1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 2003 Poul-Henning Kamp 5 * Copyright (c) 2015 Spectra Logic Corporation 6 * Copyright (c) 2017 Alexander Motin <mav@FreeBSD.org> 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. The names of the authors may not be used to endorse or promote 18 * products derived from this software without specific prior written 19 * permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * $FreeBSD$ 34 */ 35 36 #include <stdbool.h> 37 #include <stdio.h> 38 #include <stdint.h> 39 #include <stdlib.h> 40 #include <string.h> 41 #include <strings.h> 42 #include <unistd.h> 43 #include <errno.h> 44 #include <fcntl.h> 45 #include <libutil.h> 46 #include <paths.h> 47 #include <err.h> 48 #include <geom/geom_disk.h> 49 #include <sysexits.h> 50 #include <sys/aio.h> 51 #include <sys/disk.h> 52 #include <sys/param.h> 53 #include <sys/stat.h> 54 #include <sys/time.h> 55 56 #define NAIO 128 57 #define MAXTX (8*1024*1024) 58 #define MEGATX (1024*1024) 59 60 static void 61 usage(void) 62 { 63 fprintf(stderr, "usage: diskinfo [-cipsStvw] disk ...\n"); 64 exit (1); 65 } 66 67 static int opt_c, opt_i, opt_p, opt_s, opt_S, opt_t, opt_v, opt_w; 68 69 static bool candelete(int fd); 70 static void speeddisk(int fd, off_t mediasize, u_int sectorsize); 71 static void commandtime(int fd, off_t mediasize, u_int sectorsize); 72 static void iopsbench(int fd, off_t mediasize, u_int sectorsize); 73 static void rotationrate(int fd, char *buf, size_t buflen); 74 static void slogbench(int fd, int isreg, off_t mediasize, u_int sectorsize); 75 static int zonecheck(int fd, uint32_t *zone_mode, char *zone_str, 76 size_t zone_str_len); 77 78 static uint8_t *buf; 79 80 int 81 main(int argc, char **argv) 82 { 83 struct stat sb; 84 int i, ch, fd, error, exitval = 0; 85 char tstr[BUFSIZ], ident[DISK_IDENT_SIZE], physpath[MAXPATHLEN]; 86 char zone_desc[64]; 87 char rrate[64]; 88 struct diocgattr_arg arg; 89 off_t mediasize, stripesize, stripeoffset; 90 u_int sectorsize, fwsectors, fwheads, zoned = 0, isreg; 91 uint32_t zone_mode; 92 93 while ((ch = getopt(argc, argv, "cipsStvw")) != -1) { 94 switch (ch) { 95 case 'c': 96 opt_c = 1; 97 opt_v = 1; 98 break; 99 case 'i': 100 opt_i = 1; 101 opt_v = 1; 102 break; 103 case 'p': 104 opt_p = 1; 105 break; 106 case 's': 107 opt_s = 1; 108 break; 109 case 'S': 110 opt_S = 1; 111 opt_v = 1; 112 break; 113 case 't': 114 opt_t = 1; 115 opt_v = 1; 116 break; 117 case 'v': 118 opt_v = 1; 119 break; 120 case 'w': 121 opt_w = 1; 122 break; 123 default: 124 usage(); 125 } 126 } 127 argc -= optind; 128 argv += optind; 129 130 if (argc < 1) 131 usage(); 132 133 if ((opt_p && opt_s) || ((opt_p || opt_s) && (opt_c || opt_i || opt_t || opt_v))) { 134 warnx("-p or -s cannot be used with other options"); 135 usage(); 136 } 137 138 if (opt_S && !opt_w) { 139 warnx("-S require also -w"); 140 usage(); 141 } 142 143 if (posix_memalign((void **)&buf, PAGE_SIZE, MAXTX)) 144 errx(1, "Can't allocate memory buffer"); 145 for (i = 0; i < argc; i++) { 146 fd = open(argv[i], (opt_w ? O_RDWR : O_RDONLY) | O_DIRECT); 147 if (fd < 0 && errno == ENOENT && *argv[i] != '/') { 148 snprintf(tstr, sizeof(tstr), "%s%s", _PATH_DEV, argv[i]); 149 fd = open(tstr, O_RDONLY); 150 } 151 if (fd < 0) { 152 warn("%s", argv[i]); 153 exit(1); 154 } 155 error = fstat(fd, &sb); 156 if (error != 0) { 157 warn("cannot stat %s", argv[i]); 158 exitval = 1; 159 goto out; 160 } 161 isreg = S_ISREG(sb.st_mode); 162 if (isreg) { 163 mediasize = sb.st_size; 164 sectorsize = S_BLKSIZE; 165 fwsectors = 0; 166 fwheads = 0; 167 stripesize = sb.st_blksize; 168 stripeoffset = 0; 169 if (opt_p || opt_s) { 170 warnx("-p and -s only operate on physical devices: %s", argv[i]); 171 goto out; 172 } 173 } else { 174 if (opt_p) { 175 if (ioctl(fd, DIOCGPHYSPATH, physpath) == 0) { 176 printf("%s\n", physpath); 177 } else { 178 warnx("Failed to determine physpath for: %s", argv[i]); 179 } 180 goto out; 181 } 182 if (opt_s) { 183 if (ioctl(fd, DIOCGIDENT, ident) == 0) { 184 printf("%s\n", ident); 185 } else { 186 warnx("Failed to determine serial number for: %s", argv[i]); 187 } 188 goto out; 189 } 190 error = ioctl(fd, DIOCGMEDIASIZE, &mediasize); 191 if (error) { 192 warnx("%s: ioctl(DIOCGMEDIASIZE) failed, probably not a disk.", argv[i]); 193 exitval = 1; 194 goto out; 195 } 196 error = ioctl(fd, DIOCGSECTORSIZE, §orsize); 197 if (error) { 198 warnx("%s: ioctl(DIOCGSECTORSIZE) failed, probably not a disk.", argv[i]); 199 exitval = 1; 200 goto out; 201 } 202 error = ioctl(fd, DIOCGFWSECTORS, &fwsectors); 203 if (error) 204 fwsectors = 0; 205 error = ioctl(fd, DIOCGFWHEADS, &fwheads); 206 if (error) 207 fwheads = 0; 208 error = ioctl(fd, DIOCGSTRIPESIZE, &stripesize); 209 if (error) 210 stripesize = 0; 211 error = ioctl(fd, DIOCGSTRIPEOFFSET, &stripeoffset); 212 if (error) 213 stripeoffset = 0; 214 error = zonecheck(fd, &zone_mode, zone_desc, sizeof(zone_desc)); 215 if (error == 0) 216 zoned = 1; 217 } 218 if (!opt_v) { 219 printf("%s", argv[i]); 220 printf("\t%u", sectorsize); 221 printf("\t%jd", (intmax_t)mediasize); 222 printf("\t%jd", (intmax_t)mediasize/sectorsize); 223 printf("\t%jd", (intmax_t)stripesize); 224 printf("\t%jd", (intmax_t)stripeoffset); 225 if (fwsectors != 0 && fwheads != 0) { 226 printf("\t%jd", (intmax_t)mediasize / 227 (fwsectors * fwheads * sectorsize)); 228 printf("\t%u", fwheads); 229 printf("\t%u", fwsectors); 230 } 231 } else { 232 humanize_number(tstr, 5, (int64_t)mediasize, "", 233 HN_AUTOSCALE, HN_B | HN_NOSPACE | HN_DECIMAL); 234 printf("%s\n", argv[i]); 235 printf("\t%-12u\t# sectorsize\n", sectorsize); 236 printf("\t%-12jd\t# mediasize in bytes (%s)\n", 237 (intmax_t)mediasize, tstr); 238 printf("\t%-12jd\t# mediasize in sectors\n", 239 (intmax_t)mediasize/sectorsize); 240 printf("\t%-12jd\t# stripesize\n", stripesize); 241 printf("\t%-12jd\t# stripeoffset\n", stripeoffset); 242 if (fwsectors != 0 && fwheads != 0) { 243 printf("\t%-12jd\t# Cylinders according to firmware.\n", (intmax_t)mediasize / 244 (fwsectors * fwheads * sectorsize)); 245 printf("\t%-12u\t# Heads according to firmware.\n", fwheads); 246 printf("\t%-12u\t# Sectors according to firmware.\n", fwsectors); 247 } 248 strlcpy(arg.name, "GEOM::descr", sizeof(arg.name)); 249 arg.len = sizeof(arg.value.str); 250 if (ioctl(fd, DIOCGATTR, &arg) == 0) 251 printf("\t%-12s\t# Disk descr.\n", arg.value.str); 252 if (ioctl(fd, DIOCGIDENT, ident) == 0) 253 printf("\t%-12s\t# Disk ident.\n", ident); 254 strlcpy(arg.name, "GEOM::attachment", sizeof(arg.name)); 255 arg.len = sizeof(arg.value.str); 256 if (ioctl(fd, DIOCGATTR, &arg) == 0) 257 printf("\t%-12s\t# Attachment\n", arg.value.str); 258 if (ioctl(fd, DIOCGPHYSPATH, physpath) == 0) 259 printf("\t%-12s\t# Physical path\n", physpath); 260 printf("\t%-12s\t# TRIM/UNMAP support\n", 261 candelete(fd) ? "Yes" : "No"); 262 rotationrate(fd, rrate, sizeof(rrate)); 263 printf("\t%-12s\t# Rotation rate in RPM\n", rrate); 264 if (zoned != 0) 265 printf("\t%-12s\t# Zone Mode\n", zone_desc); 266 } 267 printf("\n"); 268 if (opt_c) 269 commandtime(fd, mediasize, sectorsize); 270 if (opt_t) 271 speeddisk(fd, mediasize, sectorsize); 272 if (opt_i) 273 iopsbench(fd, mediasize, sectorsize); 274 if (opt_S) 275 slogbench(fd, isreg, mediasize, sectorsize); 276 out: 277 close(fd); 278 } 279 free(buf); 280 exit (exitval); 281 } 282 283 static bool 284 candelete(int fd) 285 { 286 struct diocgattr_arg arg; 287 288 strlcpy(arg.name, "GEOM::candelete", sizeof(arg.name)); 289 arg.len = sizeof(arg.value.i); 290 if (ioctl(fd, DIOCGATTR, &arg) == 0) 291 return (arg.value.i != 0); 292 else 293 return (false); 294 } 295 296 static void 297 rotationrate(int fd, char *rate, size_t buflen) 298 { 299 struct diocgattr_arg arg; 300 int ret; 301 302 strlcpy(arg.name, "GEOM::rotation_rate", sizeof(arg.name)); 303 arg.len = sizeof(arg.value.u16); 304 305 ret = ioctl(fd, DIOCGATTR, &arg); 306 if (ret < 0 || arg.value.u16 == DISK_RR_UNKNOWN) 307 snprintf(rate, buflen, "Unknown"); 308 else if (arg.value.u16 == DISK_RR_NON_ROTATING) 309 snprintf(rate, buflen, "%d", 0); 310 else if (arg.value.u16 >= DISK_RR_MIN && arg.value.u16 <= DISK_RR_MAX) 311 snprintf(rate, buflen, "%d", arg.value.u16); 312 else 313 snprintf(rate, buflen, "Invalid"); 314 } 315 316 static void 317 rdsect(int fd, off_t blockno, u_int sectorsize) 318 { 319 int error; 320 321 if (lseek(fd, (off_t)blockno * sectorsize, SEEK_SET) == -1) 322 err(1, "lseek"); 323 error = read(fd, buf, sectorsize); 324 if (error == -1) 325 err(1, "read"); 326 if (error != (int)sectorsize) 327 errx(1, "disk too small for test."); 328 } 329 330 static void 331 rdmega(int fd) 332 { 333 int error; 334 335 error = read(fd, buf, MEGATX); 336 if (error == -1) 337 err(1, "read"); 338 if (error != MEGATX) 339 errx(1, "disk too small for test."); 340 } 341 342 static struct timeval tv1, tv2; 343 344 static void 345 T0(void) 346 { 347 348 fflush(stdout); 349 sync(); 350 sleep(1); 351 sync(); 352 sync(); 353 gettimeofday(&tv1, NULL); 354 } 355 356 static double 357 delta_t(void) 358 { 359 double dt; 360 361 gettimeofday(&tv2, NULL); 362 dt = (tv2.tv_usec - tv1.tv_usec) / 1e6; 363 dt += (tv2.tv_sec - tv1.tv_sec); 364 365 return (dt); 366 } 367 368 static void 369 TN(int count) 370 { 371 double dt; 372 373 dt = delta_t(); 374 printf("%5d iter in %10.6f sec = %8.3f msec\n", 375 count, dt, dt * 1000.0 / count); 376 } 377 378 static void 379 TR(double count) 380 { 381 double dt; 382 383 dt = delta_t(); 384 printf("%8.0f kbytes in %10.6f sec = %8.0f kbytes/sec\n", 385 count, dt, count / dt); 386 } 387 388 static void 389 TI(double count) 390 { 391 double dt; 392 393 dt = delta_t(); 394 printf("%8.0f ops in %10.6f sec = %8.0f IOPS\n", 395 count, dt, count / dt); 396 } 397 398 static void 399 TS(u_int size, int count) 400 { 401 double dt; 402 403 dt = delta_t(); 404 printf("%8.1f usec/IO = %8.1f Mbytes/s\n", 405 dt * 1000000.0 / count, (double)size * count / dt / (1024 * 1024)); 406 } 407 408 static void 409 speeddisk(int fd, off_t mediasize, u_int sectorsize) 410 { 411 int bulk, i; 412 off_t b0, b1, sectorcount, step; 413 414 /* 415 * Drives smaller than 1MB produce negative sector numbers, 416 * as do 2048 or fewer sectors. 417 */ 418 sectorcount = mediasize / sectorsize; 419 if (mediasize < 1024 * 1024 || sectorcount < 2048) 420 return; 421 422 423 step = 1ULL << (flsll(sectorcount / (4 * 200)) - 1); 424 if (step > 16384) 425 step = 16384; 426 bulk = mediasize / (1024 * 1024); 427 if (bulk > 100) 428 bulk = 100; 429 430 printf("Seek times:\n"); 431 printf("\tFull stroke:\t"); 432 b0 = 0; 433 b1 = sectorcount - step; 434 T0(); 435 for (i = 0; i < 125; i++) { 436 rdsect(fd, b0, sectorsize); 437 b0 += step; 438 rdsect(fd, b1, sectorsize); 439 b1 -= step; 440 } 441 TN(250); 442 443 printf("\tHalf stroke:\t"); 444 b0 = sectorcount / 4; 445 b1 = b0 + sectorcount / 2; 446 T0(); 447 for (i = 0; i < 125; i++) { 448 rdsect(fd, b0, sectorsize); 449 b0 += step; 450 rdsect(fd, b1, sectorsize); 451 b1 += step; 452 } 453 TN(250); 454 printf("\tQuarter stroke:\t"); 455 b0 = sectorcount / 4; 456 b1 = b0 + sectorcount / 4; 457 T0(); 458 for (i = 0; i < 250; i++) { 459 rdsect(fd, b0, sectorsize); 460 b0 += step; 461 rdsect(fd, b1, sectorsize); 462 b1 += step; 463 } 464 TN(500); 465 466 printf("\tShort forward:\t"); 467 b0 = sectorcount / 2; 468 T0(); 469 for (i = 0; i < 400; i++) { 470 rdsect(fd, b0, sectorsize); 471 b0 += step; 472 } 473 TN(400); 474 475 printf("\tShort backward:\t"); 476 b0 = sectorcount / 2; 477 T0(); 478 for (i = 0; i < 400; i++) { 479 rdsect(fd, b0, sectorsize); 480 b0 -= step; 481 } 482 TN(400); 483 484 printf("\tSeq outer:\t"); 485 b0 = 0; 486 T0(); 487 for (i = 0; i < 2048; i++) { 488 rdsect(fd, b0, sectorsize); 489 b0++; 490 } 491 TN(2048); 492 493 printf("\tSeq inner:\t"); 494 b0 = sectorcount - 2048; 495 T0(); 496 for (i = 0; i < 2048; i++) { 497 rdsect(fd, b0, sectorsize); 498 b0++; 499 } 500 TN(2048); 501 502 printf("\nTransfer rates:\n"); 503 printf("\toutside: "); 504 rdsect(fd, 0, sectorsize); 505 T0(); 506 for (i = 0; i < bulk; i++) { 507 rdmega(fd); 508 } 509 TR(bulk * 1024); 510 511 printf("\tmiddle: "); 512 b0 = sectorcount / 2 - bulk * (1024*1024 / sectorsize) / 2 - 1; 513 rdsect(fd, b0, sectorsize); 514 T0(); 515 for (i = 0; i < bulk; i++) { 516 rdmega(fd); 517 } 518 TR(bulk * 1024); 519 520 printf("\tinside: "); 521 b0 = sectorcount - bulk * (1024*1024 / sectorsize) - 1; 522 rdsect(fd, b0, sectorsize); 523 T0(); 524 for (i = 0; i < bulk; i++) { 525 rdmega(fd); 526 } 527 TR(bulk * 1024); 528 529 printf("\n"); 530 return; 531 } 532 533 static void 534 commandtime(int fd, off_t mediasize, u_int sectorsize) 535 { 536 double dtmega, dtsector; 537 int i; 538 539 printf("I/O command overhead:\n"); 540 i = mediasize; 541 rdsect(fd, 0, sectorsize); 542 T0(); 543 for (i = 0; i < 10; i++) 544 rdmega(fd); 545 dtmega = delta_t(); 546 547 printf("\ttime to read 10MB block %10.6f sec\t= %8.3f msec/sector\n", 548 dtmega, dtmega*100/2048); 549 550 rdsect(fd, 0, sectorsize); 551 T0(); 552 for (i = 0; i < 20480; i++) 553 rdsect(fd, 0, sectorsize); 554 dtsector = delta_t(); 555 556 printf("\ttime to read 20480 sectors %10.6f sec\t= %8.3f msec/sector\n", 557 dtsector, dtsector*100/2048); 558 printf("\tcalculated command overhead\t\t\t= %8.3f msec/sector\n", 559 (dtsector - dtmega)*100/2048); 560 561 printf("\n"); 562 return; 563 } 564 565 static void 566 iops(int fd, off_t mediasize, u_int sectorsize) 567 { 568 struct aiocb aios[NAIO], *aiop; 569 ssize_t ret; 570 off_t sectorcount; 571 int error, i, queued, completed; 572 573 sectorcount = mediasize / sectorsize; 574 575 for (i = 0; i < NAIO; i++) { 576 aiop = &(aios[i]); 577 bzero(aiop, sizeof(*aiop)); 578 aiop->aio_buf = malloc(sectorsize); 579 if (aiop->aio_buf == NULL) 580 err(1, "malloc"); 581 } 582 583 T0(); 584 for (i = 0; i < NAIO; i++) { 585 aiop = &(aios[i]); 586 587 aiop->aio_fildes = fd; 588 aiop->aio_offset = (random() % (sectorcount)) * sectorsize; 589 aiop->aio_nbytes = sectorsize; 590 591 error = aio_read(aiop); 592 if (error != 0) 593 err(1, "aio_read"); 594 } 595 596 queued = i; 597 completed = 0; 598 599 for (;;) { 600 ret = aio_waitcomplete(&aiop, NULL); 601 if (ret < 0) 602 err(1, "aio_waitcomplete"); 603 if (ret != (ssize_t)sectorsize) 604 errx(1, "short read"); 605 606 completed++; 607 608 if (delta_t() < 3.0) { 609 aiop->aio_fildes = fd; 610 aiop->aio_offset = (random() % (sectorcount)) * sectorsize; 611 aiop->aio_nbytes = sectorsize; 612 613 error = aio_read(aiop); 614 if (error != 0) 615 err(1, "aio_read"); 616 617 queued++; 618 } else if (completed == queued) { 619 break; 620 } 621 } 622 623 TI(completed); 624 625 return; 626 } 627 628 static void 629 iopsbench(int fd, off_t mediasize, u_int sectorsize) 630 { 631 printf("Asynchronous random reads:\n"); 632 633 printf("\tsectorsize: "); 634 iops(fd, mediasize, sectorsize); 635 636 if (sectorsize != 4096) { 637 printf("\t4 kbytes: "); 638 iops(fd, mediasize, 4096); 639 } 640 641 printf("\t32 kbytes: "); 642 iops(fd, mediasize, 32 * 1024); 643 644 printf("\t128 kbytes: "); 645 iops(fd, mediasize, 128 * 1024); 646 647 printf("\n"); 648 } 649 650 #define MAXIO (128*1024) 651 #define MAXIOS (MAXTX / MAXIO) 652 653 static void 654 parwrite(int fd, size_t size, off_t off) 655 { 656 struct aiocb aios[MAXIOS]; 657 off_t o; 658 int n, error; 659 struct aiocb *aiop; 660 661 // if size > MAXIO, use AIO to write n - 1 pieces in parallel 662 for (n = 0, o = 0; size > MAXIO; n++, size -= MAXIO, o += MAXIO) { 663 aiop = &aios[n]; 664 bzero(aiop, sizeof(*aiop)); 665 aiop->aio_buf = &buf[o]; 666 aiop->aio_fildes = fd; 667 aiop->aio_offset = off + o; 668 aiop->aio_nbytes = MAXIO; 669 error = aio_write(aiop); 670 if (error != 0) 671 err(EX_IOERR, "AIO write submit error"); 672 } 673 // Use synchronous writes for the runt of size <= MAXIO 674 error = pwrite(fd, &buf[o], size, off + o); 675 if (error < 0) 676 err(EX_IOERR, "Sync write error"); 677 for (; n > 0; n--) { 678 error = aio_waitcomplete(&aiop, NULL); 679 if (error < 0) 680 err(EX_IOERR, "AIO write wait error"); 681 } 682 } 683 684 static void 685 slogbench(int fd, int isreg, off_t mediasize, u_int sectorsize) 686 { 687 off_t off; 688 u_int size; 689 int error, n, N, nowritecache = 0; 690 691 printf("Synchronous random writes:\n"); 692 for (size = sectorsize; size <= MAXTX; size *= 2) { 693 printf("\t%4.4g kbytes: ", (double)size / 1024); 694 N = 0; 695 T0(); 696 do { 697 for (n = 0; n < 250; n++) { 698 off = random() % (mediasize / size); 699 parwrite(fd, size, off * size); 700 if (nowritecache) 701 continue; 702 if (isreg) 703 error = fsync(fd); 704 else 705 error = ioctl(fd, DIOCGFLUSH); 706 if (error < 0) { 707 if (errno == ENOTSUP) 708 nowritecache = 1; 709 else 710 err(EX_IOERR, "Flush error"); 711 } 712 } 713 N += 250; 714 } while (delta_t() < 1.0); 715 TS(size, N); 716 } 717 } 718 719 static int 720 zonecheck(int fd, uint32_t *zone_mode, char *zone_str, size_t zone_str_len) 721 { 722 struct disk_zone_args zone_args; 723 int error; 724 725 bzero(&zone_args, sizeof(zone_args)); 726 727 zone_args.zone_cmd = DISK_ZONE_GET_PARAMS; 728 error = ioctl(fd, DIOCZONECMD, &zone_args); 729 730 if (error == 0) { 731 *zone_mode = zone_args.zone_params.disk_params.zone_mode; 732 733 switch (*zone_mode) { 734 case DISK_ZONE_MODE_NONE: 735 snprintf(zone_str, zone_str_len, "Not_Zoned"); 736 break; 737 case DISK_ZONE_MODE_HOST_AWARE: 738 snprintf(zone_str, zone_str_len, "Host_Aware"); 739 break; 740 case DISK_ZONE_MODE_DRIVE_MANAGED: 741 snprintf(zone_str, zone_str_len, "Drive_Managed"); 742 break; 743 case DISK_ZONE_MODE_HOST_MANAGED: 744 snprintf(zone_str, zone_str_len, "Host_Managed"); 745 break; 746 default: 747 snprintf(zone_str, zone_str_len, "Unknown_zone_mode_%u", 748 *zone_mode); 749 break; 750 } 751 } 752 return (error); 753 } 754