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/*++ @file
Firmware volume block driver for Intel Firmware Hub (FWH) device
Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
Portions copyright (c) 2011, Apple Inc. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef _FW_BLOCK_SERVICE_H
#define _FW_BLOCK_SERVICE_H
//
// BugBug: Add documentation here for data structure!!!!
//
#define FVB_PHYSICAL 0
#define FVB_VIRTUAL 1
typedef struct {
EFI_LOCK FvbDevLock;
UINTN FvBase[2];
UINTN NumOfBlocks;
EFI_FIRMWARE_VOLUME_HEADER VolumeHeader;
} EFI_FW_VOL_INSTANCE;
typedef struct {
UINT32 NumFv;
EFI_FW_VOL_INSTANCE *FvInstance[2];
} ESAL_FWB_GLOBAL;
//
// 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 {
MEMMAP_DEVICE_PATH MemMapDevPath;
EFI_DEVICE_PATH_PROTOCOL EndDevPath;
} FV_DEVICE_PATH;
typedef struct {
UINTN Signature;
FV_DEVICE_PATH 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
FvbReadBlock (
IN UINTN Instance,
IN EFI_LBA Lba,
IN UINTN BlockOffset,
IN OUT UINTN *NumBytes,
IN UINT8 *Buffer,
IN ESAL_FWB_GLOBAL *Global,
IN BOOLEAN Virtual
)
;
EFI_STATUS
FvbWriteBlock (
IN UINTN Instance,
IN EFI_LBA Lba,
IN UINTN BlockOffset,
IN OUT UINTN *NumBytes,
IN UINT8 *Buffer,
IN ESAL_FWB_GLOBAL *Global,
IN BOOLEAN Virtual
)
;
EFI_STATUS
FvbEraseBlock (
IN UINTN Instance,
IN EFI_LBA Lba,
IN ESAL_FWB_GLOBAL *Global,
IN BOOLEAN Virtual
)
;
EFI_STATUS
FvbSetVolumeAttributes (
IN UINTN Instance,
IN OUT EFI_FVB_ATTRIBUTES_2 *Attributes,
IN ESAL_FWB_GLOBAL *Global,
IN BOOLEAN Virtual
)
;
EFI_STATUS
FvbGetVolumeAttributes (
IN UINTN Instance,
OUT EFI_FVB_ATTRIBUTES_2 *Attributes,
IN ESAL_FWB_GLOBAL *Global,
IN BOOLEAN Virtual
)
;
EFI_STATUS
FvbGetPhysicalAddress (
IN UINTN Instance,
OUT EFI_PHYSICAL_ADDRESS *Address,
IN ESAL_FWB_GLOBAL *Global,
IN BOOLEAN Virtual
)
;
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,
IN BOOLEAN Virtual
)
;
//
// 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 EFI_LBA Lba,
OUT UINTN *BlockSize,
OUT UINTN *NumOfBlocks
)
;
EFI_STATUS
EFIAPI
FvbProtocolRead (
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
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,
...
)
;
#endif
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