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#ifndef _ASM_MCE_H #define _ASM_MCE_H 1 #include <asm/ioctls.h> #include <asm/types.h> /* * Machine Check support for x86 */ #define MCG_CTL_P (1UL<<8) /* MCG_CAP register available */ #define MCG_STATUS_RIPV (1UL<<0) /* restart ip valid */ #define MCG_STATUS_EIPV (1UL<<1) /* eip points to correct instruction */ #define MCG_STATUS_MCIP (1UL<<2) /* machine check in progress */ #define MCI_STATUS_VAL (1UL<<63) /* valid error */ #define MCI_STATUS_OVER (1UL<<62) /* previous errors lost */ #define MCI_STATUS_UC (1UL<<61) /* uncorrected error */ #define MCI_STATUS_EN (1UL<<60) /* error enabled */ #define MCI_STATUS_MISCV (1UL<<59) /* misc error reg. valid */ #define MCI_STATUS_ADDRV (1UL<<58) /* addr reg. valid */ #define MCI_STATUS_PCC (1UL<<57) /* processor context corrupt */ /* Fields are zero when not available */ struct mce { __u64 status; __u64 misc; __u64 addr; __u64 mcgstatus; __u64 rip; __u64 tsc; /* cpu time stamp counter */ __u64 res1; /* for future extension */ __u64 res2; /* dito. */ __u8 cs; /* code segment */ __u8 bank; /* machine check bank */ __u8 cpu; /* cpu that raised the error */ __u8 finished; /* entry is valid */ __u32 pad; }; /* * This structure contains all data related to the MCE log. * Also carries a signature to make it easier to find from external debugging tools. * Each entry is only valid when its finished flag is set. */ #define MCE_LOG_LEN 32 struct mce_log { char signature[12]; /* "MACHINECHECK" */ unsigned len; /* = MCE_LOG_LEN */ unsigned next; unsigned flags; unsigned pad0; struct mce entry[MCE_LOG_LEN]; }; #define MCE_OVERFLOW 0 /* bit 0 in flags means overflow */ #define MCE_LOG_SIGNATURE "MACHINECHECK" #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) /* Software defined banks */ #define MCE_EXTENDED_BANK 128 #define MCE_THERMAL_BANK MCE_EXTENDED_BANK + 0 #define MCE_THRESHOLD_BASE MCE_EXTENDED_BANK + 1 /* MCE_AMD */ #define MCE_THRESHOLD_DRAM_ECC MCE_THRESHOLD_BASE + 4 void mce_log(struct mce *m); #ifdef CONFIG_X86_MCE_INTEL void mce_intel_feature_init(struct cpuinfo_x86 *c); #else static inline void mce_intel_feature_init(struct cpuinfo_x86 *c) { } #endif #ifdef CONFIG_X86_MCE_AMD void mce_amd_feature_init(struct cpuinfo_x86 *c); #else static inline void mce_amd_feature_init(struct cpuinfo_x86 *c) { } #endif #endif