3 Copyright (c) 2004 - 2015, Intel Corporation. All rights reserved.<BR>
5 This program and the accompanying materials are licensed and made available under
6 the terms and conditions of the BSD License that accompanies this distribution.
7 The full text of the license may be found at
8 http://opensource.org/licenses/bsd-license.php.
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.
15 #ifndef _EFI_PTT_PASS_THRU_H
16 #define _EFI_PTT_PASS_THRU_H
18 #define PTT_PASS_THRU_PROTOCOL_GUID \
20 0x73e2576, 0xf6c1, 0x4b91, 0x92, 0xa9, 0xd4, 0x67, 0x5d, 0xda, 0x34, 0xb1 \
22 // {073E2576-F6C1-4b91-92A9-D4675DDA34B1}
23 //static const GUID <<name>> =
24 //{ 0x73e2576, 0xf6c1, 0x4b91, { 0x92, 0xa9, 0xd4, 0x67, 0x5d, 0xda, 0x34, 0xb1 } };
27 //#define EFI_PTT_PROTOCOL_GUID HECI_PROTOCOL_GUID
29 typedef struct _PTT_PASS_THRU_PROTOCOL PTT_PASS_THRU_PROTOCOL
;
32 This service enables the sending of commands to the TPM2.
34 @param[in] InputParameterBlockSize Size of the TPM2 input parameter block.
35 @param[in] InputParameterBlock Pointer to the TPM2 input parameter block.
36 @param[in,out] OutputParameterBlockSize Size of the TPM2 output parameter block.
37 @param[in] OutputParameterBlock Pointer to the TPM2 output parameter block.
39 @retval EFI_SUCCESS The command byte stream was successfully sent to the device and a response was successfully received.
40 @retval EFI_DEVICE_ERROR The command was not successfully sent to the device or a response was not successfully received from the device.
41 @retval EFI_BUFFER_TOO_SMALL The output parameter block is too small.
45 (EFIAPI
*TPM2_SUBMIT_COMMAND
) (
46 IN PTT_PASS_THRU_PROTOCOL
*This
,
47 IN UINT32 InputParameterBlockSize
,
48 IN UINT8
*InputParameterBlock
,
49 IN OUT UINT32
*OutputParameterBlockSize
,
50 IN UINT8
*OutputParameterBlock
54 This service requests use TPM2.
56 @retval EFI_SUCCESS Get the control of TPM2 chip.
57 @retval EFI_NOT_FOUND TPM2 not found.
58 @retval EFI_DEVICE_ERROR Unexpected device behavior.
62 (EFIAPI
*TPM2_REQUEST_USE_TPM
) (
63 IN PTT_PASS_THRU_PROTOCOL
*This
67 EFI_GUID ProviderGuid
;
68 TPM2_SUBMIT_COMMAND Tpm2SubmitCommand
;
69 TPM2_REQUEST_USE_TPM Tpm2RequestUseTpm
;
70 } PTT_TPM2_DEVICE_INTERFACE
;
74 This service register TPM2 device.
76 @param Tpm2Device TPM2 device
78 @retval EFI_SUCCESS This TPM2 device is registered successfully.
79 @retval EFI_UNSUPPORTED System does not support register this TPM2 device.
80 @retval EFI_ALREADY_STARTED System already register this TPM2 device.
84 (EFIAPI
*TPM2_REGISTER_TPM2_DEVICE_LIB
) (
85 IN PTT_PASS_THRU_PROTOCOL
*This
,
86 IN PTT_TPM2_DEVICE_INTERFACE
*Tpm2Device
89 typedef struct _PTT_PASS_THRU_PROTOCOL
{
90 TPM2_SUBMIT_COMMAND Tpm2SubmitCommand
;
91 TPM2_REQUEST_USE_TPM Tpm2RequestUseTpm
;
92 TPM2_REGISTER_TPM2_DEVICE_LIB Tpm2RegisterTpm2DeviceLib
;
93 } PTT_PASS_THRU_PROTOCOL
;
95 extern EFI_GUID gPttPassThruProtocolGuid
;