2 * Copyright 2019 Advanced Micro Devices, Inc.
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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,
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9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
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24 #ifndef _AMDGPU_RAS_EEPROM_H
25 #define _AMDGPU_RAS_EEPROM_H
27 #include <linux/i2c.h>
31 enum amdgpu_ras_eeprom_err_type{
32 AMDGPU_RAS_EEPROM_ERR_PLACE_HOLDER,
33 AMDGPU_RAS_EEPROM_ERR_RECOVERABLE,
34 AMDGPU_RAS_EEPROM_ERR_NON_RECOVERABLE
37 struct amdgpu_ras_eeprom_table_header {
40 uint32_t first_rec_offset;
43 }__attribute__((__packed__));
45 struct amdgpu_ras_eeprom_control {
46 struct amdgpu_ras_eeprom_table_header tbl_hdr;
48 unsigned int num_recs;
49 struct mutex tbl_mutex;
50 uint32_t tbl_byte_sum;
51 uint16_t i2c_address; // 8-bit represented address
55 * Represents single table record. Packed to be easily serialized into byte
58 struct eeprom_table_record {
65 uint64_t retired_page;
68 enum amdgpu_ras_eeprom_err_type err_type;
75 unsigned char mem_channel;
76 unsigned char mcumc_id;
77 }__attribute__((__packed__));
79 int amdgpu_ras_eeprom_init(struct amdgpu_ras_eeprom_control *control);
80 int amdgpu_ras_eeprom_reset_table(struct amdgpu_ras_eeprom_control *control);
82 int amdgpu_ras_eeprom_process_recods(struct amdgpu_ras_eeprom_control *control,
83 struct eeprom_table_record *records,
87 void amdgpu_ras_eeprom_test(struct amdgpu_ras_eeprom_control *control);
89 #endif // _AMDGPU_RAS_EEPROM_H