1 files changed, 121 insertions, 0 deletions
diff --git a/MdePkg/Library/SmmIoLibCpuIo/SmmCpuIoLibInternal.h b/MdePkg/Library/SmmIoLibCpuIo/SmmCpuIoLibInternal.h
new file mode 100644
index 0000000000..e221bc8d9e
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+++ b/MdePkg/Library/SmmIoLibCpuIo/SmmCpuIoLibInternal.h
@@ -0,0 +1,121 @@
+/** @file
+  Internal include file of SMM CPU IO Library.
+  It includes all necessary protocol/library class's header file
+  for implementation of IoLib library instance. It is included 
+  all source code of this library instance.
+  
+  Copyright (c) 2009, 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:  DxeCpuIoLibInternal.h
+
+**/
+
+#ifndef _SMM_CPUIO_LIB_INTERNAL_H_
+#define _SMM_CPUIO_LIB_INTERNAL_H_
+
+
+#include <PiSmm.h>
+#include <Protocol/SmmCpuIo.h>
+#include <Protocol/SmmPciRootBridgeIo.h>
+#include <Library/IoLib.h>
+#include <Library/DebugLib.h>
+#include <Library/BaseLib.h>
+#include <Library/SmmServicesTableLib.h>
+
+
+/**
+  Reads registers in the EFI CPU I/O space.
+
+  Reads the I/O port specified by Port with registers width specified by Width.
+  The read value is returned. If such operations are not supported, then ASSERT().
+  This function must guarantee that all I/O read and write operations are serialized.
+
+  @param  Port          The base address of the I/O operation.
+                        The caller is responsible for aligning the Address if required.
+  @param  Width         The width of the I/O operation.
+
+  @return Data read from registers in the EFI CPU I/O space.
+
+**/
+UINT64
+EFIAPI
+IoReadWorker (
+  IN      UINTN                     Port,
+  IN      EFI_SMM_IO_WIDTH          Width
+  );
+
+/**
+  Writes registers in the EFI CPU I/O space.
+
+  Writes the I/O port specified by Port with registers width and value specified by Width
+  and Data respectively.  Data is returned. If such operations are not supported, then ASSERT().
+  This function must guarantee that all I/O read and write operations are serialized.
+
+  @param  Port          The base address of the I/O operation.
+                        The caller is responsible for aligning the Address if required.
+  @param  Width         The width of the I/O operation.
+  @param  Data          The value to write to the I/O port.
+
+  @return The paramter of Data.
+
+**/
+UINT64
+EFIAPI
+IoWriteWorker (
+  IN      UINTN                     Port,
+  IN      EFI_SMM_IO_WIDTH          Width,
+  IN      UINT64                    Data
+  );
+
+/**
+  Reads memory-mapped registers in the EFI system memory space.
+
+  Reads the MMIO registers specified by Address with registers width specified by Width.
+  The read value is returned. If such operations are not supported, then ASSERT().
+  This function must guarantee that all MMIO read and write operations are serialized.
+
+  @param  Address       The MMIO register to read.
+                        The caller is responsible for aligning the Address if required.
+  @param  Width         The width of the I/O operation.
+
+  @return Data read from registers in the EFI system memory space.
+
+**/
+UINT64
+EFIAPI
+MmioReadWorker (
+  IN      UINTN                     Address,
+  IN      EFI_SMM_IO_WIDTH          Width
+  );
+
+/**
+  Writes memory-mapped registers in the EFI system memory space.
+
+  Writes the MMIO registers specified by Address with registers width and value specified by Width
+  and Data respectively. Data is returned. If such operations are not supported, then ASSERT().
+  This function must guarantee that all MMIO read and write operations are serialized.
+
+  @param  Address       The MMIO register to read.
+                        The caller is responsible for aligning the Address if required.
+  @param  Width         The width of the I/O operation.
+  @param  Data          The value to write to the I/O port.
+  
+  @return Data read from registers in the EFI system memory space.
+
+**/
+UINT64
+EFIAPI
+MmioWriteWorker (
+  IN      UINTN                     Address,
+  IN      EFI_SMM_IO_WIDTH          Width,
+  IN      UINT64                    Data
+  );
+
+#endif