xref: /linux/drivers/gpu/drm/amd/amdgpu/amdgpu_mca.h (revision c27dfca4555bf74dd7dd7161d8ef2790ec1c7283)
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__SYND__ERRORINFORMATION(x)	MCA_REG_FIELD(x, 17, 0)
50 
51 enum amdgpu_mca_ip {
52 	AMDGPU_MCA_IP_UNKNOW = -1,
53 	AMDGPU_MCA_IP_PSP = 0,
54 	AMDGPU_MCA_IP_SDMA,
55 	AMDGPU_MCA_IP_GC,
56 	AMDGPU_MCA_IP_SMU,
57 	AMDGPU_MCA_IP_MP5,
58 	AMDGPU_MCA_IP_UMC,
59 	AMDGPU_MCA_IP_PCS_XGMI,
60 	AMDGPU_MCA_IP_COUNT,
61 };
62 
63 enum amdgpu_mca_error_type {
64 	AMDGPU_MCA_ERROR_TYPE_UE = 0,
65 	AMDGPU_MCA_ERROR_TYPE_CE,
66 };
67 
68 struct amdgpu_mca_ras_block {
69 	struct amdgpu_ras_block_object ras_block;
70 };
71 
72 struct amdgpu_mca_ras {
73 	struct ras_common_if *ras_if;
74 	struct amdgpu_mca_ras_block *ras;
75 };
76 
77 struct amdgpu_mca {
78 	struct amdgpu_mca_ras mp0;
79 	struct amdgpu_mca_ras mp1;
80 	struct amdgpu_mca_ras mpio;
81 	const struct amdgpu_mca_smu_funcs *mca_funcs;
82 };
83 
84 enum mca_reg_idx {
85 	MCA_REG_IDX_STATUS		= 1,
86 	MCA_REG_IDX_ADDR		= 2,
87 	MCA_REG_IDX_MISC0		= 3,
88 	MCA_REG_IDX_IPID		= 5,
89 	MCA_REG_IDX_SYND		= 6,
90 	MCA_REG_IDX_COUNT		= 16,
91 };
92 
93 struct mca_bank_info {
94 	int socket_id;
95 	int aid;
96 	int hwid;
97 	int mcatype;
98 };
99 
100 struct mca_bank_entry {
101 	int idx;
102 	enum amdgpu_mca_error_type type;
103 	enum amdgpu_mca_ip ip;
104 	struct mca_bank_info info;
105 	uint64_t regs[MCA_MAX_REGS_COUNT];
106 };
107 
108 struct mca_bank_node {
109 	struct mca_bank_entry entry;
110 	struct list_head node;
111 };
112 
113 struct mca_bank_set {
114 	int nr_entries;
115 	struct list_head list;
116 };
117 
118 struct amdgpu_mca_smu_funcs {
119 	int max_ue_count;
120 	int max_ce_count;
121 	int (*mca_set_debug_mode)(struct amdgpu_device *adev, bool enable);
122 	int (*mca_get_ras_mca_set)(struct amdgpu_device *adev, enum amdgpu_ras_block blk, enum amdgpu_mca_error_type type,
123 				   struct mca_bank_set *mca_set);
124 	int (*mca_parse_mca_error_count)(struct amdgpu_device *adev, enum amdgpu_ras_block blk, enum amdgpu_mca_error_type type,
125 					 struct mca_bank_entry *entry, uint32_t *count);
126 	int (*mca_get_valid_mca_count)(struct amdgpu_device *adev, enum amdgpu_mca_error_type type,
127 				       uint32_t *count);
128 	int (*mca_get_mca_entry)(struct amdgpu_device *adev, enum amdgpu_mca_error_type type,
129 				 int idx, struct mca_bank_entry *entry);
130 };
131 
132 void amdgpu_mca_query_correctable_error_count(struct amdgpu_device *adev,
133 					      uint64_t mc_status_addr,
134 					      unsigned long *error_count);
135 
136 void amdgpu_mca_query_uncorrectable_error_count(struct amdgpu_device *adev,
137 						uint64_t mc_status_addr,
138 						unsigned long *error_count);
139 
140 void amdgpu_mca_reset_error_count(struct amdgpu_device *adev,
141 				  uint64_t mc_status_addr);
142 
143 void amdgpu_mca_query_ras_error_count(struct amdgpu_device *adev,
144 				      uint64_t mc_status_addr,
145 				      void *ras_error_status);
146 int amdgpu_mca_mp0_ras_sw_init(struct amdgpu_device *adev);
147 int amdgpu_mca_mp1_ras_sw_init(struct amdgpu_device *adev);
148 int amdgpu_mca_mpio_ras_sw_init(struct amdgpu_device *adev);
149 
150 void amdgpu_mca_smu_init_funcs(struct amdgpu_device *adev, const struct amdgpu_mca_smu_funcs *mca_funcs);
151 int amdgpu_mca_smu_set_debug_mode(struct amdgpu_device *adev, bool enable);
152 int amdgpu_mca_smu_get_valid_mca_count(struct amdgpu_device *adev, enum amdgpu_mca_error_type type, uint32_t *count);
153 int amdgpu_mca_smu_get_mca_set_error_count(struct amdgpu_device *adev, enum amdgpu_ras_block blk,
154 					   enum amdgpu_mca_error_type type, uint32_t *total);
155 int amdgpu_mca_smu_get_error_count(struct amdgpu_device *adev, enum amdgpu_ras_block blk,
156 				   enum amdgpu_mca_error_type type, uint32_t *count);
157 int amdgpu_mca_smu_parse_mca_error_count(struct amdgpu_device *adev, enum amdgpu_ras_block blk,
158 					 enum amdgpu_mca_error_type type, struct mca_bank_entry *entry, uint32_t *count);
159 int amdgpu_mca_smu_get_mca_set(struct amdgpu_device *adev, enum amdgpu_ras_block blk,
160 			       enum amdgpu_mca_error_type type, struct mca_bank_set *mca_set);
161 int amdgpu_mca_smu_get_mca_entry(struct amdgpu_device *adev, enum amdgpu_mca_error_type type,
162 				 int idx, struct mca_bank_entry *entry);
163 
164 void amdgpu_mca_smu_debugfs_init(struct amdgpu_device *adev, struct dentry *root);
165 
166 void amdgpu_mca_bank_set_init(struct mca_bank_set *mca_set);
167 int amdgpu_mca_bank_set_add_entry(struct mca_bank_set *mca_set, struct mca_bank_entry *entry);
168 void amdgpu_mca_bank_set_release(struct mca_bank_set *mca_set);
169 int amdgpu_mca_smu_log_ras_error(struct amdgpu_device *adev, enum amdgpu_ras_block blk, enum amdgpu_mca_error_type type, struct ras_err_data *err_data);
170 
171 #endif
172