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 ERROR_CODE(x)                   ((x) & 0xffff)
   9 #define EXT_ERROR_CODE(x)               (((x) >> 16) & 0x1f)
  10 #define EXT_ERR_MSG(x)                  ext_msgs[EXT_ERROR_CODE(x)]
  11
  12 #define LOW_SYNDROME(x)                 (((x) >> 15) & 0xff)
  13 #define HIGH_SYNDROME(x)                (((x) >> 24) & 0xff)
  14
  15 #define TLB_ERROR(x)                    (((x) & 0xFFF0) == 0x0010)
  16 #define MEM_ERROR(x)                    (((x) & 0xFF00) == 0x0100)
  17 #define BUS_ERROR(x)                    (((x) & 0xF800) == 0x0800)
  18
  19 #define TT(x)                           (((x) >> 2) & 0x3)
  20 #define TT_MSG(x)                       tt_msgs[TT(x)]
  21 #define II(x)                           (((x) >> 2) & 0x3)
  22 #define II_MSG(x)                       ii_msgs[II(x)]
  23 #define LL(x)                           (((x) >> 0) & 0x3)
  24 #define LL_MSG(x)                       ll_msgs[LL(x)]
  25 #define TO(x)                           (((x) >> 8) & 0x1)
  26 #define TO_MSG(x)                       to_msgs[TO(x)]
  27 #define PP(x)                           (((x) >> 9) & 0x3)
  28 #define PP_MSG(x)                       pp_msgs[PP(x)]
  29
  30 #define RRRR(x)                         (((x) >> 4) & 0xf)
  31 #define RRRR_MSG(x)                     ((RRRR(x) < 9) ?  rrrr_msgs[RRRR(x)] : "Wrong R4!")
  32
  33 #define K8_NBSH                         0x4C
  34
  35 #define K8_NBSH_VALID_BIT               BIT(31)
  36 #define K8_NBSH_OVERFLOW                BIT(30)
  37 #define K8_NBSH_UC_ERR                  BIT(29)
  38 #define K8_NBSH_ERR_EN                  BIT(28)
  39 #define K8_NBSH_MISCV                   BIT(27)
  40 #define K8_NBSH_VALID_ERROR_ADDR        BIT(26)
  41 #define K8_NBSH_PCC                     BIT(25)
  42 #define K8_NBSH_ERR_CPU_VAL             BIT(24)
  43 #define K8_NBSH_CECC                    BIT(14)
  44 #define K8_NBSH_UECC                    BIT(13)
  45 #define K8_NBSH_ERR_SCRUBER             BIT(8)
  46
  47 extern const char *tt_msgs[];
  48 extern const char *ll_msgs[];
  49 extern const char *rrrr_msgs[];
  50 extern const char *pp_msgs[];
  51 extern const char *to_msgs[];
  52 extern const char *ii_msgs[];
  53 extern const char *ext_msgs[];
  54
  55 /*
  56  * relevant NB regs
  57  */
  58 struct err_regs {
  59         u32 nbcfg;
  60         u32 nbsh;
  61         u32 nbsl;
  62         u32 nbeah;
  63         u32 nbeal;
  64 };
  65
  66 void amd_report_gart_errors(bool);
  67 void amd_register_ecc_decoder(void (*f)(int, struct mce *, u32));
  68 void amd_unregister_ecc_decoder(void (*f)(int, struct mce *, u32));
  69 void amd_decode_nb_mce(int, struct mce *, u32);
  70 int amd_decode_mce(struct notifier_block *nb, unsigned long val, void *data);
  71
  72 #endif /* _EDAC_MCE_AMD_H */