blob: e9de93e1d9b526b9739e943067d3f142a4f66280 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
/** @file
This library abstract how to access TPM12 hardware device.
Copyright (c) 2013 - 2018, Intel Corporation. All rights reserved. <BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef _TPM12_DEVICE_LIB_H_
#define _TPM12_DEVICE_LIB_H_
#include <IndustryStandard/Tpm12.h>
/**
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
);
/**
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
);
#endif
|