root/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h

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INCLUDED FROM

DEFINITIONS

This source file includes following definitions.
  1. amdgpu_ras_is_supported
  2. amdgpu_ras_reset_gpu
  3. amdgpu_ras_block_to_ta
  4. amdgpu_ras_error_to_ta
   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 enum 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 
  56 enum 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 
 286 enum 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 
 294 enum 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 
 302 struct 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 
 310 struct 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         /* debugfs ctrl */
 321         struct dentry *ent;
 322         /* sysfs */
 323         struct device_attribute features_attr;
 324         struct bin_attribute badpages_attr;
 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 
 338         struct amdgpu_ras_eeprom_control eeprom_control;
 339 };
 340 
 341 struct ras_fs_data {
 342         char sysfs_name[32];
 343         char debugfs_name[32];
 344 };
 345 
 346 struct ras_err_data {
 347         unsigned long ue_count;
 348         unsigned long ce_count;
 349         unsigned long err_addr_cnt;
 350         uint64_t *err_addr;
 351 };
 352 
 353 struct ras_err_handler_data {
 354         /* point to bad pages array */
 355         struct {
 356                 unsigned long bp;
 357                 struct amdgpu_bo *bo;
 358         } *bps;
 359         /* the count of entries */
 360         int count;
 361         /* the space can place new entries */
 362         int space_left;
 363         /* last reserved entry's index + 1 */
 364         int last_reserved;
 365 };
 366 
 367 typedef int (*ras_ih_cb)(struct amdgpu_device *adev,
 368                 struct ras_err_data *err_data,
 369                 struct amdgpu_iv_entry *entry);
 370 
 371 struct ras_ih_data {
 372         /* interrupt bottom half */
 373         struct work_struct ih_work;
 374         int inuse;
 375         /* IP callback */
 376         ras_ih_cb cb;
 377         /* full of entries */
 378         unsigned char *ring;
 379         unsigned int ring_size;
 380         unsigned int element_size;
 381         unsigned int aligned_element_size;
 382         unsigned int rptr;
 383         unsigned int wptr;
 384 };
 385 
 386 struct ras_manager {
 387         struct ras_common_if head;
 388         /* reference count */
 389         int use;
 390         /* ras block link */
 391         struct list_head node;
 392         /* the device */
 393         struct amdgpu_device *adev;
 394         /* debugfs */
 395         struct dentry *ent;
 396         /* sysfs */
 397         struct device_attribute sysfs_attr;
 398         int attr_inuse;
 399 
 400         /* fs node name */
 401         struct ras_fs_data fs_data;
 402 
 403         /* IH data */
 404         struct ras_ih_data ih_data;
 405 
 406         struct ras_err_data err_data;
 407 };
 408 
 409 struct ras_badpage {
 410         unsigned int bp;
 411         unsigned int size;
 412         unsigned int flags;
 413 };
 414 
 415 /* interfaces for IP */
 416 struct ras_fs_if {
 417         struct ras_common_if head;
 418         char sysfs_name[32];
 419         char debugfs_name[32];
 420 };
 421 
 422 struct ras_query_if {
 423         struct ras_common_if head;
 424         unsigned long ue_count;
 425         unsigned long ce_count;
 426 };
 427 
 428 struct ras_inject_if {
 429         struct ras_common_if head;
 430         uint64_t address;
 431         uint64_t value;
 432 };
 433 
 434 struct ras_cure_if {
 435         struct ras_common_if head;
 436         uint64_t address;
 437 };
 438 
 439 struct ras_ih_if {
 440         struct ras_common_if head;
 441         ras_ih_cb cb;
 442 };
 443 
 444 struct ras_dispatch_if {
 445         struct ras_common_if head;
 446         struct amdgpu_iv_entry *entry;
 447 };
 448 
 449 struct ras_debug_if {
 450         union {
 451                 struct ras_common_if head;
 452                 struct ras_inject_if inject;
 453         };
 454         int op;
 455 };
 456 /* work flow
 457  * vbios
 458  * 1: ras feature enable (enabled by default)
 459  * psp
 460  * 2: ras framework init (in ip_init)
 461  * IP
 462  * 3: IH add
 463  * 4: debugfs/sysfs create
 464  * 5: query/inject
 465  * 6: debugfs/sysfs remove
 466  * 7: IH remove
 467  * 8: feature disable
 468  */
 469 
 470 #define amdgpu_ras_get_context(adev)            ((adev)->psp.ras.ras)
 471 #define amdgpu_ras_set_context(adev, ras_con)   ((adev)->psp.ras.ras = (ras_con))
 472 
 473 /* check if ras is supported on block, say, sdma, gfx */
 474 static inline int amdgpu_ras_is_supported(struct amdgpu_device *adev,
 475                 unsigned int block)
 476 {
 477         struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
 478 
 479         if (block >= AMDGPU_RAS_BLOCK_COUNT)
 480                 return 0;
 481         return ras && (ras->supported & (1 << block));
 482 }
 483 
 484 int amdgpu_ras_request_reset_on_boot(struct amdgpu_device *adev,
 485                 unsigned int block);
 486 
 487 void amdgpu_ras_resume(struct amdgpu_device *adev);
 488 void amdgpu_ras_suspend(struct amdgpu_device *adev);
 489 
 490 unsigned long amdgpu_ras_query_error_count(struct amdgpu_device *adev,
 491                 bool is_ce);
 492 
 493 /* error handling functions */
 494 int amdgpu_ras_add_bad_pages(struct amdgpu_device *adev,
 495                 unsigned long *bps, int pages);
 496 
 497 int amdgpu_ras_reserve_bad_pages(struct amdgpu_device *adev);
 498 
 499 static inline int amdgpu_ras_reset_gpu(struct amdgpu_device *adev,
 500                 bool is_baco)
 501 {
 502         struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
 503 
 504         if (atomic_cmpxchg(&ras->in_recovery, 0, 1) == 0)
 505                 schedule_work(&ras->recovery_work);
 506         return 0;
 507 }
 508 
 509 static inline enum ta_ras_block
 510 amdgpu_ras_block_to_ta(enum amdgpu_ras_block block) {
 511         switch (block) {
 512         case AMDGPU_RAS_BLOCK__UMC:
 513                 return TA_RAS_BLOCK__UMC;
 514         case AMDGPU_RAS_BLOCK__SDMA:
 515                 return TA_RAS_BLOCK__SDMA;
 516         case AMDGPU_RAS_BLOCK__GFX:
 517                 return TA_RAS_BLOCK__GFX;
 518         case AMDGPU_RAS_BLOCK__MMHUB:
 519                 return TA_RAS_BLOCK__MMHUB;
 520         case AMDGPU_RAS_BLOCK__ATHUB:
 521                 return TA_RAS_BLOCK__ATHUB;
 522         case AMDGPU_RAS_BLOCK__PCIE_BIF:
 523                 return TA_RAS_BLOCK__PCIE_BIF;
 524         case AMDGPU_RAS_BLOCK__HDP:
 525                 return TA_RAS_BLOCK__HDP;
 526         case AMDGPU_RAS_BLOCK__XGMI_WAFL:
 527                 return TA_RAS_BLOCK__XGMI_WAFL;
 528         case AMDGPU_RAS_BLOCK__DF:
 529                 return TA_RAS_BLOCK__DF;
 530         case AMDGPU_RAS_BLOCK__SMN:
 531                 return TA_RAS_BLOCK__SMN;
 532         case AMDGPU_RAS_BLOCK__SEM:
 533                 return TA_RAS_BLOCK__SEM;
 534         case AMDGPU_RAS_BLOCK__MP0:
 535                 return TA_RAS_BLOCK__MP0;
 536         case AMDGPU_RAS_BLOCK__MP1:
 537                 return TA_RAS_BLOCK__MP1;
 538         case AMDGPU_RAS_BLOCK__FUSE:
 539                 return TA_RAS_BLOCK__FUSE;
 540         default:
 541                 WARN_ONCE(1, "RAS ERROR: unexpected block id %d\n", block);
 542                 return TA_RAS_BLOCK__UMC;
 543         }
 544 }
 545 
 546 static inline enum ta_ras_error_type
 547 amdgpu_ras_error_to_ta(enum amdgpu_ras_error_type error) {
 548         switch (error) {
 549         case AMDGPU_RAS_ERROR__NONE:
 550                 return TA_RAS_ERROR__NONE;
 551         case AMDGPU_RAS_ERROR__PARITY:
 552                 return TA_RAS_ERROR__PARITY;
 553         case AMDGPU_RAS_ERROR__SINGLE_CORRECTABLE:
 554                 return TA_RAS_ERROR__SINGLE_CORRECTABLE;
 555         case AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE:
 556                 return TA_RAS_ERROR__MULTI_UNCORRECTABLE;
 557         case AMDGPU_RAS_ERROR__POISON:
 558                 return TA_RAS_ERROR__POISON;
 559         default:
 560                 WARN_ONCE(1, "RAS ERROR: unexpected error type %d\n", error);
 561                 return TA_RAS_ERROR__NONE;
 562         }
 563 }
 564 
 565 /* called in ip_init and ip_fini */
 566 int amdgpu_ras_init(struct amdgpu_device *adev);
 567 int amdgpu_ras_fini(struct amdgpu_device *adev);
 568 int amdgpu_ras_pre_fini(struct amdgpu_device *adev);
 569 
 570 int amdgpu_ras_feature_enable(struct amdgpu_device *adev,
 571                 struct ras_common_if *head, bool enable);
 572 
 573 int amdgpu_ras_feature_enable_on_boot(struct amdgpu_device *adev,
 574                 struct ras_common_if *head, bool enable);
 575 
 576 int amdgpu_ras_sysfs_create(struct amdgpu_device *adev,
 577                 struct ras_fs_if *head);
 578 
 579 int amdgpu_ras_sysfs_remove(struct amdgpu_device *adev,
 580                 struct ras_common_if *head);
 581 
 582 void amdgpu_ras_debugfs_create(struct amdgpu_device *adev,
 583                 struct ras_fs_if *head);
 584 
 585 void amdgpu_ras_debugfs_remove(struct amdgpu_device *adev,
 586                 struct ras_common_if *head);
 587 
 588 int amdgpu_ras_error_query(struct amdgpu_device *adev,
 589                 struct ras_query_if *info);
 590 
 591 int amdgpu_ras_error_inject(struct amdgpu_device *adev,
 592                 struct ras_inject_if *info);
 593 
 594 int amdgpu_ras_interrupt_add_handler(struct amdgpu_device *adev,
 595                 struct ras_ih_if *info);
 596 
 597 int amdgpu_ras_interrupt_remove_handler(struct amdgpu_device *adev,
 598                 struct ras_ih_if *info);
 599 
 600 int amdgpu_ras_interrupt_dispatch(struct amdgpu_device *adev,
 601                 struct ras_dispatch_if *info);
 602 #endif
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