kernel/eka/drivers/medmmc/bgahsmmcptn.h
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     1 // Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of the License "Eclipse Public License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 // Partition Management for Embedded MMC devices
       
    15 // 
       
    16 //
       
    17 
       
    18 #ifndef BGAHSMMCPTN_H
       
    19 #define BGAHSMMCPTN_H
       
    20 
       
    21 /* Partition attributes */
       
    22 #define BGAHSMMCPTN_ATTR_READ 0x00
       
    23 #define BGAHSMMCPTN_ATTR_WRITE 0x01
       
    24 
       
    25 /* Partition information ID and fixed size */
       
    26 #define BGAHSMMCPTN_PI_ID "BGAHSMMCPI:"
       
    27 #define BGAHSMMCPTN_PI_ID_SIZE 12 /* Fixed (4B aligned) */
       
    28 
       
    29 /* Partition information version */
       
    30 #define BGAHSMMCPTN_PI_VER_MAJOR	1
       
    31 #define BGAHSMMCPTN_PI_VER_MINOR	0
       
    32 
       
    33 #define BGAHSMMCPTN_LAST_DRIVE		7 /* MMC1_DRIVECOUNT - defined in variantmediadef.h */
       
    34 
       
    35 typedef struct
       
    36 {
       
    37 	TUint32 start_sector;			/* Partition start sector */
       
    38 	TUint32 size;					/* Partition size in sectors */
       
    39 	TUint32 attributes;				/* RO, RW attributes (bitmask) */
       
    40 	TUint8  partition_id;			/* Partition number */
       
    41 	TUint8  reserved1[3];			/* Reserved (padding for compiler alignment)*/
       
    42 	TUint32 partition_attributes;	/* Partition attributes (see e32const.h) */
       
    43 	TUint8  reserved2[8];			/* Reserved */
       
    44 /* = 28 bytes */
       
    45 } BGAHSMMCPTN_PART_STR;
       
    46 
       
    47 typedef struct
       
    48 {
       
    49 	TUint8 id[BGAHSMMCPTN_PI_ID_SIZE];	/* Partition information version */
       
    50 	TUint32 sector_size;			/* Used sector size */
       
    51 	TUint16 major_ver;				/* Major version number */
       
    52 	TUint16 minor_ver;				/* Minor version number */
       
    53 	TUint16 partition_amount;		/* The amount of partitions */
       
    54 	TUint8 reserved[42];			/* Reserved */
       
    55 /* = 64 bytes */
       
    56 	BGAHSMMCPTN_PART_STR partitions[BGAHSMMCPTN_LAST_DRIVE];
       
    57 } BGAHSMMCPTN_PI_STR;
       
    58 
       
    59 #define BGAHSMMCPTN_PI_STR_SIZE sizeof( BGAHSMMCPTN_PI_STR )
       
    60 
       
    61 #endif /*BGAHSMMCPTN_H*/