linux/drivers/edac/mce_amd.h
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   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 EC(x)                           ((x) & 0xffff)
   9#define XEC(x, mask)                    (((x) >> 16) & mask)
  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
  18#define TT(x)                           (((x) >> 2) & 0x3)
  19#define TT_MSG(x)                       tt_msgs[TT(x)]
  20#define II(x)                           (((x) >> 2) & 0x3)
  21#define II_MSG(x)                       ii_msgs[II(x)]
  22#define LL(x)                           ((x) & 0x3)
  23#define LL_MSG(x)                       ll_msgs[LL(x)]
  24#define TO(x)                           (((x) >> 8) & 0x1)
  25#define TO_MSG(x)                       to_msgs[TO(x)]
  26#define PP(x)                           (((x) >> 9) & 0x3)
  27#define PP_MSG(x)                       pp_msgs[PP(x)]
  28
  29#define R4(x)                           (((x) >> 4) & 0xf)
  30#define R4_MSG(x)                       ((R4(x) < 9) ?  rrrr_msgs[R4(x)] : "Wrong R4!")
  31
  32/*
  33 * F3x4C bits (MCi_STATUS' high half)
  34 */
  35#define NBSH_ERR_CPU_VAL                BIT(24)
  36
  37enum tt_ids {
  38        TT_INSTR = 0,
  39        TT_DATA,
  40        TT_GEN,
  41        TT_RESV,
  42};
  43
  44enum ll_ids {
  45        LL_RESV = 0,
  46        LL_L1,
  47        LL_L2,
  48        LL_LG,
  49};
  50
  51enum ii_ids {
  52        II_MEM = 0,
  53        II_RESV,
  54        II_IO,
  55        II_GEN,
  56};
  57
  58enum 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
  70extern const char * const tt_msgs[];
  71extern const char * const ll_msgs[];
  72extern const char * const rrrr_msgs[];
  73extern const char * const pp_msgs[];
  74extern const char * const to_msgs[];
  75extern const char * const ii_msgs[];
  76
  77/*
  78 * per-family decoder ops
  79 */
  80struct amd_decoder_ops {
  81        bool (*dc_mce)(u16, u8);
  82        bool (*ic_mce)(u16, u8);
  83};
  84
  85void amd_report_gart_errors(bool);
  86void amd_register_ecc_decoder(void (*f)(int, struct mce *));
  87void amd_unregister_ecc_decoder(void (*f)(int, struct mce *));
  88void amd_decode_nb_mce(struct mce *);
  89int amd_decode_mce(struct notifier_block *nb, unsigned long val, void *data);
  90
  91#endif /* _EDAC_MCE_AMD_H */
  92
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