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diff --git a/ReferenceCode/ME/Heci/Dxe/Hecidrv.h b/ReferenceCode/ME/Heci/Dxe/Hecidrv.h
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+++ b/ReferenceCode/ME/Heci/Dxe/Hecidrv.h
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+/** @file
+  Definitions for HECI driver
+
+@copyright
+  Copyright (c) 2006 - 2012 Intel Corporation. All rights reserved
+  This software and associated documentation (if any) is furnished
+  under a license and may only be used or copied in accordance
+  with the terms of the license. Except as permitted by such
+  license, no part of this software or documentation may be
+  reproduced, stored in a retrieval system, or transmitted in any
+  form or by any means without the express written consent of
+  Intel Corporation.
+
+  This file contains an 'Intel Peripheral Driver' and uniquely
+  identified as "Intel Reference Module" and is
+  licensed for Intel CPUs and chipsets under the terms of your
+  license agreement with Intel or your vendor.  This file may
+  be modified by the user, subject to additional terms of the
+  license agreement
+**/
+#ifndef _HECI_DRV_H
+#define _HECI_DRV_H
+
+#include "EdkIIGlueDxe.h"
+#include "MeAccess.h"
+#include "HeciRegs.h"
+#include "Pci22.h"
+#include "RcFviDxeLib.h"
+
+#include EFI_PROTOCOL_CONSUMER (PciRootBridgeIo)
+
+#define HECI_PRIVATE_DATA_SIGNATURE         EFI_SIGNATURE_32 ('H', 'e', 'c', 'i')
+#define HECI_ROUND_UP_BUFFER_LENGTH(Length) ((UINT32) ((((Length) + 3) / 4) * 4))
+
+//
+// Driver Produced Protocol Prototypes
+//
+#include EFI_PROTOCOL_PRODUCER (Heci)
+#include EFI_PROTOCOL_PRODUCER (MeRcInfo)
+
+//
+// Driver Consumed Protocol Prototypes
+//
+#include EFI_PROTOCOL_CONSUMER (MebxProtocol)
+
+extern FVI_ELEMENT_AND_FUNCTION       mMeFviElementsData[];
+extern FVI_DATA_HUB_CALLBACK_CONTEXT  mMeFviVersionData;
+extern UINTN                          mMeFviElements;
+
+typedef union {
+  UINT32  Data32;
+  UINT16  Data16[2];
+  UINT8   Data8[4];
+} DATA32_UNION;
+
+///
+/// HECI private data structure
+///
+typedef struct {
+  UINTN                   Signature;
+  EFI_HANDLE              Handle;
+  UINT64                  HeciMBAR;
+  UINT16                  DeviceInfo;
+  UINT32                  RevisionInfo;
+  EFI_HECI_PROTOCOL       HeciCtlr;
+  VOLATILE UINT32         *HpetTimer;
+  EFI_ME_RC_INFO_PROTOCOL MeRcInfo;
+  UINT8                   MeFwImageType;
+} HECI_INSTANCE;
+#endif