75 lines
1.3 KiB
C
75 lines
1.3 KiB
C
/*
|
|
* 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__ */
|