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1 | /** @file\r |
2 | \r | |
3 | Copyright (c) 2008 - 2012, Intel Corporation. All rights reserved.<BR>\r | |
4 | SPDX-License-Identifier: BSD-2-Clause-Patent\r | |
5 | \r | |
6 | **/\r | |
7 | \r | |
8 | #ifndef TDX_ACPI_TABLE_H_\r | |
9 | #define TDX_ACPI_TABLE_H_\r | |
10 | \r | |
11 | #include <PiDxe.h>\r | |
12 | \r | |
13 | #include <Protocol/AcpiTable.h>\r | |
14 | #include <Protocol/FirmwareVolume2.h>\r | |
15 | #include <Protocol/PciIo.h>\r | |
16 | \r | |
17 | #include <Library/BaseLib.h>\r | |
18 | #include <Library/UefiBootServicesTableLib.h>\r | |
19 | #include <Library/DebugLib.h>\r | |
20 | #include <Library/PcdLib.h>\r | |
21 | #include <IndustryStandard/IntelTdx.h>\r | |
22 | #include <IndustryStandard/Acpi.h>\r | |
23 | \r | |
24 | VOID\r | |
25 | EFIAPI\r | |
26 | AsmGetRelocationMap (\r | |
27 | OUT MP_RELOCATION_MAP *AddressMap\r | |
28 | );\r | |
29 | \r | |
30 | /**\r | |
31 | At the beginning of system boot, a 4K-aligned, 4K-size memory (Td mailbox) is\r | |
32 | pre-allocated by host VMM. BSP & APs do the page accept together in that memory\r | |
33 | region.\r | |
34 | \r | |
35 | After that TDVF is designed to relocate the mailbox to a 4K-aligned, 4K-size\r | |
36 | memory block which is allocated in the ACPI Nvs memory. APs are waken up and\r | |
37 | spin around the relocated mailbox for further command.\r | |
38 | \r | |
39 | @return EFI_PHYSICAL_ADDRESS Address of the relocated mailbox\r | |
40 | **/\r | |
41 | EFI_PHYSICAL_ADDRESS\r | |
42 | EFIAPI\r | |
43 | RelocateMailbox (\r | |
44 | VOID\r | |
45 | );\r | |
46 | \r | |
47 | /**\r | |
48 | Alter the MADT when ACPI Table from QEMU is available.\r | |
49 | \r | |
50 | @param[in] Event Event whose notification function is being invoked\r | |
51 | @param[in] Context Pointer to the notification function's context\r | |
52 | **/\r | |
53 | VOID\r | |
54 | EFIAPI\r | |
55 | AlterAcpiTable (\r | |
56 | IN EFI_EVENT Event,\r | |
57 | IN VOID *Context\r | |
58 | );\r | |
59 | \r | |
60 | #endif\r |