| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 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 */ |