disk.h

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/*
 * Copyright (c) 2016 Intel Corporation.
 * Copyright (c) 2021 Nordic Semiconductor ASA
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_INCLUDE_DRIVERS_DISK_H_
#define ZEPHYR_INCLUDE_DRIVERS_DISK_H_
 
#include <zephyr/kernel.h>
#include <zephyr/types.h>
#include <zephyr/sys/dlist.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define DISK_IOCTL_GET_SECTOR_COUNT 1
#define DISK_IOCTL_GET_SECTOR_SIZE 2
#define DISK_IOCTL_RESERVED 3
#define DISK_IOCTL_GET_ERASE_BLOCK_SZ 4
#define DISK_IOCTL_CTRL_SYNC 5
 
#define DISK_STATUS_OK 0x00
#define DISK_STATUS_UNINIT 0x01
#define DISK_STATUS_NOMEDIA 0x02
#define DISK_STATUS_WR_PROTECT 0x04
 
struct disk_operations;
 
struct disk_info {
 sys_dnode_t node;
 const char *name;
 const struct disk_operations *ops;
 const struct device *dev;
};
 
struct disk_operations {
 int (*init)(struct disk_info *disk);
 int (*status)(struct disk_info *disk);
 int (*read)(struct disk_info *disk, uint8_t *data_buf,
 uint32_t start_sector, uint32_t num_sector);
 int (*write)(struct disk_info *disk, const uint8_t *data_buf,
 uint32_t start_sector, uint32_t num_sector);
 int (*ioctl)(struct disk_info *disk, uint8_t cmd, void *buff);
};
 
int disk_access_register(struct disk_info *disk);
 
int disk_access_unregister(struct disk_info *disk);
 
#ifdef __cplusplus
}
#endif
 
#endif /* ZEPHYR_INCLUDE_DRIVERS_DISK_H_ */