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c1d93242 | 1 | /** @file\r |
07309c3d | 2 | This library is TPM2 DTPM instance.\r |
c1d93242 JY |
3 | It can be registered to Tpm2 Device router, to be active TPM2 engine,\r |
4 | based on platform setting.\r | |
5 | \r | |
f15cb995 | 6 | Copyright (c) 2013 - 2018, Intel Corporation. All rights reserved. <BR>\r |
289b714b | 7 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
c1d93242 JY |
8 | \r |
9 | **/\r | |
10 | \r | |
11 | #include <Library/BaseLib.h>\r | |
12 | #include <Library/BaseMemoryLib.h>\r | |
13 | #include <Library/DebugLib.h>\r | |
14 | #include <Library/Tpm2DeviceLib.h>\r | |
f15cb995 | 15 | #include <Library/PcdLib.h>\r |
c1d93242 JY |
16 | \r |
17 | #include <Guid/TpmInstance.h>\r | |
18 | \r | |
7a56650e | 19 | #include "Tpm2DeviceLibDTpm.h"\r |
63197670 | 20 | \r |
79e748cf JY |
21 | /**\r |
22 | Dump PTP register information.\r | |
23 | \r | |
24 | @param[in] Register Pointer to PTP register.\r | |
25 | **/\r | |
26 | VOID\r | |
27 | DumpPtpInfo (\r | |
c411b485 | 28 | IN VOID *Register\r |
79e748cf JY |
29 | );\r |
30 | \r | |
c1d93242 JY |
31 | /**\r |
32 | This service enables the sending of commands to the TPM2.\r | |
33 | \r | |
34 | @param[in] InputParameterBlockSize Size of the TPM2 input parameter block.\r | |
35 | @param[in] InputParameterBlock Pointer to the TPM2 input parameter block.\r | |
36 | @param[in,out] OutputParameterBlockSize Size of the TPM2 output parameter block.\r | |
37 | @param[in] OutputParameterBlock Pointer to the TPM2 output parameter block.\r | |
38 | \r | |
39 | @retval EFI_SUCCESS The command byte stream was successfully sent to the device and a response was successfully received.\r | |
40 | @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 | 41 | @retval EFI_BUFFER_TOO_SMALL The output parameter block is too small.\r |
c1d93242 JY |
42 | **/\r |
43 | EFI_STATUS\r | |
44 | EFIAPI\r | |
45 | DTpm2SubmitCommand (\r | |
c411b485 MK |
46 | IN UINT32 InputParameterBlockSize,\r |
47 | IN UINT8 *InputParameterBlock,\r | |
48 | IN OUT UINT32 *OutputParameterBlockSize,\r | |
49 | IN UINT8 *OutputParameterBlock\r | |
c1d93242 JY |
50 | );\r |
51 | \r | |
52 | /**\r | |
53 | This service requests use TPM2.\r | |
54 | \r | |
55 | @retval EFI_SUCCESS Get the control of TPM2 chip.\r | |
56 | @retval EFI_NOT_FOUND TPM2 not found.\r | |
57 | @retval EFI_DEVICE_ERROR Unexpected device behavior.\r | |
58 | **/\r | |
59 | EFI_STATUS\r | |
60 | EFIAPI\r | |
61 | DTpm2RequestUseTpm (\r | |
62 | VOID\r | |
63 | );\r | |
64 | \r | |
65 | TPM2_DEVICE_INTERFACE mDTpm2InternalTpm2Device = {\r | |
66 | TPM_DEVICE_INTERFACE_TPM20_DTPM,\r | |
67 | DTpm2SubmitCommand,\r | |
68 | DTpm2RequestUseTpm,\r | |
69 | };\r | |
70 | \r | |
71 | /**\r | |
f15cb995 | 72 | The function register DTPM2.0 instance and caches current active TPM interface type.\r |
b3548d32 | 73 | \r |
d6b926e7 | 74 | @retval EFI_SUCCESS DTPM2.0 instance is registered, or system does not support register DTPM2.0 instance\r |
c1d93242 JY |
75 | **/\r |
76 | EFI_STATUS\r | |
77 | EFIAPI\r | |
78 | Tpm2InstanceLibDTpmConstructor (\r | |
79 | VOID\r | |
80 | )\r | |
81 | {\r | |
c411b485 | 82 | EFI_STATUS Status;\r |
c1d93242 JY |
83 | \r |
84 | Status = Tpm2RegisterTpm2DeviceLib (&mDTpm2InternalTpm2Device);\r | |
85 | if ((Status == EFI_SUCCESS) || (Status == EFI_UNSUPPORTED)) {\r | |
86 | //\r | |
87 | // Unsupported means platform policy does not need this instance enabled.\r | |
88 | //\r | |
79e748cf | 89 | if (Status == EFI_SUCCESS) {\r |
7a56650e | 90 | Status = InternalTpm2DeviceLibDTpmCommonConstructor ();\r |
c411b485 | 91 | DumpPtpInfo ((VOID *)(UINTN)PcdGet64 (PcdTpmBaseAddress));\r |
79e748cf | 92 | }\r |
c411b485 | 93 | \r |
c1d93242 JY |
94 | return EFI_SUCCESS;\r |
95 | }\r | |
c411b485 | 96 | \r |
c1d93242 JY |
97 | return Status;\r |
98 | }\r |