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 InstallQemuFwCfgTables (
  25   IN   EFI_ACPI_TABLE_PROTOCOL  *AcpiProtocol
  26   );
  27
  28 EFI_STATUS
  29 EFIAPI
  30 InstallAcpiTables (
  31   IN   EFI_ACPI_TABLE_PROTOCOL  *AcpiTable
  32   );
  33
  34 VOID
  35 EnablePciDecoding (
  36   OUT ORIGINAL_ATTRIBUTES  **OriginalAttributes,
  37   OUT UINTN                *Count
  38   );
  39
  40 VOID
  41 RestorePciDecoding (
  42   IN ORIGINAL_ATTRIBUTES  *OriginalAttributes,
  43   IN UINTN                Count
  44   );
  45
  46 EFI_STATUS
  47 AllocateS3Context (
  48   OUT S3_CONTEXT  **S3Context,
  49   IN  UINTN       WritePointerCount
  50   );
  51
  52 VOID
  53 ReleaseS3Context (
  54   IN S3_CONTEXT  *S3Context
  55   );
  56
  57 EFI_STATUS
  58 SaveCondensedWritePointerToS3Context (
  59   IN OUT S3_CONTEXT  *S3Context,
  60   IN     UINT16      PointerItem,
  61   IN     UINT8       PointerSize,
  62   IN     UINT32      PointerOffset,
  63   IN     UINT64      PointerValue
  64   );
  65
  66 EFI_STATUS
  67 TransferS3ContextToBootScript (
  68   IN S3_CONTEXT  *S3Context
  69   );
  70
  71 #endif