1 /** @file
2   This library is used by other modules to measure data to TPM.
3 
4 Copyright (c) 2012, Intel Corporation. All rights reserved. <BR>
5 This program and the accompanying materials
6 are licensed and made available under the terms and conditions of the BSD License
7 which accompanies this distribution.  The full text of the license may be found at
8 http://opensource.org/licenses/bsd-license.php
9 
10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
12 
13 **/
14 
15 #ifndef _TPM_MEASUREMENT_LIB_H_
16 #define _TPM_MEASUREMENT_LIB_H_
17 
18 /**
19   Tpm measure and log data, and extend the measurement result into a specific PCR.
20 
21   @param[in]  PcrIndex         PCR Index.
22   @param[in]  EventType        Event type.
23   @param[in]  EventLog         Measurement event log.
24   @param[in]  LogLen           Event log length in bytes.
25   @param[in]  HashData         The start of the data buffer to be hashed, extended.
26   @param[in]  HashDataLen      The length, in bytes, of the buffer referenced by HashData
27 
28   @retval EFI_SUCCESS           Operation completed successfully.
29   @retval EFI_UNSUPPORTED       TPM device not available.
30   @retval EFI_OUT_OF_RESOURCES  Out of memory.
31   @retval EFI_DEVICE_ERROR      The operation was unsuccessful.
32 **/
33 EFI_STATUS
34 EFIAPI
35 TpmMeasureAndLogData (
36   IN UINT32             PcrIndex,
37   IN UINT32             EventType,
38   IN VOID               *EventLog,
39   IN UINT32             LogLen,
40   IN VOID               *HashData,
41   IN UINT64             HashDataLen
42   );
43 
44 #endif
45