65 lines
3.8 KiB
C
65 lines
3.8 KiB
C
/** @file
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The GUID definition for GraphicsDataHob
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@copyright
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INTEL CONFIDENTIAL
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Copyright 2019 - 2021 Intel Corporation.
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The source code contained or described herein and all documents related to the
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source code ("Material") are owned by Intel Corporation or its suppliers or
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licensors. Title to the Material remains with Intel Corporation or its suppliers
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and licensors. The Material may contain trade secrets and proprietary and
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confidential information of Intel Corporation and its suppliers and licensors,
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and is protected by worldwide copyright and trade secret laws and treaty
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provisions. No part of the Material may be used, copied, reproduced, modified,
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published, uploaded, posted, transmitted, distributed, or disclosed in any way
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without Intel's prior express written permission.
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No license under any patent, copyright, trade secret or other intellectual
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property right is granted to or conferred upon you by disclosure or delivery
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of the Materials, either expressly, by implication, inducement, estoppel or
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otherwise. Any license under such intellectual property rights must be
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express and approved by Intel in writing.
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Unless otherwise agreed by Intel in writing, you may not remove or alter
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this notice or any other notice embedded in Materials by Intel or
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Intel's suppliers or licensors in any way.
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This file contains an 'Intel Peripheral Driver' and is uniquely identified as
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"Intel Reference Module" and is licensed for Intel CPUs and chipsets under
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the terms of your license agreement with Intel or your vendor. This file may
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be modified by the user, subject to additional terms of the license agreement.
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@par Specification Reference:
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**/
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#ifndef _GFX_DATA_HOB_H_
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#define _GFX_DATA_HOB_H_
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#include <Base.h>
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extern EFI_GUID gGraphicsDataHobGuid;
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#pragma pack (push,1)
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/**
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The GFX_DATA_HOB block describes the expected configuration of the CpuPcie controllers
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**/
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typedef struct {
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///
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/// These members describe the configuration of each CPU PCIe root port.
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///
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EFI_HOB_GUID_TYPE EfiHobGuidType; ///< Offset 0 - 23: GUID Hob type structure for gGraphicsDataHobGuid
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UINT8 PrimaryDisplayDetection; ///< Primary Display - default is IGD. [IGD = 0; PEG = 1; PCIE = 2]
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BOOLEAN ExternalGfxScanEnable; ///< External Graphics Card scan policy value from BIOS setup. [1 = Enable, 0 = Disable]
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UINT8 ExtGfxCardPresentOnPegRpBitMap; ///< External Graphics Card found on CPU PCIE RP bit map. Where each BIT represent corresponding CPU PCIE RP Index.
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UINT8 ExtGfxCardOnPegRpAsImmediateChildBitMap; ///< External Graphics Card found on CPU PCIE RP as Immediate Child Device bit map. Where each BIT represent corresponding CPU PCIE RP Index.
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UINT32 ExtGfxCardPresentOnPcieRpBitMap; ///< External Graphics Card found on PCH PCIE RP bit map. Where each BIT represent corresponding PCH PCIE RP Index.
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UINT32 ExtGfxCardOnPcieRpAsImmediateChildBitMap; ///< External Graphics Card found on PCH PCIE RP as Immediate Child Device bit map. Where each BIT represent corresponding PCH PCIE RP Index.
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UINT8 NumberOfGfxControllerFound; ///< Number of Graphics Device/Controller found including in IGD, PCIE RP and PEG RP.
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UINT8 Reserved[2]; ///< To allign 32 bit boundary.
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UINT8 LidStatus; ///< LFP Display Lid Status (LID_STATUS enum).
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UINT32 GraphicsConfigPtr; ///< Graphics Configuration Ptr.
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UINT32 VbtSize; ///< Intel Graphics VBT (Video BIOS Table) Size.
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} GFX_DATA_HOB;
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#pragma pack (pop)
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#endif
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