diff options
Diffstat (limited to 'include/linux/mtd/nftl.h')
| -rw-r--r-- | include/linux/mtd/nftl.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/include/linux/mtd/nftl.h b/include/linux/mtd/nftl.h new file mode 100644 index 000000000000..d35d2c21ff3e --- /dev/null +++ b/include/linux/mtd/nftl.h @@ -0,0 +1,54 @@ +/* + * $Id: nftl.h,v 1.16 2004/06/30 14:49:00 dbrown Exp $ + * + * (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_oobinfo oobinfo; +}; + +int NFTL_mount(struct NFTLrecord *s); +int NFTL_formatblock(struct NFTLrecord *s, int block); + +#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__ */ |