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1/* SPDX-License-Identifier: GPL-2.0 */2/*3 * inftl.h -- defines to support the Inverse NAND Flash Translation Layer4 *5 * (C) Copyright 2002, Greg Ungerer (gerg@snapgear.com)6 */7 8#ifndef __MTD_INFTL_H__9#define __MTD_INFTL_H__10 11#ifndef __KERNEL__12#error This is a kernel header. Perhaps include nftl-user.h instead?13#endif14 15#include <linux/mtd/blktrans.h>16#include <linux/mtd/mtd.h>17#include <linux/mtd/nftl.h>18 19#include <mtd/inftl-user.h>20 21#ifndef INFTL_MAJOR22#define INFTL_MAJOR 9623#endif24#define INFTL_PARTN_BITS 425 26#ifdef __KERNEL__27 28struct INFTLrecord {29 struct mtd_blktrans_dev mbd;30 __u16 MediaUnit;31 __u32 EraseSize;32 struct INFTLMediaHeader MediaHdr;33 int usecount;34 unsigned char heads;35 unsigned char sectors;36 unsigned short cylinders;37 __u16 numvunits;38 __u16 firstEUN;39 __u16 lastEUN;40 __u16 numfreeEUNs;41 __u16 LastFreeEUN; /* To speed up finding a free EUN */42 int head,sect,cyl;43 __u16 *PUtable; /* Physical Unit Table */44 __u16 *VUtable; /* Virtual Unit Table */45 unsigned int nb_blocks; /* number of physical blocks */46 unsigned int nb_boot_blocks; /* number of blocks used by the bios */47 struct erase_info instr;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