1 /* 2 * Copyright (C) 2011 Samsung Electrnoics 3 * Lukasz Majewski <l.majewski@samsung.com> 4 * 5 * SPDX-License-Identifier: GPL-2.0+ 6 */ 7 8 #ifndef __USB_MASS_STORAGE_H__ 9 #define __USB_MASS_STORAGE_H__ 10 11 #define SECTOR_SIZE 0x200 12 #include <part.h> 13 #include <linux/usb/composite.h> 14 15 /* Wait at maximum 60 seconds for cable connection */ 16 #define UMS_CABLE_READY_TIMEOUT 60 17 18 struct ums { 19 int (*read_sector)(struct ums *ums_dev, 20 ulong start, lbaint_t blkcnt, void *buf); 21 int (*write_sector)(struct ums *ums_dev, 22 ulong start, lbaint_t blkcnt, const void *buf); 23 #ifdef CONFIG_CMD_ROCKUSB 24 int (*erase_sector)(struct ums *ums_dev, ulong start, lbaint_t blkcnt); 25 #endif 26 unsigned int start_sector; 27 unsigned int num_sectors; 28 const char *name; 29 struct blk_desc block_dev; 30 }; 31 32 int fsg_init(struct ums *ums_devs, int count); 33 void fsg_cleanup(void); 34 int fsg_main_thread(void *); 35 int fsg_add(struct usb_configuration *c); 36 #endif /* __USB_MASS_STORAGE_H__ */ 37