xref: /linux-6.15/include/linux/mtd/inftl.h (revision 87c2ce3b)
1 /*
2  *	inftl.h -- defines to support the Inverse NAND Flash Translation Layer
3  *
4  *	(C) Copyright 2002, Greg Ungerer ([email protected])
5  *
6  *	$Id: inftl.h,v 1.7 2005/06/13 13:08:45 sean Exp $
7  */
8 
9 #ifndef __MTD_INFTL_H__
10 #define __MTD_INFTL_H__
11 
12 #ifndef __KERNEL__
13 #error This is a kernel header. Perhaps include nftl-user.h instead?
14 #endif
15 
16 #include <linux/mtd/blktrans.h>
17 #include <linux/mtd/mtd.h>
18 #include <linux/mtd/nftl.h>
19 
20 #include <mtd/inftl-user.h>
21 
22 #ifndef INFTL_MAJOR
23 #define INFTL_MAJOR 96
24 #endif
25 #define INFTL_PARTN_BITS 4
26 
27 #ifdef __KERNEL__
28 
29 struct INFTLrecord {
30 	struct mtd_blktrans_dev mbd;
31 	__u16 MediaUnit;
32 	__u32 EraseSize;
33 	struct INFTLMediaHeader MediaHdr;
34 	int usecount;
35 	unsigned char heads;
36 	unsigned char sectors;
37 	unsigned short cylinders;
38 	__u16 numvunits;
39 	__u16 firstEUN;
40 	__u16 lastEUN;
41 	__u16 numfreeEUNs;
42 	__u16 LastFreeEUN; 		/* To speed up finding a free EUN */
43 	int head,sect,cyl;
44 	__u16 *PUtable;	 		/* Physical Unit Table  */
45 	__u16 *VUtable; 		/* Virtual Unit Table */
46         unsigned int nb_blocks;		/* number of physical blocks */
47         unsigned int nb_boot_blocks;	/* number of blocks used by the bios */
48         struct erase_info instr;
49         struct nand_oobinfo oobinfo;
50 };
51 
52 int INFTL_mount(struct INFTLrecord *s);
53 int INFTL_formatblock(struct INFTLrecord *s, int block);
54 
55 #endif /* __KERNEL__ */
56 
57 #endif /* __MTD_INFTL_H__ */
58