1f9bd937b3
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=4243 TdxHelperBuildGuidHobForTdxMeasurement is called in PlatformPei to build GuidHob for Tdx measurement. Cc: Erdem Aktas <erdemaktas@google.com> Cc: James Bottomley <jejb@linux.ibm.com> Cc: Jiewen Yao <jiewen.yao@intel.com> Cc: Gerd Hoffmann <kraxel@redhat.com> Cc: Tom Lendacky <thomas.lendacky@amd.com> Cc: Michael Roth <michael.roth@amd.com> Acked-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Jiewen Yao <jiewen.yao@intel.com> Signed-off-by: Min Xu <min.m.xu@intel.com>
55 lines
1.3 KiB
C
55 lines
1.3 KiB
C
/** @file
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Initialize Intel TDX support.
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Copyright (c) 2021, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include <PiPei.h>
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#include <Library/BaseLib.h>
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#include <Library/DebugLib.h>
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#include <Library/HobLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <IndustryStandard/Tdx.h>
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#include <IndustryStandard/QemuFwCfg.h>
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#include <Library/QemuFwCfgLib.h>
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#include <Library/PeiServicesLib.h>
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#include <Library/TdxLib.h>
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#include <Library/TdxHelperLib.h>
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#include <Library/PlatformInitLib.h>
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#include <WorkArea.h>
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#include <ConfidentialComputingGuestAttr.h>
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#include "Platform.h"
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/**
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This Function checks if TDX is available, if present then it sets
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the dynamic PCDs for Tdx guest.
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**/
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VOID
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IntelTdxInitialize (
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VOID
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)
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{
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#ifdef MDE_CPU_X64
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RETURN_STATUS PcdStatus;
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if (!TdIsEnabled ()) {
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return;
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}
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TdxHelperBuildGuidHobForTdxMeasurement ();
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PcdStatus = PcdSet64S (PcdConfidentialComputingGuestAttr, CCAttrIntelTdx);
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ASSERT_RETURN_ERROR (PcdStatus);
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PcdStatus = PcdSet64S (PcdTdxSharedBitMask, TdSharedPageMask ());
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ASSERT_RETURN_ERROR (PcdStatus);
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PcdStatus = PcdSetBoolS (PcdSetNxForStack, TRUE);
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ASSERT_RETURN_ERROR (PcdStatus);
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#endif
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}
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