2 * SPDX-License-Identifier: BSD-2-Clause
4 * Copyright (C) 2012-2013 Intel Corporation
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8 * modification, are permitted provided that the following conditions
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29 #include <sys/cdefs.h>
30 #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 options {
60 static const struct opts devlist_opts[] = {
61 #define OPT(l, s, t, opt, addr, desc) { l, s, t, &opt.addr, desc }
62 OPT("human", 'h', arg_none, opt, human,
63 "Show human readable disk size"),
64 { NULL, 0, arg_none, NULL, NULL }
68 static struct cmd devlist_cmd = {
71 .descr = "List NVMe controllers and namespaces",
72 .ctx_size = sizeof(opt),
77 CMD_COMMAND(devlist_cmd);
79 /* End of tables for command line parsing */
81 static inline uint32_t
82 ns_get_sector_size(struct nvme_namespace_data *nsdata)
84 uint8_t flbas_fmt, lbads;
86 flbas_fmt = (nsdata->flbas >> NVME_NS_DATA_FLBAS_FORMAT_SHIFT) &
87 NVME_NS_DATA_FLBAS_FORMAT_MASK;
88 lbads = (nsdata->lbaf[flbas_fmt] >> NVME_NS_DATA_LBAF_LBADS_SHIFT) &
89 NVME_NS_DATA_LBAF_LBADS_MASK;
95 devlist(const struct cmd *f, int argc, char *argv[])
97 struct nvme_controller_data cdata;
98 struct nvme_namespace_data nsdata;
104 int ctrlr, fd, found, ret;
106 if (arg_parse(argc, argv, f))
112 while (ctrlr < NVME_MAX_UNIT) {
114 sprintf(name, "%s%d", NVME_CTRLR_PREFIX, ctrlr);
116 ret = open_dev(name, &fd, 0, 0);
119 warnx("could not open "_PATH_DEV"%s\n", name);
125 if (read_controller_data(fd, &cdata))
127 nvme_strvis(mn, cdata.mn, sizeof(mn), NVME_MODEL_NUMBER_LENGTH);
128 printf("%6s: %s\n", name, mn);
130 for (i = 0; i < cdata.nn; i++) {
131 if (read_namespace_data(fd, i + 1, &nsdata))
133 if (nsdata.nsze == 0)
135 sprintf(name, "%s%d%s%d", NVME_CTRLR_PREFIX, ctrlr,
136 NVME_NS_PREFIX, i + 1);
137 size = nsdata.nsze * (uint64_t)ns_get_sector_size(&nsdata);
139 humanize_number(buf, sizeof(buf), size, "B",
140 HN_AUTOSCALE, HN_B | HN_NOSPACE | HN_DECIMAL);
141 printf(" %10s (%s)\n", name, buf);
144 printf(" %10s (%juMB)\n", name, (uintmax_t)size / 1024 / 1024);
152 printf("No NVMe controllers found.\n");
153 exit(EX_UNAVAILABLE);