Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
e4f0648f | 2 | * Parts of NFTL headers shared with userspace |
1da177e4 LT |
3 | * |
4 | */ | |
5 | ||
6 | #ifndef __MTD_NFTL_USER_H__ | |
7 | #define __MTD_NFTL_USER_H__ | |
8 | ||
9 | /* Block Control Information */ | |
10 | ||
11 | struct nftl_bci { | |
12 | unsigned char ECCSig[6]; | |
13 | uint8_t Status; | |
14 | uint8_t Status1; | |
15 | }__attribute__((packed)); | |
16 | ||
17 | /* Unit Control Information */ | |
18 | ||
19 | struct nftl_uci0 { | |
20 | uint16_t VirtUnitNum; | |
21 | uint16_t ReplUnitNum; | |
22 | uint16_t SpareVirtUnitNum; | |
23 | uint16_t SpareReplUnitNum; | |
24 | } __attribute__((packed)); | |
25 | ||
26 | struct nftl_uci1 { | |
27 | uint32_t WearInfo; | |
28 | uint16_t EraseMark; | |
29 | uint16_t EraseMark1; | |
30 | } __attribute__((packed)); | |
31 | ||
32 | struct nftl_uci2 { | |
33 | uint16_t FoldMark; | |
34 | uint16_t FoldMark1; | |
35 | uint32_t unused; | |
36 | } __attribute__((packed)); | |
37 | ||
38 | union nftl_uci { | |
39 | struct nftl_uci0 a; | |
40 | struct nftl_uci1 b; | |
41 | struct nftl_uci2 c; | |
42 | }; | |
43 | ||
44 | struct nftl_oob { | |
45 | struct nftl_bci b; | |
46 | union nftl_uci u; | |
47 | }; | |
48 | ||
49 | /* NFTL Media Header */ | |
50 | ||
51 | struct NFTLMediaHeader { | |
52 | char DataOrgID[6]; | |
53 | uint16_t NumEraseUnits; | |
54 | uint16_t FirstPhysicalEUN; | |
55 | uint32_t FormattedSize; | |
56 | unsigned char UnitSizeFactor; | |
57 | } __attribute__((packed)); | |
58 | ||
59 | #define MAX_ERASE_ZONES (8192 - 512) | |
60 | ||
61 | #define ERASE_MARK 0x3c69 | |
62 | #define SECTOR_FREE 0xff | |
63 | #define SECTOR_USED 0x55 | |
64 | #define SECTOR_IGNORE 0x11 | |
65 | #define SECTOR_DELETED 0x00 | |
66 | ||
67 | #define FOLD_MARK_IN_PROGRESS 0x5555 | |
68 | ||
69 | #define ZONE_GOOD 0xff | |
70 | #define ZONE_BAD_ORIGINAL 0 | |
71 | #define ZONE_BAD_MARKED 7 | |
72 | ||
73 | ||
74 | #endif /* __MTD_NFTL_USER_H__ */ |