xref: /freebsd/usr.sbin/sesutil/sesutil.c (revision 2b8331622f0b212cf3bb4fc4914a501e5321d506)
1 /*-
2  * Copyright (c) 2019 Klara Inc.
3  * Copyright (c) 2015 Baptiste Daroussin <bapt@FreeBSD.org>
4  * Copyright (c) 2015 Allan Jude <allanjude@FreeBSD.org>
5  * Copyright (c) 2000 by Matthew Jacob
6  * All rights reserved.
7  *
8  * Portions of this software were developed by Edward Tomasz Napierala
9  * under sponsorship from Klara Inc.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer
16  *    in this position and unchanged.
17  * 2. Redistributions in binary form must reproduce the above copyright
18  *    notice, this list of conditions and the following disclaimer in the
19  *    documentation and/or other materials provided with the distribution.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24  * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD$");
35 
36 #include <sys/endian.h>
37 #include <sys/param.h>
38 #include <sys/disk.h>
39 #include <sys/ioctl.h>
40 #include <sys/types.h>
41 
42 #include <err.h>
43 #include <errno.h>
44 #include <fcntl.h>
45 #include <getopt.h>
46 #include <glob.h>
47 #include <stdbool.h>
48 #include <stddef.h>
49 #include <stdint.h>
50 #include <stdio.h>
51 #include <stdlib.h>
52 #include <string.h>
53 #include <unistd.h>
54 #include <libxo/xo.h>
55 
56 #include <cam/scsi/scsi_enc.h>
57 
58 #include "eltsub.h"
59 
60 #define SESUTIL_XO_VERSION	"1"
61 
62 #define TEMPERATURE_OFFSET	20
63 
64 #define PRINT_STYLE_DASHED	0
65 #define PRINT_STYLE_DASHED_2	1
66 #define PRINT_STYLE_CSV 	2
67 #define PRINT_STYLE_CSV_2	3
68 
69 static int encstatus(int argc, char **argv);
70 static int fault(int argc, char **argv);
71 static int locate(int argc, char **argv);
72 static int objmap(int argc, char **argv);
73 static int sesled(int argc, char **argv, bool fault);
74 static int show(int argc, char **argv);
75 static void sesutil_print(int *style, const char *fmt, ...) __printflike(2,3);
76 
77 static struct command {
78 	const char *name;
79 	const char *param;
80 	const char *desc;
81 	int (*exec)(int argc, char **argv);
82 } cmds[] = {
83 	{ "fault",
84 	    "(<disk>|<sesid>|all) (on|off)",
85 	    "Change the state of the fault LED associated with a disk",
86 	    fault },
87 	{ "locate",
88 	    "(<disk>|<sesid>|all) (on|off)",
89 	    "Change the state of the locate LED associated with a disk",
90 	    locate },
91 	{ "map", "",
92 	    "Print a map of the devices managed by the enclosure", objmap } ,
93 	{ "show", "",
94 	    "Print a human-friendly summary of the enclosure", show } ,
95 	{ "status", "", "Print the status of the enclosure",
96 	    encstatus },
97 };
98 
99 static const int nbcmds = nitems(cmds);
100 static const char *uflag;
101 
102 static void
103 usage(FILE *out, const char *subcmd)
104 {
105 	int i;
106 
107 	if (subcmd == NULL) {
108 		fprintf(out, "Usage: %s [-u /dev/ses<N>] <command> [options]\n",
109 		    getprogname());
110 		fprintf(out, "Commands supported:\n");
111 	}
112 	for (i = 0; i < nbcmds; i++) {
113 		if (subcmd != NULL) {
114 			if (strcmp(subcmd, cmds[i].name) == 0) {
115 				fprintf(out, "Usage: %s %s [-u /dev/ses<N>] "
116 				    "%s\n\t%s\n", getprogname(), subcmd,
117 				    cmds[i].param, cmds[i].desc);
118 				break;
119 			}
120 			continue;
121 		}
122 		fprintf(out, "    %-12s%s\n\t\t%s\n\n", cmds[i].name,
123 		    cmds[i].param, cmds[i].desc);
124 	}
125 
126 	exit(EXIT_FAILURE);
127 }
128 
129 static void
130 do_led(int fd, unsigned int idx, elm_type_t type, bool onoff, bool setfault)
131 {
132 	int state = onoff ? 1 : 0;
133 	encioc_elm_status_t o;
134 	struct ses_ctrl_dev_slot *slot;
135 
136 	o.elm_idx = idx;
137 	if (ioctl(fd, ENCIOC_GETELMSTAT, (caddr_t) &o) < 0) {
138 		close(fd);
139 		xo_err(EXIT_FAILURE, "ENCIOC_GETELMSTAT");
140 	}
141 	ses_status_to_ctrl(type, &o.cstat[0]);
142 	switch (type) {
143 	case ELMTYP_DEVICE:
144 	case ELMTYP_ARRAY_DEV:
145 		slot = (struct ses_ctrl_dev_slot *) &o.cstat[0];
146 		ses_ctrl_common_set_select(&slot->common, 1);
147 		if (setfault)
148 			ses_ctrl_dev_slot_set_rqst_fault(slot, state);
149 		else
150 			ses_ctrl_dev_slot_set_rqst_ident(slot, state);
151 		break;
152 	default:
153 		return;
154 	}
155 	if (ioctl(fd, ENCIOC_SETELMSTAT, (caddr_t) &o) < 0) {
156 		close(fd);
157 		xo_err(EXIT_FAILURE, "ENCIOC_SETELMSTAT");
158 	}
159 }
160 
161 static bool
162 disk_match(const char *devnames, const char *disk, size_t len)
163 {
164 	const char *dname;
165 
166 	dname = devnames;
167 	while ((dname = strstr(dname, disk)) != NULL) {
168 		if (dname[len] == '\0' || dname[len] == ',') {
169 			return (true);
170 		}
171 		dname++;
172 	}
173 
174 	return (false);
175 }
176 
177 static int
178 sesled(int argc, char **argv, bool setfault)
179 {
180 	encioc_elm_devnames_t objdn;
181 	encioc_element_t *objp;
182 	glob_t g;
183 	char *disk, *endptr;
184 	size_t len, i, ndisks;
185 	int fd;
186 	unsigned int nobj, j, sesid;
187 	bool all, isses, onoff;
188 
189 	isses = false;
190 	all = false;
191 	onoff = false;
192 
193 	if (argc != 3) {
194 		usage(stderr, (setfault ? "fault" : "locate"));
195 	}
196 
197 	disk = argv[1];
198 
199 	sesid = strtoul(disk, &endptr, 10);
200 	if (*endptr == '\0') {
201 		endptr = strrchr(uflag, '*');
202 		if (endptr != NULL && *endptr == '*') {
203 			xo_warnx("Must specifying a SES device (-u) to use a SES "
204 			    "id# to identify a disk");
205 			usage(stderr, (setfault ? "fault" : "locate"));
206 		}
207 		isses = true;
208 	}
209 
210 	if (strcmp(argv[2], "on") == 0) {
211 		onoff = true;
212 	} else if (strcmp(argv[2], "off") == 0) {
213 		onoff = false;
214 	} else {
215 		usage(stderr, (setfault ? "fault" : "locate"));
216 	}
217 
218 	if (strcmp(disk, "all") == 0) {
219 		all = true;
220 	}
221 	len = strlen(disk);
222 
223 	/* Get the list of ses devices */
224 	if (glob((uflag != NULL ? uflag : "/dev/ses[0-9]*"), 0, NULL, &g) ==
225 	    GLOB_NOMATCH) {
226 		globfree(&g);
227 		xo_errx(EXIT_FAILURE, "No SES devices found");
228 	}
229 
230 	ndisks = 0;
231 	for (i = 0; i < g.gl_pathc; i++) {
232 		/* ensure we only got numbers after ses */
233 		if (strspn(g.gl_pathv[i] + 8, "0123456789") !=
234 		    strlen(g.gl_pathv[i] + 8)) {
235 			continue;
236 		}
237 		if ((fd = open(g.gl_pathv[i], O_RDWR)) < 0) {
238 			/*
239 			 * Don't treat non-access errors as critical if we are
240 			 * accessing all devices
241 			 */
242 			if (errno == EACCES && g.gl_pathc > 1) {
243 				xo_err(EXIT_FAILURE, "unable to access SES device");
244 			}
245 			xo_warn("unable to access SES device: %s", g.gl_pathv[i]);
246 			continue;
247 		}
248 
249 		if (ioctl(fd, ENCIOC_GETNELM, (caddr_t) &nobj) < 0) {
250 			close(fd);
251 			xo_err(EXIT_FAILURE, "ENCIOC_GETNELM");
252 		}
253 
254 		objp = calloc(nobj, sizeof(encioc_element_t));
255 		if (objp == NULL) {
256 			close(fd);
257 			xo_err(EXIT_FAILURE, "calloc()");
258 		}
259 
260 		if (ioctl(fd, ENCIOC_GETELMMAP, (caddr_t) objp) < 0) {
261 			free(objp);
262 			close(fd);
263 			xo_err(EXIT_FAILURE, "ENCIOC_GETELMMAP");
264 		}
265 
266 		if (isses) {
267 			if (sesid >= nobj) {
268 				free(objp);
269 				close(fd);
270 				xo_errx(EXIT_FAILURE,
271 				     "Requested SES ID does not exist");
272 			}
273 			do_led(fd, sesid, objp[sesid].elm_type, onoff, setfault);
274 			ndisks++;
275 			free(objp);
276 			close(fd);
277 			break;
278 		}
279 		for (j = 0; j < nobj; j++) {
280 			const int devnames_size = 128;
281 			char devnames[devnames_size];
282 
283 			if (all) {
284 				encioc_elm_status_t es;
285 				memset(&es, 0, sizeof(es));
286 				es.elm_idx = objp[j].elm_idx;
287 				if (ioctl(fd, ENCIOC_GETELMSTAT, &es) < 0) {
288 					close(fd);
289 					xo_err(EXIT_FAILURE,
290 						"ENCIOC_GETELMSTAT");
291 				}
292 				if ((es.cstat[0] & 0xf) == SES_OBJSTAT_NOACCESS)
293 					continue;
294 				do_led(fd, objp[j].elm_idx, objp[j].elm_type,
295 				    onoff, setfault);
296 				continue;
297 			}
298 			memset(&objdn, 0, sizeof(objdn));
299 			memset(devnames, 0, devnames_size);
300 			objdn.elm_idx = objp[j].elm_idx;
301 			objdn.elm_names_size = devnames_size;
302 			objdn.elm_devnames = devnames;
303 			if (ioctl(fd, ENCIOC_GETELMDEVNAMES,
304 			    (caddr_t) &objdn) <0) {
305 				continue;
306 			}
307 			if (objdn.elm_names_len > 0) {
308 				if (disk_match(objdn.elm_devnames, disk, len)) {
309 					do_led(fd, objdn.elm_idx, objp[j].elm_type,
310 					    onoff, setfault);
311 					ndisks++;
312 					break;
313 				}
314 			}
315 		}
316 		free(objp);
317 		close(fd);
318 	}
319 	globfree(&g);
320 	if (ndisks == 0 && all == false) {
321 		xo_errx(EXIT_FAILURE, "Count not find the SES id of device '%s'",
322 		    disk);
323 	}
324 
325 	return (EXIT_SUCCESS);
326 }
327 
328 static int
329 locate(int argc, char **argv)
330 {
331 
332 	return (sesled(argc, argv, false));
333 }
334 
335 static int
336 fault(int argc, char **argv)
337 {
338 
339 	return (sesled(argc, argv, true));
340 }
341 
342 static void
343 sesutil_print(int *style, const char *fmt, ...)
344 {
345 	va_list args;
346 
347 	if (*style == PRINT_STYLE_DASHED) {
348 		xo_open_container("extra_status");
349 		xo_emit("\t\tExtra status:\n");
350 		*style = PRINT_STYLE_DASHED_2;
351 	} else if (*style == PRINT_STYLE_CSV) {
352 		xo_open_container("extra_status");
353 		*style = PRINT_STYLE_CSV_2;
354 	}
355 
356 	if (*style == PRINT_STYLE_DASHED_2)
357 		xo_emit("\t\t- ");
358 	else if (*style == PRINT_STYLE_CSV_2)
359 		xo_emit(", ");
360 	va_start(args, fmt);
361 	xo_emit_hv(NULL, fmt, args);
362 	va_end(args);
363 	if (*style == PRINT_STYLE_DASHED_2)
364 		xo_emit("\n");
365 }
366 
367 static void
368 print_extra_status(int eletype, u_char *cstat, int style)
369 {
370 
371 	if (cstat[0] & 0x40) {
372 		sesutil_print(&style, "{e:predicted_failure/true} Predicted Failure");
373 	}
374 	if (cstat[0] & 0x20) {
375 		sesutil_print(&style, "{e:disabled/true} Disabled");
376 	}
377 	if (cstat[0] & 0x10) {
378 		sesutil_print(&style, "{e:swapped/true} Swapped");
379 	}
380 	switch (eletype) {
381 	case ELMTYP_DEVICE:
382 	case ELMTYP_ARRAY_DEV:
383 		if (cstat[2] & 0x02) {
384 			sesutil_print(&style, "LED={q:led/locate}");
385 		}
386 		if (cstat[2] & 0x20) {
387 			sesutil_print(&style, "LED={q:led/fault}");
388 		}
389 		break;
390 	case ELMTYP_FAN:
391 		sesutil_print(&style, "Speed: {:speed/%d}{Uw:rpm}",
392 		    (((0x7 & cstat[1]) << 8) + cstat[2]) * 10);
393 		break;
394 	case ELMTYP_THERM:
395 		if (cstat[2]) {
396 			sesutil_print(&style, "Temperature: {:temperature/%d}{Uw:C}",
397 			    cstat[2] - TEMPERATURE_OFFSET);
398 		} else {
399 			sesutil_print(&style, "Temperature: -{q:temperature/reserved}");
400 		}
401 		break;
402 	case ELMTYP_VOM:
403 		sesutil_print(&style, "Voltage: {:voltage/%.2f}{Uw:V}",
404 		    be16dec(cstat + 2) / 100.0);
405 		break;
406 	}
407 	if (style) {
408 		xo_close_container("extra_status");
409 	}
410 }
411 
412 static int
413 objmap(int argc, char **argv __unused)
414 {
415 	encioc_string_t stri;
416 	encioc_elm_devnames_t e_devname;
417 	encioc_elm_status_t e_status;
418 	encioc_elm_desc_t e_desc;
419 	encioc_element_t *e_ptr;
420 	glob_t g;
421 	int fd;
422 	unsigned int j, nobj;
423 	size_t i;
424 	char str[32];
425 
426 	if (argc != 1) {
427 		usage(stderr, "map");
428 	}
429 
430 	memset(&e_desc, 0, sizeof(e_desc));
431 	/* SES4r02 allows element descriptors of up to 65536 characters */
432 	e_desc.elm_desc_str = calloc(UINT16_MAX, sizeof(char));
433 	if (e_desc.elm_desc_str == NULL)
434 		xo_err(EXIT_FAILURE, "calloc()");
435 
436 	e_devname.elm_devnames = calloc(128, sizeof(char));
437 	if (e_devname.elm_devnames == NULL)
438 		xo_err(EXIT_FAILURE, "calloc()");
439 	e_devname.elm_names_size = 128;
440 
441 	/* Get the list of ses devices */
442 	if (glob(uflag, 0, NULL, &g) == GLOB_NOMATCH) {
443 		globfree(&g);
444 		xo_errx(EXIT_FAILURE, "No SES devices found");
445 	}
446 	xo_set_version(SESUTIL_XO_VERSION);
447 	xo_open_container("sesutil");
448 	xo_open_list("enclosures");
449 	for (i = 0; i < g.gl_pathc; i++) {
450 		/* ensure we only got numbers after ses */
451 		if (strspn(g.gl_pathv[i] + 8, "0123456789") !=
452 		    strlen(g.gl_pathv[i] + 8)) {
453 			continue;
454 		}
455 		if ((fd = open(g.gl_pathv[i], O_RDWR)) < 0) {
456 			/*
457 			 * Don't treat non-access errors as critical if we are
458 			 * accessing all devices
459 			 */
460 			if (errno == EACCES && g.gl_pathc > 1) {
461 				xo_err(EXIT_FAILURE, "unable to access SES device");
462 			}
463 			xo_warn("unable to access SES device: %s", g.gl_pathv[i]);
464 			continue;
465 		}
466 
467 		if (ioctl(fd, ENCIOC_GETNELM, (caddr_t) &nobj) < 0) {
468 			close(fd);
469 			xo_err(EXIT_FAILURE, "ENCIOC_GETNELM");
470 		}
471 
472 		e_ptr = calloc(nobj, sizeof(encioc_element_t));
473 		if (e_ptr == NULL) {
474 			close(fd);
475 			xo_err(EXIT_FAILURE, "calloc()");
476 		}
477 
478 		if (ioctl(fd, ENCIOC_GETELMMAP, (caddr_t) e_ptr) < 0) {
479 			close(fd);
480 			xo_err(EXIT_FAILURE, "ENCIOC_GETELMMAP");
481 		}
482 
483 		xo_open_instance("enclosures");
484 		xo_emit("{t:enc/%s}:\n", g.gl_pathv[i] + 5);
485 		stri.bufsiz = sizeof(str);
486 		stri.buf = &str[0];
487 		if (ioctl(fd, ENCIOC_GETENCNAME, (caddr_t) &stri) == 0)
488 			xo_emit("\tEnclosure Name: {t:name/%s}\n", stri.buf);
489 		stri.bufsiz = sizeof(str);
490 		stri.buf = &str[0];
491 		if (ioctl(fd, ENCIOC_GETENCID, (caddr_t) &stri) == 0)
492 			xo_emit("\tEnclosure ID: {t:id/%s}\n", stri.buf);
493 
494 		xo_open_list("elements");
495 		for (j = 0; j < nobj; j++) {
496 			/* Get the status of the element */
497 			memset(&e_status, 0, sizeof(e_status));
498 			e_status.elm_idx = e_ptr[j].elm_idx;
499 			if (ioctl(fd, ENCIOC_GETELMSTAT,
500 			    (caddr_t) &e_status) < 0) {
501 				close(fd);
502 				xo_err(EXIT_FAILURE, "ENCIOC_GETELMSTAT");
503 			}
504 			/* Get the description of the element */
505 			e_desc.elm_idx = e_ptr[j].elm_idx;
506 			e_desc.elm_desc_len = UINT16_MAX;
507 			if (ioctl(fd, ENCIOC_GETELMDESC,
508 			    (caddr_t) &e_desc) < 0) {
509 				close(fd);
510 				xo_err(EXIT_FAILURE, "ENCIOC_GETELMDESC");
511 			}
512 			e_desc.elm_desc_str[e_desc.elm_desc_len] = '\0';
513 			/* Get the device name(s) of the element */
514 			e_devname.elm_idx = e_ptr[j].elm_idx;
515 			if (ioctl(fd, ENCIOC_GETELMDEVNAMES,
516 			    (caddr_t) &e_devname) <0) {
517 				/* Continue even if we can't look up devnames */
518 				e_devname.elm_devnames[0] = '\0';
519 			}
520 			xo_open_instance("elements");
521 			xo_emit("\tElement {:id/%u}, Type: {:type/%s}\n", e_ptr[j].elm_idx,
522 			    geteltnm(e_ptr[j].elm_type));
523 			xo_emit("\t\tStatus: {:status/%s} ({q:status_code/0x%02x 0x%02x 0x%02x 0x%02x})\n",
524 			    scode2ascii(e_status.cstat[0]), e_status.cstat[0],
525 			    e_status.cstat[1], e_status.cstat[2],
526 			    e_status.cstat[3]);
527 			if (e_desc.elm_desc_len > 0) {
528 				xo_emit("\t\tDescription: {:description/%s}\n",
529 				    e_desc.elm_desc_str);
530 			}
531 			if (e_devname.elm_names_len > 0) {
532 				xo_emit("\t\tDevice Names: {:device_names/%s}\n",
533 				    e_devname.elm_devnames);
534 			}
535 			print_extra_status(e_ptr[j].elm_type, e_status.cstat, PRINT_STYLE_DASHED);
536 			xo_close_instance("elements");
537 		}
538 		xo_close_list("elements");
539 		free(e_ptr);
540 		close(fd);
541 	}
542 	globfree(&g);
543 	free(e_devname.elm_devnames);
544 	free(e_desc.elm_desc_str);
545 	xo_close_list("enclosures");
546 	xo_close_container("sesutil");
547 	xo_finish();
548 
549 	return (EXIT_SUCCESS);
550 }
551 
552 /*
553  * Get rid of the 'passN' devices, unless there's nothing else to show.
554  */
555 static void
556 skip_pass_devices(char *devnames, size_t devnameslen)
557 {
558 	char *dev, devs[128], passes[128], *tmp;
559 
560 	devs[0] = passes[0] = '\0';
561 	tmp = devnames;
562 
563 	while ((dev = strsep(&tmp, ",")) != NULL) {
564 		if (strncmp(dev, "pass", 4) == 0) {
565 			if (passes[0] != '\0')
566 				strlcat(passes, ",", sizeof(passes));
567 			strlcat(passes, dev, sizeof(passes));
568 		} else {
569 			if (devs[0] != '\0')
570 				strlcat(devs, ",", sizeof(devs));
571 			strlcat(devs, dev, sizeof(devs));
572 		}
573 	}
574 	strlcpy(devnames, devs, devnameslen);
575 	if (devnames[0] == '\0')
576 		strlcpy(devnames, passes, devnameslen);
577 }
578 
579 static void
580 fetch_device_details(char *devnames, char **model, char **serial, off_t *size)
581 {
582 	char ident[DISK_IDENT_SIZE];
583 	struct diocgattr_arg arg;
584 	char *tmp;
585 	off_t mediasize;
586 	int comma;
587 	int fd;
588 
589 	comma = (int)strcspn(devnames, ",");
590 	asprintf(&tmp, "/dev/%.*s", comma, devnames);
591 	if (tmp == NULL)
592 		err(1, "asprintf");
593 	fd = open(tmp, O_RDONLY);
594 	free(tmp);
595 	if (fd < 0) {
596 		/*
597 		 * This can happen with a disk so broken it cannot
598 		 * be probed by GEOM.
599 		 */
600 		*model = strdup("?");
601 		*serial = strdup("?");
602 		*size = -1;
603 		close(fd);
604 		return;
605 	}
606 
607 	strlcpy(arg.name, "GEOM::descr", sizeof(arg.name));
608 	arg.len = sizeof(arg.value.str);
609 	if (ioctl(fd, DIOCGATTR, &arg) == 0)
610 		*model = strdup(arg.value.str);
611 	else
612 		*model = NULL;
613 
614 	if (ioctl(fd, DIOCGIDENT, ident) == 0)
615 		*serial = strdup(ident);
616 	else
617 		*serial = NULL;
618 
619 	if (ioctl(fd, DIOCGMEDIASIZE, &mediasize) == 0)
620 		*size = mediasize;
621 	else
622 		*size = -1;
623 	close(fd);
624 }
625 
626 static void
627 show_device(int fd, int elm_idx, encioc_elm_status_t e_status, encioc_elm_desc_t e_desc)
628 {
629 	encioc_elm_devnames_t e_devname;
630 	char *model = NULL, *serial = NULL;
631 	off_t size;
632 
633 	/* Get the device name(s) of the element */
634 	memset(&e_devname, 0, sizeof(e_devname));
635 	e_devname.elm_idx = elm_idx;
636 	e_devname.elm_names_size = 128;
637 	e_devname.elm_devnames = calloc(128, sizeof(char));
638 	if (e_devname.elm_devnames == NULL) {
639 		close(fd);
640 		xo_err(EXIT_FAILURE, "calloc()");
641 	}
642 
643 	if (ioctl(fd, ENCIOC_GETELMDEVNAMES,
644 	    (caddr_t) &e_devname) < 0) {
645 		/* We don't care if this fails */
646 		e_devname.elm_devnames[0] = '\0';
647 		size = -1;
648 	} else {
649 		skip_pass_devices(e_devname.elm_devnames, 128);
650 		fetch_device_details(e_devname.elm_devnames, &model, &serial, &size);
651 	}
652 	xo_open_instance("elements");
653 	xo_emit("{e:type/device_slot}");
654 	xo_emit("{d:description/%-15s} ", e_desc.elm_desc_len > 0 ? e_desc.elm_desc_str : "-");
655 	xo_emit("{e:description/%-15s}", e_desc.elm_desc_len > 0 ? e_desc.elm_desc_str : "");
656 	xo_emit("{d:device_names/%-7s} ", e_devname.elm_names_len > 0 ? e_devname.elm_devnames : "-");
657 	xo_emit("{e:device_names/%s}", e_devname.elm_names_len > 0 ? e_devname.elm_devnames : "");
658 	xo_emit("{d:model/%-25s} ", model ? model : "-");
659 	xo_emit("{e:model/%s}", model ? model : "");
660 	xo_emit("{d:serial/%-20s} ", serial != NULL ? serial : "-");
661 	xo_emit("{e:serial/%s}", serial != NULL ? serial : "");
662 	if ((e_status.cstat[0] & 0xf) == SES_OBJSTAT_OK && size >= 0) {
663 		xo_emit("{h,hn-1000:size/%ld}{e:status/%s}",
664 		    size, scode2ascii(e_status.cstat[0]));
665 	} else {
666 		xo_emit("{:status/%s}", scode2ascii(e_status.cstat[0]));
667 	}
668 	print_extra_status(ELMTYP_ARRAY_DEV, e_status.cstat, PRINT_STYLE_CSV);
669 	xo_emit("\n");
670 	xo_close_instance("elements");
671 	free(serial);
672 	free(model);
673 	free(e_devname.elm_devnames);
674 }
675 
676 static void
677 show_therm(encioc_elm_status_t e_status, encioc_elm_desc_t e_desc)
678 {
679 
680 	if (e_desc.elm_desc_len <= 0) {
681 		/* We don't have a label to display; might as well skip it. */
682 		return;
683 	}
684 
685 	if (e_status.cstat[2] == 0) {
686 		/* No temperature to show. */
687 		return;
688 	}
689 
690 	xo_open_instance("elements");
691 	xo_emit("{e:type/temperature_sensor}");
692 	xo_emit("{:description/%s}: {:temperature/%d}{Uw:C}",
693 	    e_desc.elm_desc_str, e_status.cstat[2] - TEMPERATURE_OFFSET);
694 	xo_close_instance("elements");
695 }
696 
697 static void
698 show_vom(encioc_elm_status_t e_status, encioc_elm_desc_t e_desc)
699 {
700 
701 	if (e_desc.elm_desc_len <= 0) {
702 		/* We don't have a label to display; might as well skip it. */
703 		return;
704 	}
705 
706 	if (e_status.cstat[2] == 0) {
707 		/* No voltage to show. */
708 		return;
709 	}
710 
711 	xo_open_instance("elements");
712 	xo_emit("{e:type/voltage_sensor}");
713 	xo_emit("{:description/%s}: {:voltage/%.2f}{Uw:V}",
714 	    e_desc.elm_desc_str, be16dec(e_status.cstat + 2) / 100.0);
715 	xo_close_instance("elements");
716 }
717 
718 static int
719 show(int argc, char **argv __unused)
720 {
721 	encioc_string_t stri;
722 	encioc_elm_status_t e_status;
723 	encioc_elm_desc_t e_desc;
724 	encioc_element_t *e_ptr;
725 	glob_t g;
726 	elm_type_t prev_type;
727 	int fd;
728 	unsigned int j, nobj;
729 	size_t i;
730 	bool first_ses;
731 	char str[32];
732 
733 	if (argc != 1) {
734 		usage(stderr, "map");
735 	}
736 
737 	first_ses = true;
738 
739 	e_desc.elm_desc_str = calloc(UINT16_MAX, sizeof(char));
740 	if (e_desc.elm_desc_str == NULL)
741 		xo_err(EXIT_FAILURE, "calloc()");
742 
743 	/* Get the list of ses devices */
744 	if (glob(uflag, 0, NULL, &g) == GLOB_NOMATCH) {
745 		globfree(&g);
746 		xo_errx(EXIT_FAILURE, "No SES devices found");
747 	}
748 	xo_set_version(SESUTIL_XO_VERSION);
749 	xo_open_container("sesutil");
750 	xo_open_list("enclosures");
751 	for (i = 0; i < g.gl_pathc; i++) {
752 		/* ensure we only got numbers after ses */
753 		if (strspn(g.gl_pathv[i] + 8, "0123456789") !=
754 		    strlen(g.gl_pathv[i] + 8)) {
755 			continue;
756 		}
757 		if ((fd = open(g.gl_pathv[i], O_RDWR)) < 0) {
758 			/*
759 			 * Don't treat non-access errors as critical if we are
760 			 * accessing all devices
761 			 */
762 			if (errno == EACCES && g.gl_pathc > 1) {
763 				xo_err(EXIT_FAILURE, "unable to access SES device");
764 			}
765 			xo_warn("unable to access SES device: %s", g.gl_pathv[i]);
766 			continue;
767 		}
768 
769 		if (ioctl(fd, ENCIOC_GETNELM, (caddr_t) &nobj) < 0) {
770 			close(fd);
771 			xo_err(EXIT_FAILURE, "ENCIOC_GETNELM");
772 		}
773 
774 		e_ptr = calloc(nobj, sizeof(encioc_element_t));
775 		if (e_ptr == NULL) {
776 			close(fd);
777 			xo_err(EXIT_FAILURE, "calloc()");
778 		}
779 
780 		if (ioctl(fd, ENCIOC_GETELMMAP, (caddr_t) e_ptr) < 0) {
781 			close(fd);
782 			xo_err(EXIT_FAILURE, "ENCIOC_GETELMMAP");
783 		}
784 
785 		xo_open_instance("enclosures");
786 
787 		if (first_ses)
788 			first_ses = false;
789 		else
790 			xo_emit("\n");
791 
792 		xo_emit("{t:enc/%s}: ", g.gl_pathv[i] + 5);
793 		stri.bufsiz = sizeof(str);
794 		stri.buf = &str[0];
795 		if (ioctl(fd, ENCIOC_GETENCNAME, (caddr_t) &stri) == 0)
796 			xo_emit("<{t:name/%s}>; ", stri.buf);
797 		stri.bufsiz = sizeof(str);
798 		stri.buf = &str[0];
799 		if (ioctl(fd, ENCIOC_GETENCID, (caddr_t) &stri) == 0)
800 			xo_emit("ID: {t:id/%s}", stri.buf);
801 		xo_emit("\n");
802 
803 		xo_open_list("elements");
804 		prev_type = -1;
805 		for (j = 0; j < nobj; j++) {
806 			/* Get the status of the element */
807 			memset(&e_status, 0, sizeof(e_status));
808 			e_status.elm_idx = e_ptr[j].elm_idx;
809 			if (ioctl(fd, ENCIOC_GETELMSTAT,
810 			    (caddr_t) &e_status) < 0) {
811 				close(fd);
812 				xo_err(EXIT_FAILURE, "ENCIOC_GETELMSTAT");
813 			}
814 
815 			/*
816 			 * Skip "Unsupported" elements; those usually precede
817 			 * the actual device entries and are not particularly
818 			 * interesting.
819 			 */
820 			if (e_status.cstat[0] == SES_OBJSTAT_UNSUPPORTED)
821 				continue;
822 
823 			/* Get the description of the element */
824 			e_desc.elm_idx = e_ptr[j].elm_idx;
825 			e_desc.elm_desc_len = UINT16_MAX;
826 			if (ioctl(fd, ENCIOC_GETELMDESC,
827 			    (caddr_t) &e_desc) < 0) {
828 				close(fd);
829 				xo_err(EXIT_FAILURE, "ENCIOC_GETELMDESC");
830 			}
831 			e_desc.elm_desc_str[e_desc.elm_desc_len] = '\0';
832 
833 			switch (e_ptr[j].elm_type) {
834 			case ELMTYP_DEVICE:
835 			case ELMTYP_ARRAY_DEV:
836 				if (e_ptr[j].elm_type != prev_type)
837 					xo_emit("Desc            Dev     Model                     Ident                Size/Status\n");
838 
839 				show_device(fd, e_ptr[j].elm_idx, e_status, e_desc);
840 				prev_type = e_ptr[j].elm_type;
841 				break;
842 			case ELMTYP_THERM:
843 				if (e_ptr[j].elm_type != prev_type)
844 					xo_emit("\nTemperatures: ");
845 				else
846 					xo_emit(", ");
847 				prev_type = e_ptr[j].elm_type;
848 				show_therm(e_status, e_desc);
849 				break;
850 			case ELMTYP_VOM:
851 				if (e_ptr[j].elm_type != prev_type)
852 					xo_emit("\nVoltages: ");
853 				else
854 					xo_emit(", ");
855 				prev_type = e_ptr[j].elm_type;
856 				show_vom(e_status, e_desc);
857 				break;
858 			default:
859 				/*
860 				 * Ignore stuff not interesting to the user.
861 				 */
862 				break;
863 			}
864 		}
865 		if (prev_type != (elm_type_t)-1 &&
866 		    prev_type != ELMTYP_DEVICE && prev_type != ELMTYP_ARRAY_DEV)
867 			xo_emit("\n");
868 		xo_close_list("elements");
869 		free(e_ptr);
870 		close(fd);
871 	}
872 	globfree(&g);
873 	free(e_desc.elm_desc_str);
874 	xo_close_list("enclosures");
875 	xo_close_container("sesutil");
876 	xo_finish();
877 
878 	return (EXIT_SUCCESS);
879 }
880 
881 static int
882 encstatus(int argc, char **argv __unused)
883 {
884 	glob_t g;
885 	int fd, status;
886 	size_t i, e;
887 	u_char estat;
888 
889 	status = 0;
890 	if (argc != 1) {
891 		usage(stderr, "status");
892 	}
893 
894 	/* Get the list of ses devices */
895 	if (glob(uflag, 0, NULL, &g) == GLOB_NOMATCH) {
896 		globfree(&g);
897 		xo_errx(EXIT_FAILURE, "No SES devices found");
898 	}
899 
900 	xo_set_version(SESUTIL_XO_VERSION);
901 	xo_open_container("sesutil");
902 	xo_open_list("enclosures");
903 	for (i = 0; i < g.gl_pathc; i++) {
904 		/* ensure we only got numbers after ses */
905 		if (strspn(g.gl_pathv[i] + 8, "0123456789") !=
906 		    strlen(g.gl_pathv[i] + 8)) {
907 			continue;
908 		}
909 		if ((fd = open(g.gl_pathv[i], O_RDWR)) < 0) {
910 			/*
911 			 * Don't treat non-access errors as critical if we are
912 			 * accessing all devices
913 			 */
914 			if (errno == EACCES && g.gl_pathc > 1) {
915 				xo_err(EXIT_FAILURE, "unable to access SES device");
916 			}
917 			xo_warn("unable to access SES device: %s", g.gl_pathv[i]);
918 			continue;
919 		}
920 
921 		if (ioctl(fd, ENCIOC_GETENCSTAT, (caddr_t) &estat) < 0) {
922 			xo_err(EXIT_FAILURE, "ENCIOC_GETENCSTAT");
923 			close(fd);
924 		}
925 
926 		xo_open_instance("enclosures");
927 		xo_emit("{:enc/%s}: ", g.gl_pathv[i] + 5);
928 		e = 0;
929 		if (estat == 0) {
930 			if (status == 0) {
931 				status = 1;
932 			}
933 			xo_emit("{q:status/OK}");
934 		} else {
935 			if (estat & SES_ENCSTAT_INFO) {
936 				xo_emit("{lq:status/INFO}");
937 				e++;
938 			}
939 			if (estat & SES_ENCSTAT_NONCRITICAL) {
940 				if (e)
941 					xo_emit(",");
942 				xo_emit("{lq:status/NONCRITICAL}");
943 				e++;
944 			}
945 			if (estat & SES_ENCSTAT_CRITICAL) {
946 				if (e)
947 					xo_emit(",");
948 				xo_emit("{lq:status/CRITICAL}");
949 				e++;
950 				status = -1;
951 			}
952 			if (estat & SES_ENCSTAT_UNRECOV) {
953 				if (e)
954 					xo_emit(",");
955 				xo_emit("{lq:status/UNRECOV}");
956 				e++;
957 				status = -1;
958 			}
959 		}
960 		xo_close_instance("enclosures");
961 		xo_emit("\n");
962 		close(fd);
963 	}
964 	globfree(&g);
965 
966 	xo_close_list("enclosures");
967 	xo_close_container("sesutil");
968 	xo_finish();
969 
970 	if (status == 1) {
971 		return (EXIT_SUCCESS);
972 	} else {
973 		return (EXIT_FAILURE);
974 	}
975 }
976 
977 int
978 main(int argc, char **argv)
979 {
980 	int i, ch;
981 	struct command *cmd = NULL;
982 
983 	argc = xo_parse_args(argc, argv);
984 	if (argc < 0)
985 		exit(1);
986 
987 	uflag = "/dev/ses[0-9]*";
988 	while ((ch = getopt_long(argc, argv, "u:", NULL, NULL)) != -1) {
989 		switch (ch) {
990 		case 'u':
991 			uflag = optarg;
992 			break;
993 		case '?':
994 		default:
995 			usage(stderr, NULL);
996 		}
997 	}
998 	argc -= optind;
999 	argv += optind;
1000 
1001 	if (argc < 1) {
1002 		warnx("Missing command");
1003 		usage(stderr, NULL);
1004 	}
1005 
1006 	for (i = 0; i < nbcmds; i++) {
1007 		if (strcmp(argv[0], cmds[i].name) == 0) {
1008 			cmd = &cmds[i];
1009 			break;
1010 		}
1011 	}
1012 
1013 	if (cmd == NULL) {
1014 		warnx("unknown command %s", argv[0]);
1015 		usage(stderr, NULL);
1016 	}
1017 
1018 	return (cmd->exec(argc, argv));
1019 }
1020