61 lines
1.4 KiB
C
61 lines
1.4 KiB
C
/** @file
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Copyright (c) 2008 - 2012, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef TDX_ACPI_TABLE_H_
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#define TDX_ACPI_TABLE_H_
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#include <PiDxe.h>
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#include <Protocol/AcpiTable.h>
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#include <Protocol/FirmwareVolume2.h>
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#include <Protocol/PciIo.h>
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#include <Library/BaseLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/DebugLib.h>
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#include <Library/PcdLib.h>
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#include <IndustryStandard/IntelTdx.h>
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#include <IndustryStandard/Acpi.h>
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VOID
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EFIAPI
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AsmGetRelocationMap (
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OUT MP_RELOCATION_MAP *AddressMap
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);
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/**
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At the beginning of system boot, a 4K-aligned, 4K-size memory (Td mailbox) is
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pre-allocated by host VMM. BSP & APs do the page accept together in that memory
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region.
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After that TDVF is designed to relocate the mailbox to a 4K-aligned, 4K-size
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memory block which is allocated in the ACPI Nvs memory. APs are waken up and
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spin around the relocated mailbox for further command.
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@return EFI_PHYSICAL_ADDRESS Address of the relocated mailbox
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**/
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EFI_PHYSICAL_ADDRESS
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EFIAPI
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RelocateMailbox (
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VOID
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);
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/**
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Alter the MADT when ACPI Table from QEMU is available.
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@param[in] Event Event whose notification function is being invoked
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@param[in] Context Pointer to the notification function's context
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**/
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VOID
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EFIAPI
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AlterAcpiTable (
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IN EFI_EVENT Event,
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IN VOID *Context
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);
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#endif
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