mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-24 21:24:00 +08:00
73 lines
2.4 KiB
C
73 lines
2.4 KiB
C
/*
|
|
* Copyright © 1999-2010 David Woodhouse <dwmw2@infradead.org>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*
|
|
*/
|
|
|
|
#ifndef __MTD_NFTL_H__
|
|
#define __MTD_NFTL_H__
|
|
|
|
#include <linux/mtd/mtd.h>
|
|
#include <linux/mtd/blktrans.h>
|
|
|
|
#include <mtd/nftl-user.h>
|
|
|
|
/* these info are used in ReplUnitTable */
|
|
#define BLOCK_NIL 0xffff /* last block of a chain */
|
|
#define BLOCK_FREE 0xfffe /* free block */
|
|
#define BLOCK_NOTEXPLORED 0xfffd /* non explored block, only used during mounting */
|
|
#define BLOCK_RESERVED 0xfffc /* bios block or bad block */
|
|
|
|
struct NFTLrecord {
|
|
struct mtd_blktrans_dev mbd;
|
|
__u16 MediaUnit, SpareMediaUnit;
|
|
__u32 EraseSize;
|
|
struct NFTLMediaHeader MediaHdr;
|
|
int usecount;
|
|
unsigned char heads;
|
|
unsigned char sectors;
|
|
unsigned short cylinders;
|
|
__u16 numvunits;
|
|
__u16 lastEUN; /* should be suppressed */
|
|
__u16 numfreeEUNs;
|
|
__u16 LastFreeEUN; /* To speed up finding a free EUN */
|
|
int head,sect,cyl;
|
|
__u16 *EUNtable; /* [numvunits]: First EUN for each virtual unit */
|
|
__u16 *ReplUnitTable; /* [numEUNs]: ReplUnitNumber for each */
|
|
unsigned int nb_blocks; /* number of physical blocks */
|
|
unsigned int nb_boot_blocks; /* number of blocks used by the bios */
|
|
struct erase_info instr;
|
|
struct nand_ecclayout oobinfo;
|
|
};
|
|
|
|
int NFTL_mount(struct NFTLrecord *s);
|
|
int NFTL_formatblock(struct NFTLrecord *s, int block);
|
|
|
|
int nftl_read_oob(struct mtd_info *mtd, loff_t offs, size_t len,
|
|
size_t *retlen, uint8_t *buf);
|
|
int nftl_write_oob(struct mtd_info *mtd, loff_t offs, size_t len,
|
|
size_t *retlen, uint8_t *buf);
|
|
|
|
#ifndef NFTL_MAJOR
|
|
#define NFTL_MAJOR 93
|
|
#endif
|
|
|
|
#define MAX_NFTLS 16
|
|
#define MAX_SECTORS_PER_UNIT 64
|
|
#define NFTL_PARTN_BITS 4
|
|
|
|
#endif /* __MTD_NFTL_H__ */
|