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Fix ICC build failure.
[mirror_edk2.git] / SecurityPkg / Tcg / TcgConfigDxe / TcgConfigDriver.c
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0c18794e 1/** @file\r
2 The module entry point for Tcg configuration module.\r
3\r
4Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>\r
5This program and the accompanying materials \r
6are licensed and made available under the terms and conditions of the BSD License \r
7which accompanies this distribution. The full text of the license may be found at \r
8http://opensource.org/licenses/bsd-license.php\r
9\r
10THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
11WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
12\r
13**/\r
14\r
15#include "TcgConfigImpl.h"\r
16\r
17EFI_GUID gTcgConfigPrivateGuid = TCG_CONFIG_PRIVATE_GUID;\r
18\r
19/**\r
20 The entry point for Tcg configuration driver.\r
21\r
22 @param[in] ImageHandle The image handle of the driver.\r
23 @param[in] SystemTable The system table.\r
24\r
25 @retval EFI_ALREADY_STARTED The driver already exists in system.\r
26 @retval EFI_OUT_OF_RESOURCES Fail to execute entry point due to lack of resources.\r
27 @retval EFI_SUCCES All the related protocols are installed on the driver.\r
28 @retval Others Fail to install protocols as indicated.\r
29\r
30**/\r
31EFI_STATUS\r
32EFIAPI\r
33TcgConfigDriverEntryPoint (\r
34 IN EFI_HANDLE ImageHandle,\r
35 IN EFI_SYSTEM_TABLE *SystemTable\r
36 )\r
37{\r
38 EFI_STATUS Status;\r
39 TCG_CONFIG_PRIVATE_DATA *PrivateData;\r
40 EFI_TCG_PROTOCOL *TcgProtocol;\r
41\r
42 Status = TisPcRequestUseTpm ((TIS_TPM_HANDLE) (UINTN) TPM_BASE_ADDRESS);\r
43 if (EFI_ERROR (Status)) {\r
44 DEBUG ((EFI_D_ERROR, "TPM not detected!\n"));\r
45 return Status;\r
46 }\r
47\r
48 Status = gBS->LocateProtocol (&gEfiTcgProtocolGuid, NULL, (VOID **) &TcgProtocol);\r
49 if (EFI_ERROR (Status)) {\r
50 TcgProtocol = NULL;\r
51 }\r
52 \r
53 Status = gBS->OpenProtocol (\r
54 ImageHandle,\r
55 &gTcgConfigPrivateGuid,\r
56 NULL,\r
57 ImageHandle,\r
58 ImageHandle,\r
59 EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r
60 );\r
61 if (!EFI_ERROR (Status)) {\r
62 return EFI_ALREADY_STARTED;\r
63 }\r
64 \r
65 //\r
66 // Create a private data structure.\r
67 //\r
68 PrivateData = AllocateCopyPool (sizeof (TCG_CONFIG_PRIVATE_DATA), &mTcgConfigPrivateDateTemplate);\r
69 if (PrivateData == NULL) {\r
70 return EFI_OUT_OF_RESOURCES;\r
71 }\r
72 \r
73 PrivateData->TcgProtocol = TcgProtocol;\r
81b7a609 74 PrivateData->HideTpm = (BOOLEAN) (PcdGetBool (PcdHideTpmSupport) && PcdGetBool (PcdHideTpm));\r
0c18794e 75 \r
76 //\r
77 // Install TCG configuration form\r
78 //\r
79 Status = InstallTcgConfigForm (PrivateData);\r
80 if (EFI_ERROR (Status)) {\r
81 goto ErrorExit;\r
82 }\r
83\r
84 //\r
85 // Install private GUID.\r
86 // \r
87 Status = gBS->InstallMultipleProtocolInterfaces (\r
88 &ImageHandle,\r
89 &gTcgConfigPrivateGuid,\r
90 PrivateData,\r
91 NULL\r
92 );\r
93\r
94 if (EFI_ERROR (Status)) {\r
95 goto ErrorExit;\r
96 }\r
97\r
98 return EFI_SUCCESS;\r
99\r
100ErrorExit:\r
101 if (PrivateData != NULL) {\r
102 UninstallTcgConfigForm (PrivateData);\r
103 } \r
104 \r
105 return Status;\r
106}\r
107\r
108/**\r
109 Unload the Tcg configuration form.\r
110\r
111 @param[in] ImageHandle The driver's image handle.\r
112\r
113 @retval EFI_SUCCESS The Tcg configuration form is unloaded.\r
114 @retval Others Failed to unload the form.\r
115\r
116**/\r
117EFI_STATUS\r
118EFIAPI\r
119TcgConfigDriverUnload (\r
120 IN EFI_HANDLE ImageHandle\r
121 )\r
122{\r
123 EFI_STATUS Status;\r
124 TCG_CONFIG_PRIVATE_DATA *PrivateData;\r
125\r
126 Status = gBS->HandleProtocol (\r
127 ImageHandle,\r
128 &gTcgConfigPrivateGuid,\r
129 (VOID **) &PrivateData\r
130 ); \r
131 if (EFI_ERROR (Status)) {\r
132 return Status; \r
133 }\r
134 \r
135 ASSERT (PrivateData->Signature == TCG_CONFIG_PRIVATE_DATA_SIGNATURE);\r
136\r
137 gBS->UninstallMultipleProtocolInterfaces (\r
138 &ImageHandle,\r
139 &gTcgConfigPrivateGuid,\r
140 PrivateData,\r
141 NULL\r
142 );\r
143 \r
144 UninstallTcgConfigForm (PrivateData);\r
145\r
146 return EFI_SUCCESS;\r
147}\r