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      1  1.1  cherry /******************************************************************************
      2  1.1  cherry  * xen-compat.h
      3  1.1  cherry  *
      4  1.1  cherry  * Guest OS interface to Xen.  Compatibility layer.
      5  1.1  cherry  *
      6  1.1  cherry  * Permission is hereby granted, free of charge, to any person obtaining a copy
      7  1.1  cherry  * of this software and associated documentation files (the "Software"), to
      8  1.1  cherry  * deal in the Software without restriction, including without limitation the
      9  1.1  cherry  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
     10  1.1  cherry  * sell copies of the Software, and to permit persons to whom the Software is
     11  1.1  cherry  * furnished to do so, subject to the following conditions:
     12  1.1  cherry  *
     13  1.1  cherry  * The above copyright notice and this permission notice shall be included in
     14  1.1  cherry  * all copies or substantial portions of the Software.
     15  1.1  cherry  *
     16  1.1  cherry  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     17  1.1  cherry  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     18  1.1  cherry  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
     19  1.1  cherry  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     20  1.1  cherry  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     21  1.1  cherry  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
     22  1.1  cherry  * DEALINGS IN THE SOFTWARE.
     23  1.1  cherry  *
     24  1.1  cherry  * Copyright (c) 2006, Christian Limpach
     25  1.1  cherry  */
     26  1.1  cherry 
     27  1.1  cherry #ifndef __XEN_PUBLIC_XEN_COMPAT_H__
     28  1.1  cherry #define __XEN_PUBLIC_XEN_COMPAT_H__
     29  1.1  cherry 
     30  1.1  cherry #define __XEN_LATEST_INTERFACE_VERSION__ 0x00040900
     31  1.1  cherry 
     32  1.1  cherry #if defined(__XEN__) || defined(__XEN_TOOLS__)
     33  1.1  cherry /* Xen is built with matching headers and implements the latest interface. */
     34  1.1  cherry #define __XEN_INTERFACE_VERSION__ __XEN_LATEST_INTERFACE_VERSION__
     35  1.1  cherry #elif !defined(__XEN_INTERFACE_VERSION__)
     36  1.1  cherry /* Guests which do not specify a version get the legacy interface. */
     37  1.1  cherry #define __XEN_INTERFACE_VERSION__ 0x00000000
     38  1.1  cherry #endif
     39  1.1  cherry 
     40  1.1  cherry #if __XEN_INTERFACE_VERSION__ > __XEN_LATEST_INTERFACE_VERSION__
     41  1.1  cherry #error "These header files do not support the requested interface version."
     42  1.1  cherry #endif
     43  1.1  cherry 
     44  1.1  cherry #endif /* __XEN_PUBLIC_XEN_COMPAT_H__ */
     45