2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2011 Nathan Whitehorn
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 #include <sys/param.h>
43 #define GPART_FLAGS "x" /* Do not commit changes by default */
46 gpart_show_error(const char *title, const char *explanation, const char *errstr)
52 if (explanation == NULL)
55 error = strtol(errstr, &errmsg, 0);
56 if (errmsg != errstr) {
57 while (errmsg[0] == ' ')
59 if (errmsg[0] != '\0')
60 sprintf(message, "%s%s. %s", explanation,
61 strerror(error), errmsg);
63 sprintf(message, "%s%s", explanation, strerror(error));
65 sprintf(message, "%s%s", explanation, errmsg);
68 dialog_msgbox(title, message, 0, 0, TRUE);
72 scheme_supports_labels(const char *scheme)
74 if (strcmp(scheme, "APM") == 0)
76 if (strcmp(scheme, "GPT") == 0)
83 newfs_command(const char *fstype, char *command, int use_default)
85 if (strcmp(fstype, "freebsd-ufs") == 0) {
87 DIALOG_LISTITEM items[] = {
88 {"UFS1", "UFS Version 1",
89 "Use version 1 of the UFS file system instead "
90 "of version 2 (not recommended)", 0 },
92 "Enable softupdates (default)", 1 },
93 {"SUJ", "Softupdates journaling",
94 "Enable file system journaling (default - "
95 "turn off for SSDs)", 1 },
96 {"TRIM", "Enable SSD TRIM support",
97 "Enable TRIM support, useful on solid-state drives",
103 choice = dlg_checklist("UFS Options", "", 0, 0, 0,
104 nitems(items), items, NULL,
106 if (choice == 1) /* Cancel */
110 strcpy(command, "newfs ");
111 for (i = 0; i < (int)nitems(items); i++) {
112 if (items[i].state == 0)
114 if (strcmp(items[i].name, "UFS1") == 0)
115 strcat(command, "-O1 ");
116 else if (strcmp(items[i].name, "SU") == 0)
117 strcat(command, "-U ");
118 else if (strcmp(items[i].name, "SUJ") == 0)
119 strcat(command, "-j ");
120 else if (strcmp(items[i].name, "TRIM") == 0)
121 strcat(command, "-t ");
123 } else if (strcmp(fstype, "freebsd-zfs") == 0) {
125 DIALOG_LISTITEM items[] = {
126 {"fletcher4", "checksum algorithm: fletcher4",
127 "Use fletcher4 for data integrity checking. "
129 {"fletcher2", "checksum algorithm: fletcher2",
130 "Use fletcher2 for data integrity checking. "
131 "(not recommended)", 0 },
132 {"sha256", "checksum algorithm: sha256",
133 "Use sha256 for data integrity checking. "
134 "(not recommended)", 0 },
135 {"atime", "Update atimes for files",
136 "Disable atime update", 0 },
141 choice = dlg_checklist("ZFS Options", "", 0, 0, 0,
142 nitems(items), items, NULL,
144 if (choice == 1) /* Cancel */
148 strcpy(command, "zpool create -f -m none ");
149 if (getenv("BSDINSTALL_TMPBOOT") != NULL) {
150 char zfsboot_path[MAXPATHLEN];
151 snprintf(zfsboot_path, sizeof(zfsboot_path), "%s/zfs",
152 getenv("BSDINSTALL_TMPBOOT"));
153 mkdir(zfsboot_path, S_IRWXU | S_IRGRP | S_IXGRP |
155 sprintf(command, "%s -o cachefile=%s/zpool.cache ",
156 command, zfsboot_path);
158 for (i = 0; i < (int)nitems(items); i++) {
159 if (items[i].state == 0)
161 if (strcmp(items[i].name, "fletcher4") == 0)
162 strcat(command, "-O checksum=fletcher4 ");
163 else if (strcmp(items[i].name, "fletcher2") == 0)
164 strcat(command, "-O checksum=fletcher2 ");
165 else if (strcmp(items[i].name, "sha256") == 0)
166 strcat(command, "-O checksum=sha256 ");
167 else if (strcmp(items[i].name, "atime") == 0)
168 strcat(command, "-O atime=off ");
170 } else if (strcmp(fstype, "fat32") == 0 || strcmp(fstype, "efi") == 0) {
172 DIALOG_LISTITEM items[] = {
173 {"FAT32", "FAT Type 32",
174 "Create a FAT32 filesystem (default)", 1 },
175 {"FAT16", "FAT Type 16",
176 "Create a FAT16 filesystem", 0 },
177 {"FAT12", "FAT Type 12",
178 "Create a FAT12 filesystem", 0 },
183 choice = dlg_checklist("FAT Options", "", 0, 0, 0,
184 nitems(items), items, NULL,
186 if (choice == 1) /* Cancel */
190 strcpy(command, "newfs_msdos ");
191 for (i = 0; i < (int)nitems(items); i++) {
192 if (items[i].state == 0)
194 if (strcmp(items[i].name, "FAT32") == 0)
195 strcat(command, "-F 32 ");
196 else if (strcmp(items[i].name, "FAT16") == 0)
197 strcat(command, "-F 16 ");
198 else if (strcmp(items[i].name, "FAT12") == 0)
199 strcat(command, "-F 12 ");
203 dialog_msgbox("Error", "No configurable options exist "
204 "for this filesystem.", 0, 0, TRUE);
210 choose_part_type(const char *def_scheme)
213 const char *scheme = NULL;
215 DIALOG_LISTITEM items[] = {
216 {"APM", "Apple Partition Map",
217 "Bootable on PowerPC Apple Hardware", 0 },
218 {"BSD", "BSD Labels",
219 "Bootable on most x86 systems", 0 },
220 {"GPT", "GUID Partition Table",
221 "Bootable on most x86 systems and EFI aware ARM64", 0 },
222 {"MBR", "DOS Partitions",
223 "Bootable on most x86 systems", 0 },
224 {"VTOC8", "Sun VTOC8 Partition Table",
225 "Bootable on Sun SPARC systems", 0 },
229 dialog_vars.default_item = __DECONST(char *, def_scheme);
230 cancel = dlg_menu("Partition Scheme",
231 "Select a partition scheme for this volume:", 0, 0, 0,
232 nitems(items), items, &choice, NULL);
233 dialog_vars.default_item = NULL;
238 if (!is_scheme_bootable(items[choice].name)) {
240 sprintf(message, "This partition scheme (%s) is not "
241 "bootable on this platform. Are you sure you want "
242 "to proceed?", items[choice].name);
243 dialog_vars.defaultno = TRUE;
244 cancel = dialog_yesno("Warning", message, 0, 0);
245 dialog_vars.defaultno = FALSE;
246 if (cancel) /* cancel */
250 scheme = items[choice].name;
256 gpart_partition(const char *lg_name, const char *scheme)
263 if (scheme == NULL) {
264 scheme = choose_part_type(default_scheme());
269 if (!is_scheme_bootable(scheme)) {
271 sprintf(message, "This partition scheme (%s) is not "
272 "bootable on this platform. Are you sure you want "
273 "to proceed?", scheme);
274 dialog_vars.defaultno = TRUE;
275 cancel = dialog_yesno("Warning", message, 0, 0);
276 dialog_vars.defaultno = FALSE;
277 if (cancel) { /* cancel */
278 /* Reset scheme so user can choose another */
285 r = gctl_get_handle();
286 gctl_ro_param(r, "class", -1, "PART");
287 gctl_ro_param(r, "arg0", -1, lg_name);
288 gctl_ro_param(r, "flags", -1, GPART_FLAGS);
289 gctl_ro_param(r, "scheme", -1, scheme);
290 gctl_ro_param(r, "verb", -1, "create");
292 errstr = gctl_issue(r);
293 if (errstr != NULL && errstr[0] != '\0') {
294 gpart_show_error("Error", NULL, errstr);
301 if (bootcode_path(scheme) != NULL)
302 get_part_metadata(lg_name, 1)->bootcode = 1;
307 gpart_activate(struct gprovider *pp)
311 const char *errstr, *scheme;
312 const char *attribute = NULL;
316 * Some partition schemes need this partition to be marked 'active'
317 * for it to be bootable.
319 LIST_FOREACH(gc, &pp->lg_geom->lg_config, lg_config) {
320 if (strcmp(gc->lg_name, "scheme") == 0) {
326 if (strcmp(scheme, "MBR") == 0 || strcmp(scheme, "EBR") == 0)
327 attribute = "active";
331 LIST_FOREACH(gc, &pp->lg_config, lg_config) {
332 if (strcmp(gc->lg_name, "index") == 0) {
333 idx = atoi(gc->lg_val);
338 r = gctl_get_handle();
339 gctl_ro_param(r, "class", -1, "PART");
340 gctl_ro_param(r, "arg0", -1, pp->lg_geom->lg_name);
341 gctl_ro_param(r, "verb", -1, "set");
342 gctl_ro_param(r, "attrib", -1, attribute);
343 gctl_ro_param(r, "index", sizeof(idx), &idx);
345 errstr = gctl_issue(r);
346 if (errstr != NULL && errstr[0] != '\0')
347 gpart_show_error("Error", "Error marking partition active:",
353 gpart_set_root(const char *lg_name, const char *attribute)
358 r = gctl_get_handle();
359 gctl_ro_param(r, "class", -1, "PART");
360 gctl_ro_param(r, "arg0", -1, lg_name);
361 gctl_ro_param(r, "flags", -1, "C");
362 gctl_ro_param(r, "verb", -1, "set");
363 gctl_ro_param(r, "attrib", -1, attribute);
365 errstr = gctl_issue(r);
366 if (errstr != NULL && errstr[0] != '\0')
367 gpart_show_error("Error", "Error setting parameter on disk:",
373 gpart_bootcode(struct ggeom *gp)
375 const char *bootcode;
378 const char *errstr, *scheme;
380 size_t bootsize, bytes;
384 * Write default bootcode to the newly partitioned disk, if that
385 * applies on this platform.
387 LIST_FOREACH(gc, &gp->lg_config, lg_config) {
388 if (strcmp(gc->lg_name, "scheme") == 0) {
394 bootcode = bootcode_path(scheme);
395 if (bootcode == NULL)
398 bootfd = open(bootcode, O_RDONLY);
400 dialog_msgbox("Bootcode Error", strerror(errno), 0, 0,
405 bootsize = lseek(bootfd, 0, SEEK_END);
406 boot = malloc(bootsize);
407 lseek(bootfd, 0, SEEK_SET);
409 while (bytes < bootsize)
410 bytes += read(bootfd, boot + bytes, bootsize - bytes);
413 r = gctl_get_handle();
414 gctl_ro_param(r, "class", -1, "PART");
415 gctl_ro_param(r, "arg0", -1, gp->lg_name);
416 gctl_ro_param(r, "verb", -1, "bootcode");
417 gctl_ro_param(r, "bootcode", bootsize, boot);
419 errstr = gctl_issue(r);
420 if (errstr != NULL && errstr[0] != '\0')
421 gpart_show_error("Bootcode Error", NULL, errstr);
427 gpart_partcode(struct gprovider *pp, const char *fstype)
431 const char *indexstr;
432 char message[255], command[255];
434 LIST_FOREACH(gc, &pp->lg_geom->lg_config, lg_config) {
435 if (strcmp(gc->lg_name, "scheme") == 0) {
441 /* Make sure this partition scheme needs partcode on this platform */
442 if (partcode_path(scheme, fstype) == NULL)
445 LIST_FOREACH(gc, &pp->lg_config, lg_config) {
446 if (strcmp(gc->lg_name, "index") == 0) {
447 indexstr = gc->lg_val;
452 /* Shell out to gpart for partcode for now */
453 sprintf(command, "gpart bootcode -p %s -i %s %s",
454 partcode_path(scheme, fstype), indexstr, pp->lg_geom->lg_name);
455 if (system(command) != 0) {
456 sprintf(message, "Error installing partcode on partition %s",
458 dialog_msgbox("Error", message, 0, 0, TRUE);
463 gpart_destroy(struct ggeom *lg_geom)
466 struct gprovider *pp;
470 /* Delete all child metadata */
471 LIST_FOREACH(pp, &lg_geom->lg_provider, lg_provider)
474 /* Revert any local changes to get this geom into a pristine state */
475 r = gctl_get_handle();
476 gctl_ro_param(r, "class", -1, "PART");
477 gctl_ro_param(r, "arg0", -1, lg_geom->lg_name);
478 gctl_ro_param(r, "verb", -1, "undo");
479 gctl_issue(r); /* Ignore errors -- these are non-fatal */
482 /* Now destroy the geom itself */
483 r = gctl_get_handle();
484 gctl_ro_param(r, "class", -1, "PART");
485 gctl_ro_param(r, "arg0", -1, lg_geom->lg_name);
486 gctl_ro_param(r, "flags", -1, GPART_FLAGS);
487 gctl_ro_param(r, "force", sizeof(force), &force);
488 gctl_ro_param(r, "verb", -1, "destroy");
489 errstr = gctl_issue(r);
490 if (errstr != NULL && errstr[0] != '\0') {
492 * Check if we reverted away the existence of the geom
493 * altogether. Show all other errors to the user.
495 if (strtol(errstr, NULL, 0) != EINVAL)
496 gpart_show_error("Error", NULL, errstr);
500 /* And any metadata associated with the partition scheme itself */
501 delete_part_metadata(lg_geom->lg_name);
505 gpart_edit(struct gprovider *pp)
509 struct gconsumer *cp;
511 const char *errstr, *oldtype, *scheme;
512 struct partition_metadata *md;
516 int hadlabel, choice, junk, nitems;
519 DIALOG_FORMITEM items[] = {
520 {0, "Type:", 5, 0, 0, FALSE, "", 11, 0, 12, 15, 0,
521 FALSE, "Filesystem type (e.g. freebsd-ufs, freebsd-zfs, "
522 "freebsd-swap)", FALSE},
523 {0, "Size:", 5, 1, 0, FALSE, "", 11, 1, 12, 0, 0,
524 FALSE, "Partition size. Append K, M, G for kilobytes, "
525 "megabytes or gigabytes.", FALSE},
526 {0, "Mountpoint:", 11, 2, 0, FALSE, "", 11, 2, 12, 15, 0,
527 FALSE, "Path at which to mount this partition (leave blank "
528 "for swap, set to / for root filesystem)", FALSE},
529 {0, "Label:", 7, 3, 0, FALSE, "", 11, 3, 12, 15, 0, FALSE,
530 "Partition name. Not all partition schemes support this.",
535 * Find the PART geom we are manipulating. This may be a consumer of
536 * this provider, or its parent. Check the consumer case first.
539 LIST_FOREACH(cp, &pp->lg_consumers, lg_consumers)
540 if (strcmp(cp->lg_geom->lg_class->lg_name, "PART") == 0) {
541 /* Check for zombie geoms, treating them as blank */
543 LIST_FOREACH(gc, &cp->lg_geom->lg_config, lg_config) {
544 if (strcmp(gc->lg_name, "scheme") == 0) {
549 if (scheme == NULL || strcmp(scheme, "(none)") == 0) {
550 gpart_partition(cp->lg_geom->lg_name, NULL);
554 /* If this is a nested partition, edit as usual */
555 if (strcmp(pp->lg_geom->lg_class->lg_name, "PART") == 0)
558 /* Destroy the geom and all sub-partitions */
559 gpart_destroy(cp->lg_geom);
561 /* Now re-partition and return */
562 gpart_partition(cp->lg_geom->lg_name, NULL);
566 if (geom == NULL && strcmp(pp->lg_geom->lg_class->lg_name, "PART") == 0)
570 /* Disk not partitioned, so partition it */
571 gpart_partition(pp->lg_name, NULL);
575 LIST_FOREACH(gc, &geom->lg_config, lg_config) {
576 if (strcmp(gc->lg_name, "scheme") == 0) {
582 nitems = scheme_supports_labels(scheme) ? 4 : 3;
584 /* Edit editable parameters of a partition */
586 LIST_FOREACH(gc, &pp->lg_config, lg_config) {
587 if (strcmp(gc->lg_name, "type") == 0) {
588 oldtype = gc->lg_val;
589 items[0].text = gc->lg_val;
591 if (strcmp(gc->lg_name, "label") == 0 && gc->lg_val != NULL) {
593 items[3].text = gc->lg_val;
595 if (strcmp(gc->lg_name, "index") == 0)
596 idx = atoi(gc->lg_val);
599 TAILQ_FOREACH(md, &part_metadata, metadata) {
600 if (md->name != NULL && strcmp(md->name, pp->lg_name) == 0) {
601 if (md->fstab != NULL)
602 items[2].text = md->fstab->fs_file;
607 humanize_number(sizestr, 7, pp->lg_mediasize, "B", HN_AUTOSCALE,
608 HN_NOSPACE | HN_DECIMAL);
609 items[1].text = sizestr;
612 choice = dlg_form("Edit Partition", "", 0, 0, 0, nitems, items, &junk);
614 if (choice) /* Cancel pressed */
617 /* If this is the root partition, check that this fs is bootable */
618 if (strcmp(items[2].text, "/") == 0 && !is_fs_bootable(scheme,
621 sprintf(message, "This file system (%s) is not bootable "
622 "on this system. Are you sure you want to proceed?",
624 dialog_vars.defaultno = TRUE;
625 choice = dialog_yesno("Warning", message, 0, 0);
626 dialog_vars.defaultno = FALSE;
627 if (choice == 1) /* cancel */
631 /* Check if the label has a / in it */
632 if (strchr(items[3].text, '/') != NULL) {
633 dialog_msgbox("Error", "Label contains a /, which is not an "
634 "allowed character.", 0, 0, TRUE);
638 r = gctl_get_handle();
639 gctl_ro_param(r, "class", -1, "PART");
640 gctl_ro_param(r, "arg0", -1, geom->lg_name);
641 gctl_ro_param(r, "flags", -1, GPART_FLAGS);
642 gctl_ro_param(r, "verb", -1, "modify");
643 gctl_ro_param(r, "index", sizeof(idx), &idx);
644 if (hadlabel || items[3].text[0] != '\0')
645 gctl_ro_param(r, "label", -1, items[3].text);
646 gctl_ro_param(r, "type", -1, items[0].text);
647 errstr = gctl_issue(r);
648 if (errstr != NULL && errstr[0] != '\0') {
649 gpart_show_error("Error", NULL, errstr);
655 newfs_command(items[0].text, newfs, 1);
656 set_default_part_metadata(pp->lg_name, scheme, items[0].text,
657 items[2].text, (strcmp(oldtype, items[0].text) != 0) ?
661 if (strcmp(oldtype, items[0].text) != 0 && cp != NULL)
662 gpart_destroy(cp->lg_geom);
663 if (strcmp(oldtype, items[0].text) != 0 && strcmp(items[0].text,
665 gpart_partition(pp->lg_name, "BSD");
667 for (i = 0; i < nitems(items); i++)
668 if (items[i].text_free)
673 set_default_part_metadata(const char *name, const char *scheme,
674 const char *type, const char *mountpoint, const char *newfs)
676 struct partition_metadata *md;
677 char *zpool_name = NULL;
680 /* Set part metadata */
681 md = get_part_metadata(name, 1);
684 if (md->newfs != NULL) {
689 if (newfs != NULL && newfs[0] != '\0') {
690 md->newfs = malloc(strlen(newfs) + strlen(" /dev/") +
691 strlen(mountpoint) + 5 + strlen(name) + 1);
692 if (strcmp("freebsd-zfs", type) == 0) {
693 zpool_name = strdup((strlen(mountpoint) == 1) ?
694 "root" : &mountpoint[1]);
695 for (i = 0; zpool_name[i] != 0; i++)
696 if (!isalnum(zpool_name[i]))
698 sprintf(md->newfs, "%s %s /dev/%s", newfs,
701 sprintf(md->newfs, "%s /dev/%s", newfs, name);
706 if (strcmp(type, "freebsd-swap") == 0)
708 if (strcmp(type, bootpart_type(scheme)) == 0)
711 /* VTOC8 needs partcode at the start of partitions */
712 if (strcmp(scheme, "VTOC8") == 0 && (strcmp(type, "freebsd-ufs") == 0
713 || strcmp(type, "freebsd-zfs") == 0))
716 if (mountpoint == NULL || mountpoint[0] == '\0') {
717 if (md->fstab != NULL) {
718 free(md->fstab->fs_spec);
719 free(md->fstab->fs_file);
720 free(md->fstab->fs_vfstype);
721 free(md->fstab->fs_mntops);
722 free(md->fstab->fs_type);
727 if (md->fstab == NULL) {
728 md->fstab = malloc(sizeof(struct fstab));
730 free(md->fstab->fs_spec);
731 free(md->fstab->fs_file);
732 free(md->fstab->fs_vfstype);
733 free(md->fstab->fs_mntops);
734 free(md->fstab->fs_type);
736 if (strcmp("freebsd-zfs", type) == 0) {
737 md->fstab->fs_spec = strdup(zpool_name);
739 md->fstab->fs_spec = malloc(strlen(name) +
740 strlen("/dev/") + 1);
741 sprintf(md->fstab->fs_spec, "/dev/%s", name);
743 md->fstab->fs_file = strdup(mountpoint);
744 /* Get VFS from text after freebsd-, if possible */
745 if (strncmp("freebsd-", type, 8) == 0)
746 md->fstab->fs_vfstype = strdup(&type[8]);
747 else if (strcmp("fat32", type) == 0 || strcmp("efi", type) == 0)
748 md->fstab->fs_vfstype = strdup("msdosfs");
750 md->fstab->fs_vfstype = strdup(type); /* Guess */
751 if (strcmp(type, "freebsd-swap") == 0) {
752 md->fstab->fs_type = strdup(FSTAB_SW);
753 md->fstab->fs_freq = 0;
754 md->fstab->fs_passno = 0;
755 } else if (strcmp(type, "freebsd-zfs") == 0) {
756 md->fstab->fs_type = strdup(FSTAB_RW);
757 md->fstab->fs_freq = 0;
758 md->fstab->fs_passno = 0;
760 md->fstab->fs_type = strdup(FSTAB_RW);
761 if (strcmp(mountpoint, "/") == 0) {
762 md->fstab->fs_freq = 1;
763 md->fstab->fs_passno = 1;
765 md->fstab->fs_freq = 2;
766 md->fstab->fs_passno = 2;
769 md->fstab->fs_mntops = strdup(md->fstab->fs_type);
772 if (zpool_name != NULL)
777 int part_compare(const void *xa, const void *xb)
779 struct gprovider **a = (struct gprovider **)xa;
780 struct gprovider **b = (struct gprovider **)xb;
781 intmax_t astart, bstart;
785 LIST_FOREACH(gc, &(*a)->lg_config, lg_config)
786 if (strcmp(gc->lg_name, "start") == 0) {
787 astart = strtoimax(gc->lg_val, NULL, 0);
790 LIST_FOREACH(gc, &(*b)->lg_config, lg_config)
791 if (strcmp(gc->lg_name, "start") == 0) {
792 bstart = strtoimax(gc->lg_val, NULL, 0);
798 else if (astart > bstart)
805 gpart_max_free(struct ggeom *geom, intmax_t *npartstart)
808 struct gprovider *pp, **providers;
809 intmax_t sectorsize, stripesize, offset;
812 intmax_t maxsize, maxstart;
813 intmax_t partstart, partend;
816 /* Now get the maximum free size and free start */
818 LIST_FOREACH(gc, &geom->lg_config, lg_config) {
819 if (strcmp(gc->lg_name, "first") == 0)
820 start = strtoimax(gc->lg_val, NULL, 0);
821 if (strcmp(gc->lg_name, "last") == 0)
822 end = strtoimax(gc->lg_val, NULL, 0);
826 LIST_FOREACH(pp, &geom->lg_provider, lg_provider)
828 providers = calloc(nparts, sizeof(providers[0]));
829 LIST_FOREACH(pp, &geom->lg_provider, lg_provider)
831 qsort(providers, nparts, sizeof(providers[0]), part_compare);
835 for (i = 0; i < nparts; i++) {
838 LIST_FOREACH(gc, &pp->lg_config, lg_config) {
839 if (strcmp(gc->lg_name, "start") == 0)
840 partstart = strtoimax(gc->lg_val, NULL, 0);
841 if (strcmp(gc->lg_name, "end") == 0)
842 partend = strtoimax(gc->lg_val, NULL, 0);
845 if (partstart - lastend > maxsize) {
846 maxsize = partstart - lastend - 1;
847 maxstart = lastend + 1;
853 if (end - lastend > maxsize) {
854 maxsize = end - lastend - 1;
855 maxstart = lastend + 1;
858 pp = LIST_FIRST(&geom->lg_consumer)->lg_provider;
861 * Round the start and size of the largest available space up to
862 * the nearest multiple of the adjusted stripe size.
864 * The adjusted stripe size is the least common multiple of the
865 * actual stripe size, or the sector size if no stripe size was
866 * reported, and 4096. The reason for this is that contemporary
867 * disks often have 4096-byte physical sectors but report 512
868 * bytes instead for compatibility with older / broken operating
869 * systems and BIOSes. For the same reasons, virtualized storage
870 * may also report a 512-byte stripe size, or none at all.
872 sectorsize = pp->lg_sectorsize;
873 if ((stripesize = pp->lg_stripesize) == 0)
874 stripesize = sectorsize;
875 while (stripesize % 4096 != 0)
877 if ((offset = maxstart * sectorsize % stripesize) != 0) {
878 offset = (stripesize - offset) / sectorsize;
883 if (npartstart != NULL)
884 *npartstart = maxstart;
890 gpart_create(struct gprovider *pp, char *default_type, char *default_size,
891 char *default_mountpoint, char **partname, int interactive)
895 struct gconsumer *cp;
897 const char *errstr, *scheme;
898 char sizestr[32], startstr[32], output[64], *newpartname;
899 char newfs[255], options_fstype[64];
900 intmax_t maxsize, size, sector, firstfree, stripe;
902 int nitems, choice, junk;
905 DIALOG_FORMITEM items[] = {
906 {0, "Type:", 5, 0, 0, FALSE, "freebsd-ufs", 11, 0, 12, 15, 0,
907 FALSE, "Filesystem type (e.g. freebsd-ufs, freebsd-zfs, "
908 "freebsd-swap)", FALSE},
909 {0, "Size:", 5, 1, 0, FALSE, "", 11, 1, 12, 15, 0,
910 FALSE, "Partition size. Append K, M, G for kilobytes, "
911 "megabytes or gigabytes.", FALSE},
912 {0, "Mountpoint:", 11, 2, 0, FALSE, "", 11, 2, 12, 15, 0,
913 FALSE, "Path at which to mount partition (blank for "
914 "swap, / for root filesystem)", FALSE},
915 {0, "Label:", 7, 3, 0, FALSE, "", 11, 3, 12, 15, 0, FALSE,
916 "Partition name. Not all partition schemes support this.",
920 if (partname != NULL)
923 /* Record sector and stripe sizes */
924 sector = pp->lg_sectorsize;
925 stripe = pp->lg_stripesize;
928 * Find the PART geom we are manipulating. This may be a consumer of
929 * this provider, or its parent. Check the consumer case first.
932 LIST_FOREACH(cp, &pp->lg_consumers, lg_consumers)
933 if (strcmp(cp->lg_geom->lg_class->lg_name, "PART") == 0) {
938 if (geom == NULL && strcmp(pp->lg_geom->lg_class->lg_name, "PART") == 0)
941 /* Now get the partition scheme */
944 LIST_FOREACH(gc, &geom->lg_config, lg_config)
945 if (strcmp(gc->lg_name, "scheme") == 0)
949 if (geom == NULL || scheme == NULL || strcmp(scheme, "(none)") == 0) {
950 if (gpart_partition(pp->lg_name, NULL) == 0)
952 "The partition table has been successfully created."
953 " Please press Create again to create partitions.",
960 * If we still don't have a geom, either the user has
961 * canceled partitioning or there has been an error which has already
962 * been displayed, so bail.
967 maxsize = size = gpart_max_free(geom, &firstfree);
969 dialog_msgbox("Error", "No free space left on device.", 0, 0,
974 humanize_number(sizestr, 7, size*sector, "B", HN_AUTOSCALE,
975 HN_NOSPACE | HN_DECIMAL);
976 items[1].text = sizestr;
978 /* Special-case the MBR default type for nested partitions */
979 if (strcmp(scheme, "MBR") == 0) {
980 items[0].text = "freebsd";
981 items[0].help = "Filesystem type (e.g. freebsd, fat32)";
984 nitems = scheme_supports_labels(scheme) ? 4 : 3;
986 if (default_type != NULL)
987 items[0].text = default_type;
988 if (default_size != NULL)
989 items[1].text = default_size;
990 if (default_mountpoint != NULL)
991 items[2].text = default_mountpoint;
993 /* Default options */
994 strncpy(options_fstype, items[0].text,
995 sizeof(options_fstype));
996 newfs_command(options_fstype, newfs, 1);
999 dialog_vars.extra_label = "Options";
1000 dialog_vars.extra_button = TRUE;
1001 choice = dlg_form("Add Partition", "", 0, 0, 0, nitems,
1003 dialog_vars.extra_button = FALSE;
1007 case 1: /* Cancel */
1009 case 3: /* Options */
1010 strncpy(options_fstype, items[0].text,
1011 sizeof(options_fstype));
1012 newfs_command(options_fstype, newfs, 0);
1018 * If the user changed the fs type after specifying options, undo
1019 * their choices in favor of the new filesystem's defaults.
1021 if (strcmp(options_fstype, items[0].text) != 0) {
1022 strncpy(options_fstype, items[0].text, sizeof(options_fstype));
1023 newfs_command(options_fstype, newfs, 1);
1027 if (strlen(items[1].text) > 0) {
1028 if (expand_number(items[1].text, &bytes) != 0) {
1031 sprintf(error, "Invalid size: %s\n", strerror(errno));
1032 dialog_msgbox("Error", error, 0, 0, TRUE);
1035 size = MIN((intmax_t)(bytes/sector), maxsize);
1038 /* Check if the label has a / in it */
1039 if (strchr(items[3].text, '/') != NULL) {
1040 dialog_msgbox("Error", "Label contains a /, which is not an "
1041 "allowed character.", 0, 0, TRUE);
1045 /* Warn if no mountpoint set */
1046 if (strcmp(items[0].text, "freebsd-ufs") == 0 &&
1047 items[2].text[0] != '/') {
1050 dialog_vars.defaultno = TRUE;
1051 choice = dialog_yesno("Warning",
1052 "This partition does not have a valid mountpoint "
1053 "(for the partition from which you intend to boot the "
1054 "operating system, the mountpoint should be /). Are you "
1055 "sure you want to continue?"
1057 dialog_vars.defaultno = FALSE;
1059 if (choice == 1) /* cancel */
1064 * Error if this scheme needs nested partitions, this is one, and
1065 * a mountpoint was set.
1067 if (strcmp(items[0].text, "freebsd") == 0 &&
1068 strlen(items[2].text) > 0) {
1069 dialog_msgbox("Error", "Partitions of type \"freebsd\" are "
1070 "nested BSD-type partition schemes and cannot have "
1071 "mountpoints. After creating one, select it and press "
1072 "Create again to add the actual file systems.", 0, 0, TRUE);
1076 /* If this is the root partition, check that this scheme is bootable */
1077 if (strcmp(items[2].text, "/") == 0 && !is_scheme_bootable(scheme)) {
1079 sprintf(message, "This partition scheme (%s) is not bootable "
1080 "on this platform. Are you sure you want to proceed?",
1082 dialog_vars.defaultno = TRUE;
1083 choice = dialog_yesno("Warning", message, 0, 0);
1084 dialog_vars.defaultno = FALSE;
1085 if (choice == 1) /* cancel */
1089 /* If this is the root partition, check that this fs is bootable */
1090 if (strcmp(items[2].text, "/") == 0 && !is_fs_bootable(scheme,
1093 sprintf(message, "This file system (%s) is not bootable "
1094 "on this system. Are you sure you want to proceed?",
1096 dialog_vars.defaultno = TRUE;
1097 choice = dialog_yesno("Warning", message, 0, 0);
1098 dialog_vars.defaultno = FALSE;
1099 if (choice == 1) /* cancel */
1104 * If this is the root partition, and we need a boot partition, ask
1105 * the user to add one.
1108 /* Check for existing freebsd-boot partition */
1109 LIST_FOREACH(pp, &geom->lg_provider, lg_provider) {
1110 struct partition_metadata *md;
1111 md = get_part_metadata(pp->lg_name, 0);
1112 if (md == NULL || !md->bootcode)
1114 LIST_FOREACH(gc, &pp->lg_config, lg_config)
1115 if (strcmp(gc->lg_name, "type") == 0)
1117 if (gc != NULL && strcmp(gc->lg_val,
1118 bootpart_type(scheme)) == 0)
1122 /* If there isn't one, and we need one, ask */
1123 if ((strcmp(items[0].text, "freebsd") == 0 ||
1124 strcmp(items[2].text, "/") == 0) && bootpart_size(scheme) > 0 &&
1127 choice = dialog_yesno("Boot Partition",
1128 "This partition scheme requires a boot partition "
1129 "for the disk to be bootable. Would you like to "
1130 "make one now?", 0, 0);
1134 if (choice == 0) { /* yes */
1135 r = gctl_get_handle();
1136 gctl_ro_param(r, "class", -1, "PART");
1137 gctl_ro_param(r, "arg0", -1, geom->lg_name);
1138 gctl_ro_param(r, "flags", -1, GPART_FLAGS);
1139 gctl_ro_param(r, "verb", -1, "add");
1140 gctl_ro_param(r, "type", -1, bootpart_type(scheme));
1141 snprintf(sizestr, sizeof(sizestr), "%jd",
1142 bootpart_size(scheme) / sector);
1143 gctl_ro_param(r, "size", -1, sizestr);
1144 snprintf(startstr, sizeof(startstr), "%jd", firstfree);
1145 gctl_ro_param(r, "start", -1, startstr);
1146 gctl_rw_param(r, "output", sizeof(output), output);
1147 errstr = gctl_issue(r);
1148 if (errstr != NULL && errstr[0] != '\0')
1149 gpart_show_error("Error", NULL, errstr);
1152 get_part_metadata(strtok(output, " "), 1)->bootcode = 1;
1154 /* Now adjust the part we are really adding forward */
1155 firstfree += bootpart_size(scheme) / sector;
1156 size -= (bootpart_size(scheme) + stripe)/sector;
1157 if (stripe > 0 && (firstfree*sector % stripe) != 0)
1158 firstfree += (stripe - ((firstfree*sector) %
1163 r = gctl_get_handle();
1164 gctl_ro_param(r, "class", -1, "PART");
1165 gctl_ro_param(r, "arg0", -1, geom->lg_name);
1166 gctl_ro_param(r, "flags", -1, GPART_FLAGS);
1167 gctl_ro_param(r, "verb", -1, "add");
1169 gctl_ro_param(r, "type", -1, items[0].text);
1170 snprintf(sizestr, sizeof(sizestr), "%jd", size);
1171 gctl_ro_param(r, "size", -1, sizestr);
1172 snprintf(startstr, sizeof(startstr), "%jd", firstfree);
1173 gctl_ro_param(r, "start", -1, startstr);
1174 if (items[3].text[0] != '\0')
1175 gctl_ro_param(r, "label", -1, items[3].text);
1176 gctl_rw_param(r, "output", sizeof(output), output);
1177 errstr = gctl_issue(r);
1178 if (errstr != NULL && errstr[0] != '\0') {
1179 gpart_show_error("Error", NULL, errstr);
1183 newpartname = strtok(output, " ");
1187 * Try to destroy any geom that gpart picked up already here from
1190 r = gctl_get_handle();
1191 gctl_ro_param(r, "class", -1, "PART");
1192 gctl_ro_param(r, "arg0", -1, newpartname);
1193 gctl_ro_param(r, "flags", -1, GPART_FLAGS);
1195 gctl_ro_param(r, "force", sizeof(junk), &junk);
1196 gctl_ro_param(r, "verb", -1, "destroy");
1197 gctl_issue(r); /* Error usually expected and non-fatal */
1200 if (strcmp(items[0].text, bootpart_type(scheme)) == 0)
1201 get_part_metadata(newpartname, 1)->bootcode = 1;
1202 else if (strcmp(items[0].text, "freebsd") == 0)
1203 gpart_partition(newpartname, "BSD");
1205 set_default_part_metadata(newpartname, scheme,
1206 items[0].text, items[2].text, newfs);
1208 for (i = 0; i < nitems(items); i++)
1209 if (items[i].text_free)
1210 free(items[i].text);
1212 if (partname != NULL)
1213 *partname = strdup(newpartname);
1217 gpart_delete(struct gprovider *pp)
1221 struct gconsumer *cp;
1227 /* Is it a partition? */
1228 is_partition = (strcmp(pp->lg_geom->lg_class->lg_name, "PART") == 0);
1230 /* Find out if this is the root of a gpart geom */
1232 LIST_FOREACH(cp, &pp->lg_consumers, lg_consumers)
1233 if (strcmp(cp->lg_geom->lg_class->lg_name, "PART") == 0) {
1238 /* If so, destroy all children */
1240 gpart_destroy(geom);
1242 /* If this is a partition, revert it, so it can be deleted */
1244 r = gctl_get_handle();
1245 gctl_ro_param(r, "class", -1, "PART");
1246 gctl_ro_param(r, "arg0", -1, geom->lg_name);
1247 gctl_ro_param(r, "verb", -1, "undo");
1248 gctl_issue(r); /* Ignore non-fatal errors */
1254 * If this is not a partition, see if that is a problem, complain if
1255 * necessary, and return always, since we need not do anything further,
1258 if (!is_partition) {
1260 dialog_msgbox("Error",
1261 "Only partitions can be deleted.", 0, 0, TRUE);
1265 r = gctl_get_handle();
1266 gctl_ro_param(r, "class", -1, pp->lg_geom->lg_class->lg_name);
1267 gctl_ro_param(r, "arg0", -1, pp->lg_geom->lg_name);
1268 gctl_ro_param(r, "flags", -1, GPART_FLAGS);
1269 gctl_ro_param(r, "verb", -1, "delete");
1271 LIST_FOREACH(gc, &pp->lg_config, lg_config) {
1272 if (strcmp(gc->lg_name, "index") == 0) {
1273 idx = atoi(gc->lg_val);
1274 gctl_ro_param(r, "index", sizeof(idx), &idx);
1279 errstr = gctl_issue(r);
1280 if (errstr != NULL && errstr[0] != '\0') {
1281 gpart_show_error("Error", NULL, errstr);
1288 delete_part_metadata(pp->lg_name);
1292 gpart_revert_all(struct gmesh *mesh)
1294 struct gclass *classp;
1298 const char *modified;
1300 LIST_FOREACH(classp, &mesh->lg_class, lg_class) {
1301 if (strcmp(classp->lg_name, "PART") == 0)
1305 if (strcmp(classp->lg_name, "PART") != 0) {
1306 dialog_msgbox("Error", "gpart not found!", 0, 0, TRUE);
1310 LIST_FOREACH(gp, &classp->lg_geom, lg_geom) {
1311 modified = "true"; /* XXX: If we don't know (kernel too old),
1312 * assume there are modifications. */
1313 LIST_FOREACH(gc, &gp->lg_config, lg_config) {
1314 if (strcmp(gc->lg_name, "modified") == 0) {
1315 modified = gc->lg_val;
1320 if (strcmp(modified, "false") == 0)
1323 r = gctl_get_handle();
1324 gctl_ro_param(r, "class", -1, "PART");
1325 gctl_ro_param(r, "arg0", -1, gp->lg_name);
1326 gctl_ro_param(r, "verb", -1, "undo");
1334 gpart_commit(struct gmesh *mesh)
1336 struct partition_metadata *md;
1337 struct gclass *classp;
1340 struct gconsumer *cp;
1341 struct gprovider *pp;
1344 const char *modified;
1347 LIST_FOREACH(classp, &mesh->lg_class, lg_class) {
1348 if (strcmp(classp->lg_name, "PART") == 0)
1352 /* Figure out what filesystem / uses */
1353 rootfs = "ufs"; /* Assume ufs if nothing else present */
1354 TAILQ_FOREACH(md, &part_metadata, metadata) {
1355 if (md->fstab != NULL && strcmp(md->fstab->fs_file, "/") == 0) {
1356 rootfs = md->fstab->fs_vfstype;
1361 if (strcmp(classp->lg_name, "PART") != 0) {
1362 dialog_msgbox("Error", "gpart not found!", 0, 0, TRUE);
1366 LIST_FOREACH(gp, &classp->lg_geom, lg_geom) {
1367 modified = "true"; /* XXX: If we don't know (kernel too old),
1368 * assume there are modifications. */
1369 LIST_FOREACH(gc, &gp->lg_config, lg_config) {
1370 if (strcmp(gc->lg_name, "modified") == 0) {
1371 modified = gc->lg_val;
1376 if (strcmp(modified, "false") == 0)
1379 /* Add bootcode if necessary, before the commit */
1380 md = get_part_metadata(gp->lg_name, 0);
1381 if (md != NULL && md->bootcode)
1384 /* Now install partcode on its partitions, if necessary */
1385 LIST_FOREACH(pp, &gp->lg_provider, lg_provider) {
1386 md = get_part_metadata(pp->lg_name, 0);
1387 if (md == NULL || !md->bootcode)
1390 /* Mark this partition active if that's required */
1393 /* Check if the partition has sub-partitions */
1394 LIST_FOREACH(cp, &pp->lg_consumers, lg_consumers)
1395 if (strcmp(cp->lg_geom->lg_class->lg_name,
1399 if (cp == NULL) /* No sub-partitions */
1400 gpart_partcode(pp, rootfs);
1403 r = gctl_get_handle();
1404 gctl_ro_param(r, "class", -1, "PART");
1405 gctl_ro_param(r, "arg0", -1, gp->lg_name);
1406 gctl_ro_param(r, "verb", -1, "commit");
1408 errstr = gctl_issue(r);
1409 if (errstr != NULL && errstr[0] != '\0')
1410 gpart_show_error("Error", NULL, errstr);