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 if (ioctl(fd, DIOCGPHYSPATH, physpath) == 0) 255 printf("\t%-12s\t# Physical path\n", physpath); 256 printf("\t%-12s\t# TRIM/UNMAP support\n", 257 candelete(fd) ? "Yes" : "No"); 258 rotationrate(fd, rrate, sizeof(rrate)); 259 printf("\t%-12s\t# Rotation rate in RPM\n", rrate); 260 if (zoned != 0) 261 printf("\t%-12s\t# Zone Mode\n", zone_desc); 262 } 263 printf("\n"); 264 if (opt_c) 265 commandtime(fd, mediasize, sectorsize); 266 if (opt_t) 267 speeddisk(fd, mediasize, sectorsize); 268 if (opt_i) 269 iopsbench(fd, mediasize, sectorsize); 270 if (opt_S) 271 slogbench(fd, isreg, mediasize, sectorsize); 272 out: 273 close(fd); 274 } 275 free(buf); 276 exit (exitval); 277 } 278 279 static bool 280 candelete(int fd) 281 { 282 struct diocgattr_arg arg; 283 284 strlcpy(arg.name, "GEOM::candelete", sizeof(arg.name)); 285 arg.len = sizeof(arg.value.i); 286 if (ioctl(fd, DIOCGATTR, &arg) == 0) 287 return (arg.value.i != 0); 288 else 289 return (false); 290 } 291 292 static void 293 rotationrate(int fd, char *rate, size_t buflen) 294 { 295 struct diocgattr_arg arg; 296 int ret; 297 298 strlcpy(arg.name, "GEOM::rotation_rate", sizeof(arg.name)); 299 arg.len = sizeof(arg.value.u16); 300 301 ret = ioctl(fd, DIOCGATTR, &arg); 302 if (ret < 0 || arg.value.u16 == DISK_RR_UNKNOWN) 303 snprintf(rate, buflen, "Unknown"); 304 else if (arg.value.u16 == DISK_RR_NON_ROTATING) 305 snprintf(rate, buflen, "%d", 0); 306 else if (arg.value.u16 >= DISK_RR_MIN && arg.value.u16 <= DISK_RR_MAX) 307 snprintf(rate, buflen, "%d", arg.value.u16); 308 else 309 snprintf(rate, buflen, "Invalid"); 310 } 311 312 static void 313 rdsect(int fd, off_t blockno, u_int sectorsize) 314 { 315 int error; 316 317 if (lseek(fd, (off_t)blockno * sectorsize, SEEK_SET) == -1) 318 err(1, "lseek"); 319 error = read(fd, buf, sectorsize); 320 if (error == -1) 321 err(1, "read"); 322 if (error != (int)sectorsize) 323 errx(1, "disk too small for test."); 324 } 325 326 static void 327 rdmega(int fd) 328 { 329 int error; 330 331 error = read(fd, buf, MEGATX); 332 if (error == -1) 333 err(1, "read"); 334 if (error != MEGATX) 335 errx(1, "disk too small for test."); 336 } 337 338 static struct timeval tv1, tv2; 339 340 static void 341 T0(void) 342 { 343 344 fflush(stdout); 345 sync(); 346 sleep(1); 347 sync(); 348 sync(); 349 gettimeofday(&tv1, NULL); 350 } 351 352 static double 353 delta_t(void) 354 { 355 double dt; 356 357 gettimeofday(&tv2, NULL); 358 dt = (tv2.tv_usec - tv1.tv_usec) / 1e6; 359 dt += (tv2.tv_sec - tv1.tv_sec); 360 361 return (dt); 362 } 363 364 static void 365 TN(int count) 366 { 367 double dt; 368 369 dt = delta_t(); 370 printf("%5d iter in %10.6f sec = %8.3f msec\n", 371 count, dt, dt * 1000.0 / count); 372 } 373 374 static void 375 TR(double count) 376 { 377 double dt; 378 379 dt = delta_t(); 380 printf("%8.0f kbytes in %10.6f sec = %8.0f kbytes/sec\n", 381 count, dt, count / dt); 382 } 383 384 static void 385 TI(double count) 386 { 387 double dt; 388 389 dt = delta_t(); 390 printf("%8.0f ops in %10.6f sec = %8.0f IOPS\n", 391 count, dt, count / dt); 392 } 393 394 static void 395 TS(u_int size, int count) 396 { 397 double dt; 398 399 dt = delta_t(); 400 printf("%8.1f usec/IO = %8.1f Mbytes/s\n", 401 dt * 1000000.0 / count, (double)size * count / dt / (1024 * 1024)); 402 } 403 404 static void 405 speeddisk(int fd, off_t mediasize, u_int sectorsize) 406 { 407 int bulk, i; 408 off_t b0, b1, sectorcount, step; 409 410 /* 411 * Drives smaller than 1MB produce negative sector numbers, 412 * as do 2048 or fewer sectors. 413 */ 414 sectorcount = mediasize / sectorsize; 415 if (mediasize < 1024 * 1024 || sectorcount < 2048) 416 return; 417 418 419 step = 1ULL << (flsll(sectorcount / (4 * 200)) - 1); 420 if (step > 16384) 421 step = 16384; 422 bulk = mediasize / (1024 * 1024); 423 if (bulk > 100) 424 bulk = 100; 425 426 printf("Seek times:\n"); 427 printf("\tFull stroke:\t"); 428 b0 = 0; 429 b1 = sectorcount - step; 430 T0(); 431 for (i = 0; i < 125; i++) { 432 rdsect(fd, b0, sectorsize); 433 b0 += step; 434 rdsect(fd, b1, sectorsize); 435 b1 -= step; 436 } 437 TN(250); 438 439 printf("\tHalf stroke:\t"); 440 b0 = sectorcount / 4; 441 b1 = b0 + sectorcount / 2; 442 T0(); 443 for (i = 0; i < 125; i++) { 444 rdsect(fd, b0, sectorsize); 445 b0 += step; 446 rdsect(fd, b1, sectorsize); 447 b1 += step; 448 } 449 TN(250); 450 printf("\tQuarter stroke:\t"); 451 b0 = sectorcount / 4; 452 b1 = b0 + sectorcount / 4; 453 T0(); 454 for (i = 0; i < 250; i++) { 455 rdsect(fd, b0, sectorsize); 456 b0 += step; 457 rdsect(fd, b1, sectorsize); 458 b1 += step; 459 } 460 TN(500); 461 462 printf("\tShort forward:\t"); 463 b0 = sectorcount / 2; 464 T0(); 465 for (i = 0; i < 400; i++) { 466 rdsect(fd, b0, sectorsize); 467 b0 += step; 468 } 469 TN(400); 470 471 printf("\tShort backward:\t"); 472 b0 = sectorcount / 2; 473 T0(); 474 for (i = 0; i < 400; i++) { 475 rdsect(fd, b0, sectorsize); 476 b0 -= step; 477 } 478 TN(400); 479 480 printf("\tSeq outer:\t"); 481 b0 = 0; 482 T0(); 483 for (i = 0; i < 2048; i++) { 484 rdsect(fd, b0, sectorsize); 485 b0++; 486 } 487 TN(2048); 488 489 printf("\tSeq inner:\t"); 490 b0 = sectorcount - 2048; 491 T0(); 492 for (i = 0; i < 2048; i++) { 493 rdsect(fd, b0, sectorsize); 494 b0++; 495 } 496 TN(2048); 497 498 printf("\nTransfer rates:\n"); 499 printf("\toutside: "); 500 rdsect(fd, 0, sectorsize); 501 T0(); 502 for (i = 0; i < bulk; i++) { 503 rdmega(fd); 504 } 505 TR(bulk * 1024); 506 507 printf("\tmiddle: "); 508 b0 = sectorcount / 2 - bulk * (1024*1024 / sectorsize) / 2 - 1; 509 rdsect(fd, b0, sectorsize); 510 T0(); 511 for (i = 0; i < bulk; i++) { 512 rdmega(fd); 513 } 514 TR(bulk * 1024); 515 516 printf("\tinside: "); 517 b0 = sectorcount - bulk * (1024*1024 / sectorsize) - 1; 518 rdsect(fd, b0, sectorsize); 519 T0(); 520 for (i = 0; i < bulk; i++) { 521 rdmega(fd); 522 } 523 TR(bulk * 1024); 524 525 printf("\n"); 526 return; 527 } 528 529 static void 530 commandtime(int fd, off_t mediasize, u_int sectorsize) 531 { 532 double dtmega, dtsector; 533 int i; 534 535 printf("I/O command overhead:\n"); 536 i = mediasize; 537 rdsect(fd, 0, sectorsize); 538 T0(); 539 for (i = 0; i < 10; i++) 540 rdmega(fd); 541 dtmega = delta_t(); 542 543 printf("\ttime to read 10MB block %10.6f sec\t= %8.3f msec/sector\n", 544 dtmega, dtmega*100/2048); 545 546 rdsect(fd, 0, sectorsize); 547 T0(); 548 for (i = 0; i < 20480; i++) 549 rdsect(fd, 0, sectorsize); 550 dtsector = delta_t(); 551 552 printf("\ttime to read 20480 sectors %10.6f sec\t= %8.3f msec/sector\n", 553 dtsector, dtsector*100/2048); 554 printf("\tcalculated command overhead\t\t\t= %8.3f msec/sector\n", 555 (dtsector - dtmega)*100/2048); 556 557 printf("\n"); 558 return; 559 } 560 561 static void 562 iops(int fd, off_t mediasize, u_int sectorsize) 563 { 564 struct aiocb aios[NAIO], *aiop; 565 ssize_t ret; 566 off_t sectorcount; 567 int error, i, queued, completed; 568 569 sectorcount = mediasize / sectorsize; 570 571 for (i = 0; i < NAIO; i++) { 572 aiop = &(aios[i]); 573 bzero(aiop, sizeof(*aiop)); 574 aiop->aio_buf = malloc(sectorsize); 575 if (aiop->aio_buf == NULL) 576 err(1, "malloc"); 577 } 578 579 T0(); 580 for (i = 0; i < NAIO; i++) { 581 aiop = &(aios[i]); 582 583 aiop->aio_fildes = fd; 584 aiop->aio_offset = (random() % (sectorcount)) * sectorsize; 585 aiop->aio_nbytes = sectorsize; 586 587 error = aio_read(aiop); 588 if (error != 0) 589 err(1, "aio_read"); 590 } 591 592 queued = i; 593 completed = 0; 594 595 for (;;) { 596 ret = aio_waitcomplete(&aiop, NULL); 597 if (ret < 0) 598 err(1, "aio_waitcomplete"); 599 if (ret != (ssize_t)sectorsize) 600 errx(1, "short read"); 601 602 completed++; 603 604 if (delta_t() < 3.0) { 605 aiop->aio_fildes = fd; 606 aiop->aio_offset = (random() % (sectorcount)) * sectorsize; 607 aiop->aio_nbytes = sectorsize; 608 609 error = aio_read(aiop); 610 if (error != 0) 611 err(1, "aio_read"); 612 613 queued++; 614 } else if (completed == queued) { 615 break; 616 } 617 } 618 619 TI(completed); 620 621 return; 622 } 623 624 static void 625 iopsbench(int fd, off_t mediasize, u_int sectorsize) 626 { 627 printf("Asynchronous random reads:\n"); 628 629 printf("\tsectorsize: "); 630 iops(fd, mediasize, sectorsize); 631 632 if (sectorsize != 4096) { 633 printf("\t4 kbytes: "); 634 iops(fd, mediasize, 4096); 635 } 636 637 printf("\t32 kbytes: "); 638 iops(fd, mediasize, 32 * 1024); 639 640 printf("\t128 kbytes: "); 641 iops(fd, mediasize, 128 * 1024); 642 643 printf("\n"); 644 } 645 646 #define MAXIO (128*1024) 647 #define MAXIOS (MAXTX / MAXIO) 648 649 static void 650 parwrite(int fd, size_t size, off_t off) 651 { 652 struct aiocb aios[MAXIOS]; 653 off_t o; 654 int n, error; 655 struct aiocb *aiop; 656 657 // if size > MAXIO, use AIO to write n - 1 pieces in parallel 658 for (n = 0, o = 0; size > MAXIO; n++, size -= MAXIO, o += MAXIO) { 659 aiop = &aios[n]; 660 bzero(aiop, sizeof(*aiop)); 661 aiop->aio_buf = &buf[o]; 662 aiop->aio_fildes = fd; 663 aiop->aio_offset = off + o; 664 aiop->aio_nbytes = MAXIO; 665 error = aio_write(aiop); 666 if (error != 0) 667 err(EX_IOERR, "AIO write submit error"); 668 } 669 // Use synchronous writes for the runt of size <= MAXIO 670 error = pwrite(fd, &buf[o], size, off + o); 671 if (error < 0) 672 err(EX_IOERR, "Sync write error"); 673 for (; n > 0; n--) { 674 error = aio_waitcomplete(&aiop, NULL); 675 if (error < 0) 676 err(EX_IOERR, "AIO write wait error"); 677 } 678 } 679 680 static void 681 slogbench(int fd, int isreg, off_t mediasize, u_int sectorsize) 682 { 683 off_t off; 684 u_int size; 685 int error, n, N, nowritecache = 0; 686 687 printf("Synchronous random writes:\n"); 688 for (size = sectorsize; size <= MAXTX; size *= 2) { 689 printf("\t%4.4g kbytes: ", (double)size / 1024); 690 N = 0; 691 T0(); 692 do { 693 for (n = 0; n < 250; n++) { 694 off = random() % (mediasize / size); 695 parwrite(fd, size, off * size); 696 if (nowritecache) 697 continue; 698 if (isreg) 699 error = fsync(fd); 700 else 701 error = ioctl(fd, DIOCGFLUSH); 702 if (error < 0) { 703 if (errno == ENOTSUP) 704 nowritecache = 1; 705 else 706 err(EX_IOERR, "Flush error"); 707 } 708 } 709 N += 250; 710 } while (delta_t() < 1.0); 711 TS(size, N); 712 } 713 } 714 715 static int 716 zonecheck(int fd, uint32_t *zone_mode, char *zone_str, size_t zone_str_len) 717 { 718 struct disk_zone_args zone_args; 719 int error; 720 721 bzero(&zone_args, sizeof(zone_args)); 722 723 zone_args.zone_cmd = DISK_ZONE_GET_PARAMS; 724 error = ioctl(fd, DIOCZONECMD, &zone_args); 725 726 if (error == 0) { 727 *zone_mode = zone_args.zone_params.disk_params.zone_mode; 728 729 switch (*zone_mode) { 730 case DISK_ZONE_MODE_NONE: 731 snprintf(zone_str, zone_str_len, "Not_Zoned"); 732 break; 733 case DISK_ZONE_MODE_HOST_AWARE: 734 snprintf(zone_str, zone_str_len, "Host_Aware"); 735 break; 736 case DISK_ZONE_MODE_DRIVE_MANAGED: 737 snprintf(zone_str, zone_str_len, "Drive_Managed"); 738 break; 739 case DISK_ZONE_MODE_HOST_MANAGED: 740 snprintf(zone_str, zone_str_len, "Host_Managed"); 741 break; 742 default: 743 snprintf(zone_str, zone_str_len, "Unknown_zone_mode_%u", 744 *zone_mode); 745 break; 746 } 747 } 748 return (error); 749 } 750