1/* $NetBSD: amdgpu_ras.h,v 1.3 2021/12/19 10:59:01 riastradh Exp $ */ 2 3/* 4 * Copyright 2018 Advanced Micro Devices, Inc. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 * 24 * 25 */ 26#ifndef _AMDGPU_RAS_H 27#define _AMDGPU_RAS_H 28 29#include <linux/debugfs.h> 30#include <linux/list.h> 31#include "amdgpu.h" 32#include "amdgpu_psp.h" 33#include "ta_ras_if.h" 34#include "amdgpu_ras_eeprom.h" 35 36enum amdgpu_ras_block { 37 AMDGPU_RAS_BLOCK__UMC = 0, 38 AMDGPU_RAS_BLOCK__SDMA, 39 AMDGPU_RAS_BLOCK__GFX, 40 AMDGPU_RAS_BLOCK__MMHUB, 41 AMDGPU_RAS_BLOCK__ATHUB, 42 AMDGPU_RAS_BLOCK__PCIE_BIF, 43 AMDGPU_RAS_BLOCK__HDP, 44 AMDGPU_RAS_BLOCK__XGMI_WAFL, 45 AMDGPU_RAS_BLOCK__DF, 46 AMDGPU_RAS_BLOCK__SMN, 47 AMDGPU_RAS_BLOCK__SEM, 48 AMDGPU_RAS_BLOCK__MP0, 49 AMDGPU_RAS_BLOCK__MP1, 50 AMDGPU_RAS_BLOCK__FUSE, 51 52 AMDGPU_RAS_BLOCK__LAST 53}; 54 55#define AMDGPU_RAS_BLOCK_COUNT AMDGPU_RAS_BLOCK__LAST 56#define AMDGPU_RAS_BLOCK_MASK ((1ULL << AMDGPU_RAS_BLOCK_COUNT) - 1) 57 58enum amdgpu_ras_gfx_subblock { 59 /* CPC */ 60 AMDGPU_RAS_BLOCK__GFX_CPC_INDEX_START = 0, 61 AMDGPU_RAS_BLOCK__GFX_CPC_SCRATCH = 62 AMDGPU_RAS_BLOCK__GFX_CPC_INDEX_START, 63 AMDGPU_RAS_BLOCK__GFX_CPC_UCODE, 64 AMDGPU_RAS_BLOCK__GFX_DC_STATE_ME1, 65 AMDGPU_RAS_BLOCK__GFX_DC_CSINVOC_ME1, 66 AMDGPU_RAS_BLOCK__GFX_DC_RESTORE_ME1, 67 AMDGPU_RAS_BLOCK__GFX_DC_STATE_ME2, 68 AMDGPU_RAS_BLOCK__GFX_DC_CSINVOC_ME2, 69 AMDGPU_RAS_BLOCK__GFX_DC_RESTORE_ME2, 70 AMDGPU_RAS_BLOCK__GFX_CPC_INDEX_END = 71 AMDGPU_RAS_BLOCK__GFX_DC_RESTORE_ME2, 72 /* CPF */ 73 AMDGPU_RAS_BLOCK__GFX_CPF_INDEX_START, 74 AMDGPU_RAS_BLOCK__GFX_CPF_ROQ_ME2 = 75 AMDGPU_RAS_BLOCK__GFX_CPF_INDEX_START, 76 AMDGPU_RAS_BLOCK__GFX_CPF_ROQ_ME1, 77 AMDGPU_RAS_BLOCK__GFX_CPF_TAG, 78 AMDGPU_RAS_BLOCK__GFX_CPF_INDEX_END = AMDGPU_RAS_BLOCK__GFX_CPF_TAG, 79 /* CPG */ 80 AMDGPU_RAS_BLOCK__GFX_CPG_INDEX_START, 81 AMDGPU_RAS_BLOCK__GFX_CPG_DMA_ROQ = 82 AMDGPU_RAS_BLOCK__GFX_CPG_INDEX_START, 83 AMDGPU_RAS_BLOCK__GFX_CPG_DMA_TAG, 84 AMDGPU_RAS_BLOCK__GFX_CPG_TAG, 85 AMDGPU_RAS_BLOCK__GFX_CPG_INDEX_END = AMDGPU_RAS_BLOCK__GFX_CPG_TAG, 86 /* GDS */ 87 AMDGPU_RAS_BLOCK__GFX_GDS_INDEX_START, 88 AMDGPU_RAS_BLOCK__GFX_GDS_MEM = AMDGPU_RAS_BLOCK__GFX_GDS_INDEX_START, 89 AMDGPU_RAS_BLOCK__GFX_GDS_INPUT_QUEUE, 90 AMDGPU_RAS_BLOCK__GFX_GDS_OA_PHY_CMD_RAM_MEM, 91 AMDGPU_RAS_BLOCK__GFX_GDS_OA_PHY_DATA_RAM_MEM, 92 AMDGPU_RAS_BLOCK__GFX_GDS_OA_PIPE_MEM, 93 AMDGPU_RAS_BLOCK__GFX_GDS_INDEX_END = 94 AMDGPU_RAS_BLOCK__GFX_GDS_OA_PIPE_MEM, 95 /* SPI */ 96 AMDGPU_RAS_BLOCK__GFX_SPI_SR_MEM, 97 /* SQ */ 98 AMDGPU_RAS_BLOCK__GFX_SQ_INDEX_START, 99 AMDGPU_RAS_BLOCK__GFX_SQ_SGPR = AMDGPU_RAS_BLOCK__GFX_SQ_INDEX_START, 100 AMDGPU_RAS_BLOCK__GFX_SQ_LDS_D, 101 AMDGPU_RAS_BLOCK__GFX_SQ_LDS_I, 102 AMDGPU_RAS_BLOCK__GFX_SQ_VGPR, 103 AMDGPU_RAS_BLOCK__GFX_SQ_INDEX_END = AMDGPU_RAS_BLOCK__GFX_SQ_VGPR, 104 /* SQC (3 ranges) */ 105 AMDGPU_RAS_BLOCK__GFX_SQC_INDEX_START, 106 /* SQC range 0 */ 107 AMDGPU_RAS_BLOCK__GFX_SQC_INDEX0_START = 108 AMDGPU_RAS_BLOCK__GFX_SQC_INDEX_START, 109 AMDGPU_RAS_BLOCK__GFX_SQC_INST_UTCL1_LFIFO = 110 AMDGPU_RAS_BLOCK__GFX_SQC_INDEX0_START, 111 AMDGPU_RAS_BLOCK__GFX_SQC_DATA_CU0_WRITE_DATA_BUF, 112 AMDGPU_RAS_BLOCK__GFX_SQC_DATA_CU0_UTCL1_LFIFO, 113 AMDGPU_RAS_BLOCK__GFX_SQC_DATA_CU1_WRITE_DATA_BUF, 114 AMDGPU_RAS_BLOCK__GFX_SQC_DATA_CU1_UTCL1_LFIFO, 115 AMDGPU_RAS_BLOCK__GFX_SQC_DATA_CU2_WRITE_DATA_BUF, 116 AMDGPU_RAS_BLOCK__GFX_SQC_DATA_CU2_UTCL1_LFIFO, 117 AMDGPU_RAS_BLOCK__GFX_SQC_INDEX0_END = 118 AMDGPU_RAS_BLOCK__GFX_SQC_DATA_CU2_UTCL1_LFIFO, 119 /* SQC range 1 */ 120 AMDGPU_RAS_BLOCK__GFX_SQC_INDEX1_START, 121 AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKA_TAG_RAM = 122 AMDGPU_RAS_BLOCK__GFX_SQC_INDEX1_START, 123 AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKA_UTCL1_MISS_FIFO, 124 AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKA_MISS_FIFO, 125 AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKA_BANK_RAM, 126 AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKA_TAG_RAM, 127 AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKA_HIT_FIFO, 128 AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKA_MISS_FIFO, 129 AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKA_DIRTY_BIT_RAM, 130 AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKA_BANK_RAM, 131 AMDGPU_RAS_BLOCK__GFX_SQC_INDEX1_END = 132 AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKA_BANK_RAM, 133 /* SQC range 2 */ 134 AMDGPU_RAS_BLOCK__GFX_SQC_INDEX2_START, 135 AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKB_TAG_RAM = 136 AMDGPU_RAS_BLOCK__GFX_SQC_INDEX2_START, 137 AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKB_UTCL1_MISS_FIFO, 138 AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKB_MISS_FIFO, 139 AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKB_BANK_RAM, 140 AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKB_TAG_RAM, 141 AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKB_HIT_FIFO, 142 AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKB_MISS_FIFO, 143 AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKB_DIRTY_BIT_RAM, 144 AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKB_BANK_RAM, 145 AMDGPU_RAS_BLOCK__GFX_SQC_INDEX2_END = 146 AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKB_BANK_RAM, 147 AMDGPU_RAS_BLOCK__GFX_SQC_INDEX_END = 148 AMDGPU_RAS_BLOCK__GFX_SQC_INDEX2_END, 149 /* TA */ 150 AMDGPU_RAS_BLOCK__GFX_TA_INDEX_START, 151 AMDGPU_RAS_BLOCK__GFX_TA_FS_DFIFO = 152 AMDGPU_RAS_BLOCK__GFX_TA_INDEX_START, 153 AMDGPU_RAS_BLOCK__GFX_TA_FS_AFIFO, 154 AMDGPU_RAS_BLOCK__GFX_TA_FL_LFIFO, 155 AMDGPU_RAS_BLOCK__GFX_TA_FX_LFIFO, 156 AMDGPU_RAS_BLOCK__GFX_TA_FS_CFIFO, 157 AMDGPU_RAS_BLOCK__GFX_TA_INDEX_END = AMDGPU_RAS_BLOCK__GFX_TA_FS_CFIFO, 158 /* TCA */ 159 AMDGPU_RAS_BLOCK__GFX_TCA_INDEX_START, 160 AMDGPU_RAS_BLOCK__GFX_TCA_HOLE_FIFO = 161 AMDGPU_RAS_BLOCK__GFX_TCA_INDEX_START, 162 AMDGPU_RAS_BLOCK__GFX_TCA_REQ_FIFO, 163 AMDGPU_RAS_BLOCK__GFX_TCA_INDEX_END = 164 AMDGPU_RAS_BLOCK__GFX_TCA_REQ_FIFO, 165 /* TCC (5 sub-ranges) */ 166 AMDGPU_RAS_BLOCK__GFX_TCC_INDEX_START, 167 /* TCC range 0 */ 168 AMDGPU_RAS_BLOCK__GFX_TCC_INDEX0_START = 169 AMDGPU_RAS_BLOCK__GFX_TCC_INDEX_START, 170 AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_DATA = 171 AMDGPU_RAS_BLOCK__GFX_TCC_INDEX0_START, 172 AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_DATA_BANK_0_1, 173 AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_DATA_BANK_1_0, 174 AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_DATA_BANK_1_1, 175 AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_DIRTY_BANK_0, 176 AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_DIRTY_BANK_1, 177 AMDGPU_RAS_BLOCK__GFX_TCC_HIGH_RATE_TAG, 178 AMDGPU_RAS_BLOCK__GFX_TCC_LOW_RATE_TAG, 179 AMDGPU_RAS_BLOCK__GFX_TCC_INDEX0_END = 180 AMDGPU_RAS_BLOCK__GFX_TCC_LOW_RATE_TAG, 181 /* TCC range 1 */ 182 AMDGPU_RAS_BLOCK__GFX_TCC_INDEX1_START, 183 AMDGPU_RAS_BLOCK__GFX_TCC_IN_USE_DEC = 184 AMDGPU_RAS_BLOCK__GFX_TCC_INDEX1_START, 185 AMDGPU_RAS_BLOCK__GFX_TCC_IN_USE_TRANSFER, 186 AMDGPU_RAS_BLOCK__GFX_TCC_INDEX1_END = 187 AMDGPU_RAS_BLOCK__GFX_TCC_IN_USE_TRANSFER, 188 /* TCC range 2 */ 189 AMDGPU_RAS_BLOCK__GFX_TCC_INDEX2_START, 190 AMDGPU_RAS_BLOCK__GFX_TCC_RETURN_DATA = 191 AMDGPU_RAS_BLOCK__GFX_TCC_INDEX2_START, 192 AMDGPU_RAS_BLOCK__GFX_TCC_RETURN_CONTROL, 193 AMDGPU_RAS_BLOCK__GFX_TCC_UC_ATOMIC_FIFO, 194 AMDGPU_RAS_BLOCK__GFX_TCC_WRITE_RETURN, 195 AMDGPU_RAS_BLOCK__GFX_TCC_WRITE_CACHE_READ, 196 AMDGPU_RAS_BLOCK__GFX_TCC_SRC_FIFO, 197 AMDGPU_RAS_BLOCK__GFX_TCC_SRC_FIFO_NEXT_RAM, 198 AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_TAG_PROBE_FIFO, 199 AMDGPU_RAS_BLOCK__GFX_TCC_INDEX2_END = 200 AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_TAG_PROBE_FIFO, 201 /* TCC range 3 */ 202 AMDGPU_RAS_BLOCK__GFX_TCC_INDEX3_START, 203 AMDGPU_RAS_BLOCK__GFX_TCC_LATENCY_FIFO = 204 AMDGPU_RAS_BLOCK__GFX_TCC_INDEX3_START, 205 AMDGPU_RAS_BLOCK__GFX_TCC_LATENCY_FIFO_NEXT_RAM, 206 AMDGPU_RAS_BLOCK__GFX_TCC_INDEX3_END = 207 AMDGPU_RAS_BLOCK__GFX_TCC_LATENCY_FIFO_NEXT_RAM, 208 /* TCC range 4 */ 209 AMDGPU_RAS_BLOCK__GFX_TCC_INDEX4_START, 210 AMDGPU_RAS_BLOCK__GFX_TCC_WRRET_TAG_WRITE_RETURN = 211 AMDGPU_RAS_BLOCK__GFX_TCC_INDEX4_START, 212 AMDGPU_RAS_BLOCK__GFX_TCC_ATOMIC_RETURN_BUFFER, 213 AMDGPU_RAS_BLOCK__GFX_TCC_INDEX4_END = 214 AMDGPU_RAS_BLOCK__GFX_TCC_ATOMIC_RETURN_BUFFER, 215 AMDGPU_RAS_BLOCK__GFX_TCC_INDEX_END = 216 AMDGPU_RAS_BLOCK__GFX_TCC_INDEX4_END, 217 /* TCI */ 218 AMDGPU_RAS_BLOCK__GFX_TCI_WRITE_RAM, 219 /* TCP */ 220 AMDGPU_RAS_BLOCK__GFX_TCP_INDEX_START, 221 AMDGPU_RAS_BLOCK__GFX_TCP_CACHE_RAM = 222 AMDGPU_RAS_BLOCK__GFX_TCP_INDEX_START, 223 AMDGPU_RAS_BLOCK__GFX_TCP_LFIFO_RAM, 224 AMDGPU_RAS_BLOCK__GFX_TCP_CMD_FIFO, 225 AMDGPU_RAS_BLOCK__GFX_TCP_VM_FIFO, 226 AMDGPU_RAS_BLOCK__GFX_TCP_DB_RAM, 227 AMDGPU_RAS_BLOCK__GFX_TCP_UTCL1_LFIFO0, 228 AMDGPU_RAS_BLOCK__GFX_TCP_UTCL1_LFIFO1, 229 AMDGPU_RAS_BLOCK__GFX_TCP_INDEX_END = 230 AMDGPU_RAS_BLOCK__GFX_TCP_UTCL1_LFIFO1, 231 /* TD */ 232 AMDGPU_RAS_BLOCK__GFX_TD_INDEX_START, 233 AMDGPU_RAS_BLOCK__GFX_TD_SS_FIFO_LO = 234 AMDGPU_RAS_BLOCK__GFX_TD_INDEX_START, 235 AMDGPU_RAS_BLOCK__GFX_TD_SS_FIFO_HI, 236 AMDGPU_RAS_BLOCK__GFX_TD_CS_FIFO, 237 AMDGPU_RAS_BLOCK__GFX_TD_INDEX_END = AMDGPU_RAS_BLOCK__GFX_TD_CS_FIFO, 238 /* EA (3 sub-ranges) */ 239 AMDGPU_RAS_BLOCK__GFX_EA_INDEX_START, 240 /* EA range 0 */ 241 AMDGPU_RAS_BLOCK__GFX_EA_INDEX0_START = 242 AMDGPU_RAS_BLOCK__GFX_EA_INDEX_START, 243 AMDGPU_RAS_BLOCK__GFX_EA_DRAMRD_CMDMEM = 244 AMDGPU_RAS_BLOCK__GFX_EA_INDEX0_START, 245 AMDGPU_RAS_BLOCK__GFX_EA_DRAMWR_CMDMEM, 246 AMDGPU_RAS_BLOCK__GFX_EA_DRAMWR_DATAMEM, 247 AMDGPU_RAS_BLOCK__GFX_EA_RRET_TAGMEM, 248 AMDGPU_RAS_BLOCK__GFX_EA_WRET_TAGMEM, 249 AMDGPU_RAS_BLOCK__GFX_EA_GMIRD_CMDMEM, 250 AMDGPU_RAS_BLOCK__GFX_EA_GMIWR_CMDMEM, 251 AMDGPU_RAS_BLOCK__GFX_EA_GMIWR_DATAMEM, 252 AMDGPU_RAS_BLOCK__GFX_EA_INDEX0_END = 253 AMDGPU_RAS_BLOCK__GFX_EA_GMIWR_DATAMEM, 254 /* EA range 1 */ 255 AMDGPU_RAS_BLOCK__GFX_EA_INDEX1_START, 256 AMDGPU_RAS_BLOCK__GFX_EA_DRAMRD_PAGEMEM = 257 AMDGPU_RAS_BLOCK__GFX_EA_INDEX1_START, 258 AMDGPU_RAS_BLOCK__GFX_EA_DRAMWR_PAGEMEM, 259 AMDGPU_RAS_BLOCK__GFX_EA_IORD_CMDMEM, 260 AMDGPU_RAS_BLOCK__GFX_EA_IOWR_CMDMEM, 261 AMDGPU_RAS_BLOCK__GFX_EA_IOWR_DATAMEM, 262 AMDGPU_RAS_BLOCK__GFX_EA_GMIRD_PAGEMEM, 263 AMDGPU_RAS_BLOCK__GFX_EA_GMIWR_PAGEMEM, 264 AMDGPU_RAS_BLOCK__GFX_EA_INDEX1_END = 265 AMDGPU_RAS_BLOCK__GFX_EA_GMIWR_PAGEMEM, 266 /* EA range 2 */ 267 AMDGPU_RAS_BLOCK__GFX_EA_INDEX2_START, 268 AMDGPU_RAS_BLOCK__GFX_EA_MAM_D0MEM = 269 AMDGPU_RAS_BLOCK__GFX_EA_INDEX2_START, 270 AMDGPU_RAS_BLOCK__GFX_EA_MAM_D1MEM, 271 AMDGPU_RAS_BLOCK__GFX_EA_MAM_D2MEM, 272 AMDGPU_RAS_BLOCK__GFX_EA_MAM_D3MEM, 273 AMDGPU_RAS_BLOCK__GFX_EA_INDEX2_END = 274 AMDGPU_RAS_BLOCK__GFX_EA_MAM_D3MEM, 275 AMDGPU_RAS_BLOCK__GFX_EA_INDEX_END = 276 AMDGPU_RAS_BLOCK__GFX_EA_INDEX2_END, 277 /* UTC VM L2 bank */ 278 AMDGPU_RAS_BLOCK__UTC_VML2_BANK_CACHE, 279 /* UTC VM walker */ 280 AMDGPU_RAS_BLOCK__UTC_VML2_WALKER, 281 /* UTC ATC L2 2MB cache */ 282 AMDGPU_RAS_BLOCK__UTC_ATCL2_CACHE_2M_BANK, 283 /* UTC ATC L2 4KB cache */ 284 AMDGPU_RAS_BLOCK__UTC_ATCL2_CACHE_4K_BANK, 285 AMDGPU_RAS_BLOCK__GFX_MAX 286}; 287 288enum amdgpu_ras_error_type { 289 AMDGPU_RAS_ERROR__NONE = 0, 290 AMDGPU_RAS_ERROR__PARITY = 1, 291 AMDGPU_RAS_ERROR__SINGLE_CORRECTABLE = 2, 292 AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE = 4, 293 AMDGPU_RAS_ERROR__POISON = 8, 294}; 295 296enum amdgpu_ras_ret { 297 AMDGPU_RAS_SUCCESS = 0, 298 AMDGPU_RAS_FAIL, 299 AMDGPU_RAS_UE, 300 AMDGPU_RAS_CE, 301 AMDGPU_RAS_PT, 302}; 303 304struct ras_common_if { 305 enum amdgpu_ras_block block; 306 enum amdgpu_ras_error_type type; 307 uint32_t sub_block_index; 308 /* block name */ 309 char name[32]; 310}; 311 312struct amdgpu_ras { 313 /* ras infrastructure */ 314 /* for ras itself. */ 315 uint32_t hw_supported; 316 /* for IP to check its ras ability. */ 317 uint32_t supported; 318 uint32_t features; 319 struct list_head head; 320 /* debugfs */ 321 struct dentry *dir; 322 /* sysfs */ 323#ifdef CONFIG_SYSFS 324 struct device_attribute features_attr; 325 struct bin_attribute badpages_attr; 326#endif 327 /* block array */ 328 struct ras_manager *objs; 329 330 /* gpu recovery */ 331 struct work_struct recovery_work; 332 atomic_t in_recovery; 333 struct amdgpu_device *adev; 334 /* error handler data */ 335 struct ras_err_handler_data *eh_data; 336 struct mutex recovery_lock; 337 338 uint32_t flags; 339 bool reboot; 340 struct amdgpu_ras_eeprom_control eeprom_control; 341}; 342 343struct ras_fs_data { 344 char sysfs_name[32]; 345 char debugfs_name[32]; 346}; 347 348struct ras_err_data { 349 unsigned long ue_count; 350 unsigned long ce_count; 351 unsigned long err_addr_cnt; 352 struct eeprom_table_record *err_addr; 353}; 354 355struct ras_err_handler_data { 356 /* point to bad page records array */ 357 struct eeprom_table_record *bps; 358 /* point to reserved bo array */ 359 struct amdgpu_bo **bps_bo; 360 /* the count of entries */ 361 int count; 362 /* the space can place new entries */ 363 int space_left; 364 /* last reserved entry's index + 1 */ 365 int last_reserved; 366}; 367 368typedef int (*ras_ih_cb)(struct amdgpu_device *adev, 369 void *err_data, 370 struct amdgpu_iv_entry *entry); 371 372struct ras_ih_data { 373 /* interrupt bottom half */ 374 struct work_struct ih_work; 375 int inuse; 376 /* IP callback */ 377 ras_ih_cb cb; 378 /* full of entries */ 379 unsigned char *ring; 380 unsigned int ring_size; 381 unsigned int element_size; 382 unsigned int aligned_element_size; 383 unsigned int rptr; 384 unsigned int wptr; 385}; 386 387struct ras_manager { 388 struct ras_common_if head; 389 /* reference count */ 390 int use; 391 /* ras block link */ 392 struct list_head node; 393 /* the device */ 394 struct amdgpu_device *adev; 395 /* debugfs */ 396 struct dentry *ent; 397 /* sysfs */ 398#ifdef CONFIG_SYSFS 399 struct device_attribute sysfs_attr; 400 int attr_inuse; 401#endif 402 403 /* fs node name */ 404 struct ras_fs_data fs_data; 405 406 /* IH data */ 407 struct ras_ih_data ih_data; 408 409 struct ras_err_data err_data; 410}; 411 412struct ras_badpage { 413 unsigned int bp; 414 unsigned int size; 415 unsigned int flags; 416}; 417 418/* interfaces for IP */ 419struct ras_fs_if { 420 struct ras_common_if head; 421 char sysfs_name[32]; 422 char debugfs_name[32]; 423}; 424 425struct ras_query_if { 426 struct ras_common_if head; 427 unsigned long ue_count; 428 unsigned long ce_count; 429}; 430 431struct ras_inject_if { 432 struct ras_common_if head; 433 uint64_t address; 434 uint64_t value; 435}; 436 437struct ras_cure_if { 438 struct ras_common_if head; 439 uint64_t address; 440}; 441 442struct ras_ih_if { 443 struct ras_common_if head; 444 ras_ih_cb cb; 445}; 446 447struct ras_dispatch_if { 448 struct ras_common_if head; 449 struct amdgpu_iv_entry *entry; 450}; 451 452struct ras_debug_if { 453 union { 454 struct ras_common_if head; 455 struct ras_inject_if inject; 456 }; 457 int op; 458}; 459/* work flow 460 * vbios 461 * 1: ras feature enable (enabled by default) 462 * psp 463 * 2: ras framework init (in ip_init) 464 * IP 465 * 3: IH add 466 * 4: debugfs/sysfs create 467 * 5: query/inject 468 * 6: debugfs/sysfs remove 469 * 7: IH remove 470 * 8: feature disable 471 */ 472 473#define amdgpu_ras_get_context(adev) ((adev)->psp.ras.ras) 474#define amdgpu_ras_set_context(adev, ras_con) ((adev)->psp.ras.ras = (ras_con)) 475 476/* check if ras is supported on block, say, sdma, gfx */ 477static inline int amdgpu_ras_is_supported(struct amdgpu_device *adev, 478 unsigned int block) 479{ 480 struct amdgpu_ras *ras = amdgpu_ras_get_context(adev); 481 482 if (block >= AMDGPU_RAS_BLOCK_COUNT) 483 return 0; 484 return ras && (ras->supported & (1 << block)); 485} 486 487int amdgpu_ras_recovery_init(struct amdgpu_device *adev); 488int amdgpu_ras_request_reset_on_boot(struct amdgpu_device *adev, 489 unsigned int block); 490 491void amdgpu_ras_resume(struct amdgpu_device *adev); 492void amdgpu_ras_suspend(struct amdgpu_device *adev); 493 494unsigned long amdgpu_ras_query_error_count(struct amdgpu_device *adev, 495 bool is_ce); 496 497/* error handling functions */ 498int amdgpu_ras_add_bad_pages(struct amdgpu_device *adev, 499 struct eeprom_table_record *bps, int pages); 500 501int amdgpu_ras_reserve_bad_pages(struct amdgpu_device *adev); 502 503static inline int amdgpu_ras_reset_gpu(struct amdgpu_device *adev) 504{ 505 struct amdgpu_ras *ras = amdgpu_ras_get_context(adev); 506 507 /* save bad page to eeprom before gpu reset, 508 * i2c may be unstable in gpu reset 509 */ 510 if (in_task()) 511 amdgpu_ras_reserve_bad_pages(adev); 512 513 if (atomic_cmpxchg(&ras->in_recovery, 0, 1) == 0) 514 schedule_work(&ras->recovery_work); 515 return 0; 516} 517 518static inline enum ta_ras_block 519amdgpu_ras_block_to_ta(enum amdgpu_ras_block block) { 520 switch (block) { 521 case AMDGPU_RAS_BLOCK__UMC: 522 return TA_RAS_BLOCK__UMC; 523 case AMDGPU_RAS_BLOCK__SDMA: 524 return TA_RAS_BLOCK__SDMA; 525 case AMDGPU_RAS_BLOCK__GFX: 526 return TA_RAS_BLOCK__GFX; 527 case AMDGPU_RAS_BLOCK__MMHUB: 528 return TA_RAS_BLOCK__MMHUB; 529 case AMDGPU_RAS_BLOCK__ATHUB: 530 return TA_RAS_BLOCK__ATHUB; 531 case AMDGPU_RAS_BLOCK__PCIE_BIF: 532 return TA_RAS_BLOCK__PCIE_BIF; 533 case AMDGPU_RAS_BLOCK__HDP: 534 return TA_RAS_BLOCK__HDP; 535 case AMDGPU_RAS_BLOCK__XGMI_WAFL: 536 return TA_RAS_BLOCK__XGMI_WAFL; 537 case AMDGPU_RAS_BLOCK__DF: 538 return TA_RAS_BLOCK__DF; 539 case AMDGPU_RAS_BLOCK__SMN: 540 return TA_RAS_BLOCK__SMN; 541 case AMDGPU_RAS_BLOCK__SEM: 542 return TA_RAS_BLOCK__SEM; 543 case AMDGPU_RAS_BLOCK__MP0: 544 return TA_RAS_BLOCK__MP0; 545 case AMDGPU_RAS_BLOCK__MP1: 546 return TA_RAS_BLOCK__MP1; 547 case AMDGPU_RAS_BLOCK__FUSE: 548 return TA_RAS_BLOCK__FUSE; 549 default: 550 WARN_ONCE(1, "RAS ERROR: unexpected block id %d\n", block); 551 return TA_RAS_BLOCK__UMC; 552 } 553} 554 555static inline enum ta_ras_error_type 556amdgpu_ras_error_to_ta(enum amdgpu_ras_error_type error) { 557 switch (error) { 558 case AMDGPU_RAS_ERROR__NONE: 559 return TA_RAS_ERROR__NONE; 560 case AMDGPU_RAS_ERROR__PARITY: 561 return TA_RAS_ERROR__PARITY; 562 case AMDGPU_RAS_ERROR__SINGLE_CORRECTABLE: 563 return TA_RAS_ERROR__SINGLE_CORRECTABLE; 564 case AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE: 565 return TA_RAS_ERROR__MULTI_UNCORRECTABLE; 566 case AMDGPU_RAS_ERROR__POISON: 567 return TA_RAS_ERROR__POISON; 568 default: 569 WARN_ONCE(1, "RAS ERROR: unexpected error type %d\n", error); 570 return TA_RAS_ERROR__NONE; 571 } 572} 573 574/* called in ip_init and ip_fini */ 575int amdgpu_ras_init(struct amdgpu_device *adev); 576int amdgpu_ras_fini(struct amdgpu_device *adev); 577int amdgpu_ras_pre_fini(struct amdgpu_device *adev); 578int amdgpu_ras_late_init(struct amdgpu_device *adev, 579 struct ras_common_if *ras_block, 580 struct ras_fs_if *fs_info, 581 struct ras_ih_if *ih_info); 582void amdgpu_ras_late_fini(struct amdgpu_device *adev, 583 struct ras_common_if *ras_block, 584 struct ras_ih_if *ih_info); 585 586int amdgpu_ras_feature_enable(struct amdgpu_device *adev, 587 struct ras_common_if *head, bool enable); 588 589int amdgpu_ras_feature_enable_on_boot(struct amdgpu_device *adev, 590 struct ras_common_if *head, bool enable); 591 592int amdgpu_ras_sysfs_create(struct amdgpu_device *adev, 593 struct ras_fs_if *head); 594 595int amdgpu_ras_sysfs_remove(struct amdgpu_device *adev, 596 struct ras_common_if *head); 597 598void amdgpu_ras_debugfs_create(struct amdgpu_device *adev, 599 struct ras_fs_if *head); 600 601void amdgpu_ras_debugfs_remove(struct amdgpu_device *adev, 602 struct ras_common_if *head); 603 604int amdgpu_ras_error_query(struct amdgpu_device *adev, 605 struct ras_query_if *info); 606 607int amdgpu_ras_error_inject(struct amdgpu_device *adev, 608 struct ras_inject_if *info); 609 610int amdgpu_ras_interrupt_add_handler(struct amdgpu_device *adev, 611 struct ras_ih_if *info); 612 613int amdgpu_ras_interrupt_remove_handler(struct amdgpu_device *adev, 614 struct ras_ih_if *info); 615 616int amdgpu_ras_interrupt_dispatch(struct amdgpu_device *adev, 617 struct ras_dispatch_if *info); 618 619struct ras_manager *amdgpu_ras_find_obj(struct amdgpu_device *adev, 620 struct ras_common_if *head); 621 622extern atomic_t amdgpu_ras_in_intr; 623 624static inline bool amdgpu_ras_intr_triggered(void) 625{ 626 return !!atomic_read(&amdgpu_ras_in_intr); 627} 628 629static inline void amdgpu_ras_intr_cleared(void) 630{ 631 atomic_set(&amdgpu_ras_in_intr, 0); 632} 633 634void amdgpu_ras_global_ras_isr(struct amdgpu_device *adev); 635 636#endif 637