home *** CD-ROM | disk | FTP | other *** search
- #ifndef _ASM_X86_MCE_H
- #define _ASM_X86_MCE_H
-
- #include <linux/types.h>
- #include <asm/ioctls.h>
-
- /*
- * Machine Check support for x86
- */
-
- #define MCG_BANKCNT_MASK 0xff /* Number of Banks */
- #define MCG_CTL_P (1ULL<<8) /* MCG_CAP register available */
- #define MCG_EXT_P (1ULL<<9) /* Extended registers available */
- #define MCG_CMCI_P (1ULL<<10) /* CMCI supported */
- #define MCG_EXT_CNT_MASK 0xff0000 /* Number of Extended registers */
- #define MCG_EXT_CNT_SHIFT 16
- #define MCG_EXT_CNT(c) (((c) & MCG_EXT_CNT_MASK) >> MCG_EXT_CNT_SHIFT)
- #define MCG_SER_P (1ULL<<24) /* MCA recovery/new status bits */
-
- #define MCG_STATUS_RIPV (1ULL<<0) /* restart ip valid */
- #define MCG_STATUS_EIPV (1ULL<<1) /* ip points to correct instruction */
- #define MCG_STATUS_MCIP (1ULL<<2) /* machine check in progress */
-
- #define MCI_STATUS_VAL (1ULL<<63) /* valid error */
- #define MCI_STATUS_OVER (1ULL<<62) /* previous errors lost */
- #define MCI_STATUS_UC (1ULL<<61) /* uncorrected error */
- #define MCI_STATUS_EN (1ULL<<60) /* error enabled */
- #define MCI_STATUS_MISCV (1ULL<<59) /* misc error reg. valid */
- #define MCI_STATUS_ADDRV (1ULL<<58) /* addr reg. valid */
- #define MCI_STATUS_PCC (1ULL<<57) /* processor context corrupt */
- #define MCI_STATUS_S (1ULL<<56) /* Signaled machine check */
- #define MCI_STATUS_AR (1ULL<<55) /* Action required */
-
- /* MISC register defines */
- #define MCM_ADDR_SEGOFF 0 /* segment offset */
- #define MCM_ADDR_LINEAR 1 /* linear address */
- #define MCM_ADDR_PHYS 2 /* physical address */
- #define MCM_ADDR_MEM 3 /* memory address */
- #define MCM_ADDR_GENERIC 7 /* generic */
-
- /* 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 pad1;
- __u16 pad2;
- __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 */
- };
-
- /*
- * 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 recordlen; /* length of struct mce */
- 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 K8_MCE_THRESHOLD_BASE (MCE_EXTENDED_BANK + 1) /* MCE_AMD */
- #define K8_MCE_THRESHOLD_BANK_0 (MCE_THRESHOLD_BASE + 0 * 9)
- #define K8_MCE_THRESHOLD_BANK_1 (MCE_THRESHOLD_BASE + 1 * 9)
- #define K8_MCE_THRESHOLD_BANK_2 (MCE_THRESHOLD_BASE + 2 * 9)
- #define K8_MCE_THRESHOLD_BANK_3 (MCE_THRESHOLD_BASE + 3 * 9)
- #define K8_MCE_THRESHOLD_BANK_4 (MCE_THRESHOLD_BASE + 4 * 9)
- #define K8_MCE_THRESHOLD_BANK_5 (MCE_THRESHOLD_BASE + 5 * 9)
- #define K8_MCE_THRESHOLD_DRAM_ECC (MCE_THRESHOLD_BANK_4 + 0)
-
- #endif /* _ASM_X86_MCE_H */
-