/*

   * 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__ */