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md.c revision 1.2.4.1 
      1 /*	$NetBSD: md.c,v 1.2.4.1 2015/01/11 04:32:38 snj Exp $	*/
      2 
      3 /*
      4  * Copyright 1997 Piermont Information Systems Inc.
      5  * All rights reserved.
      6  *
      7  * Based on code written by Philip A. Nelson for Piermont Information
      8  * Systems Inc.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. The name of Piermont Information Systems Inc. may not be used to endorse
     19  *    or promote products derived from this software without specific prior
     20  *    written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY PIERMONT INFORMATION SYSTEMS INC. ``AS IS''
     23  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     25  * ARE DISCLAIMED. IN NO EVENT SHALL PIERMONT INFORMATION SYSTEMS INC. BE
     26  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     27  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     28  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     29  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     30  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     31  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     32  * THE POSSIBILITY OF SUCH DAMAGE.
     33  *
     34  */
     35 
     36 #include <sys/types.h>
     37 #include <sys/disklabel.h>
     38 #include <sys/ioctl.h>
     39 #include <sys/param.h>
     40 #include <stdio.h>
     41 #include <curses.h>
     42 #include <unistd.h>
     43 #include <fcntl.h>
     44 #include <util.h>
     45 
     46 #include "defs.h"
     47 #include "md.h"
     48 #include "msg_defs.h"
     49 #include "menu_defs.h"
     50 
     51 int
     52 md_get_info(void)
     53 {
     54 	struct disklabel disklabel;
     55 	int fd;
     56 	char dev_name[100];
     57 
     58 	snprintf(dev_name, 100, "/dev/r%s%c", pm->diskdev, 'a' + getrawpartition());
     59 
     60 	fd = open(dev_name, O_RDONLY, 0);
     61 	if (fd < 0) {
     62 		endwin();
     63 		fprintf (stderr, "Can't open %s\n", dev_name);
     64 		exit(1);
     65 	}
     66 	if (ioctl(fd, DIOCGDINFO, &disklabel) == -1) {
     67 		endwin();
     68 		fprintf (stderr, "Can't read disklabel on %s.\n", dev_name);
     69 		close(fd);
     70 		exit(1);
     71 	}
     72 	close(fd);
     73 
     74 	pm->dlcyl = disklabel.d_ncylinders;
     75 	pm->dlhead = disklabel.d_ntracks;
     76 	pm->dlsec = disklabel.d_nsectors;
     77 	pm->sectorsize = disklabel.d_secsize;
     78 	pm->dlcylsize = disklabel.d_secpercyl;
     79 
     80 	/*
     81 	 * Compute whole disk size. Take max of (pm->dlcyl*pm->dlhead*pm->dlsec)
     82 	 * and secperunit,  just in case the disk is already labelled.
     83 	 * (If our new label's RAW_PART size ends up smaller than the
     84 	 * in-core RAW_PART size  value, updating the label will fail.)
     85 	 */
     86 	pm->dlsize = pm->dlcyl * pm->dlhead * pm->dlsec;
     87 	if (disklabel.d_secperunit > pm->dlsize)
     88 		pm->dlsize = disklabel.d_secperunit;
     89 
     90 	return 1;
     91 }
     92 
     93 /*
     94  * hook called before writing new disklabel.
     95  */
     96 int
     97 md_pre_disklabel(void)
     98 {
     99 
    100 	return 0;
    101 }
    102 
    103 /*
    104  * hook called after writing disklabel to new target disk.
    105  */
    106 int
    107 md_post_disklabel(void)
    108 {
    109 	return 0;
    110 }
    111 
    112 /*
    113  * MD hook called after upgrade() or install() has finished setting
    114  * up the target disk but immediately before the user is given the
    115  * ``disks are now set up'' message, so that if power fails, they can
    116  * continue installation by booting the target disk and doing an
    117  * `upgrade'.
    118  */
    119 int
    120 md_post_newfs(void)
    121 {
    122 
    123 	return 0;
    124 }
    125 
    126 int
    127 md_make_bsd_partitions(void)
    128 {
    129 
    130 	return make_bsd_partitions();
    131 }
    132 
    133 /*
    134  * any additional partition validataion
    135  */
    136 int
    137 md_check_partitions(void)
    138 {
    139 
    140 	return 1;
    141 }
    142 
    143 /* Upgrade support */
    144 int
    145 md_update(void)
    146 {
    147 
    148 	endwin();
    149 	md_post_newfs();
    150 	wrefresh(curscr);
    151 	wmove(stdscr, 0, 0);
    152 	wclear(stdscr);
    153 	wrefresh(stdscr);
    154 	return 1;
    155 }
    156 
    157 void
    158 md_cleanup_install(void)
    159 {
    160 
    161 	enable_rc_conf();
    162 }
    163 
    164 int
    165 md_pre_update(void)
    166 {
    167 
    168 	return 1;
    169 }
    170 
    171 void
    172 md_init(void)
    173 {
    174 }
    175 
    176 void
    177 md_init_set_status(int flags)
    178 {
    179 
    180 	(void)flags;
    181 }
    182 
    183 int
    184 md_post_extract(void)
    185 {
    186 	return 0;
    187 }
    188 
    189 int
    190 md_pre_mount()
    191 {
    192 	return 0;
    193 }
    194