diff options
Diffstat (limited to 'drivers/edac/mce_amd.h')
-rw-r--r-- | drivers/edac/mce_amd.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/drivers/edac/mce_amd.h b/drivers/edac/mce_amd.h new file mode 100644 index 000000000..c2359a1ea --- /dev/null +++ b/drivers/edac/mce_amd.h @@ -0,0 +1,84 @@ +#ifndef _EDAC_MCE_AMD_H +#define _EDAC_MCE_AMD_H + +#include <linux/notifier.h> + +#include <asm/mce.h> + +#define EC(x) ((x) & 0xffff) +#define XEC(x, mask) (((x) >> 16) & mask) + +#define LOW_SYNDROME(x) (((x) >> 15) & 0xff) +#define HIGH_SYNDROME(x) (((x) >> 24) & 0xff) + +#define TLB_ERROR(x) (((x) & 0xFFF0) == 0x0010) +#define MEM_ERROR(x) (((x) & 0xFF00) == 0x0100) +#define BUS_ERROR(x) (((x) & 0xF800) == 0x0800) +#define INT_ERROR(x) (((x) & 0xF4FF) == 0x0400) + +#define TT(x) (((x) >> 2) & 0x3) +#define TT_MSG(x) tt_msgs[TT(x)] +#define II(x) (((x) >> 2) & 0x3) +#define II_MSG(x) ii_msgs[II(x)] +#define LL(x) ((x) & 0x3) +#define LL_MSG(x) ll_msgs[LL(x)] +#define TO(x) (((x) >> 8) & 0x1) +#define TO_MSG(x) to_msgs[TO(x)] +#define PP(x) (((x) >> 9) & 0x3) +#define PP_MSG(x) pp_msgs[PP(x)] +#define UU(x) (((x) >> 8) & 0x3) +#define UU_MSG(x) uu_msgs[UU(x)] + +#define R4(x) (((x) >> 4) & 0xf) +#define R4_MSG(x) ((R4(x) < 9) ? rrrr_msgs[R4(x)] : "Wrong R4!") + +extern const char * const pp_msgs[]; + +enum tt_ids { + TT_INSTR = 0, + TT_DATA, + TT_GEN, + TT_RESV, +}; + +enum ll_ids { + LL_RESV = 0, + LL_L1, + LL_L2, + LL_LG, +}; + +enum ii_ids { + II_MEM = 0, + II_RESV, + II_IO, + II_GEN, +}; + +enum rrrr_ids { + R4_GEN = 0, + R4_RD, + R4_WR, + R4_DRD, + R4_DWR, + R4_IRD, + R4_PREF, + R4_EVICT, + R4_SNOOP, +}; + +/* + * per-family decoder ops + */ +struct amd_decoder_ops { + bool (*mc0_mce)(u16, u8); + bool (*mc1_mce)(u16, u8); + bool (*mc2_mce)(u16, u8); +}; + +void amd_report_gart_errors(bool); +void amd_register_ecc_decoder(void (*f)(int, struct mce *)); +void amd_unregister_ecc_decoder(void (*f)(int, struct mce *)); +int amd_decode_mce(struct notifier_block *nb, unsigned long val, void *data); + +#endif /* _EDAC_MCE_AMD_H */ |