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 /* 13 * This IOCTL is used to retrieve the wMaxCommand for the device, 14 * defining the message limit for both reading and writing. 15 * 16 * For CDC WDM functions this will be the wMaxCommand field of the 17 * Device Management Functional Descriptor. 18 */ 19 #define IOCTL_WDM_MAX_COMMAND _IOR('H', 0xA0, __u16) 20 21 #endif /* _UAPI__LINUX_USB_CDC_WDM_H */ 22
