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 #define XEC(x, mask) (((x) >> 16) & mask) 11 12 #define LOW_SYNDROME(x) (((x) >> 15) & 0xff) 13 #define HIGH_SYNDROME(x) (((x) >> 24) & 0xff) 14 15 #define TLB_ERROR(x) (((x) & 0xFFF0) == 0x0010) 16 #define MEM_ERROR(x) (((x) & 0xFF00) == 0x0100) 17 #define BUS_ERROR(x) (((x) & 0xF800) == 0x0800) 18 #define INT_ERROR(x) (((x) & 0xF4FF) == 0x0400) 19 20 #define TT(x) (((x) >> 2) & 0x3) 21 #define TT_MSG(x) tt_msgs[TT(x)] 22 #define II(x) (((x) >> 2) & 0x3) 23 #define II_MSG(x) ii_msgs[II(x)] 24 #define LL(x) ((x) & 0x3) 25 #define LL_MSG(x) ll_msgs[LL(x)] 26 #define TO(x) (((x) >> 8) & 0x1) 27 #define TO_MSG(x) to_msgs[TO(x)] 28 #define PP(x) (((x) >> 9) & 0x3) 29 #define PP_MSG(x) pp_msgs[PP(x)] 30 #define UU(x) (((x) >> 8) & 0x3) 31 #define UU_MSG(x) uu_msgs[UU(x)] 32 33 #define R4(x) (((x) >> 4) & 0xf) 34 #define R4_MSG(x) ((R4(x) < 9) ? rrrr_msgs[R4(x)] : "Wrong R4!") 35 36 extern const char * const pp_msgs[]; 37 38 enum tt_ids { 39 TT_INSTR = 0, 40 TT_DATA, 41 TT_GEN, 42 TT_RESV, 43 }; 44 45 enum ll_ids { 46 LL_RESV = 0, 47 LL_L1, 48 LL_L2, 49 LL_LG, 50 }; 51 52 enum ii_ids { 53 II_MEM = 0, 54 II_RESV, 55 II_IO, 56 II_GEN, 57 }; 58 59 enum rrrr_ids { 60 R4_GEN = 0, 61 R4_RD, 62 R4_WR, 63 R4_DRD, 64 R4_DWR, 65 R4_IRD, 66 R4_PREF, 67 R4_EVICT, 68 R4_SNOOP, 69 }; 70 71 /* 72 * per-family decoder ops 73 */ 74 struct amd_decoder_ops { 75 bool (*mc0_mce)(u16, u8); 76 bool (*mc1_mce)(u16, u8); 77 bool (*mc2_mce)(u16, u8); 78 }; 79 80 void amd_report_gart_errors(bool); 81 void amd_register_ecc_decoder(void (*f)(int, struct mce *)); 82 void amd_unregister_ecc_decoder(void (*f)(int, struct mce *)); 83 84 #endif /* _EDAC_MCE_AMD_H */ 85