90 lines
2 KiB
C
90 lines
2 KiB
C
/*
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* Copyright © 1999-2010 David Woodhouse <dwmw2@infradead.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifndef __MTD_NFTL_USER_H__
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#define __MTD_NFTL_USER_H__
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#include <linux/types.h>
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/* Block Control Information */
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struct nftl_bci {
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unsigned char ECCSig[6];
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__u8 Status;
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__u8 Status1;
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}__attribute__((packed));
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/* Unit Control Information */
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struct nftl_uci0 {
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__u16 VirtUnitNum;
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__u16 ReplUnitNum;
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__u16 SpareVirtUnitNum;
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__u16 SpareReplUnitNum;
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} __attribute__((packed));
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struct nftl_uci1 {
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__u32 WearInfo;
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__u16 EraseMark;
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__u16 EraseMark1;
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} __attribute__((packed));
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struct nftl_uci2 {
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__u16 FoldMark;
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__u16 FoldMark1;
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__u32 unused;
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} __attribute__((packed));
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union nftl_uci {
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struct nftl_uci0 a;
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struct nftl_uci1 b;
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struct nftl_uci2 c;
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};
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struct nftl_oob {
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struct nftl_bci b;
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union nftl_uci u;
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};
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/* NFTL Media Header */
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struct NFTLMediaHeader {
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char DataOrgID[6];
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__u16 NumEraseUnits;
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__u16 FirstPhysicalEUN;
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__u32 FormattedSize;
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unsigned char UnitSizeFactor;
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} __attribute__((packed));
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#define MAX_ERASE_ZONES (8192 - 512)
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#define ERASE_MARK 0x3c69
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#define SECTOR_FREE 0xff
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#define SECTOR_USED 0x55
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#define SECTOR_IGNORE 0x11
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#define SECTOR_DELETED 0x00
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#define FOLD_MARK_IN_PROGRESS 0x5555
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#define ZONE_GOOD 0xff
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#define ZONE_BAD_ORIGINAL 0
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#define ZONE_BAD_MARKED 7
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#endif /* __MTD_NFTL_USER_H__ */
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