2 * Copyright (c) 2008-2010 Rui Paulo
3 * Copyright (c) 2006 Marcel Moolenaar
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD$");
31 #include <sys/param.h>
44 static zfsinfo_list_t zfsinfo;
49 efizfs_get_zfsinfo_list(void)
55 efizfs_get_handle_by_guid(uint64_t guid)
59 STAILQ_FOREACH(zi, &zfsinfo, zi_link) {
60 if (zi->zi_pool_guid == guid) {
61 return (zi->zi_handle);
68 insert_zfs(EFI_HANDLE handle, uint64_t guid)
72 zi = malloc(sizeof(zfsinfo_t));
73 zi->zi_handle = handle;
74 zi->zi_pool_guid = guid;
75 STAILQ_INSERT_TAIL(&zfsinfo, zi, zi_link);
82 pdinfo_t *hd, *pd = NULL;
83 char devname[SPECNAMELEN + 1];
86 hdi = efiblk_get_pdinfo_list(&efipart_hddev);
87 STAILQ_INIT(&zfsinfo);
90 * Find the handle for the boot device. The boot1 did find the
91 * device with loader binary, now we need to search for the
92 * same device and if it is part of the zfs pool, we record the
93 * pool GUID for currdev setup.
95 STAILQ_FOREACH(hd, hdi, pd_link) {
96 STAILQ_FOREACH(pd, &hd->pd_part, pd_link) {
98 snprintf(devname, sizeof(devname), "%s%dp%d:",
99 efipart_hddev.dv_name, hd->pd_unit, pd->pd_unit);
101 if (zfs_probe_dev(devname, &guid) == 0) {
102 insert_zfs(pd->pd_handle, guid);
104 if (efi_zfs_is_preferred(pd->pd_handle))