MdePkg/Include/Protocol/SmmCpuIo2.h

   1 /** @file
   2   SMM CPU I/O 2 protocol as defined in the PI 1.2 specification.
   3
   4   This protocol provides CPU I/O and memory access within SMM.
   5
   6   Copyright (c) 2009 - 2017, Intel Corporation. All rights reserved.<BR>
   7   This program and the accompanying materials
   8   are licensed and made available under the terms and conditions of the BSD License
   9   which accompanies this distribution.  The full text of the license may be found at
  10   http://opensource.org/licenses/bsd-license.php
  11
  12   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  13   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  14
  15 **/
  16
  17 #ifndef _SMM_CPU_IO2_H_
  18 #define _SMM_CPU_IO2_H_
  19
  20 #include <Protocol/MmCpuIo.h>
  21
  22 #define EFI_SMM_CPU_IO2_PROTOCOL_GUID EFI_MM_CPU_IO_PROTOCOL_GUID
  23
  24 typedef EFI_MM_CPU_IO_PROTOCOL  EFI_SMM_CPU_IO2_PROTOCOL;
  25
  26 ///
  27 /// Width of the SMM CPU I/O operations
  28 ///
  29 #define SMM_IO_UINT8  MM_IO_UINT8
  30 #define SMM_IO_UINT16 MM_IO_UINT16
  31 #define SMM_IO_UINT32 MM_IO_UINT32
  32 #define SMM_IO_UINT64 MM_IO_UINT64
  33
  34 typedef EFI_MM_IO_WIDTH EFI_SMM_IO_WIDTH;
  35 typedef EFI_MM_CPU_IO EFI_SMM_CPU_IO2;
  36
  37 typedef EFI_MM_IO_ACCESS EFI_SMM_IO_ACCESS2;
  38
  39 extern EFI_GUID gEfiSmmCpuIo2ProtocolGuid;
  40
  41 #endif