[mirror_edk2.git] / OvmfPkg / Include / IndustryStandard / Xen / xen-compat.h

/******************************************************************************\r
 * xen-compat.h\r
 *\r
 * Guest OS interface to Xen.  Compatibility layer.\r
 *\r
 * SPDX-License-Identifier: MIT\r
 *\r
 * Copyright (c) 2006, Christian Limpach\r
 */\r
\r
#ifndef __XEN_PUBLIC_XEN_COMPAT_H__\r
#define __XEN_PUBLIC_XEN_COMPAT_H__\r
\r
#define __XEN_LATEST_INTERFACE_VERSION__  0x00040400\r
\r
#if defined (__XEN__) || defined (__XEN_TOOLS__)\r
/* Xen is built with matching headers and implements the latest interface. */\r
#define __XEN_INTERFACE_VERSION__  __XEN_LATEST_INTERFACE_VERSION__\r
#elif !defined (__XEN_INTERFACE_VERSION__)\r
/* Guests which do not specify a version get the legacy interface. */\r
#define __XEN_INTERFACE_VERSION__  0x00000000\r
#endif\r
\r
#if __XEN_INTERFACE_VERSION__ > __XEN_LATEST_INTERFACE_VERSION__\r
  #error "These header files do not support the requested interface version."\r
#endif\r
\r
#endif /* __XEN_PUBLIC_XEN_COMPAT_H__ */\r
Commit	Line	Data
6b621f95 AP	1	/******************************************************************************\r
6b621f95 AP	2	* xen-compat.h\r
4040754d	3	*\r
6b621f95	4	* Guest OS interface to Xen. Compatibility layer.\r
4040754d	5	*\r
6f21d772	6	* SPDX-License-Identifier: MIT\r
6b621f95 AP	7	*\r
	8	* Copyright (c) 2006, Christian Limpach\r
	9	*/\r
	10	\r
	11	#ifndef __XEN_PUBLIC_XEN_COMPAT_H__\r
	12	#define __XEN_PUBLIC_XEN_COMPAT_H__\r
	13	\r
ac0a286f	14	#define __XEN_LATEST_INTERFACE_VERSION__ 0x00040400\r
6b621f95	15	\r
ac0a286f	16	#if defined (__XEN__) \|\| defined (__XEN_TOOLS__)\r
6b621f95	17	/* Xen is built with matching headers and implements the latest interface. */\r
ac0a286f MK	18	#define __XEN_INTERFACE_VERSION__ __XEN_LATEST_INTERFACE_VERSION__\r
ac0a286f MK	19	#elif !defined (__XEN_INTERFACE_VERSION__)\r
6b621f95	20	/* Guests which do not specify a version get the legacy interface. */\r
ac0a286f	21	#define __XEN_INTERFACE_VERSION__ 0x00000000\r
6b621f95 AP	22	#endif\r
	23	\r
	24	#if __XEN_INTERFACE_VERSION__ > __XEN_LATEST_INTERFACE_VERSION__\r
ac0a286f	25	#error "These header files do not support the requested interface version."\r
6b621f95 AP	26	#endif\r
	27	\r
	28	#endif /* __XEN_PUBLIC_XEN_COMPAT_H__ */\r