SecBist.c File Reference

#include "SecMain.h"

Go to the source code of this file.

Functions
EFI_STATUS	GetBistFromHob (IN OUT UINT64 *StructureSize, IN OUT VOID *StructureBuffer)
EFI_STATUS EFIAPI	SecPlatformInformationBist (IN CONST EFI_PEI_SERVICES **PeiServices, IN OUT UINT64 *StructureSize, OUT EFI_SEC_PLATFORM_INFORMATION_RECORD *PlatformInformationRecord)
EFI_STATUS EFIAPI	SecPlatformInformation2Bist (IN CONST EFI_PEI_SERVICES **PeiServices, IN OUT UINT64 *StructureSize, OUT EFI_SEC_PLATFORM_INFORMATION_RECORD2 *PlatformInformationRecord2)
EFI_STATUS	GetBistInfoFromPpi (IN CONST EFI_PEI_SERVICES **PeiServices, IN CONST EFI_GUID *Guid, OUT EFI_PEI_PPI_DESCRIPTOR **PpiDescriptor, OUT VOID **BistInformationData, OUT UINT64 *BistInformationSize OPTIONAL)
VOID	RepublishSecPlatformInformationPpi (VOID)

Variables
EFI_SEC_PLATFORM_INFORMATION_PPI	mSecPlatformInformation
EFI_PEI_PPI_DESCRIPTOR	mPeiSecPlatformInformation
EFI_SEC_PLATFORM_INFORMATION2_PPI	mSecPlatformInformation2
EFI_PEI_PPI_DESCRIPTOR	mPeiSecPlatformInformation2

Detailed Description

Get SEC platform information(2) PPI and reinstall it.

Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file SecBist.c.

Function Documentation

GetBistFromHob()

EFI_STATUS GetBistFromHob	(	IN OUT UINT64 *	StructureSize,
		IN OUT VOID *	StructureBuffer
	)

Worker function to parse CPU BIST information from Guided HOB.

Parameters

[in,out]	StructureSize	Pointer to the variable describing size of the input buffer.
[in,out]	StructureBuffer	Pointer to the buffer save CPU BIST information.

Return values

EFI_SUCCESS	The data was successfully returned.
EFI_BUFFER_TOO_SMALL	The buffer was too small.

Definition at line 42 of file SecBist.c.

GetBistInfoFromPpi()

EFI_STATUS GetBistInfoFromPpi	(	IN CONST EFI_PEI_SERVICES **	PeiServices,
		IN CONST EFI_GUID *	Guid,
		OUT EFI_PEI_PPI_DESCRIPTOR **	PpiDescriptor,
		OUT VOID **	BistInformationData,
		OUT UINT64 *BistInformationSize	OPTIONAL
	)

Worker function to get CPUs' BIST by calling SecPlatformInformationPpi or SecPlatformInformation2Ppi.

Parameters

[in]	PeiServices	Pointer to PEI Services Table
[in]	Guid	PPI Guid
[out]	PpiDescriptor	Return a pointer to instance of the EFI_PEI_PPI_DESCRIPTOR
[out]	BistInformationData	Pointer to BIST information data
[out]	BistInformationSize	Return the size in bytes of BIST information

Return values

EFI_SUCCESS	Retrieve of the BIST data successfully
EFI_NOT_FOUND	No sec platform information(2) ppi export
EFI_DEVICE_ERROR	Failed to get CPU Information

Definition at line 135 of file SecBist.c.

RepublishSecPlatformInformationPpi()

VOID RepublishSecPlatformInformationPpi

(

VOID

)

Get CPUs' BIST by calling SecPlatformInformationPpi/SecPlatformInformation2Ppi.

Definition at line 203 of file SecBist.c.

SecPlatformInformation2Bist()

EFI_STATUS EFIAPI SecPlatformInformation2Bist	(	IN CONST EFI_PEI_SERVICES **	PeiServices,
		IN OUT UINT64 *	StructureSize,
		OUT EFI_SEC_PLATFORM_INFORMATION_RECORD2 *	PlatformInformationRecord2
	)

Implementation of the PlatformInformation2 service in EFI_SEC_PLATFORM_INFORMATION2_PPI.

Parameters

[in]	PeiServices	The pointer to the PEI Services Table.
[in,out]	StructureSize	The pointer to the variable describing size of the input buffer.
[out]	PlatformInformationRecord2	The pointer to the EFI_SEC_PLATFORM_INFORMATION_RECORD2.

Return values

EFI_SUCCESS	The data was successfully returned.
EFI_BUFFER_TOO_SMALL	The buffer was too small. The current buffer size needed to hold the record is returned in StructureSize.

Definition at line 109 of file SecBist.c.

SecPlatformInformationBist()

EFI_STATUS EFIAPI SecPlatformInformationBist	(	IN CONST EFI_PEI_SERVICES **	PeiServices,
		IN OUT UINT64 *	StructureSize,
		OUT EFI_SEC_PLATFORM_INFORMATION_RECORD *	PlatformInformationRecord
	)

Implementation of the PlatformInformation service in EFI_SEC_PLATFORM_INFORMATION_PPI.

Parameters

[in]	PeiServices	Pointer to the PEI Services Table.
[in,out]	StructureSize	Pointer to the variable describing size of the input buffer.
[out]	PlatformInformationRecord	Pointer to the EFI_SEC_PLATFORM_INFORMATION_RECORD.

Return values

EFI_SUCCESS	The data was successfully returned.
EFI_BUFFER_TOO_SMALL	The buffer was too small.

Definition at line 86 of file SecBist.c.

Variable Documentation

mPeiSecPlatformInformation

EFI_PEI_PPI_DESCRIPTOR mPeiSecPlatformInformation

Initial value:

= {
  (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
  &gEfiSecPlatformInformationPpiGuid,
  &mSecPlatformInformation
}

Definition at line 15 of file SecBist.c.

mPeiSecPlatformInformation2

EFI_PEI_PPI_DESCRIPTOR mPeiSecPlatformInformation2

Initial value:

= {
  (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
  &gEfiSecPlatformInformation2PpiGuid,
  &mSecPlatformInformation2
}

Definition at line 25 of file SecBist.c.

mSecPlatformInformation

EFI_SEC_PLATFORM_INFORMATION_PPI mSecPlatformInformation

Initial value:

= {
  SecPlatformInformationBist
}

Definition at line 11 of file SecBist.c.

mSecPlatformInformation2

EFI_SEC_PLATFORM_INFORMATION2_PPI mSecPlatformInformation2

Initial value:

= {
  SecPlatformInformation2Bist
}

Definition at line 21 of file SecBist.c.