1 /* $NetBSD: md.c,v 1.2 2014/08/03 16:09:39 martin 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 /* md.c -- ews4800mips machine specific routines */ 36 37 #include <sys/types.h> 38 #include <sys/disklabel.h> 39 #include <sys/ioctl.h> 40 #include <sys/param.h> 41 #include <stdio.h> 42 #include <curses.h> 43 #include <unistd.h> 44 #include <fcntl.h> 45 #include <util.h> 46 47 #include "defs.h" 48 #include "md.h" 49 #include "msg_defs.h" 50 #include "menu_defs.h" 51 52 static int ews4800mips_boot_offset(void); 53 54 void 55 md_init(void) 56 { 57 } 58 59 void 60 md_init_set_status(int flags) 61 { 62 (void)flags; 63 } 64 65 int 66 md_get_info(void) 67 { 68 struct disklabel disklabel; 69 int fd; 70 char dev_name[100]; 71 72 snprintf(dev_name, 100, "/dev/r%s%c", pm->diskdev, 'a' + getrawpartition()); 73 74 fd = open(dev_name, O_RDONLY, 0); 75 if (fd < 0) { 76 endwin(); 77 fprintf (stderr, "Can't open %s\n", dev_name); 78 exit(1); 79 } 80 if (ioctl(fd, DIOCGDINFO, &disklabel) == -1) { 81 endwin(); 82 fprintf (stderr, "Can't read disklabel on %s.\n", dev_name); 83 close(fd); 84 exit(1); 85 } 86 close(fd); 87 88 pm->dlcyl = disklabel.d_ncylinders; 89 pm->dlhead = disklabel.d_ntracks; 90 pm->dlsec = disklabel.d_nsectors; 91 pm->sectorsize = disklabel.d_secsize; 92 pm->dlcylsize = disklabel.d_secpercyl; 93 94 /* 95 * Compute whole disk size. Take max of (pm->dlcyl*pm->dlhead*pm->dlsec) 96 * and secperunit, just in case the disk is already labelled. 97 * (If our new label's RAW_PART size ends up smaller than the 98 * in-core RAW_PART size value, updating the label will fail.) 99 */ 100 pm->dlsize = pm->dlcyl * pm->dlhead * pm->dlsec; 101 if (disklabel.d_secperunit > pm->dlsize) 102 pm->dlsize = disklabel.d_secperunit; 103 104 return 1; 105 } 106 107 /* 108 * md back-end code for menu-driven BSD disklabel editor. 109 */ 110 int 111 md_make_bsd_partitions(void) 112 { 113 114 return make_bsd_partitions(); 115 } 116 117 /* 118 * any additional partition validation 119 */ 120 int 121 md_check_partitions(void) 122 { 123 return 1; 124 } 125 126 /* 127 * hook called before writing new disklabel. 128 */ 129 int 130 md_pre_disklabel(void) 131 { 132 pm->bsdlabel[PART_BOOT].pi_offset = ews4800mips_boot_offset(); 133 134 return 0; 135 } 136 137 /* 138 * hook called after writing disklabel to new target disk. 139 */ 140 int 141 md_post_disklabel(void) 142 { 143 return 0; 144 } 145 146 /* 147 * hook called after upgrade() or install() has finished setting 148 * up the target disk but immediately before the user is given the 149 * ``disks are now set up'' message. 150 * 151 * On the ews4800mips, we use this opportunity to install the boot blocks. 152 */ 153 int 154 md_post_newfs(void) 155 { 156 int flags; 157 158 flags = RUN_DISPLAY | RUN_FATAL; 159 cp_to_target("/usr/mdec/boot", "/stand/boot"); 160 run_program(flags, "/usr/sbin/installboot /dev/r%s%c %s", 161 pm->diskdev, 'a' + getrawpartition(), 162 "/usr/mdec/bootxx_bfs"); 163 164 return 0; 165 } 166 167 int 168 md_post_extract(void) 169 { 170 return 0; 171 } 172 173 void 174 md_cleanup_install(void) 175 { 176 #ifndef DEBUG 177 enable_rc_conf(); 178 #endif 179 } 180 181 int 182 md_pre_update(void) 183 { 184 return 1; 185 } 186 187 /* Upgrade support */ 188 int 189 md_update(void) 190 { 191 md_post_newfs(); 192 return 1; 193 } 194 195 static int 196 ews4800mips_boot_offset(void) 197 { 198 return pm->dlcylsize; 199 } 200 201 /* 202 * used in bsddisklabel.c as BOOT_SIZE 203 */ 204 int 205 ews4800mips_boot_size(void) 206 { 207 int i; 208 209 /* 210 * pm->dlcylsize : PDINFO block 211 * pm->dlcylsize : 100 block 212 */ 213 i = pm->dlcylsize + 100; 214 if (i >= 1024) /* XXX bsddisklabel.c hack. convert to byte count. */ 215 i = pm->dlcylsize * pm->sectorsize * 2; 216 217 return i; 218 } 219 220 /* 221 * used in bsddisklabel.c as SYSVBFS_SIZE 222 */ 223 int 224 ews4800mips_sysvbfs_size(void) 225 { 226 return (8 * 1024 * 1024) / 512; /* 8MB */ 227 } 228 229 int 230 md_pre_mount() 231 { 232 return 0; 233 } 234