e254c71e9e
Rely on CcProbe() to identify when running on TDX so that ACPI tables can be retrieved differently for Cloud Hypervisor. Instead of relying on the PVH structure to find the RSDP pointer, the tables are individually passed through the HOB. Signed-off-by: Jiaqi Gao <jiaqi.gao@intel.com> Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com> Reviewed-by: Min Xu <min.m.xu@intel.com> Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
84 lines
1.6 KiB
C
84 lines
1.6 KiB
C
/** @file
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OVMF ACPI Platform Driver
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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 ACPI_PLATFORM_H_
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#define ACPI_PLATFORM_H_
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#include <Protocol/AcpiTable.h> // EFI_ACPI_TABLE_PROTOCOL
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#include <Protocol/PciIo.h> // EFI_PCI_IO_PROTOCOL
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typedef struct {
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EFI_PCI_IO_PROTOCOL *PciIo;
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UINT64 PciAttributes;
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} ORIGINAL_ATTRIBUTES;
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typedef struct S3_CONTEXT S3_CONTEXT;
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EFI_STATUS
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EFIAPI
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InstallCloudHvTablesTdx (
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IN EFI_ACPI_TABLE_PROTOCOL *AcpiProtocol
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);
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EFI_STATUS
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EFIAPI
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InstallCloudHvTables (
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IN EFI_ACPI_TABLE_PROTOCOL *AcpiProtocol
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);
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EFI_STATUS
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EFIAPI
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InstallQemuFwCfgTables (
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IN EFI_ACPI_TABLE_PROTOCOL *AcpiProtocol
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);
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EFI_STATUS
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EFIAPI
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InstallAcpiTables (
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IN EFI_ACPI_TABLE_PROTOCOL *AcpiTable
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);
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VOID
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EnablePciDecoding (
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OUT ORIGINAL_ATTRIBUTES **OriginalAttributes,
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OUT UINTN *Count
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);
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VOID
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RestorePciDecoding (
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IN ORIGINAL_ATTRIBUTES *OriginalAttributes,
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IN UINTN Count
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);
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EFI_STATUS
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AllocateS3Context (
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OUT S3_CONTEXT **S3Context,
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IN UINTN WritePointerCount
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);
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VOID
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ReleaseS3Context (
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IN S3_CONTEXT *S3Context
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);
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EFI_STATUS
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SaveCondensedWritePointerToS3Context (
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IN OUT S3_CONTEXT *S3Context,
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IN UINT16 PointerItem,
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IN UINT8 PointerSize,
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IN UINT32 PointerOffset,
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IN UINT64 PointerValue
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);
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EFI_STATUS
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TransferS3ContextToBootScript (
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IN S3_CONTEXT *S3Context
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);
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#endif
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