diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h | 647 |
1 files changed, 647 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h new file mode 100644 index 000000000..ec398ed7d --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h @@ -0,0 +1,647 @@ +/* + * Copyright 2018 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * + */ +#ifndef _AMDGPU_RAS_H +#define _AMDGPU_RAS_H + +#include <linux/debugfs.h> +#include <linux/list.h> +#include "amdgpu.h" +#include "amdgpu_psp.h" +#include "ta_ras_if.h" +#include "amdgpu_ras_eeprom.h" + +#define AMDGPU_RAS_FLAG_INIT_BY_VBIOS (0x1 << 0) +#define AMDGPU_RAS_FLAG_INIT_NEED_RESET (0x1 << 1) +#define AMDGPU_RAS_FLAG_SKIP_BAD_PAGE_RESV (0x1 << 2) + +enum amdgpu_ras_block { + AMDGPU_RAS_BLOCK__UMC = 0, + AMDGPU_RAS_BLOCK__SDMA, + AMDGPU_RAS_BLOCK__GFX, + AMDGPU_RAS_BLOCK__MMHUB, + AMDGPU_RAS_BLOCK__ATHUB, + AMDGPU_RAS_BLOCK__PCIE_BIF, + AMDGPU_RAS_BLOCK__HDP, + AMDGPU_RAS_BLOCK__XGMI_WAFL, + AMDGPU_RAS_BLOCK__DF, + AMDGPU_RAS_BLOCK__SMN, + AMDGPU_RAS_BLOCK__SEM, + AMDGPU_RAS_BLOCK__MP0, + AMDGPU_RAS_BLOCK__MP1, + AMDGPU_RAS_BLOCK__FUSE, + + AMDGPU_RAS_BLOCK__LAST +}; + +#define AMDGPU_RAS_BLOCK_COUNT AMDGPU_RAS_BLOCK__LAST +#define AMDGPU_RAS_BLOCK_MASK ((1ULL << AMDGPU_RAS_BLOCK_COUNT) - 1) + +enum amdgpu_ras_gfx_subblock { + /* CPC */ + AMDGPU_RAS_BLOCK__GFX_CPC_INDEX_START = 0, + AMDGPU_RAS_BLOCK__GFX_CPC_SCRATCH = + AMDGPU_RAS_BLOCK__GFX_CPC_INDEX_START, + AMDGPU_RAS_BLOCK__GFX_CPC_UCODE, + AMDGPU_RAS_BLOCK__GFX_DC_STATE_ME1, + AMDGPU_RAS_BLOCK__GFX_DC_CSINVOC_ME1, + AMDGPU_RAS_BLOCK__GFX_DC_RESTORE_ME1, + AMDGPU_RAS_BLOCK__GFX_DC_STATE_ME2, + AMDGPU_RAS_BLOCK__GFX_DC_CSINVOC_ME2, + AMDGPU_RAS_BLOCK__GFX_DC_RESTORE_ME2, + AMDGPU_RAS_BLOCK__GFX_CPC_INDEX_END = + AMDGPU_RAS_BLOCK__GFX_DC_RESTORE_ME2, + /* CPF */ + AMDGPU_RAS_BLOCK__GFX_CPF_INDEX_START, + AMDGPU_RAS_BLOCK__GFX_CPF_ROQ_ME2 = + AMDGPU_RAS_BLOCK__GFX_CPF_INDEX_START, + AMDGPU_RAS_BLOCK__GFX_CPF_ROQ_ME1, + AMDGPU_RAS_BLOCK__GFX_CPF_TAG, + AMDGPU_RAS_BLOCK__GFX_CPF_INDEX_END = AMDGPU_RAS_BLOCK__GFX_CPF_TAG, + /* CPG */ + AMDGPU_RAS_BLOCK__GFX_CPG_INDEX_START, + AMDGPU_RAS_BLOCK__GFX_CPG_DMA_ROQ = + AMDGPU_RAS_BLOCK__GFX_CPG_INDEX_START, + AMDGPU_RAS_BLOCK__GFX_CPG_DMA_TAG, + AMDGPU_RAS_BLOCK__GFX_CPG_TAG, + AMDGPU_RAS_BLOCK__GFX_CPG_INDEX_END = AMDGPU_RAS_BLOCK__GFX_CPG_TAG, + /* GDS */ + AMDGPU_RAS_BLOCK__GFX_GDS_INDEX_START, + AMDGPU_RAS_BLOCK__GFX_GDS_MEM = AMDGPU_RAS_BLOCK__GFX_GDS_INDEX_START, + AMDGPU_RAS_BLOCK__GFX_GDS_INPUT_QUEUE, + AMDGPU_RAS_BLOCK__GFX_GDS_OA_PHY_CMD_RAM_MEM, + AMDGPU_RAS_BLOCK__GFX_GDS_OA_PHY_DATA_RAM_MEM, + AMDGPU_RAS_BLOCK__GFX_GDS_OA_PIPE_MEM, + AMDGPU_RAS_BLOCK__GFX_GDS_INDEX_END = + AMDGPU_RAS_BLOCK__GFX_GDS_OA_PIPE_MEM, + /* SPI */ + AMDGPU_RAS_BLOCK__GFX_SPI_SR_MEM, + /* SQ */ + AMDGPU_RAS_BLOCK__GFX_SQ_INDEX_START, + AMDGPU_RAS_BLOCK__GFX_SQ_SGPR = AMDGPU_RAS_BLOCK__GFX_SQ_INDEX_START, + AMDGPU_RAS_BLOCK__GFX_SQ_LDS_D, + AMDGPU_RAS_BLOCK__GFX_SQ_LDS_I, + AMDGPU_RAS_BLOCK__GFX_SQ_VGPR, + AMDGPU_RAS_BLOCK__GFX_SQ_INDEX_END = AMDGPU_RAS_BLOCK__GFX_SQ_VGPR, + /* SQC (3 ranges) */ + AMDGPU_RAS_BLOCK__GFX_SQC_INDEX_START, + /* SQC range 0 */ + AMDGPU_RAS_BLOCK__GFX_SQC_INDEX0_START = + AMDGPU_RAS_BLOCK__GFX_SQC_INDEX_START, + AMDGPU_RAS_BLOCK__GFX_SQC_INST_UTCL1_LFIFO = + AMDGPU_RAS_BLOCK__GFX_SQC_INDEX0_START, + AMDGPU_RAS_BLOCK__GFX_SQC_DATA_CU0_WRITE_DATA_BUF, + AMDGPU_RAS_BLOCK__GFX_SQC_DATA_CU0_UTCL1_LFIFO, + AMDGPU_RAS_BLOCK__GFX_SQC_DATA_CU1_WRITE_DATA_BUF, + AMDGPU_RAS_BLOCK__GFX_SQC_DATA_CU1_UTCL1_LFIFO, + AMDGPU_RAS_BLOCK__GFX_SQC_DATA_CU2_WRITE_DATA_BUF, + AMDGPU_RAS_BLOCK__GFX_SQC_DATA_CU2_UTCL1_LFIFO, + AMDGPU_RAS_BLOCK__GFX_SQC_INDEX0_END = + AMDGPU_RAS_BLOCK__GFX_SQC_DATA_CU2_UTCL1_LFIFO, + /* SQC range 1 */ + AMDGPU_RAS_BLOCK__GFX_SQC_INDEX1_START, + AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKA_TAG_RAM = + AMDGPU_RAS_BLOCK__GFX_SQC_INDEX1_START, + AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKA_UTCL1_MISS_FIFO, + AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKA_MISS_FIFO, + AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKA_BANK_RAM, + AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKA_TAG_RAM, + AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKA_HIT_FIFO, + AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKA_MISS_FIFO, + AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKA_DIRTY_BIT_RAM, + AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKA_BANK_RAM, + AMDGPU_RAS_BLOCK__GFX_SQC_INDEX1_END = + AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKA_BANK_RAM, + /* SQC range 2 */ + AMDGPU_RAS_BLOCK__GFX_SQC_INDEX2_START, + AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKB_TAG_RAM = + AMDGPU_RAS_BLOCK__GFX_SQC_INDEX2_START, + AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKB_UTCL1_MISS_FIFO, + AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKB_MISS_FIFO, + AMDGPU_RAS_BLOCK__GFX_SQC_INST_BANKB_BANK_RAM, + AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKB_TAG_RAM, + AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKB_HIT_FIFO, + AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKB_MISS_FIFO, + AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKB_DIRTY_BIT_RAM, + AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKB_BANK_RAM, + AMDGPU_RAS_BLOCK__GFX_SQC_INDEX2_END = + AMDGPU_RAS_BLOCK__GFX_SQC_DATA_BANKB_BANK_RAM, + AMDGPU_RAS_BLOCK__GFX_SQC_INDEX_END = + AMDGPU_RAS_BLOCK__GFX_SQC_INDEX2_END, + /* TA */ + AMDGPU_RAS_BLOCK__GFX_TA_INDEX_START, + AMDGPU_RAS_BLOCK__GFX_TA_FS_DFIFO = + AMDGPU_RAS_BLOCK__GFX_TA_INDEX_START, + AMDGPU_RAS_BLOCK__GFX_TA_FS_AFIFO, + AMDGPU_RAS_BLOCK__GFX_TA_FL_LFIFO, + AMDGPU_RAS_BLOCK__GFX_TA_FX_LFIFO, + AMDGPU_RAS_BLOCK__GFX_TA_FS_CFIFO, + AMDGPU_RAS_BLOCK__GFX_TA_INDEX_END = AMDGPU_RAS_BLOCK__GFX_TA_FS_CFIFO, + /* TCA */ + AMDGPU_RAS_BLOCK__GFX_TCA_INDEX_START, + AMDGPU_RAS_BLOCK__GFX_TCA_HOLE_FIFO = + AMDGPU_RAS_BLOCK__GFX_TCA_INDEX_START, + AMDGPU_RAS_BLOCK__GFX_TCA_REQ_FIFO, + AMDGPU_RAS_BLOCK__GFX_TCA_INDEX_END = + AMDGPU_RAS_BLOCK__GFX_TCA_REQ_FIFO, + /* TCC (5 sub-ranges) */ + AMDGPU_RAS_BLOCK__GFX_TCC_INDEX_START, + /* TCC range 0 */ + AMDGPU_RAS_BLOCK__GFX_TCC_INDEX0_START = + AMDGPU_RAS_BLOCK__GFX_TCC_INDEX_START, + AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_DATA = + AMDGPU_RAS_BLOCK__GFX_TCC_INDEX0_START, + AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_DATA_BANK_0_1, + AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_DATA_BANK_1_0, + AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_DATA_BANK_1_1, + AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_DIRTY_BANK_0, + AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_DIRTY_BANK_1, + AMDGPU_RAS_BLOCK__GFX_TCC_HIGH_RATE_TAG, + AMDGPU_RAS_BLOCK__GFX_TCC_LOW_RATE_TAG, + AMDGPU_RAS_BLOCK__GFX_TCC_INDEX0_END = + AMDGPU_RAS_BLOCK__GFX_TCC_LOW_RATE_TAG, + /* TCC range 1 */ + AMDGPU_RAS_BLOCK__GFX_TCC_INDEX1_START, + AMDGPU_RAS_BLOCK__GFX_TCC_IN_USE_DEC = + AMDGPU_RAS_BLOCK__GFX_TCC_INDEX1_START, + AMDGPU_RAS_BLOCK__GFX_TCC_IN_USE_TRANSFER, + AMDGPU_RAS_BLOCK__GFX_TCC_INDEX1_END = + AMDGPU_RAS_BLOCK__GFX_TCC_IN_USE_TRANSFER, + /* TCC range 2 */ + AMDGPU_RAS_BLOCK__GFX_TCC_INDEX2_START, + AMDGPU_RAS_BLOCK__GFX_TCC_RETURN_DATA = + AMDGPU_RAS_BLOCK__GFX_TCC_INDEX2_START, + AMDGPU_RAS_BLOCK__GFX_TCC_RETURN_CONTROL, + AMDGPU_RAS_BLOCK__GFX_TCC_UC_ATOMIC_FIFO, + AMDGPU_RAS_BLOCK__GFX_TCC_WRITE_RETURN, + AMDGPU_RAS_BLOCK__GFX_TCC_WRITE_CACHE_READ, + AMDGPU_RAS_BLOCK__GFX_TCC_SRC_FIFO, + AMDGPU_RAS_BLOCK__GFX_TCC_SRC_FIFO_NEXT_RAM, + AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_TAG_PROBE_FIFO, + AMDGPU_RAS_BLOCK__GFX_TCC_INDEX2_END = + AMDGPU_RAS_BLOCK__GFX_TCC_CACHE_TAG_PROBE_FIFO, + /* TCC range 3 */ + AMDGPU_RAS_BLOCK__GFX_TCC_INDEX3_START, + AMDGPU_RAS_BLOCK__GFX_TCC_LATENCY_FIFO = + AMDGPU_RAS_BLOCK__GFX_TCC_INDEX3_START, + AMDGPU_RAS_BLOCK__GFX_TCC_LATENCY_FIFO_NEXT_RAM, + AMDGPU_RAS_BLOCK__GFX_TCC_INDEX3_END = + AMDGPU_RAS_BLOCK__GFX_TCC_LATENCY_FIFO_NEXT_RAM, + /* TCC range 4 */ + AMDGPU_RAS_BLOCK__GFX_TCC_INDEX4_START, + AMDGPU_RAS_BLOCK__GFX_TCC_WRRET_TAG_WRITE_RETURN = + AMDGPU_RAS_BLOCK__GFX_TCC_INDEX4_START, + AMDGPU_RAS_BLOCK__GFX_TCC_ATOMIC_RETURN_BUFFER, + AMDGPU_RAS_BLOCK__GFX_TCC_INDEX4_END = + AMDGPU_RAS_BLOCK__GFX_TCC_ATOMIC_RETURN_BUFFER, + AMDGPU_RAS_BLOCK__GFX_TCC_INDEX_END = + AMDGPU_RAS_BLOCK__GFX_TCC_INDEX4_END, + /* TCI */ + AMDGPU_RAS_BLOCK__GFX_TCI_WRITE_RAM, + /* TCP */ + AMDGPU_RAS_BLOCK__GFX_TCP_INDEX_START, + AMDGPU_RAS_BLOCK__GFX_TCP_CACHE_RAM = + AMDGPU_RAS_BLOCK__GFX_TCP_INDEX_START, + AMDGPU_RAS_BLOCK__GFX_TCP_LFIFO_RAM, + AMDGPU_RAS_BLOCK__GFX_TCP_CMD_FIFO, + AMDGPU_RAS_BLOCK__GFX_TCP_VM_FIFO, + AMDGPU_RAS_BLOCK__GFX_TCP_DB_RAM, + AMDGPU_RAS_BLOCK__GFX_TCP_UTCL1_LFIFO0, + AMDGPU_RAS_BLOCK__GFX_TCP_UTCL1_LFIFO1, + AMDGPU_RAS_BLOCK__GFX_TCP_INDEX_END = + AMDGPU_RAS_BLOCK__GFX_TCP_UTCL1_LFIFO1, + /* TD */ + AMDGPU_RAS_BLOCK__GFX_TD_INDEX_START, + AMDGPU_RAS_BLOCK__GFX_TD_SS_FIFO_LO = + AMDGPU_RAS_BLOCK__GFX_TD_INDEX_START, + AMDGPU_RAS_BLOCK__GFX_TD_SS_FIFO_HI, + AMDGPU_RAS_BLOCK__GFX_TD_CS_FIFO, + AMDGPU_RAS_BLOCK__GFX_TD_INDEX_END = AMDGPU_RAS_BLOCK__GFX_TD_CS_FIFO, + /* EA (3 sub-ranges) */ + AMDGPU_RAS_BLOCK__GFX_EA_INDEX_START, + /* EA range 0 */ + AMDGPU_RAS_BLOCK__GFX_EA_INDEX0_START = + AMDGPU_RAS_BLOCK__GFX_EA_INDEX_START, + AMDGPU_RAS_BLOCK__GFX_EA_DRAMRD_CMDMEM = + AMDGPU_RAS_BLOCK__GFX_EA_INDEX0_START, + AMDGPU_RAS_BLOCK__GFX_EA_DRAMWR_CMDMEM, + AMDGPU_RAS_BLOCK__GFX_EA_DRAMWR_DATAMEM, + AMDGPU_RAS_BLOCK__GFX_EA_RRET_TAGMEM, + AMDGPU_RAS_BLOCK__GFX_EA_WRET_TAGMEM, + AMDGPU_RAS_BLOCK__GFX_EA_GMIRD_CMDMEM, + AMDGPU_RAS_BLOCK__GFX_EA_GMIWR_CMDMEM, + AMDGPU_RAS_BLOCK__GFX_EA_GMIWR_DATAMEM, + AMDGPU_RAS_BLOCK__GFX_EA_INDEX0_END = + AMDGPU_RAS_BLOCK__GFX_EA_GMIWR_DATAMEM, + /* EA range 1 */ + AMDGPU_RAS_BLOCK__GFX_EA_INDEX1_START, + AMDGPU_RAS_BLOCK__GFX_EA_DRAMRD_PAGEMEM = + AMDGPU_RAS_BLOCK__GFX_EA_INDEX1_START, + AMDGPU_RAS_BLOCK__GFX_EA_DRAMWR_PAGEMEM, + AMDGPU_RAS_BLOCK__GFX_EA_IORD_CMDMEM, + AMDGPU_RAS_BLOCK__GFX_EA_IOWR_CMDMEM, + AMDGPU_RAS_BLOCK__GFX_EA_IOWR_DATAMEM, + AMDGPU_RAS_BLOCK__GFX_EA_GMIRD_PAGEMEM, + AMDGPU_RAS_BLOCK__GFX_EA_GMIWR_PAGEMEM, + AMDGPU_RAS_BLOCK__GFX_EA_INDEX1_END = + AMDGPU_RAS_BLOCK__GFX_EA_GMIWR_PAGEMEM, + /* EA range 2 */ + AMDGPU_RAS_BLOCK__GFX_EA_INDEX2_START, + AMDGPU_RAS_BLOCK__GFX_EA_MAM_D0MEM = + AMDGPU_RAS_BLOCK__GFX_EA_INDEX2_START, + AMDGPU_RAS_BLOCK__GFX_EA_MAM_D1MEM, + AMDGPU_RAS_BLOCK__GFX_EA_MAM_D2MEM, + AMDGPU_RAS_BLOCK__GFX_EA_MAM_D3MEM, + AMDGPU_RAS_BLOCK__GFX_EA_INDEX2_END = + AMDGPU_RAS_BLOCK__GFX_EA_MAM_D3MEM, + AMDGPU_RAS_BLOCK__GFX_EA_INDEX_END = + AMDGPU_RAS_BLOCK__GFX_EA_INDEX2_END, + /* UTC VM L2 bank */ + AMDGPU_RAS_BLOCK__UTC_VML2_BANK_CACHE, + /* UTC VM walker */ + AMDGPU_RAS_BLOCK__UTC_VML2_WALKER, + /* UTC ATC L2 2MB cache */ + AMDGPU_RAS_BLOCK__UTC_ATCL2_CACHE_2M_BANK, + /* UTC ATC L2 4KB cache */ + AMDGPU_RAS_BLOCK__UTC_ATCL2_CACHE_4K_BANK, + AMDGPU_RAS_BLOCK__GFX_MAX +}; + +enum amdgpu_ras_error_type { + AMDGPU_RAS_ERROR__NONE = 0, + AMDGPU_RAS_ERROR__PARITY = 1, + AMDGPU_RAS_ERROR__SINGLE_CORRECTABLE = 2, + AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE = 4, + AMDGPU_RAS_ERROR__POISON = 8, +}; + +enum amdgpu_ras_ret { + AMDGPU_RAS_SUCCESS = 0, + AMDGPU_RAS_FAIL, + AMDGPU_RAS_UE, + AMDGPU_RAS_CE, + AMDGPU_RAS_PT, +}; + +struct ras_common_if { + enum amdgpu_ras_block block; + enum amdgpu_ras_error_type type; + uint32_t sub_block_index; + /* block name */ + char name[32]; +}; + +struct amdgpu_ras { + /* ras infrastructure */ + /* for ras itself. */ + uint32_t hw_supported; + /* for IP to check its ras ability. */ + uint32_t supported; + uint32_t features; + struct list_head head; + /* debugfs */ + struct dentry *dir; + /* sysfs */ + struct device_attribute features_attr; + struct bin_attribute badpages_attr; + /* block array */ + struct ras_manager *objs; + + /* gpu recovery */ + struct work_struct recovery_work; + atomic_t in_recovery; + struct amdgpu_device *adev; + /* error handler data */ + struct ras_err_handler_data *eh_data; + struct mutex recovery_lock; + + uint32_t flags; + bool reboot; + struct amdgpu_ras_eeprom_control eeprom_control; + + bool error_query_ready; + + /* bad page count threshold */ + uint32_t bad_page_cnt_threshold; + + /* disable ras error count harvest in recovery */ + bool disable_ras_err_cnt_harvest; +}; + +struct ras_fs_data { + char sysfs_name[32]; + char debugfs_name[32]; +}; + +struct ras_err_data { + unsigned long ue_count; + unsigned long ce_count; + unsigned long err_addr_cnt; + struct eeprom_table_record *err_addr; +}; + +struct ras_err_handler_data { + /* point to bad page records array */ + struct eeprom_table_record *bps; + /* point to reserved bo array */ + struct amdgpu_bo **bps_bo; + /* the count of entries */ + int count; + /* the space can place new entries */ + int space_left; + /* last reserved entry's index + 1 */ + int last_reserved; +}; + +typedef int (*ras_ih_cb)(struct amdgpu_device *adev, + void *err_data, + struct amdgpu_iv_entry *entry); + +struct ras_ih_data { + /* interrupt bottom half */ + struct work_struct ih_work; + int inuse; + /* IP callback */ + ras_ih_cb cb; + /* full of entries */ + unsigned char *ring; + unsigned int ring_size; + unsigned int element_size; + unsigned int aligned_element_size; + unsigned int rptr; + unsigned int wptr; +}; + +struct ras_manager { + struct ras_common_if head; + /* reference count */ + int use; + /* ras block link */ + struct list_head node; + /* the device */ + struct amdgpu_device *adev; + /* debugfs */ + struct dentry *ent; + /* sysfs */ + struct device_attribute sysfs_attr; + int attr_inuse; + + /* fs node name */ + struct ras_fs_data fs_data; + + /* IH data */ + struct ras_ih_data ih_data; + + struct ras_err_data err_data; +}; + +struct ras_badpage { + unsigned int bp; + unsigned int size; + unsigned int flags; +}; + +/* interfaces for IP */ +struct ras_fs_if { + struct ras_common_if head; + char sysfs_name[32]; + char debugfs_name[32]; +}; + +struct ras_query_if { + struct ras_common_if head; + unsigned long ue_count; + unsigned long ce_count; +}; + +struct ras_inject_if { + struct ras_common_if head; + uint64_t address; + uint64_t value; +}; + +struct ras_cure_if { + struct ras_common_if head; + uint64_t address; +}; + +struct ras_ih_if { + struct ras_common_if head; + ras_ih_cb cb; +}; + +struct ras_dispatch_if { + struct ras_common_if head; + struct amdgpu_iv_entry *entry; +}; + +struct ras_debug_if { + union { + struct ras_common_if head; + struct ras_inject_if inject; + }; + int op; +}; +/* work flow + * vbios + * 1: ras feature enable (enabled by default) + * psp + * 2: ras framework init (in ip_init) + * IP + * 3: IH add + * 4: debugfs/sysfs create + * 5: query/inject + * 6: debugfs/sysfs remove + * 7: IH remove + * 8: feature disable + */ + +#define amdgpu_ras_get_context(adev) ((adev)->psp.ras.ras) +#define amdgpu_ras_set_context(adev, ras_con) ((adev)->psp.ras.ras = (ras_con)) + +/* check if ras is supported on block, say, sdma, gfx */ +static inline int amdgpu_ras_is_supported(struct amdgpu_device *adev, + unsigned int block) +{ + struct amdgpu_ras *ras = amdgpu_ras_get_context(adev); + + if (block >= AMDGPU_RAS_BLOCK_COUNT) + return 0; + return ras && (ras->supported & (1 << block)); +} + +int amdgpu_ras_recovery_init(struct amdgpu_device *adev); +int amdgpu_ras_request_reset_on_boot(struct amdgpu_device *adev, + unsigned int block); + +void amdgpu_ras_resume(struct amdgpu_device *adev); +void amdgpu_ras_suspend(struct amdgpu_device *adev); + +unsigned long amdgpu_ras_query_error_count(struct amdgpu_device *adev, + bool is_ce); + +bool amdgpu_ras_check_err_threshold(struct amdgpu_device *adev); + +/* error handling functions */ +int amdgpu_ras_add_bad_pages(struct amdgpu_device *adev, + struct eeprom_table_record *bps, int pages); + +int amdgpu_ras_reserve_bad_pages(struct amdgpu_device *adev); + +static inline int amdgpu_ras_reset_gpu(struct amdgpu_device *adev) +{ + struct amdgpu_ras *ras = amdgpu_ras_get_context(adev); + + /* + * Save bad page to eeprom before gpu reset, i2c may be unstable + * in gpu reset. + * + * Also, exclude the case when ras recovery issuer is + * eeprom page write itself. + */ + if (!(ras->flags & AMDGPU_RAS_FLAG_SKIP_BAD_PAGE_RESV) && in_task()) + amdgpu_ras_reserve_bad_pages(adev); + + if (atomic_cmpxchg(&ras->in_recovery, 0, 1) == 0) + schedule_work(&ras->recovery_work); + return 0; +} + +static inline enum ta_ras_block +amdgpu_ras_block_to_ta(enum amdgpu_ras_block block) { + switch (block) { + case AMDGPU_RAS_BLOCK__UMC: + return TA_RAS_BLOCK__UMC; + case AMDGPU_RAS_BLOCK__SDMA: + return TA_RAS_BLOCK__SDMA; + case AMDGPU_RAS_BLOCK__GFX: + return TA_RAS_BLOCK__GFX; + case AMDGPU_RAS_BLOCK__MMHUB: + return TA_RAS_BLOCK__MMHUB; + case AMDGPU_RAS_BLOCK__ATHUB: + return TA_RAS_BLOCK__ATHUB; + case AMDGPU_RAS_BLOCK__PCIE_BIF: + return TA_RAS_BLOCK__PCIE_BIF; + case AMDGPU_RAS_BLOCK__HDP: + return TA_RAS_BLOCK__HDP; + case AMDGPU_RAS_BLOCK__XGMI_WAFL: + return TA_RAS_BLOCK__XGMI_WAFL; + case AMDGPU_RAS_BLOCK__DF: + return TA_RAS_BLOCK__DF; + case AMDGPU_RAS_BLOCK__SMN: + return TA_RAS_BLOCK__SMN; + case AMDGPU_RAS_BLOCK__SEM: + return TA_RAS_BLOCK__SEM; + case AMDGPU_RAS_BLOCK__MP0: + return TA_RAS_BLOCK__MP0; + case AMDGPU_RAS_BLOCK__MP1: + return TA_RAS_BLOCK__MP1; + case AMDGPU_RAS_BLOCK__FUSE: + return TA_RAS_BLOCK__FUSE; + default: + WARN_ONCE(1, "RAS ERROR: unexpected block id %d\n", block); + return TA_RAS_BLOCK__UMC; + } +} + +static inline enum ta_ras_error_type +amdgpu_ras_error_to_ta(enum amdgpu_ras_error_type error) { + switch (error) { + case AMDGPU_RAS_ERROR__NONE: + return TA_RAS_ERROR__NONE; + case AMDGPU_RAS_ERROR__PARITY: + return TA_RAS_ERROR__PARITY; + case AMDGPU_RAS_ERROR__SINGLE_CORRECTABLE: + return TA_RAS_ERROR__SINGLE_CORRECTABLE; + case AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE: + return TA_RAS_ERROR__MULTI_UNCORRECTABLE; + case AMDGPU_RAS_ERROR__POISON: + return TA_RAS_ERROR__POISON; + default: + WARN_ONCE(1, "RAS ERROR: unexpected error type %d\n", error); + return TA_RAS_ERROR__NONE; + } +} + +/* called in ip_init and ip_fini */ +int amdgpu_ras_init(struct amdgpu_device *adev); +int amdgpu_ras_fini(struct amdgpu_device *adev); +int amdgpu_ras_pre_fini(struct amdgpu_device *adev); +int amdgpu_ras_late_init(struct amdgpu_device *adev, + struct ras_common_if *ras_block, + struct ras_fs_if *fs_info, + struct ras_ih_if *ih_info); +void amdgpu_ras_late_fini(struct amdgpu_device *adev, + struct ras_common_if *ras_block, + struct ras_ih_if *ih_info); + +int amdgpu_ras_feature_enable(struct amdgpu_device *adev, + struct ras_common_if *head, bool enable); + +int amdgpu_ras_feature_enable_on_boot(struct amdgpu_device *adev, + struct ras_common_if *head, bool enable); + +int amdgpu_ras_sysfs_create(struct amdgpu_device *adev, + struct ras_fs_if *head); + +int amdgpu_ras_sysfs_remove(struct amdgpu_device *adev, + struct ras_common_if *head); + +void amdgpu_ras_debugfs_create_all(struct amdgpu_device *adev); + +int amdgpu_ras_error_query(struct amdgpu_device *adev, + struct ras_query_if *info); + +int amdgpu_ras_error_inject(struct amdgpu_device *adev, + struct ras_inject_if *info); + +int amdgpu_ras_interrupt_add_handler(struct amdgpu_device *adev, + struct ras_ih_if *info); + +int amdgpu_ras_interrupt_remove_handler(struct amdgpu_device *adev, + struct ras_ih_if *info); + +int amdgpu_ras_interrupt_dispatch(struct amdgpu_device *adev, + struct ras_dispatch_if *info); + +struct ras_manager *amdgpu_ras_find_obj(struct amdgpu_device *adev, + struct ras_common_if *head); + +extern atomic_t amdgpu_ras_in_intr; + +static inline bool amdgpu_ras_intr_triggered(void) +{ + return !!atomic_read(&amdgpu_ras_in_intr); +} + +static inline void amdgpu_ras_intr_cleared(void) +{ + atomic_set(&amdgpu_ras_in_intr, 0); +} + +void amdgpu_ras_global_ras_isr(struct amdgpu_device *adev); + +void amdgpu_ras_set_error_query_ready(struct amdgpu_device *adev, bool ready); + +bool amdgpu_ras_need_emergency_restart(struct amdgpu_device *adev); +#endif |