linux/arch/x86/include/uapi/asm/mce.h
Borislav Petkov 20d51a426f x86/mce: Reuse one of the u16 padding fields in 'struct mce'
... to save the error severity of the MCE and whether the
reported address of the error is usable.

Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tony Luck <tony.luck@intel.com>
Link: http://lkml.kernel.org/r/1439396985-12812-2-git-send-email-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-08-13 10:12:50 +02:00

36 lines
1.0 KiB
C

#ifndef _UAPI_ASM_X86_MCE_H
#define _UAPI_ASM_X86_MCE_H
#include <linux/types.h>
#include <asm/ioctls.h>
/* Fields are zero when not available */
struct mce {
__u64 status;
__u64 misc;
__u64 addr;
__u64 mcgstatus;
__u64 ip;
__u64 tsc; /* cpu time stamp counter */
__u64 time; /* wall time_t when error was detected */
__u8 cpuvendor; /* cpu vendor as encoded in system.h */
__u8 inject_flags; /* software inject flags */
__u8 severity;
__u8 usable_addr;
__u32 cpuid; /* CPUID 1 EAX */
__u8 cs; /* code segment */
__u8 bank; /* machine check bank */
__u8 cpu; /* cpu number; obsolete; use extcpu now */
__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 */
};
#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 /* _UAPI_ASM_X86_MCE_H */