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c1d93242 | 1 | /** @file\r |
07309c3d | 2 | This library is TPM2 DTPM device lib.\r |
c1d93242 JY |
3 | Choosing this library means platform uses and only uses DTPM device as TPM2 engine.\r |
4 | \r | |
f15cb995 | 5 | Copyright (c) 2013 - 2018, Intel Corporation. All rights reserved. <BR>\r |
289b714b | 6 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
c1d93242 JY |
7 | \r |
8 | **/\r | |
9 | \r | |
10 | #include <Library/BaseLib.h>\r | |
11 | #include <Library/BaseMemoryLib.h>\r | |
12 | #include <Library/DebugLib.h>\r | |
13 | #include <Library/Tpm2DeviceLib.h>\r | |
f15cb995 ZC |
14 | #include <Library/PcdLib.h>\r |
15 | \r | |
7a56650e | 16 | #include "Tpm2DeviceLibDTpm.h"\r |
63197670 | 17 | \r |
c1d93242 JY |
18 | /**\r |
19 | This service enables the sending of commands to the TPM2.\r | |
20 | \r | |
21 | @param[in] InputParameterBlockSize Size of the TPM2 input parameter block.\r | |
22 | @param[in] InputParameterBlock Pointer to the TPM2 input parameter block.\r | |
23 | @param[in,out] OutputParameterBlockSize Size of the TPM2 output parameter block.\r | |
24 | @param[in] OutputParameterBlock Pointer to the TPM2 output parameter block.\r | |
25 | \r | |
26 | @retval EFI_SUCCESS The command byte stream was successfully sent to the device and a response was successfully received.\r | |
27 | @retval EFI_DEVICE_ERROR The command was not successfully sent to the device or a response was not successfully received from the device.\r | |
b3548d32 | 28 | @retval EFI_BUFFER_TOO_SMALL The output parameter block is too small.\r |
c1d93242 JY |
29 | **/\r |
30 | EFI_STATUS\r | |
31 | EFIAPI\r | |
32 | DTpm2SubmitCommand (\r | |
c411b485 MK |
33 | IN UINT32 InputParameterBlockSize,\r |
34 | IN UINT8 *InputParameterBlock,\r | |
35 | IN OUT UINT32 *OutputParameterBlockSize,\r | |
36 | IN UINT8 *OutputParameterBlock\r | |
c1d93242 JY |
37 | );\r |
38 | \r | |
39 | /**\r | |
40 | This service requests use TPM2.\r | |
41 | \r | |
42 | @retval EFI_SUCCESS Get the control of TPM2 chip.\r | |
43 | @retval EFI_NOT_FOUND TPM2 not found.\r | |
44 | @retval EFI_DEVICE_ERROR Unexpected device behavior.\r | |
45 | **/\r | |
46 | EFI_STATUS\r | |
47 | EFIAPI\r | |
48 | DTpm2RequestUseTpm (\r | |
49 | VOID\r | |
50 | );\r | |
51 | \r | |
52 | /**\r | |
53 | This service enables the sending of commands to the TPM2.\r | |
54 | \r | |
55 | @param[in] InputParameterBlockSize Size of the TPM2 input parameter block.\r | |
56 | @param[in] InputParameterBlock Pointer to the TPM2 input parameter block.\r | |
57 | @param[in,out] OutputParameterBlockSize Size of the TPM2 output parameter block.\r | |
58 | @param[in] OutputParameterBlock Pointer to the TPM2 output parameter block.\r | |
59 | \r | |
60 | @retval EFI_SUCCESS The command byte stream was successfully sent to the device and a response was successfully received.\r | |
61 | @retval EFI_DEVICE_ERROR The command was not successfully sent to the device or a response was not successfully received from the device.\r | |
b3548d32 | 62 | @retval EFI_BUFFER_TOO_SMALL The output parameter block is too small.\r |
c1d93242 JY |
63 | **/\r |
64 | EFI_STATUS\r | |
65 | EFIAPI\r | |
66 | Tpm2SubmitCommand (\r | |
c411b485 MK |
67 | IN UINT32 InputParameterBlockSize,\r |
68 | IN UINT8 *InputParameterBlock,\r | |
69 | IN OUT UINT32 *OutputParameterBlockSize,\r | |
70 | IN UINT8 *OutputParameterBlock\r | |
c1d93242 JY |
71 | )\r |
72 | {\r | |
73 | return DTpm2SubmitCommand (\r | |
74 | InputParameterBlockSize,\r | |
75 | InputParameterBlock,\r | |
76 | OutputParameterBlockSize,\r | |
77 | OutputParameterBlock\r | |
78 | );\r | |
79 | }\r | |
80 | \r | |
81 | /**\r | |
82 | This service requests use TPM2.\r | |
83 | \r | |
84 | @retval EFI_SUCCESS Get the control of TPM2 chip.\r | |
85 | @retval EFI_NOT_FOUND TPM2 not found.\r | |
86 | @retval EFI_DEVICE_ERROR Unexpected device behavior.\r | |
87 | **/\r | |
88 | EFI_STATUS\r | |
89 | EFIAPI\r | |
90 | Tpm2RequestUseTpm (\r | |
91 | VOID\r | |
92 | )\r | |
93 | {\r | |
94 | return DTpm2RequestUseTpm ();\r | |
95 | }\r | |
96 | \r | |
97 | /**\r | |
98 | This service register TPM2 device.\r | |
99 | \r | |
100 | @param Tpm2Device TPM2 device\r | |
101 | \r | |
102 | @retval EFI_SUCCESS This TPM2 device is registered successfully.\r | |
103 | @retval EFI_UNSUPPORTED System does not support register this TPM2 device.\r | |
104 | @retval EFI_ALREADY_STARTED System already register this TPM2 device.\r | |
105 | **/\r | |
106 | EFI_STATUS\r | |
107 | EFIAPI\r | |
108 | Tpm2RegisterTpm2DeviceLib (\r | |
c411b485 | 109 | IN TPM2_DEVICE_INTERFACE *Tpm2Device\r |
c1d93242 JY |
110 | )\r |
111 | {\r | |
112 | return EFI_UNSUPPORTED;\r | |
113 | }\r | |
f15cb995 ZC |
114 | \r |
115 | /**\r | |
116 | The function caches current active TPM interface type.\r | |
b3548d32 | 117 | \r |
d6b926e7 | 118 | @retval EFI_SUCCESS DTPM2.0 instance is registered, or system does not support register DTPM2.0 instance\r |
f15cb995 ZC |
119 | **/\r |
120 | EFI_STATUS\r | |
121 | EFIAPI\r | |
122 | Tpm2DeviceLibConstructor (\r | |
123 | VOID\r | |
124 | )\r | |
125 | {\r | |
7a56650e | 126 | return InternalTpm2DeviceLibDTpmCommonConstructor ();\r |
f15cb995 | 127 | }\r |