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