2 * Copyright (c) 2004-2005 Pawel Jakub Dawidek <pjd@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS 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 AUTHORS 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
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <sys/param.h>
31 #include <sys/systm.h>
32 #include <sys/kernel.h>
33 #include <sys/module.h>
35 #include <sys/mutex.h>
38 #include <sys/sysctl.h>
39 #include <sys/malloc.h>
40 #include <geom/geom.h>
41 #include <geom/concat/g_concat.h>
43 FEATURE(geom_concat, "GEOM concatenation support");
45 static MALLOC_DEFINE(M_CONCAT, "concat_data", "GEOM_CONCAT Data");
47 SYSCTL_DECL(_kern_geom);
48 static SYSCTL_NODE(_kern_geom, OID_AUTO, concat, CTLFLAG_RW, 0,
50 static u_int g_concat_debug = 0;
51 TUNABLE_INT("kern.geom.concat.debug", &g_concat_debug);
52 SYSCTL_UINT(_kern_geom_concat, OID_AUTO, debug, CTLFLAG_RW, &g_concat_debug, 0,
55 static int g_concat_destroy(struct g_concat_softc *sc, boolean_t force);
56 static int g_concat_destroy_geom(struct gctl_req *req, struct g_class *mp,
59 static g_taste_t g_concat_taste;
60 static g_ctl_req_t g_concat_config;
61 static g_dumpconf_t g_concat_dumpconf;
63 struct g_class g_concat_class = {
64 .name = G_CONCAT_CLASS_NAME,
66 .ctlreq = g_concat_config,
67 .taste = g_concat_taste,
68 .destroy_geom = g_concat_destroy_geom
73 * Greatest Common Divisor.
89 * Least Common Multiple.
95 return ((a * b) / gcd(a, b));
99 * Return the number of valid disks.
102 g_concat_nvalid(struct g_concat_softc *sc)
107 for (i = 0; i < sc->sc_ndisks; i++) {
108 if (sc->sc_disks[i].d_consumer != NULL)
116 g_concat_remove_disk(struct g_concat_disk *disk)
118 struct g_consumer *cp;
119 struct g_concat_softc *sc;
121 KASSERT(disk->d_consumer != NULL, ("Non-valid disk in %s.", __func__));
123 cp = disk->d_consumer;
125 G_CONCAT_DEBUG(0, "Disk %s removed from %s.", cp->provider->name,
128 disk->d_consumer = NULL;
129 if (sc->sc_provider != NULL) {
130 sc->sc_provider->flags |= G_PF_WITHER;
131 g_orphan_provider(sc->sc_provider, ENXIO);
132 sc->sc_provider = NULL;
133 G_CONCAT_DEBUG(0, "Device %s removed.", sc->sc_name);
136 if (cp->acr > 0 || cp->acw > 0 || cp->ace > 0)
137 g_access(cp, -cp->acr, -cp->acw, -cp->ace);
139 g_destroy_consumer(cp);
143 g_concat_orphan(struct g_consumer *cp)
145 struct g_concat_softc *sc;
146 struct g_concat_disk *disk;
156 if (disk == NULL) /* Possible? */
158 g_concat_remove_disk(disk);
160 /* If there are no valid disks anymore, remove device. */
161 if (g_concat_nvalid(sc) == 0)
162 g_concat_destroy(sc, 1);
166 g_concat_access(struct g_provider *pp, int dr, int dw, int de)
168 struct g_consumer *cp1, *cp2;
169 struct g_concat_softc *sc;
178 * It looks like geom is being withered.
179 * In that case we allow only negative requests.
181 KASSERT(dr <= 0 && dw <= 0 && de <= 0,
182 ("Positive access request (device=%s).", pp->name));
183 if ((pp->acr + dr) == 0 && (pp->acw + dw) == 0 &&
184 (pp->ace + de) == 0) {
185 G_CONCAT_DEBUG(0, "Device %s definitely destroyed.",
191 /* On first open, grab an extra "exclusive" bit */
192 if (pp->acr == 0 && pp->acw == 0 && pp->ace == 0)
194 /* ... and let go of it on last close */
195 if ((pp->acr + dr) == 0 && (pp->acw + dw) == 0 && (pp->ace + de) == 0)
199 LIST_FOREACH(cp1, &gp->consumer, consumer) {
200 error = g_access(cp1, dr, dw, de);
204 * If we fail here, backout all previous changes.
206 LIST_FOREACH(cp2, &gp->consumer, consumer) {
209 g_access(cp2, -dr, -dw, -de);
218 g_concat_kernel_dump(struct bio *bp)
220 struct g_concat_softc *sc;
221 struct g_concat_disk *disk;
223 struct g_kerneldump *gkd;
226 sc = bp->bio_to->geom->softc;
227 gkd = (struct g_kerneldump *)bp->bio_data;
228 for (i = 0; i < sc->sc_ndisks; i++) {
229 if (sc->sc_disks[i].d_start <= gkd->offset &&
230 sc->sc_disks[i].d_end > gkd->offset)
233 if (i == sc->sc_ndisks)
234 g_io_deliver(bp, EOPNOTSUPP);
235 disk = &sc->sc_disks[i];
236 gkd->offset -= disk->d_start;
237 if (gkd->length > disk->d_end - disk->d_start - gkd->offset)
238 gkd->length = disk->d_end - disk->d_start - gkd->offset;
239 cbp = g_clone_bio(bp);
241 g_io_deliver(bp, ENOMEM);
244 cbp->bio_done = g_std_done;
245 g_io_request(cbp, disk->d_consumer);
246 G_CONCAT_DEBUG(1, "Kernel dump will go to %s.",
247 disk->d_consumer->provider->name);
251 g_concat_flush(struct g_concat_softc *sc, struct bio *bp)
253 struct bio_queue_head queue;
254 struct g_consumer *cp;
259 for (no = 0; no < sc->sc_ndisks; no++) {
260 cbp = g_clone_bio(bp);
262 for (cbp = bioq_first(&queue); cbp != NULL;
263 cbp = bioq_first(&queue)) {
264 bioq_remove(&queue, cbp);
267 if (bp->bio_error == 0)
268 bp->bio_error = ENOMEM;
269 g_io_deliver(bp, bp->bio_error);
272 bioq_insert_tail(&queue, cbp);
273 cbp->bio_done = g_std_done;
274 cbp->bio_caller1 = sc->sc_disks[no].d_consumer;
275 cbp->bio_to = sc->sc_disks[no].d_consumer->provider;
277 for (cbp = bioq_first(&queue); cbp != NULL; cbp = bioq_first(&queue)) {
278 bioq_remove(&queue, cbp);
279 G_CONCAT_LOGREQ(cbp, "Sending request.");
280 cp = cbp->bio_caller1;
281 cbp->bio_caller1 = NULL;
282 g_io_request(cbp, cp);
287 g_concat_start(struct bio *bp)
289 struct bio_queue_head queue;
290 struct g_concat_softc *sc;
291 struct g_concat_disk *disk;
292 struct g_provider *pp;
293 off_t offset, end, length, off, len;
299 sc = pp->geom->softc;
301 * If sc == NULL, provider's error should be set and g_concat_start()
302 * should not be called at all.
305 ("Provider's error should be set (error=%d)(device=%s).",
306 bp->bio_to->error, bp->bio_to->name));
308 G_CONCAT_LOGREQ(bp, "Request received.");
310 switch (bp->bio_cmd) {
316 g_concat_flush(sc, bp);
319 if (strcmp("GEOM::kerneldump", bp->bio_attribute) == 0) {
320 g_concat_kernel_dump(bp);
323 /* To which provider it should be delivered? */
326 g_io_deliver(bp, EOPNOTSUPP);
330 offset = bp->bio_offset;
331 length = bp->bio_length;
333 end = offset + length;
336 for (no = 0; no < sc->sc_ndisks; no++) {
337 disk = &sc->sc_disks[no];
338 if (disk->d_end <= offset)
340 if (disk->d_start >= end)
343 off = offset - disk->d_start;
344 len = MIN(length, disk->d_end - offset);
348 cbp = g_clone_bio(bp);
350 for (cbp = bioq_first(&queue); cbp != NULL;
351 cbp = bioq_first(&queue)) {
352 bioq_remove(&queue, cbp);
355 if (bp->bio_error == 0)
356 bp->bio_error = ENOMEM;
357 g_io_deliver(bp, bp->bio_error);
360 bioq_insert_tail(&queue, cbp);
362 * Fill in the component buf structure.
364 cbp->bio_done = g_std_done;
365 cbp->bio_offset = off;
366 cbp->bio_data = addr;
368 cbp->bio_length = len;
369 cbp->bio_to = disk->d_consumer->provider;
370 cbp->bio_caller1 = disk;
376 ("Length is still greater than 0 (class=%s, name=%s).",
377 bp->bio_to->geom->class->name, bp->bio_to->geom->name));
378 for (cbp = bioq_first(&queue); cbp != NULL; cbp = bioq_first(&queue)) {
379 bioq_remove(&queue, cbp);
380 G_CONCAT_LOGREQ(cbp, "Sending request.");
381 disk = cbp->bio_caller1;
382 cbp->bio_caller1 = NULL;
383 g_io_request(cbp, disk->d_consumer);
388 g_concat_check_and_run(struct g_concat_softc *sc)
390 struct g_concat_disk *disk;
391 struct g_provider *pp;
392 u_int no, sectorsize = 0;
395 if (g_concat_nvalid(sc) != sc->sc_ndisks)
398 pp = g_new_providerf(sc->sc_geom, "concat/%s", sc->sc_name);
400 for (no = 0; no < sc->sc_ndisks; no++) {
401 disk = &sc->sc_disks[no];
402 disk->d_start = start;
403 disk->d_end = disk->d_start +
404 disk->d_consumer->provider->mediasize;
405 if (sc->sc_type == G_CONCAT_TYPE_AUTOMATIC)
406 disk->d_end -= disk->d_consumer->provider->sectorsize;
409 sectorsize = disk->d_consumer->provider->sectorsize;
411 sectorsize = lcm(sectorsize,
412 disk->d_consumer->provider->sectorsize);
415 pp->sectorsize = sectorsize;
416 /* We have sc->sc_disks[sc->sc_ndisks - 1].d_end in 'start'. */
417 pp->mediasize = start;
418 pp->stripesize = sc->sc_disks[0].d_consumer->provider->stripesize;
419 pp->stripeoffset = sc->sc_disks[0].d_consumer->provider->stripeoffset;
420 sc->sc_provider = pp;
421 g_error_provider(pp, 0);
423 G_CONCAT_DEBUG(0, "Device %s activated.", sc->sc_name);
427 g_concat_read_metadata(struct g_consumer *cp, struct g_concat_metadata *md)
429 struct g_provider *pp;
435 error = g_access(cp, 1, 0, 0);
440 buf = g_read_data(cp, pp->mediasize - pp->sectorsize, pp->sectorsize,
443 g_access(cp, -1, 0, 0);
447 /* Decode metadata. */
448 concat_metadata_decode(buf, md);
455 * Add disk to given device.
458 g_concat_add_disk(struct g_concat_softc *sc, struct g_provider *pp, u_int no)
460 struct g_concat_disk *disk;
461 struct g_consumer *cp, *fcp;
465 /* Metadata corrupted? */
466 if (no >= sc->sc_ndisks)
469 disk = &sc->sc_disks[no];
470 /* Check if disk is not already attached. */
471 if (disk->d_consumer != NULL)
475 fcp = LIST_FIRST(&gp->consumer);
477 cp = g_new_consumer(gp);
478 error = g_attach(cp, pp);
480 g_destroy_consumer(cp);
484 if (fcp != NULL && (fcp->acr > 0 || fcp->acw > 0 || fcp->ace > 0)) {
485 error = g_access(cp, fcp->acr, fcp->acw, fcp->ace);
488 g_destroy_consumer(cp);
492 if (sc->sc_type == G_CONCAT_TYPE_AUTOMATIC) {
493 struct g_concat_metadata md;
495 /* Re-read metadata. */
496 error = g_concat_read_metadata(cp, &md);
500 if (strcmp(md.md_magic, G_CONCAT_MAGIC) != 0 ||
501 strcmp(md.md_name, sc->sc_name) != 0 ||
502 md.md_id != sc->sc_id) {
503 G_CONCAT_DEBUG(0, "Metadata on %s changed.", pp->name);
509 disk->d_consumer = cp;
511 disk->d_start = 0; /* not yet */
512 disk->d_end = 0; /* not yet */
514 G_CONCAT_DEBUG(0, "Disk %s attached to %s.", pp->name, sc->sc_name);
516 g_concat_check_and_run(sc);
520 if (fcp != NULL && (fcp->acr > 0 || fcp->acw > 0 || fcp->ace > 0))
521 g_access(cp, -fcp->acr, -fcp->acw, -fcp->ace);
523 g_destroy_consumer(cp);
527 static struct g_geom *
528 g_concat_create(struct g_class *mp, const struct g_concat_metadata *md,
531 struct g_concat_softc *sc;
535 G_CONCAT_DEBUG(1, "Creating device %s (id=%u).", md->md_name,
538 /* One disks is minimum. */
542 /* Check for duplicate unit */
543 LIST_FOREACH(gp, &mp->geom, geom) {
545 if (sc != NULL && strcmp(sc->sc_name, md->md_name) == 0) {
546 G_CONCAT_DEBUG(0, "Device %s already configured.",
551 gp = g_new_geomf(mp, "%s", md->md_name);
552 sc = malloc(sizeof(*sc), M_CONCAT, M_WAITOK | M_ZERO);
553 gp->start = g_concat_start;
554 gp->spoiled = g_concat_orphan;
555 gp->orphan = g_concat_orphan;
556 gp->access = g_concat_access;
557 gp->dumpconf = g_concat_dumpconf;
559 sc->sc_id = md->md_id;
560 sc->sc_ndisks = md->md_all;
561 sc->sc_disks = malloc(sizeof(struct g_concat_disk) * sc->sc_ndisks,
562 M_CONCAT, M_WAITOK | M_ZERO);
563 for (no = 0; no < sc->sc_ndisks; no++)
564 sc->sc_disks[no].d_consumer = NULL;
569 sc->sc_provider = NULL;
571 G_CONCAT_DEBUG(0, "Device %s created (id=%u).", sc->sc_name, sc->sc_id);
577 g_concat_destroy(struct g_concat_softc *sc, boolean_t force)
579 struct g_provider *pp;
588 pp = sc->sc_provider;
589 if (pp != NULL && (pp->acr != 0 || pp->acw != 0 || pp->ace != 0)) {
591 G_CONCAT_DEBUG(0, "Device %s is still open, so it "
592 "can't be definitely removed.", pp->name);
595 "Device %s is still open (r%dw%de%d).", pp->name,
596 pp->acr, pp->acw, pp->ace);
601 for (no = 0; no < sc->sc_ndisks; no++) {
602 if (sc->sc_disks[no].d_consumer != NULL)
603 g_concat_remove_disk(&sc->sc_disks[no]);
608 KASSERT(sc->sc_provider == NULL, ("Provider still exists? (device=%s)",
610 free(sc->sc_disks, M_CONCAT);
613 pp = LIST_FIRST(&gp->provider);
614 if (pp == NULL || (pp->acr == 0 && pp->acw == 0 && pp->ace == 0))
615 G_CONCAT_DEBUG(0, "Device %s destroyed.", gp->name);
617 g_wither_geom(gp, ENXIO);
623 g_concat_destroy_geom(struct gctl_req *req __unused,
624 struct g_class *mp __unused, struct g_geom *gp)
626 struct g_concat_softc *sc;
629 return (g_concat_destroy(sc, 0));
632 static struct g_geom *
633 g_concat_taste(struct g_class *mp, struct g_provider *pp, int flags __unused)
635 struct g_concat_metadata md;
636 struct g_concat_softc *sc;
637 struct g_consumer *cp;
641 g_trace(G_T_TOPOLOGY, "%s(%s, %s)", __func__, mp->name, pp->name);
644 /* Skip providers that are already open for writing. */
648 G_CONCAT_DEBUG(3, "Tasting %s.", pp->name);
650 gp = g_new_geomf(mp, "concat:taste");
651 gp->start = g_concat_start;
652 gp->access = g_concat_access;
653 gp->orphan = g_concat_orphan;
654 cp = g_new_consumer(gp);
656 error = g_concat_read_metadata(cp, &md);
658 g_destroy_consumer(cp);
664 if (strcmp(md.md_magic, G_CONCAT_MAGIC) != 0)
666 if (md.md_version > G_CONCAT_VERSION) {
667 printf("geom_concat.ko module is too old to handle %s.\n",
672 * Backward compatibility:
674 /* There was no md_provider field in earlier versions of metadata. */
675 if (md.md_version < 3)
676 bzero(md.md_provider, sizeof(md.md_provider));
677 /* There was no md_provsize field in earlier versions of metadata. */
678 if (md.md_version < 4)
679 md.md_provsize = pp->mediasize;
681 if (md.md_provider[0] != '\0' &&
682 !g_compare_names(md.md_provider, pp->name))
684 if (md.md_provsize != pp->mediasize)
688 * Let's check if device already exists.
691 LIST_FOREACH(gp, &mp->geom, geom) {
695 if (sc->sc_type != G_CONCAT_TYPE_AUTOMATIC)
697 if (strcmp(md.md_name, sc->sc_name) != 0)
699 if (md.md_id != sc->sc_id)
704 G_CONCAT_DEBUG(1, "Adding disk %s to %s.", pp->name, gp->name);
705 error = g_concat_add_disk(sc, pp, md.md_no);
708 "Cannot add disk %s to %s (error=%d).", pp->name,
713 gp = g_concat_create(mp, &md, G_CONCAT_TYPE_AUTOMATIC);
715 G_CONCAT_DEBUG(0, "Cannot create device %s.",
720 G_CONCAT_DEBUG(1, "Adding disk %s to %s.", pp->name, gp->name);
721 error = g_concat_add_disk(sc, pp, md.md_no);
724 "Cannot add disk %s to %s (error=%d).", pp->name,
726 g_concat_destroy(sc, 1);
735 g_concat_ctl_create(struct gctl_req *req, struct g_class *mp)
738 struct g_concat_metadata md;
739 struct g_provider *pp;
740 struct g_concat_softc *sc;
748 nargs = gctl_get_paraml(req, "nargs", sizeof(*nargs));
750 gctl_error(req, "No '%s' argument.", "nargs");
754 gctl_error(req, "Too few arguments.");
758 strlcpy(md.md_magic, G_CONCAT_MAGIC, sizeof(md.md_magic));
759 md.md_version = G_CONCAT_VERSION;
760 name = gctl_get_asciiparam(req, "arg0");
762 gctl_error(req, "No 'arg%u' argument.", 0);
765 strlcpy(md.md_name, name, sizeof(md.md_name));
766 md.md_id = arc4random();
768 md.md_all = *nargs - 1;
769 bzero(md.md_provider, sizeof(md.md_provider));
770 /* This field is not important here. */
773 /* Check all providers are valid */
774 for (no = 1; no < *nargs; no++) {
775 snprintf(param, sizeof(param), "arg%u", no);
776 name = gctl_get_asciiparam(req, param);
778 gctl_error(req, "No 'arg%u' argument.", no);
781 if (strncmp(name, "/dev/", strlen("/dev/")) == 0)
782 name += strlen("/dev/");
783 pp = g_provider_by_name(name);
785 G_CONCAT_DEBUG(1, "Disk %s is invalid.", name);
786 gctl_error(req, "Disk %s is invalid.", name);
791 gp = g_concat_create(mp, &md, G_CONCAT_TYPE_MANUAL);
793 gctl_error(req, "Can't configure %s.", md.md_name);
798 sb = sbuf_new_auto();
799 sbuf_printf(sb, "Can't attach disk(s) to %s:", gp->name);
800 for (attached = 0, no = 1; no < *nargs; no++) {
801 snprintf(param, sizeof(param), "arg%u", no);
802 name = gctl_get_asciiparam(req, param);
804 gctl_error(req, "No 'arg%d' argument.", no);
807 if (strncmp(name, "/dev/", strlen("/dev/")) == 0)
808 name += strlen("/dev/");
809 pp = g_provider_by_name(name);
810 KASSERT(pp != NULL, ("Provider %s disappear?!", name));
811 if (g_concat_add_disk(sc, pp, no - 1) != 0) {
812 G_CONCAT_DEBUG(1, "Disk %u (%s) not attached to %s.",
813 no, pp->name, gp->name);
814 sbuf_printf(sb, " %s", pp->name);
820 if (md.md_all != attached) {
821 g_concat_destroy(gp->softc, 1);
822 gctl_error(req, "%s", sbuf_data(sb));
827 static struct g_concat_softc *
828 g_concat_find_device(struct g_class *mp, const char *name)
830 struct g_concat_softc *sc;
833 LIST_FOREACH(gp, &mp->geom, geom) {
837 if (strcmp(sc->sc_name, name) == 0)
844 g_concat_ctl_destroy(struct gctl_req *req, struct g_class *mp)
846 struct g_concat_softc *sc;
847 int *force, *nargs, error;
854 nargs = gctl_get_paraml(req, "nargs", sizeof(*nargs));
856 gctl_error(req, "No '%s' argument.", "nargs");
860 gctl_error(req, "Missing device(s).");
863 force = gctl_get_paraml(req, "force", sizeof(*force));
865 gctl_error(req, "No '%s' argument.", "force");
869 for (i = 0; i < (u_int)*nargs; i++) {
870 snprintf(param, sizeof(param), "arg%u", i);
871 name = gctl_get_asciiparam(req, param);
873 gctl_error(req, "No 'arg%u' argument.", i);
876 sc = g_concat_find_device(mp, name);
878 gctl_error(req, "No such device: %s.", name);
881 error = g_concat_destroy(sc, *force);
883 gctl_error(req, "Cannot destroy device %s (error=%d).",
891 g_concat_config(struct gctl_req *req, struct g_class *mp, const char *verb)
897 version = gctl_get_paraml(req, "version", sizeof(*version));
898 if (version == NULL) {
899 gctl_error(req, "No '%s' argument.", "version");
902 if (*version != G_CONCAT_VERSION) {
903 gctl_error(req, "Userland and kernel parts are out of sync.");
907 if (strcmp(verb, "create") == 0) {
908 g_concat_ctl_create(req, mp);
910 } else if (strcmp(verb, "destroy") == 0 ||
911 strcmp(verb, "stop") == 0) {
912 g_concat_ctl_destroy(req, mp);
915 gctl_error(req, "Unknown verb.");
919 g_concat_dumpconf(struct sbuf *sb, const char *indent, struct g_geom *gp,
920 struct g_consumer *cp, struct g_provider *pp)
922 struct g_concat_softc *sc;
930 } else if (cp != NULL) {
931 struct g_concat_disk *disk;
936 sbuf_printf(sb, "%s<End>%jd</End>\n", indent,
937 (intmax_t)disk->d_end);
938 sbuf_printf(sb, "%s<Start>%jd</Start>\n", indent,
939 (intmax_t)disk->d_start);
941 sbuf_printf(sb, "%s<ID>%u</ID>\n", indent, (u_int)sc->sc_id);
942 sbuf_printf(sb, "%s<Type>", indent);
943 switch (sc->sc_type) {
944 case G_CONCAT_TYPE_AUTOMATIC:
945 sbuf_printf(sb, "AUTOMATIC");
947 case G_CONCAT_TYPE_MANUAL:
948 sbuf_printf(sb, "MANUAL");
951 sbuf_printf(sb, "UNKNOWN");
954 sbuf_printf(sb, "</Type>\n");
955 sbuf_printf(sb, "%s<Status>Total=%u, Online=%u</Status>\n",
956 indent, sc->sc_ndisks, g_concat_nvalid(sc));
957 sbuf_printf(sb, "%s<State>", indent);
958 if (sc->sc_provider != NULL && sc->sc_provider->error == 0)
959 sbuf_printf(sb, "UP");
961 sbuf_printf(sb, "DOWN");
962 sbuf_printf(sb, "</State>\n");
966 DECLARE_GEOM_CLASS(g_concat_class, g_concat);