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