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/**@file
Copyright (c) 2006, 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.
Module Name:
FwBlockService.h
Abstract:
Firmware volume block driver for Intel Firmware Hub (FWH) device
**/
#ifndef _FW_BLOCK_SERVICE_H
#define _FW_BLOCK_SERVICE_H
typedef struct {
UINTN FvBase;
UINTN NumOfBlocks;
EFI_FIRMWARE_VOLUME_HEADER VolumeHeader;
} EFI_FW_VOL_INSTANCE;
typedef struct {
UINT32 NumFv;
EFI_FW_VOL_INSTANCE *FvInstance;
} ESAL_FWB_GLOBAL;
extern ESAL_FWB_GLOBAL *mFvbModuleGlobal;
//
// Fvb Protocol instance data
//
#define FVB_DEVICE_FROM_THIS(a) CR (a, EFI_FW_VOL_BLOCK_DEVICE, \
FwVolBlockInstance, FVB_DEVICE_SIGNATURE)
#define FVB_EXTEND_DEVICE_FROM_THIS(a) CR (a, EFI_FW_VOL_BLOCK_DEVICE, \
FvbExtension, FVB_DEVICE_SIGNATURE)
#define FVB_DEVICE_SIGNATURE SIGNATURE_32 ('F', 'V', 'B', 'N')
typedef struct {
MEDIA_FW_VOL_DEVICE_PATH FvDevPath;
EFI_DEVICE_PATH_PROTOCOL EndDevPath;
} FV_PIWG_DEVICE_PATH;
typedef struct {
MEMMAP_DEVICE_PATH MemMapDevPath;
EFI_DEVICE_PATH_PROTOCOL EndDevPath;
} FV_MEMMAP_DEVICE_PATH;
typedef struct {
UINTN Signature;
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
UINTN Instance;
EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL FwVolBlockInstance;
} EFI_FW_VOL_BLOCK_DEVICE;
EFI_STATUS
GetFvbInfo (
IN UINT64 FvLength,
OUT EFI_FIRMWARE_VOLUME_HEADER **FvbInfo
);
EFI_STATUS
FvbSetVolumeAttributes (
IN UINTN Instance,
IN OUT EFI_FVB_ATTRIBUTES_2 *Attributes,
IN ESAL_FWB_GLOBAL *Global
);
EFI_STATUS
FvbGetVolumeAttributes (
IN UINTN Instance,
OUT EFI_FVB_ATTRIBUTES_2 *Attributes,
IN ESAL_FWB_GLOBAL *Global
);
EFI_STATUS
FvbGetPhysicalAddress (
IN UINTN Instance,
OUT EFI_PHYSICAL_ADDRESS *Address,
IN ESAL_FWB_GLOBAL *Global
);
EFI_STATUS
EFIAPI
FvbInitialize (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
);
VOID
EFIAPI
FvbClassAddressChangeEvent (
IN EFI_EVENT Event,
IN VOID *Context
);
EFI_STATUS
FvbGetLbaAddress (
IN UINTN Instance,
IN EFI_LBA Lba,
OUT UINTN *LbaAddress,
OUT UINTN *LbaLength,
OUT UINTN *NumOfBlocks,
IN ESAL_FWB_GLOBAL *Global
);
//
// Protocol APIs
//
EFI_STATUS
EFIAPI
FvbProtocolGetAttributes (
IN CONST EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
OUT EFI_FVB_ATTRIBUTES_2 *Attributes
);
EFI_STATUS
EFIAPI
FvbProtocolSetAttributes (
IN CONST EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
IN OUT EFI_FVB_ATTRIBUTES_2 *Attributes
);
EFI_STATUS
EFIAPI
FvbProtocolGetPhysicalAddress (
IN CONST EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
OUT EFI_PHYSICAL_ADDRESS *Address
);
EFI_STATUS
EFIAPI
FvbProtocolGetBlockSize (
IN CONST EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
IN CONST EFI_LBA Lba,
OUT UINTN *BlockSize,
OUT UINTN *NumOfBlocks
);
EFI_STATUS
EFIAPI
FvbProtocolRead (
IN CONST EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
IN CONST EFI_LBA Lba,
IN CONST UINTN Offset,
IN OUT UINTN *NumBytes,
IN UINT8 *Buffer
);
EFI_STATUS
EFIAPI
FvbProtocolWrite (
IN CONST EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
IN EFI_LBA Lba,
IN UINTN Offset,
IN OUT UINTN *NumBytes,
IN UINT8 *Buffer
);
EFI_STATUS
EFIAPI
FvbProtocolEraseBlocks (
IN CONST EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
...
);
//
// The following functions have different implementations dependent on the
// module type chosen for building this driver.
//
VOID
InstallProtocolInterfaces (
IN EFI_FW_VOL_BLOCK_DEVICE *FvbDevice
);
VOID
InstallVirtualAddressChangeHandler (
VOID
);
#endif
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