1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (C) 2019 Alexander Motin <mav@FreeBSD.org> 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 #include <sys/param.h> 29 30 #include <stdio.h> 31 #include <stdlib.h> 32 #include <unistd.h> 33 34 #include "nvmecontrol.h" 35 #include "comnd.h" 36 37 /* Tables for command line parsing */ 38 39 static cmd_fn_t gnsid; 40 41 static struct nsid_options { 42 const char *dev; 43 } nsid_opt = { 44 .dev = NULL, 45 }; 46 47 static const struct args nsid_args[] = { 48 { arg_string, &nsid_opt.dev, "namespace-id" }, 49 { arg_none, NULL, NULL }, 50 }; 51 52 static struct cmd nsid_cmd = { 53 .name = "nsid", 54 .fn = gnsid, 55 .descr = "Get controller and NSID for namespace", 56 .ctx_size = sizeof(nsid_opt), 57 .opts = NULL, 58 .args = nsid_args, 59 }; 60 61 CMD_COMMAND(nsid_cmd); 62 63 static void 64 gnsid(const struct cmd *f, int argc, char *argv[]) 65 { 66 char *path; 67 int fd; 68 uint32_t nsid; 69 70 if (arg_parse(argc, argv, f)) 71 return; 72 73 open_dev(nsid_opt.dev, &fd, 0, 1); 74 get_nsid(fd, &path, &nsid); 75 close(fd); 76 printf("%s\t%u\n", path, nsid); 77 free(path); 78 } 79