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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 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 */
__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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