audk/MdePkg/Include/Protocol/SmmPciRootBridgeIo.h

29 lines
878 B
C

/** @file
SMM PCI Root Bridge IO protocol as defined in the PI 1.2 specification.
This protocol provides PCI I/O and memory access within SMM.
Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef _SMM_PCI_ROOT_BRIDGE_IO_H_
#define _SMM_PCI_ROOT_BRIDGE_IO_H_
#include <Protocol/MmPciRootBridgeIo.h>
#define EFI_SMM_PCI_ROOT_BRIDGE_IO_PROTOCOL_GUID EFI_MM_PCI_ROOT_BRIDGE_IO_PROTOCOL_GUID
///
/// This protocol provides the same functionality as the PCI Root Bridge I/O Protocol defined in the
/// UEFI 2.1 Specifcation, section 13.2, except that the functions for Map() and Unmap() may return
/// EFI_UNSUPPORTED.
///
typedef EFI_MM_PCI_ROOT_BRIDGE_IO_PROTOCOL EFI_SMM_PCI_ROOT_BRIDGE_IO_PROTOCOL;
extern EFI_GUID gEfiSmmPciRootBridgeIoProtocolGuid;
#endif