md.c revision 1.2.2.2
1 1.2.2.2 tls /* $NetBSD: md.c,v 1.2.2.2 2014/08/10 07:00:28 tls Exp $ */ 2 1.2.2.2 tls 3 1.2.2.2 tls /* 4 1.2.2.2 tls * Copyright 1997 Piermont Information Systems Inc. 5 1.2.2.2 tls * All rights reserved. 6 1.2.2.2 tls * 7 1.2.2.2 tls * Based on code written by Philip A. Nelson for Piermont Information 8 1.2.2.2 tls * Systems Inc. 9 1.2.2.2 tls * 10 1.2.2.2 tls * Redistribution and use in source and binary forms, with or without 11 1.2.2.2 tls * modification, are permitted provided that the following conditions 12 1.2.2.2 tls * are met: 13 1.2.2.2 tls * 1. Redistributions of source code must retain the above copyright 14 1.2.2.2 tls * notice, this list of conditions and the following disclaimer. 15 1.2.2.2 tls * 2. Redistributions in binary form must reproduce the above copyright 16 1.2.2.2 tls * notice, this list of conditions and the following disclaimer in the 17 1.2.2.2 tls * documentation and/or other materials provided with the distribution. 18 1.2.2.2 tls * 3. The name of Piermont Information Systems Inc. may not be used to endorse 19 1.2.2.2 tls * or promote products derived from this software without specific prior 20 1.2.2.2 tls * written permission. 21 1.2.2.2 tls * 22 1.2.2.2 tls * THIS SOFTWARE IS PROVIDED BY PIERMONT INFORMATION SYSTEMS INC. ``AS IS'' 23 1.2.2.2 tls * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 1.2.2.2 tls * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 1.2.2.2 tls * ARE DISCLAIMED. IN NO EVENT SHALL PIERMONT INFORMATION SYSTEMS INC. BE 26 1.2.2.2 tls * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 1.2.2.2 tls * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 1.2.2.2 tls * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 1.2.2.2 tls * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 1.2.2.2 tls * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 1.2.2.2 tls * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 32 1.2.2.2 tls * THE POSSIBILITY OF SUCH DAMAGE. 33 1.2.2.2 tls */ 34 1.2.2.2 tls 35 1.2.2.2 tls /* md.c -- shark machine specific routines */ 36 1.2.2.2 tls 37 1.2.2.2 tls #include <stdio.h> 38 1.2.2.2 tls #include <curses.h> 39 1.2.2.2 tls #include <unistd.h> 40 1.2.2.2 tls #include <fcntl.h> 41 1.2.2.2 tls #include <util.h> 42 1.2.2.2 tls #include <sys/types.h> 43 1.2.2.2 tls #include <sys/disklabel.h> 44 1.2.2.2 tls #include <sys/ioctl.h> 45 1.2.2.2 tls #include <sys/param.h> 46 1.2.2.2 tls 47 1.2.2.2 tls #include "defs.h" 48 1.2.2.2 tls #include "md.h" 49 1.2.2.2 tls #include "msg_defs.h" 50 1.2.2.2 tls #include "menu_defs.h" 51 1.2.2.2 tls 52 1.2.2.2 tls static int clear_mbr(const char *, char *, size_t); 53 1.2.2.2 tls 54 1.2.2.2 tls void 55 1.2.2.2 tls md_init(void) 56 1.2.2.2 tls { 57 1.2.2.2 tls } 58 1.2.2.2 tls 59 1.2.2.2 tls void 60 1.2.2.2 tls md_init_set_status(int flags) 61 1.2.2.2 tls { 62 1.2.2.2 tls (void)flags; 63 1.2.2.2 tls } 64 1.2.2.2 tls 65 1.2.2.2 tls int 66 1.2.2.2 tls md_get_info(void) 67 1.2.2.2 tls { 68 1.2.2.2 tls struct disklabel disklabel; 69 1.2.2.2 tls int fd; 70 1.2.2.2 tls char dev_name[100]; 71 1.2.2.2 tls 72 1.2.2.2 tls if (strncmp(pm->diskdev, "wd", 2) == 0) 73 1.2.2.2 tls pm->disktype = "ST506"; 74 1.2.2.2 tls else 75 1.2.2.2 tls pm->disktype = "SCSI"; 76 1.2.2.2 tls 77 1.2.2.2 tls snprintf(dev_name, 100, "/dev/r%sc", pm->diskdev); 78 1.2.2.2 tls 79 1.2.2.2 tls fd = open(dev_name, O_RDONLY, 0); 80 1.2.2.2 tls if (fd < 0) { 81 1.2.2.2 tls endwin(); 82 1.2.2.2 tls fprintf(stderr, "Can't open %s\n", dev_name); 83 1.2.2.2 tls exit(1); 84 1.2.2.2 tls } 85 1.2.2.2 tls if (ioctl(fd, DIOCGDINFO, &disklabel) == -1) { 86 1.2.2.2 tls endwin(); 87 1.2.2.2 tls fprintf(stderr, "Can't read disklabel on %s.\n", dev_name); 88 1.2.2.2 tls close(fd); 89 1.2.2.2 tls exit(1); 90 1.2.2.2 tls } 91 1.2.2.2 tls close(fd); 92 1.2.2.2 tls 93 1.2.2.2 tls pm->dlcyl = disklabel.d_ncylinders; 94 1.2.2.2 tls pm->dlhead = disklabel.d_ntracks; 95 1.2.2.2 tls pm->dlsec = disklabel.d_nsectors; 96 1.2.2.2 tls pm->sectorsize = disklabel.d_secsize; 97 1.2.2.2 tls pm->dlcylsize = disklabel.d_secpercyl; 98 1.2.2.2 tls 99 1.2.2.2 tls /* 100 1.2.2.2 tls * Compute whole disk size. Take max of (pm->dlcyl*pm->dlhead*pm->dlsec) 101 1.2.2.2 tls * and secperunit, just in case the disk is already labelled. 102 1.2.2.2 tls * (If our new label's RAW_PART size ends up smaller than the 103 1.2.2.2 tls * in-core RAW_PART size value, updating the label will fail.) 104 1.2.2.2 tls */ 105 1.2.2.2 tls pm->dlsize = pm->dlcyl*pm->dlhead*pm->dlsec; 106 1.2.2.2 tls if (disklabel.d_secperunit > pm->dlsize) 107 1.2.2.2 tls pm->dlsize = disklabel.d_secperunit; 108 1.2.2.2 tls 109 1.2.2.2 tls return 1; 110 1.2.2.2 tls } 111 1.2.2.2 tls 112 1.2.2.2 tls /* 113 1.2.2.2 tls * md back-end code for menu-driven BSD disklabel editor. 114 1.2.2.2 tls */ 115 1.2.2.2 tls int 116 1.2.2.2 tls md_make_bsd_partitions(void) 117 1.2.2.2 tls { 118 1.2.2.2 tls return make_bsd_partitions(); 119 1.2.2.2 tls } 120 1.2.2.2 tls 121 1.2.2.2 tls /* 122 1.2.2.2 tls * any additional partition validation 123 1.2.2.2 tls */ 124 1.2.2.2 tls int 125 1.2.2.2 tls md_check_partitions(void) 126 1.2.2.2 tls { 127 1.2.2.2 tls return 1; 128 1.2.2.2 tls } 129 1.2.2.2 tls 130 1.2.2.2 tls /* 131 1.2.2.2 tls * hook called before writing new disklabel. 132 1.2.2.2 tls */ 133 1.2.2.2 tls int 134 1.2.2.2 tls md_pre_disklabel(void) 135 1.2.2.2 tls { 136 1.2.2.2 tls char diskpath[MAXPATHLEN]; 137 1.2.2.2 tls 138 1.2.2.2 tls if (clear_mbr(pm->diskdev, diskpath, sizeof(diskpath)) == -1) { 139 1.2.2.2 tls msg_display(MSG_badclearmbr, diskpath); 140 1.2.2.2 tls process_menu(MENU_ok, NULL); 141 1.2.2.2 tls } 142 1.2.2.2 tls 143 1.2.2.2 tls return 0; 144 1.2.2.2 tls } 145 1.2.2.2 tls 146 1.2.2.2 tls /* 147 1.2.2.2 tls * hook called after writing disklabel to new target disk. 148 1.2.2.2 tls */ 149 1.2.2.2 tls int 150 1.2.2.2 tls md_post_disklabel(void) 151 1.2.2.2 tls { 152 1.2.2.2 tls return 0; 153 1.2.2.2 tls } 154 1.2.2.2 tls 155 1.2.2.2 tls /* 156 1.2.2.2 tls * hook called after upgrade() or install() has finished setting 157 1.2.2.2 tls * up the target disk but immediately before the user is given the 158 1.2.2.2 tls * ``disks are now set up'' message. 159 1.2.2.2 tls */ 160 1.2.2.2 tls int 161 1.2.2.2 tls md_post_newfs(void) 162 1.2.2.2 tls { 163 1.2.2.2 tls return 0; 164 1.2.2.2 tls } 165 1.2.2.2 tls 166 1.2.2.2 tls int 167 1.2.2.2 tls md_post_extract(void) 168 1.2.2.2 tls { 169 1.2.2.2 tls msg_display(MSG_setbootdevice); 170 1.2.2.2 tls process_menu(MENU_ok, NULL); 171 1.2.2.2 tls 172 1.2.2.2 tls return 0; 173 1.2.2.2 tls } 174 1.2.2.2 tls 175 1.2.2.2 tls void 176 1.2.2.2 tls md_cleanup_install(void) 177 1.2.2.2 tls { 178 1.2.2.2 tls #ifndef DEBUG 179 1.2.2.2 tls enable_rc_conf(); 180 1.2.2.2 tls add_rc_conf("wscons=YES\n"); 181 1.2.2.2 tls 182 1.2.2.2 tls /* Configure a single screen. */ 183 1.2.2.2 tls run_program(RUN_CHROOT, 184 1.2.2.2 tls "sed -an -e '/^screen/s/^/#/;/^mux/s/^/#/;" 185 1.2.2.2 tls "H;$!d;g;w /etc/wscons.conf' /etc/wscons.conf"); 186 1.2.2.2 tls 187 1.2.2.2 tls #endif 188 1.2.2.2 tls } 189 1.2.2.2 tls 190 1.2.2.2 tls int 191 1.2.2.2 tls md_pre_update(void) 192 1.2.2.2 tls { 193 1.2.2.2 tls return 1; 194 1.2.2.2 tls } 195 1.2.2.2 tls 196 1.2.2.2 tls /* Upgrade support */ 197 1.2.2.2 tls int 198 1.2.2.2 tls md_update(void) 199 1.2.2.2 tls { 200 1.2.2.2 tls md_post_newfs(); 201 1.2.2.2 tls return 1; 202 1.2.2.2 tls } 203 1.2.2.2 tls 204 1.2.2.2 tls /* 205 1.2.2.2 tls * Clears the disk's first sector by writing all zeros over it. 206 1.2.2.2 tls * Returns 0 on success, -1 on failure. Leaves the disk's path in 207 1.2.2.2 tls * the output diskpath buffer for further usage in error messages. 208 1.2.2.2 tls */ 209 1.2.2.2 tls static int 210 1.2.2.2 tls clear_mbr(const char *disk, char *diskpath, size_t diskpathlen) 211 1.2.2.2 tls { 212 1.2.2.2 tls int fd; 213 1.2.2.2 tls char sector[512]; 214 1.2.2.2 tls 215 1.2.2.2 tls fd = opendisk(disk, O_WRONLY, diskpath, diskpathlen, 0); 216 1.2.2.2 tls if (fd < 0) 217 1.2.2.2 tls return -1; 218 1.2.2.2 tls 219 1.2.2.2 tls memset(sector, 0, sizeof(sector)); 220 1.2.2.2 tls if (pwrite(fd, §or, sizeof(sector), 0) < 0) { 221 1.2.2.2 tls close(fd); 222 1.2.2.2 tls return -1; 223 1.2.2.2 tls } 224 1.2.2.2 tls 225 1.2.2.2 tls close(fd); 226 1.2.2.2 tls return 0; 227 1.2.2.2 tls } 228 1.2.2.2 tls 229 1.2.2.2 tls 230 1.2.2.2 tls int 231 1.2.2.2 tls md_pre_mount() 232 1.2.2.2 tls { 233 1.2.2.2 tls return 0; 234 1.2.2.2 tls } 235
Indexes created Thu Oct 02 07:10:07 GMT 2025