u-boot/include/fwu_mdata.h

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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 <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;
};
/**
* 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];
};
/**
* 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];
};
#endif /* _FWU_MDATA_H_ */