/** @file
  Common defines and definitions for a component update driver.

  Copyright (c) 2002 - 2010, Intel Corporation. All rights reserved.<BR>

  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 _EFI_UPDATE_DRIVER_H_
#define _EFI_UPDATE_DRIVER_H_

#include <PiDxe.h>

#include <Protocol/LoadedImage.h>
#include <Guid/Capsule.h>
#include <Guid/CapsuleDataFile.h>
#include <Protocol/FaultTolerantWrite.h>
#include <Protocol/FirmwareVolumeBlock.h>
#include <Protocol/FirmwareVolume2.h>

#include <Library/BaseLib.h>
#include <Library/DebugLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/UefiRuntimeServicesTableLib.h>
#include <Library/UefiDriverEntryPoint.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/DxeServicesTableLib.h>
#include <Library/HiiLib.h>
#include <Library/PrintLib.h>
#include <Library/DevicePathLib.h>

extern EFI_HII_HANDLE gHiiHandle;

typedef enum {
  UpdateWholeFV = 0,              // 0, update whole FV
  UpdateFvFile,                   // 1, update a set of FV files asynchronously
  UpdateFvRange,                  // 2, update part of FV or flash
  UpdateOperationMaximum          // 3
} UPDATE_OPERATION_TYPE;

typedef struct {
  UINTN                           Index;
  UPDATE_OPERATION_TYPE           UpdateType;
  EFI_DEVICE_PATH_PROTOCOL        DevicePath;
  EFI_PHYSICAL_ADDRESS            BaseAddress;
  EFI_GUID                        FileGuid;
  UINTN                           Length;
  BOOLEAN                         FaultTolerant;
} UPDATE_CONFIG_DATA;

typedef struct _SECTION_ITEM SECTION_ITEM;
struct _SECTION_ITEM {
  CHAR8                           *ptrSection;
  UINTN                           SecNameLen;
  CHAR8                           *ptrEntry;
  CHAR8                           *ptrValue;
  SECTION_ITEM                    *ptrNext;
};

typedef struct _COMMENT_LINE COMMENT_LINE;
struct _COMMENT_LINE {
  CHAR8                           *ptrComment;
  COMMENT_LINE                    *ptrNext;
};

typedef struct {
  EFI_GUID                        FileGuid;
} UPDATE_PRIVATE_DATA;

#define MAX_LINE_LENGTH           512
#define EFI_D_UPDATE              EFI_D_ERROR

#define MIN_ALIGNMENT_SIZE        4
#define ALIGN_SIZE(a)   ((a % MIN_ALIGNMENT_SIZE) ? MIN_ALIGNMENT_SIZE - (a % MIN_ALIGNMENT_SIZE) : 0)

/**
  Parse Config data file to get the updated data array.

  @param DataBuffer      Config raw file buffer.
  @param BufferSize      Size of raw buffer.
  @param NumOfUpdates    Pointer to the number of update data.
  @param UpdateArray     Pointer to the config of update data.

  @retval EFI_NOT_FOUND         No config data is found.
  @retval EFI_OUT_OF_RESOURCES  No enough memory is allocated.
  @retval EFI_SUCCESS           Parse the config file successfully.

**/
EFI_STATUS
ParseUpdateDataFile (
  IN      UINT8                         *DataBuffer,
  IN      UINTN                         BufferSize,
  IN OUT  UINTN                         *NumOfUpdates,
  IN OUT  UPDATE_CONFIG_DATA            **UpdateArray
  );

/**
  Update the whole FV image, and reinsall FVB protocol for the updated FV image.

  @param FvbHandle       Handle of FVB protocol for the updated flash range.
  @param FvbProtocol     FVB protocol.
  @param ConfigData      Config data on updating driver.
  @param ImageBuffer     Image buffer to be updated.
  @param ImageSize       Image size.

  @retval EFI_INVALID_PARAMETER  Update type is not UpdateWholeFV.
                                 Or Image size is not same to the size of whole FV.
  @retval EFI_OUT_OF_RESOURCES   No enoug memory is allocated.
  @retval EFI_SUCCESS            FV image is updated, and its FVB protocol is reinstalled.

**/
EFI_STATUS
PerformUpdateOnWholeFv (
  IN EFI_HANDLE                         FvbHandle,
  IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *FvbProtocol,
  IN UPDATE_CONFIG_DATA                 *ConfigData,
  IN UINT8                              *ImageBuffer,
  IN UINTN                              ImageSize
  );

/**
  Update certain file in the FV.

  @param FvbHandle       Handle of FVB protocol for the updated flash range.
  @param FvbProtocol     FVB protocol.
  @param ConfigData      Config data on updating driver.
  @param ImageBuffer     Image buffer to be updated.
  @param ImageSize       Image size.
  @param FileType        FFS file type.
  @param FileAttributes  FFS file attribute

  @retval EFI_INVALID_PARAMETER  Update type is not UpdateFvFile.
                                 Or Image size is not same to the size of whole FV.
  @retval EFI_UNSUPPORTED        PEIM FFS is unsupported to be updated.
  @retval EFI_SUCCESS            The FFS file is added into FV.

**/
EFI_STATUS
PerformUpdateOnFvFile (
  IN EFI_HANDLE                         FvbHandle,
  IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *FvbProtocol,
  IN UPDATE_CONFIG_DATA                 *ConfigData,
  IN UINT8                              *ImageBuffer,
  IN UINTN                              ImageSize,
  IN EFI_FV_FILETYPE                    FileType,
  IN EFI_FV_FILE_ATTRIBUTES             FileAttributes
  );

/**
  Update the buffer into flash area in fault tolerant write method.

  @param ImageBuffer     Image buffer to be updated.
  @param SizeLeft        Size of the image buffer.
  @param UpdatedSize     Size of the updated buffer.
  @param ConfigData      Config data on updating driver.
  @param FlashAddress    Flash address to be updated as start address.
  @param FvbProtocol     FVB protocol.
  @param FvbHandle       Handle of FVB protocol for the updated flash range.

  @retval EFI_SUCCESS            Buffer data is updated into flash.
  @retval EFI_INVALID_PARAMETER  Base flash address is not in FVB flash area.
  @retval EFI_NOT_FOUND          FTW protocol doesn't exist.
  @retval EFI_OUT_OF_RESOURCES   No enough backup space.
  @retval EFI_ABORTED            Error happen when update flash area.

**/
EFI_STATUS
FaultTolerantUpdateOnPartFv (
  IN       UINT8                         *ImageBuffer,
  IN       UINTN                         SizeLeft,
  IN OUT   UINTN                         *UpdatedSize,
  IN       UPDATE_CONFIG_DATA            *ConfigData,
  IN       EFI_PHYSICAL_ADDRESS          FlashAddress,
  IN       EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *FvbProtocol,
  IN       EFI_HANDLE                    FvbHandle
  );

/**
  Directly update the buffer into flash area without fault tolerant write method.

  @param ImageBuffer     Image buffer to be updated.
  @param SizeLeft        Size of the image buffer.
  @param UpdatedSize     Size of the updated buffer.
  @param FlashAddress    Flash address to be updated as start address.
  @param FvbProtocol     FVB protocol.
  @param FvbHandle       Handle of FVB protocol for the updated flash range.

  @retval EFI_SUCCESS            Buffer data is updated into flash.
  @retval EFI_INVALID_PARAMETER  Base flash address is not in FVB flash area.
  @retval EFI_OUT_OF_RESOURCES   No enough backup space.

**/
EFI_STATUS
NonFaultTolerantUpdateOnPartFv (
  IN      UINT8                         *ImageBuffer,
  IN      UINTN                         SizeLeft,
  IN OUT  UINTN                         *UpdatedSize,
  IN      EFI_PHYSICAL_ADDRESS          FlashAddress,
  IN      EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *FvbProtocol,
  IN      EFI_HANDLE                    FvbHandle
  );

#endif