1 /*
2  * Copyright 2018 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 in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * 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) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  *
23  */
24 #ifndef _AMDGPU_RAS_H
25 #define _AMDGPU_RAS_H
26 
27 #include <linux/debugfs.h>
28 #include <linux/list.h>
29 #include <linux/kfifo.h>
30 #include <linux/radix-tree.h>
31 #include "ta_ras_if.h"
32 #include "amdgpu_ras_eeprom.h"
33 #include "amdgpu_smuio.h"
34 #include "amdgpu_aca.h"
35 
36 struct amdgpu_iv_entry;
37 
38 #define AMDGPU_RAS_GPU_ERR_MEM_TRAINING(x)		AMDGPU_GET_REG_FIELD(x, 0, 0)
39 #define AMDGPU_RAS_GPU_ERR_FW_LOAD(x)			AMDGPU_GET_REG_FIELD(x, 1, 1)
40 #define AMDGPU_RAS_GPU_ERR_WAFL_LINK_TRAINING(x)	AMDGPU_GET_REG_FIELD(x, 2, 2)
41 #define AMDGPU_RAS_GPU_ERR_XGMI_LINK_TRAINING(x)	AMDGPU_GET_REG_FIELD(x, 3, 3)
42 #define AMDGPU_RAS_GPU_ERR_USR_CP_LINK_TRAINING(x)	AMDGPU_GET_REG_FIELD(x, 4, 4)
43 #define AMDGPU_RAS_GPU_ERR_USR_DP_LINK_TRAINING(x)	AMDGPU_GET_REG_FIELD(x, 5, 5)
44 #define AMDGPU_RAS_GPU_ERR_HBM_MEM_TEST(x)		AMDGPU_GET_REG_FIELD(x, 6, 6)
45 #define AMDGPU_RAS_GPU_ERR_HBM_BIST_TEST(x)		AMDGPU_GET_REG_FIELD(x, 7, 7)
46 #define AMDGPU_RAS_GPU_ERR_SOCKET_ID(x)			AMDGPU_GET_REG_FIELD(x, 10, 8)
47 #define AMDGPU_RAS_GPU_ERR_AID_ID(x)			AMDGPU_GET_REG_FIELD(x, 12, 11)
48 #define AMDGPU_RAS_GPU_ERR_HBM_ID(x)			AMDGPU_GET_REG_FIELD(x, 14, 13)
49 #define AMDGPU_RAS_GPU_ERR_DATA_ABORT(x)		AMDGPU_GET_REG_FIELD(x, 29, 29)
50 #define AMDGPU_RAS_GPU_ERR_GENERIC(x)			AMDGPU_GET_REG_FIELD(x, 30, 30)
51 
52 #define AMDGPU_RAS_BOOT_STATUS_POLLING_LIMIT	100
53 #define AMDGPU_RAS_BOOT_STEADY_STATUS		0xBA
54 #define AMDGPU_RAS_BOOT_STATUS_MASK		0xFF
55 
56 #define AMDGPU_RAS_FLAG_INIT_BY_VBIOS		(0x1 << 0)
57 /* position of instance value in sub_block_index of
58  * ta_ras_trigger_error_input, the sub block uses lower 12 bits
59  */
60 #define AMDGPU_RAS_INST_MASK 0xfffff000
61 #define AMDGPU_RAS_INST_SHIFT 0xc
62 
63 #define AMDGPU_RAS_FEATURES_SOCKETID_SHIFT 29
64 #define AMDGPU_RAS_FEATURES_SOCKETID_MASK 0xe0000000
65 
66 /* Reserve 8 physical dram row for possible retirement.
67  * In worst cases, it will lose 8 * 2MB memory in vram domain */
68 #define AMDGPU_RAS_RESERVED_VRAM_SIZE_DEFAULT	(16ULL << 20)
69 /* The high three bits indicates socketid */
70 #define AMDGPU_RAS_GET_FEATURES(val)  ((val) & ~AMDGPU_RAS_FEATURES_SOCKETID_MASK)
71 
72 #define RAS_EVENT_INVALID_ID		(BIT_ULL(63))
73 #define RAS_EVENT_ID_IS_VALID(x)	(!((x) & BIT_ULL(63)))
74 
75 #define RAS_EVENT_LOG(adev, id, fmt, ...)	\
76 	amdgpu_ras_event_log_print((adev), (id), (fmt), ##__VA_ARGS__)
77 
78 #define amdgpu_ras_mark_ras_event(adev, type)	\
79 	(amdgpu_ras_mark_ras_event_caller((adev), (type), __builtin_return_address(0)))
80 
81 enum amdgpu_ras_block {
82 	AMDGPU_RAS_BLOCK__UMC = 0,
83 	AMDGPU_RAS_BLOCK__SDMA,
84 	AMDGPU_RAS_BLOCK__GFX,
85 	AMDGPU_RAS_BLOCK__MMHUB,
86 	AMDGPU_RAS_BLOCK__ATHUB,
87 	AMDGPU_RAS_BLOCK__PCIE_BIF,
88 	AMDGPU_RAS_BLOCK__HDP,
89 	AMDGPU_RAS_BLOCK__XGMI_WAFL,
90 	AMDGPU_RAS_BLOCK__DF,
91 	AMDGPU_RAS_BLOCK__SMN,
92 	AMDGPU_RAS_BLOCK__SEM,
93 	AMDGPU_RAS_BLOCK__MP0,
94 	AMDGPU_RAS_BLOCK__MP1,
95 	AMDGPU_RAS_BLOCK__FUSE,
96 	AMDGPU_RAS_BLOCK__MCA,
97 	AMDGPU_RAS_BLOCK__VCN,
98 	AMDGPU_RAS_BLOCK__JPEG,
99 	AMDGPU_RAS_BLOCK__IH,
100 	AMDGPU_RAS_BLOCK__MPIO,
101 	AMDGPU_RAS_BLOCK__MMSCH,
102 
103 	AMDGPU_RAS_BLOCK__LAST,
104 	AMDGPU_RAS_BLOCK__ANY = -1
105 };
106 
107 enum amdgpu_ras_mca_block {
108 	AMDGPU_RAS_MCA_BLOCK__MP0 = 0,
109 	AMDGPU_RAS_MCA_BLOCK__MP1,
110 	AMDGPU_RAS_MCA_BLOCK__MPIO,
111 	AMDGPU_RAS_MCA_BLOCK__IOHC,
112 
113 	AMDGPU_RAS_MCA_BLOCK__LAST
114 };
115 
116 #define AMDGPU_RAS_BLOCK_COUNT	AMDGPU_RAS_BLOCK__LAST
117 #define AMDGPU_RAS_MCA_BLOCK_COUNT	AMDGPU_RAS_MCA_BLOCK__LAST
118 #define AMDGPU_RAS_BLOCK_MASK	((1ULL << AMDGPU_RAS_BLOCK_COUNT) - 1)
119 
120 enum amdgpu_ras_gfx_subblock {
121 	/* CPC */
122 	AMDGPU_RAS_BLOCK__GFX_CPC_INDEX_START = 0,
123 	AMDGPU_RAS_BLOCK__GFX_CPC_SCRATCH =
124 		AMDGPU_RAS_BLOCK__GFX_CPC_INDEX_START,
125 	AMDGPU_RAS_BLOCK__GFX_CPC_UCODE,
126 	AMDGPU_RAS_BLOCK__GFX_DC_STATE_ME1,
127 	AMDGPU_RAS_BLOCK__GFX_DC_CSINVOC_ME1,
128 	AMDGPU_RAS_BLOCK__GFX_DC_RESTORE_ME1,
129 	AMDGPU_RAS_BLOCK__GFX_DC_STATE_ME2,
130 	AMDGPU_RAS_BLOCK__GFX_DC_CSINVOC_ME2,
131 	AMDGPU_RAS_BLOCK__GFX_DC_RESTORE_ME2,
132 	AMDGPU_RAS_BLOCK__GFX_CPC_INDEX_END =
133 		AMDGPU_RAS_BLOCK__GFX_DC_RESTORE_ME2,
134 	/* CPF */
135 	AMDGPU_RAS_BLOCK__GFX_CPF_INDEX_START,
136 	AMDGPU_RAS_BLOCK__GFX_CPF_ROQ_ME2 =
137 		AMDGPU_RAS_BLOCK__GFX_CPF_INDEX_START,
138 	AMDGPU_RAS_BLOCK__GFX_CPF_ROQ_ME1,
139 	AMDGPU_RAS_BLOCK__GFX_CPF_TAG,
140 	AMDGPU_RAS_BLOCK__GFX_CPF_INDEX_END = AMDGPU_RAS_BLOCK__GFX_CPF_TAG,
141 	/* CPG */
142 	AMDGPU_RAS_BLOCK__GFX_CPG_INDEX_START,
143 	AMDGPU_RAS_BLOCK__GFX_CPG_DMA_ROQ =
144 		AMDGPU_RAS_BLOCK__GFX_CPG_INDEX_START,
145 	AMDGPU_RAS_BLOCK__GFX_CPG_DMA_TAG,
146 	AMDGPU_RAS_BLOCK__GFX_CPG_TAG,
147 	AMDGPU_RAS_BLOCK__GFX_CPG_INDEX_END = AMDGPU_RAS_BLOCK__GFX_CPG_TAG,
148 	/* GDS */
149 	AMDGPU_RAS_BLOCK__GFX_GDS_INDEX_START,
150 	AMDGPU_RAS_BLOCK__GFX_GDS_MEM = AMDGPU_RAS_BLOCK__GFX_GDS_INDEX_START,
151 	AMDGPU_RAS_BLOCK__GFX_GDS_INPUT_QUEUE,
152 	AMDGPU_RAS_BLOCK__GFX_GDS_OA_PHY_CMD_RAM_MEM,
153 	AMDGPU_RAS_BLOCK__GFX_GDS_OA_PHY_DATA_RAM_MEM,
154 	AMDGPU_RAS_BLOCK__GFX_GDS_OA_PIPE_MEM,
155 	AMDGPU_RAS_BLOCK__GFX_GDS_INDEX_END =
156 		AMDGPU_RAS_BLOCK__GFX_GDS_OA_PIPE_MEM,
157 	/* SPI */
158 	AMDGPU_RAS_BLOCK__GFX_SPI_SR_MEM,
159 	/* SQ */
160 	AMDGPU_RAS_BLOCK__GFX_SQ_INDEX_START,
161 	AMDGPU_RAS_BLOCK__GFX_SQ_SGPR = AMDGPU_RAS_BLOCK__GFX_SQ_INDEX_START,
162 	AMDGPU_RAS_BLOCK__GFX_SQ_LDS_D,
163 	AMDGPU_RAS_BLOCK__GFX_SQ_LDS_I,
164 	AMDGPU_RAS_BLOCK__GFX_SQ_VGPR,
165 	AMDGPU_RAS_BLOCK__GFX_SQ_INDEX_END = AMDGPU_RAS_BLOCK__GFX_SQ_VGPR,
166 	/* SQC (3 ranges) */
167 	AMDGPU_RAS_BLOCK__GFX_SQC_INDEX_START,
168 	/* SQC range 0 */
169 	AMDGPU_RAS_BLOCK__GFX_SQC_INDEX0_START =
170 		AMDGPU_RAS_BLOCK__GFX_SQC_INDEX_START,
171 	AMDGPU_RAS_BLOCK__GFX_SQC_INST_UTCL1_LFIFO =
172 		AMDGPU_RAS_BLOCK__GFX_SQC_INDEX0_START,
173 	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_CU0_WRITE_DATA_BUF,
174 	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_CU0_UTCL1_LFIFO,
175 	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_CU1_WRITE_DATA_BUF,
176 	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_CU1_UTCL1_LFIFO,
177 	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_CU2_WRITE_DATA_BUF,
178 	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_CU2_UTCL1_LFIFO,
179 	AMDGPU_RAS_BLOCK__GFX_SQC_INDEX0_END =
180 		AMDGPU_RAS_BLOCK__GFX_SQC_DATA_CU2_UTCL1_LFIFO,
181 	/* SQC range 1 */
182 	AMDGPU_RAS_BLOCK__GFX_SQC_INDEX1_START,
183 	AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKA_TAG_RAM =
184 		AMDGPU_RAS_BLOCK__GFX_SQC_INDEX1_START,
185 	AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKA_UTCL1_MISS_FIFO,
186 	AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKA_MISS_FIFO,
187 	AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKA_BANK_RAM,
188 	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKA_TAG_RAM,
189 	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKA_HIT_FIFO,
190 	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKA_MISS_FIFO,
191 	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKA_DIRTY_BIT_RAM,
192 	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKA_BANK_RAM,
193 	AMDGPU_RAS_BLOCK__GFX_SQC_INDEX1_END =
194 		AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKA_BANK_RAM,
195 	/* SQC range 2 */
196 	AMDGPU_RAS_BLOCK__GFX_SQC_INDEX2_START,
197 	AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKB_TAG_RAM =
198 		AMDGPU_RAS_BLOCK__GFX_SQC_INDEX2_START,
199 	AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKB_UTCL1_MISS_FIFO,
200 	AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKB_MISS_FIFO,
201 	AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKB_BANK_RAM,
202 	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKB_TAG_RAM,
203 	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKB_HIT_FIFO,
204 	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKB_MISS_FIFO,
205 	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKB_DIRTY_BIT_RAM,
206 	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKB_BANK_RAM,
207 	AMDGPU_RAS_BLOCK__GFX_SQC_INDEX2_END =
208 		AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKB_BANK_RAM,
209 	AMDGPU_RAS_BLOCK__GFX_SQC_INDEX_END =
210 		AMDGPU_RAS_BLOCK__GFX_SQC_INDEX2_END,
211 	/* TA */
212 	AMDGPU_RAS_BLOCK__GFX_TA_INDEX_START,
213 	AMDGPU_RAS_BLOCK__GFX_TA_FS_DFIFO =
214 		AMDGPU_RAS_BLOCK__GFX_TA_INDEX_START,
215 	AMDGPU_RAS_BLOCK__GFX_TA_FS_AFIFO,
216 	AMDGPU_RAS_BLOCK__GFX_TA_FL_LFIFO,
217 	AMDGPU_RAS_BLOCK__GFX_TA_FX_LFIFO,
218 	AMDGPU_RAS_BLOCK__GFX_TA_FS_CFIFO,
219 	AMDGPU_RAS_BLOCK__GFX_TA_INDEX_END = AMDGPU_RAS_BLOCK__GFX_TA_FS_CFIFO,
220 	/* TCA */
221 	AMDGPU_RAS_BLOCK__GFX_TCA_INDEX_START,
222 	AMDGPU_RAS_BLOCK__GFX_TCA_HOLE_FIFO =
223 		AMDGPU_RAS_BLOCK__GFX_TCA_INDEX_START,
224 	AMDGPU_RAS_BLOCK__GFX_TCA_REQ_FIFO,
225 	AMDGPU_RAS_BLOCK__GFX_TCA_INDEX_END =
226 		AMDGPU_RAS_BLOCK__GFX_TCA_REQ_FIFO,
227 	/* TCC (5 sub-ranges) */
228 	AMDGPU_RAS_BLOCK__GFX_TCC_INDEX_START,
229 	/* TCC range 0 */
230 	AMDGPU_RAS_BLOCK__GFX_TCC_INDEX0_START =
231 		AMDGPU_RAS_BLOCK__GFX_TCC_INDEX_START,
232 	AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_DATA =
233 		AMDGPU_RAS_BLOCK__GFX_TCC_INDEX0_START,
234 	AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_DATA_BANK_0_1,
235 	AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_DATA_BANK_1_0,
236 	AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_DATA_BANK_1_1,
237 	AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_DIRTY_BANK_0,
238 	AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_DIRTY_BANK_1,
239 	AMDGPU_RAS_BLOCK__GFX_TCC_HIGH_RATE_TAG,
240 	AMDGPU_RAS_BLOCK__GFX_TCC_LOW_RATE_TAG,
241 	AMDGPU_RAS_BLOCK__GFX_TCC_INDEX0_END =
242 		AMDGPU_RAS_BLOCK__GFX_TCC_LOW_RATE_TAG,
243 	/* TCC range 1 */
244 	AMDGPU_RAS_BLOCK__GFX_TCC_INDEX1_START,
245 	AMDGPU_RAS_BLOCK__GFX_TCC_IN_USE_DEC =
246 		AMDGPU_RAS_BLOCK__GFX_TCC_INDEX1_START,
247 	AMDGPU_RAS_BLOCK__GFX_TCC_IN_USE_TRANSFER,
248 	AMDGPU_RAS_BLOCK__GFX_TCC_INDEX1_END =
249 		AMDGPU_RAS_BLOCK__GFX_TCC_IN_USE_TRANSFER,
250 	/* TCC range 2 */
251 	AMDGPU_RAS_BLOCK__GFX_TCC_INDEX2_START,
252 	AMDGPU_RAS_BLOCK__GFX_TCC_RETURN_DATA =
253 		AMDGPU_RAS_BLOCK__GFX_TCC_INDEX2_START,
254 	AMDGPU_RAS_BLOCK__GFX_TCC_RETURN_CONTROL,
255 	AMDGPU_RAS_BLOCK__GFX_TCC_UC_ATOMIC_FIFO,
256 	AMDGPU_RAS_BLOCK__GFX_TCC_WRITE_RETURN,
257 	AMDGPU_RAS_BLOCK__GFX_TCC_WRITE_CACHE_READ,
258 	AMDGPU_RAS_BLOCK__GFX_TCC_SRC_FIFO,
259 	AMDGPU_RAS_BLOCK__GFX_TCC_SRC_FIFO_NEXT_RAM,
260 	AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_TAG_PROBE_FIFO,
261 	AMDGPU_RAS_BLOCK__GFX_TCC_INDEX2_END =
262 		AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_TAG_PROBE_FIFO,
263 	/* TCC range 3 */
264 	AMDGPU_RAS_BLOCK__GFX_TCC_INDEX3_START,
265 	AMDGPU_RAS_BLOCK__GFX_TCC_LATENCY_FIFO =
266 		AMDGPU_RAS_BLOCK__GFX_TCC_INDEX3_START,
267 	AMDGPU_RAS_BLOCK__GFX_TCC_LATENCY_FIFO_NEXT_RAM,
268 	AMDGPU_RAS_BLOCK__GFX_TCC_INDEX3_END =
269 		AMDGPU_RAS_BLOCK__GFX_TCC_LATENCY_FIFO_NEXT_RAM,
270 	/* TCC range 4 */
271 	AMDGPU_RAS_BLOCK__GFX_TCC_INDEX4_START,
272 	AMDGPU_RAS_BLOCK__GFX_TCC_WRRET_TAG_WRITE_RETURN =
273 		AMDGPU_RAS_BLOCK__GFX_TCC_INDEX4_START,
274 	AMDGPU_RAS_BLOCK__GFX_TCC_ATOMIC_RETURN_BUFFER,
275 	AMDGPU_RAS_BLOCK__GFX_TCC_INDEX4_END =
276 		AMDGPU_RAS_BLOCK__GFX_TCC_ATOMIC_RETURN_BUFFER,
277 	AMDGPU_RAS_BLOCK__GFX_TCC_INDEX_END =
278 		AMDGPU_RAS_BLOCK__GFX_TCC_INDEX4_END,
279 	/* TCI */
280 	AMDGPU_RAS_BLOCK__GFX_TCI_WRITE_RAM,
281 	/* TCP */
282 	AMDGPU_RAS_BLOCK__GFX_TCP_INDEX_START,
283 	AMDGPU_RAS_BLOCK__GFX_TCP_CACHE_RAM =
284 		AMDGPU_RAS_BLOCK__GFX_TCP_INDEX_START,
285 	AMDGPU_RAS_BLOCK__GFX_TCP_LFIFO_RAM,
286 	AMDGPU_RAS_BLOCK__GFX_TCP_CMD_FIFO,
287 	AMDGPU_RAS_BLOCK__GFX_TCP_VM_FIFO,
288 	AMDGPU_RAS_BLOCK__GFX_TCP_DB_RAM,
289 	AMDGPU_RAS_BLOCK__GFX_TCP_UTCL1_LFIFO0,
290 	AMDGPU_RAS_BLOCK__GFX_TCP_UTCL1_LFIFO1,
291 	AMDGPU_RAS_BLOCK__GFX_TCP_INDEX_END =
292 		AMDGPU_RAS_BLOCK__GFX_TCP_UTCL1_LFIFO1,
293 	/* TD */
294 	AMDGPU_RAS_BLOCK__GFX_TD_INDEX_START,
295 	AMDGPU_RAS_BLOCK__GFX_TD_SS_FIFO_LO =
296 		AMDGPU_RAS_BLOCK__GFX_TD_INDEX_START,
297 	AMDGPU_RAS_BLOCK__GFX_TD_SS_FIFO_HI,
298 	AMDGPU_RAS_BLOCK__GFX_TD_CS_FIFO,
299 	AMDGPU_RAS_BLOCK__GFX_TD_INDEX_END = AMDGPU_RAS_BLOCK__GFX_TD_CS_FIFO,
300 	/* EA (3 sub-ranges) */
301 	AMDGPU_RAS_BLOCK__GFX_EA_INDEX_START,
302 	/* EA range 0 */
303 	AMDGPU_RAS_BLOCK__GFX_EA_INDEX0_START =
304 		AMDGPU_RAS_BLOCK__GFX_EA_INDEX_START,
305 	AMDGPU_RAS_BLOCK__GFX_EA_DRAMRD_CMDMEM =
306 		AMDGPU_RAS_BLOCK__GFX_EA_INDEX0_START,
307 	AMDGPU_RAS_BLOCK__GFX_EA_DRAMWR_CMDMEM,
308 	AMDGPU_RAS_BLOCK__GFX_EA_DRAMWR_DATAMEM,
309 	AMDGPU_RAS_BLOCK__GFX_EA_RRET_TAGMEM,
310 	AMDGPU_RAS_BLOCK__GFX_EA_WRET_TAGMEM,
311 	AMDGPU_RAS_BLOCK__GFX_EA_GMIRD_CMDMEM,
312 	AMDGPU_RAS_BLOCK__GFX_EA_GMIWR_CMDMEM,
313 	AMDGPU_RAS_BLOCK__GFX_EA_GMIWR_DATAMEM,
314 	AMDGPU_RAS_BLOCK__GFX_EA_INDEX0_END =
315 		AMDGPU_RAS_BLOCK__GFX_EA_GMIWR_DATAMEM,
316 	/* EA range 1 */
317 	AMDGPU_RAS_BLOCK__GFX_EA_INDEX1_START,
318 	AMDGPU_RAS_BLOCK__GFX_EA_DRAMRD_PAGEMEM =
319 		AMDGPU_RAS_BLOCK__GFX_EA_INDEX1_START,
320 	AMDGPU_RAS_BLOCK__GFX_EA_DRAMWR_PAGEMEM,
321 	AMDGPU_RAS_BLOCK__GFX_EA_IORD_CMDMEM,
322 	AMDGPU_RAS_BLOCK__GFX_EA_IOWR_CMDMEM,
323 	AMDGPU_RAS_BLOCK__GFX_EA_IOWR_DATAMEM,
324 	AMDGPU_RAS_BLOCK__GFX_EA_GMIRD_PAGEMEM,
325 	AMDGPU_RAS_BLOCK__GFX_EA_GMIWR_PAGEMEM,
326 	AMDGPU_RAS_BLOCK__GFX_EA_INDEX1_END =
327 		AMDGPU_RAS_BLOCK__GFX_EA_GMIWR_PAGEMEM,
328 	/* EA range 2 */
329 	AMDGPU_RAS_BLOCK__GFX_EA_INDEX2_START,
330 	AMDGPU_RAS_BLOCK__GFX_EA_MAM_D0MEM =
331 		AMDGPU_RAS_BLOCK__GFX_EA_INDEX2_START,
332 	AMDGPU_RAS_BLOCK__GFX_EA_MAM_D1MEM,
333 	AMDGPU_RAS_BLOCK__GFX_EA_MAM_D2MEM,
334 	AMDGPU_RAS_BLOCK__GFX_EA_MAM_D3MEM,
335 	AMDGPU_RAS_BLOCK__GFX_EA_INDEX2_END =
336 		AMDGPU_RAS_BLOCK__GFX_EA_MAM_D3MEM,
337 	AMDGPU_RAS_BLOCK__GFX_EA_INDEX_END =
338 		AMDGPU_RAS_BLOCK__GFX_EA_INDEX2_END,
339 	/* UTC VM L2 bank */
340 	AMDGPU_RAS_BLOCK__UTC_VML2_BANK_CACHE,
341 	/* UTC VM walker */
342 	AMDGPU_RAS_BLOCK__UTC_VML2_WALKER,
343 	/* UTC ATC L2 2MB cache */
344 	AMDGPU_RAS_BLOCK__UTC_ATCL2_CACHE_2M_BANK,
345 	/* UTC ATC L2 4KB cache */
346 	AMDGPU_RAS_BLOCK__UTC_ATCL2_CACHE_4K_BANK,
347 	AMDGPU_RAS_BLOCK__GFX_MAX
348 };
349 
350 enum amdgpu_ras_error_type {
351 	AMDGPU_RAS_ERROR__NONE							= 0,
352 	AMDGPU_RAS_ERROR__PARITY						= 1,
353 	AMDGPU_RAS_ERROR__SINGLE_CORRECTABLE					= 2,
354 	AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE					= 4,
355 	AMDGPU_RAS_ERROR__POISON						= 8,
356 };
357 
358 enum amdgpu_ras_ret {
359 	AMDGPU_RAS_SUCCESS = 0,
360 	AMDGPU_RAS_FAIL,
361 	AMDGPU_RAS_UE,
362 	AMDGPU_RAS_CE,
363 	AMDGPU_RAS_PT,
364 };
365 
366 enum amdgpu_ras_error_query_mode {
367 	AMDGPU_RAS_INVALID_ERROR_QUERY		= 0,
368 	AMDGPU_RAS_DIRECT_ERROR_QUERY		= 1,
369 	AMDGPU_RAS_FIRMWARE_ERROR_QUERY		= 2,
370 	AMDGPU_RAS_VIRT_ERROR_COUNT_QUERY	= 3,
371 };
372 
373 /* ras error status reisger fields */
374 #define ERR_STATUS_LO__ERR_STATUS_VALID_FLAG__SHIFT	0x0
375 #define ERR_STATUS_LO__ERR_STATUS_VALID_FLAG_MASK	0x00000001L
376 #define ERR_STATUS_LO__MEMORY_ID__SHIFT			0x18
377 #define ERR_STATUS_LO__MEMORY_ID_MASK			0xFF000000L
378 #define ERR_STATUS_HI__ERR_INFO_VALID_FLAG__SHIFT	0x2
379 #define ERR_STATUS_HI__ERR_INFO_VALID_FLAG_MASK		0x00000004L
380 #define ERR_STATUS__ERR_CNT__SHIFT			0x17
381 #define ERR_STATUS__ERR_CNT_MASK			0x03800000L
382 
383 #define AMDGPU_RAS_REG_ENTRY(ip, inst, reg_lo, reg_hi) \
384 	ip##_HWIP, inst, reg_lo##_BASE_IDX, reg_lo, reg_hi##_BASE_IDX, reg_hi
385 
386 #define AMDGPU_RAS_REG_ENTRY_OFFSET(hwip, ip_inst, segment, reg) \
387 	(adev->reg_offset[hwip][ip_inst][segment] + (reg))
388 
389 #define AMDGPU_RAS_ERR_INFO_VALID	(1 << 0)
390 #define AMDGPU_RAS_ERR_STATUS_VALID	(1 << 1)
391 #define AMDGPU_RAS_ERR_ADDRESS_VALID	(1 << 2)
392 
393 #define AMDGPU_RAS_GPU_RESET_MODE2_RESET  (0x1 << 0)
394 #define AMDGPU_RAS_GPU_RESET_MODE1_RESET  (0x1 << 1)
395 
396 struct amdgpu_ras_err_status_reg_entry {
397 	uint32_t hwip;
398 	uint32_t ip_inst;
399 	uint32_t seg_lo;
400 	uint32_t reg_lo;
401 	uint32_t seg_hi;
402 	uint32_t reg_hi;
403 	uint32_t reg_inst;
404 	uint32_t flags;
405 	const char *block_name;
406 };
407 
408 struct amdgpu_ras_memory_id_entry {
409 	uint32_t memory_id;
410 	const char *name;
411 };
412 
413 struct ras_common_if {
414 	enum amdgpu_ras_block block;
415 	enum amdgpu_ras_error_type type;
416 	uint32_t sub_block_index;
417 	char name[32];
418 };
419 
420 #define MAX_UMC_CHANNEL_NUM 32
421 
422 struct ecc_info_per_ch {
423 	uint16_t ce_count_lo_chip;
424 	uint16_t ce_count_hi_chip;
425 	uint64_t mca_umc_status;
426 	uint64_t mca_umc_addr;
427 	uint64_t mca_ceumc_addr;
428 };
429 
430 struct umc_ecc_info {
431 	struct ecc_info_per_ch ecc[MAX_UMC_CHANNEL_NUM];
432 
433 	/* Determine smu ecctable whether support
434 	 * record correctable error address
435 	 */
436 	int record_ce_addr_supported;
437 };
438 
439 enum ras_event_type {
440 	RAS_EVENT_TYPE_INVALID = 0,
441 	RAS_EVENT_TYPE_FATAL,
442 	RAS_EVENT_TYPE_POISON_CREATION,
443 	RAS_EVENT_TYPE_POISON_CONSUMPTION,
444 	RAS_EVENT_TYPE_COUNT,
445 };
446 
447 struct ras_event_state {
448 	u64 last_seqno;
449 	atomic64_t count;
450 };
451 
452 struct ras_event_manager {
453 	atomic64_t seqno;
454 	struct ras_event_state event_state[RAS_EVENT_TYPE_COUNT];
455 };
456 
457 struct ras_event_id {
458 	enum ras_event_type type;
459 	u64 event_id;
460 };
461 
462 struct ras_query_context {
463 	struct ras_event_id evid;
464 };
465 
466 typedef int (*pasid_notify)(struct amdgpu_device *adev,
467 		uint16_t pasid, void *data);
468 
469 struct ras_poison_msg {
470 	enum amdgpu_ras_block block;
471 	uint16_t pasid;
472 	uint32_t reset;
473 	pasid_notify pasid_fn;
474 	void *data;
475 };
476 
477 struct ras_err_pages {
478 	uint32_t count;
479 	uint64_t *pfn;
480 };
481 
482 struct ras_ecc_err {
483 	uint64_t status;
484 	uint64_t ipid;
485 	uint64_t addr;
486 	uint64_t pa_pfn;
487 	/* save global channel index across all UMC instances */
488 	uint32_t channel_idx;
489 	struct ras_err_pages err_pages;
490 };
491 
492 struct ras_ecc_log_info {
493 	struct mutex lock;
494 	struct radix_tree_root de_page_tree;
495 	uint64_t	de_queried_count;
496 	uint64_t	prev_de_queried_count;
497 };
498 
499 struct amdgpu_ras {
500 	/* ras infrastructure */
501 	/* for ras itself. */
502 	uint32_t features;
503 	uint32_t schema;
504 	struct list_head head;
505 	/* sysfs */
506 	struct device_attribute features_attr;
507 	struct device_attribute version_attr;
508 	struct device_attribute schema_attr;
509 	struct device_attribute event_state_attr;
510 	struct bin_attribute badpages_attr;
511 	struct dentry *de_ras_eeprom_table;
512 	/* block array */
513 	struct ras_manager *objs;
514 
515 	/* gpu recovery */
516 	struct work_struct recovery_work;
517 	atomic_t in_recovery;
518 	struct amdgpu_device *adev;
519 	/* error handler data */
520 	struct ras_err_handler_data *eh_data;
521 	struct mutex recovery_lock;
522 
523 	uint32_t flags;
524 	bool reboot;
525 	struct amdgpu_ras_eeprom_control eeprom_control;
526 
527 	bool error_query_ready;
528 
529 	/* bad page count threshold */
530 	uint32_t bad_page_cnt_threshold;
531 
532 	/* disable ras error count harvest in recovery */
533 	bool disable_ras_err_cnt_harvest;
534 
535 	/* is poison mode supported */
536 	bool poison_supported;
537 
538 	/* RAS count errors delayed work */
539 	struct delayed_work ras_counte_delay_work;
540 	atomic_t ras_ue_count;
541 	atomic_t ras_ce_count;
542 
543 	/* record umc error info queried from smu */
544 	struct umc_ecc_info umc_ecc;
545 
546 	/* Indicates smu whether need update bad channel info */
547 	bool update_channel_flag;
548 	/* Record status of smu mca debug mode */
549 	bool is_aca_debug_mode;
550 	bool is_rma;
551 
552 	/* Record special requirements of gpu reset caller */
553 	uint32_t  gpu_reset_flags;
554 
555 	struct task_struct *page_retirement_thread;
556 	wait_queue_head_t page_retirement_wq;
557 	struct mutex page_retirement_lock;
558 	atomic_t page_retirement_req_cnt;
559 	atomic_t poison_creation_count;
560 	struct mutex page_rsv_lock;
561 	DECLARE_KFIFO(poison_fifo, struct ras_poison_msg, 128);
562 	struct ras_ecc_log_info  umc_ecc_log;
563 	struct delayed_work page_retirement_dwork;
564 
565 	/* ras errors detected */
566 	unsigned long ras_err_state;
567 
568 	/* RAS event manager */
569 	struct ras_event_manager __event_mgr;
570 	struct ras_event_manager *event_mgr;
571 
572 	uint64_t reserved_pages_in_bytes;
573 };
574 
575 struct ras_fs_data {
576 	char sysfs_name[48];
577 	char debugfs_name[32];
578 };
579 
580 struct ras_err_info {
581 	struct amdgpu_smuio_mcm_config_info mcm_info;
582 	u64 ce_count;
583 	u64 ue_count;
584 	u64 de_count;
585 };
586 
587 struct ras_err_node {
588 	struct list_head node;
589 	struct ras_err_info err_info;
590 };
591 
592 struct ras_err_data {
593 	unsigned long ue_count;
594 	unsigned long ce_count;
595 	unsigned long de_count;
596 	unsigned long err_addr_cnt;
597 	struct eeprom_table_record *err_addr;
598 	unsigned long err_addr_len;
599 	u32 err_list_count;
600 	struct list_head err_node_list;
601 };
602 
603 #define for_each_ras_error(err_node, err_data) \
604 	list_for_each_entry(err_node, &(err_data)->err_node_list, node)
605 
606 struct ras_err_handler_data {
607 	/* point to bad page records array */
608 	struct eeprom_table_record *bps;
609 	/* the count of entries */
610 	int count;
611 	/* the space can place new entries */
612 	int space_left;
613 };
614 
615 typedef int (*ras_ih_cb)(struct amdgpu_device *adev,
616 		void *err_data,
617 		struct amdgpu_iv_entry *entry);
618 
619 struct ras_ih_data {
620 	/* interrupt bottom half */
621 	struct work_struct ih_work;
622 	int inuse;
623 	/* IP callback */
624 	ras_ih_cb cb;
625 	/* full of entries */
626 	unsigned char *ring;
627 	unsigned int ring_size;
628 	unsigned int element_size;
629 	unsigned int aligned_element_size;
630 	unsigned int rptr;
631 	unsigned int wptr;
632 };
633 
634 struct ras_manager {
635 	struct ras_common_if head;
636 	/* reference count */
637 	int use;
638 	/* ras block link */
639 	struct list_head node;
640 	/* the device */
641 	struct amdgpu_device *adev;
642 	/* sysfs */
643 	struct device_attribute sysfs_attr;
644 	int attr_inuse;
645 
646 	/* fs node name */
647 	struct ras_fs_data fs_data;
648 
649 	/* IH data */
650 	struct ras_ih_data ih_data;
651 
652 	struct ras_err_data err_data;
653 
654 	struct aca_handle aca_handle;
655 };
656 
657 struct ras_badpage {
658 	unsigned int bp;
659 	unsigned int size;
660 	unsigned int flags;
661 };
662 
663 /* interfaces for IP */
664 struct ras_fs_if {
665 	struct ras_common_if head;
666 	const char* sysfs_name;
667 	char debugfs_name[32];
668 };
669 
670 struct ras_query_if {
671 	struct ras_common_if head;
672 	unsigned long ue_count;
673 	unsigned long ce_count;
674 	unsigned long de_count;
675 };
676 
677 struct ras_inject_if {
678 	struct ras_common_if head;
679 	uint64_t address;
680 	uint64_t value;
681 	uint32_t instance_mask;
682 };
683 
684 struct ras_cure_if {
685 	struct ras_common_if head;
686 	uint64_t address;
687 };
688 
689 struct ras_ih_if {
690 	struct ras_common_if head;
691 	ras_ih_cb cb;
692 };
693 
694 struct ras_dispatch_if {
695 	struct ras_common_if head;
696 	struct amdgpu_iv_entry *entry;
697 };
698 
699 struct ras_debug_if {
700 	union {
701 		struct ras_common_if head;
702 		struct ras_inject_if inject;
703 	};
704 	int op;
705 };
706 
707 struct amdgpu_ras_block_object {
708 	struct ras_common_if  ras_comm;
709 
710 	int (*ras_block_match)(struct amdgpu_ras_block_object *block_obj,
711 				enum amdgpu_ras_block block, uint32_t sub_block_index);
712 	int (*ras_late_init)(struct amdgpu_device *adev, struct ras_common_if *ras_block);
713 	void (*ras_fini)(struct amdgpu_device *adev, struct ras_common_if *ras_block);
714 	ras_ih_cb ras_cb;
715 	const struct amdgpu_ras_block_hw_ops *hw_ops;
716 };
717 
718 struct amdgpu_ras_block_hw_ops {
719 	int  (*ras_error_inject)(struct amdgpu_device *adev,
720 			void *inject_if, uint32_t instance_mask);
721 	void (*query_ras_error_count)(struct amdgpu_device *adev, void *ras_error_status);
722 	void (*query_ras_error_status)(struct amdgpu_device *adev);
723 	void (*query_ras_error_address)(struct amdgpu_device *adev, void *ras_error_status);
724 	void (*reset_ras_error_count)(struct amdgpu_device *adev);
725 	void (*reset_ras_error_status)(struct amdgpu_device *adev);
726 	bool (*query_poison_status)(struct amdgpu_device *adev);
727 	bool (*handle_poison_consumption)(struct amdgpu_device *adev);
728 };
729 
730 /* work flow
731  * vbios
732  * 1: ras feature enable (enabled by default)
733  * psp
734  * 2: ras framework init (in ip_init)
735  * IP
736  * 3: IH add
737  * 4: debugfs/sysfs create
738  * 5: query/inject
739  * 6: debugfs/sysfs remove
740  * 7: IH remove
741  * 8: feature disable
742  */
743 
744 int amdgpu_ras_init_badpage_info(struct amdgpu_device *adev);
745 int amdgpu_ras_recovery_init(struct amdgpu_device *adev, bool init_bp_info);
746 
747 void amdgpu_ras_resume(struct amdgpu_device *adev);
748 void amdgpu_ras_suspend(struct amdgpu_device *adev);
749 
750 int amdgpu_ras_query_error_count(struct amdgpu_device *adev,
751 				 unsigned long *ce_count,
752 				 unsigned long *ue_count,
753 				 struct ras_query_if *query_info);
754 
755 /* error handling functions */
756 int amdgpu_ras_add_bad_pages(struct amdgpu_device *adev,
757 		struct eeprom_table_record *bps, int pages, bool from_rom);
758 
759 int amdgpu_ras_save_bad_pages(struct amdgpu_device *adev,
760 		unsigned long *new_cnt);
761 
762 static inline enum ta_ras_block
amdgpu_ras_block_to_ta(enum amdgpu_ras_block block)763 amdgpu_ras_block_to_ta(enum amdgpu_ras_block block) {
764 	switch (block) {
765 	case AMDGPU_RAS_BLOCK__UMC:
766 		return TA_RAS_BLOCK__UMC;
767 	case AMDGPU_RAS_BLOCK__SDMA:
768 		return TA_RAS_BLOCK__SDMA;
769 	case AMDGPU_RAS_BLOCK__GFX:
770 		return TA_RAS_BLOCK__GFX;
771 	case AMDGPU_RAS_BLOCK__MMHUB:
772 		return TA_RAS_BLOCK__MMHUB;
773 	case AMDGPU_RAS_BLOCK__ATHUB:
774 		return TA_RAS_BLOCK__ATHUB;
775 	case AMDGPU_RAS_BLOCK__PCIE_BIF:
776 		return TA_RAS_BLOCK__PCIE_BIF;
777 	case AMDGPU_RAS_BLOCK__HDP:
778 		return TA_RAS_BLOCK__HDP;
779 	case AMDGPU_RAS_BLOCK__XGMI_WAFL:
780 		return TA_RAS_BLOCK__XGMI_WAFL;
781 	case AMDGPU_RAS_BLOCK__DF:
782 		return TA_RAS_BLOCK__DF;
783 	case AMDGPU_RAS_BLOCK__SMN:
784 		return TA_RAS_BLOCK__SMN;
785 	case AMDGPU_RAS_BLOCK__SEM:
786 		return TA_RAS_BLOCK__SEM;
787 	case AMDGPU_RAS_BLOCK__MP0:
788 		return TA_RAS_BLOCK__MP0;
789 	case AMDGPU_RAS_BLOCK__MP1:
790 		return TA_RAS_BLOCK__MP1;
791 	case AMDGPU_RAS_BLOCK__FUSE:
792 		return TA_RAS_BLOCK__FUSE;
793 	case AMDGPU_RAS_BLOCK__MCA:
794 		return TA_RAS_BLOCK__MCA;
795 	case AMDGPU_RAS_BLOCK__VCN:
796 		return TA_RAS_BLOCK__VCN;
797 	case AMDGPU_RAS_BLOCK__JPEG:
798 		return TA_RAS_BLOCK__JPEG;
799 	case AMDGPU_RAS_BLOCK__IH:
800 		return TA_RAS_BLOCK__IH;
801 	case AMDGPU_RAS_BLOCK__MPIO:
802 		return TA_RAS_BLOCK__MPIO;
803 	case AMDGPU_RAS_BLOCK__MMSCH:
804 		return TA_RAS_BLOCK__MMSCH;
805 	default:
806 		WARN_ONCE(1, "RAS ERROR: unexpected block id %d\n", block);
807 		return TA_RAS_BLOCK__UMC;
808 	}
809 }
810 
811 static inline enum ta_ras_error_type
amdgpu_ras_error_to_ta(enum amdgpu_ras_error_type error)812 amdgpu_ras_error_to_ta(enum amdgpu_ras_error_type error) {
813 	switch (error) {
814 	case AMDGPU_RAS_ERROR__NONE:
815 		return TA_RAS_ERROR__NONE;
816 	case AMDGPU_RAS_ERROR__PARITY:
817 		return TA_RAS_ERROR__PARITY;
818 	case AMDGPU_RAS_ERROR__SINGLE_CORRECTABLE:
819 		return TA_RAS_ERROR__SINGLE_CORRECTABLE;
820 	case AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE:
821 		return TA_RAS_ERROR__MULTI_UNCORRECTABLE;
822 	case AMDGPU_RAS_ERROR__POISON:
823 		return TA_RAS_ERROR__POISON;
824 	default:
825 		WARN_ONCE(1, "RAS ERROR: unexpected error type %d\n", error);
826 		return TA_RAS_ERROR__NONE;
827 	}
828 }
829 
830 /* called in ip_init and ip_fini */
831 int amdgpu_ras_init(struct amdgpu_device *adev);
832 int amdgpu_ras_late_init(struct amdgpu_device *adev);
833 int amdgpu_ras_fini(struct amdgpu_device *adev);
834 int amdgpu_ras_pre_fini(struct amdgpu_device *adev);
835 
836 int amdgpu_ras_block_late_init(struct amdgpu_device *adev,
837 			struct ras_common_if *ras_block);
838 
839 void amdgpu_ras_block_late_fini(struct amdgpu_device *adev,
840 			  struct ras_common_if *ras_block);
841 
842 int amdgpu_ras_feature_enable(struct amdgpu_device *adev,
843 		struct ras_common_if *head, bool enable);
844 
845 int amdgpu_ras_feature_enable_on_boot(struct amdgpu_device *adev,
846 		struct ras_common_if *head, bool enable);
847 
848 int amdgpu_ras_sysfs_create(struct amdgpu_device *adev,
849 		struct ras_common_if *head);
850 
851 int amdgpu_ras_sysfs_remove(struct amdgpu_device *adev,
852 		struct ras_common_if *head);
853 
854 void amdgpu_ras_debugfs_create_all(struct amdgpu_device *adev);
855 
856 int amdgpu_ras_query_error_status(struct amdgpu_device *adev,
857 		struct ras_query_if *info);
858 
859 int amdgpu_ras_reset_error_count(struct amdgpu_device *adev,
860 		enum amdgpu_ras_block block);
861 int amdgpu_ras_reset_error_status(struct amdgpu_device *adev,
862 		enum amdgpu_ras_block block);
863 
864 int amdgpu_ras_error_inject(struct amdgpu_device *adev,
865 		struct ras_inject_if *info);
866 
867 int amdgpu_ras_interrupt_add_handler(struct amdgpu_device *adev,
868 		struct ras_common_if *head);
869 
870 int amdgpu_ras_interrupt_remove_handler(struct amdgpu_device *adev,
871 		struct ras_common_if *head);
872 
873 int amdgpu_ras_interrupt_dispatch(struct amdgpu_device *adev,
874 		struct ras_dispatch_if *info);
875 
876 struct ras_manager *amdgpu_ras_find_obj(struct amdgpu_device *adev,
877 		struct ras_common_if *head);
878 
879 extern atomic_t amdgpu_ras_in_intr;
880 
amdgpu_ras_intr_triggered(void)881 static inline bool amdgpu_ras_intr_triggered(void)
882 {
883 	return !!atomic_read(&amdgpu_ras_in_intr);
884 }
885 
amdgpu_ras_intr_cleared(void)886 static inline void amdgpu_ras_intr_cleared(void)
887 {
888 	atomic_set(&amdgpu_ras_in_intr, 0);
889 }
890 
891 void amdgpu_ras_global_ras_isr(struct amdgpu_device *adev);
892 
893 void amdgpu_ras_set_error_query_ready(struct amdgpu_device *adev, bool ready);
894 
895 bool amdgpu_ras_need_emergency_restart(struct amdgpu_device *adev);
896 
897 void amdgpu_release_ras_context(struct amdgpu_device *adev);
898 
899 int amdgpu_persistent_edc_harvesting_supported(struct amdgpu_device *adev);
900 
901 const char *get_ras_block_str(struct ras_common_if *ras_block);
902 
903 bool amdgpu_ras_is_poison_mode_supported(struct amdgpu_device *adev);
904 
905 int amdgpu_ras_is_supported(struct amdgpu_device *adev, unsigned int block);
906 
907 int amdgpu_ras_reset_gpu(struct amdgpu_device *adev);
908 
909 struct amdgpu_ras* amdgpu_ras_get_context(struct amdgpu_device *adev);
910 
911 int amdgpu_ras_set_context(struct amdgpu_device *adev, struct amdgpu_ras *ras_con);
912 
913 int amdgpu_ras_set_mca_debug_mode(struct amdgpu_device *adev, bool enable);
914 int amdgpu_ras_set_aca_debug_mode(struct amdgpu_device *adev, bool enable);
915 bool amdgpu_ras_get_aca_debug_mode(struct amdgpu_device *adev);
916 bool amdgpu_ras_get_error_query_mode(struct amdgpu_device *adev,
917 				     unsigned int *mode);
918 
919 int amdgpu_ras_register_ras_block(struct amdgpu_device *adev,
920 				struct amdgpu_ras_block_object *ras_block_obj);
921 void amdgpu_ras_interrupt_fatal_error_handler(struct amdgpu_device *adev);
922 void amdgpu_ras_get_error_type_name(uint32_t err_type, char *err_type_name);
923 bool amdgpu_ras_inst_get_memory_id_field(struct amdgpu_device *adev,
924 					 const struct amdgpu_ras_err_status_reg_entry *reg_entry,
925 					 uint32_t instance,
926 					 uint32_t *memory_id);
927 bool amdgpu_ras_inst_get_err_cnt_field(struct amdgpu_device *adev,
928 				       const struct amdgpu_ras_err_status_reg_entry *reg_entry,
929 				       uint32_t instance,
930 				       unsigned long *err_cnt);
931 void amdgpu_ras_inst_query_ras_error_count(struct amdgpu_device *adev,
932 					   const struct amdgpu_ras_err_status_reg_entry *reg_list,
933 					   uint32_t reg_list_size,
934 					   const struct amdgpu_ras_memory_id_entry *mem_list,
935 					   uint32_t mem_list_size,
936 					   uint32_t instance,
937 					   uint32_t err_type,
938 					   unsigned long *err_count);
939 void amdgpu_ras_inst_reset_ras_error_count(struct amdgpu_device *adev,
940 					   const struct amdgpu_ras_err_status_reg_entry *reg_list,
941 					   uint32_t reg_list_size,
942 					   uint32_t instance);
943 
944 int amdgpu_ras_error_data_init(struct ras_err_data *err_data);
945 void amdgpu_ras_error_data_fini(struct ras_err_data *err_data);
946 int amdgpu_ras_error_statistic_ce_count(struct ras_err_data *err_data,
947 					struct amdgpu_smuio_mcm_config_info *mcm_info,
948 					u64 count);
949 int amdgpu_ras_error_statistic_ue_count(struct ras_err_data *err_data,
950 					struct amdgpu_smuio_mcm_config_info *mcm_info,
951 					u64 count);
952 int amdgpu_ras_error_statistic_de_count(struct ras_err_data *err_data,
953 					struct amdgpu_smuio_mcm_config_info *mcm_info,
954 					u64 count);
955 void amdgpu_ras_query_boot_status(struct amdgpu_device *adev, u32 num_instances);
956 int amdgpu_ras_bind_aca(struct amdgpu_device *adev, enum amdgpu_ras_block blk,
957 			       const struct aca_info *aca_info, void *data);
958 int amdgpu_ras_unbind_aca(struct amdgpu_device *adev, enum amdgpu_ras_block blk);
959 
960 ssize_t amdgpu_ras_aca_sysfs_read(struct device *dev, struct device_attribute *attr,
961 				  struct aca_handle *handle, char *buf, void *data);
962 
963 void amdgpu_ras_set_fed(struct amdgpu_device *adev, bool status);
964 bool amdgpu_ras_get_fed_status(struct amdgpu_device *adev);
965 void amdgpu_ras_set_err_poison(struct amdgpu_device *adev,
966 			       enum amdgpu_ras_block block);
967 void amdgpu_ras_clear_err_state(struct amdgpu_device *adev);
968 bool amdgpu_ras_is_err_state(struct amdgpu_device *adev, int block);
969 
970 u64 amdgpu_ras_acquire_event_id(struct amdgpu_device *adev, enum ras_event_type type);
971 int amdgpu_ras_mark_ras_event_caller(struct amdgpu_device *adev, enum ras_event_type type,
972 				     const void *caller);
973 
974 int amdgpu_ras_reserve_page(struct amdgpu_device *adev, uint64_t pfn);
975 
976 int amdgpu_ras_put_poison_req(struct amdgpu_device *adev,
977 		enum amdgpu_ras_block block, uint16_t pasid,
978 		pasid_notify pasid_fn, void *data, uint32_t reset);
979 
980 bool amdgpu_ras_in_recovery(struct amdgpu_device *adev);
981 
982 __printf(3, 4)
983 void amdgpu_ras_event_log_print(struct amdgpu_device *adev, u64 event_id,
984 				const char *fmt, ...);
985 
986 bool amdgpu_ras_is_rma(struct amdgpu_device *adev);
987 #endif
988