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UefiCpuPkg, OvmfPkg: Eliminated dependencies of PeiMpInitLib, DxeMpInitLib

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from DynamicPcds: PcdCpuMaxLogicalProcessorNumber, 
PcdCpuBootLogicalProcessorNumber, PcdGhcbBase, 
PcdConfidentialComputingGuestAttr.
This information is now obtained from EFI_HOB_PLATFORM_INFO directly.
This commit is contained in:
Mikhail Krichanov 2023-05-23 16:17:14 +03:00 committed by MikhailKrichanov
parent c810b25601
commit 28743ca0ee
8 changed files with 37 additions and 21 deletions
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2
OvmfPkg/Include/Library/PlatformInitLib.h
View File

@ -55,6 +55,8 @@ typedef struct {
BOOLEAN QemuFwCfgChecked;
BOOLEAN QemuFwCfgSupported;
BOOLEAN QemuFwCfgDmaSupported;
UINT64 GhcbBase;
} EFI_HOB_PLATFORM_INFO;
#pragma pack()

6
OvmfPkg/PlatformPei/AmdSev.c
View File

@ -258,6 +258,9 @@ AmdSevEsInitialize (
Status = PcdSet64S (PcdGhcbBase, GhcbBasePa);
ASSERT_RETURN_ERROR (Status);
PlatformInfoHob->GhcbBase = GhcbBasePa;
Status = PcdSet64S (PcdGhcbSize, EFI_PAGES_TO_SIZE (GhcbPageCount));
ASSERT_RETURN_ERROR (Status);
@ -428,10 +431,13 @@ AmdSevInitialize (
//
if (MemEncryptSevSnpIsEnabled ()) {
PcdStatus = PcdSet64S (PcdConfidentialComputingGuestAttr, CCAttrAmdSevSnp);
PlatformInfoHob->PcdConfidentialComputingGuestAttr = CCAttrAmdSevSnp;
} else if (MemEncryptSevEsIsEnabled ()) {
PcdStatus = PcdSet64S (PcdConfidentialComputingGuestAttr, CCAttrAmdSevEs);
PlatformInfoHob->PcdConfidentialComputingGuestAttr = CCAttrAmdSevEs;
} else {
PcdStatus = PcdSet64S (PcdConfidentialComputingGuestAttr, CCAttrAmdSev);
PlatformInfoHob->PcdConfidentialComputingGuestAttr = CCAttrAmdSev;
}
ASSERT_RETURN_ERROR (PcdStatus);

4
OvmfPkg/PlatformPei/IntelTdx.c
View File

@ -30,7 +30,7 @@
**/
VOID
IntelTdxInitialize (
VOID
IN OUT EFI_HOB_PLATFORM_INFO *PlatformInfoHob
)
{
#ifdef MDE_CPU_X64
@ -45,6 +45,8 @@ IntelTdxInitialize (
PcdStatus = PcdSet64S (PcdConfidentialComputingGuestAttr, CCAttrIntelTdx);
ASSERT_RETURN_ERROR (PcdStatus);
PlatformInfoHob->PcdConfidentialComputingGuestAttr = CCAttrIntelTdx;
PcdStatus = PcdSet64S (PcdTdxSharedBitMask, TdSharedPageMask ());
ASSERT_RETURN_ERROR (PcdStatus);

2
OvmfPkg/PlatformPei/Platform.c
View File

@ -395,7 +395,7 @@ InitializePlatform (
MiscInitialization (PlatformInfoHob);
}
IntelTdxInitialize ();
IntelTdxInitialize (PlatformInfoHob);
InstallFeatureControlCallback (PlatformInfoHob);
return EFI_SUCCESS;

2
OvmfPkg/PlatformPei/Platform.h
View File

@ -90,7 +90,7 @@ AmdSevInitialize (
**/
VOID
IntelTdxInitialize (
VOID
IN EFI_HOB_PLATFORM_INFO *PlatformInfoHob
);
/**

6
UefiCpuPkg/Library/MpInitLib/DxeMpInitLib.inf
View File

@ -40,6 +40,7 @@
[Packages]
MdePkg/MdePkg.dec
MdeModulePkg/MdeModulePkg.dec
OvmfPkg/OvmfPkg.dec
UefiCpuPkg/UefiCpuPkg.dec
[LibraryClasses]
@ -64,10 +65,9 @@
gEfiEventExitBootServicesGuid ## CONSUMES ## Event
gEfiEventLegacyBootGuid ## SOMETIMES_CONSUMES ## Event
gEdkiiMicrocodePatchHobGuid ## SOMETIMES_CONSUMES ## HOB
gUefiOvmfPkgPlatformInfoGuid ## CONSUMES ## HOB
[Pcd]
gUefiCpuPkgTokenSpaceGuid.PcdCpuMaxLogicalProcessorNumber ## CONSUMES
gUefiCpuPkgTokenSpaceGuid.PcdCpuBootLogicalProcessorNumber ## CONSUMES
gUefiCpuPkgTokenSpaceGuid.PcdCpuApInitTimeOutInMicroSeconds ## SOMETIMES_CONSUMES
gUefiCpuPkgTokenSpaceGuid.PcdCpuApStackSize ## CONSUMES
gUefiCpuPkgTokenSpaceGuid.PcdCpuMicrocodePatchAddress ## CONSUMES
@ -78,5 +78,3 @@
gUefiCpuPkgTokenSpaceGuid.PcdGhcbHypervisorFeatures ## CONSUMES
gUefiCpuPkgTokenSpaceGuid.PcdSevEsWorkAreaBase ## SOMETIMES_CONSUMES
gEfiMdeModulePkgTokenSpaceGuid.PcdCpuStackGuard ## CONSUMES
gEfiMdeModulePkgTokenSpaceGuid.PcdGhcbBase ## CONSUMES
gEfiMdePkgTokenSpaceGuid.PcdConfidentialComputingGuestAttr ## CONSUMES

26
UefiCpuPkg/Library/MpInitLib/MpLib.c
View File

@ -9,11 +9,15 @@
**/
#include "MpLib.h"
#include <Library/CcExitLib.h>
#include <Library/PlatformInitLib.h>
#include <Register/Amd/Fam17Msr.h>
#include <Register/Amd/Ghcb.h>
EFI_GUID mCpuInitMpLibHobGuid = CPU_INIT_MP_LIB_HOB_GUID;
EFI_HOB_PLATFORM_INFO *mPlatformInfoHob = NULL;
/**
Save the volatile registers required to be restored following INIT IPI.
@ -521,7 +525,7 @@ CollectProcessorCount (
// FinishedCount is the number of check-in APs.
//
CpuMpData->CpuCount = CpuMpData->FinishedCount + 1;
ASSERT (CpuMpData->CpuCount <= PcdGet32 (PcdCpuMaxLogicalProcessorNumber));
ASSERT (CpuMpData->CpuCount <= mPlatformInfoHob->PcdCpuMaxLogicalProcessorNumber);
//
// Enable x2APIC mode if
@ -1093,7 +1097,7 @@ AllocateResetVectorBelow1Mb (
// of processors for calculating the total stack area.
//
ApResetStackSize = (AP_RESET_STACK_SIZE *
PcdGet32 (PcdCpuMaxLogicalProcessorNumber));
mPlatformInfoHob->PcdCpuMaxLogicalProcessorNumber);
//
// Invoke GetWakeupBuffer a second time to allocate the stack area
@ -1238,7 +1242,7 @@ WakeUpAP (
}
if (CpuMpData->InitFlag == ApInitConfig) {
if (PcdGet32 (PcdCpuBootLogicalProcessorNumber) > 0) {
if (mPlatformInfoHob->PcdCpuBootLogicalProcessorNumber > 0) {
//
// The AP enumeration algorithm below is suitable only when the
// platform can tell us the *exact* boot CPU count in advance.
@ -1254,7 +1258,7 @@ WakeUpAP (
//
TimedWaitForApFinish (
CpuMpData,
PcdGet32 (PcdCpuBootLogicalProcessorNumber) - 1,
mPlatformInfoHob->PcdCpuBootLogicalProcessorNumber - 1,
MAX_UINT32 // approx. 71 minutes
);
} else {
@ -1292,7 +1296,7 @@ WakeUpAP (
//
TimedWaitForApFinish (
CpuMpData,
PcdGet32 (PcdCpuMaxLogicalProcessorNumber) - 1,
mPlatformInfoHob->PcdCpuMaxLogicalProcessorNumber - 1,
PcdGet32 (PcdCpuApInitTimeOutInMicroSeconds)
);
@ -1821,10 +1825,16 @@ MpInitLibInitialize (
UINTN ApResetVectorSizeAbove1Mb;
UINTN BackupBufferAddr;
UINTN ApIdtBase;
EFI_HOB_GUID_TYPE *GuidHob;
GuidHob = GetFirstGuidHob (&gUefiOvmfPkgPlatformInfoGuid);
if (GuidHob != NULL) {
mPlatformInfoHob = (EFI_HOB_PLATFORM_INFO *)(GET_GUID_HOB_DATA (GuidHob));
}
OldCpuMpData = GetCpuMpDataFromGuidedHob ();
if (OldCpuMpData == NULL) {
MaxLogicalProcessorNumber = PcdGet32 (PcdCpuMaxLogicalProcessorNumber);
MaxLogicalProcessorNumber = mPlatformInfoHob->PcdCpuMaxLogicalProcessorNumber;
} else {
MaxLogicalProcessorNumber = OldCpuMpData->CpuCount;
}
@ -1901,7 +1911,7 @@ MpInitLibInitialize (
CpuMpData->SevEsIsEnabled = ConfidentialComputingGuestHas (CCAttrAmdSevEs);
CpuMpData->SevSnpIsEnabled = ConfidentialComputingGuestHas (CCAttrAmdSevSnp);
CpuMpData->SevEsAPBuffer = (UINTN)-1;
CpuMpData->GhcbBase = PcdGet64 (PcdGhcbBase);
CpuMpData->GhcbBase = mPlatformInfoHob->GhcbBase;
CpuMpData->UseSevEsAPMethod = CpuMpData->SevEsIsEnabled && !CpuMpData->SevSnpIsEnabled;
if (CpuMpData->SevSnpIsEnabled) {
@ -2887,7 +2897,7 @@ ConfidentialComputingGuestHas (
//
// Get the current CC attribute.
//
CurrentAttr = PcdGet64 (PcdConfidentialComputingGuestAttr);
CurrentAttr = mPlatformInfoHob->PcdConfidentialComputingGuestAttr;
//
// If attr is for the AMD group then call AMD specific checks.

8
UefiCpuPkg/Library/MpInitLib/PeiMpInitLib.inf
View File

@ -39,8 +39,9 @@
[Packages]
MdePkg/MdePkg.dec
UefiCpuPkg/UefiCpuPkg.dec
MdeModulePkg/MdeModulePkg.dec
OvmfPkg/OvmfPkg.dec
UefiCpuPkg/UefiCpuPkg.dec
[LibraryClasses]
BaseLib
@ -57,8 +58,6 @@
MicrocodeLib
[Pcd]
gUefiCpuPkgTokenSpaceGuid.PcdCpuMaxLogicalProcessorNumber ## CONSUMES
gUefiCpuPkgTokenSpaceGuid.PcdCpuBootLogicalProcessorNumber ## CONSUMES
gUefiCpuPkgTokenSpaceGuid.PcdCpuApInitTimeOutInMicroSeconds ## SOMETIMES_CONSUMES
gUefiCpuPkgTokenSpaceGuid.PcdCpuApStackSize ## CONSUMES
gUefiCpuPkgTokenSpaceGuid.PcdCpuMicrocodePatchAddress ## CONSUMES
@ -67,8 +66,6 @@
gUefiCpuPkgTokenSpaceGuid.PcdCpuApTargetCstate ## SOMETIMES_CONSUMES
gUefiCpuPkgTokenSpaceGuid.PcdSevEsWorkAreaBase ## SOMETIMES_CONSUMES
gUefiCpuPkgTokenSpaceGuid.PcdGhcbHypervisorFeatures ## CONSUMES
gEfiMdeModulePkgTokenSpaceGuid.PcdGhcbBase ## CONSUMES
gEfiMdePkgTokenSpaceGuid.PcdConfidentialComputingGuestAttr ## CONSUMES
[Ppis]
gEdkiiPeiShadowMicrocodePpiGuid ## SOMETIMES_CONSUMES
@ -76,3 +73,4 @@
[Guids]
gEdkiiS3SmmInitDoneGuid
gEdkiiMicrocodePatchHobGuid
gUefiOvmfPkgPlatformInfoGuid ## CONSUMES ## HOB