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| author | Yazen Ghannam <yazen.ghannam@amd.com> | 2018-05-04 07:59:51 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2018-05-14 08:57:47 +0200 |
| commit | 7c9449b8c8a59511b7d749afb193c96353451c82 (patch) | |
| tree | 2c8b346b125f12518b71939413a3c07eed14ae43 /drivers | |
| parent | f9e1bdb9f35f4f5cfa7c9025ac68c02909b6d3b1 (diff) | |
| download | linux-stable-7c9449b8c8a59511b7d749afb193c96353451c82.tar.gz linux-stable-7c9449b8c8a59511b7d749afb193c96353451c82.tar.bz2 linux-stable-7c9449b8c8a59511b7d749afb193c96353451c82.zip | |
efi: Decode IA32/X64 Processor Error Info Structure
Print the fields in the IA32/X64 Processor Error Info Structure.
Based on UEFI 2.7 Table 253. IA32/X64 Processor Error Information
Structure.
Signed-off-by: Yazen Ghannam <yazen.ghannam@amd.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Matt Fleming <matt@codeblueprint.co.uk>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-efi@vger.kernel.org
Link: http://lkml.kernel.org/r/20180504060003.19618-6-ard.biesheuvel@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/firmware/efi/cper-x86.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/drivers/firmware/efi/cper-x86.c b/drivers/firmware/efi/cper-x86.c index 863f0cd2a0ff..e0633a103fcf 100644 --- a/drivers/firmware/efi/cper-x86.c +++ b/drivers/firmware/efi/cper-x86.c @@ -9,9 +9,20 @@ */ #define VALID_LAPIC_ID BIT_ULL(0) #define VALID_CPUID_INFO BIT_ULL(1) +#define VALID_PROC_ERR_INFO_NUM(bits) (((bits) & GENMASK_ULL(7, 2)) >> 2) + +#define INFO_VALID_CHECK_INFO BIT_ULL(0) +#define INFO_VALID_TARGET_ID BIT_ULL(1) +#define INFO_VALID_REQUESTOR_ID BIT_ULL(2) +#define INFO_VALID_RESPONDER_ID BIT_ULL(3) +#define INFO_VALID_IP BIT_ULL(4) void cper_print_proc_ia(const char *pfx, const struct cper_sec_proc_ia *proc) { + int i; + struct cper_ia_err_info *err_info; + char newpfx[64]; + if (proc->validation_bits & VALID_LAPIC_ID) printk("%sLocal APIC_ID: 0x%llx\n", pfx, proc->lapic_id); @@ -20,4 +31,41 @@ void cper_print_proc_ia(const char *pfx, const struct cper_sec_proc_ia *proc) print_hex_dump(pfx, "", DUMP_PREFIX_OFFSET, 16, 4, proc->cpuid, sizeof(proc->cpuid), 0); } + + snprintf(newpfx, sizeof(newpfx), "%s ", pfx); + + err_info = (struct cper_ia_err_info *)(proc + 1); + for (i = 0; i < VALID_PROC_ERR_INFO_NUM(proc->validation_bits); i++) { + printk("%sError Information Structure %d:\n", pfx, i); + + printk("%sError Structure Type: %pUl\n", newpfx, + &err_info->err_type); + + if (err_info->validation_bits & INFO_VALID_CHECK_INFO) { + printk("%sCheck Information: 0x%016llx\n", newpfx, + err_info->check_info); + } + + if (err_info->validation_bits & INFO_VALID_TARGET_ID) { + printk("%sTarget Identifier: 0x%016llx\n", + newpfx, err_info->target_id); + } + + if (err_info->validation_bits & INFO_VALID_REQUESTOR_ID) { + printk("%sRequestor Identifier: 0x%016llx\n", + newpfx, err_info->requestor_id); + } + + if (err_info->validation_bits & INFO_VALID_RESPONDER_ID) { + printk("%sResponder Identifier: 0x%016llx\n", + newpfx, err_info->responder_id); + } + + if (err_info->validation_bits & INFO_VALID_IP) { + printk("%sInstruction Pointer: 0x%016llx\n", + newpfx, err_info->ip); + } + + err_info++; + } } |