[mirror_ubuntu-eoan-kernel.git] / include / uapi / linux / usb / cdc-wdm.h

/* 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 _UAPI__LINUX_USB_CDC_WDM_H
#define _UAPI__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 /* _UAPI__LINUX_USB_CDC_WDM_H */
Commit	Line	Data
e2be04c7	1	/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
3edce1cf BM	2	/*
	3	* USB CDC Device Management userspace API definitions
	4	*
	5	* This program is free software; you can redistribute it and/or
	6	* modify it under the terms of the GNU General Public License
	7	* version 2 as published by the Free Software Foundation.
	8	*/
	9
	10	#ifndef _UAPI__LINUX_USB_CDC_WDM_H
	11	#define _UAPI__LINUX_USB_CDC_WDM_H
	12
7ac3764f GKH	13	#include <linux/types.h>
7ac3764f GKH	14
3edce1cf BM	15	/*
	16	* This IOCTL is used to retrieve the wMaxCommand for the device,
	17	* defining the message limit for both reading and writing.
	18	*
	19	* For CDC WDM functions this will be the wMaxCommand field of the
	20	* Device Management Functional Descriptor.
	21	*/
	22	#define IOCTL_WDM_MAX_COMMAND _IOR('H', 0xA0, __u16)
	23
	24	#endif /* _UAPI__LINUX_USB_CDC_WDM_H */