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+/** @file
+ Ovmf info structure passed by Xen
+
+Copyright (c) 2013, Citrix Systems UK Ltd.<BR>
+
+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_H__
+#define __XEN_H__
+
+#include <PiPei.h>
+
+// Physical address of OVMF info
+#define OVMF_INFO_PHYSICAL_ADDRESS 0x00001000
+
+// This structure must match the definition on Xen side
+#pragma pack(1)
+typedef struct {
+ CHAR8 Signature[14]; // XenHVMOVMF\0
+ UINT8 Length; // Length of this structure
+ UINT8 Checksum; // Set such that the sum over bytes 0..length == 0
+ //
+ // Physical address of an array of TablesCount elements.
+ //
+ // Each element contains the physical address of a BIOS table.
+ //
+ EFI_PHYSICAL_ADDRESS Tables;
+ UINT32 TablesCount;
+ //
+ // Physical address of the E820 table, contains E820EntriesCount entries.
+ //
+ EFI_PHYSICAL_ADDRESS E820;
+ UINT32 E820EntriesCount;
+} EFI_XEN_OVMF_INFO;
+#pragma pack()
+
+#endif /* __XEN_H__ */