Add TPM2 implementation.
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
This commit is contained in:
108
SecurityPkg/Library/Tpm12DeviceLibTcg/Tpm12DeviceLibTcg.c
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108
SecurityPkg/Library/Tpm12DeviceLibTcg/Tpm12DeviceLibTcg.c
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/** @file
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Ihis library is TPM12 TCG protocol lib.
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Copyright (c) 2013, Intel Corporation. All rights reserved. <BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include <Uefi.h>
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#include <Library/BaseLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/DebugLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/Tpm12DeviceLib.h>
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#include <Protocol/TcgService.h>
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#include <IndustryStandard/Tpm12.h>
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EFI_TCG_PROTOCOL *mTcgProtocol = NULL;
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/**
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This service enables the sending of commands to the TPM12.
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@param[in] InputParameterBlockSize Size of the TPM12 input parameter block.
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@param[in] InputParameterBlock Pointer to the TPM12 input parameter block.
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@param[in,out] OutputParameterBlockSize Size of the TPM12 output parameter block.
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@param[in] OutputParameterBlock Pointer to the TPM12 output parameter block.
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@retval EFI_SUCCESS The command byte stream was successfully sent to the device and a response was successfully received.
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@retval EFI_DEVICE_ERROR The command was not successfully sent to the device or a response was not successfully received from the device.
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@retval EFI_BUFFER_TOO_SMALL The output parameter block is too small.
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**/
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EFI_STATUS
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EFIAPI
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Tpm12SubmitCommand (
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IN UINT32 InputParameterBlockSize,
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IN UINT8 *InputParameterBlock,
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IN OUT UINT32 *OutputParameterBlockSize,
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IN UINT8 *OutputParameterBlock
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)
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{
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EFI_STATUS Status;
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TPM_RSP_COMMAND_HDR *Header;
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if (mTcgProtocol == NULL) {
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Status = gBS->LocateProtocol (&gEfiTcgProtocolGuid, NULL, (VOID **) &mTcgProtocol);
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if (EFI_ERROR (Status)) {
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//
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// TCG protocol is not installed. So, TPM12 is not present.
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//
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DEBUG ((EFI_D_ERROR, "Tpm12SubmitCommand - TCG - %r\n", Status));
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return EFI_NOT_FOUND;
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}
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}
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//
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// Assume when TCG Protocol is ready, RequestUseTpm already done.
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//
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Status = mTcgProtocol->PassThroughToTpm (
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mTcgProtocol,
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InputParameterBlockSize,
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InputParameterBlock,
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*OutputParameterBlockSize,
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OutputParameterBlock
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);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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Header = (TPM_RSP_COMMAND_HDR *)OutputParameterBlock;
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*OutputParameterBlockSize = SwapBytes32 (Header->paramSize);
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return EFI_SUCCESS;
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}
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/**
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This service requests use TPM12.
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@retval EFI_SUCCESS Get the control of TPM12 chip.
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@retval EFI_NOT_FOUND TPM12 not found.
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@retval EFI_DEVICE_ERROR Unexpected device behavior.
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**/
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EFI_STATUS
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EFIAPI
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Tpm12RequestUseTpm (
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VOID
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)
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{
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EFI_STATUS Status;
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if (mTcgProtocol == NULL) {
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Status = gBS->LocateProtocol (&gEfiTcgProtocolGuid, NULL, (VOID **) &mTcgProtocol);
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if (EFI_ERROR (Status)) {
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//
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// TCG protocol is not installed. So, TPM12 is not present.
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//
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DEBUG ((EFI_D_ERROR, "Tpm12RequestUseTpm - TCG - %r\n", Status));
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return EFI_NOT_FOUND;
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}
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}
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//
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// Assume when TCG Protocol is ready, RequestUseTpm already done.
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//
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return EFI_SUCCESS;
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}
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42
SecurityPkg/Library/Tpm12DeviceLibTcg/Tpm12DeviceLibTcg.inf
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SecurityPkg/Library/Tpm12DeviceLibTcg/Tpm12DeviceLibTcg.inf
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## @file
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# Ihis library is TPM12 TCG protocol lib.
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#
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# Copyright (c) 2013, Intel Corporation. All rights reserved.<BR>
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# This program and the accompanying materials
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# are licensed and made available under the terms and conditions of the BSD License
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# which accompanies this distribution. The full text of the license may be found at
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# http://opensource.org/licenses/bsd-license.php
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# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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#
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##
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[Defines]
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INF_VERSION = 0x00010005
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BASE_NAME = Tpm12DeviceLibTcg
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FILE_GUID = 4D8B77D9-E923-48f8-B070-4053D78B7E56
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MODULE_TYPE = BASE
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VERSION_STRING = 1.0
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LIBRARY_CLASS = Tpm12DeviceLib|DXE_DRIVER DXE_RUNTIME_DRIVER DXE_SAL_DRIVER UEFI_APPLICATION UEFI_DRIVER
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#
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# The following information is for reference only and not required by the build tools.
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#
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# VALID_ARCHITECTURES = IA32 X64 IPF
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#
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[Sources]
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Tpm12DeviceLibTcg.c
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[Packages]
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MdePkg/MdePkg.dec
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SecurityPkg/SecurityPkg.dec
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[LibraryClasses]
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BaseLib
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BaseMemoryLib
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DebugLib
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UefiBootServicesTableLib
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[Protocols]
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gEfiTcgProtocolGuid ## CONSUMES
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