2 * Copyright (c) 2015 Allan Jude <allanjude@FreeBSD.org>
3 * Copyright (c) 2015 Xin LI <delphij@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <sys/types.h>
31 #include <cddl/compat/opensolaris/sys/types.h>
33 #include <cddl/compat/opensolaris/sys/time.h>
40 #include <libnvpair.h>
41 #include <sys/vdev_impl.h>
46 fstyp_zfs(FILE *fp, char *label, size_t labelsize)
48 vdev_label_t *vdev_label = NULL;
49 vdev_phys_t *vdev_phys;
50 char *zpool_name = NULL;
51 nvlist_t *config = NULL;
55 * Read in the first ZFS vdev label ("L0"), located at the beginning
56 * of the vdev and extract the pool name from it.
58 * TODO: the checksum of label should be validated.
60 vdev_label = (vdev_label_t *)read_buf(fp, 0, sizeof(*vdev_label));
61 if (vdev_label == NULL)
64 vdev_phys = &(vdev_label->vl_vdev_phys);
66 if ((nvlist_unpack(vdev_phys->vp_nvlist, sizeof(vdev_phys->vp_nvlist),
68 (nvlist_lookup_string(config, "name", &zpool_name) == 0)) {
69 strlcpy(label, zpool_name, labelsize);