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 "amdgpu.h"
30 #include "amdgpu_psp.h"
31 #include "ta_ras_if.h"
32 #include "amdgpu_ras_eeprom.h"
33 
34 #define AMDGPU_RAS_FLAG_INIT_BY_VBIOS		(0x1 << 0)
35 #define AMDGPU_RAS_FLAG_INIT_NEED_RESET		(0x1 << 1)
36 
37 enum amdgpu_ras_block {
38 	AMDGPU_RAS_BLOCK__UMC = 0,
39 	AMDGPU_RAS_BLOCK__SDMA,
40 	AMDGPU_RAS_BLOCK__GFX,
41 	AMDGPU_RAS_BLOCK__MMHUB,
42 	AMDGPU_RAS_BLOCK__ATHUB,
43 	AMDGPU_RAS_BLOCK__PCIE_BIF,
44 	AMDGPU_RAS_BLOCK__HDP,
45 	AMDGPU_RAS_BLOCK__XGMI_WAFL,
46 	AMDGPU_RAS_BLOCK__DF,
47 	AMDGPU_RAS_BLOCK__SMN,
48 	AMDGPU_RAS_BLOCK__SEM,
49 	AMDGPU_RAS_BLOCK__MP0,
50 	AMDGPU_RAS_BLOCK__MP1,
51 	AMDGPU_RAS_BLOCK__FUSE,
52 	AMDGPU_RAS_BLOCK__MPIO,
53 
54 	AMDGPU_RAS_BLOCK__LAST
55 };
56 
57 extern const char *ras_block_string[];
58 
59 #define ras_block_str(i) (ras_block_string[i])
60 #define AMDGPU_RAS_BLOCK_COUNT	AMDGPU_RAS_BLOCK__LAST
61 #define AMDGPU_RAS_BLOCK_MASK	((1ULL << AMDGPU_RAS_BLOCK_COUNT) - 1)
62 
63 enum amdgpu_ras_gfx_subblock {
64 	/* CPC */
65 	AMDGPU_RAS_BLOCK__GFX_CPC_INDEX_START = 0,
66 	AMDGPU_RAS_BLOCK__GFX_CPC_SCRATCH =
67 		AMDGPU_RAS_BLOCK__GFX_CPC_INDEX_START,
68 	AMDGPU_RAS_BLOCK__GFX_CPC_UCODE,
69 	AMDGPU_RAS_BLOCK__GFX_DC_STATE_ME1,
70 	AMDGPU_RAS_BLOCK__GFX_DC_CSINVOC_ME1,
71 	AMDGPU_RAS_BLOCK__GFX_DC_RESTORE_ME1,
72 	AMDGPU_RAS_BLOCK__GFX_DC_STATE_ME2,
73 	AMDGPU_RAS_BLOCK__GFX_DC_CSINVOC_ME2,
74 	AMDGPU_RAS_BLOCK__GFX_DC_RESTORE_ME2,
75 	AMDGPU_RAS_BLOCK__GFX_CPC_INDEX_END =
76 		AMDGPU_RAS_BLOCK__GFX_DC_RESTORE_ME2,
77 	/* CPF */
78 	AMDGPU_RAS_BLOCK__GFX_CPF_INDEX_START,
79 	AMDGPU_RAS_BLOCK__GFX_CPF_ROQ_ME2 =
80 		AMDGPU_RAS_BLOCK__GFX_CPF_INDEX_START,
81 	AMDGPU_RAS_BLOCK__GFX_CPF_ROQ_ME1,
82 	AMDGPU_RAS_BLOCK__GFX_CPF_TAG,
83 	AMDGPU_RAS_BLOCK__GFX_CPF_INDEX_END = AMDGPU_RAS_BLOCK__GFX_CPF_TAG,
84 	/* CPG */
85 	AMDGPU_RAS_BLOCK__GFX_CPG_INDEX_START,
86 	AMDGPU_RAS_BLOCK__GFX_CPG_DMA_ROQ =
87 		AMDGPU_RAS_BLOCK__GFX_CPG_INDEX_START,
88 	AMDGPU_RAS_BLOCK__GFX_CPG_DMA_TAG,
89 	AMDGPU_RAS_BLOCK__GFX_CPG_TAG,
90 	AMDGPU_RAS_BLOCK__GFX_CPG_INDEX_END = AMDGPU_RAS_BLOCK__GFX_CPG_TAG,
91 	/* GDS */
92 	AMDGPU_RAS_BLOCK__GFX_GDS_INDEX_START,
93 	AMDGPU_RAS_BLOCK__GFX_GDS_MEM = AMDGPU_RAS_BLOCK__GFX_GDS_INDEX_START,
94 	AMDGPU_RAS_BLOCK__GFX_GDS_INPUT_QUEUE,
95 	AMDGPU_RAS_BLOCK__GFX_GDS_OA_PHY_CMD_RAM_MEM,
96 	AMDGPU_RAS_BLOCK__GFX_GDS_OA_PHY_DATA_RAM_MEM,
97 	AMDGPU_RAS_BLOCK__GFX_GDS_OA_PIPE_MEM,
98 	AMDGPU_RAS_BLOCK__GFX_GDS_INDEX_END =
99 		AMDGPU_RAS_BLOCK__GFX_GDS_OA_PIPE_MEM,
100 	/* SPI */
101 	AMDGPU_RAS_BLOCK__GFX_SPI_SR_MEM,
102 	/* SQ */
103 	AMDGPU_RAS_BLOCK__GFX_SQ_INDEX_START,
104 	AMDGPU_RAS_BLOCK__GFX_SQ_SGPR = AMDGPU_RAS_BLOCK__GFX_SQ_INDEX_START,
105 	AMDGPU_RAS_BLOCK__GFX_SQ_LDS_D,
106 	AMDGPU_RAS_BLOCK__GFX_SQ_LDS_I,
107 	AMDGPU_RAS_BLOCK__GFX_SQ_VGPR,
108 	AMDGPU_RAS_BLOCK__GFX_SQ_INDEX_END = AMDGPU_RAS_BLOCK__GFX_SQ_VGPR,
109 	/* SQC (3 ranges) */
110 	AMDGPU_RAS_BLOCK__GFX_SQC_INDEX_START,
111 	/* SQC range 0 */
112 	AMDGPU_RAS_BLOCK__GFX_SQC_INDEX0_START =
113 		AMDGPU_RAS_BLOCK__GFX_SQC_INDEX_START,
114 	AMDGPU_RAS_BLOCK__GFX_SQC_INST_UTCL1_LFIFO =
115 		AMDGPU_RAS_BLOCK__GFX_SQC_INDEX0_START,
116 	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_CU0_WRITE_DATA_BUF,
117 	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_CU0_UTCL1_LFIFO,
118 	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_CU1_WRITE_DATA_BUF,
119 	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_CU1_UTCL1_LFIFO,
120 	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_CU2_WRITE_DATA_BUF,
121 	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_CU2_UTCL1_LFIFO,
122 	AMDGPU_RAS_BLOCK__GFX_SQC_INDEX0_END =
123 		AMDGPU_RAS_BLOCK__GFX_SQC_DATA_CU2_UTCL1_LFIFO,
124 	/* SQC range 1 */
125 	AMDGPU_RAS_BLOCK__GFX_SQC_INDEX1_START,
126 	AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKA_TAG_RAM =
127 		AMDGPU_RAS_BLOCK__GFX_SQC_INDEX1_START,
128 	AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKA_UTCL1_MISS_FIFO,
129 	AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKA_MISS_FIFO,
130 	AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKA_BANK_RAM,
131 	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKA_TAG_RAM,
132 	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKA_HIT_FIFO,
133 	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKA_MISS_FIFO,
134 	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKA_DIRTY_BIT_RAM,
135 	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKA_BANK_RAM,
136 	AMDGPU_RAS_BLOCK__GFX_SQC_INDEX1_END =
137 		AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKA_BANK_RAM,
138 	/* SQC range 2 */
139 	AMDGPU_RAS_BLOCK__GFX_SQC_INDEX2_START,
140 	AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKB_TAG_RAM =
141 		AMDGPU_RAS_BLOCK__GFX_SQC_INDEX2_START,
142 	AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKB_UTCL1_MISS_FIFO,
143 	AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKB_MISS_FIFO,
144 	AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKB_BANK_RAM,
145 	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKB_TAG_RAM,
146 	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKB_HIT_FIFO,
147 	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKB_MISS_FIFO,
148 	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKB_DIRTY_BIT_RAM,
149 	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKB_BANK_RAM,
150 	AMDGPU_RAS_BLOCK__GFX_SQC_INDEX2_END =
151 		AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKB_BANK_RAM,
152 	AMDGPU_RAS_BLOCK__GFX_SQC_INDEX_END =
153 		AMDGPU_RAS_BLOCK__GFX_SQC_INDEX2_END,
154 	/* TA */
155 	AMDGPU_RAS_BLOCK__GFX_TA_INDEX_START,
156 	AMDGPU_RAS_BLOCK__GFX_TA_FS_DFIFO =
157 		AMDGPU_RAS_BLOCK__GFX_TA_INDEX_START,
158 	AMDGPU_RAS_BLOCK__GFX_TA_FS_AFIFO,
159 	AMDGPU_RAS_BLOCK__GFX_TA_FL_LFIFO,
160 	AMDGPU_RAS_BLOCK__GFX_TA_FX_LFIFO,
161 	AMDGPU_RAS_BLOCK__GFX_TA_FS_CFIFO,
162 	AMDGPU_RAS_BLOCK__GFX_TA_INDEX_END = AMDGPU_RAS_BLOCK__GFX_TA_FS_CFIFO,
163 	/* TCA */
164 	AMDGPU_RAS_BLOCK__GFX_TCA_INDEX_START,
165 	AMDGPU_RAS_BLOCK__GFX_TCA_HOLE_FIFO =
166 		AMDGPU_RAS_BLOCK__GFX_TCA_INDEX_START,
167 	AMDGPU_RAS_BLOCK__GFX_TCA_REQ_FIFO,
168 	AMDGPU_RAS_BLOCK__GFX_TCA_INDEX_END =
169 		AMDGPU_RAS_BLOCK__GFX_TCA_REQ_FIFO,
170 	/* TCC (5 sub-ranges) */
171 	AMDGPU_RAS_BLOCK__GFX_TCC_INDEX_START,
172 	/* TCC range 0 */
173 	AMDGPU_RAS_BLOCK__GFX_TCC_INDEX0_START =
174 		AMDGPU_RAS_BLOCK__GFX_TCC_INDEX_START,
175 	AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_DATA =
176 		AMDGPU_RAS_BLOCK__GFX_TCC_INDEX0_START,
177 	AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_DATA_BANK_0_1,
178 	AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_DATA_BANK_1_0,
179 	AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_DATA_BANK_1_1,
180 	AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_DIRTY_BANK_0,
181 	AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_DIRTY_BANK_1,
182 	AMDGPU_RAS_BLOCK__GFX_TCC_HIGH_RATE_TAG,
183 	AMDGPU_RAS_BLOCK__GFX_TCC_LOW_RATE_TAG,
184 	AMDGPU_RAS_BLOCK__GFX_TCC_INDEX0_END =
185 		AMDGPU_RAS_BLOCK__GFX_TCC_LOW_RATE_TAG,
186 	/* TCC range 1 */
187 	AMDGPU_RAS_BLOCK__GFX_TCC_INDEX1_START,
188 	AMDGPU_RAS_BLOCK__GFX_TCC_IN_USE_DEC =
189 		AMDGPU_RAS_BLOCK__GFX_TCC_INDEX1_START,
190 	AMDGPU_RAS_BLOCK__GFX_TCC_IN_USE_TRANSFER,
191 	AMDGPU_RAS_BLOCK__GFX_TCC_INDEX1_END =
192 		AMDGPU_RAS_BLOCK__GFX_TCC_IN_USE_TRANSFER,
193 	/* TCC range 2 */
194 	AMDGPU_RAS_BLOCK__GFX_TCC_INDEX2_START,
195 	AMDGPU_RAS_BLOCK__GFX_TCC_RETURN_DATA =
196 		AMDGPU_RAS_BLOCK__GFX_TCC_INDEX2_START,
197 	AMDGPU_RAS_BLOCK__GFX_TCC_RETURN_CONTROL,
198 	AMDGPU_RAS_BLOCK__GFX_TCC_UC_ATOMIC_FIFO,
199 	AMDGPU_RAS_BLOCK__GFX_TCC_WRITE_RETURN,
200 	AMDGPU_RAS_BLOCK__GFX_TCC_WRITE_CACHE_READ,
201 	AMDGPU_RAS_BLOCK__GFX_TCC_SRC_FIFO,
202 	AMDGPU_RAS_BLOCK__GFX_TCC_SRC_FIFO_NEXT_RAM,
203 	AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_TAG_PROBE_FIFO,
204 	AMDGPU_RAS_BLOCK__GFX_TCC_INDEX2_END =
205 		AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_TAG_PROBE_FIFO,
206 	/* TCC range 3 */
207 	AMDGPU_RAS_BLOCK__GFX_TCC_INDEX3_START,
208 	AMDGPU_RAS_BLOCK__GFX_TCC_LATENCY_FIFO =
209 		AMDGPU_RAS_BLOCK__GFX_TCC_INDEX3_START,
210 	AMDGPU_RAS_BLOCK__GFX_TCC_LATENCY_FIFO_NEXT_RAM,
211 	AMDGPU_RAS_BLOCK__GFX_TCC_INDEX3_END =
212 		AMDGPU_RAS_BLOCK__GFX_TCC_LATENCY_FIFO_NEXT_RAM,
213 	/* TCC range 4 */
214 	AMDGPU_RAS_BLOCK__GFX_TCC_INDEX4_START,
215 	AMDGPU_RAS_BLOCK__GFX_TCC_WRRET_TAG_WRITE_RETURN =
216 		AMDGPU_RAS_BLOCK__GFX_TCC_INDEX4_START,
217 	AMDGPU_RAS_BLOCK__GFX_TCC_ATOMIC_RETURN_BUFFER,
218 	AMDGPU_RAS_BLOCK__GFX_TCC_INDEX4_END =
219 		AMDGPU_RAS_BLOCK__GFX_TCC_ATOMIC_RETURN_BUFFER,
220 	AMDGPU_RAS_BLOCK__GFX_TCC_INDEX_END =
221 		AMDGPU_RAS_BLOCK__GFX_TCC_INDEX4_END,
222 	/* TCI */
223 	AMDGPU_RAS_BLOCK__GFX_TCI_WRITE_RAM,
224 	/* TCP */
225 	AMDGPU_RAS_BLOCK__GFX_TCP_INDEX_START,
226 	AMDGPU_RAS_BLOCK__GFX_TCP_CACHE_RAM =
227 		AMDGPU_RAS_BLOCK__GFX_TCP_INDEX_START,
228 	AMDGPU_RAS_BLOCK__GFX_TCP_LFIFO_RAM,
229 	AMDGPU_RAS_BLOCK__GFX_TCP_CMD_FIFO,
230 	AMDGPU_RAS_BLOCK__GFX_TCP_VM_FIFO,
231 	AMDGPU_RAS_BLOCK__GFX_TCP_DB_RAM,
232 	AMDGPU_RAS_BLOCK__GFX_TCP_UTCL1_LFIFO0,
233 	AMDGPU_RAS_BLOCK__GFX_TCP_UTCL1_LFIFO1,
234 	AMDGPU_RAS_BLOCK__GFX_TCP_INDEX_END =
235 		AMDGPU_RAS_BLOCK__GFX_TCP_UTCL1_LFIFO1,
236 	/* TD */
237 	AMDGPU_RAS_BLOCK__GFX_TD_INDEX_START,
238 	AMDGPU_RAS_BLOCK__GFX_TD_SS_FIFO_LO =
239 		AMDGPU_RAS_BLOCK__GFX_TD_INDEX_START,
240 	AMDGPU_RAS_BLOCK__GFX_TD_SS_FIFO_HI,
241 	AMDGPU_RAS_BLOCK__GFX_TD_CS_FIFO,
242 	AMDGPU_RAS_BLOCK__GFX_TD_INDEX_END = AMDGPU_RAS_BLOCK__GFX_TD_CS_FIFO,
243 	/* EA (3 sub-ranges) */
244 	AMDGPU_RAS_BLOCK__GFX_EA_INDEX_START,
245 	/* EA range 0 */
246 	AMDGPU_RAS_BLOCK__GFX_EA_INDEX0_START =
247 		AMDGPU_RAS_BLOCK__GFX_EA_INDEX_START,
248 	AMDGPU_RAS_BLOCK__GFX_EA_DRAMRD_CMDMEM =
249 		AMDGPU_RAS_BLOCK__GFX_EA_INDEX0_START,
250 	AMDGPU_RAS_BLOCK__GFX_EA_DRAMWR_CMDMEM,
251 	AMDGPU_RAS_BLOCK__GFX_EA_DRAMWR_DATAMEM,
252 	AMDGPU_RAS_BLOCK__GFX_EA_RRET_TAGMEM,
253 	AMDGPU_RAS_BLOCK__GFX_EA_WRET_TAGMEM,
254 	AMDGPU_RAS_BLOCK__GFX_EA_GMIRD_CMDMEM,
255 	AMDGPU_RAS_BLOCK__GFX_EA_GMIWR_CMDMEM,
256 	AMDGPU_RAS_BLOCK__GFX_EA_GMIWR_DATAMEM,
257 	AMDGPU_RAS_BLOCK__GFX_EA_INDEX0_END =
258 		AMDGPU_RAS_BLOCK__GFX_EA_GMIWR_DATAMEM,
259 	/* EA range 1 */
260 	AMDGPU_RAS_BLOCK__GFX_EA_INDEX1_START,
261 	AMDGPU_RAS_BLOCK__GFX_EA_DRAMRD_PAGEMEM =
262 		AMDGPU_RAS_BLOCK__GFX_EA_INDEX1_START,
263 	AMDGPU_RAS_BLOCK__GFX_EA_DRAMWR_PAGEMEM,
264 	AMDGPU_RAS_BLOCK__GFX_EA_IORD_CMDMEM,
265 	AMDGPU_RAS_BLOCK__GFX_EA_IOWR_CMDMEM,
266 	AMDGPU_RAS_BLOCK__GFX_EA_IOWR_DATAMEM,
267 	AMDGPU_RAS_BLOCK__GFX_EA_GMIRD_PAGEMEM,
268 	AMDGPU_RAS_BLOCK__GFX_EA_GMIWR_PAGEMEM,
269 	AMDGPU_RAS_BLOCK__GFX_EA_INDEX1_END =
270 		AMDGPU_RAS_BLOCK__GFX_EA_GMIWR_PAGEMEM,
271 	/* EA range 2 */
272 	AMDGPU_RAS_BLOCK__GFX_EA_INDEX2_START,
273 	AMDGPU_RAS_BLOCK__GFX_EA_MAM_D0MEM =
274 		AMDGPU_RAS_BLOCK__GFX_EA_INDEX2_START,
275 	AMDGPU_RAS_BLOCK__GFX_EA_MAM_D1MEM,
276 	AMDGPU_RAS_BLOCK__GFX_EA_MAM_D2MEM,
277 	AMDGPU_RAS_BLOCK__GFX_EA_MAM_D3MEM,
278 	AMDGPU_RAS_BLOCK__GFX_EA_INDEX2_END =
279 		AMDGPU_RAS_BLOCK__GFX_EA_MAM_D3MEM,
280 	AMDGPU_RAS_BLOCK__GFX_EA_INDEX_END =
281 		AMDGPU_RAS_BLOCK__GFX_EA_INDEX2_END,
282 	/* UTC VM L2 bank */
283 	AMDGPU_RAS_BLOCK__UTC_VML2_BANK_CACHE,
284 	/* UTC VM walker */
285 	AMDGPU_RAS_BLOCK__UTC_VML2_WALKER,
286 	/* UTC ATC L2 2MB cache */
287 	AMDGPU_RAS_BLOCK__UTC_ATCL2_CACHE_2M_BANK,
288 	/* UTC ATC L2 4KB cache */
289 	AMDGPU_RAS_BLOCK__UTC_ATCL2_CACHE_4K_BANK,
290 	AMDGPU_RAS_BLOCK__GFX_MAX
291 };
292 
293 enum amdgpu_ras_error_type {
294 	AMDGPU_RAS_ERROR__NONE							= 0,
295 	AMDGPU_RAS_ERROR__PARITY						= 1,
296 	AMDGPU_RAS_ERROR__SINGLE_CORRECTABLE					= 2,
297 	AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE					= 4,
298 	AMDGPU_RAS_ERROR__POISON						= 8,
299 };
300 
301 enum amdgpu_ras_ret {
302 	AMDGPU_RAS_SUCCESS = 0,
303 	AMDGPU_RAS_FAIL,
304 	AMDGPU_RAS_UE,
305 	AMDGPU_RAS_CE,
306 	AMDGPU_RAS_PT,
307 };
308 
309 struct ras_common_if {
310 	enum amdgpu_ras_block block;
311 	enum amdgpu_ras_error_type type;
312 	uint32_t sub_block_index;
313 	char name[32];
314 };
315 
316 struct amdgpu_ras {
317 	/* ras infrastructure */
318 	/* for ras itself. */
319 	uint32_t features;
320 	struct list_head head;
321 	/* sysfs */
322 	struct device_attribute features_attr;
323 	struct bin_attribute badpages_attr;
324 	struct dentry *de_ras_eeprom_table;
325 	/* block array */
326 	struct ras_manager *objs;
327 
328 	/* gpu recovery */
329 	struct work_struct recovery_work;
330 	atomic_t in_recovery;
331 	struct amdgpu_device *adev;
332 	/* error handler data */
333 	struct ras_err_handler_data *eh_data;
334 	struct mutex recovery_lock;
335 
336 	uint32_t flags;
337 	bool reboot;
338 	struct amdgpu_ras_eeprom_control eeprom_control;
339 
340 	bool error_query_ready;
341 
342 	/* bad page count threshold */
343 	uint32_t bad_page_cnt_threshold;
344 
345 	/* disable ras error count harvest in recovery */
346 	bool disable_ras_err_cnt_harvest;
347 
348 	/* RAS count errors delayed work */
349 	struct delayed_work ras_counte_delay_work;
350 	atomic_t ras_ue_count;
351 	atomic_t ras_ce_count;
352 };
353 
354 struct ras_fs_data {
355 	char sysfs_name[32];
356 	char debugfs_name[32];
357 };
358 
359 struct ras_err_data {
360 	unsigned long ue_count;
361 	unsigned long ce_count;
362 	unsigned long err_addr_cnt;
363 	struct eeprom_table_record *err_addr;
364 };
365 
366 struct ras_err_handler_data {
367 	/* point to bad page records array */
368 	struct eeprom_table_record *bps;
369 	/* the count of entries */
370 	int count;
371 	/* the space can place new entries */
372 	int space_left;
373 };
374 
375 typedef int (*ras_ih_cb)(struct amdgpu_device *adev,
376 		void *err_data,
377 		struct amdgpu_iv_entry *entry);
378 
379 struct ras_ih_data {
380 	/* interrupt bottom half */
381 	struct work_struct ih_work;
382 	int inuse;
383 	/* IP callback */
384 	ras_ih_cb cb;
385 	/* full of entries */
386 	unsigned char *ring;
387 	unsigned int ring_size;
388 	unsigned int element_size;
389 	unsigned int aligned_element_size;
390 	unsigned int rptr;
391 	unsigned int wptr;
392 };
393 
394 struct ras_manager {
395 	struct ras_common_if head;
396 	/* reference count */
397 	int use;
398 	/* ras block link */
399 	struct list_head node;
400 	/* the device */
401 	struct amdgpu_device *adev;
402 	/* sysfs */
403 	struct device_attribute sysfs_attr;
404 	int attr_inuse;
405 
406 	/* fs node name */
407 	struct ras_fs_data fs_data;
408 
409 	/* IH data */
410 	struct ras_ih_data ih_data;
411 
412 	struct ras_err_data err_data;
413 };
414 
415 struct ras_badpage {
416 	unsigned int bp;
417 	unsigned int size;
418 	unsigned int flags;
419 };
420 
421 /* interfaces for IP */
422 struct ras_fs_if {
423 	struct ras_common_if head;
424 	const char* sysfs_name;
425 	char debugfs_name[32];
426 };
427 
428 struct ras_query_if {
429 	struct ras_common_if head;
430 	unsigned long ue_count;
431 	unsigned long ce_count;
432 };
433 
434 struct ras_inject_if {
435 	struct ras_common_if head;
436 	uint64_t address;
437 	uint64_t value;
438 };
439 
440 struct ras_cure_if {
441 	struct ras_common_if head;
442 	uint64_t address;
443 };
444 
445 struct ras_ih_if {
446 	struct ras_common_if head;
447 	ras_ih_cb cb;
448 };
449 
450 struct ras_dispatch_if {
451 	struct ras_common_if head;
452 	struct amdgpu_iv_entry *entry;
453 };
454 
455 struct ras_debug_if {
456 	union {
457 		struct ras_common_if head;
458 		struct ras_inject_if inject;
459 	};
460 	int op;
461 };
462 /* work flow
463  * vbios
464  * 1: ras feature enable (enabled by default)
465  * psp
466  * 2: ras framework init (in ip_init)
467  * IP
468  * 3: IH add
469  * 4: debugfs/sysfs create
470  * 5: query/inject
471  * 6: debugfs/sysfs remove
472  * 7: IH remove
473  * 8: feature disable
474  */
475 
476 #define amdgpu_ras_get_context(adev)		((adev)->psp.ras_context.ras)
477 #define amdgpu_ras_set_context(adev, ras_con)	((adev)->psp.ras_context.ras = (ras_con))
478 
479 /* check if ras is supported on block, say, sdma, gfx */
amdgpu_ras_is_supported(struct amdgpu_device * adev,unsigned int block)480 static inline int amdgpu_ras_is_supported(struct amdgpu_device *adev,
481 		unsigned int block)
482 {
483 	struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
484 
485 	if (block >= AMDGPU_RAS_BLOCK_COUNT)
486 		return 0;
487 	return ras && (adev->ras_enabled & (1 << block));
488 }
489 
490 int amdgpu_ras_recovery_init(struct amdgpu_device *adev);
491 int amdgpu_ras_request_reset_on_boot(struct amdgpu_device *adev,
492 		unsigned int block);
493 
494 void amdgpu_ras_resume(struct amdgpu_device *adev);
495 void amdgpu_ras_suspend(struct amdgpu_device *adev);
496 
497 int amdgpu_ras_query_error_count(struct amdgpu_device *adev,
498 				 unsigned long *ce_count,
499 				 unsigned long *ue_count);
500 
501 /* error handling functions */
502 int amdgpu_ras_add_bad_pages(struct amdgpu_device *adev,
503 		struct eeprom_table_record *bps, int pages);
504 
505 int amdgpu_ras_save_bad_pages(struct amdgpu_device *adev);
506 
amdgpu_ras_reset_gpu(struct amdgpu_device * adev)507 static inline int amdgpu_ras_reset_gpu(struct amdgpu_device *adev)
508 {
509 	struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
510 
511 	if (atomic_cmpxchg(&ras->in_recovery, 0, 1) == 0)
512 		schedule_work(&ras->recovery_work);
513 	return 0;
514 }
515 
516 static inline enum ta_ras_block
amdgpu_ras_block_to_ta(enum amdgpu_ras_block block)517 amdgpu_ras_block_to_ta(enum amdgpu_ras_block block) {
518 	switch (block) {
519 	case AMDGPU_RAS_BLOCK__UMC:
520 		return TA_RAS_BLOCK__UMC;
521 	case AMDGPU_RAS_BLOCK__SDMA:
522 		return TA_RAS_BLOCK__SDMA;
523 	case AMDGPU_RAS_BLOCK__GFX:
524 		return TA_RAS_BLOCK__GFX;
525 	case AMDGPU_RAS_BLOCK__MMHUB:
526 		return TA_RAS_BLOCK__MMHUB;
527 	case AMDGPU_RAS_BLOCK__ATHUB:
528 		return TA_RAS_BLOCK__ATHUB;
529 	case AMDGPU_RAS_BLOCK__PCIE_BIF:
530 		return TA_RAS_BLOCK__PCIE_BIF;
531 	case AMDGPU_RAS_BLOCK__HDP:
532 		return TA_RAS_BLOCK__HDP;
533 	case AMDGPU_RAS_BLOCK__XGMI_WAFL:
534 		return TA_RAS_BLOCK__XGMI_WAFL;
535 	case AMDGPU_RAS_BLOCK__DF:
536 		return TA_RAS_BLOCK__DF;
537 	case AMDGPU_RAS_BLOCK__SMN:
538 		return TA_RAS_BLOCK__SMN;
539 	case AMDGPU_RAS_BLOCK__SEM:
540 		return TA_RAS_BLOCK__SEM;
541 	case AMDGPU_RAS_BLOCK__MP0:
542 		return TA_RAS_BLOCK__MP0;
543 	case AMDGPU_RAS_BLOCK__MP1:
544 		return TA_RAS_BLOCK__MP1;
545 	case AMDGPU_RAS_BLOCK__FUSE:
546 		return TA_RAS_BLOCK__FUSE;
547 	default:
548 		WARN_ONCE(1, "RAS ERROR: unexpected block id %d\n", block);
549 		return TA_RAS_BLOCK__UMC;
550 	}
551 }
552 
553 static inline enum ta_ras_error_type
amdgpu_ras_error_to_ta(enum amdgpu_ras_error_type error)554 amdgpu_ras_error_to_ta(enum amdgpu_ras_error_type error) {
555 	switch (error) {
556 	case AMDGPU_RAS_ERROR__NONE:
557 		return TA_RAS_ERROR__NONE;
558 	case AMDGPU_RAS_ERROR__PARITY:
559 		return TA_RAS_ERROR__PARITY;
560 	case AMDGPU_RAS_ERROR__SINGLE_CORRECTABLE:
561 		return TA_RAS_ERROR__SINGLE_CORRECTABLE;
562 	case AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE:
563 		return TA_RAS_ERROR__MULTI_UNCORRECTABLE;
564 	case AMDGPU_RAS_ERROR__POISON:
565 		return TA_RAS_ERROR__POISON;
566 	default:
567 		WARN_ONCE(1, "RAS ERROR: unexpected error type %d\n", error);
568 		return TA_RAS_ERROR__NONE;
569 	}
570 }
571 
572 /* called in ip_init and ip_fini */
573 int amdgpu_ras_init(struct amdgpu_device *adev);
574 int amdgpu_ras_fini(struct amdgpu_device *adev);
575 int amdgpu_ras_pre_fini(struct amdgpu_device *adev);
576 int amdgpu_ras_late_init(struct amdgpu_device *adev,
577 			 struct ras_common_if *ras_block,
578 			 struct ras_fs_if *fs_info,
579 			 struct ras_ih_if *ih_info);
580 void amdgpu_ras_late_fini(struct amdgpu_device *adev,
581 			  struct ras_common_if *ras_block,
582 			  struct ras_ih_if *ih_info);
583 
584 int amdgpu_ras_feature_enable(struct amdgpu_device *adev,
585 		struct ras_common_if *head, bool enable);
586 
587 int amdgpu_ras_feature_enable_on_boot(struct amdgpu_device *adev,
588 		struct ras_common_if *head, bool enable);
589 
590 int amdgpu_ras_sysfs_create(struct amdgpu_device *adev,
591 		struct ras_fs_if *head);
592 
593 int amdgpu_ras_sysfs_remove(struct amdgpu_device *adev,
594 		struct ras_common_if *head);
595 
596 void amdgpu_ras_debugfs_create_all(struct amdgpu_device *adev);
597 
598 int amdgpu_ras_query_error_status(struct amdgpu_device *adev,
599 		struct ras_query_if *info);
600 
601 int amdgpu_ras_reset_error_status(struct amdgpu_device *adev,
602 		enum amdgpu_ras_block block);
603 
604 int amdgpu_ras_error_inject(struct amdgpu_device *adev,
605 		struct ras_inject_if *info);
606 
607 int amdgpu_ras_interrupt_add_handler(struct amdgpu_device *adev,
608 		struct ras_ih_if *info);
609 
610 int amdgpu_ras_interrupt_remove_handler(struct amdgpu_device *adev,
611 		struct ras_ih_if *info);
612 
613 int amdgpu_ras_interrupt_dispatch(struct amdgpu_device *adev,
614 		struct ras_dispatch_if *info);
615 
616 struct ras_manager *amdgpu_ras_find_obj(struct amdgpu_device *adev,
617 		struct ras_common_if *head);
618 
619 extern atomic_t amdgpu_ras_in_intr;
620 
amdgpu_ras_intr_triggered(void)621 static inline bool amdgpu_ras_intr_triggered(void)
622 {
623 	return !!atomic_read(&amdgpu_ras_in_intr);
624 }
625 
amdgpu_ras_intr_cleared(void)626 static inline void amdgpu_ras_intr_cleared(void)
627 {
628 	atomic_set(&amdgpu_ras_in_intr, 0);
629 }
630 
631 void amdgpu_ras_global_ras_isr(struct amdgpu_device *adev);
632 
633 void amdgpu_ras_set_error_query_ready(struct amdgpu_device *adev, bool ready);
634 
635 bool amdgpu_ras_need_emergency_restart(struct amdgpu_device *adev);
636 
637 void amdgpu_release_ras_context(struct amdgpu_device *adev);
638 
639 int amdgpu_persistent_edc_harvesting_supported(struct amdgpu_device *adev);
640 
641 #endif
642