1 /* 2 * Parts of NFTL headers shared with userspace 3 * 4 */ 5 6 #ifndef __MTD_NFTL_USER_H__ 7 #define __MTD_NFTL_USER_H__ 8 9 #include <linux/types.h> 10 11 /* Block Control Information */ 12 13 struct nftl_bci { 14 unsigned char ECCSig[6]; 15 __u8 Status; 16 __u8 Status1; 17 }__attribute__((packed)); 18 19 /* Unit Control Information */ 20 21 struct nftl_uci0 { 22 __u16 VirtUnitNum; 23 __u16 ReplUnitNum; 24 __u16 SpareVirtUnitNum; 25 __u16 SpareReplUnitNum; 26 } __attribute__((packed)); 27 28 struct nftl_uci1 { 29 __u32 WearInfo; 30 __u16 EraseMark; 31 __u16 EraseMark1; 32 } __attribute__((packed)); 33 34 struct nftl_uci2 { 35 __u16 FoldMark; 36 __u16 FoldMark1; 37 __u32 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 __u16 NumEraseUnits; 56 __u16 FirstPhysicalEUN; 57 __u32 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__ */ 77
