1 /* SPDX-License-Identifier: MIT */ 2 /****************************************************************************** 3 * xen-compat.h 4 * 5 * Guest OS interface to Xen. Compatibility layer. 6 * 7 * Copyright (c) 2006, Christian Limpach 8 */ 9 10 #ifndef __XEN_PUBLIC_XEN_COMPAT_H__ 11 #define __XEN_PUBLIC_XEN_COMPAT_H__ 12 13 #define __XEN_LATEST_INTERFACE_VERSION__ 0x00040e00 14 15 #if defined(__XEN__) || defined(__XEN_TOOLS__) 16 /* Xen is built with matching headers and implements the latest interface. */ 17 #define __XEN_INTERFACE_VERSION__ __XEN_LATEST_INTERFACE_VERSION__ 18 #elif !defined(__XEN_INTERFACE_VERSION__) 19 /* Guests which do not specify a version get the legacy interface. */ 20 #define __XEN_INTERFACE_VERSION__ 0x00000000 21 #endif 22 23 #if __XEN_INTERFACE_VERSION__ > __XEN_LATEST_INTERFACE_VERSION__ 24 #error "These header files do not support the requested interface version." 25 #endif 26 27 #define COMPAT_FLEX_ARRAY_DIM XEN_FLEX_ARRAY_DIM 28 29 #endif /* __XEN_PUBLIC_XEN_COMPAT_H__ */ 30