projects / u-boot.git / blame
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|---|---|---|
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1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| 2 | /* | |
| 3 | * Copyright (c) 2022, Linaro Limited | |
| 4 | */ | |
| 5 | ||
| 6 | #if !defined _FWU_MDATA_H_ | |
| 7 | #define _FWU_MDATA_H_ | |
| 8 | ||
| 2974e2cd | 9 | #include <linux/compiler_attributes.h> |
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10 | #include <efi.h> |
| 11 | ||
| 12 | /** | |
| 13 | * struct fwu_image_bank_info - firmware image information | |
| 14 | * @image_uuid: Guid value of the image in this bank | |
| 15 | * @accepted: Acceptance status of the image | |
| 16 | * @reserved: Reserved | |
| 17 | * | |
| 18 | * The structure contains image specific fields which are | |
| 19 | * used to identify the image and to specify the image's | |
| 20 | * acceptance status | |
| 21 | */ | |
| 22 | struct fwu_image_bank_info { | |
| 23 | efi_guid_t image_uuid; | |
| 24 | uint32_t accepted; | |
| 25 | uint32_t reserved; | |
| 2974e2cd | 26 | } __packed; |
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27 | |
| 28 | /** | |
| 29 | * struct fwu_image_entry - information for a particular type of image | |
| 30 | * @image_type_uuid: Guid value for identifying the image type | |
| 31 | * @location_uuid: Guid of the storage volume where the image is located | |
| 32 | * @img_bank_info: Array containing properties of images | |
| 33 | * | |
| 34 | * This structure contains information on various types of updatable | |
| 35 | * firmware images. Each image type then contains an array of image | |
| 36 | * information per bank. | |
| 37 | */ | |
| 38 | struct fwu_image_entry { | |
| 39 | efi_guid_t image_type_uuid; | |
| 40 | efi_guid_t location_uuid; | |
| 41 | struct fwu_image_bank_info img_bank_info[CONFIG_FWU_NUM_BANKS]; | |
| 2974e2cd | 42 | } __packed; |
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43 | |
| 44 | /** | |
| 45 | * struct fwu_mdata - FWU metadata structure for multi-bank updates | |
| 46 | * @crc32: crc32 value for the FWU metadata | |
| 47 | * @version: FWU metadata version | |
| 48 | * @active_index: Index of the bank currently used for booting images | |
| 49 | * @previous_active_inde: Index of the bank used before the current bank | |
| 50 | * being used for booting | |
| 51 | * @img_entry: Array of information on various firmware images that can | |
| 52 | * be updated | |
| 53 | * | |
| 54 | * This structure is used to store all the needed information for performing | |
| 55 | * multi bank updates on the platform. This contains info on the bank being | |
| 56 | * used to boot along with the information needed for identification of | |
| 57 | * individual images | |
| 58 | */ | |
| 59 | struct fwu_mdata { | |
| 60 | uint32_t crc32; | |
| 61 | uint32_t version; | |
| 62 | uint32_t active_index; | |
| 63 | uint32_t previous_active_index; | |
| 64 | ||
| 65 | struct fwu_image_entry img_entry[CONFIG_FWU_NUM_IMAGES_PER_BANK]; | |
| 2974e2cd | 66 | } __packed; |
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67 | |
| 68 | #endif /* _FWU_MDATA_H_ */ |