1/*
2 * Gadget Function Driver for MTP
3 *
4 * Copyright (C) 2010 Google, Inc.
5 * Author: Mike Lockwood <lockwood@android.com>
6 *
7 * This software is licensed under the terms of the GNU General Public
8 * License version 2, as published by the Free Software Foundation, and
9 * may be copied, distributed, and modified under those terms.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 * GNU General Public License for more details.
15 *
16 */
17
18#ifndef _UAPI_LINUX_USB_F_MTP_H
19#define _UAPI_LINUX_USB_F_MTP_H
20
21#include <linux/ioctl.h>
22#include <linux/types.h>
23
24struct mtp_file_range {
25	/* file descriptor for file to transfer */
26	int			fd;
27	/* offset in file for start of transfer */
28	loff_t		offset;
29	/* number of bytes to transfer */
30	int64_t		length;
31	/* MTP command ID for data header,
32	 * used only for MTP_SEND_FILE_WITH_HEADER
33	 */
34	uint16_t	command;
35	/* MTP transaction ID for data header,
36	 * used only for MTP_SEND_FILE_WITH_HEADER
37	 */
38	uint32_t	transaction_id;
39};
40
41struct mtp_event {
42	/* size of the event */
43	size_t		length;
44	/* event data to send */
45	void		*data;
46};
47
48/* Sends the specified file range to the host */
49#define MTP_SEND_FILE              _IOW('M', 0, struct mtp_file_range)
50/* Receives data from the host and writes it to a file.
51 * The file is created if it does not exist.
52 */
53#define MTP_RECEIVE_FILE           _IOW('M', 1, struct mtp_file_range)
54/* Sends an event to the host via the interrupt endpoint */
55#define MTP_SEND_EVENT             _IOW('M', 3, struct mtp_event)
56/* Sends the specified file range to the host,
57 * with a 12 byte MTP data packet header at the beginning.
58 */
59#define MTP_SEND_FILE_WITH_HEADER  _IOW('M', 4, struct mtp_file_range)
60
61#endif /* _UAPI_LINUX_USB_F_MTP_H */
62