audk/SecurityPkg/Library/Tpm2CommandLib/Tpm2Test.c

61 lines
1.7 KiB
C

/** @file
Implement TPM2 Test related command.
Copyright (c) 2013, Intel Corporation. All rights reserved. <BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include <IndustryStandard/UefiTcgPlatform.h>
#include <Library/Tpm2CommandLib.h>
#include <Library/Tpm2DeviceLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/BaseLib.h>
#include <Library/DebugLib.h>
#pragma pack(1)
typedef struct {
TPM2_COMMAND_HEADER Header;
TPMI_YES_NO FullTest;
} TPM2_SELF_TEST_COMMAND;
typedef struct {
TPM2_RESPONSE_HEADER Header;
} TPM2_SELF_TEST_RESPONSE;
#pragma pack()
/**
This command causes the TPM to perform a test of its capabilities.
If the fullTest is YES, the TPM will test all functions.
If fullTest = NO, the TPM will only test those functions that have not previously been tested.
@param[in] FullTest YES if full test to be performed
NO if only test of untested functions required
@retval EFI_SUCCESS Operation completed successfully.
@retval EFI_DEVICE_ERROR Unexpected device behavior.
**/
EFI_STATUS
EFIAPI
Tpm2SelfTest (
IN TPMI_YES_NO FullTest
)
{
EFI_STATUS Status;
TPM2_SELF_TEST_COMMAND Cmd;
TPM2_SELF_TEST_RESPONSE Res;
UINT32 ResultBufSize;
Cmd.Header.tag = SwapBytes16 (TPM_ST_NO_SESSIONS);
Cmd.Header.paramSize = SwapBytes32 (sizeof (Cmd));
Cmd.Header.commandCode = SwapBytes32 (TPM_CC_SelfTest);
Cmd.FullTest = FullTest;
ResultBufSize = sizeof (Res);
Status = Tpm2SubmitCommand (sizeof (Cmd), (UINT8 *)&Cmd, &ResultBufSize, (UINT8 *)&Res);
return Status;
}