7594c5bfe2
Adding support for retrieving the Cloud Hypervisor ACPI tables as a fallback mechanism if tables are not found through fw_cfg. Reviewed-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Jiewen Yao <jiewen.yao@intel.com> Signed-off-by: Rob Bradford <robert.bradford@intel.com> Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
78 lines
1.5 KiB
C
78 lines
1.5 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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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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