diff options
Diffstat (limited to 'MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.h')
| -rw-r--r-- | MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.h | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.h b/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.h new file mode 100644 index 0000000000..904a681c33 --- /dev/null +++ b/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.h @@ -0,0 +1,175 @@ +/*++
+
+Copyright (c) 2006 - 2007, 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.
+
+Module Name:
+
+ Variable.h
+
+Abstract:
+
+--*/
+
+#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 <Common/FlashMap.h>
+#include <Guid/FlashMapHob.h>
+
+//
+// BugBug: We need relcate the head file.
+//
+#include <Common/Variable.h>
+
+#define VARIABLE_RECLAIM_THRESHOLD (1024)
+
+#define VARIABLE_STORE_SIZE (64 * 1024)
+#define SCRATCH_SIZE (4 * 1024)
+
+//
+// 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 GET_VARIABLE_NAME_PTR(a) (CHAR16 *) ((UINTN) (a) + sizeof (VARIABLE_HEADER))
+
+typedef enum {
+ Physical,
+ Virtual
+} VARIABLE_POINTER_TYPE;
+
+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;
+} VARIABLE_GLOBAL;
+
+typedef struct {
+ VARIABLE_GLOBAL VariableGlobal[2];
+ UINTN VolatileLastVariableOffset;
+ UINTN NonVolatileLastVariableOffset;
+ UINT32 FvbInstance;
+} ESAL_VARIABLE_GLOBAL;
+
+extern ESAL_VARIABLE_GLOBAL *mVariableModuleGlobal;
+
+//
+// Functions
+//
+EFI_STATUS
+EFIAPI
+VariableCommonInitialize (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ );
+
+EFI_STATUS
+EFIAPI
+VariableServiceInitialize (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ );
+
+VOID
+EFIAPI
+VariableClassAddressChangeEvent (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ );
+
+EFI_STATUS
+EFIAPI
+GetVariable (
+ IN CHAR16 *VariableName,
+ IN EFI_GUID * VendorGuid,
+ OUT UINT32 *Attributes OPTIONAL,
+ IN OUT UINTN *DataSize,
+ OUT VOID *Data,
+ IN VARIABLE_GLOBAL * Global,
+ IN UINT32 Instance
+ );
+
+EFI_STATUS
+EFIAPI
+GetNextVariableName (
+ IN OUT UINTN *VariableNameSize,
+ IN OUT CHAR16 *VariableName,
+ IN OUT EFI_GUID *VendorGuid,
+ IN VARIABLE_GLOBAL *Global,
+ IN UINT32 Instance
+ );
+
+EFI_STATUS
+EFIAPI
+SetVariable (
+ IN CHAR16 *VariableName,
+ IN EFI_GUID *VendorGuid,
+ IN UINT32 Attributes,
+ IN UINTN DataSize,
+ IN VOID *Data,
+ IN VARIABLE_GLOBAL *Global,
+ IN UINTN *VolatileOffset,
+ IN UINTN *NonVolatileOffset,
+ IN UINT32 Instance
+ );
+
+EFI_STATUS
+EFIAPI
+QueryVariableInfo (
+ IN UINT32 Attributes,
+ OUT UINT64 *MaximumVariableStorageSize,
+ OUT UINT64 *RemainingVariableStorageSize,
+ OUT UINT64 *MaximumVariableSize,
+ IN VARIABLE_GLOBAL *Global,
+ IN UINT32 Instance
+ );
+
+EFI_STATUS
+GetFvbHandleByAddress (
+ IN EFI_PHYSICAL_ADDRESS VariableStoreBase,
+ OUT EFI_HANDLE *FvbHandle
+ );
+
+EFI_STATUS
+FtwVariableSpace (
+ IN EFI_PHYSICAL_ADDRESS VariableBaseAddress,
+ IN UINT8 *Buffer,
+ IN UINTN BufferSize
+ );
+
+#endif
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