diff options
author | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 18:20:36 -0400 |
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committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 18:20:36 -0400 |
commit | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch) | |
tree | 0bba044c4ce775e45a88a51686b5d9f90697ea9d /include/linux/romfs_fs.h |
Linux-2.6.12-rc2v2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
Diffstat (limited to 'include/linux/romfs_fs.h')
-rw-r--r-- | include/linux/romfs_fs.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/include/linux/romfs_fs.h b/include/linux/romfs_fs.h new file mode 100644 index 000000000000..e20bbf9eb365 --- /dev/null +++ b/include/linux/romfs_fs.h | |||
@@ -0,0 +1,61 @@ | |||
1 | #ifndef __LINUX_ROMFS_FS_H | ||
2 | #define __LINUX_ROMFS_FS_H | ||
3 | |||
4 | /* The basic structures of the romfs filesystem */ | ||
5 | |||
6 | #define ROMBSIZE BLOCK_SIZE | ||
7 | #define ROMBSBITS BLOCK_SIZE_BITS | ||
8 | #define ROMBMASK (ROMBSIZE-1) | ||
9 | #define ROMFS_MAGIC 0x7275 | ||
10 | |||
11 | #define ROMFS_MAXFN 128 | ||
12 | |||
13 | #define __mkw(h,l) (((h)&0x00ff)<< 8|((l)&0x00ff)) | ||
14 | #define __mkl(h,l) (((h)&0xffff)<<16|((l)&0xffff)) | ||
15 | #define __mk4(a,b,c,d) cpu_to_be32(__mkl(__mkw(a,b),__mkw(c,d))) | ||
16 | #define ROMSB_WORD0 __mk4('-','r','o','m') | ||
17 | #define ROMSB_WORD1 __mk4('1','f','s','-') | ||
18 | |||
19 | /* On-disk "super block" */ | ||
20 | |||
21 | struct romfs_super_block { | ||
22 | __be32 word0; | ||
23 | __be32 word1; | ||
24 | __be32 size; | ||
25 | __be32 checksum; | ||
26 | char name[0]; /* volume name */ | ||
27 | }; | ||
28 | |||
29 | /* On disk inode */ | ||
30 | |||
31 | struct romfs_inode { | ||
32 | __be32 next; /* low 4 bits see ROMFH_ */ | ||
33 | __be32 spec; | ||
34 | __be32 size; | ||
35 | __be32 checksum; | ||
36 | char name[0]; | ||
37 | }; | ||
38 | |||
39 | #define ROMFH_TYPE 7 | ||
40 | #define ROMFH_HRD 0 | ||
41 | #define ROMFH_DIR 1 | ||
42 | #define ROMFH_REG 2 | ||
43 | #define ROMFH_SYM 3 | ||
44 | #define ROMFH_BLK 4 | ||
45 | #define ROMFH_CHR 5 | ||
46 | #define ROMFH_SCK 6 | ||
47 | #define ROMFH_FIF 7 | ||
48 | #define ROMFH_EXEC 8 | ||
49 | |||
50 | /* Alignment */ | ||
51 | |||
52 | #define ROMFH_SIZE 16 | ||
53 | #define ROMFH_PAD (ROMFH_SIZE-1) | ||
54 | #define ROMFH_MASK (~ROMFH_PAD) | ||
55 | |||
56 | #ifdef __KERNEL__ | ||
57 | |||
58 | /* Not much now */ | ||
59 | |||
60 | #endif /* __KERNEL__ */ | ||
61 | #endif | ||