g_raid3_ctl.c revision 156878
1133808Spjd/*- 2156878Spjd * Copyright (c) 2004-2006 Pawel Jakub Dawidek <pjd@FreeBSD.org> 3133808Spjd * All rights reserved. 4133808Spjd * 5133808Spjd * Redistribution and use in source and binary forms, with or without 6133808Spjd * modification, are permitted provided that the following conditions 7133808Spjd * are met: 8133808Spjd * 1. Redistributions of source code must retain the above copyright 9133808Spjd * notice, this list of conditions and the following disclaimer. 10133808Spjd * 2. Redistributions in binary form must reproduce the above copyright 11133808Spjd * notice, this list of conditions and the following disclaimer in the 12133808Spjd * documentation and/or other materials provided with the distribution. 13155174Spjd * 14133808Spjd * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 15133808Spjd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16133808Spjd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17133808Spjd * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 18133808Spjd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19133808Spjd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20133808Spjd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21133808Spjd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22133808Spjd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23133808Spjd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24133808Spjd * SUCH DAMAGE. 25133808Spjd */ 26133808Spjd 27133808Spjd#include <sys/cdefs.h> 28133808Spjd__FBSDID("$FreeBSD: head/sys/geom/raid3/g_raid3_ctl.c 156878 2006-03-19 12:55:51Z pjd $"); 29133808Spjd 30133808Spjd#include <sys/param.h> 31133808Spjd#include <sys/systm.h> 32133808Spjd#include <sys/kernel.h> 33133808Spjd#include <sys/module.h> 34133808Spjd#include <sys/lock.h> 35133808Spjd#include <sys/mutex.h> 36133808Spjd#include <sys/bio.h> 37133808Spjd#include <sys/sysctl.h> 38133808Spjd#include <sys/malloc.h> 39133808Spjd#include <sys/bitstring.h> 40133808Spjd#include <vm/uma.h> 41133808Spjd#include <machine/atomic.h> 42133808Spjd#include <geom/geom.h> 43133808Spjd#include <sys/proc.h> 44133808Spjd#include <sys/kthread.h> 45133808Spjd#include <geom/raid3/g_raid3.h> 46133808Spjd 47133808Spjd 48133808Spjdstatic struct g_raid3_softc * 49133808Spjdg_raid3_find_device(struct g_class *mp, const char *name) 50133808Spjd{ 51133808Spjd struct g_raid3_softc *sc; 52133808Spjd struct g_geom *gp; 53133808Spjd 54156612Spjd g_topology_lock(); 55133808Spjd LIST_FOREACH(gp, &mp->geom, geom) { 56133808Spjd sc = gp->softc; 57133808Spjd if (sc == NULL) 58133808Spjd continue; 59133808Spjd if ((sc->sc_flags & G_RAID3_DEVICE_FLAG_DESTROY) != 0) 60133808Spjd continue; 61133808Spjd if (strcmp(gp->name, name) == 0 || 62133808Spjd strcmp(sc->sc_name, name) == 0) { 63156612Spjd g_topology_unlock(); 64156612Spjd sx_xlock(&sc->sc_lock); 65133808Spjd return (sc); 66133808Spjd } 67133808Spjd } 68156612Spjd g_topology_unlock(); 69133808Spjd return (NULL); 70133808Spjd} 71133808Spjd 72133808Spjdstatic struct g_raid3_disk * 73133808Spjdg_raid3_find_disk(struct g_raid3_softc *sc, const char *name) 74133808Spjd{ 75133808Spjd struct g_raid3_disk *disk; 76133808Spjd u_int n; 77133808Spjd 78156612Spjd sx_assert(&sc->sc_lock, SX_XLOCKED); 79133808Spjd for (n = 0; n < sc->sc_ndisks; n++) { 80133808Spjd disk = &sc->sc_disks[n]; 81133808Spjd if (disk->d_state == G_RAID3_DISK_STATE_NODISK) 82133808Spjd continue; 83133808Spjd if (disk->d_consumer == NULL) 84133808Spjd continue; 85133808Spjd if (disk->d_consumer->provider == NULL) 86133808Spjd continue; 87133808Spjd if (strcmp(disk->d_consumer->provider->name, name) == 0) 88133808Spjd return (disk); 89133808Spjd } 90133808Spjd return (NULL); 91133808Spjd} 92133808Spjd 93133808Spjdstatic void 94133808Spjdg_raid3_ctl_configure(struct gctl_req *req, struct g_class *mp) 95133808Spjd{ 96133808Spjd struct g_raid3_softc *sc; 97133808Spjd struct g_raid3_disk *disk; 98133808Spjd const char *name; 99134124Spjd int *nargs, do_sync = 0; 100134168Spjd int *autosync, *noautosync; 101134168Spjd int *round_robin, *noround_robin; 102134168Spjd int *verify, *noverify; 103133808Spjd u_int n; 104133808Spjd 105133808Spjd g_topology_assert(); 106133808Spjd nargs = gctl_get_paraml(req, "nargs", sizeof(*nargs)); 107144142Spjd if (nargs == NULL) { 108144142Spjd gctl_error(req, "No '%s' argument.", "nargs"); 109144142Spjd return; 110144142Spjd } 111133808Spjd if (*nargs != 1) { 112133808Spjd gctl_error(req, "Invalid number of arguments."); 113133808Spjd return; 114133808Spjd } 115133808Spjd autosync = gctl_get_paraml(req, "autosync", sizeof(*autosync)); 116133808Spjd if (autosync == NULL) { 117133808Spjd gctl_error(req, "No '%s' argument.", "autosync"); 118133808Spjd return; 119133808Spjd } 120133808Spjd noautosync = gctl_get_paraml(req, "noautosync", sizeof(*noautosync)); 121133808Spjd if (noautosync == NULL) { 122133808Spjd gctl_error(req, "No '%s' argument.", "noautosync"); 123133808Spjd return; 124133808Spjd } 125133808Spjd if (*autosync && *noautosync) { 126133808Spjd gctl_error(req, "'%s' and '%s' specified.", "autosync", 127133808Spjd "noautosync"); 128133808Spjd return; 129133808Spjd } 130134124Spjd round_robin = gctl_get_paraml(req, "round_robin", sizeof(*round_robin)); 131134124Spjd if (round_robin == NULL) { 132134124Spjd gctl_error(req, "No '%s' argument.", "round_robin"); 133134124Spjd return; 134134124Spjd } 135134124Spjd noround_robin = gctl_get_paraml(req, "noround_robin", 136134124Spjd sizeof(*noround_robin)); 137134124Spjd if (noround_robin == NULL) { 138134124Spjd gctl_error(req, "No '%s' argument.", "noround_robin"); 139134124Spjd return; 140134124Spjd } 141134124Spjd if (*round_robin && *noround_robin) { 142134124Spjd gctl_error(req, "'%s' and '%s' specified.", "round_robin", 143134124Spjd "noround_robin"); 144134124Spjd return; 145134124Spjd } 146134168Spjd verify = gctl_get_paraml(req, "verify", sizeof(*verify)); 147134168Spjd if (verify == NULL) { 148134168Spjd gctl_error(req, "No '%s' argument.", "verify"); 149134168Spjd return; 150134168Spjd } 151134168Spjd noverify = gctl_get_paraml(req, "noverify", sizeof(*noverify)); 152134168Spjd if (noverify == NULL) { 153134168Spjd gctl_error(req, "No '%s' argument.", "noverify"); 154134168Spjd return; 155134168Spjd } 156134168Spjd if (*verify && *noverify) { 157134168Spjd gctl_error(req, "'%s' and '%s' specified.", "verify", 158134168Spjd "noverify"); 159134168Spjd return; 160134168Spjd } 161134168Spjd if (!*autosync && !*noautosync && !*round_robin && !*noround_robin && 162134168Spjd !*verify && !*noverify) { 163134124Spjd gctl_error(req, "Nothing has changed."); 164134124Spjd return; 165134124Spjd } 166156612Spjd name = gctl_get_asciiparam(req, "arg0"); 167156612Spjd if (name == NULL) { 168156612Spjd gctl_error(req, "No 'arg%u' argument.", 0); 169156612Spjd return; 170156612Spjd } 171156612Spjd sc = g_raid3_find_device(mp, name); 172156612Spjd if (sc == NULL) { 173156612Spjd gctl_error(req, "No such device: %s.", name); 174156612Spjd return; 175156612Spjd } 176156612Spjd if (g_raid3_ndisks(sc, -1) < sc->sc_ndisks) { 177156612Spjd gctl_error(req, "Not all disks connected."); 178156612Spjd sx_xunlock(&sc->sc_lock); 179156612Spjd return; 180156612Spjd } 181133808Spjd if ((sc->sc_flags & G_RAID3_DEVICE_FLAG_NOAUTOSYNC) != 0) { 182133808Spjd if (*autosync) { 183133808Spjd sc->sc_flags &= ~G_RAID3_DEVICE_FLAG_NOAUTOSYNC; 184133808Spjd do_sync = 1; 185133808Spjd } 186133808Spjd } else { 187133808Spjd if (*noautosync) 188133808Spjd sc->sc_flags |= G_RAID3_DEVICE_FLAG_NOAUTOSYNC; 189133808Spjd } 190134168Spjd if ((sc->sc_flags & G_RAID3_DEVICE_FLAG_VERIFY) != 0) { 191134168Spjd if (*noverify) 192134168Spjd sc->sc_flags &= ~G_RAID3_DEVICE_FLAG_VERIFY; 193134168Spjd } else { 194134168Spjd if (*verify) 195134168Spjd sc->sc_flags |= G_RAID3_DEVICE_FLAG_VERIFY; 196134168Spjd } 197134124Spjd if ((sc->sc_flags & G_RAID3_DEVICE_FLAG_ROUND_ROBIN) != 0) { 198134124Spjd if (*noround_robin) 199134124Spjd sc->sc_flags &= ~G_RAID3_DEVICE_FLAG_ROUND_ROBIN; 200134124Spjd } else { 201134124Spjd if (*round_robin) 202134124Spjd sc->sc_flags |= G_RAID3_DEVICE_FLAG_ROUND_ROBIN; 203134124Spjd } 204134168Spjd if ((sc->sc_flags & G_RAID3_DEVICE_FLAG_VERIFY) != 0 && 205134168Spjd (sc->sc_flags & G_RAID3_DEVICE_FLAG_ROUND_ROBIN) != 0) { 206134168Spjd /* 207134168Spjd * VERIFY and ROUND-ROBIN options are mutally exclusive. 208134168Spjd */ 209134168Spjd sc->sc_flags &= ~G_RAID3_DEVICE_FLAG_ROUND_ROBIN; 210134168Spjd } 211133808Spjd for (n = 0; n < sc->sc_ndisks; n++) { 212133808Spjd disk = &sc->sc_disks[n]; 213133808Spjd if (do_sync) { 214133808Spjd if (disk->d_state == G_RAID3_DISK_STATE_SYNCHRONIZING) 215133808Spjd disk->d_flags &= ~G_RAID3_DISK_FLAG_FORCE_SYNC; 216133808Spjd } 217133808Spjd g_raid3_update_metadata(disk); 218133808Spjd if (do_sync) { 219133808Spjd if (disk->d_state == G_RAID3_DISK_STATE_STALE) { 220133808Spjd /* 221133808Spjd * XXX: This is probably possible that this 222133808Spjd * component will not be retasted. 223133808Spjd */ 224133808Spjd g_raid3_event_send(disk, 225133808Spjd G_RAID3_DISK_STATE_DISCONNECTED, 226133808Spjd G_RAID3_EVENT_DONTWAIT); 227133808Spjd } 228133808Spjd } 229133808Spjd } 230156612Spjd sx_xunlock(&sc->sc_lock); 231133808Spjd} 232133808Spjd 233133808Spjdstatic void 234133808Spjdg_raid3_ctl_rebuild(struct gctl_req *req, struct g_class *mp) 235133808Spjd{ 236139671Spjd struct g_raid3_metadata md; 237133808Spjd struct g_raid3_softc *sc; 238133808Spjd struct g_raid3_disk *disk; 239139671Spjd struct g_provider *pp; 240133808Spjd const char *name; 241139671Spjd int error, *nargs; 242133808Spjd 243133808Spjd nargs = gctl_get_paraml(req, "nargs", sizeof(*nargs)); 244133808Spjd if (nargs == NULL) { 245133808Spjd gctl_error(req, "No '%s' argument.", "nargs"); 246133808Spjd return; 247133808Spjd } 248133808Spjd if (*nargs != 2) { 249133808Spjd gctl_error(req, "Invalid number of arguments."); 250133808Spjd return; 251133808Spjd } 252133808Spjd name = gctl_get_asciiparam(req, "arg0"); 253133808Spjd if (name == NULL) { 254133808Spjd gctl_error(req, "No 'arg%u' argument.", 0); 255133808Spjd return; 256133808Spjd } 257133808Spjd sc = g_raid3_find_device(mp, name); 258133808Spjd if (sc == NULL) { 259133808Spjd gctl_error(req, "No such device: %s.", name); 260133808Spjd return; 261133808Spjd } 262133808Spjd name = gctl_get_asciiparam(req, "arg1"); 263133808Spjd if (name == NULL) { 264133808Spjd gctl_error(req, "No 'arg%u' argument.", 1); 265156612Spjd sx_xunlock(&sc->sc_lock); 266133808Spjd return; 267133808Spjd } 268133808Spjd disk = g_raid3_find_disk(sc, name); 269133808Spjd if (disk == NULL) { 270133808Spjd gctl_error(req, "No such provider: %s.", name); 271156612Spjd sx_xunlock(&sc->sc_lock); 272133808Spjd return; 273133808Spjd } 274133808Spjd if (disk->d_state == G_RAID3_DISK_STATE_ACTIVE && 275133808Spjd g_raid3_ndisks(sc, G_RAID3_DISK_STATE_ACTIVE) < sc->sc_ndisks) { 276133808Spjd gctl_error(req, "There is one stale disk already.", name); 277156612Spjd sx_xunlock(&sc->sc_lock); 278133808Spjd return; 279133808Spjd } 280133808Spjd /* 281133808Spjd * Do rebuild by resetting syncid and disconnecting disk. 282133808Spjd * It'll be retasted, connected to the device and synchronized. 283133808Spjd */ 284133808Spjd disk->d_sync.ds_syncid = 0; 285133808Spjd if ((sc->sc_flags & G_RAID3_DEVICE_FLAG_NOAUTOSYNC) != 0) 286133808Spjd disk->d_flags |= G_RAID3_DISK_FLAG_FORCE_SYNC; 287133808Spjd g_raid3_update_metadata(disk); 288139671Spjd pp = disk->d_consumer->provider; 289156612Spjd g_topology_lock(); 290139671Spjd error = g_raid3_read_metadata(disk->d_consumer, &md); 291156612Spjd g_topology_unlock(); 292133808Spjd g_raid3_event_send(disk, G_RAID3_DISK_STATE_DISCONNECTED, 293133808Spjd G_RAID3_EVENT_WAIT); 294139671Spjd if (error != 0) { 295139671Spjd gctl_error(req, "Cannot read metadata from %s.", pp->name); 296156612Spjd sx_xunlock(&sc->sc_lock); 297139671Spjd return; 298139671Spjd } 299139671Spjd error = g_raid3_add_disk(sc, pp, &md); 300156612Spjd if (error != 0) 301139671Spjd gctl_error(req, "Cannot reconnect component %s.", pp->name); 302156612Spjd sx_xunlock(&sc->sc_lock); 303133808Spjd} 304133808Spjd 305133808Spjdstatic void 306133808Spjdg_raid3_ctl_stop(struct gctl_req *req, struct g_class *mp) 307133808Spjd{ 308133808Spjd struct g_raid3_softc *sc; 309133808Spjd int *force, *nargs, error; 310133808Spjd const char *name; 311133808Spjd char param[16]; 312133808Spjd u_int i; 313133808Spjd 314133808Spjd nargs = gctl_get_paraml(req, "nargs", sizeof(*nargs)); 315133808Spjd if (nargs == NULL) { 316133808Spjd gctl_error(req, "No '%s' argument.", "nargs"); 317133808Spjd return; 318133808Spjd } 319133808Spjd if (*nargs < 1) { 320133808Spjd gctl_error(req, "Missing device(s)."); 321133808Spjd return; 322133808Spjd } 323133808Spjd force = gctl_get_paraml(req, "force", sizeof(*force)); 324133808Spjd if (force == NULL) { 325133808Spjd gctl_error(req, "No '%s' argument.", "force"); 326133808Spjd return; 327133808Spjd } 328133808Spjd 329133808Spjd for (i = 0; i < (u_int)*nargs; i++) { 330133808Spjd snprintf(param, sizeof(param), "arg%u", i); 331133808Spjd name = gctl_get_asciiparam(req, param); 332133808Spjd if (name == NULL) { 333133808Spjd gctl_error(req, "No 'arg%u' argument.", i); 334133808Spjd return; 335133808Spjd } 336133808Spjd sc = g_raid3_find_device(mp, name); 337133808Spjd if (sc == NULL) { 338133808Spjd gctl_error(req, "No such device: %s.", name); 339133808Spjd return; 340133808Spjd } 341133808Spjd error = g_raid3_destroy(sc, *force); 342133808Spjd if (error != 0) { 343133808Spjd gctl_error(req, "Cannot destroy device %s (error=%d).", 344133808Spjd sc->sc_geom->name, error); 345156612Spjd sx_xunlock(&sc->sc_lock); 346133808Spjd return; 347133808Spjd } 348156612Spjd /* No need to unlock, because lock is already dead. */ 349133808Spjd } 350133808Spjd} 351133808Spjd 352133808Spjdstatic void 353133808Spjdg_raid3_ctl_insert_orphan(struct g_consumer *cp) 354133808Spjd{ 355133808Spjd 356133808Spjd KASSERT(1 == 0, ("%s called while inserting %s.", __func__, 357133808Spjd cp->provider->name)); 358133808Spjd} 359133808Spjd 360133808Spjdstatic void 361133808Spjdg_raid3_ctl_insert(struct gctl_req *req, struct g_class *mp) 362133808Spjd{ 363133808Spjd struct g_raid3_metadata md; 364133808Spjd struct g_raid3_softc *sc; 365133808Spjd struct g_raid3_disk *disk; 366133808Spjd struct g_geom *gp; 367133808Spjd struct g_provider *pp; 368133808Spjd struct g_consumer *cp; 369133808Spjd const char *name; 370133808Spjd u_char *sector; 371134420Spjd off_t compsize; 372133808Spjd intmax_t *no; 373133808Spjd int *hardcode, *nargs, error; 374133808Spjd 375133808Spjd nargs = gctl_get_paraml(req, "nargs", sizeof(*nargs)); 376133808Spjd if (nargs == NULL) { 377133808Spjd gctl_error(req, "No '%s' argument.", "nargs"); 378133808Spjd return; 379133808Spjd } 380133808Spjd if (*nargs != 2) { 381133808Spjd gctl_error(req, "Invalid number of arguments."); 382133808Spjd return; 383133808Spjd } 384156612Spjd hardcode = gctl_get_paraml(req, "hardcode", sizeof(*hardcode)); 385156612Spjd if (hardcode == NULL) { 386156612Spjd gctl_error(req, "No '%s' argument.", "hardcode"); 387133808Spjd return; 388133808Spjd } 389156612Spjd name = gctl_get_asciiparam(req, "arg1"); 390156612Spjd if (name == NULL) { 391156612Spjd gctl_error(req, "No 'arg%u' argument.", 1); 392133808Spjd return; 393133808Spjd } 394133808Spjd no = gctl_get_paraml(req, "number", sizeof(*no)); 395133808Spjd if (no == NULL) { 396133808Spjd gctl_error(req, "No '%s' argument.", "no"); 397133808Spjd return; 398133808Spjd } 399156612Spjd g_topology_lock(); 400156612Spjd pp = g_provider_by_name(name); 401156612Spjd if (pp == NULL) { 402156612Spjd g_topology_unlock(); 403156612Spjd gctl_error(req, "Invalid provider."); 404156612Spjd return; 405156612Spjd } 406156612Spjd gp = g_new_geomf(mp, "raid3:insert"); 407156612Spjd gp->orphan = g_raid3_ctl_insert_orphan; 408156612Spjd cp = g_new_consumer(gp); 409156612Spjd error = g_attach(cp, pp); 410156612Spjd if (error != 0) { 411156612Spjd g_topology_unlock(); 412156612Spjd gctl_error(req, "Cannot attach to %s.", pp->name); 413156612Spjd goto end; 414156612Spjd } 415156612Spjd error = g_access(cp, 0, 1, 1); 416156612Spjd if (error != 0) { 417156612Spjd g_topology_unlock(); 418156612Spjd gctl_error(req, "Cannot access %s.", pp->name); 419156612Spjd goto end; 420156612Spjd } 421156612Spjd g_topology_unlock(); 422156612Spjd name = gctl_get_asciiparam(req, "arg0"); 423156612Spjd if (name == NULL) { 424156612Spjd gctl_error(req, "No 'arg%u' argument.", 0); 425156612Spjd goto end; 426156612Spjd } 427156612Spjd sc = g_raid3_find_device(mp, name); 428156612Spjd if (sc == NULL) { 429156612Spjd gctl_error(req, "No such device: %s.", name); 430156612Spjd goto end; 431156612Spjd } 432133808Spjd if (*no >= sc->sc_ndisks) { 433156612Spjd sx_xunlock(&sc->sc_lock); 434133808Spjd gctl_error(req, "Invalid component number."); 435156612Spjd goto end; 436133808Spjd } 437133808Spjd disk = &sc->sc_disks[*no]; 438133808Spjd if (disk->d_state != G_RAID3_DISK_STATE_NODISK) { 439156612Spjd sx_xunlock(&sc->sc_lock); 440133808Spjd gctl_error(req, "Component %u is already connected.", *no); 441156612Spjd goto end; 442133808Spjd } 443133808Spjd if (((sc->sc_sectorsize / (sc->sc_ndisks - 1)) % pp->sectorsize) != 0) { 444156612Spjd sx_xunlock(&sc->sc_lock); 445133808Spjd gctl_error(req, 446133808Spjd "Cannot insert provider %s, because of its sector size.", 447133808Spjd pp->name); 448156612Spjd goto end; 449133808Spjd } 450134420Spjd compsize = sc->sc_mediasize / (sc->sc_ndisks - 1); 451134420Spjd if (compsize > pp->mediasize - pp->sectorsize) { 452156612Spjd sx_xunlock(&sc->sc_lock); 453134420Spjd gctl_error(req, "Provider %s too small.", pp->name); 454156612Spjd goto end; 455134420Spjd } 456134420Spjd if (compsize < pp->mediasize - pp->sectorsize) { 457134420Spjd gctl_error(req, 458134420Spjd "warning: %s: only %jd bytes from %jd bytes used.", 459134420Spjd pp->name, (intmax_t)compsize, 460134420Spjd (intmax_t)(pp->mediasize - pp->sectorsize)); 461134420Spjd } 462133808Spjd g_raid3_fill_metadata(disk, &md); 463156612Spjd sx_xunlock(&sc->sc_lock); 464133808Spjd md.md_syncid = 0; 465133808Spjd md.md_dflags = 0; 466133808Spjd if (*hardcode) 467133808Spjd strlcpy(md.md_provider, pp->name, sizeof(md.md_provider)); 468133808Spjd else 469133808Spjd bzero(md.md_provider, sizeof(md.md_provider)); 470156527Spjd md.md_provsize = pp->mediasize; 471133808Spjd sector = g_malloc(pp->sectorsize, M_WAITOK); 472133808Spjd raid3_metadata_encode(&md, sector); 473133808Spjd error = g_write_data(cp, pp->mediasize - pp->sectorsize, sector, 474133808Spjd pp->sectorsize); 475133808Spjd g_free(sector); 476133808Spjd if (error != 0) 477133808Spjd gctl_error(req, "Cannot store metadata on %s.", pp->name); 478133808Spjdend: 479156612Spjd g_topology_lock(); 480146118Spjd if (cp->acw > 0) 481146118Spjd g_access(cp, 0, -1, -1); 482146118Spjd if (cp->provider != NULL) 483146118Spjd g_detach(cp); 484146118Spjd g_destroy_consumer(cp); 485146117Spjd g_destroy_geom(gp); 486156612Spjd g_topology_unlock(); 487133808Spjd} 488133808Spjd 489133808Spjdstatic void 490133808Spjdg_raid3_ctl_remove(struct gctl_req *req, struct g_class *mp) 491133808Spjd{ 492133808Spjd struct g_raid3_softc *sc; 493133808Spjd struct g_raid3_disk *disk; 494133808Spjd const char *name; 495133808Spjd intmax_t *no; 496133808Spjd int *nargs; 497133808Spjd 498133808Spjd nargs = gctl_get_paraml(req, "nargs", sizeof(*nargs)); 499133808Spjd if (nargs == NULL) { 500133808Spjd gctl_error(req, "No '%s' argument.", "nargs"); 501133808Spjd return; 502133808Spjd } 503133808Spjd if (*nargs != 1) { 504133808Spjd gctl_error(req, "Invalid number of arguments."); 505133808Spjd return; 506133808Spjd } 507156612Spjd no = gctl_get_paraml(req, "number", sizeof(*no)); 508156612Spjd if (no == NULL) { 509156612Spjd gctl_error(req, "No '%s' argument.", "no"); 510156612Spjd return; 511156612Spjd } 512133808Spjd name = gctl_get_asciiparam(req, "arg0"); 513133808Spjd if (name == NULL) { 514133808Spjd gctl_error(req, "No 'arg%u' argument.", 0); 515133808Spjd return; 516133808Spjd } 517133808Spjd sc = g_raid3_find_device(mp, name); 518133808Spjd if (sc == NULL) { 519133808Spjd gctl_error(req, "No such device: %s.", name); 520133808Spjd return; 521133808Spjd } 522133808Spjd if (*no >= sc->sc_ndisks) { 523156612Spjd sx_xunlock(&sc->sc_lock); 524133808Spjd gctl_error(req, "Invalid component number."); 525133808Spjd return; 526133808Spjd } 527133808Spjd disk = &sc->sc_disks[*no]; 528133808Spjd switch (disk->d_state) { 529133808Spjd case G_RAID3_DISK_STATE_ACTIVE: 530133808Spjd /* 531133808Spjd * When replacing ACTIVE component, all the rest has to be also 532133808Spjd * ACTIVE. 533133808Spjd */ 534133808Spjd if (g_raid3_ndisks(sc, G_RAID3_DISK_STATE_ACTIVE) < 535133808Spjd sc->sc_ndisks) { 536133808Spjd gctl_error(req, "Cannot replace component number %u.", 537133808Spjd *no); 538156612Spjd break; 539133808Spjd } 540133808Spjd /* FALLTHROUGH */ 541133808Spjd case G_RAID3_DISK_STATE_STALE: 542133808Spjd case G_RAID3_DISK_STATE_SYNCHRONIZING: 543133808Spjd if (g_raid3_clear_metadata(disk) != 0) { 544133808Spjd gctl_error(req, "Cannot clear metadata on %s.", 545133808Spjd g_raid3_get_diskname(disk)); 546139295Spjd } else { 547139295Spjd g_raid3_event_send(disk, 548139295Spjd G_RAID3_DISK_STATE_DISCONNECTED, 549156612Spjd G_RAID3_EVENT_DONTWAIT); 550133808Spjd } 551133808Spjd break; 552133808Spjd case G_RAID3_DISK_STATE_NODISK: 553133808Spjd break; 554133808Spjd default: 555133808Spjd gctl_error(req, "Cannot replace component number %u.", *no); 556156612Spjd break; 557133808Spjd } 558156612Spjd sx_xunlock(&sc->sc_lock); 559133808Spjd} 560133808Spjd 561133808Spjdvoid 562133808Spjdg_raid3_config(struct gctl_req *req, struct g_class *mp, const char *verb) 563133808Spjd{ 564133808Spjd uint32_t *version; 565133808Spjd 566133808Spjd g_topology_assert(); 567133808Spjd 568133808Spjd version = gctl_get_paraml(req, "version", sizeof(*version)); 569133808Spjd if (version == NULL) { 570133808Spjd gctl_error(req, "No '%s' argument.", "version"); 571133808Spjd return; 572133808Spjd } 573133808Spjd if (*version != G_RAID3_VERSION) { 574133808Spjd gctl_error(req, "Userland and kernel parts are out of sync."); 575133808Spjd return; 576133808Spjd } 577133808Spjd 578156612Spjd g_topology_unlock(); 579133808Spjd if (strcmp(verb, "configure") == 0) 580133808Spjd g_raid3_ctl_configure(req, mp); 581133808Spjd else if (strcmp(verb, "insert") == 0) 582133808Spjd g_raid3_ctl_insert(req, mp); 583133808Spjd else if (strcmp(verb, "rebuild") == 0) 584133808Spjd g_raid3_ctl_rebuild(req, mp); 585133808Spjd else if (strcmp(verb, "remove") == 0) 586133808Spjd g_raid3_ctl_remove(req, mp); 587133808Spjd else if (strcmp(verb, "stop") == 0) 588133808Spjd g_raid3_ctl_stop(req, mp); 589133808Spjd else 590133808Spjd gctl_error(req, "Unknown verb."); 591156612Spjd g_topology_lock(); 592133808Spjd} 593