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