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EDAC, MCE: Rework MCE injection
[net-next-2.6.git] / drivers / edac / edac_mce_amd.h
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1#ifndef _EDAC_MCE_AMD_H
2#define _EDAC_MCE_AMD_H
3
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4#include <linux/notifier.h>
5
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6#include <asm/mce.h>
7
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8#define ERROR_CODE(x) ((x) & 0xffff)
9#define EXT_ERROR_CODE(x) (((x) >> 16) & 0x1f)
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10#define EXT_ERR_MSG(x) ext_msgs[EXT_ERROR_CODE(x)]
11
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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
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) >> 0) & 0x3)
24#define LL_MSG(x) ll_msgs[LL(x)]
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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
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30#define RRRR(x) (((x) >> 4) & 0xf)
31#define RRRR_MSG(x) ((RRRR(x) < 9) ? rrrr_msgs[RRRR(x)] : "Wrong R4!")
32
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33#define K8_NBSH 0x4C
34
35#define K8_NBSH_VALID_BIT BIT(31)
36#define K8_NBSH_OVERFLOW BIT(30)
37#define K8_NBSH_UC_ERR BIT(29)
38#define K8_NBSH_ERR_EN BIT(28)
39#define K8_NBSH_MISCV BIT(27)
40#define K8_NBSH_VALID_ERROR_ADDR BIT(26)
41#define K8_NBSH_PCC BIT(25)
42#define K8_NBSH_ERR_CPU_VAL BIT(24)
43#define K8_NBSH_CECC BIT(14)
44#define K8_NBSH_UECC BIT(13)
45#define K8_NBSH_ERR_SCRUBER BIT(8)
46
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47extern const char *tt_msgs[];
48extern const char *ll_msgs[];
49extern const char *rrrr_msgs[];
50extern const char *pp_msgs[];
51extern const char *to_msgs[];
52extern const char *ii_msgs[];
53extern const char *ext_msgs[];
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54
55/*
56 * relevant NB regs
57 */
58struct err_regs {
59 u32 nbcfg;
60 u32 nbsh;
61 u32 nbsl;
62 u32 nbeah;
63 u32 nbeal;
64};
65
549d042d 66void amd_report_gart_errors(bool);
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67void amd_register_ecc_decoder(void (*f)(int, struct mce *, u32));
68void amd_unregister_ecc_decoder(void (*f)(int, struct mce *, u32));
69void amd_decode_nb_mce(int, struct mce *, u32);
9cdeb404 70int amd_decode_mce(struct notifier_block *nb, unsigned long val, void *data);
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71
72#endif /* _EDAC_MCE_AMD_H */