xref: /linux/drivers/gpu/drm/amd/amdgpu/amdgpu_mca.h (revision fd7d598270724cc787982ea48bbe17ad383a8b7f)
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 enum amdgpu_mca_ip {
29 	AMDGPU_MCA_IP_UNKNOW = -1,
30 	AMDGPU_MCA_IP_PSP = 0,
31 	AMDGPU_MCA_IP_SDMA,
32 	AMDGPU_MCA_IP_GC,
33 	AMDGPU_MCA_IP_SMU,
34 	AMDGPU_MCA_IP_MP5,
35 	AMDGPU_MCA_IP_UMC,
36 	AMDGPU_MCA_IP_COUNT,
37 };
38 
39 enum amdgpu_mca_error_type {
40 	AMDGPU_MCA_ERROR_TYPE_UE = 0,
41 	AMDGPU_MCA_ERROR_TYPE_CE,
42 };
43 
44 struct amdgpu_mca_ras_block {
45 	struct amdgpu_ras_block_object ras_block;
46 };
47 
48 struct amdgpu_mca_ras {
49 	struct ras_common_if *ras_if;
50 	struct amdgpu_mca_ras_block *ras;
51 };
52 
53 struct amdgpu_mca {
54 	struct amdgpu_mca_ras mp0;
55 	struct amdgpu_mca_ras mp1;
56 	struct amdgpu_mca_ras mpio;
57 	const struct amdgpu_mca_smu_funcs *mca_funcs;
58 };
59 
60 struct mca_bank_info {
61 	int socket_id;
62 	int aid;
63 	int hwid;
64 	int mcatype;
65 };
66 
67 struct mca_bank_entry {
68 	int idx;
69 	enum amdgpu_mca_error_type type;
70 	enum amdgpu_mca_ip ip;
71 	struct mca_bank_info info;
72 	uint64_t regs[MCA_MAX_REGS_COUNT];
73 };
74 
75 struct amdgpu_mca_smu_funcs {
76 	int max_ue_count;
77 	int max_ce_count;
78 	int (*mca_set_debug_mode)(struct amdgpu_device *adev, bool enable);
79 	int (*mca_get_error_count)(struct amdgpu_device *adev, enum amdgpu_ras_block blk,
80 				   enum amdgpu_mca_error_type type, uint32_t *count);
81 	int (*mca_get_valid_mca_count)(struct amdgpu_device *adev, enum amdgpu_mca_error_type type,
82 				       uint32_t *count);
83 	int (*mca_get_mca_entry)(struct amdgpu_device *adev, enum amdgpu_mca_error_type type,
84 				 int idx, struct mca_bank_entry *entry);
85 	int (*mca_get_ras_mca_idx_array)(struct amdgpu_device *adev, enum amdgpu_ras_block blk,
86 					 enum amdgpu_mca_error_type type, int *idx_array, int *idx_array_size);
87 };
88 
89 void amdgpu_mca_query_correctable_error_count(struct amdgpu_device *adev,
90 					      uint64_t mc_status_addr,
91 					      unsigned long *error_count);
92 
93 void amdgpu_mca_query_uncorrectable_error_count(struct amdgpu_device *adev,
94 						uint64_t mc_status_addr,
95 						unsigned long *error_count);
96 
97 void amdgpu_mca_reset_error_count(struct amdgpu_device *adev,
98 				  uint64_t mc_status_addr);
99 
100 void amdgpu_mca_query_ras_error_count(struct amdgpu_device *adev,
101 				      uint64_t mc_status_addr,
102 				      void *ras_error_status);
103 int amdgpu_mca_mp0_ras_sw_init(struct amdgpu_device *adev);
104 int amdgpu_mca_mp1_ras_sw_init(struct amdgpu_device *adev);
105 int amdgpu_mca_mpio_ras_sw_init(struct amdgpu_device *adev);
106 
107 void amdgpu_mca_smu_init_funcs(struct amdgpu_device *adev, const struct amdgpu_mca_smu_funcs *mca_funcs);
108 int amdgpu_mca_smu_set_debug_mode(struct amdgpu_device *adev, bool enable);
109 int amdgpu_mca_smu_get_valid_mca_count(struct amdgpu_device *adev, enum amdgpu_mca_error_type type, uint32_t *count);
110 int amdgpu_mca_smu_get_error_count(struct amdgpu_device *adev, enum amdgpu_ras_block blk,
111 				   enum amdgpu_mca_error_type type, uint32_t *count);
112 int amdgpu_mca_smu_get_mca_entry(struct amdgpu_device *adev, enum amdgpu_mca_error_type type,
113 				 int idx, struct mca_bank_entry *entry);
114 
115 void amdgpu_mca_smu_debugfs_init(struct amdgpu_device *adev, struct dentry *root);
116 
117 #endif
118