2022-10-21 12:45:55 +00:00
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/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright (c) 2022, Linaro Limited
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*/
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#if !defined _FWU_MDATA_H_
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#define _FWU_MDATA_H_
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2023-06-12 08:09:15 +00:00
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#include <linux/compiler_attributes.h>
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2022-10-21 12:45:55 +00:00
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#include <efi.h>
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/**
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* struct fwu_image_bank_info - firmware image information
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* @image_uuid: Guid value of the image in this bank
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* @accepted: Acceptance status of the image
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* @reserved: Reserved
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*
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* The structure contains image specific fields which are
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* used to identify the image and to specify the image's
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* acceptance status
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*/
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struct fwu_image_bank_info {
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efi_guid_t image_uuid;
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uint32_t accepted;
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uint32_t reserved;
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2023-06-12 08:09:15 +00:00
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} __packed;
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2022-10-21 12:45:55 +00:00
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/**
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* struct fwu_image_entry - information for a particular type of image
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* @image_type_uuid: Guid value for identifying the image type
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* @location_uuid: Guid of the storage volume where the image is located
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* @img_bank_info: Array containing properties of images
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*
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* This structure contains information on various types of updatable
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* firmware images. Each image type then contains an array of image
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* information per bank.
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*/
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struct fwu_image_entry {
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efi_guid_t image_type_uuid;
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efi_guid_t location_uuid;
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struct fwu_image_bank_info img_bank_info[CONFIG_FWU_NUM_BANKS];
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} __packed;
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2022-10-21 12:45:55 +00:00
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/**
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* struct fwu_mdata - FWU metadata structure for multi-bank updates
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* @crc32: crc32 value for the FWU metadata
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* @version: FWU metadata version
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* @active_index: Index of the bank currently used for booting images
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* @previous_active_inde: Index of the bank used before the current bank
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* being used for booting
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* @img_entry: Array of information on various firmware images that can
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* be updated
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*
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* This structure is used to store all the needed information for performing
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* multi bank updates on the platform. This contains info on the bank being
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* used to boot along with the information needed for identification of
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* individual images
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*/
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struct fwu_mdata {
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uint32_t crc32;
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uint32_t version;
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uint32_t active_index;
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uint32_t previous_active_index;
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struct fwu_image_entry img_entry[CONFIG_FWU_NUM_IMAGES_PER_BANK];
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2023-06-12 08:09:15 +00:00
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} __packed;
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2022-10-21 12:45:55 +00:00
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#endif /* _FWU_MDATA_H_ */
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