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/* SPDX-License-Identifier: GPL-2.0 */
/*
* 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;
};
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__ */
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