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- /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
- #ifndef _ASM_X86_MCE_H
- #define _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, shared fields to the end of the structure.
- * Do not add vendor-specific fields.
- */
- 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 */
- __u64 kflags; /* Internal kernel use */
- };
- #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 /* _ASM_X86_MCE_H */
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