u-boot/include/usb_mass_storage.h

/*
 * Copyright (C) 2011 Samsung Electrnoics
 * Lukasz Majewski <l.majewski@samsung.com>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#ifndef __USB_MASS_STORAGE_H__
#define __USB_MASS_STORAGE_H__

#define SECTOR_SIZE		0x200
#include <part.h>
#include <linux/usb/composite.h>

/* Wait at maximum 60 seconds for cable connection */
#define UMS_CABLE_READY_TIMEOUT	60

struct ums {
	int (*read_sector)(struct ums *ums_dev,
			   ulong start, lbaint_t blkcnt, void *buf);
	int (*write_sector)(struct ums *ums_dev,
			    ulong start, lbaint_t blkcnt, const void *buf);
	unsigned int start_sector;
	unsigned int num_sectors;
	const char *name;
	block_dev_desc_t *block_dev;
};

extern struct ums *ums;

int fsg_init(struct ums *);
void fsg_cleanup(void);
int fsg_main_thread(void *);
int fsg_add(struct usb_configuration *c);
#endif /* __USB_MASS_STORAGE_H__ */