/*- * SPDX-License-Identifier: BSD-2-Clause * * Copyright (C) 2012-2013 Intel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include <sys/param.h> #include <sys/ioccom.h> #include <err.h> #include <fcntl.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <sysexits.h> #include <unistd.h> #include "nvmecontrol.h" static struct options { const char *dev; } opt = { .dev = NULL }; static const struct args args[] = { { arg_string, &opt.dev, "controller-id|namespace-id" }, { arg_none, NULL, NULL }, }; static void reset(const struct cmd *f, int argc, char *argv[]) { int fd; char *path; uint32_t nsid; if (arg_parse(argc, argv, f)) return; open_dev(opt.dev, &fd, 1, 1); get_nsid(fd, &path, &nsid); if (nsid != 0) { close(fd); open_dev(path, &fd, 1, 1); } free(path); if (ioctl(fd, NVME_RESET_CONTROLLER) < 0) err(EX_IOERR, "reset request to %s failed", opt.dev); exit(0); } static struct cmd reset_cmd = { .name = "reset", .fn = reset, .descr = "Perform a controller-level reset", .args = args, }; CMD_COMMAND(reset_cmd);