linux/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h
Guchun Chen f75e94d868 drm/amdgpu: bypass querying ras error count registers
Once ras recovery is issued by ras sync flood interrupt or
ras controller interrupt, add this guard to bypass or execute
ras error count register harvest of all IPs.

Signed-off-by: Guchun Chen <guchun.chen@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Dennis Li <Dennis.Li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2020-08-14 16:12:22 -04:00

654 lines
20 KiB
C

/*
* 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(struct amdgpu_device *adev,
struct ras_fs_if *head);
void amdgpu_ras_debugfs_create_all(struct amdgpu_device *adev);
void amdgpu_ras_debugfs_remove(struct amdgpu_device *adev,
struct ras_common_if *head);
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