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- /* SPDX-License-Identifier: GPL-2.0-or-later */
- /*
- * Copyright (c) 2022, Linaro Limited
- */
- #if !defined _FWU_MDATA_H_
- #define _FWU_MDATA_H_
- #include <linux/compiler_attributes.h>
- #include <efi.h>
- /**
- * struct fwu_image_bank_info - firmware image information
- * @image_uuid: Guid value of the image in this bank
- * @accepted: Acceptance status of the image
- * @reserved: Reserved
- *
- * The structure contains image specific fields which are
- * used to identify the image and to specify the image's
- * acceptance status
- */
- struct fwu_image_bank_info {
- efi_guid_t image_uuid;
- uint32_t accepted;
- uint32_t reserved;
- } __packed;
- /**
- * struct fwu_image_entry - information for a particular type of image
- * @image_type_uuid: Guid value for identifying the image type
- * @location_uuid: Guid of the storage volume where the image is located
- * @img_bank_info: Array containing properties of images
- *
- * This structure contains information on various types of updatable
- * firmware images. Each image type then contains an array of image
- * information per bank.
- */
- struct fwu_image_entry {
- efi_guid_t image_type_uuid;
- efi_guid_t location_uuid;
- struct fwu_image_bank_info img_bank_info[CONFIG_FWU_NUM_BANKS];
- } __packed;
- /**
- * struct fwu_mdata - FWU metadata structure for multi-bank updates
- * @crc32: crc32 value for the FWU metadata
- * @version: FWU metadata version
- * @active_index: Index of the bank currently used for booting images
- * @previous_active_inde: Index of the bank used before the current bank
- * being used for booting
- * @img_entry: Array of information on various firmware images that can
- * be updated
- *
- * This structure is used to store all the needed information for performing
- * multi bank updates on the platform. This contains info on the bank being
- * used to boot along with the information needed for identification of
- * individual images
- */
- struct fwu_mdata {
- uint32_t crc32;
- uint32_t version;
- uint32_t active_index;
- uint32_t previous_active_index;
- struct fwu_image_entry img_entry[CONFIG_FWU_NUM_IMAGES_PER_BANK];
- } __packed;
- #endif /* _FWU_MDATA_H_ */
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