1 | /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ |
2 | /* |
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 |
18 | * |
19 | */ |
20 | |
21 | #ifndef __MTD_NFTL_USER_H__ |
22 | #define __MTD_NFTL_USER_H__ |
23 | |
24 | #include <linux/types.h> |
25 | |
26 | /* Block Control Information */ |
27 | |
28 | struct nftl_bci { |
29 | unsigned char ECCSig[6]; |
30 | __u8 Status; |
31 | __u8 Status1; |
32 | }__attribute__((packed)); |
33 | |
34 | /* Unit Control Information */ |
35 | |
36 | struct nftl_uci0 { |
37 | __u16 VirtUnitNum; |
38 | __u16 ReplUnitNum; |
39 | __u16 SpareVirtUnitNum; |
40 | __u16 SpareReplUnitNum; |
41 | } __attribute__((packed)); |
42 | |
43 | struct nftl_uci1 { |
44 | __u32 WearInfo; |
45 | __u16 EraseMark; |
46 | __u16 EraseMark1; |
47 | } __attribute__((packed)); |
48 | |
49 | struct nftl_uci2 { |
50 | __u16 FoldMark; |
51 | __u16 FoldMark1; |
52 | __u32 unused; |
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 { |
69 | char [6]; |
70 | __u16 ; |
71 | __u16 ; |
72 | __u32 ; |
73 | unsigned char ; |
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__ */ |
92 | |