MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.h

   1 /** @file
   2
   3   The internal header file includes the common header files, defines
   4   internal structure and functions used by RuntimeVariable module.
   5
   6 Copyright (c) 2006 - 2008, Intel Corporation
   7 All rights reserved. This program and the accompanying materials
   8 are licensed and made available under the terms and conditions of the BSD License
   9 which accompanies this distribution.  The full text of the license may be found at
  10 http://opensource.org/licenses/bsd-license.php
  11
  12 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  13 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  14
  15 **/
  16
  17 #ifndef _VARIABLE_H_
  18 #define _VARIABLE_H_
  19
  20 #include <PiDxe.h>
  21 #include <Protocol/VariableWrite.h>
  22 #include <Protocol/FaultTolerantWriteLite.h>
  23 #include <Protocol/FirmwareVolumeBlock.h>
  24 #include <Protocol/Variable.h>
  25 #include <Library/PcdLib.h>
  26 #include <Library/UefiDriverEntryPoint.h>
  27 #include <Library/DxeServicesTableLib.h>
  28 #include <Library/UefiRuntimeLib.h>
  29 #include <Library/DebugLib.h>
  30 #include <Library/BaseMemoryLib.h>
  31 #include <Library/FvbServiceLib.h>
  32 #include <Library/UefiBootServicesTableLib.h>
  33 #include <Library/UefiLib.h>
  34 #include <Library/BaseLib.h>
  35 #include <Library/MemoryAllocationLib.h>
  36 #include <Guid/VariableInfo.h>
  37 #include <Guid/GlobalVariable.h>
  38 #include <VariableFormat.h>
  39
  40 #define VARIABLE_RECLAIM_THRESHOLD (1024)
  41
  42 typedef struct {
  43   VARIABLE_HEADER *CurrPtr;
  44   VARIABLE_HEADER *EndPtr;
  45   VARIABLE_HEADER *StartPtr;
  46   BOOLEAN         Volatile;
  47 } VARIABLE_POINTER_TRACK;
  48
  49 typedef struct {
  50   EFI_PHYSICAL_ADDRESS  VolatileVariableBase;
  51   EFI_PHYSICAL_ADDRESS  NonVolatileVariableBase;
  52   EFI_LOCK              VariableServicesLock;
  53   UINT32                ReentrantState;
  54 } VARIABLE_GLOBAL;
  55
  56 typedef struct {
  57   VARIABLE_GLOBAL VariableGlobal;
  58   UINTN           VolatileLastVariableOffset;
  59   UINTN           NonVolatileLastVariableOffset;
  60   UINT32          FvbInstance;
  61 } VARIABLE_MODULE_GLOBAL;
  62
  63 typedef struct {
  64   EFI_GUID    *Guid;
  65   CHAR16      *Name;
  66   UINT32      Attributes;
  67   UINTN       DataSize;
  68   VOID        *Data;
  69 } VARIABLE_CACHE_ENTRY;
  70
  71 #endif