OvmfPkg/Include/Guid: Add XenInfo GUID

XenInfo HOB is used to pass XenInfo from PEI to DXE.

Signed-off-by: Andrei Warkentin <andreiw@motorola.com>
Reviewed-by: gavinguan
Reviewed-by: jljusten

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12059 6f19259b-4bc3-4df7-8a09-765794883524

OvmfPkg/Include/Guid/XenInfo.h

@@ -0,0 +1,42 @@
+/** @file
+  XenInfo HOB passed by PEI into DXE.
+
+Copyright (c) 2011, Andrei Warkentin <andreiw@motorola.com>
+This program and the accompanying materials are licensed and made available under
+the terms and conditions of the BSD License that accompanies this distribution.
+The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php.
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#ifndef __XEN_INFO_H__
+#define __XEN_INFO_H__
+
+#define EFI_XEN_INFO_GUID \
+    { 0xd3b46f3b, 0xd441, 0x1244, {0x9a, 0x12, 0x0, 0x12, 0x27, 0x3f, 0xc1, 0x4d } }
+
+typedef struct {
+  ///
+  /// Beginning of the hypercall page.
+  ///
+  VOID *HyperPages;
+  ///
+  /// Location of the hvm_info page.
+  ///
+  VOID *HvmInfo;
+  ///
+  /// Hypervisor major version.
+  ///
+  UINT16 VersionMajor;
+  ///
+  /// Hypervisor minor version.
+  ///
+  UINT16 VersionMinor;
+} EFI_XEN_INFO;
+
+extern EFI_GUID gEfiXenInfoGuid;
+
+#endif