1*a215bf01Scherry /****************************************************************************** 2*a215bf01Scherry * xen-compat.h 3*a215bf01Scherry * 4*a215bf01Scherry * Guest OS interface to Xen. Compatibility layer. 5*a215bf01Scherry * 6*a215bf01Scherry * Permission is hereby granted, free of charge, to any person obtaining a copy 7*a215bf01Scherry * of this software and associated documentation files (the "Software"), to 8*a215bf01Scherry * deal in the Software without restriction, including without limitation the 9*a215bf01Scherry * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 10*a215bf01Scherry * sell copies of the Software, and to permit persons to whom the Software is 11*a215bf01Scherry * furnished to do so, subject to the following conditions: 12*a215bf01Scherry * 13*a215bf01Scherry * The above copyright notice and this permission notice shall be included in 14*a215bf01Scherry * all copies or substantial portions of the Software. 15*a215bf01Scherry * 16*a215bf01Scherry * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17*a215bf01Scherry * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18*a215bf01Scherry * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 19*a215bf01Scherry * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20*a215bf01Scherry * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 21*a215bf01Scherry * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 22*a215bf01Scherry * DEALINGS IN THE SOFTWARE. 23*a215bf01Scherry * 24*a215bf01Scherry * Copyright (c) 2006, Christian Limpach 25*a215bf01Scherry */ 26*a215bf01Scherry 27*a215bf01Scherry #ifndef __XEN_PUBLIC_XEN_COMPAT_H__ 28*a215bf01Scherry #define __XEN_PUBLIC_XEN_COMPAT_H__ 29*a215bf01Scherry 30*a215bf01Scherry #define __XEN_LATEST_INTERFACE_VERSION__ 0x00040900 31*a215bf01Scherry 32*a215bf01Scherry #if defined(__XEN__) || defined(__XEN_TOOLS__) 33*a215bf01Scherry /* Xen is built with matching headers and implements the latest interface. */ 34*a215bf01Scherry #define __XEN_INTERFACE_VERSION__ __XEN_LATEST_INTERFACE_VERSION__ 35*a215bf01Scherry #elif !defined(__XEN_INTERFACE_VERSION__) 36*a215bf01Scherry /* Guests which do not specify a version get the legacy interface. */ 37*a215bf01Scherry #define __XEN_INTERFACE_VERSION__ 0x00000000 38*a215bf01Scherry #endif 39*a215bf01Scherry 40*a215bf01Scherry #if __XEN_INTERFACE_VERSION__ > __XEN_LATEST_INTERFACE_VERSION__ 41*a215bf01Scherry #error "These header files do not support the requested interface version." 42*a215bf01Scherry #endif 43*a215bf01Scherry 44*a215bf01Scherry #endif /* __XEN_PUBLIC_XEN_COMPAT_H__ */ 45