/* 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 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 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_report_gart_errors(bool); 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 */