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Bjørn Mork3edce1c2013-03-17 21:00:06 +01001/*
2 * USB CDC Device Management userspace API definitions
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * version 2 as published by the Free Software Foundation.
7 */
8
9#ifndef _UAPI__LINUX_USB_CDC_WDM_H
10#define _UAPI__LINUX_USB_CDC_WDM_H
11
Greg Kroah-Hartman7ac37642014-05-27 16:32:10 -070012#include <linux/types.h>
13
Bjørn Mork3edce1c2013-03-17 21:00:06 +010014/*
15 * This IOCTL is used to retrieve the wMaxCommand for the device,
16 * defining the message limit for both reading and writing.
17 *
18 * For CDC WDM functions this will be the wMaxCommand field of the
19 * Device Management Functional Descriptor.
20 */
21#define IOCTL_WDM_MAX_COMMAND _IOR('H', 0xA0, __u16)
22
23#endif /* _UAPI__LINUX_USB_CDC_WDM_H */