4 * Copyright (c) 1999 Al Smith
6 * Portions derived from IRIX header files (c) 1985 MIPS Computer Systems, Inc.
12 #define VHMAGIC 0xbe5a941 /* volume header magic number */
13 #define NPARTAB 16 /* 16 unix partitions */
14 #define NVDIR 15 /* max of 15 directory entries */
15 #define BFNAMESIZE 16 /* max 16 chars in boot file name */
18 struct volume_directory
{
19 char vd_name
[VDNAMESIZE
]; /* name */
20 __be32 vd_lbn
; /* logical block number */
21 __be32 vd_nbytes
; /* file length in bytes */
24 struct partition_table
{ /* one per logical partition */
25 __be32 pt_nblks
; /* # of logical blks in partition */
26 __be32 pt_firstlbn
; /* first lbn of partition */
27 __be32 pt_type
; /* use of partition */
30 struct volume_header
{
31 __be32 vh_magic
; /* identifies volume header */
32 __be16 vh_rootpt
; /* root partition number */
33 __be16 vh_swappt
; /* swap partition number */
34 char vh_bootfile
[BFNAMESIZE
]; /* name of file to boot */
35 char pad
[48]; /* device param space */
36 struct volume_directory vh_vd
[NVDIR
]; /* other vol hdr contents */
37 struct partition_table vh_pt
[NPARTAB
]; /* device partition layout */
38 __be32 vh_csum
; /* volume header checksum */
39 __be32 vh_fill
; /* fill out to 512 bytes */
42 /* partition type sysv is used for EFS format CD-ROM partitions */
45 #define IS_EFS(x) (((x) == SGI_EFS) || ((x) == SGI_SYSV))
52 #endif /* __EFS_VH_H__ */
This page took 0.030975 seconds and 5 git commands to generate.