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diff --git a/MdePkg/Include/Protocol/IncompatiblePciDeviceSupport.h b/MdePkg/Include/Protocol/IncompatiblePciDeviceSupport.h
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+/** @file
+  This file declares EFI Incompatible PCI Device Support Protocol
+
+  Copyright (c) 2006, Intel Corporation                                                         
+  All rights reserved. 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.             
+
+  Module Name:  IncompatiblePciDeviceSupport.h
+
+  @par Revision Reference:
+  This protocol is defined in Framework of EFI PCI Platform Support Specification.
+  Version0.9
+
+**/
+
+#ifndef _INCOMPATIBLE_PCI_DEVICE_SUPPORT_H_
+#define _INCOMPATIBLE_PCI_DEVICE_SUPPORT_H_
+
+#define EFI_INCOMPATIBLE_PCI_DEVICE_SUPPORT_PROTOCOL_GUID \
+        {0xeb23f55a, 0x7863, 0x4ac2, {0x8d, 0x3d, 0x95, 0x65, 0x35, 0xde, 0x03, 0x75} }
+
+typedef struct _EFI_INCOMPATIBLE_PCI_DEVICE_SUPPORT_PROTOCOL EFI_INCOMPATIBLE_PCI_DEVICE_SUPPORT_PROTOCOL;
+
+/**
+  Returns a list of ACPI resource descriptors that detail the special 
+  resource configuration requirements for an incompatible PCI device.
+
+  @param  This Pointer to the EFI_INCOMPATIBLE_PCI_DEVICE_SUPPORT_PROTOCOL instance. 
+  
+  @param  VendorID A unique ID to identify the manufacturer of the PCI device.
+  
+  @param  DeviceID A unique ID to identify the particular PCI device.
+  
+  @param  RevisionID A PCI device-specific revision identifier.
+  
+  @param  SubsystemVendorId Specifies the subsystem vendor ID. 
+  
+  @param  SubsystemDeviceId Specifies the subsystem device ID.
+  
+  @param  Configuration A list of ACPI resource descriptors that detail 
+  the configuration requirement. 
+
+  @retval EFI_SUCCESS The function always returns EFI_SUCCESS.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_INCOMPATIBLE_PCI_DEVICE_SUPPORT_CHECK_DEVICE) (
+  IN EFI_INCOMPATIBLE_PCI_DEVICE_SUPPORT_PROTOCOL   *This,
+  IN  UINTN                                         VendorId,
+  IN  UINTN                                         DeviceId,
+  IN  UINTN                                         Revision,
+  IN  UINTN                                         SubVendorId,OPTIONAL
+  IN  UINTN                                         SubDeviceId,OPTIONAL
+  OUT VOID                                          **Configuration
+); 
+
+
+//
+// Interface structure for the Incompatible PCI Device Support Protocol
+//
+/**
+  @par Protocol Description:
+  This protocol can find some incompatible PCI devices and report their 
+  special resource requirements to the PCI bus driver.
+
+  @param CheckDevice
+  Returns a list of ACPI resource descriptors that detail any special 
+  resource configuration requirements if the specified device is a recognized 
+  incompatible PCI device. 
+
+**/
+struct _EFI_INCOMPATIBLE_PCI_DEVICE_SUPPORT_PROTOCOL {
+  EFI_INCOMPATIBLE_PCI_DEVICE_SUPPORT_CHECK_DEVICE      CheckDevice;  
+};
+
+extern EFI_GUID gEfiIncompatiblePciDeviceSupportProtocolGuid;
+  
+#endif