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 | __u64 kflags; /* Internal kernel use */ |
39 | }; |
40 | |
41 | #define MCE_GET_RECORD_LEN _IOR('M', 1, int) |
42 | #define MCE_GET_LOG_LEN _IOR('M', 2, int) |
43 | #define MCE_GETCLEAR_FLAGS _IOR('M', 3, int) |
44 | |
45 | #endif /* _UAPI_ASM_X86_MCE_H */ |
46 | |