root/drivers/gpu/drm/amd/ras/rascore/ras_eeprom_fw.h
/* SPDX-License-Identifier: MIT */
/*
 * Copyright 2026 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 __RAS_EEPROM_FW_H__
#define __RAS_EEPROM_FW_H__

struct ras_fw_eeprom_control {
        uint32_t version;
        /* record threshold */
        int record_threshold_config;
        uint32_t record_threshold_count;
        bool update_channel_flag;

        /* Number of records in the table.
         */
        u32 ras_num_recs;

        /* Maximum possible number of records
         * we could store, i.e. the maximum capacity
         * of the table.
         */
        u32 ras_max_record_count;

        /* Protect table access via this mutex.
         */
        struct mutex ras_tbl_mutex;

        /* Record channel info which occurred bad pages
         */
        u32 bad_channel_bitmap;
};

void ras_fw_init_feature_flags(struct ras_core_context *ras_core);
bool ras_fw_eeprom_supported(struct ras_core_context *ras_core);
int ras_fw_get_table_version(struct ras_core_context *ras_core,
                                     uint32_t *table_version);
int ras_fw_get_badpage_count(struct ras_core_context *ras_core,
                                     uint32_t *count, uint32_t timeout);
int ras_fw_get_badpage_mca_addr(struct ras_core_context *ras_core,
                                        uint16_t index, uint64_t *mca_addr);
int ras_fw_set_timestamp(struct ras_core_context *ras_core,
                                 uint64_t timestamp);
int ras_fw_get_timestamp(struct ras_core_context *ras_core,
                                 uint16_t index, uint64_t *timestamp);
int ras_fw_get_badpage_ipid(struct ras_core_context *ras_core,
                                    uint16_t index, uint64_t *ipid);
int ras_fw_erase_ras_table(struct ras_core_context *ras_core,
                                   uint32_t *result);
int ras_fw_eeprom_reset_table(struct ras_core_context *ras_core);
bool ras_fw_eeprom_check_safety_watermark(struct ras_core_context *ras_core);
int ras_fw_eeprom_append(struct ras_core_context *ras_core,
                           struct eeprom_umc_record *record, const u32 num);
int ras_fw_eeprom_read_idx(struct ras_core_context *ras_core,
                         struct eeprom_umc_record *record_umc,
                         struct ras_bank_ecc *ras_ecc,
                         u32 rec_idx, const u32 num);
uint32_t ras_fw_eeprom_get_record_count(struct ras_core_context *ras_core);
int ras_fw_eeprom_update_record(struct ras_core_context *ras_core,
                                struct ras_bank_ecc *ras_ecc);
int ras_fw_eeprom_hw_init(struct ras_core_context *ras_core);
int ras_fw_eeprom_hw_fini(struct ras_core_context *ras_core);
int ras_fw_eeprom_check_storage_status(struct ras_core_context *ras_core);
enum ras_gpu_health_status
        ras_fw_eeprom_check_gpu_status(struct ras_core_context *ras_core);
void ras_fw_eeprom_sync_info(struct ras_core_context *ras_core);

#endif