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/** @file
Copyright (c) 2017, 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 that accompanies this distribution.
The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php.
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include <Uefi.h>
#include <PiDxe.h>
#include <Library/TestPointCheckLib.h>
#include <Library/TestPointLib.h>
#include <Library/DebugLib.h>
#include <Library/UefiLib.h>
#include <Library/PrintLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Protocol/Tcg2Protocol.h>
#include <IndustryStandard/Tpm2Acpi.h>
VOID *
TestPointGetAcpi (
IN UINT32 Signature
);
EFI_STATUS
EFIAPI
TestPointCheckTcgTrustedBoot (
VOID
)
{
EFI_STATUS Status;
EFI_TCG2_PROTOCOL *Tcg2;
EFI_TCG2_BOOT_SERVICE_CAPABILITY ProtocolCapability;
VOID *Acpi;
DEBUG ((DEBUG_INFO, "==== TestPointCheckTcgTrustedBoot - Enter\n"));
Status = gBS->LocateProtocol (&gEfiTcg2ProtocolGuid, NULL, (VOID **)&Tcg2);
if (EFI_ERROR(Status)) {
DEBUG ((DEBUG_ERROR, "Tcg2 Protocol - %r\n", Status));
goto Done;
}
Status = Tcg2->GetCapability (Tcg2, &ProtocolCapability);
if (EFI_ERROR(Status)) {
DEBUG ((DEBUG_ERROR, "Tcg2->GetCapability - %r\n", Status));
goto Done;
}
DEBUG ((DEBUG_INFO, "Capability.Size - 0x%x\n", ProtocolCapability.Size));
DEBUG ((DEBUG_INFO, "StructureVersion - %x.%x\n", ProtocolCapability.StructureVersion.Major, ProtocolCapability.StructureVersion.Minor));
DEBUG ((DEBUG_INFO, "ProtocolVersion - %x.%x\n", ProtocolCapability.ProtocolVersion.Major, ProtocolCapability.ProtocolVersion.Minor));
DEBUG ((DEBUG_INFO, "HashAlgorithmBitmap - 0x%08x\n", ProtocolCapability.HashAlgorithmBitmap));
DEBUG ((DEBUG_INFO, "SupportedEventLogs - 0x%08x\n", ProtocolCapability.SupportedEventLogs));
DEBUG ((DEBUG_INFO, "TPMPresentFlag - %x\n", ProtocolCapability.TPMPresentFlag));
DEBUG ((DEBUG_INFO, "MaxCommandSize - 0x%04x\n", ProtocolCapability.MaxCommandSize));
DEBUG ((DEBUG_INFO, "MaxResponseSize - 0x%04x\n", ProtocolCapability.MaxResponseSize));
DEBUG ((DEBUG_INFO, "ManufacturerID - 0x%08x\n", ProtocolCapability.ManufacturerID));
if ((ProtocolCapability.StructureVersion.Major > 1) ||
(ProtocolCapability.StructureVersion.Minor > 0)) {
DEBUG ((DEBUG_INFO, "NumberOfPCRBanks - 0x%08x\n", ProtocolCapability.NumberOfPCRBanks));
DEBUG ((DEBUG_INFO, "ActivePcrBanks - 0x%08x\n", ProtocolCapability.ActivePcrBanks));
}
if (!ProtocolCapability.TPMPresentFlag) {
DEBUG ((DEBUG_ERROR, "Tcg2 TPMPresentFlag FALSE\n"));
Status = EFI_NOT_FOUND;
}
Acpi = TestPointGetAcpi (EFI_ACPI_5_0_TRUSTED_COMPUTING_PLATFORM_2_TABLE_SIGNATURE);
if (Acpi == NULL) {
DEBUG ((DEBUG_ERROR, "Tcg2 TPM2 table not found\n"));
Status = EFI_NOT_FOUND;
}
Done:
if (EFI_ERROR(Status)) {
TestPointLibAppendErrorString (
PLATFORM_TEST_POINT_ROLE_PLATFORM_IBV,
NULL,
TEST_POINT_BYTE5_READY_TO_BOOT_TCG_TRUSTED_BOOT_ENABLED_ERROR_CODE \
TEST_POINT_READY_TO_BOOT \
TEST_POINT_BYTE5_READY_TO_BOOT_TCG_TRUSTED_BOOT_ENABLED_ERROR_STRING
);
}
DEBUG ((DEBUG_INFO, "==== TestPointCheckTcgTrustedBoot - Exit\n"));
return Status;
}
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