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 #define K8_NBSH                         0x4C
  35
  36 #define K8_NBSH_VALID_BIT               BIT(31)
  37 #define K8_NBSH_OVERFLOW                BIT(30)
  38 #define K8_NBSH_UC_ERR                  BIT(29)
  39 #define K8_NBSH_ERR_EN                  BIT(28)
  40 #define K8_NBSH_MISCV                   BIT(27)
  41 #define K8_NBSH_VALID_ERROR_ADDR        BIT(26)
  42 #define K8_NBSH_PCC                     BIT(25)
  43 #define K8_NBSH_ERR_CPU_VAL             BIT(24)
  44 #define K8_NBSH_CECC                    BIT(14)
  45 #define K8_NBSH_UECC                    BIT(13)
  46 #define K8_NBSH_ERR_SCRUBER             BIT(8)
  47
  48 enum tt_ids {
  49         TT_INSTR = 0,
  50         TT_DATA,
  51         TT_GEN,
  52         TT_RESV,
  53 };
  54
  55 enum ll_ids {
  56         LL_RESV = 0,
  57         LL_L1,
  58         LL_L2,
  59         LL_LG,
  60 };
  61
  62 enum ii_ids {
  63         II_MEM = 0,
  64         II_RESV,
  65         II_IO,
  66         II_GEN,
  67 };
  68
  69 enum rrrr_ids {
  70         R4_GEN  = 0,
  71         R4_RD,
  72         R4_WR,
  73         R4_DRD,
  74         R4_DWR,
  75         R4_IRD,
  76         R4_PREF,
  77         R4_EVICT,
  78         R4_SNOOP,
  79 };
  80
  81 extern const char *tt_msgs[];
  82 extern const char *ll_msgs[];
  83 extern const char *rrrr_msgs[];
  84 extern const char *pp_msgs[];
  85 extern const char *to_msgs[];
  86 extern const char *ii_msgs[];
  87
  88 /*
  89  * relevant NB regs
  90  */
  91 struct err_regs {
  92         u32 nbcfg;
  93         u32 nbsh;
  94         u32 nbsl;
  95         u32 nbeah;
  96         u32 nbeal;
  97 };
  98
  99 /*
 100  * per-family decoder ops
 101  */
 102 struct amd_decoder_ops {
 103         bool (*dc_mce)(u16, u8);
 104         bool (*ic_mce)(u16, u8);
 105         bool (*nb_mce)(u16, u8);
 106 };
 107
 108 void amd_report_gart_errors(bool);
 109 void amd_register_ecc_decoder(void (*f)(int, struct mce *, u32));
 110 void amd_unregister_ecc_decoder(void (*f)(int, struct mce *, u32));
 111 void amd_decode_nb_mce(int, struct mce *, u32);
 112 int amd_decode_mce(struct notifier_block *nb, unsigned long val, void *data);
 113
 114 #endif /* _EDAC_MCE_AMD_H */