diff options
| author | jyao1 <jyao1> | 2013-09-18 05:31:18 +0000 |
|---|---|---|
| committer | jyao1 <jyao1@6f19259b-4bc3-4df7-8a09-765794883524> | 2013-09-18 05:31:18 +0000 |
| commit | c1d932429ef9700a2da64452546be14e92468b07 (patch) | |
| tree | 5f2c09763c54a953d5525b6b5da48634992c2aa0 /SecurityPkg/Library/Tpm12DeviceLibTcg | |
| parent | 2e61fb38b6aaa17d22f1bf72332ccd4bc2f780eb (diff) | |
| download | edk2-platforms-c1d932429ef9700a2da64452546be14e92468b07.tar.xz | |
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
Diffstat (limited to 'SecurityPkg/Library/Tpm12DeviceLibTcg')
| -rw-r--r-- | SecurityPkg/Library/Tpm12DeviceLibTcg/Tpm12DeviceLibTcg.c | 108 | ||||
| -rw-r--r-- | SecurityPkg/Library/Tpm12DeviceLibTcg/Tpm12DeviceLibTcg.inf | 42 |
2 files changed, 150 insertions, 0 deletions
diff --git a/SecurityPkg/Library/Tpm12DeviceLibTcg/Tpm12DeviceLibTcg.c b/SecurityPkg/Library/Tpm12DeviceLibTcg/Tpm12DeviceLibTcg.c new file mode 100644 index 0000000000..6b793bf6be --- /dev/null +++ b/SecurityPkg/Library/Tpm12DeviceLibTcg/Tpm12DeviceLibTcg.c @@ -0,0 +1,108 @@ +/** @file
+ Ihis library is TPM12 TCG protocol lib.
+
+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 <Uefi.h>
+#include <Library/BaseLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/DebugLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/Tpm12DeviceLib.h>
+#include <Protocol/TcgService.h>
+#include <IndustryStandard/Tpm12.h>
+
+EFI_TCG_PROTOCOL *mTcgProtocol = NULL;
+
+/**
+ This service enables the sending of commands to the TPM12.
+
+ @param[in] InputParameterBlockSize Size of the TPM12 input parameter block.
+ @param[in] InputParameterBlock Pointer to the TPM12 input parameter block.
+ @param[in,out] OutputParameterBlockSize Size of the TPM12 output parameter block.
+ @param[in] OutputParameterBlock Pointer to the TPM12 output parameter block.
+
+ @retval EFI_SUCCESS The command byte stream was successfully sent to the device and a response was successfully received.
+ @retval EFI_DEVICE_ERROR The command was not successfully sent to the device or a response was not successfully received from the device.
+ @retval EFI_BUFFER_TOO_SMALL The output parameter block is too small.
+**/
+EFI_STATUS
+EFIAPI
+Tpm12SubmitCommand (
+ IN UINT32 InputParameterBlockSize,
+ IN UINT8 *InputParameterBlock,
+ IN OUT UINT32 *OutputParameterBlockSize,
+ IN UINT8 *OutputParameterBlock
+ )
+{
+ EFI_STATUS Status;
+ TPM_RSP_COMMAND_HDR *Header;
+
+ if (mTcgProtocol == NULL) {
+ Status = gBS->LocateProtocol (&gEfiTcgProtocolGuid, NULL, (VOID **) &mTcgProtocol);
+ if (EFI_ERROR (Status)) {
+ //
+ // TCG protocol is not installed. So, TPM12 is not present.
+ //
+ DEBUG ((EFI_D_ERROR, "Tpm12SubmitCommand - TCG - %r\n", Status));
+ return EFI_NOT_FOUND;
+ }
+ }
+ //
+ // Assume when TCG Protocol is ready, RequestUseTpm already done.
+ //
+ Status = mTcgProtocol->PassThroughToTpm (
+ mTcgProtocol,
+ InputParameterBlockSize,
+ InputParameterBlock,
+ *OutputParameterBlockSize,
+ OutputParameterBlock
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ Header = (TPM_RSP_COMMAND_HDR *)OutputParameterBlock;
+ *OutputParameterBlockSize = SwapBytes32 (Header->paramSize);
+
+ return EFI_SUCCESS;
+}
+
+/**
+ This service requests use TPM12.
+
+ @retval EFI_SUCCESS Get the control of TPM12 chip.
+ @retval EFI_NOT_FOUND TPM12 not found.
+ @retval EFI_DEVICE_ERROR Unexpected device behavior.
+**/
+EFI_STATUS
+EFIAPI
+Tpm12RequestUseTpm (
+ VOID
+ )
+{
+ EFI_STATUS Status;
+
+ if (mTcgProtocol == NULL) {
+ Status = gBS->LocateProtocol (&gEfiTcgProtocolGuid, NULL, (VOID **) &mTcgProtocol);
+ if (EFI_ERROR (Status)) {
+ //
+ // TCG protocol is not installed. So, TPM12 is not present.
+ //
+ DEBUG ((EFI_D_ERROR, "Tpm12RequestUseTpm - TCG - %r\n", Status));
+ return EFI_NOT_FOUND;
+ }
+ }
+ //
+ // Assume when TCG Protocol is ready, RequestUseTpm already done.
+ //
+ return EFI_SUCCESS;
+}
diff --git a/SecurityPkg/Library/Tpm12DeviceLibTcg/Tpm12DeviceLibTcg.inf b/SecurityPkg/Library/Tpm12DeviceLibTcg/Tpm12DeviceLibTcg.inf new file mode 100644 index 0000000000..7ab5217bcf --- /dev/null +++ b/SecurityPkg/Library/Tpm12DeviceLibTcg/Tpm12DeviceLibTcg.inf @@ -0,0 +1,42 @@ +## @file
+# Ihis library is TPM12 TCG protocol lib.
+#
+# 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.
+#
+##
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = Tpm12DeviceLibTcg
+ FILE_GUID = 4D8B77D9-E923-48f8-B070-4053D78B7E56
+ MODULE_TYPE = BASE
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = Tpm12DeviceLib|DXE_DRIVER DXE_RUNTIME_DRIVER DXE_SAL_DRIVER UEFI_APPLICATION UEFI_DRIVER
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+# VALID_ARCHITECTURES = IA32 X64 IPF
+#
+
+[Sources]
+ Tpm12DeviceLibTcg.c
+
+[Packages]
+ MdePkg/MdePkg.dec
+ SecurityPkg/SecurityPkg.dec
+
+[LibraryClasses]
+ BaseLib
+ BaseMemoryLib
+ DebugLib
+ UefiBootServicesTableLib
+
+[Protocols]
+ gEfiTcgProtocolGuid ## CONSUMES
|