1/*-
2 * Copyright (c) 2018 M. Warner Losh <imp@FreeBSD.org>
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
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.
12 *
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
23 * SUCH DAMAGE.
24 */
25
26#include <sys/cdefs.h>
27__FBSDID("$FreeBSD$");
28
29/*
30 * MD bootstrap main() and assorted miscellaneous
31 * commands.
32 */
33
34#include <stand.h>
35#include <stddef.h>
36#include <sys/disk.h>
37#include <sys/reboot.h>
38
39#include "bootstrap.h"
40#include "libzfs.h"
41
42COMMAND_SET(lszfs, "lszfs", "list child datasets of a zfs dataset",
43	    command_lszfs);
44
45static int
46command_lszfs(int argc, char *argv[])
47{
48	int err;
49
50	if (argc != 2) {
51		command_errmsg = "a single dataset must be supplied";
52		return (CMD_ERROR);
53	}
54
55	err = zfs_list(argv[1]);
56	if (err != 0) {
57		command_errmsg = strerror(err);
58		return (CMD_ERROR);
59	}
60	return (CMD_OK);
61}
62
63COMMAND_SET(reloadbe, "reloadbe", "refresh the list of ZFS Boot Environments",
64	    command_reloadbe);
65
66static int
67command_reloadbe(int argc, char *argv[])
68{
69	int err;
70	char *root;
71
72	if (argc > 2) {
73		command_errmsg = "wrong number of arguments";
74		return (CMD_ERROR);
75	}
76
77	if (argc == 2) {
78		err = zfs_bootenv(argv[1]);
79	} else {
80		root = getenv("zfs_be_root");
81		if (root == NULL) {
82			/* There does not appear to be a ZFS pool here, exit without error */
83			return (CMD_OK);
84		}
85		err = zfs_bootenv(root);
86	}
87
88	if (err != 0) {
89		command_errmsg = strerror(err);
90		return (CMD_ERROR);
91	}
92
93	return (CMD_OK);
94}
95
96uint64_t
97ldi_get_size(void *priv)
98{
99	int fd = (uintptr_t) priv;
100	uint64_t size;
101
102	ioctl(fd, DIOCGMEDIASIZE, &size);
103	return (size);
104}
105