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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/* Fields are zero when not available */
9struct mce {
10 __u64 status;
11 __u64 misc;
12 __u64 addr;
13 __u64 mcgstatus;
14 __u64 ip;
15 __u64 tsc; /* cpu time stamp counter */
16 __u64 time; /* wall time_t when error was detected */
17 __u8 cpuvendor; /* cpu vendor as encoded in system.h */
18 __u8 inject_flags; /* software inject flags */
19 __u8 severity;
20 __u8 pad;
21 __u32 cpuid; /* CPUID 1 EAX */
22 __u8 cs; /* code segment */
23 __u8 bank; /* machine check bank */
24 __u8 cpu; /* cpu number; obsolete; use extcpu now */
25 __u8 finished; /* entry is valid */
26 __u32 extcpu; /* linux cpu number that detected the error */
27 __u32 socketid; /* CPU socket ID */
28 __u32 apicid; /* CPU initial apic ID */
29 __u64 mcgcap; /* MCGCAP MSR: machine check capabilities of CPU */
30 __u64 synd; /* MCA_SYND MSR: only valid on SMCA systems */
31 __u64 ipid; /* MCA_IPID MSR: only valid on SMCA systems */
32 __u64 ppin; /* Protected Processor Inventory Number */
33};
34
35#define MCE_GET_RECORD_LEN _IOR('M', 1, int)
36#define MCE_GET_LOG_LEN _IOR('M', 2, int)
37#define MCE_GETCLEAR_FLAGS _IOR('M', 3, int)
38
39#endif /* _UAPI_ASM_X86_MCE_H */