sbin/natacontrol/natacontrol.c

   1 /*-
   2  * Copyright (c) 2000 - 2006 Søren Schmidt <sos@FreeBSD.org>
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer,
  10  *    without modification, immediately at the beginning of the file.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25  *
  26  * $FreeBSD: src/sbin/atacontrol/atacontrol.c,v 1.42 2006/03/15 19:32:43 sos Exp $
  27  * $DragonFly: src/sbin/natacontrol/natacontrol.c,v 1.3 2008/09/04 21:00:28 swildner Exp $
  28  */
  29
  30 #include <sys/nata.h>
  31
  32 #include <stdio.h>
  33 #include <stdlib.h>
  34 #include <string.h>
  35 #include <fcntl.h>
  36 #include <errno.h>
  37 #include <err.h>
  38
  39 #include <sysexits.h>
  40 #include <unistd.h>
  41
  42 static const char *mode2str(int mode);
  43 static int      str2mode(char *str);
  44 static void     usage(void);
  45 static int      version(int ver);
  46 static void     param_print(struct ata_params *parm);
  47 static void     cap_print(struct ata_params *parm);
  48 static int      ata_cap_print(int fd);
  49 static int      info_print(int fd, int channel, int prchan);
  50
  51 const char *
  52 mode2str(int mode)
  53 {
  54         switch (mode) {
  55         case ATA_PIO: return "BIOSPIO";
  56         case ATA_PIO0: return "PIO0";
  57         case ATA_PIO1: return "PIO1";
  58         case ATA_PIO2: return "PIO2";
  59         case ATA_PIO3: return "PIO3";
  60         case ATA_PIO4: return "PIO4";
  61         case ATA_WDMA2: return "WDMA2";
  62         case ATA_UDMA2: return "UDMA33";
  63         case ATA_UDMA4: return "UDMA66";
  64         case ATA_UDMA5: return "UDMA100";
  65         case ATA_UDMA6: return "UDMA133";
  66         case ATA_SA150: return "SATA150";
  67         case ATA_SA300: return "SATA300";
  68         case ATA_USB: return "USB";
  69         case ATA_USB1: return "USB1";
  70         case ATA_USB2: return "USB2";
  71         case ATA_DMA: return "BIOSDMA";
  72         default: return "???";
  73         }
  74 }
  75
  76 int
  77 str2mode(char *str)
  78 {
  79         if (!strcasecmp(str, "BIOSPIO")) return ATA_PIO;
  80         if (!strcasecmp(str, "PIO0")) return ATA_PIO0;
  81         if (!strcasecmp(str, "PIO1")) return ATA_PIO1;
  82         if (!strcasecmp(str, "PIO2")) return ATA_PIO2;
  83         if (!strcasecmp(str, "PIO3")) return ATA_PIO3;
  84         if (!strcasecmp(str, "PIO4")) return ATA_PIO4;
  85         if (!strcasecmp(str, "WDMA2")) return ATA_WDMA2;
  86         if (!strcasecmp(str, "UDMA2")) return ATA_UDMA2;
  87         if (!strcasecmp(str, "UDMA33")) return ATA_UDMA2;
  88         if (!strcasecmp(str, "UDMA4")) return ATA_UDMA4;
  89         if (!strcasecmp(str, "UDMA66")) return ATA_UDMA4;
  90         if (!strcasecmp(str, "UDMA5")) return ATA_UDMA5;
  91         if (!strcasecmp(str, "UDMA100")) return ATA_UDMA5;
  92         if (!strcasecmp(str, "UDMA6")) return ATA_UDMA6;
  93         if (!strcasecmp(str, "UDMA133")) return ATA_UDMA6;
  94         if (!strcasecmp(str, "BIOSDMA")) return ATA_DMA;
  95         return -1;
  96 }
  97
  98 void
  99 usage(void)
 100 {
 101         fprintf(stderr,
 102                 "usage:  natacontrol <command> args:\n"
 103                 "        natacontrol list\n"
 104                 "        natacontrol info channel\n"
 105                 "        natacontrol attach channel\n"
 106                 "        natacontrol detach channel\n"
 107                 "        natacontrol reinit channel\n"
 108                 "        natacontrol create type [interleave] disk0 ... diskN\n"
 109                 "        natacontrol delete array\n"
 110                 "        natacontrol addspare array disk\n"
 111                 "        natacontrol rebuild array\n"
 112                 "        natacontrol status array\n"
 113                 "        natacontrol mode device [mode]\n"
 114                 "        natacontrol cap device\n"
 115         );
 116         exit(EX_USAGE);
 117 }
 118
 119 int
 120 version(int ver)
 121 {
 122         int bit;
 123
 124         if (ver == 0xffff)
 125                 return 0;
 126         for (bit = 15; bit >= 0; bit--)
 127                 if (ver & (1<<bit))
 128                         return bit;
 129         return 0;
 130 }
 131
 132 void
 133 param_print(struct ata_params *parm)
 134 {
 135         printf("<%.40s/%.8s> ", parm->model, parm->revision);
 136         if (parm->satacapabilities && parm->satacapabilities != 0xffff) {
 137                 if (parm->satacapabilities & ATA_SATA_GEN2)
 138                         printf("Serial ATA II\n");
 139                 else if (parm->satacapabilities & ATA_SATA_GEN1)
 140                         printf("Serial ATA v1.0\n");
 141                 else
 142                         printf("Unknown serial ATA version\n");
 143         }
 144         else
 145                 printf("ATA/ATAPI revision %d\n", version(parm->version_major));
 146 }
 147
 148 void
 149 cap_print(struct ata_params *parm)
 150 {
 151         u_int32_t lbasize = (u_int32_t)parm->lba_size_1 |
 152                                 ((u_int32_t)parm->lba_size_2 << 16);
 153
 154         u_int64_t lbasize48 = ((u_int64_t)parm->lba_size48_1) |
 155                                 ((u_int64_t)parm->lba_size48_2 << 16) |
 156                                 ((u_int64_t)parm->lba_size48_3 << 32) |
 157                                 ((u_int64_t)parm->lba_size48_4 << 48);
 158
 159         printf("\n");
 160         printf("Protocol              ");
 161         if (parm->satacapabilities && parm->satacapabilities != 0xffff) {
 162                 if (parm->satacapabilities & ATA_SATA_GEN2)
 163                         printf("Serial ATA II\n");
 164                 else if (parm->satacapabilities & ATA_SATA_GEN1)
 165                         printf("Serial ATA v1.0\n");
 166                 else
 167                         printf("Unknown serial ATA version\n");
 168         }
 169         else
 170                 printf("ATA/ATAPI revision %d\n", version(parm->version_major));
 171         printf("device model          %.40s\n", parm->model);
 172         printf("serial number         %.20s\n", parm->serial);
 173         printf("firmware revision     %.8s\n", parm->revision);
 174
 175         printf("cylinders             %d\n", parm->cylinders);
 176         printf("heads                 %d\n", parm->heads);
 177         printf("sectors/track         %d\n", parm->sectors);
 178
 179         printf("lba%ssupported         ",
 180                 parm->capabilities1 & ATA_SUPPORT_LBA ? " " : " not ");
 181         if (lbasize)
 182                 printf("%d sectors\n", lbasize);
 183         else
 184                 printf("\n");
 185
 186         printf("lba48%ssupported       ",
 187                 parm->support.command2 & ATA_SUPPORT_ADDRESS48 ? " " : " not ");
 188         if (lbasize48)
 189                 printf("%llu sectors\n", (unsigned long long)lbasize48);
 190         else
 191                 printf("\n");
 192
 193         printf("dma%ssupported\n",
 194                 parm->capabilities1 & ATA_SUPPORT_DMA ? " " : " not ");
 195
 196         printf("overlap%ssupported\n",
 197                 parm->capabilities1 & ATA_SUPPORT_OVERLAP ? " " : " not ");
 198
 199         printf("\nFeature                      "
 200                 "Support  Enable    Value           Vendor\n");
 201
 202         printf("write cache                    %s       %s\n",
 203                 parm->support.command1 & ATA_SUPPORT_WRITECACHE ? "yes" : "no",
 204                 parm->enabled.command1 & ATA_SUPPORT_WRITECACHE ? "yes" : "no");
 205
 206         printf("read ahead                     %s       %s\n",
 207                 parm->support.command1 & ATA_SUPPORT_LOOKAHEAD ? "yes" : "no",
 208                 parm->enabled.command1 & ATA_SUPPORT_LOOKAHEAD ? "yes" : "no");
 209
 210         if (parm->satacapabilities && parm->satacapabilities != 0xffff) {
 211                 printf("Native Command Queuing (NCQ)   %s       %s"
 212                         "       %d/0x%02X\n",
 213                         parm->satacapabilities & ATA_SUPPORT_NCQ ?
 214                                 "yes" : "no", " -",
 215                         (parm->satacapabilities & ATA_SUPPORT_NCQ) ?
 216                                 ATA_QUEUE_LEN(parm->queue) : 0,
 217                         (parm->satacapabilities & ATA_SUPPORT_NCQ) ?
 218                                 ATA_QUEUE_LEN(parm->queue) : 0);
 219         }
 220         printf("Tagged Command Queuing (TCQ)   %s       %s      %d/0x%02X\n",
 221                 parm->support.command2 & ATA_SUPPORT_QUEUED ? "yes" : "no",
 222                 parm->enabled.command2 & ATA_SUPPORT_QUEUED ? "yes" : "no",
 223                 ATA_QUEUE_LEN(parm->queue), ATA_QUEUE_LEN(parm->queue));
 224
 225         printf("SMART                          %s       %s\n",
 226                 parm->support.command1 & ATA_SUPPORT_SMART ? "yes" : "no",
 227                 parm->enabled.command1 & ATA_SUPPORT_SMART ? "yes" : "no");
 228
 229         printf("microcode download             %s       %s\n",
 230                 parm->support.command2 & ATA_SUPPORT_MICROCODE ? "yes" : "no",
 231                 parm->enabled.command2 & ATA_SUPPORT_MICROCODE ? "yes" : "no");
 232
 233         printf("security                       %s       %s\n",
 234                 parm->support.command1 & ATA_SUPPORT_SECURITY ? "yes" : "no",
 235                 parm->enabled.command1 & ATA_SUPPORT_SECURITY ? "yes" : "no");
 236
 237         printf("power management               %s       %s\n",
 238                 parm->support.command1 & ATA_SUPPORT_POWERMGT ? "yes" : "no",
 239                 parm->enabled.command1 & ATA_SUPPORT_POWERMGT ? "yes" : "no");
 240
 241         printf("advanced power management      %s       %s      %d/0x%02X\n",
 242                 parm->support.command2 & ATA_SUPPORT_APM ? "yes" : "no",
 243                 parm->enabled.command2 & ATA_SUPPORT_APM ? "yes" : "no",
 244                 parm->apm_value, parm->apm_value);
 245
 246         printf("automatic acoustic management  %s       %s      "
 247                 "%d/0x%02X      %d/0x%02X\n",
 248                 parm->support.command2 & ATA_SUPPORT_AUTOACOUSTIC ? "yes" :"no",
 249                 parm->enabled.command2 & ATA_SUPPORT_AUTOACOUSTIC ? "yes" :"no",
 250                 ATA_ACOUSTIC_CURRENT(parm->acoustic),
 251                 ATA_ACOUSTIC_CURRENT(parm->acoustic),
 252                 ATA_ACOUSTIC_VENDOR(parm->acoustic),
 253                 ATA_ACOUSTIC_VENDOR(parm->acoustic));
 254 }
 255
 256 int
 257 ata_cap_print(int fd)
 258 {
 259         struct ata_params params;
 260
 261         if (ioctl(fd, IOCATAGPARM, &params) < 0)
 262                 return errno;
 263         cap_print(&params);
 264         return 0;
 265 }
 266
 267 int
 268 info_print(int fd, int channel, int prchan)
 269 {
 270         struct ata_ioc_devices devices;
 271
 272         devices.channel = channel;
 273
 274         if (ioctl(fd, IOCATADEVICES, &devices) < 0)
 275                 return errno;
 276
 277         if (prchan)
 278                 printf("ATA channel %d:\n", channel);
 279         printf("%sMaster: ", prchan ? "    " : "");
 280         if (*devices.name[0]) {
 281                 printf("%4.4s ", devices.name[0]);
 282                 param_print(&devices.params[0]);
 283         }
 284         else
 285                 printf("     no device present\n");
 286         printf("%sSlave:  ", prchan ? "    " : "");
 287         if (*devices.name[1]) {
 288                 printf("%4.4s ", devices.name[1]);
 289                 param_print(&devices.params[1]);
 290         }
 291         else
 292                 printf("     no device present\n");
 293         return 0;
 294 }
 295
 296 int
 297 main(int argc, char **argv)
 298 {
 299         int fd;
 300
 301         if (argc < 2)
 302                 usage();
 303
 304         if (!strcmp(argv[1], "mode") && (argc == 3 || argc == 4)) {
 305                 int disk, mode;
 306                 char device[64];
 307
 308                 if (!(sscanf(argv[2], "ad%d", &disk) == 1 ||
 309                       sscanf(argv[2], "acd%d", &disk) == 1 ||
 310                       sscanf(argv[2], "afd%d", &disk) == 1 ||
 311                       sscanf(argv[2], "ast%d", &disk) == 1)) {
 312                         fprintf(stderr, "natacontrol: Invalid device %s\n",
 313                                 argv[2]);
 314                         exit(EX_USAGE);
 315                 }
 316                 sprintf(device, "/dev/%s", argv[2]);
 317                 if ((fd = open(device, O_RDONLY)) < 0)
 318                         err(1, "device not found");
 319                 if (argc == 4) {
 320                         mode = str2mode(argv[3]);
 321                         if (ioctl(fd, IOCATASMODE, &mode) < 0)
 322                                 warn("ioctl(IOCATASMODE)");
 323                 }
 324                 if (argc == 3 || argc == 4) {
 325                         if (ioctl(fd, IOCATAGMODE, &mode) < 0)
 326                                 err(1, "ioctl(IOCATAGMODE)");
 327                         printf("current mode = %s\n", mode2str(mode));
 328                 }
 329                 exit(EX_OK);
 330         }
 331         if (!strcmp(argv[1], "cap") && argc == 3) {
 332                 int disk;
 333                 char device[64];
 334
 335                 if (!(sscanf(argv[2], "ad%d", &disk) == 1 ||
 336                       sscanf(argv[2], "acd%d", &disk) == 1 ||
 337                       sscanf(argv[2], "afd%d", &disk) == 1 ||
 338                       sscanf(argv[2], "ast%d", &disk) == 1)) {
 339                         fprintf(stderr, "natacontrol: Invalid device %s\n",
 340                                 argv[2]);
 341                         exit(EX_USAGE);
 342                 }
 343                 sprintf(device, "/dev/%s", argv[2]);
 344                 if ((fd = open(device, O_RDONLY)) < 0)
 345                         err(1, "device not found");
 346                 ata_cap_print(fd);
 347                 exit(EX_OK);
 348         }
 349
 350         if ((fd = open("/dev/ata", O_RDWR)) < 0)
 351                 err(1, "control device not found");
 352
 353         if (!strcmp(argv[1], "list") && argc == 2) {
 354                 int maxchannel, channel;
 355
 356                 if (ioctl(fd, IOCATAGMAXCHANNEL, &maxchannel) < 0)
 357                         err(1, "ioctl(IOCATAGMAXCHANNEL)");
 358                 for (channel = 0; channel < maxchannel; channel++)
 359                         info_print(fd, channel, 1);
 360                 exit(EX_OK);
 361         }
 362         if (!strcmp(argv[1], "info") && argc == 3) {
 363                 int channel;
 364
 365                 if (!(sscanf(argv[2], "ata%d", &channel) == 1)) {
 366                         fprintf(stderr,
 367                                 "natacontrol: Invalid channel %s\n", argv[2]);
 368                         exit(EX_USAGE);
 369                 }
 370                 info_print(fd, channel, 0);
 371                 exit(EX_OK);
 372         }
 373         if (!strcmp(argv[1], "detach") && argc == 3) {
 374                 int channel;
 375
 376                 if (!(sscanf(argv[2], "ata%d", &channel) == 1)) {
 377                         fprintf(stderr,
 378                                 "natacontrol: Invalid channel %s\n", argv[2]);
 379                         exit(EX_USAGE);
 380                 }
 381                 if (ioctl(fd, IOCATADETACH, &channel) < 0)
 382                         err(1, "ioctl(IOCATADETACH)");
 383                 exit(EX_OK);
 384         }
 385         if (!strcmp(argv[1], "attach") && argc == 3) {
 386                 int channel;
 387
 388                 if (!(sscanf(argv[2], "ata%d", &channel) == 1)) {
 389                         fprintf(stderr,
 390                                 "natacontrol: Invalid channel %s\n", argv[2]);
 391                         exit(EX_USAGE);
 392                 }
 393                 if (ioctl(fd, IOCATAATTACH, &channel) < 0)
 394                         err(1, "ioctl(IOCATAATTACH)");
 395                 info_print(fd, channel, 0);
 396                 exit(EX_OK);
 397         }
 398         if (!strcmp(argv[1], "reinit") && argc == 3) {
 399                 int channel;
 400
 401                 if (!(sscanf(argv[2], "ata%d", &channel) == 1)) {
 402                         fprintf(stderr,
 403                                 "natacontrol: Invalid channel %s\n", argv[2]);
 404                         exit(EX_USAGE);
 405                 }
 406                 if (ioctl(fd, IOCATAREINIT, &channel) < 0)
 407                         warn("ioctl(IOCATAREINIT)");
 408                 info_print(fd, channel, 0);
 409                 exit(EX_OK);
 410         }
 411         if (!strcmp(argv[1], "create")) {
 412                 int disk, dev, offset;
 413                 struct ata_ioc_raid_config config;
 414
 415                 bzero(&config, sizeof(config));
 416                 if (argc > 2) {
 417                         if (!strcasecmp(argv[2], "RAID0") ||
 418                             !strcasecmp(argv[2], "stripe"))
 419                                 config.type = AR_RAID0;
 420                         if (!strcasecmp(argv[2], "RAID1") ||
 421                             !strcasecmp(argv[2],"mirror"))
 422                                 config.type = AR_RAID1;
 423                         if (!strcasecmp(argv[2], "RAID0+1") ||
 424                             !strcasecmp(argv[2],"RAID10"))
 425                                 config.type = AR_RAID01;
 426                         if (!strcasecmp(argv[2], "RAID5"))
 427                                 config.type = AR_RAID5;
 428                         if (!strcasecmp(argv[2], "SPAN"))
 429                                 config.type = AR_SPAN;
 430                         if (!strcasecmp(argv[2], "JBOD"))
 431                                 config.type = AR_JBOD;
 432                 }
 433                 if (!config.type) {
 434                         fprintf(stderr, "natacontrol: Invalid RAID type %s\n",
 435                                 argv[2]);
 436                         fprintf(stderr, "natacontrol: Valid RAID types: \n");
 437                         fprintf(stderr, "             stripe | mirror | "
 438                                         "RAID0 | RAID1 | RAID0+1 | RAID5 | "
 439                                         "SPAN | JBOD\n");
 440                         exit(EX_USAGE);
 441                 }
 442
 443                 if (config.type == AR_RAID0 ||
 444                     config.type == AR_RAID01 ||
 445                     config.type == AR_RAID5) {
 446                         if (argc < 4 ||
 447                             !sscanf(argv[3], "%d", &config.interleave) == 1) {
 448                                 fprintf(stderr,
 449                                         "natacontrol: Invalid interleave %s\n",
 450                                         argv[3]);
 451                                 exit(EX_USAGE);
 452                         }
 453                         offset = 4;
 454                 }
 455                 else
 456                         offset = 3;
 457
 458                 for (disk = 0; disk < 16 && (offset + disk) < argc; disk++) {
 459                         if (!(sscanf(argv[offset + disk], "ad%d", &dev) == 1)) {
 460                                 fprintf(stderr,
 461                                         "natacontrol: Invalid disk %s\n",
 462                                         argv[offset + disk]);
 463                                 exit(EX_USAGE);
 464                         }
 465                         config.disks[disk] = dev;
 466                 }
 467
 468                 if ((config.type == AR_RAID1 || config.type == AR_RAID01) &&
 469                     disk < 2) {
 470                         fprintf(stderr, "natacontrol: At least 2 disks must be "
 471                                 "specified\n");
 472                         exit(EX_USAGE);
 473                 }
 474
 475                 config.total_disks = disk;
 476                 if (ioctl(fd, IOCATARAIDCREATE, &config) < 0)
 477                         err(1, "ioctl(IOCATARAIDCREATE)");
 478                 else
 479                         printf("ar%d created\n", config.lun);
 480                 exit(EX_OK);
 481         }
 482         if (!strcmp(argv[1], "delete") && argc == 3) {
 483                 int array;
 484
 485                 if (!(sscanf(argv[2], "ar%d", &array) == 1)) {
 486                         fprintf(stderr,
 487                                 "natacontrol: Invalid array %s\n", argv[2]);
 488                         exit(EX_USAGE);
 489                 }
 490                 if (ioctl(fd, IOCATARAIDDELETE, &array) < 0)
 491                         warn("ioctl(IOCATARAIDDELETE)");
 492                 exit(EX_OK);
 493         }
 494         if (!strcmp(argv[1], "addspare") && argc == 4) {
 495                 struct ata_ioc_raid_config config;
 496
 497                 if (!(sscanf(argv[2], "ar%d", &config.lun) == 1)) {
 498                         fprintf(stderr,
 499                                 "natacontrol: Invalid array %s\n", argv[2]);
 500                         usage();
 501                 }
 502                 if (!(sscanf(argv[3], "ad%d", &config.disks[0]) == 1)) {
 503                         fprintf(stderr,
 504                                 "natacontrol: Invalid disk %s\n", argv[3]);
 505                         usage();
 506                 }
 507                 if (ioctl(fd, IOCATARAIDADDSPARE, &config) < 0)
 508                         warn("ioctl(IOCATARAIDADDSPARE)");
 509                 exit(EX_OK);
 510         }
 511         if (!strcmp(argv[1], "rebuild") && argc == 3) {
 512                 int array;
 513
 514                 if (!(sscanf(argv[2], "ar%d", &array) == 1)) {
 515                         fprintf(stderr,
 516                                 "natacontrol: Invalid array %s\n", argv[2]);
 517                         usage();
 518                 }
 519                 if (ioctl(fd, IOCATARAIDREBUILD, &array) < 0)
 520                         warn("ioctl(IOCATARAIDREBUILD)");
 521                 else {
 522                         char device[64];
 523                         char *buffer;
 524                         ssize_t len;
 525                         int arfd;
 526
 527                         if (daemon(0, 1) == -1)
 528                                 err(1, "daemon");
 529                         nice(20);
 530                         snprintf(device, sizeof(device), "/dev/ar%d",
 531                             array);
 532                         if ((arfd = open(device, O_RDONLY)) == -1)
 533                                 err(1, "open %s", device);
 534                         if ((buffer = malloc(1024 * 1024)) == NULL)
 535                                 err(1, "malloc");
 536                         while ((len = read(arfd, buffer, 1024 * 1024)) > 0)
 537                                 ;
 538                         if (len == -1)
 539                                 err(1, "read");
 540                         else
 541                                 fprintf(stderr,
 542                                     "atacontrol: ar%d rebuild completed\n",
 543                                     array);
 544                         free(buffer);
 545                         close(arfd);
 546                 }
 547                 exit(EX_OK);
 548         }
 549         if (!strcmp(argv[1], "status") && argc == 3) {
 550                 struct ata_ioc_raid_config config;
 551                 int i;
 552
 553                 if (!(sscanf(argv[2], "ar%d", &config.lun) == 1)) {
 554                         fprintf(stderr,
 555                                 "natacontrol: Invalid array %s\n", argv[2]);
 556                         usage();
 557                 }
 558                 if (ioctl(fd, IOCATARAIDSTATUS, &config) < 0)
 559                         err(1, "ioctl(IOCATARAIDSTATUS)");
 560
 561                 printf("ar%d: ATA ", config.lun);
 562                 switch (config.type) {
 563                 case AR_RAID0:
 564                         printf("RAID0 stripesize=%d", config.interleave);
 565                         break;
 566                 case AR_RAID1:
 567                         printf("RAID1");
 568                         break;
 569                 case AR_RAID01:
 570                         printf("RAID0+1 stripesize=%d", config.interleave);
 571                         break;
 572                 case AR_RAID5:
 573                         printf("RAID5 stripesize=%d", config.interleave);
 574                         break;
 575                 case AR_JBOD:
 576                         printf("JBOD");
 577                 case AR_SPAN:
 578                         printf("SPAN");
 579                         break;
 580                 }
 581                 printf(" subdisks: ");
 582                 for (i = 0; i < config.total_disks; i++) {
 583                         if (config.disks[i] >= 0)
 584                                 printf("ad%d ", config.disks[i]);
 585                         else
 586                                 printf("DOWN ");
 587                 }
 588                 printf("status: ");
 589                 switch (config.status) {
 590                 case AR_READY:
 591                         printf("READY\n");
 592                         break;
 593                 case AR_READY | AR_DEGRADED:
 594                         printf("DEGRADED\n");
 595                         break;
 596                 case AR_READY | AR_DEGRADED | AR_REBUILDING:
 597                         printf("REBUILDING %d%% completed\n",
 598                                 config.progress);
 599                         break;
 600                 default:
 601                         printf("BROKEN\n");
 602                 }
 603                 exit(EX_OK);
 604         }
 605         usage();
 606         exit(EX_OK);
 607 }