1 /*- 2 * Copyright (c) 2011 Nathan Whitehorn 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29 #include <sys/param.h> 30 #include <errno.h> 31 #include <libutil.h> 32 #include <inttypes.h> 33 34 #include <libgeom.h> 35 #include <dialog.h> 36 #include <dlg_keys.h> 37 38 #include "partedit.h" 39 40 #define MIN_FREE_SPACE (1024*1024*1024) /* 1 GB */ 41 #define SWAP_SIZE(available) MIN(available/20, 4*1024*1024*1024LL) 42 43 static char *boot_disk(struct gmesh *mesh); 44 static char *wizard_partition(struct gmesh *mesh, const char *disk); 45 static int wizard_makeparts(struct gmesh *mesh, const char *disk); 46 47 int 48 part_wizard(void) { 49 int error; 50 struct gmesh mesh; 51 char *disk, *schemeroot; 52 53 startwizard: 54 error = geom_gettree(&mesh); 55 56 dlg_put_backtitle(); 57 error = geom_gettree(&mesh); 58 disk = boot_disk(&mesh); 59 if (disk == NULL) 60 return (1); 61 62 dlg_clear(); 63 dlg_put_backtitle(); 64 schemeroot = wizard_partition(&mesh, disk); 65 free(disk); 66 if (schemeroot == NULL) 67 return (1); 68 69 geom_deletetree(&mesh); 70 dlg_clear(); 71 dlg_put_backtitle(); 72 error = geom_gettree(&mesh); 73 74 error = wizard_makeparts(&mesh, schemeroot); 75 if (error) 76 goto startwizard; 77 free(schemeroot); 78 79 geom_deletetree(&mesh); 80 81 return (0); 82 } 83 84 static char * 85 boot_disk(struct gmesh *mesh) 86 { 87 struct gclass *classp; 88 struct gconfig *gc; 89 struct ggeom *gp; 90 struct gprovider *pp; 91 DIALOG_LISTITEM *disks = NULL; 92 const char *type, *desc; 93 char diskdesc[512]; 94 char *chosen; 95 int i, err, selected, n = 0; 96 97 LIST_FOREACH(classp, &mesh->lg_class, lg_class) { 98 if (strcmp(classp->lg_name, "DISK") != 0 && 99 strcmp(classp->lg_name, "MD") != 0) 100 continue; 101 102 LIST_FOREACH(gp, &classp->lg_geom, lg_geom) { 103 if (LIST_EMPTY(&gp->lg_provider)) 104 continue; 105 106 LIST_FOREACH(pp, &gp->lg_provider, lg_provider) { 107 desc = type = NULL; 108 LIST_FOREACH(gc, &pp->lg_config, lg_config) { 109 if (strcmp(gc->lg_name, "type") == 0) 110 type = gc->lg_val; 111 if (strcmp(gc->lg_name, "descr") == 0) 112 desc = gc->lg_val; 113 } 114 115 /* Skip swap-backed md and WORM devices */ 116 if (strcmp(classp->lg_name, "MD") == 0 && 117 type != NULL && strcmp(type, "swap") == 0) 118 continue; 119 if (strncmp(pp->lg_name, "cd", 2) == 0) 120 continue; 121 122 disks = realloc(disks, (++n)*sizeof(disks[0])); 123 disks[n-1].name = pp->lg_name; 124 humanize_number(diskdesc, 7, pp->lg_mediasize, 125 "B", HN_AUTOSCALE, HN_DECIMAL); 126 if (strncmp(pp->lg_name, "ad", 2) == 0) 127 strcat(diskdesc, " ATA Hard Disk"); 128 else if (strncmp(pp->lg_name, "md", 2) == 0) 129 strcat(diskdesc, " Memory Disk"); 130 else 131 strcat(diskdesc, " Disk"); 132 133 if (desc != NULL) 134 snprintf(diskdesc, sizeof(diskdesc), 135 "%s <%s>", diskdesc, desc); 136 137 disks[n-1].text = strdup(diskdesc); 138 disks[n-1].help = NULL; 139 disks[n-1].state = 0; 140 } 141 } 142 } 143 144 if (n > 1) { 145 err = dlg_menu("Partitioning", 146 "Select the disk on which to install FreeBSD.", 0, 0, 0, 147 n, disks, &selected, NULL); 148 149 chosen = (err == 0) ? strdup(disks[selected].name) : NULL; 150 } else if (n == 1) { 151 chosen = strdup(disks[0].name); 152 } else { 153 chosen = NULL; 154 } 155 156 for (i = 0; i < n; i++) 157 free(disks[i].text); 158 159 return (chosen); 160 } 161 162 static struct gprovider * 163 provider_for_name(struct gmesh *mesh, const char *name) 164 { 165 struct gclass *classp; 166 struct gprovider *pp = NULL; 167 struct ggeom *gp; 168 169 LIST_FOREACH(classp, &mesh->lg_class, lg_class) { 170 if (strcmp(classp->lg_name, "DISK") != 0 && 171 strcmp(classp->lg_name, "PART") != 0 && 172 strcmp(classp->lg_name, "MD") != 0) 173 continue; 174 175 LIST_FOREACH(gp, &classp->lg_geom, lg_geom) { 176 if (LIST_EMPTY(&gp->lg_provider)) 177 continue; 178 179 LIST_FOREACH(pp, &gp->lg_provider, lg_provider) 180 if (strcmp(pp->lg_name, name) == 0) 181 break; 182 183 if (pp != NULL) break; 184 } 185 186 if (pp != NULL) break; 187 } 188 189 return (pp); 190 } 191 192 static char * 193 wizard_partition(struct gmesh *mesh, const char *disk) 194 { 195 struct gclass *classp; 196 struct ggeom *gpart = NULL; 197 struct gconfig *gc; 198 char message[512]; 199 const char *scheme = NULL; 200 char *retval = NULL; 201 int choice; 202 203 LIST_FOREACH(classp, &mesh->lg_class, lg_class) 204 if (strcmp(classp->lg_name, "PART") == 0) 205 break; 206 207 if (classp != NULL) { 208 LIST_FOREACH(gpart, &classp->lg_geom, lg_geom) 209 if (strcmp(gpart->lg_name, disk) == 0) 210 break; 211 } 212 213 if (gpart != NULL) { 214 LIST_FOREACH(gc, &gpart->lg_config, lg_config) { 215 if (strcmp(gc->lg_name, "scheme") == 0) { 216 scheme = gc->lg_val; 217 break; 218 } 219 } 220 } 221 222 /* Treat uncommitted scheme deletions as no scheme */ 223 if (scheme != NULL && strcmp(scheme, "(none)") == 0) 224 scheme = NULL; 225 226 query: 227 dialog_vars.yes_label = "Entire Disk"; 228 dialog_vars.no_label = "Partition"; 229 if (gpart != NULL) 230 dialog_vars.defaultno = TRUE; 231 232 snprintf(message, sizeof(message), "Would you like to use this entire " 233 "disk (%s) for FreeBSD or partition it to share it with other " 234 "operating systems? Using the entire disk will erase any data " 235 "currently stored there.", disk); 236 choice = dialog_yesno("Partition", message, 0, 0); 237 238 dialog_vars.yes_label = NULL; 239 dialog_vars.no_label = NULL; 240 dialog_vars.defaultno = FALSE; 241 242 if (choice == 1 && scheme != NULL && !is_scheme_bootable(scheme)) { 243 char warning[512]; 244 int subchoice; 245 246 sprintf(warning, "The existing partition scheme on this " 247 "disk (%s) is not bootable on this platform. To install " 248 "FreeBSD, it must be repartitioned. This will destroy all " 249 "data on the disk. Are you sure you want to proceed?", 250 scheme); 251 subchoice = dialog_yesno("Non-bootable Disk", warning, 0, 0); 252 if (subchoice != 0) 253 goto query; 254 255 gpart_destroy(gpart, 1); 256 gpart_partition(disk, default_scheme()); 257 scheme = default_scheme(); 258 } 259 260 if (scheme == NULL || choice == 0) { 261 if (gpart != NULL && scheme != NULL) { 262 /* Erase partitioned disk */ 263 choice = dialog_yesno("Confirmation", "This will erase " 264 "the disk. Are you sure you want to proceed?", 0, 0); 265 if (choice != 0) 266 goto query; 267 268 gpart_destroy(gpart, 1); 269 } 270 271 gpart_partition(disk, default_scheme()); 272 scheme = default_scheme(); 273 } 274 275 if (strcmp(scheme, "PC98") == 0 || strcmp(scheme, "MBR") == 0) { 276 struct gmesh submesh; 277 geom_gettree(&submesh); 278 gpart_create(provider_for_name(&submesh, disk), 279 "freebsd", NULL, NULL, &retval, 280 choice /* Non-interactive for "Entire Disk" */); 281 geom_deletetree(&submesh); 282 } else { 283 retval = strdup(disk); 284 } 285 286 return (retval); 287 } 288 289 static int 290 wizard_makeparts(struct gmesh *mesh, const char *disk) 291 { 292 struct gmesh submesh; 293 struct gclass *classp; 294 struct ggeom *gp; 295 struct gconfig *gc; 296 const char *scheme; 297 struct gprovider *pp; 298 intmax_t swapsize, available; 299 char swapsizestr[10], rootsizestr[10]; 300 int retval; 301 302 LIST_FOREACH(classp, &mesh->lg_class, lg_class) 303 if (strcmp(classp->lg_name, "PART") == 0) 304 break; 305 306 LIST_FOREACH(gp, &classp->lg_geom, lg_geom) 307 if (strcmp(gp->lg_name, disk) == 0) 308 break; 309 310 LIST_FOREACH(gc, &gp->lg_config, lg_config) 311 if (strcmp(gc->lg_name, "scheme") == 0) 312 scheme = gc->lg_val; 313 314 pp = provider_for_name(mesh, disk); 315 316 available = gpart_max_free(gp, NULL)*pp->lg_sectorsize; 317 if (available < MIN_FREE_SPACE) { 318 char availablestr[10], neededstr[10], message[512]; 319 humanize_number(availablestr, 7, available, "B", HN_AUTOSCALE, 320 HN_DECIMAL); 321 humanize_number(neededstr, 7, MIN_FREE_SPACE, "B", HN_AUTOSCALE, 322 HN_DECIMAL); 323 sprintf(message, "There is not enough free space on %s to " 324 "install FreeBSD (%s free, %s required). Would you like " 325 "to choose another disk or to open the partition editor?", 326 disk, availablestr, neededstr); 327 328 dialog_vars.yes_label = "Another Disk"; 329 dialog_vars.no_label = "Editor"; 330 retval = dialog_yesno("Warning", message, 0, 0); 331 dialog_vars.yes_label = NULL; 332 dialog_vars.no_label = NULL; 333 334 return (!retval); /* Editor -> return 0 */ 335 } 336 337 swapsize = SWAP_SIZE(available); 338 humanize_number(swapsizestr, 7, swapsize, "B", HN_AUTOSCALE, 339 HN_NOSPACE | HN_DECIMAL); 340 humanize_number(rootsizestr, 7, available - swapsize - 1024*1024, 341 "B", HN_AUTOSCALE, HN_NOSPACE | HN_DECIMAL); 342 343 geom_gettree(&submesh); 344 pp = provider_for_name(&submesh, disk); 345 gpart_create(pp, "freebsd-ufs", rootsizestr, "/", NULL, 0); 346 geom_deletetree(&submesh); 347 348 geom_gettree(&submesh); 349 pp = provider_for_name(&submesh, disk); 350 gpart_create(pp, "freebsd-swap", swapsizestr, NULL, NULL, 0); 351 geom_deletetree(&submesh); 352 353 return (0); 354 } 355 356