5a118a61d1
This makes the InstallQemuFwcfgTables function reusable by bhyve. Signed-off-by: Corvin Köhne <corvink@FreeBSD.org> Acked-by: Peter Grehan <grehan@freebsd.org>
106 lines
2.8 KiB
C
106 lines
2.8 KiB
C
/** @file
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Copyright (c) 2023, Corvin Köhne <corvink@FreeBSD.org>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef ACPI_PLATFORM_LIB_H_
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#define ACPI_PLATFORM_LIB_H_
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#include <Protocol/AcpiTable.h>
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#include <Protocol/PciIo.h>
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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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/**
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Searches and returns the address of the ACPI Root System Description Pointer (RSDP) in system memory.
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@param StartAddress Start address of search range.
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@param EndAddress End address of search range.
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@param RsdpPtr Return pointer to RSDP.
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@retval EFI_SUCCESS RSDP successfully found.
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@retval EFI_NOT_FOUND Couldn't find RSDP.
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@retval EFI_ABORTED Invalid RSDP found.
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**/
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EFI_STATUS
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EFIAPI
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GetAcpiRsdpFromMemory (
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IN UINTN StartAddress,
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IN UINTN EndAddress,
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OUT EFI_ACPI_2_0_ROOT_SYSTEM_DESCRIPTION_POINTER **RsdpPtr
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);
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/**
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Get Acpi tables from the RSDP structure. And installs ACPI tables
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into the RSDT/XSDT using InstallAcpiTable. Some signature of the installed
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ACPI tables are: FACP, APIC, HPET, WAET, SSDT, FACS, DSDT.
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@param AcpiProtocol Protocol instance pointer.
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@return EFI_SUCCESS The table was successfully inserted.
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@return EFI_INVALID_PARAMETER Either AcpiTableBuffer is NULL, TableHandle is
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NULL, or AcpiTableBufferSize and the size
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field embedded in the ACPI table pointed to
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by AcpiTableBuffer are not in sync.
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@return EFI_OUT_OF_RESOURCES Insufficient resources exist to complete the
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request.
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**/
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EFI_STATUS
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EFIAPI
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InstallAcpiTablesFromRsdp (
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IN EFI_ACPI_TABLE_PROTOCOL *AcpiProtocol,
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IN EFI_ACPI_2_0_ROOT_SYSTEM_DESCRIPTION_POINTER *Rsdp
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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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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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