/* | |
* Parts of NFTL headers shared with userspace | |
* | |
*/ | |
#ifndef __MTD_NFTL_USER_H__ | |
#define __MTD_NFTL_USER_H__ | |
#include <linux/types.h> | |
/* Block Control Information */ | |
struct nftl_bci { | |
unsigned char ECCSig[6]; | |
__u8 Status; | |
__u8 Status1; | |
}__attribute__((packed)); | |
/* Unit Control Information */ | |
struct nftl_uci0 { | |
__u16 VirtUnitNum; | |
__u16 ReplUnitNum; | |
__u16 SpareVirtUnitNum; | |
__u16 SpareReplUnitNum; | |
} __attribute__((packed)); | |
struct nftl_uci1 { | |
__u32 WearInfo; | |
__u16 EraseMark; | |
__u16 EraseMark1; | |
} __attribute__((packed)); | |
struct nftl_uci2 { | |
__u16 FoldMark; | |
__u16 FoldMark1; | |
__u32 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]; | |
__u16 NumEraseUnits; | |
__u16 FirstPhysicalEUN; | |
__u32 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__ */ |