OvmfPkg/AcpiPlatformDxe/AcpiPlatform.h

   1 /** @file
   2   Sample 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_INCLUDED_
  10 #define _ACPI_PLATFORM_H_INCLUDED_
  11
  12 #include <PiDxe.h>
  13
  14 #include <Protocol/AcpiTable.h>
  15 #include <Protocol/FirmwareVolume2.h>
  16 #include <Protocol/PciIo.h>
  17
  18 #include <Library/BaseLib.h>
  19 #include <Library/UefiBootServicesTableLib.h>
  20 #include <Library/DebugLib.h>
  21 #include <Library/PcdLib.h>
  22
  23 #include <IndustryStandard/Acpi.h>
  24
  25 typedef struct {
  26   EFI_PCI_IO_PROTOCOL *PciIo;
  27   UINT64              PciAttributes;
  28 } ORIGINAL_ATTRIBUTES;
  29
  30 typedef struct S3_CONTEXT S3_CONTEXT;
  31
  32 EFI_STATUS
  33 EFIAPI
  34 InstallAcpiTable (
  35   IN   EFI_ACPI_TABLE_PROTOCOL       *AcpiProtocol,
  36   IN   VOID                          *AcpiTableBuffer,
  37   IN   UINTN                         AcpiTableBufferSize,
  38   OUT  UINTN                         *TableKey
  39   );
  40
  41 BOOLEAN
  42 QemuDetected (
  43   VOID
  44   );
  45
  46 EFI_STATUS
  47 EFIAPI
  48 QemuInstallAcpiTable (
  49   IN   EFI_ACPI_TABLE_PROTOCOL       *AcpiProtocol,
  50   IN   VOID                          *AcpiTableBuffer,
  51   IN   UINTN                         AcpiTableBufferSize,
  52   OUT  UINTN                         *TableKey
  53   );
  54
  55 BOOLEAN
  56 XenDetected (
  57   VOID
  58   );
  59
  60 EFI_STATUS
  61 EFIAPI
  62 InstallXenTables (
  63   IN   EFI_ACPI_TABLE_PROTOCOL       *AcpiProtocol
  64   );
  65
  66 EFI_STATUS
  67 EFIAPI
  68 InstallQemuFwCfgTables (
  69   IN   EFI_ACPI_TABLE_PROTOCOL       *AcpiProtocol
  70   );
  71
  72 EFI_STATUS
  73 EFIAPI
  74 InstallAcpiTables (
  75   IN   EFI_ACPI_TABLE_PROTOCOL       *AcpiTable
  76   );
  77
  78 VOID
  79 EnablePciDecoding (
  80   OUT ORIGINAL_ATTRIBUTES **OriginalAttributes,
  81   OUT UINTN               *Count
  82   );
  83
  84 VOID
  85 RestorePciDecoding (
  86   IN ORIGINAL_ATTRIBUTES *OriginalAttributes,
  87   IN UINTN               Count
  88   );
  89
  90 EFI_STATUS
  91 AllocateS3Context (
  92   OUT S3_CONTEXT **S3Context,
  93   IN  UINTN      WritePointerCount
  94   );
  95
  96 VOID
  97 ReleaseS3Context (
  98   IN S3_CONTEXT *S3Context
  99   );
 100
 101 EFI_STATUS
 102 SaveCondensedWritePointerToS3Context (
 103   IN OUT S3_CONTEXT *S3Context,
 104   IN     UINT16     PointerItem,
 105   IN     UINT8      PointerSize,
 106   IN     UINT32     PointerOffset,
 107   IN     UINT64     PointerValue
 108   );
 109
 110 EFI_STATUS
 111 TransferS3ContextToBootScript (
 112   IN S3_CONTEXT *S3Context
 113   );
 114
 115 #endif
 116