1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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__FBSDID("$FreeBSD$");
30
31#include <sys/param.h>
32
33#include <stdio.h>
34#include <stdlib.h>
35#include <unistd.h>
36
37#include "nvmecontrol.h"
38#include "comnd.h"
39
40/* Tables for command line parsing */
41
42static cmd_fn_t gnsid;
43
44static struct nsid_options {
45	const char	*dev;
46} nsid_opt = {
47	.dev = NULL,
48};
49
50static const struct args nsid_args[] = {
51	{ arg_string, &nsid_opt.dev, "namespace-id" },
52	{ arg_none, NULL, NULL },
53};
54
55static struct cmd nsid_cmd = {
56	.name = "nsid",
57	.fn = gnsid,
58	.descr = "Get controller and NSID for namespace",
59	.ctx_size = sizeof(nsid_opt),
60	.opts = NULL,
61	.args = nsid_args,
62};
63
64CMD_COMMAND(nsid_cmd);
65
66static void
67gnsid(const struct cmd *f, int argc, char *argv[])
68{
69	char		*path;
70	int		fd;
71	uint32_t	nsid;
72
73	if (arg_parse(argc, argv, f))
74		return;
75
76	open_dev(nsid_opt.dev, &fd, 0, 1);
77	get_nsid(fd, &path, &nsid);
78	close(fd);
79	printf("%s\t%u\n", path, nsid);
80	free(path);
81}
82