/* * (C) 1999-2003 David Woodhouse <dwmw2@infradead.org> */ #ifndef __MTD_NFTL_H__ #define __MTD_NFTL_H__ #include <linux/mtd/mtd.h> #include <linux/mtd/blktrans.h> #include <mtd/nftl-user.h> /* these info are used in ReplUnitTable */ #define BLOCK_NIL 0xffff /* last block of a chain */ #define BLOCK_FREE 0xfffe /* free block */ #define BLOCK_NOTEXPLORED 0xfffd /* non explored block, only used during mounting */ #define BLOCK_RESERVED 0xfffc /* bios block or bad block */ struct NFTLrecord { struct mtd_blktrans_dev mbd; __u16 MediaUnit, SpareMediaUnit; __u32 EraseSize; struct NFTLMediaHeader MediaHdr; int usecount; unsigned char heads; unsigned char sectors; unsigned short cylinders; __u16 numvunits; __u16 lastEUN; /* should be suppressed */ __u16 numfreeEUNs; __u16 LastFreeEUN; /* To speed up finding a free EUN */ int head,sect,cyl; __u16 *EUNtable; /* [numvunits]: First EUN for each virtual unit */ __u16 *ReplUnitTable; /* [numEUNs]: ReplUnitNumber for each */ unsigned int nb_blocks; /* number of physical blocks */ unsigned int nb_boot_blocks; /* number of blocks used by the bios */ struct erase_info instr; struct nand_ecclayout oobinfo; }; int NFTL_mount(struct NFTLrecord *s); int NFTL_formatblock(struct NFTLrecord *s, int block); int nftl_read_oob(struct mtd_info *mtd, loff_t offs, size_t len, size_t *retlen, uint8_t *buf); int nftl_write_oob(struct mtd_info *mtd, loff_t offs, size_t len, size_t *retlen, uint8_t *buf); #ifndef NFTL_MAJOR #define NFTL_MAJOR 93 #endif #define MAX_NFTLS 16 #define MAX_SECTORS_PER_UNIT 64 #define NFTL_PARTN_BITS 4 #endif /* __MTD_NFTL_H__ */