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1/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */2/*3 * Copyright © 1999-2010 David Woodhouse <dwmw2@infradead.org>4 *5 * This program is free software; you can redistribute it and/or modify6 * it under the terms of the GNU General Public License as published by7 * the Free Software Foundation; either version 2 of the License, or8 * (at your option) any later version.9 *10 * This program is distributed in the hope that it will be useful,11 * but WITHOUT ANY WARRANTY; without even the implied warranty of12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the13 * GNU General Public License for more details.14 *15 * You should have received a copy of the GNU General Public License16 * along with this program; if not, write to the Free Software17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA18 *19 */20 21#ifndef __MTD_NFTL_USER_H__22#define __MTD_NFTL_USER_H__23 24#include <linux/types.h>25 26/* Block Control Information */27 28struct nftl_bci {29 unsigned char ECCSig[6];30 __u8 Status;31 __u8 Status1;32}__attribute__((packed));33 34/* Unit Control Information */35 36struct nftl_uci0 {37 __u16 VirtUnitNum;38 __u16 ReplUnitNum;39 __u16 SpareVirtUnitNum;40 __u16 SpareReplUnitNum;41} __attribute__((packed));42 43struct nftl_uci1 {44 __u32 WearInfo;45 __u16 EraseMark;46 __u16 EraseMark1;47} __attribute__((packed));48 49struct nftl_uci2 {50 __u16 FoldMark;51 __u16 FoldMark1;52 __u32 unused;53} __attribute__((packed));54 55union nftl_uci {56 struct nftl_uci0 a;57 struct nftl_uci1 b;58 struct nftl_uci2 c;59};60 61struct nftl_oob {62 struct nftl_bci b;63 union nftl_uci u;64};65 66/* NFTL Media Header */67 68struct NFTLMediaHeader {69 char DataOrgID[6];70 __u16 NumEraseUnits;71 __u16 FirstPhysicalEUN;72 __u32 FormattedSize;73 unsigned char UnitSizeFactor;74} __attribute__((packed));75 76#define MAX_ERASE_ZONES (8192 - 512)77 78#define ERASE_MARK 0x3c6979#define SECTOR_FREE 0xff80#define SECTOR_USED 0x5581#define SECTOR_IGNORE 0x1182#define SECTOR_DELETED 0x0083 84#define FOLD_MARK_IN_PROGRESS 0x555585 86#define ZONE_GOOD 0xff87#define ZONE_BAD_ORIGINAL 088#define ZONE_BAD_MARKED 789 90 91#endif /* __MTD_NFTL_USER_H__ */92