drivers/edac/mce_amd.h

   1 #ifndef _EDAC_MCE_AMD_H
   2 #define _EDAC_MCE_AMD_H
   3
   4 #include <linux/notifier.h>
   5
   6 #include <asm/mce.h>
   7
   8 #define BIT_64(n)                       (U64_C(1) << (n))
   9
  10 #define EC(x)                           ((x) & 0xffff)
  11 #define XEC(x, mask)                    (((x) >> 16) & mask)
  12
  13 #define LOW_SYNDROME(x)                 (((x) >> 15) & 0xff)
  14 #define HIGH_SYNDROME(x)                (((x) >> 24) & 0xff)
  15
  16 #define TLB_ERROR(x)                    (((x) & 0xFFF0) == 0x0010)
  17 #define MEM_ERROR(x)                    (((x) & 0xFF00) == 0x0100)
  18 #define BUS_ERROR(x)                    (((x) & 0xF800) == 0x0800)
  19
  20 #define TT(x)                           (((x) >> 2) & 0x3)
  21 #define TT_MSG(x)                       tt_msgs[TT(x)]
  22 #define II(x)                           (((x) >> 2) & 0x3)
  23 #define II_MSG(x)                       ii_msgs[II(x)]
  24 #define LL(x)                           ((x) & 0x3)
  25 #define LL_MSG(x)                       ll_msgs[LL(x)]
  26 #define TO(x)                           (((x) >> 8) & 0x1)
  27 #define TO_MSG(x)                       to_msgs[TO(x)]
  28 #define PP(x)                           (((x) >> 9) & 0x3)
  29 #define PP_MSG(x)                       pp_msgs[PP(x)]
  30
  31 #define R4(x)                           (((x) >> 4) & 0xf)
  32 #define R4_MSG(x)                       ((R4(x) < 9) ?  rrrr_msgs[R4(x)] : "Wrong R4!")
  33
  34 /*
  35  * F3x4C bits (MCi_STATUS' high half)
  36  */
  37 #define NBSH_ERR_CPU_VAL                BIT(24)
  38
  39 enum tt_ids {
  40         TT_INSTR = 0,
  41         TT_DATA,
  42         TT_GEN,
  43         TT_RESV,
  44 };
  45
  46 enum ll_ids {
  47         LL_RESV = 0,
  48         LL_L1,
  49         LL_L2,
  50         LL_LG,
  51 };
  52
  53 enum ii_ids {
  54         II_MEM = 0,
  55         II_RESV,
  56         II_IO,
  57         II_GEN,
  58 };
  59
  60 enum rrrr_ids {
  61         R4_GEN  = 0,
  62         R4_RD,
  63         R4_WR,
  64         R4_DRD,
  65         R4_DWR,
  66         R4_IRD,
  67         R4_PREF,
  68         R4_EVICT,
  69         R4_SNOOP,
  70 };
  71
  72 extern const char *tt_msgs[];
  73 extern const char *ll_msgs[];
  74 extern const char *rrrr_msgs[];
  75 extern const char *pp_msgs[];
  76 extern const char *to_msgs[];
  77 extern const char *ii_msgs[];
  78
  79 /*
  80  * per-family decoder ops
  81  */
  82 struct amd_decoder_ops {
  83         bool (*dc_mce)(u16, u8);
  84         bool (*ic_mce)(u16, u8);
  85         bool (*nb_mce)(u16, u8);
  86 };
  87
  88 void amd_report_gart_errors(bool);
  89 void amd_register_ecc_decoder(void (*f)(int, struct mce *));
  90 void amd_unregister_ecc_decoder(void (*f)(int, struct mce *));
  91 void amd_decode_nb_mce(struct mce *);
  92 int amd_decode_mce(struct notifier_block *nb, unsigned long val, void *data);
  93
  94 #endif /* _EDAC_MCE_AMD_H */