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/******************************************************************************
* xen-compat.h
*
* Guest OS interface to Xen. Compatibility layer.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (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.
*
* Copyright (c) 2006, Christian Limpach
*/
#ifndef __XEN_PUBLIC_XEN_COMPAT_H__
#define __XEN_PUBLIC_XEN_COMPAT_H__
#define __XEN_LATEST_INTERFACE_VERSION__ 0x00040400
#if defined(__XEN__) || defined(__XEN_TOOLS__)
/* Xen is built with matching headers and implements the latest interface. */
#define __XEN_INTERFACE_VERSION__ __XEN_LATEST_INTERFACE_VERSION__
#elif !defined(__XEN_INTERFACE_VERSION__)
/* Guests which do not specify a version get the legacy interface. */
#define __XEN_INTERFACE_VERSION__ 0x00000000
#endif
#if __XEN_INTERFACE_VERSION__ > __XEN_LATEST_INTERFACE_VERSION__
#error "These header files do not support the requested interface version."
#endif
#endif /* __XEN_PUBLIC_XEN_COMPAT_H__ */
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