LXR linux/include/uapi/linux/usb/cdc-wdm.h

   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#include <linux/types.h>
  13
  14/*
  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 */
  24