1/*
2 *	inftl.h -- defines to support the Inverse NAND Flash Translation Layer
3 *
4 *	(C) Copyright 2002, Greg Ungerer (gerg@snapgear.com)
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
21#define INFTL_MAJOR 96
22#endif
23#define INFTL_PARTN_BITS 4
24
25#ifdef __KERNEL__
26
27struct 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;
40	__u16 LastFreeEUN;		/* To speed up finding a free EUN */
41	int head,sect,cyl;
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;
48};
49
50int INFTL_mount(struct INFTLrecord *s);
51int INFTL_formatblock(struct INFTLrecord *s, int block);
52
53void INFTL_dumptables(struct INFTLrecord *s);
54void INFTL_dumpVUchains(struct INFTLrecord *s);
55
56int inftl_read_oob(struct mtd_info *mtd, loff_t offs, size_t len,
57		   size_t *retlen, uint8_t *buf);
58int inftl_write_oob(struct mtd_info *mtd, loff_t offs, size_t len,
59		    size_t *retlen, uint8_t *buf);
60
61#endif /* __KERNEL__ */
62
63#endif /* __MTD_INFTL_H__ */
64