MdePkg/Include/Protocol/MmPciRootBridgeIo.h

   1 /** @file
   2   MM PCI Root Bridge IO protocol as defined in the PI 1.5 specification.
   3
   4   This protocol provides PCI I/O and memory access within MM.
   5
   6   Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
   7   SPDX-License-Identifier: BSD-2-Clause-Patent
   8
   9 **/
  10
  11 #ifndef _MM_PCI_ROOT_BRIDGE_IO_H_
  12 #define _MM_PCI_ROOT_BRIDGE_IO_H_
  13
  14 #include <Protocol/PciRootBridgeIo.h>
  15
  16 #define EFI_MM_PCI_ROOT_BRIDGE_IO_PROTOCOL_GUID \
  17   { \
  18     0x8bc1714d, 0xffcb, 0x41c3, { 0x89, 0xdc, 0x6c, 0x74, 0xd0, 0x6d, 0x98, 0xea } \
  19   }
  20
  21 ///
  22 /// This protocol provides the same functionality as the PCI Root Bridge I/O Protocol defined in the
  23 /// UEFI 2.1 Specifcation, section 13.2, except that the functions for Map() and Unmap() may return
  24 /// EFI_UNSUPPORTED.
  25 ///
  26 typedef EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL  EFI_MM_PCI_ROOT_BRIDGE_IO_PROTOCOL;
  27
  28 extern EFI_GUID gEfiMmPciRootBridgeIoProtocolGuid;
  29
  30 #endif
  31