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Borislav Petkov549d0422009-07-24 13:51:42 +02001#ifndef _EDAC_MCE_AMD_H
2#define _EDAC_MCE_AMD_H
3
Borislav Petkov9cdeb402010-09-02 18:33:24 +02004#include <linux/notifier.h>
5
Borislav Petkov549d0422009-07-24 13:51:42 +02006#include <asm/mce.h>
7
Borislav Petkovcf1d2202010-10-15 15:20:18 +02008#define BIT_64(n) (U64_C(1) << (n))
9
Borislav Petkov62452882010-09-22 16:08:37 +020010#define EC(x) ((x) & 0xffff)
11#define XEC(x, mask) (((x) >> 16) & mask)
Borislav Petkov5110dbd2009-06-25 19:51:04 +020012
Borislav Petkovb70ef012009-06-25 19:32:38 +020013#define LOW_SYNDROME(x) (((x) >> 15) & 0xff)
14#define HIGH_SYNDROME(x) (((x) >> 24) & 0xff)
15
16#define TLB_ERROR(x) (((x) & 0xFFF0) == 0x0010)
17#define MEM_ERROR(x) (((x) & 0xFF00) == 0x0100)
18#define BUS_ERROR(x) (((x) & 0xF800) == 0x0800)
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)]
Borislav Petkov62452882010-09-22 16:08:37 +020024#define LL(x) ((x) & 0x3)
Borislav Petkovb70ef012009-06-25 19:32:38 +020025#define LL_MSG(x) ll_msgs[LL(x)]
Borislav Petkovb70ef012009-06-25 19:32:38 +020026#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
Borislav Petkov62452882010-09-22 16:08:37 +020031#define R4(x) (((x) >> 4) & 0xf)
32#define R4_MSG(x) ((R4(x) < 9) ? rrrr_msgs[R4(x)] : "Wrong R4!")
Borislav Petkov63375832010-09-06 18:13:39 +020033
Borislav Petkov549d0422009-07-24 13:51:42 +020034#define K8_NBSH 0x4C
35
36#define K8_NBSH_VALID_BIT BIT(31)
37#define K8_NBSH_OVERFLOW BIT(30)
38#define K8_NBSH_UC_ERR BIT(29)
39#define K8_NBSH_ERR_EN BIT(28)
40#define K8_NBSH_MISCV BIT(27)
41#define K8_NBSH_VALID_ERROR_ADDR BIT(26)
42#define K8_NBSH_PCC BIT(25)
43#define K8_NBSH_ERR_CPU_VAL BIT(24)
44#define K8_NBSH_CECC BIT(14)
45#define K8_NBSH_UECC BIT(13)
46#define K8_NBSH_ERR_SCRUBER BIT(8)
47
Borislav Petkov888ab8e2010-08-18 15:11:35 +020048enum tt_ids {
49 TT_INSTR = 0,
50 TT_DATA,
51 TT_GEN,
52 TT_RESV,
53};
54
55enum ll_ids {
56 LL_RESV = 0,
57 LL_L1,
58 LL_L2,
59 LL_LG,
60};
61
62enum ii_ids {
63 II_MEM = 0,
64 II_RESV,
65 II_IO,
66 II_GEN,
67};
68
69enum rrrr_ids {
70 R4_GEN = 0,
71 R4_RD,
72 R4_WR,
73 R4_DRD,
74 R4_DWR,
75 R4_IRD,
76 R4_PREF,
77 R4_EVICT,
78 R4_SNOOP,
79};
80
Borislav Petkovb70ef012009-06-25 19:32:38 +020081extern const char *tt_msgs[];
82extern const char *ll_msgs[];
83extern const char *rrrr_msgs[];
84extern const char *pp_msgs[];
85extern const char *to_msgs[];
86extern const char *ii_msgs[];
Borislav Petkov549d0422009-07-24 13:51:42 +020087
88/*
89 * relevant NB regs
90 */
91struct err_regs {
92 u32 nbcfg;
93 u32 nbsh;
94 u32 nbsl;
95 u32 nbeah;
96 u32 nbeal;
97};
98
Borislav Petkov888ab8e2010-08-18 15:11:35 +020099/*
100 * per-family decoder ops
101 */
102struct amd_decoder_ops {
Borislav Petkov25a4f8b2010-09-17 19:22:34 +0200103 bool (*dc_mce)(u16, u8);
Borislav Petkov86039cd2010-11-08 15:03:35 +0100104 bool (*ic_mce)(u16, u8);
Borislav Petkov5ce88f62010-08-31 18:28:08 +0200105 bool (*nb_mce)(u16, u8);
Borislav Petkov888ab8e2010-08-18 15:11:35 +0200106};
107
Borislav Petkov549d0422009-07-24 13:51:42 +0200108void amd_report_gart_errors(bool);
Borislav Petkov7cfd4a82010-09-01 14:45:20 +0200109void amd_register_ecc_decoder(void (*f)(int, struct mce *, u32));
110void amd_unregister_ecc_decoder(void (*f)(int, struct mce *, u32));
111void amd_decode_nb_mce(int, struct mce *, u32);
Borislav Petkov9cdeb402010-09-02 18:33:24 +0200112int amd_decode_mce(struct notifier_block *nb, unsigned long val, void *data);
Borislav Petkov549d0422009-07-24 13:51:42 +0200113
114#endif /* _EDAC_MCE_AMD_H */