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      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
     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
     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