iPXE
xen-compat.h
Go to the documentation of this file.
1 /******************************************************************************
2  * xen-compat.h
3  *
4  * Guest OS interface to Xen. Compatibility layer.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a copy
7  * of this software and associated documentation files (the "Software"), to
8  * deal in the Software without restriction, including without limitation the
9  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
10  * sell copies of the Software, and to permit persons to whom the Software is
11  * furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22  * DEALINGS IN THE SOFTWARE.
23  *
24  * Copyright (c) 2006, Christian Limpach
25  */
26 
27 #ifndef __XEN_PUBLIC_XEN_COMPAT_H__
28 #define __XEN_PUBLIC_XEN_COMPAT_H__
29 
30 FILE_LICENCE ( MIT );
31 
32 #define __XEN_LATEST_INTERFACE_VERSION__ 0x00040400
33 
34 #if defined(__XEN__) || defined(__XEN_TOOLS__)
35 /* Xen is built with matching headers and implements the latest interface. */
36 #define __XEN_INTERFACE_VERSION__ __XEN_LATEST_INTERFACE_VERSION__
37 #elif !defined(__XEN_INTERFACE_VERSION__)
38 /* Guests which do not specify a version get the legacy interface. */
39 #define __XEN_INTERFACE_VERSION__ 0x00000000
40 #endif
41 
42 #if __XEN_INTERFACE_VERSION__ > __XEN_LATEST_INTERFACE_VERSION__
43 #error "These header files do not support the requested interface version."
44 #endif
45 
46 #endif /* __XEN_PUBLIC_XEN_COMPAT_H__ */
FILE_LICENCE(MIT)