1/* 2 * Copyright �� 1999-2010 David Woodhouse <dwmw2@infradead.org> 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License as published by 6 * the Free Software Foundation; either version 2 of the License, or 7 * (at your option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, write to the Free Software 16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 17 * 18 */ 19 20#ifndef __MTD_NFTL_USER_H__ 21#define __MTD_NFTL_USER_H__ 22 23#include <linux/types.h> 24 25/* Block Control Information */ 26 27struct nftl_bci { 28 unsigned char ECCSig[6]; 29 __u8 Status; 30 __u8 Status1; 31}__attribute__((packed)); 32 33/* Unit Control Information */ 34 35struct nftl_uci0 { 36 __u16 VirtUnitNum; 37 __u16 ReplUnitNum; 38 __u16 SpareVirtUnitNum; 39 __u16 SpareReplUnitNum; 40} __attribute__((packed)); 41 42struct nftl_uci1 { 43 __u32 WearInfo; 44 __u16 EraseMark; 45 __u16 EraseMark1; 46} __attribute__((packed)); 47 48struct nftl_uci2 { 49 __u16 FoldMark; 50 __u16 FoldMark1; 51 __u32 unused; 52} __attribute__((packed)); 53 54union nftl_uci { 55 struct nftl_uci0 a; 56 struct nftl_uci1 b; 57 struct nftl_uci2 c; 58}; 59 60struct nftl_oob { 61 struct nftl_bci b; 62 union nftl_uci u; 63}; 64 65/* NFTL Media Header */ 66 67struct NFTLMediaHeader { 68 char DataOrgID[6]; 69 __u16 NumEraseUnits; 70 __u16 FirstPhysicalEUN; 71 __u32 FormattedSize; 72 unsigned char UnitSizeFactor; 73} __attribute__((packed)); 74 75#define MAX_ERASE_ZONES (8192 - 512) 76 77#define ERASE_MARK 0x3c69 78#define SECTOR_FREE 0xff 79#define SECTOR_USED 0x55 80#define SECTOR_IGNORE 0x11 81#define SECTOR_DELETED 0x00 82 83#define FOLD_MARK_IN_PROGRESS 0x5555 84 85#define ZONE_GOOD 0xff 86#define ZONE_BAD_ORIGINAL 0 87#define ZONE_BAD_MARKED 7 88 89 90#endif /* __MTD_NFTL_USER_H__ */ 91