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