diff --git a/UefiCpuPkg/Include/CpuHotPlugData.h b/UefiCpuPkg/Include/CpuHotPlugData.h
new file mode 100644
index 0000000000..2a0d9fabd5
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+++ b/UefiCpuPkg/Include/CpuHotPlugData.h
@@ -0,0 +1,33 @@
+/** @file
+Definition for a structure sharing information for CPU hot plug.
+
+Copyright (c) 2013 - 2015, Intel Corporation. All rights reserved.<BR>
+This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which 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 _CPU_HOT_PLUG_DATA_H_
+#define _CPU_HOT_PLUG_DATA_H_
+
+#define  CPU_HOT_PLUG_DATA_REVISION_1      0x00000001
+
+typedef struct {
+  UINT32    Revision;          // Used for version identification for this structure
+  UINT32    ArrayLength;       // The entries number of the following ApicId array and SmBase array
+  //
+  // Data required for SMBASE relocation
+  //
+  UINT64    *ApicId;           // Pointer to ApicId array
+  UINTN     *SmBase;           // Pointer to SmBase array
+  UINT32    Reserved;
+  UINT32    SmrrBase;
+  UINT32    SmrrSize;
+} CPU_HOT_PLUG_DATA;
+
+#endif