audk/MdePkg/Include/Protocol/MmPciRootBridgeIo.h

31 lines
917 B
C

/** @file
MM PCI Root Bridge IO protocol as defined in the PI 1.5 specification.
This protocol provides PCI I/O and memory access within MM.
Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef _MM_PCI_ROOT_BRIDGE_IO_H_
#define _MM_PCI_ROOT_BRIDGE_IO_H_
#include <Protocol/PciRootBridgeIo.h>
#define EFI_MM_PCI_ROOT_BRIDGE_IO_PROTOCOL_GUID \
{ \
0x8bc1714d, 0xffcb, 0x41c3, { 0x89, 0xdc, 0x6c, 0x74, 0xd0, 0x6d, 0x98, 0xea } \
}
///
/// 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_PCI_ROOT_BRIDGE_IO_PROTOCOL EFI_MM_PCI_ROOT_BRIDGE_IO_PROTOCOL;
extern EFI_GUID gEfiMmPciRootBridgeIoProtocolGuid;
#endif