[PATCH v4 5/6] SecurityPkg/PeiTpmMeasurementLib: Add PEI instance.

["Qi Zhang" <qi1.zhang@intel.com>]

From: Jiewen Yao <jiewen.yao@intel.com>

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2841

Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Qi Zhang <qi1.zhang@intel.com>
Signed-off-by: Jiewen Yao <jiewen.yao@intel.com>
---
 .../PeiTpmMeasurementLib.c                    | 74 +++++++++++++++++++
 .../PeiTpmMeasurementLib.inf                  | 50 +++++++++++++
 .../PeiTpmMeasurementLib.uni                  | 17 +++++
 3 files changed, 141 insertions(+)
 create mode 100644 SecurityPkg/Library/PeiTpmMeasurementLib/PeiTpmMeasurementLib.c
 create mode 100644 SecurityPkg/Library/PeiTpmMeasurementLib/PeiTpmMeasurementLib.inf
 create mode 100644 SecurityPkg/Library/PeiTpmMeasurementLib/PeiTpmMeasurementLib.uni

diff --git a/SecurityPkg/Library/PeiTpmMeasurementLib/PeiTpmMeasurementLib.c b/SecurityPkg/Library/PeiTpmMeasurementLib/PeiTpmMeasurementLib.c
new file mode 100644
index 0000000000..1a590e0c9e
--- /dev/null
+++ b/SecurityPkg/Library/PeiTpmMeasurementLib/PeiTpmMeasurementLib.c
@@ -0,0 +1,74 @@
+/** @file
+  This library is used by other modules to measure data to TPM.
+
+Copyright (c) 2020, Intel Corporation. All rights reserved. <BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <PiPei.h>
+
+#include <Library/BaseMemoryLib.h>
+#include <Library/PeiServicesLib.h>
+#include <Library/PeiServicesTablePointerLib.h>
+#include <Library/DebugLib.h>
+#include <Library/HobLib.h>
+#include <Library/TpmMeasurementLib.h>
+
+#include <Ppi/Tcg.h>
+#include <IndustryStandard/UefiTcgPlatform.h>
+
+/**
+  Tpm measure and log data, and extend the measurement result into a specific PCR.
+
+  @param[in]  PcrIndex         PCR Index.
+  @param[in]  EventType        Event type.
+  @param[in]  EventLog         Measurement event log.
+  @param[in]  LogLen           Event log length in bytes.
+  @param[in]  HashData         The start of the data buffer to be hashed, extended.
+  @param[in]  HashDataLen      The length, in bytes, of the buffer referenced by HashData
+
+  @retval EFI_SUCCESS               Operation completed successfully.
+  @retval EFI_UNSUPPORTED       TPM device not available.
+  @retval EFI_OUT_OF_RESOURCES  Out of memory.
+  @retval EFI_DEVICE_ERROR      The operation was unsuccessful.
+**/
+EFI_STATUS
+EFIAPI
+TpmMeasureAndLogData (
+  IN UINT32             PcrIndex,
+  IN UINT32             EventType,
+  IN VOID               *EventLog,
+  IN UINT32             LogLen,
+  IN VOID               *HashData,
+  IN UINT64             HashDataLen
+  )
+{
+  EFI_STATUS                Status;
+  EDKII_TCG_PPI             *TcgPpi;
+  TCG_PCR_EVENT_HDR         TcgEventHdr;
+
+  Status = PeiServicesLocatePpi(
+             &gEdkiiTcgPpiGuid,
+             0,
+             NULL,
+             (VOID**)&TcgPpi
+             );
+  if (EFI_ERROR(Status)) {
+    return Status;
+  }
+
+  TcgEventHdr.PCRIndex  = PcrIndex;
+  TcgEventHdr.EventType = EventType;
+  TcgEventHdr.EventSize = LogLen;
+
+  Status = TcgPpi->HashLogExtendEvent (
+                     TcgPpi,
+                     0,
+                     HashData,
+                     (UINTN)HashDataLen,
+                     &TcgEventHdr,
+                     EventLog
+                     );
+  return Status;
+}
diff --git a/SecurityPkg/Library/PeiTpmMeasurementLib/PeiTpmMeasurementLib.inf b/SecurityPkg/Library/PeiTpmMeasurementLib/PeiTpmMeasurementLib.inf
new file mode 100644
index 0000000000..6625d0fd01
--- /dev/null
+++ b/SecurityPkg/Library/PeiTpmMeasurementLib/PeiTpmMeasurementLib.inf
@@ -0,0 +1,50 @@
+## @file
+#  Provides TPM measurement functions for TPM1.2 and TPM 2.0
+#
+#  This library provides TpmMeasureAndLogData() to measure and log data, and
+#  extend the measurement result into a specific PCR.
+#
+# Copyright (c) 2020, Intel Corporation. All rights reserved.<BR>
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+  INF_VERSION                    = 0x00010005
+  BASE_NAME                      = PeiTpmMeasurementLib
+  FILE_GUID                      = 9A62C49D-C45A-4322-9F3C-45958DF0056B
+  MODULE_TYPE                    = PEIM
+  VERSION_STRING                 = 1.0
+  LIBRARY_CLASS                  = TpmMeasurementLib|PEIM
+  MODULE_UNI_FILE                = PeiTpmMeasurementLib.uni
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+#  VALID_ARCHITECTURES           = IA32 X64
+#
+
+[Sources]
+  PeiTpmMeasurementLib.c
+
+[Packages]
+  MdePkg/MdePkg.dec
+  MdeModulePkg/MdeModulePkg.dec
+  SecurityPkg/SecurityPkg.dec
+
+[LibraryClasses]
+  BaseLib
+  BaseMemoryLib
+  HobLib
+  DebugLib
+  PcdLib
+  PrintLib
+  PeiServicesLib
+  PeiServicesTablePointerLib
+
+[Ppis]
+  gEdkiiTcgPpiGuid                                                     ## CONSUMES
+
+[Depex]
+  gEfiPeiMasterBootModePpiGuid AND
+  gEfiTpmDeviceSelectedGuid
diff --git a/SecurityPkg/Library/PeiTpmMeasurementLib/PeiTpmMeasurementLib.uni b/SecurityPkg/Library/PeiTpmMeasurementLib/PeiTpmMeasurementLib.uni
new file mode 100644
index 0000000000..7b4341b449
--- /dev/null
+++ b/SecurityPkg/Library/PeiTpmMeasurementLib/PeiTpmMeasurementLib.uni
@@ -0,0 +1,17 @@
+// /** @file
+// Provides TPM measurement functions for TPM1.2 and TPM 2.0
+//
+// This library provides TpmMeasureAndLogData() to to measure and log data, and
+// extend the measurement result into a specific PCR.
+//
+// Copyright (c) 2020, Intel Corporation. All rights reserved.<BR>
+//
+// SPDX-License-Identifier: BSD-2-Clause-Patent
+//
+// **/
+
+
+#string STR_MODULE_ABSTRACT             #language en-US "Provides TPM measurement functions for TPM1.2 and TPM 2.0"
+
+#string STR_MODULE_DESCRIPTION          #language en-US "This library provides TpmMeasureAndLogData() to to measure and log data, and extend the measurement result into a specific PCR."
+
-- 
2.26.2.windows.1