2 * Copyright (C) 2012-2013 Intel Corporation
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <sys/param.h>
41 #include "nvmecontrol.h"
44 print_controller(struct nvme_controller_data *cdata)
46 printf("Controller Capabilities/Features\n");
47 printf("================================\n");
48 printf("Vendor ID: %04x\n", cdata->vid);
49 printf("Subsystem Vendor ID: %04x\n", cdata->ssvid);
50 printf("Serial Number: %s\n", cdata->sn);
51 printf("Model Number: %s\n", cdata->mn);
52 printf("Firmware Version: %s\n", cdata->fr);
53 printf("Recommended Arb Burst: %d\n", cdata->rab);
54 printf("IEEE OUI Identifier: %02x %02x %02x\n",
55 cdata->ieee[0], cdata->ieee[1], cdata->ieee[2]);
56 printf("Multi-Interface Cap: %02x\n", cdata->mic);
57 /* TODO: Use CAP.MPSMIN to determine true memory page size. */
58 printf("Max Data Transfer Size: ");
60 printf("Unlimited\n");
62 printf("%d\n", PAGE_SIZE * (1 << cdata->mdts));
65 printf("Admin Command Set Attributes\n");
66 printf("============================\n");
67 printf("Security Send/Receive: %s\n",
68 cdata->oacs.security ? "Supported" : "Not Supported");
69 printf("Format NVM: %s\n",
70 cdata->oacs.format ? "Supported" : "Not Supported");
71 printf("Firmware Activate/Download: %s\n",
72 cdata->oacs.firmware ? "Supported" : "Not Supported");
73 printf("Abort Command Limit: %d\n", cdata->acl+1);
74 printf("Async Event Request Limit: %d\n", cdata->aerl+1);
75 printf("Number of Firmware Slots: ");
76 if (cdata->oacs.firmware != 0)
77 printf("%d\n", cdata->frmw.num_slots);
80 printf("Firmware Slot 1 Read-Only: ");
81 if (cdata->oacs.firmware != 0)
82 printf("%s\n", cdata->frmw.slot1_ro ? "Yes" : "No");
85 printf("Per-Namespace SMART Log: %s\n",
86 cdata->lpa.ns_smart ? "Yes" : "No");
87 printf("Error Log Page Entries: %d\n", cdata->elpe+1);
88 printf("Number of Power States: %d\n", cdata->npss+1);
91 printf("NVM Command Set Attributes\n");
92 printf("==========================\n");
93 printf("Submission Queue Entry Size\n");
94 printf(" Max: %d\n", 1 << cdata->sqes.max);
95 printf(" Min: %d\n", 1 << cdata->sqes.min);
96 printf("Completion Queue Entry Size\n");
97 printf(" Max: %d\n", 1 << cdata->cqes.max);
98 printf(" Min: %d\n", 1 << cdata->cqes.min);
99 printf("Number of Namespaces: %d\n", cdata->nn);
100 printf("Compare Command: %s\n",
101 cdata->oncs.compare ? "Supported" : "Not Supported");
102 printf("Write Uncorrectable Command: %s\n",
103 cdata->oncs.write_unc ? "Supported" : "Not Supported");
104 printf("Dataset Management Command: %s\n",
105 cdata->oncs.dsm ? "Supported" : "Not Supported");
106 printf("Volatile Write Cache: %s\n",
107 cdata->vwc.present ? "Present" : "Not Present");
111 print_namespace(struct nvme_namespace_data *nsdata)
115 printf("Size (in LBAs): %lld (%lldM)\n",
116 (long long)nsdata->nsze,
117 (long long)nsdata->nsze / 1024 / 1024);
118 printf("Capacity (in LBAs): %lld (%lldM)\n",
119 (long long)nsdata->ncap,
120 (long long)nsdata->ncap / 1024 / 1024);
121 printf("Utilization (in LBAs): %lld (%lldM)\n",
122 (long long)nsdata->nuse,
123 (long long)nsdata->nuse / 1024 / 1024);
124 printf("Thin Provisioning: %s\n",
125 nsdata->nsfeat.thin_prov ? "Supported" : "Not Supported");
126 printf("Number of LBA Formats: %d\n", nsdata->nlbaf+1);
127 printf("Current LBA Format: LBA Format #%d\n",
128 nsdata->flbas.format);
129 for (i = 0; i <= nsdata->nlbaf; i++) {
130 printf("LBA Format #%d:\n", i);
131 printf(" LBA Data Size: %d\n",
132 1 << nsdata->lbaf[i].lbads);
139 fprintf(stderr, "usage:\n");
140 fprintf(stderr, IDENTIFY_USAGE);
145 identify_ctrlr(int argc, char *argv[])
147 struct nvme_controller_data cdata;
148 int ch, fd, hexflag = 0, hexlength;
151 while ((ch = getopt(argc, argv, "vx")) != -1) {
164 /* Check that a controller was specified. */
168 open_dev(argv[optind], &fd, 1, 1);
169 read_controller_data(fd, &cdata);
173 if (verboseflag == 1)
174 hexlength = sizeof(struct nvme_controller_data);
176 hexlength = offsetof(struct nvme_controller_data,
178 print_hex(&cdata, hexlength);
182 if (verboseflag == 1) {
183 fprintf(stderr, "-v not currently supported without -x\n");
187 print_controller(&cdata);
192 identify_ns(int argc, char *argv[])
194 struct nvme_namespace_data nsdata;
196 int ch, fd, hexflag = 0, hexlength, nsid;
199 while ((ch = getopt(argc, argv, "vx")) != -1) {
212 /* Check that a namespace was specified. */
217 * Check if the specified device node exists before continuing.
218 * This is a cleaner check for cases where the correct controller
219 * is specified, but an invalid namespace on that controller.
221 open_dev(argv[optind], &fd, 1, 1);
225 * We send IDENTIFY commands to the controller, not the namespace,
226 * since it is an admin cmd. The namespace ID will be specified in
227 * the IDENTIFY command itself. So parse the namespace's device node
228 * string to get the controller substring and namespace ID.
230 parse_ns_str(argv[optind], path, &nsid);
231 open_dev(path, &fd, 1, 1);
232 read_namespace_data(fd, nsid, &nsdata);
236 if (verboseflag == 1)
237 hexlength = sizeof(struct nvme_namespace_data);
239 hexlength = offsetof(struct nvme_namespace_data,
241 print_hex(&nsdata, hexlength);
245 if (verboseflag == 1) {
246 fprintf(stderr, "-v not currently supported without -x\n");
250 print_namespace(&nsdata);
255 identify(int argc, char *argv[])
262 while (getopt(argc, argv, "vx") != -1) ;
264 target = argv[optind];
270 * If device node contains "ns", we consider it a namespace,
271 * otherwise, consider it a controller.
273 if (strstr(target, NVME_NS_PREFIX) == NULL)
274 identify_ctrlr(argc, argv);
276 identify_ns(argc, argv);