1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * Copyright (C) 2011 Samsung Electrnoics 4 * Lukasz Majewski <l.majewski@samsung.com> 5 */ 6 7 #ifndef __USB_MASS_STORAGE_H__ 8 #define __USB_MASS_STORAGE_H__ 9 10 #define SECTOR_SIZE 0x200 11 #include <part.h> 12 #include <linux/usb/composite.h> 13 14 /* Wait at maximum 60 seconds for cable connection */ 15 #define UMS_CABLE_READY_TIMEOUT 60 16 17 struct ums { 18 int (*read_sector)(struct ums *ums_dev, 19 ulong start, lbaint_t blkcnt, void *buf); 20 int (*write_sector)(struct ums *ums_dev, 21 ulong start, lbaint_t blkcnt, const void *buf); 22 unsigned int start_sector; 23 unsigned int num_sectors; 24 const char *name; 25 struct blk_desc block_dev; 26 }; 27 28 int fsg_init(struct ums *ums_devs, int count, unsigned int controller_idx); 29 void fsg_cleanup(void); 30 int fsg_main_thread(void *); 31 int fsg_add(struct usb_configuration *c); 32 #endif /* __USB_MASS_STORAGE_H__ */ 33