/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright 2025 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 __AMD_CPER_H__ #define __AMD_CPER_H__ #include #define CPER_HDR_REV_1 (0x100) #define CPER_SEC_MINOR_REV_1 (0x01) #define CPER_SEC_MAJOR_REV_22 (0x22) #define CPER_MAX_OAM_COUNT (8) #define CPER_CTX_TYPE_CRASH (1) #define CPER_CTX_TYPE_BOOT (9) #define CPER_CREATOR_ID_AMDGPU "amdgpu" #define CPER_NOTIFY_MCE \ GUID_INIT(0xE8F56FFE, 0x919C, 0x4cc5, 0xBA, 0x88, 0x65, 0xAB, \ 0xE1, 0x49, 0x13, 0xBB) #define CPER_NOTIFY_CMC \ GUID_INIT(0x2DCE8BB1, 0xBDD7, 0x450e, 0xB9, 0xAD, 0x9C, 0xF4, \ 0xEB, 0xD4, 0xF8, 0x90) #define BOOT_TYPE \ GUID_INIT(0x3D61A466, 0xAB40, 0x409a, 0xA6, 0x98, 0xF3, 0x62, \ 0xD4, 0x64, 0xB3, 0x8F) #define AMD_CRASHDUMP \ GUID_INIT(0x32AC0C78, 0x2623, 0x48F6, 0xB0, 0xD0, 0x73, 0x65, \ 0x72, 0x5F, 0xD6, 0xAE) #define AMD_GPU_NONSTANDARD_ERROR \ GUID_INIT(0x32AC0C78, 0x2623, 0x48F6, 0x81, 0xA2, 0xAC, 0x69, \ 0x17, 0x80, 0x55, 0x1D) #define PROC_ERR_SECTION_TYPE \ GUID_INIT(0xDC3EA0B0, 0xA144, 0x4797, 0xB9, 0x5B, 0x53, 0xFA, \ 0x24, 0x2B, 0x6E, 0x1D) enum cper_error_severity { CPER_SEV_NON_FATAL_UNCORRECTED = 0, CPER_SEV_FATAL = 1, CPER_SEV_NON_FATAL_CORRECTED = 2, CPER_SEV_NUM = 3, CPER_SEV_UNUSED = 10, }; enum cper_aca_reg { CPER_ACA_REG_CTL_LO = 0, CPER_ACA_REG_CTL_HI = 1, CPER_ACA_REG_STATUS_LO = 2, CPER_ACA_REG_STATUS_HI = 3, CPER_ACA_REG_ADDR_LO = 4, CPER_ACA_REG_ADDR_HI = 5, CPER_ACA_REG_MISC0_LO = 6, CPER_ACA_REG_MISC0_HI = 7, CPER_ACA_REG_CONFIG_LO = 8, CPER_ACA_REG_CONFIG_HI = 9, CPER_ACA_REG_IPID_LO = 10, CPER_ACA_REG_IPID_HI = 11, CPER_ACA_REG_SYND_LO = 12, CPER_ACA_REG_SYND_HI = 13, CPER_ACA_REG_COUNT = 32, }; #pragma pack(push, 1) struct cper_timestamp { uint8_t seconds; uint8_t minutes; uint8_t hours; uint8_t flag; uint8_t day; uint8_t month; uint8_t year; uint8_t century; }; struct cper_hdr { char signature[4]; /* "CPER" */ uint16_t revision; uint32_t signature_end; /* 0xFFFFFFFF */ uint16_t sec_cnt; enum cper_error_severity error_severity; union { struct { uint32_t platform_id : 1; uint32_t timestamp : 1; uint32_t partition_id : 1; uint32_t reserved : 29; } valid_bits; uint32_t valid_mask; }; uint32_t record_length; /* Total size of CPER Entry */ struct cper_timestamp timestamp; char platform_id[16]; guid_t partition_id; /* Reserved */ char creator_id[16]; guid_t notify_type; /* CMC, MCE */ char record_id[8]; /* Unique CPER Entry ID */ uint32_t flags; /* Reserved */ uint64_t persistence_info; /* Reserved */ uint8_t reserved[12]; /* Reserved */ }; struct cper_sec_desc { uint32_t sec_offset; /* Offset from the start of CPER entry */ uint32_t sec_length; uint8_t revision_minor; /* CPER_SEC_MINOR_REV_1 */ uint8_t revision_major; /* CPER_SEC_MAJOR_REV_22 */ union { struct { uint8_t fru_id : 1; uint8_t fru_text : 1; uint8_t reserved : 6; } valid_bits; uint8_t valid_mask; }; uint8_t reserved; union { struct { uint32_t primary : 1; uint32_t reserved1 : 2; uint32_t exceed_err_threshold : 1; uint32_t latent_err : 1; uint32_t reserved2 : 27; } flag_bits; uint32_t flag_mask; }; guid_t sec_type; char fru_id[16]; enum cper_error_severity severity; char fru_text[20]; }; struct cper_sec_nonstd_err_hdr { union { struct { uint64_t apic_id : 1; uint64_t fw_id : 1; uint64_t err_info_cnt : 6; uint64_t err_context_cnt : 6; } valid_bits; uint64_t valid_mask; }; uint64_t apic_id; char fw_id[48]; }; struct cper_sec_nonstd_err_info { guid_t error_type; union { struct { uint64_t ms_chk : 1; uint64_t target_addr_id : 1; uint64_t req_id : 1; uint64_t resp_id : 1; uint64_t instr_ptr : 1; uint64_t reserved : 59; } valid_bits; uint64_t valid_mask; }; union { struct { uint64_t err_type_valid : 1; uint64_t pcc_valid : 1; uint64_t uncorr_valid : 1; uint64_t precise_ip_valid : 1; uint64_t restartable_ip_valid : 1; uint64_t overflow_valid : 1; uint64_t reserved1 : 10; uint64_t err_type : 2; uint64_t pcc : 1; uint64_t uncorr : 1; uint64_t precised_ip : 1; uint64_t restartable_ip : 1; uint64_t overflow : 1; uint64_t reserved2 : 41; } ms_chk_bits; uint64_t ms_chk_mask; }; uint64_t target_addr_id; uint64_t req_id; uint64_t resp_id; uint64_t instr_ptr; }; struct cper_sec_nonstd_err_ctx { uint16_t reg_ctx_type; uint16_t reg_arr_size; uint32_t msr_addr; uint64_t mm_reg_addr; uint32_t reg_dump[CPER_ACA_REG_COUNT]; }; struct cper_sec_nonstd_err { struct cper_sec_nonstd_err_hdr hdr; struct cper_sec_nonstd_err_info info; struct cper_sec_nonstd_err_ctx ctx; }; struct cper_sec_crashdump_hdr { uint64_t reserved1; uint64_t reserved2; char fw_id[48]; uint64_t reserved3[8]; }; struct cper_sec_crashdump_reg_data { uint32_t status_lo; uint32_t status_hi; uint32_t addr_lo; uint32_t addr_hi; uint32_t ipid_lo; uint32_t ipid_hi; uint32_t synd_lo; uint32_t synd_hi; }; struct cper_sec_crashdump_body_fatal { uint16_t reg_ctx_type; uint16_t reg_arr_size; uint32_t reserved1; uint64_t reserved2; struct cper_sec_crashdump_reg_data data; }; struct cper_sec_crashdump_body_boot { uint16_t reg_ctx_type; uint16_t reg_arr_size; uint32_t reserved1; uint64_t reserved2; uint64_t msg[CPER_MAX_OAM_COUNT]; }; struct cper_sec_crashdump_fatal { struct cper_sec_crashdump_hdr hdr; struct cper_sec_crashdump_body_fatal body; }; struct cper_sec_crashdump_boot { struct cper_sec_crashdump_hdr hdr; struct cper_sec_crashdump_body_boot body; }; #pragma pack(pop) #endif