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