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diff --git a/roms/edk2/MdeModulePkg/Universal/CapsuleRuntimeDxe/CapsuleService.h b/roms/edk2/MdeModulePkg/Universal/CapsuleRuntimeDxe/CapsuleService.h
new file mode 100644
index 000000000..069df3c75
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+++ b/roms/edk2/MdeModulePkg/Universal/CapsuleRuntimeDxe/CapsuleService.h
@@ -0,0 +1,70 @@
+/** @file
+  Capsule Runtime Driver produces two UEFI capsule runtime services.
+  (UpdateCapsule, QueryCapsuleCapabilities)
+  It installs the Capsule Architectural Protocol defined in PI1.0a to signify
+  the capsule runtime services are ready.
+
+  Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2018, Linaro, Ltd. All rights reserved.<BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef _CAPSULE_SERVICE_H_
+#define _CAPSULE_SERVICE_H_
+
+#include <Uefi.h>
+
+#include <Protocol/Capsule.h>
+#include <Guid/CapsuleVendor.h>
+#include <Guid/FmpCapsule.h>
+
+#include <Library/DebugLib.h>
+#include <Library/PcdLib.h>
+#include <Library/CapsuleLib.h>
+#include <Library/UefiDriverEntryPoint.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiRuntimeServicesTableLib.h>
+#include <Library/UefiRuntimeLib.h>
+#include <Library/BaseLib.h>
+#include <Library/PrintLib.h>
+#include <Library/BaseMemoryLib.h>
+
+/**
+  Create the variable to save the base address of page table and stack
+  for transferring into long mode in IA32 PEI.
+**/
+VOID
+SaveLongModeContext (
+  VOID
+  );
+
+/**
+  Whether the platform supports capsules that persist across reset. Note that
+  some platforms only support such capsules at boot time.
+
+  @return TRUE  if a PersistAcrossReset capsule may be passed to UpdateCapsule()
+                at this time
+          FALSE otherwise
+**/
+BOOLEAN
+IsPersistAcrossResetCapsuleSupported (
+  VOID
+  );
+
+/**
+  Writes Back a range of data cache lines covering a set of capsules in memory.
+
+  Writes Back the data cache lines specified by ScatterGatherList.
+
+  @param  ScatterGatherList Physical address of the data structure that
+                            describes a set of capsules in memory
+
+**/
+VOID
+CapsuleCacheWriteBack (
+  IN  EFI_PHYSICAL_ADDRESS    ScatterGatherList
+  );
+
+#endif