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