1/*
2 * Copyright (C) 2021 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included
12 * in all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
18 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
19 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
20 */
21#ifndef __AMDGPU_MCA_H__
22#define __AMDGPU_MCA_H__
23
24#include "amdgpu_ras.h"
25
26#define MCA_MAX_REGS_COUNT (16)
27
28#define MCA_REG_FIELD(x, h, l) (((x) & GENMASK_ULL(h, l)) >> l)
29#define MCA_REG__STATUS__VAL(x) MCA_REG_FIELD(x, 63, 63)
30#define MCA_REG__STATUS__OVERFLOW(x) MCA_REG_FIELD(x, 62, 62)
31#define MCA_REG__STATUS__UC(x) MCA_REG_FIELD(x, 61, 61)
32#define MCA_REG__STATUS__EN(x) MCA_REG_FIELD(x, 60, 60)
33#define MCA_REG__STATUS__MISCV(x) MCA_REG_FIELD(x, 59, 59)
34#define MCA_REG__STATUS__ADDRV(x) MCA_REG_FIELD(x, 58, 58)
35#define MCA_REG__STATUS__PCC(x) MCA_REG_FIELD(x, 57, 57)
36#define MCA_REG__STATUS__ERRCOREIDVAL(x) MCA_REG_FIELD(x, 56, 56)
37#define MCA_REG__STATUS__TCC(x) MCA_REG_FIELD(x, 55, 55)
38#define MCA_REG__STATUS__SYNDV(x) MCA_REG_FIELD(x, 53, 53)
39#define MCA_REG__STATUS__CECC(x) MCA_REG_FIELD(x, 46, 46)
40#define MCA_REG__STATUS__UECC(x) MCA_REG_FIELD(x, 45, 45)
41#define MCA_REG__STATUS__DEFERRED(x) MCA_REG_FIELD(x, 44, 44)
42#define MCA_REG__STATUS__POISON(x) MCA_REG_FIELD(x, 43, 43)
43#define MCA_REG__STATUS__SCRUB(x) MCA_REG_FIELD(x, 40, 40)
44#define MCA_REG__STATUS__ERRCOREID(x) MCA_REG_FIELD(x, 37, 32)
45#define MCA_REG__STATUS__ADDRLSB(x) MCA_REG_FIELD(x, 29, 24)
46#define MCA_REG__STATUS__ERRORCODEEXT(x) MCA_REG_FIELD(x, 21, 16)
47#define MCA_REG__STATUS__ERRORCODE(x) MCA_REG_FIELD(x, 15, 0)
48
49#define MCA_REG__MISC0__ERRCNT(x) MCA_REG_FIELD(x, 43, 32)
50
51#define MCA_REG__SYND__ERRORINFORMATION(x) MCA_REG_FIELD(x, 17, 0)
52
53enum amdgpu_mca_ip {
54 AMDGPU_MCA_IP_UNKNOW = -1,
55 AMDGPU_MCA_IP_PSP = 0,
56 AMDGPU_MCA_IP_SDMA,
57 AMDGPU_MCA_IP_GC,
58 AMDGPU_MCA_IP_SMU,
59 AMDGPU_MCA_IP_MP5,
60 AMDGPU_MCA_IP_UMC,
61 AMDGPU_MCA_IP_PCS_XGMI,
62 AMDGPU_MCA_IP_COUNT,
63};
64
65enum amdgpu_mca_error_type {
66 AMDGPU_MCA_ERROR_TYPE_UE = 0,
67 AMDGPU_MCA_ERROR_TYPE_CE,
68 AMDGPU_MCA_ERROR_TYPE_DE,
69};
70
71struct amdgpu_mca_ras_block {
72 struct amdgpu_ras_block_object ras_block;
73};
74
75struct amdgpu_mca_ras {
76 struct ras_common_if *ras_if;
77 struct amdgpu_mca_ras_block *ras;
78};
79
80struct mca_bank_set {
81 int nr_entries;
82 struct list_head list;
83};
84
85struct mca_bank_cache {
86 struct mca_bank_set mca_set;
87 struct mutex lock;
88};
89
90struct amdgpu_mca {
91 struct amdgpu_mca_ras mp0;
92 struct amdgpu_mca_ras mp1;
93 struct amdgpu_mca_ras mpio;
94 const struct amdgpu_mca_smu_funcs *mca_funcs;
95 struct mca_bank_cache mca_caches[AMDGPU_MCA_ERROR_TYPE_DE];
96 atomic_t ue_update_flag;
97};
98
99enum mca_reg_idx {
100 MCA_REG_IDX_STATUS = 1,
101 MCA_REG_IDX_ADDR = 2,
102 MCA_REG_IDX_MISC0 = 3,
103 MCA_REG_IDX_IPID = 5,
104 MCA_REG_IDX_SYND = 6,
105 MCA_REG_IDX_COUNT = 16,
106};
107
108struct mca_bank_info {
109 int socket_id;
110 int aid;
111 int hwid;
112 int mcatype;
113};
114
115struct mca_bank_entry {
116 int idx;
117 enum amdgpu_mca_error_type type;
118 enum amdgpu_mca_ip ip;
119 struct mca_bank_info info;
120 uint64_t regs[MCA_MAX_REGS_COUNT];
121};
122
123struct mca_bank_node {
124 struct mca_bank_entry entry;
125 struct list_head node;
126};
127
128struct amdgpu_mca_smu_funcs {
129 int max_ue_count;
130 int max_ce_count;
131 int (*mca_set_debug_mode)(struct amdgpu_device *adev, bool enable);
132 int (*mca_parse_mca_error_count)(struct amdgpu_device *adev, enum amdgpu_ras_block blk, enum amdgpu_mca_error_type type,
133 struct mca_bank_entry *entry, uint32_t *count);
134 int (*mca_get_valid_mca_count)(struct amdgpu_device *adev, enum amdgpu_mca_error_type type,
135 uint32_t *count);
136 int (*mca_get_mca_entry)(struct amdgpu_device *adev, enum amdgpu_mca_error_type type,
137 int idx, struct mca_bank_entry *entry);
138};
139
140void amdgpu_mca_query_correctable_error_count(struct amdgpu_device *adev,
141 uint64_t mc_status_addr,
142 unsigned long *error_count);
143
144void amdgpu_mca_query_uncorrectable_error_count(struct amdgpu_device *adev,
145 uint64_t mc_status_addr,
146 unsigned long *error_count);
147
148void amdgpu_mca_reset_error_count(struct amdgpu_device *adev,
149 uint64_t mc_status_addr);
150
151void amdgpu_mca_query_ras_error_count(struct amdgpu_device *adev,
152 uint64_t mc_status_addr,
153 void *ras_error_status);
154int amdgpu_mca_mp0_ras_sw_init(struct amdgpu_device *adev);
155int amdgpu_mca_mp1_ras_sw_init(struct amdgpu_device *adev);
156int amdgpu_mca_mpio_ras_sw_init(struct amdgpu_device *adev);
157
158void amdgpu_mca_smu_init_funcs(struct amdgpu_device *adev, const struct amdgpu_mca_smu_funcs *mca_funcs);
159int amdgpu_mca_init(struct amdgpu_device *adev);
160void amdgpu_mca_fini(struct amdgpu_device *adev);
161int amdgpu_mca_reset(struct amdgpu_device *adev);
162int amdgpu_mca_smu_set_debug_mode(struct amdgpu_device *adev, bool enable);
163int amdgpu_mca_smu_get_mca_set_error_count(struct amdgpu_device *adev, enum amdgpu_ras_block blk,
164 enum amdgpu_mca_error_type type, uint32_t *total);
165void amdgpu_mca_smu_debugfs_init(struct amdgpu_device *adev, struct dentry *root);
166int amdgpu_mca_smu_log_ras_error(struct amdgpu_device *adev, enum amdgpu_ras_block blk, enum amdgpu_mca_error_type type,
167 struct ras_err_data *err_data, struct ras_query_context *qctx);
168
169#endif
170

source code of linux/drivers/gpu/drm/amd/amdgpu/amdgpu_mca.h