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/*
* Copyright 2023 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_ACA_H__
#define __AMDGPU_ACA_H__
#include <linux/list.h>
struct ras_err_data;
struct ras_query_context;
#define ACA_MAX_REGS_COUNT (16)
#define ACA_REG_FIELD(x, h, l) (((x) & GENMASK_ULL(h, l)) >> l)
#define ACA_REG__STATUS__VAL(x) ACA_REG_FIELD(x, 63, 63)
#define ACA_REG__STATUS__OVERFLOW(x) ACA_REG_FIELD(x, 62, 62)
#define ACA_REG__STATUS__UC(x) ACA_REG_FIELD(x, 61, 61)
#define ACA_REG__STATUS__EN(x) ACA_REG_FIELD(x, 60, 60)
#define ACA_REG__STATUS__MISCV(x) ACA_REG_FIELD(x, 59, 59)
#define ACA_REG__STATUS__ADDRV(x) ACA_REG_FIELD(x, 58, 58)
#define ACA_REG__STATUS__PCC(x) ACA_REG_FIELD(x, 57, 57)
#define ACA_REG__STATUS__ERRCOREIDVAL(x) ACA_REG_FIELD(x, 56, 56)
#define ACA_REG__STATUS__TCC(x) ACA_REG_FIELD(x, 55, 55)
#define ACA_REG__STATUS__SYNDV(x) ACA_REG_FIELD(x, 53, 53)
#define ACA_REG__STATUS__CECC(x) ACA_REG_FIELD(x, 46, 46)
#define ACA_REG__STATUS__UECC(x) ACA_REG_FIELD(x, 45, 45)
#define ACA_REG__STATUS__DEFERRED(x) ACA_REG_FIELD(x, 44, 44)
#define ACA_REG__STATUS__POISON(x) ACA_REG_FIELD(x, 43, 43)
#define ACA_REG__STATUS__SCRUB(x) ACA_REG_FIELD(x, 40, 40)
#define ACA_REG__STATUS__ERRCOREID(x) ACA_REG_FIELD(x, 37, 32)
#define ACA_REG__STATUS__ADDRLSB(x) ACA_REG_FIELD(x, 29, 24)
#define ACA_REG__STATUS__ERRORCODEEXT(x) ACA_REG_FIELD(x, 21, 16)
#define ACA_REG__STATUS__ERRORCODE(x) ACA_REG_FIELD(x, 15, 0)
#define ACA_REG__IPID__MCATYPE(x) ACA_REG_FIELD(x, 63, 48)
#define ACA_REG__IPID__INSTANCEIDHI(x) ACA_REG_FIELD(x, 47, 44)
#define ACA_REG__IPID__HARDWAREID(x) ACA_REG_FIELD(x, 43, 32)
#define ACA_REG__IPID__INSTANCEIDLO(x) ACA_REG_FIELD(x, 31, 0)
#define ACA_REG__MISC0__VALID(x) ACA_REG_FIELD(x, 63, 63)
#define ACA_REG__MISC0__OVRFLW(x) ACA_REG_FIELD(x, 48, 48)
#define ACA_REG__MISC0__ERRCNT(x) ACA_REG_FIELD(x, 43, 32)
#define ACA_REG__SYND__ERRORINFORMATION(x) ACA_REG_FIELD(x, 17, 0)
/* NOTE: The following codes refers to the smu header file */
#define ACA_EXTERROR_CODE_CE 0x3a
#define ACA_EXTERROR_CODE_FAULT 0x3b
#define ACA_ERROR_UE_MASK BIT_MASK(ACA_ERROR_TYPE_UE)
#define ACA_ERROR_CE_MASK BIT_MASK(ACA_ERROR_TYPE_CE)
#define ACA_ERROR_DEFERRED_MASK BIT_MASK(ACA_ERROR_TYPE_DEFERRED)
enum aca_reg_idx {
ACA_REG_IDX_CTL = 0,
ACA_REG_IDX_STATUS = 1,
ACA_REG_IDX_ADDR = 2,
ACA_REG_IDX_MISC0 = 3,
ACA_REG_IDX_CONFG = 4,
ACA_REG_IDX_IPID = 5,
ACA_REG_IDX_SYND = 6,
ACA_REG_IDX_DESTAT = 8,
ACA_REG_IDX_DEADDR = 9,
ACA_REG_IDX_CTL_MASK = 10,
ACA_REG_IDX_COUNT = 16,
};
enum aca_hwip_type {
ACA_HWIP_TYPE_UNKNOW = -1,
ACA_HWIP_TYPE_PSP = 0,
ACA_HWIP_TYPE_UMC,
ACA_HWIP_TYPE_SMU,
ACA_HWIP_TYPE_PCS_XGMI,
ACA_HWIP_TYPE_COUNT,
};
enum aca_error_type {
ACA_ERROR_TYPE_INVALID = -1,
ACA_ERROR_TYPE_UE = 0,
ACA_ERROR_TYPE_CE,
ACA_ERROR_TYPE_DEFERRED,
ACA_ERROR_TYPE_COUNT
};
enum aca_smu_type {
ACA_SMU_TYPE_UE = 0,
ACA_SMU_TYPE_CE,
ACA_SMU_TYPE_COUNT,
};
struct aca_bank {
enum aca_smu_type type;
u64 regs[ACA_MAX_REGS_COUNT];
};
struct aca_bank_node {
struct aca_bank bank;
struct list_head node;
};
struct aca_bank_info {
int die_id;
int socket_id;
int hwid;
int mcatype;
};
struct aca_bank_error {
struct list_head node;
struct aca_bank_info info;
u64 count;
};
struct aca_error {
struct list_head list;
struct mutex lock;
enum aca_error_type type;
int nr_errors;
};
struct aca_handle_manager {
struct list_head list;
int nr_handles;
};
struct aca_error_cache {
struct aca_error errors[ACA_ERROR_TYPE_COUNT];
};
struct aca_handle {
struct list_head node;
enum aca_hwip_type hwip;
struct amdgpu_device *adev;
struct aca_handle_manager *mgr;
struct aca_error_cache error_cache;
const struct aca_bank_ops *bank_ops;
struct device_attribute aca_attr;
char attr_name[64];
const char *name;
u32 mask;
void *data;
};
struct aca_bank_ops {
int (*aca_bank_parser)(struct aca_handle *handle, struct aca_bank *bank, enum aca_smu_type type, void *data);
bool (*aca_bank_is_valid)(struct aca_handle *handle, struct aca_bank *bank, enum aca_smu_type type,
void *data);
};
struct aca_smu_funcs {
int max_ue_bank_count;
int max_ce_bank_count;
int (*set_debug_mode)(struct amdgpu_device *adev, bool enable);
int (*get_valid_aca_count)(struct amdgpu_device *adev, enum aca_smu_type type, u32 *count);
int (*get_valid_aca_bank)(struct amdgpu_device *adev, enum aca_smu_type type, int idx, struct aca_bank *bank);
int (*parse_error_code)(struct amdgpu_device *adev, struct aca_bank *bank);
};
struct amdgpu_aca {
struct aca_handle_manager mgr;
const struct aca_smu_funcs *smu_funcs;
atomic_t ue_update_flag;
bool is_enabled;
};
struct aca_info {
enum aca_hwip_type hwip;
const struct aca_bank_ops *bank_ops;
u32 mask;
};
int amdgpu_aca_init(struct amdgpu_device *adev);
void amdgpu_aca_fini(struct amdgpu_device *adev);
int amdgpu_aca_reset(struct amdgpu_device *adev);
void amdgpu_aca_set_smu_funcs(struct amdgpu_device *adev, const struct aca_smu_funcs *smu_funcs);
bool amdgpu_aca_is_enabled(struct amdgpu_device *adev);
int aca_bank_info_decode(struct aca_bank *bank, struct aca_bank_info *info);
int aca_bank_check_error_codes(struct amdgpu_device *adev, struct aca_bank *bank, int *err_codes, int size);
int amdgpu_aca_add_handle(struct amdgpu_device *adev, struct aca_handle *handle,
const char *name, const struct aca_info *aca_info, void *data);
void amdgpu_aca_remove_handle(struct aca_handle *handle);
int amdgpu_aca_get_error_data(struct amdgpu_device *adev, struct aca_handle *handle,
enum aca_error_type type, struct ras_err_data *err_data,
struct ras_query_context *qctx);
int amdgpu_aca_smu_set_debug_mode(struct amdgpu_device *adev, bool en);
void amdgpu_aca_smu_debugfs_init(struct amdgpu_device *adev, struct dentry *root);
int aca_error_cache_log_bank_error(struct aca_handle *handle, struct aca_bank_info *info,
enum aca_error_type type, u64 count);
#endif
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