64 lines
1.6 KiB
C
64 lines
1.6 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* inftl.h -- defines to support the Inverse NAND Flash Translation Layer
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*
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* (C) Copyright 2002, Greg Ungerer (gerg@snapgear.com)
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*/
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#ifndef __MTD_INFTL_H__
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#define __MTD_INFTL_H__
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#ifndef __KERNEL__
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#error This is a kernel header. Perhaps include nftl-user.h instead?
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#endif
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#include <linux/mtd/blktrans.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/nftl.h>
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#include <mtd/inftl-user.h>
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#ifndef INFTL_MAJOR
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#define INFTL_MAJOR 96
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#endif
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#define INFTL_PARTN_BITS 4
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#ifdef __KERNEL__
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struct INFTLrecord {
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struct mtd_blktrans_dev mbd;
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__u16 MediaUnit;
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__u32 EraseSize;
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struct INFTLMediaHeader MediaHdr;
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int usecount;
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unsigned char heads;
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unsigned char sectors;
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unsigned short cylinders;
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__u16 numvunits;
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__u16 firstEUN;
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__u16 lastEUN;
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__u16 numfreeEUNs;
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__u16 LastFreeEUN; /* To speed up finding a free EUN */
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int head,sect,cyl;
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__u16 *PUtable; /* Physical Unit Table */
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__u16 *VUtable; /* Virtual Unit Table */
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unsigned int nb_blocks; /* number of physical blocks */
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unsigned int nb_boot_blocks; /* number of blocks used by the bios */
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struct erase_info instr;
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};
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int INFTL_mount(struct INFTLrecord *s);
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int INFTL_formatblock(struct INFTLrecord *s, int block);
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void INFTL_dumptables(struct INFTLrecord *s);
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void INFTL_dumpVUchains(struct INFTLrecord *s);
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int inftl_read_oob(struct mtd_info *mtd, loff_t offs, size_t len,
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size_t *retlen, uint8_t *buf);
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int inftl_write_oob(struct mtd_info *mtd, loff_t offs, size_t len,
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size_t *retlen, uint8_t *buf);
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#endif /* __KERNEL__ */
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#endif /* __MTD_INFTL_H__ */
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