5c7dd7acc3
repo: https://github.com/T-head-Semi/linux commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
25 lines
754 B
C
25 lines
754 B
C
/* 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 */
|