[net-next-2.6.git] / include / mtd / inftl-user.h

/*
 * Parts of INFTL headers shared with userspace
 *
 */

#ifndef __MTD_INFTL_USER_H__
#define __MTD_INFTL_USER_H__

#include <linux/types.h>

#define	OSAK_VERSION	0x5120
#define	PERCENTUSED	98

#define	SECTORSIZE	512

/* Block Control Information */

struct inftl_bci {
	uint8_t ECCsig[6];
	uint8_t Status;
	uint8_t Status1;
} __attribute__((packed));

struct inftl_unithead1 {
	uint16_t virtualUnitNo;
	uint16_t prevUnitNo;
	uint8_t ANAC;
	uint8_t NACs;
	uint8_t parityPerField;
	uint8_t discarded;
} __attribute__((packed));

struct inftl_unithead2 {
	uint8_t parityPerField;
	uint8_t ANAC;
	uint16_t prevUnitNo;
	uint16_t virtualUnitNo;
	uint8_t NACs;
	uint8_t discarded;
} __attribute__((packed));

struct inftl_unittail {
	uint8_t Reserved[4];
	uint16_t EraseMark;
	uint16_t EraseMark1;
} __attribute__((packed));

union inftl_uci {
	struct inftl_unithead1 a;
	struct inftl_unithead2 b;
	struct inftl_unittail c;
};

struct inftl_oob {
	struct inftl_bci b;
	union inftl_uci u;
};


/* INFTL Media Header */

struct INFTLPartition {
	__u32 virtualUnits;
	__u32 firstUnit;
	__u32 lastUnit;
	__u32 flags;
	__u32 spareUnits;
	__u32 Reserved0;
	__u32 Reserved1;
} __attribute__((packed));

struct INFTLMediaHeader {
	char bootRecordID[8];
	__u32 NoOfBootImageBlocks;
	__u32 NoOfBinaryPartitions;
	__u32 NoOfBDTLPartitions;
	__u32 BlockMultiplierBits;
	__u32 FormatFlags;
	__u32 OsakVersion;
	__u32 PercentUsed;
	struct INFTLPartition Partitions[4];
} __attribute__((packed));

/* Partition flag types */
#define	INFTL_BINARY	0x20000000
#define	INFTL_BDTL	0x40000000
#define	INFTL_LAST	0x80000000

#endif /* __MTD_INFTL_USER_H__ */
Commit	Line	Data
1da177e4	1	/*
e4f0648f	2	* Parts of INFTL headers shared with userspace
1da177e4 LT	3	*
	4	*/
	5
	6	#ifndef __MTD_INFTL_USER_H__
	7	#define __MTD_INFTL_USER_H__
	8
70c2ed65 JSR	9	#include <linux/types.h>
70c2ed65 JSR	10
1da177e4 LT	11	#define OSAK_VERSION 0x5120
	12	#define PERCENTUSED 98
	13
	14	#define SECTORSIZE 512
	15
	16	/* Block Control Information */
	17
	18	struct inftl_bci {
	19	uint8_t ECCsig[6];
	20	uint8_t Status;
	21	uint8_t Status1;
	22	} __attribute__((packed));
	23
	24	struct inftl_unithead1 {
	25	uint16_t virtualUnitNo;
	26	uint16_t prevUnitNo;
	27	uint8_t ANAC;
	28	uint8_t NACs;
	29	uint8_t parityPerField;
	30	uint8_t discarded;
	31	} __attribute__((packed));
	32
	33	struct inftl_unithead2 {
	34	uint8_t parityPerField;
	35	uint8_t ANAC;
	36	uint16_t prevUnitNo;
	37	uint16_t virtualUnitNo;
	38	uint8_t NACs;
	39	uint8_t discarded;
	40	} __attribute__((packed));
	41
	42	struct inftl_unittail {
	43	uint8_t Reserved[4];
	44	uint16_t EraseMark;
	45	uint16_t EraseMark1;
	46	} __attribute__((packed));
	47
	48	union inftl_uci {
	49	struct inftl_unithead1 a;
	50	struct inftl_unithead2 b;
	51	struct inftl_unittail c;
	52	};
	53
	54	struct inftl_oob {
	55	struct inftl_bci b;
	56	union inftl_uci u;
	57	};
	58
	59
	60	/* INFTL Media Header */
	61
	62	struct INFTLPartition {
	63	__u32 virtualUnits;
	64	__u32 firstUnit;
	65	__u32 lastUnit;
	66	__u32 flags;
	67	__u32 spareUnits;
	68	__u32 Reserved0;
	69	__u32 Reserved1;
	70	} __attribute__((packed));
	71
	72	struct INFTLMediaHeader {
	73	char bootRecordID[8];
	74	__u32 NoOfBootImageBlocks;
75	__u32 NoOfBinaryPartitions;
76	__u32 NoOfBDTLPartitions;
77	__u32 BlockMultiplierBits;
78	__u32 FormatFlags;
79	__u32 OsakVersion;
80	__u32 PercentUsed;
81	struct INFTLPartition Partitions[4];
82	} __attribute__((packed));
83
84	/* Partition flag types */
85	#define INFTL_BINARY 0x20000000
86	#define INFTL_BDTL 0x40000000
87	#define INFTL_LAST 0x80000000
88
89	#endif /* __MTD_INFTL_USER_H__ */
90
91