56d7640a53
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10439 6f19259b-4bc3-4df7-8a09-765794883524
141 lines
3.9 KiB
C
141 lines
3.9 KiB
C
/*++
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Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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Module Name:
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FwBlockService.h
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Abstract:
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Firmware volume block driver for Intel Firmware Hub (FWH) device
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--*/
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#ifndef _FW_BLOCK_SERVICE_H
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#define _FW_BLOCK_SERVICE_H
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//
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// Fvb Protocol instance data
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//
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#define FVB_DEVICE_FROM_THIS(a) CR (a, EFI_FW_VOL_BLOCK_DEVICE, FwVolBlockInstance, FVB_DEVICE_SIGNATURE)
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#define FVB_DEVICE_SIGNATURE SIGNATURE_32 ('F', 'V', 'B', 'N')
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#pragma pack (1)
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typedef struct {
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EFI_FIRMWARE_VOLUME_HEADER FvHdr;
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EFI_FV_BLOCK_MAP_ENTRY EndBlockMap;
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VARIABLE_STORE_HEADER VarHdr;
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} FVB_FV_HDR_AND_VARS_TEMPLATE;
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typedef struct {
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MEMMAP_DEVICE_PATH MemMapDevPath;
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EFI_DEVICE_PATH_PROTOCOL EndDevPath;
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} FV_DEVICE_PATH;
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#pragma pack ()
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typedef struct {
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UINTN Signature;
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FV_DEVICE_PATH DevicePath;
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VOID *BufferPtr;
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UINTN BlockSize;
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UINTN Size;
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EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL FwVolBlockInstance;
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} EFI_FW_VOL_BLOCK_DEVICE;
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//
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// Constants
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//
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#define EMU_FVB_BLOCK_SIZE (FixedPcdGet32 (PcdFlashNvStorageFtwSpareSize))
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#define EMU_FVB_SIZE (2 * FixedPcdGet32 (PcdFlashNvStorageFtwSpareSize))
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#define FTW_WRITE_QUEUE_SIZE \
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(FixedPcdGet32 (PcdFlashNvStorageFtwWorkingSize) - \
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sizeof (EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER))
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#define EMU_FV_HEADER_LENGTH OFFSET_OF (FVB_FV_HDR_AND_VARS_TEMPLATE, VarHdr)
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#define NOT_ERASED_BIT 0
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#define ERASED_BIT 1
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#define ERASED_UINT8 0xff
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#define ERASED_UINT32 0xffffffff
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//
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// Protocol APIs
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//
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EFI_STATUS
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EFIAPI
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FvbProtocolGetAttributes (
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IN CONST EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
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OUT EFI_FVB_ATTRIBUTES_2 *Attributes
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)
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;
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EFI_STATUS
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EFIAPI
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FvbProtocolSetAttributes (
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IN CONST EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
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IN OUT EFI_FVB_ATTRIBUTES_2 *Attributes
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)
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;
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EFI_STATUS
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EFIAPI
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FvbProtocolGetPhysicalAddress (
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IN CONST EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
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OUT EFI_PHYSICAL_ADDRESS *Address
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)
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;
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EFI_STATUS
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EFIAPI
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FvbProtocolGetBlockSize (
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IN CONST EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
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IN EFI_LBA Lba,
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OUT UINTN *BlockSize,
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OUT UINTN *NumberOfBlocks
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)
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;
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EFI_STATUS
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EFIAPI
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FvbProtocolRead (
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IN CONST EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
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IN EFI_LBA Lba,
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IN UINTN Offset,
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IN OUT UINTN *NumBytes,
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IN OUT UINT8 *Buffer
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)
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;
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EFI_STATUS
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EFIAPI
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FvbProtocolWrite (
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IN CONST EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
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IN EFI_LBA Lba,
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IN UINTN Offset,
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IN OUT UINTN *NumBytes,
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IN UINT8 *Buffer
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)
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;
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EFI_STATUS
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EFIAPI
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FvbProtocolEraseBlocks (
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IN CONST EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
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...
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)
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;
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#endif
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