kernel/eka/drivers/medmmc/bgahsmmcptn.h
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// Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of the License "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// Partition Management for Embedded MMC devices
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// 
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//
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#ifndef BGAHSMMCPTN_H
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#define BGAHSMMCPTN_H
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/* Partition attributes */
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#define BGAHSMMCPTN_ATTR_READ 0x00
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#define BGAHSMMCPTN_ATTR_WRITE 0x01
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/* Partition information ID and fixed size */
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#define BGAHSMMCPTN_PI_ID "BGAHSMMCPI:"
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#define BGAHSMMCPTN_PI_ID_SIZE 12 /* Fixed (4B aligned) */
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/* Partition information version */
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#define BGAHSMMCPTN_PI_VER_MAJOR	1
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#define BGAHSMMCPTN_PI_VER_MINOR	1
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/* Partition type field supported from version 1.1 onwards */
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#define BGAHSMMCPTN_PART_TYPE_SUPP_VER_MINOR    1
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#define BGAHSMMCPTN_LAST_DRIVE		16 /* MMC1_DRIVECOUNT - defined in variantmediadef.h */
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typedef struct
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{
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	TUint32 iStart_sector;			/* Partition start sector */
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	TUint32 iSize;					/* Partition size in sectors */
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	TUint32 iAttributes;			/* RO, RW attributes (bitmask) */
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	TUint8  iPartition_id;			/* Partition number - v1.0 - partition type v1.1 - drive number*/
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	TUint8  iPartition_type;         /* Partition Type - v1.1 onwards */
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	TUint8  iReserved1[2];			/* Reserved (padding for compiler alignment)*/
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	TUint32 iPartition_attributes;	/* Partition attributes (see e32const.h) */
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	TUint8  iReserved2[8];			/* Reserved */
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/* = 28 bytes */
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} BGAHSMMCPTN_PART_STR;
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typedef struct
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{
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	TUint8  iId[BGAHSMMCPTN_PI_ID_SIZE];	/* Partition information version */
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	TUint32 iSector_size;			/* Used sector size */
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	TUint16 iMajor_ver;				/* Major version number */
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	TUint16 iMinor_ver;				/* Minor version number */
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	TUint16 iPartition_amount;		/* The amount of partitions */
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	TUint8  iReserved[42];			/* Reserved */
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/* = 64 bytes */
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	BGAHSMMCPTN_PART_STR iPartitions[BGAHSMMCPTN_LAST_DRIVE];	
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} BGAHSMMCPTN_PI_STR;
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#define BGAHSMMCPTN_PI_STR_SIZE sizeof( BGAHSMMCPTN_PI_STR )
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const TUint32 KBB5HeaderSizeInSectors   = 8;
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const TUint32 KPIOffsetFromMediaEnd     = 1;
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// magic value of BB5_COMMON header
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const TUint32 KBB5_CommonHeaderMagic    = 0x809795A3UL;
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// size of aligned header for NCPx.XX
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const TUint32 KBB5_CommonHeaderSize     = 0x1000; //real size is 0x3d0;
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// size of aligned header for NCPX.XX in case of DP usage
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const TUint32 KBB5_CommonHeaderSizeDp   = 0x1000; //real size is 0x3d0;
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#endif /*BGAHSMMCPTN_H*/