1 /*- 2 * Copyright (c) 2000 - 2008 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/sys/dev/ata/ata-raid.c,v 1.120 2006/04/15 10:27:41 maxim Exp $ 27 */ 28 29 #include "opt_ata.h" 30 31 #include <sys/param.h> 32 #include <sys/bio.h> 33 #include <sys/buf.h> 34 #include <sys/buf2.h> 35 #include <sys/bus.h> 36 #include <sys/conf.h> 37 #include <sys/device.h> 38 #include <sys/devicestat.h> 39 #include <sys/disk.h> 40 #include <sys/endian.h> 41 #include <sys/libkern.h> 42 #include <sys/malloc.h> 43 #include <sys/lock.h> 44 #include <sys/module.h> 45 #include <sys/nata.h> 46 #include <sys/systm.h> 47 48 #include <vm/pmap.h> 49 50 #include <machine/md_var.h> 51 52 #include <bus/pci/pcivar.h> 53 54 #include "ata-all.h" 55 #include "ata-disk.h" 56 #include "ata-raid.h" 57 #include "ata-pci.h" 58 #include "ata_if.h" 59 60 61 /* device structure */ 62 static d_strategy_t ata_raid_strategy; 63 static d_dump_t ata_raid_dump; 64 static struct dev_ops ar_ops = { 65 { "ar", 0, D_DISK }, 66 .d_open = nullopen, 67 .d_close = nullclose, 68 .d_read = physread, 69 .d_write = physwrite, 70 .d_strategy = ata_raid_strategy, 71 .d_dump = ata_raid_dump, 72 }; 73 74 /* prototypes */ 75 static void ata_raid_done(struct ata_request *request); 76 static void ata_raid_config_changed(struct ar_softc *rdp, int writeback); 77 static int ata_raid_status(struct ata_ioc_raid_status *status); 78 static int ata_raid_create(struct ata_ioc_raid_config *config); 79 static int ata_raid_delete(int array); 80 static int ata_raid_addspare(struct ata_ioc_raid_config *config); 81 static int ata_raid_rebuild(int array); 82 static int ata_raid_read_metadata(device_t subdisk); 83 static int ata_raid_write_metadata(struct ar_softc *rdp); 84 static int ata_raid_wipe_metadata(struct ar_softc *rdp); 85 static int ata_raid_adaptec_read_meta(device_t dev, struct ar_softc **raidp); 86 static int ata_raid_hptv2_read_meta(device_t dev, struct ar_softc **raidp); 87 static int ata_raid_hptv2_write_meta(struct ar_softc *rdp); 88 static int ata_raid_hptv3_read_meta(device_t dev, struct ar_softc **raidp); 89 static int ata_raid_intel_read_meta(device_t dev, struct ar_softc **raidp); 90 static int ata_raid_intel_write_meta(struct ar_softc *rdp); 91 static int ata_raid_ite_read_meta(device_t dev, struct ar_softc **raidp); 92 static int ata_raid_jmicron_read_meta(device_t dev, struct ar_softc **raidp); 93 static int ata_raid_jmicron_write_meta(struct ar_softc *rdp); 94 static int ata_raid_lsiv2_read_meta(device_t dev, struct ar_softc **raidp); 95 static int ata_raid_lsiv3_read_meta(device_t dev, struct ar_softc **raidp); 96 static int ata_raid_nvidia_read_meta(device_t dev, struct ar_softc **raidp); 97 static int ata_raid_promise_read_meta(device_t dev, struct ar_softc **raidp, int native); 98 static int ata_raid_promise_write_meta(struct ar_softc *rdp); 99 static int ata_raid_sii_read_meta(device_t dev, struct ar_softc **raidp); 100 static int ata_raid_sis_read_meta(device_t dev, struct ar_softc **raidp); 101 static int ata_raid_sis_write_meta(struct ar_softc *rdp); 102 static int ata_raid_via_read_meta(device_t dev, struct ar_softc **raidp); 103 static int ata_raid_via_write_meta(struct ar_softc *rdp); 104 static struct ata_request *ata_raid_init_request(struct ar_softc *rdp, struct bio *bio); 105 static int ata_raid_send_request(struct ata_request *request); 106 static int ata_raid_rw(device_t dev, u_int64_t lba, void *data, u_int bcount, int flags); 107 static char * ata_raid_format(struct ar_softc *rdp); 108 static char * ata_raid_type(struct ar_softc *rdp); 109 static char * ata_raid_flags(struct ar_softc *rdp); 110 111 /* debugging only */ 112 static void ata_raid_print_meta(struct ar_softc *meta); 113 static void ata_raid_adaptec_print_meta(struct adaptec_raid_conf *meta); 114 static void ata_raid_hptv2_print_meta(struct hptv2_raid_conf *meta); 115 static void ata_raid_hptv3_print_meta(struct hptv3_raid_conf *meta); 116 static void ata_raid_intel_print_meta(struct intel_raid_conf *meta); 117 static void ata_raid_ite_print_meta(struct ite_raid_conf *meta); 118 static void ata_raid_jmicron_print_meta(struct jmicron_raid_conf *meta); 119 static void ata_raid_lsiv2_print_meta(struct lsiv2_raid_conf *meta); 120 static void ata_raid_lsiv3_print_meta(struct lsiv3_raid_conf *meta); 121 static void ata_raid_nvidia_print_meta(struct nvidia_raid_conf *meta); 122 static void ata_raid_promise_print_meta(struct promise_raid_conf *meta); 123 static void ata_raid_sii_print_meta(struct sii_raid_conf *meta); 124 static void ata_raid_sis_print_meta(struct sis_raid_conf *meta); 125 static void ata_raid_via_print_meta(struct via_raid_conf *meta); 126 127 /* internal vars */ 128 static struct ar_softc *ata_raid_arrays[MAX_ARRAYS]; 129 static MALLOC_DEFINE(M_AR, "ar_driver", "ATA PseudoRAID driver"); 130 static devclass_t ata_raid_sub_devclass; 131 static int testing = 0; 132 133 static void 134 ata_raid_attach(struct ar_softc *rdp, int writeback) 135 { 136 struct disk_info info; 137 cdev_t cdev; 138 char buffer[32]; 139 int disk; 140 141 lockinit(&rdp->lock, "ataraidattach", 0, 0); 142 ata_raid_config_changed(rdp, writeback); 143 144 /* sanitize arrays total_size % (width * interleave) == 0 */ 145 if (rdp->type == AR_T_RAID0 || rdp->type == AR_T_RAID01 || 146 rdp->type == AR_T_RAID5) { 147 rdp->total_sectors = (rdp->total_sectors/(rdp->interleave*rdp->width))* 148 (rdp->interleave * rdp->width); 149 ksprintf(buffer, " (stripe %d KB)", 150 (rdp->interleave * DEV_BSIZE) / 1024); 151 } 152 else 153 buffer[0] = '\0'; 154 155 devstat_add_entry(&rdp->devstat, "ar", rdp->lun, 156 DEV_BSIZE, DEVSTAT_NO_ORDERED_TAGS, 157 DEVSTAT_TYPE_STORARRAY | DEVSTAT_TYPE_IF_OTHER, 158 DEVSTAT_PRIORITY_ARRAY); 159 160 cdev = disk_create(rdp->lun, &rdp->disk, &ar_ops); 161 cdev->si_drv1 = rdp; 162 cdev->si_iosize_max = 128 * DEV_BSIZE; 163 rdp->cdev = cdev; 164 165 bzero(&info, sizeof(info)); 166 info.d_media_blksize = DEV_BSIZE; /* mandatory */ 167 info.d_media_blocks = rdp->total_sectors; 168 169 info.d_secpertrack = rdp->sectors; /* optional */ 170 info.d_nheads = rdp->heads; 171 info.d_ncylinders = rdp->total_sectors/(rdp->heads*rdp->sectors); 172 info.d_secpercyl = rdp->sectors * rdp->heads; 173 174 kprintf("ar%d: %juMB <%s %s%s> status: %s\n", rdp->lun, 175 rdp->total_sectors / ((1024L * 1024L) / DEV_BSIZE), 176 ata_raid_format(rdp), ata_raid_type(rdp), 177 buffer, ata_raid_flags(rdp)); 178 179 if (testing || bootverbose) 180 kprintf("ar%d: %ju sectors [%dC/%dH/%dS] <%s> subdisks defined as:\n", 181 rdp->lun, rdp->total_sectors, 182 rdp->cylinders, rdp->heads, rdp->sectors, rdp->name); 183 184 for (disk = 0; disk < rdp->total_disks; disk++) { 185 kprintf("ar%d: disk%d ", rdp->lun, disk); 186 if (rdp->disks[disk].dev) { 187 if (rdp->disks[disk].flags & AR_DF_PRESENT) { 188 /* status of this disk in the array */ 189 if (rdp->disks[disk].flags & AR_DF_ONLINE) 190 kprintf("READY "); 191 else if (rdp->disks[disk].flags & AR_DF_SPARE) 192 kprintf("SPARE "); 193 else 194 kprintf("FREE "); 195 196 /* what type of disk is this in the array */ 197 switch (rdp->type) { 198 case AR_T_RAID1: 199 case AR_T_RAID01: 200 if (disk < rdp->width) 201 kprintf("(master) "); 202 else 203 kprintf("(mirror) "); 204 } 205 206 /* which physical disk is used */ 207 kprintf("using %s at ata%d-%s\n", 208 device_get_nameunit(rdp->disks[disk].dev), 209 device_get_unit(device_get_parent(rdp->disks[disk].dev)), 210 (((struct ata_device *) 211 device_get_softc(rdp->disks[disk].dev))->unit == 212 ATA_MASTER) ? "master" : "slave"); 213 } 214 else if (rdp->disks[disk].flags & AR_DF_ASSIGNED) 215 kprintf("DOWN\n"); 216 else 217 kprintf("INVALID no RAID config on this subdisk\n"); 218 } 219 else 220 kprintf("DOWN no device found for this subdisk\n"); 221 } 222 223 disk_setdiskinfo(&rdp->disk, &info); 224 } 225 226 /* 227 * ATA PseudoRAID ioctl function. Note that this does not need to be adjusted 228 * to the dev_ops way, because it's just chained from the generic ata ioctl. 229 */ 230 static int 231 ata_raid_ioctl(u_long cmd, caddr_t data) 232 { 233 struct ata_ioc_raid_status *status = (struct ata_ioc_raid_status *)data; 234 struct ata_ioc_raid_config *config = (struct ata_ioc_raid_config *)data; 235 int *lun = (int *)data; 236 int error = EOPNOTSUPP; 237 238 switch (cmd) { 239 case IOCATARAIDSTATUS: 240 error = ata_raid_status(status); 241 break; 242 243 case IOCATARAIDCREATE: 244 error = ata_raid_create(config); 245 break; 246 247 case IOCATARAIDDELETE: 248 error = ata_raid_delete(*lun); 249 break; 250 251 case IOCATARAIDADDSPARE: 252 error = ata_raid_addspare(config); 253 break; 254 255 case IOCATARAIDREBUILD: 256 error = ata_raid_rebuild(*lun); 257 break; 258 } 259 return error; 260 } 261 262 static int 263 ata_raid_flush(struct ar_softc *rdp, struct bio *bp) 264 { 265 struct ata_request *request; 266 device_t dev; 267 int disk; 268 269 bp->bio_driver_info = NULL; 270 271 for (disk = 0; disk < rdp->total_disks; disk++) { 272 if ((dev = rdp->disks[disk].dev) != NULL) 273 bp->bio_driver_info = (void *)((intptr_t)bp->bio_driver_info + 1); 274 } 275 for (disk = 0; disk < rdp->total_disks; disk++) { 276 if ((dev = rdp->disks[disk].dev) == NULL) 277 continue; 278 if (!(request = ata_raid_init_request(rdp, bp))) 279 return ENOMEM; 280 request->dev = dev; 281 request->u.ata.command = ATA_FLUSHCACHE; 282 request->u.ata.lba = 0; 283 request->u.ata.count = 0; 284 request->u.ata.feature = 0; 285 request->timeout = 1; 286 request->retries = 0; 287 request->flags |= ATA_R_ORDERED | ATA_R_DIRECT; 288 ata_queue_request(request); 289 } 290 return 0; 291 } 292 293 /* 294 * XXX TGEN there are a lot of offset -> block number conversions going on 295 * here, which is suboptimal. 296 */ 297 static int 298 ata_raid_strategy(struct dev_strategy_args *ap) 299 { 300 struct ar_softc *rdp = ap->a_head.a_dev->si_drv1; 301 struct bio *bp = ap->a_bio; 302 struct buf *bbp = bp->bio_buf; 303 struct ata_request *request; 304 caddr_t data; 305 u_int64_t blkno, lba, blk = 0; 306 int count, chunk, drv, par = 0, change = 0; 307 308 if (bbp->b_cmd == BUF_CMD_FLUSH) { 309 int error; 310 311 error = ata_raid_flush(rdp, bp); 312 if (error != 0) { 313 bbp->b_flags |= B_ERROR; 314 bbp->b_error = error; 315 biodone(bp); 316 } 317 return(0); 318 } 319 320 if (!(rdp->status & AR_S_READY) || 321 (bbp->b_cmd != BUF_CMD_READ && bbp->b_cmd != BUF_CMD_WRITE)) { 322 bbp->b_flags |= B_ERROR; 323 bbp->b_error = EIO; 324 biodone(bp); 325 return(0); 326 } 327 328 bbp->b_resid = bbp->b_bcount; 329 for (count = howmany(bbp->b_bcount, DEV_BSIZE), 330 /* bio_offset is byte granularity, convert */ 331 blkno = (u_int64_t)(bp->bio_offset >> DEV_BSHIFT), 332 data = bbp->b_data; 333 count > 0; 334 count -= chunk, blkno += chunk, data += (chunk * DEV_BSIZE)) { 335 336 switch (rdp->type) { 337 case AR_T_RAID1: 338 drv = 0; 339 lba = blkno; 340 chunk = count; 341 break; 342 343 case AR_T_JBOD: 344 case AR_T_SPAN: 345 drv = 0; 346 lba = blkno; 347 while (lba >= rdp->disks[drv].sectors) 348 lba -= rdp->disks[drv++].sectors; 349 chunk = min(rdp->disks[drv].sectors - lba, count); 350 break; 351 352 case AR_T_RAID0: 353 case AR_T_RAID01: 354 chunk = blkno % rdp->interleave; 355 drv = (blkno / rdp->interleave) % rdp->width; 356 lba = (((blkno/rdp->interleave)/rdp->width)*rdp->interleave)+chunk; 357 chunk = min(count, rdp->interleave - chunk); 358 break; 359 360 case AR_T_RAID5: 361 drv = (blkno / rdp->interleave) % (rdp->width - 1); 362 par = rdp->width - 1 - 363 (blkno / (rdp->interleave * (rdp->width - 1))) % rdp->width; 364 if (drv >= par) 365 drv++; 366 lba = ((blkno/rdp->interleave)/(rdp->width-1))*(rdp->interleave) + 367 ((blkno%(rdp->interleave*(rdp->width-1)))%rdp->interleave); 368 chunk = min(count, rdp->interleave - (lba % rdp->interleave)); 369 break; 370 371 default: 372 kprintf("ar%d: unknown array type in ata_raid_strategy\n", rdp->lun); 373 bbp->b_flags |= B_ERROR; 374 bbp->b_error = EIO; 375 biodone(bp); 376 return(0); 377 } 378 379 /* offset on all but "first on HPTv2" */ 380 if (!(drv == 0 && rdp->format == AR_F_HPTV2_RAID)) 381 lba += rdp->offset_sectors; 382 383 if (!(request = ata_raid_init_request(rdp, bp))) { 384 bbp->b_flags |= B_ERROR; 385 bbp->b_error = EIO; 386 biodone(bp); 387 return(0); 388 } 389 request->data = data; 390 request->bytecount = chunk * DEV_BSIZE; 391 request->u.ata.lba = lba; 392 request->u.ata.count = request->bytecount / DEV_BSIZE; 393 394 devstat_start_transaction(&rdp->devstat); 395 switch (rdp->type) { 396 case AR_T_JBOD: 397 case AR_T_SPAN: 398 case AR_T_RAID0: 399 if (((rdp->disks[drv].flags & (AR_DF_PRESENT|AR_DF_ONLINE)) == 400 (AR_DF_PRESENT|AR_DF_ONLINE) && !rdp->disks[drv].dev)) { 401 rdp->disks[drv].flags &= ~AR_DF_ONLINE; 402 ata_raid_config_changed(rdp, 1); 403 ata_free_request(request); 404 bbp->b_flags |= B_ERROR; 405 bbp->b_error = EIO; 406 biodone(bp); 407 return(0); 408 } 409 request->this = drv; 410 request->dev = rdp->disks[request->this].dev; 411 ata_raid_send_request(request); 412 break; 413 414 case AR_T_RAID1: 415 case AR_T_RAID01: 416 if ((rdp->disks[drv].flags & 417 (AR_DF_PRESENT|AR_DF_ONLINE))==(AR_DF_PRESENT|AR_DF_ONLINE) && 418 !rdp->disks[drv].dev) { 419 rdp->disks[drv].flags &= ~AR_DF_ONLINE; 420 change = 1; 421 } 422 if ((rdp->disks[drv + rdp->width].flags & 423 (AR_DF_PRESENT|AR_DF_ONLINE))==(AR_DF_PRESENT|AR_DF_ONLINE) && 424 !rdp->disks[drv + rdp->width].dev) { 425 rdp->disks[drv + rdp->width].flags &= ~AR_DF_ONLINE; 426 change = 1; 427 } 428 if (change) 429 ata_raid_config_changed(rdp, 1); 430 if (!(rdp->status & AR_S_READY)) { 431 ata_free_request(request); 432 bbp->b_flags |= B_ERROR; 433 bbp->b_error = EIO; 434 biodone(bp); 435 return(0); 436 } 437 438 if (rdp->status & AR_S_REBUILDING) 439 blk = ((lba / rdp->interleave) * rdp->width) * rdp->interleave + 440 (rdp->interleave * (drv % rdp->width)) + 441 lba % rdp->interleave; 442 443 if (bbp->b_cmd == BUF_CMD_READ) { 444 int src_online = 445 (rdp->disks[drv].flags & AR_DF_ONLINE); 446 int mir_online = 447 (rdp->disks[drv+rdp->width].flags & AR_DF_ONLINE); 448 449 /* if mirror gone or close to last access on source */ 450 if (!mir_online || 451 ((src_online) && 452 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) >= 453 (rdp->disks[drv].last_lba - AR_PROXIMITY) && 454 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) <= 455 (rdp->disks[drv].last_lba + AR_PROXIMITY))) { 456 rdp->toggle = 0; 457 } 458 /* if source gone or close to last access on mirror */ 459 else if (!src_online || 460 ((mir_online) && 461 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) >= 462 (rdp->disks[drv+rdp->width].last_lba-AR_PROXIMITY) && 463 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) <= 464 (rdp->disks[drv+rdp->width].last_lba+AR_PROXIMITY))) { 465 drv += rdp->width; 466 rdp->toggle = 1; 467 } 468 /* not close to any previous access, toggle */ 469 else { 470 if (rdp->toggle) 471 rdp->toggle = 0; 472 else { 473 drv += rdp->width; 474 rdp->toggle = 1; 475 } 476 } 477 478 if ((rdp->status & AR_S_REBUILDING) && 479 (blk <= rdp->rebuild_lba) && 480 ((blk + chunk) > rdp->rebuild_lba)) { 481 struct ata_composite *composite; 482 struct ata_request *rebuild; 483 int this; 484 485 /* figure out what part to rebuild */ 486 if (drv < rdp->width) 487 this = drv + rdp->width; 488 else 489 this = drv - rdp->width; 490 491 /* do we have a spare to rebuild on ? */ 492 if (rdp->disks[this].flags & AR_DF_SPARE) { 493 if ((composite = ata_alloc_composite())) { 494 if ((rebuild = ata_alloc_request())) { 495 rdp->rebuild_lba = blk + chunk; 496 bcopy(request, rebuild, 497 sizeof(struct ata_request)); 498 rebuild->this = this; 499 rebuild->dev = rdp->disks[this].dev; 500 rebuild->flags &= ~ATA_R_READ; 501 rebuild->flags |= ATA_R_WRITE; 502 lockinit(&composite->lock, "ardfspare", 0, 0); 503 composite->residual = request->bytecount; 504 composite->rd_needed |= (1 << drv); 505 composite->wr_depend |= (1 << drv); 506 composite->wr_needed |= (1 << this); 507 composite->request[drv] = request; 508 composite->request[this] = rebuild; 509 request->composite = composite; 510 rebuild->composite = composite; 511 ata_raid_send_request(rebuild); 512 } 513 else { 514 ata_free_composite(composite); 515 kprintf("DOH! ata_alloc_request failed!\n"); 516 } 517 } 518 else { 519 kprintf("DOH! ata_alloc_composite failed!\n"); 520 } 521 } 522 else if (rdp->disks[this].flags & AR_DF_ONLINE) { 523 /* 524 * if we got here we are a chunk of a RAID01 that 525 * does not need a rebuild, but we need to increment 526 * the rebuild_lba address to get the rebuild to 527 * move to the next chunk correctly 528 */ 529 rdp->rebuild_lba = blk + chunk; 530 } 531 else 532 kprintf("DOH! we didn't find the rebuild part\n"); 533 } 534 } 535 if (bbp->b_cmd == BUF_CMD_WRITE) { 536 if ((rdp->disks[drv+rdp->width].flags & AR_DF_ONLINE) || 537 ((rdp->status & AR_S_REBUILDING) && 538 (rdp->disks[drv+rdp->width].flags & AR_DF_SPARE) && 539 ((blk < rdp->rebuild_lba) || 540 ((blk <= rdp->rebuild_lba) && 541 ((blk + chunk) > rdp->rebuild_lba))))) { 542 if ((rdp->disks[drv].flags & AR_DF_ONLINE) || 543 ((rdp->status & AR_S_REBUILDING) && 544 (rdp->disks[drv].flags & AR_DF_SPARE) && 545 ((blk < rdp->rebuild_lba) || 546 ((blk <= rdp->rebuild_lba) && 547 ((blk + chunk) > rdp->rebuild_lba))))) { 548 struct ata_request *mirror; 549 struct ata_composite *composite; 550 int this = drv + rdp->width; 551 552 if ((composite = ata_alloc_composite())) { 553 if ((mirror = ata_alloc_request())) { 554 if ((blk <= rdp->rebuild_lba) && 555 ((blk + chunk) > rdp->rebuild_lba)) 556 rdp->rebuild_lba = blk + chunk; 557 bcopy(request, mirror, 558 sizeof(struct ata_request)); 559 mirror->this = this; 560 mirror->dev = rdp->disks[this].dev; 561 lockinit(&composite->lock, "ardfonline", 0, 0); 562 composite->residual = request->bytecount; 563 composite->wr_needed |= (1 << drv); 564 composite->wr_needed |= (1 << this); 565 composite->request[drv] = request; 566 composite->request[this] = mirror; 567 request->composite = composite; 568 mirror->composite = composite; 569 ata_raid_send_request(mirror); 570 rdp->disks[this].last_lba = 571 (u_int64_t)(bp->bio_offset >> DEV_BSHIFT) + 572 chunk; 573 } 574 else { 575 ata_free_composite(composite); 576 kprintf("DOH! ata_alloc_request failed!\n"); 577 } 578 } 579 else { 580 kprintf("DOH! ata_alloc_composite failed!\n"); 581 } 582 } 583 else 584 drv += rdp->width; 585 } 586 } 587 request->this = drv; 588 request->dev = rdp->disks[request->this].dev; 589 ata_raid_send_request(request); 590 rdp->disks[request->this].last_lba = 591 ((u_int64_t)(bp->bio_offset) >> DEV_BSHIFT) + chunk; 592 break; 593 594 case AR_T_RAID5: 595 if (((rdp->disks[drv].flags & (AR_DF_PRESENT|AR_DF_ONLINE)) == 596 (AR_DF_PRESENT|AR_DF_ONLINE) && !rdp->disks[drv].dev)) { 597 rdp->disks[drv].flags &= ~AR_DF_ONLINE; 598 change = 1; 599 } 600 if (((rdp->disks[par].flags & (AR_DF_PRESENT|AR_DF_ONLINE)) == 601 (AR_DF_PRESENT|AR_DF_ONLINE) && !rdp->disks[par].dev)) { 602 rdp->disks[par].flags &= ~AR_DF_ONLINE; 603 change = 1; 604 } 605 if (change) 606 ata_raid_config_changed(rdp, 1); 607 if (!(rdp->status & AR_S_READY)) { 608 ata_free_request(request); 609 bbp->b_flags |= B_ERROR; 610 bbp->b_error = EIO; 611 biodone(bp); 612 return(0); 613 } 614 if (rdp->status & AR_S_DEGRADED) { 615 /* do the XOR game if possible */ 616 } 617 else { 618 request->this = drv; 619 request->dev = rdp->disks[request->this].dev; 620 if (bbp->b_cmd == BUF_CMD_READ) { 621 ata_raid_send_request(request); 622 } 623 if (bbp->b_cmd == BUF_CMD_WRITE) { 624 ata_raid_send_request(request); 625 /* XXX TGEN no, I don't speak Danish either */ 626 /* 627 * sikre at læs-modify-skriv til hver disk er atomarisk. 628 * par kopi af request 629 * læse orgdata fra drv 630 * skriv nydata til drv 631 * læse parorgdata fra par 632 * skriv orgdata xor parorgdata xor nydata til par 633 */ 634 } 635 } 636 break; 637 638 default: 639 kprintf("ar%d: unknown array type in ata_raid_strategy\n", rdp->lun); 640 } 641 } 642 643 return(0); 644 } 645 646 static void 647 ata_raid_done(struct ata_request *request) 648 { 649 struct ar_softc *rdp = request->driver; 650 struct ata_composite *composite = NULL; 651 struct bio *bp = request->bio; 652 struct buf *bbp = bp->bio_buf; 653 int i, mirror, finished = 0; 654 655 if (bbp->b_cmd == BUF_CMD_FLUSH) { 656 if (bbp->b_error == 0) 657 bbp->b_error = request->result; 658 ata_free_request(request); 659 bp->bio_driver_info = (void *)((intptr_t)bp->bio_driver_info - 1); 660 if ((intptr_t)bp->bio_driver_info == 0) { 661 if (bbp->b_error) 662 bbp->b_flags |= B_ERROR; 663 biodone(bp); 664 } 665 return; 666 } 667 668 switch (rdp->type) { 669 case AR_T_JBOD: 670 case AR_T_SPAN: 671 case AR_T_RAID0: 672 if (request->result) { 673 rdp->disks[request->this].flags &= ~AR_DF_ONLINE; 674 ata_raid_config_changed(rdp, 1); 675 bbp->b_error = request->result; 676 finished = 1; 677 } 678 else { 679 bbp->b_resid -= request->donecount; 680 if (!bbp->b_resid) 681 finished = 1; 682 } 683 break; 684 685 case AR_T_RAID1: 686 case AR_T_RAID01: 687 if (request->this < rdp->width) 688 mirror = request->this + rdp->width; 689 else 690 mirror = request->this - rdp->width; 691 if (request->result) { 692 rdp->disks[request->this].flags &= ~AR_DF_ONLINE; 693 ata_raid_config_changed(rdp, 1); 694 } 695 if (rdp->status & AR_S_READY) { 696 u_int64_t blk = 0; 697 698 if (rdp->status & AR_S_REBUILDING) 699 blk = ((request->u.ata.lba / rdp->interleave) * rdp->width) * 700 rdp->interleave + (rdp->interleave * 701 (request->this % rdp->width)) + 702 request->u.ata.lba % rdp->interleave; 703 704 if (bbp->b_cmd == BUF_CMD_READ) { 705 706 /* is this a rebuild composite */ 707 if ((composite = request->composite)) { 708 lockmgr(&composite->lock, LK_EXCLUSIVE); 709 710 /* handle the read part of a rebuild composite */ 711 if (request->flags & ATA_R_READ) { 712 713 /* if read failed array is now broken */ 714 if (request->result) { 715 rdp->disks[request->this].flags &= ~AR_DF_ONLINE; 716 ata_raid_config_changed(rdp, 1); 717 bbp->b_error = request->result; 718 rdp->rebuild_lba = blk; 719 finished = 1; 720 } 721 722 /* good data, update how far we've gotten */ 723 else { 724 bbp->b_resid -= request->donecount; 725 composite->residual -= request->donecount; 726 if (!composite->residual) { 727 if (composite->wr_done & (1 << mirror)) 728 finished = 1; 729 } 730 } 731 } 732 733 /* handle the write part of a rebuild composite */ 734 else if (request->flags & ATA_R_WRITE) { 735 if (composite->rd_done & (1 << mirror)) { 736 if (request->result) { 737 kprintf("DOH! rebuild failed\n"); /* XXX SOS */ 738 rdp->rebuild_lba = blk; 739 } 740 if (!composite->residual) 741 finished = 1; 742 } 743 } 744 lockmgr(&composite->lock, LK_RELEASE); 745 } 746 747 /* if read failed retry on the mirror */ 748 else if (request->result) { 749 request->dev = rdp->disks[mirror].dev; 750 request->flags &= ~ATA_R_TIMEOUT; 751 ata_raid_send_request(request); 752 return; 753 } 754 755 /* we have good data */ 756 else { 757 bbp->b_resid -= request->donecount; 758 if (!bbp->b_resid) 759 finished = 1; 760 } 761 } 762 else if (bbp->b_cmd == BUF_CMD_WRITE) { 763 /* do we have a mirror or rebuild to deal with ? */ 764 if ((composite = request->composite)) { 765 lockmgr(&composite->lock, LK_EXCLUSIVE); 766 if (composite->wr_done & (1 << mirror)) { 767 if (request->result) { 768 if (composite->request[mirror]->result) { 769 kprintf("DOH! all disks failed and got here\n"); 770 bbp->b_error = EIO; 771 } 772 if (rdp->status & AR_S_REBUILDING) { 773 rdp->rebuild_lba = blk; 774 kprintf("DOH! rebuild failed\n"); /* XXX SOS */ 775 } 776 bbp->b_resid -= 777 composite->request[mirror]->donecount; 778 composite->residual -= 779 composite->request[mirror]->donecount; 780 } 781 else { 782 bbp->b_resid -= request->donecount; 783 composite->residual -= request->donecount; 784 } 785 if (!composite->residual) 786 finished = 1; 787 } 788 lockmgr(&composite->lock, LK_RELEASE); 789 } 790 /* no mirror we are done */ 791 else { 792 bbp->b_resid -= request->donecount; 793 if (!bbp->b_resid) 794 finished = 1; 795 } 796 } 797 } 798 else { 799 /* XXX TGEN bbp->b_flags |= B_ERROR; */ 800 bbp->b_error = request->result; 801 biodone(bp); 802 } 803 break; 804 805 case AR_T_RAID5: 806 if (request->result) { 807 rdp->disks[request->this].flags &= ~AR_DF_ONLINE; 808 ata_raid_config_changed(rdp, 1); 809 if (rdp->status & AR_S_READY) { 810 if (bbp->b_cmd == BUF_CMD_READ) { 811 /* do the XOR game to recover data */ 812 } 813 if (bbp->b_cmd == BUF_CMD_WRITE) { 814 /* if the parity failed we're OK sortof */ 815 /* otherwise wee need to do the XOR long dance */ 816 } 817 finished = 1; 818 } 819 else { 820 /* XXX TGEN bbp->b_flags |= B_ERROR; */ 821 bbp->b_error = request->result; 822 biodone(bp); 823 } 824 } 825 else { 826 /* did we have an XOR game going ?? */ 827 bbp->b_resid -= request->donecount; 828 if (!bbp->b_resid) 829 finished = 1; 830 } 831 break; 832 833 default: 834 kprintf("ar%d: unknown array type in ata_raid_done\n", rdp->lun); 835 } 836 837 if (finished) { 838 if ((rdp->status & AR_S_REBUILDING) && 839 rdp->rebuild_lba >= rdp->total_sectors) { 840 int disk; 841 842 for (disk = 0; disk < rdp->total_disks; disk++) { 843 if ((rdp->disks[disk].flags & 844 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE)) == 845 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE)) { 846 rdp->disks[disk].flags &= ~AR_DF_SPARE; 847 rdp->disks[disk].flags |= AR_DF_ONLINE; 848 } 849 } 850 rdp->status &= ~AR_S_REBUILDING; 851 ata_raid_config_changed(rdp, 1); 852 } 853 devstat_end_transaction_buf(&rdp->devstat, bbp); 854 if (!bbp->b_resid) 855 biodone(bp); 856 } 857 858 if (composite) { 859 if (finished) { 860 /* we are done with this composite, free all resources */ 861 for (i = 0; i < 32; i++) { 862 if (composite->rd_needed & (1 << i) || 863 composite->wr_needed & (1 << i)) { 864 ata_free_request(composite->request[i]); 865 } 866 } 867 lockuninit(&composite->lock); 868 ata_free_composite(composite); 869 } 870 } 871 else 872 ata_free_request(request); 873 } 874 875 static int 876 ata_raid_dump(struct dev_dump_args *ap) 877 { 878 struct ar_softc *rdp = ap->a_head.a_dev->si_drv1; 879 struct buf dbuf; 880 int error = 0; 881 int disk; 882 883 if (ap->a_length == 0) { 884 /* flush subdisk buffers to media */ 885 for (disk = 0, error = 0; disk < rdp->total_disks; disk++) { 886 if (rdp->disks[disk].dev) { 887 error |= ata_controlcmd(rdp->disks[disk].dev, 888 ATA_FLUSHCACHE, 0, 0, 0); 889 } 890 } 891 return (error ? EIO : 0); 892 } 893 894 bzero(&dbuf, sizeof(struct buf)); 895 initbufbio(&dbuf); 896 BUF_LOCK(&dbuf, LK_EXCLUSIVE); 897 /* bio_offset is byte granularity, convert block granularity a_blkno */ 898 dbuf.b_bio1.bio_offset = ap->a_offset; 899 dbuf.b_bio1.bio_caller_info1.ptr = (void *)rdp; 900 dbuf.b_bio1.bio_flags |= BIO_SYNC; 901 dbuf.b_bio1.bio_done = biodone_sync; 902 dbuf.b_bcount = ap->a_length; 903 dbuf.b_data = ap->a_virtual; 904 dbuf.b_cmd = BUF_CMD_WRITE; 905 dev_dstrategy(rdp->cdev, &dbuf.b_bio1); 906 /* wait for completion, unlock the buffer, check status */ 907 if (biowait(&dbuf.b_bio1, "dumpw")) { 908 BUF_UNLOCK(&dbuf); 909 return(dbuf.b_error ? dbuf.b_error : EIO); 910 } 911 BUF_UNLOCK(&dbuf); 912 uninitbufbio(&dbuf); 913 914 return 0; 915 } 916 917 static void 918 ata_raid_config_changed(struct ar_softc *rdp, int writeback) 919 { 920 int disk, count, status; 921 922 lockmgr(&rdp->lock, LK_EXCLUSIVE); 923 924 /* set default all working mode */ 925 status = rdp->status; 926 rdp->status &= ~AR_S_DEGRADED; 927 rdp->status |= AR_S_READY; 928 929 /* make sure all lost drives are accounted for */ 930 for (disk = 0; disk < rdp->total_disks; disk++) { 931 if (!(rdp->disks[disk].flags & AR_DF_PRESENT)) 932 rdp->disks[disk].flags &= ~AR_DF_ONLINE; 933 } 934 935 /* depending on RAID type figure out our health status */ 936 switch (rdp->type) { 937 case AR_T_JBOD: 938 case AR_T_SPAN: 939 case AR_T_RAID0: 940 for (disk = 0; disk < rdp->total_disks; disk++) 941 if (!(rdp->disks[disk].flags & AR_DF_ONLINE)) 942 rdp->status &= ~AR_S_READY; 943 break; 944 945 case AR_T_RAID1: 946 case AR_T_RAID01: 947 for (disk = 0; disk < rdp->width; disk++) { 948 if (!(rdp->disks[disk].flags & AR_DF_ONLINE) && 949 !(rdp->disks[disk + rdp->width].flags & AR_DF_ONLINE)) { 950 rdp->status &= ~AR_S_READY; 951 } 952 else if (((rdp->disks[disk].flags & AR_DF_ONLINE) && 953 !(rdp->disks[disk + rdp->width].flags & AR_DF_ONLINE)) || 954 (!(rdp->disks[disk].flags & AR_DF_ONLINE) && 955 (rdp->disks [disk + rdp->width].flags & AR_DF_ONLINE))) { 956 rdp->status |= AR_S_DEGRADED; 957 } 958 } 959 break; 960 961 case AR_T_RAID5: 962 for (count = 0, disk = 0; disk < rdp->total_disks; disk++) { 963 if (!(rdp->disks[disk].flags & AR_DF_ONLINE)) 964 count++; 965 } 966 if (count) { 967 if (count > 1) 968 rdp->status &= ~AR_S_READY; 969 else 970 rdp->status |= AR_S_DEGRADED; 971 } 972 break; 973 default: 974 rdp->status &= ~AR_S_READY; 975 } 976 977 /* 978 * Note that when the array breaks so comes up broken we 979 * force a write of the array config to the remaining 980 * drives so that the generation will be incremented past 981 * those of the missing or failed drives (in all cases). 982 */ 983 if (rdp->status != status) { 984 985 /* raid status has changed, update metadata */ 986 writeback = 1; 987 988 /* announce we have trouble ahead */ 989 if (!(rdp->status & AR_S_READY)) { 990 kprintf("ar%d: FAILURE - %s array broken\n", 991 rdp->lun, ata_raid_type(rdp)); 992 } 993 else if (rdp->status & AR_S_DEGRADED) { 994 if (rdp->type & (AR_T_RAID1 | AR_T_RAID01)) 995 kprintf("ar%d: WARNING - mirror", rdp->lun); 996 else 997 kprintf("ar%d: WARNING - parity", rdp->lun); 998 kprintf(" protection lost. %s array in DEGRADED mode\n", 999 ata_raid_type(rdp)); 1000 } 1001 } 1002 lockmgr(&rdp->lock, LK_RELEASE); 1003 if (writeback) 1004 ata_raid_write_metadata(rdp); 1005 1006 } 1007 1008 static int 1009 ata_raid_status(struct ata_ioc_raid_status *status) 1010 { 1011 struct ar_softc *rdp; 1012 int i; 1013 1014 if (!(rdp = ata_raid_arrays[status->lun])) 1015 return ENXIO; 1016 1017 status->type = rdp->type; 1018 status->total_disks = rdp->total_disks; 1019 for (i = 0; i < rdp->total_disks; i++ ) { 1020 status->disks[i].state = 0; 1021 if ((rdp->disks[i].flags & AR_DF_PRESENT) && rdp->disks[i].dev) { 1022 status->disks[i].lun = device_get_unit(rdp->disks[i].dev); 1023 if (rdp->disks[i].flags & AR_DF_PRESENT) 1024 status->disks[i].state |= AR_DISK_PRESENT; 1025 if (rdp->disks[i].flags & AR_DF_ONLINE) 1026 status->disks[i].state |= AR_DISK_ONLINE; 1027 if (rdp->disks[i].flags & AR_DF_SPARE) 1028 status->disks[i].state |= AR_DISK_SPARE; 1029 } else 1030 status->disks[i].lun = -1; 1031 } 1032 status->interleave = rdp->interleave; 1033 status->status = rdp->status; 1034 status->progress = 100 * rdp->rebuild_lba / rdp->total_sectors; 1035 return 0; 1036 } 1037 1038 static int 1039 ata_raid_create(struct ata_ioc_raid_config *config) 1040 { 1041 struct ar_softc *rdp; 1042 device_t subdisk; 1043 int array, disk; 1044 int ctlr = 0, total_disks = 0; 1045 u_int disk_size = 0; 1046 1047 for (array = 0; array < MAX_ARRAYS; array++) { 1048 if (!ata_raid_arrays[array]) 1049 break; 1050 } 1051 if (array >= MAX_ARRAYS) 1052 return ENOSPC; 1053 1054 rdp = (struct ar_softc*)kmalloc(sizeof(struct ar_softc), M_AR, 1055 M_WAITOK | M_ZERO); 1056 1057 for (disk = 0; disk < config->total_disks; disk++) { 1058 if ((subdisk = devclass_get_device(ata_raid_sub_devclass, 1059 config->disks[disk]))) { 1060 struct ata_raid_subdisk *ars = device_get_softc(subdisk); 1061 1062 /* is device already assigned to another array ? */ 1063 if (ars->raid[rdp->volume]) { 1064 config->disks[disk] = -1; 1065 kfree(rdp, M_AR); 1066 return EBUSY; 1067 } 1068 rdp->disks[disk].dev = device_get_parent(subdisk); 1069 1070 switch (pci_get_vendor(GRANDPARENT(rdp->disks[disk].dev))) { 1071 case ATA_HIGHPOINT_ID: 1072 /* 1073 * we need some way to decide if it should be v2 or v3 1074 * for now just use v2 since the v3 BIOS knows how to 1075 * handle that as well. 1076 */ 1077 ctlr = AR_F_HPTV2_RAID; 1078 rdp->disks[disk].sectors = HPTV3_LBA(rdp->disks[disk].dev); 1079 break; 1080 1081 case ATA_INTEL_ID: 1082 ctlr = AR_F_INTEL_RAID; 1083 rdp->disks[disk].sectors = INTEL_LBA(rdp->disks[disk].dev); 1084 break; 1085 1086 case ATA_ITE_ID: 1087 ctlr = AR_F_ITE_RAID; 1088 rdp->disks[disk].sectors = ITE_LBA(rdp->disks[disk].dev); 1089 break; 1090 1091 case ATA_JMICRON_ID: 1092 ctlr = AR_F_JMICRON_RAID; 1093 rdp->disks[disk].sectors = JMICRON_LBA(rdp->disks[disk].dev); 1094 break; 1095 1096 case 0: /* XXX SOS cover up for bug in our PCI code */ 1097 case ATA_PROMISE_ID: 1098 ctlr = AR_F_PROMISE_RAID; 1099 rdp->disks[disk].sectors = PROMISE_LBA(rdp->disks[disk].dev); 1100 break; 1101 1102 case ATA_SIS_ID: 1103 ctlr = AR_F_SIS_RAID; 1104 rdp->disks[disk].sectors = SIS_LBA(rdp->disks[disk].dev); 1105 break; 1106 1107 case ATA_ATI_ID: 1108 case ATA_VIA_ID: 1109 ctlr = AR_F_VIA_RAID; 1110 rdp->disks[disk].sectors = VIA_LBA(rdp->disks[disk].dev); 1111 break; 1112 1113 default: 1114 /* XXX SOS 1115 * right, so here we are, we have an ATA chip and we want 1116 * to create a RAID and store the metadata. 1117 * we need to find a way to tell what kind of metadata this 1118 * hardware's BIOS might be using (good ideas are welcomed) 1119 * for now we just use our own native FreeBSD format. 1120 * the only way to get support for the BIOS format is to 1121 * setup the RAID from there, in that case we pickup the 1122 * metadata format from the disks (if we support it). 1123 */ 1124 kprintf("WARNING!! - not able to determine metadata format\n" 1125 "WARNING!! - Using FreeBSD PseudoRAID metadata\n" 1126 "If that is not what you want, use the BIOS to " 1127 "create the array\n"); 1128 ctlr = AR_F_FREEBSD_RAID; 1129 rdp->disks[disk].sectors = PROMISE_LBA(rdp->disks[disk].dev); 1130 break; 1131 } 1132 1133 /* we need all disks to be of the same format */ 1134 if ((rdp->format & AR_F_FORMAT_MASK) && 1135 (rdp->format & AR_F_FORMAT_MASK) != (ctlr & AR_F_FORMAT_MASK)) { 1136 kfree(rdp, M_AR); 1137 return EXDEV; 1138 } 1139 else 1140 rdp->format = ctlr; 1141 1142 /* use the smallest disk of the lots size */ 1143 /* gigabyte boundry ??? XXX SOS */ 1144 if (disk_size) 1145 disk_size = min(rdp->disks[disk].sectors, disk_size); 1146 else 1147 disk_size = rdp->disks[disk].sectors; 1148 rdp->disks[disk].flags = 1149 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 1150 1151 total_disks++; 1152 } 1153 else { 1154 config->disks[disk] = -1; 1155 kfree(rdp, M_AR); 1156 return ENXIO; 1157 } 1158 } 1159 1160 if (total_disks != config->total_disks) { 1161 kfree(rdp, M_AR); 1162 return ENODEV; 1163 } 1164 1165 switch (config->type) { 1166 case AR_T_JBOD: 1167 case AR_T_SPAN: 1168 case AR_T_RAID0: 1169 break; 1170 1171 case AR_T_RAID1: 1172 if (total_disks != 2) { 1173 kfree(rdp, M_AR); 1174 return EPERM; 1175 } 1176 break; 1177 1178 case AR_T_RAID01: 1179 if (total_disks % 2 != 0) { 1180 kfree(rdp, M_AR); 1181 return EPERM; 1182 } 1183 break; 1184 1185 case AR_T_RAID5: 1186 if (total_disks < 3) { 1187 kfree(rdp, M_AR); 1188 return EPERM; 1189 } 1190 break; 1191 1192 default: 1193 kfree(rdp, M_AR); 1194 return EOPNOTSUPP; 1195 } 1196 rdp->type = config->type; 1197 rdp->lun = array; 1198 if (rdp->type == AR_T_RAID0 || rdp->type == AR_T_RAID01 || 1199 rdp->type == AR_T_RAID5) { 1200 int bit = 0; 1201 1202 while (config->interleave >>= 1) 1203 bit++; 1204 rdp->interleave = 1 << bit; 1205 } 1206 rdp->offset_sectors = 0; 1207 1208 /* values that depend on metadata format */ 1209 switch (rdp->format) { 1210 case AR_F_ADAPTEC_RAID: 1211 rdp->interleave = min(max(32, rdp->interleave), 128); /*+*/ 1212 break; 1213 1214 case AR_F_HPTV2_RAID: 1215 rdp->interleave = min(max(8, rdp->interleave), 128); /*+*/ 1216 rdp->offset_sectors = HPTV2_LBA(x) + 1; 1217 break; 1218 1219 case AR_F_HPTV3_RAID: 1220 rdp->interleave = min(max(32, rdp->interleave), 4096); /*+*/ 1221 break; 1222 1223 case AR_F_INTEL_RAID: 1224 rdp->interleave = min(max(8, rdp->interleave), 256); /*+*/ 1225 break; 1226 1227 case AR_F_ITE_RAID: 1228 rdp->interleave = min(max(2, rdp->interleave), 128); /*+*/ 1229 break; 1230 1231 case AR_F_JMICRON_RAID: 1232 rdp->interleave = min(max(8, rdp->interleave), 256); /*+*/ 1233 break; 1234 1235 case AR_F_LSIV2_RAID: 1236 rdp->interleave = min(max(2, rdp->interleave), 4096); 1237 break; 1238 1239 case AR_F_LSIV3_RAID: 1240 rdp->interleave = min(max(2, rdp->interleave), 256); 1241 break; 1242 1243 case AR_F_PROMISE_RAID: 1244 rdp->interleave = min(max(2, rdp->interleave), 2048); /*+*/ 1245 break; 1246 1247 case AR_F_SII_RAID: 1248 rdp->interleave = min(max(8, rdp->interleave), 256); /*+*/ 1249 break; 1250 1251 case AR_F_SIS_RAID: 1252 rdp->interleave = min(max(32, rdp->interleave), 512); /*+*/ 1253 break; 1254 1255 case AR_F_VIA_RAID: 1256 rdp->interleave = min(max(8, rdp->interleave), 128); /*+*/ 1257 break; 1258 } 1259 1260 rdp->total_disks = total_disks; 1261 rdp->width = total_disks / (rdp->type & (AR_RAID1 | AR_T_RAID01) ? 2 : 1); 1262 rdp->total_sectors = 1263 (uint64_t)disk_size * (rdp->width - (rdp->type == AR_RAID5)); 1264 rdp->heads = 255; 1265 rdp->sectors = 63; 1266 rdp->cylinders = rdp->total_sectors / (255 * 63); 1267 rdp->rebuild_lba = 0; 1268 rdp->status |= AR_S_READY; 1269 1270 /* we are committed to this array, grap the subdisks */ 1271 for (disk = 0; disk < config->total_disks; disk++) { 1272 if ((subdisk = devclass_get_device(ata_raid_sub_devclass, 1273 config->disks[disk]))) { 1274 struct ata_raid_subdisk *ars = device_get_softc(subdisk); 1275 1276 ars->raid[rdp->volume] = rdp; 1277 ars->disk_number[rdp->volume] = disk; 1278 } 1279 } 1280 ata_raid_attach(rdp, 1); 1281 ata_raid_arrays[array] = rdp; 1282 config->lun = array; 1283 return 0; 1284 } 1285 1286 static int 1287 ata_raid_delete(int array) 1288 { 1289 struct ar_softc *rdp; 1290 device_t subdisk; 1291 int disk; 1292 1293 if (!(rdp = ata_raid_arrays[array])) 1294 return ENXIO; 1295 1296 rdp->status &= ~AR_S_READY; 1297 disk_destroy(&rdp->disk); 1298 devstat_remove_entry(&rdp->devstat); 1299 1300 for (disk = 0; disk < rdp->total_disks; disk++) { 1301 if ((rdp->disks[disk].flags & AR_DF_PRESENT) && rdp->disks[disk].dev) { 1302 if ((subdisk = devclass_get_device(ata_raid_sub_devclass, 1303 device_get_unit(rdp->disks[disk].dev)))) { 1304 struct ata_raid_subdisk *ars = device_get_softc(subdisk); 1305 1306 if (ars->raid[rdp->volume] != rdp) /* XXX SOS */ 1307 device_printf(subdisk, "DOH! this disk doesn't belong\n"); 1308 if (ars->disk_number[rdp->volume] != disk) /* XXX SOS */ 1309 device_printf(subdisk, "DOH! this disk number is wrong\n"); 1310 ars->raid[rdp->volume] = NULL; 1311 ars->disk_number[rdp->volume] = -1; 1312 } 1313 rdp->disks[disk].flags = 0; 1314 } 1315 } 1316 ata_raid_wipe_metadata(rdp); 1317 ata_raid_arrays[array] = NULL; 1318 kfree(rdp, M_AR); 1319 return 0; 1320 } 1321 1322 static int 1323 ata_raid_addspare(struct ata_ioc_raid_config *config) 1324 { 1325 struct ar_softc *rdp; 1326 device_t subdisk; 1327 int disk; 1328 1329 if (!(rdp = ata_raid_arrays[config->lun])) 1330 return ENXIO; 1331 if (!(rdp->status & AR_S_DEGRADED) || !(rdp->status & AR_S_READY)) 1332 return ENXIO; 1333 if (rdp->status & AR_S_REBUILDING) 1334 return EBUSY; 1335 switch (rdp->type) { 1336 case AR_T_RAID1: 1337 case AR_T_RAID01: 1338 case AR_T_RAID5: 1339 for (disk = 0; disk < rdp->total_disks; disk++ ) { 1340 1341 if (((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) == 1342 (AR_DF_PRESENT | AR_DF_ONLINE)) && rdp->disks[disk].dev) 1343 continue; 1344 1345 if ((subdisk = devclass_get_device(ata_raid_sub_devclass, 1346 config->disks[0] ))) { 1347 struct ata_raid_subdisk *ars = device_get_softc(subdisk); 1348 1349 if (ars->raid[rdp->volume]) 1350 return EBUSY; 1351 1352 /* XXX SOS validate size etc etc */ 1353 ars->raid[rdp->volume] = rdp; 1354 ars->disk_number[rdp->volume] = disk; 1355 rdp->disks[disk].dev = device_get_parent(subdisk); 1356 rdp->disks[disk].flags = 1357 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE); 1358 1359 device_printf(rdp->disks[disk].dev, 1360 "inserted into ar%d disk%d as spare\n", 1361 rdp->lun, disk); 1362 ata_raid_config_changed(rdp, 1); 1363 return 0; 1364 } 1365 } 1366 return ENXIO; 1367 1368 default: 1369 return EPERM; 1370 } 1371 } 1372 1373 static int 1374 ata_raid_rebuild(int array) 1375 { 1376 struct ar_softc *rdp; 1377 int disk, count; 1378 1379 if (!(rdp = ata_raid_arrays[array])) 1380 return ENXIO; 1381 /* XXX SOS we should lock the rdp softc here */ 1382 if (!(rdp->status & AR_S_DEGRADED) || !(rdp->status & AR_S_READY)) 1383 return ENXIO; 1384 if (rdp->status & AR_S_REBUILDING) 1385 return EBUSY; 1386 1387 switch (rdp->type) { 1388 case AR_T_RAID1: 1389 case AR_T_RAID01: 1390 case AR_T_RAID5: 1391 for (count = 0, disk = 0; disk < rdp->total_disks; disk++ ) { 1392 if (((rdp->disks[disk].flags & 1393 (AR_DF_PRESENT|AR_DF_ASSIGNED|AR_DF_ONLINE|AR_DF_SPARE)) == 1394 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE)) && 1395 rdp->disks[disk].dev) { 1396 count++; 1397 } 1398 } 1399 1400 if (count) { 1401 rdp->rebuild_lba = 0; 1402 rdp->status |= AR_S_REBUILDING; 1403 return 0; 1404 } 1405 return EIO; 1406 1407 default: 1408 return EPERM; 1409 } 1410 } 1411 1412 static int 1413 ata_raid_read_metadata(device_t subdisk) 1414 { 1415 devclass_t pci_devclass = devclass_find("pci"); 1416 devclass_t atapci_devclass = devclass_find("atapci"); 1417 devclass_t devclass=device_get_devclass(GRANDPARENT(GRANDPARENT(subdisk))); 1418 1419 /* prioritize vendor native metadata layout if possible */ 1420 if (devclass == pci_devclass || devclass == atapci_devclass) { 1421 switch (pci_get_vendor(GRANDPARENT(device_get_parent(subdisk)))) { 1422 case ATA_HIGHPOINT_ID: 1423 if (ata_raid_hptv3_read_meta(subdisk, ata_raid_arrays)) 1424 return 0; 1425 if (ata_raid_hptv2_read_meta(subdisk, ata_raid_arrays)) 1426 return 0; 1427 break; 1428 1429 case ATA_INTEL_ID: 1430 if (ata_raid_intel_read_meta(subdisk, ata_raid_arrays)) 1431 return 0; 1432 break; 1433 1434 case ATA_ITE_ID: 1435 if (ata_raid_ite_read_meta(subdisk, ata_raid_arrays)) 1436 return 0; 1437 break; 1438 1439 case ATA_JMICRON_ID: 1440 if (ata_raid_jmicron_read_meta(subdisk, ata_raid_arrays)) 1441 return 0; 1442 break; 1443 1444 case ATA_NVIDIA_ID: 1445 if (ata_raid_nvidia_read_meta(subdisk, ata_raid_arrays)) 1446 return 0; 1447 break; 1448 1449 case 0: /* XXX SOS cover up for bug in our PCI code */ 1450 case ATA_PROMISE_ID: 1451 if (ata_raid_promise_read_meta(subdisk, ata_raid_arrays, 0)) 1452 return 0; 1453 break; 1454 1455 case ATA_ATI_ID: 1456 case ATA_SILICON_IMAGE_ID: 1457 if (ata_raid_sii_read_meta(subdisk, ata_raid_arrays)) 1458 return 0; 1459 break; 1460 1461 case ATA_SIS_ID: 1462 if (ata_raid_sis_read_meta(subdisk, ata_raid_arrays)) 1463 return 0; 1464 break; 1465 1466 case ATA_VIA_ID: 1467 if (ata_raid_via_read_meta(subdisk, ata_raid_arrays)) 1468 return 0; 1469 break; 1470 } 1471 } 1472 1473 /* handle controllers that have multiple layout possibilities */ 1474 /* NOTE: the order of these are not insignificant */ 1475 1476 /* Adaptec HostRAID */ 1477 if (ata_raid_adaptec_read_meta(subdisk, ata_raid_arrays)) 1478 return 0; 1479 1480 /* LSILogic v3 and v2 */ 1481 if (ata_raid_lsiv3_read_meta(subdisk, ata_raid_arrays)) 1482 return 0; 1483 if (ata_raid_lsiv2_read_meta(subdisk, ata_raid_arrays)) 1484 return 0; 1485 1486 /* if none of the above matched, try FreeBSD native format */ 1487 return ata_raid_promise_read_meta(subdisk, ata_raid_arrays, 1); 1488 } 1489 1490 static int 1491 ata_raid_write_metadata(struct ar_softc *rdp) 1492 { 1493 switch (rdp->format) { 1494 case AR_F_FREEBSD_RAID: 1495 case AR_F_PROMISE_RAID: 1496 return ata_raid_promise_write_meta(rdp); 1497 1498 case AR_F_HPTV3_RAID: 1499 case AR_F_HPTV2_RAID: 1500 /* 1501 * always write HPT v2 metadata, the v3 BIOS knows it as well. 1502 * this is handy since we cannot know what version BIOS is on there 1503 */ 1504 return ata_raid_hptv2_write_meta(rdp); 1505 1506 case AR_F_INTEL_RAID: 1507 return ata_raid_intel_write_meta(rdp); 1508 1509 case AR_F_JMICRON_RAID: 1510 return ata_raid_jmicron_write_meta(rdp); 1511 1512 case AR_F_SIS_RAID: 1513 return ata_raid_sis_write_meta(rdp); 1514 1515 case AR_F_VIA_RAID: 1516 return ata_raid_via_write_meta(rdp); 1517 #if 0 1518 case AR_F_HPTV3_RAID: 1519 return ata_raid_hptv3_write_meta(rdp); 1520 1521 case AR_F_ADAPTEC_RAID: 1522 return ata_raid_adaptec_write_meta(rdp); 1523 1524 case AR_F_ITE_RAID: 1525 return ata_raid_ite_write_meta(rdp); 1526 1527 case AR_F_LSIV2_RAID: 1528 return ata_raid_lsiv2_write_meta(rdp); 1529 1530 case AR_F_LSIV3_RAID: 1531 return ata_raid_lsiv3_write_meta(rdp); 1532 1533 case AR_F_NVIDIA_RAID: 1534 return ata_raid_nvidia_write_meta(rdp); 1535 1536 case AR_F_SII_RAID: 1537 return ata_raid_sii_write_meta(rdp); 1538 1539 #endif 1540 default: 1541 kprintf("ar%d: writing of %s metadata is NOT supported yet\n", 1542 rdp->lun, ata_raid_format(rdp)); 1543 } 1544 return -1; 1545 } 1546 1547 static int 1548 ata_raid_wipe_metadata(struct ar_softc *rdp) 1549 { 1550 int disk, error = 0; 1551 u_int64_t lba; 1552 u_int32_t size; 1553 u_int8_t *meta; 1554 1555 for (disk = 0; disk < rdp->total_disks; disk++) { 1556 if (rdp->disks[disk].dev) { 1557 switch (rdp->format) { 1558 case AR_F_ADAPTEC_RAID: 1559 lba = ADP_LBA(rdp->disks[disk].dev); 1560 size = sizeof(struct adaptec_raid_conf); 1561 break; 1562 1563 case AR_F_HPTV2_RAID: 1564 lba = HPTV2_LBA(rdp->disks[disk].dev); 1565 size = sizeof(struct hptv2_raid_conf); 1566 break; 1567 1568 case AR_F_HPTV3_RAID: 1569 lba = HPTV3_LBA(rdp->disks[disk].dev); 1570 size = sizeof(struct hptv3_raid_conf); 1571 break; 1572 1573 case AR_F_INTEL_RAID: 1574 lba = INTEL_LBA(rdp->disks[disk].dev); 1575 size = 3 * 512; /* XXX SOS */ 1576 break; 1577 1578 case AR_F_ITE_RAID: 1579 lba = ITE_LBA(rdp->disks[disk].dev); 1580 size = sizeof(struct ite_raid_conf); 1581 break; 1582 1583 case AR_F_JMICRON_RAID: 1584 lba = JMICRON_LBA(rdp->disks[disk].dev); 1585 size = sizeof(struct jmicron_raid_conf); 1586 break; 1587 1588 case AR_F_LSIV2_RAID: 1589 lba = LSIV2_LBA(rdp->disks[disk].dev); 1590 size = sizeof(struct lsiv2_raid_conf); 1591 break; 1592 1593 case AR_F_LSIV3_RAID: 1594 lba = LSIV3_LBA(rdp->disks[disk].dev); 1595 size = sizeof(struct lsiv3_raid_conf); 1596 break; 1597 1598 case AR_F_NVIDIA_RAID: 1599 lba = NVIDIA_LBA(rdp->disks[disk].dev); 1600 size = sizeof(struct nvidia_raid_conf); 1601 break; 1602 1603 case AR_F_FREEBSD_RAID: 1604 case AR_F_PROMISE_RAID: 1605 lba = PROMISE_LBA(rdp->disks[disk].dev); 1606 size = sizeof(struct promise_raid_conf); 1607 break; 1608 1609 case AR_F_SII_RAID: 1610 lba = SII_LBA(rdp->disks[disk].dev); 1611 size = sizeof(struct sii_raid_conf); 1612 break; 1613 1614 case AR_F_SIS_RAID: 1615 lba = SIS_LBA(rdp->disks[disk].dev); 1616 size = sizeof(struct sis_raid_conf); 1617 break; 1618 1619 case AR_F_VIA_RAID: 1620 lba = VIA_LBA(rdp->disks[disk].dev); 1621 size = sizeof(struct via_raid_conf); 1622 break; 1623 1624 default: 1625 kprintf("ar%d: wiping of %s metadata is NOT supported yet\n", 1626 rdp->lun, ata_raid_format(rdp)); 1627 return ENXIO; 1628 } 1629 meta = kmalloc(size, M_AR, M_WAITOK | M_ZERO); 1630 if (ata_raid_rw(rdp->disks[disk].dev, lba, meta, size, 1631 ATA_R_WRITE | ATA_R_DIRECT)) { 1632 device_printf(rdp->disks[disk].dev, "wipe metadata failed\n"); 1633 error = EIO; 1634 } 1635 kfree(meta, M_AR); 1636 } 1637 } 1638 return error; 1639 } 1640 1641 /* Adaptec HostRAID Metadata */ 1642 static int 1643 ata_raid_adaptec_read_meta(device_t dev, struct ar_softc **raidp) 1644 { 1645 struct ata_raid_subdisk *ars = device_get_softc(dev); 1646 device_t parent = device_get_parent(dev); 1647 struct adaptec_raid_conf *meta; 1648 struct ar_softc *raid; 1649 int array, disk, retval = 0; 1650 1651 meta = (struct adaptec_raid_conf *) 1652 kmalloc(sizeof(struct adaptec_raid_conf), M_AR, M_WAITOK | M_ZERO); 1653 1654 if (ata_raid_rw(parent, ADP_LBA(parent), 1655 meta, sizeof(struct adaptec_raid_conf), ATA_R_READ)) { 1656 if (testing || bootverbose) 1657 device_printf(parent, "Adaptec read metadata failed\n"); 1658 goto adaptec_out; 1659 } 1660 1661 /* check if this is a Adaptec RAID struct */ 1662 if (meta->magic_0 != ADP_MAGIC_0 || meta->magic_3 != ADP_MAGIC_3) { 1663 if (testing || bootverbose) 1664 device_printf(parent, "Adaptec check1 failed\n"); 1665 goto adaptec_out; 1666 } 1667 1668 if (testing || bootverbose) 1669 ata_raid_adaptec_print_meta(meta); 1670 1671 /* now convert Adaptec metadata into our generic form */ 1672 for (array = 0; array < MAX_ARRAYS; array++) { 1673 if (!raidp[array]) { 1674 raidp[array] = 1675 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 1676 M_WAITOK | M_ZERO); 1677 } 1678 raid = raidp[array]; 1679 if (raid->format && (raid->format != AR_F_ADAPTEC_RAID)) 1680 continue; 1681 1682 if (raid->magic_0 && raid->magic_0 != meta->configs[0].magic_0) 1683 continue; 1684 1685 if (!meta->generation || be32toh(meta->generation) > raid->generation) { 1686 switch (meta->configs[0].type) { 1687 case ADP_T_RAID0: 1688 raid->magic_0 = meta->configs[0].magic_0; 1689 raid->type = AR_T_RAID0; 1690 raid->interleave = 1 << (meta->configs[0].stripe_shift >> 1); 1691 raid->width = be16toh(meta->configs[0].total_disks); 1692 break; 1693 1694 case ADP_T_RAID1: 1695 raid->magic_0 = meta->configs[0].magic_0; 1696 raid->type = AR_T_RAID1; 1697 raid->width = be16toh(meta->configs[0].total_disks) / 2; 1698 break; 1699 1700 default: 1701 device_printf(parent, "Adaptec unknown RAID type 0x%02x\n", 1702 meta->configs[0].type); 1703 kfree(raidp[array], M_AR); 1704 raidp[array] = NULL; 1705 goto adaptec_out; 1706 } 1707 1708 raid->format = AR_F_ADAPTEC_RAID; 1709 raid->generation = be32toh(meta->generation); 1710 raid->total_disks = be16toh(meta->configs[0].total_disks); 1711 raid->total_sectors = be32toh(meta->configs[0].sectors); 1712 raid->heads = 255; 1713 raid->sectors = 63; 1714 raid->cylinders = raid->total_sectors / (63 * 255); 1715 raid->offset_sectors = 0; 1716 raid->rebuild_lba = 0; 1717 raid->lun = array; 1718 strncpy(raid->name, meta->configs[0].name, 1719 min(sizeof(raid->name), sizeof(meta->configs[0].name))); 1720 1721 /* clear out any old info */ 1722 if (raid->generation) { 1723 for (disk = 0; disk < raid->total_disks; disk++) { 1724 raid->disks[disk].dev = NULL; 1725 raid->disks[disk].flags = 0; 1726 } 1727 } 1728 } 1729 if (be32toh(meta->generation) >= raid->generation) { 1730 struct ata_device *atadev = device_get_softc(parent); 1731 struct ata_channel *ch = device_get_softc(GRANDPARENT(dev)); 1732 int disk_number = (ch->unit << !(ch->flags & ATA_NO_SLAVE)) + 1733 ATA_DEV(atadev->unit); 1734 1735 raid->disks[disk_number].dev = parent; 1736 raid->disks[disk_number].sectors = 1737 be32toh(meta->configs[disk_number + 1].sectors); 1738 raid->disks[disk_number].flags = 1739 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 1740 ars->raid[raid->volume] = raid; 1741 ars->disk_number[raid->volume] = disk_number; 1742 retval = 1; 1743 } 1744 break; 1745 } 1746 1747 adaptec_out: 1748 kfree(meta, M_AR); 1749 return retval; 1750 } 1751 1752 /* Highpoint V2 RocketRAID Metadata */ 1753 static int 1754 ata_raid_hptv2_read_meta(device_t dev, struct ar_softc **raidp) 1755 { 1756 struct ata_raid_subdisk *ars = device_get_softc(dev); 1757 device_t parent = device_get_parent(dev); 1758 struct hptv2_raid_conf *meta; 1759 struct ar_softc *raid = NULL; 1760 int array, disk_number = 0, retval = 0; 1761 1762 meta = (struct hptv2_raid_conf *)kmalloc(sizeof(struct hptv2_raid_conf), 1763 M_AR, M_WAITOK | M_ZERO); 1764 1765 if (ata_raid_rw(parent, HPTV2_LBA(parent), 1766 meta, sizeof(struct hptv2_raid_conf), ATA_R_READ)) { 1767 if (testing || bootverbose) 1768 device_printf(parent, "HighPoint (v2) read metadata failed\n"); 1769 goto hptv2_out; 1770 } 1771 1772 /* check if this is a HighPoint v2 RAID struct */ 1773 if (meta->magic != HPTV2_MAGIC_OK && meta->magic != HPTV2_MAGIC_BAD) { 1774 if (testing || bootverbose) 1775 device_printf(parent, "HighPoint (v2) check1 failed\n"); 1776 goto hptv2_out; 1777 } 1778 1779 /* is this disk defined, or an old leftover/spare ? */ 1780 if (!meta->magic_0) { 1781 if (testing || bootverbose) 1782 device_printf(parent, "HighPoint (v2) check2 failed\n"); 1783 goto hptv2_out; 1784 } 1785 1786 if (testing || bootverbose) 1787 ata_raid_hptv2_print_meta(meta); 1788 1789 /* now convert HighPoint (v2) metadata into our generic form */ 1790 for (array = 0; array < MAX_ARRAYS; array++) { 1791 if (!raidp[array]) { 1792 raidp[array] = 1793 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 1794 M_WAITOK | M_ZERO); 1795 } 1796 raid = raidp[array]; 1797 if (raid->format && (raid->format != AR_F_HPTV2_RAID)) 1798 continue; 1799 1800 switch (meta->type) { 1801 case HPTV2_T_RAID0: 1802 if ((meta->order & (HPTV2_O_RAID0|HPTV2_O_OK)) == 1803 (HPTV2_O_RAID0|HPTV2_O_OK)) 1804 goto highpoint_raid1; 1805 if (meta->order & (HPTV2_O_RAID0 | HPTV2_O_RAID1)) 1806 goto highpoint_raid01; 1807 if (raid->magic_0 && raid->magic_0 != meta->magic_0) 1808 continue; 1809 raid->magic_0 = meta->magic_0; 1810 raid->type = AR_T_RAID0; 1811 raid->interleave = 1 << meta->stripe_shift; 1812 disk_number = meta->disk_number; 1813 if (!(meta->order & HPTV2_O_OK)) 1814 meta->magic = 0; /* mark bad */ 1815 break; 1816 1817 case HPTV2_T_RAID1: 1818 highpoint_raid1: 1819 if (raid->magic_0 && raid->magic_0 != meta->magic_0) 1820 continue; 1821 raid->magic_0 = meta->magic_0; 1822 raid->type = AR_T_RAID1; 1823 disk_number = (meta->disk_number > 0); 1824 break; 1825 1826 case HPTV2_T_RAID01_RAID0: 1827 highpoint_raid01: 1828 if (meta->order & HPTV2_O_RAID0) { 1829 if ((raid->magic_0 && raid->magic_0 != meta->magic_0) || 1830 (raid->magic_1 && raid->magic_1 != meta->magic_1)) 1831 continue; 1832 raid->magic_0 = meta->magic_0; 1833 raid->magic_1 = meta->magic_1; 1834 raid->type = AR_T_RAID01; 1835 raid->interleave = 1 << meta->stripe_shift; 1836 disk_number = meta->disk_number; 1837 } 1838 else { 1839 if (raid->magic_1 && raid->magic_1 != meta->magic_1) 1840 continue; 1841 raid->magic_1 = meta->magic_1; 1842 raid->type = AR_T_RAID01; 1843 raid->interleave = 1 << meta->stripe_shift; 1844 disk_number = meta->disk_number + meta->array_width; 1845 if (!(meta->order & HPTV2_O_RAID1)) 1846 meta->magic = 0; /* mark bad */ 1847 } 1848 break; 1849 1850 case HPTV2_T_SPAN: 1851 if (raid->magic_0 && raid->magic_0 != meta->magic_0) 1852 continue; 1853 raid->magic_0 = meta->magic_0; 1854 raid->type = AR_T_SPAN; 1855 disk_number = meta->disk_number; 1856 break; 1857 1858 default: 1859 device_printf(parent, "Highpoint (v2) unknown RAID type 0x%02x\n", 1860 meta->type); 1861 kfree(raidp[array], M_AR); 1862 raidp[array] = NULL; 1863 goto hptv2_out; 1864 } 1865 1866 raid->format |= AR_F_HPTV2_RAID; 1867 raid->disks[disk_number].dev = parent; 1868 raid->disks[disk_number].flags = (AR_DF_PRESENT | AR_DF_ASSIGNED); 1869 raid->lun = array; 1870 strncpy(raid->name, meta->name_1, 1871 min(sizeof(raid->name), sizeof(meta->name_1))); 1872 if (meta->magic == HPTV2_MAGIC_OK) { 1873 raid->disks[disk_number].flags |= AR_DF_ONLINE; 1874 raid->width = meta->array_width; 1875 raid->total_sectors = meta->total_sectors; 1876 raid->heads = 255; 1877 raid->sectors = 63; 1878 raid->cylinders = raid->total_sectors / (63 * 255); 1879 raid->offset_sectors = HPTV2_LBA(parent) + 1; 1880 raid->rebuild_lba = meta->rebuild_lba; 1881 raid->disks[disk_number].sectors = 1882 raid->total_sectors / raid->width; 1883 } 1884 else 1885 raid->disks[disk_number].flags &= ~AR_DF_ONLINE; 1886 1887 if ((raid->type & AR_T_RAID0) && (raid->total_disks < raid->width)) 1888 raid->total_disks = raid->width; 1889 if (disk_number >= raid->total_disks) 1890 raid->total_disks = disk_number + 1; 1891 ars->raid[raid->volume] = raid; 1892 ars->disk_number[raid->volume] = disk_number; 1893 retval = 1; 1894 break; 1895 } 1896 1897 hptv2_out: 1898 kfree(meta, M_AR); 1899 return retval; 1900 } 1901 1902 static int 1903 ata_raid_hptv2_write_meta(struct ar_softc *rdp) 1904 { 1905 struct hptv2_raid_conf *meta; 1906 struct timeval timestamp; 1907 int disk, error = 0; 1908 1909 meta = (struct hptv2_raid_conf *)kmalloc(sizeof(struct hptv2_raid_conf), 1910 M_AR, M_WAITOK | M_ZERO); 1911 1912 microtime(×tamp); 1913 rdp->magic_0 = timestamp.tv_sec + 2; 1914 rdp->magic_1 = timestamp.tv_sec; 1915 1916 for (disk = 0; disk < rdp->total_disks; disk++) { 1917 if ((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) == 1918 (AR_DF_PRESENT | AR_DF_ONLINE)) 1919 meta->magic = HPTV2_MAGIC_OK; 1920 if (rdp->disks[disk].flags & AR_DF_ASSIGNED) { 1921 meta->magic_0 = rdp->magic_0; 1922 if (strlen(rdp->name)) 1923 strncpy(meta->name_1, rdp->name, sizeof(meta->name_1)); 1924 else 1925 strcpy(meta->name_1, "FreeBSD"); 1926 } 1927 meta->disk_number = disk; 1928 1929 switch (rdp->type) { 1930 case AR_T_RAID0: 1931 meta->type = HPTV2_T_RAID0; 1932 strcpy(meta->name_2, "RAID 0"); 1933 if (rdp->disks[disk].flags & AR_DF_ONLINE) 1934 meta->order = HPTV2_O_OK; 1935 break; 1936 1937 case AR_T_RAID1: 1938 meta->type = HPTV2_T_RAID0; 1939 strcpy(meta->name_2, "RAID 1"); 1940 meta->disk_number = (disk < rdp->width) ? disk : disk + 5; 1941 meta->order = HPTV2_O_RAID0 | HPTV2_O_OK; 1942 break; 1943 1944 case AR_T_RAID01: 1945 meta->type = HPTV2_T_RAID01_RAID0; 1946 strcpy(meta->name_2, "RAID 0+1"); 1947 if (rdp->disks[disk].flags & AR_DF_ONLINE) { 1948 if (disk < rdp->width) { 1949 meta->order = (HPTV2_O_RAID0 | HPTV2_O_RAID1); 1950 meta->magic_0 = rdp->magic_0 - 1; 1951 } 1952 else { 1953 meta->order = HPTV2_O_RAID1; 1954 meta->disk_number -= rdp->width; 1955 } 1956 } 1957 else 1958 meta->magic_0 = rdp->magic_0 - 1; 1959 meta->magic_1 = rdp->magic_1; 1960 break; 1961 1962 case AR_T_SPAN: 1963 meta->type = HPTV2_T_SPAN; 1964 strcpy(meta->name_2, "SPAN"); 1965 break; 1966 default: 1967 kfree(meta, M_AR); 1968 return ENODEV; 1969 } 1970 1971 meta->array_width = rdp->width; 1972 meta->stripe_shift = (rdp->width > 1) ? (ffs(rdp->interleave)-1) : 0; 1973 meta->total_sectors = rdp->total_sectors; 1974 meta->rebuild_lba = rdp->rebuild_lba; 1975 if (testing || bootverbose) 1976 ata_raid_hptv2_print_meta(meta); 1977 if (rdp->disks[disk].dev) { 1978 if (ata_raid_rw(rdp->disks[disk].dev, 1979 HPTV2_LBA(rdp->disks[disk].dev), meta, 1980 sizeof(struct promise_raid_conf), 1981 ATA_R_WRITE | ATA_R_DIRECT)) { 1982 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 1983 error = EIO; 1984 } 1985 } 1986 } 1987 kfree(meta, M_AR); 1988 return error; 1989 } 1990 1991 /* Highpoint V3 RocketRAID Metadata */ 1992 static int 1993 ata_raid_hptv3_read_meta(device_t dev, struct ar_softc **raidp) 1994 { 1995 struct ata_raid_subdisk *ars = device_get_softc(dev); 1996 device_t parent = device_get_parent(dev); 1997 struct hptv3_raid_conf *meta; 1998 struct ar_softc *raid = NULL; 1999 int array, disk_number, retval = 0; 2000 2001 meta = (struct hptv3_raid_conf *)kmalloc(sizeof(struct hptv3_raid_conf), 2002 M_AR, M_WAITOK | M_ZERO); 2003 2004 if (ata_raid_rw(parent, HPTV3_LBA(parent), 2005 meta, sizeof(struct hptv3_raid_conf), ATA_R_READ)) { 2006 if (testing || bootverbose) 2007 device_printf(parent, "HighPoint (v3) read metadata failed\n"); 2008 goto hptv3_out; 2009 } 2010 2011 /* check if this is a HighPoint v3 RAID struct */ 2012 if (meta->magic != HPTV3_MAGIC) { 2013 if (testing || bootverbose) 2014 device_printf(parent, "HighPoint (v3) check1 failed\n"); 2015 goto hptv3_out; 2016 } 2017 2018 /* check if there are any config_entries */ 2019 if (meta->config_entries < 1) { 2020 if (testing || bootverbose) 2021 device_printf(parent, "HighPoint (v3) check2 failed\n"); 2022 goto hptv3_out; 2023 } 2024 2025 if (testing || bootverbose) 2026 ata_raid_hptv3_print_meta(meta); 2027 2028 /* now convert HighPoint (v3) metadata into our generic form */ 2029 for (array = 0; array < MAX_ARRAYS; array++) { 2030 if (!raidp[array]) { 2031 raidp[array] = 2032 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2033 M_WAITOK | M_ZERO); 2034 } 2035 raid = raidp[array]; 2036 if (raid->format && (raid->format != AR_F_HPTV3_RAID)) 2037 continue; 2038 2039 if ((raid->format & AR_F_HPTV3_RAID) && raid->magic_0 != meta->magic_0) 2040 continue; 2041 2042 switch (meta->configs[0].type) { 2043 case HPTV3_T_RAID0: 2044 raid->type = AR_T_RAID0; 2045 raid->width = meta->configs[0].total_disks; 2046 disk_number = meta->configs[0].disk_number; 2047 break; 2048 2049 case HPTV3_T_RAID1: 2050 raid->type = AR_T_RAID1; 2051 raid->width = meta->configs[0].total_disks / 2; 2052 disk_number = meta->configs[0].disk_number; 2053 break; 2054 2055 case HPTV3_T_RAID5: 2056 raid->type = AR_T_RAID5; 2057 raid->width = meta->configs[0].total_disks; 2058 disk_number = meta->configs[0].disk_number; 2059 break; 2060 2061 case HPTV3_T_SPAN: 2062 raid->type = AR_T_SPAN; 2063 raid->width = meta->configs[0].total_disks; 2064 disk_number = meta->configs[0].disk_number; 2065 break; 2066 2067 default: 2068 device_printf(parent, "Highpoint (v3) unknown RAID type 0x%02x\n", 2069 meta->configs[0].type); 2070 kfree(raidp[array], M_AR); 2071 raidp[array] = NULL; 2072 goto hptv3_out; 2073 } 2074 if (meta->config_entries == 2) { 2075 switch (meta->configs[1].type) { 2076 case HPTV3_T_RAID1: 2077 if (raid->type == AR_T_RAID0) { 2078 raid->type = AR_T_RAID01; 2079 disk_number = meta->configs[1].disk_number + 2080 (meta->configs[0].disk_number << 1); 2081 break; 2082 } 2083 default: 2084 device_printf(parent, "Highpoint (v3) unknown level 2 0x%02x\n", 2085 meta->configs[1].type); 2086 kfree(raidp[array], M_AR); 2087 raidp[array] = NULL; 2088 goto hptv3_out; 2089 } 2090 } 2091 2092 raid->magic_0 = meta->magic_0; 2093 raid->format = AR_F_HPTV3_RAID; 2094 raid->generation = meta->timestamp; 2095 raid->interleave = 1 << meta->configs[0].stripe_shift; 2096 raid->total_disks = meta->configs[0].total_disks + 2097 meta->configs[1].total_disks; 2098 raid->total_sectors = meta->configs[0].total_sectors + 2099 ((u_int64_t)meta->configs_high[0].total_sectors << 32); 2100 raid->heads = 255; 2101 raid->sectors = 63; 2102 raid->cylinders = raid->total_sectors / (63 * 255); 2103 raid->offset_sectors = 0; 2104 raid->rebuild_lba = meta->configs[0].rebuild_lba + 2105 ((u_int64_t)meta->configs_high[0].rebuild_lba << 32); 2106 raid->lun = array; 2107 strncpy(raid->name, meta->name, 2108 min(sizeof(raid->name), sizeof(meta->name))); 2109 raid->disks[disk_number].sectors = raid->total_sectors / 2110 (raid->type == AR_T_RAID5 ? raid->width - 1 : raid->width); 2111 raid->disks[disk_number].dev = parent; 2112 raid->disks[disk_number].flags = 2113 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 2114 ars->raid[raid->volume] = raid; 2115 ars->disk_number[raid->volume] = disk_number; 2116 retval = 1; 2117 break; 2118 } 2119 2120 hptv3_out: 2121 kfree(meta, M_AR); 2122 return retval; 2123 } 2124 2125 /* Intel MatrixRAID Metadata */ 2126 static int 2127 ata_raid_intel_read_meta(device_t dev, struct ar_softc **raidp) 2128 { 2129 struct ata_raid_subdisk *ars = device_get_softc(dev); 2130 device_t parent = device_get_parent(dev); 2131 struct intel_raid_conf *meta; 2132 struct intel_raid_mapping *map; 2133 struct ar_softc *raid = NULL; 2134 u_int32_t checksum, *ptr; 2135 int array, count, disk, volume = 1, retval = 0; 2136 char *tmp; 2137 2138 meta = (struct intel_raid_conf *)kmalloc(1536, M_AR, M_WAITOK | M_ZERO); 2139 2140 if (ata_raid_rw(parent, INTEL_LBA(parent), meta, 1024, ATA_R_READ)) { 2141 if (testing || bootverbose) 2142 device_printf(parent, "Intel read metadata failed\n"); 2143 goto intel_out; 2144 } 2145 tmp = (char *)meta; 2146 bcopy(tmp, tmp+1024, 512); 2147 bcopy(tmp+512, tmp, 1024); 2148 bzero(tmp+1024, 512); 2149 2150 /* check if this is a Intel RAID struct */ 2151 if (strncmp(meta->intel_id, INTEL_MAGIC, strlen(INTEL_MAGIC))) { 2152 if (testing || bootverbose) 2153 device_printf(parent, "Intel check1 failed\n"); 2154 goto intel_out; 2155 } 2156 2157 for (checksum = 0, ptr = (u_int32_t *)meta, count = 0; 2158 count < (meta->config_size / sizeof(u_int32_t)); count++) { 2159 checksum += *ptr++; 2160 } 2161 checksum -= meta->checksum; 2162 if (checksum != meta->checksum) { 2163 if (testing || bootverbose) 2164 device_printf(parent, "Intel check2 failed\n"); 2165 goto intel_out; 2166 } 2167 2168 if (testing || bootverbose) 2169 ata_raid_intel_print_meta(meta); 2170 2171 map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks]; 2172 2173 /* now convert Intel metadata into our generic form */ 2174 for (array = 0; array < MAX_ARRAYS; array++) { 2175 if (!raidp[array]) { 2176 raidp[array] = 2177 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2178 M_WAITOK | M_ZERO); 2179 } 2180 raid = raidp[array]; 2181 if (raid->format && (raid->format != AR_F_INTEL_RAID)) 2182 continue; 2183 2184 if ((raid->format & AR_F_INTEL_RAID) && 2185 (raid->magic_0 != meta->config_id)) 2186 continue; 2187 2188 /* 2189 * update our knowledge about the array config based on generation 2190 * NOTE: there can be multiple volumes on a disk set 2191 */ 2192 if (!meta->generation || meta->generation > raid->generation) { 2193 switch (map->type) { 2194 case INTEL_T_RAID0: 2195 raid->type = AR_T_RAID0; 2196 raid->width = map->total_disks; 2197 break; 2198 2199 case INTEL_T_RAID1: 2200 if (map->total_disks == 4) 2201 raid->type = AR_T_RAID01; 2202 else 2203 raid->type = AR_T_RAID1; 2204 raid->width = map->total_disks / 2; 2205 break; 2206 2207 case INTEL_T_RAID5: 2208 raid->type = AR_T_RAID5; 2209 raid->width = map->total_disks; 2210 break; 2211 2212 default: 2213 device_printf(parent, "Intel unknown RAID type 0x%02x\n", 2214 map->type); 2215 kfree(raidp[array], M_AR); 2216 raidp[array] = NULL; 2217 goto intel_out; 2218 } 2219 2220 switch (map->status) { 2221 case INTEL_S_READY: 2222 raid->status = AR_S_READY; 2223 break; 2224 case INTEL_S_DEGRADED: 2225 raid->status |= AR_S_DEGRADED; 2226 break; 2227 case INTEL_S_DISABLED: 2228 case INTEL_S_FAILURE: 2229 raid->status = 0; 2230 } 2231 2232 raid->magic_0 = meta->config_id; 2233 raid->format = AR_F_INTEL_RAID; 2234 raid->generation = meta->generation; 2235 raid->interleave = map->stripe_sectors; 2236 raid->total_disks = map->total_disks; 2237 raid->total_sectors = map->total_sectors; 2238 raid->heads = 255; 2239 raid->sectors = 63; 2240 raid->cylinders = raid->total_sectors / (63 * 255); 2241 raid->offset_sectors = map->offset; 2242 raid->rebuild_lba = 0; 2243 raid->lun = array; 2244 raid->volume = volume - 1; 2245 strncpy(raid->name, map->name, 2246 min(sizeof(raid->name), sizeof(map->name))); 2247 2248 /* clear out any old info */ 2249 for (disk = 0; disk < raid->total_disks; disk++) { 2250 u_int disk_idx = map->disk_idx[disk] & 0xffff; 2251 2252 raid->disks[disk].dev = NULL; 2253 bcopy(meta->disk[disk_idx].serial, 2254 raid->disks[disk].serial, 2255 sizeof(raid->disks[disk].serial)); 2256 raid->disks[disk].sectors = 2257 meta->disk[disk_idx].sectors; 2258 raid->disks[disk].flags = 0; 2259 if (meta->disk[disk_idx].flags & INTEL_F_ONLINE) 2260 raid->disks[disk].flags |= AR_DF_ONLINE; 2261 if (meta->disk[disk_idx].flags & INTEL_F_ASSIGNED) 2262 raid->disks[disk].flags |= AR_DF_ASSIGNED; 2263 if (meta->disk[disk_idx].flags & INTEL_F_SPARE) { 2264 raid->disks[disk].flags &= ~(AR_DF_ONLINE | AR_DF_ASSIGNED); 2265 raid->disks[disk].flags |= AR_DF_SPARE; 2266 } 2267 if (meta->disk[disk_idx].flags & INTEL_F_DOWN) 2268 raid->disks[disk].flags &= ~AR_DF_ONLINE; 2269 } 2270 } 2271 if (meta->generation >= raid->generation) { 2272 for (disk = 0; disk < raid->total_disks; disk++) { 2273 struct ata_device *atadev = device_get_softc(parent); 2274 int len; 2275 2276 for (len = 0; len < sizeof(atadev->param.serial); len++) { 2277 if (atadev->param.serial[len] < 0x20) 2278 break; 2279 } 2280 len = (len > sizeof(raid->disks[disk].serial)) ? 2281 len - sizeof(raid->disks[disk].serial) : 0; 2282 if (!strncmp(raid->disks[disk].serial, atadev->param.serial + len, 2283 sizeof(raid->disks[disk].serial))) { 2284 raid->disks[disk].dev = parent; 2285 raid->disks[disk].flags |= (AR_DF_PRESENT | AR_DF_ONLINE); 2286 ars->raid[raid->volume] = raid; 2287 ars->disk_number[raid->volume] = disk; 2288 retval = 1; 2289 } 2290 } 2291 } 2292 else 2293 goto intel_out; 2294 2295 if (retval) { 2296 if (volume < meta->total_volumes) { 2297 map = (struct intel_raid_mapping *) 2298 &map->disk_idx[map->total_disks]; 2299 volume++; 2300 retval = 0; 2301 continue; 2302 } 2303 break; 2304 } 2305 else { 2306 kfree(raidp[array], M_AR); 2307 raidp[array] = NULL; 2308 if (volume == 2) 2309 retval = 1; 2310 } 2311 } 2312 2313 intel_out: 2314 kfree(meta, M_AR); 2315 return retval; 2316 } 2317 2318 static int 2319 ata_raid_intel_write_meta(struct ar_softc *rdp) 2320 { 2321 struct intel_raid_conf *meta; 2322 struct intel_raid_mapping *map; 2323 struct timeval timestamp; 2324 u_int32_t checksum, *ptr; 2325 int count, disk, error = 0; 2326 char *tmp; 2327 2328 meta = (struct intel_raid_conf *)kmalloc(1536, M_AR, M_WAITOK | M_ZERO); 2329 2330 rdp->generation++; 2331 2332 /* Generate a new config_id if none exists */ 2333 if (!rdp->magic_0) { 2334 microtime(×tamp); 2335 rdp->magic_0 = timestamp.tv_sec ^ timestamp.tv_usec; 2336 } 2337 2338 bcopy(INTEL_MAGIC, meta->intel_id, sizeof(meta->intel_id)); 2339 bcopy(INTEL_VERSION_1100, meta->version, sizeof(meta->version)); 2340 meta->config_id = rdp->magic_0; 2341 meta->generation = rdp->generation; 2342 meta->total_disks = rdp->total_disks; 2343 meta->total_volumes = 1; /* XXX SOS */ 2344 for (disk = 0; disk < rdp->total_disks; disk++) { 2345 if (rdp->disks[disk].dev) { 2346 struct ata_channel *ch = 2347 device_get_softc(device_get_parent(rdp->disks[disk].dev)); 2348 struct ata_device *atadev = 2349 device_get_softc(rdp->disks[disk].dev); 2350 int len; 2351 2352 for (len = 0; len < sizeof(atadev->param.serial); len++) { 2353 if (atadev->param.serial[len] < 0x20) 2354 break; 2355 } 2356 len = (len > sizeof(rdp->disks[disk].serial)) ? 2357 len - sizeof(rdp->disks[disk].serial) : 0; 2358 bcopy(atadev->param.serial + len, meta->disk[disk].serial, 2359 sizeof(rdp->disks[disk].serial)); 2360 meta->disk[disk].sectors = rdp->disks[disk].sectors; 2361 meta->disk[disk].id = (ch->unit << 16) | ATA_DEV(atadev->unit); 2362 } 2363 else 2364 meta->disk[disk].sectors = rdp->total_sectors / rdp->width; 2365 meta->disk[disk].flags = 0; 2366 if (rdp->disks[disk].flags & AR_DF_SPARE) 2367 meta->disk[disk].flags |= INTEL_F_SPARE; 2368 else { 2369 if (rdp->disks[disk].flags & AR_DF_ONLINE) 2370 meta->disk[disk].flags |= INTEL_F_ONLINE; 2371 else 2372 meta->disk[disk].flags |= INTEL_F_DOWN; 2373 if (rdp->disks[disk].flags & AR_DF_ASSIGNED) 2374 meta->disk[disk].flags |= INTEL_F_ASSIGNED; 2375 } 2376 } 2377 map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks]; 2378 2379 bcopy(rdp->name, map->name, sizeof(rdp->name)); 2380 map->total_sectors = rdp->total_sectors; 2381 map->state = 12; /* XXX SOS */ 2382 map->offset = rdp->offset_sectors; 2383 map->stripe_count = rdp->total_sectors / (rdp->interleave*rdp->total_disks); 2384 map->stripe_sectors = rdp->interleave; 2385 map->disk_sectors = rdp->total_sectors / rdp->width; 2386 map->status = INTEL_S_READY; /* XXX SOS */ 2387 switch (rdp->type) { 2388 case AR_T_RAID0: 2389 map->type = INTEL_T_RAID0; 2390 break; 2391 case AR_T_RAID1: 2392 map->type = INTEL_T_RAID1; 2393 break; 2394 case AR_T_RAID01: 2395 map->type = INTEL_T_RAID1; 2396 break; 2397 case AR_T_RAID5: 2398 map->type = INTEL_T_RAID5; 2399 break; 2400 default: 2401 kfree(meta, M_AR); 2402 return ENODEV; 2403 } 2404 map->total_disks = rdp->total_disks; 2405 map->magic[0] = 0x02; 2406 map->magic[1] = 0xff; 2407 map->magic[2] = 0x01; 2408 for (disk = 0; disk < rdp->total_disks; disk++) 2409 map->disk_idx[disk] = disk; 2410 2411 meta->config_size = (char *)&map->disk_idx[disk] - (char *)meta; 2412 for (checksum = 0, ptr = (u_int32_t *)meta, count = 0; 2413 count < (meta->config_size / sizeof(u_int32_t)); count++) { 2414 checksum += *ptr++; 2415 } 2416 meta->checksum = checksum; 2417 2418 if (testing || bootverbose) 2419 ata_raid_intel_print_meta(meta); 2420 2421 tmp = (char *)meta; 2422 bcopy(tmp, tmp+1024, 512); 2423 bcopy(tmp+512, tmp, 1024); 2424 bzero(tmp+1024, 512); 2425 2426 for (disk = 0; disk < rdp->total_disks; disk++) { 2427 if (rdp->disks[disk].dev) { 2428 if (ata_raid_rw(rdp->disks[disk].dev, 2429 INTEL_LBA(rdp->disks[disk].dev), 2430 meta, 1024, ATA_R_WRITE | ATA_R_DIRECT)) { 2431 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 2432 error = EIO; 2433 } 2434 } 2435 } 2436 kfree(meta, M_AR); 2437 return error; 2438 } 2439 2440 2441 /* Integrated Technology Express Metadata */ 2442 static int 2443 ata_raid_ite_read_meta(device_t dev, struct ar_softc **raidp) 2444 { 2445 struct ata_raid_subdisk *ars = device_get_softc(dev); 2446 device_t parent = device_get_parent(dev); 2447 struct ite_raid_conf *meta; 2448 struct ar_softc *raid = NULL; 2449 int array, disk_number, count, retval = 0; 2450 u_int16_t *ptr; 2451 2452 meta = (struct ite_raid_conf *)kmalloc(sizeof(struct ite_raid_conf), M_AR, 2453 M_WAITOK | M_ZERO); 2454 2455 if (ata_raid_rw(parent, ITE_LBA(parent), 2456 meta, sizeof(struct ite_raid_conf), ATA_R_READ)) { 2457 if (testing || bootverbose) 2458 device_printf(parent, "ITE read metadata failed\n"); 2459 goto ite_out; 2460 } 2461 2462 /* check if this is a ITE RAID struct */ 2463 for (ptr = (u_int16_t *)meta->ite_id, count = 0; 2464 count < sizeof(meta->ite_id)/sizeof(uint16_t); count++) 2465 ptr[count] = be16toh(ptr[count]); 2466 2467 if (strncmp(meta->ite_id, ITE_MAGIC, strlen(ITE_MAGIC))) { 2468 if (testing || bootverbose) 2469 device_printf(parent, "ITE check1 failed\n"); 2470 goto ite_out; 2471 } 2472 2473 if (testing || bootverbose) 2474 ata_raid_ite_print_meta(meta); 2475 2476 /* now convert ITE metadata into our generic form */ 2477 for (array = 0; array < MAX_ARRAYS; array++) { 2478 if ((raid = raidp[array])) { 2479 if (raid->format != AR_F_ITE_RAID) 2480 continue; 2481 if (raid->magic_0 != *((u_int64_t *)meta->timestamp_0)) 2482 continue; 2483 } 2484 2485 /* if we dont have a disks timestamp the RAID is invalidated */ 2486 if (*((u_int64_t *)meta->timestamp_1) == 0) 2487 goto ite_out; 2488 2489 if (!raid) { 2490 raidp[array] = (struct ar_softc *)kmalloc(sizeof(struct ar_softc), 2491 M_AR, M_WAITOK | M_ZERO); 2492 } 2493 2494 switch (meta->type) { 2495 case ITE_T_RAID0: 2496 raid->type = AR_T_RAID0; 2497 raid->width = meta->array_width; 2498 raid->total_disks = meta->array_width; 2499 disk_number = meta->disk_number; 2500 break; 2501 2502 case ITE_T_RAID1: 2503 raid->type = AR_T_RAID1; 2504 raid->width = 1; 2505 raid->total_disks = 2; 2506 disk_number = meta->disk_number; 2507 break; 2508 2509 case ITE_T_RAID01: 2510 raid->type = AR_T_RAID01; 2511 raid->width = meta->array_width; 2512 raid->total_disks = 4; 2513 disk_number = ((meta->disk_number & 0x02) >> 1) | 2514 ((meta->disk_number & 0x01) << 1); 2515 break; 2516 2517 case ITE_T_SPAN: 2518 raid->type = AR_T_SPAN; 2519 raid->width = 1; 2520 raid->total_disks = meta->array_width; 2521 disk_number = meta->disk_number; 2522 break; 2523 2524 default: 2525 device_printf(parent, "ITE unknown RAID type 0x%02x\n", meta->type); 2526 kfree(raidp[array], M_AR); 2527 raidp[array] = NULL; 2528 goto ite_out; 2529 } 2530 2531 raid->magic_0 = *((u_int64_t *)meta->timestamp_0); 2532 raid->format = AR_F_ITE_RAID; 2533 raid->generation = 0; 2534 raid->interleave = meta->stripe_sectors; 2535 raid->total_sectors = meta->total_sectors; 2536 raid->heads = 255; 2537 raid->sectors = 63; 2538 raid->cylinders = raid->total_sectors / (63 * 255); 2539 raid->offset_sectors = 0; 2540 raid->rebuild_lba = 0; 2541 raid->lun = array; 2542 2543 raid->disks[disk_number].dev = parent; 2544 raid->disks[disk_number].sectors = raid->total_sectors / raid->width; 2545 raid->disks[disk_number].flags = 2546 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 2547 ars->raid[raid->volume] = raid; 2548 ars->disk_number[raid->volume] = disk_number; 2549 retval = 1; 2550 break; 2551 } 2552 ite_out: 2553 kfree(meta, M_AR); 2554 return retval; 2555 } 2556 2557 /* JMicron Technology Corp Metadata */ 2558 static int 2559 ata_raid_jmicron_read_meta(device_t dev, struct ar_softc **raidp) 2560 { 2561 struct ata_raid_subdisk *ars = device_get_softc(dev); 2562 device_t parent = device_get_parent(dev); 2563 struct jmicron_raid_conf *meta; 2564 struct ar_softc *raid = NULL; 2565 u_int16_t checksum, *ptr; 2566 u_int64_t disk_size; 2567 int count, array, disk, total_disks, retval = 0; 2568 2569 meta = (struct jmicron_raid_conf *) 2570 kmalloc(sizeof(struct jmicron_raid_conf), M_AR, M_WAITOK | M_ZERO); 2571 2572 if (ata_raid_rw(parent, JMICRON_LBA(parent), 2573 meta, sizeof(struct jmicron_raid_conf), ATA_R_READ)) { 2574 if (testing || bootverbose) 2575 device_printf(parent, 2576 "JMicron read metadata failed\n"); 2577 } 2578 2579 /* check for JMicron signature */ 2580 if (strncmp(meta->signature, JMICRON_MAGIC, 2)) { 2581 if (testing || bootverbose) 2582 device_printf(parent, "JMicron check1 failed\n"); 2583 goto jmicron_out; 2584 } 2585 2586 /* calculate checksum and compare for valid */ 2587 for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 64; count++) 2588 checksum += *ptr++; 2589 if (checksum) { 2590 if (testing || bootverbose) 2591 device_printf(parent, "JMicron check2 failed\n"); 2592 goto jmicron_out; 2593 } 2594 2595 if (testing || bootverbose) 2596 ata_raid_jmicron_print_meta(meta); 2597 2598 /* now convert JMicron meta into our generic form */ 2599 for (array = 0; array < MAX_ARRAYS; array++) { 2600 jmicron_next: 2601 if (!raidp[array]) { 2602 raidp[array] = 2603 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2604 M_WAITOK | M_ZERO); 2605 } 2606 raid = raidp[array]; 2607 if (raid->format && (raid->format != AR_F_JMICRON_RAID)) 2608 continue; 2609 2610 for (total_disks = 0, disk = 0; disk < JM_MAX_DISKS; disk++) { 2611 if (meta->disks[disk]) { 2612 if (raid->format == AR_F_JMICRON_RAID) { 2613 if (bcmp(&meta->disks[disk], 2614 raid->disks[disk].serial, sizeof(u_int32_t))) { 2615 array++; 2616 goto jmicron_next; 2617 } 2618 } 2619 else 2620 bcopy(&meta->disks[disk], 2621 raid->disks[disk].serial, sizeof(u_int32_t)); 2622 total_disks++; 2623 } 2624 } 2625 /* handle spares XXX SOS */ 2626 2627 switch (meta->type) { 2628 case JM_T_RAID0: 2629 raid->type = AR_T_RAID0; 2630 raid->width = total_disks; 2631 break; 2632 2633 case JM_T_RAID1: 2634 raid->type = AR_T_RAID1; 2635 raid->width = 1; 2636 break; 2637 2638 case JM_T_RAID01: 2639 raid->type = AR_T_RAID01; 2640 raid->width = total_disks / 2; 2641 break; 2642 2643 case JM_T_RAID5: 2644 raid->type = AR_T_RAID5; 2645 raid->width = total_disks; 2646 break; 2647 2648 case JM_T_JBOD: 2649 raid->type = AR_T_SPAN; 2650 raid->width = 1; 2651 break; 2652 2653 default: 2654 device_printf(parent, 2655 "JMicron unknown RAID type 0x%02x\n", meta->type); 2656 kfree(raidp[array], M_AR); 2657 raidp[array] = NULL; 2658 goto jmicron_out; 2659 } 2660 disk_size = (meta->disk_sectors_high << 16) + meta->disk_sectors_low; 2661 raid->format = AR_F_JMICRON_RAID; 2662 strncpy(raid->name, meta->name, sizeof(meta->name)); 2663 raid->generation = 0; 2664 raid->interleave = 2 << meta->stripe_shift; 2665 raid->total_disks = total_disks; 2666 raid->total_sectors = disk_size * (raid->width-(raid->type==AR_RAID5)); 2667 raid->heads = 255; 2668 raid->sectors = 63; 2669 raid->cylinders = raid->total_sectors / (63 * 255); 2670 raid->offset_sectors = meta->offset * 16; 2671 raid->rebuild_lba = 0; 2672 raid->lun = array; 2673 2674 for (disk = 0; disk < raid->total_disks; disk++) { 2675 if (meta->disks[disk] == meta->disk_id) { 2676 raid->disks[disk].dev = parent; 2677 raid->disks[disk].sectors = disk_size; 2678 raid->disks[disk].flags = 2679 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 2680 ars->raid[raid->volume] = raid; 2681 ars->disk_number[raid->volume] = disk; 2682 retval = 1; 2683 break; 2684 } 2685 } 2686 break; 2687 } 2688 jmicron_out: 2689 kfree(meta, M_AR); 2690 return retval; 2691 } 2692 2693 static int 2694 ata_raid_jmicron_write_meta(struct ar_softc *rdp) 2695 { 2696 struct jmicron_raid_conf *meta; 2697 u_int64_t disk_sectors; 2698 int disk, error = 0; 2699 2700 meta = (struct jmicron_raid_conf *) 2701 kmalloc(sizeof(struct jmicron_raid_conf), M_AR, M_WAITOK | M_ZERO); 2702 2703 rdp->generation++; 2704 switch (rdp->type) { 2705 case AR_T_JBOD: 2706 meta->type = JM_T_JBOD; 2707 break; 2708 2709 case AR_T_RAID0: 2710 meta->type = JM_T_RAID0; 2711 break; 2712 2713 case AR_T_RAID1: 2714 meta->type = JM_T_RAID1; 2715 break; 2716 2717 case AR_T_RAID5: 2718 meta->type = JM_T_RAID5; 2719 break; 2720 2721 case AR_T_RAID01: 2722 meta->type = JM_T_RAID01; 2723 break; 2724 2725 default: 2726 kfree(meta, M_AR); 2727 return ENODEV; 2728 } 2729 bcopy(JMICRON_MAGIC, meta->signature, sizeof(JMICRON_MAGIC)); 2730 meta->version = JMICRON_VERSION; 2731 meta->offset = rdp->offset_sectors / 16; 2732 disk_sectors = rdp->total_sectors / (rdp->width - (rdp->type == AR_RAID5)); 2733 meta->disk_sectors_low = disk_sectors & 0xffff; 2734 meta->disk_sectors_high = disk_sectors >> 16; 2735 strncpy(meta->name, rdp->name, sizeof(meta->name)); 2736 meta->stripe_shift = ffs(rdp->interleave) - 2; 2737 2738 for (disk = 0; disk < rdp->total_disks && disk < JM_MAX_DISKS; disk++) { 2739 if (rdp->disks[disk].serial[0]) 2740 bcopy(rdp->disks[disk].serial,&meta->disks[disk],sizeof(u_int32_t)); 2741 else 2742 meta->disks[disk] = (u_int32_t)(uintptr_t)rdp->disks[disk].dev; 2743 } 2744 2745 for (disk = 0; disk < rdp->total_disks; disk++) { 2746 if (rdp->disks[disk].dev) { 2747 u_int16_t checksum = 0, *ptr; 2748 int count; 2749 2750 meta->disk_id = meta->disks[disk]; 2751 meta->checksum = 0; 2752 for (ptr = (u_int16_t *)meta, count = 0; count < 64; count++) 2753 checksum += *ptr++; 2754 meta->checksum -= checksum; 2755 2756 if (testing || bootverbose) 2757 ata_raid_jmicron_print_meta(meta); 2758 2759 if (ata_raid_rw(rdp->disks[disk].dev, 2760 JMICRON_LBA(rdp->disks[disk].dev), 2761 meta, sizeof(struct jmicron_raid_conf), 2762 ATA_R_WRITE | ATA_R_DIRECT)) { 2763 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 2764 error = EIO; 2765 } 2766 } 2767 } 2768 /* handle spares XXX SOS */ 2769 2770 kfree(meta, M_AR); 2771 return error; 2772 } 2773 2774 /* LSILogic V2 MegaRAID Metadata */ 2775 static int 2776 ata_raid_lsiv2_read_meta(device_t dev, struct ar_softc **raidp) 2777 { 2778 struct ata_raid_subdisk *ars = device_get_softc(dev); 2779 device_t parent = device_get_parent(dev); 2780 struct lsiv2_raid_conf *meta; 2781 struct ar_softc *raid = NULL; 2782 int array, retval = 0; 2783 2784 meta = (struct lsiv2_raid_conf *)kmalloc(sizeof(struct lsiv2_raid_conf), 2785 M_AR, M_WAITOK | M_ZERO); 2786 2787 if (ata_raid_rw(parent, LSIV2_LBA(parent), 2788 meta, sizeof(struct lsiv2_raid_conf), ATA_R_READ)) { 2789 if (testing || bootverbose) 2790 device_printf(parent, "LSI (v2) read metadata failed\n"); 2791 goto lsiv2_out; 2792 } 2793 2794 /* check if this is a LSI RAID struct */ 2795 if (strncmp(meta->lsi_id, LSIV2_MAGIC, strlen(LSIV2_MAGIC))) { 2796 if (testing || bootverbose) 2797 device_printf(parent, "LSI (v2) check1 failed\n"); 2798 goto lsiv2_out; 2799 } 2800 2801 if (testing || bootverbose) 2802 ata_raid_lsiv2_print_meta(meta); 2803 2804 /* now convert LSI (v2) config meta into our generic form */ 2805 for (array = 0; array < MAX_ARRAYS; array++) { 2806 int raid_entry, conf_entry; 2807 2808 if (!raidp[array + meta->raid_number]) { 2809 raidp[array + meta->raid_number] = 2810 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2811 M_WAITOK | M_ZERO); 2812 } 2813 raid = raidp[array + meta->raid_number]; 2814 if (raid->format && (raid->format != AR_F_LSIV2_RAID)) 2815 continue; 2816 2817 if (raid->magic_0 && 2818 ((raid->magic_0 != meta->timestamp) || 2819 (raid->magic_1 != meta->raid_number))) 2820 continue; 2821 2822 array += meta->raid_number; 2823 2824 raid_entry = meta->raid_number; 2825 conf_entry = (meta->configs[raid_entry].raid.config_offset >> 4) + 2826 meta->disk_number - 1; 2827 2828 switch (meta->configs[raid_entry].raid.type) { 2829 case LSIV2_T_RAID0: 2830 raid->magic_0 = meta->timestamp; 2831 raid->magic_1 = meta->raid_number; 2832 raid->type = AR_T_RAID0; 2833 raid->interleave = meta->configs[raid_entry].raid.stripe_sectors; 2834 raid->width = meta->configs[raid_entry].raid.array_width; 2835 break; 2836 2837 case LSIV2_T_RAID1: 2838 raid->magic_0 = meta->timestamp; 2839 raid->magic_1 = meta->raid_number; 2840 raid->type = AR_T_RAID1; 2841 raid->width = meta->configs[raid_entry].raid.array_width; 2842 break; 2843 2844 case LSIV2_T_RAID0 | LSIV2_T_RAID1: 2845 raid->magic_0 = meta->timestamp; 2846 raid->magic_1 = meta->raid_number; 2847 raid->type = AR_T_RAID01; 2848 raid->interleave = meta->configs[raid_entry].raid.stripe_sectors; 2849 raid->width = meta->configs[raid_entry].raid.array_width; 2850 break; 2851 2852 default: 2853 device_printf(parent, "LSI v2 unknown RAID type 0x%02x\n", 2854 meta->configs[raid_entry].raid.type); 2855 kfree(raidp[array], M_AR); 2856 raidp[array] = NULL; 2857 goto lsiv2_out; 2858 } 2859 2860 raid->format = AR_F_LSIV2_RAID; 2861 raid->generation = 0; 2862 raid->total_disks = meta->configs[raid_entry].raid.disk_count; 2863 raid->total_sectors = meta->configs[raid_entry].raid.total_sectors; 2864 raid->heads = 255; 2865 raid->sectors = 63; 2866 raid->cylinders = raid->total_sectors / (63 * 255); 2867 raid->offset_sectors = 0; 2868 raid->rebuild_lba = 0; 2869 raid->lun = array; 2870 2871 if (meta->configs[conf_entry].disk.device != LSIV2_D_NONE) { 2872 raid->disks[meta->disk_number].dev = parent; 2873 raid->disks[meta->disk_number].sectors = 2874 meta->configs[conf_entry].disk.disk_sectors; 2875 raid->disks[meta->disk_number].flags = 2876 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 2877 ars->raid[raid->volume] = raid; 2878 ars->disk_number[raid->volume] = meta->disk_number; 2879 retval = 1; 2880 } 2881 else 2882 raid->disks[meta->disk_number].flags &= ~AR_DF_ONLINE; 2883 2884 break; 2885 } 2886 2887 lsiv2_out: 2888 kfree(meta, M_AR); 2889 return retval; 2890 } 2891 2892 /* LSILogic V3 MegaRAID Metadata */ 2893 static int 2894 ata_raid_lsiv3_read_meta(device_t dev, struct ar_softc **raidp) 2895 { 2896 struct ata_raid_subdisk *ars = device_get_softc(dev); 2897 device_t parent = device_get_parent(dev); 2898 struct lsiv3_raid_conf *meta; 2899 struct ar_softc *raid = NULL; 2900 u_int8_t checksum, *ptr; 2901 int array, entry, count, disk_number, retval = 0; 2902 2903 meta = (struct lsiv3_raid_conf *)kmalloc(sizeof(struct lsiv3_raid_conf), 2904 M_AR, M_WAITOK | M_ZERO); 2905 2906 if (ata_raid_rw(parent, LSIV3_LBA(parent), 2907 meta, sizeof(struct lsiv3_raid_conf), ATA_R_READ)) { 2908 if (testing || bootverbose) 2909 device_printf(parent, "LSI (v3) read metadata failed\n"); 2910 goto lsiv3_out; 2911 } 2912 2913 /* check if this is a LSI RAID struct */ 2914 if (strncmp(meta->lsi_id, LSIV3_MAGIC, strlen(LSIV3_MAGIC))) { 2915 if (testing || bootverbose) 2916 device_printf(parent, "LSI (v3) check1 failed\n"); 2917 goto lsiv3_out; 2918 } 2919 2920 /* check if the checksum is OK */ 2921 for (checksum = 0, ptr = meta->lsi_id, count = 0; count < 512; count++) 2922 checksum += *ptr++; 2923 if (checksum) { 2924 if (testing || bootverbose) 2925 device_printf(parent, "LSI (v3) check2 failed\n"); 2926 goto lsiv3_out; 2927 } 2928 2929 if (testing || bootverbose) 2930 ata_raid_lsiv3_print_meta(meta); 2931 2932 /* now convert LSI (v3) config meta into our generic form */ 2933 for (array = 0, entry = 0; array < MAX_ARRAYS && entry < 8;) { 2934 if (!raidp[array]) { 2935 raidp[array] = 2936 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2937 M_WAITOK | M_ZERO); 2938 } 2939 raid = raidp[array]; 2940 if (raid->format && (raid->format != AR_F_LSIV3_RAID)) { 2941 array++; 2942 continue; 2943 } 2944 2945 if ((raid->format == AR_F_LSIV3_RAID) && 2946 (raid->magic_0 != meta->timestamp)) { 2947 array++; 2948 continue; 2949 } 2950 2951 switch (meta->raid[entry].total_disks) { 2952 case 0: 2953 entry++; 2954 continue; 2955 case 1: 2956 if (meta->raid[entry].device == meta->device) { 2957 disk_number = 0; 2958 break; 2959 } 2960 if (raid->format) 2961 array++; 2962 entry++; 2963 continue; 2964 case 2: 2965 disk_number = (meta->device & (LSIV3_D_DEVICE|LSIV3_D_CHANNEL))?1:0; 2966 break; 2967 default: 2968 device_printf(parent, "lsiv3 > 2 disk support untested!!\n"); 2969 disk_number = (meta->device & LSIV3_D_DEVICE ? 1 : 0) + 2970 (meta->device & LSIV3_D_CHANNEL ? 2 : 0); 2971 break; 2972 } 2973 2974 switch (meta->raid[entry].type) { 2975 case LSIV3_T_RAID0: 2976 raid->type = AR_T_RAID0; 2977 raid->width = meta->raid[entry].total_disks; 2978 break; 2979 2980 case LSIV3_T_RAID1: 2981 raid->type = AR_T_RAID1; 2982 raid->width = meta->raid[entry].array_width; 2983 break; 2984 2985 default: 2986 device_printf(parent, "LSI v3 unknown RAID type 0x%02x\n", 2987 meta->raid[entry].type); 2988 kfree(raidp[array], M_AR); 2989 raidp[array] = NULL; 2990 entry++; 2991 continue; 2992 } 2993 2994 raid->magic_0 = meta->timestamp; 2995 raid->format = AR_F_LSIV3_RAID; 2996 raid->generation = 0; 2997 raid->interleave = meta->raid[entry].stripe_pages * 8; 2998 raid->total_disks = meta->raid[entry].total_disks; 2999 raid->total_sectors = raid->width * meta->raid[entry].sectors; 3000 raid->heads = 255; 3001 raid->sectors = 63; 3002 raid->cylinders = raid->total_sectors / (63 * 255); 3003 raid->offset_sectors = meta->raid[entry].offset; 3004 raid->rebuild_lba = 0; 3005 raid->lun = array; 3006 3007 raid->disks[disk_number].dev = parent; 3008 raid->disks[disk_number].sectors = raid->total_sectors / raid->width; 3009 raid->disks[disk_number].flags = 3010 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 3011 ars->raid[raid->volume] = raid; 3012 ars->disk_number[raid->volume] = disk_number; 3013 retval = 1; 3014 entry++; 3015 array++; 3016 } 3017 3018 lsiv3_out: 3019 kfree(meta, M_AR); 3020 return retval; 3021 } 3022 3023 /* nVidia MediaShield Metadata */ 3024 static int 3025 ata_raid_nvidia_read_meta(device_t dev, struct ar_softc **raidp) 3026 { 3027 struct ata_raid_subdisk *ars = device_get_softc(dev); 3028 device_t parent = device_get_parent(dev); 3029 struct nvidia_raid_conf *meta; 3030 struct ar_softc *raid = NULL; 3031 u_int32_t checksum, *ptr; 3032 int array, count, retval = 0; 3033 3034 meta = (struct nvidia_raid_conf *)kmalloc(sizeof(struct nvidia_raid_conf), 3035 M_AR, M_WAITOK | M_ZERO); 3036 3037 if (ata_raid_rw(parent, NVIDIA_LBA(parent), 3038 meta, sizeof(struct nvidia_raid_conf), ATA_R_READ)) { 3039 if (testing || bootverbose) 3040 device_printf(parent, "nVidia read metadata failed\n"); 3041 goto nvidia_out; 3042 } 3043 3044 /* check if this is a nVidia RAID struct */ 3045 if (strncmp(meta->nvidia_id, NV_MAGIC, strlen(NV_MAGIC))) { 3046 if (testing || bootverbose) 3047 device_printf(parent, "nVidia check1 failed\n"); 3048 goto nvidia_out; 3049 } 3050 3051 /* check if the checksum is OK */ 3052 for (checksum = 0, ptr = (u_int32_t*)meta, count = 0; 3053 count < meta->config_size; count++) 3054 checksum += *ptr++; 3055 if (checksum) { 3056 if (testing || bootverbose) 3057 device_printf(parent, "nVidia check2 failed\n"); 3058 goto nvidia_out; 3059 } 3060 3061 if (testing || bootverbose) 3062 ata_raid_nvidia_print_meta(meta); 3063 3064 /* now convert nVidia meta into our generic form */ 3065 for (array = 0; array < MAX_ARRAYS; array++) { 3066 if (!raidp[array]) { 3067 raidp[array] = 3068 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3069 M_WAITOK | M_ZERO); 3070 } 3071 raid = raidp[array]; 3072 if (raid->format && (raid->format != AR_F_NVIDIA_RAID)) 3073 continue; 3074 3075 if (raid->format == AR_F_NVIDIA_RAID && 3076 ((raid->magic_0 != meta->magic_1) || 3077 (raid->magic_1 != meta->magic_2))) { 3078 continue; 3079 } 3080 3081 switch (meta->type) { 3082 case NV_T_SPAN: 3083 raid->type = AR_T_SPAN; 3084 break; 3085 3086 case NV_T_RAID0: 3087 raid->type = AR_T_RAID0; 3088 break; 3089 3090 case NV_T_RAID1: 3091 raid->type = AR_T_RAID1; 3092 break; 3093 3094 case NV_T_RAID5: 3095 raid->type = AR_T_RAID5; 3096 break; 3097 3098 case NV_T_RAID01: 3099 raid->type = AR_T_RAID01; 3100 break; 3101 3102 default: 3103 device_printf(parent, "nVidia unknown RAID type 0x%02x\n", 3104 meta->type); 3105 kfree(raidp[array], M_AR); 3106 raidp[array] = NULL; 3107 goto nvidia_out; 3108 } 3109 raid->magic_0 = meta->magic_1; 3110 raid->magic_1 = meta->magic_2; 3111 raid->format = AR_F_NVIDIA_RAID; 3112 raid->generation = 0; 3113 raid->interleave = meta->stripe_sectors; 3114 raid->width = meta->array_width; 3115 raid->total_disks = meta->total_disks; 3116 raid->total_sectors = meta->total_sectors; 3117 raid->heads = 255; 3118 raid->sectors = 63; 3119 raid->cylinders = raid->total_sectors / (63 * 255); 3120 raid->offset_sectors = 0; 3121 raid->rebuild_lba = meta->rebuild_lba; 3122 raid->lun = array; 3123 raid->status = AR_S_READY; 3124 if (meta->status & NV_S_DEGRADED) 3125 raid->status |= AR_S_DEGRADED; 3126 3127 raid->disks[meta->disk_number].dev = parent; 3128 raid->disks[meta->disk_number].sectors = 3129 raid->total_sectors / raid->width; 3130 raid->disks[meta->disk_number].flags = 3131 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 3132 ars->raid[raid->volume] = raid; 3133 ars->disk_number[raid->volume] = meta->disk_number; 3134 retval = 1; 3135 break; 3136 } 3137 3138 nvidia_out: 3139 kfree(meta, M_AR); 3140 return retval; 3141 } 3142 3143 /* Promise FastTrak Metadata */ 3144 static int 3145 ata_raid_promise_read_meta(device_t dev, struct ar_softc **raidp, int native) 3146 { 3147 struct ata_raid_subdisk *ars = device_get_softc(dev); 3148 device_t parent = device_get_parent(dev); 3149 struct promise_raid_conf *meta; 3150 struct ar_softc *raid; 3151 u_int32_t checksum, *ptr; 3152 int array, count, disk, disksum = 0, retval = 0; 3153 3154 meta = (struct promise_raid_conf *) 3155 kmalloc(sizeof(struct promise_raid_conf), M_AR, M_WAITOK | M_ZERO); 3156 3157 if (ata_raid_rw(parent, PROMISE_LBA(parent), 3158 meta, sizeof(struct promise_raid_conf), ATA_R_READ)) { 3159 if (testing || bootverbose) 3160 device_printf(parent, "%s read metadata failed\n", 3161 native ? "FreeBSD" : "Promise"); 3162 goto promise_out; 3163 } 3164 3165 /* check the signature */ 3166 if (native) { 3167 if (strncmp(meta->promise_id, ATA_MAGIC, strlen(ATA_MAGIC))) { 3168 if (testing || bootverbose) 3169 device_printf(parent, "FreeBSD check1 failed\n"); 3170 goto promise_out; 3171 } 3172 } 3173 else { 3174 if (strncmp(meta->promise_id, PR_MAGIC, strlen(PR_MAGIC))) { 3175 if (testing || bootverbose) 3176 device_printf(parent, "Promise check1 failed\n"); 3177 goto promise_out; 3178 } 3179 } 3180 3181 /* check if the checksum is OK */ 3182 for (checksum = 0, ptr = (u_int32_t *)meta, count = 0; count < 511; count++) 3183 checksum += *ptr++; 3184 if (checksum != *ptr) { 3185 if (testing || bootverbose) 3186 device_printf(parent, "%s check2 failed\n", 3187 native ? "FreeBSD" : "Promise"); 3188 goto promise_out; 3189 } 3190 3191 /* check on disk integrity status */ 3192 if (meta->raid.integrity != PR_I_VALID) { 3193 if (testing || bootverbose) 3194 device_printf(parent, "%s check3 failed\n", 3195 native ? "FreeBSD" : "Promise"); 3196 goto promise_out; 3197 } 3198 3199 if (testing || bootverbose) 3200 ata_raid_promise_print_meta(meta); 3201 3202 /* now convert Promise metadata into our generic form */ 3203 for (array = 0; array < MAX_ARRAYS; array++) { 3204 if (!raidp[array]) { 3205 raidp[array] = 3206 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3207 M_WAITOK | M_ZERO); 3208 } 3209 raid = raidp[array]; 3210 if (raid->format && 3211 (raid->format != (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID))) 3212 continue; 3213 3214 if ((raid->format == (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID))&& 3215 !(meta->raid.magic_1 == (raid->magic_1))) 3216 continue; 3217 3218 /* update our knowledge about the array config based on generation */ 3219 if (!meta->raid.generation || meta->raid.generation > raid->generation){ 3220 switch (meta->raid.type) { 3221 case PR_T_SPAN: 3222 raid->type = AR_T_SPAN; 3223 break; 3224 3225 case PR_T_JBOD: 3226 raid->type = AR_T_JBOD; 3227 break; 3228 3229 case PR_T_RAID0: 3230 raid->type = AR_T_RAID0; 3231 break; 3232 3233 case PR_T_RAID1: 3234 raid->type = AR_T_RAID1; 3235 if (meta->raid.array_width > 1) 3236 raid->type = AR_T_RAID01; 3237 break; 3238 3239 case PR_T_RAID5: 3240 raid->type = AR_T_RAID5; 3241 break; 3242 3243 default: 3244 device_printf(parent, "%s unknown RAID type 0x%02x\n", 3245 native ? "FreeBSD" : "Promise", meta->raid.type); 3246 kfree(raidp[array], M_AR); 3247 raidp[array] = NULL; 3248 goto promise_out; 3249 } 3250 raid->magic_1 = meta->raid.magic_1; 3251 raid->format = (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID); 3252 raid->generation = meta->raid.generation; 3253 raid->interleave = 1 << meta->raid.stripe_shift; 3254 raid->width = meta->raid.array_width; 3255 raid->total_disks = meta->raid.total_disks; 3256 raid->heads = meta->raid.heads + 1; 3257 raid->sectors = meta->raid.sectors; 3258 raid->cylinders = meta->raid.cylinders + 1; 3259 raid->total_sectors = meta->raid.total_sectors; 3260 raid->offset_sectors = 0; 3261 raid->rebuild_lba = meta->raid.rebuild_lba; 3262 raid->lun = array; 3263 if ((meta->raid.status & 3264 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY)) == 3265 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY)) { 3266 raid->status |= AR_S_READY; 3267 if (meta->raid.status & PR_S_DEGRADED) 3268 raid->status |= AR_S_DEGRADED; 3269 } 3270 else 3271 raid->status &= ~AR_S_READY; 3272 3273 /* convert disk flags to our internal types */ 3274 for (disk = 0; disk < meta->raid.total_disks; disk++) { 3275 raid->disks[disk].dev = NULL; 3276 raid->disks[disk].flags = 0; 3277 *((u_int64_t *)(raid->disks[disk].serial)) = 3278 meta->raid.disk[disk].magic_0; 3279 disksum += meta->raid.disk[disk].flags; 3280 if (meta->raid.disk[disk].flags & PR_F_ONLINE) 3281 raid->disks[disk].flags |= AR_DF_ONLINE; 3282 if (meta->raid.disk[disk].flags & PR_F_ASSIGNED) 3283 raid->disks[disk].flags |= AR_DF_ASSIGNED; 3284 if (meta->raid.disk[disk].flags & PR_F_SPARE) { 3285 raid->disks[disk].flags &= ~(AR_DF_ONLINE | AR_DF_ASSIGNED); 3286 raid->disks[disk].flags |= AR_DF_SPARE; 3287 } 3288 if (meta->raid.disk[disk].flags & (PR_F_REDIR | PR_F_DOWN)) 3289 raid->disks[disk].flags &= ~AR_DF_ONLINE; 3290 } 3291 if (!disksum) { 3292 device_printf(parent, "%s subdisks has no flags\n", 3293 native ? "FreeBSD" : "Promise"); 3294 kfree(raidp[array], M_AR); 3295 raidp[array] = NULL; 3296 goto promise_out; 3297 } 3298 } 3299 if (meta->raid.generation >= raid->generation) { 3300 int disk_number = meta->raid.disk_number; 3301 3302 if (raid->disks[disk_number].flags && (meta->magic_0 == 3303 *((u_int64_t *)(raid->disks[disk_number].serial)))) { 3304 raid->disks[disk_number].dev = parent; 3305 raid->disks[disk_number].flags |= AR_DF_PRESENT; 3306 raid->disks[disk_number].sectors = meta->raid.disk_sectors; 3307 if ((raid->disks[disk_number].flags & 3308 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE)) == 3309 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE)) { 3310 ars->raid[raid->volume] = raid; 3311 ars->disk_number[raid->volume] = disk_number; 3312 retval = 1; 3313 } 3314 } 3315 } 3316 break; 3317 } 3318 3319 promise_out: 3320 kfree(meta, M_AR); 3321 return retval; 3322 } 3323 3324 static int 3325 ata_raid_promise_write_meta(struct ar_softc *rdp) 3326 { 3327 struct promise_raid_conf *meta; 3328 struct timeval timestamp; 3329 u_int32_t *ckptr; 3330 int count, disk, drive, error = 0; 3331 3332 meta = (struct promise_raid_conf *) 3333 kmalloc(sizeof(struct promise_raid_conf), M_AR, M_WAITOK); 3334 3335 rdp->generation++; 3336 microtime(×tamp); 3337 3338 for (disk = 0; disk < rdp->total_disks; disk++) { 3339 for (count = 0; count < sizeof(struct promise_raid_conf); count++) 3340 *(((u_int8_t *)meta) + count) = 255 - (count % 256); 3341 meta->dummy_0 = 0x00020000; 3342 meta->raid.disk_number = disk; 3343 3344 if (rdp->disks[disk].dev) { 3345 struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev); 3346 struct ata_channel *ch = 3347 device_get_softc(device_get_parent(rdp->disks[disk].dev)); 3348 3349 meta->raid.channel = ch->unit; 3350 meta->raid.device = ATA_DEV(atadev->unit); 3351 meta->raid.disk_sectors = rdp->disks[disk].sectors; 3352 meta->raid.disk_offset = rdp->offset_sectors; 3353 } 3354 else { 3355 meta->raid.channel = 0; 3356 meta->raid.device = 0; 3357 meta->raid.disk_sectors = 0; 3358 meta->raid.disk_offset = 0; 3359 } 3360 meta->magic_0 = PR_MAGIC0(meta->raid) | timestamp.tv_sec; 3361 meta->magic_1 = timestamp.tv_sec >> 16; 3362 meta->magic_2 = timestamp.tv_sec; 3363 meta->raid.integrity = PR_I_VALID; 3364 meta->raid.magic_0 = meta->magic_0; 3365 meta->raid.rebuild_lba = rdp->rebuild_lba; 3366 meta->raid.generation = rdp->generation; 3367 3368 if (rdp->status & AR_S_READY) { 3369 meta->raid.flags = (PR_F_VALID | PR_F_ASSIGNED | PR_F_ONLINE); 3370 meta->raid.status = 3371 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY); 3372 if (rdp->status & AR_S_DEGRADED) 3373 meta->raid.status |= PR_S_DEGRADED; 3374 else 3375 meta->raid.status |= PR_S_FUNCTIONAL; 3376 } 3377 else { 3378 meta->raid.flags = PR_F_DOWN; 3379 meta->raid.status = 0; 3380 } 3381 3382 switch (rdp->type) { 3383 case AR_T_RAID0: 3384 meta->raid.type = PR_T_RAID0; 3385 break; 3386 case AR_T_RAID1: 3387 meta->raid.type = PR_T_RAID1; 3388 break; 3389 case AR_T_RAID01: 3390 meta->raid.type = PR_T_RAID1; 3391 break; 3392 case AR_T_RAID5: 3393 meta->raid.type = PR_T_RAID5; 3394 break; 3395 case AR_T_SPAN: 3396 meta->raid.type = PR_T_SPAN; 3397 break; 3398 case AR_T_JBOD: 3399 meta->raid.type = PR_T_JBOD; 3400 break; 3401 default: 3402 kfree(meta, M_AR); 3403 return ENODEV; 3404 } 3405 3406 meta->raid.total_disks = rdp->total_disks; 3407 meta->raid.stripe_shift = ffs(rdp->interleave) - 1; 3408 meta->raid.array_width = rdp->width; 3409 meta->raid.array_number = rdp->lun; 3410 meta->raid.total_sectors = rdp->total_sectors; 3411 meta->raid.cylinders = rdp->cylinders - 1; 3412 meta->raid.heads = rdp->heads - 1; 3413 meta->raid.sectors = rdp->sectors; 3414 meta->raid.magic_1 = (u_int64_t)meta->magic_2<<16 | meta->magic_1; 3415 3416 bzero(&meta->raid.disk, 8 * 12); 3417 for (drive = 0; drive < rdp->total_disks; drive++) { 3418 meta->raid.disk[drive].flags = 0; 3419 if (rdp->disks[drive].flags & AR_DF_PRESENT) 3420 meta->raid.disk[drive].flags |= PR_F_VALID; 3421 if (rdp->disks[drive].flags & AR_DF_ASSIGNED) 3422 meta->raid.disk[drive].flags |= PR_F_ASSIGNED; 3423 if (rdp->disks[drive].flags & AR_DF_ONLINE) 3424 meta->raid.disk[drive].flags |= PR_F_ONLINE; 3425 else 3426 if (rdp->disks[drive].flags & AR_DF_PRESENT) 3427 meta->raid.disk[drive].flags = (PR_F_REDIR | PR_F_DOWN); 3428 if (rdp->disks[drive].flags & AR_DF_SPARE) 3429 meta->raid.disk[drive].flags |= PR_F_SPARE; 3430 meta->raid.disk[drive].dummy_0 = 0x0; 3431 if (rdp->disks[drive].dev) { 3432 struct ata_channel *ch = 3433 device_get_softc(device_get_parent(rdp->disks[drive].dev)); 3434 struct ata_device *atadev = 3435 device_get_softc(rdp->disks[drive].dev); 3436 3437 meta->raid.disk[drive].channel = ch->unit; 3438 meta->raid.disk[drive].device = ATA_DEV(atadev->unit); 3439 } 3440 meta->raid.disk[drive].magic_0 = 3441 PR_MAGIC0(meta->raid.disk[drive]) | timestamp.tv_sec; 3442 } 3443 3444 if (rdp->disks[disk].dev) { 3445 if ((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) == 3446 (AR_DF_PRESENT | AR_DF_ONLINE)) { 3447 if (rdp->format == AR_F_FREEBSD_RAID) 3448 bcopy(ATA_MAGIC, meta->promise_id, sizeof(ATA_MAGIC)); 3449 else 3450 bcopy(PR_MAGIC, meta->promise_id, sizeof(PR_MAGIC)); 3451 } 3452 else 3453 bzero(meta->promise_id, sizeof(meta->promise_id)); 3454 meta->checksum = 0; 3455 for (ckptr = (int32_t *)meta, count = 0; count < 511; count++) 3456 meta->checksum += *ckptr++; 3457 if (testing || bootverbose) 3458 ata_raid_promise_print_meta(meta); 3459 if (ata_raid_rw(rdp->disks[disk].dev, 3460 PROMISE_LBA(rdp->disks[disk].dev), 3461 meta, sizeof(struct promise_raid_conf), 3462 ATA_R_WRITE | ATA_R_DIRECT)) { 3463 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 3464 error = EIO; 3465 } 3466 } 3467 } 3468 kfree(meta, M_AR); 3469 return error; 3470 } 3471 3472 /* Silicon Image Medley Metadata */ 3473 static int 3474 ata_raid_sii_read_meta(device_t dev, struct ar_softc **raidp) 3475 { 3476 struct ata_raid_subdisk *ars = device_get_softc(dev); 3477 device_t parent = device_get_parent(dev); 3478 struct sii_raid_conf *meta; 3479 struct ar_softc *raid = NULL; 3480 u_int16_t checksum, *ptr; 3481 int array, count, disk, retval = 0; 3482 3483 meta = (struct sii_raid_conf *)kmalloc(sizeof(struct sii_raid_conf), M_AR, 3484 M_WAITOK | M_ZERO); 3485 3486 if (ata_raid_rw(parent, SII_LBA(parent), 3487 meta, sizeof(struct sii_raid_conf), ATA_R_READ)) { 3488 if (testing || bootverbose) 3489 device_printf(parent, "Silicon Image read metadata failed\n"); 3490 goto sii_out; 3491 } 3492 3493 /* check if this is a Silicon Image (Medley) RAID struct */ 3494 for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 160; count++) 3495 checksum += *ptr++; 3496 if (checksum) { 3497 if (testing || bootverbose) 3498 device_printf(parent, "Silicon Image check1 failed\n"); 3499 goto sii_out; 3500 } 3501 3502 for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 256; count++) 3503 checksum += *ptr++; 3504 if (checksum != meta->checksum_1) { 3505 if (testing || bootverbose) 3506 device_printf(parent, "Silicon Image check2 failed\n"); 3507 goto sii_out; 3508 } 3509 3510 /* check verison */ 3511 if (meta->version_major != 0x0002 || 3512 (meta->version_minor != 0x0000 && meta->version_minor != 0x0001)) { 3513 if (testing || bootverbose) 3514 device_printf(parent, "Silicon Image check3 failed\n"); 3515 goto sii_out; 3516 } 3517 3518 if (testing || bootverbose) 3519 ata_raid_sii_print_meta(meta); 3520 3521 /* now convert Silicon Image meta into our generic form */ 3522 for (array = 0; array < MAX_ARRAYS; array++) { 3523 if (!raidp[array]) { 3524 raidp[array] = 3525 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3526 M_WAITOK | M_ZERO); 3527 } 3528 raid = raidp[array]; 3529 if (raid->format && (raid->format != AR_F_SII_RAID)) 3530 continue; 3531 3532 if (raid->format == AR_F_SII_RAID && 3533 (raid->magic_0 != *((u_int64_t *)meta->timestamp))) { 3534 continue; 3535 } 3536 3537 /* update our knowledge about the array config based on generation */ 3538 if (!meta->generation || meta->generation > raid->generation) { 3539 switch (meta->type) { 3540 case SII_T_RAID0: 3541 raid->type = AR_T_RAID0; 3542 break; 3543 3544 case SII_T_RAID1: 3545 raid->type = AR_T_RAID1; 3546 break; 3547 3548 case SII_T_RAID01: 3549 raid->type = AR_T_RAID01; 3550 break; 3551 3552 case SII_T_SPARE: 3553 device_printf(parent, "Silicon Image SPARE disk\n"); 3554 kfree(raidp[array], M_AR); 3555 raidp[array] = NULL; 3556 goto sii_out; 3557 3558 default: 3559 device_printf(parent,"Silicon Image unknown RAID type 0x%02x\n", 3560 meta->type); 3561 kfree(raidp[array], M_AR); 3562 raidp[array] = NULL; 3563 goto sii_out; 3564 } 3565 raid->magic_0 = *((u_int64_t *)meta->timestamp); 3566 raid->format = AR_F_SII_RAID; 3567 raid->generation = meta->generation; 3568 raid->interleave = meta->stripe_sectors; 3569 raid->width = (meta->raid0_disks != 0xff) ? meta->raid0_disks : 1; 3570 raid->total_disks = 3571 ((meta->raid0_disks != 0xff) ? meta->raid0_disks : 0) + 3572 ((meta->raid1_disks != 0xff) ? meta->raid1_disks : 0); 3573 raid->total_sectors = meta->total_sectors; 3574 raid->heads = 255; 3575 raid->sectors = 63; 3576 raid->cylinders = raid->total_sectors / (63 * 255); 3577 raid->offset_sectors = 0; 3578 raid->rebuild_lba = meta->rebuild_lba; 3579 raid->lun = array; 3580 strncpy(raid->name, meta->name, 3581 min(sizeof(raid->name), sizeof(meta->name))); 3582 3583 /* clear out any old info */ 3584 if (raid->generation) { 3585 for (disk = 0; disk < raid->total_disks; disk++) { 3586 raid->disks[disk].dev = NULL; 3587 raid->disks[disk].flags = 0; 3588 } 3589 } 3590 } 3591 if (meta->generation >= raid->generation) { 3592 /* XXX SOS add check for the right physical disk by serial# */ 3593 if (meta->status & SII_S_READY) { 3594 int disk_number = (raid->type == AR_T_RAID01) ? 3595 meta->raid1_ident + (meta->raid0_ident << 1) : 3596 meta->disk_number; 3597 3598 raid->disks[disk_number].dev = parent; 3599 raid->disks[disk_number].sectors = 3600 raid->total_sectors / raid->width; 3601 raid->disks[disk_number].flags = 3602 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 3603 ars->raid[raid->volume] = raid; 3604 ars->disk_number[raid->volume] = disk_number; 3605 retval = 1; 3606 } 3607 } 3608 break; 3609 } 3610 3611 sii_out: 3612 kfree(meta, M_AR); 3613 return retval; 3614 } 3615 3616 /* Silicon Integrated Systems Metadata */ 3617 static int 3618 ata_raid_sis_read_meta(device_t dev, struct ar_softc **raidp) 3619 { 3620 struct ata_raid_subdisk *ars = device_get_softc(dev); 3621 device_t parent = device_get_parent(dev); 3622 struct sis_raid_conf *meta; 3623 struct ar_softc *raid = NULL; 3624 int array, disk_number, drive, retval = 0; 3625 3626 meta = (struct sis_raid_conf *)kmalloc(sizeof(struct sis_raid_conf), M_AR, 3627 M_WAITOK | M_ZERO); 3628 3629 if (ata_raid_rw(parent, SIS_LBA(parent), 3630 meta, sizeof(struct sis_raid_conf), ATA_R_READ)) { 3631 if (testing || bootverbose) 3632 device_printf(parent, 3633 "Silicon Integrated Systems read metadata failed\n"); 3634 } 3635 3636 /* check for SiS magic */ 3637 if (meta->magic != SIS_MAGIC) { 3638 if (testing || bootverbose) 3639 device_printf(parent, 3640 "Silicon Integrated Systems check1 failed\n"); 3641 goto sis_out; 3642 } 3643 3644 if (testing || bootverbose) 3645 ata_raid_sis_print_meta(meta); 3646 3647 /* now convert SiS meta into our generic form */ 3648 for (array = 0; array < MAX_ARRAYS; array++) { 3649 if (!raidp[array]) { 3650 raidp[array] = 3651 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3652 M_WAITOK | M_ZERO); 3653 } 3654 3655 raid = raidp[array]; 3656 if (raid->format && (raid->format != AR_F_SIS_RAID)) 3657 continue; 3658 3659 if ((raid->format == AR_F_SIS_RAID) && 3660 ((raid->magic_0 != meta->controller_pci_id) || 3661 (raid->magic_1 != meta->timestamp))) { 3662 continue; 3663 } 3664 3665 switch (meta->type_total_disks & SIS_T_MASK) { 3666 case SIS_T_JBOD: 3667 raid->type = AR_T_JBOD; 3668 raid->width = (meta->type_total_disks & SIS_D_MASK); 3669 raid->total_sectors += SIS_LBA(parent); 3670 break; 3671 3672 case SIS_T_RAID0: 3673 raid->type = AR_T_RAID0; 3674 raid->width = (meta->type_total_disks & SIS_D_MASK); 3675 if (!raid->total_sectors || 3676 (raid->total_sectors > (raid->width * SIS_LBA(parent)))) 3677 raid->total_sectors = raid->width * SIS_LBA(parent); 3678 break; 3679 3680 case SIS_T_RAID1: 3681 raid->type = AR_T_RAID1; 3682 raid->width = 1; 3683 if (!raid->total_sectors || (raid->total_sectors > SIS_LBA(parent))) 3684 raid->total_sectors = SIS_LBA(parent); 3685 break; 3686 3687 default: 3688 device_printf(parent, "Silicon Integrated Systems " 3689 "unknown RAID type 0x%08x\n", meta->magic); 3690 kfree(raidp[array], M_AR); 3691 raidp[array] = NULL; 3692 goto sis_out; 3693 } 3694 raid->magic_0 = meta->controller_pci_id; 3695 raid->magic_1 = meta->timestamp; 3696 raid->format = AR_F_SIS_RAID; 3697 raid->generation = 0; 3698 raid->interleave = meta->stripe_sectors; 3699 raid->total_disks = (meta->type_total_disks & SIS_D_MASK); 3700 raid->heads = 255; 3701 raid->sectors = 63; 3702 raid->cylinders = raid->total_sectors / (63 * 255); 3703 raid->offset_sectors = 0; 3704 raid->rebuild_lba = 0; 3705 raid->lun = array; 3706 /* XXX SOS if total_disks > 2 this doesn't float */ 3707 if (((meta->disks & SIS_D_MASTER) >> 4) == meta->disk_number) 3708 disk_number = 0; 3709 else 3710 disk_number = 1; 3711 3712 for (drive = 0; drive < raid->total_disks; drive++) { 3713 raid->disks[drive].sectors = raid->total_sectors/raid->width; 3714 if (drive == disk_number) { 3715 raid->disks[disk_number].dev = parent; 3716 raid->disks[disk_number].flags = 3717 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 3718 ars->raid[raid->volume] = raid; 3719 ars->disk_number[raid->volume] = disk_number; 3720 } 3721 } 3722 retval = 1; 3723 break; 3724 } 3725 3726 sis_out: 3727 kfree(meta, M_AR); 3728 return retval; 3729 } 3730 3731 static int 3732 ata_raid_sis_write_meta(struct ar_softc *rdp) 3733 { 3734 struct sis_raid_conf *meta; 3735 struct timeval timestamp; 3736 int disk, error = 0; 3737 3738 meta = (struct sis_raid_conf *)kmalloc(sizeof(struct sis_raid_conf), M_AR, 3739 M_WAITOK | M_ZERO); 3740 3741 rdp->generation++; 3742 microtime(×tamp); 3743 3744 meta->magic = SIS_MAGIC; 3745 /* XXX SOS if total_disks > 2 this doesn't float */ 3746 for (disk = 0; disk < rdp->total_disks; disk++) { 3747 if (rdp->disks[disk].dev) { 3748 struct ata_channel *ch = 3749 device_get_softc(device_get_parent(rdp->disks[disk].dev)); 3750 struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev); 3751 int disk_number = 1 + ATA_DEV(atadev->unit) + (ch->unit << 1); 3752 3753 meta->disks |= disk_number << ((1 - disk) << 2); 3754 } 3755 } 3756 switch (rdp->type) { 3757 case AR_T_JBOD: 3758 meta->type_total_disks = SIS_T_JBOD; 3759 break; 3760 3761 case AR_T_RAID0: 3762 meta->type_total_disks = SIS_T_RAID0; 3763 break; 3764 3765 case AR_T_RAID1: 3766 meta->type_total_disks = SIS_T_RAID1; 3767 break; 3768 3769 default: 3770 kfree(meta, M_AR); 3771 return ENODEV; 3772 } 3773 meta->type_total_disks |= (rdp->total_disks & SIS_D_MASK); 3774 meta->stripe_sectors = rdp->interleave; 3775 meta->timestamp = timestamp.tv_sec; 3776 3777 for (disk = 0; disk < rdp->total_disks; disk++) { 3778 if (rdp->disks[disk].dev) { 3779 struct ata_channel *ch = 3780 device_get_softc(device_get_parent(rdp->disks[disk].dev)); 3781 struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev); 3782 3783 meta->controller_pci_id = 3784 (pci_get_vendor(GRANDPARENT(rdp->disks[disk].dev)) << 16) | 3785 pci_get_device(GRANDPARENT(rdp->disks[disk].dev)); 3786 bcopy(atadev->param.model, meta->model, sizeof(meta->model)); 3787 3788 /* XXX SOS if total_disks > 2 this may not float */ 3789 meta->disk_number = 1 + ATA_DEV(atadev->unit) + (ch->unit << 1); 3790 3791 if (testing || bootverbose) 3792 ata_raid_sis_print_meta(meta); 3793 3794 if (ata_raid_rw(rdp->disks[disk].dev, 3795 SIS_LBA(rdp->disks[disk].dev), 3796 meta, sizeof(struct sis_raid_conf), 3797 ATA_R_WRITE | ATA_R_DIRECT)) { 3798 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 3799 error = EIO; 3800 } 3801 } 3802 } 3803 kfree(meta, M_AR); 3804 return error; 3805 } 3806 3807 /* VIA Tech V-RAID Metadata */ 3808 static int 3809 ata_raid_via_read_meta(device_t dev, struct ar_softc **raidp) 3810 { 3811 struct ata_raid_subdisk *ars = device_get_softc(dev); 3812 device_t parent = device_get_parent(dev); 3813 struct via_raid_conf *meta; 3814 struct ar_softc *raid = NULL; 3815 u_int8_t checksum, *ptr; 3816 int array, count, disk, retval = 0; 3817 3818 meta = (struct via_raid_conf *)kmalloc(sizeof(struct via_raid_conf), M_AR, 3819 M_WAITOK | M_ZERO); 3820 3821 if (ata_raid_rw(parent, VIA_LBA(parent), 3822 meta, sizeof(struct via_raid_conf), ATA_R_READ)) { 3823 if (testing || bootverbose) 3824 device_printf(parent, "VIA read metadata failed\n"); 3825 goto via_out; 3826 } 3827 3828 /* check if this is a VIA RAID struct */ 3829 if (meta->magic != VIA_MAGIC) { 3830 if (testing || bootverbose) 3831 device_printf(parent, "VIA check1 failed\n"); 3832 goto via_out; 3833 } 3834 3835 /* calculate checksum and compare for valid */ 3836 for (checksum = 0, ptr = (u_int8_t *)meta, count = 0; count < 50; count++) 3837 checksum += *ptr++; 3838 if (checksum != meta->checksum) { 3839 if (testing || bootverbose) 3840 device_printf(parent, "VIA check2 failed\n"); 3841 goto via_out; 3842 } 3843 3844 if (testing || bootverbose) 3845 ata_raid_via_print_meta(meta); 3846 3847 /* now convert VIA meta into our generic form */ 3848 for (array = 0; array < MAX_ARRAYS; array++) { 3849 if (!raidp[array]) { 3850 raidp[array] = 3851 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3852 M_WAITOK | M_ZERO); 3853 } 3854 raid = raidp[array]; 3855 if (raid->format && (raid->format != AR_F_VIA_RAID)) 3856 continue; 3857 3858 if (raid->format == AR_F_VIA_RAID && (raid->magic_0 != meta->disks[0])) 3859 continue; 3860 3861 switch (meta->type & VIA_T_MASK) { 3862 case VIA_T_RAID0: 3863 raid->type = AR_T_RAID0; 3864 raid->width = meta->stripe_layout & VIA_L_DISKS; 3865 if (!raid->total_sectors || 3866 (raid->total_sectors > (raid->width * meta->disk_sectors))) 3867 raid->total_sectors = raid->width * meta->disk_sectors; 3868 break; 3869 3870 case VIA_T_RAID1: 3871 raid->type = AR_T_RAID1; 3872 raid->width = 1; 3873 raid->total_sectors = meta->disk_sectors; 3874 break; 3875 3876 case VIA_T_RAID01: 3877 raid->type = AR_T_RAID01; 3878 raid->width = meta->stripe_layout & VIA_L_DISKS; 3879 if (!raid->total_sectors || 3880 (raid->total_sectors > (raid->width * meta->disk_sectors))) 3881 raid->total_sectors = raid->width * meta->disk_sectors; 3882 break; 3883 3884 case VIA_T_RAID5: 3885 raid->type = AR_T_RAID5; 3886 raid->width = meta->stripe_layout & VIA_L_DISKS; 3887 if (!raid->total_sectors || 3888 (raid->total_sectors > ((raid->width - 1)*meta->disk_sectors))) 3889 raid->total_sectors = (raid->width - 1) * meta->disk_sectors; 3890 break; 3891 3892 case VIA_T_SPAN: 3893 raid->type = AR_T_SPAN; 3894 raid->width = 1; 3895 raid->total_sectors += meta->disk_sectors; 3896 break; 3897 3898 default: 3899 device_printf(parent,"VIA unknown RAID type 0x%02x\n", meta->type); 3900 kfree(raidp[array], M_AR); 3901 raidp[array] = NULL; 3902 goto via_out; 3903 } 3904 raid->magic_0 = meta->disks[0]; 3905 raid->format = AR_F_VIA_RAID; 3906 raid->generation = 0; 3907 raid->interleave = 3908 0x08 << ((meta->stripe_layout & VIA_L_MASK) >> VIA_L_SHIFT); 3909 for (count = 0, disk = 0; disk < 8; disk++) 3910 if (meta->disks[disk]) 3911 count++; 3912 raid->total_disks = count; 3913 raid->heads = 255; 3914 raid->sectors = 63; 3915 raid->cylinders = raid->total_sectors / (63 * 255); 3916 raid->offset_sectors = 0; 3917 raid->rebuild_lba = 0; 3918 raid->lun = array; 3919 3920 for (disk = 0; disk < raid->total_disks; disk++) { 3921 if (meta->disks[disk] == meta->disk_id) { 3922 raid->disks[disk].dev = parent; 3923 bcopy(&meta->disk_id, raid->disks[disk].serial, 3924 sizeof(u_int32_t)); 3925 raid->disks[disk].sectors = meta->disk_sectors; 3926 raid->disks[disk].flags = 3927 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 3928 ars->raid[raid->volume] = raid; 3929 ars->disk_number[raid->volume] = disk; 3930 retval = 1; 3931 break; 3932 } 3933 } 3934 break; 3935 } 3936 3937 via_out: 3938 kfree(meta, M_AR); 3939 return retval; 3940 } 3941 3942 static int 3943 ata_raid_via_write_meta(struct ar_softc *rdp) 3944 { 3945 struct via_raid_conf *meta; 3946 int disk, error = 0; 3947 3948 meta = (struct via_raid_conf *)kmalloc(sizeof(struct via_raid_conf), M_AR, 3949 M_WAITOK | M_ZERO); 3950 3951 rdp->generation++; 3952 3953 meta->magic = VIA_MAGIC; 3954 meta->dummy_0 = 0x02; 3955 switch (rdp->type) { 3956 case AR_T_SPAN: 3957 meta->type = VIA_T_SPAN; 3958 meta->stripe_layout = (rdp->total_disks & VIA_L_DISKS); 3959 break; 3960 3961 case AR_T_RAID0: 3962 meta->type = VIA_T_RAID0; 3963 meta->stripe_layout = ((rdp->interleave >> 1) & VIA_L_MASK); 3964 meta->stripe_layout |= (rdp->total_disks & VIA_L_DISKS); 3965 break; 3966 3967 case AR_T_RAID1: 3968 meta->type = VIA_T_RAID1; 3969 meta->stripe_layout = (rdp->total_disks & VIA_L_DISKS); 3970 break; 3971 3972 case AR_T_RAID5: 3973 meta->type = VIA_T_RAID5; 3974 meta->stripe_layout = ((rdp->interleave >> 1) & VIA_L_MASK); 3975 meta->stripe_layout |= (rdp->total_disks & VIA_L_DISKS); 3976 break; 3977 3978 case AR_T_RAID01: 3979 meta->type = VIA_T_RAID01; 3980 meta->stripe_layout = ((rdp->interleave >> 1) & VIA_L_MASK); 3981 meta->stripe_layout |= (rdp->width & VIA_L_DISKS); 3982 break; 3983 3984 default: 3985 kfree(meta, M_AR); 3986 return ENODEV; 3987 } 3988 meta->type |= VIA_T_BOOTABLE; /* XXX SOS */ 3989 meta->disk_sectors = 3990 rdp->total_sectors / (rdp->width - (rdp->type == AR_RAID5)); 3991 for (disk = 0; disk < rdp->total_disks; disk++) 3992 meta->disks[disk] = (u_int32_t)(uintptr_t)rdp->disks[disk].dev; 3993 3994 for (disk = 0; disk < rdp->total_disks; disk++) { 3995 if (rdp->disks[disk].dev) { 3996 u_int8_t *ptr; 3997 int count; 3998 3999 meta->disk_index = disk * sizeof(u_int32_t); 4000 if (rdp->type == AR_T_RAID01) 4001 meta->disk_index = ((meta->disk_index & 0x08) << 2) | 4002 (meta->disk_index & ~0x08); 4003 meta->disk_id = meta->disks[disk]; 4004 meta->checksum = 0; 4005 for (ptr = (u_int8_t *)meta, count = 0; count < 50; count++) 4006 meta->checksum += *ptr++; 4007 4008 if (testing || bootverbose) 4009 ata_raid_via_print_meta(meta); 4010 4011 if (ata_raid_rw(rdp->disks[disk].dev, 4012 VIA_LBA(rdp->disks[disk].dev), 4013 meta, sizeof(struct via_raid_conf), 4014 ATA_R_WRITE | ATA_R_DIRECT)) { 4015 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 4016 error = EIO; 4017 } 4018 } 4019 } 4020 kfree(meta, M_AR); 4021 return error; 4022 } 4023 4024 static struct ata_request * 4025 ata_raid_init_request(struct ar_softc *rdp, struct bio *bio) 4026 { 4027 struct ata_request *request; 4028 4029 if (!(request = ata_alloc_request())) { 4030 kprintf("FAILURE - out of memory in ata_raid_init_request\n"); 4031 return NULL; 4032 } 4033 request->timeout = ATA_DEFAULT_TIMEOUT; 4034 request->retries = 2; 4035 request->callback = ata_raid_done; 4036 request->driver = rdp; 4037 request->bio = bio; 4038 switch (request->bio->bio_buf->b_cmd) { 4039 case BUF_CMD_READ: 4040 request->flags = ATA_R_READ; 4041 break; 4042 case BUF_CMD_WRITE: 4043 request->flags = ATA_R_WRITE; 4044 break; 4045 case BUF_CMD_FLUSH: 4046 request->flags = ATA_R_CONTROL; 4047 break; 4048 default: 4049 kprintf("ar%d: FAILURE - unknown BUF operation\n", rdp->lun); 4050 ata_free_request(request); 4051 #if 0 4052 bio->bio_buf->b_flags |= B_ERROR; 4053 bio->bio_buf->b_error = EIO; 4054 biodone(bio); 4055 #endif /* 0 */ 4056 return(NULL); 4057 } 4058 return request; 4059 } 4060 4061 static int 4062 ata_raid_send_request(struct ata_request *request) 4063 { 4064 struct ata_device *atadev = device_get_softc(request->dev); 4065 4066 request->transfersize = min(request->bytecount, atadev->max_iosize); 4067 if (request->flags & ATA_R_READ) { 4068 if (atadev->mode >= ATA_DMA) { 4069 request->flags |= ATA_R_DMA; 4070 request->u.ata.command = ATA_READ_DMA; 4071 } 4072 else if (atadev->max_iosize > DEV_BSIZE) 4073 request->u.ata.command = ATA_READ_MUL; 4074 else 4075 request->u.ata.command = ATA_READ; 4076 } 4077 else if (request->flags & ATA_R_WRITE) { 4078 if (atadev->mode >= ATA_DMA) { 4079 request->flags |= ATA_R_DMA; 4080 request->u.ata.command = ATA_WRITE_DMA; 4081 } 4082 else if (atadev->max_iosize > DEV_BSIZE) 4083 request->u.ata.command = ATA_WRITE_MUL; 4084 else 4085 request->u.ata.command = ATA_WRITE; 4086 } 4087 else { 4088 device_printf(request->dev, "FAILURE - unknown IO operation\n"); 4089 ata_free_request(request); 4090 return EIO; 4091 } 4092 request->flags |= (ATA_R_ORDERED | ATA_R_THREAD); 4093 ata_queue_request(request); 4094 return 0; 4095 } 4096 4097 static int 4098 ata_raid_rw(device_t dev, u_int64_t lba, void *data, u_int bcount, int flags) 4099 { 4100 struct ata_device *atadev = device_get_softc(dev); 4101 struct ata_request *request; 4102 int error; 4103 4104 if (bcount % DEV_BSIZE) { 4105 device_printf(dev, "FAILURE - transfers must be modulo sectorsize\n"); 4106 return ENOMEM; 4107 } 4108 4109 if (!(request = ata_alloc_request())) { 4110 device_printf(dev, "FAILURE - out of memory in ata_raid_rw\n"); 4111 return ENOMEM; 4112 } 4113 4114 /* setup request */ 4115 request->dev = dev; 4116 request->timeout = 10; 4117 request->retries = 0; 4118 request->data = data; 4119 request->bytecount = bcount; 4120 request->transfersize = DEV_BSIZE; 4121 request->u.ata.lba = lba; 4122 request->u.ata.count = request->bytecount / DEV_BSIZE; 4123 request->flags = flags; 4124 4125 if (flags & ATA_R_READ) { 4126 if (atadev->mode >= ATA_DMA) { 4127 request->u.ata.command = ATA_READ_DMA; 4128 request->flags |= ATA_R_DMA; 4129 } 4130 else 4131 request->u.ata.command = ATA_READ; 4132 ata_queue_request(request); 4133 } 4134 else if (flags & ATA_R_WRITE) { 4135 if (atadev->mode >= ATA_DMA) { 4136 request->u.ata.command = ATA_WRITE_DMA; 4137 request->flags |= ATA_R_DMA; 4138 } 4139 else 4140 request->u.ata.command = ATA_WRITE; 4141 ata_queue_request(request); 4142 } 4143 else { 4144 device_printf(dev, "FAILURE - unknown IO operation\n"); 4145 request->result = EIO; 4146 } 4147 error = request->result; 4148 ata_free_request(request); 4149 return error; 4150 } 4151 4152 /* 4153 * module handeling 4154 */ 4155 static int 4156 ata_raid_subdisk_probe(device_t dev) 4157 { 4158 device_quiet(dev); 4159 return 0; 4160 } 4161 4162 static int 4163 ata_raid_subdisk_attach(device_t dev) 4164 { 4165 struct ata_raid_subdisk *ars = device_get_softc(dev); 4166 int volume; 4167 4168 for (volume = 0; volume < MAX_VOLUMES; volume++) { 4169 ars->raid[volume] = NULL; 4170 ars->disk_number[volume] = -1; 4171 } 4172 ata_raid_read_metadata(dev); 4173 return 0; 4174 } 4175 4176 static int 4177 ata_raid_subdisk_detach(device_t dev) 4178 { 4179 struct ata_raid_subdisk *ars = device_get_softc(dev); 4180 int volume; 4181 4182 for (volume = 0; volume < MAX_VOLUMES; volume++) { 4183 if (ars->raid[volume]) { 4184 ars->raid[volume]->disks[ars->disk_number[volume]].flags &= 4185 ~(AR_DF_PRESENT | AR_DF_ONLINE); 4186 ars->raid[volume]->disks[ars->disk_number[volume]].dev = NULL; 4187 #if 0 4188 if (mtx_initialized(&ars->raid[volume]->lock)) 4189 #endif 4190 ata_raid_config_changed(ars->raid[volume], 1); 4191 ars->raid[volume] = NULL; 4192 ars->disk_number[volume] = -1; 4193 } 4194 } 4195 return 0; 4196 } 4197 4198 static device_method_t ata_raid_sub_methods[] = { 4199 /* device interface */ 4200 DEVMETHOD(device_probe, ata_raid_subdisk_probe), 4201 DEVMETHOD(device_attach, ata_raid_subdisk_attach), 4202 DEVMETHOD(device_detach, ata_raid_subdisk_detach), 4203 DEVMETHOD_END 4204 }; 4205 4206 static driver_t ata_raid_sub_driver = { 4207 "subdisk", 4208 ata_raid_sub_methods, 4209 sizeof(struct ata_raid_subdisk) 4210 }; 4211 4212 DRIVER_MODULE(subdisk, ad, ata_raid_sub_driver, ata_raid_sub_devclass, NULL, NULL); 4213 4214 static int 4215 ata_raid_module_event_handler(module_t mod, int what, void *arg) 4216 { 4217 int i; 4218 4219 switch (what) { 4220 case MOD_LOAD: 4221 if (testing || bootverbose) 4222 kprintf("ATA PseudoRAID loaded\n"); 4223 #if 0 4224 /* setup table to hold metadata for all ATA PseudoRAID arrays */ 4225 ata_raid_arrays = kmalloc(sizeof(struct ar_soft *) * MAX_ARRAYS, 4226 M_AR, M_WAITOK | M_ZERO); 4227 #endif 4228 /* attach found PseudoRAID arrays */ 4229 for (i = 0; i < MAX_ARRAYS; i++) { 4230 struct ar_softc *rdp = ata_raid_arrays[i]; 4231 4232 if (!rdp || !rdp->format) 4233 continue; 4234 if (testing || bootverbose) 4235 ata_raid_print_meta(rdp); 4236 ata_raid_attach(rdp, 0); 4237 } 4238 ata_raid_ioctl_func = ata_raid_ioctl; 4239 return 0; 4240 4241 case MOD_UNLOAD: 4242 /* detach found PseudoRAID arrays */ 4243 for (i = 0; i < MAX_ARRAYS; i++) { 4244 struct ar_softc *rdp = ata_raid_arrays[i]; 4245 4246 if (!rdp || !rdp->status) 4247 continue; 4248 #if 0 4249 if (mtx_initialized(&rdp->lock)) 4250 lockuninit(&rdp->lock); 4251 #endif 4252 disk_destroy(&rdp->disk); 4253 } 4254 if (testing || bootverbose) 4255 kprintf("ATA PseudoRAID unloaded\n"); 4256 #if 0 4257 kfree(ata_raid_arrays, M_AR); 4258 #endif 4259 ata_raid_ioctl_func = NULL; 4260 return 0; 4261 4262 default: 4263 return EOPNOTSUPP; 4264 } 4265 } 4266 4267 static moduledata_t ata_raid_moduledata = 4268 { "ataraid", ata_raid_module_event_handler, NULL }; 4269 DECLARE_MODULE(ata, ata_raid_moduledata, SI_SUB_RAID, SI_ORDER_FIRST); 4270 MODULE_VERSION(ataraid, 1); 4271 MODULE_DEPEND(ataraid, ata, 1, 1, 1); 4272 MODULE_DEPEND(ataraid, ad, 1, 1, 1); 4273 4274 static char * 4275 ata_raid_format(struct ar_softc *rdp) 4276 { 4277 switch (rdp->format) { 4278 case AR_F_FREEBSD_RAID: return "FreeBSD PseudoRAID"; 4279 case AR_F_ADAPTEC_RAID: return "Adaptec HostRAID"; 4280 case AR_F_HPTV2_RAID: return "HighPoint v2 RocketRAID"; 4281 case AR_F_HPTV3_RAID: return "HighPoint v3 RocketRAID"; 4282 case AR_F_INTEL_RAID: return "Intel MatrixRAID"; 4283 case AR_F_ITE_RAID: return "Integrated Technology Express"; 4284 case AR_F_JMICRON_RAID: return "JMicron Technology Corp"; 4285 case AR_F_LSIV2_RAID: return "LSILogic v2 MegaRAID"; 4286 case AR_F_LSIV3_RAID: return "LSILogic v3 MegaRAID"; 4287 case AR_F_NVIDIA_RAID: return "nVidia MediaShield"; 4288 case AR_F_PROMISE_RAID: return "Promise Fasttrak"; 4289 case AR_F_SII_RAID: return "Silicon Image Medley"; 4290 case AR_F_SIS_RAID: return "Silicon Integrated Systems"; 4291 case AR_F_VIA_RAID: return "VIA Tech V-RAID"; 4292 default: return "UNKNOWN"; 4293 } 4294 } 4295 4296 static char * 4297 ata_raid_type(struct ar_softc *rdp) 4298 { 4299 switch (rdp->type) { 4300 case AR_T_JBOD: return "JBOD"; 4301 case AR_T_SPAN: return "SPAN"; 4302 case AR_T_RAID0: return "RAID0"; 4303 case AR_T_RAID1: return "RAID1"; 4304 case AR_T_RAID3: return "RAID3"; 4305 case AR_T_RAID4: return "RAID4"; 4306 case AR_T_RAID5: return "RAID5"; 4307 case AR_T_RAID01: return "RAID0+1"; 4308 default: return "UNKNOWN"; 4309 } 4310 } 4311 4312 static char * 4313 ata_raid_flags(struct ar_softc *rdp) 4314 { 4315 switch (rdp->status & (AR_S_READY | AR_S_DEGRADED | AR_S_REBUILDING)) { 4316 case AR_S_READY: return "READY"; 4317 case AR_S_READY | AR_S_DEGRADED: return "DEGRADED"; 4318 case AR_S_READY | AR_S_REBUILDING: 4319 case AR_S_READY | AR_S_DEGRADED | AR_S_REBUILDING: return "REBUILDING"; 4320 default: return "BROKEN"; 4321 } 4322 } 4323 4324 /* debugging gunk */ 4325 static void 4326 ata_raid_print_meta(struct ar_softc *raid) 4327 { 4328 int i; 4329 4330 kprintf("********** ATA PseudoRAID ar%d Metadata **********\n", raid->lun); 4331 kprintf("=================================================\n"); 4332 kprintf("format %s\n", ata_raid_format(raid)); 4333 kprintf("type %s\n", ata_raid_type(raid)); 4334 kprintf("flags 0x%02x %b\n", raid->status, raid->status, 4335 "\20\3REBUILDING\2DEGRADED\1READY\n"); 4336 kprintf("magic_0 0x%016jx\n", raid->magic_0); 4337 kprintf("magic_1 0x%016jx\n",raid->magic_1); 4338 kprintf("generation %u\n", raid->generation); 4339 kprintf("total_sectors %ju\n", raid->total_sectors); 4340 kprintf("offset_sectors %ju\n", raid->offset_sectors); 4341 kprintf("heads %u\n", raid->heads); 4342 kprintf("sectors %u\n", raid->sectors); 4343 kprintf("cylinders %u\n", raid->cylinders); 4344 kprintf("width %u\n", raid->width); 4345 kprintf("interleave %u\n", raid->interleave); 4346 kprintf("total_disks %u\n", raid->total_disks); 4347 for (i = 0; i < raid->total_disks; i++) { 4348 kprintf(" disk %d: flags = 0x%02x %b\n", i, raid->disks[i].flags, 4349 raid->disks[i].flags, "\20\4ONLINE\3SPARE\2ASSIGNED\1PRESENT\n"); 4350 if (raid->disks[i].dev) { 4351 kprintf(" "); 4352 device_printf(raid->disks[i].dev, " sectors %jd\n", 4353 raid->disks[i].sectors); 4354 } 4355 } 4356 kprintf("=================================================\n"); 4357 } 4358 4359 static char * 4360 ata_raid_adaptec_type(int type) 4361 { 4362 static char buffer[16]; 4363 4364 switch (type) { 4365 case ADP_T_RAID0: return "RAID0"; 4366 case ADP_T_RAID1: return "RAID1"; 4367 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4368 return buffer; 4369 } 4370 } 4371 4372 static void 4373 ata_raid_adaptec_print_meta(struct adaptec_raid_conf *meta) 4374 { 4375 int i; 4376 4377 kprintf("********* ATA Adaptec HostRAID Metadata *********\n"); 4378 kprintf("magic_0 <0x%08x>\n", be32toh(meta->magic_0)); 4379 kprintf("generation 0x%08x\n", be32toh(meta->generation)); 4380 kprintf("dummy_0 0x%04x\n", be16toh(meta->dummy_0)); 4381 kprintf("total_configs %u\n", be16toh(meta->total_configs)); 4382 kprintf("dummy_1 0x%04x\n", be16toh(meta->dummy_1)); 4383 kprintf("checksum 0x%04x\n", be16toh(meta->checksum)); 4384 kprintf("dummy_2 0x%08x\n", be32toh(meta->dummy_2)); 4385 kprintf("dummy_3 0x%08x\n", be32toh(meta->dummy_3)); 4386 kprintf("flags 0x%08x\n", be32toh(meta->flags)); 4387 kprintf("timestamp 0x%08x\n", be32toh(meta->timestamp)); 4388 kprintf("dummy_4 0x%08x 0x%08x 0x%08x 0x%08x\n", 4389 be32toh(meta->dummy_4[0]), be32toh(meta->dummy_4[1]), 4390 be32toh(meta->dummy_4[2]), be32toh(meta->dummy_4[3])); 4391 kprintf("dummy_5 0x%08x 0x%08x 0x%08x 0x%08x\n", 4392 be32toh(meta->dummy_5[0]), be32toh(meta->dummy_5[1]), 4393 be32toh(meta->dummy_5[2]), be32toh(meta->dummy_5[3])); 4394 4395 for (i = 0; i < be16toh(meta->total_configs); i++) { 4396 kprintf(" %d total_disks %u\n", i, 4397 be16toh(meta->configs[i].disk_number)); 4398 kprintf(" %d generation %u\n", i, 4399 be16toh(meta->configs[i].generation)); 4400 kprintf(" %d magic_0 0x%08x\n", i, 4401 be32toh(meta->configs[i].magic_0)); 4402 kprintf(" %d dummy_0 0x%02x\n", i, meta->configs[i].dummy_0); 4403 kprintf(" %d type %s\n", i, 4404 ata_raid_adaptec_type(meta->configs[i].type)); 4405 kprintf(" %d dummy_1 0x%02x\n", i, meta->configs[i].dummy_1); 4406 kprintf(" %d flags %d\n", i, 4407 be32toh(meta->configs[i].flags)); 4408 kprintf(" %d dummy_2 0x%02x\n", i, meta->configs[i].dummy_2); 4409 kprintf(" %d dummy_3 0x%02x\n", i, meta->configs[i].dummy_3); 4410 kprintf(" %d dummy_4 0x%02x\n", i, meta->configs[i].dummy_4); 4411 kprintf(" %d dummy_5 0x%02x\n", i, meta->configs[i].dummy_5); 4412 kprintf(" %d disk_number %u\n", i, 4413 be32toh(meta->configs[i].disk_number)); 4414 kprintf(" %d dummy_6 0x%08x\n", i, 4415 be32toh(meta->configs[i].dummy_6)); 4416 kprintf(" %d sectors %u\n", i, 4417 be32toh(meta->configs[i].sectors)); 4418 kprintf(" %d stripe_shift %u\n", i, 4419 be16toh(meta->configs[i].stripe_shift)); 4420 kprintf(" %d dummy_7 0x%08x\n", i, 4421 be32toh(meta->configs[i].dummy_7)); 4422 kprintf(" %d dummy_8 0x%08x 0x%08x 0x%08x 0x%08x\n", i, 4423 be32toh(meta->configs[i].dummy_8[0]), 4424 be32toh(meta->configs[i].dummy_8[1]), 4425 be32toh(meta->configs[i].dummy_8[2]), 4426 be32toh(meta->configs[i].dummy_8[3])); 4427 kprintf(" %d name <%s>\n", i, meta->configs[i].name); 4428 } 4429 kprintf("magic_1 <0x%08x>\n", be32toh(meta->magic_1)); 4430 kprintf("magic_2 <0x%08x>\n", be32toh(meta->magic_2)); 4431 kprintf("magic_3 <0x%08x>\n", be32toh(meta->magic_3)); 4432 kprintf("magic_4 <0x%08x>\n", be32toh(meta->magic_4)); 4433 kprintf("=================================================\n"); 4434 } 4435 4436 static char * 4437 ata_raid_hptv2_type(int type) 4438 { 4439 static char buffer[16]; 4440 4441 switch (type) { 4442 case HPTV2_T_RAID0: return "RAID0"; 4443 case HPTV2_T_RAID1: return "RAID1"; 4444 case HPTV2_T_RAID01_RAID0: return "RAID01_RAID0"; 4445 case HPTV2_T_SPAN: return "SPAN"; 4446 case HPTV2_T_RAID_3: return "RAID3"; 4447 case HPTV2_T_RAID_5: return "RAID5"; 4448 case HPTV2_T_JBOD: return "JBOD"; 4449 case HPTV2_T_RAID01_RAID1: return "RAID01_RAID1"; 4450 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4451 return buffer; 4452 } 4453 } 4454 4455 static void 4456 ata_raid_hptv2_print_meta(struct hptv2_raid_conf *meta) 4457 { 4458 int i; 4459 4460 kprintf("****** ATA Highpoint V2 RocketRAID Metadata *****\n"); 4461 kprintf("magic 0x%08x\n", meta->magic); 4462 kprintf("magic_0 0x%08x\n", meta->magic_0); 4463 kprintf("magic_1 0x%08x\n", meta->magic_1); 4464 kprintf("order 0x%08x\n", meta->order); 4465 kprintf("array_width %u\n", meta->array_width); 4466 kprintf("stripe_shift %u\n", meta->stripe_shift); 4467 kprintf("type %s\n", ata_raid_hptv2_type(meta->type)); 4468 kprintf("disk_number %u\n", meta->disk_number); 4469 kprintf("total_sectors %u\n", meta->total_sectors); 4470 kprintf("disk_mode 0x%08x\n", meta->disk_mode); 4471 kprintf("boot_mode 0x%08x\n", meta->boot_mode); 4472 kprintf("boot_disk 0x%02x\n", meta->boot_disk); 4473 kprintf("boot_protect 0x%02x\n", meta->boot_protect); 4474 kprintf("log_entries 0x%02x\n", meta->error_log_entries); 4475 kprintf("log_index 0x%02x\n", meta->error_log_index); 4476 if (meta->error_log_entries) { 4477 kprintf(" timestamp reason disk status sectors lba\n"); 4478 for (i = meta->error_log_index; 4479 i < meta->error_log_index + meta->error_log_entries; i++) 4480 kprintf(" 0x%08x 0x%02x 0x%02x 0x%02x 0x%02x 0x%08x\n", 4481 meta->errorlog[i%32].timestamp, 4482 meta->errorlog[i%32].reason, 4483 meta->errorlog[i%32].disk, meta->errorlog[i%32].status, 4484 meta->errorlog[i%32].sectors, meta->errorlog[i%32].lba); 4485 } 4486 kprintf("rebuild_lba 0x%08x\n", meta->rebuild_lba); 4487 kprintf("dummy_1 0x%02x\n", meta->dummy_1); 4488 kprintf("name_1 <%.15s>\n", meta->name_1); 4489 kprintf("dummy_2 0x%02x\n", meta->dummy_2); 4490 kprintf("name_2 <%.15s>\n", meta->name_2); 4491 kprintf("=================================================\n"); 4492 } 4493 4494 static char * 4495 ata_raid_hptv3_type(int type) 4496 { 4497 static char buffer[16]; 4498 4499 switch (type) { 4500 case HPTV3_T_SPARE: return "SPARE"; 4501 case HPTV3_T_JBOD: return "JBOD"; 4502 case HPTV3_T_SPAN: return "SPAN"; 4503 case HPTV3_T_RAID0: return "RAID0"; 4504 case HPTV3_T_RAID1: return "RAID1"; 4505 case HPTV3_T_RAID3: return "RAID3"; 4506 case HPTV3_T_RAID5: return "RAID5"; 4507 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4508 return buffer; 4509 } 4510 } 4511 4512 static void 4513 ata_raid_hptv3_print_meta(struct hptv3_raid_conf *meta) 4514 { 4515 int i; 4516 4517 kprintf("****** ATA Highpoint V3 RocketRAID Metadata *****\n"); 4518 kprintf("magic 0x%08x\n", meta->magic); 4519 kprintf("magic_0 0x%08x\n", meta->magic_0); 4520 kprintf("checksum_0 0x%02x\n", meta->checksum_0); 4521 kprintf("mode 0x%02x\n", meta->mode); 4522 kprintf("user_mode 0x%02x\n", meta->user_mode); 4523 kprintf("config_entries 0x%02x\n", meta->config_entries); 4524 for (i = 0; i < meta->config_entries; i++) { 4525 kprintf("config %d:\n", i); 4526 kprintf(" total_sectors %ju\n", 4527 meta->configs[0].total_sectors + 4528 ((u_int64_t)meta->configs_high[0].total_sectors << 32)); 4529 kprintf(" type %s\n", 4530 ata_raid_hptv3_type(meta->configs[i].type)); 4531 kprintf(" total_disks %u\n", meta->configs[i].total_disks); 4532 kprintf(" disk_number %u\n", meta->configs[i].disk_number); 4533 kprintf(" stripe_shift %u\n", meta->configs[i].stripe_shift); 4534 kprintf(" status %b\n", meta->configs[i].status, 4535 "\20\2RAID5\1NEED_REBUILD\n"); 4536 kprintf(" critical_disks %u\n", meta->configs[i].critical_disks); 4537 kprintf(" rebuild_lba %ju\n", 4538 meta->configs_high[0].rebuild_lba + 4539 ((u_int64_t)meta->configs_high[0].rebuild_lba << 32)); 4540 } 4541 kprintf("name <%.16s>\n", meta->name); 4542 kprintf("timestamp 0x%08x\n", meta->timestamp); 4543 kprintf("description <%.16s>\n", meta->description); 4544 kprintf("creator <%.16s>\n", meta->creator); 4545 kprintf("checksum_1 0x%02x\n", meta->checksum_1); 4546 kprintf("dummy_0 0x%02x\n", meta->dummy_0); 4547 kprintf("dummy_1 0x%02x\n", meta->dummy_1); 4548 kprintf("flags %b\n", meta->flags, 4549 "\20\4RCACHE\3WCACHE\2NCQ\1TCQ\n"); 4550 kprintf("=================================================\n"); 4551 } 4552 4553 static char * 4554 ata_raid_intel_type(int type) 4555 { 4556 static char buffer[16]; 4557 4558 switch (type) { 4559 case INTEL_T_RAID0: return "RAID0"; 4560 case INTEL_T_RAID1: return "RAID1"; 4561 case INTEL_T_RAID5: return "RAID5"; 4562 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4563 return buffer; 4564 } 4565 } 4566 4567 static void 4568 ata_raid_intel_print_meta(struct intel_raid_conf *meta) 4569 { 4570 struct intel_raid_mapping *map; 4571 int i, j; 4572 4573 kprintf("********* ATA Intel MatrixRAID Metadata *********\n"); 4574 kprintf("intel_id <%.24s>\n", meta->intel_id); 4575 kprintf("version <%.6s>\n", meta->version); 4576 kprintf("checksum 0x%08x\n", meta->checksum); 4577 kprintf("config_size 0x%08x\n", meta->config_size); 4578 kprintf("config_id 0x%08x\n", meta->config_id); 4579 kprintf("generation 0x%08x\n", meta->generation); 4580 kprintf("total_disks %u\n", meta->total_disks); 4581 kprintf("total_volumes %u\n", meta->total_volumes); 4582 kprintf("DISK# serial disk_sectors disk_id flags\n"); 4583 for (i = 0; i < meta->total_disks; i++ ) { 4584 kprintf(" %d <%.16s> %u 0x%08x 0x%08x\n", i, 4585 meta->disk[i].serial, meta->disk[i].sectors, 4586 meta->disk[i].id, meta->disk[i].flags); 4587 } 4588 map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks]; 4589 for (j = 0; j < meta->total_volumes; j++) { 4590 kprintf("name %.16s\n", map->name); 4591 kprintf("total_sectors %ju\n", map->total_sectors); 4592 kprintf("state %u\n", map->state); 4593 kprintf("reserved %u\n", map->reserved); 4594 kprintf("offset %u\n", map->offset); 4595 kprintf("disk_sectors %u\n", map->disk_sectors); 4596 kprintf("stripe_count %u\n", map->stripe_count); 4597 kprintf("stripe_sectors %u\n", map->stripe_sectors); 4598 kprintf("status %u\n", map->status); 4599 kprintf("type %s\n", ata_raid_intel_type(map->type)); 4600 kprintf("total_disks %u\n", map->total_disks); 4601 kprintf("magic[0] 0x%02x\n", map->magic[0]); 4602 kprintf("magic[1] 0x%02x\n", map->magic[1]); 4603 kprintf("magic[2] 0x%02x\n", map->magic[2]); 4604 for (i = 0; i < map->total_disks; i++ ) { 4605 kprintf(" disk %d at disk_idx 0x%08x\n", i, map->disk_idx[i]); 4606 } 4607 map = (struct intel_raid_mapping *)&map->disk_idx[map->total_disks]; 4608 } 4609 kprintf("=================================================\n"); 4610 } 4611 4612 static char * 4613 ata_raid_ite_type(int type) 4614 { 4615 static char buffer[16]; 4616 4617 switch (type) { 4618 case ITE_T_RAID0: return "RAID0"; 4619 case ITE_T_RAID1: return "RAID1"; 4620 case ITE_T_RAID01: return "RAID0+1"; 4621 case ITE_T_SPAN: return "SPAN"; 4622 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4623 return buffer; 4624 } 4625 } 4626 4627 static void 4628 ata_raid_ite_print_meta(struct ite_raid_conf *meta) 4629 { 4630 kprintf("*** ATA Integrated Technology Express Metadata **\n"); 4631 kprintf("ite_id <%.40s>\n", meta->ite_id); 4632 kprintf("timestamp_0 %04x/%02x/%02x %02x:%02x:%02x.%02x\n", 4633 *((u_int16_t *)meta->timestamp_0), meta->timestamp_0[2], 4634 meta->timestamp_0[3], meta->timestamp_0[5], meta->timestamp_0[4], 4635 meta->timestamp_0[7], meta->timestamp_0[6]); 4636 kprintf("total_sectors %jd\n", meta->total_sectors); 4637 kprintf("type %s\n", ata_raid_ite_type(meta->type)); 4638 kprintf("stripe_1kblocks %u\n", meta->stripe_1kblocks); 4639 kprintf("timestamp_1 %04x/%02x/%02x %02x:%02x:%02x.%02x\n", 4640 *((u_int16_t *)meta->timestamp_1), meta->timestamp_1[2], 4641 meta->timestamp_1[3], meta->timestamp_1[5], meta->timestamp_1[4], 4642 meta->timestamp_1[7], meta->timestamp_1[6]); 4643 kprintf("stripe_sectors %u\n", meta->stripe_sectors); 4644 kprintf("array_width %u\n", meta->array_width); 4645 kprintf("disk_number %u\n", meta->disk_number); 4646 kprintf("disk_sectors %u\n", meta->disk_sectors); 4647 kprintf("=================================================\n"); 4648 } 4649 4650 static char * 4651 ata_raid_jmicron_type(int type) 4652 { 4653 static char buffer[16]; 4654 4655 switch (type) { 4656 case JM_T_RAID0: return "RAID0"; 4657 case JM_T_RAID1: return "RAID1"; 4658 case JM_T_RAID01: return "RAID0+1"; 4659 case JM_T_JBOD: return "JBOD"; 4660 case JM_T_RAID5: return "RAID5"; 4661 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4662 return buffer; 4663 } 4664 } 4665 4666 static void 4667 ata_raid_jmicron_print_meta(struct jmicron_raid_conf *meta) 4668 { 4669 int i; 4670 4671 kprintf("***** ATA JMicron Technology Corp Metadata ******\n"); 4672 kprintf("signature %.2s\n", meta->signature); 4673 kprintf("version 0x%04x\n", meta->version); 4674 kprintf("checksum 0x%04x\n", meta->checksum); 4675 kprintf("disk_id 0x%08x\n", meta->disk_id); 4676 kprintf("offset 0x%08x\n", meta->offset); 4677 kprintf("disk_sectors_low 0x%08x\n", meta->disk_sectors_low); 4678 kprintf("disk_sectors_high 0x%08x\n", meta->disk_sectors_high); 4679 kprintf("name %.16s\n", meta->name); 4680 kprintf("type %s\n", ata_raid_jmicron_type(meta->type)); 4681 kprintf("stripe_shift %d\n", meta->stripe_shift); 4682 kprintf("flags 0x%04x\n", meta->flags); 4683 kprintf("spare:\n"); 4684 for (i=0; i < 2 && meta->spare[i]; i++) 4685 kprintf(" %d 0x%08x\n", i, meta->spare[i]); 4686 kprintf("disks:\n"); 4687 for (i=0; i < 8 && meta->disks[i]; i++) 4688 kprintf(" %d 0x%08x\n", i, meta->disks[i]); 4689 kprintf("=================================================\n"); 4690 } 4691 4692 static char * 4693 ata_raid_lsiv2_type(int type) 4694 { 4695 static char buffer[16]; 4696 4697 switch (type) { 4698 case LSIV2_T_RAID0: return "RAID0"; 4699 case LSIV2_T_RAID1: return "RAID1"; 4700 case LSIV2_T_SPARE: return "SPARE"; 4701 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4702 return buffer; 4703 } 4704 } 4705 4706 static void 4707 ata_raid_lsiv2_print_meta(struct lsiv2_raid_conf *meta) 4708 { 4709 int i; 4710 4711 kprintf("******* ATA LSILogic V2 MegaRAID Metadata *******\n"); 4712 kprintf("lsi_id <%s>\n", meta->lsi_id); 4713 kprintf("dummy_0 0x%02x\n", meta->dummy_0); 4714 kprintf("flags 0x%02x\n", meta->flags); 4715 kprintf("version 0x%04x\n", meta->version); 4716 kprintf("config_entries 0x%02x\n", meta->config_entries); 4717 kprintf("raid_count 0x%02x\n", meta->raid_count); 4718 kprintf("total_disks 0x%02x\n", meta->total_disks); 4719 kprintf("dummy_1 0x%02x\n", meta->dummy_1); 4720 kprintf("dummy_2 0x%04x\n", meta->dummy_2); 4721 for (i = 0; i < meta->config_entries; i++) { 4722 kprintf(" type %s\n", 4723 ata_raid_lsiv2_type(meta->configs[i].raid.type)); 4724 kprintf(" dummy_0 %02x\n", meta->configs[i].raid.dummy_0); 4725 kprintf(" stripe_sectors %u\n", 4726 meta->configs[i].raid.stripe_sectors); 4727 kprintf(" array_width %u\n", 4728 meta->configs[i].raid.array_width); 4729 kprintf(" disk_count %u\n", meta->configs[i].raid.disk_count); 4730 kprintf(" config_offset %u\n", 4731 meta->configs[i].raid.config_offset); 4732 kprintf(" dummy_1 %u\n", meta->configs[i].raid.dummy_1); 4733 kprintf(" flags %02x\n", meta->configs[i].raid.flags); 4734 kprintf(" total_sectors %u\n", 4735 meta->configs[i].raid.total_sectors); 4736 } 4737 kprintf("disk_number 0x%02x\n", meta->disk_number); 4738 kprintf("raid_number 0x%02x\n", meta->raid_number); 4739 kprintf("timestamp 0x%08x\n", meta->timestamp); 4740 kprintf("=================================================\n"); 4741 } 4742 4743 static char * 4744 ata_raid_lsiv3_type(int type) 4745 { 4746 static char buffer[16]; 4747 4748 switch (type) { 4749 case LSIV3_T_RAID0: return "RAID0"; 4750 case LSIV3_T_RAID1: return "RAID1"; 4751 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4752 return buffer; 4753 } 4754 } 4755 4756 static void 4757 ata_raid_lsiv3_print_meta(struct lsiv3_raid_conf *meta) 4758 { 4759 int i; 4760 4761 kprintf("******* ATA LSILogic V3 MegaRAID Metadata *******\n"); 4762 kprintf("lsi_id <%.6s>\n", meta->lsi_id); 4763 kprintf("dummy_0 0x%04x\n", meta->dummy_0); 4764 kprintf("version 0x%04x\n", meta->version); 4765 kprintf("dummy_0 0x%04x\n", meta->dummy_1); 4766 kprintf("RAID configs:\n"); 4767 for (i = 0; i < 8; i++) { 4768 if (meta->raid[i].total_disks) { 4769 kprintf("%02d stripe_pages %u\n", i, 4770 meta->raid[i].stripe_pages); 4771 kprintf("%02d type %s\n", i, 4772 ata_raid_lsiv3_type(meta->raid[i].type)); 4773 kprintf("%02d total_disks %u\n", i, 4774 meta->raid[i].total_disks); 4775 kprintf("%02d array_width %u\n", i, 4776 meta->raid[i].array_width); 4777 kprintf("%02d sectors %u\n", i, meta->raid[i].sectors); 4778 kprintf("%02d offset %u\n", i, meta->raid[i].offset); 4779 kprintf("%02d device 0x%02x\n", i, 4780 meta->raid[i].device); 4781 } 4782 } 4783 kprintf("DISK configs:\n"); 4784 for (i = 0; i < 6; i++) { 4785 if (meta->disk[i].disk_sectors) { 4786 kprintf("%02d disk_sectors %u\n", i, 4787 meta->disk[i].disk_sectors); 4788 kprintf("%02d flags 0x%02x\n", i, meta->disk[i].flags); 4789 } 4790 } 4791 kprintf("device 0x%02x\n", meta->device); 4792 kprintf("timestamp 0x%08x\n", meta->timestamp); 4793 kprintf("checksum_1 0x%02x\n", meta->checksum_1); 4794 kprintf("=================================================\n"); 4795 } 4796 4797 static char * 4798 ata_raid_nvidia_type(int type) 4799 { 4800 static char buffer[16]; 4801 4802 switch (type) { 4803 case NV_T_SPAN: return "SPAN"; 4804 case NV_T_RAID0: return "RAID0"; 4805 case NV_T_RAID1: return "RAID1"; 4806 case NV_T_RAID3: return "RAID3"; 4807 case NV_T_RAID5: return "RAID5"; 4808 case NV_T_RAID01: return "RAID0+1"; 4809 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4810 return buffer; 4811 } 4812 } 4813 4814 static void 4815 ata_raid_nvidia_print_meta(struct nvidia_raid_conf *meta) 4816 { 4817 kprintf("******** ATA nVidia MediaShield Metadata ********\n"); 4818 kprintf("nvidia_id <%.8s>\n", meta->nvidia_id); 4819 kprintf("config_size %u\n", meta->config_size); 4820 kprintf("checksum 0x%08x\n", meta->checksum); 4821 kprintf("version 0x%04x\n", meta->version); 4822 kprintf("disk_number %u\n", meta->disk_number); 4823 kprintf("dummy_0 0x%02x\n", meta->dummy_0); 4824 kprintf("total_sectors %u\n", meta->total_sectors); 4825 kprintf("sectors_size %u\n", meta->sector_size); 4826 kprintf("serial %.16s\n", meta->serial); 4827 kprintf("revision %.4s\n", meta->revision); 4828 kprintf("dummy_1 0x%08x\n", meta->dummy_1); 4829 kprintf("magic_0 0x%08x\n", meta->magic_0); 4830 kprintf("magic_1 0x%016jx\n", meta->magic_1); 4831 kprintf("magic_2 0x%016jx\n", meta->magic_2); 4832 kprintf("flags 0x%02x\n", meta->flags); 4833 kprintf("array_width %u\n", meta->array_width); 4834 kprintf("total_disks %u\n", meta->total_disks); 4835 kprintf("dummy_2 0x%02x\n", meta->dummy_2); 4836 kprintf("type %s\n", ata_raid_nvidia_type(meta->type)); 4837 kprintf("dummy_3 0x%04x\n", meta->dummy_3); 4838 kprintf("stripe_sectors %u\n", meta->stripe_sectors); 4839 kprintf("stripe_bytes %u\n", meta->stripe_bytes); 4840 kprintf("stripe_shift %u\n", meta->stripe_shift); 4841 kprintf("stripe_mask 0x%08x\n", meta->stripe_mask); 4842 kprintf("stripe_sizesectors %u\n", meta->stripe_sizesectors); 4843 kprintf("stripe_sizebytes %u\n", meta->stripe_sizebytes); 4844 kprintf("rebuild_lba %u\n", meta->rebuild_lba); 4845 kprintf("dummy_4 0x%08x\n", meta->dummy_4); 4846 kprintf("dummy_5 0x%08x\n", meta->dummy_5); 4847 kprintf("status 0x%08x\n", meta->status); 4848 kprintf("=================================================\n"); 4849 } 4850 4851 static char * 4852 ata_raid_promise_type(int type) 4853 { 4854 static char buffer[16]; 4855 4856 switch (type) { 4857 case PR_T_RAID0: return "RAID0"; 4858 case PR_T_RAID1: return "RAID1"; 4859 case PR_T_RAID3: return "RAID3"; 4860 case PR_T_RAID5: return "RAID5"; 4861 case PR_T_SPAN: return "SPAN"; 4862 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4863 return buffer; 4864 } 4865 } 4866 4867 static void 4868 ata_raid_promise_print_meta(struct promise_raid_conf *meta) 4869 { 4870 int i; 4871 4872 kprintf("********* ATA Promise FastTrak Metadata *********\n"); 4873 kprintf("promise_id <%s>\n", meta->promise_id); 4874 kprintf("dummy_0 0x%08x\n", meta->dummy_0); 4875 kprintf("magic_0 0x%016jx\n", meta->magic_0); 4876 kprintf("magic_1 0x%04x\n", meta->magic_1); 4877 kprintf("magic_2 0x%08x\n", meta->magic_2); 4878 kprintf("integrity 0x%08x %b\n", meta->raid.integrity, 4879 meta->raid.integrity, "\20\10VALID\n" ); 4880 kprintf("flags 0x%02x %b\n", 4881 meta->raid.flags, meta->raid.flags, 4882 "\20\10READY\7DOWN\6REDIR\5DUPLICATE\4SPARE" 4883 "\3ASSIGNED\2ONLINE\1VALID\n"); 4884 kprintf("disk_number %d\n", meta->raid.disk_number); 4885 kprintf("channel 0x%02x\n", meta->raid.channel); 4886 kprintf("device 0x%02x\n", meta->raid.device); 4887 kprintf("magic_0 0x%016jx\n", meta->raid.magic_0); 4888 kprintf("disk_offset %u\n", meta->raid.disk_offset); 4889 kprintf("disk_sectors %u\n", meta->raid.disk_sectors); 4890 kprintf("rebuild_lba 0x%08x\n", meta->raid.rebuild_lba); 4891 kprintf("generation 0x%04x\n", meta->raid.generation); 4892 kprintf("status 0x%02x %b\n", 4893 meta->raid.status, meta->raid.status, 4894 "\20\6MARKED\5DEGRADED\4READY\3INITED\2ONLINE\1VALID\n"); 4895 kprintf("type %s\n", ata_raid_promise_type(meta->raid.type)); 4896 kprintf("total_disks %u\n", meta->raid.total_disks); 4897 kprintf("stripe_shift %u\n", meta->raid.stripe_shift); 4898 kprintf("array_width %u\n", meta->raid.array_width); 4899 kprintf("array_number %u\n", meta->raid.array_number); 4900 kprintf("total_sectors %u\n", meta->raid.total_sectors); 4901 kprintf("cylinders %u\n", meta->raid.cylinders); 4902 kprintf("heads %u\n", meta->raid.heads); 4903 kprintf("sectors %u\n", meta->raid.sectors); 4904 kprintf("magic_1 0x%016jx\n", meta->raid.magic_1); 4905 kprintf("DISK# flags dummy_0 channel device magic_0\n"); 4906 for (i = 0; i < 8; i++) { 4907 kprintf(" %d %b 0x%02x 0x%02x 0x%02x ", 4908 i, meta->raid.disk[i].flags, 4909 "\20\10READY\7DOWN\6REDIR\5DUPLICATE\4SPARE" 4910 "\3ASSIGNED\2ONLINE\1VALID\n", meta->raid.disk[i].dummy_0, 4911 meta->raid.disk[i].channel, meta->raid.disk[i].device); 4912 kprintf("0x%016jx\n", meta->raid.disk[i].magic_0); 4913 } 4914 kprintf("checksum 0x%08x\n", meta->checksum); 4915 kprintf("=================================================\n"); 4916 } 4917 4918 static char * 4919 ata_raid_sii_type(int type) 4920 { 4921 static char buffer[16]; 4922 4923 switch (type) { 4924 case SII_T_RAID0: return "RAID0"; 4925 case SII_T_RAID1: return "RAID1"; 4926 case SII_T_RAID01: return "RAID0+1"; 4927 case SII_T_SPARE: return "SPARE"; 4928 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4929 return buffer; 4930 } 4931 } 4932 4933 static void 4934 ata_raid_sii_print_meta(struct sii_raid_conf *meta) 4935 { 4936 kprintf("******* ATA Silicon Image Medley Metadata *******\n"); 4937 kprintf("total_sectors %ju\n", meta->total_sectors); 4938 kprintf("dummy_0 0x%04x\n", meta->dummy_0); 4939 kprintf("dummy_1 0x%04x\n", meta->dummy_1); 4940 kprintf("controller_pci_id 0x%08x\n", meta->controller_pci_id); 4941 kprintf("version_minor 0x%04x\n", meta->version_minor); 4942 kprintf("version_major 0x%04x\n", meta->version_major); 4943 kprintf("timestamp 20%02x/%02x/%02x %02x:%02x:%02x\n", 4944 meta->timestamp[5], meta->timestamp[4], meta->timestamp[3], 4945 meta->timestamp[2], meta->timestamp[1], meta->timestamp[0]); 4946 kprintf("stripe_sectors %u\n", meta->stripe_sectors); 4947 kprintf("dummy_2 0x%04x\n", meta->dummy_2); 4948 kprintf("disk_number %u\n", meta->disk_number); 4949 kprintf("type %s\n", ata_raid_sii_type(meta->type)); 4950 kprintf("raid0_disks %u\n", meta->raid0_disks); 4951 kprintf("raid0_ident %u\n", meta->raid0_ident); 4952 kprintf("raid1_disks %u\n", meta->raid1_disks); 4953 kprintf("raid1_ident %u\n", meta->raid1_ident); 4954 kprintf("rebuild_lba %ju\n", meta->rebuild_lba); 4955 kprintf("generation 0x%08x\n", meta->generation); 4956 kprintf("status 0x%02x %b\n", 4957 meta->status, meta->status, 4958 "\20\1READY\n"); 4959 kprintf("base_raid1_position %02x\n", meta->base_raid1_position); 4960 kprintf("base_raid0_position %02x\n", meta->base_raid0_position); 4961 kprintf("position %02x\n", meta->position); 4962 kprintf("dummy_3 %04x\n", meta->dummy_3); 4963 kprintf("name <%.16s>\n", meta->name); 4964 kprintf("checksum_0 0x%04x\n", meta->checksum_0); 4965 kprintf("checksum_1 0x%04x\n", meta->checksum_1); 4966 kprintf("=================================================\n"); 4967 } 4968 4969 static char * 4970 ata_raid_sis_type(int type) 4971 { 4972 static char buffer[16]; 4973 4974 switch (type) { 4975 case SIS_T_JBOD: return "JBOD"; 4976 case SIS_T_RAID0: return "RAID0"; 4977 case SIS_T_RAID1: return "RAID1"; 4978 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4979 return buffer; 4980 } 4981 } 4982 4983 static void 4984 ata_raid_sis_print_meta(struct sis_raid_conf *meta) 4985 { 4986 kprintf("**** ATA Silicon Integrated Systems Metadata ****\n"); 4987 kprintf("magic 0x%04x\n", meta->magic); 4988 kprintf("disks 0x%02x\n", meta->disks); 4989 kprintf("type %s\n", 4990 ata_raid_sis_type(meta->type_total_disks & SIS_T_MASK)); 4991 kprintf("total_disks %u\n", meta->type_total_disks & SIS_D_MASK); 4992 kprintf("dummy_0 0x%08x\n", meta->dummy_0); 4993 kprintf("controller_pci_id 0x%08x\n", meta->controller_pci_id); 4994 kprintf("stripe_sectors %u\n", meta->stripe_sectors); 4995 kprintf("dummy_1 0x%04x\n", meta->dummy_1); 4996 kprintf("timestamp 0x%08x\n", meta->timestamp); 4997 kprintf("model %.40s\n", meta->model); 4998 kprintf("disk_number %u\n", meta->disk_number); 4999 kprintf("dummy_2 0x%02x 0x%02x 0x%02x\n", 5000 meta->dummy_2[0], meta->dummy_2[1], meta->dummy_2[2]); 5001 kprintf("=================================================\n"); 5002 } 5003 5004 static char * 5005 ata_raid_via_type(int type) 5006 { 5007 static char buffer[16]; 5008 5009 switch (type) { 5010 case VIA_T_RAID0: return "RAID0"; 5011 case VIA_T_RAID1: return "RAID1"; 5012 case VIA_T_RAID5: return "RAID5"; 5013 case VIA_T_RAID01: return "RAID0+1"; 5014 case VIA_T_SPAN: return "SPAN"; 5015 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 5016 return buffer; 5017 } 5018 } 5019 5020 static void 5021 ata_raid_via_print_meta(struct via_raid_conf *meta) 5022 { 5023 int i; 5024 5025 kprintf("*************** ATA VIA Metadata ****************\n"); 5026 kprintf("magic 0x%02x\n", meta->magic); 5027 kprintf("dummy_0 0x%02x\n", meta->dummy_0); 5028 kprintf("type %s\n", 5029 ata_raid_via_type(meta->type & VIA_T_MASK)); 5030 kprintf("bootable %d\n", meta->type & VIA_T_BOOTABLE); 5031 kprintf("unknown %d\n", meta->type & VIA_T_UNKNOWN); 5032 kprintf("disk_index 0x%02x\n", meta->disk_index); 5033 kprintf("stripe_layout 0x%02x\n", meta->stripe_layout); 5034 kprintf(" stripe_disks %d\n", meta->stripe_layout & VIA_L_DISKS); 5035 kprintf(" stripe_sectors %d\n", 5036 0x08 << ((meta->stripe_layout & VIA_L_MASK) >> VIA_L_SHIFT)); 5037 kprintf("disk_sectors %ju\n", meta->disk_sectors); 5038 kprintf("disk_id 0x%08x\n", meta->disk_id); 5039 kprintf("DISK# disk_id\n"); 5040 for (i = 0; i < 8; i++) { 5041 if (meta->disks[i]) 5042 kprintf(" %d 0x%08x\n", i, meta->disks[i]); 5043 } 5044 kprintf("checksum 0x%02x\n", meta->checksum); 5045 kprintf("=================================================\n"); 5046 } 5047