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diff --git a/Vlv2TbltDevicePkg/Include/Protocol/EnhancedSpeedstep.h b/Vlv2TbltDevicePkg/Include/Protocol/EnhancedSpeedstep.h
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+++ b/Vlv2TbltDevicePkg/Include/Protocol/EnhancedSpeedstep.h
@@ -0,0 +1,81 @@
+/*++
+
+  Copyright (c) 2004  - 2014, 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 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.    
+                                                                                   
+
+
+
+Module Name:
+
+  EnhancedSpeedstep.h
+
+Abstract:
+
+  Enhanced Speedstep protocol
+
+  The Enhanced Speedstep Protocol support.
+
+**/
+
+#ifndef _ENHANCED_SPEEDSTEP_H_
+#define _ENHANCED_SPEEDSTEP_H_
+
+#define ENHANCED_SPEEDSTEP_PROTOCOL_GUID \
+  { \
+    0x91a1ddcf, 0x5374, 0x4939, 0x89, 0x51, 0xd7, 0x29, 0x3f, 0x1a, 0x78, 0x6f \
+  }
+
+typedef struct _ENHANCED_SPEEDSTEP_PROTOCOL ENHANCED_SPEEDSTEP_PROTOCOL;
+
+typedef struct {
+  UINT8   Version;      // EIST State format
+  UINT8   Size;         // Size of element
+  UINT32  RatioStep;    // Step
+  UINT32  MinRatio;     // Calculated min ratio
+  UINT32  MaxRatio;     // Calculated max ratio
+  UINT32  MinCoreFreq;  // Calculated min freq
+  UINT32  MaxCoreFreq;  // Calculated max freq
+  UINT32  MinPower;     // Calculated min power
+  UINT32  MaxPower;     // Calculated max power
+  UINT32  NumStates;    // Number of states
+} EIST_INFORMATION;
+
+typedef struct {
+  UINT32  CoreFrequency;
+  UINT32  Power;
+  UINT32  TransitionLatency;
+  UINT32  BusMasterLatency;
+  UINT32  Control;
+  UINT32  Status;
+} EFI_ACPI_CPU_PSS_STATE;
+
+typedef
+EFI_STATUS
+(EFIAPI *GET_EIST_TABLE) (
+  IN    ENHANCED_SPEEDSTEP_PROTOCOL    *This,
+  OUT   EIST_INFORMATION               **EistInformation,
+  OUT   VOID                           **PssStates
+  );
+
+struct _ENHANCED_SPEEDSTEP_PROTOCOL {
+  UINT32              ProcApicId;
+  GET_EIST_TABLE      GetEistTable;
+};
+
+//
+// There will be an instance of this protocol for every processor
+// in the system.  ProcNumber is used to manage all the different
+// processors in the system and passed into the MP protocol
+// to run code streams on application processors
+//
+extern EFI_GUID gEnhancedSpeedstepProtocolGuid;
+
+#endif