1 #ifndef _EDAC_MCE_AMD_H
2 #define _EDAC_MCE_AMD_H
3 
4 #include <linux/notifier.h>
5 
6 #include <asm/mce.h>
7 
8 #define BIT_64(n)			(U64_C(1) << (n))
9 
10 #define EC(x)				((x) & 0xffff)
11 #define XEC(x, mask)			(((x) >> 16) & mask)
12 
13 #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)]
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 
31 #define R4(x)				(((x) >> 4) & 0xf)
32 #define R4_MSG(x)			((R4(x) < 9) ?  rrrr_msgs[R4(x)] : "Wrong R4!")
33 
34 /*
35  * F3x4C bits (MCi_STATUS' high half)
36  */
37 #define NBSH_ERR_CPU_VAL		BIT(24)
38 
39 enum tt_ids {
40 	TT_INSTR = 0,
41 	TT_DATA,
42 	TT_GEN,
43 	TT_RESV,
44 };
45 
46 enum ll_ids {
47 	LL_RESV = 0,
48 	LL_L1,
49 	LL_L2,
50 	LL_LG,
51 };
52 
53 enum ii_ids {
54 	II_MEM = 0,
55 	II_RESV,
56 	II_IO,
57 	II_GEN,
58 };
59 
60 enum rrrr_ids {
61 	R4_GEN	= 0,
62 	R4_RD,
63 	R4_WR,
64 	R4_DRD,
65 	R4_DWR,
66 	R4_IRD,
67 	R4_PREF,
68 	R4_EVICT,
69 	R4_SNOOP,
70 };
71 
72 extern const char * const tt_msgs[];
73 extern const char * const ll_msgs[];
74 extern const char * const rrrr_msgs[];
75 extern const char * const pp_msgs[];
76 extern const char * const to_msgs[];
77 extern const char * const ii_msgs[];
78 
79 /*
80  * per-family decoder ops
81  */
82 struct amd_decoder_ops {
83 	bool (*dc_mce)(u16, u8);
84 	bool (*ic_mce)(u16, u8);
85 };
86 
87 void amd_report_gart_errors(bool);
88 void amd_register_ecc_decoder(void (*f)(int, struct mce *));
89 void amd_unregister_ecc_decoder(void (*f)(int, struct mce *));
90 void amd_decode_nb_mce(struct mce *);
91 int amd_decode_mce(struct notifier_block *nb, unsigned long val, void *data);
92 
93 #endif /* _EDAC_MCE_AMD_H */
94