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/**@file
Copyright (c) 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:
FwBlockService.h
Abstract:
Firmware volume block driver for Intel Firmware Hub (FWH) device
**/
#ifndef _FW_BLOCK_SERVICE_H
#define _FW_BLOCK_SERVICE_H
//
// The package level header files this module uses
//
#include <PiDxe.h>
//
// The protocols, PPI and GUID defintions for this module
//
#include <Guid/EventGroup.h>
#include <Guid/FirmwareFileSystem2.h>
#include <Protocol/FirmwareVolumeBlock.h>
#include <Protocol/DevicePath.h>
#include <Protocol/SimpleFileSystem.h>
#include <Protocol/BlockIo.h>
#include <Library/DevicePathLib.h>
#include <Guid/SystemNvDataGuid.h>
#include <Guid/FlashMapHob.h>
#include <Guid/HobList.h>
//
// The Library classes this module consumes
//
#include <Library/UefiLib.h>
#include <Library/UefiDriverEntryPoint.h>
#include <Library/BaseLib.h>
#include <Library/DxeServicesTableLib.h>
#include <Library/UefiRuntimeLib.h>
#include <Library/DebugLib.h>
#include <Library/HobLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/PcdLib.h>
#define FWH_READ_LOCK (1 << 2)
#define FWH_LOCK_DOWN (1 << 1)
#define FWH_WRITE_LOCK 1
#define FWH_WRITE_STATE_STATUS (1 << 7)
#define FWH_ERASE_STATUS (1 << 5)
#define FWH_PROGRAM_STATUS (1 << 4)
#define FWH_VPP_STATUS (1 << 3)
#define STALL_TIME 5
#define FWH_ERASE_STATUS_BITS (FWH_ERASE_STATUS || FWH_VPP_STATUS)
#define FWH_WRITE_STATUS_BITS (FWH_WRITE_STATUS || FWH_VPP_STATUS)
//
// BugBug: Add documentation here for data structure!!!!
//
#define FVB_PHYSICAL 0
#define FVB_VIRTUAL 1
#define EFI_FVB2_CAPABILITIES (EFI_FVB2_READ_DISABLED_CAP | \
EFI_FVB2_READ_ENABLED_CAP | \
EFI_FVB2_WRITE_DISABLED_CAP | \
EFI_FVB2_WRITE_ENABLED_CAP | \
EFI_FVB2_LOCK_CAP \
)
#define EFI_FVB2_STATUS (EFI_FVB2_READ_STATUS | EFI_FVB2_WRITE_STATUS | EFI_FVB2_LOCK_STATUS)
typedef struct {
EFI_LOCK FvbDevLock;
UINTN FvBase[2];
//
// We can treat VolumeSignature combined with MappedFile
// as a unique key to locate the mapped file.
#define MAX_PATH 256
UINT32 VolumeId;
CHAR16 MappedFile[MAX_PATH];
UINT32 ActuralSize;
UINT32 Offset;
EFI_DEVICE_PATH_PROTOCOL *Device; // only used in BS period, won't use after memory map changed
UINTN NumOfBlocks;
BOOLEAN WriteEnabled;
EFI_FIRMWARE_VOLUME_HEADER VolumeHeader;
} EFI_FW_VOL_INSTANCE;
typedef struct {
UINT32 NumFv;
EFI_FW_VOL_INSTANCE *FvInstance[2];
UINT8 *FvbScratchSpace[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', 'C')
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 EFI_PHYSICAL_ADDRESS FvBaseAddress,
OUT EFI_FIRMWARE_VOLUME_HEADER **FvbInfo
);
EFI_STATUS
EnableFvbWrites (
IN BOOLEAN EnableWrites
);
EFI_STATUS
PlatformGetFvbWriteBase (
IN UINTN CurrentBaseAddress,
IN UINTN *NewBaseAddress,
IN BOOLEAN *WriteEnabled
);
EFI_STATUS
EnablePlatformFvb (
VOID
);
BOOLEAN
SetPlatformFvbLock (
IN UINTN LbaAddress
);
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
FvbSpecificInitialize (
IN ESAL_FWB_GLOBAL *mFvbModuleGlobal
);
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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