| 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 | #endif /* __XEN_PUBLIC_XEN_COMPAT_H__ */ |