[deliverable/linux.git] / include / linux / mtd / mtd.h

/*
 * $Id: mtd.h,v 1.61 2005/11/07 11:14:54 gleixner Exp $
 *
 * Copyright (C) 1999-2003 David Woodhouse <dwmw2@infradead.org> et al.
 *
 * Released under GPL
 */

#ifndef __MTD_MTD_H__
#define __MTD_MTD_H__

#ifndef __KERNEL__
#error This is a kernel header. Perhaps include mtd-user.h instead?
#endif

#include <linux/config.h>
#include <linux/types.h>
#include <linux/module.h>
#include <linux/uio.h>
#include <linux/notifier.h>

#include <linux/mtd/compatmac.h>
#include <mtd/mtd-abi.h>

#define MTD_CHAR_MAJOR 90
#define MTD_BLOCK_MAJOR 31
#define MAX_MTD_DEVICES 16

#define MTD_ERASE_PENDING      	0x01
#define MTD_ERASING		0x02
#define MTD_ERASE_SUSPEND	0x04
#define MTD_ERASE_DONE          0x08
#define MTD_ERASE_FAILED        0x10

/* If the erase fails, fail_addr might indicate exactly which block failed.  If
   fail_addr = 0xffffffff, the failure was not at the device level or was not
   specific to any particular block. */
struct erase_info {
	struct mtd_info *mtd;
	u_int32_t addr;
	u_int32_t len;
	u_int32_t fail_addr;
	u_long time;
	u_long retries;
	u_int dev;
	u_int cell;
	void (*callback) (struct erase_info *self);
	u_long priv;
	u_char state;
	struct erase_info *next;
};

struct mtd_erase_region_info {
	u_int32_t offset;			/* At which this region starts, from the beginning of the MTD */
	u_int32_t erasesize;		/* For this region */
	u_int32_t numblocks;		/* Number of blocks of erasesize in this region */
};

struct mtd_info {
	u_char type;
	u_int32_t flags;
	u_int32_t size;	 // Total size of the MTD
Commit	Line	Data
61ecfa87 TG	1	/*
61ecfa87 TG	2	* $Id: mtd.h,v 1.61 2005/11/07 11:14:54 gleixner Exp $
1da177e4 LT	3	*
	4	* Copyright (C) 1999-2003 David Woodhouse <dwmw2@infradead.org> et al.
	5	*
	6	* Released under GPL
	7	*/
	8
	9	#ifndef __MTD_MTD_H__
	10	#define __MTD_MTD_H__
	11
	12	#ifndef __KERNEL__
	13	#error This is a kernel header. Perhaps include mtd-user.h instead?
	14	#endif
	15
	16	#include <linux/config.h>
1da177e4 LT	17	#include <linux/types.h>
	18	#include <linux/module.h>
	19	#include <linux/uio.h>
963a6fb0	20	#include <linux/notifier.h>
1da177e4 LT	21
	22	#include <linux/mtd/compatmac.h>
	23	#include <mtd/mtd-abi.h>
	24
	25	#define MTD_CHAR_MAJOR 90
	26	#define MTD_BLOCK_MAJOR 31
	27	#define MAX_MTD_DEVICES 16
	28
	29	#define MTD_ERASE_PENDING 0x01
	30	#define MTD_ERASING 0x02
	31	#define MTD_ERASE_SUSPEND 0x04
	32	#define MTD_ERASE_DONE 0x08
	33	#define MTD_ERASE_FAILED 0x10
	34
	35	/* If the erase fails, fail_addr might indicate exactly which block failed. If
	36	fail_addr = 0xffffffff, the failure was not at the device level or was not
	37	specific to any particular block. */
	38	struct erase_info {
	39	struct mtd_info *mtd;
	40	u_int32_t addr;
	41	u_int32_t len;
	42	u_int32_t fail_addr;
	43	u_long time;
	44	u_long retries;
	45	u_int dev;
	46	u_int cell;
	47	void (callback) (struct erase_info self);
	48	u_long priv;
	49	u_char state;
	50	struct erase_info *next;
	51	};
	52
	53	struct mtd_erase_region_info {
	54	u_int32_t offset; /* At which this region starts, from the beginning of the MTD */
	55	u_int32_t erasesize; /* For this region */
	56	u_int32_t numblocks; /* Number of blocks of erasesize in this region */
	57	};
	58
	59	struct mtd_info {
	60	u_char type;
	61	u_int32_t flags;
	62	u_int32_t size; // Total size of the MTD
	63