2 * Copyright (c) 2018 Warner Losh <imp@freebd.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 AUTHOR 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 AUTHOR 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("$FreeBSD$");
31 * MD bootstrap main() and assorted miscellaneous
38 #include <sys/reboot.h>
40 #include "bootstrap.h"
42 #ifdef LOADER_ZFS_SUPPORT
43 #include "../zfs/libzfs.h"
46 COMMAND_SET(lszfs, "lszfs", "list child datasets of a zfs dataset",
50 command_lszfs(int argc, char *argv[])
55 command_errmsg = "a single dataset must be supplied";
59 err = zfs_list(argv[1]);
61 command_errmsg = strerror(err);
67 COMMAND_SET(reloadbe, "reloadbe", "refresh the list of ZFS Boot Environments",
71 command_reloadbe(int argc, char *argv[])
77 command_errmsg = "wrong number of arguments";
82 err = zfs_bootenv(argv[1]);
84 root = getenv("zfs_be_root");
86 /* There does not appear to be a ZFS pool here, exit without error */
89 err = zfs_bootenv(root);
93 command_errmsg = strerror(err);
101 ldi_get_size(void *priv)
103 int fd = (uintptr_t) priv;
106 ioctl(fd, DIOCGMEDIASIZE, &size);