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/cdefs.h>
29 #include <sys/param.h>
30
31 #include <stdio.h>
32 #include <stdlib.h>
33 #include <unistd.h>
34
35 #include "nvmecontrol.h"
36 #include "comnd.h"
37
38 /* Tables for command line parsing */
39
40 static cmd_fn_t gnsid;
41
42 static struct nsid_options {
43 const char *dev;
44 } nsid_opt = {
45 .dev = NULL,
46 };
47
48 static const struct args nsid_args[] = {
49 { arg_string, &nsid_opt.dev, "namespace-id" },
50 { arg_none, NULL, NULL },
51 };
52
53 static struct cmd nsid_cmd = {
54 .name = "nsid",
55 .fn = gnsid,
56 .descr = "Get controller and NSID for namespace",
57 .ctx_size = sizeof(nsid_opt),
58 .opts = NULL,
59 .args = nsid_args,
60 };
61
62 CMD_COMMAND(nsid_cmd);
63
64 static void
gnsid(const struct cmd * f,int argc,char * argv[])65 gnsid(const struct cmd *f, int argc, char *argv[])
66 {
67 char *path;
68 int fd;
69 uint32_t nsid;
70
71 if (arg_parse(argc, argv, f))
72 return;
73
74 open_dev(nsid_opt.dev, &fd, 0, 1);
75 get_nsid(fd, &path, &nsid);
76 close(fd);
77 printf("%s\t%u\n", path, nsid);
78 free(path);
79 }
80