/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _EDAC_MCE_AMD_H
#define _EDAC_MCE_AMD_H

#include <linux/notifier.h>

#include <asm/mce.h>

#define EC(x)                           ((x) & 0xffff)

#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 INT_ERROR(x)                    (((x) & 0xF4FF) == 0x0400)

#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 UU(x)                           (((x) >> 8) & 0x3)
#define UU_MSG(x)                       uu_msgs[UU(x)]

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

extern const char * const pp_msgs[];

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,
};

/*
 * per-family decoder ops
 */
struct amd_decoder_ops {
        bool (*mc0_mce)(u16, u8);
        bool (*mc1_mce)(u16, u8);
        bool (*mc2_mce)(u16, u8);
};

void amd_register_ecc_decoder(void (*f)(int, struct mce *));
void amd_unregister_ecc_decoder(void (*f)(int, struct mce *));

#endif /* _EDAC_MCE_AMD_H */