OvmfPkg/AcpiPlatformDxe/AcpiPlatform.h

   1 /** @file
   2   OVMF ACPI Platform Driver
   3
   4   Copyright (c) 2008 - 2012, Intel Corporation. All rights reserved.<BR>
   5   SPDX-License-Identifier: BSD-2-Clause-Patent
   6
   7 **/
   8
   9 #ifndef ACPI_PLATFORM_H_
  10 #define ACPI_PLATFORM_H_
  11
  12 #include <IndustryStandard/Acpi.h>
  13 #include <Library/BaseLib.h>
  14 #include <Library/DebugLib.h>
  15 #include <Library/PcdLib.h>
  16 #include <Library/UefiBootServicesTableLib.h>
  17 #include <Library/XenPlatformLib.h>
  18 #include <PiDxe.h>
  19 #include <Protocol/AcpiTable.h>
  20 #include <Protocol/FirmwareVolume2.h>
  21 #include <Protocol/PciIo.h>
  22
  23 typedef struct {
  24   EFI_PCI_IO_PROTOCOL *PciIo;
  25   UINT64              PciAttributes;
  26 } ORIGINAL_ATTRIBUTES;
  27
  28 typedef struct S3_CONTEXT S3_CONTEXT;
  29
  30 EFI_STATUS
  31 EFIAPI
  32 InstallAcpiTable (
  33   IN   EFI_ACPI_TABLE_PROTOCOL       *AcpiProtocol,
  34   IN   VOID                          *AcpiTableBuffer,
  35   IN   UINTN                         AcpiTableBufferSize,
  36   OUT  UINTN                         *TableKey
  37   );
  38
  39 BOOLEAN
  40 QemuDetected (
  41   VOID
  42   );
  43
  44 EFI_STATUS
  45 EFIAPI
  46 QemuInstallAcpiTable (
  47   IN   EFI_ACPI_TABLE_PROTOCOL       *AcpiProtocol,
  48   IN   VOID                          *AcpiTableBuffer,
  49   IN   UINTN                         AcpiTableBufferSize,
  50   OUT  UINTN                         *TableKey
  51   );
  52
  53 EFI_STATUS
  54 EFIAPI
  55 InstallXenTables (
  56   IN   EFI_ACPI_TABLE_PROTOCOL       *AcpiProtocol
  57   );
  58
  59 EFI_STATUS
  60 EFIAPI
  61 InstallQemuFwCfgTables (
  62   IN   EFI_ACPI_TABLE_PROTOCOL       *AcpiProtocol
  63   );
  64
  65 EFI_STATUS
  66 EFIAPI
  67 InstallAcpiTables (
  68   IN   EFI_ACPI_TABLE_PROTOCOL       *AcpiTable
  69   );
  70
  71 VOID
  72 EnablePciDecoding (
  73   OUT ORIGINAL_ATTRIBUTES **OriginalAttributes,
  74   OUT UINTN               *Count
  75   );
  76
  77 VOID
  78 RestorePciDecoding (
  79   IN ORIGINAL_ATTRIBUTES *OriginalAttributes,
  80   IN UINTN               Count
  81   );
  82
  83 EFI_STATUS
  84 AllocateS3Context (
  85   OUT S3_CONTEXT **S3Context,
  86   IN  UINTN      WritePointerCount
  87   );
  88
  89 VOID
  90 ReleaseS3Context (
  91   IN S3_CONTEXT *S3Context
  92   );
  93
  94 EFI_STATUS
  95 SaveCondensedWritePointerToS3Context (
  96   IN OUT S3_CONTEXT *S3Context,
  97   IN     UINT16     PointerItem,
  98   IN     UINT8      PointerSize,
  99   IN     UINT32     PointerOffset,
 100   IN     UINT64     PointerValue
 101   );
 102
 103 EFI_STATUS
 104 TransferS3ContextToBootScript (
 105   IN S3_CONTEXT *S3Context
 106   );
 107
 108 #endif
 109