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1 | /** @file\r | |
2 | This library is intended to be used by BDS modules.\r | |
3 | This library will execute TPM2 request.\r | |
4 | \r | |
5 | Copyright (c) 2015 - 2016, Intel Corporation. All rights reserved.<BR>\r | |
6 | This program and the accompanying materials \r | |
7 | are licensed and made available under the terms and conditions of the BSD License \r | |
8 | which accompanies this distribution. The full text of the license may be found at \r | |
9 | http://opensource.org/licenses/bsd-license.php\r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
13 | \r | |
14 | **/\r | |
15 | \r | |
16 | #ifndef _TCG2_PHYSICAL_PRESENCE_LIB_H_\r | |
17 | #define _TCG2_PHYSICAL_PRESENCE_LIB_H_\r | |
18 | \r | |
19 | #include <IndustryStandard/Tpm20.h>\r | |
20 | #include <IndustryStandard/TcgPhysicalPresence.h>\r | |
21 | #include <Protocol/Tcg2Protocol.h>\r | |
22 | \r | |
23 | //\r | |
24 | // UEFI TCG2 library definition bit of the BIOS TPM Management Flags\r | |
25 | //\r | |
26 | // BIT0 is reserved\r | |
27 | #define TCG2_BIOS_TPM_MANAGEMENT_FLAG_PP_REQUIRED_FOR_CLEAR BIT1\r | |
28 | // BIT2 is reserved\r | |
29 | #define TCG2_LIB_PP_FLAG_RESET_TRACK BIT3\r | |
30 | #define TCG2_BIOS_TPM_MANAGEMENT_FLAG_PP_REQUIRED_FOR_TURN_ON BIT4\r | |
31 | #define TCG2_BIOS_TPM_MANAGEMENT_FLAG_PP_REQUIRED_FOR_TURN_OFF BIT5\r | |
32 | #define TCG2_BIOS_TPM_MANAGEMENT_FLAG_PP_REQUIRED_FOR_CHANGE_EPS BIT6\r | |
33 | #define TCG2_BIOS_TPM_MANAGEMENT_FLAG_PP_REQUIRED_FOR_CHANGE_PCRS BIT7\r | |
34 | \r | |
35 | //\r | |
36 | // UEFI TCG2 library definition bit of the BIOS Information Flags\r | |
37 | //\r | |
38 | #define TCG2_BIOS_INFORMATION_FLAG_HIERACHY_CONTROL_STORAGE_DISABLE BIT8\r | |
39 | #define TCG2_BIOS_INFORMATION_FLAG_HIERACHY_CONTROL_ENDORSEMENT_DISABLE BIT9\r | |
40 | \r | |
41 | //\r | |
42 | // UEFI TCG2 library definition bit of the BIOS Storage Management Flags\r | |
43 | //\r | |
44 | #define TCG2_BIOS_STORAGE_MANAGEMENT_FLAG_PP_REQUIRED_FOR_ENABLE_BLOCK_SID BIT16\r | |
45 | #define TCG2_BIOS_STORAGE_MANAGEMENT_FLAG_PP_REQUIRED_FOR_DISABLE_BLOCK_SID BIT17\r | |
46 | \r | |
47 | //\r | |
48 | // Default value\r | |
49 | //\r | |
50 | #define TCG2_BIOS_TPM_MANAGEMENT_FLAG_DEFAULT (TCG2_BIOS_TPM_MANAGEMENT_FLAG_PP_REQUIRED_FOR_TURN_OFF | \\r | |
51 | TCG2_BIOS_TPM_MANAGEMENT_FLAG_PP_REQUIRED_FOR_CLEAR | \\r | |
52 | TCG2_BIOS_TPM_MANAGEMENT_FLAG_PP_REQUIRED_FOR_CHANGE_EPS | \\r | |
53 | TCG2_BIOS_TPM_MANAGEMENT_FLAG_PP_REQUIRED_FOR_CHANGE_PCRS)\r | |
54 | \r | |
55 | /**\r | |
56 | Check and execute the pending TPM request.\r | |
57 | \r | |
58 | The TPM request may come from OS or BIOS. This API will display request information and wait \r | |
59 | for user confirmation if TPM request exists. The TPM request will be sent to TPM device after\r | |
60 | the TPM request is confirmed, and one or more reset may be required to make TPM request to \r | |
61 | take effect.\r | |
62 | \r | |
63 | This API should be invoked after console in and console out are all ready as they are required\r | |
64 | to display request information and get user input to confirm the request. \r | |
65 | \r | |
66 | @param PlatformAuth platform auth value. NULL means no platform auth change.\r | |
67 | **/\r | |
68 | VOID\r | |
69 | EFIAPI\r | |
70 | Tcg2PhysicalPresenceLibProcessRequest (\r | |
71 | IN TPM2B_AUTH *PlatformAuth OPTIONAL\r | |
72 | );\r | |
73 | \r | |
74 | /**\r | |
75 | Check if the pending TPM request needs user input to confirm.\r | |
76 | \r | |
77 | The TPM request may come from OS. This API will check if TPM request exists and need user\r | |
78 | input to confirmation.\r | |
79 | \r | |
80 | @retval TRUE TPM needs input to confirm user physical presence.\r | |
81 | @retval FALSE TPM doesn't need input to confirm user physical presence.\r | |
82 | \r | |
83 | **/\r | |
84 | BOOLEAN\r | |
85 | EFIAPI\r | |
86 | Tcg2PhysicalPresenceLibNeedUserConfirm (\r | |
87 | VOID\r | |
88 | );\r | |
89 | \r | |
90 | /**\r | |
91 | Return TPM2 ManagementFlags set by PP interface.\r | |
92 | \r | |
93 | @retval ManagementFlags TPM2 Management Flags.\r | |
94 | **/\r | |
95 | UINT32\r | |
96 | EFIAPI\r | |
97 | Tcg2PhysicalPresenceLibGetManagementFlags (\r | |
98 | VOID\r | |
99 | );\r | |
100 | \r | |
101 | /**\r | |
102 | The handler for TPM physical presence function:\r | |
103 | Return TPM Operation Response to OS Environment.\r | |
104 | \r | |
105 | This API should be invoked in OS runtime phase to interface with ACPI method.\r | |
106 | \r | |
107 | @param[out] MostRecentRequest Most recent operation request.\r | |
108 | @param[out] Response Response to the most recent operation request.\r | |
109 | \r | |
110 | @return Return Code for Return TPM Operation Response to OS Environment.\r | |
111 | **/\r | |
112 | UINT32\r | |
113 | EFIAPI\r | |
114 | Tcg2PhysicalPresenceLibReturnOperationResponseToOsFunction (\r | |
115 | OUT UINT32 *MostRecentRequest,\r | |
116 | OUT UINT32 *Response\r | |
117 | );\r | |
118 | \r | |
119 | /**\r | |
120 | The handler for TPM physical presence function:\r | |
121 | Submit TPM Operation Request to Pre-OS Environment and\r | |
122 | Submit TPM Operation Request to Pre-OS Environment 2.\r | |
123 | \r | |
124 | This API should be invoked in OS runtime phase to interface with ACPI method.\r | |
125 | \r | |
126 | Caution: This function may receive untrusted input.\r | |
127 | \r | |
128 | @param[in out] Pointer to OperationRequest TPM physical presence operation request.\r | |
129 | @param[in out] Pointer to RequestParameter TPM physical presence operation request parameter.\r | |
130 | \r | |
131 | @return Return Code for Submit TPM Operation Request to Pre-OS Environment and\r | |
132 | Submit TPM Operation Request to Pre-OS Environment 2.\r | |
133 | **/\r | |
134 | UINT32\r | |
135 | Tcg2PhysicalPresenceLibSubmitRequestToPreOSFunctionEx (\r | |
136 | IN OUT UINT32 *OperationRequest,\r | |
137 | IN OUT UINT32 *RequestParameter\r | |
138 | );\r | |
139 | \r | |
140 | /**\r | |
141 | The handler for TPM physical presence function:\r | |
142 | Submit TPM Operation Request to Pre-OS Environment and\r | |
143 | Submit TPM Operation Request to Pre-OS Environment 2.\r | |
144 | \r | |
145 | This API should be invoked in OS runtime phase to interface with ACPI method.\r | |
146 | \r | |
147 | Caution: This function may receive untrusted input.\r | |
148 | \r | |
149 | @param[in] OperationRequest TPM physical presence operation request.\r | |
150 | @param[in] RequestParameter TPM physical presence operation request parameter.\r | |
151 | \r | |
152 | @return Return Code for Submit TPM Operation Request to Pre-OS Environment and\r | |
153 | Submit TPM Operation Request to Pre-OS Environment 2.\r | |
154 | **/\r | |
155 | UINT32\r | |
156 | EFIAPI\r | |
157 | Tcg2PhysicalPresenceLibSubmitRequestToPreOSFunction (\r | |
158 | IN UINT32 OperationRequest,\r | |
159 | IN UINT32 RequestParameter\r | |
160 | );\r | |
161 | \r | |
162 | /**\r | |
163 | The handler for TPM physical presence function:\r | |
164 | Get User Confirmation Status for Operation.\r | |
165 | \r | |
166 | This API should be invoked in OS runtime phase to interface with ACPI method.\r | |
167 | \r | |
168 | Caution: This function may receive untrusted input.\r | |
169 | \r | |
170 | @param[in] OperationRequest TPM physical presence operation request.\r | |
171 | \r | |
172 | @return Return Code for Get User Confirmation Status for Operation.\r | |
173 | **/\r | |
174 | UINT32\r | |
175 | EFIAPI\r | |
176 | Tcg2PhysicalPresenceLibGetUserConfirmationStatusFunction (\r | |
177 | IN UINT32 OperationRequest\r | |
178 | );\r | |
179 | \r | |
180 | #endif\r |