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c1d93242 JY |
1 | /** @file\r |
2 | Ihis library is TPM2 DTPM device lib.\r | |
3 | Choosing this library means platform uses and only uses DTPM device as TPM2 engine.\r | |
4 | \r | |
5 | Copyright (c) 2013, 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 | #include <Library/BaseLib.h>\r | |
17 | #include <Library/BaseMemoryLib.h>\r | |
18 | #include <Library/DebugLib.h>\r | |
19 | #include <Library/Tpm2DeviceLib.h>\r | |
20 | \r | |
21 | /**\r | |
22 | This service enables the sending of commands to the TPM2.\r | |
23 | \r | |
24 | @param[in] InputParameterBlockSize Size of the TPM2 input parameter block.\r | |
25 | @param[in] InputParameterBlock Pointer to the TPM2 input parameter block.\r | |
26 | @param[in,out] OutputParameterBlockSize Size of the TPM2 output parameter block.\r | |
27 | @param[in] OutputParameterBlock Pointer to the TPM2 output parameter block.\r | |
28 | \r | |
29 | @retval EFI_SUCCESS The command byte stream was successfully sent to the device and a response was successfully received.\r | |
30 | @retval EFI_DEVICE_ERROR The command was not successfully sent to the device or a response was not successfully received from the device.\r | |
31 | @retval EFI_BUFFER_TOO_SMALL The output parameter block is too small. \r | |
32 | **/\r | |
33 | EFI_STATUS\r | |
34 | EFIAPI\r | |
35 | DTpm2SubmitCommand (\r | |
36 | IN UINT32 InputParameterBlockSize,\r | |
37 | IN UINT8 *InputParameterBlock,\r | |
38 | IN OUT UINT32 *OutputParameterBlockSize,\r | |
39 | IN UINT8 *OutputParameterBlock\r | |
40 | );\r | |
41 | \r | |
42 | /**\r | |
43 | This service requests use TPM2.\r | |
44 | \r | |
45 | @retval EFI_SUCCESS Get the control of TPM2 chip.\r | |
46 | @retval EFI_NOT_FOUND TPM2 not found.\r | |
47 | @retval EFI_DEVICE_ERROR Unexpected device behavior.\r | |
48 | **/\r | |
49 | EFI_STATUS\r | |
50 | EFIAPI\r | |
51 | DTpm2RequestUseTpm (\r | |
52 | VOID\r | |
53 | );\r | |
54 | \r | |
55 | /**\r | |
56 | This service enables the sending of commands to the TPM2.\r | |
57 | \r | |
58 | @param[in] InputParameterBlockSize Size of the TPM2 input parameter block.\r | |
59 | @param[in] InputParameterBlock Pointer to the TPM2 input parameter block.\r | |
60 | @param[in,out] OutputParameterBlockSize Size of the TPM2 output parameter block.\r | |
61 | @param[in] OutputParameterBlock Pointer to the TPM2 output parameter block.\r | |
62 | \r | |
63 | @retval EFI_SUCCESS The command byte stream was successfully sent to the device and a response was successfully received.\r | |
64 | @retval EFI_DEVICE_ERROR The command was not successfully sent to the device or a response was not successfully received from the device.\r | |
65 | @retval EFI_BUFFER_TOO_SMALL The output parameter block is too small. \r | |
66 | **/\r | |
67 | EFI_STATUS\r | |
68 | EFIAPI\r | |
69 | Tpm2SubmitCommand (\r | |
70 | IN UINT32 InputParameterBlockSize,\r | |
71 | IN UINT8 *InputParameterBlock,\r | |
72 | IN OUT UINT32 *OutputParameterBlockSize,\r | |
73 | IN UINT8 *OutputParameterBlock\r | |
74 | )\r | |
75 | {\r | |
76 | return DTpm2SubmitCommand (\r | |
77 | InputParameterBlockSize,\r | |
78 | InputParameterBlock,\r | |
79 | OutputParameterBlockSize,\r | |
80 | OutputParameterBlock\r | |
81 | );\r | |
82 | }\r | |
83 | \r | |
84 | /**\r | |
85 | This service requests use TPM2.\r | |
86 | \r | |
87 | @retval EFI_SUCCESS Get the control of TPM2 chip.\r | |
88 | @retval EFI_NOT_FOUND TPM2 not found.\r | |
89 | @retval EFI_DEVICE_ERROR Unexpected device behavior.\r | |
90 | **/\r | |
91 | EFI_STATUS\r | |
92 | EFIAPI\r | |
93 | Tpm2RequestUseTpm (\r | |
94 | VOID\r | |
95 | )\r | |
96 | {\r | |
97 | return DTpm2RequestUseTpm ();\r | |
98 | }\r | |
99 | \r | |
100 | /**\r | |
101 | This service register TPM2 device.\r | |
102 | \r | |
103 | @param Tpm2Device TPM2 device\r | |
104 | \r | |
105 | @retval EFI_SUCCESS This TPM2 device is registered successfully.\r | |
106 | @retval EFI_UNSUPPORTED System does not support register this TPM2 device.\r | |
107 | @retval EFI_ALREADY_STARTED System already register this TPM2 device.\r | |
108 | **/\r | |
109 | EFI_STATUS\r | |
110 | EFIAPI\r | |
111 | Tpm2RegisterTpm2DeviceLib (\r | |
112 | IN TPM2_DEVICE_INTERFACE *Tpm2Device\r | |
113 | )\r | |
114 | {\r | |
115 | return EFI_UNSUPPORTED;\r | |
116 | }\r |