[people/ms/u-boot.git] / include / linux / mtd / nftl-user.h

/*
 * $Id: nftl-user.h,v 1.2 2005/11/07 11:14:56 gleixner Exp $
 *
 * Parts of NFTL headers shared with userspace
 *
 */

#ifndef __MTD_NFTL_USER_H__
#define __MTD_NFTL_USER_H__

/* Block Control Information */

struct nftl_bci {
	unsigned char ECCSig[6];
	uint8_t Status;
	uint8_t Status1;
}__attribute__((packed));

/* Unit Control Information */

struct nftl_uci0 {
	uint16_t VirtUnitNum;
	uint16_t ReplUnitNum;
	uint16_t SpareVirtUnitNum;
	uint16_t SpareReplUnitNum;
} __attribute__((packed));

struct nftl_uci1 {
	uint32_t WearInfo;
	uint16_t EraseMark;
	uint16_t EraseMark1;
} __attribute__((packed));

struct nftl_uci2 {
	uint16_t FoldMark;
	uint16_t FoldMark1;
	uint32_t unused;
} __attribute__((packed));

union nftl_uci {
	struct nftl_uci0 a;
	struct nftl_uci1 b;
	struct nftl_uci2 c;
};

struct nftl_oob {
	struct nftl_bci b;
	union nftl_uci u;
};

/* NFTL Media Header */

struct NFTLMediaHeader {
	char DataOrgID[6];
	uint16_t NumEraseUnits;
	uint16_t FirstPhysicalEUN;
	uint32_t FormattedSize;
	unsigned char UnitSizeFactor;
} __attribute__((packed));

#define MAX_ERASE_ZONES (8192 - 512)

#define ERASE_MARK 0x3c69
#define SECTOR_FREE 0xff
#define SECTOR_USED 0x55
#define SECTOR_IGNORE 0x11
#define SECTOR_DELETED 0x00

#define FOLD_MARK_IN_PROGRESS 0x5555

#define ZONE_GOOD 0xff
#define ZONE_BAD_ORIGINAL 0
#define ZONE_BAD_MARKED 7


#endif /* __MTD_NFTL_USER_H__ */
Commit	Line	Data
cfa460ad WJ	1	/*
	2	* $Id: nftl-user.h,v 1.2 2005/11/07 11:14:56 gleixner Exp $
	3	*
	4	* Parts of NFTL headers shared with userspace
	5	*
	6	*/
	7
	8	#ifndef __MTD_NFTL_USER_H__
	9	#define __MTD_NFTL_USER_H__
	10
	11	/* Block Control Information */
	12
	13	struct nftl_bci {
	14	unsigned char ECCSig[6];
	15	uint8_t Status;
	16	uint8_t Status1;
	17	}__attribute__((packed));
	18
	19	/* Unit Control Information */
	20
	21	struct nftl_uci0 {
	22	uint16_t VirtUnitNum;
	23	uint16_t ReplUnitNum;
	24	uint16_t SpareVirtUnitNum;
	25	uint16_t SpareReplUnitNum;
	26	} __attribute__((packed));
	27
	28	struct nftl_uci1 {
	29	uint32_t WearInfo;
	30	uint16_t EraseMark;
	31	uint16_t EraseMark1;
	32	} __attribute__((packed));
	33
	34	struct nftl_uci2 {
4b070809 WD	35	uint16_t FoldMark;
4b070809 WD	36	uint16_t FoldMark1;
cfa460ad WJ	37	uint32_t unused;
	38	} __attribute__((packed));
	39
	40	union nftl_uci {
	41	struct nftl_uci0 a;
	42	struct nftl_uci1 b;
	43	struct nftl_uci2 c;
	44	};
	45
	46	struct nftl_oob {
	47	struct nftl_bci b;
	48	union nftl_uci u;
	49	};
	50
	51	/* NFTL Media Header */
	52
	53	struct NFTLMediaHeader {
	54	char DataOrgID[6];
	55	uint16_t NumEraseUnits;
	56	uint16_t FirstPhysicalEUN;
	57	uint32_t FormattedSize;
	58	unsigned char UnitSizeFactor;
	59	} __attribute__((packed));
	60
	61	#define MAX_ERASE_ZONES (8192 - 512)
	62
	63	#define ERASE_MARK 0x3c69
	64	#define SECTOR_FREE 0xff
	65	#define SECTOR_USED 0x55
	66	#define SECTOR_IGNORE 0x11
	67	#define SECTOR_DELETED 0x00
	68
	69	#define FOLD_MARK_IN_PROGRESS 0x5555
	70
	71	#define ZONE_GOOD 0xff
	72	#define ZONE_BAD_ORIGINAL 0
	73	#define ZONE_BAD_MARKED 7
	74
	75
	76	#endif /* __MTD_NFTL_USER_H__ */