1843e1988Sjohnlev /****************************************************************************** 2843e1988Sjohnlev * xen-compat.h 3843e1988Sjohnlev * 4843e1988Sjohnlev * Guest OS interface to Xen. Compatibility layer. 5843e1988Sjohnlev * 6843e1988Sjohnlev * Permission is hereby granted, free of charge, to any person obtaining a copy 7843e1988Sjohnlev * of this software and associated documentation files (the "Software"), to 8843e1988Sjohnlev * deal in the Software without restriction, including without limitation the 9843e1988Sjohnlev * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 10843e1988Sjohnlev * sell copies of the Software, and to permit persons to whom the Software is 11843e1988Sjohnlev * furnished to do so, subject to the following conditions: 12843e1988Sjohnlev * 13843e1988Sjohnlev * The above copyright notice and this permission notice shall be included in 14843e1988Sjohnlev * all copies or substantial portions of the Software. 15843e1988Sjohnlev * 16843e1988Sjohnlev * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17843e1988Sjohnlev * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18843e1988Sjohnlev * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 19843e1988Sjohnlev * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20843e1988Sjohnlev * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 21843e1988Sjohnlev * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 22843e1988Sjohnlev * DEALINGS IN THE SOFTWARE. 23843e1988Sjohnlev * 24843e1988Sjohnlev * Copyright (c) 2006, Christian Limpach 25843e1988Sjohnlev */ 26843e1988Sjohnlev 27843e1988Sjohnlev #ifndef __XEN_PUBLIC_XEN_COMPAT_H__ 28843e1988Sjohnlev #define __XEN_PUBLIC_XEN_COMPAT_H__ 29843e1988Sjohnlev 30*349b53ddSStuart Maybee #define __XEN_LATEST_INTERFACE_VERSION__ 0x00030209 31843e1988Sjohnlev 32843e1988Sjohnlev #if defined(__XEN__) || defined(__XEN_TOOLS__) 33843e1988Sjohnlev /* Xen is built with matching headers and implements the latest interface. */ 34843e1988Sjohnlev #define __XEN_INTERFACE_VERSION__ __XEN_LATEST_INTERFACE_VERSION__ 35843e1988Sjohnlev #elif !defined(__XEN_INTERFACE_VERSION__) 36843e1988Sjohnlev /* Guests which do not specify a version get the legacy interface. */ 37843e1988Sjohnlev #define __XEN_INTERFACE_VERSION__ 0x00000000 38843e1988Sjohnlev #endif 39843e1988Sjohnlev 40843e1988Sjohnlev #if __XEN_INTERFACE_VERSION__ > __XEN_LATEST_INTERFACE_VERSION__ 41843e1988Sjohnlev #error "These header files do not support the requested interface version." 42843e1988Sjohnlev #endif 43843e1988Sjohnlev 44843e1988Sjohnlev #endif /* __XEN_PUBLIC_XEN_COMPAT_H__ */ 45