/** @file The definition for VTD PMR Regions Information Hob. Copyright (c) 2019, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent **/ #ifndef _VTD_PMR_INFO_HOB_H_ #define _VTD_PMR_INFO_HOB_H_ /// /// This interface is to report the PMR regions information /// PMR regions means PLMR/PHMR base and limit /// When gVtdPmrInfoDataHobGuid exists, it means: /// 1. Dma buffer is reserved by memory initialize code /// 2. PeiGetVtdPmrAlignmentLib is used to get alignment /// 3. PMR regions are determined by the system memory map /// 4. PMR regions will be conveyed through VTD_PMR_INFO_HOB /// typedef struct { UINT32 ProtectedLowBase; //PLMR Base UINT32 ProtectedLowLimit; //PLMR Limit UINT64 ProtectedHighBase; //PHMR Base UINT64 ProtectedHighLimit; //PHMR Limit } VTD_PMR_INFO_HOB; #endif // _VTD_PMR_INFO_HOB_H_