xref: /linux/include/uapi/linux/usb/cdc-wdm.h (revision 498495dba268b20e8eadd7fe93c140c68b6cc9d2)
1*e2be04c7SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
23edce1cfSBjørn Mork /*
33edce1cfSBjørn Mork  * USB CDC Device Management userspace API definitions
43edce1cfSBjørn Mork  *
53edce1cfSBjørn Mork  * This program is free software; you can redistribute it and/or
63edce1cfSBjørn Mork  * modify it under the terms of the GNU General Public License
73edce1cfSBjørn Mork  * version 2 as published by the Free Software Foundation.
83edce1cfSBjørn Mork  */
93edce1cfSBjørn Mork 
103edce1cfSBjørn Mork #ifndef _UAPI__LINUX_USB_CDC_WDM_H
113edce1cfSBjørn Mork #define _UAPI__LINUX_USB_CDC_WDM_H
123edce1cfSBjørn Mork 
137ac3764fSGreg Kroah-Hartman #include <linux/types.h>
147ac3764fSGreg Kroah-Hartman 
153edce1cfSBjørn Mork /*
163edce1cfSBjørn Mork  * This IOCTL is used to retrieve the wMaxCommand for the device,
173edce1cfSBjørn Mork  * defining the message limit for both reading and writing.
183edce1cfSBjørn Mork  *
193edce1cfSBjørn Mork  * For CDC WDM functions this will be the wMaxCommand field of the
203edce1cfSBjørn Mork  * Device Management Functional Descriptor.
213edce1cfSBjørn Mork  */
223edce1cfSBjørn Mork #define IOCTL_WDM_MAX_COMMAND _IOR('H', 0xA0, __u16)
233edce1cfSBjørn Mork 
243edce1cfSBjørn Mork #endif /* _UAPI__LINUX_USB_CDC_WDM_H */
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