root/include/mtd/nftl-user.h

INCLUDED FROM

/*
 * 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__ */