diff options
Diffstat (limited to 'include/linux/usb/f_mtp.h')
-rw-r--r-- | include/linux/usb/f_mtp.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/include/linux/usb/f_mtp.h b/include/linux/usb/f_mtp.h new file mode 100644 index 00000000..72a432e2 --- /dev/null +++ b/include/linux/usb/f_mtp.h @@ -0,0 +1,75 @@ +/* + * Gadget Function Driver for MTP + * + * Copyright (C) 2010 Google, Inc. + * Author: Mike Lockwood <lockwood@android.com> + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#ifndef __LINUX_USB_F_MTP_H +#define __LINUX_USB_F_MTP_H + +#include <linux/ioctl.h> + +#ifdef __KERNEL__ + +struct mtp_data_header { + /* length of packet, including this header */ + uint32_t length; + /* container type (2 for data packet) */ + uint16_t type; + /* MTP command code */ + uint16_t command; + /* MTP transaction ID */ + uint32_t transaction_id; +}; + +#endif /* __KERNEL__ */ + +struct mtp_file_range { + /* file descriptor for file to transfer */ + int fd; + /* offset in file for start of transfer */ + loff_t offset; + /* number of bytes to transfer */ + int64_t length; + /* MTP command ID for data header, + * used only for MTP_SEND_FILE_WITH_HEADER + */ + uint16_t command; + /* MTP transaction ID for data header, + * used only for MTP_SEND_FILE_WITH_HEADER + */ + uint32_t transaction_id; +}; + +struct mtp_event { + /* size of the event */ + size_t length; + /* event data to send */ + void *data; +}; + +/* Sends the specified file range to the host */ +#define MTP_SEND_FILE _IOW('M', 0, struct mtp_file_range) +/* Receives data from the host and writes it to a file. + * The file is created if it does not exist. + */ +#define MTP_RECEIVE_FILE _IOW('M', 1, struct mtp_file_range) +/* Sends an event to the host via the interrupt endpoint */ +#define MTP_SEND_EVENT _IOW('M', 3, struct mtp_event) +/* Sends the specified file range to the host, + * with a 12 byte MTP data packet header at the beginning. + */ +#define MTP_SEND_FILE_WITH_HEADER _IOW('M', 4, struct mtp_file_range) + +#endif /* __LINUX_USB_F_MTP_H */ |