109 lines
4.4 KiB
C
109 lines
4.4 KiB
C
/*
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* Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. The rights granted to you under the License
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* may not be used to create, or enable the creation or redistribution of,
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* unlawful or unlicensed copies of an Apple operating system, or to
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* circumvent, violate, or enable the circumvention or violation of, any
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* terms of an Apple operating system software license agreement.
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*
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* Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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*/
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/*
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* HISTORY:
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* 16-Mar-88 John Seamons (jks) at NeXT
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* Cleaned up to support standard disk label definitions.
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*
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* 24-Feb-88 Mike DeMoney (mike) at NeXT
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* Added d_boot0_blkno to indicate logical block number
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* of "block 0" boot. This blkno is in d_secsize sectors.
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* Added d_bootfile to indicate the default operating system
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* image to be booted by the blk 0 boot.
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* Changed d_name and d_type to be char arrays rather than ptrs
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* so they are part of label. This limits length of info in
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* /etc/disktab, sorry.
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*/
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#ifndef _SYS_DISKTAB_
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#define _SYS_DISKTAB_
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#include <sys/appleapiopts.h>
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#ifdef __APPLE_API_OBSOLETE
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/*
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* Disk description table, see disktab(5)
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*/
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#ifndef KERNEL
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#define DISKTAB "/etc/disktab"
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#endif /* !KERNEL */
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#define MAXDNMLEN 24 // drive name length
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#define MAXMPTLEN 16 // mount point length
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#define MAXFSTLEN 8 // file system type length
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#define MAXTYPLEN 24 // drive type length
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#define NBOOTS 2 // # of boot blocks
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#define MAXBFLEN 24 // bootfile name length
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#define MAXHNLEN 32 // host name length
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#define NPART 8 // # of partitions
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typedef struct partition {
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int p_base; /* base sector# of partition */
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int p_size; /* #sectors in partition */
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short p_bsize; /* block size in bytes */
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short p_fsize; /* frag size in bytes */
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char p_opt; /* 's'pace/'t'ime optimization pref */
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short p_cpg; /* cylinders per group */
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short p_density; /* bytes per inode density */
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char p_minfree; /* minfree (%) */
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char p_newfs; /* run newfs during init */
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char p_mountpt[MAXMPTLEN];/* mount point */
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char p_automnt; /* auto-mount when inserted */
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char p_type[MAXFSTLEN];/* file system type */
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} partition_t;
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typedef struct disktab {
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char d_name[MAXDNMLEN]; /* drive name */
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char d_type[MAXTYPLEN]; /* drive type */
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int d_secsize; /* sector size in bytes */
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int d_ntracks; /* # tracks/cylinder */
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int d_nsectors; /* # sectors/track */
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int d_ncylinders; /* # cylinders */
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int d_rpm; /* revolutions/minute */
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short d_front; /* size of front porch (sectors) */
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short d_back; /* size of back porch (sectors) */
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short d_ngroups; /* number of alt groups */
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short d_ag_size; /* alt group size (sectors) */
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short d_ag_alts; /* alternate sectors / alt group */
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short d_ag_off; /* sector offset to first alternate */
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int d_boot0_blkno[NBOOTS]; /* "blk 0" boot locations */
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char d_bootfile[MAXBFLEN]; /* default bootfile */
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char d_hostname[MAXHNLEN]; /* host name */
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char d_rootpartition; /* root partition e.g. 'a' */
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char d_rwpartition; /* r/w partition e.g. 'b' */
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partition_t d_partitions[NPART];
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} disktab_t;
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#ifndef KERNEL
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struct disktab *getdiskbyname(), *getdiskbydev();
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#endif /* !KERNEL */
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#endif /* __APPLE_API_OBSOLETE */
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#endif /* _SYS_DISKTAB_ */
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