xref: /netbsd-src/sbin/nvmectl/reset.c (revision 1f5086ec4f1a6b19ee05a5353009dfd0b4c79856)
1 /*	$NetBSD: reset.c,v 1.3 2018/04/17 08:54:35 nonaka Exp $	*/
2 
3 /*-
4  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
5  *
6  * Copyright (C) 2012-2013 Intel Corporation
7  * All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  */
30 
31 #include <sys/cdefs.h>
32 #ifndef lint
33 __RCSID("$NetBSD: reset.c,v 1.3 2018/04/17 08:54:35 nonaka Exp $");
34 #if 0
35 __FBSDID("$FreeBSD: head/sbin/nvmecontrol/reset.c 326276 2017-11-27 15:37:16Z pfg $");
36 #endif
37 #endif
38 
39 #include <sys/param.h>
40 #include <sys/ioccom.h>
41 
42 #include <err.h>
43 #include <fcntl.h>
44 #include <stdio.h>
45 #include <stdlib.h>
46 #include <string.h>
47 #include <unistd.h>
48 
49 #include "nvmectl.h"
50 
51 #ifdef RESET_USAGE
52 static void
reset_usage(void)53 reset_usage(void)
54 {
55 	fprintf(stderr, "usage:\n");
56 	fprintf(stderr, "\t%s " RESET_USAGE, getprogname());
57 	exit(1);
58 }
59 
60 void
reset(int argc,char * argv[])61 reset(int argc, char *argv[])
62 {
63 	int	ch, fd;
64 
65 	while ((ch = getopt(argc, argv, "")) != -1) {
66 		switch (ch) {
67 		default:
68 			reset_usage();
69 		}
70 	}
71 
72 	/* Check that a controller was specified. */
73 	if (optind >= argc)
74 		reset_usage();
75 
76 	open_dev(argv[optind], &fd, 1, 1);
77 	if (ioctl(fd, NVME_RESET_CONTROLLER) < 0)
78 		err(1, "reset request to %s failed", argv[optind]);
79 
80 	exit(0);
81 }
82 #endif
83