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;
122 KASSERT(disk->d_consumer != NULL, ("Non-valid disk in %s.", __func__));
124 cp = disk->d_consumer;
126 if (!disk->d_removed) {
127 G_CONCAT_DEBUG(0, "Disk %s removed from %s.",
128 cp->provider->name, sc->sc_name);
132 if (sc->sc_provider != NULL) {
133 sc->sc_provider->flags |= G_PF_WITHER;
134 G_CONCAT_DEBUG(0, "Device %s deactivated.",
135 sc->sc_provider->name);
136 g_orphan_provider(sc->sc_provider, ENXIO);
137 sc->sc_provider = NULL;
140 if (cp->acr > 0 || cp->acw > 0 || cp->ace > 0)
142 disk->d_consumer = NULL;
144 g_destroy_consumer(cp);
145 /* If there are no valid disks anymore, remove device. */
146 if (LIST_EMPTY(&sc->sc_geom->consumer))
147 g_concat_destroy(sc, 1);
151 g_concat_orphan(struct g_consumer *cp)
153 struct g_concat_softc *sc;
154 struct g_concat_disk *disk;
164 if (disk == NULL) /* Possible? */
166 g_concat_remove_disk(disk);
170 g_concat_access(struct g_provider *pp, int dr, int dw, int de)
172 struct g_consumer *cp1, *cp2, *tmp;
173 struct g_concat_disk *disk;
180 /* On first open, grab an extra "exclusive" bit */
181 if (pp->acr == 0 && pp->acw == 0 && pp->ace == 0)
183 /* ... and let go of it on last close */
184 if ((pp->acr + dr) == 0 && (pp->acw + dw) == 0 && (pp->ace + de) == 0)
187 LIST_FOREACH_SAFE(cp1, &gp->consumer, consumer, tmp) {
188 error = g_access(cp1, dr, dw, de);
192 if (cp1->acr == 0 && cp1->acw == 0 && cp1->ace == 0 &&
194 g_concat_remove_disk(disk); /* May destroy geom. */
200 LIST_FOREACH(cp2, &gp->consumer, consumer) {
203 g_access(cp2, -dr, -dw, -de);
209 g_concat_kernel_dump(struct bio *bp)
211 struct g_concat_softc *sc;
212 struct g_concat_disk *disk;
214 struct g_kerneldump *gkd;
217 sc = bp->bio_to->geom->softc;
218 gkd = (struct g_kerneldump *)bp->bio_data;
219 for (i = 0; i < sc->sc_ndisks; i++) {
220 if (sc->sc_disks[i].d_start <= gkd->offset &&
221 sc->sc_disks[i].d_end > gkd->offset)
224 if (i == sc->sc_ndisks)
225 g_io_deliver(bp, EOPNOTSUPP);
226 disk = &sc->sc_disks[i];
227 gkd->offset -= disk->d_start;
228 if (gkd->length > disk->d_end - disk->d_start - gkd->offset)
229 gkd->length = disk->d_end - disk->d_start - gkd->offset;
230 cbp = g_clone_bio(bp);
232 g_io_deliver(bp, ENOMEM);
235 cbp->bio_done = g_std_done;
236 g_io_request(cbp, disk->d_consumer);
237 G_CONCAT_DEBUG(1, "Kernel dump will go to %s.",
238 disk->d_consumer->provider->name);
242 g_concat_flush(struct g_concat_softc *sc, struct bio *bp)
244 struct bio_queue_head queue;
245 struct g_consumer *cp;
250 for (no = 0; no < sc->sc_ndisks; no++) {
251 cbp = g_clone_bio(bp);
253 for (cbp = bioq_first(&queue); cbp != NULL;
254 cbp = bioq_first(&queue)) {
255 bioq_remove(&queue, cbp);
258 if (bp->bio_error == 0)
259 bp->bio_error = ENOMEM;
260 g_io_deliver(bp, bp->bio_error);
263 bioq_insert_tail(&queue, cbp);
264 cbp->bio_done = g_std_done;
265 cbp->bio_caller1 = sc->sc_disks[no].d_consumer;
266 cbp->bio_to = sc->sc_disks[no].d_consumer->provider;
268 for (cbp = bioq_first(&queue); cbp != NULL; cbp = bioq_first(&queue)) {
269 bioq_remove(&queue, cbp);
270 G_CONCAT_LOGREQ(cbp, "Sending request.");
271 cp = cbp->bio_caller1;
272 cbp->bio_caller1 = NULL;
273 g_io_request(cbp, cp);
278 g_concat_start(struct bio *bp)
280 struct bio_queue_head queue;
281 struct g_concat_softc *sc;
282 struct g_concat_disk *disk;
283 struct g_provider *pp;
284 off_t offset, end, length, off, len;
290 sc = pp->geom->softc;
292 * If sc == NULL, provider's error should be set and g_concat_start()
293 * should not be called at all.
296 ("Provider's error should be set (error=%d)(device=%s).",
297 bp->bio_to->error, bp->bio_to->name));
299 G_CONCAT_LOGREQ(bp, "Request received.");
301 switch (bp->bio_cmd) {
307 g_concat_flush(sc, bp);
310 if (strcmp("GEOM::kerneldump", bp->bio_attribute) == 0) {
311 g_concat_kernel_dump(bp);
314 /* To which provider it should be delivered? */
317 g_io_deliver(bp, EOPNOTSUPP);
321 offset = bp->bio_offset;
322 length = bp->bio_length;
324 end = offset + length;
327 for (no = 0; no < sc->sc_ndisks; no++) {
328 disk = &sc->sc_disks[no];
329 if (disk->d_end <= offset)
331 if (disk->d_start >= end)
334 off = offset - disk->d_start;
335 len = MIN(length, disk->d_end - offset);
339 cbp = g_clone_bio(bp);
341 for (cbp = bioq_first(&queue); cbp != NULL;
342 cbp = bioq_first(&queue)) {
343 bioq_remove(&queue, cbp);
346 if (bp->bio_error == 0)
347 bp->bio_error = ENOMEM;
348 g_io_deliver(bp, bp->bio_error);
351 bioq_insert_tail(&queue, cbp);
353 * Fill in the component buf structure.
355 cbp->bio_done = g_std_done;
356 cbp->bio_offset = off;
357 cbp->bio_data = addr;
359 cbp->bio_length = len;
360 cbp->bio_to = disk->d_consumer->provider;
361 cbp->bio_caller1 = disk;
367 ("Length is still greater than 0 (class=%s, name=%s).",
368 bp->bio_to->geom->class->name, bp->bio_to->geom->name));
369 for (cbp = bioq_first(&queue); cbp != NULL; cbp = bioq_first(&queue)) {
370 bioq_remove(&queue, cbp);
371 G_CONCAT_LOGREQ(cbp, "Sending request.");
372 disk = cbp->bio_caller1;
373 cbp->bio_caller1 = NULL;
374 g_io_request(cbp, disk->d_consumer);
379 g_concat_check_and_run(struct g_concat_softc *sc)
381 struct g_concat_disk *disk;
382 struct g_provider *pp;
383 u_int no, sectorsize = 0;
387 if (g_concat_nvalid(sc) != sc->sc_ndisks)
390 pp = g_new_providerf(sc->sc_geom, "concat/%s", sc->sc_name);
392 for (no = 0; no < sc->sc_ndisks; no++) {
393 disk = &sc->sc_disks[no];
394 disk->d_start = start;
395 disk->d_end = disk->d_start +
396 disk->d_consumer->provider->mediasize;
397 if (sc->sc_type == G_CONCAT_TYPE_AUTOMATIC)
398 disk->d_end -= disk->d_consumer->provider->sectorsize;
401 sectorsize = disk->d_consumer->provider->sectorsize;
403 sectorsize = lcm(sectorsize,
404 disk->d_consumer->provider->sectorsize);
407 pp->sectorsize = sectorsize;
408 /* We have sc->sc_disks[sc->sc_ndisks - 1].d_end in 'start'. */
409 pp->mediasize = start;
410 pp->stripesize = sc->sc_disks[0].d_consumer->provider->stripesize;
411 pp->stripeoffset = sc->sc_disks[0].d_consumer->provider->stripeoffset;
412 sc->sc_provider = pp;
413 g_error_provider(pp, 0);
415 G_CONCAT_DEBUG(0, "Device %s activated.", sc->sc_provider->name);
419 g_concat_read_metadata(struct g_consumer *cp, struct g_concat_metadata *md)
421 struct g_provider *pp;
427 error = g_access(cp, 1, 0, 0);
432 buf = g_read_data(cp, pp->mediasize - pp->sectorsize, pp->sectorsize,
435 g_access(cp, -1, 0, 0);
439 /* Decode metadata. */
440 concat_metadata_decode(buf, md);
447 * Add disk to given device.
450 g_concat_add_disk(struct g_concat_softc *sc, struct g_provider *pp, u_int no)
452 struct g_concat_disk *disk;
453 struct g_consumer *cp, *fcp;
458 /* Metadata corrupted? */
459 if (no >= sc->sc_ndisks)
462 disk = &sc->sc_disks[no];
463 /* Check if disk is not already attached. */
464 if (disk->d_consumer != NULL)
468 fcp = LIST_FIRST(&gp->consumer);
470 cp = g_new_consumer(gp);
471 error = g_attach(cp, pp);
473 g_destroy_consumer(cp);
477 if (fcp != NULL && (fcp->acr > 0 || fcp->acw > 0 || fcp->ace > 0)) {
478 error = g_access(cp, fcp->acr, fcp->acw, fcp->ace);
481 g_destroy_consumer(cp);
485 if (sc->sc_type == G_CONCAT_TYPE_AUTOMATIC) {
486 struct g_concat_metadata md;
488 /* Re-read metadata. */
489 error = g_concat_read_metadata(cp, &md);
493 if (strcmp(md.md_magic, G_CONCAT_MAGIC) != 0 ||
494 strcmp(md.md_name, sc->sc_name) != 0 ||
495 md.md_id != sc->sc_id) {
496 G_CONCAT_DEBUG(0, "Metadata on %s changed.", pp->name);
502 disk->d_consumer = cp;
504 disk->d_start = 0; /* not yet */
505 disk->d_end = 0; /* not yet */
508 G_CONCAT_DEBUG(0, "Disk %s attached to %s.", pp->name, sc->sc_name);
510 g_concat_check_and_run(sc);
514 if (fcp != NULL && (fcp->acr > 0 || fcp->acw > 0 || fcp->ace > 0))
515 g_access(cp, -fcp->acr, -fcp->acw, -fcp->ace);
517 g_destroy_consumer(cp);
521 static struct g_geom *
522 g_concat_create(struct g_class *mp, const struct g_concat_metadata *md,
525 struct g_concat_softc *sc;
529 G_CONCAT_DEBUG(1, "Creating device %s (id=%u).", md->md_name,
532 /* One disks is minimum. */
536 /* Check for duplicate unit */
537 LIST_FOREACH(gp, &mp->geom, geom) {
539 if (sc != NULL && strcmp(sc->sc_name, md->md_name) == 0) {
540 G_CONCAT_DEBUG(0, "Device %s already configured.",
545 gp = g_new_geomf(mp, "%s", md->md_name);
546 sc = malloc(sizeof(*sc), M_CONCAT, M_WAITOK | M_ZERO);
547 gp->start = g_concat_start;
548 gp->spoiled = g_concat_orphan;
549 gp->orphan = g_concat_orphan;
550 gp->access = g_concat_access;
551 gp->dumpconf = g_concat_dumpconf;
553 sc->sc_id = md->md_id;
554 sc->sc_ndisks = md->md_all;
555 sc->sc_disks = malloc(sizeof(struct g_concat_disk) * sc->sc_ndisks,
556 M_CONCAT, M_WAITOK | M_ZERO);
557 for (no = 0; no < sc->sc_ndisks; no++)
558 sc->sc_disks[no].d_consumer = NULL;
563 sc->sc_provider = NULL;
565 G_CONCAT_DEBUG(0, "Device %s created (id=%u).", sc->sc_name, sc->sc_id);
571 g_concat_destroy(struct g_concat_softc *sc, boolean_t force)
573 struct g_provider *pp;
574 struct g_consumer *cp, *cp1;
582 pp = sc->sc_provider;
583 if (pp != NULL && (pp->acr != 0 || pp->acw != 0 || pp->ace != 0)) {
585 G_CONCAT_DEBUG(0, "Device %s is still open, so it "
586 "can't be definitely removed.", pp->name);
589 "Device %s is still open (r%dw%de%d).", pp->name,
590 pp->acr, pp->acw, pp->ace);
596 LIST_FOREACH_SAFE(cp, &gp->consumer, consumer, cp1) {
597 g_concat_remove_disk(cp->private);
599 return (0); /* Recursion happened. */
601 if (!LIST_EMPTY(&gp->consumer))
602 return (EINPROGRESS);
605 KASSERT(sc->sc_provider == NULL, ("Provider still exists? (device=%s)",
607 free(sc->sc_disks, M_CONCAT);
610 G_CONCAT_DEBUG(0, "Device %s destroyed.", gp->name);
611 g_wither_geom(gp, ENXIO);
616 g_concat_destroy_geom(struct gctl_req *req __unused,
617 struct g_class *mp __unused, struct g_geom *gp)
619 struct g_concat_softc *sc;
622 return (g_concat_destroy(sc, 0));
625 static struct g_geom *
626 g_concat_taste(struct g_class *mp, struct g_provider *pp, int flags __unused)
628 struct g_concat_metadata md;
629 struct g_concat_softc *sc;
630 struct g_consumer *cp;
634 g_trace(G_T_TOPOLOGY, "%s(%s, %s)", __func__, mp->name, pp->name);
637 /* Skip providers that are already open for writing. */
641 G_CONCAT_DEBUG(3, "Tasting %s.", pp->name);
643 gp = g_new_geomf(mp, "concat:taste");
644 gp->start = g_concat_start;
645 gp->access = g_concat_access;
646 gp->orphan = g_concat_orphan;
647 cp = g_new_consumer(gp);
649 error = g_concat_read_metadata(cp, &md);
651 g_destroy_consumer(cp);
657 if (strcmp(md.md_magic, G_CONCAT_MAGIC) != 0)
659 if (md.md_version > G_CONCAT_VERSION) {
660 printf("geom_concat.ko module is too old to handle %s.\n",
665 * Backward compatibility:
667 /* There was no md_provider field in earlier versions of metadata. */
668 if (md.md_version < 3)
669 bzero(md.md_provider, sizeof(md.md_provider));
670 /* There was no md_provsize field in earlier versions of metadata. */
671 if (md.md_version < 4)
672 md.md_provsize = pp->mediasize;
674 if (md.md_provider[0] != '\0' &&
675 !g_compare_names(md.md_provider, pp->name))
677 if (md.md_provsize != pp->mediasize)
681 * Let's check if device already exists.
684 LIST_FOREACH(gp, &mp->geom, geom) {
688 if (sc->sc_type != G_CONCAT_TYPE_AUTOMATIC)
690 if (strcmp(md.md_name, sc->sc_name) != 0)
692 if (md.md_id != sc->sc_id)
697 G_CONCAT_DEBUG(1, "Adding disk %s to %s.", pp->name, gp->name);
698 error = g_concat_add_disk(sc, pp, md.md_no);
701 "Cannot add disk %s to %s (error=%d).", pp->name,
706 gp = g_concat_create(mp, &md, G_CONCAT_TYPE_AUTOMATIC);
708 G_CONCAT_DEBUG(0, "Cannot create device %s.",
713 G_CONCAT_DEBUG(1, "Adding disk %s to %s.", pp->name, gp->name);
714 error = g_concat_add_disk(sc, pp, md.md_no);
717 "Cannot add disk %s to %s (error=%d).", pp->name,
719 g_concat_destroy(sc, 1);
728 g_concat_ctl_create(struct gctl_req *req, struct g_class *mp)
731 struct g_concat_metadata md;
732 struct g_provider *pp;
733 struct g_concat_softc *sc;
741 nargs = gctl_get_paraml(req, "nargs", sizeof(*nargs));
743 gctl_error(req, "No '%s' argument.", "nargs");
747 gctl_error(req, "Too few arguments.");
751 strlcpy(md.md_magic, G_CONCAT_MAGIC, sizeof(md.md_magic));
752 md.md_version = G_CONCAT_VERSION;
753 name = gctl_get_asciiparam(req, "arg0");
755 gctl_error(req, "No 'arg%u' argument.", 0);
758 strlcpy(md.md_name, name, sizeof(md.md_name));
759 md.md_id = arc4random();
761 md.md_all = *nargs - 1;
762 bzero(md.md_provider, sizeof(md.md_provider));
763 /* This field is not important here. */
766 /* Check all providers are valid */
767 for (no = 1; no < *nargs; no++) {
768 snprintf(param, sizeof(param), "arg%u", no);
769 name = gctl_get_asciiparam(req, param);
771 gctl_error(req, "No 'arg%u' argument.", no);
774 if (strncmp(name, "/dev/", strlen("/dev/")) == 0)
775 name += strlen("/dev/");
776 pp = g_provider_by_name(name);
778 G_CONCAT_DEBUG(1, "Disk %s is invalid.", name);
779 gctl_error(req, "Disk %s is invalid.", name);
784 gp = g_concat_create(mp, &md, G_CONCAT_TYPE_MANUAL);
786 gctl_error(req, "Can't configure %s.", md.md_name);
791 sb = sbuf_new_auto();
792 sbuf_printf(sb, "Can't attach disk(s) to %s:", gp->name);
793 for (attached = 0, no = 1; no < *nargs; no++) {
794 snprintf(param, sizeof(param), "arg%u", no);
795 name = gctl_get_asciiparam(req, param);
797 gctl_error(req, "No 'arg%d' argument.", no);
800 if (strncmp(name, "/dev/", strlen("/dev/")) == 0)
801 name += strlen("/dev/");
802 pp = g_provider_by_name(name);
803 KASSERT(pp != NULL, ("Provider %s disappear?!", name));
804 if (g_concat_add_disk(sc, pp, no - 1) != 0) {
805 G_CONCAT_DEBUG(1, "Disk %u (%s) not attached to %s.",
806 no, pp->name, gp->name);
807 sbuf_printf(sb, " %s", pp->name);
813 if (md.md_all != attached) {
814 g_concat_destroy(gp->softc, 1);
815 gctl_error(req, "%s", sbuf_data(sb));
820 static struct g_concat_softc *
821 g_concat_find_device(struct g_class *mp, const char *name)
823 struct g_concat_softc *sc;
826 LIST_FOREACH(gp, &mp->geom, geom) {
830 if (strcmp(sc->sc_name, name) == 0)
837 g_concat_ctl_destroy(struct gctl_req *req, struct g_class *mp)
839 struct g_concat_softc *sc;
840 int *force, *nargs, error;
847 nargs = gctl_get_paraml(req, "nargs", sizeof(*nargs));
849 gctl_error(req, "No '%s' argument.", "nargs");
853 gctl_error(req, "Missing device(s).");
856 force = gctl_get_paraml(req, "force", sizeof(*force));
858 gctl_error(req, "No '%s' argument.", "force");
862 for (i = 0; i < (u_int)*nargs; i++) {
863 snprintf(param, sizeof(param), "arg%u", i);
864 name = gctl_get_asciiparam(req, param);
866 gctl_error(req, "No 'arg%u' argument.", i);
869 sc = g_concat_find_device(mp, name);
871 gctl_error(req, "No such device: %s.", name);
874 error = g_concat_destroy(sc, *force);
876 gctl_error(req, "Cannot destroy device %s (error=%d).",
884 g_concat_config(struct gctl_req *req, struct g_class *mp, const char *verb)
890 version = gctl_get_paraml(req, "version", sizeof(*version));
891 if (version == NULL) {
892 gctl_error(req, "No '%s' argument.", "version");
895 if (*version != G_CONCAT_VERSION) {
896 gctl_error(req, "Userland and kernel parts are out of sync.");
900 if (strcmp(verb, "create") == 0) {
901 g_concat_ctl_create(req, mp);
903 } else if (strcmp(verb, "destroy") == 0 ||
904 strcmp(verb, "stop") == 0) {
905 g_concat_ctl_destroy(req, mp);
908 gctl_error(req, "Unknown verb.");
912 g_concat_dumpconf(struct sbuf *sb, const char *indent, struct g_geom *gp,
913 struct g_consumer *cp, struct g_provider *pp)
915 struct g_concat_softc *sc;
923 } else if (cp != NULL) {
924 struct g_concat_disk *disk;
929 sbuf_printf(sb, "%s<End>%jd</End>\n", indent,
930 (intmax_t)disk->d_end);
931 sbuf_printf(sb, "%s<Start>%jd</Start>\n", indent,
932 (intmax_t)disk->d_start);
934 sbuf_printf(sb, "%s<ID>%u</ID>\n", indent, (u_int)sc->sc_id);
935 sbuf_printf(sb, "%s<Type>", indent);
936 switch (sc->sc_type) {
937 case G_CONCAT_TYPE_AUTOMATIC:
938 sbuf_printf(sb, "AUTOMATIC");
940 case G_CONCAT_TYPE_MANUAL:
941 sbuf_printf(sb, "MANUAL");
944 sbuf_printf(sb, "UNKNOWN");
947 sbuf_printf(sb, "</Type>\n");
948 sbuf_printf(sb, "%s<Status>Total=%u, Online=%u</Status>\n",
949 indent, sc->sc_ndisks, g_concat_nvalid(sc));
950 sbuf_printf(sb, "%s<State>", indent);
951 if (sc->sc_provider != NULL && sc->sc_provider->error == 0)
952 sbuf_printf(sb, "UP");
954 sbuf_printf(sb, "DOWN");
955 sbuf_printf(sb, "</State>\n");
959 DECLARE_GEOM_CLASS(g_concat_class, g_concat);