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/*
* Copyright (c) 1983, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)disktab.h 8.1 (Berkeley) 6/2/93
* $DragonFly: src/include/disktab.h,v 1.4 2007/06/18 05:13:33 dillon Exp $
*/
#ifndef _DISKTAB_H_
#define _DISKTAB_H_
#ifndef _MACHINE_TYPES_H_
#include <machine/types.h>
#endif
/*
* Disk description table, see disktab(5)
*/
#ifndef _PATH_DISKTAB
#define _PATH_DISKTAB "/etc/disktab"
#endif
#define MAXDTPARTITIONS 16
struct disktab {
char d_typename[16]; /* drive type (string) */
int d_typeid; /* drive type (id) */
/*
* disk_info mandatory fields (not necessarily mandatory for disktab).
* If d_media_blksize and one of d_media_size or d_media_blocks
* is set, the remainining d_media_size/d_media_blocks field will
* be constructed by getdisktabbyname().
*/
__uint64_t d_media_size;
__uint64_t d_media_blocks;
int d_media_blksize;
int d_dsflags;
/*
* disk_info optional fields.
*/
unsigned int d_nheads; /* (used to be d_ntracks) */
unsigned int d_secpertrack; /* (used to be d_nsectors) */
unsigned int d_secpercyl;
unsigned int d_ncylinders;
int d_rpm; /* revolutions/minute */
int d_badsectforw; /* supports DEC bad144 std */
int d_sectoffset; /* use sect rather than cyl offsets */
int d_npartitions; /* number of partitions */
int d_interleave;
int d_trackskew;
int d_cylskew;
int d_headswitch;
int d_trkseek;
unsigned int d_bbsize; /* size of boot area */
unsigned int d_sbsize; /* max size of fs superblock */
/*
* The partition table is variable length but does not necessarily
* represent the maximum possible number of partitions for any
* particular type of disklabel.
*/
struct dt_partition {
__uint64_t p_offset; /* offset, in sectors */
__uint64_t p_size; /* #sectors in partition */
int p_fstype;
int p_fsize; /* fragment size */
int p_frag; /* bsize = fsize * frag */
char p_fstypestr[32];
} d_partitions[MAXDTPARTITIONS];
};
#ifndef _KERNEL
__BEGIN_DECLS
struct disklabel32;
struct disktab *getdisktabbyname (const char *);
struct disklabel32 *getdiskbyname (const char *);
__END_DECLS
#endif
#endif /* !_DISKTAB_H_ */
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