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raidctl.c revision 1.76
      1 /*      $NetBSD: raidctl.c,v 1.76 2022/06/14 08:06:01 kre Exp $   */
      2 
      3 /*-
      4  * Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Greg Oster
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 /*
     33  * This program is a re-write of the original rf_ctrl program
     34  * distributed by CMU with RAIDframe 1.1.
     35  *
     36  * This program is the user-land interface to the RAIDframe kernel
     37  * driver in NetBSD.
     38  */
     39 #include <sys/cdefs.h>
     40 
     41 #ifndef lint
     42 __RCSID("$NetBSD: raidctl.c,v 1.76 2022/06/14 08:06:01 kre Exp $");
     43 #endif
     44 
     45 
     46 #include <sys/param.h>
     47 #include <sys/ioctl.h>
     48 #include <sys/stat.h>
     49 #include <sys/disklabel.h>
     50 
     51 #include <ctype.h>
     52 #include <err.h>
     53 #include <errno.h>
     54 #include <fcntl.h>
     55 #include <stdio.h>
     56 #include <stdlib.h>
     57 #include <string.h>
     58 #include <inttypes.h>
     59 #include <unistd.h>
     60 #include <util.h>
     61 
     62 #include <dev/raidframe/raidframevar.h>
     63 #include <dev/raidframe/raidframeio.h>
     64 #include "rf_configure.h"
     65 #include "prog_ops.h"
     66 
     67 void	do_ioctl(int, u_long, void *, const char *);
     68 static  void rf_configure(int, char*, int);
     69 static  const char *device_status(RF_DiskStatus_t);
     70 static  void rf_get_device_status(int);
     71 static	void rf_output_configuration(int, const char *);
     72 static  void get_component_number(int, char *, int *, int *);
     73 static  void rf_fail_disk(int, char *, int);
     74 __dead static  void usage(void);
     75 static  void get_component_label(int, char *);
     76 static  void set_component_label(int, char *);
     77 static  void init_component_labels(int, int);
     78 static  void set_autoconfig(int, int, char *);
     79 static  void add_hot_spare(int, char *);
     80 static  void remove_hot_spare(int, char *);
     81 static  void rebuild_in_place(int, char *);
     82 static  void check_status(int,int);
     83 static  void check_parity(int,int, char *);
     84 static  void do_meter(int, u_long);
     85 static  void get_bar(char *, double, int);
     86 static  void get_time_string(char *, size_t, int);
     87 static  void rf_output_pmstat(int, int);
     88 static  void rf_pm_configure(int, int, char *, int[]);
     89 static  unsigned int xstrtouint(const char *);
     90 
     91 int verbose;
     92 
     93 static const char *rootpart[] = { "No", "Force", "Soft", "*invalid*" };
     94 
     95 static void
     96 get_comp(char *buf, char *arg, size_t bufsz)
     97 {
     98 	if (getfsspecname(buf, bufsz, arg) == NULL)
     99 		errx(1,"%s",buf);
    100 }
    101 
    102 int
    103 main(int argc,char *argv[])
    104 {
    105 	int ch, i;
    106 	int num_options;
    107 	unsigned long action;
    108 	char config_filename[PATH_MAX];
    109 	char dev_name[PATH_MAX];
    110 	char name[PATH_MAX];
    111 	char component[PATH_MAX];
    112 	char autoconf[10];
    113 	char *parityconf = NULL;
    114 	int parityparams[3];
    115 	int do_output;
    116 	int do_recon;
    117 	int do_rewrite;
    118 	int raidID;
    119 	int serial_number;
    120 	struct stat st;
    121 	int fd;
    122 	int force;
    123 	int openmode;
    124 	int last_unit;
    125 
    126 	num_options = 0;
    127 	action = 0;
    128 	do_output = 0;
    129 	do_recon = 0;
    130 	do_rewrite = 0;
    131 	serial_number = 0;
    132 	force = 0;
    133 	last_unit = 0;
    134 	openmode = O_RDWR;	/* default to read/write */
    135 
    136 	while ((ch = getopt(argc, argv, "a:A:Bc:C:f:F:g:GiI:l:LmM:r:R:sSpPuU:v"))
    137 	       != -1)
    138 		switch(ch) {
    139 		case 'a':
    140 			action = RAIDFRAME_ADD_HOT_SPARE;
    141 			get_comp(component, optarg, sizeof(component));
    142 			num_options++;
    143 			break;
    144 		case 'A':
    145 			action = RAIDFRAME_SET_AUTOCONFIG;
    146 			strlcpy(autoconf, optarg, sizeof(autoconf));
    147 			num_options++;
    148 			break;
    149 		case 'B':
    150 			action = RAIDFRAME_COPYBACK;
    151 			num_options++;
    152 			break;
    153 		case 'c':
    154 			action = RAIDFRAME_CONFIGURE;
    155 			strlcpy(config_filename, optarg,
    156 			    sizeof(config_filename));
    157 			force = 0;
    158 			num_options++;
    159 			break;
    160 		case 'C':
    161 			strlcpy(config_filename, optarg,
    162 			    sizeof(config_filename));
    163 			action = RAIDFRAME_CONFIGURE;
    164 			force = 1;
    165 			num_options++;
    166 			break;
    167 		case 'f':
    168 			action = RAIDFRAME_FAIL_DISK;
    169 			get_comp(component, optarg, sizeof(component));
    170 			do_recon = 0;
    171 			num_options++;
    172 			break;
    173 		case 'F':
    174 			action = RAIDFRAME_FAIL_DISK;
    175 			get_comp(component, optarg, sizeof(component));
    176 			do_recon = 1;
    177 			num_options++;
    178 			break;
    179 		case 'g':
    180 			action = RAIDFRAME_GET_COMPONENT_LABEL;
    181 			get_comp(component, optarg, sizeof(component));
    182 			openmode = O_RDONLY;
    183 			num_options++;
    184 			break;
    185 		case 'G':
    186 			action = RAIDFRAME_GET_INFO;
    187 			openmode = O_RDONLY;
    188 			do_output = 1;
    189 			num_options++;
    190 			break;
    191 		case 'i':
    192 			action = RAIDFRAME_REWRITEPARITY;
    193 			num_options++;
    194 			break;
    195 		case 'I':
    196 			action = RAIDFRAME_INIT_LABELS;
    197 			serial_number = xstrtouint(optarg);
    198 			num_options++;
    199 			break;
    200 		case 'l':
    201 			action = RAIDFRAME_SET_COMPONENT_LABEL;
    202 			get_comp(component, optarg, sizeof(component));
    203 			num_options++;
    204 			break;
    205 		case 'L':
    206 			action = RAIDFRAME_RESCAN;
    207 			num_options++;
    208 			break;
    209 		case 'm':
    210 			action = RAIDFRAME_PARITYMAP_STATUS;
    211 			openmode = O_RDONLY;
    212 			num_options++;
    213 			break;
    214 		case 'M':
    215 			action = RAIDFRAME_PARITYMAP_SET_DISABLE;
    216 			parityconf = strdup(optarg);
    217 			num_options++;
    218 			/* XXXjld: should rf_pm_configure do the strtol()s? */
    219 			i = 0;
    220 			while (i < 3 && optind < argc &&
    221 			    isdigit((int)argv[optind][0]))
    222 				parityparams[i++] = xstrtouint(argv[optind++]);
    223 			while (i < 3)
    224 				parityparams[i++] = 0;
    225 			break;
    226 		case 'p':
    227 			action = RAIDFRAME_CHECK_PARITY;
    228 			openmode = O_RDONLY;
    229 			num_options++;
    230 			break;
    231 		case 'P':
    232 			action = RAIDFRAME_CHECK_PARITY;
    233 			do_rewrite = 1;
    234 			num_options++;
    235 			break;
    236 		case 'r':
    237 			action = RAIDFRAME_REMOVE_HOT_SPARE;
    238 			get_comp(component, optarg, sizeof(component));
    239 			num_options++;
    240 			break;
    241 		case 'R':
    242 			get_comp(component, optarg, sizeof(component));
    243 			action = RAIDFRAME_REBUILD_IN_PLACE;
    244 			num_options++;
    245 			break;
    246 		case 's':
    247 			action = RAIDFRAME_GET_INFO;
    248 			openmode = O_RDONLY;
    249 			num_options++;
    250 			break;
    251 		case 'S':
    252 			action = RAIDFRAME_CHECK_RECON_STATUS_EXT;
    253 			openmode = O_RDONLY;
    254 			num_options++;
    255 			break;
    256 		case 'u':
    257 			action = RAIDFRAME_SHUTDOWN;
    258 			num_options++;
    259 			break;
    260 		case 'U':
    261 			action = RAIDFRAME_SET_LAST_UNIT;
    262 			num_options++;
    263 			last_unit = atoi(optarg);
    264 			if (last_unit < 0)
    265 				errx(1, "Bad last unit %s", optarg);
    266 			break;
    267 		case 'v':
    268 			verbose = 1;
    269 			/* Don't bump num_options, as '-v' is not
    270 			   an option like the others */
    271 			/* num_options++; */
    272 			break;
    273 		default:
    274 			usage();
    275 		}
    276 	argc -= optind;
    277 	argv += optind;
    278 
    279 	if ((num_options > 1) || (argc == 0))
    280 		usage();
    281 
    282 	if (prog_init && prog_init() == -1)
    283 		err(1, "init failed");
    284 
    285 	strlcpy(name, argv[0], sizeof(name));
    286 	fd = opendisk1(name, openmode, dev_name, sizeof(dev_name), 0,
    287 	    prog_open);
    288 	if (fd == -1)
    289 		err(1, "Unable to open device file: %s", name);
    290 	if (prog_fstat(fd, &st) == -1)
    291 		err(1, "stat failure on: %s", dev_name);
    292 	if (!S_ISBLK(st.st_mode) && !S_ISCHR(st.st_mode))
    293 		err(1, "invalid device: %s", dev_name);
    294 
    295 	raidID = DISKUNIT(st.st_rdev);
    296 
    297 	switch (action) {
    298 	case RAIDFRAME_ADD_HOT_SPARE:
    299 		add_hot_spare(fd, component);
    300 		break;
    301 	case RAIDFRAME_REMOVE_HOT_SPARE:
    302 		remove_hot_spare(fd, component);
    303 		break;
    304 	case RAIDFRAME_CONFIGURE:
    305 		rf_configure(fd, config_filename, force);
    306 		break;
    307 	case RAIDFRAME_SET_AUTOCONFIG:
    308 		set_autoconfig(fd, raidID, autoconf);
    309 		break;
    310 	case RAIDFRAME_COPYBACK:
    311 		printf("Copyback.\n");
    312 		do_ioctl(fd, RAIDFRAME_COPYBACK, NULL, "RAIDFRAME_COPYBACK");
    313 		if (verbose) {
    314 			sleep(3); /* XXX give the copyback a chance to start */
    315 			printf("Copyback status:\n");
    316 			do_meter(fd,RAIDFRAME_CHECK_COPYBACK_STATUS_EXT);
    317 		}
    318 		break;
    319 	case RAIDFRAME_FAIL_DISK:
    320 		rf_fail_disk(fd, component, do_recon);
    321 		break;
    322 	case RAIDFRAME_SET_COMPONENT_LABEL:
    323 		set_component_label(fd, component);
    324 		break;
    325 	case RAIDFRAME_GET_COMPONENT_LABEL:
    326 		get_component_label(fd, component);
    327 		break;
    328 	case RAIDFRAME_INIT_LABELS:
    329 		init_component_labels(fd, serial_number);
    330 		break;
    331 	case RAIDFRAME_REWRITEPARITY:
    332 		printf("Initiating re-write of parity\n");
    333 		do_ioctl(fd, RAIDFRAME_REWRITEPARITY, NULL,
    334 			 "RAIDFRAME_REWRITEPARITY");
    335 		if (verbose) {
    336 			sleep(3); /* XXX give it time to get started */
    337 			printf("Parity Re-write status:\n");
    338 			do_meter(fd, RAIDFRAME_CHECK_PARITYREWRITE_STATUS_EXT);
    339 		}
    340 		break;
    341 	case RAIDFRAME_CHECK_RECON_STATUS_EXT:
    342 		check_status(fd,1);
    343 		break;
    344 	case RAIDFRAME_GET_INFO:
    345 		if (do_output)
    346 			rf_output_configuration(fd, dev_name);
    347 		else
    348 			rf_get_device_status(fd);
    349 		break;
    350 	case RAIDFRAME_PARITYMAP_STATUS:
    351 		rf_output_pmstat(fd, raidID);
    352 		break;
    353 	case RAIDFRAME_PARITYMAP_SET_DISABLE:
    354 		rf_pm_configure(fd, raidID, parityconf, parityparams);
    355 		break;
    356 	case RAIDFRAME_REBUILD_IN_PLACE:
    357 		rebuild_in_place(fd, component);
    358 		break;
    359 	case RAIDFRAME_CHECK_PARITY:
    360 		check_parity(fd, do_rewrite, dev_name);
    361 		break;
    362 	case RAIDFRAME_SHUTDOWN:
    363 		do_ioctl(fd, RAIDFRAME_SHUTDOWN, NULL, "RAIDFRAME_SHUTDOWN");
    364 		break;
    365 	case RAIDFRAME_SET_LAST_UNIT:
    366 		do_ioctl(fd, RAIDFRAME_SET_LAST_UNIT, &last_unit,
    367 		    "RAIDFRAME_SET_LAST_UNIT");
    368 		break;
    369 	case RAIDFRAME_RESCAN:
    370 		do_ioctl(fd, RAIDFRAME_RESCAN, NULL, "RAIDFRAME_RESCAN");
    371 		break;
    372 	default:
    373 		break;
    374 	}
    375 
    376 	prog_close(fd);
    377 	exit(0);
    378 }
    379 
    380 void
    381 do_ioctl(int fd, unsigned long command, void *arg, const char *ioctl_name)
    382 {
    383 	if (prog_ioctl(fd, command, arg) == -1)
    384 		err(1, "ioctl (%s) failed", ioctl_name);
    385 }
    386 
    387 
    388 static void
    389 rf_configure(int fd, char *config_file, int force)
    390 {
    391 	void *generic;
    392 	RF_Config_t cfg;
    393 
    394 	if (rf_MakeConfig( config_file, &cfg ) != 0)
    395 		err(1, "Unable to create RAIDframe configuration structure");
    396 
    397 	cfg.force = force;
    398 
    399 	/*
    400 	 * Note the extra level of redirection needed here, since
    401 	 * what we really want to pass in is a pointer to the pointer to
    402 	 * the configuration structure.
    403 	 */
    404 
    405 	generic = &cfg;
    406 	do_ioctl(fd, RAIDFRAME_CONFIGURE, &generic, "RAIDFRAME_CONFIGURE");
    407 }
    408 
    409 static const char *
    410 device_status(RF_DiskStatus_t status)
    411 {
    412 
    413 	switch (status) {
    414 	case rf_ds_optimal:
    415 		return ("optimal");
    416 		break;
    417 	case rf_ds_failed:
    418 		return ("failed");
    419 		break;
    420 	case rf_ds_reconstructing:
    421 		return ("reconstructing");
    422 		break;
    423 	case rf_ds_dist_spared:
    424 		return ("dist_spared");
    425 		break;
    426 	case rf_ds_spared:
    427 		return ("spared");
    428 		break;
    429 	case rf_ds_spare:
    430 		return ("spare");
    431 		break;
    432 	case rf_ds_used_spare:
    433 		return ("used_spare");
    434 		break;
    435 	default:
    436 		return ("UNKNOWN");
    437 	}
    438 	/* NOTREACHED */
    439 }
    440 
    441 static void
    442 rf_get_device_status(int fd)
    443 {
    444 	RF_DeviceConfig_t device_config;
    445 	void *cfg_ptr;
    446 	int is_clean;
    447 	int i, nspares;
    448 
    449 	cfg_ptr = &device_config;
    450 
    451 	do_ioctl(fd, RAIDFRAME_GET_INFO, &cfg_ptr, "RAIDFRAME_GET_INFO");
    452 
    453 	printf("Components:\n");
    454 	for(i=0; i < device_config.ndevs; i++) {
    455 		printf("%20s: %s\n", device_config.devs[i].devname,
    456 		       device_status(device_config.devs[i].status));
    457 	}
    458 
    459 	nspares = MIN(device_config.nspares,
    460 	                __arraycount(device_config.spares));
    461 
    462 	if (nspares > 0) {
    463 		printf("Spares:\n");
    464 		for(i=0; i < nspares; i++) {
    465 			printf("%20s: %s\n",
    466 			       device_config.spares[i].devname,
    467 			       device_status(device_config.spares[i].status));
    468 		}
    469 	} else {
    470 		printf("No spares.\n");
    471 	}
    472 	for(i=0; i < device_config.ndevs; i++) {
    473 		if (device_config.devs[i].status == rf_ds_optimal) {
    474 			get_component_label(fd, device_config.devs[i].devname);
    475 		} else {
    476 			printf("%s status is: %s.  Skipping label.\n",
    477 			       device_config.devs[i].devname,
    478 			       device_status(device_config.devs[i].status));
    479 		}
    480 	}
    481 
    482 	if (nspares > 0) {
    483 		for(i=0; i < nspares; i++) {
    484 			if ((device_config.spares[i].status ==
    485 			     rf_ds_optimal) ||
    486 			    (device_config.spares[i].status ==
    487 			     rf_ds_used_spare)) {
    488 				get_component_label(fd,
    489 					    device_config.spares[i].devname);
    490 			} else {
    491 				printf("%s status is: %s.  Skipping label.\n",
    492 				       device_config.spares[i].devname,
    493 				       device_status(
    494 					   device_config.spares[i].status));
    495 			}
    496 		}
    497 	}
    498 
    499 	do_ioctl(fd, RAIDFRAME_CHECK_PARITY, &is_clean,
    500 		 "RAIDFRAME_CHECK_PARITY");
    501 	if (is_clean) {
    502 		printf("Parity status: clean\n");
    503 	} else {
    504 		printf("Parity status: DIRTY\n");
    505 	}
    506 	check_status(fd,0);
    507 }
    508 
    509 static void
    510 rf_output_pmstat(int fd, int raidID)
    511 {
    512 	char srs[7];
    513 	unsigned int i, j;
    514 	int dis, dr;
    515 	struct rf_pmstat st;
    516 
    517 	if (prog_ioctl(fd, RAIDFRAME_PARITYMAP_STATUS, &st) == -1) {
    518 		if (errno == EINVAL) {
    519 			printf("raid%d: has no parity; parity map disabled\n",
    520 				raidID);
    521 			return;
    522 		}
    523 		err(1, "ioctl (%s) failed", "RAIDFRAME_PARITYMAP_STATUS");
    524 	}
    525 
    526 	if (st.enabled) {
    527 		if (0 > humanize_number(srs, 7, st.region_size * DEV_BSIZE,
    528 			"B", HN_AUTOSCALE, HN_NOSPACE))
    529 			strlcpy(srs, "???", 7);
    530 
    531 		printf("raid%d: parity map enabled with %u regions of %s\n",
    532 		    raidID, st.params.regions, srs);
    533 		printf("raid%d: regions marked clean after %d intervals of"
    534 		    " %d.%03ds\n", raidID, st.params.cooldown,
    535 		    st.params.tickms / 1000, st.params.tickms % 1000);
    536 		printf("raid%d: write/sync/clean counters "
    537 		    "%"PRIu64"/%"PRIu64"/%"PRIu64"\n", raidID,
    538 		    st.ctrs.nwrite, st.ctrs.ncachesync, st.ctrs.nclearing);
    539 
    540 		dr = 0;
    541 		for (i = 0; i < st.params.regions; i++)
    542 			if (isset(st.dirty, i))
    543 				dr++;
    544 		printf("raid%d: %d dirty region%s\n", raidID, dr,
    545 		    dr == 1 ? "" : "s");
    546 
    547 		if (verbose > 0) {
    548 			for (i = 0; i < RF_PARITYMAP_NBYTE; i += 32) {
    549 				printf("    ");
    550 				for (j = i; j < RF_PARITYMAP_NBYTE
    551 					 && j < i + 32; j++)
    552 					printf("%x%x", st.dirty[j] & 15,
    553 					    (st.dirty[j] >> 4) & 15);
    554 				printf("\n");
    555 			}
    556 		}
    557 	} else {
    558 		printf("raid%d: parity map disabled\n", raidID);
    559 	}
    560 
    561 	do_ioctl(fd, RAIDFRAME_PARITYMAP_GET_DISABLE, &dis,
    562 	    "RAIDFRAME_PARITYMAP_GET_DISABLE");
    563 	printf("raid%d: parity map will %s %sabled on next configure\n",
    564 	    raidID, dis == st.enabled ? "be" : "remain", dis ? "dis" : "en");
    565 }
    566 
    567 static void
    568 rf_pm_configure(int fd, int raidID, char *parityconf, int parityparams[])
    569 {
    570 	int dis;
    571 	struct rf_pmparams params;
    572 
    573 	if (strcasecmp(parityconf, "yes") == 0)
    574 		dis = 0;
    575 	else if (strcasecmp(parityconf, "no") == 0)
    576 		dis = 1;
    577 	else if (strcasecmp(parityconf, "set") == 0) {
    578 		params.cooldown = parityparams[0];
    579 		params.tickms = parityparams[1];
    580 		params.regions = parityparams[2];
    581 
    582 		do_ioctl(fd, RAIDFRAME_PARITYMAP_SET_PARAMS, &params,
    583 		    "RAIDFRAME_PARITYMAP_SET_PARAMS");
    584 
    585 		if (params.cooldown != 0 || params.tickms != 0) {
    586 			printf("raid%d: parity cleaned after", raidID);
    587 			if (params.cooldown != 0)
    588 				printf(" %d", params.cooldown);
    589 			printf(" intervals");
    590 			if (params.tickms != 0) {
    591 				printf(" of %d.%03ds", params.tickms / 1000,
    592 				    params.tickms % 1000);
    593 			}
    594 			printf("\n");
    595 		}
    596 		if (params.regions != 0)
    597 			printf("raid%d: will use %d regions on next"
    598 			    " configuration\n", raidID, params.regions);
    599 
    600 		return;
    601 		/* XXX the control flow here could be prettier. */
    602 	} else
    603 		err(1, "`%s' is not a valid parity map command", parityconf);
    604 
    605 	do_ioctl(fd, RAIDFRAME_PARITYMAP_SET_DISABLE, &dis,
    606 	    "RAIDFRAME_PARITYMAP_SET_DISABLE");
    607 	printf("raid%d: parity map will be %sabled on next configure\n",
    608 	    raidID, dis ? "dis" : "en");
    609 }
    610 
    611 /* convert "component0" into "absent" */
    612 static const char *rf_output_devname(const char *name)
    613 {
    614 
    615 	if (strncmp(name, "component", 9) == 0)
    616 		return "absent";
    617 	return name;
    618 }
    619 
    620 static void
    621 rf_output_configuration(int fd, const char *name)
    622 {
    623 	RF_DeviceConfig_t device_config;
    624 	void *cfg_ptr;
    625 	int i, nspares;
    626 	RF_ComponentLabel_t component_label;
    627 	void *label_ptr;
    628 	int component_num;
    629 	int num_cols;
    630 
    631 	cfg_ptr = &device_config;
    632 
    633 	printf("# raidctl config file for %s\n", name);
    634 	printf("\n");
    635 	do_ioctl(fd, RAIDFRAME_GET_INFO, &cfg_ptr, "RAIDFRAME_GET_INFO");
    636 
    637 	nspares = MIN(device_config.nspares,
    638 	                __arraycount(device_config.spares));
    639 
    640 	/*
    641 	 * After NetBSD 9, convert this to not output the numRow's value,
    642 	 * which is no longer required or ever used.
    643 	 */
    644 	printf("START array\n");
    645 	printf("# numRow numCol numSpare\n");
    646 	printf("%d %d %d\n", 1, device_config.cols,
    647 	    device_config.nspares);
    648 	printf("\n");
    649 
    650 	printf("START disks\n");
    651 	for(i=0; i < device_config.ndevs; i++)
    652 		printf("%s\n",
    653 		    rf_output_devname(device_config.devs[i].devname));
    654 	printf("\n");
    655 
    656 	if (nspares > 0) {
    657 		printf("START spare\n");
    658 		for(i=0; i < nspares; i++)
    659 			printf("%s\n", device_config.spares[i].devname);
    660 		printf("\n");
    661 	}
    662 
    663 	for(i=0; i < device_config.ndevs; i++) {
    664 		if (device_config.devs[i].status == rf_ds_optimal)
    665 			break;
    666 	}
    667 	if (i == device_config.ndevs) {
    668 		printf("# WARNING: no optimal components; using %s\n",
    669 		    device_config.devs[0].devname);
    670 		i = 0;
    671 	}
    672 	get_component_number(fd, device_config.devs[i].devname,
    673 	    &component_num, &num_cols);
    674 	memset(&component_label, 0, sizeof(RF_ComponentLabel_t));
    675 	component_label.row = component_num / num_cols;
    676 	component_label.column = component_num % num_cols;
    677 	label_ptr = &component_label;
    678 	do_ioctl(fd, RAIDFRAME_GET_COMPONENT_LABEL, label_ptr,
    679 		  "RAIDFRAME_GET_COMPONENT_LABEL");
    680 
    681 	printf("START layout\n");
    682 	printf(
    683 	    "# sectPerSU SUsPerParityUnit SUsPerReconUnit RAID_level_%c\n",
    684 	    (char) component_label.parityConfig);
    685 	printf("%d %d %d %c\n",
    686 	    component_label.sectPerSU, component_label.SUsPerPU,
    687 	    component_label.SUsPerRU, (char) component_label.parityConfig);
    688 	printf("\n");
    689 
    690 	printf("START queue\n");
    691 	printf("fifo %d\n", device_config.maxqdepth);
    692 }
    693 
    694 static void
    695 get_component_number(int fd, char *component_name, int *component_number,
    696 		     int *num_columns)
    697 {
    698 	RF_DeviceConfig_t device_config;
    699 	void *cfg_ptr;
    700 	int i, nspares;
    701 	int found;
    702 
    703 	*component_number = -1;
    704 
    705 	/* Assuming a full path spec... */
    706 	cfg_ptr = &device_config;
    707 	do_ioctl(fd, RAIDFRAME_GET_INFO, &cfg_ptr,
    708 		 "RAIDFRAME_GET_INFO");
    709 
    710 	*num_columns = device_config.cols;
    711 
    712 	nspares = MIN(device_config.nspares,
    713 	                __arraycount(device_config.spares));
    714 
    715 	found = 0;
    716 	for(i=0; i < device_config.ndevs; i++) {
    717 		if (strncmp(component_name, device_config.devs[i].devname,
    718 			    PATH_MAX)==0) {
    719 			found = 1;
    720 			*component_number = i;
    721 		}
    722 	}
    723 	if (!found) { /* maybe it's a spare? */
    724 		for(i=0; i < nspares; i++) {
    725 			if (strncmp(component_name,
    726 				    device_config.spares[i].devname,
    727 				    PATH_MAX)==0) {
    728 				found = 1;
    729 				*component_number = i + device_config.ndevs;
    730 				/* the way spares are done should
    731 				   really change... */
    732 				*num_columns = device_config.cols +
    733 					device_config.nspares;
    734 			}
    735 		}
    736 	}
    737 
    738 	if (!found)
    739 		err(1,"%s is not a component of this device", component_name);
    740 }
    741 
    742 static void
    743 rf_fail_disk(int fd, char *component_to_fail, int do_recon)
    744 {
    745 	struct rf_recon_req recon_request;
    746 	int component_num;
    747 	int num_cols;
    748 
    749 	get_component_number(fd, component_to_fail, &component_num, &num_cols);
    750 
    751 	recon_request.col = component_num % num_cols;
    752 	if (do_recon) {
    753 		recon_request.flags = RF_FDFLAGS_RECON;
    754 	} else {
    755 		recon_request.flags = RF_FDFLAGS_NONE;
    756 	}
    757 	do_ioctl(fd, RAIDFRAME_FAIL_DISK, &recon_request,
    758 		 "RAIDFRAME_FAIL_DISK");
    759 	if (do_recon && verbose) {
    760 		printf("Reconstruction status:\n");
    761 		sleep(3); /* XXX give reconstruction a chance to start */
    762 		do_meter(fd,RAIDFRAME_CHECK_RECON_STATUS_EXT);
    763 	}
    764 }
    765 
    766 static void
    767 get_component_label(int fd, char *component)
    768 {
    769 	RF_ComponentLabel_t component_label;
    770 	void *label_ptr;
    771 	int component_num;
    772 	int num_cols;
    773 
    774 	get_component_number(fd, component, &component_num, &num_cols);
    775 
    776 	memset( &component_label, 0, sizeof(RF_ComponentLabel_t));
    777 	component_label.row = component_num / num_cols;
    778 	component_label.column = component_num % num_cols;
    779 
    780 	label_ptr = &component_label;
    781 	do_ioctl( fd, RAIDFRAME_GET_COMPONENT_LABEL, label_ptr,
    782 		  "RAIDFRAME_GET_COMPONENT_LABEL");
    783 
    784 	printf("Component label for %s:\n",component);
    785 
    786 	printf("   Row: %d, Column: %d, Num Rows: %d, Num Columns: %d\n",
    787 	       component_label.row, component_label.column,
    788 	       component_label.num_rows, component_label.num_columns);
    789 	printf("   Version: %d, Serial Number: %u, Mod Counter: %d\n",
    790 	       component_label.version, component_label.serial_number,
    791 	       component_label.mod_counter);
    792 	printf("   Clean: %s, Status: %d\n",
    793 	       component_label.clean ? "Yes" : "No",
    794 	       component_label.status );
    795 	printf("   sectPerSU: %d, SUsPerPU: %d, SUsPerRU: %d\n",
    796 	       component_label.sectPerSU, component_label.SUsPerPU,
    797 	       component_label.SUsPerRU);
    798 	printf("   Queue size: %d, blocksize: %d, numBlocks: %"PRIu64"\n",
    799 	       component_label.maxOutstanding, component_label.blockSize,
    800 	       rf_component_label_numblocks(&component_label));
    801 	printf("   RAID Level: %c\n", (char) component_label.parityConfig);
    802 	printf("   Autoconfig: %s\n",
    803 	       component_label.autoconfigure ? "Yes" : "No" );
    804 	printf("   Root partition: %s\n",
    805 	       rootpart[component_label.root_partition & 3]);
    806 	printf("   Last configured as: raid%d\n", component_label.last_unit );
    807 }
    808 
    809 static void
    810 set_component_label(int fd, char *component)
    811 {
    812 	RF_ComponentLabel_t component_label;
    813 	int component_num;
    814 	int num_cols;
    815 
    816 	get_component_number(fd, component, &component_num, &num_cols);
    817 
    818 	/* XXX This is currently here for testing, and future expandability */
    819 
    820 	component_label.version = 1;
    821 	component_label.serial_number = 123456;
    822 	component_label.mod_counter = 0;
    823 	component_label.row = component_num / num_cols;
    824 	component_label.column = component_num % num_cols;
    825 	component_label.num_rows = 0;
    826 	component_label.num_columns = 5;
    827 	component_label.clean = 0;
    828 	component_label.status = 1;
    829 
    830 	do_ioctl( fd, RAIDFRAME_SET_COMPONENT_LABEL, &component_label,
    831 		  "RAIDFRAME_SET_COMPONENT_LABEL");
    832 }
    833 
    834 
    835 static void
    836 init_component_labels(int fd, int serial_number)
    837 {
    838 	RF_ComponentLabel_t component_label;
    839 
    840 	component_label.version = 0;
    841 	component_label.serial_number = serial_number;
    842 	component_label.mod_counter = 0;
    843 	component_label.row = 0;
    844 	component_label.column = 0;
    845 	component_label.num_rows = 0;
    846 	component_label.num_columns = 0;
    847 	component_label.clean = 0;
    848 	component_label.status = 0;
    849 
    850 	do_ioctl( fd, RAIDFRAME_INIT_LABELS, &component_label,
    851 		  "RAIDFRAME_INIT_LABELS");
    852 }
    853 
    854 static void
    855 set_autoconfig(int fd, int raidID, char *autoconf)
    856 {
    857 	int auto_config;
    858 	int root_config;
    859 
    860 	auto_config = 0;
    861 	root_config = 0;
    862 
    863 	if (strncasecmp(autoconf, "root", 4) == 0 ||
    864 	    strncasecmp(autoconf, "hard", 4) == 0 ||
    865 	    strncasecmp(autoconf, "force", 5) == 0) {
    866 		root_config = 1;
    867 	} else if (strncasecmp(autoconf, "soft", 4) == 0) {
    868 		root_config = 2;
    869 	}
    870 
    871 	if ((strncasecmp(autoconf,"yes", 3) == 0) ||
    872 	    root_config > 0) {
    873 		auto_config = 1;
    874 	}
    875 
    876 	do_ioctl(fd, RAIDFRAME_SET_AUTOCONFIG, &auto_config,
    877 		 "RAIDFRAME_SET_AUTOCONFIG");
    878 
    879 	do_ioctl(fd, RAIDFRAME_SET_ROOT, &root_config,
    880 		 "RAIDFRAME_SET_ROOT");
    881 
    882 	printf("raid%d: Autoconfigure: %s\n", raidID,
    883 	       auto_config ? "Yes" : "No");
    884 
    885 	if (auto_config == 1) {
    886 		printf("raid%d: Root: %s\n", raidID, rootpart[root_config]);
    887 	}
    888 }
    889 
    890 static void
    891 add_hot_spare(int fd, char *component)
    892 {
    893 	RF_SingleComponent_t hot_spare;
    894 
    895 	hot_spare.row = 0;
    896 	hot_spare.column = 0;
    897 	strncpy(hot_spare.component_name, component,
    898 		sizeof(hot_spare.component_name));
    899 
    900 	do_ioctl( fd, RAIDFRAME_ADD_HOT_SPARE, &hot_spare,
    901 		  "RAIDFRAME_ADD_HOT_SPARE");
    902 }
    903 
    904 static void
    905 remove_hot_spare(int fd, char *component)
    906 {
    907 	RF_SingleComponent_t hot_spare;
    908 	int component_num;
    909 	int num_cols;
    910 
    911 	get_component_number(fd, component, &component_num, &num_cols);
    912 
    913 	hot_spare.row = component_num / num_cols;
    914 	hot_spare.column = component_num % num_cols;
    915 
    916 	strncpy(hot_spare.component_name, component,
    917 		sizeof(hot_spare.component_name));
    918 
    919 	do_ioctl( fd, RAIDFRAME_REMOVE_HOT_SPARE, &hot_spare,
    920 		  "RAIDFRAME_REMOVE_HOT_SPARE");
    921 }
    922 
    923 static void
    924 rebuild_in_place(int fd, char *component)
    925 {
    926 	RF_SingleComponent_t comp;
    927 	int component_num;
    928 	int num_cols;
    929 
    930 	get_component_number(fd, component, &component_num, &num_cols);
    931 
    932 	comp.row = 0;
    933 	comp.column = component_num;
    934 	strncpy(comp.component_name, component, sizeof(comp.component_name));
    935 
    936 	do_ioctl( fd, RAIDFRAME_REBUILD_IN_PLACE, &comp,
    937 		  "RAIDFRAME_REBUILD_IN_PLACE");
    938 
    939 	if (verbose) {
    940 		printf("Reconstruction status:\n");
    941 		sleep(3); /* XXX give reconstruction a chance to start */
    942 		do_meter(fd,RAIDFRAME_CHECK_RECON_STATUS_EXT);
    943 	}
    944 
    945 }
    946 
    947 static void
    948 check_parity(int fd, int do_rewrite, char *dev_name)
    949 {
    950 	int is_clean;
    951 	int percent_done;
    952 
    953 	is_clean = 0;
    954 	percent_done = 0;
    955 	do_ioctl(fd, RAIDFRAME_CHECK_PARITY, &is_clean,
    956 		 "RAIDFRAME_CHECK_PARITY");
    957 	if (is_clean) {
    958 		printf("%s: Parity status: clean\n",dev_name);
    959 	} else {
    960 		printf("%s: Parity status: DIRTY\n",dev_name);
    961 		if (do_rewrite) {
    962 			printf("%s: Initiating re-write of parity\n",
    963 			       dev_name);
    964 			do_ioctl(fd, RAIDFRAME_REWRITEPARITY, NULL,
    965 				 "RAIDFRAME_REWRITEPARITY");
    966 			sleep(3); /* XXX give it time to
    967 				     get started. */
    968 			if (verbose) {
    969 				printf("Parity Re-write status:\n");
    970 				do_meter(fd,
    971 				    RAIDFRAME_CHECK_PARITYREWRITE_STATUS_EXT);
    972 			} else {
    973 				do_ioctl(fd,
    974 					 RAIDFRAME_CHECK_PARITYREWRITE_STATUS,
    975 					 &percent_done,
    976 					 "RAIDFRAME_CHECK_PARITYREWRITE_STATUS"
    977 					 );
    978 				while( percent_done < 100 ) {
    979 					sleep(3); /* wait a bit... */
    980 					do_ioctl(fd,
    981 					   RAIDFRAME_CHECK_PARITYREWRITE_STATUS,
    982 						 &percent_done,
    983 				    "RAIDFRAME_CHECK_PARITYREWRITE_STATUS");
    984 				}
    985 
    986 			}
    987 			printf("%s: Parity Re-write complete\n", dev_name);
    988 		} else {
    989 			/* parity is wrong, and is not being fixed.
    990 			   Exit w/ an error. */
    991 			exit(1);
    992 		}
    993 	}
    994 }
    995 
    996 
    997 static void
    998 check_status(int fd, int meter)
    999 {
   1000 	int recon_percent_done = 0;
   1001 	int parity_percent_done = 0;
   1002 	int copyback_percent_done = 0;
   1003 
   1004 	do_ioctl(fd, RAIDFRAME_CHECK_RECON_STATUS, &recon_percent_done,
   1005 		 "RAIDFRAME_CHECK_RECON_STATUS");
   1006 	printf("Reconstruction is %d%% complete.\n", recon_percent_done);
   1007 	do_ioctl(fd, RAIDFRAME_CHECK_PARITYREWRITE_STATUS,
   1008 		 &parity_percent_done,
   1009 		 "RAIDFRAME_CHECK_PARITYREWRITE_STATUS");
   1010 	printf("Parity Re-write is %d%% complete.\n", parity_percent_done);
   1011 	do_ioctl(fd, RAIDFRAME_CHECK_COPYBACK_STATUS, &copyback_percent_done,
   1012 		 "RAIDFRAME_CHECK_COPYBACK_STATUS");
   1013 	printf("Copyback is %d%% complete.\n", copyback_percent_done);
   1014 
   1015 	if (meter) {
   1016 		/* These 3 should be mutually exclusive at this point */
   1017 		if (recon_percent_done < 100) {
   1018 			printf("Reconstruction status:\n");
   1019 			do_meter(fd,RAIDFRAME_CHECK_RECON_STATUS_EXT);
   1020 		} else if (parity_percent_done < 100) {
   1021 			printf("Parity Re-write status:\n");
   1022 			do_meter(fd,RAIDFRAME_CHECK_PARITYREWRITE_STATUS_EXT);
   1023 		} else if (copyback_percent_done < 100) {
   1024 			printf("Copyback status:\n");
   1025 			do_meter(fd,RAIDFRAME_CHECK_COPYBACK_STATUS_EXT);
   1026 		}
   1027 	}
   1028 }
   1029 
   1030 const char *tbits = "|/-\\";
   1031 
   1032 static void
   1033 do_meter(int fd, u_long option)
   1034 {
   1035 	int percent_done;
   1036 	RF_uint64 start_value;
   1037 	RF_ProgressInfo_t progressInfo;
   1038 	void *pInfoPtr;
   1039 	struct timeval start_time;
   1040 	struct timeval current_time;
   1041 	double elapsed;
   1042 	int elapsed_sec;
   1043 	int elapsed_usec;
   1044 	int simple_eta,last_eta;
   1045 	double rate;
   1046 	RF_uint64 amount;
   1047 	int tbit_value;
   1048 	char bar_buffer[1024];
   1049 	char eta_buffer[1024];
   1050 
   1051 	if (gettimeofday(&start_time,NULL) == -1)
   1052 		err(1, "gettimeofday failed!?!?");
   1053 	memset(&progressInfo, 0, sizeof(RF_ProgressInfo_t));
   1054 	pInfoPtr=&progressInfo;
   1055 
   1056 	percent_done = 0;
   1057 	do_ioctl(fd, option, pInfoPtr, "");
   1058 	start_value = progressInfo.completed;
   1059 	current_time = start_time;
   1060 	simple_eta = 0;
   1061 	last_eta = 0;
   1062 
   1063 	tbit_value = 0;
   1064 	while(progressInfo.completed < progressInfo.total) {
   1065 
   1066 		percent_done = (progressInfo.completed * 100) /
   1067 			progressInfo.total;
   1068 
   1069 		get_bar(bar_buffer, percent_done, 40);
   1070 
   1071 		elapsed_sec = current_time.tv_sec - start_time.tv_sec;
   1072 		elapsed_usec = current_time.tv_usec - start_time.tv_usec;
   1073 		if (elapsed_usec < 0) {
   1074 			elapsed_usec-=1000000;
   1075 			elapsed_sec++;
   1076 		}
   1077 
   1078 		elapsed = (double) elapsed_sec +
   1079 			(double) elapsed_usec / 1000000.0;
   1080 
   1081 		amount = progressInfo.completed - start_value;
   1082 
   1083 		if (amount <= 0) { /* we don't do negatives (yet?) */
   1084 			amount = 0;
   1085 		}
   1086 
   1087 		if (elapsed == 0)
   1088 			rate = 0.0;
   1089 		else
   1090 			rate = amount / elapsed;
   1091 
   1092 		if (rate > 0.0) {
   1093 			simple_eta = (int) (((double)progressInfo.total -
   1094 					     (double) progressInfo.completed)
   1095 					    / rate);
   1096 		} else {
   1097 			simple_eta = -1;
   1098 		}
   1099 
   1100 		if (simple_eta <=0) {
   1101 			simple_eta = last_eta;
   1102 		} else {
   1103 			last_eta = simple_eta;
   1104 		}
   1105 
   1106 		get_time_string(eta_buffer, sizeof eta_buffer, simple_eta);
   1107 
   1108 		fprintf(stdout,"\r%3d%% |%s| ETA: %s %c",
   1109 			percent_done,bar_buffer,eta_buffer,tbits[tbit_value]);
   1110 		fflush(stdout);
   1111 
   1112 		if (++tbit_value>3)
   1113 			tbit_value = 0;
   1114 
   1115 		sleep(2);
   1116 
   1117 		if (gettimeofday(&current_time,NULL) == -1)
   1118 			err(1, "gettimeofday failed!?!?");
   1119 
   1120 		do_ioctl( fd, option, pInfoPtr, "");
   1121 
   1122 
   1123 	}
   1124 	printf("\n");
   1125 }
   1126 /* 40 '*''s per line, then 40 ' ''s line. */
   1127 /* If you've got a screen wider than 160 characters, "tough" */
   1128 
   1129 #define STAR_MIDPOINT 4*40
   1130 const char stars[] = "****************************************"
   1131                      "****************************************"
   1132                      "****************************************"
   1133                      "****************************************"
   1134                      "                                        "
   1135                      "                                        "
   1136                      "                                        "
   1137                      "                                        "
   1138                      "                                        ";
   1139 
   1140 static void
   1141 get_bar(char *string, double percent, int max_strlen)
   1142 {
   1143 	int offset;
   1144 
   1145 	if (max_strlen > STAR_MIDPOINT) {
   1146 		max_strlen = STAR_MIDPOINT;
   1147 	}
   1148 	offset = STAR_MIDPOINT -
   1149 		(int)((percent * max_strlen)/ 100);
   1150 	if (offset < 0)
   1151 		offset = 0;
   1152 	snprintf(string,max_strlen,"%s",stars+offset);
   1153 }
   1154 
   1155 static void
   1156 get_time_string(char *string, size_t len, int simple_time)
   1157 {
   1158 	int minutes, seconds, hours;
   1159 	char hours_buffer[8];
   1160 	char minutes_buffer[5];
   1161 	char seconds_buffer[5];
   1162 
   1163 	if (simple_time >= 0) {
   1164 
   1165 		minutes = simple_time / 60;
   1166 		seconds = simple_time - 60*minutes;
   1167 		hours = minutes / 60;
   1168 		minutes = minutes - 60*hours;
   1169 #if defined(__GNUC__)
   1170 		/*
   1171 		 * snprintf() truncation checker fails to detect that seconds
   1172 		 * and minutes will be 0-59 range.
   1173 		 */
   1174 		if (minutes < 0 || minutes > 60)
   1175 			minutes = 60;
   1176 		if (seconds < 0 || seconds > 60)
   1177 			seconds = 60;
   1178 #endif
   1179 
   1180 		if (hours > 0) {
   1181 			snprintf(hours_buffer,sizeof hours_buffer,
   1182 			    "%02d:",hours);
   1183 		} else {
   1184 			snprintf(hours_buffer,sizeof hours_buffer,"   ");
   1185 		}
   1186 
   1187 		snprintf(minutes_buffer,sizeof minutes_buffer,"%02d:",minutes);
   1188 		snprintf(seconds_buffer,sizeof seconds_buffer,"%02d",seconds);
   1189 		snprintf(string,len,"%s%s%s",
   1190 			 hours_buffer, minutes_buffer, seconds_buffer);
   1191 	} else {
   1192 		snprintf(string,len,"   --:--");
   1193 	}
   1194 
   1195 }
   1196 
   1197 static void
   1198 usage(void)
   1199 {
   1200 	const char *progname = getprogname();
   1201 
   1202 	fprintf(stderr,
   1203 	    "usage: %s [-v] -A [yes | no | softroot | hardroot] dev\n",
   1204 	    progname);
   1205 	fprintf(stderr, "       %s [-v] -a component dev\n", progname);
   1206 	fprintf(stderr, "       %s [-v] -B dev\n", progname);
   1207 	fprintf(stderr, "       %s [-v] -C config_file dev\n", progname);
   1208 	fprintf(stderr, "       %s [-v] -c config_file dev\n", progname);
   1209 	fprintf(stderr, "       %s [-v] -F component dev\n", progname);
   1210 	fprintf(stderr, "       %s [-v] -f component dev\n", progname);
   1211 	fprintf(stderr, "       %s [-v] -G dev\n", progname);
   1212 	fprintf(stderr, "       %s [-v] -g component dev\n", progname);
   1213 	fprintf(stderr, "       %s [-v] -I serial_number dev\n", progname);
   1214 	fprintf(stderr, "       %s [-v] -i dev\n", progname);
   1215 	fprintf(stderr, "       %s [-v] -M [yes | no | set params] dev\n",
   1216 	    progname);
   1217 	fprintf(stderr, "       %s [-v] -m dev\n", progname);
   1218 	fprintf(stderr, "       %s [-v] -P dev\n", progname);
   1219 	fprintf(stderr, "       %s [-v] -p dev\n", progname);
   1220 	fprintf(stderr, "       %s [-v] -R component dev\n", progname);
   1221 	fprintf(stderr, "       %s [-v] -r component dev\n", progname);
   1222 	fprintf(stderr, "       %s [-v] -S dev\n", progname);
   1223 	fprintf(stderr, "       %s [-v] -s dev\n", progname);
   1224 	fprintf(stderr, "       %s [-v] -U unit dev\n", progname);
   1225 	fprintf(stderr, "       %s [-v] -u dev\n", progname);
   1226 	exit(1);
   1227 	/* NOTREACHED */
   1228 }
   1229 
   1230 static unsigned int
   1231 xstrtouint(const char *str)
   1232 {
   1233 	int e;
   1234 	unsigned int num = (unsigned int)strtou(str, NULL, 10, 0, INT_MAX, &e);
   1235 	if (e)
   1236 		errc(EXIT_FAILURE, e, "Bad number `%s'", str);
   1237 	return num;
   1238 }
   1239