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diff --git a/EdkUnixPkg/Dxe/UnixThunk/Bus/BlockIo/UnixBlockIo.h b/EdkUnixPkg/Dxe/UnixThunk/Bus/BlockIo/UnixBlockIo.h
new file mode 100644
index 0000000000..70d8571c3c
--- /dev/null
+++ b/EdkUnixPkg/Dxe/UnixThunk/Bus/BlockIo/UnixBlockIo.h
@@ -0,0 +1,207 @@
+/*++
+
+Copyright (c) 2004 - 2005, 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:
+
+  UnixBlockIo.h
+
+Abstract:
+
+  Produce block IO abstractions for real devices on your PC using Win32 APIs.
+  The configuration of what devices to mount or emulate comes from NT 
+  environment variables. The variables must be visible to the Microsoft* 
+  Developer Studio for them to work.
+
+  * Other names and brands may be claimed as the property of others.
+
+--*/
+
+#ifndef _UNIX_BLOCK_IO_H_
+#define _UNIX_BLOCK_IO_H_
+
+#define FILENAME_BUFFER_SIZE  80
+
+//
+// Language supported for driverconfiguration protocol
+//
+#define LANGUAGESUPPORTED "eng"
+
+#define UNIX_BLOCK_IO_PRIVATE_SIGNATURE EFI_SIGNATURE_32 ('L', 'X', 'b', 'k')
+typedef struct {
+  UINTN                       Signature;
+
+  EFI_LOCK                    Lock;
+
+  char                        Filename[FILENAME_BUFFER_SIZE];
+  UINTN                       ReadMode;
+  UINTN                       Mode;
+
+  int                         fd;
+
+  UINT64                      LastBlock;
+  UINTN                       BlockSize;
+  UINT64                      NumberOfBlocks;
+
+  EFI_HANDLE                  EfiHandle;
+  EFI_BLOCK_IO_PROTOCOL       BlockIo;
+  EFI_BLOCK_IO_MEDIA          Media;
+
+  EFI_UNICODE_STRING_TABLE    *ControllerNameTable;
+
+  EFI_UNIX_THUNK_PROTOCOL   *UnixThunk;
+
+} UNIX_BLOCK_IO_PRIVATE;
+
+#define UNIX_BLOCK_IO_PRIVATE_DATA_FROM_THIS(a) \
+         CR(a, UNIX_BLOCK_IO_PRIVATE, BlockIo, UNIX_BLOCK_IO_PRIVATE_SIGNATURE)
+
+#define LIST_BUFFER_SIZE  512
+
+//
+// Block I/O Global Variables
+//
+extern EFI_DRIVER_BINDING_PROTOCOL        gUnixBlockIoDriverBinding;
+extern EFI_COMPONENT_NAME_PROTOCOL        gUnixBlockIoComponentName;
+extern EFI_DRIVER_CONFIGURATION_PROTOCOL  gUnixBlockIoDriverConfiguration;
+extern EFI_DRIVER_DIAGNOSTICS_PROTOCOL    gUnixBlockIoDriverDiagnostics;
+
+//
+// EFI Driver Binding Functions
+//
+EFI_STATUS
+EFIAPI
+UnixBlockIoDriverBindingSupported (
+  IN EFI_DRIVER_BINDING_PROTOCOL    *This,
+  IN  EFI_HANDLE                    Handle,
+  IN  EFI_DEVICE_PATH_PROTOCOL      *RemainingDevicePath
+  )
+/*++
+
+Routine Description:
+
+  TODO: Add function description
+
+Arguments:
+
+  This                - TODO: add argument description
+  Handle              - TODO: add argument description
+  RemainingDevicePath - TODO: add argument description
+
+Returns:
+
+  TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+EFIAPI
+UnixBlockIoDriverBindingStart (
+  IN EFI_DRIVER_BINDING_PROTOCOL    *This,
+  IN  EFI_HANDLE                    Handle,
+  IN  EFI_DEVICE_PATH_PROTOCOL      *RemainingDevicePath
+  )
+/*++
+
+Routine Description:
+
+  TODO: Add function description
+
+Arguments:
+
+  This                - TODO: add argument description
+  Handle              - TODO: add argument description
+  RemainingDevicePath - TODO: add argument description
+
+Returns:
+
+  TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+EFIAPI
+UnixBlockIoDriverBindingStop (
+  IN  EFI_DRIVER_BINDING_PROTOCOL   *This,
+  IN  EFI_HANDLE                    Handle,
+  IN  UINTN                         NumberOfChildren,
+  IN  EFI_HANDLE                    *ChildHandleBuffer
+  )
+/*++
+
+Routine Description:
+
+  TODO: Add function description
+
+Arguments:
+
+  This              - TODO: add argument description
+  Handle            - TODO: add argument description
+  NumberOfChildren  - TODO: add argument description
+  ChildHandleBuffer - TODO: add argument description
+
+Returns:
+
+  TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+SetFilePointer64 (
+  IN  UNIX_BLOCK_IO_PRIVATE    *Private,
+  IN  INT64                      DistanceToMove,
+  OUT UINT64                     *NewFilePointer,
+  IN  INT32                      MoveMethod
+  )
+/*++
+
+Routine Description:
+
+  TODO: Add function description
+
+Arguments:
+
+  Private         - TODO: add argument description
+  DistanceToMove  - TODO: add argument description
+  NewFilePointer  - TODO: add argument description
+  MoveMethod      - TODO: add argument description
+
+Returns:
+
+  TODO: add return values
+
+--*/
+;
+
+UINTN
+Atoi (
+  CHAR16  *String
+  )
+/*++
+
+Routine Description:
+
+  TODO: Add function description
+
+Arguments:
+
+  String  - TODO: add argument description
+
+Returns:
+
+  TODO: add return values
+
+--*/
+;
+
+#endif