From: Yazen Ghannam <yazen.ghan...@amd.com> 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.ghan...@amd.com> --- Link: https://lkml.kernel.org/r/20180226193904.20532-4-yazen.ghan...@amd.com v2->v3: * Fix table number in commit message. * Don't print raw validation bits. v1->v2: * Add parantheses around "bits" expression in macro. * Fix indentation on multi-line statements. drivers/firmware/efi/cper-x86.c | 50 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) diff --git a/drivers/firmware/efi/cper-x86.c b/drivers/firmware/efi/cper-x86.c index 863f0cd2a0ff..a9ab3bbf7986 100644 --- a/drivers/firmware/efi/cper-x86.c +++ b/drivers/firmware/efi/cper-x86.c @@ -3,15 +3,28 @@ #include <linux/cper.h> +#define INDENT_SP " " + /* * We don't need a "CPER_IA" prefix since these are all locally defined. * This will save us a lot of line space. */ #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 +33,41 @@ 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%s", pfx, INDENT_SP); + + 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++; + } } -- 2.14.1
