2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (C) 2012-2013 Intel Corporation
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
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14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
32 #include <sys/param.h>
47 #include "nvmecontrol.h"
50 /* Tables for command line parsing */
52 #define NVME_MAX_UNIT 256
54 static cmd_fn_t devlist;
56 static struct options {
62 static const struct opts devlist_opts[] = {
63 #define OPT(l, s, t, opt, addr, desc) { l, s, t, &opt.addr, desc }
64 OPT("human", 'h', arg_none, opt, human,
65 "Show human readable disk size"),
66 { NULL, 0, arg_none, NULL, NULL }
70 static struct cmd devlist_cmd = {
73 .descr = "List NVMe controllers and namespaces",
74 .ctx_size = sizeof(opt),
79 CMD_COMMAND(devlist_cmd);
81 /* End of tables for command line parsing */
83 static inline uint32_t
84 ns_get_sector_size(struct nvme_namespace_data *nsdata)
86 uint8_t flbas_fmt, lbads;
88 flbas_fmt = (nsdata->flbas >> NVME_NS_DATA_FLBAS_FORMAT_SHIFT) &
89 NVME_NS_DATA_FLBAS_FORMAT_MASK;
90 lbads = (nsdata->lbaf[flbas_fmt] >> NVME_NS_DATA_LBAF_LBADS_SHIFT) &
91 NVME_NS_DATA_LBAF_LBADS_MASK;
97 devlist(const struct cmd *f, int argc, char *argv[])
99 struct nvme_controller_data cdata;
100 struct nvme_namespace_data nsdata;
106 int ctrlr, fd, found, ret;
108 if (arg_parse(argc, argv, f))
114 while (ctrlr < NVME_MAX_UNIT) {
116 sprintf(name, "%s%d", NVME_CTRLR_PREFIX, ctrlr);
118 ret = open_dev(name, &fd, 0, 0);
121 warnx("could not open "_PATH_DEV"%s\n", name);
127 if (read_controller_data(fd, &cdata))
129 nvme_strvis(mn, cdata.mn, sizeof(mn), NVME_MODEL_NUMBER_LENGTH);
130 printf("%6s: %s\n", name, mn);
132 for (i = 0; i < cdata.nn; i++) {
133 if (read_namespace_data(fd, i + 1, &nsdata))
135 if (nsdata.nsze == 0)
137 sprintf(name, "%s%d%s%d", NVME_CTRLR_PREFIX, ctrlr,
138 NVME_NS_PREFIX, i + 1);
139 size = nsdata.nsze * (uint64_t)ns_get_sector_size(&nsdata);
141 humanize_number(buf, sizeof(buf), size, "B",
142 HN_AUTOSCALE, HN_B | HN_NOSPACE | HN_DECIMAL);
143 printf(" %10s (%s)\n", name, buf);
146 printf(" %10s (%juMB)\n", name, (uintmax_t)size / 1024 / 1024);
154 printf("No NVMe controllers found.\n");
155 exit(EX_UNAVAILABLE);