raidctl.c revision 1.81 1 /* $NetBSD: raidctl.c,v 1.81 2023/09/21 01:48:41 oster 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 1.81 2023/09/21 01:48:41 oster 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 #ifndef RAIDFRAME_REMOVE_COMPONENT
68 #define RAIDFRAME_REMOVE_COMPONENT RAIDFRAME_REMOVE_HOT_SPARE
69 #endif
70
71 #define CONFIGURE_TEST 1 /* must be different from any raidframe ioctl */
72
73 void do_ioctl(int, u_long, void *, const char *);
74 static void rf_configure(int, char*, int);
75 static const char *device_status(RF_DiskStatus_t);
76 static void rf_get_device_status(int);
77 static void rf_output_configuration(int, const char *);
78 static void get_component_number(int, char *, int *, int *);
79 static void rf_fail_disk(int, char *, int);
80 __dead static void usage(void);
81 static void get_component_label(int, char *);
82 static void set_component_label(int, char *);
83 static void init_component_labels(int, int);
84 static void set_autoconfig(int, int, char *);
85 static void add_hot_spare(int, char *);
86 static void remove_component(int, char *);
87 static void rebuild_in_place(int, char *);
88 static void check_status(int,int);
89 static void check_parity(int,int, char *);
90 static void do_meter(int, u_long);
91 static void get_bar(char *, double, int);
92 static void get_time_string(char *, size_t, int);
93 static void rf_output_pmstat(int, int);
94 static void rf_pm_configure(int, int, char *, int[]);
95 static void rf_simple_create(int, int, char *[]);
96 static unsigned int xstrtouint(const char *);
97
98 int verbose;
99
100 static const char *rootpart[] = { "No", "Force", "Soft", "*invalid*" };
101
102 static void
103 get_comp(char *buf, char *arg, size_t bufsz)
104 {
105 if (getfsspecname(buf, bufsz, arg) == NULL)
106 errx(1,"%s",buf);
107 }
108
109 int
110 main(int argc,char *argv[])
111 {
112 int ch, i;
113 int num_options;
114 unsigned long action;
115 char config_filename[PATH_MAX];
116 char dev_name[PATH_MAX];
117 char name[PATH_MAX];
118 char component[PATH_MAX];
119 char autoconf[10];
120 char *parityconf = NULL;
121 int parityparams[3];
122 int do_output;
123 int do_recon;
124 int do_rewrite;
125 int raidID;
126 int serial_number;
127 struct stat st;
128 int fd;
129 int force;
130 int openmode;
131 int last_unit;
132 struct timeval tv;
133
134 num_options = 0;
135 action = 0;
136 do_output = 0;
137 do_recon = 0;
138 do_rewrite = 0;
139 serial_number = 0;
140 force = 0;
141 last_unit = 0;
142 openmode = O_RDWR; /* default to read/write */
143
144 if (argc > 5) {
145 /* we have at least 5 args, so it might be a simplified config */
146
147 strlcpy(name, argv[1], sizeof(name));
148 fd = opendisk(name, openmode, dev_name, sizeof(dev_name), 0);
149 if (fd != -1) {
150 /* we were able to open the device... */
151 if (fstat(fd, &st) == -1)
152 err(1, "stat failure on: %s", dev_name);
153 if (!S_ISBLK(st.st_mode) && !S_ISCHR(st.st_mode))
154 err(1, "invalid device: %s", dev_name);
155
156 raidID = DISKUNIT(st.st_rdev);
157 if (strncmp(argv[2],"create",6)==0) {
158 rf_simple_create(fd,argc-3,&argv[3]);
159
160 /* set serial number, set autoconfig, init parity */
161
162 if (gettimeofday(&tv,NULL) == -1) {
163 serial_number = 12345777;
164 } else {
165 serial_number = tv.tv_sec;
166 }
167 init_component_labels(fd, serial_number);
168 strlcpy(autoconf, "yes", sizeof(autoconf));
169 set_autoconfig(fd, raidID, autoconf);
170
171 } else
172 usage();
173
174 close(fd);
175 exit(0);
176 }
177
178 /* otherwise we go back to regular parsing */
179 }
180
181 while ((ch = getopt(argc, argv,
182 "a:A:Bc:C:f:F:g:GiI:l:LmM:r:R:sSpPt:uU:v")) != -1)
183 switch (ch) {
184 case 'a':
185 action = RAIDFRAME_ADD_HOT_SPARE;
186 get_comp(component, optarg, sizeof(component));
187 num_options++;
188 break;
189 case 'A':
190 action = RAIDFRAME_SET_AUTOCONFIG;
191 strlcpy(autoconf, optarg, sizeof(autoconf));
192 num_options++;
193 break;
194 case 'B':
195 action = RAIDFRAME_COPYBACK;
196 num_options++;
197 break;
198 case 'c':
199 action = RAIDFRAME_CONFIGURE;
200 strlcpy(config_filename, optarg,
201 sizeof(config_filename));
202 force = 0;
203 num_options++;
204 break;
205 case 'C':
206 strlcpy(config_filename, optarg,
207 sizeof(config_filename));
208 action = RAIDFRAME_CONFIGURE;
209 force = 1;
210 num_options++;
211 break;
212 case 'f':
213 action = RAIDFRAME_FAIL_DISK;
214 get_comp(component, optarg, sizeof(component));
215 do_recon = 0;
216 num_options++;
217 break;
218 case 'F':
219 action = RAIDFRAME_FAIL_DISK;
220 get_comp(component, optarg, sizeof(component));
221 do_recon = 1;
222 num_options++;
223 break;
224 case 'g':
225 action = RAIDFRAME_GET_COMPONENT_LABEL;
226 get_comp(component, optarg, sizeof(component));
227 openmode = O_RDONLY;
228 num_options++;
229 break;
230 case 'G':
231 action = RAIDFRAME_GET_INFO;
232 openmode = O_RDONLY;
233 do_output = 1;
234 num_options++;
235 break;
236 case 'i':
237 action = RAIDFRAME_REWRITEPARITY;
238 num_options++;
239 break;
240 case 'I':
241 action = RAIDFRAME_INIT_LABELS;
242 serial_number = xstrtouint(optarg);
243 num_options++;
244 break;
245 case 'l':
246 action = RAIDFRAME_SET_COMPONENT_LABEL;
247 get_comp(component, optarg, sizeof(component));
248 num_options++;
249 break;
250 case 'L':
251 action = RAIDFRAME_RESCAN;
252 num_options++;
253 break;
254 case 'm':
255 action = RAIDFRAME_PARITYMAP_STATUS;
256 openmode = O_RDONLY;
257 num_options++;
258 break;
259 case 'M':
260 action = RAIDFRAME_PARITYMAP_SET_DISABLE;
261 parityconf = strdup(optarg);
262 num_options++;
263 /* XXXjld: should rf_pm_configure do the strtol()s? */
264 i = 0;
265 while (i < 3 && optind < argc &&
266 isdigit((int)argv[optind][0]))
267 parityparams[i++] = xstrtouint(argv[optind++]);
268 while (i < 3)
269 parityparams[i++] = 0;
270 break;
271 case 'p':
272 action = RAIDFRAME_CHECK_PARITY;
273 openmode = O_RDONLY;
274 num_options++;
275 break;
276 case 'P':
277 action = RAIDFRAME_CHECK_PARITY;
278 do_rewrite = 1;
279 num_options++;
280 break;
281 case 'r':
282 action = RAIDFRAME_REMOVE_COMPONENT;
283 get_comp(component, optarg, sizeof(component));
284 num_options++;
285 break;
286 case 'R':
287 get_comp(component, optarg, sizeof(component));
288 action = RAIDFRAME_REBUILD_IN_PLACE;
289 num_options++;
290 break;
291 case 's':
292 action = RAIDFRAME_GET_INFO;
293 openmode = O_RDONLY;
294 num_options++;
295 break;
296 case 'S':
297 action = RAIDFRAME_CHECK_RECON_STATUS_EXT;
298 openmode = O_RDONLY;
299 num_options++;
300 break;
301 case 't':
302 action = CONFIGURE_TEST;
303 strlcpy(config_filename, optarg,
304 sizeof(config_filename));
305 num_options++;
306 break;
307 case 'u':
308 action = RAIDFRAME_SHUTDOWN;
309 num_options++;
310 break;
311 case 'U':
312 action = RAIDFRAME_SET_LAST_UNIT;
313 num_options++;
314 last_unit = atoi(optarg);
315 if (last_unit < 0)
316 errx(1, "Bad last unit %s", optarg);
317 break;
318 case 'v':
319 verbose = 1;
320 /* Don't bump num_options, as '-v' is not
321 an option like the others */
322 /* num_options++; */
323 break;
324 default:
325 usage();
326 }
327 argc -= optind;
328 argv += optind;
329
330 if (num_options > 1)
331 usage();
332
333 if (action == CONFIGURE_TEST) {
334 RF_Config_t cfg;
335
336 if (argc != 0)
337 usage();
338 if (rf_MakeConfig(config_filename, &cfg) != 0)
339 exit(1);
340 exit(0);;
341 }
342
343 if (argc != 1)
344 usage();
345
346 if (prog_init && prog_init() == -1)
347 err(1, "init failed");
348
349 strlcpy(name, argv[0], sizeof(name));
350 fd = opendisk1(name, openmode, dev_name, sizeof(dev_name), 0,
351 prog_open);
352 if (fd == -1)
353 err(1, "Unable to open device file: %s", name);
354 if (prog_fstat(fd, &st) == -1)
355 err(1, "stat failure on: %s", dev_name);
356 if (!S_ISBLK(st.st_mode) && !S_ISCHR(st.st_mode))
357 err(1, "invalid device: %s", dev_name);
358
359 raidID = DISKUNIT(st.st_rdev);
360
361 switch (action) {
362 case RAIDFRAME_ADD_HOT_SPARE:
363 add_hot_spare(fd, component);
364 break;
365 case RAIDFRAME_REMOVE_COMPONENT:
366 remove_component(fd, component);
367 break;
368 case RAIDFRAME_CONFIGURE:
369 rf_configure(fd, config_filename, force);
370 break;
371 case RAIDFRAME_SET_AUTOCONFIG:
372 set_autoconfig(fd, raidID, autoconf);
373 break;
374 case RAIDFRAME_COPYBACK:
375 printf("Copyback.\n");
376 do_ioctl(fd, RAIDFRAME_COPYBACK, NULL, "RAIDFRAME_COPYBACK");
377 if (verbose) {
378 sleep(3); /* XXX give the copyback a chance to start */
379 printf("Copyback status:\n");
380 do_meter(fd,RAIDFRAME_CHECK_COPYBACK_STATUS_EXT);
381 }
382 break;
383 case RAIDFRAME_FAIL_DISK:
384 rf_fail_disk(fd, component, do_recon);
385 break;
386 case RAIDFRAME_SET_COMPONENT_LABEL:
387 set_component_label(fd, component);
388 break;
389 case RAIDFRAME_GET_COMPONENT_LABEL:
390 get_component_label(fd, component);
391 break;
392 case RAIDFRAME_INIT_LABELS:
393 init_component_labels(fd, serial_number);
394 break;
395 case RAIDFRAME_REWRITEPARITY:
396 printf("Initiating re-write of parity\n");
397 do_ioctl(fd, RAIDFRAME_REWRITEPARITY, NULL,
398 "RAIDFRAME_REWRITEPARITY");
399 if (verbose) {
400 sleep(3); /* XXX give it time to get started */
401 printf("Parity Re-write status:\n");
402 do_meter(fd, RAIDFRAME_CHECK_PARITYREWRITE_STATUS_EXT);
403 }
404 break;
405 case RAIDFRAME_CHECK_RECON_STATUS_EXT:
406 check_status(fd,1);
407 break;
408 case RAIDFRAME_GET_INFO:
409 if (do_output)
410 rf_output_configuration(fd, dev_name);
411 else
412 rf_get_device_status(fd);
413 break;
414 case RAIDFRAME_PARITYMAP_STATUS:
415 rf_output_pmstat(fd, raidID);
416 break;
417 case RAIDFRAME_PARITYMAP_SET_DISABLE:
418 rf_pm_configure(fd, raidID, parityconf, parityparams);
419 break;
420 case RAIDFRAME_REBUILD_IN_PLACE:
421 rebuild_in_place(fd, component);
422 break;
423 case RAIDFRAME_CHECK_PARITY:
424 check_parity(fd, do_rewrite, dev_name);
425 break;
426 case RAIDFRAME_SHUTDOWN:
427 do_ioctl(fd, RAIDFRAME_SHUTDOWN, NULL, "RAIDFRAME_SHUTDOWN");
428 break;
429 case RAIDFRAME_SET_LAST_UNIT:
430 do_ioctl(fd, RAIDFRAME_SET_LAST_UNIT, &last_unit,
431 "RAIDFRAME_SET_LAST_UNIT");
432 break;
433 case RAIDFRAME_RESCAN:
434 do_ioctl(fd, RAIDFRAME_RESCAN, NULL, "RAIDFRAME_RESCAN");
435 break;
436 default:
437 break;
438 }
439
440 prog_close(fd);
441 exit(0);
442 }
443
444 void
445 do_ioctl(int fd, unsigned long command, void *arg, const char *ioctl_name)
446 {
447 if (prog_ioctl(fd, command, arg) == -1)
448 err(1, "ioctl (%s) failed", ioctl_name);
449 }
450
451
452 static void
453 rf_configure(int fd, char *config_file, int force)
454 {
455 void *generic;
456 RF_Config_t cfg;
457
458 if (rf_MakeConfig( config_file, &cfg ) != 0)
459 err(1, "Unable to create RAIDframe configuration structure");
460
461 cfg.force = force;
462
463 /*
464 * Note the extra level of redirection needed here, since
465 * what we really want to pass in is a pointer to the pointer to
466 * the configuration structure.
467 */
468
469 generic = &cfg;
470 do_ioctl(fd, RAIDFRAME_CONFIGURE, &generic, "RAIDFRAME_CONFIGURE");
471 }
472
473 static const char *
474 device_status(RF_DiskStatus_t status)
475 {
476
477 switch (status) {
478 case rf_ds_optimal:
479 return ("optimal");
480 break;
481 case rf_ds_failed:
482 return ("failed");
483 break;
484 case rf_ds_reconstructing:
485 return ("reconstructing");
486 break;
487 case rf_ds_dist_spared:
488 return ("dist_spared");
489 break;
490 case rf_ds_spared:
491 return ("spared");
492 break;
493 case rf_ds_spare:
494 return ("spare");
495 break;
496 case rf_ds_used_spare:
497 return ("used_spare");
498 break;
499 default:
500 return ("UNKNOWN");
501 }
502 /* NOTREACHED */
503 }
504
505 static void
506 rf_get_device_status(int fd)
507 {
508 RF_DeviceConfig_t device_config;
509 void *cfg_ptr;
510 int is_clean;
511 int i, nspares;
512
513 cfg_ptr = &device_config;
514
515 do_ioctl(fd, RAIDFRAME_GET_INFO, &cfg_ptr, "RAIDFRAME_GET_INFO");
516
517 printf("Components:\n");
518 for(i=0; i < device_config.ndevs; i++) {
519 printf("%20s: %s\n", device_config.devs[i].devname,
520 device_status(device_config.devs[i].status));
521 }
522
523 nspares = MIN(device_config.nspares,
524 __arraycount(device_config.spares));
525
526 if (nspares > 0) {
527 printf("Spares:\n");
528 for(i=0; i < nspares; i++) {
529 printf("%20s: %s\n",
530 device_config.spares[i].devname,
531 device_status(device_config.spares[i].status));
532 }
533 } else {
534 printf("No spares.\n");
535 }
536 for(i=0; i < device_config.ndevs; i++) {
537 if (device_config.devs[i].status == rf_ds_optimal) {
538 get_component_label(fd, device_config.devs[i].devname);
539 } else {
540 printf("%s status is: %s. Skipping label.\n",
541 device_config.devs[i].devname,
542 device_status(device_config.devs[i].status));
543 }
544 }
545
546 if (nspares > 0) {
547 for(i=0; i < nspares; i++) {
548 if ((device_config.spares[i].status ==
549 rf_ds_optimal) ||
550 (device_config.spares[i].status ==
551 rf_ds_used_spare)) {
552 get_component_label(fd,
553 device_config.spares[i].devname);
554 } else {
555 printf("%s status is: %s. Skipping label.\n",
556 device_config.spares[i].devname,
557 device_status(
558 device_config.spares[i].status));
559 }
560 }
561 }
562
563 do_ioctl(fd, RAIDFRAME_CHECK_PARITY, &is_clean,
564 "RAIDFRAME_CHECK_PARITY");
565 if (is_clean) {
566 printf("Parity status: clean\n");
567 } else {
568 printf("Parity status: DIRTY\n");
569 }
570 check_status(fd,0);
571 }
572
573 static void
574 rf_output_pmstat(int fd, int raidID)
575 {
576 char srs[7];
577 unsigned int i, j;
578 int dis, dr;
579 struct rf_pmstat st;
580
581 if (prog_ioctl(fd, RAIDFRAME_PARITYMAP_STATUS, &st) == -1) {
582 if (errno == EINVAL) {
583 printf("raid%d: has no parity; parity map disabled\n",
584 raidID);
585 return;
586 }
587 err(1, "ioctl (%s) failed", "RAIDFRAME_PARITYMAP_STATUS");
588 }
589
590 if (st.enabled) {
591 if (0 > humanize_number(srs, 7, st.region_size * DEV_BSIZE,
592 "B", HN_AUTOSCALE, HN_NOSPACE))
593 strlcpy(srs, "???", 7);
594
595 printf("raid%d: parity map enabled with %u regions of %s\n",
596 raidID, st.params.regions, srs);
597 printf("raid%d: regions marked clean after %d intervals of"
598 " %d.%03ds\n", raidID, st.params.cooldown,
599 st.params.tickms / 1000, st.params.tickms % 1000);
600 printf("raid%d: write/sync/clean counters "
601 "%"PRIu64"/%"PRIu64"/%"PRIu64"\n", raidID,
602 st.ctrs.nwrite, st.ctrs.ncachesync, st.ctrs.nclearing);
603
604 dr = 0;
605 for (i = 0; i < st.params.regions; i++)
606 if (isset(st.dirty, i))
607 dr++;
608 printf("raid%d: %d dirty region%s\n", raidID, dr,
609 dr == 1 ? "" : "s");
610
611 if (verbose > 0) {
612 for (i = 0; i < RF_PARITYMAP_NBYTE; i += 32) {
613 printf(" ");
614 for (j = i; j < RF_PARITYMAP_NBYTE
615 && j < i + 32; j++)
616 printf("%x%x", st.dirty[j] & 15,
617 (st.dirty[j] >> 4) & 15);
618 printf("\n");
619 }
620 }
621 } else {
622 printf("raid%d: parity map disabled\n", raidID);
623 }
624
625 do_ioctl(fd, RAIDFRAME_PARITYMAP_GET_DISABLE, &dis,
626 "RAIDFRAME_PARITYMAP_GET_DISABLE");
627 printf("raid%d: parity map will %s %sabled on next configure\n",
628 raidID, dis == st.enabled ? "be" : "remain", dis ? "dis" : "en");
629 }
630
631 static void
632 rf_pm_configure(int fd, int raidID, char *parityconf, int parityparams[])
633 {
634 int dis;
635 struct rf_pmparams params;
636
637 if (strcasecmp(parityconf, "yes") == 0)
638 dis = 0;
639 else if (strcasecmp(parityconf, "no") == 0)
640 dis = 1;
641 else if (strcasecmp(parityconf, "set") == 0) {
642 params.cooldown = parityparams[0];
643 params.tickms = parityparams[1];
644 params.regions = parityparams[2];
645
646 do_ioctl(fd, RAIDFRAME_PARITYMAP_SET_PARAMS, ¶ms,
647 "RAIDFRAME_PARITYMAP_SET_PARAMS");
648
649 if (params.cooldown != 0 || params.tickms != 0) {
650 printf("raid%d: parity cleaned after", raidID);
651 if (params.cooldown != 0)
652 printf(" %d", params.cooldown);
653 printf(" intervals");
654 if (params.tickms != 0) {
655 printf(" of %d.%03ds", params.tickms / 1000,
656 params.tickms % 1000);
657 }
658 printf("\n");
659 }
660 if (params.regions != 0)
661 printf("raid%d: will use %d regions on next"
662 " configuration\n", raidID, params.regions);
663
664 return;
665 /* XXX the control flow here could be prettier. */
666 } else
667 err(1, "`%s' is not a valid parity map command", parityconf);
668
669 do_ioctl(fd, RAIDFRAME_PARITYMAP_SET_DISABLE, &dis,
670 "RAIDFRAME_PARITYMAP_SET_DISABLE");
671 printf("raid%d: parity map will be %sabled on next configure\n",
672 raidID, dis ? "dis" : "en");
673 }
674
675 /* convert "component0" into "absent" */
676 static const char *rf_output_devname(const char *name)
677 {
678
679 if (strncmp(name, "component", 9) == 0)
680 return "absent";
681 return name;
682 }
683
684 static void
685 rf_output_configuration(int fd, const char *name)
686 {
687 RF_DeviceConfig_t device_config;
688 void *cfg_ptr;
689 int i, nspares;
690 RF_ComponentLabel_t component_label;
691 void *label_ptr;
692 int component_num;
693 int num_cols;
694
695 cfg_ptr = &device_config;
696
697 printf("# raidctl config file for %s\n", name);
698 printf("\n");
699 do_ioctl(fd, RAIDFRAME_GET_INFO, &cfg_ptr, "RAIDFRAME_GET_INFO");
700
701 nspares = MIN(device_config.nspares,
702 __arraycount(device_config.spares));
703
704 printf("START array\n");
705 printf("# numCol numSpare\n");
706 printf("%d %d\n", device_config.cols, device_config.nspares);
707 printf("\n");
708
709 printf("START disks\n");
710 for(i=0; i < device_config.ndevs; i++)
711 printf("%s\n",
712 rf_output_devname(device_config.devs[i].devname));
713 printf("\n");
714
715 if (nspares > 0) {
716 printf("START spare\n");
717 for(i=0; i < nspares; i++)
718 printf("%s\n", device_config.spares[i].devname);
719 printf("\n");
720 }
721
722 for(i=0; i < device_config.ndevs; i++) {
723 if (device_config.devs[i].status == rf_ds_optimal)
724 break;
725 }
726 if (i == device_config.ndevs) {
727 printf("# WARNING: no optimal components; using %s\n",
728 device_config.devs[0].devname);
729 i = 0;
730 }
731 get_component_number(fd, device_config.devs[i].devname,
732 &component_num, &num_cols);
733 memset(&component_label, 0, sizeof(RF_ComponentLabel_t));
734 component_label.row = component_num / num_cols;
735 component_label.column = component_num % num_cols;
736 label_ptr = &component_label;
737 do_ioctl(fd, RAIDFRAME_GET_COMPONENT_LABEL, label_ptr,
738 "RAIDFRAME_GET_COMPONENT_LABEL");
739
740 printf("START layout\n");
741 printf(
742 "# sectPerSU SUsPerParityUnit SUsPerReconUnit RAID_level_%c\n",
743 (char) component_label.parityConfig);
744 printf("%d %d %d %c\n",
745 component_label.sectPerSU, component_label.SUsPerPU,
746 component_label.SUsPerRU, (char) component_label.parityConfig);
747 printf("\n");
748
749 printf("START queue\n");
750 printf("fifo %d\n", device_config.maxqdepth);
751 }
752
753 static void
754 get_component_number(int fd, char *component_name, int *component_number,
755 int *num_columns)
756 {
757 RF_DeviceConfig_t device_config;
758 void *cfg_ptr;
759 int i, nspares;
760 int found;
761
762 *component_number = -1;
763
764 /* Assuming a full path spec... */
765 cfg_ptr = &device_config;
766 do_ioctl(fd, RAIDFRAME_GET_INFO, &cfg_ptr,
767 "RAIDFRAME_GET_INFO");
768
769 *num_columns = device_config.cols;
770
771 nspares = MIN(device_config.nspares,
772 __arraycount(device_config.spares));
773
774 found = 0;
775 for(i=0; i < device_config.ndevs; i++) {
776 if (strncmp(component_name, device_config.devs[i].devname,
777 PATH_MAX)==0) {
778 found = 1;
779 *component_number = i;
780 }
781 }
782 if (!found) { /* maybe it's a spare? */
783 for(i=0; i < nspares; i++) {
784 if (strncmp(component_name,
785 device_config.spares[i].devname,
786 PATH_MAX)==0) {
787 found = 1;
788 *component_number = i + device_config.ndevs;
789 /* the way spares are done should
790 really change... */
791 *num_columns = device_config.cols +
792 device_config.nspares;
793 }
794 }
795 }
796
797 if (!found)
798 err(1,"%s is not a component of this device", component_name);
799 }
800
801 static void
802 rf_fail_disk(int fd, char *component_to_fail, int do_recon)
803 {
804 struct rf_recon_req recon_request;
805 int component_num;
806 int num_cols;
807
808 get_component_number(fd, component_to_fail, &component_num, &num_cols);
809
810 recon_request.col = component_num % num_cols;
811 if (do_recon) {
812 recon_request.flags = RF_FDFLAGS_RECON;
813 } else {
814 recon_request.flags = RF_FDFLAGS_NONE;
815 }
816 do_ioctl(fd, RAIDFRAME_FAIL_DISK, &recon_request,
817 "RAIDFRAME_FAIL_DISK");
818 if (do_recon && verbose) {
819 printf("Reconstruction status:\n");
820 sleep(3); /* XXX give reconstruction a chance to start */
821 do_meter(fd,RAIDFRAME_CHECK_RECON_STATUS_EXT);
822 }
823 }
824
825 static void
826 get_component_label(int fd, char *component)
827 {
828 RF_ComponentLabel_t component_label;
829 void *label_ptr;
830 int component_num;
831 int num_cols;
832
833 get_component_number(fd, component, &component_num, &num_cols);
834
835 memset( &component_label, 0, sizeof(RF_ComponentLabel_t));
836 component_label.row = component_num / num_cols;
837 component_label.column = component_num % num_cols;
838
839 label_ptr = &component_label;
840 do_ioctl( fd, RAIDFRAME_GET_COMPONENT_LABEL, label_ptr,
841 "RAIDFRAME_GET_COMPONENT_LABEL");
842
843 printf("Component label for %s:\n",component);
844
845 printf(" Row: %d, Column: %d, Num Rows: %d, Num Columns: %d\n",
846 component_label.row, component_label.column,
847 component_label.num_rows, component_label.num_columns);
848 printf(" Version: %d, Serial Number: %u, Mod Counter: %d\n",
849 component_label.version, component_label.serial_number,
850 component_label.mod_counter);
851 printf(" Clean: %s, Status: %d\n",
852 component_label.clean ? "Yes" : "No",
853 component_label.status );
854 printf(" sectPerSU: %d, SUsPerPU: %d, SUsPerRU: %d\n",
855 component_label.sectPerSU, component_label.SUsPerPU,
856 component_label.SUsPerRU);
857 printf(" Queue size: %d, blocksize: %d, numBlocks: %"PRIu64"\n",
858 component_label.maxOutstanding, component_label.blockSize,
859 rf_component_label_numblocks(&component_label));
860 printf(" RAID Level: %c\n", (char) component_label.parityConfig);
861 printf(" Autoconfig: %s\n",
862 component_label.autoconfigure ? "Yes" : "No" );
863 printf(" Root partition: %s\n",
864 rootpart[component_label.root_partition & 3]);
865 printf(" Last configured as: raid%d\n", component_label.last_unit );
866 }
867
868 static void
869 set_component_label(int fd, char *component)
870 {
871 RF_ComponentLabel_t component_label;
872 int component_num;
873 int num_cols;
874
875 get_component_number(fd, component, &component_num, &num_cols);
876
877 /* XXX This is currently here for testing, and future expandability */
878
879 component_label.version = 1;
880 component_label.serial_number = 123456;
881 component_label.mod_counter = 0;
882 component_label.row = component_num / num_cols;
883 component_label.column = component_num % num_cols;
884 component_label.num_rows = 0;
885 component_label.num_columns = 5;
886 component_label.clean = 0;
887 component_label.status = 1;
888
889 do_ioctl( fd, RAIDFRAME_SET_COMPONENT_LABEL, &component_label,
890 "RAIDFRAME_SET_COMPONENT_LABEL");
891 }
892
893
894 static void
895 init_component_labels(int fd, int serial_number)
896 {
897 RF_ComponentLabel_t component_label;
898
899 component_label.version = 0;
900 component_label.serial_number = serial_number;
901 component_label.mod_counter = 0;
902 component_label.row = 0;
903 component_label.column = 0;
904 component_label.num_rows = 0;
905 component_label.num_columns = 0;
906 component_label.clean = 0;
907 component_label.status = 0;
908
909 do_ioctl( fd, RAIDFRAME_INIT_LABELS, &component_label,
910 "RAIDFRAME_INIT_LABELS");
911 }
912
913 static void
914 set_autoconfig(int fd, int raidID, char *autoconf)
915 {
916 int auto_config;
917 int root_config;
918
919 auto_config = 0;
920 root_config = 0;
921
922 if (strncasecmp(autoconf, "root", 4) == 0 ||
923 strncasecmp(autoconf, "hard", 4) == 0 ||
924 strncasecmp(autoconf, "force", 5) == 0) {
925 root_config = 1;
926 } else if (strncasecmp(autoconf, "soft", 4) == 0) {
927 root_config = 2;
928 }
929
930 if ((strncasecmp(autoconf,"yes", 3) == 0) ||
931 root_config > 0) {
932 auto_config = 1;
933 }
934
935 do_ioctl(fd, RAIDFRAME_SET_AUTOCONFIG, &auto_config,
936 "RAIDFRAME_SET_AUTOCONFIG");
937
938 do_ioctl(fd, RAIDFRAME_SET_ROOT, &root_config,
939 "RAIDFRAME_SET_ROOT");
940
941 if (verbose) {
942 printf("raid%d: Autoconfigure: %s\n", raidID,
943 auto_config ? "Yes" : "No");
944 if (auto_config == 1) {
945 printf("raid%d: Root: %s\n", raidID, rootpart[root_config]);
946 }
947 }
948 }
949
950 static void
951 add_hot_spare(int fd, char *component)
952 {
953 RF_SingleComponent_t hot_spare;
954
955 hot_spare.row = 0;
956 hot_spare.column = 0;
957 strncpy(hot_spare.component_name, component,
958 sizeof(hot_spare.component_name));
959
960 do_ioctl( fd, RAIDFRAME_ADD_HOT_SPARE, &hot_spare,
961 "RAIDFRAME_ADD_HOT_SPARE");
962 }
963
964 static void
965 remove_component(int fd, char *component)
966 {
967 RF_SingleComponent_t comp;
968 int component_num;
969 int num_cols;
970
971 get_component_number(fd, component, &component_num, &num_cols);
972
973 comp.row = component_num / num_cols;
974 comp.column = component_num % num_cols;
975
976 strncpy(comp.component_name, component,
977 sizeof(comp.component_name));
978
979 do_ioctl( fd, RAIDFRAME_REMOVE_COMPONENT, &comp,
980 "RAIDFRAME_REMOVE_COMPONENT");
981 }
982
983 static void
984 rebuild_in_place(int fd, char *component)
985 {
986 RF_SingleComponent_t comp;
987 int component_num;
988 int num_cols;
989
990 get_component_number(fd, component, &component_num, &num_cols);
991
992 comp.row = 0;
993 comp.column = component_num;
994 strncpy(comp.component_name, component, sizeof(comp.component_name));
995
996 do_ioctl( fd, RAIDFRAME_REBUILD_IN_PLACE, &comp,
997 "RAIDFRAME_REBUILD_IN_PLACE");
998
999 if (verbose) {
1000 printf("Reconstruction status:\n");
1001 sleep(3); /* XXX give reconstruction a chance to start */
1002 do_meter(fd,RAIDFRAME_CHECK_RECON_STATUS_EXT);
1003 }
1004
1005 }
1006
1007 static void
1008 check_parity(int fd, int do_rewrite, char *dev_name)
1009 {
1010 int is_clean;
1011 int percent_done;
1012
1013 is_clean = 0;
1014 percent_done = 0;
1015 do_ioctl(fd, RAIDFRAME_CHECK_PARITY, &is_clean,
1016 "RAIDFRAME_CHECK_PARITY");
1017 if (is_clean) {
1018 printf("%s: Parity status: clean\n",dev_name);
1019 } else {
1020 printf("%s: Parity status: DIRTY\n",dev_name);
1021 if (do_rewrite) {
1022 printf("%s: Initiating re-write of parity\n",
1023 dev_name);
1024 do_ioctl(fd, RAIDFRAME_REWRITEPARITY, NULL,
1025 "RAIDFRAME_REWRITEPARITY");
1026 sleep(3); /* XXX give it time to
1027 get started. */
1028 if (verbose) {
1029 printf("Parity Re-write status:\n");
1030 do_meter(fd,
1031 RAIDFRAME_CHECK_PARITYREWRITE_STATUS_EXT);
1032 } else {
1033 do_ioctl(fd,
1034 RAIDFRAME_CHECK_PARITYREWRITE_STATUS,
1035 &percent_done,
1036 "RAIDFRAME_CHECK_PARITYREWRITE_STATUS"
1037 );
1038 while( percent_done < 100 ) {
1039 sleep(3); /* wait a bit... */
1040 do_ioctl(fd,
1041 RAIDFRAME_CHECK_PARITYREWRITE_STATUS,
1042 &percent_done,
1043 "RAIDFRAME_CHECK_PARITYREWRITE_STATUS");
1044 }
1045
1046 }
1047 printf("%s: Parity Re-write complete\n", dev_name);
1048 } else {
1049 /* parity is wrong, and is not being fixed.
1050 Exit w/ an error. */
1051 exit(1);
1052 }
1053 }
1054 }
1055
1056
1057 static void
1058 check_status(int fd, int meter)
1059 {
1060 int recon_percent_done = 0;
1061 int parity_percent_done = 0;
1062 int copyback_percent_done = 0;
1063
1064 do_ioctl(fd, RAIDFRAME_CHECK_RECON_STATUS, &recon_percent_done,
1065 "RAIDFRAME_CHECK_RECON_STATUS");
1066 printf("Reconstruction is %d%% complete.\n", recon_percent_done);
1067 do_ioctl(fd, RAIDFRAME_CHECK_PARITYREWRITE_STATUS,
1068 &parity_percent_done,
1069 "RAIDFRAME_CHECK_PARITYREWRITE_STATUS");
1070 printf("Parity Re-write is %d%% complete.\n", parity_percent_done);
1071 do_ioctl(fd, RAIDFRAME_CHECK_COPYBACK_STATUS, ©back_percent_done,
1072 "RAIDFRAME_CHECK_COPYBACK_STATUS");
1073 printf("Copyback is %d%% complete.\n", copyback_percent_done);
1074
1075 if (meter) {
1076 /* These 3 should be mutually exclusive at this point */
1077 if (recon_percent_done < 100) {
1078 printf("Reconstruction status:\n");
1079 do_meter(fd,RAIDFRAME_CHECK_RECON_STATUS_EXT);
1080 } else if (parity_percent_done < 100) {
1081 printf("Parity Re-write status:\n");
1082 do_meter(fd,RAIDFRAME_CHECK_PARITYREWRITE_STATUS_EXT);
1083 } else if (copyback_percent_done < 100) {
1084 printf("Copyback status:\n");
1085 do_meter(fd,RAIDFRAME_CHECK_COPYBACK_STATUS_EXT);
1086 }
1087 }
1088 }
1089
1090 const char *tbits = "|/-\\";
1091
1092 static void
1093 do_meter(int fd, u_long option)
1094 {
1095 int percent_done;
1096 RF_uint64 start_value;
1097 RF_ProgressInfo_t progressInfo;
1098 void *pInfoPtr;
1099 struct timeval start_time;
1100 struct timeval current_time;
1101 double elapsed;
1102 int elapsed_sec;
1103 int elapsed_usec;
1104 int simple_eta,last_eta;
1105 double rate;
1106 RF_uint64 amount;
1107 int tbit_value;
1108 char bar_buffer[1024];
1109 char eta_buffer[1024];
1110
1111 if (gettimeofday(&start_time,NULL) == -1)
1112 err(1, "gettimeofday failed!?!?");
1113 memset(&progressInfo, 0, sizeof(RF_ProgressInfo_t));
1114 pInfoPtr=&progressInfo;
1115
1116 percent_done = 0;
1117 do_ioctl(fd, option, pInfoPtr, "");
1118 start_value = progressInfo.completed;
1119 current_time = start_time;
1120 simple_eta = 0;
1121 last_eta = 0;
1122
1123 tbit_value = 0;
1124 while(progressInfo.completed < progressInfo.total) {
1125
1126 percent_done = (progressInfo.completed * 100) /
1127 progressInfo.total;
1128
1129 get_bar(bar_buffer, percent_done, 40);
1130
1131 elapsed_sec = current_time.tv_sec - start_time.tv_sec;
1132 elapsed_usec = current_time.tv_usec - start_time.tv_usec;
1133 if (elapsed_usec < 0) {
1134 elapsed_usec-=1000000;
1135 elapsed_sec++;
1136 }
1137
1138 elapsed = (double) elapsed_sec +
1139 (double) elapsed_usec / 1000000.0;
1140
1141 amount = progressInfo.completed - start_value;
1142
1143 if (amount <= 0) { /* we don't do negatives (yet?) */
1144 amount = 0;
1145 }
1146
1147 if (elapsed == 0)
1148 rate = 0.0;
1149 else
1150 rate = amount / elapsed;
1151
1152 if (rate > 0.0) {
1153 simple_eta = (int) (((double)progressInfo.total -
1154 (double) progressInfo.completed)
1155 / rate);
1156 } else {
1157 simple_eta = -1;
1158 }
1159
1160 if (simple_eta <=0) {
1161 simple_eta = last_eta;
1162 } else {
1163 last_eta = simple_eta;
1164 }
1165
1166 get_time_string(eta_buffer, sizeof eta_buffer, simple_eta);
1167
1168 fprintf(stdout,"\r%3d%% |%s| ETA: %s %c",
1169 percent_done,bar_buffer,eta_buffer,tbits[tbit_value]);
1170 fflush(stdout);
1171
1172 if (++tbit_value>3)
1173 tbit_value = 0;
1174
1175 sleep(2);
1176
1177 if (gettimeofday(¤t_time,NULL) == -1)
1178 err(1, "gettimeofday failed!?!?");
1179
1180 do_ioctl( fd, option, pInfoPtr, "");
1181
1182
1183 }
1184 printf("\n");
1185 }
1186 /* 40 '*''s per line, then 40 ' ''s line. */
1187 /* If you've got a screen wider than 160 characters, "tough" */
1188
1189 #define STAR_MIDPOINT 4*40
1190 const char stars[] = "****************************************"
1191 "****************************************"
1192 "****************************************"
1193 "****************************************"
1194 " "
1195 " "
1196 " "
1197 " "
1198 " ";
1199
1200 static void
1201 get_bar(char *string, double percent, int max_strlen)
1202 {
1203 int offset;
1204
1205 if (max_strlen > STAR_MIDPOINT) {
1206 max_strlen = STAR_MIDPOINT;
1207 }
1208 offset = STAR_MIDPOINT -
1209 (int)((percent * max_strlen)/ 100);
1210 if (offset < 0)
1211 offset = 0;
1212 snprintf(string,max_strlen,"%s",stars+offset);
1213 }
1214
1215 static void
1216 get_time_string(char *string, size_t len, int simple_time)
1217 {
1218 int minutes, seconds, hours;
1219 char hours_buffer[8];
1220 char minutes_buffer[5];
1221 char seconds_buffer[5];
1222
1223 if (simple_time >= 0) {
1224
1225 minutes = simple_time / 60;
1226 seconds = simple_time - 60*minutes;
1227 hours = minutes / 60;
1228 minutes = minutes - 60*hours;
1229 #if defined(__GNUC__)
1230 /*
1231 * snprintf() truncation checker fails to detect that seconds
1232 * and minutes will be 0-59 range.
1233 */
1234 if (minutes < 0 || minutes > 60)
1235 minutes = 60;
1236 if (seconds < 0 || seconds > 60)
1237 seconds = 60;
1238 #endif
1239
1240 if (hours > 0) {
1241 snprintf(hours_buffer,sizeof hours_buffer,
1242 "%02d:",hours);
1243 } else {
1244 snprintf(hours_buffer,sizeof hours_buffer," ");
1245 }
1246
1247 snprintf(minutes_buffer,sizeof minutes_buffer,"%02d:",minutes);
1248 snprintf(seconds_buffer,sizeof seconds_buffer,"%02d",seconds);
1249 snprintf(string,len,"%s%s%s",
1250 hours_buffer, minutes_buffer, seconds_buffer);
1251 } else {
1252 snprintf(string,len," --:--");
1253 }
1254
1255 }
1256
1257 /* Simplified RAID creation with a single command line... */
1258 static void
1259 rf_simple_create(int fd, int argc, char *argv[])
1260 {
1261 int i;
1262 int level;
1263 int num_components;
1264 char *components[RF_MAXCOL];
1265 void *generic;
1266 RF_Config_t cfg;
1267
1268 /*
1269 * Note the extra level of redirection needed here, since
1270 * what we really want to pass in is a pointer to the pointer to
1271 * the configuration structure.
1272 */
1273
1274
1275 if (strcmp(argv[0],"mirror")==0) {
1276 level = 1;
1277 } else
1278 level = atoi(argv[0]);
1279
1280 if (level != 0 && level != 1 && level !=5)
1281 usage();
1282
1283 /* remaining args must be components */
1284 num_components = 0;
1285 for (i=1 ; i<argc ; i++) {
1286 components[i-1] = argv[i];
1287 num_components++;
1288 }
1289
1290 /* Level 0 must have at least two components.
1291 Level 1 must have exactly two components.
1292 Level 5 must have at least three components. */
1293 if ((level == 0 && num_components < 2) ||
1294 (level == 1 && num_components != 2) ||
1295 (level == 5 && num_components < 3))
1296 usage();
1297
1298 /* build a config... */
1299
1300 memset(&cfg, 0, sizeof(cfg));
1301
1302 cfg.numCol = num_components;
1303 cfg.numSpare = 0;
1304
1305 for (i=0 ; i<num_components; i++) {
1306 strlcpy(cfg.devnames[0][i], components[i],
1307 sizeof(cfg.devnames[0][i]));
1308 }
1309
1310 /* pick some reasonable values for sectPerSU, etc. */
1311 if (level == 0) {
1312 if (num_components == 2) {
1313 /* 64 blocks (32K) per component - 64K data per stripe */
1314 cfg.sectPerSU = 64;
1315 } else if (num_components == 3 || num_components == 4) {
1316 /* 32 blocks (16K) per component - 64K data per strip for
1317 the 4-component case. */
1318 cfg.sectPerSU = 32;
1319 } else {
1320 /* 16 blocks (8K) per component */
1321 cfg.sectPerSU = 16;
1322 }
1323 } else if (level == 1) {
1324 /* 128 blocks (64K per compnent) - 64K per stripe */
1325 cfg.sectPerSU = 128;
1326 } else if (level == 5) {
1327 if (num_components == 3) {
1328 /* 64 blocks (32K) per disk - 64K data per stripe */
1329 cfg.sectPerSU = 64;
1330 } else if (num_components >= 4 && num_components < 9) {
1331 /* 4 components makes 3 data components. No power of 2 is
1332 evenly divisible by 3 so performance will be lousy
1333 regardless of what number we choose here. 5 components is
1334 what we are really hoping for here, as 5 components with 4
1335 data components on RAID 5 means 32 blocks (16K) per data
1336 component, or 64K per stripe */
1337 cfg.sectPerSU = 32;
1338 } else {
1339 /* 9 components here is optimal for 16 blocks (8K) per data
1340 component */
1341 cfg.sectPerSU = 16;
1342 }
1343 } else
1344 usage();
1345
1346 cfg.SUsPerPU = 1;
1347 cfg.SUsPerRU = 1;
1348 cfg.parityConfig = '0' + level;
1349 strlcpy(cfg.diskQueueType, "fifo", sizeof(cfg.diskQueueType));
1350 cfg.maxOutstandingDiskReqs = 1;
1351 cfg.force = 1;
1352
1353 /* configure... */
1354
1355 generic = &cfg;
1356 do_ioctl(fd, RAIDFRAME_CONFIGURE, &generic, "RAIDFRAME_CONFIGURE");
1357
1358 if (level == 1 || level == 5)
1359 do_ioctl(fd, RAIDFRAME_REWRITEPARITY, NULL,
1360 "RAIDFRAME_REWRITEPARITY");
1361 }
1362
1363
1364 static void
1365 usage(void)
1366 {
1367 const char *progname = getprogname();
1368
1369 fprintf(stderr,
1370 "usage: %s dev create [0 | 1 | mirror | 5] component component ...\n",
1371 progname);
1372 fprintf(stderr, " %s [-v] -A [yes | no | softroot | hardroot] dev\n",
1373 progname);
1374 fprintf(stderr, " %s [-v] -a component dev\n", progname);
1375 fprintf(stderr, " %s [-v] -B dev\n", progname);
1376 fprintf(stderr, " %s [-v] -C config_file dev\n", progname);
1377 fprintf(stderr, " %s [-v] -c config_file dev\n", progname);
1378 fprintf(stderr, " %s [-v] -F component dev\n", progname);
1379 fprintf(stderr, " %s [-v] -f component dev\n", progname);
1380 fprintf(stderr, " %s [-v] -G dev\n", progname);
1381 fprintf(stderr, " %s [-v] -g component dev\n", progname);
1382 fprintf(stderr, " %s [-v] -I serial_number dev\n", progname);
1383 fprintf(stderr, " %s [-v] -i dev\n", progname);
1384 fprintf(stderr, " %s [-v] -M [yes | no | set params] dev\n",
1385 progname);
1386 fprintf(stderr, " %s [-v] -m dev\n", progname);
1387 fprintf(stderr, " %s [-v] -P dev\n", progname);
1388 fprintf(stderr, " %s [-v] -p dev\n", progname);
1389 fprintf(stderr, " %s [-v] -R component dev\n", progname);
1390 fprintf(stderr, " %s [-v] -r component dev\n", progname);
1391 fprintf(stderr, " %s [-v] -S dev\n", progname);
1392 fprintf(stderr, " %s [-v] -s dev\n", progname);
1393 fprintf(stderr, " %s [-v] -t config_file\n", progname);
1394 fprintf(stderr, " %s [-v] -U unit dev\n", progname);
1395 fprintf(stderr, " %s [-v] -u dev\n", progname);
1396 exit(1);
1397 /* NOTREACHED */
1398 }
1399
1400 static unsigned int
1401 xstrtouint(const char *str)
1402 {
1403 int e;
1404 unsigned int num = (unsigned int)strtou(str, NULL, 10, 0, INT_MAX, &e);
1405 if (e)
1406 errc(EXIT_FAILURE, e, "Bad number `%s'", str);
1407 return num;
1408 }
1409