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01: /*
02:  * Copyright © 1999-2010 David Woodhouse <dwmw2@infradead.org>
03:  *
04:  * This program is free software; you can redistribute it and/or modify
05:  * it under the terms of the GNU General Public License as published by
06:  * the Free Software Foundation; either version 2 of the License, or
07:  * (at your option) any later version.
08:  *
09:  * 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
17:  *
18:  */
19: 
20: #ifndef __MTD_NFTL_USER_H__
21: #define __MTD_NFTL_USER_H__
22: 
23: #include <linux/types.h>
24: 
25: /* Block Control Information */
26: 
27: struct nftl_bci {
28:         unsigned char ECCSig[6];
29:         __u8 Status;
30:         __u8 Status1;
31: }__attribute__((packed));
32: 
33: /* Unit Control Information */
34: 
35: struct nftl_uci0 {
36:         __u16 VirtUnitNum;
37:         __u16 ReplUnitNum;
38:         __u16 SpareVirtUnitNum;
39:         __u16 SpareReplUnitNum;
40: } __attribute__((packed));
41: 
42: struct nftl_uci1 {
43:         __u32 WearInfo;
44:         __u16 EraseMark;
45:         __u16 EraseMark1;
46: } __attribute__((packed));
47: 
48: struct nftl_uci2 {
49:         __u16 FoldMark;
50:         __u16 FoldMark1;
51:         __u32 unused;
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];
69:         __u16 NumEraseUnits;
70:         __u16 FirstPhysicalEUN;
71:         __u32 FormattedSize;
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__ */
91: 

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