xref: /dragonfly/usr.sbin/mlxcontrol/command.c (revision 73610d44)
1 /*-
2  * Copyright (c) 1999 Michael Smith
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
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.
13  *
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
24  * SUCH DAMAGE.
25  *
26  *	$FreeBSD: src/usr.sbin/mlxcontrol/command.c,v 1.3 2008/09/12 17:40:17 sepotvin Exp $
27  */
28 
29 #include <fcntl.h>
30 #include <paths.h>
31 #include <stdio.h>
32 #include <stdlib.h>
33 #include <string.h>
34 #include <unistd.h>
35 #include <err.h>
36 
37 #include <dev/raid/mlx/mlxio.h>
38 #include <dev/raid/mlx/mlxreg.h>
39 
40 #include "mlxcontrol.h"
41 
42 static int	cmd_status(int argc, char *argv[]);
43 static int	cmd_rescan(int argc, char *argv[]);
44 static int	cmd_detach(int argc, char *argv[]);
45 static int	cmd_check(int argc, char *argv[]);
46 static int	cmd_rebuild(int argc, char *argv[]);
47 #ifdef SUPPORT_PAUSE
48 static int	cmd_pause(int argc, char *argv[]);
49 #endif
50 static int	cmd_help(int argc, char *argv[]);
51 static int	cmd_config(int argc, char *argv[]);
52 
53 static void	print_span(struct mlx_sys_drv_span *span, int arms);
54 static void	print_sys_drive(struct conf_config *conf, int drvno);
55 static void	print_phys_drive(struct conf_config *conf, int chn, int targ);
56 
57 struct
58 {
59     const char	*cmd;
60     int		(*func)(int argc, char *argv[]);
61     const char	*desc;
62     const char	*text;
63 } commands[] = {
64     {"status",	cmd_status,
65      "displays device status",
66      "  status [-qv] [<drive>...]\n"
67      "      Display status for <drive> or all drives if none is listed\n"
68      "  -q    Suppress output.\n"
69      "  -v    Display verbose information.\n"
70      "  Returns 0 if all drives tested are online, 1 if one or more are\n"
71      "  critical, and 2 if one or more are offline."},
72     {"rescan",	cmd_rescan,
73      "scan for new system drives",
74      "  rescan <controller> [<controller>...]\n"
75      "      Rescan <controller> for system drives.\n"
76      "  rescan -a\n"
77      "      Rescan all controllers for system drives."},
78     {"detach",	cmd_detach,
79      "detach system drives",
80      "  detach <drive> [<drive>...]\n"
81      "      Detaches <drive> from the controller.\n"
82      "  detach -a <controller>\n"
83      "      Detaches all drives on <controller>."},
84     {"check",	cmd_check,
85      "consistency-check a system drive",
86      "  check <drive>\n"
87      "      Requests a check and rebuild of the parity information on <drive>.\n"
88      "      Note that each controller can only check one system drive at a time."},
89     {"rebuild",	cmd_rebuild,
90      "initiate a rebuild of a dead physical drive",
91      "  rebuild <controller> <physdrive>\n"
92      "      All system drives using space on the physical drive <physdrive>\n"
93      "      are rebuilt, reconstructing all data on the drive.\n"
94      "      Note that each controller can only perform one rebuild at a time."},
95 #ifdef SUPPORT_PAUSE
96     {"pause",	cmd_pause,
97      "pauses controller channels",
98      "  pause [-t <howlong>] [-d <delay>] <controller> [<channel>...]\n"
99      "      Pauses SCSI I/O on <channel> and <controller>.  If no channel is specified,\n"
100      "      all channels are paused.\n"
101      "  <howlong>   How long (seconds) to pause for (default 30).\n"
102      "  <delay>     How long (seconds) to wait before pausing (default 30).\n"
103      "  pause <controller> -c\n"
104      "      Cancels any pending pause operation on <controller>."},
105 #endif
106     {"config",	cmd_config,
107      "examine and update controller configuration",
108      "  config <controller>\n"
109      "      Print configuration for <controller>."},
110     {"help",	cmd_help,
111      "give help on usage",
112      ""},
113     {NULL, NULL, NULL, NULL}
114 };
115 
116 /********************************************************************************
117  * Command dispatch and global options parsing.
118  */
119 
120 int
121 main(int argc, char *argv[])
122 {
123     int		ch, i, oargc;
124     char	**oargv;
125 
126     oargc = argc;
127     oargv = argv;
128     while ((ch = getopt(argc, argv, "")) != -1)
129 	switch(ch) {
130 	default:
131 	    return(cmd_help(0, NULL));
132 	}
133 
134     argc -= optind;
135     argv += optind;
136 
137     if (argc > 0)
138 	for (i = 0; commands[i].cmd != NULL; i++)
139 	    if (!strcmp(argv[0], commands[i].cmd))
140 		return(commands[i].func(argc, argv));
141 
142     return(cmd_help(oargc, oargv));
143 }
144 
145 /********************************************************************************
146  * Helptext output
147  */
148 static int
149 cmd_help(int argc, char *argv[])
150 {
151     int		i;
152 
153     if (argc > 1)
154 	for (i = 0; commands[i].cmd != NULL; i++)
155 	    if (!strcmp(argv[1], commands[i].cmd)) {
156 		fprintf(stderr, "%s\n", commands[i].text);
157 		fflush(stderr);
158 		return(0);
159 	    }
160 
161     if (argv != NULL)
162 	fprintf(stderr, "Unknown command '%s'.\n", argv[1]);
163     fprintf(stderr, "Valid commands are:\n");
164     for (i = 0; commands[i].cmd != NULL; i++)
165 	fprintf(stderr, "  %-20s %s\n", commands[i].cmd, commands[i].desc);
166     fflush(stderr);
167     return(0);
168 }
169 
170 /********************************************************************************
171  * Status output
172  *
173  * status [-qv] [<device> ...]
174  *		Prints status for <device>, or all if none listed.
175  *
176  * -q	Suppresses output, command returns 0 if devices are OK, 1 if one or
177  *	more devices are critical, 2 if one or more devices are offline.
178  */
179 static struct mlx_rebuild_status	rs;
180 static int				rs_ctrlr = -1;
181 static int				status_result = 0;
182 
183 /* XXX more verbosity! */
184 static void
185 status_print(int unit, void *arg)
186 {
187     int				verbosity = *(int *)arg;
188     int				fd, result, ctrlr, sysdrive, statvalid;
189 
190     /* Find which controller and what system drive we are */
191     statvalid = 0;
192     if (mlxd_find_ctrlr(unit, &ctrlr, &sysdrive)) {
193 	warnx("couldn't get controller/drive for %s", drivepath(unit));
194     } else {
195 	/* If we don't have rebuild stats for this controller, get them */
196 	if (rs_ctrlr == ctrlr) {
197 	    statvalid = 1;
198 	} else {
199 	    if ((fd = open(ctrlrpath(ctrlr), 0)) < 0) {
200 		warn("can't open %s", ctrlrpath(ctrlr));
201 	    } else {
202 		if (ioctl(fd, MLX_REBUILDSTAT, &rs) < 0) {
203 		    warn("ioctl MLX_REBUILDSTAT");
204 		} else {
205 		    rs_ctrlr = ctrlr;
206 		    statvalid = 1;
207 		}
208 		close(fd);
209 	    }
210 	}
211     }
212 
213     /* Get the device */
214     if ((fd = open(drivepath(unit), 0)) < 0) {
215 	warn("can't open %s", drivepath(unit));
216 	return;
217     }
218 
219     /* Get its status */
220     if (ioctl(fd, MLXD_STATUS, &result) < 0) {
221 	warn("ioctl MLXD_STATUS");
222     } else {
223 	switch(result) {
224 	case MLX_SYSD_ONLINE:
225 	    if (verbosity > 0)
226 		printf("%s: online", drivename(unit));
227 	    break;
228 	case MLX_SYSD_CRITICAL:
229 	    if (verbosity > 0)
230 		printf("%s: critical", drivename(unit));
231 	    if (status_result < 1)
232 		status_result = 1;
233 	    break;
234 	case MLX_SYSD_OFFLINE:
235 	    if (verbosity > 0)
236 		printf("%s: offline", drivename(unit));
237 	    if (status_result < 2)
238 		status_result = 2;
239 	    break;
240 	default:
241 	    if (verbosity > 0) {
242 		printf("%s: unknown status 0x%x", drivename(unit), result);
243 	    }
244 	}
245 	if (verbosity > 0) {
246 	    /* rebuild/check in progress on this drive? */
247 	    if (statvalid && (rs_ctrlr == ctrlr) &&
248 		(rs.rs_drive == sysdrive) && (rs.rs_code != MLX_REBUILDSTAT_IDLE)) {
249 		switch(rs.rs_code) {
250 		case MLX_REBUILDSTAT_REBUILDCHECK:
251 		    printf(" [consistency check");
252 		    break;
253 		case MLX_REBUILDSTAT_ADDCAPACITY:
254 		    printf(" [add capacity");
255 		    break;
256 		case MLX_REBUILDSTAT_ADDCAPACITYINIT:
257 		    printf(" [add capacity init");
258 		    break;
259 		default:
260 		    printf(" [unknown operation");
261 		}
262 		printf(": %d/%d, %d%% complete]",
263 		       rs.rs_remaining, rs.rs_size,
264 		       ((rs.rs_size - rs.rs_remaining) / (rs.rs_size / 100)));
265 	    }
266 	    printf("\n");
267 	}
268     }
269     close(fd);
270 }
271 
272 /********************************************************************************
273  * Print details for the system drive (drvno) in a format that we will be
274  * able to parse later.
275  *
276  * drive?? <raidlevel> <writemode>
277  *   span? 0x????????-0x???????? ????MB on <disk> [...]
278  *   ...
279  */
280 static void
281 print_span(struct mlx_sys_drv_span *span, int arms)
282 {
283     int		i;
284 
285     printf("0x%08x-0x%08x %uMB on", span->sp_start_lba, span->sp_start_lba + span->sp_nblks, span->sp_nblks / 2048);
286     for (i = 0; i < arms; i++)
287 	printf(" disk%02d%02d", span->sp_arm[i] >> 4, span->sp_arm[i] & 0x0f);
288     printf("\n");
289 }
290 
291 static void
292 print_sys_drive(struct conf_config *conf, int drvno)
293 {
294     struct mlx_sys_drv	*drv = &conf->cc_cfg.cc_sys_drives[drvno];
295     int			i;
296 
297     printf("drive%02d ", drvno);
298     switch(drv->sd_raidlevel & 0xf) {
299     case MLX_SYS_DRV_RAID0:
300 	printf("RAID0");
301 	break;
302     case MLX_SYS_DRV_RAID1:
303 	printf("RAID1");
304 	break;
305     case MLX_SYS_DRV_RAID3:
306 	printf("RAID3");
307 	break;
308     case MLX_SYS_DRV_RAID5:
309 	printf("RAID5");
310 	break;
311     case MLX_SYS_DRV_RAID6:
312 	printf("RAID6");
313 	break;
314     case MLX_SYS_DRV_JBOD:
315 	printf("JBOD");
316 	break;
317     default:
318 	printf("RAID?");
319     }
320     printf(" write%s\n", drv->sd_raidlevel & MLX_SYS_DRV_WRITEBACK ? "back" : "through");
321 
322     for (i = 0; i < drv->sd_valid_spans; i++) {
323 	printf("  span%d ", i);
324 	print_span(&drv->sd_span[i], drv->sd_valid_arms);
325     }
326 }
327 
328 /********************************************************************************
329  * Print details for the physical drive at chn/targ in a format suitable for
330  * human consumption.
331  *
332  * <type>CCTT (<state>) "<vendor>/<model>"
333  *                       ????MB <features>
334  *
335  */
336 static void
337 print_phys_drive(struct conf_config *conf, int chn, int targ)
338 {
339     struct mlx_phys_drv		*drv = &conf->cc_cfg.cc_phys_drives[chn * 16 + targ];
340 
341     /* if the drive isn't present, don't print it */
342     if (!(drv->pd_flags1 & MLX_PHYS_DRV_PRESENT))
343 	return;
344 
345     mlx_print_phys_drv(drv, chn, targ, "# ", 1);
346 }
347 
348 static struct
349 {
350     int		hwid;
351     const char	*name;
352 } mlx_controller_names[] = {
353     {0x01,	"960P/PD"},
354     {0x02,	"960PL"},
355     {0x10,	"960PG"},
356     {0x11,	"960PJ"},
357     {0x12,	"960PR"},
358     {0x13,	"960PT"},
359     {0x14,	"960PTL0"},
360     {0x15,	"960PRL"},
361     {0x16,	"960PTL1"},
362     {0x20,	"1100PVX"},
363     {-1, NULL}
364 };
365 
366 static void
367 controller_print(int unit, void *arg)
368 {
369     struct mlx_enquiry2	enq;
370     struct mlx_phys_drv	pd;
371     int			verbosity = *(int *)arg;
372     static char		buf[80];
373     const char		*model;
374     int			i, channel, target;
375 
376     if (verbosity == 0)
377 	return;
378 
379     /* fetch and print controller data */
380     if (mlx_enquiry(unit, &enq)) {
381 	printf("mlx%d: error submitting ENQUIRY2\n", unit);
382     } else {
383 
384 	for (i = 0, model = NULL; mlx_controller_names[i].name != NULL; i++) {
385 	    if ((int)(enq.me_hardware_id & 0xff) == mlx_controller_names[i].hwid) {
386 		model = mlx_controller_names[i].name;
387 		break;
388 	    }
389 	}
390 	if (model == NULL) {
391 	    sprintf(buf, " model 0x%x", enq.me_hardware_id & 0xff);
392 	    model = buf;
393 	}
394 
395 	printf("mlx%d: DAC%s, %d channel%s, firmware %d.%02d-%c-%02d, %dMB RAM\n",
396 	       unit, model,
397 	       enq.me_actual_channels,
398 	       enq.me_actual_channels > 1 ? "s" : "",
399 	       enq.me_firmware_id & 0xff,
400 	       (enq.me_firmware_id >> 8) & 0xff,
401 	       (enq.me_firmware_id >> 16),
402 	       (enq.me_firmware_id >> 24) & 0xff,
403 	       enq.me_mem_size / (1024 * 1024));
404 
405 	if (verbosity > 1) {
406 	    printf("  Hardware ID                 0x%08x\n", enq.me_hardware_id);
407 	    printf("  Firmware ID                 0x%08x\n", enq.me_firmware_id);
408 	    printf("  Configured/Actual channels  %d/%d\n", enq.me_configured_channels,
409 		      enq.me_actual_channels);
410 	    printf("  Max Targets                 %d\n", enq.me_max_targets);
411 	    printf("  Max Tags                    %d\n", enq.me_max_tags);
412 	    printf("  Max System Drives           %d\n", enq.me_max_sys_drives);
413 	    printf("  Max Arms                    %d\n", enq.me_max_arms);
414 	    printf("  Max Spans                   %d\n", enq.me_max_spans);
415 	    printf("  DRAM/cache/flash/NVRAM size %d/%d/%d/%d\n", enq.me_mem_size,
416 		      enq.me_cache_size, enq.me_flash_size, enq.me_nvram_size);
417 	    printf("  DRAM type                   %d\n", enq.me_mem_type);
418 	    printf("  Clock Speed                 %dns\n", enq.me_clock_speed);
419 	    printf("  Hardware Speed              %dns\n", enq.me_hardware_speed);
420 	    printf("  Max Commands                %d\n", enq.me_max_commands);
421 	    printf("  Max SG Entries              %d\n", enq.me_max_sg);
422 	    printf("  Max DP                      %d\n", enq.me_max_dp);
423 	    printf("  Max IOD                     %d\n", enq.me_max_iod);
424 	    printf("  Max Comb                    %d\n", enq.me_max_comb);
425 	    printf("  Latency                     %ds\n", enq.me_latency);
426 	    printf("  SCSI Timeout                %ds\n", enq.me_scsi_timeout);
427 	    printf("  Min Free Lines              %d\n", enq.me_min_freelines);
428 	    printf("  Rate Constant               %d\n", enq.me_rate_const);
429 	    printf("  MAXBLK                      %d\n", enq.me_maxblk);
430 	    printf("  Blocking Factor             %d sectors\n", enq.me_blocking_factor);
431 	    printf("  Cache Line Size             %d blocks\n", enq.me_cacheline);
432 	    printf("  SCSI Capability             %s%dMHz, %d bit\n",
433 		      enq.me_scsi_cap & (1<<4) ? "differential " : "",
434 		      (1 << ((enq.me_scsi_cap >> 2) & 3)) * 10,
435 		      8 << (enq.me_scsi_cap & 0x3));
436 	    printf("  Firmware Build Number       %d\n", enq.me_firmware_build);
437 	    printf("  Fault Management Type       %d\n", enq.me_fault_mgmt_type);
438 #if 0
439 	    printf("  Features                    %b\n", enq.me_firmware_features,
440 		      "\20\4Background Init\3Read Ahead\2MORE\1Cluster\n");
441 #endif
442 	}
443 
444 	/* fetch and print physical drive data */
445 	for (channel = 0; channel < enq.me_configured_channels; channel++) {
446 	    for (target = 0; target < enq.me_max_targets; target++) {
447 		if ((mlx_get_device_state(unit, channel, target, &pd) == 0) &&
448 		    (pd.pd_flags1 & MLX_PHYS_DRV_PRESENT)) {
449 		    mlx_print_phys_drv(&pd, channel, target, "  ", verbosity - 1);
450 		    if (verbosity > 1) {
451 			/* XXX print device statistics? */
452 		    }
453 		}
454 	    }
455 	}
456     }
457 }
458 
459 static int
460 cmd_status(int argc, char *argv[])
461 {
462     int		ch, verbosity = 1, i, unit;
463 
464     optreset = 1;
465     optind = 1;
466     while ((ch = getopt(argc, argv, "qv")) != -1)
467 	switch(ch) {
468 	case 'q':
469 	    verbosity = 0;
470 	    break;
471 	case 'v':
472 	    verbosity = 2;
473 	    break;
474 	default:
475 	    return(cmd_help(argc, argv));
476 	}
477     argc -= optind;
478     argv += optind;
479 
480     if (argc < 1) {
481 	mlx_foreach(controller_print, &verbosity);
482 	mlxd_foreach(status_print, &verbosity);
483     } else {
484 	for (i = 0; i < argc; i++) {
485 	    if ((unit = driveunit(argv[i])) == -1) {
486 		warnx("'%s' is not a valid drive", argv[i]);
487 	    } else {
488 		status_print(unit, &verbosity);
489 	    }
490 	}
491     }
492     return(status_result);
493 }
494 
495 /********************************************************************************
496  * Recscan for system drives on one or more controllers.
497  *
498  * rescan <controller> [<controller>...]
499  * rescan -a
500  */
501 static void
502 rescan_ctrlr(int unit, void *junk __unused)
503 {
504     int		fd;
505 
506     /* Get the device */
507     if ((fd = open(ctrlrpath(unit), 0)) < 0) {
508 	warn("can't open %s", ctrlrpath(unit));
509 	return;
510     }
511 
512     if (ioctl(fd, MLX_RESCAN_DRIVES) < 0)
513 	warn("can't rescan %s", ctrlrname(unit));
514     close(fd);
515 }
516 
517 static int
518 cmd_rescan(int argc, char *argv[])
519 {
520     int		all = 0, i, ch, unit;
521 
522     optreset = 1;
523     optind = 1;
524     while ((ch = getopt(argc, argv, "a")) != -1)
525 	switch(ch) {
526 	case 'a':
527 	    all = 1;
528 	    break;
529 	default:
530 	    return(cmd_help(argc, argv));
531 	}
532     argc -= optind;
533     argv += optind;
534 
535     if (all) {
536 	mlx_foreach(rescan_ctrlr, NULL);
537     } else {
538 	for (i = 0; i < argc; i++) {
539 	    if ((unit = ctrlrunit(argv[i])) == -1) {
540 		warnx("'%s' is not a valid controller", argv[i]);
541 	    } else {
542 		rescan_ctrlr(unit, NULL);
543 	    }
544 	}
545     }
546     return(0);
547 }
548 
549 /********************************************************************************
550  * Detach one or more system drives from a controller.
551  *
552  * detach <drive> [<drive>...]
553  *		Detach <drive>.
554  *
555  * detach -a <controller> [<controller>...]
556  *		Detach all drives on <controller>.
557  *
558  */
559 static void
560 detach_drive(int unit, void *arg __unused)
561 {
562     int		fd;
563 
564     /* Get the device */
565     if ((fd = open(ctrlrpath(unit), 0)) < 0) {
566 	warn("can't open %s", ctrlrpath(unit));
567 	return;
568     }
569 
570     if (ioctl(fd, MLX_DETACH_DRIVE, &unit) < 0)
571 	warn("can't detach %s", drivename(unit));
572     close(fd);
573 }
574 
575 static int
576 cmd_detach(int argc, char *argv[])
577 {
578     struct mlxd_foreach_action	ma;
579     int				all = 0, i, ch, unit;
580 
581     optreset = 1;
582     optind = 1;
583     while ((ch = getopt(argc, argv, "a")) != -1)
584 	switch(ch) {
585 	case 'a':
586 	    all = 1;
587 	    break;
588 	default:
589 	    return(cmd_help(argc, argv));
590 	}
591     argc -= optind;
592     argv += optind;
593 
594     if (all) {
595 	ma.func = detach_drive;
596 	ma.arg = &unit;
597 	for (i = 0; i < argc; i++) {
598 	    if ((unit = ctrlrunit(argv[i])) == -1) {
599 		warnx("'%s' is not a valid controller", argv[i]);
600 	    } else {
601 		mlxd_foreach_ctrlr(unit, &ma);
602 	    }
603 	}
604     } else {
605 	for (i = 0; i < argc; i++) {
606 	    if ((unit = driveunit(argv[i])) == -1) {
607 		warnx("'%s' is not a valid drive", argv[i]);
608 	    } else {
609 		/* run across all controllers to find this drive */
610 		mlx_foreach(detach_drive, &unit);
611 	    }
612 	}
613     }
614     return(0);
615 }
616 
617 /********************************************************************************
618  * Initiate a consistency check on a system drive.
619  *
620  * check [<drive>]
621  *	Start a check of <drive>
622  *
623  */
624 static int
625 cmd_check(int argc, char *argv[])
626 {
627     int		unit, fd, result;
628 
629     if (argc != 2)
630 	return(cmd_help(argc, argv));
631 
632     if ((unit = driveunit(argv[1])) == -1) {
633 	warnx("'%s' is not a valid drive", argv[1]);
634     } else {
635 
636 	/* Get the device */
637 	if ((fd = open(drivepath(unit), 0)) < 0) {
638 	    warn("can't open %s", drivepath(unit));
639 	} else {
640 	    /* Try to start the check */
641 	    if ((ioctl(fd, MLXD_CHECKASYNC, &result)) < 0) {
642 		switch(result) {
643 		case 0x0002:
644 		    warnx("one or more of the SCSI disks on which the drive '%s' depends is DEAD", argv[1]);
645 		    break;
646 		case 0x0105:
647 		    warnx("drive %s is invalid, or not a drive which can be checked", argv[1]);
648 		    break;
649 		case 0x0106:
650 		    warnx("drive rebuild or consistency check is already in progress on this controller");
651 		    break;
652 		default:
653 		    warn("ioctl MLXD_CHECKASYNC");
654 		}
655 	    }
656 	}
657     }
658     return(0);
659 }
660 
661 /********************************************************************************
662  * Initiate a physical drive rebuild
663  *
664  * rebuild <controller> <channel>:<target>
665  *	Start a rebuild of <controller>:<channel>:<target>
666  *
667  */
668 static int
669 cmd_rebuild(int argc, char *argv[])
670 {
671     struct mlx_rebuild_request	rb;
672     int				unit, fd;
673 
674     if (argc != 3)
675 	return(cmd_help(argc, argv));
676 
677     /* parse arguments */
678     if ((unit = ctrlrunit(argv[1])) == -1) {
679 	warnx("'%s' is not a valid controller", argv[1]);
680 	return(1);
681     }
682     /* try diskXXXX and unknownXXXX as we report the latter for a dead drive ... */
683     if ((sscanf(argv[2], "disk%2d%2d", &rb.rr_channel, &rb.rr_target) != 2) &&
684 	(sscanf(argv[2], "unknown%2d%2d", &rb.rr_channel, &rb.rr_target) != 2)) {
685 	warnx("'%s' is not a valid physical drive", argv[2]);
686 	return(1);
687     }
688     /* get the device */
689     if ((fd = open(ctrlrpath(unit), 0)) < 0) {
690 	warn("can't open %s", ctrlrpath(unit));
691 	return(1);
692     }
693     /* try to start the rebuild */
694     if ((ioctl(fd, MLX_REBUILDASYNC, &rb)) < 0) {
695 	switch(rb.rr_status) {
696 	case 0x0002:
697 	    warnx("the drive at %d:%d is already ONLINE", rb.rr_channel, rb.rr_target);
698 	    break;
699 	case 0x0004:
700 	    warnx("drive failed during rebuild");
701 	    break;
702 	case 0x0105:
703 	    warnx("there is no drive at channel %d, target %d", rb.rr_channel, rb.rr_target);
704 	    break;
705 	case 0x0106:
706 	    warnx("drive rebuild or consistency check is already in progress on this controller");
707 	    break;
708 	default:
709 	    warn("ioctl MLXD_REBUILDASYNC");
710 	}
711     }
712     return(0);
713 }
714 
715 /********************************************************************************
716  * Get the configuration from the selected controller.
717  *
718  * config <controller>
719  *		Print the configuration for <controller>
720  *
721  * XXX update to support adding/deleting drives.
722  */
723 
724 int
725 cmd_config(int argc __unused, char *argv[] __unused)
726 {
727     struct conf_config	conf;
728     int			unit = 0;	/* XXX */
729     int			i, j;
730 
731     bzero(&conf.cc_cfg, sizeof(conf.cc_cfg));
732     if (mlx_read_configuration(unit, &conf.cc_cfg)) {
733 	printf("mlx%d: error submitting READ CONFIGURATION\n", unit);
734     } else {
735 
736 	printf("# Controller <INSERT DETAILS HERE>\n");
737 	printf("#\n# Physical devices connected:\n");
738 	for (i = 0; i < 5; i++)
739 	    for (j = 0; j < 16; j++)
740 	    print_phys_drive(&conf, i, j);
741 	printf("#\n# System Drives defined:\n");
742 
743 	for (i = 0; i < conf.cc_cfg.cc_num_sys_drives; i++)
744 	    print_sys_drive(&conf, i);
745     }
746     return(0);
747 }
748 
749 #ifdef SUPPORT_PAUSE
750 /********************************************************************************
751  * Pause one or more channels on a controller
752  *
753  * pause [-d <delay>] [-t <time>] <controller> [<channel>...]
754  *		Pauses <channel> (or all channels) for <time> seconds after a
755  *		delay of <delay> seconds.
756  * pause <controller> -c
757  *		Cancels pending pause
758  */
759 static int
760 cmd_pause(int argc, char *argv[])
761 {
762     struct mlx_pause	mp;
763     int			unit, i, ch, fd, cancel = 0;
764     char		*cp;
765     int			oargc = argc;
766     char		**oargv = argv;
767 
768     mp.mp_which = 0;
769     mp.mp_when = 30;
770     mp.mp_howlong = 30;
771     optreset = 1;
772     optind = 1;
773     while ((ch = getopt(argc, argv, "cd:t:")) != -1)
774 	switch(ch) {
775 	case 'c':
776 	    cancel = 1;
777 	    break;
778 	case 'd':
779 	    mp.mp_when = strtol(optarg, &cp, 0);
780 	    if (*cp != 0)
781 		return(cmd_help(argc, argv));
782 	    break;
783 	case 't':
784 	    mp.mp_howlong = strtol(optarg, &cp, 0);
785 	    if (*cp != 0)
786 		return(cmd_help(argc, argv));
787 	    break;
788 	default:
789 	    return(cmd_help(argc, argv));
790 	}
791     argc -= optind;
792     argv += optind;
793 
794     /* get controller unit number that we're working on */
795     if ((argc < 1) || ((unit = ctrlrunit(argv[0])) == -1))
796 	return(cmd_help(oargc, oargv));
797 
798     /* Get the device */
799     if ((fd = open(ctrlrpath(unit), 0)) < 0) {
800 	warn("can't open %s", ctrlrpath(unit));
801 	return(1);
802     }
803 
804     if (argc == 1) {
805 	/* controller-wide pause/cancel */
806 	mp.mp_which = cancel ? MLX_PAUSE_CANCEL : MLX_PAUSE_ALL;
807     } else {
808 	for (i = 1; i < argc; i++) {
809 	    ch = strtol(argv[i], &cp, 0);
810 	    if (*cp != 0) {
811 		warnx("bad channel number '%s'", argv[i]);
812 		continue;
813 	    } else {
814 		mp.mp_which |= (1 << ch);
815 	    }
816 	}
817     }
818     if ((ioctl(fd, MLX_PAUSE_CHANNEL, &mp)) < 0)
819 	warn("couldn't %s %s", cancel ? "cancel pause on" : "pause", ctrlrname(unit));
820     close(fd);
821     return(0);
822 }
823 #endif	/* SUPPORT_PAUSE */
824 
825