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 <Protocol/AcpiTable.h> // EFI_ACPI_TABLE_PROTOCOL
  13 #include <Protocol/PciIo.h>     // EFI_PCI_IO_PROTOCOL
  14
  15 typedef struct {
  16   EFI_PCI_IO_PROTOCOL    *PciIo;
  17   UINT64                 PciAttributes;
  18 } ORIGINAL_ATTRIBUTES;
  19
  20 typedef struct S3_CONTEXT S3_CONTEXT;
  21
  22 EFI_STATUS
  23 EFIAPI
  24 InstallCloudHvTables (
  25   IN   EFI_ACPI_TABLE_PROTOCOL  *AcpiProtocol
  26   );
  27
  28 EFI_STATUS
  29 EFIAPI
  30 InstallQemuFwCfgTables (
  31   IN   EFI_ACPI_TABLE_PROTOCOL  *AcpiProtocol
  32   );
  33
  34 EFI_STATUS
  35 EFIAPI
  36 InstallAcpiTables (
  37   IN   EFI_ACPI_TABLE_PROTOCOL  *AcpiTable
  38   );
  39
  40 VOID
  41 EnablePciDecoding (
  42   OUT ORIGINAL_ATTRIBUTES  **OriginalAttributes,
  43   OUT UINTN                *Count
  44   );
  45
  46 VOID
  47 RestorePciDecoding (
  48   IN ORIGINAL_ATTRIBUTES  *OriginalAttributes,
  49   IN UINTN                Count
  50   );
  51
  52 EFI_STATUS
  53 AllocateS3Context (
  54   OUT S3_CONTEXT  **S3Context,
  55   IN  UINTN       WritePointerCount
  56   );
  57
  58 VOID
  59 ReleaseS3Context (
  60   IN S3_CONTEXT  *S3Context
  61   );
  62
  63 EFI_STATUS
  64 SaveCondensedWritePointerToS3Context (
  65   IN OUT S3_CONTEXT  *S3Context,
  66   IN     UINT16      PointerItem,
  67   IN     UINT8       PointerSize,
  68   IN     UINT32      PointerOffset,
  69   IN     UINT64      PointerValue
  70   );
  71
  72 EFI_STATUS
  73 TransferS3ContextToBootScript (
  74   IN S3_CONTEXT  *S3Context
  75   );
  76
  77 #endif