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.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
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>
45 #include "nvmecontrol.h"
48 /* Tables for command line parsing */
50 #define NVME_MAX_UNIT 256
52 static cmd_fn_t devlist;
54 static struct cmd devlist_cmd = {
57 .descr = "List NVMe controllers and namespaces"
60 CMD_COMMAND(devlist_cmd);
62 /* End of tables for command line parsing */
64 static inline uint32_t
65 ns_get_sector_size(struct nvme_namespace_data *nsdata)
67 uint8_t flbas_fmt, lbads;
69 flbas_fmt = (nsdata->flbas >> NVME_NS_DATA_FLBAS_FORMAT_SHIFT) &
70 NVME_NS_DATA_FLBAS_FORMAT_MASK;
71 lbads = (nsdata->lbaf[flbas_fmt] >> NVME_NS_DATA_LBAF_LBADS_SHIFT) &
72 NVME_NS_DATA_LBAF_LBADS_MASK;
78 devlist(const struct cmd *f, int argc, char *argv[])
80 struct nvme_controller_data cdata;
81 struct nvme_namespace_data nsdata;
85 int ctrlr, fd, found, ret;
87 if (arg_parse(argc, argv, f))
93 while (ctrlr < NVME_MAX_UNIT) {
95 sprintf(name, "%s%d", NVME_CTRLR_PREFIX, ctrlr);
97 ret = open_dev(name, &fd, 0, 0);
100 warnx("could not open "_PATH_DEV"%s\n", name);
106 if (read_controller_data(fd, &cdata))
108 nvme_strvis(mn, cdata.mn, sizeof(mn), NVME_MODEL_NUMBER_LENGTH);
109 printf("%6s: %s\n", name, mn);
111 for (i = 0; i < cdata.nn; i++) {
112 if (read_namespace_data(fd, i + 1, &nsdata))
114 if (nsdata.nsze == 0)
116 sprintf(name, "%s%d%s%d", NVME_CTRLR_PREFIX, ctrlr,
117 NVME_NS_PREFIX, i + 1);
118 printf(" %10s (%lldMB)\n",
121 (long long)ns_get_sector_size(&nsdata) /
129 printf("No NVMe controllers found.\n");
130 exit(EX_UNAVAILABLE);