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UefiCpuPkg/CpuDxe: Get CPU BIST information from Guided HOB

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Get CPU BIST information from gEfiSecPlatformInformation2PpiGuid or
gEfiSecPlatformInformationPpiGuid Guided HOB and update the CPU healthy status
for CPU MP Service.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jeff Fan <jeff.fan@intel.com>
Reviewed-by: Feng Tian <feng.tian@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17641 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Jeff Fan
2015-06-16 02:55:54 +00:00
committed by vanjeff
parent 8c5f799b4f
commit db61e16308
4 changed files with 108 additions and 9 deletions
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90
UefiCpuPkg/CpuDxe/CpuMp.c
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@@ -1,7 +1,7 @@
/** @file
CPU DXE Module.
Copyright (c) 2008 - 2014, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2008 - 2015, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@@ -1520,6 +1520,89 @@ InitMpSystemData (
return EFI_SUCCESS;
}
/**
Collects BIST data from HOB.
This function collects BIST data from HOB built from Sec Platform Information
PPI or SEC Platform Information2 PPI.
**/
VOID
CollectBistDataFromHob (
VOID
)
{
EFI_HOB_GUID_TYPE *GuidHob;
EFI_SEC_PLATFORM_INFORMATION_RECORD2 *SecPlatformInformation2;
EFI_SEC_PLATFORM_INFORMATION_RECORD *SecPlatformInformation;
UINTN NumberOfData;
EFI_SEC_PLATFORM_INFORMATION_CPU *CpuInstance;
EFI_SEC_PLATFORM_INFORMATION_CPU BspCpuInstance;
UINTN ProcessorNumber;
UINT32 InitialLocalApicId;
CPU_DATA_BLOCK *CpuData;
SecPlatformInformation2 = NULL;
SecPlatformInformation = NULL;
//
// Get gEfiSecPlatformInformation2PpiGuid Guided HOB firstly
//
GuidHob = GetFirstGuidHob (&gEfiSecPlatformInformation2PpiGuid);
if (GuidHob != NULL) {
//
// Sec Platform Information2 PPI includes BSP/APs' BIST information
//
SecPlatformInformation2 = GET_GUID_HOB_DATA (GuidHob);
NumberOfData = SecPlatformInformation2->NumberOfCpus;
CpuInstance = SecPlatformInformation2->CpuInstance;
} else {
//
// Otherwise, get gEfiSecPlatformInformationPpiGuid Guided HOB
//
GuidHob = GetFirstGuidHob (&gEfiSecPlatformInformationPpiGuid);
if (GuidHob != NULL) {
SecPlatformInformation = GET_GUID_HOB_DATA (GuidHob);
NumberOfData = 1;
//
// SEC Platform Information only includes BSP's BIST information
// does not have BSP's APIC ID
//
BspCpuInstance.CpuLocation = GetApicId ();
BspCpuInstance.InfoRecord.IA32HealthFlags.Uint32 = SecPlatformInformation->IA32HealthFlags.Uint32;
CpuInstance = &BspCpuInstance;
} else {
DEBUG ((EFI_D_INFO, "Does not find any HOB stored CPU BIST information!\n"));
//
// Does not find any HOB stored BIST information
//
return;
}
}
while (NumberOfData--) {
for (ProcessorNumber = 0; ProcessorNumber < mMpSystemData.NumberOfProcessors; ProcessorNumber++) {
CpuData = &mMpSystemData.CpuDatas[ProcessorNumber];
InitialLocalApicId = (UINT32) CpuData->Info.ProcessorId;
if (InitialLocalApicId == CpuInstance[NumberOfData].CpuLocation) {
//
// Update CPU health status for MP Services Protocol according to BIST data.
//
if (CpuInstance[NumberOfData].InfoRecord.IA32HealthFlags.Uint32 != 0) {
CpuData->Info.StatusFlag &= ~PROCESSOR_HEALTH_STATUS_BIT;
//
// Report Status Code that self test is failed
//
REPORT_STATUS_CODE (
EFI_ERROR_CODE | EFI_ERROR_MAJOR,
(EFI_COMPUTING_UNIT_HOST_PROCESSOR | EFI_CU_HP_EC_SELF_TEST)
);
}
}
}
}
}
/**
Callback function for ExitBootServices.
@@ -1597,6 +1680,11 @@ InitializeMpSupport (
mAPsAlreadyInitFinished = TRUE;
//
// Update CPU healthy information from Guided HOB
//
CollectBistDataFromHob ();
Status = gBS->InstallMultipleProtocolInterfaces (
&mMpServiceHandle,
&gEfiMpServiceProtocolGuid, &mMpServicesTemplate,