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Linux/arch/x86/include/uapi/asm/mce.h

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  1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
  2 #ifndef _UAPI_ASM_X86_MCE_H
  3 #define _UAPI_ASM_X86_MCE_H
  4 
  5 #include <linux/types.h>
  6 #include <linux/ioctl.h>
  7 
  8 /*
  9  * Fields are zero when not available. Also, this struct is shared with
 10  * userspace mcelog and thus must keep existing fields at current offsets.
 11  * Only add new fields to the end of the structure
 12  */
 13 struct mce {
 14         __u64 status;           /* Bank's MCi_STATUS MSR */
 15         __u64 misc;             /* Bank's MCi_MISC MSR */
 16         __u64 addr;             /* Bank's MCi_ADDR MSR */
 17         __u64 mcgstatus;        /* Machine Check Global Status MSR */
 18         __u64 ip;               /* Instruction Pointer when the error happened */
 19         __u64 tsc;              /* CPU time stamp counter */
 20         __u64 time;             /* Wall time_t when error was detected */
 21         __u8  cpuvendor;        /* Kernel's X86_VENDOR enum */
 22         __u8  inject_flags;     /* Software inject flags */
 23         __u8  severity;         /* Error severity */
 24         __u8  pad;
 25         __u32 cpuid;            /* CPUID 1 EAX */
 26         __u8  cs;               /* Code segment */
 27         __u8  bank;             /* Machine check bank reporting the error */
 28         __u8  cpu;              /* CPU number; obsoleted by extcpu */
 29         __u8  finished;         /* Entry is valid */
 30         __u32 extcpu;           /* Linux CPU number that detected the error */
 31         __u32 socketid;         /* CPU socket ID */
 32         __u32 apicid;           /* CPU initial APIC ID */
 33         __u64 mcgcap;           /* MCGCAP MSR: machine check capabilities of CPU */
 34         __u64 synd;             /* MCA_SYND MSR: only valid on SMCA systems */
 35         __u64 ipid;             /* MCA_IPID MSR: only valid on SMCA systems */
 36         __u64 ppin;             /* Protected Processor Inventory Number */
 37         __u32 microcode;        /* Microcode revision */
 38 };
 39 
 40 #define MCE_GET_RECORD_LEN   _IOR('M', 1, int)
 41 #define MCE_GET_LOG_LEN      _IOR('M', 2, int)
 42 #define MCE_GETCLEAR_FLAGS   _IOR('M', 3, int)
 43 
 44 #endif /* _UAPI_ASM_X86_MCE_H */
 45 

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