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Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
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
36extern const char * const pp_msgs[];
37
38enum tt_ids {
39 TT_INSTR = 0,
40 TT_DATA,
41 TT_GEN,
42 TT_RESV,
43};
44
45enum ll_ids {
46 LL_RESV = 0,
47 LL_L1,
48 LL_L2,
49 LL_LG,
50};
51
52enum ii_ids {
53 II_MEM = 0,
54 II_RESV,
55 II_IO,
56 II_GEN,
57};
58
59enum 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 */
74struct amd_decoder_ops {
75 bool (*mc0_mce)(u16, u8);
76 bool (*mc1_mce)(u16, u8);
77 bool (*mc2_mce)(u16, u8);
78};
79
80void amd_report_gart_errors(bool);
81void amd_register_ecc_decoder(void (*f)(int, struct mce *));
82void amd_unregister_ecc_decoder(void (*f)(int, struct mce *));
83
84#endif /* _EDAC_MCE_AMD_H */