mce_amd.h

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#ifndef _EDAC_MCE_AMD_H
#define _EDAC_MCE_AMD_H

#include <linux/notifier.h>

#include <asm/mce.h>

#define EC(x)               ((x) & 0xffff)
#define XEC(x, mask)            (((x) >> 16) & mask)

#define LOW_SYNDROME(x)         (((x) >> 15) & 0xff)
#define HIGH_SYNDROME(x)        (((x) >> 24) & 0xff)

#define TLB_ERROR(x)            (((x) & 0xFFF0) == 0x0010)
#define MEM_ERROR(x)            (((x) & 0xFF00) == 0x0100)
#define BUS_ERROR(x)            (((x) & 0xF800) == 0x0800)

#define TT(x)               (((x) >> 2) & 0x3)
#define TT_MSG(x)           tt_msgs[TT(x)]
#define II(x)               (((x) >> 2) & 0x3)
#define II_MSG(x)           ii_msgs[II(x)]
#define LL(x)               ((x) & 0x3)
#define LL_MSG(x)           ll_msgs[LL(x)]
#define TO(x)               (((x) >> 8) & 0x1)
#define TO_MSG(x)           to_msgs[TO(x)]
#define PP(x)               (((x) >> 9) & 0x3)
#define PP_MSG(x)           pp_msgs[PP(x)]

#define R4(x)               (((x) >> 4) & 0xf)
#define R4_MSG(x)           ((R4(x) < 9) ?  rrrr_msgs[R4(x)] : "Wrong R4!")

/*
 * F3x4C bits (MCi_STATUS' high half)
 */
#define NBSH_ERR_CPU_VAL        BIT(24)

enum tt_ids {
    TT_INSTR = 0,
    TT_DATA,
    TT_GEN,
    TT_RESV,
};

enum ll_ids {
    LL_RESV = 0,
    LL_L1,
    LL_L2,
    LL_LG,
};

enum ii_ids {
    II_MEM = 0,
    II_RESV,
    II_IO,
    II_GEN,
};

enum rrrr_ids {
    R4_GEN  = 0,
    R4_RD,
    R4_WR,
    R4_DRD,
    R4_DWR,
    R4_IRD,
    R4_PREF,
    R4_EVICT,
    R4_SNOOP,
};

extern const char * const tt_msgs[];
extern const char * const ll_msgs[];
extern const char * const rrrr_msgs[];
extern const char * const pp_msgs[];
extern const char * const to_msgs[];
extern const char * const ii_msgs[];

/*
 * per-family decoder ops
 */
struct amd_decoder_ops {
    bool (*dc_mce)(u16, u8);
    bool (*ic_mce)(u16, u8);
};

void amd_report_gart_errors(bool);
void amd_register_ecc_decoder(void (*f)(int, struct mce *));
void amd_unregister_ecc_decoder(void (*f)(int, struct mce *));
void amd_decode_nb_mce(struct mce *);
int amd_decode_mce(struct notifier_block *nb, unsigned long val, void *data);

#endif /* _EDAC_MCE_AMD_H */