1/*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2000-2004 Poul-Henning Kamp <phk@FreeBSD.org> 5 * Copyright (c) 2012 The FreeBSD Foundation 6 * All rights reserved. 7 * 8 * Portions of this software were developed by Edward Tomasz Napierala 9 * under sponsorship from the FreeBSD Foundation. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33#include <sys/param.h> 34#include <sys/devicestat.h> 35#include <sys/ioctl.h> 36#include <sys/linker.h> 37#include <sys/mdioctl.h> 38#include <sys/module.h> 39#include <sys/resource.h> 40#include <sys/stat.h> 41 42#include <assert.h> 43#include <devstat.h> 44#include <err.h> 45#include <errno.h> 46#include <fcntl.h> 47#include <inttypes.h> 48#include <libgeom.h> 49#include <libutil.h> 50#include <paths.h> 51#include <stdarg.h> 52#include <stdio.h> 53#include <stdlib.h> 54#include <string.h> 55#include <unistd.h> 56 57static struct md_ioctl mdio; 58static enum {UNSET, ATTACH, DETACH, RESIZE, LIST} action = UNSET; 59static int md_fd, nflag; 60 61static void usage(void) __dead2; 62static void md_set_file(const char *); 63static int md_find(const char *, const char *); 64static int md_query(const char *, const int, const char *); 65static int md_list(const char *, int, const char *); 66static char *geom_config_get(struct gconf *g, const char *name); 67static void md_prthumanval(char *length); 68static void print_options(const char *s, const char *); 69 70#define OPT_VERBOSE 0x01 71#define OPT_UNIT 0x02 72#define OPT_DONE 0x04 73#define OPT_LIST 0x10 74 75#define CLASS_NAME_MD "MD" 76 77static void 78usage(void) 79{ 80 81 fprintf(stderr, 82"usage: mdconfig -a -t type [-n] [-o [no]option] ... [-f file]\n" 83" [-s size] [-S sectorsize] [-u unit] [-L label]\n" 84" [-x sectors/track] [-y heads/cylinder]\n" 85" mdconfig -d -u unit [-o [no]force]\n" 86" mdconfig -r -u unit -s size [-o [no]force]\n" 87" mdconfig -l [-v] [-n] [-f file] [-u unit]\n" 88" mdconfig file\n"); 89 fprintf(stderr, "\t\ttype = {malloc, vnode, swap}\n"); 90 fprintf(stderr, "\t\toption = {async, cache, cluster, compress,\n"); 91 fprintf(stderr, "\t\t force, mustdealloc, readonly, ro,\n"); 92 fprintf(stderr, "\t\t reserve, verify}\n"); 93 fprintf(stderr, "\t\tsize = %%d (512 byte blocks), %%db (B),\n"); 94 fprintf(stderr, "\t\t %%dk (kB), %%dm (MB), %%dg (GB),\n"); 95 fprintf(stderr, "\t\t %%dt (TB), or %%dp (PB)\n"); 96 exit(1); 97} 98 99int 100main(int argc, char **argv) 101{ 102 int ch, i, vflag; 103 char *p; 104 char *fflag = NULL, *sflag = NULL, *tflag = NULL, *uflag = NULL; 105 106 bzero(&mdio, sizeof(mdio)); 107 mdio.md_file = malloc(PATH_MAX); 108 mdio.md_label = malloc(PATH_MAX); 109 if (mdio.md_file == NULL || mdio.md_label == NULL) 110 err(1, "could not allocate memory"); 111 vflag = 0; 112 bzero(mdio.md_file, PATH_MAX); 113 bzero(mdio.md_label, PATH_MAX); 114 115 if (argc == 1) 116 usage(); 117 118 while ((ch = getopt(argc, argv, "ab:df:lno:rs:S:t:u:vx:y:L:")) != -1) { 119 switch (ch) { 120 case 'a': 121 if (action != UNSET && action != ATTACH) 122 errx(1, "-a is mutually exclusive " 123 "with -d, -r, and -l"); 124 action = ATTACH; 125 break; 126 case 'd': 127 if (action != UNSET && action != DETACH) 128 errx(1, "-d is mutually exclusive " 129 "with -a, -r, and -l"); 130 action = DETACH; 131 mdio.md_options |= MD_AUTOUNIT; 132 break; 133 case 'r': 134 if (action != UNSET && action != RESIZE) 135 errx(1, "-r is mutually exclusive " 136 "with -a, -d, and -l"); 137 action = RESIZE; 138 mdio.md_options |= MD_AUTOUNIT; 139 break; 140 case 'l': 141 if (action != UNSET && action != LIST) 142 errx(1, "-l is mutually exclusive " 143 "with -a, -r, and -d"); 144 action = LIST; 145 mdio.md_options |= MD_AUTOUNIT; 146 break; 147 case 'n': 148 nflag = 1; 149 break; 150 case 't': 151 if (tflag != NULL) 152 errx(1, "-t can be passed only once"); 153 tflag = optarg; 154 if (!strcmp(optarg, "malloc")) { 155 mdio.md_type = MD_MALLOC; 156 mdio.md_options |= MD_AUTOUNIT | MD_COMPRESS; 157 } else if (!strcmp(optarg, "vnode")) { 158 mdio.md_type = MD_VNODE; 159 mdio.md_options |= MD_CLUSTER | MD_AUTOUNIT | MD_COMPRESS; 160 } else if (!strcmp(optarg, "swap")) { 161 mdio.md_type = MD_SWAP; 162 mdio.md_options |= MD_CLUSTER | MD_AUTOUNIT | MD_COMPRESS; 163 } else if (!strcmp(optarg, "null")) { 164 mdio.md_type = MD_NULL; 165 mdio.md_options |= MD_CLUSTER | MD_AUTOUNIT | MD_COMPRESS; 166 } else 167 errx(1, "unknown type: %s", optarg); 168 break; 169 case 'f': 170 if (fflag != NULL) 171 errx(1, "-f can be passed only once"); 172 fflag = realpath(optarg, NULL); 173 if (fflag == NULL) 174 err(1, "realpath"); 175 break; 176 case 'o': 177 if (!strcmp(optarg, "async")) 178 mdio.md_options |= MD_ASYNC; 179 else if (!strcmp(optarg, "noasync")) 180 mdio.md_options &= ~MD_ASYNC; 181 else if (!strcmp(optarg, "cache")) 182 mdio.md_options |= MD_CACHE; 183 else if (!strcmp(optarg, "nocache")) 184 mdio.md_options &= ~MD_CACHE; 185 else if (!strcmp(optarg, "cluster")) 186 mdio.md_options |= MD_CLUSTER; 187 else if (!strcmp(optarg, "nocluster")) 188 mdio.md_options &= ~MD_CLUSTER; 189 else if (!strcmp(optarg, "compress")) 190 mdio.md_options |= MD_COMPRESS; 191 else if (!strcmp(optarg, "nocompress")) 192 mdio.md_options &= ~MD_COMPRESS; 193 else if (!strcmp(optarg, "force")) 194 mdio.md_options |= MD_FORCE; 195 else if (!strcmp(optarg, "noforce")) 196 mdio.md_options &= ~MD_FORCE; 197 else if (!strcmp(optarg, "mustdealloc")) 198 mdio.md_options |= MD_MUSTDEALLOC; 199 else if (!strcmp(optarg, "nomustdealloc")) 200 mdio.md_options &= ~MD_MUSTDEALLOC; 201 else if (!strcmp(optarg, "readonly")) 202 mdio.md_options |= MD_READONLY; 203 else if (!strcmp(optarg, "noreadonly")) 204 mdio.md_options &= ~MD_READONLY; 205 else if (!strcmp(optarg, "ro")) 206 mdio.md_options |= MD_READONLY; 207 else if (!strcmp(optarg, "noro")) 208 mdio.md_options &= ~MD_READONLY; 209 else if (!strcmp(optarg, "reserve")) 210 mdio.md_options |= MD_RESERVE; 211 else if (!strcmp(optarg, "noreserve")) 212 mdio.md_options &= ~MD_RESERVE; 213 else if (!strcmp(optarg, "verify")) 214 mdio.md_options |= MD_VERIFY; 215 else if (!strcmp(optarg, "noverify")) 216 mdio.md_options &= ~MD_VERIFY; 217 else 218 errx(1, "unknown option: %s", optarg); 219 break; 220 case 'S': 221 mdio.md_sectorsize = strtoul(optarg, &p, 0); 222 break; 223 case 's': 224 if (sflag != NULL) 225 errx(1, "-s can be passed only once"); 226 sflag = optarg; 227 mdio.md_mediasize = (off_t)strtoumax(optarg, &p, 0); 228 if (p == NULL || *p == '\0') 229 mdio.md_mediasize *= DEV_BSIZE; 230 else if (*p == 'b' || *p == 'B') 231 ; /* do nothing */ 232 else if (*p == 'k' || *p == 'K') 233 mdio.md_mediasize <<= 10; 234 else if (*p == 'm' || *p == 'M') 235 mdio.md_mediasize <<= 20; 236 else if (*p == 'g' || *p == 'G') 237 mdio.md_mediasize <<= 30; 238 else if (*p == 't' || *p == 'T') { 239 mdio.md_mediasize <<= 30; 240 mdio.md_mediasize <<= 10; 241 } else if (*p == 'p' || *p == 'P') { 242 mdio.md_mediasize <<= 30; 243 mdio.md_mediasize <<= 20; 244 } else 245 errx(1, "unknown suffix on -s argument"); 246 break; 247 case 'u': 248 if (!strncmp(optarg, _PATH_DEV, sizeof(_PATH_DEV) - 1)) 249 optarg += sizeof(_PATH_DEV) - 1; 250 if (!strncmp(optarg, MD_NAME, sizeof(MD_NAME) - 1)) 251 optarg += sizeof(MD_NAME) - 1; 252 uflag = optarg; 253 break; 254 case 'v': 255 vflag = OPT_VERBOSE; 256 break; 257 case 'x': 258 mdio.md_fwsectors = strtoul(optarg, &p, 0); 259 break; 260 case 'y': 261 mdio.md_fwheads = strtoul(optarg, &p, 0); 262 break; 263 case 'L': 264 strlcpy(mdio.md_label, optarg, PATH_MAX); 265 break; 266 default: 267 usage(); 268 } 269 } 270 271 argc -= optind; 272 argv += optind; 273 274 if (action == UNSET) 275 action = ATTACH; 276 277 if (action == ATTACH) { 278 if (tflag == NULL) { 279 /* 280 * Try to infer the type based on other arguments. 281 */ 282 if (fflag != NULL || argc > 0) { 283 /* Imply ``-t vnode'' */ 284 mdio.md_type = MD_VNODE; 285 mdio.md_options |= MD_CLUSTER | MD_AUTOUNIT | 286 MD_COMPRESS; 287 } else if (sflag != NULL) { 288 /* Imply ``-t swap'' */ 289 mdio.md_type = MD_SWAP; 290 mdio.md_options |= MD_CLUSTER | MD_AUTOUNIT | 291 MD_COMPRESS; 292 } else 293 errx(1, "unable to determine type"); 294 } 295 296 if ((fflag != NULL || argc > 0) && mdio.md_type != MD_VNODE) 297 errx(1, "only -t vnode can be used with file name"); 298 299 if (mdio.md_type == MD_VNODE) { 300 if (fflag != NULL) { 301 if (argc != 0) 302 usage(); 303 md_set_file(fflag); 304 } else { 305 if (argc != 1) 306 usage(); 307 md_set_file(*argv); 308 } 309 310 if ((mdio.md_options & MD_READONLY) == 0 && 311 access(mdio.md_file, W_OK) < 0 && 312 (errno == EACCES || errno == EPERM || 313 errno == EROFS)) { 314 warnx("WARNING: opening backing store: %s " 315 "readonly", mdio.md_file); 316 mdio.md_options |= MD_READONLY; 317 } 318 } 319 320 if ((mdio.md_type == MD_MALLOC || mdio.md_type == MD_SWAP || 321 mdio.md_type == MD_NULL) && sflag == NULL) 322 errx(1, "must specify -s for -t malloc, -t swap, " 323 "or -t null"); 324 if (mdio.md_type == MD_VNODE && mdio.md_file[0] == '\0') 325 errx(1, "must specify -f for -t vnode"); 326 } else { 327 if (mdio.md_sectorsize != 0) 328 errx(1, "-S can only be used with -a"); 329 if (action != RESIZE && sflag != NULL) 330 errx(1, "-s can only be used with -a and -r"); 331 if (mdio.md_fwsectors != 0) 332 errx(1, "-x can only be used with -a"); 333 if (mdio.md_fwheads != 0) 334 errx(1, "-y can only be used with -a"); 335 if (fflag != NULL && action != LIST) 336 errx(1, "-f can only be used with -a and -l"); 337 if (tflag != NULL) 338 errx(1, "-t can only be used with -a"); 339 if (argc > 0) 340 errx(1, "file can only be used with -a"); 341 if ((action != DETACH && action != RESIZE) && 342 (mdio.md_options & ~MD_AUTOUNIT) != 0) 343 errx(1, "-o can only be used with -a, -d, and -r"); 344 if (action == DETACH && 345 (mdio.md_options & ~(MD_FORCE | MD_AUTOUNIT)) != 0) 346 errx(1, "only -o [no]force can be used with -d"); 347 if (action == RESIZE && 348 (mdio.md_options & ~(MD_FORCE | MD_RESERVE | MD_AUTOUNIT)) != 0) 349 errx(1, "only -o [no]force and -o [no]reserve can be used with -r"); 350 } 351 352 if (action == RESIZE && sflag == NULL) 353 errx(1, "must specify -s for -r"); 354 355 if (action != LIST && vflag == OPT_VERBOSE) 356 errx(1, "-v can only be used with -l"); 357 358 if (uflag != NULL) { 359 mdio.md_unit = strtoul(uflag, &p, 0); 360 if (mdio.md_unit == (unsigned)ULONG_MAX || *p != '\0') 361 errx(1, "bad unit: %s", uflag); 362 mdio.md_options &= ~MD_AUTOUNIT; 363 } 364 365 mdio.md_version = MDIOVERSION; 366 367 if (!kld_isloaded("g_md") && kld_load("geom_md") == -1) 368 err(1, "failed to load geom_md module"); 369 370 md_fd = open(_PATH_DEV MDCTL_NAME, O_RDWR, 0); 371 if (md_fd < 0) 372 err(1, "open(%s%s)", _PATH_DEV, MDCTL_NAME); 373 374 if (action == ATTACH) { 375 i = ioctl(md_fd, MDIOCATTACH, &mdio); 376 if (i < 0) 377 err(1, "ioctl(%s%s)", _PATH_DEV, MDCTL_NAME); 378 if (mdio.md_options & MD_AUTOUNIT) 379 printf("%s%d\n", nflag ? "" : MD_NAME, mdio.md_unit); 380 } else if (action == DETACH) { 381 if (mdio.md_options & MD_AUTOUNIT) 382 errx(1, "-d requires -u"); 383 i = ioctl(md_fd, MDIOCDETACH, &mdio); 384 if (i < 0) 385 err(1, "ioctl(%s%s)", _PATH_DEV, MDCTL_NAME); 386 } else if (action == RESIZE) { 387 if (mdio.md_options & MD_AUTOUNIT) 388 errx(1, "-r requires -u"); 389 i = ioctl(md_fd, MDIOCRESIZE, &mdio); 390 if (i < 0) 391 err(1, "ioctl(%s%s)", _PATH_DEV, MDCTL_NAME); 392 } else if (action == LIST) { 393 if (mdio.md_options & MD_AUTOUNIT) { 394 /* 395 * Listing all devices. This is why we pass NULL 396 * together with OPT_LIST. 397 */ 398 return (md_list(NULL, OPT_LIST | vflag, fflag)); 399 } else 400 return (md_query(uflag, vflag, fflag)); 401 } else 402 usage(); 403 close(md_fd); 404 return (0); 405} 406 407static void 408print_options(const char *dev, const char *file) 409{ 410 struct md_ioctl mdiox; 411 int unit; 412 char sep = '\0'; 413 414 if (sscanf(dev, "md%d", &unit) != 1) 415 err(1, "invalid device: %s", dev); 416 417 memset(&mdiox, 0, sizeof(mdiox)); 418 mdiox.md_version = MDIOVERSION; 419 mdiox.md_unit = unit; 420 mdiox.md_file = file[0] == '-' ? NULL : strdup(file); 421 422 if (ioctl(md_fd, MDIOCQUERY, &mdiox) < 0) 423 err(1, "ioctl(%s%s)", _PATH_DEV, MDCTL_NAME); 424 425 if (mdiox.md_file != NULL) 426 free(mdiox.md_file); 427 428 printf("\t"); 429 if (mdiox.md_options & MD_ASYNC) { 430 printf("%casync", sep); 431 sep = ','; 432 } 433 if (mdiox.md_options & MD_CACHE) { 434 printf("%ccache", sep); 435 sep = ','; 436 } 437 if (mdiox.md_options & MD_CLUSTER) { 438 printf("%ccluster", sep); 439 sep = ','; 440 } 441 if (mdiox.md_options & MD_COMPRESS) { 442 printf("%ccompress", sep); 443 sep = ','; 444 } 445 if (mdiox.md_options & MD_FORCE) { 446 printf("%cforce", sep); 447 sep = ','; 448 } 449 if (mdiox.md_options & MD_READONLY) { 450 printf("%creadonly", sep); 451 sep = ','; 452 } 453 if (mdiox.md_options & MD_RESERVE) { 454 printf("%creserve", sep); 455 sep = ','; 456 } 457 if (mdiox.md_options & MD_VERIFY) { 458 printf("%cverify", sep); 459 sep = ','; 460 } 461 if (mdiox.md_options & MD_MUSTDEALLOC) { 462 printf("%cmustdealloc", sep); 463 sep = ','; 464 } 465} 466 467static void 468md_set_file(const char *fn) 469{ 470 struct stat sb; 471 int fd; 472 473 if (realpath(fn, mdio.md_file) == NULL) 474 err(1, "could not find full path for %s", fn); 475 fd = open(mdio.md_file, O_RDONLY); 476 if (fd < 0) 477 err(1, "could not open %s", fn); 478 if (fstat(fd, &sb) == -1) 479 err(1, "could not stat %s", fn); 480 if (!S_ISREG(sb.st_mode)) 481 errx(1, "%s is not a regular file", fn); 482 if (mdio.md_mediasize == 0) 483 mdio.md_mediasize = sb.st_size; 484 close(fd); 485} 486 487/* 488 * Lists md(4) disks. Is used also as a query routine, since it handles XML 489 * interface. 'units' can be NULL for listing memory disks. It might be 490 * comma-separated string containing md(4) disk names. 'opt' distinguished 491 * between list and query mode. 492 */ 493static int 494md_list(const char *units, int opt, const char *fflag) 495{ 496 struct gmesh gm; 497 struct gprovider *pp; 498 struct gconf *gc; 499 struct gident *gid; 500 struct devstat *gsp; 501 struct ggeom *gg; 502 struct gclass *gcl; 503 void *sq; 504 int retcode, ffound, ufound; 505 char *length; 506 const char *type, *file, *label; 507 508 type = file = length = NULL; 509 510 retcode = geom_gettree(&gm); 511 if (retcode != 0) 512 return (-1); 513 retcode = geom_stats_open(); 514 if (retcode != 0) 515 return (-1); 516 sq = geom_stats_snapshot_get(); 517 if (sq == NULL) 518 return (-1); 519 520 ffound = ufound = 0; 521 while ((gsp = geom_stats_snapshot_next(sq)) != NULL) { 522 gid = geom_lookupid(&gm, gsp->id); 523 if (gid == NULL) 524 continue; 525 if (gid->lg_what == ISPROVIDER) { 526 pp = gid->lg_ptr; 527 gg = pp->lg_geom; 528 gcl = gg->lg_class; 529 if (strcmp(gcl->lg_name, CLASS_NAME_MD) != 0) 530 continue; 531 if ((opt & OPT_UNIT) && (units != NULL)) { 532 retcode = md_find(units, pp->lg_name); 533 if (retcode != 1) 534 continue; 535 else 536 ufound = 1; 537 } 538 gc = &pp->lg_config; 539 type = geom_config_get(gc, "type"); 540 if (type != NULL && (strcmp(type, "vnode") == 0 || 541 strcmp(type, "preload") == 0)) { 542 file = geom_config_get(gc, "file"); 543 if (fflag != NULL && 544 strcmp(fflag, file) != 0) 545 continue; 546 else 547 ffound = 1; 548 } else if (fflag != NULL) 549 continue; 550 if (nflag && strncmp(pp->lg_name, MD_NAME, 2) == 0) 551 printf("%s", pp->lg_name + 2); 552 else 553 printf("%s", pp->lg_name); 554 555 if (opt & OPT_VERBOSE || 556 ((opt & OPT_UNIT) && fflag == NULL)) { 557 length = geom_config_get(gc, "length"); 558 printf("\t%s\t", type); 559 if (length != NULL) 560 md_prthumanval(length); 561 if (file == NULL) 562 file = "-"; 563 printf("\t%s", file); 564 label = geom_config_get(gc, "label"); 565 if (label == NULL) 566 label = "-"; 567 printf("\t%s", label); 568 print_options(pp->lg_name, file); 569 file = label = NULL; 570 } 571 opt |= OPT_DONE; 572 if ((opt & OPT_LIST) && !(opt & OPT_VERBOSE)) 573 printf(" "); 574 else 575 printf("\n"); 576 } 577 } 578 if ((opt & OPT_LIST) && (opt & OPT_DONE) && !(opt & OPT_VERBOSE)) 579 printf("\n"); 580 /* XXX: Check if it's enough to clean everything. */ 581 geom_stats_snapshot_free(sq); 582 if (opt & OPT_UNIT) { 583 if (((fflag == NULL) && ufound) || 584 ((fflag == NULL) && (units != NULL) && ufound) || 585 ((fflag != NULL) && ffound) || 586 ((fflag != NULL) && (units != NULL) && ufound && ffound)) 587 return (0); 588 } else if (opt & OPT_LIST) { 589 if ((fflag == NULL) || 590 ((fflag != NULL) && ffound)) 591 return (0); 592 } 593 return (-1); 594} 595 596/* 597 * Returns value of 'name' from gconfig structure. 598 */ 599static char * 600geom_config_get(struct gconf *g, const char *name) 601{ 602 struct gconfig *gce; 603 604 LIST_FOREACH(gce, g, lg_config) { 605 if (strcmp(gce->lg_name, name) == 0) 606 return (gce->lg_val); 607 } 608 return (NULL); 609} 610 611/* 612 * List is comma separated list of MD disks. name is a 613 * device name we look for. Returns 1 if found and 0 614 * otherwise. 615 */ 616static int 617md_find(const char *list, const char *name) 618{ 619 int ret; 620 char num[PATH_MAX]; 621 char *ptr, *p, *u; 622 623 ret = 0; 624 ptr = strdup(list); 625 if (ptr == NULL) 626 return (-1); 627 for (p = ptr; (u = strsep(&p, ",")) != NULL;) { 628 if (strncmp(u, _PATH_DEV, sizeof(_PATH_DEV) - 1) == 0) 629 u += sizeof(_PATH_DEV) - 1; 630 /* Just in case user specified number instead of full name */ 631 snprintf(num, sizeof(num), "%s%s", MD_NAME, u); 632 if (strcmp(u, name) == 0 || strcmp(num, name) == 0) { 633 ret = 1; 634 break; 635 } 636 } 637 free(ptr); 638 return (ret); 639} 640 641static void 642md_prthumanval(char *length) 643{ 644 char buf[6]; 645 uintmax_t bytes; 646 char *endptr; 647 648 errno = 0; 649 bytes = strtoumax(length, &endptr, 10); 650 if (errno != 0 || *endptr != '\0' || bytes > INT64_MAX) 651 return; 652 humanize_number(buf, sizeof(buf), (int64_t)bytes, "", 653 HN_AUTOSCALE, HN_B | HN_NOSPACE | HN_DECIMAL); 654 (void)printf("%6s", buf); 655} 656 657static int 658md_query(const char *name, const int opt, const char *fflag) 659{ 660 661 return (md_list(name, opt | OPT_UNIT, fflag)); 662} 663