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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 */ }; #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 */