2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2005 Chris Jones
7 * This software was developed for the FreeBSD Project by Chris Jones
8 * thanks to the support of Google's Summer of Code program and
9 * mentoring by Lukas Ertl.
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
20 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 #include <sys/cdefs.h>
35 __FBSDID("$FreeBSD$");
37 #include <sys/libkern.h>
38 #include <sys/malloc.h>
40 #include <geom/geom.h>
41 #include <geom/geom_dbg.h>
42 #include <geom/vinum/geom_vinum_var.h>
43 #include <geom/vinum/geom_vinum.h>
46 gv_move(struct g_geom *gp, struct gctl_req *req)
51 char buf[20], *destination, *object;
52 int *argc, *flags, i, type;
56 argc = gctl_get_paraml(req, "argc", sizeof(*argc));
58 gctl_error(req, "no arguments given");
61 flags = gctl_get_paraml(req, "flags", sizeof(*flags));
63 gctl_error(req, "no flags given");
66 destination = gctl_get_param(req, "destination", NULL);
67 if (destination == NULL) {
68 gctl_error(req, "no destination given");
71 if (gv_object_type(sc, destination) != GV_TYPE_DRIVE) {
72 gctl_error(req, "destination '%s' is not a drive", destination);
75 d = gv_find_drive(sc, destination);
78 * We start with 1 here, because argv[0] on the command line is the
81 for (i = 1; i < *argc; i++) {
82 snprintf(buf, sizeof(buf), "argv%d", i);
83 object = gctl_get_param(req, buf, NULL);
87 type = gv_object_type(sc, object);
88 if (type != GV_TYPE_SD) {
89 gctl_error(req, "you can only move subdisks; "
90 "'%s' is not a subdisk", object);
94 s = gv_find_sd(sc, object);
96 gctl_error(req, "unknown subdisk '%s'", object);
99 gv_post_event(sc, GV_EVENT_MOVE_SD, s, d, *flags, 0);
103 /* Move a subdisk. */
105 gv_move_sd(struct gv_softc *sc, struct gv_sd *cursd,
106 struct gv_drive *destination, int flags)
109 struct gv_sd *newsd, *s, *s2;
114 KASSERT(cursd != NULL, ("gv_move_sd: NULL cursd"));
115 KASSERT(destination != NULL, ("gv_move_sd: NULL destination"));
119 if ((gv_consumer_is_open(d->consumer) ||
120 gv_consumer_is_open(destination->consumer)) &&
121 !(flags & GV_FLAG_F)) {
122 G_VINUM_DEBUG(0, "consumers on current and destination drive "
124 return (GV_ERR_ISBUSY);
127 if (!(flags & GV_FLAG_F)) {
128 G_VINUM_DEBUG(1, "-f flag not passed; move would be "
130 return (GV_ERR_INVFLAG);
133 if (destination == cursd->drive_sc) {
134 G_VINUM_DEBUG(1, "subdisk '%s' already on drive '%s'",
135 cursd->name, destination->name);
136 return (GV_ERR_ISATTACHED);
139 /* XXX: Does it have to be part of a plex? */
140 p = gv_find_plex(sc, cursd->plex);
142 G_VINUM_DEBUG(0, "subdisk '%s' is not part of a plex",
144 return (GV_ERR_NOTFOUND);
147 /* Stale the old subdisk. */
148 err = gv_set_sd_state(cursd, GV_SD_STALE,
149 GV_SETSTATE_FORCE | GV_SETSTATE_CONFIG);
151 G_VINUM_DEBUG(0, "unable to set the subdisk '%s' to state "
152 "'stale'", cursd->name);
157 * Create new subdisk. Ideally, we'd use gv_new_sd, but that requires
158 * us to create a string for it to parse, which is silly.
159 * TODO: maybe refactor gv_new_sd such that this is no longer the case.
161 newsd = g_malloc(sizeof(struct gv_sd), M_WAITOK | M_ZERO);
162 newsd->plex_offset = cursd->plex_offset;
163 newsd->size = cursd->size;
164 newsd->drive_offset = -1;
165 strlcpy(newsd->name, cursd->name, sizeof(newsd->name));
166 strlcpy(newsd->drive, destination->name, sizeof(newsd->drive));
167 strlcpy(newsd->plex, cursd->plex, sizeof(newsd->plex));
168 newsd->state = GV_SD_STALE;
169 newsd->vinumconf = cursd->vinumconf;
171 err = gv_sd_to_drive(newsd, destination);
173 /* XXX not enough free space? */
178 /* Replace the old sd by the new one. */
179 LIST_FOREACH_SAFE(s, &p->subdisks, in_plex, s2) {
184 gv_sd_to_plex(newsd, p);
185 LIST_INSERT_HEAD(&sc->subdisks, newsd, sd);
186 /* Update volume size of plex. */
187 if (p->vol_sc != NULL)
188 gv_update_vol_size(p->vol_sc, gv_vol_size(p->vol_sc));
189 gv_save_config(p->vinumconf);