2 * Copyright (c) 2005 Chris Jones
5 * This software was developed for the FreeBSD Project by Chris Jones
6 * thanks to the support of Google's Summer of Code program and
7 * mentoring by Lukas Ertl.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
18 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 #include <sys/cdefs.h>
33 __FBSDID("$FreeBSD$");
35 #include <sys/libkern.h>
36 #include <sys/malloc.h>
38 #include <geom/geom.h>
39 #include <geom/vinum/geom_vinum_var.h>
40 #include <geom/vinum/geom_vinum.h>
43 gv_move(struct g_geom *gp, struct gctl_req *req)
48 char buf[20], *destination, *object;
49 int *argc, *flags, i, type;
53 argc = gctl_get_paraml(req, "argc", sizeof(*argc));
55 gctl_error(req, "no arguments given");
58 flags = gctl_get_paraml(req, "flags", sizeof(*flags));
60 gctl_error(req, "no flags given");
63 destination = gctl_get_param(req, "destination", NULL);
64 if (destination == NULL) {
65 gctl_error(req, "no destination given");
68 if (gv_object_type(sc, destination) != GV_TYPE_DRIVE) {
69 gctl_error(req, "destination '%s' is not a drive", destination);
72 d = gv_find_drive(sc, destination);
75 * We start with 1 here, because argv[0] on the command line is the
78 for (i = 1; i < *argc; i++) {
79 snprintf(buf, sizeof(buf), "argv%d", i);
80 object = gctl_get_param(req, buf, NULL);
84 type = gv_object_type(sc, object);
85 if (type != GV_TYPE_SD) {
86 gctl_error(req, "you can only move subdisks; "
87 "'%s' is not a subdisk", object);
91 s = gv_find_sd(sc, object);
93 gctl_error(req, "unknown subdisk '%s'", object);
96 gv_post_event(sc, GV_EVENT_MOVE_SD, s, d, *flags, 0);
100 /* Move a subdisk. */
102 gv_move_sd(struct gv_softc *sc, struct gv_sd *cursd,
103 struct gv_drive *destination, int flags)
106 struct gv_sd *newsd, *s, *s2;
111 KASSERT(cursd != NULL, ("gv_move_sd: NULL cursd"));
112 KASSERT(destination != NULL, ("gv_move_sd: NULL destination"));
116 if ((gv_consumer_is_open(d->consumer) ||
117 gv_consumer_is_open(destination->consumer)) &&
118 !(flags & GV_FLAG_F)) {
119 G_VINUM_DEBUG(0, "consumers on current and destination drive "
121 return (GV_ERR_ISBUSY);
124 if (!(flags & GV_FLAG_F)) {
125 G_VINUM_DEBUG(1, "-f flag not passed; move would be "
127 return (GV_ERR_INVFLAG);
130 if (destination == cursd->drive_sc) {
131 G_VINUM_DEBUG(1, "subdisk '%s' already on drive '%s'",
132 cursd->name, destination->name);
133 return (GV_ERR_ISATTACHED);
136 /* XXX: Does it have to be part of a plex? */
137 p = gv_find_plex(sc, cursd->plex);
139 G_VINUM_DEBUG(0, "subdisk '%s' is not part of a plex",
141 return (GV_ERR_NOTFOUND);
144 /* Stale the old subdisk. */
145 err = gv_set_sd_state(cursd, GV_SD_STALE,
146 GV_SETSTATE_FORCE | GV_SETSTATE_CONFIG);
148 G_VINUM_DEBUG(0, "unable to set the subdisk '%s' to state "
149 "'stale'", cursd->name);
154 * Create new subdisk. Ideally, we'd use gv_new_sd, but that requires
155 * us to create a string for it to parse, which is silly.
156 * TODO: maybe refactor gv_new_sd such that this is no longer the case.
158 newsd = g_malloc(sizeof(struct gv_sd), M_WAITOK | M_ZERO);
159 newsd->plex_offset = cursd->plex_offset;
160 newsd->size = cursd->size;
161 newsd->drive_offset = -1;
162 strlcpy(newsd->name, cursd->name, sizeof(newsd->name));
163 strlcpy(newsd->drive, destination->name, sizeof(newsd->drive));
164 strlcpy(newsd->plex, cursd->plex, sizeof(newsd->plex));
165 newsd->state = GV_SD_STALE;
166 newsd->vinumconf = cursd->vinumconf;
168 err = gv_sd_to_drive(newsd, destination);
170 /* XXX not enough free space? */
175 /* Replace the old sd by the new one. */
176 LIST_FOREACH_SAFE(s, &p->subdisks, in_plex, s2) {
181 gv_sd_to_plex(newsd, p);
182 LIST_INSERT_HEAD(&sc->subdisks, newsd, sd);
183 /* Update volume size of plex. */
184 if (p->vol_sc != NULL)
185 gv_update_vol_size(p->vol_sc, gv_vol_size(p->vol_sc));
186 gv_save_config(p->vinumconf);