1 files changed, 63 insertions, 0 deletions
diff --git a/MdePkg/Include/Ppi/Tcg2Measure.h b/MdePkg/Include/Ppi/Tcg2Measure.h
new file mode 100644
index 0000000000..1ca3325795
--- /dev/null
+++ b/MdePkg/Include/Ppi/Tcg2Measure.h
@@ -0,0 +1,63 @@
+/** @file
+  This file provides function for TCG2 measure in PEI phase.
+
+  Copyright (c) 2018, 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.             
+
+**/
+
+#ifndef __TCG2_MEASURE_PPI_H__
+#define __TCG2_MEASURE_PPI_H__
+
+///
+/// The GUID is used to identify TCG2 Measure PPI.
+/// 
+typedef struct _EFI_PEI_TCG2_MEASURE_PPI   EFI_PEI_TCG2_MEASURE_PPI;
+
+
+/**
+  The EFI_TCG2_MEASURE_PPI. HashLogExtendEvent function call provides callers with
+  an opportunity to extend and optionally log events without requiring
+  knowledge of actual TPM commands. 
+  The extend operation will occur even if this function cannot create an event
+  log entry. The interface is designed to be called before Memory Ready
+
+  @param[in]  This                Points to this instance of the
+                                EFI_PEI_FIRMWARE_VOLUME_PPI.
+  @param[in]  Flags              Bitmap providing additional information. Defined in Tcg2Protocol.h
+  @param[in]  DataToHash         Physical address of the start of the data buffer to be hashed. 
+  @param[in]  DataToHashLen      The length in bytes of the buffer referenced by DataToHash.
+  @param[in]  Event              Pointer to data buffer containing information about the event.
+
+  @retval EFI_SUCCESS            Operation completed successfully.
+  @retval EFI_DEVICE_ERROR       The command was unsuccessful.
+  @retval EFI_VOLUME_FULL        The extend operation occurred, but the event could not be written to one or more event logs.
+  @retval EFI_INVALID_PARAMETER  One or more of the parameters are incorrect.
+  
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_PEI_TCG2_HASH_LOG_EXTEND_EVENT)(
+  IN  UINT64                           Flags,
+  IN  UINT8                            *HashData,
+  IN  UINTN                            HashDataLen,
+  IN  EFI_TCG2_EVENT                   *Event
+);
+
+
+///
+/// This file provides function for TCG2 measure in PEI phase.
+///
+struct _EFI_PEI_TCG2_MEASURE_PPI {
+  EFI_PEI_TCG2_HASH_LOG_EXTEND_EVENT       HashLogExtendEvent;
+};
+
+extern EFI_GUID gEdkiiTcg2MeasurePpiGuid;
+
+#endif