audk/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.h

110 lines
2.9 KiB
C

/** @file
The internal header file includes the common header files, defines
internal structure and functions used by RuntimeVariable module.
Copyright (c) 2006 - 2008, Intel Corporation
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef _VARIABLE_H
#define _VARIABLE_H
#include <PiDxe.h>
#include <Protocol/VariableWrite.h>
#include <Protocol/FaultTolerantWriteLite.h>
#include <Protocol/FirmwareVolumeBlock.h>
#include <Protocol/Variable.h>
#include <Library/PcdLib.h>
#include <Library/UefiDriverEntryPoint.h>
#include <Library/DxeServicesTableLib.h>
#include <Library/UefiRuntimeLib.h>
#include <Library/DebugLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/FvbServiceLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiLib.h>
#include <Library/BaseLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/HobLib.h>
#include <Guid/VariableInfo.h>
#include <Guid/GlobalVariable.h>
#include <VariableFormat.h>
#define VARIABLE_RECLAIM_THRESHOLD (1024)
#define VARIABLE_STORE_SIZE FixedPcdGet32(PcdVariableStoreSize)
#define SCRATCH_SIZE FixedPcdGet32(PcdMaxVariableSize)
//
// Define GET_PAD_SIZE to optimize compiler
//
#if ((ALIGNMENT == 0) || (ALIGNMENT == 1))
#define GET_PAD_SIZE(a) (0)
#else
#define GET_PAD_SIZE(a) (((~a) + 1) & (ALIGNMENT - 1))
#endif
#define HEADER_ALIGN(Header) (((UINTN) (Header) + HEADER_ALIGNMENT - 1) & (~(HEADER_ALIGNMENT - 1)))
typedef struct {
VARIABLE_HEADER *CurrPtr;
VARIABLE_HEADER *EndPtr;
VARIABLE_HEADER *StartPtr;
BOOLEAN Volatile;
} VARIABLE_POINTER_TRACK;
typedef struct {
EFI_PHYSICAL_ADDRESS VolatileVariableBase;
EFI_PHYSICAL_ADDRESS NonVolatileVariableBase;
EFI_LOCK VariableServicesLock;
UINT32 ReentrantState;
} VARIABLE_GLOBAL;
typedef struct {
VARIABLE_GLOBAL VariableGlobal;
UINTN VolatileLastVariableOffset;
UINTN NonVolatileLastVariableOffset;
UINT32 FvbInstance;
} VARIABLE_MODULE_GLOBAL;
typedef struct {
EFI_GUID *Guid;
CHAR16 *Name;
UINT32 Attributes;
UINTN DataSize;
VOID *Data;
} VARIABLE_CACHE_ENTRY;
//
// Functions
//
EFI_STATUS
EFIAPI
VariableServiceInitialize (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
);
EFI_STATUS
FtwVariableSpace (
IN EFI_PHYSICAL_ADDRESS VariableBaseAddress,
IN UINT8 *Buffer,
IN UINTN BufferSize
);
#endif