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1 | /** @file\r |
2 | \r | |
3 | Null stub of TdxLib\r | |
4 | \r | |
5 | Copyright (c) 2021, Intel Corporation. All rights reserved.<BR>\r | |
6 | SPDX-License-Identifier: BSD-2-Clause-Patent\r | |
7 | \r | |
8 | **/\r | |
9 | \r | |
10 | #include <Uefi/UefiBaseType.h>\r | |
11 | #include <Library/TdxLib.h>\r | |
12 | \r | |
13 | /**\r | |
14 | This function accepts a pending private page, and initialize the page to\r | |
15 | all-0 using the TD ephemeral private key.\r | |
16 | \r | |
17 | @param[in] StartAddress Guest physical address of the private page\r | |
18 | to accept.\r | |
19 | @param[in] NumberOfPages Number of the pages to be accepted.\r | |
20 | @param[in] PageSize GPA page size. Accept 1G/2M/4K page size.\r | |
21 | \r | |
22 | @return EFI_SUCCESS\r | |
23 | **/\r | |
24 | EFI_STATUS\r | |
25 | EFIAPI\r | |
26 | TdAcceptPages (\r | |
27 | IN UINT64 StartAddress,\r | |
28 | IN UINT64 NumberOfPages,\r | |
29 | IN UINT32 PageSize\r | |
30 | )\r | |
31 | {\r | |
32 | return EFI_UNSUPPORTED;\r | |
33 | }\r | |
34 | \r | |
35 | /**\r | |
36 | This function extends one of the RTMR measurement register\r | |
37 | in TDCS with the provided extension data in memory.\r | |
38 | RTMR extending supports SHA384 which length is 48 bytes.\r | |
39 | \r | |
40 | @param[in] Data Point to the data to be extended\r | |
41 | @param[in] DataLen Length of the data. Must be 48\r | |
42 | @param[in] Index RTMR index\r | |
43 | \r | |
44 | @return EFI_SUCCESS\r | |
45 | @return EFI_INVALID_PARAMETER\r | |
46 | @return EFI_DEVICE_ERROR\r | |
47 | \r | |
48 | **/\r | |
49 | EFI_STATUS\r | |
50 | EFIAPI\r | |
51 | TdExtendRtmr (\r | |
52 | IN UINT32 *Data,\r | |
53 | IN UINT32 DataLen,\r | |
54 | IN UINT8 Index\r | |
55 | )\r | |
56 | {\r | |
57 | return EFI_UNSUPPORTED;\r | |
58 | }\r | |
59 | \r | |
60 | /**\r | |
61 | This function gets the Td guest shared page mask.\r | |
62 | \r | |
63 | The guest indicates if a page is shared using the Guest Physical Address\r | |
64 | (GPA) Shared (S) bit. If the GPA Width(GPAW) is 48, the S-bit is bit-47.\r | |
65 | If the GPAW is 52, the S-bit is bit-51.\r | |
66 | \r | |
67 | @return Shared page bit mask\r | |
68 | **/\r | |
69 | UINT64\r | |
70 | EFIAPI\r | |
71 | TdSharedPageMask (\r | |
72 | VOID\r | |
73 | )\r | |
74 | {\r | |
75 | return 0;\r | |
76 | }\r | |
77 | \r | |
78 | /**\r | |
79 | This function gets the maximum number of Virtual CPUs that are usable for\r | |
80 | Td Guest.\r | |
81 | \r | |
82 | @return maximum Virtual CPUs number\r | |
83 | **/\r | |
84 | UINT32\r | |
85 | EFIAPI\r | |
86 | TdMaxVCpuNum (\r | |
87 | VOID\r | |
88 | )\r | |
89 | {\r | |
90 | return 0;\r | |
91 | }\r | |
92 | \r | |
93 | /**\r | |
94 | This function gets the number of Virtual CPUs that are usable for Td\r | |
95 | Guest.\r | |
96 | \r | |
97 | @return Virtual CPUs number\r | |
98 | **/\r | |
99 | UINT32\r | |
100 | EFIAPI\r | |
101 | TdVCpuNum (\r | |
102 | VOID\r | |
103 | )\r | |
104 | {\r | |
105 | return 0;\r | |
106 | }\r |