| 1 | /* |
| 2 | * Copyright (c) 2025 Intel Corporation |
| 3 | * Author: Isaku Yamahata <isaku.yamahata at gmail.com> |
| 4 | * <isaku.yamahata at intel.com> |
| 5 | * |
| 6 | * SPDX-License-Identifier: GPL-2.0-or-later |
| 7 | */ |
| 8 | |
| 9 | #ifndef HW_I386_TDVF_H |
| 10 | #define HW_I386_TDVF_H |
| 11 | |
| 12 | |
| 13 | #define TDVF_SECTION_TYPE_BFV 0 |
| 14 | #define TDVF_SECTION_TYPE_CFV 1 |
| 15 | #define TDVF_SECTION_TYPE_TD_HOB 2 |
| 16 | #define TDVF_SECTION_TYPE_TEMP_MEM 3 |
| 17 | |
| 18 | #define TDVF_SECTION_ATTRIBUTES_MR_EXTEND (1U << 0) |
| 19 | #define TDVF_SECTION_ATTRIBUTES_PAGE_AUG (1U << 1) |
| 20 | |
| 21 | typedef struct TdxFirmwareEntry { |
| 22 | uint32_t data_offset; |
| 23 | uint32_t data_len; |
| 24 | uint64_t address; |
| 25 | uint64_t size; |
| 26 | uint32_t type; |
| 27 | uint32_t attributes; |
| 28 | |
| 29 | void *mem_ptr; |
| 30 | } TdxFirmwareEntry; |
| 31 | |
| 32 | typedef struct TdxFirmware { |
| 33 | void *mem_ptr; |
| 34 | |
| 35 | uint32_t nr_entries; |
| 36 | TdxFirmwareEntry *entries; |
| 37 | } TdxFirmware; |
| 38 | |
| 39 | #define for_each_tdx_fw_entry(fw, e) \ |
| 40 | for (e = (fw)->entries; e != (fw)->entries + (fw)->nr_entries; e++) |
| 41 | |
| 42 | int tdvf_parse_metadata(TdxFirmware *fw, void *flash_ptr, int size); |
| 43 | |
| 44 | #endif /* HW_I386_TDVF_H */ |