xref: /titanic_44/usr/src/uts/common/xen/public/xen-compat.h (revision 349b53dd4e695e3d833b5380540385145b2d3ae8)
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