1 /* $NetBSD: devlist.c,v 1.6 2023/03/05 23:24:06 simonb Exp $ */
2
3 /*-
4 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
5 *
6 * Copyright (C) 2012-2013 Intel Corporation
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 */
30
31 #include <sys/cdefs.h>
32 #ifndef lint
33 __RCSID("$NetBSD: devlist.c,v 1.6 2023/03/05 23:24:06 simonb Exp $");
34 #if 0
35 __FBSDID("$FreeBSD: head/sbin/nvmecontrol/devlist.c 329824 2018-02-22 13:32:31Z wma $");
36 #endif
37 #endif
38
39 #include <sys/param.h>
40
41 #include <err.h>
42 #include <errno.h>
43 #include <fcntl.h>
44 #include <paths.h>
45 #include <stddef.h>
46 #include <stdio.h>
47 #include <stdlib.h>
48 #include <string.h>
49 #include <unistd.h>
50
51 #include "nvmectl.h"
52
53 __dead static void
devlist_usage(void)54 devlist_usage(void)
55 {
56 fprintf(stderr, "usage:\n");
57 fprintf(stderr, "\t%s " DEVLIST_USAGE, getprogname());
58 exit(1);
59 }
60
61 static inline uint32_t
ns_get_sector_size(struct nvm_identify_namespace * nsdata)62 ns_get_sector_size(struct nvm_identify_namespace *nsdata)
63 {
64
65 return 1 << nsdata->lbaf[NVME_ID_NS_FLBAS(nsdata->flbas)].lbads;
66 }
67
68 void
devlist(int argc,char * argv[])69 devlist(int argc, char *argv[])
70 {
71 struct nvm_identify_controller cdata;
72 struct nvm_identify_namespace nsdata;
73 char name[64];
74 uint8_t mn[64];
75 uint32_t i;
76 int ch, ctrlr, fd, found, ret;
77
78 while ((ch = getopt(argc, argv, "")) != -1) {
79 switch (ch) {
80 default:
81 devlist_usage();
82 }
83 }
84
85 ctrlr = -1;
86 found = 0;
87
88 while (1) {
89 ctrlr++;
90 sprintf(name, "%s%d", NVME_CTRLR_PREFIX, ctrlr);
91
92 ret = open_dev(name, &fd, 0, 0);
93
94 if (ret != 0) {
95 if (ret == EACCES) {
96 warnx("could not open "_PATH_DEV"%s\n", name);
97 continue;
98 } else
99 break;
100 }
101
102 found++;
103 read_controller_data(fd, &cdata);
104 nvme_strvis(mn, sizeof(mn), cdata.mn, sizeof(cdata.mn));
105 printf("%6s: %s\n", name, mn);
106
107 for (i = 0; i < cdata.nn; i++) {
108 sprintf(name, "%s%d%s%d", NVME_CTRLR_PREFIX, ctrlr,
109 NVME_NS_PREFIX, i+1);
110 read_namespace_data(fd, i+1, &nsdata);
111 printf(" %10s (%lldMB)\n",
112 name,
113 nsdata.nsze *
114 (long long)ns_get_sector_size(&nsdata) /
115 1024 / 1024);
116 }
117
118 close(fd);
119 }
120
121 if (found == 0) {
122 printf("No NVMe controllers found.\n");
123 exit(1);
124 }
125
126 exit(0);
127 }
128