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   SPDX-License-Identifier: BSD-2-Clause-Patent
   8
   9 **/
  10
  11 #ifndef _SMM_CPU_IO2_H_
  12 #define _SMM_CPU_IO2_H_
  13
  14 #include <Protocol/MmCpuIo.h>
  15
  16 #define EFI_SMM_CPU_IO2_PROTOCOL_GUID EFI_MM_CPU_IO_PROTOCOL_GUID
  17
  18 typedef EFI_MM_CPU_IO_PROTOCOL  EFI_SMM_CPU_IO2_PROTOCOL;
  19
  20 ///
  21 /// Width of the SMM CPU I/O operations
  22 ///
  23 #define SMM_IO_UINT8  MM_IO_UINT8
  24 #define SMM_IO_UINT16 MM_IO_UINT16
  25 #define SMM_IO_UINT32 MM_IO_UINT32
  26 #define SMM_IO_UINT64 MM_IO_UINT64
  27
  28 typedef EFI_MM_IO_WIDTH EFI_SMM_IO_WIDTH;
  29 typedef EFI_MM_CPU_IO EFI_SMM_CPU_IO2;
  30
  31 typedef EFI_MM_IO_ACCESS EFI_SMM_IO_ACCESS2;
  32
  33 extern EFI_GUID gEfiSmmCpuIo2ProtocolGuid;
  34
  35 #endif