1 /******************************************************************************
2  * evtchn.h
3  *
4  * Interface to /dev/xen/xenbus_backend.
5  *
6  * Copyright (c) 2011 Bastian Blank <waldi@debian.org>
7  *
8  * This program is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU General Public License version 2
10  * as published by the Free Software Foundation; or, when distributed
11  * separately from the Linux kernel or incorporated into other
12  * software packages, subject to the following license:
13  *
14  * Permission is hereby granted, free of charge, to any person obtaining a copy
15  * of this source file (the "Software"), to deal in the Software without
16  * restriction, including without limitation the rights to use, copy, modify,
17  * merge, publish, distribute, sublicense, and/or sell copies of the Software,
18  * and to permit persons to whom the Software is furnished to do so, subject to
19  * the following conditions:
20  *
21  * The above copyright notice and this permission notice shall be included in
22  * all copies or substantial portions of the Software.
23  *
24  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
25  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
26  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
27  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
28  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
29  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
30  * IN THE SOFTWARE.
31  */
32 
33 #ifndef __LINUX_XEN_XENBUS_DEV_H__
34 #define __LINUX_XEN_XENBUS_DEV_H__
35 
36 #include <linux/ioctl.h>
37 
38 #define IOCTL_XENBUS_BACKEND_EVTCHN			\
39 	_IOC(_IOC_NONE, 'B', 0, 0)
40 
41 #define IOCTL_XENBUS_BACKEND_SETUP			\
42 	_IOC(_IOC_NONE, 'B', 1, 0)
43 
44 #endif /* __LINUX_XEN_XENBUS_DEV_H__ */
45