[net-next-2.6.git] / include / linux / mtd / inftl.h

/*
 *	inftl.h -- defines to support the Inverse NAND Flash Translation Layer
 *
 *	(C) Copyright 2002, Greg Ungerer (gerg@snapgear.com)
 */

#ifndef __MTD_INFTL_H__
#define __MTD_INFTL_H__

#ifndef __KERNEL__
#error This is a kernel header. Perhaps include nftl-user.h instead?
#endif

#include <linux/mtd/blktrans.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nftl.h>

#include <mtd/inftl-user.h>

#ifndef INFTL_MAJOR
#define INFTL_MAJOR 96
#endif
#define INFTL_PARTN_BITS 4

#ifdef __KERNEL__

struct INFTLrecord {
	struct mtd_blktrans_dev mbd;
	__u16 MediaUnit;
	__u32 EraseSize;
	struct INFTLMediaHeader MediaHdr;
	int usecount;
	unsigned char heads;
	unsigned char sectors;
	unsigned short cylinders;
	__u16 numvunits;
	__u16 firstEUN;
	__u16 lastEUN;
	__u16 numfreeEUNs;
	__u16 LastFreeEUN;		/* To speed up finding a free EUN */
	int head,sect,cyl;
	__u16 *PUtable;			/* Physical Unit Table */
	__u16 *VUtable;			/* Virtual Unit Table */
	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 INFTL_mount(struct INFTLrecord *s);
int INFTL_formatblock(struct INFTLrecord *s, int block);

void INFTL_dumptables(struct INFTLrecord *s);
void INFTL_dumpVUchains(struct INFTLrecord *s);

int inftl_read_oob(struct mtd_info *mtd, loff_t offs, size_t len,
		   size_t *retlen, uint8_t *buf);
int inftl_write_oob(struct mtd_info *mtd, loff_t offs, size_t len,
		    size_t *retlen, uint8_t *buf);

#endif /* __KERNEL__ */

#endif /* __MTD_INFTL_H__ */
Commit	Line	Data
1da177e4 LT	1	/*
	2	* inftl.h -- defines to support the Inverse NAND Flash Translation Layer
	3	*
	4	* (C) Copyright 2002, Greg Ungerer (gerg@snapgear.com)
1da177e4 LT	5	*/
	6
	7	#ifndef __MTD_INFTL_H__
	8	#define __MTD_INFTL_H__
	9
	10	#ifndef __KERNEL__
	11	#error This is a kernel header. Perhaps include nftl-user.h instead?
	12	#endif
	13
	14	#include <linux/mtd/blktrans.h>
	15	#include <linux/mtd/mtd.h>
	16	#include <linux/mtd/nftl.h>
	17
	18	#include <mtd/inftl-user.h>
	19
	20	#ifndef INFTL_MAJOR
bfabb986	21	#define INFTL_MAJOR 96
1da177e4 LT	22	#endif
	23	#define INFTL_PARTN_BITS 4
	24
	25	#ifdef __KERNEL__
	26
	27	struct INFTLrecord {
	28	struct mtd_blktrans_dev mbd;
	29	__u16 MediaUnit;
	30	__u32 EraseSize;
	31	struct INFTLMediaHeader MediaHdr;
	32	int usecount;
	33	unsigned char heads;
	34	unsigned char sectors;
	35	unsigned short cylinders;
	36	__u16 numvunits;
	37	__u16 firstEUN;
	38	__u16 lastEUN;
	39	__u16 numfreeEUNs;
f4a2da0c	40	__u16 LastFreeEUN; /* To speed up finding a free EUN */
1da177e4	41	int head,sect,cyl;
f4a2da0c BN	42	__u16 PUtable; / Physical Unit Table */
	43	__u16 VUtable; / Virtual Unit Table */
	44	unsigned int nb_blocks; /* number of physical blocks */
	45	unsigned int nb_boot_blocks; /* number of blocks used by the bios */
	46	struct erase_info instr;
	47	struct nand_ecclayout oobinfo;
1da177e4 LT	48	};
	49
	50	int INFTL_mount(struct INFTLrecord *s);
	51	int INFTL_formatblock(struct INFTLrecord *s, int block);
	52
0500abf5 AB	53	void INFTL_dumptables(struct INFTLrecord *s);
	54	void INFTL_dumpVUchains(struct INFTLrecord *s);
	55
a8e8aa25 AB	56	int inftl_read_oob(struct mtd_info *mtd, loff_t offs, size_t len,
	57	size_t retlen, uint8_t buf);
	58	int inftl_write_oob(struct mtd_info *mtd, loff_t offs, size_t len,
	59	size_t retlen, uint8_t buf);
	60
1da177e4 LT	61	#endif /* __KERNEL__ */
	62
	63	#endif /* __MTD_INFTL_H__ */