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Diffstat (limited to '')
| -rw-r--r-- | arch/x86/include/uapi/asm/mce.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/arch/x86/include/uapi/asm/mce.h b/arch/x86/include/uapi/asm/mce.h new file mode 100644 index 000000000..955c2a2e1 --- /dev/null +++ b/arch/x86/include/uapi/asm/mce.h @@ -0,0 +1,44 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _UAPI_ASM_X86_MCE_H +#define _UAPI_ASM_X86_MCE_H + +#include <linux/types.h> +#include <linux/ioctl.h> + +/* + * Fields are zero when not available. Also, this struct is shared with + * userspace mcelog and thus must keep existing fields at current offsets. + * Only add new fields to the end of the structure + */ +struct mce { + __u64 status; /* Bank's MCi_STATUS MSR */ + __u64 misc; /* Bank's MCi_MISC MSR */ + __u64 addr; /* Bank's MCi_ADDR MSR */ + __u64 mcgstatus; /* Machine Check Global Status MSR */ + __u64 ip; /* Instruction Pointer when the error happened */ + __u64 tsc; /* CPU time stamp counter */ + __u64 time; /* Wall time_t when error was detected */ + __u8 cpuvendor; /* Kernel's X86_VENDOR enum */ + __u8 inject_flags; /* Software inject flags */ + __u8 severity; /* Error severity */ + __u8 pad; + __u32 cpuid; /* CPUID 1 EAX */ + __u8 cs; /* Code segment */ + __u8 bank; /* Machine check bank reporting the error */ + __u8 cpu; /* CPU number; obsoleted by extcpu */ + __u8 finished; /* Entry is valid */ + __u32 extcpu; /* Linux CPU number that detected the error */ + __u32 socketid; /* CPU socket ID */ + __u32 apicid; /* CPU initial APIC ID */ + __u64 mcgcap; /* MCGCAP MSR: machine check capabilities of CPU */ + __u64 synd; /* MCA_SYND MSR: only valid on SMCA systems */ + __u64 ipid; /* MCA_IPID MSR: only valid on SMCA systems */ + __u64 ppin; /* Protected Processor Inventory Number */ + __u32 microcode; /* Microcode revision */ +}; + +#define MCE_GET_RECORD_LEN _IOR('M', 1, int) +#define MCE_GET_LOG_LEN _IOR('M', 2, int) +#define MCE_GETCLEAR_FLAGS _IOR('M', 3, int) + +#endif /* _UAPI_ASM_X86_MCE_H */ |