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

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