1*5084Sjohnlev /****************************************************************************** 2*5084Sjohnlev * xen-compat.h 3*5084Sjohnlev * 4*5084Sjohnlev * Guest OS interface to Xen. Compatibility layer. 5*5084Sjohnlev * 6*5084Sjohnlev * Permission is hereby granted, free of charge, to any person obtaining a copy 7*5084Sjohnlev * of this software and associated documentation files (the "Software"), to 8*5084Sjohnlev * deal in the Software without restriction, including without limitation the 9*5084Sjohnlev * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 10*5084Sjohnlev * sell copies of the Software, and to permit persons to whom the Software is 11*5084Sjohnlev * furnished to do so, subject to the following conditions: 12*5084Sjohnlev * 13*5084Sjohnlev * The above copyright notice and this permission notice shall be included in 14*5084Sjohnlev * all copies or substantial portions of the Software. 15*5084Sjohnlev * 16*5084Sjohnlev * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17*5084Sjohnlev * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18*5084Sjohnlev * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 19*5084Sjohnlev * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20*5084Sjohnlev * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 21*5084Sjohnlev * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 22*5084Sjohnlev * DEALINGS IN THE SOFTWARE. 23*5084Sjohnlev * 24*5084Sjohnlev * Copyright (c) 2006, Christian Limpach 25*5084Sjohnlev */ 26*5084Sjohnlev 27*5084Sjohnlev #ifndef __XEN_PUBLIC_XEN_COMPAT_H__ 28*5084Sjohnlev #define __XEN_PUBLIC_XEN_COMPAT_H__ 29*5084Sjohnlev 30*5084Sjohnlev #define __XEN_LATEST_INTERFACE_VERSION__ 0x00030205 31*5084Sjohnlev 32*5084Sjohnlev #if defined(__XEN__) || defined(__XEN_TOOLS__) 33*5084Sjohnlev /* Xen is built with matching headers and implements the latest interface. */ 34*5084Sjohnlev #define __XEN_INTERFACE_VERSION__ __XEN_LATEST_INTERFACE_VERSION__ 35*5084Sjohnlev #elif !defined(__XEN_INTERFACE_VERSION__) 36*5084Sjohnlev /* Guests which do not specify a version get the legacy interface. */ 37*5084Sjohnlev #define __XEN_INTERFACE_VERSION__ 0x00000000 38*5084Sjohnlev #endif 39*5084Sjohnlev 40*5084Sjohnlev #if __XEN_INTERFACE_VERSION__ > __XEN_LATEST_INTERFACE_VERSION__ 41*5084Sjohnlev #error "These header files do not support the requested interface version." 42*5084Sjohnlev #endif 43*5084Sjohnlev 44*5084Sjohnlev /* Fields defined as a Xen guest handle since 0x00030205. */ 45*5084Sjohnlev #if __XEN_INTERFACE_VERSION__ >= 0x00030205 46*5084Sjohnlev #define XEN_GUEST_HANDLE_00030205(type) XEN_GUEST_HANDLE(type) 47*5084Sjohnlev #else 48*5084Sjohnlev #define XEN_GUEST_HANDLE_00030205(type) type * 49*5084Sjohnlev #endif 50*5084Sjohnlev 51*5084Sjohnlev #endif /* __XEN_PUBLIC_XEN_COMPAT_H__ */ 52