Contents of /tags/mkinitrd-6_1_3/grubby/linux_fs.h
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Sat Sep 1 22:45:15 2007 UTC (17 years ago) by niro
Original Path: trunk/mkinitrd-magellan/grubby/linux_fs.h
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Sat Sep 1 22:45:15 2007 UTC (17 years ago) by niro
Original Path: trunk/mkinitrd-magellan/grubby/linux_fs.h
File MIME type: text/plain
File size: 6213 byte(s)
-import if magellan mkinitrd; it is a fork of redhats mkinitrd-5.0.8 with all magellan patches and features; deprecates magellan-src/mkinitrd
1 | /* Including <linux/fs.h> became more and more painful. |
2 | Below a very abbreviated version of some declarations, |
3 | only designed to be able to check a magic number |
4 | in case no filesystem type was given. */ |
5 | |
6 | #ifndef BLKGETSIZE |
7 | #ifndef _IO |
8 | /* pre-1.3.45 */ |
9 | #define BLKGETSIZE 0x1260 /* return device size */ |
10 | #else |
11 | /* same on i386, m68k, arm; different on alpha, mips, sparc, ppc */ |
12 | #define BLKGETSIZE _IO(0x12,96) |
13 | #endif |
14 | #endif |
15 | |
16 | #define MINIX_SUPER_MAGIC 0x137F /* original minix fs */ |
17 | #define MINIX_SUPER_MAGIC2 0x138F /* minix fs, 30 char names */ |
18 | struct minix_super_block { |
19 | unsigned char s_dummy[16]; |
20 | unsigned char s_magic[2]; |
21 | }; |
22 | #define minixmagic(s) ((unsigned int) s.s_magic[0] + (((unsigned int) s.s_magic[1]) << 8)) |
23 | |
24 | #define ISODCL(from, to) (to - from + 1) |
25 | #define ISO_STANDARD_ID "CD001" |
26 | struct iso_volume_descriptor { |
27 | char type[ISODCL(1,1)]; /* 711 */ |
28 | char id[ISODCL(2,6)]; |
29 | char version[ISODCL(7,7)]; |
30 | char data[ISODCL(8,2048)]; |
31 | }; |
32 | |
33 | #define HS_STANDARD_ID "CDROM" |
34 | struct hs_volume_descriptor { |
35 | char foo[ISODCL ( 1, 8)]; /* 733 */ |
36 | char type[ISODCL ( 9, 9)]; /* 711 */ |
37 | char id[ISODCL ( 10, 14)]; |
38 | char version[ISODCL ( 15, 15)]; /* 711 */ |
39 | char data[ISODCL(16,2048)]; |
40 | }; |
41 | |
42 | #define EXT_SUPER_MAGIC 0x137D |
43 | struct ext_super_block { |
44 | unsigned char s_dummy[56]; |
45 | unsigned char s_magic[2]; |
46 | }; |
47 | #define extmagic(s) ((unsigned int) s.s_magic[0] + (((unsigned int) s.s_magic[1]) << 8)) |
48 | |
49 | #define EXT2_PRE_02B_MAGIC 0xEF51 |
50 | #define EXT2_SUPER_MAGIC 0xEF53 |
51 | #define EXT3_FEATURE_COMPAT_HAS_JOURNAL 0x0004 |
52 | struct ext2_super_block { |
53 | unsigned char s_dummy1[56]; |
54 | unsigned char s_magic[2]; |
55 | unsigned char s_dummy2[34]; |
56 | unsigned char s_feature_compat[4]; |
57 | unsigned char s_feature_incompat[4]; |
58 | unsigned char s_feature_ro_compat[4]; |
59 | unsigned char s_uuid[16]; |
60 | unsigned char s_volume_name[16]; |
61 | unsigned char s_dummy3[88]; |
62 | unsigned char s_journal_inum[4]; /* ext3 only */ |
63 | }; |
64 | #define ext2magic(s) ((unsigned int) s.s_magic[0] + (((unsigned int) s.s_magic[1]) << 8)) |
65 | |
66 | struct reiserfs_super_block |
67 | { |
68 | unsigned char s_block_count[4]; |
69 | unsigned char s_free_blocks[4]; |
70 | unsigned char s_root_block[4]; |
71 | unsigned char s_journal_block[4]; |
72 | unsigned char s_journal_dev[4]; |
73 | unsigned char s_orig_journal_size[4]; |
74 | unsigned char s_journal_trans_max[4]; |
75 | unsigned char s_journal_block_count[4]; |
76 | unsigned char s_journal_max_batch[4]; |
77 | unsigned char s_journal_max_commit_age[4]; |
78 | unsigned char s_journal_max_trans_age[4]; |
79 | unsigned char s_blocksize[2]; |
80 | unsigned char s_oid_maxsize[2]; |
81 | unsigned char s_oid_cursize[2]; |
82 | unsigned char s_state[2]; |
83 | unsigned char s_magic[12]; |
84 | }; |
85 | #define REISERFS_SUPER_MAGIC_STRING "ReIsErFs" |
86 | #define REISER2FS_SUPER_MAGIC_STRING "ReIsEr2Fs" |
87 | #define REISERFS_DISK_OFFSET_IN_BYTES (64 * 1024) |
88 | /* the spot for the super in versions 3.5 - 3.5.10 (inclusive) */ |
89 | #define REISERFS_OLD_DISK_OFFSET_IN_BYTES (8 * 1024) |
90 | |
91 | #define _XIAFS_SUPER_MAGIC 0x012FD16D |
92 | struct xiafs_super_block { |
93 | unsigned char s_boot_segment[512]; /* 1st sector reserved for boot */ |
94 | unsigned char s_dummy[60]; |
95 | unsigned char s_magic[4]; |
96 | }; |
97 | #define xiafsmagic(s) ((unsigned int) s.s_magic[0] + (((unsigned int) s.s_magic[1]) << 8) + \ |
98 | (((unsigned int) s.s_magic[2]) << 16) + \ |
99 | (((unsigned int) s.s_magic[3]) << 24)) |
100 | |
101 | /* From jj@sunsite.ms.mff.cuni.cz Mon Mar 23 15:19:05 1998 */ |
102 | #define UFS_SUPER_MAGIC 0x00011954 |
103 | struct ufs_super_block { |
104 | unsigned char s_dummy[0x55c]; |
105 | unsigned char s_magic[4]; |
106 | }; |
107 | #define ufsmagic(s) ((unsigned int) s.s_magic[0] + (((unsigned int) s.s_magic[1]) << 8) + \ |
108 | (((unsigned int) s.s_magic[2]) << 16) + \ |
109 | (((unsigned int) s.s_magic[3]) << 24)) |
110 | |
111 | /* From Richard.Russon@ait.co.uk Wed Feb 24 08:05:27 1999 */ |
112 | #define NTFS_SUPER_MAGIC "NTFS" |
113 | struct ntfs_super_block { |
114 | unsigned char s_dummy[3]; |
115 | unsigned char s_magic[4]; |
116 | }; |
117 | |
118 | /* From inspection of a few FAT filesystems - aeb */ |
119 | /* Unfortunately I find almost the same thing on an extended partition; |
120 | it looks like a primary has some directory entries where the extended |
121 | has a partition table: IO.SYS, MSDOS.SYS, WINBOOT.SYS */ |
122 | struct fat_super_block { |
123 | unsigned char s_dummy[3]; |
124 | unsigned char s_os[8]; /* "MSDOS5.0" or "MSWIN4.0" or "MSWIN4.1" */ |
125 | /* mtools-3.9.4 writes "MTOOL394" */ |
126 | unsigned char s_dummy2[32]; |
127 | unsigned char s_label[11]; /* for DOS? */ |
128 | unsigned char s_fs[8]; /* "FAT12 " or "FAT16 " or all zero */ |
129 | /* OS/2 BM has "FAT " here. */ |
130 | unsigned char s_dummy3[9]; |
131 | unsigned char s_label2[11]; /* for Windows? */ |
132 | unsigned char s_fs2[8]; /* garbage or "FAT32 " */ |
133 | }; |
134 | |
135 | #define XFS_SUPER_MAGIC "XFSB" |
136 | struct xfs_super_block { |
137 | unsigned char s_magic[4]; |
138 | unsigned char s_dummy[28]; |
139 | unsigned char s_uuid[16]; |
140 | unsigned char s_dummy2[60]; |
141 | unsigned char s_fname[12]; |
142 | }; |
143 | |
144 | #define CRAMFS_SUPER_MAGIC 0x28cd3d45 |
145 | struct cramfs_super_block { |
146 | unsigned char s_magic[4]; |
147 | unsigned char s_dummy[12]; |
148 | unsigned char s_id[16]; |
149 | }; |
150 | #define cramfsmagic(s) ((unsigned int) s.s_magic[0] + (((unsigned int) s.s_magic[1]) << 8) + \ |
151 | (((unsigned int) s.s_magic[2]) << 16) + \ |
152 | (((unsigned int) s.s_magic[3]) << 24)) |
153 | |
154 | #define HFS_SUPER_MAGIC 0x4244 |
155 | struct hfs_super_block { |
156 | unsigned char s_magic[2]; |
157 | unsigned char s_dummy[18]; |
158 | unsigned char s_blksize[4]; |
159 | }; |
160 | #define hfsmagic(s) ((unsigned int) s.s_magic[0] + (((unsigned int) s.s_magic[1]) << 8)) |
161 | #define hfsblksize(s) ((unsigned int) s.s_blksize[0] + \ |
162 | (((unsigned int) s.s_blksize[1]) << 8) + \ |
163 | (((unsigned int) s.s_blksize[2]) << 16) + \ |
164 | (((unsigned int) s.s_blksize[3]) << 24)) |
165 | |
166 | #define HPFS_SUPER_MAGIC 0xf995e849 |
167 | struct hpfs_super_block { |
168 | unsigned char s_magic[4]; |
169 | unsigned char s_magic2[4]; |
170 | }; |
171 | #define hpfsmagic(s) ((unsigned int) s.s_magic[0] + (((unsigned int) s.s_magic[1]) << 8) + \ |
172 | (((unsigned int) s.s_magic[2]) << 16) + \ |
173 | (((unsigned int) s.s_magic[3]) << 24)) |
174 | |
175 | struct adfs_super_block { |
176 | unsigned char s_dummy[448]; |
177 | unsigned char s_blksize[1]; |
178 | unsigned char s_dummy2[62]; |
179 | unsigned char s_checksum[1]; |
180 | }; |
181 | #define adfsblksize(s) ((unsigned int) s.s_blksize[0]) |