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UefiCpuPkg/CpuMpPei: Build GUIDed-HOB to store all CPU BIST Data 

Build gEfiSecPlatformInformation2PpiGuid GUIDed-HOB to store all CPU BIST data
that could be used not only by SecPlatformInformation2(), but also by CPU MP Dxe
driver to get CPU BIST data.

Cc: Michael Kinney <michael.d.kinney@intel.com>
Cc: Feng Tian <feng.tian@intel.com>
Cc: Giri P Mudusuru <giri.p.mudusuru@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jeff Fan <jeff.fan@intel.com>
Reviewed-by: Feng Tian <feng.tian@Intel.com>
This commit is contained in:
Jeff Fan 2016-09-09 14:36:39 +08:00
parent 8dc56ddeca
commit 8643299420
3 changed files with 46 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

64
UefiCpuPkg/CpuMpPei/CpuBist.c
View File

@ -44,34 +44,29 @@ SecPlatformInformation2 (
OUT EFI_SEC_PLATFORM_INFORMATION_RECORD2 *PlatformInformationRecord2
)
{
UINTN BistInformationSize;
UINTN CpuIndex;
EFI_SEC_PLATFORM_INFORMATION_CPU *CpuInstance;
EFI_PROCESSOR_INFORMATION ProcessorInfo;
EFI_HEALTH_FLAGS BistData;
UINTN NumberOfProcessors;
UINTN NumberOfEnabledProcessors;
EFI_HOB_GUID_TYPE *GuidHob;
VOID *DataInHob;
UINTN DataSize;
MpInitLibGetNumberOfProcessors(&NumberOfProcessors, &NumberOfEnabledProcessors);
GuidHob = GetFirstGuidHob (&gEfiSecPlatformInformation2PpiGuid);
if (GuidHob == NULL) {
*StructureSize = 0;
return EFI_SUCCESS;
}
DataInHob = GET_GUID_HOB_DATA (GuidHob);
DataSize = GET_GUID_HOB_DATA_SIZE (GuidHob);
BistInformationSize = sizeof (EFI_SEC_PLATFORM_INFORMATION_RECORD2) +
sizeof (EFI_SEC_PLATFORM_INFORMATION_CPU) * NumberOfProcessors;
//
// return the information size if input buffer size is too small
// return the information from BistHob
//
if ((*StructureSize) < (UINT64) BistInformationSize) {
*StructureSize = (UINT64) BistInformationSize;
if ((*StructureSize) < (UINT64) DataSize) {
*StructureSize = (UINT64) DataSize;
return EFI_BUFFER_TOO_SMALL;
}
PlatformInformationRecord2->NumberOfCpus = (UINT32)NumberOfProcessors;
CpuInstance = PlatformInformationRecord2->CpuInstance;
for (CpuIndex = 0; CpuIndex < NumberOfProcessors; CpuIndex ++) {
MpInitLibGetProcessorInfo (CpuIndex, &ProcessorInfo, &BistData);
CpuInstance[CpuIndex].CpuLocation = (UINT32) ProcessorInfo.ProcessorId;
CpuInstance[CpuIndex].InfoRecord.IA32HealthFlags = BistData;
}
*StructureSize = (UINT64) DataSize;
CopyMem (PlatformInformationRecord2, DataInHob, DataSize);
return EFI_SUCCESS;
}
@ -181,14 +176,26 @@ CollectBistDataFromPpi (
EFI_HEALTH_FLAGS BistData;
UINTN NumberOfProcessors;
UINTN NumberOfEnabledProcessors;
UINTN BistInformationSize;
EFI_SEC_PLATFORM_INFORMATION_RECORD2 *PlatformInformationRecord2;
EFI_SEC_PLATFORM_INFORMATION_CPU *CpuInstanceInHob;
MpInitLibGetNumberOfProcessors(&NumberOfProcessors, &NumberOfEnabledProcessors);
BistInformationSize = sizeof (EFI_SEC_PLATFORM_INFORMATION_RECORD2) +
sizeof (EFI_SEC_PLATFORM_INFORMATION_CPU) * NumberOfProcessors;
Status = PeiServicesAllocatePool (
(UINTN) BistInformationSize,
(VOID **) &PlatformInformationRecord2
);
ASSERT_EFI_ERROR (Status);
PlatformInformationRecord2->NumberOfCpus = (UINT32)NumberOfProcessors;
SecPlatformInformation2 = NULL;
SecPlatformInformation = NULL;
NumberOfData = 0;
CpuInstance = NULL;
//
// Get BIST information from Sec Platform Information2 Ppi firstly
//
@ -253,8 +260,21 @@ CollectBistDataFromPpi (
(UINT32) ProcessorInfo.ProcessorId,
BistData
));
CpuInstanceInHob = PlatformInformationRecord2->CpuInstance;
CpuInstanceInHob[ProcessorNumber].CpuLocation = (UINT32) ProcessorInfo.ProcessorId;
CpuInstanceInHob[ProcessorNumber].InfoRecord.IA32HealthFlags = BistData;
}
//
// Build SecPlatformInformation2 PPI GUIDed HOB that also could be consumed
// by CPU MP driver to get CPU BIST data
//
BuildGuidDataHob (
&gEfiSecPlatformInformation2PpiGuid,
PlatformInformationRecord2,
(UINTN) BistInformationSize
);
if (SecPlatformInformation2 != NULL && NumberOfData < NumberOfProcessors) {
//
// Reinstall SecPlatformInformation2 PPI to include new BIST information

1
UefiCpuPkg/CpuMpPei/CpuMpPei.h
View File

@ -31,6 +31,7 @@
#include <Library/ReportStatusCodeLib.h>
#include <Library/CpuExceptionHandlerLib.h>
#include <Library/MpInitLib.h>
#include <Library/BaseMemoryLib.h>
extern EFI_PEI_PPI_DESCRIPTOR mPeiCpuMpPpiDesc;

4
UefiCpuPkg/CpuMpPei/CpuMpPei.inf
View File

@ -47,12 +47,14 @@
ReportStatusCodeLib
CpuExceptionHandlerLib
MpInitLib
BaseMemoryLib
[Ppis]
gEfiPeiMpServicesPpiGuid ## PRODUCES
gEfiSecPlatformInformationPpiGuid ## SOMETIMES_CONSUMES
## SOMETIMES_CONSUMES
## SOMETIMES_PRODUCES
## PRODUCES
## UNDEFINED # HOB
gEfiSecPlatformInformation2PpiGuid
gEfiVectorHandoffInfoPpiGuid ## SOMETIMES_CONSUMES