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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 |
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