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1 | /** @file\r | |
2 | Initialize Intel TDX support.\r | |
3 | \r | |
4 | Copyright (c) 2021, Intel Corporation. All rights reserved.<BR>\r | |
5 | \r | |
6 | SPDX-License-Identifier: BSD-2-Clause-Patent\r | |
7 | \r | |
8 | **/\r | |
9 | \r | |
10 | #include <PiPei.h>\r | |
11 | \r | |
12 | /**\r | |
13 | In Tdx guest, some information need to be passed from host VMM to guest\r | |
14 | firmware. For example, the memory resource, etc. These information are\r | |
15 | prepared by host VMM and put in HobList which is described in TdxMetadata.\r | |
16 | \r | |
17 | Information in HobList is treated as external input. From the security\r | |
18 | perspective before it is consumed, it should be validated.\r | |
19 | \r | |
20 | @retval EFI_SUCCESS Successfully process the hoblist\r | |
21 | @retval Others Other error as indicated\r | |
22 | **/\r | |
23 | EFI_STATUS\r | |
24 | EFIAPI\r | |
25 | ProcessTdxHobList (\r | |
26 | VOID\r | |
27 | )\r | |
28 | {\r | |
29 | return EFI_UNSUPPORTED;\r | |
30 | }\r | |
31 | \r | |
32 | /**\r | |
33 | In Tdx guest, the system memory is passed in TdHob by host VMM. So\r | |
34 | the major task of PlatformTdxPublishRamRegions is to walk thru the\r | |
35 | TdHob list and transfer the ResourceDescriptorHob and MemoryAllocationHob\r | |
36 | to the hobs in DXE phase.\r | |
37 | \r | |
38 | MemoryAllocationHob should also be created for Mailbox and Ovmf work area.\r | |
39 | **/\r | |
40 | VOID\r | |
41 | EFIAPI\r | |
42 | PlatformTdxPublishRamRegions (\r | |
43 | VOID\r | |
44 | )\r | |
45 | {\r | |
46 | }\r |