xref: /freebsd/usr.sbin/sesutil/sesutil.c (revision 5a5c2279813012882e59aa7bb51d50c5baba3b1e)
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 #include <sys/endian.h>
35 #include <sys/param.h>
36 #include <sys/disk.h>
37 #include <sys/ioctl.h>
38 #include <sys/types.h>
39 
40 #include <err.h>
41 #include <errno.h>
42 #include <fcntl.h>
43 #include <getopt.h>
44 #include <glob.h>
45 #include <stdbool.h>
46 #include <stddef.h>
47 #include <stdint.h>
48 #include <stdio.h>
49 #include <stdlib.h>
50 #include <string.h>
51 #include <unistd.h>
52 #include <libxo/xo.h>
53 
54 #include <cam/scsi/scsi_enc.h>
55 
56 #include "eltsub.h"
57 
58 #define SESUTIL_XO_VERSION	"1"
59 
60 #define TEMPERATURE_OFFSET	20
61 
62 #define PRINT_STYLE_DASHED	0
63 #define PRINT_STYLE_DASHED_2	1
64 #define PRINT_STYLE_CSV 	2
65 #define PRINT_STYLE_CSV_2	3
66 
67 static int encstatus(int argc, char **argv);
68 static int fault(int argc, char **argv);
69 static int locate(int argc, char **argv);
70 static int objmap(int argc, char **argv);
71 static int sesled(int argc, char **argv, bool fault);
72 static int show(int argc, char **argv);
73 static void sesutil_print(int *style, const char *fmt, ...) __printflike(2,3);
74 
75 static struct command {
76 	const char *name;
77 	const char *param;
78 	const char *desc;
79 	int (*exec)(int argc, char **argv);
80 } cmds[] = {
81 	{ "fault",
82 	    "(<disk>|<sesid>|all) (on|off)",
83 	    "Change the state of the fault LED associated with a disk",
84 	    fault },
85 	{ "locate",
86 	    "(<disk>|<sesid>|all) (on|off)",
87 	    "Change the state of the locate LED associated with a disk",
88 	    locate },
89 	{ "map", "",
90 	    "Print a map of the devices managed by the enclosure", objmap } ,
91 	{ "show", "",
92 	    "Print a human-friendly summary of the enclosure", show } ,
93 	{ "status", "", "Print the status of the enclosure",
94 	    encstatus },
95 };
96 
97 static const int nbcmds = nitems(cmds);
98 static const char *uflag;
99 
100 static void
101 usage(FILE *out, const char *subcmd)
102 {
103 	int i;
104 
105 	if (subcmd == NULL) {
106 		fprintf(out, "Usage: %s [-u /dev/ses<N>] <command> [options]\n",
107 		    getprogname());
108 		fprintf(out, "Commands supported:\n");
109 	}
110 	for (i = 0; i < nbcmds; i++) {
111 		if (subcmd != NULL) {
112 			if (strcmp(subcmd, cmds[i].name) == 0) {
113 				fprintf(out, "Usage: %s %s [-u /dev/ses<N>] "
114 				    "%s\n\t%s\n", getprogname(), subcmd,
115 				    cmds[i].param, cmds[i].desc);
116 				break;
117 			}
118 			continue;
119 		}
120 		fprintf(out, "    %-12s%s\n\t\t%s\n\n", cmds[i].name,
121 		    cmds[i].param, cmds[i].desc);
122 	}
123 
124 	exit(EXIT_FAILURE);
125 }
126 
127 static void
128 do_led(int fd, unsigned int idx, elm_type_t type, bool onoff, bool setfault)
129 {
130 	int state = onoff ? 1 : 0;
131 	encioc_elm_status_t o;
132 	struct ses_ctrl_dev_slot *slot;
133 
134 	o.elm_idx = idx;
135 	if (ioctl(fd, ENCIOC_GETELMSTAT, (caddr_t) &o) < 0) {
136 		close(fd);
137 		xo_err(EXIT_FAILURE, "ENCIOC_GETELMSTAT");
138 	}
139 	ses_status_to_ctrl(type, &o.cstat[0]);
140 	switch (type) {
141 	case ELMTYP_DEVICE:
142 	case ELMTYP_ARRAY_DEV:
143 		slot = (struct ses_ctrl_dev_slot *) &o.cstat[0];
144 		ses_ctrl_common_set_select(&slot->common, 1);
145 		if (setfault)
146 			ses_ctrl_dev_slot_set_rqst_fault(slot, state);
147 		else
148 			ses_ctrl_dev_slot_set_rqst_ident(slot, state);
149 		break;
150 	default:
151 		return;
152 	}
153 	if (ioctl(fd, ENCIOC_SETELMSTAT, (caddr_t) &o) < 0) {
154 		close(fd);
155 		xo_err(EXIT_FAILURE, "ENCIOC_SETELMSTAT");
156 	}
157 }
158 
159 static bool
160 disk_match(const char *devnames, const char *disk, size_t len)
161 {
162 	const char *dname;
163 
164 	dname = devnames;
165 	while ((dname = strstr(dname, disk)) != NULL) {
166 		if (dname[len] == '\0' || dname[len] == ',') {
167 			return (true);
168 		}
169 		dname++;
170 	}
171 
172 	return (false);
173 }
174 
175 static int
176 sesled(int argc, char **argv, bool setfault)
177 {
178 	encioc_elm_devnames_t objdn;
179 	encioc_element_t *objp;
180 	glob_t g;
181 	char *disk, *endptr;
182 	size_t len, i, ndisks;
183 	int fd;
184 	unsigned int nobj, j, sesid;
185 	bool all, isses, onoff;
186 
187 	isses = false;
188 	all = false;
189 	onoff = false;
190 
191 	if (argc != 3) {
192 		usage(stderr, (setfault ? "fault" : "locate"));
193 	}
194 
195 	disk = argv[1];
196 
197 	sesid = strtoul(disk, &endptr, 10);
198 	if (*endptr == '\0') {
199 		endptr = strrchr(uflag, '*');
200 		if (endptr != NULL && *endptr == '*') {
201 			xo_warnx("Must specifying a SES device (-u) to use a SES "
202 			    "id# to identify a disk");
203 			usage(stderr, (setfault ? "fault" : "locate"));
204 		}
205 		isses = true;
206 	}
207 
208 	if (strcmp(argv[2], "on") == 0) {
209 		onoff = true;
210 	} else if (strcmp(argv[2], "off") == 0) {
211 		onoff = false;
212 	} else {
213 		usage(stderr, (setfault ? "fault" : "locate"));
214 	}
215 
216 	if (strcmp(disk, "all") == 0) {
217 		all = true;
218 	}
219 	len = strlen(disk);
220 
221 	/* Get the list of ses devices */
222 	if (glob((uflag != NULL ? uflag : "/dev/ses[0-9]*"), 0, NULL, &g) ==
223 	    GLOB_NOMATCH) {
224 		globfree(&g);
225 		xo_errx(EXIT_FAILURE, "No SES devices found");
226 	}
227 
228 	ndisks = 0;
229 	for (i = 0; i < g.gl_pathc; i++) {
230 		/* ensure we only got numbers after ses */
231 		if (strspn(g.gl_pathv[i] + 8, "0123456789") !=
232 		    strlen(g.gl_pathv[i] + 8)) {
233 			continue;
234 		}
235 		if ((fd = open(g.gl_pathv[i], O_RDWR)) < 0) {
236 			/*
237 			 * Don't treat non-access errors as critical if we are
238 			 * accessing all devices
239 			 */
240 			if (errno == EACCES && g.gl_pathc > 1) {
241 				xo_err(EXIT_FAILURE, "unable to access SES device");
242 			}
243 			xo_warn("unable to access SES device: %s", g.gl_pathv[i]);
244 			continue;
245 		}
246 
247 		if (ioctl(fd, ENCIOC_GETNELM, (caddr_t) &nobj) < 0) {
248 			close(fd);
249 			xo_err(EXIT_FAILURE, "ENCIOC_GETNELM");
250 		}
251 
252 		objp = calloc(nobj, sizeof(encioc_element_t));
253 		if (objp == NULL) {
254 			close(fd);
255 			xo_err(EXIT_FAILURE, "calloc()");
256 		}
257 
258 		if (ioctl(fd, ENCIOC_GETELMMAP, (caddr_t) objp) < 0) {
259 			free(objp);
260 			close(fd);
261 			xo_err(EXIT_FAILURE, "ENCIOC_GETELMMAP");
262 		}
263 
264 		if (isses) {
265 			if (sesid >= nobj) {
266 				free(objp);
267 				close(fd);
268 				xo_errx(EXIT_FAILURE,
269 				     "Requested SES ID does not exist");
270 			}
271 			do_led(fd, sesid, objp[sesid].elm_type, onoff, setfault);
272 			ndisks++;
273 			free(objp);
274 			close(fd);
275 			break;
276 		}
277 		for (j = 0; j < nobj; j++) {
278 			const int devnames_size = 128;
279 			char devnames[devnames_size];
280 
281 			if (all) {
282 				encioc_elm_status_t es;
283 				memset(&es, 0, sizeof(es));
284 				es.elm_idx = objp[j].elm_idx;
285 				if (ioctl(fd, ENCIOC_GETELMSTAT, &es) < 0) {
286 					close(fd);
287 					xo_err(EXIT_FAILURE,
288 						"ENCIOC_GETELMSTAT");
289 				}
290 				if ((es.cstat[0] & 0xf) == SES_OBJSTAT_NOACCESS)
291 					continue;
292 				do_led(fd, objp[j].elm_idx, objp[j].elm_type,
293 				    onoff, setfault);
294 				continue;
295 			}
296 			memset(&objdn, 0, sizeof(objdn));
297 			memset(devnames, 0, devnames_size);
298 			objdn.elm_idx = objp[j].elm_idx;
299 			objdn.elm_names_size = devnames_size;
300 			objdn.elm_devnames = devnames;
301 			if (ioctl(fd, ENCIOC_GETELMDEVNAMES,
302 			    (caddr_t) &objdn) <0) {
303 				continue;
304 			}
305 			if (objdn.elm_names_len > 0) {
306 				if (disk_match(objdn.elm_devnames, disk, len)) {
307 					do_led(fd, objdn.elm_idx, objp[j].elm_type,
308 					    onoff, setfault);
309 					ndisks++;
310 					break;
311 				}
312 			}
313 		}
314 		free(objp);
315 		close(fd);
316 	}
317 	globfree(&g);
318 	if (ndisks == 0 && all == false) {
319 		xo_errx(EXIT_FAILURE, "Could not find the SES id of device '%s'",
320 		    disk);
321 	}
322 
323 	return (EXIT_SUCCESS);
324 }
325 
326 static int
327 locate(int argc, char **argv)
328 {
329 
330 	return (sesled(argc, argv, false));
331 }
332 
333 static int
334 fault(int argc, char **argv)
335 {
336 
337 	return (sesled(argc, argv, true));
338 }
339 
340 static void
341 sesutil_print(int *style, const char *fmt, ...)
342 {
343 	va_list args;
344 
345 	if (*style == PRINT_STYLE_DASHED) {
346 		xo_open_container("extra_status");
347 		xo_emit("\t\tExtra status:\n");
348 		*style = PRINT_STYLE_DASHED_2;
349 	} else if (*style == PRINT_STYLE_CSV) {
350 		xo_open_container("extra_status");
351 		*style = PRINT_STYLE_CSV_2;
352 	}
353 
354 	if (*style == PRINT_STYLE_DASHED_2)
355 		xo_emit("\t\t- ");
356 	else if (*style == PRINT_STYLE_CSV_2)
357 		xo_emit(", ");
358 	va_start(args, fmt);
359 	xo_emit_hv(NULL, fmt, args);
360 	va_end(args);
361 	if (*style == PRINT_STYLE_DASHED_2)
362 		xo_emit("\n");
363 }
364 
365 static void
366 print_extra_status(int eletype, u_char *cstat, int style)
367 {
368 
369 	if (cstat[0] & 0x40) {
370 		sesutil_print(&style, "{e:predicted_failure/true} Predicted Failure");
371 	}
372 	if (cstat[0] & 0x20) {
373 		sesutil_print(&style, "{e:disabled/true} Disabled");
374 	}
375 	if (cstat[0] & 0x10) {
376 		sesutil_print(&style, "{e:swapped/true} Swapped");
377 	}
378 	switch (eletype) {
379 	case ELMTYP_DEVICE:
380 	case ELMTYP_ARRAY_DEV:
381 		if (cstat[2] & 0x02) {
382 			sesutil_print(&style, "LED={q:led/locate}");
383 		}
384 		if (cstat[2] & 0x20) {
385 			sesutil_print(&style, "LED={q:led/fault}");
386 		}
387 		break;
388 	case ELMTYP_FAN:
389 		sesutil_print(&style, "Speed: {:speed/%d}{Uw:rpm}",
390 		    (((0x7 & cstat[1]) << 8) + cstat[2]) * 10);
391 		break;
392 	case ELMTYP_THERM:
393 		if (cstat[2]) {
394 			sesutil_print(&style, "Temperature: {:temperature/%d}{Uw:C}",
395 			    cstat[2] - TEMPERATURE_OFFSET);
396 		} else {
397 			sesutil_print(&style, "Temperature: -{q:temperature/reserved}");
398 		}
399 		break;
400 	case ELMTYP_VOM:
401 		sesutil_print(&style, "Voltage: {:voltage/%.2f}{Uw:V}",
402 		    be16dec(cstat + 2) / 100.0);
403 		break;
404 	}
405 	if (style) {
406 		xo_close_container("extra_status");
407 	}
408 }
409 
410 static int
411 objmap(int argc, char **argv __unused)
412 {
413 	encioc_string_t stri;
414 	encioc_elm_devnames_t e_devname;
415 	encioc_elm_status_t e_status;
416 	encioc_elm_desc_t e_desc;
417 	encioc_element_t *e_ptr;
418 	glob_t g;
419 	int fd;
420 	unsigned int j, nobj;
421 	size_t i;
422 	char str[32];
423 
424 	if (argc != 1) {
425 		usage(stderr, "map");
426 	}
427 
428 	memset(&e_desc, 0, sizeof(e_desc));
429 	/* SES4r02 allows element descriptors of up to 65536 characters */
430 	e_desc.elm_desc_str = calloc(UINT16_MAX, sizeof(char));
431 	if (e_desc.elm_desc_str == NULL)
432 		xo_err(EXIT_FAILURE, "calloc()");
433 
434 	e_devname.elm_devnames = calloc(128, sizeof(char));
435 	if (e_devname.elm_devnames == NULL)
436 		xo_err(EXIT_FAILURE, "calloc()");
437 	e_devname.elm_names_size = 128;
438 
439 	/* Get the list of ses devices */
440 	if (glob(uflag, 0, NULL, &g) == GLOB_NOMATCH) {
441 		globfree(&g);
442 		xo_errx(EXIT_FAILURE, "No SES devices found");
443 	}
444 	xo_set_version(SESUTIL_XO_VERSION);
445 	xo_open_container("sesutil");
446 	xo_open_list("enclosures");
447 	for (i = 0; i < g.gl_pathc; i++) {
448 		/* ensure we only got numbers after ses */
449 		if (strspn(g.gl_pathv[i] + 8, "0123456789") !=
450 		    strlen(g.gl_pathv[i] + 8)) {
451 			continue;
452 		}
453 		if ((fd = open(g.gl_pathv[i], O_RDWR)) < 0) {
454 			/*
455 			 * Don't treat non-access errors as critical if we are
456 			 * accessing all devices
457 			 */
458 			if (errno == EACCES && g.gl_pathc > 1) {
459 				xo_err(EXIT_FAILURE, "unable to access SES device");
460 			}
461 			xo_warn("unable to access SES device: %s", g.gl_pathv[i]);
462 			continue;
463 		}
464 
465 		if (ioctl(fd, ENCIOC_GETNELM, (caddr_t) &nobj) < 0) {
466 			close(fd);
467 			xo_err(EXIT_FAILURE, "ENCIOC_GETNELM");
468 		}
469 
470 		e_ptr = calloc(nobj, sizeof(encioc_element_t));
471 		if (e_ptr == NULL) {
472 			close(fd);
473 			xo_err(EXIT_FAILURE, "calloc()");
474 		}
475 
476 		if (ioctl(fd, ENCIOC_GETELMMAP, (caddr_t) e_ptr) < 0) {
477 			close(fd);
478 			xo_err(EXIT_FAILURE, "ENCIOC_GETELMMAP");
479 		}
480 
481 		xo_open_instance("enclosures");
482 		xo_emit("{t:enc/%s}:\n", g.gl_pathv[i] + 5);
483 		stri.bufsiz = sizeof(str);
484 		stri.buf = &str[0];
485 		if (ioctl(fd, ENCIOC_GETENCNAME, (caddr_t) &stri) == 0)
486 			xo_emit("\tEnclosure Name: {t:name/%s}\n", stri.buf);
487 		stri.bufsiz = sizeof(str);
488 		stri.buf = &str[0];
489 		if (ioctl(fd, ENCIOC_GETENCID, (caddr_t) &stri) == 0)
490 			xo_emit("\tEnclosure ID: {t:id/%s}\n", stri.buf);
491 
492 		xo_open_list("elements");
493 		for (j = 0; j < nobj; j++) {
494 			/* Get the status of the element */
495 			memset(&e_status, 0, sizeof(e_status));
496 			e_status.elm_idx = e_ptr[j].elm_idx;
497 			if (ioctl(fd, ENCIOC_GETELMSTAT,
498 			    (caddr_t) &e_status) < 0) {
499 				close(fd);
500 				xo_err(EXIT_FAILURE, "ENCIOC_GETELMSTAT");
501 			}
502 			/* Get the description of the element */
503 			e_desc.elm_idx = e_ptr[j].elm_idx;
504 			e_desc.elm_desc_len = UINT16_MAX;
505 			if (ioctl(fd, ENCIOC_GETELMDESC,
506 			    (caddr_t) &e_desc) < 0) {
507 				close(fd);
508 				xo_err(EXIT_FAILURE, "ENCIOC_GETELMDESC");
509 			}
510 			e_desc.elm_desc_str[e_desc.elm_desc_len] = '\0';
511 			/* Get the device name(s) of the element */
512 			e_devname.elm_idx = e_ptr[j].elm_idx;
513 			if (ioctl(fd, ENCIOC_GETELMDEVNAMES,
514 			    (caddr_t) &e_devname) <0) {
515 				/* Continue even if we can't look up devnames */
516 				e_devname.elm_devnames[0] = '\0';
517 			}
518 			xo_open_instance("elements");
519 			xo_emit("\tElement {:id/%u}, Type: {:type/%s}\n", e_ptr[j].elm_idx,
520 			    geteltnm(e_ptr[j].elm_type));
521 			xo_emit("\t\tStatus: {:status/%s} ({q:status_code/0x%02x 0x%02x 0x%02x 0x%02x})\n",
522 			    scode2ascii(e_status.cstat[0]), e_status.cstat[0],
523 			    e_status.cstat[1], e_status.cstat[2],
524 			    e_status.cstat[3]);
525 			if (e_desc.elm_desc_len > 0) {
526 				xo_emit("\t\tDescription: {:description/%s}\n",
527 				    e_desc.elm_desc_str);
528 			}
529 			if (e_devname.elm_names_len > 0) {
530 				xo_emit("\t\tDevice Names: {:device_names/%s}\n",
531 				    e_devname.elm_devnames);
532 			}
533 			print_extra_status(e_ptr[j].elm_type, e_status.cstat, PRINT_STYLE_DASHED);
534 			xo_close_instance("elements");
535 		}
536 		xo_close_list("elements");
537 		free(e_ptr);
538 		close(fd);
539 	}
540 	globfree(&g);
541 	free(e_devname.elm_devnames);
542 	free(e_desc.elm_desc_str);
543 	xo_close_list("enclosures");
544 	xo_close_container("sesutil");
545 	xo_finish();
546 
547 	return (EXIT_SUCCESS);
548 }
549 
550 /*
551  * Get rid of the 'passN' devices, unless there's nothing else to show.
552  */
553 static void
554 skip_pass_devices(char *devnames, size_t devnameslen)
555 {
556 	char *dev, devs[128], passes[128], *tmp;
557 
558 	devs[0] = passes[0] = '\0';
559 	tmp = devnames;
560 
561 	while ((dev = strsep(&tmp, ",")) != NULL) {
562 		if (strncmp(dev, "pass", 4) == 0) {
563 			if (passes[0] != '\0')
564 				strlcat(passes, ",", sizeof(passes));
565 			strlcat(passes, dev, sizeof(passes));
566 		} else {
567 			if (devs[0] != '\0')
568 				strlcat(devs, ",", sizeof(devs));
569 			strlcat(devs, dev, sizeof(devs));
570 		}
571 	}
572 	strlcpy(devnames, devs, devnameslen);
573 	if (devnames[0] == '\0')
574 		strlcpy(devnames, passes, devnameslen);
575 }
576 
577 static void
578 fetch_device_details(char *devnames, char **model, char **serial, off_t *size)
579 {
580 	char ident[DISK_IDENT_SIZE];
581 	struct diocgattr_arg arg;
582 	char *tmp;
583 	off_t mediasize;
584 	int comma;
585 	int fd;
586 
587 	comma = (int)strcspn(devnames, ",");
588 	asprintf(&tmp, "/dev/%.*s", comma, devnames);
589 	if (tmp == NULL)
590 		err(1, "asprintf");
591 	fd = open(tmp, O_RDONLY);
592 	free(tmp);
593 	if (fd < 0) {
594 		/*
595 		 * This can happen with a disk so broken it cannot
596 		 * be probed by GEOM.
597 		 */
598 		*model = strdup("?");
599 		*serial = strdup("?");
600 		*size = -1;
601 		close(fd);
602 		return;
603 	}
604 
605 	strlcpy(arg.name, "GEOM::descr", sizeof(arg.name));
606 	arg.len = sizeof(arg.value.str);
607 	if (ioctl(fd, DIOCGATTR, &arg) == 0)
608 		*model = strdup(arg.value.str);
609 	else
610 		*model = NULL;
611 
612 	if (ioctl(fd, DIOCGIDENT, ident) == 0)
613 		*serial = strdup(ident);
614 	else
615 		*serial = NULL;
616 
617 	if (ioctl(fd, DIOCGMEDIASIZE, &mediasize) == 0)
618 		*size = mediasize;
619 	else
620 		*size = -1;
621 	close(fd);
622 }
623 
624 static void
625 show_device(int fd, int elm_idx, encioc_elm_status_t e_status, encioc_elm_desc_t e_desc)
626 {
627 	encioc_elm_devnames_t e_devname;
628 	char *model = NULL, *serial = NULL;
629 	off_t size;
630 
631 	/* Get the device name(s) of the element */
632 	memset(&e_devname, 0, sizeof(e_devname));
633 	e_devname.elm_idx = elm_idx;
634 	e_devname.elm_names_size = 128;
635 	e_devname.elm_devnames = calloc(128, sizeof(char));
636 	if (e_devname.elm_devnames == NULL) {
637 		close(fd);
638 		xo_err(EXIT_FAILURE, "calloc()");
639 	}
640 
641 	if (ioctl(fd, ENCIOC_GETELMDEVNAMES,
642 	    (caddr_t) &e_devname) < 0) {
643 		/* We don't care if this fails */
644 		e_devname.elm_devnames[0] = '\0';
645 		size = -1;
646 	} else {
647 		skip_pass_devices(e_devname.elm_devnames, 128);
648 		fetch_device_details(e_devname.elm_devnames, &model, &serial, &size);
649 	}
650 	xo_open_instance("elements");
651 	xo_emit("{e:type/device_slot}");
652 	xo_emit("{d:description/%-15s} ", e_desc.elm_desc_len > 0 ? e_desc.elm_desc_str : "-");
653 	xo_emit("{e:description/%-15s}", e_desc.elm_desc_len > 0 ? e_desc.elm_desc_str : "");
654 	xo_emit("{d:device_names/%-7s} ", e_devname.elm_names_len > 0 ? e_devname.elm_devnames : "-");
655 	xo_emit("{e:device_names/%s}", e_devname.elm_names_len > 0 ? e_devname.elm_devnames : "");
656 	xo_emit("{d:model/%-25s} ", model ? model : "-");
657 	xo_emit("{e:model/%s}", model ? model : "");
658 	xo_emit("{d:serial/%-20s} ", serial != NULL ? serial : "-");
659 	xo_emit("{e:serial/%s}", serial != NULL ? serial : "");
660 	if ((e_status.cstat[0] & 0xf) == SES_OBJSTAT_OK && size >= 0) {
661 		xo_emit("{h,hn-1000:size/%ld}{e:status/%s}",
662 		    size, scode2ascii(e_status.cstat[0]));
663 	} else {
664 		xo_emit("{:status/%s}", scode2ascii(e_status.cstat[0]));
665 	}
666 	print_extra_status(ELMTYP_ARRAY_DEV, e_status.cstat, PRINT_STYLE_CSV);
667 	xo_emit("\n");
668 	xo_close_instance("elements");
669 	free(serial);
670 	free(model);
671 	free(e_devname.elm_devnames);
672 }
673 
674 static void
675 show_therm(encioc_elm_status_t e_status, encioc_elm_desc_t e_desc)
676 {
677 
678 	if (e_desc.elm_desc_len <= 0) {
679 		/* We don't have a label to display; might as well skip it. */
680 		return;
681 	}
682 
683 	if (e_status.cstat[2] == 0) {
684 		/* No temperature to show. */
685 		return;
686 	}
687 
688 	xo_open_instance("elements");
689 	xo_emit("{e:type/temperature_sensor}");
690 	xo_emit("{:description/%s}: {:temperature/%d}{Uw:C}",
691 	    e_desc.elm_desc_str, e_status.cstat[2] - TEMPERATURE_OFFSET);
692 	xo_close_instance("elements");
693 }
694 
695 static void
696 show_vom(encioc_elm_status_t e_status, encioc_elm_desc_t e_desc)
697 {
698 
699 	if (e_desc.elm_desc_len <= 0) {
700 		/* We don't have a label to display; might as well skip it. */
701 		return;
702 	}
703 
704 	if (e_status.cstat[2] == 0) {
705 		/* No voltage to show. */
706 		return;
707 	}
708 
709 	xo_open_instance("elements");
710 	xo_emit("{e:type/voltage_sensor}");
711 	xo_emit("{:description/%s}: {:voltage/%.2f}{Uw:V}",
712 	    e_desc.elm_desc_str, be16dec(e_status.cstat + 2) / 100.0);
713 	xo_close_instance("elements");
714 }
715 
716 static int
717 show(int argc, char **argv __unused)
718 {
719 	encioc_string_t stri;
720 	encioc_elm_status_t e_status;
721 	encioc_elm_desc_t e_desc;
722 	encioc_element_t *e_ptr;
723 	glob_t g;
724 	elm_type_t prev_type;
725 	int fd;
726 	unsigned int j, nobj;
727 	size_t i;
728 	bool first_ses;
729 	char str[32];
730 
731 	if (argc != 1) {
732 		usage(stderr, "map");
733 	}
734 
735 	first_ses = true;
736 
737 	e_desc.elm_desc_str = calloc(UINT16_MAX, sizeof(char));
738 	if (e_desc.elm_desc_str == NULL)
739 		xo_err(EXIT_FAILURE, "calloc()");
740 
741 	/* Get the list of ses devices */
742 	if (glob(uflag, 0, NULL, &g) == GLOB_NOMATCH) {
743 		globfree(&g);
744 		xo_errx(EXIT_FAILURE, "No SES devices found");
745 	}
746 	xo_set_version(SESUTIL_XO_VERSION);
747 	xo_open_container("sesutil");
748 	xo_open_list("enclosures");
749 	for (i = 0; i < g.gl_pathc; i++) {
750 		/* ensure we only got numbers after ses */
751 		if (strspn(g.gl_pathv[i] + 8, "0123456789") !=
752 		    strlen(g.gl_pathv[i] + 8)) {
753 			continue;
754 		}
755 		if ((fd = open(g.gl_pathv[i], O_RDWR)) < 0) {
756 			/*
757 			 * Don't treat non-access errors as critical if we are
758 			 * accessing all devices
759 			 */
760 			if (errno == EACCES && g.gl_pathc > 1) {
761 				xo_err(EXIT_FAILURE, "unable to access SES device");
762 			}
763 			xo_warn("unable to access SES device: %s", g.gl_pathv[i]);
764 			continue;
765 		}
766 
767 		if (ioctl(fd, ENCIOC_GETNELM, (caddr_t) &nobj) < 0) {
768 			close(fd);
769 			xo_err(EXIT_FAILURE, "ENCIOC_GETNELM");
770 		}
771 
772 		e_ptr = calloc(nobj, sizeof(encioc_element_t));
773 		if (e_ptr == NULL) {
774 			close(fd);
775 			xo_err(EXIT_FAILURE, "calloc()");
776 		}
777 
778 		if (ioctl(fd, ENCIOC_GETELMMAP, (caddr_t) e_ptr) < 0) {
779 			close(fd);
780 			xo_err(EXIT_FAILURE, "ENCIOC_GETELMMAP");
781 		}
782 
783 		xo_open_instance("enclosures");
784 
785 		if (first_ses)
786 			first_ses = false;
787 		else
788 			xo_emit("\n");
789 
790 		xo_emit("{t:enc/%s}: ", g.gl_pathv[i] + 5);
791 		stri.bufsiz = sizeof(str);
792 		stri.buf = &str[0];
793 		if (ioctl(fd, ENCIOC_GETENCNAME, (caddr_t) &stri) == 0)
794 			xo_emit("<{t:name/%s}>; ", stri.buf);
795 		stri.bufsiz = sizeof(str);
796 		stri.buf = &str[0];
797 		if (ioctl(fd, ENCIOC_GETENCID, (caddr_t) &stri) == 0)
798 			xo_emit("ID: {t:id/%s}", stri.buf);
799 		xo_emit("\n");
800 
801 		xo_open_list("elements");
802 		prev_type = -1;
803 		for (j = 0; j < nobj; j++) {
804 			/* Get the status of the element */
805 			memset(&e_status, 0, sizeof(e_status));
806 			e_status.elm_idx = e_ptr[j].elm_idx;
807 			if (ioctl(fd, ENCIOC_GETELMSTAT,
808 			    (caddr_t) &e_status) < 0) {
809 				close(fd);
810 				xo_err(EXIT_FAILURE, "ENCIOC_GETELMSTAT");
811 			}
812 
813 			/*
814 			 * Skip "Unsupported" elements; those usually precede
815 			 * the actual device entries and are not particularly
816 			 * interesting.
817 			 */
818 			if (e_status.cstat[0] == SES_OBJSTAT_UNSUPPORTED)
819 				continue;
820 
821 			/* Get the description of the element */
822 			e_desc.elm_idx = e_ptr[j].elm_idx;
823 			e_desc.elm_desc_len = UINT16_MAX;
824 			if (ioctl(fd, ENCIOC_GETELMDESC,
825 			    (caddr_t) &e_desc) < 0) {
826 				close(fd);
827 				xo_err(EXIT_FAILURE, "ENCIOC_GETELMDESC");
828 			}
829 			e_desc.elm_desc_str[e_desc.elm_desc_len] = '\0';
830 
831 			switch (e_ptr[j].elm_type) {
832 			case ELMTYP_DEVICE:
833 			case ELMTYP_ARRAY_DEV:
834 				if (e_ptr[j].elm_type != prev_type)
835 					xo_emit("Desc            Dev     Model                     Ident                Size/Status\n");
836 
837 				show_device(fd, e_ptr[j].elm_idx, e_status, e_desc);
838 				prev_type = e_ptr[j].elm_type;
839 				break;
840 			case ELMTYP_THERM:
841 				if (e_ptr[j].elm_type != prev_type)
842 					xo_emit("\nTemperatures: ");
843 				else
844 					xo_emit(", ");
845 				prev_type = e_ptr[j].elm_type;
846 				show_therm(e_status, e_desc);
847 				break;
848 			case ELMTYP_VOM:
849 				if (e_ptr[j].elm_type != prev_type)
850 					xo_emit("\nVoltages: ");
851 				else
852 					xo_emit(", ");
853 				prev_type = e_ptr[j].elm_type;
854 				show_vom(e_status, e_desc);
855 				break;
856 			default:
857 				/*
858 				 * Ignore stuff not interesting to the user.
859 				 */
860 				break;
861 			}
862 		}
863 		if (prev_type != (elm_type_t)-1 &&
864 		    prev_type != ELMTYP_DEVICE && prev_type != ELMTYP_ARRAY_DEV)
865 			xo_emit("\n");
866 		xo_close_list("elements");
867 		free(e_ptr);
868 		close(fd);
869 	}
870 	globfree(&g);
871 	free(e_desc.elm_desc_str);
872 	xo_close_list("enclosures");
873 	xo_close_container("sesutil");
874 	xo_finish();
875 
876 	return (EXIT_SUCCESS);
877 }
878 
879 static int
880 encstatus(int argc, char **argv __unused)
881 {
882 	glob_t g;
883 	int fd, status;
884 	size_t i, e;
885 	u_char estat;
886 
887 	status = 0;
888 	if (argc != 1) {
889 		usage(stderr, "status");
890 	}
891 
892 	/* Get the list of ses devices */
893 	if (glob(uflag, 0, NULL, &g) == GLOB_NOMATCH) {
894 		globfree(&g);
895 		xo_errx(EXIT_FAILURE, "No SES devices found");
896 	}
897 
898 	xo_set_version(SESUTIL_XO_VERSION);
899 	xo_open_container("sesutil");
900 	xo_open_list("enclosures");
901 	for (i = 0; i < g.gl_pathc; i++) {
902 		/* ensure we only got numbers after ses */
903 		if (strspn(g.gl_pathv[i] + 8, "0123456789") !=
904 		    strlen(g.gl_pathv[i] + 8)) {
905 			continue;
906 		}
907 		if ((fd = open(g.gl_pathv[i], O_RDWR)) < 0) {
908 			/*
909 			 * Don't treat non-access errors as critical if we are
910 			 * accessing all devices
911 			 */
912 			if (errno == EACCES && g.gl_pathc > 1) {
913 				xo_err(EXIT_FAILURE, "unable to access SES device");
914 			}
915 			xo_warn("unable to access SES device: %s", g.gl_pathv[i]);
916 			continue;
917 		}
918 
919 		if (ioctl(fd, ENCIOC_GETENCSTAT, (caddr_t) &estat) < 0) {
920 			xo_err(EXIT_FAILURE, "ENCIOC_GETENCSTAT");
921 			close(fd);
922 		}
923 
924 		xo_open_instance("enclosures");
925 		xo_emit("{:enc/%s}: ", g.gl_pathv[i] + 5);
926 		e = 0;
927 		if (estat == 0) {
928 			if (status == 0) {
929 				status = 1;
930 			}
931 			xo_emit("{q:status/OK}");
932 		} else {
933 			if (estat & SES_ENCSTAT_INFO) {
934 				xo_emit("{lq:status/INFO}");
935 				e++;
936 			}
937 			if (estat & SES_ENCSTAT_NONCRITICAL) {
938 				if (e)
939 					xo_emit(",");
940 				xo_emit("{lq:status/NONCRITICAL}");
941 				e++;
942 			}
943 			if (estat & SES_ENCSTAT_CRITICAL) {
944 				if (e)
945 					xo_emit(",");
946 				xo_emit("{lq:status/CRITICAL}");
947 				e++;
948 				status = -1;
949 			}
950 			if (estat & SES_ENCSTAT_UNRECOV) {
951 				if (e)
952 					xo_emit(",");
953 				xo_emit("{lq:status/UNRECOV}");
954 				e++;
955 				status = -1;
956 			}
957 		}
958 		xo_close_instance("enclosures");
959 		xo_emit("\n");
960 		close(fd);
961 	}
962 	globfree(&g);
963 
964 	xo_close_list("enclosures");
965 	xo_close_container("sesutil");
966 	xo_finish();
967 
968 	if (status == 1) {
969 		return (EXIT_SUCCESS);
970 	} else {
971 		return (EXIT_FAILURE);
972 	}
973 }
974 
975 int
976 main(int argc, char **argv)
977 {
978 	int i, ch;
979 	struct command *cmd = NULL;
980 
981 	argc = xo_parse_args(argc, argv);
982 	if (argc < 0)
983 		exit(1);
984 
985 	uflag = "/dev/ses[0-9]*";
986 	while ((ch = getopt_long(argc, argv, "u:", NULL, NULL)) != -1) {
987 		switch (ch) {
988 		case 'u':
989 			uflag = optarg;
990 			break;
991 		case '?':
992 		default:
993 			usage(stderr, NULL);
994 		}
995 	}
996 	argc -= optind;
997 	argv += optind;
998 
999 	if (argc < 1) {
1000 		warnx("Missing command");
1001 		usage(stderr, NULL);
1002 	}
1003 
1004 	for (i = 0; i < nbcmds; i++) {
1005 		if (strcmp(argv[0], cmds[i].name) == 0) {
1006 			cmd = &cmds[i];
1007 			break;
1008 		}
1009 	}
1010 
1011 	if (cmd == NULL) {
1012 		warnx("unknown command %s", argv[0]);
1013 		usage(stderr, NULL);
1014 	}
1015 
1016 	return (cmd->exec(argc, argv));
1017 }
1018