c1d932429e
signed off by: jiewen.yao@intel.com reviewed by: guo.dong@intel.com git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14687 6f19259b-4bc3-4df7-8a09-765794883524
115 lines
3.7 KiB
C
115 lines
3.7 KiB
C
/** @file
|
|
Implement TPM2 Miscellanenous related command.
|
|
|
|
Copyright (c) 2013, 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
|
|
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 <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_RH_HIERARCHY_AUTH AuthHandle;
|
|
UINT32 AuthSessionSize;
|
|
TPMS_AUTH_COMMAND AuthSession;
|
|
UINT32 AlgorithmSet;
|
|
} TPM2_SET_ALGORITHM_SET_COMMAND;
|
|
|
|
typedef struct {
|
|
TPM2_RESPONSE_HEADER Header;
|
|
UINT32 AuthSessionSize;
|
|
TPMS_AUTH_RESPONSE AuthSession;
|
|
} TPM2_SET_ALGORITHM_SET_RESPONSE;
|
|
|
|
#pragma pack()
|
|
|
|
/**
|
|
This command allows the platform to change the set of algorithms that are used by the TPM.
|
|
The algorithmSet setting is a vendor-dependent value.
|
|
|
|
@param[in] AuthHandle TPM_RH_PLATFORM
|
|
@param[in] AuthSession Auth Session context
|
|
@param[in] AlgorithmSet A TPM vendor-dependent value indicating the
|
|
algorithm set selection
|
|
|
|
@retval EFI_SUCCESS Operation completed successfully.
|
|
@retval EFI_DEVICE_ERROR Unexpected device behavior.
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
Tpm2SetAlgorithmSet (
|
|
IN TPMI_RH_PLATFORM AuthHandle,
|
|
IN TPMS_AUTH_COMMAND *AuthSession,
|
|
IN UINT32 AlgorithmSet
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
TPM2_SET_ALGORITHM_SET_COMMAND SendBuffer;
|
|
TPM2_SET_ALGORITHM_SET_RESPONSE RecvBuffer;
|
|
UINT32 SendBufferSize;
|
|
UINT32 RecvBufferSize;
|
|
UINT8 *Buffer;
|
|
UINT32 SessionInfoSize;
|
|
|
|
//
|
|
// Construct command
|
|
//
|
|
SendBuffer.Header.tag = SwapBytes16(TPM_ST_SESSIONS);
|
|
SendBuffer.Header.commandCode = SwapBytes32(TPM_CC_SetAlgorithmSet);
|
|
|
|
SendBuffer.AuthHandle = SwapBytes32 (AuthHandle);
|
|
|
|
//
|
|
// Add in Auth session
|
|
//
|
|
Buffer = (UINT8 *)&SendBuffer.AuthSession;
|
|
|
|
// sessionInfoSize
|
|
SessionInfoSize = CopyAuthSessionCommand (AuthSession, Buffer);
|
|
Buffer += SessionInfoSize;
|
|
SendBuffer.AuthSessionSize = SwapBytes32(SessionInfoSize);
|
|
|
|
//
|
|
// Real data
|
|
//
|
|
WriteUnaligned32 ((UINT32 *)Buffer, SwapBytes32(AlgorithmSet));
|
|
Buffer += sizeof(UINT32);
|
|
|
|
SendBufferSize = (UINT32)((UINTN)Buffer - (UINTN)&SendBuffer);
|
|
SendBuffer.Header.paramSize = SwapBytes32 (SendBufferSize);
|
|
|
|
//
|
|
// send Tpm command
|
|
//
|
|
RecvBufferSize = sizeof (RecvBuffer);
|
|
Status = Tpm2SubmitCommand (SendBufferSize, (UINT8 *)&SendBuffer, &RecvBufferSize, (UINT8 *)&RecvBuffer);
|
|
if (EFI_ERROR (Status)) {
|
|
return Status;
|
|
}
|
|
|
|
if (RecvBufferSize < sizeof (TPM2_RESPONSE_HEADER)) {
|
|
DEBUG ((EFI_D_ERROR, "Tpm2SetAlgorithmSet - RecvBufferSize Error - %x\n", RecvBufferSize));
|
|
return EFI_DEVICE_ERROR;
|
|
}
|
|
if (SwapBytes32(RecvBuffer.Header.responseCode) != TPM_RC_SUCCESS) {
|
|
DEBUG ((EFI_D_ERROR, "Tpm2SetAlgorithmSet - responseCode - %x\n", SwapBytes32(RecvBuffer.Header.responseCode)));
|
|
return EFI_DEVICE_ERROR;
|
|
}
|
|
|
|
return EFI_SUCCESS;
|
|
}
|