include/usb_mass_storage.h

   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         unsigned int start_sector;
  24         unsigned int num_sectors;
  25         const char *name;
  26         block_dev_desc_t *block_dev;
  27 };
  28
  29 extern struct ums *ums;
  30
  31 int fsg_init(struct ums *);
  32 void fsg_cleanup(void);
  33 int fsg_main_thread(void *);
  34 int fsg_add(struct usb_configuration *c);
  35 #endif /* __USB_MASS_STORAGE_H__ */