2 * Copyright (c) 2018 M. Warner Losh <imp@FreeBSD.org>
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 #include <sys/cdefs.h>
27 __FBSDID("$FreeBSD$");
30 * MD bootstrap main() and assorted miscellaneous
37 #include <sys/reboot.h>
39 #include "bootstrap.h"
41 #ifdef LOADER_ZFS_SUPPORT
45 COMMAND_SET(lszfs, "lszfs", "list child datasets of a zfs dataset",
49 command_lszfs(int argc, char *argv[])
54 command_errmsg = "a single dataset must be supplied";
58 err = zfs_list(argv[1]);
60 command_errmsg = strerror(err);
66 COMMAND_SET(reloadbe, "reloadbe", "refresh the list of ZFS Boot Environments",
70 command_reloadbe(int argc, char *argv[])
76 command_errmsg = "wrong number of arguments";
81 err = zfs_bootenv(argv[1]);
83 root = getenv("zfs_be_root");
85 /* There does not appear to be a ZFS pool here, exit without error */
88 err = zfs_bootenv(root);
92 command_errmsg = strerror(err);
100 ldi_get_size(void *priv)
102 int fd = (uintptr_t) priv;
105 ioctl(fd, DIOCGMEDIASIZE, &size);