/** @file
|
VT-d policy definitions.
|
|
Copyright (c) 2021, Intel Corporation. All rights reserved.<BR>
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
**/
|
#ifndef _VTD_CONFIG_H_
|
#define _VTD_CONFIG_H_
|
|
#include <Library/VtdInfoLib.h>
|
#pragma pack(push, 1)
|
|
#define VTD_CONFIG_REVISION 1
|
#define VTD_DXE_CONFIG_REVISION 2
|
|
/**
|
The data elements should be initialized by a Platform Module.
|
The data structure is for VT-d driver initialization\n
|
<b>Revision 1</b>:
|
- Initial version.
|
**/
|
typedef struct {
|
CONFIG_BLOCK_HEADER Header; ///< Offset 0-27 Config Block Header
|
/**
|
Offset 28:
|
VT-D Support can be verified by reading CAP ID register as expalined in BIOS Spec.
|
This policy is for debug purpose only.
|
If VT-D is not supported, all other policies in this config block will be ignored.
|
<b>0 = To use Vt-d</b>;
|
1 = Avoids programming Vtd bars, Vtd overrides and DMAR table.
|
**/
|
UINT8 VtdDisable;
|
UINT8 X2ApicOptOut; ///< Offset 29 :This field is used to enable the X2APIC_OPT_OUT bit in the DMAR table. 1=Enable/Set and <b>0=Disable/Clear</b>
|
UINT8 DmaControlGuarantee; ///< Offset 30 :This field is used to enable the DMA_CONTROL_GUARANTEE bit in the DMAR table. 1=Enable/Set and <b>0=Disable/Clear</b>
|
UINT8 VtdIgdEnable; ///< Offset 31 :This field is used to enable the VtdIgdEnable Policy. 1=Enable/Set and <b>0=Disable/Clear</b>
|
UINT8 VtdIpuEnable; ///< Offset 32 :This field is used to enable the VtdIpuEnable Policy. 1=Enable/Set and <b>0=Disable/Clear</b>
|
UINT8 VtdIopEnable; ///< Offset 33 :This field is used to enable the VtdIopEnable Policy. 1=Enable/Set and <b>0=Disable/Clear</b>
|
UINT8 VtdItbtEnable; ///< Offset 34 :This field is used to enable the VtdItbtEnable Policy. 1=Enable/Set and <b>0=Disable/Clear</b>
|
UINT8 PreBootDmaMask; ///< Offset 35 :Convey PcdVTdPolicyPropertyMask value from EDK2 IntelSiliconPkg
|
/**
|
Offset 36:
|
This field is used to describe the base addresses for VT-d function:\n
|
VTD BAR for Gfx if IGfx is supported : <b>BaseAddress[0]=0xFED90000,\n
|
VTD BAR for IPU if IPU is supporrted : BaseAddress[1]=0xFED92000,\n
|
VTD BAR for other DMA Agents (except Igfx and IPU) : BaseAddress[2]=0xFED91000,\n
|
VTD BAR for iTBT if iTBT is supported : BaseAddress[3]=0xFED84000, BaseAddress[4]=0xFED85000, BaseAddress[5]=0xFED86000,BaseAddress[6]=0xFED87000</b>
|
**/
|
UINT32 BaseAddress[VTD_ENGINE_NUMBER];
|
UINT32 DmaBufferSize; ///< Offset 64 :Protect Memory Region (PMR) DMA buffer size
|
|
|
} VTD_CONFIG;
|
|
/**
|
The data structure is for VT-d driver initialization in DXE\n
|
<b>Revision 1</b>:
|
- Initial version.
|
**/
|
typedef struct {
|
CONFIG_BLOCK_HEADER Header; ///< Offset 0-27 Config Block Header
|
} VTD_DXE_CONFIG;
|
#pragma pack(pop)
|
|
#endif // _VTD_CONFIG_H_
|
