usb_mass_storage.h 878 B

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