xref: /freebsd/usr.sbin/mfiutil/mfi_drive.c (revision a7623790fb345e6dc986dfd31df0ace115e6f2e4)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (c) 2008, 2009 Yahoo!, Inc.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
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.
15  * 3. The names of the authors may not be used to endorse or promote
16  *    products derived from this software without specific prior written
17  *    permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  *
31  * $FreeBSD$
32  */
33 
34 #include <sys/types.h>
35 #include <sys/errno.h>
36 #include <ctype.h>
37 #include <err.h>
38 #include <fcntl.h>
39 #include <libutil.h>
40 #include <limits.h>
41 #include <stdio.h>
42 #include <stdlib.h>
43 #include <string.h>
44 #include <strings.h>
45 #include <unistd.h>
46 #include <cam/scsi/scsi_all.h>
47 #include "mfiutil.h"
48 
49 MFI_TABLE(top, drive);
50 
51 /*
52  * Print the name of a drive either by drive number as %2u or by enclosure:slot
53  * as Exx:Sxx (or both).  Use default unless command line options override it
54  * and the command allows this (which we usually do unless we already print
55  * both).  We prefer pinfo if given, otherwise try to look it up by device_id.
56  */
57 const char *
58 mfi_drive_name(struct mfi_pd_info *pinfo, uint16_t device_id, uint32_t def)
59 {
60 	struct mfi_pd_info info;
61 	static char buf[16];
62 	char *p;
63 	int error, fd, len;
64 
65 	if ((def & MFI_DNAME_HONOR_OPTS) != 0 &&
66 	    (mfi_opts & (MFI_DNAME_ES|MFI_DNAME_DEVICE_ID)) != 0)
67 		def = mfi_opts & (MFI_DNAME_ES|MFI_DNAME_DEVICE_ID);
68 
69 	buf[0] = '\0';
70 	if (pinfo == NULL && def & MFI_DNAME_ES) {
71 		/* Fallback in case of error, just ignore flags. */
72 		if (device_id == 0xffff)
73 			snprintf(buf, sizeof(buf), "MISSING");
74 		else
75 			snprintf(buf, sizeof(buf), "%2u", device_id);
76 
77 		fd = mfi_open(mfi_unit, O_RDWR);
78 		if (fd < 0) {
79 			warn("mfi_open");
80 			return (buf);
81 		}
82 
83 		/* Get the info for this drive. */
84 		if (mfi_pd_get_info(fd, device_id, &info, NULL) < 0) {
85 			warn("Failed to fetch info for drive %2u", device_id);
86 			close(fd);
87 			return (buf);
88 		}
89 
90 		close(fd);
91 		pinfo = &info;
92 	}
93 
94 	p = buf;
95 	len = sizeof(buf);
96 	if (def & MFI_DNAME_DEVICE_ID) {
97 		if (device_id == 0xffff)
98 			error = snprintf(p, len, "MISSING");
99 		else
100 			error = snprintf(p, len, "%2u", device_id);
101 		if (error >= 0) {
102 			p += error;
103 			len -= error;
104 		}
105 	}
106 	if ((def & (MFI_DNAME_ES|MFI_DNAME_DEVICE_ID)) ==
107 	    (MFI_DNAME_ES|MFI_DNAME_DEVICE_ID) && len >= 2) {
108 		*p++ = ' ';
109 		len--;
110 		*p = '\0';
111 		len--;
112 	}
113 	if (def & MFI_DNAME_ES) {
114 		if (pinfo->encl_device_id == 0xffff)
115 			error = snprintf(p, len, "S%u",
116 			    pinfo->slot_number);
117 		else if (pinfo->encl_device_id == pinfo->ref.v.device_id)
118 			error = snprintf(p, len, "E%u",
119 			    pinfo->encl_index);
120 		else
121 			error = snprintf(p, len, "E%u:S%u",
122 			    pinfo->encl_index, pinfo->slot_number);
123 		if (error >= 0) {
124 			p += error;
125 			len -= error;
126 		}
127 	}
128 
129 	return (buf);
130 }
131 
132 const char *
133 mfi_pdstate(enum mfi_pd_state state)
134 {
135 	static char buf[16];
136 
137 	switch (state) {
138 	case MFI_PD_STATE_UNCONFIGURED_GOOD:
139 		return ("UNCONFIGURED GOOD");
140 	case MFI_PD_STATE_UNCONFIGURED_BAD:
141 		return ("UNCONFIGURED BAD");
142 	case MFI_PD_STATE_HOT_SPARE:
143 		return ("HOT SPARE");
144 	case MFI_PD_STATE_OFFLINE:
145 		return ("OFFLINE");
146 	case MFI_PD_STATE_FAILED:
147 		return ("FAILED");
148 	case MFI_PD_STATE_REBUILD:
149 		return ("REBUILD");
150 	case MFI_PD_STATE_ONLINE:
151 		return ("ONLINE");
152 	case MFI_PD_STATE_COPYBACK:
153 		return ("COPYBACK");
154 	case MFI_PD_STATE_SYSTEM:
155 		return ("JBOD");
156 	default:
157 		sprintf(buf, "PSTATE 0x%04x", state);
158 		return (buf);
159 	}
160 }
161 
162 int
163 mfi_lookup_drive(int fd, char *drive, uint16_t *device_id)
164 {
165 	struct mfi_pd_list *list;
166 	long val;
167 	int error;
168 	u_int i;
169 	char *cp;
170 	uint8_t encl, slot;
171 
172 	/* Look for a raw device id first. */
173 	val = strtol(drive, &cp, 0);
174 	if (*cp == '\0') {
175 		if (val < 0 || val >= 0xffff)
176 			goto bad;
177 		*device_id = val;
178 		return (0);
179 	}
180 
181 	/* Support for MegaCli style [Exx]:Syy notation. */
182 	if (toupper(drive[0]) == 'E' || toupper(drive[0]) == 'S') {
183 		if (drive[1] == '\0')
184 			goto bad;
185 		cp = drive;
186 		if (toupper(drive[0]) == 'E') {
187 			cp++;			/* Eat 'E' */
188 			val = strtol(cp, &cp, 0);
189 			if (val < 0 || val > 0xff || *cp != ':')
190 				goto bad;
191 			encl = val;
192 			cp++;			/* Eat ':' */
193 			if (toupper(*cp) != 'S')
194 				goto bad;
195 		} else
196 			encl = 0xff;
197 		cp++;				/* Eat 'S' */
198 		if (*cp == '\0')
199 			goto bad;
200 		val = strtol(cp, &cp, 0);
201 		if (val < 0 || val > 0xff || *cp != '\0')
202 			goto bad;
203 		slot = val;
204 
205 		if (mfi_pd_get_list(fd, &list, NULL) < 0) {
206 			error = errno;
207 			warn("Failed to fetch drive list");
208 			return (error);
209 		}
210 
211 		for (i = 0; i < list->count; i++) {
212 			if (list->addr[i].scsi_dev_type != 0)
213 				continue;
214 
215 			if (((encl == 0xff &&
216 			    list->addr[i].encl_device_id == 0xffff) ||
217 			    list->addr[i].encl_index == encl) &&
218 			    list->addr[i].slot_number == slot) {
219 				*device_id = list->addr[i].device_id;
220 				free(list);
221 				return (0);
222 			}
223 		}
224 		free(list);
225 		warnx("Unknown drive %s", drive);
226 		return (EINVAL);
227 	}
228 
229 bad:
230 	warnx("Invalid drive number %s", drive);
231 	return (EINVAL);
232 }
233 
234 static void
235 mbox_store_device_id(uint8_t *mbox, uint16_t device_id)
236 {
237 
238 	mbox[0] = device_id & 0xff;
239 	mbox[1] = device_id >> 8;
240 }
241 
242 void
243 mbox_store_pdref(uint8_t *mbox, union mfi_pd_ref *ref)
244 {
245 
246 	mbox[0] = ref->v.device_id & 0xff;
247 	mbox[1] = ref->v.device_id >> 8;
248 	mbox[2] = ref->v.seq_num & 0xff;
249 	mbox[3] = ref->v.seq_num >> 8;
250 }
251 
252 int
253 mfi_pd_get_list(int fd, struct mfi_pd_list **listp, uint8_t *statusp)
254 {
255 	struct mfi_pd_list *list;
256 	uint32_t list_size;
257 
258 	/*
259 	 * Keep fetching the list in a loop until we have a large enough
260 	 * buffer to hold the entire list.
261 	 */
262 	list = NULL;
263 	list_size = 1024;
264 fetch:
265 	list = reallocf(list, list_size);
266 	if (list == NULL)
267 		return (-1);
268 	if (mfi_dcmd_command(fd, MFI_DCMD_PD_GET_LIST, list, list_size, NULL,
269 	    0, statusp) < 0) {
270 		free(list);
271 		return (-1);
272 	}
273 
274 	if (list->size > list_size) {
275 		list_size = list->size;
276 		goto fetch;
277 	}
278 
279 	*listp = list;
280 	return (0);
281 }
282 
283 int
284 mfi_pd_get_info(int fd, uint16_t device_id, struct mfi_pd_info *info,
285     uint8_t *statusp)
286 {
287 	uint8_t mbox[2];
288 
289 	mbox_store_device_id(&mbox[0], device_id);
290 	return (mfi_dcmd_command(fd, MFI_DCMD_PD_GET_INFO, info,
291 	    sizeof(struct mfi_pd_info), mbox, 2, statusp));
292 }
293 
294 static void
295 cam_strvis(char *dst, const char *src, int srclen, int dstlen)
296 {
297 
298 	/* Trim leading/trailing spaces, nulls. */
299 	while (srclen > 0 && src[0] == ' ')
300 		src++, srclen--;
301 	while (srclen > 0
302 	    && (src[srclen-1] == ' ' || src[srclen-1] == '\0'))
303 		srclen--;
304 
305 	while (srclen > 0 && dstlen > 1) {
306 		char *cur_pos = dst;
307 
308 		if (*src < 0x20) {
309 			/* SCSI-II Specifies that these should never occur. */
310 			/* non-printable character */
311 			if (dstlen > 4) {
312 				*cur_pos++ = '\\';
313 				*cur_pos++ = ((*src & 0300) >> 6) + '0';
314 				*cur_pos++ = ((*src & 0070) >> 3) + '0';
315 				*cur_pos++ = ((*src & 0007) >> 0) + '0';
316 			} else {
317 				*cur_pos++ = '?';
318 			}
319 		} else {
320 			/* normal character */
321 			*cur_pos++ = *src;
322 		}
323 		src++;
324 		srclen--;
325 		dstlen -= cur_pos - dst;
326 		dst = cur_pos;
327 	}
328 	*dst = '\0';
329 }
330 
331 /* Borrowed heavily from scsi_all.c:scsi_print_inquiry(). */
332 const char *
333 mfi_pd_inq_string(struct mfi_pd_info *info)
334 {
335 	struct scsi_inquiry_data iqd, *inq_data = &iqd;
336 	char vendor[16], product[48], revision[16], rstr[12], serial[SID_VENDOR_SPECIFIC_0_SIZE];
337 	static char inq_string[64];
338 
339 	memcpy(inq_data, info->inquiry_data,
340 	    (sizeof (iqd) <  sizeof (info->inquiry_data))?
341 	    sizeof (iqd) : sizeof (info->inquiry_data));
342 	if (SID_QUAL_IS_VENDOR_UNIQUE(inq_data))
343 		return (NULL);
344 	if (SID_TYPE(inq_data) != T_DIRECT)
345 		return (NULL);
346 	if (SID_QUAL(inq_data) != SID_QUAL_LU_CONNECTED)
347 		return (NULL);
348 
349 	cam_strvis(vendor, inq_data->vendor, sizeof(inq_data->vendor),
350 	    sizeof(vendor));
351 	cam_strvis(product, inq_data->product, sizeof(inq_data->product),
352 	    sizeof(product));
353 	cam_strvis(revision, inq_data->revision, sizeof(inq_data->revision),
354 	    sizeof(revision));
355 	cam_strvis(serial, (char *)inq_data->vendor_specific0, sizeof(inq_data->vendor_specific0),
356 	    sizeof(serial));
357 
358 	/* Hack for SATA disks, no idea how to tell speed. */
359 	if (strcmp(vendor, "ATA") == 0) {
360 		snprintf(inq_string, sizeof(inq_string), "<%s %s serial=%s> SATA",
361 		    product, revision, serial);
362 		return (inq_string);
363 	}
364 
365 	switch (SID_ANSI_REV(inq_data)) {
366 	case SCSI_REV_CCS:
367 		strcpy(rstr, "SCSI-CCS");
368 		break;
369 	case 5:
370 		strcpy(rstr, "SAS");
371 		break;
372 	default:
373 		snprintf(rstr, sizeof (rstr), "SCSI-%d",
374 		    SID_ANSI_REV(inq_data));
375 		break;
376 	}
377 	snprintf(inq_string, sizeof(inq_string), "<%s %s %s serial=%s> %s", vendor,
378 	    product, revision, serial, rstr);
379 	return (inq_string);
380 }
381 
382 /* Helper function to set a drive to a given state. */
383 static int
384 drive_set_state(char *drive, uint16_t new_state)
385 {
386 	struct mfi_pd_info info;
387 	uint16_t device_id;
388 	uint8_t mbox[6];
389 	int error, fd;
390 
391 	fd = mfi_open(mfi_unit, O_RDWR);
392 	if (fd < 0) {
393 		error = errno;
394 		warn("mfi_open");
395 		return (error);
396 	}
397 
398 	error = mfi_lookup_drive(fd, drive, &device_id);
399 	if (error) {
400 		close(fd);
401 		return (error);
402 	}
403 
404 	/* Get the info for this drive. */
405 	if (mfi_pd_get_info(fd, device_id, &info, NULL) < 0) {
406 		error = errno;
407 		warn("Failed to fetch info for drive %u", device_id);
408 		close(fd);
409 		return (error);
410 	}
411 
412 	/* Try to change the state. */
413 	if (info.fw_state == new_state) {
414 		warnx("Drive %u is already in the desired state", device_id);
415 		close(fd);
416 		return (EINVAL);
417 	}
418 
419 	mbox_store_pdref(&mbox[0], &info.ref);
420 	mbox[4] = new_state & 0xff;
421 	mbox[5] = new_state >> 8;
422 	if (mfi_dcmd_command(fd, MFI_DCMD_PD_STATE_SET, NULL, 0, mbox, 6,
423 	    NULL) < 0) {
424 		error = errno;
425 		warn("Failed to set drive %u to %s", device_id,
426 		    mfi_pdstate(new_state));
427 		close(fd);
428 		return (error);
429 	}
430 
431 	close(fd);
432 
433 	return (0);
434 }
435 
436 static int
437 fail_drive(int ac, char **av)
438 {
439 
440 	if (ac != 2) {
441 		warnx("fail: %s", ac > 2 ? "extra arguments" :
442 		    "drive required");
443 		return (EINVAL);
444 	}
445 
446 	return (drive_set_state(av[1], MFI_PD_STATE_FAILED));
447 }
448 MFI_COMMAND(top, fail, fail_drive);
449 
450 static int
451 good_drive(int ac, char **av)
452 {
453 
454 	if (ac != 2) {
455 		warnx("good: %s", ac > 2 ? "extra arguments" :
456 		    "drive required");
457 		return (EINVAL);
458 	}
459 
460 	return (drive_set_state(av[1], MFI_PD_STATE_UNCONFIGURED_GOOD));
461 }
462 MFI_COMMAND(top, good, good_drive);
463 
464 static int
465 rebuild_drive(int ac, char **av)
466 {
467 
468 	if (ac != 2) {
469 		warnx("rebuild: %s", ac > 2 ? "extra arguments" :
470 		    "drive required");
471 		return (EINVAL);
472 	}
473 
474 	return (drive_set_state(av[1], MFI_PD_STATE_REBUILD));
475 }
476 MFI_COMMAND(top, rebuild, rebuild_drive);
477 
478 static int
479 syspd_drive(int ac, char **av)
480 {
481 
482 	if (ac != 2) {
483 		warnx("syspd: %s", ac > 2 ? "extra arguments" :
484 		    "drive required");
485 		return (EINVAL);
486 	}
487 
488 	return (drive_set_state(av[1], MFI_PD_STATE_SYSTEM));
489 }
490 MFI_COMMAND(top, syspd, syspd_drive);
491 
492 static int
493 start_rebuild(int ac, char **av)
494 {
495 	struct mfi_pd_info info;
496 	uint16_t device_id;
497 	uint8_t mbox[4];
498 	int error, fd;
499 
500 	if (ac != 2) {
501 		warnx("start rebuild: %s", ac > 2 ? "extra arguments" :
502 		    "drive required");
503 		return (EINVAL);
504 	}
505 
506 	fd = mfi_open(mfi_unit, O_RDWR);
507 	if (fd < 0) {
508 		error = errno;
509 		warn("mfi_open");
510 		return (error);
511 	}
512 
513 	error = mfi_lookup_drive(fd, av[1], &device_id);
514 	if (error) {
515 		close(fd);
516 		return (error);
517 	}
518 
519 	/* Get the info for this drive. */
520 	if (mfi_pd_get_info(fd, device_id, &info, NULL) < 0) {
521 		error = errno;
522 		warn("Failed to fetch info for drive %u", device_id);
523 		close(fd);
524 		return (error);
525 	}
526 
527 	/* Check the state, must be REBUILD. */
528 	if (info.fw_state != MFI_PD_STATE_REBUILD) {
529 		warnx("Drive %d is not in the REBUILD state", device_id);
530 		close(fd);
531 		return (EINVAL);
532 	}
533 
534 	/* Start the rebuild. */
535 	mbox_store_pdref(&mbox[0], &info.ref);
536 	if (mfi_dcmd_command(fd, MFI_DCMD_PD_REBUILD_START, NULL, 0, mbox, 4,
537 	    NULL) < 0) {
538 		error = errno;
539 		warn("Failed to start rebuild on drive %u", device_id);
540 		close(fd);
541 		return (error);
542 	}
543 	close(fd);
544 
545 	return (0);
546 }
547 MFI_COMMAND(start, rebuild, start_rebuild);
548 
549 static int
550 abort_rebuild(int ac, char **av)
551 {
552 	struct mfi_pd_info info;
553 	uint16_t device_id;
554 	uint8_t mbox[4];
555 	int error, fd;
556 
557 	if (ac != 2) {
558 		warnx("abort rebuild: %s", ac > 2 ? "extra arguments" :
559 		    "drive required");
560 		return (EINVAL);
561 	}
562 
563 	fd = mfi_open(mfi_unit, O_RDWR);
564 	if (fd < 0) {
565 		error = errno;
566 		warn("mfi_open");
567 		return (error);
568 	}
569 
570 	error = mfi_lookup_drive(fd, av[1], &device_id);
571 	if (error) {
572 		close(fd);
573 		return (error);
574 	}
575 
576 	/* Get the info for this drive. */
577 	if (mfi_pd_get_info(fd, device_id, &info, NULL) < 0) {
578 		error = errno;
579 		warn("Failed to fetch info for drive %u", device_id);
580 		close(fd);
581 		return (error);
582 	}
583 
584 	/* Check the state, must be REBUILD. */
585 	if (info.fw_state != MFI_PD_STATE_REBUILD) {
586 		warn("Drive %d is not in the REBUILD state", device_id);
587 		close(fd);
588 		return (EINVAL);
589 	}
590 
591 	/* Abort the rebuild. */
592 	mbox_store_pdref(&mbox[0], &info.ref);
593 	if (mfi_dcmd_command(fd, MFI_DCMD_PD_REBUILD_ABORT, NULL, 0, mbox, 4,
594 	    NULL) < 0) {
595 		error = errno;
596 		warn("Failed to abort rebuild on drive %u", device_id);
597 		close(fd);
598 		return (error);
599 	}
600 	close(fd);
601 
602 	return (0);
603 }
604 MFI_COMMAND(abort, rebuild, abort_rebuild);
605 
606 static int
607 drive_progress(int ac, char **av)
608 {
609 	struct mfi_pd_info info;
610 	uint16_t device_id;
611 	int error, fd;
612 
613 	if (ac != 2) {
614 		warnx("drive progress: %s", ac > 2 ? "extra arguments" :
615 		    "drive required");
616 		return (EINVAL);
617 	}
618 
619 	fd = mfi_open(mfi_unit, O_RDWR);
620 	if (fd < 0) {
621 		error = errno;
622 		warn("mfi_open");
623 		return (error);
624 	}
625 
626 	error = mfi_lookup_drive(fd, av[1], &device_id);
627 	if (error) {
628 		close(fd);
629 		return (error);
630 	}
631 
632 	/* Get the info for this drive. */
633 	if (mfi_pd_get_info(fd, device_id, &info, NULL) < 0) {
634 		error = errno;
635 		warn("Failed to fetch info for drive %u", device_id);
636 		close(fd);
637 		return (error);
638 	}
639 	close(fd);
640 
641 	/* Display any of the active events. */
642 	if (info.prog_info.active & MFI_PD_PROGRESS_REBUILD)
643 		mfi_display_progress("Rebuild", &info.prog_info.rbld);
644 	if (info.prog_info.active & MFI_PD_PROGRESS_PATROL)
645 		mfi_display_progress("Patrol Read", &info.prog_info.patrol);
646 	if (info.prog_info.active & MFI_PD_PROGRESS_CLEAR)
647 		mfi_display_progress("Clear", &info.prog_info.clear);
648 	if ((info.prog_info.active & (MFI_PD_PROGRESS_REBUILD |
649 	    MFI_PD_PROGRESS_PATROL | MFI_PD_PROGRESS_CLEAR)) == 0)
650 		printf("No activity in progress for drive %s.\n",
651 		mfi_drive_name(NULL, device_id,
652 		    MFI_DNAME_DEVICE_ID|MFI_DNAME_HONOR_OPTS));
653 
654 	return (0);
655 }
656 MFI_COMMAND(drive, progress, drive_progress);
657 
658 static int
659 drive_clear(int ac, char **av)
660 {
661 	struct mfi_pd_info info;
662 	uint32_t opcode;
663 	uint16_t device_id;
664 	uint8_t mbox[4];
665 	char *s1;
666 	int error, fd;
667 
668 	if (ac != 3) {
669 		warnx("drive clear: %s", ac > 3 ? "extra arguments" :
670 		    "drive and action requires");
671 		return (EINVAL);
672 	}
673 
674 	for (s1 = av[2]; *s1 != '\0'; s1++)
675 		*s1 = tolower(*s1);
676 	if (strcmp(av[2], "start") == 0)
677 		opcode = MFI_DCMD_PD_CLEAR_START;
678 	else if ((strcmp(av[2], "stop") == 0) || (strcmp(av[2], "abort") == 0))
679 		opcode = MFI_DCMD_PD_CLEAR_ABORT;
680 	else {
681 		warnx("drive clear: invalid action, must be 'start' or 'stop'\n");
682 		return (EINVAL);
683 	}
684 
685 	fd = mfi_open(mfi_unit, O_RDWR);
686 	if (fd < 0) {
687 		error = errno;
688 		warn("mfi_open");
689 		return (error);
690 	}
691 
692 	error = mfi_lookup_drive(fd, av[1], &device_id);
693 	if (error) {
694 		close(fd);
695 		return (error);
696 	}
697 
698 	/* Get the info for this drive. */
699 	if (mfi_pd_get_info(fd, device_id, &info, NULL) < 0) {
700 		error = errno;
701 		warn("Failed to fetch info for drive %u", device_id);
702 		close(fd);
703 		return (error);
704 	}
705 
706 	mbox_store_pdref(&mbox[0], &info.ref);
707 	if (mfi_dcmd_command(fd, opcode, NULL, 0, mbox, 4, NULL) < 0) {
708 		error = errno;
709 		warn("Failed to %s clear on drive %u",
710 		    opcode == MFI_DCMD_PD_CLEAR_START ? "start" : "stop",
711 		    device_id);
712 		close(fd);
713 		return (error);
714 	}
715 
716 	close(fd);
717 	return (0);
718 }
719 MFI_COMMAND(drive, clear, drive_clear);
720 
721 static int
722 drive_locate(int ac, char **av)
723 {
724 	uint16_t device_id;
725 	uint32_t opcode;
726 	int error, fd;
727 	uint8_t mbox[4];
728 
729 	if (ac != 3) {
730 		warnx("locate: %s", ac > 3 ? "extra arguments" :
731 		    "drive and state required");
732 		return (EINVAL);
733 	}
734 
735 	if (strcasecmp(av[2], "on") == 0 || strcasecmp(av[2], "start") == 0)
736 		opcode = MFI_DCMD_PD_LOCATE_START;
737 	else if (strcasecmp(av[2], "off") == 0 ||
738 	    strcasecmp(av[2], "stop") == 0)
739 		opcode = MFI_DCMD_PD_LOCATE_STOP;
740 	else {
741 		warnx("locate: invalid state %s", av[2]);
742 		return (EINVAL);
743 	}
744 
745 	fd = mfi_open(mfi_unit, O_RDWR);
746 	if (fd < 0) {
747 		error = errno;
748 		warn("mfi_open");
749 		return (error);
750 	}
751 
752 	error = mfi_lookup_drive(fd, av[1], &device_id);
753 	if (error) {
754 		close(fd);
755 		return (error);
756 	}
757 
758 
759 	mbox_store_device_id(&mbox[0], device_id);
760 	mbox[2] = 0;
761 	mbox[3] = 0;
762 	if (mfi_dcmd_command(fd, opcode, NULL, 0, mbox, 4, NULL) < 0) {
763 		error = errno;
764 		warn("Failed to %s locate on drive %u",
765 		    opcode == MFI_DCMD_PD_LOCATE_START ? "start" : "stop",
766 		    device_id);
767 		close(fd);
768 		return (error);
769 	}
770 	close(fd);
771 
772 	return (0);
773 }
774 MFI_COMMAND(top, locate, drive_locate);
775