drivers/edac/mce_amd.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _EDAC_MCE_AMD_H
   3 #define _EDAC_MCE_AMD_H
   4
   5 #include <linux/notifier.h>
   6
   7 #include <asm/mce.h>
   8
   9 #define EC(x)                           ((x) & 0xffff)
  10
  11 #define LOW_SYNDROME(x)                 (((x) >> 15) & 0xff)
  12 #define HIGH_SYNDROME(x)                (((x) >> 24) & 0xff)
  13
  14 #define TLB_ERROR(x)                    (((x) & 0xFFF0) == 0x0010)
  15 #define MEM_ERROR(x)                    (((x) & 0xFF00) == 0x0100)
  16 #define BUS_ERROR(x)                    (((x) & 0xF800) == 0x0800)
  17 #define INT_ERROR(x)                    (((x) & 0xF4FF) == 0x0400)
  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) & 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 #define UU(x)                           (((x) >> 8) & 0x3)
  30 #define UU_MSG(x)                       uu_msgs[UU(x)]
  31
  32 #define R4(x)                           (((x) >> 4) & 0xf)
  33 #define R4_MSG(x)                       ((R4(x) < 9) ?  rrrr_msgs[R4(x)] : "Wrong R4!")
  34
  35 extern const char * const pp_msgs[];
  36
  37 enum tt_ids {
  38         TT_INSTR = 0,
  39         TT_DATA,
  40         TT_GEN,
  41         TT_RESV,
  42 };
  43
  44 enum ll_ids {
  45         LL_RESV = 0,
  46         LL_L1,
  47         LL_L2,
  48         LL_LG,
  49 };
  50
  51 enum ii_ids {
  52         II_MEM = 0,
  53         II_RESV,
  54         II_IO,
  55         II_GEN,
  56 };
  57
  58 enum rrrr_ids {
  59         R4_GEN  = 0,
  60         R4_RD,
  61         R4_WR,
  62         R4_DRD,
  63         R4_DWR,
  64         R4_IRD,
  65         R4_PREF,
  66         R4_EVICT,
  67         R4_SNOOP,
  68 };
  69
  70 /*
  71  * per-family decoder ops
  72  */
  73 struct amd_decoder_ops {
  74         bool (*mc0_mce)(u16, u8);
  75         bool (*mc1_mce)(u16, u8);
  76         bool (*mc2_mce)(u16, u8);
  77 };
  78
  79 void amd_register_ecc_decoder(void (*f)(int, struct mce *));
  80 void amd_unregister_ecc_decoder(void (*f)(int, struct mce *));
  81
  82 #endif /* _EDAC_MCE_AMD_H */