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1abfa4ce 1/** @file\r
07309c3d 2 This library is intended to be used by BDS modules.\r
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3 This library will execute TPM2 request.\r
4\r
1a2ad3ba 5Copyright (c) 2015 - 2020, Intel Corporation. All rights reserved.<BR>\r
289b714b 6SPDX-License-Identifier: BSD-2-Clause-Patent\r
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7\r
8**/\r
9\r
10#ifndef _TCG2_PHYSICAL_PRESENCE_LIB_H_\r
11#define _TCG2_PHYSICAL_PRESENCE_LIB_H_\r
12\r
13#include <IndustryStandard/Tpm20.h>\r
14#include <IndustryStandard/TcgPhysicalPresence.h>\r
15#include <Protocol/Tcg2Protocol.h>\r
16\r
17//\r
18// UEFI TCG2 library definition bit of the BIOS TPM Management Flags\r
19//\r
20// BIT0 is reserved\r
21#define TCG2_BIOS_TPM_MANAGEMENT_FLAG_PP_REQUIRED_FOR_CLEAR BIT1\r
22// BIT2 is reserved\r
23#define TCG2_LIB_PP_FLAG_RESET_TRACK BIT3\r
24#define TCG2_BIOS_TPM_MANAGEMENT_FLAG_PP_REQUIRED_FOR_TURN_ON BIT4\r
25#define TCG2_BIOS_TPM_MANAGEMENT_FLAG_PP_REQUIRED_FOR_TURN_OFF BIT5\r
26#define TCG2_BIOS_TPM_MANAGEMENT_FLAG_PP_REQUIRED_FOR_CHANGE_EPS BIT6\r
27#define TCG2_BIOS_TPM_MANAGEMENT_FLAG_PP_REQUIRED_FOR_CHANGE_PCRS BIT7\r
28\r
29//\r
30// UEFI TCG2 library definition bit of the BIOS Information Flags\r
31//\r
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32#define TCG2_BIOS_INFORMATION_FLAG_HIERARCHY_CONTROL_STORAGE_DISABLE BIT8\r
33#define TCG2_BIOS_INFORMATION_FLAG_HIERARCHY_CONTROL_ENDORSEMENT_DISABLE BIT9\r
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34\r
35//\r
36// UEFI TCG2 library definition bit of the BIOS Storage Management Flags\r
37//\r
38#define TCG2_BIOS_STORAGE_MANAGEMENT_FLAG_PP_REQUIRED_FOR_ENABLE_BLOCK_SID BIT16\r
39#define TCG2_BIOS_STORAGE_MANAGEMENT_FLAG_PP_REQUIRED_FOR_DISABLE_BLOCK_SID BIT17\r
e92ddda2 40#define TCG2_BIOS_STORAGE_MANAGEMENT_FLAG_ENABLE_BLOCK_SID BIT18\r
1abfa4ce 41\r
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42/**\r
43 Check and execute the pending TPM request.\r
44\r
b3548d32 45 The TPM request may come from OS or BIOS. This API will display request information and wait\r
1abfa4ce 46 for user confirmation if TPM request exists. The TPM request will be sent to TPM device after\r
b3548d32 47 the TPM request is confirmed, and one or more reset may be required to make TPM request to\r
1abfa4ce 48 take effect.\r
b3548d32 49\r
1abfa4ce 50 This API should be invoked after console in and console out are all ready as they are required\r
b3548d32 51 to display request information and get user input to confirm the request.\r
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52\r
53 @param PlatformAuth platform auth value. NULL means no platform auth change.\r
54**/\r
55VOID\r
56EFIAPI\r
57Tcg2PhysicalPresenceLibProcessRequest (\r
58 IN TPM2B_AUTH *PlatformAuth OPTIONAL\r
59 );\r
60\r
61/**\r
62 Check if the pending TPM request needs user input to confirm.\r
63\r
64 The TPM request may come from OS. This API will check if TPM request exists and need user\r
65 input to confirmation.\r
b3548d32 66\r
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67 @retval TRUE TPM needs input to confirm user physical presence.\r
68 @retval FALSE TPM doesn't need input to confirm user physical presence.\r
69\r
70**/\r
71BOOLEAN\r
72EFIAPI\r
73Tcg2PhysicalPresenceLibNeedUserConfirm (\r
74 VOID\r
75 );\r
76\r
77/**\r
78 Return TPM2 ManagementFlags set by PP interface.\r
79\r
80 @retval ManagementFlags TPM2 Management Flags.\r
81**/\r
82UINT32\r
83EFIAPI\r
84Tcg2PhysicalPresenceLibGetManagementFlags (\r
85 VOID\r
86 );\r
87\r
88/**\r
89 The handler for TPM physical presence function:\r
90 Return TPM Operation Response to OS Environment.\r
91\r
92 This API should be invoked in OS runtime phase to interface with ACPI method.\r
93\r
94 @param[out] MostRecentRequest Most recent operation request.\r
95 @param[out] Response Response to the most recent operation request.\r
96\r
97 @return Return Code for Return TPM Operation Response to OS Environment.\r
98**/\r
99UINT32\r
100EFIAPI\r
101Tcg2PhysicalPresenceLibReturnOperationResponseToOsFunction (\r
102 OUT UINT32 *MostRecentRequest,\r
103 OUT UINT32 *Response\r
104 );\r
105\r
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106/**\r
107 The handler for TPM physical presence function:\r
108 Submit TPM Operation Request to Pre-OS Environment and\r
109 Submit TPM Operation Request to Pre-OS Environment 2.\r
110\r
111 This API should be invoked in OS runtime phase to interface with ACPI method.\r
112\r
113 Caution: This function may receive untrusted input.\r
114\r
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115 @param[in, out] Pointer to OperationRequest TPM physical presence operation request.\r
116 @param[in, out] Pointer to RequestParameter TPM physical presence operation request parameter.\r
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117\r
118 @return Return Code for Submit TPM Operation Request to Pre-OS Environment and\r
119 Submit TPM Operation Request to Pre-OS Environment 2.\r
120 **/\r
121UINT32\r
122Tcg2PhysicalPresenceLibSubmitRequestToPreOSFunctionEx (\r
123 IN OUT UINT32 *OperationRequest,\r
124 IN OUT UINT32 *RequestParameter\r
125 );\r
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126\r
127/**\r
128 The handler for TPM physical presence function:\r
129 Submit TPM Operation Request to Pre-OS Environment and\r
130 Submit TPM Operation Request to Pre-OS Environment 2.\r
131\r
132 This API should be invoked in OS runtime phase to interface with ACPI method.\r
133\r
134 Caution: This function may receive untrusted input.\r
edb0fda2 135\r
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136 @param[in] OperationRequest TPM physical presence operation request.\r
137 @param[in] RequestParameter TPM physical presence operation request parameter.\r
138\r
139 @return Return Code for Submit TPM Operation Request to Pre-OS Environment and\r
140 Submit TPM Operation Request to Pre-OS Environment 2.\r
141**/\r
142UINT32\r
143EFIAPI\r
144Tcg2PhysicalPresenceLibSubmitRequestToPreOSFunction (\r
145 IN UINT32 OperationRequest,\r
146 IN UINT32 RequestParameter\r
147 );\r
148\r
149/**\r
150 The handler for TPM physical presence function:\r
151 Get User Confirmation Status for Operation.\r
152\r
153 This API should be invoked in OS runtime phase to interface with ACPI method.\r
154\r
155 Caution: This function may receive untrusted input.\r
b3548d32 156\r
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157 @param[in] OperationRequest TPM physical presence operation request.\r
158\r
159 @return Return Code for Get User Confirmation Status for Operation.\r
160**/\r
161UINT32\r
162EFIAPI\r
163Tcg2PhysicalPresenceLibGetUserConfirmationStatusFunction (\r
164 IN UINT32 OperationRequest\r
165 );\r
166\r
167#endif\r