/*- * Copyright (c) 2010 Alexander Motin * 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 THE AUTHORS 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 THE AUTHORS 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 __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "g_raid_md_if.h" static struct g_raid_softc * g_raid_find_node(struct g_class *mp, const char *name) { struct g_raid_softc *sc; struct g_geom *gp; struct g_provider *pp; struct g_raid_volume *vol; /* Look for geom with specified name. */ LIST_FOREACH(gp, &mp->geom, geom) { sc = gp->softc; if (sc == NULL) continue; if (sc->sc_stopping != 0) continue; if (strcasecmp(sc->sc_name, name) == 0) return (sc); } /* Look for provider with specified name. */ LIST_FOREACH(gp, &mp->geom, geom) { sc = gp->softc; if (sc == NULL) continue; if (sc->sc_stopping != 0) continue; LIST_FOREACH(pp, &gp->provider, provider) { if (strcmp(pp->name, name) == 0) return (sc); if (strncmp(pp->name, "raid/", 5) == 0 && strcmp(pp->name + 5, name) == 0) return (sc); } } /* Look for volume with specified name. */ LIST_FOREACH(gp, &mp->geom, geom) { sc = gp->softc; if (sc == NULL) continue; if (sc->sc_stopping != 0) continue; TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) { if (strcmp(vol->v_name, name) == 0) return (sc); } } return (NULL); } static void g_raid_ctl_label(struct gctl_req *req, struct g_class *mp) { struct g_geom *geom; struct g_raid_softc *sc; const char *format; int *nargs; int crstatus, ctlstatus; char buf[64]; nargs = gctl_get_paraml(req, "nargs", sizeof(*nargs)); if (nargs == NULL) { gctl_error(req, "No '%s' argument.", "nargs"); return; } if (*nargs < 4) { gctl_error(req, "Invalid number of arguments."); return; } format = gctl_get_asciiparam(req, "arg0"); if (format == NULL) { gctl_error(req, "No format recieved."); return; } crstatus = g_raid_create_node_format(format, req, &geom); if (crstatus == G_RAID_MD_TASTE_FAIL) { gctl_error(req, "Failed to create array with format '%s'.", format); return; } sc = (struct g_raid_softc *)geom->softc; g_topology_unlock(); sx_xlock(&sc->sc_lock); ctlstatus = G_RAID_MD_CTL(sc->sc_md, req); if (ctlstatus < 0) { gctl_error(req, "Command failed: %d.", ctlstatus); if (crstatus == G_RAID_MD_TASTE_NEW) g_raid_destroy_node(sc, 0); } else { if (crstatus == G_RAID_MD_TASTE_NEW) snprintf(buf, sizeof(buf), "%s created\n", sc->sc_name); else snprintf(buf, sizeof(buf), "%s reused\n", sc->sc_name); gctl_set_param_err(req, "output", buf, strlen(buf) + 1); } sx_xunlock(&sc->sc_lock); g_topology_lock(); } static void g_raid_ctl_stop(struct gctl_req *req, struct g_class *mp) { struct g_raid_softc *sc; const char *nodename; int *nargs, *force; int error, how; nargs = gctl_get_paraml(req, "nargs", sizeof(*nargs)); if (nargs == NULL) { gctl_error(req, "No '%s' argument.", "nargs"); return; } if (*nargs != 1) { gctl_error(req, "Invalid number of arguments."); return; } nodename = gctl_get_asciiparam(req, "arg0"); if (nodename == NULL) { gctl_error(req, "No array name recieved."); return; } sc = g_raid_find_node(mp, nodename); if (sc == NULL) { gctl_error(req, "Array '%s' not found.", nodename); return; } force = gctl_get_paraml(req, "force", sizeof(*force)); if (force != NULL && *force) how = G_RAID_DESTROY_HARD; else how = G_RAID_DESTROY_SOFT; g_topology_unlock(); sx_xlock(&sc->sc_lock); error = g_raid_destroy(sc, how); if (error != 0) sx_xunlock(&sc->sc_lock); g_topology_lock(); } static void g_raid_ctl_other(struct gctl_req *req, struct g_class *mp) { struct g_raid_softc *sc; const char *nodename; int *nargs; int ctlstatus; nargs = gctl_get_paraml(req, "nargs", sizeof(*nargs)); if (nargs == NULL) { gctl_error(req, "No '%s' argument.", "nargs"); return; } if (*nargs < 1) { gctl_error(req, "Invalid number of arguments."); return; } nodename = gctl_get_asciiparam(req, "arg0"); if (nodename == NULL) { gctl_error(req, "No array name recieved."); return; } sc = g_raid_find_node(mp, nodename); if (sc == NULL) { gctl_error(req, "Array '%s' not found.", nodename); return; } g_topology_unlock(); sx_xlock(&sc->sc_lock); if (sc->sc_md != NULL) { ctlstatus = G_RAID_MD_CTL(sc->sc_md, req); if (ctlstatus < 0) gctl_error(req, "Command failed: %d.", ctlstatus); } sx_xunlock(&sc->sc_lock); g_topology_lock(); } void g_raid_ctl(struct gctl_req *req, struct g_class *mp, const char *verb) { uint32_t *version; g_topology_assert(); version = gctl_get_paraml(req, "version", sizeof(*version)); if (version == NULL) { gctl_error(req, "No '%s' argument.", "version"); return; } if (*version != G_RAID_VERSION) { gctl_error(req, "Userland and kernel parts are out of sync."); return; } if (strcmp(verb, "label") == 0) g_raid_ctl_label(req, mp); else if (strcmp(verb, "stop") == 0) g_raid_ctl_stop(req, mp); else g_raid_ctl_other(req, mp); }