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1da177e4 | 1 | /* |
a1452a37 DW |
2 | * Copyright © 1999-2010 David Woodhouse <dwmw2@infradead.org> |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License as published by | |
6 | * the Free Software Foundation; either version 2 of the License, or | |
7 | * (at your option) any later version. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License | |
15 | * along with this program; if not, write to the Free Software | |
16 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
1da177e4 LT |
17 | * |
18 | */ | |
19 | ||
20 | #ifndef __MTD_NFTL_USER_H__ | |
21 | #define __MTD_NFTL_USER_H__ | |
22 | ||
ccef7ab5 AB |
23 | #include <linux/types.h> |
24 | ||
1da177e4 LT |
25 | /* Block Control Information */ |
26 | ||
27 | struct nftl_bci { | |
28 | unsigned char ECCSig[6]; | |
ccef7ab5 AB |
29 | __u8 Status; |
30 | __u8 Status1; | |
1da177e4 LT |
31 | }__attribute__((packed)); |
32 | ||
33 | /* Unit Control Information */ | |
34 | ||
35 | struct nftl_uci0 { | |
ccef7ab5 AB |
36 | __u16 VirtUnitNum; |
37 | __u16 ReplUnitNum; | |
38 | __u16 SpareVirtUnitNum; | |
39 | __u16 SpareReplUnitNum; | |
1da177e4 LT |
40 | } __attribute__((packed)); |
41 | ||
42 | struct nftl_uci1 { | |
ccef7ab5 AB |
43 | __u32 WearInfo; |
44 | __u16 EraseMark; | |
45 | __u16 EraseMark1; | |
1da177e4 LT |
46 | } __attribute__((packed)); |
47 | ||
48 | struct nftl_uci2 { | |
ccef7ab5 AB |
49 | __u16 FoldMark; |
50 | __u16 FoldMark1; | |
51 | __u32 unused; | |
1da177e4 LT |
52 | } __attribute__((packed)); |
53 | ||
54 | union nftl_uci { | |
55 | struct nftl_uci0 a; | |
56 | struct nftl_uci1 b; | |
57 | struct nftl_uci2 c; | |
58 | }; | |
59 | ||
60 | struct nftl_oob { | |
61 | struct nftl_bci b; | |
62 | union nftl_uci u; | |
63 | }; | |
64 | ||
65 | /* NFTL Media Header */ | |
66 | ||
67 | struct NFTLMediaHeader { | |
68 | char DataOrgID[6]; | |
ccef7ab5 AB |
69 | __u16 NumEraseUnits; |
70 | __u16 FirstPhysicalEUN; | |
71 | __u32 FormattedSize; | |
1da177e4 LT |
72 | unsigned char UnitSizeFactor; |
73 | } __attribute__((packed)); | |
74 | ||
75 | #define MAX_ERASE_ZONES (8192 - 512) | |
76 | ||
77 | #define ERASE_MARK 0x3c69 | |
78 | #define SECTOR_FREE 0xff | |
79 | #define SECTOR_USED 0x55 | |
80 | #define SECTOR_IGNORE 0x11 | |
81 | #define SECTOR_DELETED 0x00 | |
82 | ||
83 | #define FOLD_MARK_IN_PROGRESS 0x5555 | |
84 | ||
85 | #define ZONE_GOOD 0xff | |
86 | #define ZONE_BAD_ORIGINAL 0 | |
87 | #define ZONE_BAD_MARKED 7 | |
88 | ||
89 | ||
90 | #endif /* __MTD_NFTL_USER_H__ */ |