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 | |
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 | #define INT_ERROR(x) (((x) & 0xF4FF) == 0x0400) |
18 | |
19 | #define TT(x) (((x) >> 2) & 0x3) |
20 | #define TT_MSG(x) tt_msgs[TT(x)] |
21 | #define II(x) (((x) >> 2) & 0x3) |
22 | #define II_MSG(x) ii_msgs[II(x)] |
23 | #define LL(x) ((x) & 0x3) |
24 | #define LL_MSG(x) ll_msgs[LL(x)] |
25 | #define TO(x) (((x) >> 8) & 0x1) |
26 | #define TO_MSG(x) to_msgs[TO(x)] |
27 | #define PP(x) (((x) >> 9) & 0x3) |
28 | #define PP_MSG(x) pp_msgs[PP(x)] |
29 | #define UU(x) (((x) >> 8) & 0x3) |
30 | #define UU_MSG(x) uu_msgs[UU(x)] |
31 | |
32 | #define R4(x) (((x) >> 4) & 0xf) |
33 | #define R4_MSG(x) ((R4(x) < 9) ? rrrr_msgs[R4(x)] : "Wrong R4!") |
34 | |
35 | extern const char * const pp_msgs[]; |
36 | |
37 | enum tt_ids { |
38 | TT_INSTR = 0, |
39 | TT_DATA, |
40 | TT_GEN, |
41 | TT_RESV, |
42 | }; |
43 | |
44 | enum ll_ids { |
45 | LL_RESV = 0, |
46 | LL_L1, |
47 | LL_L2, |
48 | LL_LG, |
49 | }; |
50 | |
51 | enum ii_ids { |
52 | II_MEM = 0, |
53 | II_RESV, |
54 | II_IO, |
55 | II_GEN, |
56 | }; |
57 | |
58 | enum 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 | |
70 | /* |
71 | * per-family decoder ops |
72 | */ |
73 | struct amd_decoder_ops { |
74 | bool (*mc0_mce)(u16, u8); |
75 | bool (*mc1_mce)(u16, u8); |
76 | bool (*mc2_mce)(u16, u8); |
77 | }; |
78 | |
79 | void amd_register_ecc_decoder(void (*f)(int, struct mce *)); |
80 | void amd_unregister_ecc_decoder(void (*f)(int, struct mce *)); |
81 | |
82 | #endif /* _EDAC_MCE_AMD_H */ |
83 | |