1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (C) 2012-2013 Intel Corporation
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
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.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#include <sys/cdefs.h>
30__FBSDID("$FreeBSD: stable/11/sbin/nvmecontrol/reset.c 330449 2018-03-05 07:26:05Z eadler $");
31
32#include <sys/param.h>
33#include <sys/ioccom.h>
34
35#include <err.h>
36#include <fcntl.h>
37#include <stdio.h>
38#include <stdlib.h>
39#include <string.h>
40#include <unistd.h>
41
42#include "nvmecontrol.h"
43
44static void
45reset_usage(void)
46{
47	fprintf(stderr, "usage:\n");
48	fprintf(stderr, RESET_USAGE);
49	exit(1);
50}
51
52void
53reset(int argc, char *argv[])
54{
55	int	ch, fd;
56
57	while ((ch = getopt(argc, argv, "")) != -1) {
58		switch ((char)ch) {
59		default:
60			reset_usage();
61		}
62	}
63
64	/* Check that a controller was specified. */
65	if (optind >= argc)
66		reset_usage();
67
68	open_dev(argv[optind], &fd, 1, 1);
69	if (ioctl(fd, NVME_RESET_CONTROLLER) < 0)
70		err(1, "reset request to %s failed", argv[optind]);
71
72	exit(0);
73}
74