mirror of https://github.com/wolfSSL/wolfBoot.git
78 lines
2.3 KiB
C
78 lines
2.3 KiB
C
/* disk.h
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*
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* Copyright (C) 2026 wolfSSL Inc.
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*
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* This file is part of wolfBoot.
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*
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* wolfBoot is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* wolfBoot is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
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*/
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#ifndef _WOLFBOOT_DISK_H
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#define _WOLFBOOT_DISK_H
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#include <stdint.h>
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#include "gpt.h"
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/* cap DISK I/O read/write operation to a reasonable size */
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#define DISK_IO_MAX_SIZE 0x7FFFFFFFUL
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#ifndef MAX_PARTITIONS
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#define MAX_PARTITIONS 16
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#endif
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#ifndef MAX_DISKS
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#define MAX_DISKS 4
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#endif
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/**
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* @brief This structure holds information about a disk partition, including
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* the drive it belongs to, partition number, start, and end offsets.
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*/
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struct disk_partition {
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int drv;
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int part_no;
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uint64_t start;
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uint64_t end;
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uint16_t name[GPT_PART_NAME_SIZE];
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};
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/**
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* @brief This structure holds information about a disk drive, including its
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* drive number, open status, the number of partitions, and an array of disk
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* partitions.
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*/
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struct disk_drive {
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int drv;
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int is_open;
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int n_parts;
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struct disk_partition part[MAX_PARTITIONS];
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};
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/* user supplied functions */
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int disk_init(int drv);
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int disk_read(int drv, uint64_t start, uint32_t count, uint8_t *buf);
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int disk_write(int drv, uint64_t start, uint32_t count, const uint8_t *buf);
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void disk_close(int drv);
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/* standard functions */
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int disk_open(int drv);
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int disk_part_read(int drv, int part, uint64_t off, uint64_t sz, uint8_t *buf);
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int disk_part_write(int drv, int part, uint64_t off, uint64_t sz, const uint8_t *buf);
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int disk_find_partition_by_label(int drv, const char *label);
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int disk_part_size(int drv, int part, uint64_t *size);
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int disk_part_count(int drv);
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#endif /* _WOLFBOOT_DISK_H */
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