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e2be04c7 | 1 | /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ |
1da177e4 | 2 | /* |
a1452a37 DW |
3 | * Copyright © 1999-2010 David Woodhouse <dwmw2@infradead.org> |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License as published by | |
7 | * the Free Software Foundation; either version 2 of the License, or | |
8 | * (at your option) any later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program; if not, write to the Free Software | |
17 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
1da177e4 LT |
18 | * |
19 | */ | |
20 | ||
21 | #ifndef __MTD_NFTL_USER_H__ | |
22 | #define __MTD_NFTL_USER_H__ | |
23 | ||
ccef7ab5 AB |
24 | #include <linux/types.h> |
25 | ||
1da177e4 LT |
26 | /* Block Control Information */ |
27 | ||
28 | struct nftl_bci { | |
29 | unsigned char ECCSig[6]; | |
ccef7ab5 AB |
30 | __u8 Status; |
31 | __u8 Status1; | |
1da177e4 LT |
32 | }__attribute__((packed)); |
33 | ||
34 | /* Unit Control Information */ | |
35 | ||
36 | struct nftl_uci0 { | |
ccef7ab5 AB |
37 | __u16 VirtUnitNum; |
38 | __u16 ReplUnitNum; | |
39 | __u16 SpareVirtUnitNum; | |
40 | __u16 SpareReplUnitNum; | |
1da177e4 LT |
41 | } __attribute__((packed)); |
42 | ||
43 | struct nftl_uci1 { | |
ccef7ab5 AB |
44 | __u32 WearInfo; |
45 | __u16 EraseMark; | |
46 | __u16 EraseMark1; | |
1da177e4 LT |
47 | } __attribute__((packed)); |
48 | ||
49 | struct nftl_uci2 { | |
ccef7ab5 AB |
50 | __u16 FoldMark; |
51 | __u16 FoldMark1; | |
52 | __u32 unused; | |
1da177e4 LT |
53 | } __attribute__((packed)); |
54 | ||
55 | union nftl_uci { | |
56 | struct nftl_uci0 a; | |
57 | struct nftl_uci1 b; | |
58 | struct nftl_uci2 c; | |
59 | }; | |
60 | ||
61 | struct nftl_oob { | |
62 | struct nftl_bci b; | |
63 | union nftl_uci u; | |
64 | }; | |
65 | ||
66 | /* NFTL Media Header */ | |
67 | ||
68 | struct NFTLMediaHeader { | |
69 | char DataOrgID[6]; | |
ccef7ab5 AB |
70 | __u16 NumEraseUnits; |
71 | __u16 FirstPhysicalEUN; | |
72 | __u32 FormattedSize; | |
1da177e4 LT |
73 | unsigned char UnitSizeFactor; |
74 | } __attribute__((packed)); | |
75 | ||
76 | #define MAX_ERASE_ZONES (8192 - 512) | |
77 | ||
78 | #define ERASE_MARK 0x3c69 | |
79 | #define SECTOR_FREE 0xff | |
80 | #define SECTOR_USED 0x55 | |
81 | #define SECTOR_IGNORE 0x11 | |
82 | #define SECTOR_DELETED 0x00 | |
83 | ||
84 | #define FOLD_MARK_IN_PROGRESS 0x5555 | |
85 | ||
86 | #define ZONE_GOOD 0xff | |
87 | #define ZONE_BAD_ORIGINAL 0 | |
88 | #define ZONE_BAD_MARKED 7 | |
89 | ||
90 | ||
91 | #endif /* __MTD_NFTL_USER_H__ */ |