/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* USB CDC Device Management userspace API definitions
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*/
#ifndef __LINUX_USB_CDC_WDM_H
#define __LINUX_USB_CDC_WDM_H
#include <linux/types.h>
/*
* This IOCTL is used to retrieve the wMaxCommand for the device,
* defining the message limit for both reading and writing.
*
* For CDC WDM functions this will be the wMaxCommand field of the
* Device Management Functional Descriptor.
*/
#define IOCTL_WDM_MAX_COMMAND _IOR('H', 0xA0, __u16)
#endif /* __LINUX_USB_CDC_WDM_H */
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