151 lines
4.6 KiB
C
151 lines
4.6 KiB
C
/*
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This software was developed by the Computer Systems Engineering group
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* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
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* contributed to Berkeley.
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*
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* All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Lawrence Berkeley Laboratory.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)sun_disklabel.c 8.1 (Berkeley) 6/11/93
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*
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* from: Header: sun_disklabel.c,v 1.5 92/06/17 07:04:12 torek Exp
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* $Id: sun_disklabel.c,v 1.1 1993/10/30 23:42:21 mw Exp $
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*/
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/*
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* SunOS disk label code.
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*/
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#include <sys/param.h>
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#include <sys/disklabel.h>
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#include <sys/device.h>
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/*#include <sys/disk.h>*/
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#include <sys/ioctl.h>
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/*#include <amiga/sunos/sun_disklabel.h>*/
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/*
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* Take a sector (cp) containing a SunOS disk label and set lp to a BSD
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* disk label.
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*/
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int
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sun_disklabel(cp, lp)
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register caddr_t cp;
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register struct disklabel *lp;
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{
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return 0;
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#if 0
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register u_short *sp;
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register struct sun_disklabel *sl;
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register int i, v;
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sp = (u_short *)(cp + sizeof(struct sun_disklabel));
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--sp;
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v = 0;
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while (sp >= (u_short *)cp)
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v ^= *sp--;
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if (v)
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return (0);
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sl = (struct sun_disklabel *)cp;
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lp->d_magic = 0; /* denote as pseudo */
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lp->d_ncylinders = sl->sl_ncylinders;
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lp->d_acylinders = sl->sl_acylinders;
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v = (lp->d_ntracks = sl->sl_ntracks) *
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(lp->d_nsectors = sl->sl_nsectors);
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lp->d_secpercyl = v;
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lp->d_npartitions = 8;
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for (i = 0; i < 8; i++) {
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lp->d_partitions[i].p_offset =
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sl->sl_part[i].sdkp_cyloffset * v;
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lp->d_partitions[i].p_size = sl->sl_part[i].sdkp_nsectors;
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}
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return (1);
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#endif
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}
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int
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sun_dkioctl(dk, cmd, data, partition)
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struct dkdevice *dk;
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int cmd;
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caddr_t data;
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int partition;
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{
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return -1;
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#if 0
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register struct partition *p;
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switch (cmd) {
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case DKIOCGGEOM:
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#define geom ((struct sun_dkgeom *)data)
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bzero(data, sizeof(*geom));
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geom->sdkc_ncylinders = dk->dk_label.d_ncylinders;
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geom->sdkc_acylinders = dk->dk_label.d_acylinders;
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geom->sdkc_ntracks = dk->dk_label.d_ntracks;
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geom->sdkc_nsectors = dk->dk_label.d_nsectors;
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geom->sdkc_interleave = dk->dk_label.d_interleave;
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geom->sdkc_sparespercyl = dk->dk_label.d_sparespercyl;
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geom->sdkc_rpm = dk->dk_label.d_rpm;
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geom->sdkc_pcylinders =
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dk->dk_label.d_ncylinders + dk->dk_label.d_acylinders;
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#undef geom
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break;
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case DKIOCINFO:
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/* Homey don't do DKIOCINFO */
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bzero(data, sizeof(struct sun_dkctlr));
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break;
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case DKIOCGPART:
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if (dk->dk_label.d_secpercyl == 0)
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return (ERANGE); /* XXX */
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p = &dk->dk_label.d_partitions[partition];
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if (p->p_offset % dk->dk_label.d_secpercyl != 0)
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return (ERANGE); /* XXX */
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#define part ((struct sun_dkpart *)data)
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part->sdkp_cyloffset = p->p_offset / dk->dk_label.d_secpercyl;
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part->sdkp_nsectors = p->p_size;
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#undef part
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break;
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default:
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return (-1);
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}
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return (0);
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#endif
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}
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