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/** @file
The definition for VTD Null Root Entry Table PPI.
This is a lightweight VTd null root entry table report in PEI phase.
Copyright (c) 2020, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef __VTD_NULL_ROOT_ENTRY_TABLE_PPI_H__
#define __VTD_NULL_ROOT_ENTRY_TABLE_PPI_H__
#define EDKII_VTD_NULL_ROOT_ENTRY_TABLE_PPI_GUID \
{ \
0x3de0593f, 0x6e3e, 0x4542, { 0xa1, 0xcb, 0xcb, 0xb2, 0xdb, 0xeb, 0xd8, 0xff } \
}
//
// Null root entry table address is a fixed silicon reserved address,
// which is used to block the DMA transfer.
//
typedef UINT64 EDKII_VTD_NULL_ROOT_ENTRY_TABLE_PPI;
extern EFI_GUID gEdkiiVTdNullRootEntryTableGuid;
#endif
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