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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3 6f19259b-4bc3-4df7-8a09-765794883524
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bbahnsen
2006-04-21 22:54:32 +00:00
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123
EdkModulePkg/Universal/Disk/Partition/Dxe/Partition.h Normal file
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/*++
Copyright (c) 2006, 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:
Partition.h
Abstract:
Partition driver that produces logical BlockIo devices from a physical
BlockIo device. The logical BlockIo devices are based on the format
of the raw block devices media. Currently "El Torito CD-ROM", Legacy
MBR, and GPT partition schemes are supported.
Revision History
--*/
#ifndef __PARTITION_H__
#define __PARTITION_H__
//
// Partition private data
//
#define PARTITION_PRIVATE_DATA_SIGNATURE EFI_SIGNATURE_32 ('P', 'a', 'r', 't')
typedef struct {
UINT64 Signature;
EFI_HANDLE Handle;
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
EFI_BLOCK_IO_PROTOCOL BlockIo;
EFI_BLOCK_IO_MEDIA Media;
EFI_DISK_IO_PROTOCOL *DiskIo;
EFI_BLOCK_IO_PROTOCOL *ParentBlockIo;
UINT64 Start;
UINT64 End;
UINT32 BlockSize;
EFI_GUID *EspGuid;
} PARTITION_PRIVATE_DATA;
#define PARTITION_DEVICE_FROM_BLOCK_IO_THIS(a) CR (a, PARTITION_PRIVATE_DATA, BlockIo, PARTITION_PRIVATE_DATA_SIGNATURE)
//
// Global Variables
//
extern EFI_DRIVER_BINDING_PROTOCOL gPartitionDriverBinding;
extern EFI_COMPONENT_NAME_PROTOCOL gPartitionComponentName;
//
// Extract INT32 from char array
//
#define UNPACK_INT32(a) (INT32)( (((UINT8 *) a)[0] << 0) | \
(((UINT8 *) a)[1] << 8) | \
(((UINT8 *) a)[2] << 16) | \
(((UINT8 *) a)[3] << 24) )
//
// Extract UINT32 from char array
//
#define UNPACK_UINT32(a) (UINT32)( (((UINT8 *) a)[0] << 0) | \
(((UINT8 *) a)[1] << 8) | \
(((UINT8 *) a)[2] << 16) | \
(((UINT8 *) a)[3] << 24) )
EFI_STATUS
PartitionInstallChildHandle (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE ParentHandle,
IN EFI_DISK_IO_PROTOCOL *ParentDiskIo,
IN EFI_BLOCK_IO_PROTOCOL *ParentBlockIo,
IN EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath,
IN EFI_DEVICE_PATH_PROTOCOL *DevicePathNode,
IN UINT64 Start,
IN UINT64 End,
IN UINT32 BlockSize,
IN BOOLEAN InstallEspGuid
)
;
BOOLEAN
PartitionInstallGptChildHandles (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Handle,
IN EFI_DISK_IO_PROTOCOL *DiskIo,
IN EFI_BLOCK_IO_PROTOCOL *BlockIo,
IN EFI_DEVICE_PATH_PROTOCOL *DevicePath
)
;
BOOLEAN
PartitionInstallElToritoChildHandles (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Handle,
IN EFI_DISK_IO_PROTOCOL *DiskIo,
IN EFI_BLOCK_IO_PROTOCOL *BlockIo,
IN EFI_DEVICE_PATH_PROTOCOL *DevicePath
)
;
BOOLEAN
PartitionInstallMbrChildHandles (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Handle,
IN EFI_DISK_IO_PROTOCOL *DiskIo,
IN EFI_BLOCK_IO_PROTOCOL *BlockIo,
IN EFI_DEVICE_PATH_PROTOCOL *DevicePath
)
;
#endif