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/*
 * $Id: nftl-user.h,v 1.2 2005/11/07 11:14:56 gleixner Exp $
 *
 * Parts of NFTL headers shared with userspace
 *
 */
 
#ifndef __MTD_NFTL_USER_H__
#define __MTD_NFTL_USER_H__
 
/* Block Control Information */
 
struct nftl_bci {
	unsigned char ECCSig[6];
	uint8_t Status;
	uint8_t Status1;
}__attribute__((packed));
 
/* Unit Control Information */
 
struct nftl_uci0 {
	uint16_t VirtUnitNum;
	uint16_t ReplUnitNum;
	uint16_t SpareVirtUnitNum;
	uint16_t SpareReplUnitNum;
} __attribute__((packed));
 
struct nftl_uci1 {
	uint32_t WearInfo;
	uint16_t EraseMark;
	uint16_t EraseMark1;
} __attribute__((packed));
 
struct nftl_uci2 {
        uint16_t FoldMark;
        uint16_t FoldMark1;
	uint32_t 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];
	uint16_t NumEraseUnits;
	uint16_t FirstPhysicalEUN;
	uint32_t 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__ */