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/*
 * Copyright © 2003-2010 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_TRANS_H__
#define __MTD_TRANS_H__

#include <linux/mutex.h>
#include <linux/kref.h>
#include <linux/sysfs.h>
#include <linux/workqueue.h>

struct hd_geometry;
struct mtd_info;
struct mtd_blktrans_ops;
struct file;
struct inode;

struct mtd_blktrans_dev {
	struct mtd_blktrans_ops *tr;
	struct list_head list;
	struct mtd_info *mtd;
	struct mutex lock;
	int devnum;
	bool bg_stop;
	unsigned long size;
	int readonly;
	int open;
	struct kref ref;
	struct gendisk *disk;
	struct attribute_group *disk_attributes;
	struct workqueue_struct *wq;
	struct work_struct work;
	struct request_queue *rq;
	spinlock_t queue_lock;
	void *priv;
	fmode_t file_mode;
};

struct mtd_blktrans_ops {
	char *name;
	int major;
	int part_bits;
	int blksize;
	int blkshift;

	/* Access functions */
	int (*readsect)(struct mtd_blktrans_dev *dev,
		    unsigned long block, char *buffer);
	int (*writesect)(struct mtd_blktrans_dev *dev,
		     unsigned long block, char *buffer);
	int (*discard)(struct mtd_blktrans_dev *dev,
		       unsigned long block, unsigned nr_blocks);
	void (*background)(struct mtd_blktrans_dev *dev);

	/* Block layer ioctls */
	int (*getgeo)(struct mtd_blktrans_dev *dev, struct hd_geometry *geo);
	int (*flush)(struct mtd_blktrans_dev *dev);

	/* Called with mtd_table_mutex held; no race with add/remove */
	int (*open)(struct mtd_blktrans_dev *dev);
	void (*release)(struct mtd_blktrans_dev *dev);

	/* Called on {de,}registration and on subsequent addition/removal
	   of devices, with mtd_table_mutex held. */
	void (*add_mtd)(struct mtd_blktrans_ops *tr, struct mtd_info *mtd);
	void (*remove_dev)(struct mtd_blktrans_dev *dev);

	struct list_head devs;
	struct list_head list;
	struct module *owner;
};

extern int register_mtd_blktrans(struct mtd_blktrans_ops *tr);
extern int deregister_mtd_blktrans(struct mtd_blktrans_ops *tr);
extern int add_mtd_blktrans_dev(struct mtd_blktrans_dev *dev);
extern int del_mtd_blktrans_dev(struct mtd_blktrans_dev *dev);
extern int mtd_blktrans_cease_background(struct mtd_blktrans_dev *dev);


#endif /* __MTD_TRANS_H__ */

Filemanager

Name Type Size Permission Actions
bbm.h File 5.84 KB 0644
blktrans.h File 2.81 KB 0644
cfi.h File 10.31 KB 0644
cfi_endian.h File 2.13 KB 0644
concat.h File 1.14 KB 0644
doc2000.h File 6.03 KB 0644
flashchip.h File 3.08 KB 0644
ftl.h File 2.49 KB 0644
gen_probe.h File 1.26 KB 0644
inftl.h File 1.56 KB 0644
latch-addr-flash.h File 716 B 0644
lpc32xx_mlc.h File 531 B 0644
lpc32xx_slc.h File 531 B 0644
map.h File 13.37 KB 0644
mtd.h File 19.05 KB 0644
mtdram.h File 257 B 0644
nand-gpio.h File 330 B 0644
nand_bch.h File 1.56 KB 0644
nand_ecc.h File 1.14 KB 0644
ndfc.h File 2.2 KB 0644
nftl.h File 2.35 KB 0644
onenand.h File 7.87 KB 0644
onenand_regs.h File 7.15 KB 0644
partitions.h File 3.75 KB 0644
pfow.h File 5.56 KB 0644
physmap.h File 1 KB 0644
pismo.h File 440 B 0644
plat-ram.h File 817 B 0644
qinfo.h File 2.47 KB 0644
rawnand.h File 41.17 KB 0644
sh_flctl.h File 6.41 KB 0644
sharpsl.h File 587 B 0644
spear_smi.h File 1.67 KB 0644
spi-nor.h File 14.28 KB 0644
super.h File 835 B 0644
ubi.h File 10.33 KB 0644
xip.h File 2.66 KB 0644