cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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amdgpu_ras.h (21158B)


      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 "ta_ras_if.h"
     30#include "amdgpu_ras_eeprom.h"
     31
     32struct amdgpu_iv_entry;
     33
     34#define AMDGPU_RAS_FLAG_INIT_BY_VBIOS		(0x1 << 0)
     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	AMDGPU_RAS_BLOCK__MCA,
     52	AMDGPU_RAS_BLOCK__VCN,
     53	AMDGPU_RAS_BLOCK__JPEG,
     54
     55	AMDGPU_RAS_BLOCK__LAST
     56};
     57
     58enum amdgpu_ras_mca_block {
     59	AMDGPU_RAS_MCA_BLOCK__MP0 = 0,
     60	AMDGPU_RAS_MCA_BLOCK__MP1,
     61	AMDGPU_RAS_MCA_BLOCK__MPIO,
     62	AMDGPU_RAS_MCA_BLOCK__IOHC,
     63
     64	AMDGPU_RAS_MCA_BLOCK__LAST
     65};
     66
     67#define AMDGPU_RAS_BLOCK_COUNT	AMDGPU_RAS_BLOCK__LAST
     68#define AMDGPU_RAS_MCA_BLOCK_COUNT	AMDGPU_RAS_MCA_BLOCK__LAST
     69#define AMDGPU_RAS_BLOCK_MASK	((1ULL << AMDGPU_RAS_BLOCK_COUNT) - 1)
     70
     71enum amdgpu_ras_gfx_subblock {
     72	/* CPC */
     73	AMDGPU_RAS_BLOCK__GFX_CPC_INDEX_START = 0,
     74	AMDGPU_RAS_BLOCK__GFX_CPC_SCRATCH =
     75		AMDGPU_RAS_BLOCK__GFX_CPC_INDEX_START,
     76	AMDGPU_RAS_BLOCK__GFX_CPC_UCODE,
     77	AMDGPU_RAS_BLOCK__GFX_DC_STATE_ME1,
     78	AMDGPU_RAS_BLOCK__GFX_DC_CSINVOC_ME1,
     79	AMDGPU_RAS_BLOCK__GFX_DC_RESTORE_ME1,
     80	AMDGPU_RAS_BLOCK__GFX_DC_STATE_ME2,
     81	AMDGPU_RAS_BLOCK__GFX_DC_CSINVOC_ME2,
     82	AMDGPU_RAS_BLOCK__GFX_DC_RESTORE_ME2,
     83	AMDGPU_RAS_BLOCK__GFX_CPC_INDEX_END =
     84		AMDGPU_RAS_BLOCK__GFX_DC_RESTORE_ME2,
     85	/* CPF */
     86	AMDGPU_RAS_BLOCK__GFX_CPF_INDEX_START,
     87	AMDGPU_RAS_BLOCK__GFX_CPF_ROQ_ME2 =
     88		AMDGPU_RAS_BLOCK__GFX_CPF_INDEX_START,
     89	AMDGPU_RAS_BLOCK__GFX_CPF_ROQ_ME1,
     90	AMDGPU_RAS_BLOCK__GFX_CPF_TAG,
     91	AMDGPU_RAS_BLOCK__GFX_CPF_INDEX_END = AMDGPU_RAS_BLOCK__GFX_CPF_TAG,
     92	/* CPG */
     93	AMDGPU_RAS_BLOCK__GFX_CPG_INDEX_START,
     94	AMDGPU_RAS_BLOCK__GFX_CPG_DMA_ROQ =
     95		AMDGPU_RAS_BLOCK__GFX_CPG_INDEX_START,
     96	AMDGPU_RAS_BLOCK__GFX_CPG_DMA_TAG,
     97	AMDGPU_RAS_BLOCK__GFX_CPG_TAG,
     98	AMDGPU_RAS_BLOCK__GFX_CPG_INDEX_END = AMDGPU_RAS_BLOCK__GFX_CPG_TAG,
     99	/* GDS */
    100	AMDGPU_RAS_BLOCK__GFX_GDS_INDEX_START,
    101	AMDGPU_RAS_BLOCK__GFX_GDS_MEM = AMDGPU_RAS_BLOCK__GFX_GDS_INDEX_START,
    102	AMDGPU_RAS_BLOCK__GFX_GDS_INPUT_QUEUE,
    103	AMDGPU_RAS_BLOCK__GFX_GDS_OA_PHY_CMD_RAM_MEM,
    104	AMDGPU_RAS_BLOCK__GFX_GDS_OA_PHY_DATA_RAM_MEM,
    105	AMDGPU_RAS_BLOCK__GFX_GDS_OA_PIPE_MEM,
    106	AMDGPU_RAS_BLOCK__GFX_GDS_INDEX_END =
    107		AMDGPU_RAS_BLOCK__GFX_GDS_OA_PIPE_MEM,
    108	/* SPI */
    109	AMDGPU_RAS_BLOCK__GFX_SPI_SR_MEM,
    110	/* SQ */
    111	AMDGPU_RAS_BLOCK__GFX_SQ_INDEX_START,
    112	AMDGPU_RAS_BLOCK__GFX_SQ_SGPR = AMDGPU_RAS_BLOCK__GFX_SQ_INDEX_START,
    113	AMDGPU_RAS_BLOCK__GFX_SQ_LDS_D,
    114	AMDGPU_RAS_BLOCK__GFX_SQ_LDS_I,
    115	AMDGPU_RAS_BLOCK__GFX_SQ_VGPR,
    116	AMDGPU_RAS_BLOCK__GFX_SQ_INDEX_END = AMDGPU_RAS_BLOCK__GFX_SQ_VGPR,
    117	/* SQC (3 ranges) */
    118	AMDGPU_RAS_BLOCK__GFX_SQC_INDEX_START,
    119	/* SQC range 0 */
    120	AMDGPU_RAS_BLOCK__GFX_SQC_INDEX0_START =
    121		AMDGPU_RAS_BLOCK__GFX_SQC_INDEX_START,
    122	AMDGPU_RAS_BLOCK__GFX_SQC_INST_UTCL1_LFIFO =
    123		AMDGPU_RAS_BLOCK__GFX_SQC_INDEX0_START,
    124	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_CU0_WRITE_DATA_BUF,
    125	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_CU0_UTCL1_LFIFO,
    126	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_CU1_WRITE_DATA_BUF,
    127	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_CU1_UTCL1_LFIFO,
    128	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_CU2_WRITE_DATA_BUF,
    129	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_CU2_UTCL1_LFIFO,
    130	AMDGPU_RAS_BLOCK__GFX_SQC_INDEX0_END =
    131		AMDGPU_RAS_BLOCK__GFX_SQC_DATA_CU2_UTCL1_LFIFO,
    132	/* SQC range 1 */
    133	AMDGPU_RAS_BLOCK__GFX_SQC_INDEX1_START,
    134	AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKA_TAG_RAM =
    135		AMDGPU_RAS_BLOCK__GFX_SQC_INDEX1_START,
    136	AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKA_UTCL1_MISS_FIFO,
    137	AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKA_MISS_FIFO,
    138	AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKA_BANK_RAM,
    139	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKA_TAG_RAM,
    140	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKA_HIT_FIFO,
    141	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKA_MISS_FIFO,
    142	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKA_DIRTY_BIT_RAM,
    143	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKA_BANK_RAM,
    144	AMDGPU_RAS_BLOCK__GFX_SQC_INDEX1_END =
    145		AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKA_BANK_RAM,
    146	/* SQC range 2 */
    147	AMDGPU_RAS_BLOCK__GFX_SQC_INDEX2_START,
    148	AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKB_TAG_RAM =
    149		AMDGPU_RAS_BLOCK__GFX_SQC_INDEX2_START,
    150	AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKB_UTCL1_MISS_FIFO,
    151	AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKB_MISS_FIFO,
    152	AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKB_BANK_RAM,
    153	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKB_TAG_RAM,
    154	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKB_HIT_FIFO,
    155	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKB_MISS_FIFO,
    156	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKB_DIRTY_BIT_RAM,
    157	AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKB_BANK_RAM,
    158	AMDGPU_RAS_BLOCK__GFX_SQC_INDEX2_END =
    159		AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKB_BANK_RAM,
    160	AMDGPU_RAS_BLOCK__GFX_SQC_INDEX_END =
    161		AMDGPU_RAS_BLOCK__GFX_SQC_INDEX2_END,
    162	/* TA */
    163	AMDGPU_RAS_BLOCK__GFX_TA_INDEX_START,
    164	AMDGPU_RAS_BLOCK__GFX_TA_FS_DFIFO =
    165		AMDGPU_RAS_BLOCK__GFX_TA_INDEX_START,
    166	AMDGPU_RAS_BLOCK__GFX_TA_FS_AFIFO,
    167	AMDGPU_RAS_BLOCK__GFX_TA_FL_LFIFO,
    168	AMDGPU_RAS_BLOCK__GFX_TA_FX_LFIFO,
    169	AMDGPU_RAS_BLOCK__GFX_TA_FS_CFIFO,
    170	AMDGPU_RAS_BLOCK__GFX_TA_INDEX_END = AMDGPU_RAS_BLOCK__GFX_TA_FS_CFIFO,
    171	/* TCA */
    172	AMDGPU_RAS_BLOCK__GFX_TCA_INDEX_START,
    173	AMDGPU_RAS_BLOCK__GFX_TCA_HOLE_FIFO =
    174		AMDGPU_RAS_BLOCK__GFX_TCA_INDEX_START,
    175	AMDGPU_RAS_BLOCK__GFX_TCA_REQ_FIFO,
    176	AMDGPU_RAS_BLOCK__GFX_TCA_INDEX_END =
    177		AMDGPU_RAS_BLOCK__GFX_TCA_REQ_FIFO,
    178	/* TCC (5 sub-ranges) */
    179	AMDGPU_RAS_BLOCK__GFX_TCC_INDEX_START,
    180	/* TCC range 0 */
    181	AMDGPU_RAS_BLOCK__GFX_TCC_INDEX0_START =
    182		AMDGPU_RAS_BLOCK__GFX_TCC_INDEX_START,
    183	AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_DATA =
    184		AMDGPU_RAS_BLOCK__GFX_TCC_INDEX0_START,
    185	AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_DATA_BANK_0_1,
    186	AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_DATA_BANK_1_0,
    187	AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_DATA_BANK_1_1,
    188	AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_DIRTY_BANK_0,
    189	AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_DIRTY_BANK_1,
    190	AMDGPU_RAS_BLOCK__GFX_TCC_HIGH_RATE_TAG,
    191	AMDGPU_RAS_BLOCK__GFX_TCC_LOW_RATE_TAG,
    192	AMDGPU_RAS_BLOCK__GFX_TCC_INDEX0_END =
    193		AMDGPU_RAS_BLOCK__GFX_TCC_LOW_RATE_TAG,
    194	/* TCC range 1 */
    195	AMDGPU_RAS_BLOCK__GFX_TCC_INDEX1_START,
    196	AMDGPU_RAS_BLOCK__GFX_TCC_IN_USE_DEC =
    197		AMDGPU_RAS_BLOCK__GFX_TCC_INDEX1_START,
    198	AMDGPU_RAS_BLOCK__GFX_TCC_IN_USE_TRANSFER,
    199	AMDGPU_RAS_BLOCK__GFX_TCC_INDEX1_END =
    200		AMDGPU_RAS_BLOCK__GFX_TCC_IN_USE_TRANSFER,
    201	/* TCC range 2 */
    202	AMDGPU_RAS_BLOCK__GFX_TCC_INDEX2_START,
    203	AMDGPU_RAS_BLOCK__GFX_TCC_RETURN_DATA =
    204		AMDGPU_RAS_BLOCK__GFX_TCC_INDEX2_START,
    205	AMDGPU_RAS_BLOCK__GFX_TCC_RETURN_CONTROL,
    206	AMDGPU_RAS_BLOCK__GFX_TCC_UC_ATOMIC_FIFO,
    207	AMDGPU_RAS_BLOCK__GFX_TCC_WRITE_RETURN,
    208	AMDGPU_RAS_BLOCK__GFX_TCC_WRITE_CACHE_READ,
    209	AMDGPU_RAS_BLOCK__GFX_TCC_SRC_FIFO,
    210	AMDGPU_RAS_BLOCK__GFX_TCC_SRC_FIFO_NEXT_RAM,
    211	AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_TAG_PROBE_FIFO,
    212	AMDGPU_RAS_BLOCK__GFX_TCC_INDEX2_END =
    213		AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_TAG_PROBE_FIFO,
    214	/* TCC range 3 */
    215	AMDGPU_RAS_BLOCK__GFX_TCC_INDEX3_START,
    216	AMDGPU_RAS_BLOCK__GFX_TCC_LATENCY_FIFO =
    217		AMDGPU_RAS_BLOCK__GFX_TCC_INDEX3_START,
    218	AMDGPU_RAS_BLOCK__GFX_TCC_LATENCY_FIFO_NEXT_RAM,
    219	AMDGPU_RAS_BLOCK__GFX_TCC_INDEX3_END =
    220		AMDGPU_RAS_BLOCK__GFX_TCC_LATENCY_FIFO_NEXT_RAM,
    221	/* TCC range 4 */
    222	AMDGPU_RAS_BLOCK__GFX_TCC_INDEX4_START,
    223	AMDGPU_RAS_BLOCK__GFX_TCC_WRRET_TAG_WRITE_RETURN =
    224		AMDGPU_RAS_BLOCK__GFX_TCC_INDEX4_START,
    225	AMDGPU_RAS_BLOCK__GFX_TCC_ATOMIC_RETURN_BUFFER,
    226	AMDGPU_RAS_BLOCK__GFX_TCC_INDEX4_END =
    227		AMDGPU_RAS_BLOCK__GFX_TCC_ATOMIC_RETURN_BUFFER,
    228	AMDGPU_RAS_BLOCK__GFX_TCC_INDEX_END =
    229		AMDGPU_RAS_BLOCK__GFX_TCC_INDEX4_END,
    230	/* TCI */
    231	AMDGPU_RAS_BLOCK__GFX_TCI_WRITE_RAM,
    232	/* TCP */
    233	AMDGPU_RAS_BLOCK__GFX_TCP_INDEX_START,
    234	AMDGPU_RAS_BLOCK__GFX_TCP_CACHE_RAM =
    235		AMDGPU_RAS_BLOCK__GFX_TCP_INDEX_START,
    236	AMDGPU_RAS_BLOCK__GFX_TCP_LFIFO_RAM,
    237	AMDGPU_RAS_BLOCK__GFX_TCP_CMD_FIFO,
    238	AMDGPU_RAS_BLOCK__GFX_TCP_VM_FIFO,
    239	AMDGPU_RAS_BLOCK__GFX_TCP_DB_RAM,
    240	AMDGPU_RAS_BLOCK__GFX_TCP_UTCL1_LFIFO0,
    241	AMDGPU_RAS_BLOCK__GFX_TCP_UTCL1_LFIFO1,
    242	AMDGPU_RAS_BLOCK__GFX_TCP_INDEX_END =
    243		AMDGPU_RAS_BLOCK__GFX_TCP_UTCL1_LFIFO1,
    244	/* TD */
    245	AMDGPU_RAS_BLOCK__GFX_TD_INDEX_START,
    246	AMDGPU_RAS_BLOCK__GFX_TD_SS_FIFO_LO =
    247		AMDGPU_RAS_BLOCK__GFX_TD_INDEX_START,
    248	AMDGPU_RAS_BLOCK__GFX_TD_SS_FIFO_HI,
    249	AMDGPU_RAS_BLOCK__GFX_TD_CS_FIFO,
    250	AMDGPU_RAS_BLOCK__GFX_TD_INDEX_END = AMDGPU_RAS_BLOCK__GFX_TD_CS_FIFO,
    251	/* EA (3 sub-ranges) */
    252	AMDGPU_RAS_BLOCK__GFX_EA_INDEX_START,
    253	/* EA range 0 */
    254	AMDGPU_RAS_BLOCK__GFX_EA_INDEX0_START =
    255		AMDGPU_RAS_BLOCK__GFX_EA_INDEX_START,
    256	AMDGPU_RAS_BLOCK__GFX_EA_DRAMRD_CMDMEM =
    257		AMDGPU_RAS_BLOCK__GFX_EA_INDEX0_START,
    258	AMDGPU_RAS_BLOCK__GFX_EA_DRAMWR_CMDMEM,
    259	AMDGPU_RAS_BLOCK__GFX_EA_DRAMWR_DATAMEM,
    260	AMDGPU_RAS_BLOCK__GFX_EA_RRET_TAGMEM,
    261	AMDGPU_RAS_BLOCK__GFX_EA_WRET_TAGMEM,
    262	AMDGPU_RAS_BLOCK__GFX_EA_GMIRD_CMDMEM,
    263	AMDGPU_RAS_BLOCK__GFX_EA_GMIWR_CMDMEM,
    264	AMDGPU_RAS_BLOCK__GFX_EA_GMIWR_DATAMEM,
    265	AMDGPU_RAS_BLOCK__GFX_EA_INDEX0_END =
    266		AMDGPU_RAS_BLOCK__GFX_EA_GMIWR_DATAMEM,
    267	/* EA range 1 */
    268	AMDGPU_RAS_BLOCK__GFX_EA_INDEX1_START,
    269	AMDGPU_RAS_BLOCK__GFX_EA_DRAMRD_PAGEMEM =
    270		AMDGPU_RAS_BLOCK__GFX_EA_INDEX1_START,
    271	AMDGPU_RAS_BLOCK__GFX_EA_DRAMWR_PAGEMEM,
    272	AMDGPU_RAS_BLOCK__GFX_EA_IORD_CMDMEM,
    273	AMDGPU_RAS_BLOCK__GFX_EA_IOWR_CMDMEM,
    274	AMDGPU_RAS_BLOCK__GFX_EA_IOWR_DATAMEM,
    275	AMDGPU_RAS_BLOCK__GFX_EA_GMIRD_PAGEMEM,
    276	AMDGPU_RAS_BLOCK__GFX_EA_GMIWR_PAGEMEM,
    277	AMDGPU_RAS_BLOCK__GFX_EA_INDEX1_END =
    278		AMDGPU_RAS_BLOCK__GFX_EA_GMIWR_PAGEMEM,
    279	/* EA range 2 */
    280	AMDGPU_RAS_BLOCK__GFX_EA_INDEX2_START,
    281	AMDGPU_RAS_BLOCK__GFX_EA_MAM_D0MEM =
    282		AMDGPU_RAS_BLOCK__GFX_EA_INDEX2_START,
    283	AMDGPU_RAS_BLOCK__GFX_EA_MAM_D1MEM,
    284	AMDGPU_RAS_BLOCK__GFX_EA_MAM_D2MEM,
    285	AMDGPU_RAS_BLOCK__GFX_EA_MAM_D3MEM,
    286	AMDGPU_RAS_BLOCK__GFX_EA_INDEX2_END =
    287		AMDGPU_RAS_BLOCK__GFX_EA_MAM_D3MEM,
    288	AMDGPU_RAS_BLOCK__GFX_EA_INDEX_END =
    289		AMDGPU_RAS_BLOCK__GFX_EA_INDEX2_END,
    290	/* UTC VM L2 bank */
    291	AMDGPU_RAS_BLOCK__UTC_VML2_BANK_CACHE,
    292	/* UTC VM walker */
    293	AMDGPU_RAS_BLOCK__UTC_VML2_WALKER,
    294	/* UTC ATC L2 2MB cache */
    295	AMDGPU_RAS_BLOCK__UTC_ATCL2_CACHE_2M_BANK,
    296	/* UTC ATC L2 4KB cache */
    297	AMDGPU_RAS_BLOCK__UTC_ATCL2_CACHE_4K_BANK,
    298	AMDGPU_RAS_BLOCK__GFX_MAX
    299};
    300
    301enum amdgpu_ras_error_type {
    302	AMDGPU_RAS_ERROR__NONE							= 0,
    303	AMDGPU_RAS_ERROR__PARITY						= 1,
    304	AMDGPU_RAS_ERROR__SINGLE_CORRECTABLE					= 2,
    305	AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE					= 4,
    306	AMDGPU_RAS_ERROR__POISON						= 8,
    307};
    308
    309enum amdgpu_ras_ret {
    310	AMDGPU_RAS_SUCCESS = 0,
    311	AMDGPU_RAS_FAIL,
    312	AMDGPU_RAS_UE,
    313	AMDGPU_RAS_CE,
    314	AMDGPU_RAS_PT,
    315};
    316
    317struct ras_common_if {
    318	enum amdgpu_ras_block block;
    319	enum amdgpu_ras_error_type type;
    320	uint32_t sub_block_index;
    321	char name[32];
    322};
    323
    324#define MAX_UMC_CHANNEL_NUM 32
    325
    326struct ecc_info_per_ch {
    327	uint16_t ce_count_lo_chip;
    328	uint16_t ce_count_hi_chip;
    329	uint64_t mca_umc_status;
    330	uint64_t mca_umc_addr;
    331};
    332
    333struct umc_ecc_info {
    334	struct ecc_info_per_ch ecc[MAX_UMC_CHANNEL_NUM];
    335};
    336
    337struct amdgpu_ras {
    338	/* ras infrastructure */
    339	/* for ras itself. */
    340	uint32_t features;
    341	struct list_head head;
    342	/* sysfs */
    343	struct device_attribute features_attr;
    344	struct bin_attribute badpages_attr;
    345	struct dentry *de_ras_eeprom_table;
    346	/* block array */
    347	struct ras_manager *objs;
    348
    349	/* gpu recovery */
    350	struct work_struct recovery_work;
    351	atomic_t in_recovery;
    352	struct amdgpu_device *adev;
    353	/* error handler data */
    354	struct ras_err_handler_data *eh_data;
    355	struct mutex recovery_lock;
    356
    357	uint32_t flags;
    358	bool reboot;
    359	struct amdgpu_ras_eeprom_control eeprom_control;
    360
    361	bool error_query_ready;
    362
    363	/* bad page count threshold */
    364	uint32_t bad_page_cnt_threshold;
    365
    366	/* disable ras error count harvest in recovery */
    367	bool disable_ras_err_cnt_harvest;
    368
    369	/* is poison mode supported */
    370	bool poison_supported;
    371
    372	/* RAS count errors delayed work */
    373	struct delayed_work ras_counte_delay_work;
    374	atomic_t ras_ue_count;
    375	atomic_t ras_ce_count;
    376
    377	/* record umc error info queried from smu */
    378	struct umc_ecc_info umc_ecc;
    379
    380	/* Indicates smu whether need update bad channel info */
    381	bool update_channel_flag;
    382};
    383
    384struct ras_fs_data {
    385	char sysfs_name[32];
    386	char debugfs_name[32];
    387};
    388
    389struct ras_err_data {
    390	unsigned long ue_count;
    391	unsigned long ce_count;
    392	unsigned long err_addr_cnt;
    393	struct eeprom_table_record *err_addr;
    394};
    395
    396struct ras_err_handler_data {
    397	/* point to bad page records array */
    398	struct eeprom_table_record *bps;
    399	/* the count of entries */
    400	int count;
    401	/* the space can place new entries */
    402	int space_left;
    403};
    404
    405typedef int (*ras_ih_cb)(struct amdgpu_device *adev,
    406		void *err_data,
    407		struct amdgpu_iv_entry *entry);
    408
    409struct ras_ih_data {
    410	/* interrupt bottom half */
    411	struct work_struct ih_work;
    412	int inuse;
    413	/* IP callback */
    414	ras_ih_cb cb;
    415	/* full of entries */
    416	unsigned char *ring;
    417	unsigned int ring_size;
    418	unsigned int element_size;
    419	unsigned int aligned_element_size;
    420	unsigned int rptr;
    421	unsigned int wptr;
    422};
    423
    424struct ras_manager {
    425	struct ras_common_if head;
    426	/* reference count */
    427	int use;
    428	/* ras block link */
    429	struct list_head node;
    430	/* the device */
    431	struct amdgpu_device *adev;
    432	/* sysfs */
    433	struct device_attribute sysfs_attr;
    434	int attr_inuse;
    435
    436	/* fs node name */
    437	struct ras_fs_data fs_data;
    438
    439	/* IH data */
    440	struct ras_ih_data ih_data;
    441
    442	struct ras_err_data err_data;
    443};
    444
    445struct ras_badpage {
    446	unsigned int bp;
    447	unsigned int size;
    448	unsigned int flags;
    449};
    450
    451/* interfaces for IP */
    452struct ras_fs_if {
    453	struct ras_common_if head;
    454	const char* sysfs_name;
    455	char debugfs_name[32];
    456};
    457
    458struct ras_query_if {
    459	struct ras_common_if head;
    460	unsigned long ue_count;
    461	unsigned long ce_count;
    462};
    463
    464struct ras_inject_if {
    465	struct ras_common_if head;
    466	uint64_t address;
    467	uint64_t value;
    468};
    469
    470struct ras_cure_if {
    471	struct ras_common_if head;
    472	uint64_t address;
    473};
    474
    475struct ras_ih_if {
    476	struct ras_common_if head;
    477	ras_ih_cb cb;
    478};
    479
    480struct ras_dispatch_if {
    481	struct ras_common_if head;
    482	struct amdgpu_iv_entry *entry;
    483};
    484
    485struct ras_debug_if {
    486	union {
    487		struct ras_common_if head;
    488		struct ras_inject_if inject;
    489	};
    490	int op;
    491};
    492
    493struct amdgpu_ras_block_object {
    494	struct ras_common_if  ras_comm;
    495
    496	int (*ras_block_match)(struct amdgpu_ras_block_object *block_obj,
    497				enum amdgpu_ras_block block, uint32_t sub_block_index);
    498	int (*ras_late_init)(struct amdgpu_device *adev, struct ras_common_if *ras_block);
    499	void (*ras_fini)(struct amdgpu_device *adev, struct ras_common_if *ras_block);
    500	ras_ih_cb ras_cb;
    501	const struct amdgpu_ras_block_hw_ops *hw_ops;
    502};
    503
    504struct amdgpu_ras_block_hw_ops {
    505	int  (*ras_error_inject)(struct amdgpu_device *adev, void *inject_if);
    506	void (*query_ras_error_count)(struct amdgpu_device *adev, void *ras_error_status);
    507	void (*query_ras_error_status)(struct amdgpu_device *adev);
    508	void (*query_ras_error_address)(struct amdgpu_device *adev, void *ras_error_status);
    509	void (*reset_ras_error_count)(struct amdgpu_device *adev);
    510	void (*reset_ras_error_status)(struct amdgpu_device *adev);
    511	bool (*query_poison_status)(struct amdgpu_device *adev);
    512	bool (*handle_poison_consumption)(struct amdgpu_device *adev);
    513};
    514
    515/* work flow
    516 * vbios
    517 * 1: ras feature enable (enabled by default)
    518 * psp
    519 * 2: ras framework init (in ip_init)
    520 * IP
    521 * 3: IH add
    522 * 4: debugfs/sysfs create
    523 * 5: query/inject
    524 * 6: debugfs/sysfs remove
    525 * 7: IH remove
    526 * 8: feature disable
    527 */
    528
    529
    530int amdgpu_ras_recovery_init(struct amdgpu_device *adev);
    531
    532void amdgpu_ras_resume(struct amdgpu_device *adev);
    533void amdgpu_ras_suspend(struct amdgpu_device *adev);
    534
    535int amdgpu_ras_query_error_count(struct amdgpu_device *adev,
    536				 unsigned long *ce_count,
    537				 unsigned long *ue_count);
    538
    539/* error handling functions */
    540int amdgpu_ras_add_bad_pages(struct amdgpu_device *adev,
    541		struct eeprom_table_record *bps, int pages);
    542
    543int amdgpu_ras_save_bad_pages(struct amdgpu_device *adev);
    544
    545static inline enum ta_ras_block
    546amdgpu_ras_block_to_ta(enum amdgpu_ras_block block) {
    547	switch (block) {
    548	case AMDGPU_RAS_BLOCK__UMC:
    549		return TA_RAS_BLOCK__UMC;
    550	case AMDGPU_RAS_BLOCK__SDMA:
    551		return TA_RAS_BLOCK__SDMA;
    552	case AMDGPU_RAS_BLOCK__GFX:
    553		return TA_RAS_BLOCK__GFX;
    554	case AMDGPU_RAS_BLOCK__MMHUB:
    555		return TA_RAS_BLOCK__MMHUB;
    556	case AMDGPU_RAS_BLOCK__ATHUB:
    557		return TA_RAS_BLOCK__ATHUB;
    558	case AMDGPU_RAS_BLOCK__PCIE_BIF:
    559		return TA_RAS_BLOCK__PCIE_BIF;
    560	case AMDGPU_RAS_BLOCK__HDP:
    561		return TA_RAS_BLOCK__HDP;
    562	case AMDGPU_RAS_BLOCK__XGMI_WAFL:
    563		return TA_RAS_BLOCK__XGMI_WAFL;
    564	case AMDGPU_RAS_BLOCK__DF:
    565		return TA_RAS_BLOCK__DF;
    566	case AMDGPU_RAS_BLOCK__SMN:
    567		return TA_RAS_BLOCK__SMN;
    568	case AMDGPU_RAS_BLOCK__SEM:
    569		return TA_RAS_BLOCK__SEM;
    570	case AMDGPU_RAS_BLOCK__MP0:
    571		return TA_RAS_BLOCK__MP0;
    572	case AMDGPU_RAS_BLOCK__MP1:
    573		return TA_RAS_BLOCK__MP1;
    574	case AMDGPU_RAS_BLOCK__FUSE:
    575		return TA_RAS_BLOCK__FUSE;
    576	case AMDGPU_RAS_BLOCK__MCA:
    577		return TA_RAS_BLOCK__MCA;
    578	default:
    579		WARN_ONCE(1, "RAS ERROR: unexpected block id %d\n", block);
    580		return TA_RAS_BLOCK__UMC;
    581	}
    582}
    583
    584static inline enum ta_ras_error_type
    585amdgpu_ras_error_to_ta(enum amdgpu_ras_error_type error) {
    586	switch (error) {
    587	case AMDGPU_RAS_ERROR__NONE:
    588		return TA_RAS_ERROR__NONE;
    589	case AMDGPU_RAS_ERROR__PARITY:
    590		return TA_RAS_ERROR__PARITY;
    591	case AMDGPU_RAS_ERROR__SINGLE_CORRECTABLE:
    592		return TA_RAS_ERROR__SINGLE_CORRECTABLE;
    593	case AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE:
    594		return TA_RAS_ERROR__MULTI_UNCORRECTABLE;
    595	case AMDGPU_RAS_ERROR__POISON:
    596		return TA_RAS_ERROR__POISON;
    597	default:
    598		WARN_ONCE(1, "RAS ERROR: unexpected error type %d\n", error);
    599		return TA_RAS_ERROR__NONE;
    600	}
    601}
    602
    603/* called in ip_init and ip_fini */
    604int amdgpu_ras_init(struct amdgpu_device *adev);
    605int amdgpu_ras_late_init(struct amdgpu_device *adev);
    606int amdgpu_ras_fini(struct amdgpu_device *adev);
    607int amdgpu_ras_pre_fini(struct amdgpu_device *adev);
    608
    609int amdgpu_ras_block_late_init(struct amdgpu_device *adev,
    610			struct ras_common_if *ras_block);
    611
    612void amdgpu_ras_block_late_fini(struct amdgpu_device *adev,
    613			  struct ras_common_if *ras_block);
    614
    615int amdgpu_ras_feature_enable(struct amdgpu_device *adev,
    616		struct ras_common_if *head, bool enable);
    617
    618int amdgpu_ras_feature_enable_on_boot(struct amdgpu_device *adev,
    619		struct ras_common_if *head, bool enable);
    620
    621int amdgpu_ras_sysfs_create(struct amdgpu_device *adev,
    622		struct ras_common_if *head);
    623
    624int amdgpu_ras_sysfs_remove(struct amdgpu_device *adev,
    625		struct ras_common_if *head);
    626
    627void amdgpu_ras_debugfs_create_all(struct amdgpu_device *adev);
    628
    629int amdgpu_ras_query_error_status(struct amdgpu_device *adev,
    630		struct ras_query_if *info);
    631
    632int amdgpu_ras_reset_error_status(struct amdgpu_device *adev,
    633		enum amdgpu_ras_block block);
    634
    635int amdgpu_ras_error_inject(struct amdgpu_device *adev,
    636		struct ras_inject_if *info);
    637
    638int amdgpu_ras_interrupt_add_handler(struct amdgpu_device *adev,
    639		struct ras_common_if *head);
    640
    641int amdgpu_ras_interrupt_remove_handler(struct amdgpu_device *adev,
    642		struct ras_common_if *head);
    643
    644int amdgpu_ras_interrupt_dispatch(struct amdgpu_device *adev,
    645		struct ras_dispatch_if *info);
    646
    647struct ras_manager *amdgpu_ras_find_obj(struct amdgpu_device *adev,
    648		struct ras_common_if *head);
    649
    650extern atomic_t amdgpu_ras_in_intr;
    651
    652static inline bool amdgpu_ras_intr_triggered(void)
    653{
    654	return !!atomic_read(&amdgpu_ras_in_intr);
    655}
    656
    657static inline void amdgpu_ras_intr_cleared(void)
    658{
    659	atomic_set(&amdgpu_ras_in_intr, 0);
    660}
    661
    662void amdgpu_ras_global_ras_isr(struct amdgpu_device *adev);
    663
    664void amdgpu_ras_set_error_query_ready(struct amdgpu_device *adev, bool ready);
    665
    666bool amdgpu_ras_need_emergency_restart(struct amdgpu_device *adev);
    667
    668void amdgpu_release_ras_context(struct amdgpu_device *adev);
    669
    670int amdgpu_persistent_edc_harvesting_supported(struct amdgpu_device *adev);
    671
    672const char *get_ras_block_str(struct ras_common_if *ras_block);
    673
    674bool amdgpu_ras_is_poison_mode_supported(struct amdgpu_device *adev);
    675
    676int amdgpu_ras_is_supported(struct amdgpu_device *adev, unsigned int block);
    677
    678int amdgpu_ras_reset_gpu(struct amdgpu_device *adev);
    679
    680struct amdgpu_ras* amdgpu_ras_get_context(struct amdgpu_device *adev);
    681
    682int amdgpu_ras_set_context(struct amdgpu_device *adev, struct amdgpu_ras *ras_con);
    683
    684int amdgpu_ras_register_ras_block(struct amdgpu_device *adev,
    685				struct amdgpu_ras_block_object *ras_block_obj);
    686void amdgpu_ras_interrupt_fatal_error_handler(struct amdgpu_device *adev);
    687#endif