git: f87bb5967670 - main - gvinum: Remove kernel support
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Date: Thu, 23 Jan 2025 16:21:03 UTC
The branch main has been updated by jhb:
URL: https://cgit.FreeBSD.org/src/commit/?id=f87bb5967670914f2f6d9ab4c732ab083a61b4c8
commit f87bb5967670914f2f6d9ab4c732ab083a61b4c8
Author: John Baldwin <jhb@FreeBSD.org>
AuthorDate: 2025-01-23 15:32:41 +0000
Commit: John Baldwin <jhb@FreeBSD.org>
CommitDate: 2025-01-23 16:20:42 +0000
gvinum: Remove kernel support
Reviewed by: imp
Differential Revision: https://reviews.freebsd.org/D48541
---
sys/conf/NOTES | 1 -
sys/conf/files | 15 -
sys/geom/vinum/geom_vinum.c | 1044 ---------------------------
sys/geom/vinum/geom_vinum.h | 163 -----
sys/geom/vinum/geom_vinum_create.c | 608 ----------------
sys/geom/vinum/geom_vinum_drive.c | 351 ----------
sys/geom/vinum/geom_vinum_events.c | 282 --------
sys/geom/vinum/geom_vinum_init.c | 388 -----------
sys/geom/vinum/geom_vinum_list.c | 500 -------------
sys/geom/vinum/geom_vinum_move.c | 189 -----
sys/geom/vinum/geom_vinum_plex.c | 1045 ----------------------------
sys/geom/vinum/geom_vinum_raid5.c | 662 ------------------
sys/geom/vinum/geom_vinum_raid5.h | 55 --
sys/geom/vinum/geom_vinum_rename.c | 261 -------
sys/geom/vinum/geom_vinum_rm.c | 387 -----------
sys/geom/vinum/geom_vinum_share.c | 723 -------------------
sys/geom/vinum/geom_vinum_share.h | 67 --
sys/geom/vinum/geom_vinum_state.c | 534 --------------
sys/geom/vinum/geom_vinum_subr.c | 1277 ----------------------------------
sys/geom/vinum/geom_vinum_var.h | 393 -----------
sys/geom/vinum/geom_vinum_volume.c | 163 -----
sys/modules/geom/Makefile | 1 -
sys/modules/geom/geom_vinum/Makefile | 10 -
23 files changed, 9119 deletions(-)
diff --git a/sys/conf/NOTES b/sys/conf/NOTES
index 181bd351b460..aedb89e49b67 100644
--- a/sys/conf/NOTES
+++ b/sys/conf/NOTES
@@ -177,7 +177,6 @@ options GEOM_RAID3 # RAID3 functionality.
options GEOM_SHSEC # Shared secret.
options GEOM_STRIPE # Disk striping.
options GEOM_UZIP # Read-only compressed disks
-options GEOM_VINUM # Vinum logical volume manager
options GEOM_VIRSTOR # Virtual storage.
options GEOM_ZERO # Performance testing helper.
diff --git a/sys/conf/files b/sys/conf/files
index 5fd7b887581a..496f1617a67a 100644
--- a/sys/conf/files
+++ b/sys/conf/files
@@ -3714,21 +3714,6 @@ geom/uzip/g_uzip_wrkthr.c optional geom_uzip
geom/uzip/g_uzip_zlib.c optional geom_uzip
geom/uzip/g_uzip_zstd.c optional geom_uzip zstdio \
compile-with "${NORMAL_C} -I$S/contrib/zstd/lib/freebsd"
-geom/vinum/geom_vinum.c optional geom_vinum
-geom/vinum/geom_vinum_create.c optional geom_vinum
-geom/vinum/geom_vinum_drive.c optional geom_vinum
-geom/vinum/geom_vinum_plex.c optional geom_vinum
-geom/vinum/geom_vinum_volume.c optional geom_vinum
-geom/vinum/geom_vinum_subr.c optional geom_vinum
-geom/vinum/geom_vinum_raid5.c optional geom_vinum
-geom/vinum/geom_vinum_share.c optional geom_vinum
-geom/vinum/geom_vinum_list.c optional geom_vinum
-geom/vinum/geom_vinum_rm.c optional geom_vinum
-geom/vinum/geom_vinum_init.c optional geom_vinum
-geom/vinum/geom_vinum_state.c optional geom_vinum
-geom/vinum/geom_vinum_rename.c optional geom_vinum
-geom/vinum/geom_vinum_move.c optional geom_vinum
-geom/vinum/geom_vinum_events.c optional geom_vinum
geom/virstor/binstream.c optional geom_virstor
geom/virstor/g_virstor.c optional geom_virstor
geom/virstor/g_virstor_md.c optional geom_virstor
diff --git a/sys/geom/vinum/geom_vinum.c b/sys/geom/vinum/geom_vinum.c
deleted file mode 100644
index 5c66216aaf3e..000000000000
--- a/sys/geom/vinum/geom_vinum.c
+++ /dev/null
@@ -1,1044 +0,0 @@
-/*-
- * SPDX-License-Identifier: BSD-2-Clause
- *
- * Copyright (c) 2004, 2007 Lukas Ertl
- * Copyright (c) 2007, 2009 Ulf Lilleengen
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- */
-
-#include <sys/param.h>
-#include <sys/bio.h>
-#include <sys/kernel.h>
-#include <sys/kthread.h>
-#include <sys/lock.h>
-#include <sys/malloc.h>
-#include <sys/module.h>
-#include <sys/mutex.h>
-#include <sys/sbuf.h>
-#include <sys/sysctl.h>
-#include <sys/systm.h>
-
-#include <geom/geom.h>
-#include <geom/geom_dbg.h>
-#include <geom/vinum/geom_vinum_var.h>
-#include <geom/vinum/geom_vinum.h>
-#include <geom/vinum/geom_vinum_raid5.h>
-
-SYSCTL_DECL(_kern_geom);
-static SYSCTL_NODE(_kern_geom, OID_AUTO, vinum, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
- "GEOM_VINUM stuff");
-u_int g_vinum_debug = 0;
-SYSCTL_UINT(_kern_geom_vinum, OID_AUTO, debug, CTLFLAG_RWTUN, &g_vinum_debug, 0,
- "Debug level");
-
-static int gv_create(struct g_geom *, struct gctl_req *);
-static void gv_attach(struct gv_softc *, struct gctl_req *);
-static void gv_detach(struct gv_softc *, struct gctl_req *);
-static void gv_parityop(struct gv_softc *, struct gctl_req *);
-
-static void
-gv_orphan(struct g_consumer *cp)
-{
- struct g_geom *gp;
- struct gv_softc *sc;
- struct gv_drive *d;
-
- g_topology_assert();
-
- KASSERT(cp != NULL, ("gv_orphan: null cp"));
- gp = cp->geom;
- KASSERT(gp != NULL, ("gv_orphan: null gp"));
- sc = gp->softc;
- KASSERT(sc != NULL, ("gv_orphan: null sc"));
- d = cp->private;
- KASSERT(d != NULL, ("gv_orphan: null d"));
-
- g_trace(G_T_TOPOLOGY, "gv_orphan(%s)", gp->name);
-
- gv_post_event(sc, GV_EVENT_DRIVE_LOST, d, NULL, 0, 0);
-}
-
-void
-gv_start(struct bio *bp)
-{
- struct g_geom *gp;
- struct gv_softc *sc;
-
- gp = bp->bio_to->geom;
- sc = gp->softc;
-
- switch (bp->bio_cmd) {
- case BIO_READ:
- case BIO_WRITE:
- case BIO_DELETE:
- break;
- case BIO_GETATTR:
- default:
- g_io_deliver(bp, EOPNOTSUPP);
- return;
- }
- mtx_lock(&sc->bqueue_mtx);
- bioq_disksort(sc->bqueue_down, bp);
- wakeup(sc);
- mtx_unlock(&sc->bqueue_mtx);
-}
-
-void
-gv_done(struct bio *bp)
-{
- struct g_geom *gp;
- struct gv_softc *sc;
-
- KASSERT(bp != NULL, ("NULL bp"));
-
- gp = bp->bio_from->geom;
- sc = gp->softc;
-
- mtx_lock(&sc->bqueue_mtx);
- bioq_disksort(sc->bqueue_up, bp);
- wakeup(sc);
- mtx_unlock(&sc->bqueue_mtx);
-}
-
-int
-gv_access(struct g_provider *pp, int dr, int dw, int de)
-{
- struct g_geom *gp;
- struct gv_softc *sc;
- struct gv_drive *d, *d2;
- int error;
-
- gp = pp->geom;
- sc = gp->softc;
- /*
- * We want to modify the read count with the write count in case we have
- * plexes in a RAID-5 organization.
- */
- dr += dw;
-
- LIST_FOREACH(d, &sc->drives, drive) {
- if (d->consumer == NULL)
- continue;
- error = g_access(d->consumer, dr, dw, de);
- if (error) {
- LIST_FOREACH(d2, &sc->drives, drive) {
- if (d == d2)
- break;
- g_access(d2->consumer, -dr, -dw, -de);
- }
- G_VINUM_DEBUG(0, "g_access '%s' failed: %d", d->name,
- error);
- return (error);
- }
- }
- return (0);
-}
-
-static void
-gv_init(struct g_class *mp)
-{
- struct g_geom *gp;
- struct gv_softc *sc;
-
- g_trace(G_T_TOPOLOGY, "gv_init(%p)", mp);
-
- gp = g_new_geomf(mp, "VINUM");
- gp->spoiled = gv_orphan;
- gp->orphan = gv_orphan;
- gp->access = gv_access;
- gp->start = gv_start;
- gp->softc = g_malloc(sizeof(struct gv_softc), M_WAITOK | M_ZERO);
- sc = gp->softc;
- sc->geom = gp;
- sc->bqueue_down = g_malloc(sizeof(struct bio_queue_head),
- M_WAITOK | M_ZERO);
- sc->bqueue_up = g_malloc(sizeof(struct bio_queue_head),
- M_WAITOK | M_ZERO);
- bioq_init(sc->bqueue_down);
- bioq_init(sc->bqueue_up);
- LIST_INIT(&sc->drives);
- LIST_INIT(&sc->subdisks);
- LIST_INIT(&sc->plexes);
- LIST_INIT(&sc->volumes);
- TAILQ_INIT(&sc->equeue);
- mtx_init(&sc->config_mtx, "gv_config", NULL, MTX_DEF);
- mtx_init(&sc->equeue_mtx, "gv_equeue", NULL, MTX_DEF);
- mtx_init(&sc->bqueue_mtx, "gv_bqueue", NULL, MTX_DEF);
- kproc_create(gv_worker, sc, &sc->worker, 0, 0, "gv_worker");
-}
-
-static int
-gv_unload(struct gctl_req *req, struct g_class *mp, struct g_geom *gp)
-{
- struct gv_softc *sc;
-
- g_trace(G_T_TOPOLOGY, "gv_unload(%p)", mp);
-
- g_topology_assert();
- sc = gp->softc;
-
- if (sc != NULL) {
- gv_worker_exit(sc);
- gp->softc = NULL;
- g_wither_geom(gp, ENXIO);
- }
-
- return (0);
-}
-
-/* Handle userland request of attaching object. */
-static void
-gv_attach(struct gv_softc *sc, struct gctl_req *req)
-{
- struct gv_volume *v;
- struct gv_plex *p;
- struct gv_sd *s;
- off_t *offset;
- int *rename, type_child, type_parent;
- char *child, *parent;
-
- child = gctl_get_param(req, "child", NULL);
- if (child == NULL) {
- gctl_error(req, "no child given");
- return;
- }
- parent = gctl_get_param(req, "parent", NULL);
- if (parent == NULL) {
- gctl_error(req, "no parent given");
- return;
- }
- offset = gctl_get_paraml(req, "offset", sizeof(*offset));
- if (offset == NULL) {
- gctl_error(req, "no offset given");
- return;
- }
- rename = gctl_get_paraml(req, "rename", sizeof(*rename));
- if (rename == NULL) {
- gctl_error(req, "no rename flag given");
- return;
- }
-
- type_child = gv_object_type(sc, child);
- type_parent = gv_object_type(sc, parent);
-
- switch (type_child) {
- case GV_TYPE_PLEX:
- if (type_parent != GV_TYPE_VOL) {
- gctl_error(req, "no such volume to attach to");
- return;
- }
- v = gv_find_vol(sc, parent);
- p = gv_find_plex(sc, child);
- gv_post_event(sc, GV_EVENT_ATTACH_PLEX, p, v, *offset, *rename);
- break;
- case GV_TYPE_SD:
- if (type_parent != GV_TYPE_PLEX) {
- gctl_error(req, "no such plex to attach to");
- return;
- }
- p = gv_find_plex(sc, parent);
- s = gv_find_sd(sc, child);
- gv_post_event(sc, GV_EVENT_ATTACH_SD, s, p, *offset, *rename);
- break;
- default:
- gctl_error(req, "invalid child type");
- break;
- }
-}
-
-/* Handle userland request of detaching object. */
-static void
-gv_detach(struct gv_softc *sc, struct gctl_req *req)
-{
- struct gv_plex *p;
- struct gv_sd *s;
- int *flags, type;
- char *object;
-
- object = gctl_get_param(req, "object", NULL);
- if (object == NULL) {
- gctl_error(req, "no argument given");
- return;
- }
-
- flags = gctl_get_paraml(req, "flags", sizeof(*flags));
- type = gv_object_type(sc, object);
- switch (type) {
- case GV_TYPE_PLEX:
- p = gv_find_plex(sc, object);
- gv_post_event(sc, GV_EVENT_DETACH_PLEX, p, NULL, *flags, 0);
- break;
- case GV_TYPE_SD:
- s = gv_find_sd(sc, object);
- gv_post_event(sc, GV_EVENT_DETACH_SD, s, NULL, *flags, 0);
- break;
- default:
- gctl_error(req, "invalid object type");
- break;
- }
-}
-
-/* Handle userland requests for creating new objects. */
-static int
-gv_create(struct g_geom *gp, struct gctl_req *req)
-{
- struct gv_softc *sc;
- struct gv_drive *d, *d2;
- struct gv_plex *p, *p2;
- struct gv_sd *s, *s2;
- struct gv_volume *v, *v2;
- struct g_provider *pp;
- int i, *drives, *flags, *plexes, *subdisks, *volumes;
- char buf[20];
-
- g_topology_assert();
-
- sc = gp->softc;
-
- /* Find out how many of each object have been passed in. */
- volumes = gctl_get_paraml(req, "volumes", sizeof(*volumes));
- plexes = gctl_get_paraml(req, "plexes", sizeof(*plexes));
- subdisks = gctl_get_paraml(req, "subdisks", sizeof(*subdisks));
- drives = gctl_get_paraml(req, "drives", sizeof(*drives));
- if (volumes == NULL || plexes == NULL || subdisks == NULL ||
- drives == NULL) {
- gctl_error(req, "number of objects not given");
- return (-1);
- }
- flags = gctl_get_paraml(req, "flags", sizeof(*flags));
- if (flags == NULL) {
- gctl_error(req, "flags not given");
- return (-1);
- }
-
- /* First, handle drive definitions ... */
- for (i = 0; i < *drives; i++) {
- snprintf(buf, sizeof(buf), "drive%d", i);
- d2 = gctl_get_paraml(req, buf, sizeof(*d2));
- if (d2 == NULL) {
- gctl_error(req, "no drive definition given");
- return (-1);
- }
- /*
- * Make sure that the device specified in the drive config is
- * an active GEOM provider.
- */
- pp = g_provider_by_name(d2->device);
- if (pp == NULL) {
- gctl_error(req, "%s: device not found", d2->device);
- goto error;
- }
- if (gv_find_drive(sc, d2->name) != NULL) {
- /* Ignore error. */
- if (*flags & GV_FLAG_F)
- continue;
- gctl_error(req, "drive '%s' already exists", d2->name);
- goto error;
- }
- if (gv_find_drive_device(sc, d2->device) != NULL) {
- gctl_error(req, "device '%s' already configured in "
- "gvinum", d2->device);
- goto error;
- }
-
- d = g_malloc(sizeof(*d), M_WAITOK | M_ZERO);
- bcopy(d2, d, sizeof(*d));
-
- gv_post_event(sc, GV_EVENT_CREATE_DRIVE, d, NULL, 0, 0);
- }
-
- /* ... then volume definitions ... */
- for (i = 0; i < *volumes; i++) {
- snprintf(buf, sizeof(buf), "volume%d", i);
- v2 = gctl_get_paraml(req, buf, sizeof(*v2));
- if (v2 == NULL) {
- gctl_error(req, "no volume definition given");
- return (-1);
- }
- if (gv_find_vol(sc, v2->name) != NULL) {
- /* Ignore error. */
- if (*flags & GV_FLAG_F)
- continue;
- gctl_error(req, "volume '%s' already exists", v2->name);
- goto error;
- }
-
- v = g_malloc(sizeof(*v), M_WAITOK | M_ZERO);
- bcopy(v2, v, sizeof(*v));
-
- gv_post_event(sc, GV_EVENT_CREATE_VOLUME, v, NULL, 0, 0);
- }
-
- /* ... then plex definitions ... */
- for (i = 0; i < *plexes; i++) {
- snprintf(buf, sizeof(buf), "plex%d", i);
- p2 = gctl_get_paraml(req, buf, sizeof(*p2));
- if (p2 == NULL) {
- gctl_error(req, "no plex definition given");
- return (-1);
- }
- if (gv_find_plex(sc, p2->name) != NULL) {
- /* Ignore error. */
- if (*flags & GV_FLAG_F)
- continue;
- gctl_error(req, "plex '%s' already exists", p2->name);
- goto error;
- }
-
- p = g_malloc(sizeof(*p), M_WAITOK | M_ZERO);
- bcopy(p2, p, sizeof(*p));
-
- gv_post_event(sc, GV_EVENT_CREATE_PLEX, p, NULL, 0, 0);
- }
-
- /* ... and, finally, subdisk definitions. */
- for (i = 0; i < *subdisks; i++) {
- snprintf(buf, sizeof(buf), "sd%d", i);
- s2 = gctl_get_paraml(req, buf, sizeof(*s2));
- if (s2 == NULL) {
- gctl_error(req, "no subdisk definition given");
- return (-1);
- }
- if (gv_find_sd(sc, s2->name) != NULL) {
- /* Ignore error. */
- if (*flags & GV_FLAG_F)
- continue;
- gctl_error(req, "sd '%s' already exists", s2->name);
- goto error;
- }
-
- s = g_malloc(sizeof(*s), M_WAITOK | M_ZERO);
- bcopy(s2, s, sizeof(*s));
-
- gv_post_event(sc, GV_EVENT_CREATE_SD, s, NULL, 0, 0);
- }
-
-error:
- gv_post_event(sc, GV_EVENT_SETUP_OBJECTS, sc, NULL, 0, 0);
- gv_post_event(sc, GV_EVENT_SAVE_CONFIG, sc, NULL, 0, 0);
-
- return (0);
-}
-
-static void
-gv_config(struct gctl_req *req, struct g_class *mp, char const *verb)
-{
- struct g_geom *gp;
- struct gv_softc *sc;
- struct sbuf *sb;
- char *comment;
-
- g_topology_assert();
-
- gp = LIST_FIRST(&mp->geom);
- sc = gp->softc;
-
- if (!strcmp(verb, "attach")) {
- gv_attach(sc, req);
-
- } else if (!strcmp(verb, "concat")) {
- gv_concat(gp, req);
-
- } else if (!strcmp(verb, "detach")) {
- gv_detach(sc, req);
-
- } else if (!strcmp(verb, "list")) {
- gv_list(gp, req);
-
- /* Save our configuration back to disk. */
- } else if (!strcmp(verb, "saveconfig")) {
- gv_post_event(sc, GV_EVENT_SAVE_CONFIG, sc, NULL, 0, 0);
-
- /* Return configuration in string form. */
- } else if (!strcmp(verb, "getconfig")) {
- comment = gctl_get_param(req, "comment", NULL);
- if (comment == NULL) {
- gctl_error(req, "no comment parameter given");
- return;
- }
- sb = sbuf_new(NULL, NULL, GV_CFG_LEN, SBUF_FIXEDLEN);
- gv_format_config(sc, sb, 0, comment);
- sbuf_finish(sb);
- gctl_set_param(req, "config", sbuf_data(sb), sbuf_len(sb) + 1);
- sbuf_delete(sb);
-
- } else if (!strcmp(verb, "create")) {
- gv_create(gp, req);
-
- } else if (!strcmp(verb, "mirror")) {
- gv_mirror(gp, req);
-
- } else if (!strcmp(verb, "move")) {
- gv_move(gp, req);
-
- } else if (!strcmp(verb, "raid5")) {
- gv_raid5(gp, req);
-
- } else if (!strcmp(verb, "rebuildparity") ||
- !strcmp(verb, "checkparity")) {
- gv_parityop(sc, req);
-
- } else if (!strcmp(verb, "remove")) {
- gv_remove(gp, req);
-
- } else if (!strcmp(verb, "rename")) {
- gv_rename(gp, req);
-
- } else if (!strcmp(verb, "resetconfig")) {
- gv_post_event(sc, GV_EVENT_RESET_CONFIG, sc, NULL, 0, 0);
-
- } else if (!strcmp(verb, "start")) {
- gv_start_obj(gp, req);
-
- } else if (!strcmp(verb, "stripe")) {
- gv_stripe(gp, req);
-
- } else if (!strcmp(verb, "setstate")) {
- gv_setstate(gp, req);
- } else
- gctl_error(req, "Unknown verb parameter");
-}
-
-static void
-gv_parityop(struct gv_softc *sc, struct gctl_req *req)
-{
- struct gv_plex *p;
- int *flags, *rebuild, type;
- char *plex;
-
- plex = gctl_get_param(req, "plex", NULL);
- if (plex == NULL) {
- gctl_error(req, "no plex given");
- return;
- }
-
- flags = gctl_get_paraml(req, "flags", sizeof(*flags));
- if (flags == NULL) {
- gctl_error(req, "no flags given");
- return;
- }
-
- rebuild = gctl_get_paraml(req, "rebuild", sizeof(*rebuild));
- if (rebuild == NULL) {
- gctl_error(req, "no operation given");
- return;
- }
-
- type = gv_object_type(sc, plex);
- if (type != GV_TYPE_PLEX) {
- gctl_error(req, "'%s' is not a plex", plex);
- return;
- }
- p = gv_find_plex(sc, plex);
-
- if (p->state != GV_PLEX_UP) {
- gctl_error(req, "plex %s is not completely accessible",
- p->name);
- return;
- }
-
- if (p->org != GV_PLEX_RAID5) {
- gctl_error(req, "plex %s is not a RAID5 plex", p->name);
- return;
- }
-
- /* Put it in the event queue. */
- /* XXX: The state of the plex might have changed when this event is
- * picked up ... We should perhaps check this afterwards. */
- if (*rebuild)
- gv_post_event(sc, GV_EVENT_PARITY_REBUILD, p, NULL, 0, 0);
- else
- gv_post_event(sc, GV_EVENT_PARITY_CHECK, p, NULL, 0, 0);
-}
-
-static struct g_geom *
-gv_taste(struct g_class *mp, struct g_provider *pp, int flags __unused)
-{
- struct g_geom *gp;
- struct g_consumer *cp;
- struct gv_softc *sc;
- struct gv_hdr vhdr;
- int error;
-
- g_topology_assert();
- g_trace(G_T_TOPOLOGY, "gv_taste(%s, %s)", mp->name, pp->name);
-
- gp = LIST_FIRST(&mp->geom);
- if (gp == NULL) {
- G_VINUM_DEBUG(0, "error: tasting, but not initialized?");
- return (NULL);
- }
- sc = gp->softc;
-
- cp = g_new_consumer(gp);
- cp->flags |= G_CF_DIRECT_SEND | G_CF_DIRECT_RECEIVE;
- if (g_attach(cp, pp) != 0) {
- g_destroy_consumer(cp);
- return (NULL);
- }
- if (g_access(cp, 1, 0, 0) != 0) {
- g_detach(cp);
- g_destroy_consumer(cp);
- return (NULL);
- }
- g_topology_unlock();
-
- error = gv_read_header(cp, &vhdr);
-
- g_topology_lock();
- g_access(cp, -1, 0, 0);
- g_detach(cp);
- g_destroy_consumer(cp);
-
- /* Check if what we've been given is a valid vinum drive. */
- if (!error)
- gv_post_event(sc, GV_EVENT_DRIVE_TASTED, pp, NULL, 0, 0);
-
- return (NULL);
-}
-
-void
-gv_worker(void *arg)
-{
- struct g_provider *pp;
- struct gv_softc *sc;
- struct gv_event *ev;
- struct gv_volume *v;
- struct gv_plex *p;
- struct gv_sd *s;
- struct gv_drive *d;
- struct bio *bp;
- int newstate, flags, err, rename;
- char *newname;
- off_t offset;
-
- sc = arg;
- KASSERT(sc != NULL, ("NULL sc"));
- for (;;) {
- /* Look at the events first... */
- ev = gv_get_event(sc);
- if (ev != NULL) {
- gv_remove_event(sc, ev);
-
- switch (ev->type) {
- case GV_EVENT_DRIVE_TASTED:
- G_VINUM_DEBUG(2, "event 'drive tasted'");
- pp = ev->arg1;
- gv_drive_tasted(sc, pp);
- break;
-
- case GV_EVENT_DRIVE_LOST:
- G_VINUM_DEBUG(2, "event 'drive lost'");
- d = ev->arg1;
- gv_drive_lost(sc, d);
- break;
-
- case GV_EVENT_CREATE_DRIVE:
- G_VINUM_DEBUG(2, "event 'create drive'");
- d = ev->arg1;
- gv_create_drive(sc, d);
- break;
-
- case GV_EVENT_CREATE_VOLUME:
- G_VINUM_DEBUG(2, "event 'create volume'");
- v = ev->arg1;
- gv_create_volume(sc, v);
- break;
-
- case GV_EVENT_CREATE_PLEX:
- G_VINUM_DEBUG(2, "event 'create plex'");
- p = ev->arg1;
- gv_create_plex(sc, p);
- break;
-
- case GV_EVENT_CREATE_SD:
- G_VINUM_DEBUG(2, "event 'create sd'");
- s = ev->arg1;
- gv_create_sd(sc, s);
- break;
-
- case GV_EVENT_RM_DRIVE:
- G_VINUM_DEBUG(2, "event 'remove drive'");
- d = ev->arg1;
- flags = ev->arg3;
- gv_rm_drive(sc, d, flags);
- /*gv_setup_objects(sc);*/
- break;
-
- case GV_EVENT_RM_VOLUME:
- G_VINUM_DEBUG(2, "event 'remove volume'");
- v = ev->arg1;
- gv_rm_vol(sc, v);
- /*gv_setup_objects(sc);*/
- break;
-
- case GV_EVENT_RM_PLEX:
- G_VINUM_DEBUG(2, "event 'remove plex'");
- p = ev->arg1;
- gv_rm_plex(sc, p);
- /*gv_setup_objects(sc);*/
- break;
-
- case GV_EVENT_RM_SD:
- G_VINUM_DEBUG(2, "event 'remove sd'");
- s = ev->arg1;
- gv_rm_sd(sc, s);
- /*gv_setup_objects(sc);*/
- break;
-
- case GV_EVENT_SAVE_CONFIG:
- G_VINUM_DEBUG(2, "event 'save config'");
- gv_save_config(sc);
- break;
-
- case GV_EVENT_SET_SD_STATE:
- G_VINUM_DEBUG(2, "event 'setstate sd'");
- s = ev->arg1;
- newstate = ev->arg3;
- flags = ev->arg4;
- err = gv_set_sd_state(s, newstate, flags);
- if (err)
- G_VINUM_DEBUG(0, "error setting subdisk"
- " state: error code %d", err);
- break;
-
- case GV_EVENT_SET_DRIVE_STATE:
- G_VINUM_DEBUG(2, "event 'setstate drive'");
- d = ev->arg1;
- newstate = ev->arg3;
- flags = ev->arg4;
- err = gv_set_drive_state(d, newstate, flags);
- if (err)
- G_VINUM_DEBUG(0, "error setting drive "
- "state: error code %d", err);
- break;
-
- case GV_EVENT_SET_VOL_STATE:
- G_VINUM_DEBUG(2, "event 'setstate volume'");
- v = ev->arg1;
- newstate = ev->arg3;
- flags = ev->arg4;
- err = gv_set_vol_state(v, newstate, flags);
- if (err)
- G_VINUM_DEBUG(0, "error setting volume "
- "state: error code %d", err);
- break;
-
- case GV_EVENT_SET_PLEX_STATE:
- G_VINUM_DEBUG(2, "event 'setstate plex'");
- p = ev->arg1;
- newstate = ev->arg3;
- flags = ev->arg4;
- err = gv_set_plex_state(p, newstate, flags);
- if (err)
- G_VINUM_DEBUG(0, "error setting plex "
- "state: error code %d", err);
- break;
-
- case GV_EVENT_SETUP_OBJECTS:
- G_VINUM_DEBUG(2, "event 'setup objects'");
- gv_setup_objects(sc);
- break;
-
- case GV_EVENT_RESET_CONFIG:
- G_VINUM_DEBUG(2, "event 'resetconfig'");
- err = gv_resetconfig(sc);
- if (err)
- G_VINUM_DEBUG(0, "error resetting "
- "config: error code %d", err);
- break;
-
- case GV_EVENT_PARITY_REBUILD:
- /*
- * Start the rebuild. The gv_plex_done will
- * handle issuing of the remaining rebuild bio's
- * until it's finished.
- */
- G_VINUM_DEBUG(2, "event 'rebuild'");
- p = ev->arg1;
- if (p->state != GV_PLEX_UP) {
- G_VINUM_DEBUG(0, "plex %s is not "
- "completely accessible", p->name);
- break;
- }
- if (p->flags & GV_PLEX_SYNCING ||
- p->flags & GV_PLEX_REBUILDING ||
- p->flags & GV_PLEX_GROWING) {
- G_VINUM_DEBUG(0, "plex %s is busy with "
- "syncing or parity build", p->name);
- break;
- }
- p->synced = 0;
- p->flags |= GV_PLEX_REBUILDING;
- g_topology_assert_not();
- g_topology_lock();
- err = gv_access(p->vol_sc->provider, 1, 1, 0);
- if (err) {
- G_VINUM_DEBUG(0, "unable to access "
- "provider");
- break;
- }
- g_topology_unlock();
- gv_parity_request(p, GV_BIO_CHECK |
- GV_BIO_PARITY, 0);
- break;
-
- case GV_EVENT_PARITY_CHECK:
- /* Start parity check. */
- G_VINUM_DEBUG(2, "event 'check'");
- p = ev->arg1;
- if (p->state != GV_PLEX_UP) {
- G_VINUM_DEBUG(0, "plex %s is not "
- "completely accessible", p->name);
- break;
- }
- if (p->flags & GV_PLEX_SYNCING ||
- p->flags & GV_PLEX_REBUILDING ||
- p->flags & GV_PLEX_GROWING) {
- G_VINUM_DEBUG(0, "plex %s is busy with "
- "syncing or parity build", p->name);
- break;
- }
- p->synced = 0;
- g_topology_assert_not();
- g_topology_lock();
- err = gv_access(p->vol_sc->provider, 1, 1, 0);
- if (err) {
- G_VINUM_DEBUG(0, "unable to access "
- "provider");
- break;
- }
- g_topology_unlock();
- gv_parity_request(p, GV_BIO_CHECK, 0);
- break;
-
- case GV_EVENT_START_PLEX:
- G_VINUM_DEBUG(2, "event 'start' plex");
- p = ev->arg1;
- gv_start_plex(p);
- break;
-
- case GV_EVENT_START_VOLUME:
- G_VINUM_DEBUG(2, "event 'start' volume");
- v = ev->arg1;
- gv_start_vol(v);
- break;
-
- case GV_EVENT_ATTACH_PLEX:
- G_VINUM_DEBUG(2, "event 'attach' plex");
- p = ev->arg1;
- v = ev->arg2;
- rename = ev->arg4;
- err = gv_attach_plex(p, v, rename);
- if (err)
- G_VINUM_DEBUG(0, "error attaching %s to"
- " %s: error code %d", p->name,
- v->name, err);
- break;
-
- case GV_EVENT_ATTACH_SD:
- G_VINUM_DEBUG(2, "event 'attach' sd");
- s = ev->arg1;
- p = ev->arg2;
- offset = ev->arg3;
- rename = ev->arg4;
- err = gv_attach_sd(s, p, offset, rename);
- if (err)
- G_VINUM_DEBUG(0, "error attaching %s to"
- " %s: error code %d", s->name,
- p->name, err);
- break;
-
- case GV_EVENT_DETACH_PLEX:
- G_VINUM_DEBUG(2, "event 'detach' plex");
- p = ev->arg1;
- flags = ev->arg3;
- err = gv_detach_plex(p, flags);
- if (err)
- G_VINUM_DEBUG(0, "error detaching %s: "
- "error code %d", p->name, err);
- break;
-
- case GV_EVENT_DETACH_SD:
- G_VINUM_DEBUG(2, "event 'detach' sd");
- s = ev->arg1;
- flags = ev->arg3;
- err = gv_detach_sd(s, flags);
- if (err)
- G_VINUM_DEBUG(0, "error detaching %s: "
- "error code %d", s->name, err);
- break;
-
- case GV_EVENT_RENAME_VOL:
- G_VINUM_DEBUG(2, "event 'rename' volume");
- v = ev->arg1;
- newname = ev->arg2;
- flags = ev->arg3;
- err = gv_rename_vol(sc, v, newname, flags);
- if (err)
- G_VINUM_DEBUG(0, "error renaming %s to "
- "%s: error code %d", v->name,
- newname, err);
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