|  | /****************************************************************************** | 
|  | * evtchn.h | 
|  | * | 
|  | * Interface to /dev/xen/xenbus_backend. | 
|  | * | 
|  | * Copyright (c) 2011 Bastian Blank <waldi@debian.org> | 
|  | * | 
|  | * 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; or, when distributed | 
|  | * separately from the Linux kernel or incorporated into other | 
|  | * software packages, subject to the following license: | 
|  | * | 
|  | * Permission is hereby granted, free of charge, to any person obtaining a copy | 
|  | * of this source file (the "Software"), to deal in the Software without | 
|  | * restriction, including without limitation the rights to use, copy, modify, | 
|  | * merge, publish, distribute, sublicense, and/or sell copies of the Software, | 
|  | * and to permit persons to whom the Software is furnished to do so, subject to | 
|  | * the following conditions: | 
|  | * | 
|  | * The above copyright notice and this permission notice shall be included in | 
|  | * all copies or substantial portions of the Software. | 
|  | * | 
|  | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | 
|  | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | 
|  | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | 
|  | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | 
|  | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | 
|  | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS | 
|  | * IN THE SOFTWARE. | 
|  | */ | 
|  |  | 
|  | #ifndef __LINUX_XEN_XENBUS_DEV_H__ | 
|  | #define __LINUX_XEN_XENBUS_DEV_H__ | 
|  |  | 
|  | #include <linux/ioctl.h> | 
|  |  | 
|  | #define IOCTL_XENBUS_BACKEND_EVTCHN			\ | 
|  | _IOC(_IOC_NONE, 'B', 0, 0) | 
|  |  | 
|  | #define IOCTL_XENBUS_BACKEND_SETUP			\ | 
|  | _IOC(_IOC_NONE, 'B', 1, 0) | 
|  |  | 
|  | #endif /* __LINUX_XEN_XENBUS_DEV_H__ */ |