| /* 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 */ |
