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/*

 * Copyright © 1999-2010 David Woodhouse <dwmw2@infradead.org>

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

 *

 */

#ifndef __MTD_NFTL_USER_H__

#define __MTD_NFTL_USER_H__

#include <linux/types.h>

/* Block Control Information */

struct nftl_bci {

        unsigned char ECCSig[6];

        __u8 Status;

        __u8 Status1;

}__attribute__((packed));

/* Unit Control Information */

struct nftl_uci0 {

        __u16 VirtUnitNum;

        __u16 ReplUnitNum;

        __u16 SpareVirtUnitNum;

        __u16 SpareReplUnitNum;

} __attribute__((packed));

struct nftl_uci1 {

        __u32 WearInfo;

        __u16 EraseMark;

        __u16 EraseMark1;

} __attribute__((packed));

struct nftl_uci2 {

        __u16 FoldMark;

        __u16 FoldMark1;

        __u32 unused;

} __attribute__((packed));

union nftl_uci {

        struct nftl_uci0 a;

        struct nftl_uci1 b;

        struct nftl_uci2 c;

};

struct nftl_oob {

        struct nftl_bci b;

        union nftl_uci u;

};

/* NFTL Media Header */

struct NFTLMediaHeader {

        char DataOrgID[6];

        __u16 NumEraseUnits;

        __u16 FirstPhysicalEUN;

        __u32 FormattedSize;

        unsigned char UnitSizeFactor;

} __attribute__((packed));

#define MAX_ERASE_ZONES (8192 - 512)

#define ERASE_MARK 0x3c69

#define SECTOR_FREE 0xff

#define SECTOR_USED 0x55

#define SECTOR_IGNORE 0x11

#define SECTOR_DELETED 0x00

#define FOLD_MARK_IN_PROGRESS 0x5555

#define ZONE_GOOD 0xff

#define ZONE_BAD_ORIGINAL 0

#define ZONE_BAD_MARKED 7

#endif /* __MTD_NFTL_USER_H__ */