xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Browse Source 
Pull arm64 updates from Will Deacon:

 - RAS reporting via GHES/APEI (ACPI)

 - Indirect ftrace trampolines for modules

 - Improvements to kernel fault reporting

 - Page poisoning

 - Sigframe cleanups and preparation for SVE context

 - Core dump fixes

 - Sparse fixes (mainly relating to endianness)

 - xgene SoC PMU v3 driver

 - Misc cleanups and non-critical fixes

* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (75 commits)
  arm64: fix endianness annotation for 'struct jit_ctx' and friends
  arm64: cpuinfo: constify attribute_group structures.
  arm64: ptrace: Fix incorrect get_user() use in compat_vfp_set()
  arm64: ptrace: Remove redundant overrun check from compat_vfp_set()
  arm64: ptrace: Avoid setting compat FP[SC]R to garbage if get_user fails
  arm64: fix endianness annotation for __apply_alternatives()/get_alt_insn()
  arm64: fix endianness annotation in get_kaslr_seed()
  arm64: add missing conversion to __wsum in ip_fast_csum()
  arm64: fix endianness annotation in acpi_parking_protocol.c
  arm64: use readq() instead of readl() to read 64bit entry_point
  arm64: fix endianness annotation for reloc_insn_movw() & reloc_insn_imm()
  arm64: fix endianness annotation for aarch64_insn_write()
  arm64: fix endianness annotation in aarch64_insn_read()
  arm64: fix endianness annotation in call_undef_hook()
  arm64: fix endianness annotation for debug-monitors.c
  ras: mark stub functions as 'inline'
  arm64: pass endianness info to sparse
  arm64: ftrace: fix !CONFIG_ARM64_MODULE_PLTS kernels
  arm64: signal: Allow expansion of the signal frame
  acpi: apei: check for pending errors when probing GHES entries
  ...
This commit is contained in:
Linus Torvalds
2017-07-05 17:09:27 -07:00
parent e5f76a2e0e 425e1ed73e
commit 55a7b2125c
62 changed files with 2192 additions and 343 deletions
Download Patch File Download Diff File Expand all files Collapse all files

204
drivers/firmware/efi/cper.c
View File

@@ -32,6 +32,10 @@
#include <linux/acpi.h>
#include <linux/pci.h>
#include <linux/aer.h>
#include <linux/printk.h>
#include <linux/bcd.h>
#include <acpi/ghes.h>
#include <ras/ras_event.h>
#define INDENT_SP " "
@@ -107,12 +111,15 @@ void cper_print_bits(const char *pfx, unsigned int bits,
static const char * const proc_type_strs[] = {
"IA32/X64",
"IA64",
"ARM",
};
static const char * const proc_isa_strs[] = {
"IA32",
"IA64",
"X64",
"ARM A32/T32",
"ARM A64",
};
static const char * const proc_error_type_strs[] = {
@@ -181,6 +188,122 @@ static void cper_print_proc_generic(const char *pfx,
printk("%s""IP: 0x%016llx\n", pfx, proc->ip);
}
#if defined(CONFIG_ARM64) || defined(CONFIG_ARM)
static const char * const arm_reg_ctx_strs[] = {
"AArch32 general purpose registers",
"AArch32 EL1 context registers",
"AArch32 EL2 context registers",
"AArch32 secure context registers",
"AArch64 general purpose registers",
"AArch64 EL1 context registers",
"AArch64 EL2 context registers",
"AArch64 EL3 context registers",
"Misc. system register structure",
};
static void cper_print_proc_arm(const char *pfx,
const struct cper_sec_proc_arm *proc)
{
int i, len, max_ctx_type;
struct cper_arm_err_info *err_info;
struct cper_arm_ctx_info *ctx_info;
char newpfx[64];
printk("%sMIDR: 0x%016llx\n", pfx, proc->midr);
len = proc->section_length - (sizeof(*proc) +
proc->err_info_num * (sizeof(*err_info)));
if (len < 0) {
printk("%ssection length: %d\n", pfx, proc->section_length);
printk("%ssection length is too small\n", pfx);
printk("%sfirmware-generated error record is incorrect\n", pfx);
printk("%sERR_INFO_NUM is %d\n", pfx, proc->err_info_num);
return;
}
if (proc->validation_bits & CPER_ARM_VALID_MPIDR)
printk("%sMultiprocessor Affinity Register (MPIDR): 0x%016llx\n",
pfx, proc->mpidr);
if (proc->validation_bits & CPER_ARM_VALID_AFFINITY_LEVEL)
printk("%serror affinity level: %d\n", pfx,
proc->affinity_level);
if (proc->validation_bits & CPER_ARM_VALID_RUNNING_STATE) {
printk("%srunning state: 0x%x\n", pfx, proc->running_state);
printk("%sPower State Coordination Interface state: %d\n",
pfx, proc->psci_state);
}
snprintf(newpfx, sizeof(newpfx), "%s%s", pfx, INDENT_SP);
err_info = (struct cper_arm_err_info *)(proc + 1);
for (i = 0; i < proc->err_info_num; i++) {
printk("%sError info structure %d:\n", pfx, i);
printk("%snum errors: %d\n", pfx, err_info->multiple_error + 1);
if (err_info->validation_bits & CPER_ARM_INFO_VALID_FLAGS) {
if (err_info->flags & CPER_ARM_INFO_FLAGS_FIRST)
printk("%sfirst error captured\n", newpfx);
if (err_info->flags & CPER_ARM_INFO_FLAGS_LAST)
printk("%slast error captured\n", newpfx);
if (err_info->flags & CPER_ARM_INFO_FLAGS_PROPAGATED)
printk("%spropagated error captured\n",
newpfx);
if (err_info->flags & CPER_ARM_INFO_FLAGS_OVERFLOW)
printk("%soverflow occurred, error info is incomplete\n",
newpfx);
}
printk("%serror_type: %d, %s\n", newpfx, err_info->type,
err_info->type < ARRAY_SIZE(proc_error_type_strs) ?
proc_error_type_strs[err_info->type] : "unknown");
if (err_info->validation_bits & CPER_ARM_INFO_VALID_ERR_INFO)
printk("%serror_info: 0x%016llx\n", newpfx,
err_info->error_info);
if (err_info->validation_bits & CPER_ARM_INFO_VALID_VIRT_ADDR)
printk("%svirtual fault address: 0x%016llx\n",
newpfx, err_info->virt_fault_addr);
if (err_info->validation_bits & CPER_ARM_INFO_VALID_PHYSICAL_ADDR)
printk("%sphysical fault address: 0x%016llx\n",
newpfx, err_info->physical_fault_addr);
err_info += 1;
}
ctx_info = (struct cper_arm_ctx_info *)err_info;
max_ctx_type = ARRAY_SIZE(arm_reg_ctx_strs) - 1;
for (i = 0; i < proc->context_info_num; i++) {
int size = sizeof(*ctx_info) + ctx_info->size;
printk("%sContext info structure %d:\n", pfx, i);
if (len < size) {
printk("%ssection length is too small\n", newpfx);
printk("%sfirmware-generated error record is incorrect\n", pfx);
return;
}
if (ctx_info->type > max_ctx_type) {
printk("%sInvalid context type: %d (max: %d)\n",
newpfx, ctx_info->type, max_ctx_type);
return;
}
printk("%sregister context type: %s\n", newpfx,
arm_reg_ctx_strs[ctx_info->type]);
print_hex_dump(newpfx, "", DUMP_PREFIX_OFFSET, 16, 4,
(ctx_info + 1), ctx_info->size, 0);
len -= size;
ctx_info = (struct cper_arm_ctx_info *)((long)ctx_info + size);
}
if (len > 0) {
printk("%sVendor specific error info has %u bytes:\n", pfx,
len);
print_hex_dump(newpfx, "", DUMP_PREFIX_OFFSET, 16, 4, ctx_info,
len, true);
}
}
#endif
static const char * const mem_err_type_strs[] = {
"unknown",
"no error",
@@ -386,13 +509,38 @@ static void cper_print_pcie(const char *pfx, const struct cper_sec_pcie *pcie,
pfx, pcie->bridge.secondary_status, pcie->bridge.control);
}
static void cper_estatus_print_section(
const char *pfx, const struct acpi_hest_generic_data *gdata, int sec_no)
static void cper_print_tstamp(const char *pfx,
struct acpi_hest_generic_data_v300 *gdata)
{
__u8 hour, min, sec, day, mon, year, century, *timestamp;
if (gdata->validation_bits & ACPI_HEST_GEN_VALID_TIMESTAMP) {
timestamp = (__u8 *)&(gdata->time_stamp);
sec = bcd2bin(timestamp[0]);
min = bcd2bin(timestamp[1]);
hour = bcd2bin(timestamp[2]);
day = bcd2bin(timestamp[4]);
mon = bcd2bin(timestamp[5]);
year = bcd2bin(timestamp[6]);
century = bcd2bin(timestamp[7]);
printk("%s%ststamp: %02d%02d-%02d-%02d %02d:%02d:%02d\n", pfx,
(timestamp[3] & 0x1 ? "precise " : "imprecise "),
century, year, mon, day, hour, min, sec);
}
}
static void
cper_estatus_print_section(const char *pfx, struct acpi_hest_generic_data *gdata,
int sec_no)
{
uuid_le *sec_type = (uuid_le *)gdata->section_type;
__u16 severity;
char newpfx[64];
if (acpi_hest_get_version(gdata) >= 3)
cper_print_tstamp(pfx, (struct acpi_hest_generic_data_v300 *)gdata);
severity = gdata->error_severity;
printk("%s""Error %d, type: %s\n", pfx, sec_no,
cper_severity_str(severity));
@@ -403,14 +551,16 @@ static void cper_estatus_print_section(
snprintf(newpfx, sizeof(newpfx), "%s%s", pfx, INDENT_SP);
if (!uuid_le_cmp(*sec_type, CPER_SEC_PROC_GENERIC)) {
struct cper_sec_proc_generic *proc_err = (void *)(gdata + 1);
struct cper_sec_proc_generic *proc_err = acpi_hest_get_payload(gdata);
printk("%s""section_type: general processor error\n", newpfx);
if (gdata->error_data_length >= sizeof(*proc_err))
cper_print_proc_generic(newpfx, proc_err);
else
goto err_section_too_small;
} else if (!uuid_le_cmp(*sec_type, CPER_SEC_PLATFORM_MEM)) {
struct cper_sec_mem_err *mem_err = (void *)(gdata + 1);
struct cper_sec_mem_err *mem_err = acpi_hest_get_payload(gdata);
printk("%s""section_type: memory error\n", newpfx);
if (gdata->error_data_length >=
sizeof(struct cper_sec_mem_err_old))
@@ -419,14 +569,32 @@ static void cper_estatus_print_section(
else
goto err_section_too_small;
} else if (!uuid_le_cmp(*sec_type, CPER_SEC_PCIE)) {
struct cper_sec_pcie *pcie = (void *)(gdata + 1);
struct cper_sec_pcie *pcie = acpi_hest_get_payload(gdata);
printk("%s""section_type: PCIe error\n", newpfx);
if (gdata->error_data_length >= sizeof(*pcie))
cper_print_pcie(newpfx, pcie, gdata);
else
goto err_section_too_small;
} else
printk("%s""section type: unknown, %pUl\n", newpfx, sec_type);
#if defined(CONFIG_ARM64) || defined(CONFIG_ARM)
} else if (!uuid_le_cmp(*sec_type, CPER_SEC_PROC_ARM)) {
struct cper_sec_proc_arm *arm_err = acpi_hest_get_payload(gdata);
printk("%ssection_type: ARM processor error\n", newpfx);
if (gdata->error_data_length >= sizeof(*arm_err))
cper_print_proc_arm(newpfx, arm_err);
else
goto err_section_too_small;
#endif
} else {
const void *err = acpi_hest_get_payload(gdata);
printk("%ssection type: unknown, %pUl\n", newpfx, sec_type);
printk("%ssection length: %#x\n", newpfx,
gdata->error_data_length);
print_hex_dump(newpfx, "", DUMP_PREFIX_OFFSET, 16, 4, err,
gdata->error_data_length, true);
}
return;
@@ -438,7 +606,7 @@ void cper_estatus_print(const char *pfx,
const struct acpi_hest_generic_status *estatus)
{
struct acpi_hest_generic_data *gdata;
unsigned int data_len, gedata_len;
unsigned int data_len;
int sec_no = 0;
char newpfx[64];
__u16 severity;
@@ -452,11 +620,11 @@ void cper_estatus_print(const char *pfx,
data_len = estatus->data_length;
gdata = (struct acpi_hest_generic_data *)(estatus + 1);
snprintf(newpfx, sizeof(newpfx), "%s%s", pfx, INDENT_SP);
while (data_len >= sizeof(*gdata)) {
gedata_len = gdata->error_data_length;
while (data_len >= acpi_hest_get_size(gdata)) {
cper_estatus_print_section(newpfx, gdata, sec_no);
data_len -= gedata_len + sizeof(*gdata);
gdata = (void *)(gdata + 1) + gedata_len;
data_len -= acpi_hest_get_record_size(gdata);
gdata = acpi_hest_get_next(gdata);
sec_no++;
}
}
@@ -486,12 +654,14 @@ int cper_estatus_check(const struct acpi_hest_generic_status *estatus)
return rc;
data_len = estatus->data_length;
gdata = (struct acpi_hest_generic_data *)(estatus + 1);
while (data_len >= sizeof(*gdata)) {
gedata_len = gdata->error_data_length;
if (gedata_len > data_len - sizeof(*gdata))
while (data_len >= acpi_hest_get_size(gdata)) {
gedata_len = acpi_hest_get_error_length(gdata);
if (gedata_len > data_len - acpi_hest_get_size(gdata))
return -EINVAL;
data_len -= gedata_len + sizeof(*gdata);
gdata = (void *)(gdata + 1) + gedata_len;
data_len -= acpi_hest_get_record_size(gdata);
gdata = acpi_hest_get_next(gdata);
}
if (data_len)
return -EINVAL;