cdc-wdm.h revision 224b54f69543a5c0ec18f99bd717d2b724582eb6 
1/*
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
12/*
13 * This IOCTL is used to retrieve the wMaxCommand for the device,
14 * defining the message limit for both reading and writing.
15 *
16 * For CDC WDM functions this will be the wMaxCommand field of the
17 * Device Management Functional Descriptor.
18 */
19#define IOCTL_WDM_MAX_COMMAND _IOR('H', 0xA0, __u16)
20
21#endif /* _UAPI__LINUX_USB_CDC_WDM_H */
22