tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
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
34enum amdgpu_ras_block {
35 AMDGPU_RAS_BLOCK__UMC = 0,
36 AMDGPU_RAS_BLOCK__SDMA,
37 AMDGPU_RAS_BLOCK__GFX,
38 AMDGPU_RAS_BLOCK__MMHUB,
39 AMDGPU_RAS_BLOCK__ATHUB,
40 AMDGPU_RAS_BLOCK__PCIE_BIF,
41 AMDGPU_RAS_BLOCK__HDP,
42 AMDGPU_RAS_BLOCK__XGMI_WAFL,
43 AMDGPU_RAS_BLOCK__DF,
44 AMDGPU_RAS_BLOCK__SMN,
45 AMDGPU_RAS_BLOCK__SEM,
46 AMDGPU_RAS_BLOCK__MP0,
47 AMDGPU_RAS_BLOCK__MP1,
48 AMDGPU_RAS_BLOCK__FUSE,
49
50 AMDGPU_RAS_BLOCK__LAST
51};
52
53#define AMDGPU_RAS_BLOCK_COUNT AMDGPU_RAS_BLOCK__LAST
54#define AMDGPU_RAS_BLOCK_MASK ((1ULL << AMDGPU_RAS_BLOCK_COUNT) - 1)
55
56enum amdgpu_ras_gfx_subblock {
57 /* CPC */
58 AMDGPU_RAS_BLOCK__GFX_CPC_INDEX_START = 0,
59 AMDGPU_RAS_BLOCK__GFX_CPC_SCRATCH =
60 AMDGPU_RAS_BLOCK__GFX_CPC_INDEX_START,
61 AMDGPU_RAS_BLOCK__GFX_CPC_UCODE,
62 AMDGPU_RAS_BLOCK__GFX_DC_STATE_ME1,
63 AMDGPU_RAS_BLOCK__GFX_DC_CSINVOC_ME1,
64 AMDGPU_RAS_BLOCK__GFX_DC_RESTORE_ME1,
65 AMDGPU_RAS_BLOCK__GFX_DC_STATE_ME2,
66 AMDGPU_RAS_BLOCK__GFX_DC_CSINVOC_ME2,
67 AMDGPU_RAS_BLOCK__GFX_DC_RESTORE_ME2,
68 AMDGPU_RAS_BLOCK__GFX_CPC_INDEX_END =
69 AMDGPU_RAS_BLOCK__GFX_DC_RESTORE_ME2,
70 /* CPF */
71 AMDGPU_RAS_BLOCK__GFX_CPF_INDEX_START,
72 AMDGPU_RAS_BLOCK__GFX_CPF_ROQ_ME2 =
73 AMDGPU_RAS_BLOCK__GFX_CPF_INDEX_START,
74 AMDGPU_RAS_BLOCK__GFX_CPF_ROQ_ME1,
75 AMDGPU_RAS_BLOCK__GFX_CPF_TAG,
76 AMDGPU_RAS_BLOCK__GFX_CPF_INDEX_END = AMDGPU_RAS_BLOCK__GFX_CPF_TAG,
77 /* CPG */
78 AMDGPU_RAS_BLOCK__GFX_CPG_INDEX_START,
79 AMDGPU_RAS_BLOCK__GFX_CPG_DMA_ROQ =
80 AMDGPU_RAS_BLOCK__GFX_CPG_INDEX_START,
81 AMDGPU_RAS_BLOCK__GFX_CPG_DMA_TAG,
82 AMDGPU_RAS_BLOCK__GFX_CPG_TAG,
83 AMDGPU_RAS_BLOCK__GFX_CPG_INDEX_END = AMDGPU_RAS_BLOCK__GFX_CPG_TAG,
84 /* GDS */
85 AMDGPU_RAS_BLOCK__GFX_GDS_INDEX_START,
86 AMDGPU_RAS_BLOCK__GFX_GDS_MEM = AMDGPU_RAS_BLOCK__GFX_GDS_INDEX_START,
87 AMDGPU_RAS_BLOCK__GFX_GDS_INPUT_QUEUE,
88 AMDGPU_RAS_BLOCK__GFX_GDS_OA_PHY_CMD_RAM_MEM,
89 AMDGPU_RAS_BLOCK__GFX_GDS_OA_PHY_DATA_RAM_MEM,
90 AMDGPU_RAS_BLOCK__GFX_GDS_OA_PIPE_MEM,
91 AMDGPU_RAS_BLOCK__GFX_GDS_INDEX_END =
92 AMDGPU_RAS_BLOCK__GFX_GDS_OA_PIPE_MEM,
93 /* SPI */
94 AMDGPU_RAS_BLOCK__GFX_SPI_SR_MEM,
95 /* SQ */
96 AMDGPU_RAS_BLOCK__GFX_SQ_INDEX_START,
97 AMDGPU_RAS_BLOCK__GFX_SQ_SGPR = AMDGPU_RAS_BLOCK__GFX_SQ_INDEX_START,
98 AMDGPU_RAS_BLOCK__GFX_SQ_LDS_D,
99 AMDGPU_RAS_BLOCK__GFX_SQ_LDS_I,
100 AMDGPU_RAS_BLOCK__GFX_SQ_VGPR,
101 AMDGPU_RAS_BLOCK__GFX_SQ_INDEX_END = AMDGPU_RAS_BLOCK__GFX_SQ_VGPR,
102 /* SQC (3 ranges) */
103 AMDGPU_RAS_BLOCK__GFX_SQC_INDEX_START,
104 /* SQC range 0 */
105 AMDGPU_RAS_BLOCK__GFX_SQC_INDEX0_START =
106 AMDGPU_RAS_BLOCK__GFX_SQC_INDEX_START,
107 AMDGPU_RAS_BLOCK__GFX_SQC_INST_UTCL1_LFIFO =
108 AMDGPU_RAS_BLOCK__GFX_SQC_INDEX0_START,
109 AMDGPU_RAS_BLOCK__GFX_SQC_DATA_CU0_WRITE_DATA_BUF,
110 AMDGPU_RAS_BLOCK__GFX_SQC_DATA_CU0_UTCL1_LFIFO,
111 AMDGPU_RAS_BLOCK__GFX_SQC_DATA_CU1_WRITE_DATA_BUF,
112 AMDGPU_RAS_BLOCK__GFX_SQC_DATA_CU1_UTCL1_LFIFO,
113 AMDGPU_RAS_BLOCK__GFX_SQC_DATA_CU2_WRITE_DATA_BUF,
114 AMDGPU_RAS_BLOCK__GFX_SQC_DATA_CU2_UTCL1_LFIFO,
115 AMDGPU_RAS_BLOCK__GFX_SQC_INDEX0_END =
116 AMDGPU_RAS_BLOCK__GFX_SQC_DATA_CU2_UTCL1_LFIFO,
117 /* SQC range 1 */
118 AMDGPU_RAS_BLOCK__GFX_SQC_INDEX1_START,
119 AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKA_TAG_RAM =
120 AMDGPU_RAS_BLOCK__GFX_SQC_INDEX1_START,
121 AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKA_UTCL1_MISS_FIFO,
122 AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKA_MISS_FIFO,
123 AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKA_BANK_RAM,
124 AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKA_TAG_RAM,
125 AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKA_HIT_FIFO,
126 AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKA_MISS_FIFO,
127 AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKA_DIRTY_BIT_RAM,
128 AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKA_BANK_RAM,
129 AMDGPU_RAS_BLOCK__GFX_SQC_INDEX1_END =
130 AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKA_BANK_RAM,
131 /* SQC range 2 */
132 AMDGPU_RAS_BLOCK__GFX_SQC_INDEX2_START,
133 AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKB_TAG_RAM =
134 AMDGPU_RAS_BLOCK__GFX_SQC_INDEX2_START,
135 AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKB_UTCL1_MISS_FIFO,
136 AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKB_MISS_FIFO,
137 AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKB_BANK_RAM,
138 AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKB_TAG_RAM,
139 AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKB_HIT_FIFO,
140 AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKB_MISS_FIFO,
141 AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKB_DIRTY_BIT_RAM,
142 AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKB_BANK_RAM,
143 AMDGPU_RAS_BLOCK__GFX_SQC_INDEX2_END =
144 AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKB_BANK_RAM,
145 AMDGPU_RAS_BLOCK__GFX_SQC_INDEX_END =
146 AMDGPU_RAS_BLOCK__GFX_SQC_INDEX2_END,
147 /* TA */
148 AMDGPU_RAS_BLOCK__GFX_TA_INDEX_START,
149 AMDGPU_RAS_BLOCK__GFX_TA_FS_DFIFO =
150 AMDGPU_RAS_BLOCK__GFX_TA_INDEX_START,
151 AMDGPU_RAS_BLOCK__GFX_TA_FS_AFIFO,
152 AMDGPU_RAS_BLOCK__GFX_TA_FL_LFIFO,
153 AMDGPU_RAS_BLOCK__GFX_TA_FX_LFIFO,
154 AMDGPU_RAS_BLOCK__GFX_TA_FS_CFIFO,
155 AMDGPU_RAS_BLOCK__GFX_TA_INDEX_END = AMDGPU_RAS_BLOCK__GFX_TA_FS_CFIFO,
156 /* TCA */
157 AMDGPU_RAS_BLOCK__GFX_TCA_INDEX_START,
158 AMDGPU_RAS_BLOCK__GFX_TCA_HOLE_FIFO =
159 AMDGPU_RAS_BLOCK__GFX_TCA_INDEX_START,
160 AMDGPU_RAS_BLOCK__GFX_TCA_REQ_FIFO,
161 AMDGPU_RAS_BLOCK__GFX_TCA_INDEX_END =
162 AMDGPU_RAS_BLOCK__GFX_TCA_REQ_FIFO,
163 /* TCC (5 sub-ranges) */
164 AMDGPU_RAS_BLOCK__GFX_TCC_INDEX_START,
165 /* TCC range 0 */
166 AMDGPU_RAS_BLOCK__GFX_TCC_INDEX0_START =
167 AMDGPU_RAS_BLOCK__GFX_TCC_INDEX_START,
168 AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_DATA =
169 AMDGPU_RAS_BLOCK__GFX_TCC_INDEX0_START,
170 AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_DATA_BANK_0_1,
171 AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_DATA_BANK_1_0,
172 AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_DATA_BANK_1_1,
173 AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_DIRTY_BANK_0,
174 AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_DIRTY_BANK_1,
175 AMDGPU_RAS_BLOCK__GFX_TCC_HIGH_RATE_TAG,
176 AMDGPU_RAS_BLOCK__GFX_TCC_LOW_RATE_TAG,
177 AMDGPU_RAS_BLOCK__GFX_TCC_INDEX0_END =
178 AMDGPU_RAS_BLOCK__GFX_TCC_LOW_RATE_TAG,
179 /* TCC range 1 */
180 AMDGPU_RAS_BLOCK__GFX_TCC_INDEX1_START,
181 AMDGPU_RAS_BLOCK__GFX_TCC_IN_USE_DEC =
182 AMDGPU_RAS_BLOCK__GFX_TCC_INDEX1_START,
183 AMDGPU_RAS_BLOCK__GFX_TCC_IN_USE_TRANSFER,
184 AMDGPU_RAS_BLOCK__GFX_TCC_INDEX1_END =
185 AMDGPU_RAS_BLOCK__GFX_TCC_IN_USE_TRANSFER,
186 /* TCC range 2 */
187 AMDGPU_RAS_BLOCK__GFX_TCC_INDEX2_START,
188 AMDGPU_RAS_BLOCK__GFX_TCC_RETURN_DATA =
189 AMDGPU_RAS_BLOCK__GFX_TCC_INDEX2_START,
190 AMDGPU_RAS_BLOCK__GFX_TCC_RETURN_CONTROL,
191 AMDGPU_RAS_BLOCK__GFX_TCC_UC_ATOMIC_FIFO,
192 AMDGPU_RAS_BLOCK__GFX_TCC_WRITE_RETURN,
193 AMDGPU_RAS_BLOCK__GFX_TCC_WRITE_CACHE_READ,
194 AMDGPU_RAS_BLOCK__GFX_TCC_SRC_FIFO,
195 AMDGPU_RAS_BLOCK__GFX_TCC_SRC_FIFO_NEXT_RAM,
196 AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_TAG_PROBE_FIFO,
197 AMDGPU_RAS_BLOCK__GFX_TCC_INDEX2_END =
198 AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_TAG_PROBE_FIFO,
199 /* TCC range 3 */
200 AMDGPU_RAS_BLOCK__GFX_TCC_INDEX3_START,
201 AMDGPU_RAS_BLOCK__GFX_TCC_LATENCY_FIFO =
202 AMDGPU_RAS_BLOCK__GFX_TCC_INDEX3_START,
203 AMDGPU_RAS_BLOCK__GFX_TCC_LATENCY_FIFO_NEXT_RAM,
204 AMDGPU_RAS_BLOCK__GFX_TCC_INDEX3_END =
205 AMDGPU_RAS_BLOCK__GFX_TCC_LATENCY_FIFO_NEXT_RAM,
206 /* TCC range 4 */
207 AMDGPU_RAS_BLOCK__GFX_TCC_INDEX4_START,
208 AMDGPU_RAS_BLOCK__GFX_TCC_WRRET_TAG_WRITE_RETURN =
209 AMDGPU_RAS_BLOCK__GFX_TCC_INDEX4_START,
210 AMDGPU_RAS_BLOCK__GFX_TCC_ATOMIC_RETURN_BUFFER,
211 AMDGPU_RAS_BLOCK__GFX_TCC_INDEX4_END =
212 AMDGPU_RAS_BLOCK__GFX_TCC_ATOMIC_RETURN_BUFFER,
213 AMDGPU_RAS_BLOCK__GFX_TCC_INDEX_END =
214 AMDGPU_RAS_BLOCK__GFX_TCC_INDEX4_END,
215 /* TCI */
216 AMDGPU_RAS_BLOCK__GFX_TCI_WRITE_RAM,
217 /* TCP */
218 AMDGPU_RAS_BLOCK__GFX_TCP_INDEX_START,
219 AMDGPU_RAS_BLOCK__GFX_TCP_CACHE_RAM =
220 AMDGPU_RAS_BLOCK__GFX_TCP_INDEX_START,
221 AMDGPU_RAS_BLOCK__GFX_TCP_LFIFO_RAM,
222 AMDGPU_RAS_BLOCK__GFX_TCP_CMD_FIFO,
223 AMDGPU_RAS_BLOCK__GFX_TCP_VM_FIFO,
224 AMDGPU_RAS_BLOCK__GFX_TCP_DB_RAM,
225 AMDGPU_RAS_BLOCK__GFX_TCP_UTCL1_LFIFO0,
226 AMDGPU_RAS_BLOCK__GFX_TCP_UTCL1_LFIFO1,
227 AMDGPU_RAS_BLOCK__GFX_TCP_INDEX_END =
228 AMDGPU_RAS_BLOCK__GFX_TCP_UTCL1_LFIFO1,
229 /* TD */
230 AMDGPU_RAS_BLOCK__GFX_TD_INDEX_START,
231 AMDGPU_RAS_BLOCK__GFX_TD_SS_FIFO_LO =
232 AMDGPU_RAS_BLOCK__GFX_TD_INDEX_START,
233 AMDGPU_RAS_BLOCK__GFX_TD_SS_FIFO_HI,
234 AMDGPU_RAS_BLOCK__GFX_TD_CS_FIFO,
235 AMDGPU_RAS_BLOCK__GFX_TD_INDEX_END = AMDGPU_RAS_BLOCK__GFX_TD_CS_FIFO,
236 /* EA (3 sub-ranges) */
237 AMDGPU_RAS_BLOCK__GFX_EA_INDEX_START,
238 /* EA range 0 */
239 AMDGPU_RAS_BLOCK__GFX_EA_INDEX0_START =
240 AMDGPU_RAS_BLOCK__GFX_EA_INDEX_START,
241 AMDGPU_RAS_BLOCK__GFX_EA_DRAMRD_CMDMEM =
242 AMDGPU_RAS_BLOCK__GFX_EA_INDEX0_START,
243 AMDGPU_RAS_BLOCK__GFX_EA_DRAMWR_CMDMEM,
244 AMDGPU_RAS_BLOCK__GFX_EA_DRAMWR_DATAMEM,
245 AMDGPU_RAS_BLOCK__GFX_EA_RRET_TAGMEM,
246 AMDGPU_RAS_BLOCK__GFX_EA_WRET_TAGMEM,
247 AMDGPU_RAS_BLOCK__GFX_EA_GMIRD_CMDMEM,
248 AMDGPU_RAS_BLOCK__GFX_EA_GMIWR_CMDMEM,
249 AMDGPU_RAS_BLOCK__GFX_EA_GMIWR_DATAMEM,
250 AMDGPU_RAS_BLOCK__GFX_EA_INDEX0_END =
251 AMDGPU_RAS_BLOCK__GFX_EA_GMIWR_DATAMEM,
252 /* EA range 1 */
253 AMDGPU_RAS_BLOCK__GFX_EA_INDEX1_START,
254 AMDGPU_RAS_BLOCK__GFX_EA_DRAMRD_PAGEMEM =
255 AMDGPU_RAS_BLOCK__GFX_EA_INDEX1_START,
256 AMDGPU_RAS_BLOCK__GFX_EA_DRAMWR_PAGEMEM,
257 AMDGPU_RAS_BLOCK__GFX_EA_IORD_CMDMEM,
258 AMDGPU_RAS_BLOCK__GFX_EA_IOWR_CMDMEM,
259 AMDGPU_RAS_BLOCK__GFX_EA_IOWR_DATAMEM,
260 AMDGPU_RAS_BLOCK__GFX_EA_GMIRD_PAGEMEM,
261 AMDGPU_RAS_BLOCK__GFX_EA_GMIWR_PAGEMEM,
262 AMDGPU_RAS_BLOCK__GFX_EA_INDEX1_END =
263 AMDGPU_RAS_BLOCK__GFX_EA_GMIWR_PAGEMEM,
264 /* EA range 2 */
265 AMDGPU_RAS_BLOCK__GFX_EA_INDEX2_START,
266 AMDGPU_RAS_BLOCK__GFX_EA_MAM_D0MEM =
267 AMDGPU_RAS_BLOCK__GFX_EA_INDEX2_START,
268 AMDGPU_RAS_BLOCK__GFX_EA_MAM_D1MEM,
269 AMDGPU_RAS_BLOCK__GFX_EA_MAM_D2MEM,
270 AMDGPU_RAS_BLOCK__GFX_EA_MAM_D3MEM,
271 AMDGPU_RAS_BLOCK__GFX_EA_INDEX2_END =
272 AMDGPU_RAS_BLOCK__GFX_EA_MAM_D3MEM,
273 AMDGPU_RAS_BLOCK__GFX_EA_INDEX_END =
274 AMDGPU_RAS_BLOCK__GFX_EA_INDEX2_END,
275 /* UTC VM L2 bank */
276 AMDGPU_RAS_BLOCK__UTC_VML2_BANK_CACHE,
277 /* UTC VM walker */
278 AMDGPU_RAS_BLOCK__UTC_VML2_WALKER,
279 /* UTC ATC L2 2MB cache */
280 AMDGPU_RAS_BLOCK__UTC_ATCL2_CACHE_2M_BANK,
281 /* UTC ATC L2 4KB cache */
282 AMDGPU_RAS_BLOCK__UTC_ATCL2_CACHE_4K_BANK,
283 AMDGPU_RAS_BLOCK__GFX_MAX
284};
285
286enum amdgpu_ras_error_type {
287 AMDGPU_RAS_ERROR__NONE = 0,
288 AMDGPU_RAS_ERROR__PARITY = 1,
289 AMDGPU_RAS_ERROR__SINGLE_CORRECTABLE = 2,
290 AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE = 4,
291 AMDGPU_RAS_ERROR__POISON = 8,
292};
293
294enum amdgpu_ras_ret {
295 AMDGPU_RAS_SUCCESS = 0,
296 AMDGPU_RAS_FAIL,
297 AMDGPU_RAS_UE,
298 AMDGPU_RAS_CE,
299 AMDGPU_RAS_PT,
300};
301
302struct ras_common_if {
303 enum amdgpu_ras_block block;
304 enum amdgpu_ras_error_type type;
305 uint32_t sub_block_index;
306 /* block name */
307 char name[32];
308};
309
310struct amdgpu_ras {
311 /* ras infrastructure */
312 /* for ras itself. */
313 uint32_t hw_supported;
314 /* for IP to check its ras ability. */
315 uint32_t supported;
316 uint32_t features;
317 struct list_head head;
318 /* debugfs */
319 struct dentry *dir;
320 /* sysfs */
321 struct device_attribute features_attr;
322 struct bin_attribute badpages_attr;
323 /* block array */
324 struct ras_manager *objs;
325
326 /* gpu recovery */
327 struct work_struct recovery_work;
328 atomic_t in_recovery;
329 struct amdgpu_device *adev;
330 /* error handler data */
331 struct ras_err_handler_data *eh_data;
332 struct mutex recovery_lock;
333
334 uint32_t flags;
335 bool reboot;
336 struct amdgpu_ras_eeprom_control eeprom_control;
337};
338
339struct ras_fs_data {
340 char sysfs_name[32];
341 char debugfs_name[32];
342};
343
344struct ras_err_data {
345 unsigned long ue_count;
346 unsigned long ce_count;
347 unsigned long err_addr_cnt;
348 struct eeprom_table_record *err_addr;
349};
350
351struct ras_err_handler_data {
352 /* point to bad page records array */
353 struct eeprom_table_record *bps;
354 /* point to reserved bo array */
355 struct amdgpu_bo **bps_bo;
356 /* the count of entries */
357 int count;
358 /* the space can place new entries */
359 int space_left;
360 /* last reserved entry's index + 1 */
361 int last_reserved;
362};
363
364typedef int (*ras_ih_cb)(struct amdgpu_device *adev,
365 void *err_data,
366 struct amdgpu_iv_entry *entry);
367
368struct ras_ih_data {
369 /* interrupt bottom half */
370 struct work_struct ih_work;
371 int inuse;
372 /* IP callback */
373 ras_ih_cb cb;
374 /* full of entries */
375 unsigned char *ring;
376 unsigned int ring_size;
377 unsigned int element_size;
378 unsigned int aligned_element_size;
379 unsigned int rptr;
380 unsigned int wptr;
381};
382
383struct ras_manager {
384 struct ras_common_if head;
385 /* reference count */
386 int use;
387 /* ras block link */
388 struct list_head node;
389 /* the device */
390 struct amdgpu_device *adev;
391 /* debugfs */
392 struct dentry *ent;
393 /* sysfs */
394 struct device_attribute sysfs_attr;
395 int attr_inuse;
396
397 /* fs node name */
398 struct ras_fs_data fs_data;
399
400 /* IH data */
401 struct ras_ih_data ih_data;
402
403 struct ras_err_data err_data;
404};
405
406struct ras_badpage {
407 unsigned int bp;
408 unsigned int size;
409 unsigned int flags;
410};
411
412/* interfaces for IP */
413struct ras_fs_if {
414 struct ras_common_if head;
415 char sysfs_name[32];
416 char debugfs_name[32];
417};
418
419struct ras_query_if {
420 struct ras_common_if head;
421 unsigned long ue_count;
422 unsigned long ce_count;
423};
424
425struct ras_inject_if {
426 struct ras_common_if head;
427 uint64_t address;
428 uint64_t value;
429};
430
431struct ras_cure_if {
432 struct ras_common_if head;
433 uint64_t address;
434};
435
436struct ras_ih_if {
437 struct ras_common_if head;
438 ras_ih_cb cb;
439};
440
441struct ras_dispatch_if {
442 struct ras_common_if head;
443 struct amdgpu_iv_entry *entry;
444};
445
446struct ras_debug_if {
447 union {
448 struct ras_common_if head;
449 struct ras_inject_if inject;
450 };
451 int op;
452};
453/* work flow
454 * vbios
455 * 1: ras feature enable (enabled by default)
456 * psp
457 * 2: ras framework init (in ip_init)
458 * IP
459 * 3: IH add
460 * 4: debugfs/sysfs create
461 * 5: query/inject
462 * 6: debugfs/sysfs remove
463 * 7: IH remove
464 * 8: feature disable
465 */
466
467#define amdgpu_ras_get_context(adev) ((adev)->psp.ras.ras)
468#define amdgpu_ras_set_context(adev, ras_con) ((adev)->psp.ras.ras = (ras_con))
469
470/* check if ras is supported on block, say, sdma, gfx */
471static inline int amdgpu_ras_is_supported(struct amdgpu_device *adev,
472 unsigned int block)
473{
474 struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
475
476 if (block >= AMDGPU_RAS_BLOCK_COUNT)
477 return 0;
478 return ras && (ras->supported & (1 << block));
479}
480
481int amdgpu_ras_recovery_init(struct amdgpu_device *adev);
482int amdgpu_ras_request_reset_on_boot(struct amdgpu_device *adev,
483 unsigned int block);
484
485void amdgpu_ras_resume(struct amdgpu_device *adev);
486void amdgpu_ras_suspend(struct amdgpu_device *adev);
487
488unsigned long amdgpu_ras_query_error_count(struct amdgpu_device *adev,
489 bool is_ce);
490
491/* error handling functions */
492int amdgpu_ras_add_bad_pages(struct amdgpu_device *adev,
493 struct eeprom_table_record *bps, int pages);
494
495int amdgpu_ras_reserve_bad_pages(struct amdgpu_device *adev);
496
497static inline int amdgpu_ras_reset_gpu(struct amdgpu_device *adev)
498{
499 struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
500
501 /* save bad page to eeprom before gpu reset,
502 * i2c may be unstable in gpu reset
503 */
504 if (in_task())
505 amdgpu_ras_reserve_bad_pages(adev);
506
507 if (atomic_cmpxchg(&ras->in_recovery, 0, 1) == 0)
508 schedule_work(&ras->recovery_work);
509 return 0;
510}
511
512static inline enum ta_ras_block
513amdgpu_ras_block_to_ta(enum amdgpu_ras_block block) {
514 switch (block) {
515 case AMDGPU_RAS_BLOCK__UMC:
516 return TA_RAS_BLOCK__UMC;
517 case AMDGPU_RAS_BLOCK__SDMA:
518 return TA_RAS_BLOCK__SDMA;
519 case AMDGPU_RAS_BLOCK__GFX:
520 return TA_RAS_BLOCK__GFX;
521 case AMDGPU_RAS_BLOCK__MMHUB:
522 return TA_RAS_BLOCK__MMHUB;
523 case AMDGPU_RAS_BLOCK__ATHUB:
524 return TA_RAS_BLOCK__ATHUB;
525 case AMDGPU_RAS_BLOCK__PCIE_BIF:
526 return TA_RAS_BLOCK__PCIE_BIF;
527 case AMDGPU_RAS_BLOCK__HDP:
528 return TA_RAS_BLOCK__HDP;
529 case AMDGPU_RAS_BLOCK__XGMI_WAFL:
530 return TA_RAS_BLOCK__XGMI_WAFL;
531 case AMDGPU_RAS_BLOCK__DF:
532 return TA_RAS_BLOCK__DF;
533 case AMDGPU_RAS_BLOCK__SMN:
534 return TA_RAS_BLOCK__SMN;
535 case AMDGPU_RAS_BLOCK__SEM:
536 return TA_RAS_BLOCK__SEM;
537 case AMDGPU_RAS_BLOCK__MP0:
538 return TA_RAS_BLOCK__MP0;
539 case AMDGPU_RAS_BLOCK__MP1:
540 return TA_RAS_BLOCK__MP1;
541 case AMDGPU_RAS_BLOCK__FUSE:
542 return TA_RAS_BLOCK__FUSE;
543 default:
544 WARN_ONCE(1, "RAS ERROR: unexpected block id %d\n", block);
545 return TA_RAS_BLOCK__UMC;
546 }
547}
548
549static inline enum ta_ras_error_type
550amdgpu_ras_error_to_ta(enum amdgpu_ras_error_type error) {
551 switch (error) {
552 case AMDGPU_RAS_ERROR__NONE:
553 return TA_RAS_ERROR__NONE;
554 case AMDGPU_RAS_ERROR__PARITY:
555 return TA_RAS_ERROR__PARITY;
556 case AMDGPU_RAS_ERROR__SINGLE_CORRECTABLE:
557 return TA_RAS_ERROR__SINGLE_CORRECTABLE;
558 case AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE:
559 return TA_RAS_ERROR__MULTI_UNCORRECTABLE;
560 case AMDGPU_RAS_ERROR__POISON:
561 return TA_RAS_ERROR__POISON;
562 default:
563 WARN_ONCE(1, "RAS ERROR: unexpected error type %d\n", error);
564 return TA_RAS_ERROR__NONE;
565 }
566}
567
568/* called in ip_init and ip_fini */
569int amdgpu_ras_init(struct amdgpu_device *adev);
570int amdgpu_ras_fini(struct amdgpu_device *adev);
571int amdgpu_ras_pre_fini(struct amdgpu_device *adev);
572int amdgpu_ras_late_init(struct amdgpu_device *adev,
573 struct ras_common_if *ras_block,
574 struct ras_fs_if *fs_info,
575 struct ras_ih_if *ih_info);
576void amdgpu_ras_late_fini(struct amdgpu_device *adev,
577 struct ras_common_if *ras_block,
578 struct ras_ih_if *ih_info);
579
580int amdgpu_ras_feature_enable(struct amdgpu_device *adev,
581 struct ras_common_if *head, bool enable);
582
583int amdgpu_ras_feature_enable_on_boot(struct amdgpu_device *adev,
584 struct ras_common_if *head, bool enable);
585
586int amdgpu_ras_sysfs_create(struct amdgpu_device *adev,
587 struct ras_fs_if *head);
588
589int amdgpu_ras_sysfs_remove(struct amdgpu_device *adev,
590 struct ras_common_if *head);
591
592void amdgpu_ras_debugfs_create(struct amdgpu_device *adev,
593 struct ras_fs_if *head);
594
595void amdgpu_ras_debugfs_remove(struct amdgpu_device *adev,
596 struct ras_common_if *head);
597
598int amdgpu_ras_error_query(struct amdgpu_device *adev,
599 struct ras_query_if *info);
600
601int amdgpu_ras_error_inject(struct amdgpu_device *adev,
602 struct ras_inject_if *info);
603
604int amdgpu_ras_interrupt_add_handler(struct amdgpu_device *adev,
605 struct ras_ih_if *info);
606
607int amdgpu_ras_interrupt_remove_handler(struct amdgpu_device *adev,
608 struct ras_ih_if *info);
609
610int amdgpu_ras_interrupt_dispatch(struct amdgpu_device *adev,
611 struct ras_dispatch_if *info);
612
613struct ras_manager *amdgpu_ras_find_obj(struct amdgpu_device *adev,
614 struct ras_common_if *head);
615
616extern atomic_t amdgpu_ras_in_intr;
617
618static inline bool amdgpu_ras_intr_triggered(void)
619{
620 return !!atomic_read(&amdgpu_ras_in_intr);
621}
622
623static inline void amdgpu_ras_intr_cleared(void)
624{
625 atomic_set(&amdgpu_ras_in_intr, 0);
626}
627
628void amdgpu_ras_global_ras_isr(struct amdgpu_device *adev);
629
630#endif