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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
Thomas Gleixnere4f06482005-11-07 11:15:37 +00002 * $Id: inftl-user.h,v 1.2 2005/11/07 11:14:56 gleixner Exp $
Linus Torvalds1da177e2005-04-16 15:20:36 -07003 *
Thomas Gleixnere4f06482005-11-07 11:15:37 +00004 * Parts of INFTL headers shared with userspace
Linus Torvalds1da177e2005-04-16 15:20:36 -07005 *
6 */
7
8#ifndef __MTD_INFTL_USER_H__
9#define __MTD_INFTL_USER_H__
10
11#define OSAK_VERSION 0x5120
12#define PERCENTUSED 98
13
14#define SECTORSIZE 512
15
16/* Block Control Information */
17
18struct inftl_bci {
19 uint8_t ECCsig[6];
20 uint8_t Status;
21 uint8_t Status1;
22} __attribute__((packed));
23
24struct inftl_unithead1 {
25 uint16_t virtualUnitNo;
26 uint16_t prevUnitNo;
27 uint8_t ANAC;
28 uint8_t NACs;
29 uint8_t parityPerField;
30 uint8_t discarded;
31} __attribute__((packed));
32
33struct inftl_unithead2 {
34 uint8_t parityPerField;
35 uint8_t ANAC;
36 uint16_t prevUnitNo;
37 uint16_t virtualUnitNo;
38 uint8_t NACs;
39 uint8_t discarded;
40} __attribute__((packed));
41
42struct inftl_unittail {
43 uint8_t Reserved[4];
44 uint16_t EraseMark;
45 uint16_t EraseMark1;
46} __attribute__((packed));
47
48union inftl_uci {
49 struct inftl_unithead1 a;
50 struct inftl_unithead2 b;
51 struct inftl_unittail c;
52};
53
54struct inftl_oob {
55 struct inftl_bci b;
56 union inftl_uci u;
57};
58
59
60/* INFTL Media Header */
61
62struct INFTLPartition {
63 __u32 virtualUnits;
64 __u32 firstUnit;
65 __u32 lastUnit;
66 __u32 flags;
67 __u32 spareUnits;
68 __u32 Reserved0;
69 __u32 Reserved1;
70} __attribute__((packed));
71
72struct INFTLMediaHeader {
73 char bootRecordID[8];
74 __u32 NoOfBootImageBlocks;
75 __u32 NoOfBinaryPartitions;
76 __u32 NoOfBDTLPartitions;
77 __u32 BlockMultiplierBits;
78 __u32 FormatFlags;
79 __u32 OsakVersion;
80 __u32 PercentUsed;
81 struct INFTLPartition Partitions[4];
82} __attribute__((packed));
83
84/* Partition flag types */
85#define INFTL_BINARY 0x20000000
86#define INFTL_BDTL 0x40000000
87#define INFTL_LAST 0x80000000
88
89#endif /* __MTD_INFTL_USER_H__ */
90
91