| Message ID | 1487188282-2568-4-git-send-email-tbaicar@codeaurora.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On 15 February 2017 at 19:51, Tyler Baicar <tbaicar@codeaurora.org> wrote: > Add support for ARM Common Platform Error Record (CPER). > UEFI 2.6 specification adds support for ARM specific > processor error information to be reported as part of the > CPER records. This provides more detail on for processor error logs. > > Signed-off-by: Tyler Baicar <tbaicar@codeaurora.org> > Signed-off-by: Jonathan (Zhixiong) Zhang <zjzhang@codeaurora.org> > Signed-off-by: Naveen Kaje <nkaje@codeaurora.org> > Reviewed-by: James Morse <james.morse@arm.com> Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> > --- > drivers/firmware/efi/cper.c | 133 ++++++++++++++++++++++++++++++++++++++++++++ > include/linux/cper.h | 54 ++++++++++++++++++ > 2 files changed, 187 insertions(+) > > diff --git a/drivers/firmware/efi/cper.c b/drivers/firmware/efi/cper.c > index 8fa4e23..c2b0a12 100644 > --- a/drivers/firmware/efi/cper.c > +++ b/drivers/firmware/efi/cper.c > @@ -110,12 +110,15 @@ 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[] = { > @@ -139,6 +142,18 @@ void cper_print_bits(const char *pfx, unsigned int bits, > "corrected", > }; > > +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_generic(const char *pfx, > const struct cper_sec_proc_generic *proc) > { > @@ -184,6 +199,114 @@ static void cper_print_proc_generic(const char *pfx, > printk("%s""IP: 0x%016llx\n", pfx, proc->ip); > } > > +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("%s""section length: %d\n", pfx, proc->section_length); > + printk("%s""MIDR: 0x%016llx\n", pfx, proc->midr); > + > + len = proc->section_length - (sizeof(*proc) + > + proc->err_info_num * (sizeof(*err_info))); > + if (len < 0) { > + printk("%s""section length is too small\n", pfx); > + printk("%s""firmware-generated error record is incorrect\n", pfx); > + printk("%s""ERR_INFO_NUM is %d\n", pfx, proc->err_info_num); > + return; > + } > + > + if (proc->validation_bits & CPER_ARM_VALID_MPIDR) > + printk("%s""MPIDR: 0x%016llx\n", pfx, proc->mpidr); > + if (proc->validation_bits & CPER_ARM_VALID_AFFINITY_LEVEL) > + printk("%s""error affinity level: %d\n", pfx, > + proc->affinity_level); > + if (proc->validation_bits & CPER_ARM_VALID_RUNNING_STATE) { > + printk("%s""running state: 0x%x\n", pfx, proc->running_state); > + printk("%s""PSCI 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("%s""Error info structure %d:\n", pfx, i); > + printk("%s""version:%d\n", newpfx, err_info->version); > + printk("%s""length:%d\n", newpfx, err_info->length); > + if (err_info->validation_bits & > + CPER_ARM_INFO_VALID_MULTI_ERR) { > + if (err_info->multiple_error == 0) > + printk("%s""single error\n", newpfx); > + else if (err_info->multiple_error == 1) > + printk("%s""multiple errors\n", newpfx); > + else > + printk("%s""multiple errors count:%u\n", > + newpfx, err_info->multiple_error); > + } > + if (err_info->validation_bits & CPER_ARM_INFO_VALID_FLAGS) { > + if (err_info->flags & CPER_ARM_INFO_FLAGS_FIRST) > + printk("%s""first error captured\n", newpfx); > + if (err_info->flags & CPER_ARM_INFO_FLAGS_LAST) > + printk("%s""last error captured\n", newpfx); > + if (err_info->flags & CPER_ARM_INFO_FLAGS_PROPAGATED) > + printk("%s""propagated error captured\n", > + newpfx); > + if (err_info->flags & CPER_ARM_INFO_FLAGS_OVERFLOW) > + printk("%s""overflow occurred, error info is incomplete\n", > + newpfx); > + } > + printk("%s""error_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("%s""error_info: 0x%016llx\n", newpfx, > + err_info->error_info); > + if (err_info->validation_bits & CPER_ARM_INFO_VALID_VIRT_ADDR) > + printk("%s""virtual fault address: 0x%016llx\n", > + newpfx, err_info->virt_fault_addr); > + if (err_info->validation_bits & > + CPER_ARM_INFO_VALID_PHYSICAL_ADDR) > + printk("%s""physical 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("%s""Context info structure %d:\n", pfx, i); > + if (len < size) { > + printk("%s""section length is too small\n", newpfx); > + printk("%s""firmware-generated error record is incorrect\n", pfx); > + return; > + } > + if (ctx_info->type > max_ctx_type) { > + printk("%s""Invalid context type: %d\n", newpfx, > + ctx_info->type); > + printk("%s""Max context type: %d\n", newpfx, > + max_ctx_type); > + return; > + } > + printk("%s""register context type %d: %s\n", newpfx, > + ctx_info->type, 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("%s""Vendor specific error info has %u bytes:\n", pfx, > + len); > + print_hex_dump(newpfx, "", DUMP_PREFIX_OFFSET, 16, 4, ctx_info, > + len, 0); > + } > +} > + > static const char * const mem_err_type_strs[] = { > "unknown", > "no error", > @@ -458,6 +581,16 @@ static void cper_estatus_print_section( > cper_print_pcie(newpfx, pcie, gdata); > else > goto err_section_too_small; > + } else if ((IS_ENABLED(CONFIG_ARM64) || IS_ENABLED(CONFIG_ARM)) && > + !uuid_le_cmp(*sec_type, CPER_SEC_PROC_ARM)) { > + struct cper_sec_proc_arm *arm_err; > + > + arm_err = acpi_hest_generic_data_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; > } else > printk("%s""section type: unknown, %pUl\n", newpfx, sec_type); > > diff --git a/include/linux/cper.h b/include/linux/cper.h > index dcacb1a..85450f3 100644 > --- a/include/linux/cper.h > +++ b/include/linux/cper.h > @@ -180,6 +180,10 @@ enum { > #define CPER_SEC_PROC_IPF \ > UUID_LE(0xE429FAF1, 0x3CB7, 0x11D4, 0x0B, 0xCA, 0x07, 0x00, \ > 0x80, 0xC7, 0x3C, 0x88, 0x81) > +/* Processor Specific: ARM */ > +#define CPER_SEC_PROC_ARM \ > + UUID_LE(0xE19E3D16, 0xBC11, 0x11E4, 0x9C, 0xAA, 0xC2, 0x05, \ > + 0x1D, 0x5D, 0x46, 0xB0) > /* Platform Memory */ > #define CPER_SEC_PLATFORM_MEM \ > UUID_LE(0xA5BC1114, 0x6F64, 0x4EDE, 0xB8, 0x63, 0x3E, 0x83, \ > @@ -255,6 +259,22 @@ enum { > > #define CPER_PCIE_SLOT_SHIFT 3 > > +#define CPER_ARM_VALID_MPIDR 0x00000001 > +#define CPER_ARM_VALID_AFFINITY_LEVEL 0x00000002 > +#define CPER_ARM_VALID_RUNNING_STATE 0x00000004 > +#define CPER_ARM_VALID_VENDOR_INFO 0x00000008 > + > +#define CPER_ARM_INFO_VALID_MULTI_ERR 0x0001 > +#define CPER_ARM_INFO_VALID_FLAGS 0x0002 > +#define CPER_ARM_INFO_VALID_ERR_INFO 0x0004 > +#define CPER_ARM_INFO_VALID_VIRT_ADDR 0x0008 > +#define CPER_ARM_INFO_VALID_PHYSICAL_ADDR 0x0010 > + > +#define CPER_ARM_INFO_FLAGS_FIRST 0x0001 > +#define CPER_ARM_INFO_FLAGS_LAST 0x0002 > +#define CPER_ARM_INFO_FLAGS_PROPAGATED 0x0004 > +#define CPER_ARM_INFO_FLAGS_OVERFLOW 0x0008 > + > /* > * All tables and structs must be byte-packed to match CPER > * specification, since the tables are provided by the system BIOS > @@ -340,6 +360,40 @@ struct cper_ia_proc_ctx { > __u64 mm_reg_addr; > }; > > +/* ARM Processor Error Section */ > +struct cper_sec_proc_arm { > + __u32 validation_bits; > + __u16 err_info_num; /* Number of Processor Error Info */ > + __u16 context_info_num; /* Number of Processor Context Info Records*/ > + __u32 section_length; > + __u8 affinity_level; > + __u8 reserved[3]; /* must be zero */ > + __u64 mpidr; > + __u64 midr; > + __u32 running_state; /* Bit 0 set - Processor running. PSCI = 0 */ > + __u32 psci_state; > +}; > + > +/* ARM Processor Error Information Structure */ > +struct cper_arm_err_info { > + __u8 version; > + __u8 length; > + __u16 validation_bits; > + __u8 type; > + __u16 multiple_error; > + __u8 flags; > + __u64 error_info; > + __u64 virt_fault_addr; > + __u64 physical_fault_addr; > +}; > + > +/* ARM Processor Context Information Structure */ > +struct cper_arm_ctx_info { > + __u16 version; > + __u16 type; > + __u32 size; > +}; > + > /* Old Memory Error Section UEFI 2.1, 2.2 */ > struct cper_sec_mem_err_old { > __u64 validation_bits; > -- > Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc. > Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, > a Linux Foundation Collaborative Project. > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
diff --git a/drivers/firmware/efi/cper.c b/drivers/firmware/efi/cper.c index 8fa4e23..c2b0a12 100644 --- a/drivers/firmware/efi/cper.c +++ b/drivers/firmware/efi/cper.c @@ -110,12 +110,15 @@ 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[] = { @@ -139,6 +142,18 @@ void cper_print_bits(const char *pfx, unsigned int bits, "corrected", }; +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_generic(const char *pfx, const struct cper_sec_proc_generic *proc) { @@ -184,6 +199,114 @@ static void cper_print_proc_generic(const char *pfx, printk("%s""IP: 0x%016llx\n", pfx, proc->ip); } +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("%s""section length: %d\n", pfx, proc->section_length); + printk("%s""MIDR: 0x%016llx\n", pfx, proc->midr); + + len = proc->section_length - (sizeof(*proc) + + proc->err_info_num * (sizeof(*err_info))); + if (len < 0) { + printk("%s""section length is too small\n", pfx); + printk("%s""firmware-generated error record is incorrect\n", pfx); + printk("%s""ERR_INFO_NUM is %d\n", pfx, proc->err_info_num); + return; + } + + if (proc->validation_bits & CPER_ARM_VALID_MPIDR) + printk("%s""MPIDR: 0x%016llx\n", pfx, proc->mpidr); + if (proc->validation_bits & CPER_ARM_VALID_AFFINITY_LEVEL) + printk("%s""error affinity level: %d\n", pfx, + proc->affinity_level); + if (proc->validation_bits & CPER_ARM_VALID_RUNNING_STATE) { + printk("%s""running state: 0x%x\n", pfx, proc->running_state); + printk("%s""PSCI 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("%s""Error info structure %d:\n", pfx, i); + printk("%s""version:%d\n", newpfx, err_info->version); + printk("%s""length:%d\n", newpfx, err_info->length); + if (err_info->validation_bits & + CPER_ARM_INFO_VALID_MULTI_ERR) { + if (err_info->multiple_error == 0) + printk("%s""single error\n", newpfx); + else if (err_info->multiple_error == 1) + printk("%s""multiple errors\n", newpfx); + else + printk("%s""multiple errors count:%u\n", + newpfx, err_info->multiple_error); + } + if (err_info->validation_bits & CPER_ARM_INFO_VALID_FLAGS) { + if (err_info->flags & CPER_ARM_INFO_FLAGS_FIRST) + printk("%s""first error captured\n", newpfx); + if (err_info->flags & CPER_ARM_INFO_FLAGS_LAST) + printk("%s""last error captured\n", newpfx); + if (err_info->flags & CPER_ARM_INFO_FLAGS_PROPAGATED) + printk("%s""propagated error captured\n", + newpfx); + if (err_info->flags & CPER_ARM_INFO_FLAGS_OVERFLOW) + printk("%s""overflow occurred, error info is incomplete\n", + newpfx); + } + printk("%s""error_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("%s""error_info: 0x%016llx\n", newpfx, + err_info->error_info); + if (err_info->validation_bits & CPER_ARM_INFO_VALID_VIRT_ADDR) + printk("%s""virtual fault address: 0x%016llx\n", + newpfx, err_info->virt_fault_addr); + if (err_info->validation_bits & + CPER_ARM_INFO_VALID_PHYSICAL_ADDR) + printk("%s""physical 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("%s""Context info structure %d:\n", pfx, i); + if (len < size) { + printk("%s""section length is too small\n", newpfx); + printk("%s""firmware-generated error record is incorrect\n", pfx); + return; + } + if (ctx_info->type > max_ctx_type) { + printk("%s""Invalid context type: %d\n", newpfx, + ctx_info->type); + printk("%s""Max context type: %d\n", newpfx, + max_ctx_type); + return; + } + printk("%s""register context type %d: %s\n", newpfx, + ctx_info->type, 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("%s""Vendor specific error info has %u bytes:\n", pfx, + len); + print_hex_dump(newpfx, "", DUMP_PREFIX_OFFSET, 16, 4, ctx_info, + len, 0); + } +} + static const char * const mem_err_type_strs[] = { "unknown", "no error", @@ -458,6 +581,16 @@ static void cper_estatus_print_section( cper_print_pcie(newpfx, pcie, gdata); else goto err_section_too_small; + } else if ((IS_ENABLED(CONFIG_ARM64) || IS_ENABLED(CONFIG_ARM)) && + !uuid_le_cmp(*sec_type, CPER_SEC_PROC_ARM)) { + struct cper_sec_proc_arm *arm_err; + + arm_err = acpi_hest_generic_data_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; } else printk("%s""section type: unknown, %pUl\n", newpfx, sec_type); diff --git a/include/linux/cper.h b/include/linux/cper.h index dcacb1a..85450f3 100644 --- a/include/linux/cper.h +++ b/include/linux/cper.h @@ -180,6 +180,10 @@ enum { #define CPER_SEC_PROC_IPF \ UUID_LE(0xE429FAF1, 0x3CB7, 0x11D4, 0x0B, 0xCA, 0x07, 0x00, \ 0x80, 0xC7, 0x3C, 0x88, 0x81) +/* Processor Specific: ARM */ +#define CPER_SEC_PROC_ARM \ + UUID_LE(0xE19E3D16, 0xBC11, 0x11E4, 0x9C, 0xAA, 0xC2, 0x05, \ + 0x1D, 0x5D, 0x46, 0xB0) /* Platform Memory */ #define CPER_SEC_PLATFORM_MEM \ UUID_LE(0xA5BC1114, 0x6F64, 0x4EDE, 0xB8, 0x63, 0x3E, 0x83, \ @@ -255,6 +259,22 @@ enum { #define CPER_PCIE_SLOT_SHIFT 3 +#define CPER_ARM_VALID_MPIDR 0x00000001 +#define CPER_ARM_VALID_AFFINITY_LEVEL 0x00000002 +#define CPER_ARM_VALID_RUNNING_STATE 0x00000004 +#define CPER_ARM_VALID_VENDOR_INFO 0x00000008 + +#define CPER_ARM_INFO_VALID_MULTI_ERR 0x0001 +#define CPER_ARM_INFO_VALID_FLAGS 0x0002 +#define CPER_ARM_INFO_VALID_ERR_INFO 0x0004 +#define CPER_ARM_INFO_VALID_VIRT_ADDR 0x0008 +#define CPER_ARM_INFO_VALID_PHYSICAL_ADDR 0x0010 + +#define CPER_ARM_INFO_FLAGS_FIRST 0x0001 +#define CPER_ARM_INFO_FLAGS_LAST 0x0002 +#define CPER_ARM_INFO_FLAGS_PROPAGATED 0x0004 +#define CPER_ARM_INFO_FLAGS_OVERFLOW 0x0008 + /* * All tables and structs must be byte-packed to match CPER * specification, since the tables are provided by the system BIOS @@ -340,6 +360,40 @@ struct cper_ia_proc_ctx { __u64 mm_reg_addr; }; +/* ARM Processor Error Section */ +struct cper_sec_proc_arm { + __u32 validation_bits; + __u16 err_info_num; /* Number of Processor Error Info */ + __u16 context_info_num; /* Number of Processor Context Info Records*/ + __u32 section_length; + __u8 affinity_level; + __u8 reserved[3]; /* must be zero */ + __u64 mpidr; + __u64 midr; + __u32 running_state; /* Bit 0 set - Processor running. PSCI = 0 */ + __u32 psci_state; +}; + +/* ARM Processor Error Information Structure */ +struct cper_arm_err_info { + __u8 version; + __u8 length; + __u16 validation_bits; + __u8 type; + __u16 multiple_error; + __u8 flags; + __u64 error_info; + __u64 virt_fault_addr; + __u64 physical_fault_addr; +}; + +/* ARM Processor Context Information Structure */ +struct cper_arm_ctx_info { + __u16 version; + __u16 type; + __u32 size; +}; + /* Old Memory Error Section UEFI 2.1, 2.2 */ struct cper_sec_mem_err_old { __u64 validation_bits;