1 /*- 2 * Copyright (c) 2000 - 2006 Søren Schmidt <sos@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer, 10 * without modification, immediately at the beginning of the file. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 * $FreeBSD: src/sys/dev/ata/ata-raid.c,v 1.120 2006/04/15 10:27:41 maxim Exp $ 27 */ 28 29 #include "opt_ata.h" 30 31 #include <sys/param.h> 32 #include <sys/bio.h> 33 #include <sys/buf.h> 34 #include <sys/buf2.h> 35 #include <sys/bus.h> 36 #include <sys/conf.h> 37 #include <sys/device.h> 38 #include <sys/devicestat.h> 39 #include <sys/disk.h> 40 #include <sys/endian.h> 41 #include <sys/libkern.h> 42 #include <sys/malloc.h> 43 #include <sys/lock.h> 44 #include <sys/module.h> 45 #include <sys/nata.h> 46 #include <sys/systm.h> 47 48 #include <vm/pmap.h> 49 50 #include <machine/md_var.h> 51 52 #include <bus/pci/pcivar.h> 53 54 #include "ata-all.h" 55 #include "ata-disk.h" 56 #include "ata-raid.h" 57 #include "ata-pci.h" 58 #include "ata_if.h" 59 60 61 /* device structure */ 62 static d_strategy_t ata_raid_strategy; 63 static d_dump_t ata_raid_dump; 64 static struct dev_ops ar_ops = { 65 { "ar", 0, D_DISK }, 66 .d_open = nullopen, 67 .d_close = nullclose, 68 .d_read = physread, 69 .d_write = physwrite, 70 .d_strategy = ata_raid_strategy, 71 .d_dump = ata_raid_dump, 72 }; 73 74 /* prototypes */ 75 static void ata_raid_done(struct ata_request *request); 76 static void ata_raid_config_changed(struct ar_softc *rdp, int writeback); 77 static int ata_raid_status(struct ata_ioc_raid_config *config); 78 static int ata_raid_create(struct ata_ioc_raid_config *config); 79 static int ata_raid_delete(int array); 80 static int ata_raid_addspare(struct ata_ioc_raid_config *config); 81 static int ata_raid_rebuild(int array); 82 static int ata_raid_read_metadata(device_t subdisk); 83 static int ata_raid_write_metadata(struct ar_softc *rdp); 84 static int ata_raid_wipe_metadata(struct ar_softc *rdp); 85 static int ata_raid_adaptec_read_meta(device_t dev, struct ar_softc **raidp); 86 static int ata_raid_hptv2_read_meta(device_t dev, struct ar_softc **raidp); 87 static int ata_raid_hptv2_write_meta(struct ar_softc *rdp); 88 static int ata_raid_hptv3_read_meta(device_t dev, struct ar_softc **raidp); 89 static int ata_raid_intel_read_meta(device_t dev, struct ar_softc **raidp); 90 static int ata_raid_intel_write_meta(struct ar_softc *rdp); 91 static int ata_raid_ite_read_meta(device_t dev, struct ar_softc **raidp); 92 static int ata_raid_jmicron_read_meta(device_t dev, struct ar_softc **raidp); 93 static int ata_raid_jmicron_write_meta(struct ar_softc *rdp); 94 static int ata_raid_lsiv2_read_meta(device_t dev, struct ar_softc **raidp); 95 static int ata_raid_lsiv3_read_meta(device_t dev, struct ar_softc **raidp); 96 static int ata_raid_nvidia_read_meta(device_t dev, struct ar_softc **raidp); 97 static int ata_raid_promise_read_meta(device_t dev, struct ar_softc **raidp, int native); 98 static int ata_raid_promise_write_meta(struct ar_softc *rdp); 99 static int ata_raid_sii_read_meta(device_t dev, struct ar_softc **raidp); 100 static int ata_raid_sis_read_meta(device_t dev, struct ar_softc **raidp); 101 static int ata_raid_sis_write_meta(struct ar_softc *rdp); 102 static int ata_raid_via_read_meta(device_t dev, struct ar_softc **raidp); 103 static int ata_raid_via_write_meta(struct ar_softc *rdp); 104 static struct ata_request *ata_raid_init_request(struct ar_softc *rdp, struct bio *bio); 105 static int ata_raid_send_request(struct ata_request *request); 106 static int ata_raid_rw(device_t dev, u_int64_t lba, void *data, u_int bcount, int flags); 107 static char * ata_raid_format(struct ar_softc *rdp); 108 static char * ata_raid_type(struct ar_softc *rdp); 109 static char * ata_raid_flags(struct ar_softc *rdp); 110 111 /* debugging only */ 112 static void ata_raid_print_meta(struct ar_softc *meta); 113 static void ata_raid_adaptec_print_meta(struct adaptec_raid_conf *meta); 114 static void ata_raid_hptv2_print_meta(struct hptv2_raid_conf *meta); 115 static void ata_raid_hptv3_print_meta(struct hptv3_raid_conf *meta); 116 static void ata_raid_intel_print_meta(struct intel_raid_conf *meta); 117 static void ata_raid_ite_print_meta(struct ite_raid_conf *meta); 118 static void ata_raid_jmicron_print_meta(struct jmicron_raid_conf *meta); 119 static void ata_raid_lsiv2_print_meta(struct lsiv2_raid_conf *meta); 120 static void ata_raid_lsiv3_print_meta(struct lsiv3_raid_conf *meta); 121 static void ata_raid_nvidia_print_meta(struct nvidia_raid_conf *meta); 122 static void ata_raid_promise_print_meta(struct promise_raid_conf *meta); 123 static void ata_raid_sii_print_meta(struct sii_raid_conf *meta); 124 static void ata_raid_sis_print_meta(struct sis_raid_conf *meta); 125 static void ata_raid_via_print_meta(struct via_raid_conf *meta); 126 127 /* internal vars */ 128 static struct ar_softc *ata_raid_arrays[MAX_ARRAYS]; 129 static MALLOC_DEFINE(M_AR, "ar_driver", "ATA PseudoRAID driver"); 130 static devclass_t ata_raid_sub_devclass; 131 static int testing = 0; 132 133 static void 134 ata_raid_attach(struct ar_softc *rdp, int writeback) 135 { 136 struct disk_info info; 137 cdev_t cdev; 138 char buffer[32]; 139 int disk; 140 141 lockinit(&rdp->lock, "ataraidattach", 0, 0); 142 ata_raid_config_changed(rdp, writeback); 143 144 /* sanitize arrays total_size % (width * interleave) == 0 */ 145 if (rdp->type == AR_T_RAID0 || rdp->type == AR_T_RAID01 || 146 rdp->type == AR_T_RAID5) { 147 rdp->total_sectors = (rdp->total_sectors/(rdp->interleave*rdp->width))* 148 (rdp->interleave * rdp->width); 149 ksprintf(buffer, " (stripe %d KB)", 150 (rdp->interleave * DEV_BSIZE) / 1024); 151 } 152 else 153 buffer[0] = '\0'; 154 155 devstat_add_entry(&rdp->devstat, "ar", rdp->lun, 156 DEV_BSIZE, DEVSTAT_NO_ORDERED_TAGS, 157 DEVSTAT_TYPE_STORARRAY | DEVSTAT_TYPE_IF_OTHER, 158 DEVSTAT_PRIORITY_ARRAY); 159 160 cdev = disk_create(rdp->lun, &rdp->disk, &ar_ops); 161 cdev->si_drv1 = rdp; 162 cdev->si_iosize_max = 128 * DEV_BSIZE; 163 rdp->cdev = cdev; 164 165 bzero(&info, sizeof(info)); 166 info.d_media_blksize = DEV_BSIZE; /* mandatory */ 167 info.d_media_blocks = rdp->total_sectors; 168 169 info.d_secpertrack = rdp->sectors; /* optional */ 170 info.d_nheads = rdp->heads; 171 info.d_ncylinders = rdp->total_sectors/(rdp->heads*rdp->sectors); 172 info.d_secpercyl = rdp->sectors * rdp->heads; 173 174 kprintf("ar%d: %juMB <%s %s%s> status: %s\n", rdp->lun, 175 rdp->total_sectors / ((1024L * 1024L) / DEV_BSIZE), 176 ata_raid_format(rdp), ata_raid_type(rdp), 177 buffer, ata_raid_flags(rdp)); 178 179 if (testing || bootverbose) 180 kprintf("ar%d: %ju sectors [%dC/%dH/%dS] <%s> subdisks defined as:\n", 181 rdp->lun, rdp->total_sectors, 182 rdp->cylinders, rdp->heads, rdp->sectors, rdp->name); 183 184 for (disk = 0; disk < rdp->total_disks; disk++) { 185 kprintf("ar%d: disk%d ", rdp->lun, disk); 186 if (rdp->disks[disk].dev) { 187 if (rdp->disks[disk].flags & AR_DF_PRESENT) { 188 /* status of this disk in the array */ 189 if (rdp->disks[disk].flags & AR_DF_ONLINE) 190 kprintf("READY "); 191 else if (rdp->disks[disk].flags & AR_DF_SPARE) 192 kprintf("SPARE "); 193 else 194 kprintf("FREE "); 195 196 /* what type of disk is this in the array */ 197 switch (rdp->type) { 198 case AR_T_RAID1: 199 case AR_T_RAID01: 200 if (disk < rdp->width) 201 kprintf("(master) "); 202 else 203 kprintf("(mirror) "); 204 } 205 206 /* which physical disk is used */ 207 kprintf("using %s at ata%d-%s\n", 208 device_get_nameunit(rdp->disks[disk].dev), 209 device_get_unit(device_get_parent(rdp->disks[disk].dev)), 210 (((struct ata_device *) 211 device_get_softc(rdp->disks[disk].dev))->unit == 212 ATA_MASTER) ? "master" : "slave"); 213 } 214 else if (rdp->disks[disk].flags & AR_DF_ASSIGNED) 215 kprintf("DOWN\n"); 216 else 217 kprintf("INVALID no RAID config on this subdisk\n"); 218 } 219 else 220 kprintf("DOWN no device found for this subdisk\n"); 221 } 222 223 disk_setdiskinfo(&rdp->disk, &info); 224 } 225 226 /* 227 * ATA PseudoRAID ioctl function. Note that this does not need to be adjusted 228 * to the dev_ops way, because it's just chained from the generic ata ioctl. 229 */ 230 static int 231 ata_raid_ioctl(u_long cmd, caddr_t data) 232 { 233 struct ata_ioc_raid_config *config = (struct ata_ioc_raid_config *)data; 234 int *lun = (int *)data; 235 int error = EOPNOTSUPP; 236 237 switch (cmd) { 238 case IOCATARAIDSTATUS: 239 error = ata_raid_status(config); 240 break; 241 242 case IOCATARAIDCREATE: 243 error = ata_raid_create(config); 244 break; 245 246 case IOCATARAIDDELETE: 247 error = ata_raid_delete(*lun); 248 break; 249 250 case IOCATARAIDADDSPARE: 251 error = ata_raid_addspare(config); 252 break; 253 254 case IOCATARAIDREBUILD: 255 error = ata_raid_rebuild(*lun); 256 break; 257 } 258 return error; 259 } 260 261 static int 262 ata_raid_flush(struct ar_softc *rdp, struct bio *bp) 263 { 264 struct ata_request *request; 265 device_t dev; 266 int disk; 267 268 bp->bio_driver_info = NULL; 269 270 for (disk = 0; disk < rdp->total_disks; disk++) { 271 if ((dev = rdp->disks[disk].dev) != NULL) 272 bp->bio_driver_info = (void *)((intptr_t)bp->bio_driver_info + 1); 273 } 274 for (disk = 0; disk < rdp->total_disks; disk++) { 275 if ((dev = rdp->disks[disk].dev) == NULL) 276 continue; 277 if (!(request = ata_raid_init_request(rdp, bp))) 278 return ENOMEM; 279 request->dev = dev; 280 request->u.ata.command = ATA_FLUSHCACHE; 281 request->u.ata.lba = 0; 282 request->u.ata.count = 0; 283 request->u.ata.feature = 0; 284 request->timeout = 1; 285 request->retries = 0; 286 request->flags |= ATA_R_ORDERED | ATA_R_DIRECT; 287 ata_queue_request(request); 288 } 289 return 0; 290 } 291 292 /* 293 * XXX TGEN there are a lot of offset -> block number conversions going on 294 * here, which is suboptimal. 295 */ 296 static int 297 ata_raid_strategy(struct dev_strategy_args *ap) 298 { 299 struct ar_softc *rdp = ap->a_head.a_dev->si_drv1; 300 struct bio *bp = ap->a_bio; 301 struct buf *bbp = bp->bio_buf; 302 struct ata_request *request; 303 caddr_t data; 304 u_int64_t blkno, lba, blk = 0; 305 int count, chunk, drv, par = 0, change = 0; 306 307 if (bbp->b_cmd == BUF_CMD_FLUSH) { 308 int error; 309 310 error = ata_raid_flush(rdp, bp); 311 if (error != 0) { 312 bbp->b_flags |= B_ERROR; 313 bbp->b_error = error; 314 biodone(bp); 315 } 316 return(0); 317 } 318 319 if (!(rdp->status & AR_S_READY) || 320 (bbp->b_cmd != BUF_CMD_READ && bbp->b_cmd != BUF_CMD_WRITE)) { 321 bbp->b_flags |= B_ERROR; 322 bbp->b_error = EIO; 323 biodone(bp); 324 return(0); 325 } 326 327 bbp->b_resid = bbp->b_bcount; 328 for (count = howmany(bbp->b_bcount, DEV_BSIZE), 329 /* bio_offset is byte granularity, convert */ 330 blkno = (u_int64_t)(bp->bio_offset >> DEV_BSHIFT), 331 data = bbp->b_data; 332 count > 0; 333 count -= chunk, blkno += chunk, data += (chunk * DEV_BSIZE)) { 334 335 switch (rdp->type) { 336 case AR_T_RAID1: 337 drv = 0; 338 lba = blkno; 339 chunk = count; 340 break; 341 342 case AR_T_JBOD: 343 case AR_T_SPAN: 344 drv = 0; 345 lba = blkno; 346 while (lba >= rdp->disks[drv].sectors) 347 lba -= rdp->disks[drv++].sectors; 348 chunk = min(rdp->disks[drv].sectors - lba, count); 349 break; 350 351 case AR_T_RAID0: 352 case AR_T_RAID01: 353 chunk = blkno % rdp->interleave; 354 drv = (blkno / rdp->interleave) % rdp->width; 355 lba = (((blkno/rdp->interleave)/rdp->width)*rdp->interleave)+chunk; 356 chunk = min(count, rdp->interleave - chunk); 357 break; 358 359 case AR_T_RAID5: 360 drv = (blkno / rdp->interleave) % (rdp->width - 1); 361 par = rdp->width - 1 - 362 (blkno / (rdp->interleave * (rdp->width - 1))) % rdp->width; 363 if (drv >= par) 364 drv++; 365 lba = ((blkno/rdp->interleave)/(rdp->width-1))*(rdp->interleave) + 366 ((blkno%(rdp->interleave*(rdp->width-1)))%rdp->interleave); 367 chunk = min(count, rdp->interleave - (lba % rdp->interleave)); 368 break; 369 370 default: 371 kprintf("ar%d: unknown array type in ata_raid_strategy\n", rdp->lun); 372 bbp->b_flags |= B_ERROR; 373 bbp->b_error = EIO; 374 biodone(bp); 375 return(0); 376 } 377 378 /* offset on all but "first on HPTv2" */ 379 if (!(drv == 0 && rdp->format == AR_F_HPTV2_RAID)) 380 lba += rdp->offset_sectors; 381 382 if (!(request = ata_raid_init_request(rdp, bp))) { 383 bbp->b_flags |= B_ERROR; 384 bbp->b_error = EIO; 385 biodone(bp); 386 return(0); 387 } 388 request->data = data; 389 request->bytecount = chunk * DEV_BSIZE; 390 request->u.ata.lba = lba; 391 request->u.ata.count = request->bytecount / DEV_BSIZE; 392 393 devstat_start_transaction(&rdp->devstat); 394 switch (rdp->type) { 395 case AR_T_JBOD: 396 case AR_T_SPAN: 397 case AR_T_RAID0: 398 if (((rdp->disks[drv].flags & (AR_DF_PRESENT|AR_DF_ONLINE)) == 399 (AR_DF_PRESENT|AR_DF_ONLINE) && !rdp->disks[drv].dev)) { 400 rdp->disks[drv].flags &= ~AR_DF_ONLINE; 401 ata_raid_config_changed(rdp, 1); 402 ata_free_request(request); 403 bbp->b_flags |= B_ERROR; 404 bbp->b_error = EIO; 405 biodone(bp); 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 bbp->b_flags |= B_ERROR; 432 bbp->b_error = EIO; 433 biodone(bp); 434 return(0); 435 } 436 437 if (rdp->status & AR_S_REBUILDING) 438 blk = ((lba / rdp->interleave) * rdp->width) * rdp->interleave + 439 (rdp->interleave * (drv % rdp->width)) + 440 lba % rdp->interleave; 441 442 if (bbp->b_cmd == BUF_CMD_READ) { 443 int src_online = 444 (rdp->disks[drv].flags & AR_DF_ONLINE); 445 int mir_online = 446 (rdp->disks[drv+rdp->width].flags & AR_DF_ONLINE); 447 448 /* if mirror gone or close to last access on source */ 449 if (!mir_online || 450 ((src_online) && 451 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) >= 452 (rdp->disks[drv].last_lba - AR_PROXIMITY) && 453 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) <= 454 (rdp->disks[drv].last_lba + AR_PROXIMITY))) { 455 rdp->toggle = 0; 456 } 457 /* if source gone or close to last access on mirror */ 458 else if (!src_online || 459 ((mir_online) && 460 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) >= 461 (rdp->disks[drv+rdp->width].last_lba-AR_PROXIMITY) && 462 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) <= 463 (rdp->disks[drv+rdp->width].last_lba+AR_PROXIMITY))) { 464 drv += rdp->width; 465 rdp->toggle = 1; 466 } 467 /* not close to any previous access, toggle */ 468 else { 469 if (rdp->toggle) 470 rdp->toggle = 0; 471 else { 472 drv += rdp->width; 473 rdp->toggle = 1; 474 } 475 } 476 477 if ((rdp->status & AR_S_REBUILDING) && 478 (blk <= rdp->rebuild_lba) && 479 ((blk + chunk) > rdp->rebuild_lba)) { 480 struct ata_composite *composite; 481 struct ata_request *rebuild; 482 int this; 483 484 /* figure out what part to rebuild */ 485 if (drv < rdp->width) 486 this = drv + rdp->width; 487 else 488 this = drv - rdp->width; 489 490 /* do we have a spare to rebuild on ? */ 491 if (rdp->disks[this].flags & AR_DF_SPARE) { 492 if ((composite = ata_alloc_composite())) { 493 if ((rebuild = ata_alloc_request())) { 494 rdp->rebuild_lba = blk + chunk; 495 bcopy(request, rebuild, 496 sizeof(struct ata_request)); 497 rebuild->this = this; 498 rebuild->dev = rdp->disks[this].dev; 499 rebuild->flags &= ~ATA_R_READ; 500 rebuild->flags |= ATA_R_WRITE; 501 lockinit(&composite->lock, "ardfspare", 0, 0); 502 composite->residual = request->bytecount; 503 composite->rd_needed |= (1 << drv); 504 composite->wr_depend |= (1 << drv); 505 composite->wr_needed |= (1 << this); 506 composite->request[drv] = request; 507 composite->request[this] = rebuild; 508 request->composite = composite; 509 rebuild->composite = composite; 510 ata_raid_send_request(rebuild); 511 } 512 else { 513 ata_free_composite(composite); 514 kprintf("DOH! ata_alloc_request failed!\n"); 515 } 516 } 517 else { 518 kprintf("DOH! ata_alloc_composite failed!\n"); 519 } 520 } 521 else if (rdp->disks[this].flags & AR_DF_ONLINE) { 522 /* 523 * if we got here we are a chunk of a RAID01 that 524 * does not need a rebuild, but we need to increment 525 * the rebuild_lba address to get the rebuild to 526 * move to the next chunk correctly 527 */ 528 rdp->rebuild_lba = blk + chunk; 529 } 530 else 531 kprintf("DOH! we didn't find the rebuild part\n"); 532 } 533 } 534 if (bbp->b_cmd == BUF_CMD_WRITE) { 535 if ((rdp->disks[drv+rdp->width].flags & AR_DF_ONLINE) || 536 ((rdp->status & AR_S_REBUILDING) && 537 (rdp->disks[drv+rdp->width].flags & AR_DF_SPARE) && 538 ((blk < rdp->rebuild_lba) || 539 ((blk <= rdp->rebuild_lba) && 540 ((blk + chunk) > rdp->rebuild_lba))))) { 541 if ((rdp->disks[drv].flags & AR_DF_ONLINE) || 542 ((rdp->status & AR_S_REBUILDING) && 543 (rdp->disks[drv].flags & AR_DF_SPARE) && 544 ((blk < rdp->rebuild_lba) || 545 ((blk <= rdp->rebuild_lba) && 546 ((blk + chunk) > rdp->rebuild_lba))))) { 547 struct ata_request *mirror; 548 struct ata_composite *composite; 549 int this = drv + rdp->width; 550 551 if ((composite = ata_alloc_composite())) { 552 if ((mirror = ata_alloc_request())) { 553 if ((blk <= rdp->rebuild_lba) && 554 ((blk + chunk) > rdp->rebuild_lba)) 555 rdp->rebuild_lba = blk + chunk; 556 bcopy(request, mirror, 557 sizeof(struct ata_request)); 558 mirror->this = this; 559 mirror->dev = rdp->disks[this].dev; 560 lockinit(&composite->lock, "ardfonline", 0, 0); 561 composite->residual = request->bytecount; 562 composite->wr_needed |= (1 << drv); 563 composite->wr_needed |= (1 << this); 564 composite->request[drv] = request; 565 composite->request[this] = mirror; 566 request->composite = composite; 567 mirror->composite = composite; 568 ata_raid_send_request(mirror); 569 rdp->disks[this].last_lba = 570 (u_int64_t)(bp->bio_offset >> DEV_BSHIFT) + 571 chunk; 572 } 573 else { 574 ata_free_composite(composite); 575 kprintf("DOH! ata_alloc_request failed!\n"); 576 } 577 } 578 else { 579 kprintf("DOH! ata_alloc_composite failed!\n"); 580 } 581 } 582 else 583 drv += rdp->width; 584 } 585 } 586 request->this = drv; 587 request->dev = rdp->disks[request->this].dev; 588 ata_raid_send_request(request); 589 rdp->disks[request->this].last_lba = 590 ((u_int64_t)(bp->bio_offset) >> DEV_BSHIFT) + chunk; 591 break; 592 593 case AR_T_RAID5: 594 if (((rdp->disks[drv].flags & (AR_DF_PRESENT|AR_DF_ONLINE)) == 595 (AR_DF_PRESENT|AR_DF_ONLINE) && !rdp->disks[drv].dev)) { 596 rdp->disks[drv].flags &= ~AR_DF_ONLINE; 597 change = 1; 598 } 599 if (((rdp->disks[par].flags & (AR_DF_PRESENT|AR_DF_ONLINE)) == 600 (AR_DF_PRESENT|AR_DF_ONLINE) && !rdp->disks[par].dev)) { 601 rdp->disks[par].flags &= ~AR_DF_ONLINE; 602 change = 1; 603 } 604 if (change) 605 ata_raid_config_changed(rdp, 1); 606 if (!(rdp->status & AR_S_READY)) { 607 ata_free_request(request); 608 bbp->b_flags |= B_ERROR; 609 bbp->b_error = EIO; 610 biodone(bp); 611 return(0); 612 } 613 if (rdp->status & AR_S_DEGRADED) { 614 /* do the XOR game if possible */ 615 } 616 else { 617 request->this = drv; 618 request->dev = rdp->disks[request->this].dev; 619 if (bbp->b_cmd == BUF_CMD_READ) { 620 ata_raid_send_request(request); 621 } 622 if (bbp->b_cmd == BUF_CMD_WRITE) { 623 ata_raid_send_request(request); 624 /* XXX TGEN no, I don't speak Danish either */ 625 /* 626 * sikre at læs-modify-skriv til hver disk er atomarisk. 627 * par kopi af request 628 * læse orgdata fra drv 629 * skriv nydata til drv 630 * læse parorgdata fra par 631 * skriv orgdata xor parorgdata xor nydata til par 632 */ 633 } 634 } 635 break; 636 637 default: 638 kprintf("ar%d: unknown array type in ata_raid_strategy\n", rdp->lun); 639 } 640 } 641 642 return(0); 643 } 644 645 static void 646 ata_raid_done(struct ata_request *request) 647 { 648 struct ar_softc *rdp = request->driver; 649 struct ata_composite *composite = NULL; 650 struct bio *bp = request->bio; 651 struct buf *bbp = bp->bio_buf; 652 int i, mirror, finished = 0; 653 654 if (bbp->b_cmd == BUF_CMD_FLUSH) { 655 if (bbp->b_error == 0) 656 bbp->b_error = request->result; 657 ata_free_request(request); 658 bp->bio_driver_info = (void *)((intptr_t)bp->bio_driver_info - 1); 659 if ((intptr_t)bp->bio_driver_info == 0) { 660 if (bbp->b_error) 661 bbp->b_flags |= B_ERROR; 662 biodone(bp); 663 } 664 return; 665 } 666 667 switch (rdp->type) { 668 case AR_T_JBOD: 669 case AR_T_SPAN: 670 case AR_T_RAID0: 671 if (request->result) { 672 rdp->disks[request->this].flags &= ~AR_DF_ONLINE; 673 ata_raid_config_changed(rdp, 1); 674 bbp->b_error = request->result; 675 finished = 1; 676 } 677 else { 678 bbp->b_resid -= request->donecount; 679 if (!bbp->b_resid) 680 finished = 1; 681 } 682 break; 683 684 case AR_T_RAID1: 685 case AR_T_RAID01: 686 if (request->this < rdp->width) 687 mirror = request->this + rdp->width; 688 else 689 mirror = request->this - rdp->width; 690 if (request->result) { 691 rdp->disks[request->this].flags &= ~AR_DF_ONLINE; 692 ata_raid_config_changed(rdp, 1); 693 } 694 if (rdp->status & AR_S_READY) { 695 u_int64_t blk = 0; 696 697 if (rdp->status & AR_S_REBUILDING) 698 blk = ((request->u.ata.lba / rdp->interleave) * rdp->width) * 699 rdp->interleave + (rdp->interleave * 700 (request->this % rdp->width)) + 701 request->u.ata.lba % rdp->interleave; 702 703 if (bbp->b_cmd == BUF_CMD_READ) { 704 705 /* is this a rebuild composite */ 706 if ((composite = request->composite)) { 707 lockmgr(&composite->lock, LK_EXCLUSIVE); 708 709 /* handle the read part of a rebuild composite */ 710 if (request->flags & ATA_R_READ) { 711 712 /* if read failed array is now broken */ 713 if (request->result) { 714 rdp->disks[request->this].flags &= ~AR_DF_ONLINE; 715 ata_raid_config_changed(rdp, 1); 716 bbp->b_error = request->result; 717 rdp->rebuild_lba = blk; 718 finished = 1; 719 } 720 721 /* good data, update how far we've gotten */ 722 else { 723 bbp->b_resid -= request->donecount; 724 composite->residual -= request->donecount; 725 if (!composite->residual) { 726 if (composite->wr_done & (1 << mirror)) 727 finished = 1; 728 } 729 } 730 } 731 732 /* handle the write part of a rebuild composite */ 733 else if (request->flags & ATA_R_WRITE) { 734 if (composite->rd_done & (1 << mirror)) { 735 if (request->result) { 736 kprintf("DOH! rebuild failed\n"); /* XXX SOS */ 737 rdp->rebuild_lba = blk; 738 } 739 if (!composite->residual) 740 finished = 1; 741 } 742 } 743 lockmgr(&composite->lock, LK_RELEASE); 744 } 745 746 /* if read failed retry on the mirror */ 747 else if (request->result) { 748 request->dev = rdp->disks[mirror].dev; 749 request->flags &= ~ATA_R_TIMEOUT; 750 ata_raid_send_request(request); 751 return; 752 } 753 754 /* we have good data */ 755 else { 756 bbp->b_resid -= request->donecount; 757 if (!bbp->b_resid) 758 finished = 1; 759 } 760 } 761 else if (bbp->b_cmd == BUF_CMD_WRITE) { 762 /* do we have a mirror or rebuild to deal with ? */ 763 if ((composite = request->composite)) { 764 lockmgr(&composite->lock, LK_EXCLUSIVE); 765 if (composite->wr_done & (1 << mirror)) { 766 if (request->result) { 767 if (composite->request[mirror]->result) { 768 kprintf("DOH! all disks failed and got here\n"); 769 bbp->b_error = EIO; 770 } 771 if (rdp->status & AR_S_REBUILDING) { 772 rdp->rebuild_lba = blk; 773 kprintf("DOH! rebuild failed\n"); /* XXX SOS */ 774 } 775 bbp->b_resid -= 776 composite->request[mirror]->donecount; 777 composite->residual -= 778 composite->request[mirror]->donecount; 779 } 780 else { 781 bbp->b_resid -= request->donecount; 782 composite->residual -= request->donecount; 783 } 784 if (!composite->residual) 785 finished = 1; 786 } 787 lockmgr(&composite->lock, LK_RELEASE); 788 } 789 /* no mirror we are done */ 790 else { 791 bbp->b_resid -= request->donecount; 792 if (!bbp->b_resid) 793 finished = 1; 794 } 795 } 796 } 797 else { 798 /* XXX TGEN bbp->b_flags |= B_ERROR; */ 799 bbp->b_error = request->result; 800 biodone(bp); 801 } 802 break; 803 804 case AR_T_RAID5: 805 if (request->result) { 806 rdp->disks[request->this].flags &= ~AR_DF_ONLINE; 807 ata_raid_config_changed(rdp, 1); 808 if (rdp->status & AR_S_READY) { 809 if (bbp->b_cmd == BUF_CMD_READ) { 810 /* do the XOR game to recover data */ 811 } 812 if (bbp->b_cmd == BUF_CMD_WRITE) { 813 /* if the parity failed we're OK sortof */ 814 /* otherwise wee need to do the XOR long dance */ 815 } 816 finished = 1; 817 } 818 else { 819 /* XXX TGEN bbp->b_flags |= B_ERROR; */ 820 bbp->b_error = request->result; 821 biodone(bp); 822 } 823 } 824 else { 825 /* did we have an XOR game going ?? */ 826 bbp->b_resid -= request->donecount; 827 if (!bbp->b_resid) 828 finished = 1; 829 } 830 break; 831 832 default: 833 kprintf("ar%d: unknown array type in ata_raid_done\n", rdp->lun); 834 } 835 836 if (finished) { 837 if ((rdp->status & AR_S_REBUILDING) && 838 rdp->rebuild_lba >= rdp->total_sectors) { 839 int disk; 840 841 for (disk = 0; disk < rdp->total_disks; disk++) { 842 if ((rdp->disks[disk].flags & 843 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE)) == 844 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE)) { 845 rdp->disks[disk].flags &= ~AR_DF_SPARE; 846 rdp->disks[disk].flags |= AR_DF_ONLINE; 847 } 848 } 849 rdp->status &= ~AR_S_REBUILDING; 850 ata_raid_config_changed(rdp, 1); 851 } 852 devstat_end_transaction_buf(&rdp->devstat, bbp); 853 if (!bbp->b_resid) 854 biodone(bp); 855 } 856 857 if (composite) { 858 if (finished) { 859 /* we are done with this composite, free all resources */ 860 for (i = 0; i < 32; i++) { 861 if (composite->rd_needed & (1 << i) || 862 composite->wr_needed & (1 << i)) { 863 ata_free_request(composite->request[i]); 864 } 865 } 866 lockuninit(&composite->lock); 867 ata_free_composite(composite); 868 } 869 } 870 else 871 ata_free_request(request); 872 } 873 874 static int 875 ata_raid_dump(struct dev_dump_args *ap) 876 { 877 struct ar_softc *rdp = ap->a_head.a_dev->si_drv1; 878 struct buf dbuf; 879 int error = 0; 880 int disk; 881 882 if (ap->a_length == 0) { 883 /* flush subdisk buffers to media */ 884 for (disk = 0, error = 0; disk < rdp->total_disks; disk++) { 885 if (rdp->disks[disk].dev) { 886 error |= ata_controlcmd(rdp->disks[disk].dev, 887 ATA_FLUSHCACHE, 0, 0, 0); 888 } 889 } 890 return (error ? EIO : 0); 891 } 892 893 bzero(&dbuf, sizeof(struct buf)); 894 initbufbio(&dbuf); 895 BUF_LOCK(&dbuf, LK_EXCLUSIVE); 896 /* bio_offset is byte granularity, convert block granularity a_blkno */ 897 dbuf.b_bio1.bio_offset = ap->a_offset; 898 dbuf.b_bio1.bio_caller_info1.ptr = (void *)rdp; 899 dbuf.b_bio1.bio_flags |= BIO_SYNC; 900 dbuf.b_bio1.bio_done = biodone_sync; 901 dbuf.b_bcount = ap->a_length; 902 dbuf.b_data = ap->a_virtual; 903 dbuf.b_cmd = BUF_CMD_WRITE; 904 dev_dstrategy(rdp->cdev, &dbuf.b_bio1); 905 /* wait for completion, unlock the buffer, check status */ 906 if (biowait(&dbuf.b_bio1, "dumpw")) { 907 BUF_UNLOCK(&dbuf); 908 return(dbuf.b_error ? dbuf.b_error : EIO); 909 } 910 BUF_UNLOCK(&dbuf); 911 uninitbufbio(&dbuf); 912 913 return 0; 914 } 915 916 static void 917 ata_raid_config_changed(struct ar_softc *rdp, int writeback) 918 { 919 int disk, count, status; 920 921 lockmgr(&rdp->lock, LK_EXCLUSIVE); 922 /* set default all working mode */ 923 status = rdp->status; 924 rdp->status &= ~AR_S_DEGRADED; 925 rdp->status |= AR_S_READY; 926 927 /* make sure all lost drives are accounted for */ 928 for (disk = 0; disk < rdp->total_disks; disk++) { 929 if (!(rdp->disks[disk].flags & AR_DF_PRESENT)) 930 rdp->disks[disk].flags &= ~AR_DF_ONLINE; 931 } 932 933 /* depending on RAID type figure out our health status */ 934 switch (rdp->type) { 935 case AR_T_JBOD: 936 case AR_T_SPAN: 937 case AR_T_RAID0: 938 for (disk = 0; disk < rdp->total_disks; disk++) 939 if (!(rdp->disks[disk].flags & AR_DF_ONLINE)) 940 rdp->status &= ~AR_S_READY; 941 break; 942 943 case AR_T_RAID1: 944 case AR_T_RAID01: 945 for (disk = 0; disk < rdp->width; disk++) { 946 if (!(rdp->disks[disk].flags & AR_DF_ONLINE) && 947 !(rdp->disks[disk + rdp->width].flags & AR_DF_ONLINE)) { 948 rdp->status &= ~AR_S_READY; 949 } 950 else if (((rdp->disks[disk].flags & AR_DF_ONLINE) && 951 !(rdp->disks[disk + rdp->width].flags & AR_DF_ONLINE)) || 952 (!(rdp->disks[disk].flags & AR_DF_ONLINE) && 953 (rdp->disks [disk + rdp->width].flags & AR_DF_ONLINE))) { 954 rdp->status |= AR_S_DEGRADED; 955 } 956 } 957 break; 958 959 case AR_T_RAID5: 960 for (count = 0, disk = 0; disk < rdp->total_disks; disk++) { 961 if (!(rdp->disks[disk].flags & AR_DF_ONLINE)) 962 count++; 963 } 964 if (count) { 965 if (count > 1) 966 rdp->status &= ~AR_S_READY; 967 else 968 rdp->status |= AR_S_DEGRADED; 969 } 970 break; 971 default: 972 rdp->status &= ~AR_S_READY; 973 } 974 975 /* 976 * Note that when the array breaks so comes up broken we 977 * force a write of the array config to the remaining 978 * drives so that the generation will be incremented past 979 * those of the missing or failed drives (in all cases). 980 */ 981 if (rdp->status != status) { 982 if (!(rdp->status & AR_S_READY)) { 983 kprintf("ar%d: FAILURE - %s array broken\n", 984 rdp->lun, ata_raid_type(rdp)); 985 writeback = 1; 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 writeback = 1; 995 } 996 } 997 lockmgr(&rdp->lock, LK_RELEASE); 998 if (writeback) 999 ata_raid_write_metadata(rdp); 1000 1001 } 1002 1003 static int 1004 ata_raid_status(struct ata_ioc_raid_config *config) 1005 { 1006 struct ar_softc *rdp; 1007 int i; 1008 1009 if (!(rdp = ata_raid_arrays[config->lun])) 1010 return ENXIO; 1011 1012 config->type = rdp->type; 1013 config->total_disks = rdp->total_disks; 1014 for (i = 0; i < rdp->total_disks; i++ ) { 1015 if ((rdp->disks[i].flags & AR_DF_PRESENT) && rdp->disks[i].dev) 1016 config->disks[i] = device_get_unit(rdp->disks[i].dev); 1017 else 1018 config->disks[i] = -1; 1019 } 1020 config->interleave = rdp->interleave; 1021 config->status = rdp->status; 1022 config->progress = 100 * rdp->rebuild_lba / rdp->total_sectors; 1023 return 0; 1024 } 1025 1026 static int 1027 ata_raid_create(struct ata_ioc_raid_config *config) 1028 { 1029 struct ar_softc *rdp; 1030 device_t subdisk; 1031 int array, disk; 1032 int ctlr = 0, total_disks = 0; 1033 u_int disk_size = 0; 1034 device_t gpdev; 1035 1036 for (array = 0; array < MAX_ARRAYS; array++) { 1037 if (!ata_raid_arrays[array]) 1038 break; 1039 } 1040 if (array >= MAX_ARRAYS) 1041 return ENOSPC; 1042 1043 rdp = (struct ar_softc*)kmalloc(sizeof(struct ar_softc), M_AR, 1044 M_WAITOK | M_ZERO); 1045 1046 for (disk = 0; disk < config->total_disks; disk++) { 1047 if ((subdisk = devclass_get_device(ata_raid_sub_devclass, 1048 config->disks[disk]))) { 1049 struct ata_raid_subdisk *ars = device_get_softc(subdisk); 1050 1051 /* is device already assigned to another array ? */ 1052 if (ars->raid[rdp->volume]) { 1053 config->disks[disk] = -1; 1054 kfree(rdp, M_AR); 1055 return EBUSY; 1056 } 1057 rdp->disks[disk].dev = device_get_parent(subdisk); 1058 1059 gpdev = GRANDPARENT(rdp->disks[disk].dev); 1060 1061 switch (pci_get_vendor(gpdev)) { 1062 case ATA_HIGHPOINT_ID: 1063 /* 1064 * we need some way to decide if it should be v2 or v3 1065 * for now just use v2 since the v3 BIOS knows how to 1066 * handle that as well. 1067 */ 1068 ctlr = AR_F_HPTV2_RAID; 1069 rdp->disks[disk].sectors = HPTV3_LBA(rdp->disks[disk].dev); 1070 break; 1071 1072 case ATA_INTEL_ID: 1073 ctlr = AR_F_INTEL_RAID; 1074 rdp->disks[disk].sectors = INTEL_LBA(rdp->disks[disk].dev); 1075 break; 1076 1077 case ATA_ITE_ID: 1078 ctlr = AR_F_ITE_RAID; 1079 rdp->disks[disk].sectors = ITE_LBA(rdp->disks[disk].dev); 1080 break; 1081 1082 case ATA_JMICRON_ID: 1083 ctlr = AR_F_JMICRON_RAID; 1084 rdp->disks[disk].sectors = JMICRON_LBA(rdp->disks[disk].dev); 1085 break; 1086 1087 case 0: /* XXX SOS cover up for bug in our PCI code */ 1088 case ATA_PROMISE_ID: 1089 ctlr = AR_F_PROMISE_RAID; 1090 rdp->disks[disk].sectors = PROMISE_LBA(rdp->disks[disk].dev); 1091 break; 1092 1093 case ATA_SIS_ID: 1094 ctlr = AR_F_SIS_RAID; 1095 rdp->disks[disk].sectors = SIS_LBA(rdp->disks[disk].dev); 1096 break; 1097 1098 case ATA_ATI_ID: 1099 case ATA_VIA_ID: 1100 ctlr = AR_F_VIA_RAID; 1101 rdp->disks[disk].sectors = VIA_LBA(rdp->disks[disk].dev); 1102 break; 1103 1104 default: 1105 /* XXX SOS 1106 * right, so here we are, we have an ATA chip and we want 1107 * to create a RAID and store the metadata. 1108 * we need to find a way to tell what kind of metadata this 1109 * hardware's BIOS might be using (good ideas are welcomed) 1110 * for now we just use our own native FreeBSD format. 1111 * the only way to get support for the BIOS format is to 1112 * setup the RAID from there, in that case we pickup the 1113 * metadata format from the disks (if we support it). 1114 */ 1115 kprintf("WARNING!! - not able to determine metadata format\n" 1116 "WARNING!! - Using FreeBSD PseudoRAID metadata\n" 1117 "If that is not what you want, use the BIOS to " 1118 "create the array\n"); 1119 ctlr = AR_F_FREEBSD_RAID; 1120 rdp->disks[disk].sectors = PROMISE_LBA(rdp->disks[disk].dev); 1121 break; 1122 } 1123 1124 /* we need all disks to be of the same format */ 1125 if ((rdp->format & AR_F_FORMAT_MASK) && 1126 (rdp->format & AR_F_FORMAT_MASK) != (ctlr & AR_F_FORMAT_MASK)) { 1127 kfree(rdp, M_AR); 1128 return EXDEV; 1129 } 1130 else 1131 rdp->format = ctlr; 1132 1133 /* use the smallest disk of the lots size */ 1134 /* gigabyte boundry ??? XXX SOS */ 1135 if (disk_size) 1136 disk_size = min(rdp->disks[disk].sectors, disk_size); 1137 else 1138 disk_size = rdp->disks[disk].sectors; 1139 rdp->disks[disk].flags = 1140 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 1141 1142 total_disks++; 1143 } 1144 else { 1145 config->disks[disk] = -1; 1146 kfree(rdp, M_AR); 1147 return ENXIO; 1148 } 1149 } 1150 1151 if (total_disks != config->total_disks) { 1152 kfree(rdp, M_AR); 1153 return ENODEV; 1154 } 1155 1156 switch (config->type) { 1157 case AR_T_JBOD: 1158 case AR_T_SPAN: 1159 case AR_T_RAID0: 1160 break; 1161 1162 case AR_T_RAID1: 1163 if (total_disks != 2) { 1164 kfree(rdp, M_AR); 1165 return EPERM; 1166 } 1167 break; 1168 1169 case AR_T_RAID01: 1170 if (total_disks % 2 != 0) { 1171 kfree(rdp, M_AR); 1172 return EPERM; 1173 } 1174 break; 1175 1176 case AR_T_RAID5: 1177 if (total_disks < 3) { 1178 kfree(rdp, M_AR); 1179 return EPERM; 1180 } 1181 break; 1182 1183 default: 1184 kfree(rdp, M_AR); 1185 return EOPNOTSUPP; 1186 } 1187 rdp->type = config->type; 1188 rdp->lun = array; 1189 if (rdp->type == AR_T_RAID0 || rdp->type == AR_T_RAID01 || 1190 rdp->type == AR_T_RAID5) { 1191 int bit = 0; 1192 1193 while (config->interleave >>= 1) 1194 bit++; 1195 rdp->interleave = 1 << bit; 1196 } 1197 rdp->offset_sectors = 0; 1198 1199 /* values that depend on metadata format */ 1200 switch (rdp->format) { 1201 case AR_F_ADAPTEC_RAID: 1202 rdp->interleave = min(max(32, rdp->interleave), 128); /*+*/ 1203 break; 1204 1205 case AR_F_HPTV2_RAID: 1206 rdp->interleave = min(max(8, rdp->interleave), 128); /*+*/ 1207 rdp->offset_sectors = HPTV2_LBA(x) + 1; 1208 break; 1209 1210 case AR_F_HPTV3_RAID: 1211 rdp->interleave = min(max(32, rdp->interleave), 4096); /*+*/ 1212 break; 1213 1214 case AR_F_INTEL_RAID: 1215 rdp->interleave = min(max(8, rdp->interleave), 256); /*+*/ 1216 break; 1217 1218 case AR_F_ITE_RAID: 1219 rdp->interleave = min(max(2, rdp->interleave), 128); /*+*/ 1220 break; 1221 1222 case AR_F_JMICRON_RAID: 1223 rdp->interleave = min(max(8, rdp->interleave), 256); /*+*/ 1224 break; 1225 1226 case AR_F_LSIV2_RAID: 1227 rdp->interleave = min(max(2, rdp->interleave), 4096); 1228 break; 1229 1230 case AR_F_LSIV3_RAID: 1231 rdp->interleave = min(max(2, rdp->interleave), 256); 1232 break; 1233 1234 case AR_F_PROMISE_RAID: 1235 rdp->interleave = min(max(2, rdp->interleave), 2048); /*+*/ 1236 break; 1237 1238 case AR_F_SII_RAID: 1239 rdp->interleave = min(max(8, rdp->interleave), 256); /*+*/ 1240 break; 1241 1242 case AR_F_SIS_RAID: 1243 rdp->interleave = min(max(32, rdp->interleave), 512); /*+*/ 1244 break; 1245 1246 case AR_F_VIA_RAID: 1247 rdp->interleave = min(max(8, rdp->interleave), 128); /*+*/ 1248 break; 1249 } 1250 1251 rdp->total_disks = total_disks; 1252 rdp->width = total_disks / (rdp->type & (AR_RAID1 | AR_T_RAID01) ? 2 : 1); 1253 rdp->total_sectors = 1254 (uint64_t)disk_size * (rdp->width - (rdp->type == AR_RAID5)); 1255 rdp->heads = 255; 1256 rdp->sectors = 63; 1257 rdp->cylinders = rdp->total_sectors / (255 * 63); 1258 rdp->rebuild_lba = 0; 1259 rdp->status |= AR_S_READY; 1260 1261 /* we are committed to this array, grap the subdisks */ 1262 for (disk = 0; disk < config->total_disks; disk++) { 1263 if ((subdisk = devclass_get_device(ata_raid_sub_devclass, 1264 config->disks[disk]))) { 1265 struct ata_raid_subdisk *ars = device_get_softc(subdisk); 1266 1267 ars->raid[rdp->volume] = rdp; 1268 ars->disk_number[rdp->volume] = disk; 1269 } 1270 } 1271 ata_raid_attach(rdp, 1); 1272 ata_raid_arrays[array] = rdp; 1273 config->lun = array; 1274 return 0; 1275 } 1276 1277 static int 1278 ata_raid_delete(int array) 1279 { 1280 struct ar_softc *rdp; 1281 device_t subdisk; 1282 int disk; 1283 1284 if (!(rdp = ata_raid_arrays[array])) 1285 return ENXIO; 1286 1287 rdp->status &= ~AR_S_READY; 1288 disk_destroy(&rdp->disk); 1289 devstat_remove_entry(&rdp->devstat); 1290 1291 for (disk = 0; disk < rdp->total_disks; disk++) { 1292 if ((rdp->disks[disk].flags & AR_DF_PRESENT) && rdp->disks[disk].dev) { 1293 if ((subdisk = devclass_get_device(ata_raid_sub_devclass, 1294 device_get_unit(rdp->disks[disk].dev)))) { 1295 struct ata_raid_subdisk *ars = device_get_softc(subdisk); 1296 1297 if (ars->raid[rdp->volume] != rdp) /* XXX SOS */ 1298 device_printf(subdisk, "DOH! this disk doesn't belong\n"); 1299 if (ars->disk_number[rdp->volume] != disk) /* XXX SOS */ 1300 device_printf(subdisk, "DOH! this disk number is wrong\n"); 1301 ars->raid[rdp->volume] = NULL; 1302 ars->disk_number[rdp->volume] = -1; 1303 } 1304 rdp->disks[disk].flags = 0; 1305 } 1306 } 1307 ata_raid_wipe_metadata(rdp); 1308 ata_raid_arrays[array] = NULL; 1309 kfree(rdp, M_AR); 1310 return 0; 1311 } 1312 1313 static int 1314 ata_raid_addspare(struct ata_ioc_raid_config *config) 1315 { 1316 struct ar_softc *rdp; 1317 device_t subdisk; 1318 int disk; 1319 1320 if (!(rdp = ata_raid_arrays[config->lun])) 1321 return ENXIO; 1322 if (!(rdp->status & AR_S_DEGRADED) || !(rdp->status & AR_S_READY)) 1323 return ENXIO; 1324 if (rdp->status & AR_S_REBUILDING) 1325 return EBUSY; 1326 switch (rdp->type) { 1327 case AR_T_RAID1: 1328 case AR_T_RAID01: 1329 case AR_T_RAID5: 1330 for (disk = 0; disk < rdp->total_disks; disk++ ) { 1331 1332 if (((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) == 1333 (AR_DF_PRESENT | AR_DF_ONLINE)) && rdp->disks[disk].dev) 1334 continue; 1335 1336 if ((subdisk = devclass_get_device(ata_raid_sub_devclass, 1337 config->disks[0] ))) { 1338 struct ata_raid_subdisk *ars = device_get_softc(subdisk); 1339 1340 if (ars->raid[rdp->volume]) 1341 return EBUSY; 1342 1343 /* XXX SOS validate size etc etc */ 1344 ars->raid[rdp->volume] = rdp; 1345 ars->disk_number[rdp->volume] = disk; 1346 rdp->disks[disk].dev = device_get_parent(subdisk); 1347 rdp->disks[disk].flags = 1348 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE); 1349 1350 device_printf(rdp->disks[disk].dev, 1351 "inserted into ar%d disk%d as spare\n", 1352 rdp->lun, disk); 1353 ata_raid_config_changed(rdp, 1); 1354 return 0; 1355 } 1356 } 1357 return ENXIO; 1358 1359 default: 1360 return EPERM; 1361 } 1362 } 1363 1364 static int 1365 ata_raid_rebuild(int array) 1366 { 1367 struct ar_softc *rdp; 1368 int disk, count; 1369 1370 if (!(rdp = ata_raid_arrays[array])) 1371 return ENXIO; 1372 /* XXX SOS we should lock the rdp softc here */ 1373 if (!(rdp->status & AR_S_DEGRADED) || !(rdp->status & AR_S_READY)) 1374 return ENXIO; 1375 if (rdp->status & AR_S_REBUILDING) 1376 return EBUSY; 1377 1378 switch (rdp->type) { 1379 case AR_T_RAID1: 1380 case AR_T_RAID01: 1381 case AR_T_RAID5: 1382 for (count = 0, disk = 0; disk < rdp->total_disks; disk++ ) { 1383 if (((rdp->disks[disk].flags & 1384 (AR_DF_PRESENT|AR_DF_ASSIGNED|AR_DF_ONLINE|AR_DF_SPARE)) == 1385 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE)) && 1386 rdp->disks[disk].dev) { 1387 count++; 1388 } 1389 } 1390 1391 if (count) { 1392 rdp->rebuild_lba = 0; 1393 rdp->status |= AR_S_REBUILDING; 1394 return 0; 1395 } 1396 return EIO; 1397 1398 default: 1399 return EPERM; 1400 } 1401 } 1402 1403 static int 1404 ata_raid_read_metadata(device_t subdisk) 1405 { 1406 devclass_t pci_devclass = devclass_find("pci"); 1407 devclass_t devclass=device_get_devclass(GRANDPARENT(GRANDPARENT(subdisk))); 1408 device_t gpdev; 1409 uint16_t vendor; 1410 1411 /* prioritize vendor native metadata layout if possible */ 1412 if (devclass == pci_devclass) { 1413 gpdev = device_get_parent(subdisk); 1414 gpdev = GRANDPARENT(gpdev); 1415 vendor = pci_get_vendor(gpdev); 1416 1417 switch (vendor) { 1418 case ATA_HIGHPOINT_ID: 1419 if (ata_raid_hptv3_read_meta(subdisk, ata_raid_arrays)) 1420 return 0; 1421 if (ata_raid_hptv2_read_meta(subdisk, ata_raid_arrays)) 1422 return 0; 1423 break; 1424 1425 case ATA_INTEL_ID: 1426 if (ata_raid_intel_read_meta(subdisk, ata_raid_arrays)) 1427 return 0; 1428 break; 1429 1430 case ATA_ITE_ID: 1431 if (ata_raid_ite_read_meta(subdisk, ata_raid_arrays)) 1432 return 0; 1433 break; 1434 1435 case ATA_JMICRON_ID: 1436 if (ata_raid_jmicron_read_meta(subdisk, ata_raid_arrays)) 1437 return 0; 1438 break; 1439 1440 case ATA_NVIDIA_ID: 1441 if (ata_raid_nvidia_read_meta(subdisk, ata_raid_arrays)) 1442 return 0; 1443 break; 1444 1445 case 0: /* XXX SOS cover up for bug in our PCI code */ 1446 case ATA_PROMISE_ID: 1447 if (ata_raid_promise_read_meta(subdisk, ata_raid_arrays, 0)) 1448 return 0; 1449 break; 1450 1451 case ATA_ATI_ID: 1452 case ATA_SILICON_IMAGE_ID: 1453 if (ata_raid_sii_read_meta(subdisk, ata_raid_arrays)) 1454 return 0; 1455 break; 1456 1457 case ATA_SIS_ID: 1458 if (ata_raid_sis_read_meta(subdisk, ata_raid_arrays)) 1459 return 0; 1460 break; 1461 1462 case ATA_VIA_ID: 1463 if (ata_raid_via_read_meta(subdisk, ata_raid_arrays)) 1464 return 0; 1465 break; 1466 } 1467 } 1468 1469 /* handle controllers that have multiple layout possibilities */ 1470 /* NOTE: the order of these are not insignificant */ 1471 1472 /* Adaptec HostRAID */ 1473 if (ata_raid_adaptec_read_meta(subdisk, ata_raid_arrays)) 1474 return 0; 1475 1476 /* LSILogic v3 and v2 */ 1477 if (ata_raid_lsiv3_read_meta(subdisk, ata_raid_arrays)) 1478 return 0; 1479 if (ata_raid_lsiv2_read_meta(subdisk, ata_raid_arrays)) 1480 return 0; 1481 1482 /* if none of the above matched, try FreeBSD native format */ 1483 return ata_raid_promise_read_meta(subdisk, ata_raid_arrays, 1); 1484 } 1485 1486 static int 1487 ata_raid_write_metadata(struct ar_softc *rdp) 1488 { 1489 switch (rdp->format) { 1490 case AR_F_FREEBSD_RAID: 1491 case AR_F_PROMISE_RAID: 1492 return ata_raid_promise_write_meta(rdp); 1493 1494 case AR_F_HPTV3_RAID: 1495 case AR_F_HPTV2_RAID: 1496 /* 1497 * always write HPT v2 metadata, the v3 BIOS knows it as well. 1498 * this is handy since we cannot know what version BIOS is on there 1499 */ 1500 return ata_raid_hptv2_write_meta(rdp); 1501 1502 case AR_F_INTEL_RAID: 1503 return ata_raid_intel_write_meta(rdp); 1504 1505 case AR_F_JMICRON_RAID: 1506 return ata_raid_jmicron_write_meta(rdp); 1507 1508 case AR_F_SIS_RAID: 1509 return ata_raid_sis_write_meta(rdp); 1510 1511 case AR_F_VIA_RAID: 1512 return ata_raid_via_write_meta(rdp); 1513 #if 0 1514 case AR_F_HPTV3_RAID: 1515 return ata_raid_hptv3_write_meta(rdp); 1516 1517 case AR_F_ADAPTEC_RAID: 1518 return ata_raid_adaptec_write_meta(rdp); 1519 1520 case AR_F_ITE_RAID: 1521 return ata_raid_ite_write_meta(rdp); 1522 1523 case AR_F_LSIV2_RAID: 1524 return ata_raid_lsiv2_write_meta(rdp); 1525 1526 case AR_F_LSIV3_RAID: 1527 return ata_raid_lsiv3_write_meta(rdp); 1528 1529 case AR_F_NVIDIA_RAID: 1530 return ata_raid_nvidia_write_meta(rdp); 1531 1532 case AR_F_SII_RAID: 1533 return ata_raid_sii_write_meta(rdp); 1534 1535 #endif 1536 default: 1537 kprintf("ar%d: writing of %s metadata is NOT supported yet\n", 1538 rdp->lun, ata_raid_format(rdp)); 1539 } 1540 return -1; 1541 } 1542 1543 static int 1544 ata_raid_wipe_metadata(struct ar_softc *rdp) 1545 { 1546 int disk, error = 0; 1547 u_int64_t lba; 1548 u_int32_t size; 1549 u_int8_t *meta; 1550 1551 for (disk = 0; disk < rdp->total_disks; disk++) { 1552 if (rdp->disks[disk].dev) { 1553 switch (rdp->format) { 1554 case AR_F_ADAPTEC_RAID: 1555 lba = ADP_LBA(rdp->disks[disk].dev); 1556 size = sizeof(struct adaptec_raid_conf); 1557 break; 1558 1559 case AR_F_HPTV2_RAID: 1560 lba = HPTV2_LBA(rdp->disks[disk].dev); 1561 size = sizeof(struct hptv2_raid_conf); 1562 break; 1563 1564 case AR_F_HPTV3_RAID: 1565 lba = HPTV3_LBA(rdp->disks[disk].dev); 1566 size = sizeof(struct hptv3_raid_conf); 1567 break; 1568 1569 case AR_F_INTEL_RAID: 1570 lba = INTEL_LBA(rdp->disks[disk].dev); 1571 size = 3 * 512; /* XXX SOS */ 1572 break; 1573 1574 case AR_F_ITE_RAID: 1575 lba = ITE_LBA(rdp->disks[disk].dev); 1576 size = sizeof(struct ite_raid_conf); 1577 break; 1578 1579 case AR_F_JMICRON_RAID: 1580 lba = JMICRON_LBA(rdp->disks[disk].dev); 1581 size = sizeof(struct jmicron_raid_conf); 1582 break; 1583 1584 case AR_F_LSIV2_RAID: 1585 lba = LSIV2_LBA(rdp->disks[disk].dev); 1586 size = sizeof(struct lsiv2_raid_conf); 1587 break; 1588 1589 case AR_F_LSIV3_RAID: 1590 lba = LSIV3_LBA(rdp->disks[disk].dev); 1591 size = sizeof(struct lsiv3_raid_conf); 1592 break; 1593 1594 case AR_F_NVIDIA_RAID: 1595 lba = NVIDIA_LBA(rdp->disks[disk].dev); 1596 size = sizeof(struct nvidia_raid_conf); 1597 break; 1598 1599 case AR_F_FREEBSD_RAID: 1600 case AR_F_PROMISE_RAID: 1601 lba = PROMISE_LBA(rdp->disks[disk].dev); 1602 size = sizeof(struct promise_raid_conf); 1603 break; 1604 1605 case AR_F_SII_RAID: 1606 lba = SII_LBA(rdp->disks[disk].dev); 1607 size = sizeof(struct sii_raid_conf); 1608 break; 1609 1610 case AR_F_SIS_RAID: 1611 lba = SIS_LBA(rdp->disks[disk].dev); 1612 size = sizeof(struct sis_raid_conf); 1613 break; 1614 1615 case AR_F_VIA_RAID: 1616 lba = VIA_LBA(rdp->disks[disk].dev); 1617 size = sizeof(struct via_raid_conf); 1618 break; 1619 1620 default: 1621 kprintf("ar%d: wiping of %s metadata is NOT supported yet\n", 1622 rdp->lun, ata_raid_format(rdp)); 1623 return ENXIO; 1624 } 1625 meta = kmalloc(size, M_AR, M_WAITOK | M_ZERO); 1626 if (ata_raid_rw(rdp->disks[disk].dev, lba, meta, size, 1627 ATA_R_WRITE | ATA_R_DIRECT)) { 1628 device_printf(rdp->disks[disk].dev, "wipe metadata failed\n"); 1629 error = EIO; 1630 } 1631 kfree(meta, M_AR); 1632 } 1633 } 1634 return error; 1635 } 1636 1637 /* Adaptec HostRAID Metadata */ 1638 static int 1639 ata_raid_adaptec_read_meta(device_t dev, struct ar_softc **raidp) 1640 { 1641 struct ata_raid_subdisk *ars = device_get_softc(dev); 1642 device_t parent = device_get_parent(dev); 1643 struct adaptec_raid_conf *meta; 1644 struct ar_softc *raid; 1645 int array, disk, retval = 0; 1646 1647 meta = (struct adaptec_raid_conf *) 1648 kmalloc(sizeof(struct adaptec_raid_conf), M_AR, M_WAITOK | M_ZERO); 1649 1650 if (ata_raid_rw(parent, ADP_LBA(parent), 1651 meta, sizeof(struct adaptec_raid_conf), ATA_R_READ)) { 1652 if (testing || bootverbose) 1653 device_printf(parent, "Adaptec read metadata failed\n"); 1654 goto adaptec_out; 1655 } 1656 1657 /* check if this is a Adaptec RAID struct */ 1658 if (meta->magic_0 != ADP_MAGIC_0 || meta->magic_3 != ADP_MAGIC_3) { 1659 if (testing || bootverbose) 1660 device_printf(parent, "Adaptec check1 failed\n"); 1661 goto adaptec_out; 1662 } 1663 1664 if (testing || bootverbose) 1665 ata_raid_adaptec_print_meta(meta); 1666 1667 /* now convert Adaptec metadata into our generic form */ 1668 for (array = 0; array < MAX_ARRAYS; array++) { 1669 if (!raidp[array]) { 1670 raidp[array] = 1671 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 1672 M_WAITOK | M_ZERO); 1673 } 1674 raid = raidp[array]; 1675 if (raid->format && (raid->format != AR_F_ADAPTEC_RAID)) 1676 continue; 1677 1678 if (raid->magic_0 && raid->magic_0 != meta->configs[0].magic_0) 1679 continue; 1680 1681 if (!meta->generation || be32toh(meta->generation) > raid->generation) { 1682 switch (meta->configs[0].type) { 1683 case ADP_T_RAID0: 1684 raid->magic_0 = meta->configs[0].magic_0; 1685 raid->type = AR_T_RAID0; 1686 raid->interleave = 1 << (meta->configs[0].stripe_shift >> 1); 1687 raid->width = be16toh(meta->configs[0].total_disks); 1688 break; 1689 1690 case ADP_T_RAID1: 1691 raid->magic_0 = meta->configs[0].magic_0; 1692 raid->type = AR_T_RAID1; 1693 raid->width = be16toh(meta->configs[0].total_disks) / 2; 1694 break; 1695 1696 default: 1697 device_printf(parent, "Adaptec unknown RAID type 0x%02x\n", 1698 meta->configs[0].type); 1699 kfree(raidp[array], M_AR); 1700 raidp[array] = NULL; 1701 goto adaptec_out; 1702 } 1703 1704 raid->format = AR_F_ADAPTEC_RAID; 1705 raid->generation = be32toh(meta->generation); 1706 raid->total_disks = be16toh(meta->configs[0].total_disks); 1707 raid->total_sectors = be32toh(meta->configs[0].sectors); 1708 raid->heads = 255; 1709 raid->sectors = 63; 1710 raid->cylinders = raid->total_sectors / (63 * 255); 1711 raid->offset_sectors = 0; 1712 raid->rebuild_lba = 0; 1713 raid->lun = array; 1714 strncpy(raid->name, meta->configs[0].name, 1715 min(sizeof(raid->name), sizeof(meta->configs[0].name))); 1716 1717 /* clear out any old info */ 1718 if (raid->generation) { 1719 for (disk = 0; disk < raid->total_disks; disk++) { 1720 raid->disks[disk].dev = NULL; 1721 raid->disks[disk].flags = 0; 1722 } 1723 } 1724 } 1725 if (be32toh(meta->generation) >= raid->generation) { 1726 struct ata_device *atadev = device_get_softc(parent); 1727 struct ata_channel *ch = device_get_softc(GRANDPARENT(dev)); 1728 int disk_number = (ch->unit << !(ch->flags & ATA_NO_SLAVE)) + 1729 ATA_DEV(atadev->unit); 1730 1731 raid->disks[disk_number].dev = parent; 1732 raid->disks[disk_number].sectors = 1733 be32toh(meta->configs[disk_number + 1].sectors); 1734 raid->disks[disk_number].flags = 1735 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 1736 ars->raid[raid->volume] = raid; 1737 ars->disk_number[raid->volume] = disk_number; 1738 retval = 1; 1739 } 1740 break; 1741 } 1742 1743 adaptec_out: 1744 kfree(meta, M_AR); 1745 return retval; 1746 } 1747 1748 /* Highpoint V2 RocketRAID Metadata */ 1749 static int 1750 ata_raid_hptv2_read_meta(device_t dev, struct ar_softc **raidp) 1751 { 1752 struct ata_raid_subdisk *ars = device_get_softc(dev); 1753 device_t parent = device_get_parent(dev); 1754 struct hptv2_raid_conf *meta; 1755 struct ar_softc *raid = NULL; 1756 int array, disk_number = 0, retval = 0; 1757 1758 meta = (struct hptv2_raid_conf *)kmalloc(sizeof(struct hptv2_raid_conf), 1759 M_AR, M_WAITOK | M_ZERO); 1760 1761 if (ata_raid_rw(parent, HPTV2_LBA(parent), 1762 meta, sizeof(struct hptv2_raid_conf), ATA_R_READ)) { 1763 if (testing || bootverbose) 1764 device_printf(parent, "HighPoint (v2) read metadata failed\n"); 1765 goto hptv2_out; 1766 } 1767 1768 /* check if this is a HighPoint v2 RAID struct */ 1769 if (meta->magic != HPTV2_MAGIC_OK && meta->magic != HPTV2_MAGIC_BAD) { 1770 if (testing || bootverbose) 1771 device_printf(parent, "HighPoint (v2) check1 failed\n"); 1772 goto hptv2_out; 1773 } 1774 1775 /* is this disk defined, or an old leftover/spare ? */ 1776 if (!meta->magic_0) { 1777 if (testing || bootverbose) 1778 device_printf(parent, "HighPoint (v2) check2 failed\n"); 1779 goto hptv2_out; 1780 } 1781 1782 if (testing || bootverbose) 1783 ata_raid_hptv2_print_meta(meta); 1784 1785 /* now convert HighPoint (v2) metadata into our generic form */ 1786 for (array = 0; array < MAX_ARRAYS; array++) { 1787 if (!raidp[array]) { 1788 raidp[array] = 1789 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 1790 M_WAITOK | M_ZERO); 1791 } 1792 raid = raidp[array]; 1793 if (raid->format && (raid->format != AR_F_HPTV2_RAID)) 1794 continue; 1795 1796 switch (meta->type) { 1797 case HPTV2_T_RAID0: 1798 if ((meta->order & (HPTV2_O_RAID0|HPTV2_O_OK)) == 1799 (HPTV2_O_RAID0|HPTV2_O_OK)) 1800 goto highpoint_raid1; 1801 if (meta->order & (HPTV2_O_RAID0 | HPTV2_O_RAID1)) 1802 goto highpoint_raid01; 1803 if (raid->magic_0 && raid->magic_0 != meta->magic_0) 1804 continue; 1805 raid->magic_0 = meta->magic_0; 1806 raid->type = AR_T_RAID0; 1807 raid->interleave = 1 << meta->stripe_shift; 1808 disk_number = meta->disk_number; 1809 if (!(meta->order & HPTV2_O_OK)) 1810 meta->magic = 0; /* mark bad */ 1811 break; 1812 1813 case HPTV2_T_RAID1: 1814 highpoint_raid1: 1815 if (raid->magic_0 && raid->magic_0 != meta->magic_0) 1816 continue; 1817 raid->magic_0 = meta->magic_0; 1818 raid->type = AR_T_RAID1; 1819 disk_number = (meta->disk_number > 0); 1820 break; 1821 1822 case HPTV2_T_RAID01_RAID0: 1823 highpoint_raid01: 1824 if (meta->order & HPTV2_O_RAID0) { 1825 if ((raid->magic_0 && raid->magic_0 != meta->magic_0) || 1826 (raid->magic_1 && raid->magic_1 != meta->magic_1)) 1827 continue; 1828 raid->magic_0 = meta->magic_0; 1829 raid->magic_1 = meta->magic_1; 1830 raid->type = AR_T_RAID01; 1831 raid->interleave = 1 << meta->stripe_shift; 1832 disk_number = meta->disk_number; 1833 } 1834 else { 1835 if (raid->magic_1 && raid->magic_1 != meta->magic_1) 1836 continue; 1837 raid->magic_1 = meta->magic_1; 1838 raid->type = AR_T_RAID01; 1839 raid->interleave = 1 << meta->stripe_shift; 1840 disk_number = meta->disk_number + meta->array_width; 1841 if (!(meta->order & HPTV2_O_RAID1)) 1842 meta->magic = 0; /* mark bad */ 1843 } 1844 break; 1845 1846 case HPTV2_T_SPAN: 1847 if (raid->magic_0 && raid->magic_0 != meta->magic_0) 1848 continue; 1849 raid->magic_0 = meta->magic_0; 1850 raid->type = AR_T_SPAN; 1851 disk_number = meta->disk_number; 1852 break; 1853 1854 default: 1855 device_printf(parent, "Highpoint (v2) unknown RAID type 0x%02x\n", 1856 meta->type); 1857 kfree(raidp[array], M_AR); 1858 raidp[array] = NULL; 1859 goto hptv2_out; 1860 } 1861 1862 raid->format |= AR_F_HPTV2_RAID; 1863 raid->disks[disk_number].dev = parent; 1864 raid->disks[disk_number].flags = (AR_DF_PRESENT | AR_DF_ASSIGNED); 1865 raid->lun = array; 1866 strncpy(raid->name, meta->name_1, 1867 min(sizeof(raid->name), sizeof(meta->name_1))); 1868 if (meta->magic == HPTV2_MAGIC_OK) { 1869 raid->disks[disk_number].flags |= AR_DF_ONLINE; 1870 raid->width = meta->array_width; 1871 raid->total_sectors = meta->total_sectors; 1872 raid->heads = 255; 1873 raid->sectors = 63; 1874 raid->cylinders = raid->total_sectors / (63 * 255); 1875 raid->offset_sectors = HPTV2_LBA(parent) + 1; 1876 raid->rebuild_lba = meta->rebuild_lba; 1877 raid->disks[disk_number].sectors = 1878 raid->total_sectors / raid->width; 1879 } 1880 else 1881 raid->disks[disk_number].flags &= ~AR_DF_ONLINE; 1882 1883 if ((raid->type & AR_T_RAID0) && (raid->total_disks < raid->width)) 1884 raid->total_disks = raid->width; 1885 if (disk_number >= raid->total_disks) 1886 raid->total_disks = disk_number + 1; 1887 ars->raid[raid->volume] = raid; 1888 ars->disk_number[raid->volume] = disk_number; 1889 retval = 1; 1890 break; 1891 } 1892 1893 hptv2_out: 1894 kfree(meta, M_AR); 1895 return retval; 1896 } 1897 1898 static int 1899 ata_raid_hptv2_write_meta(struct ar_softc *rdp) 1900 { 1901 struct hptv2_raid_conf *meta; 1902 struct timeval timestamp; 1903 int disk, error = 0; 1904 1905 meta = (struct hptv2_raid_conf *)kmalloc(sizeof(struct hptv2_raid_conf), 1906 M_AR, M_WAITOK | M_ZERO); 1907 1908 microtime(×tamp); 1909 rdp->magic_0 = timestamp.tv_sec + 2; 1910 rdp->magic_1 = timestamp.tv_sec; 1911 1912 for (disk = 0; disk < rdp->total_disks; disk++) { 1913 if ((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) == 1914 (AR_DF_PRESENT | AR_DF_ONLINE)) 1915 meta->magic = HPTV2_MAGIC_OK; 1916 if (rdp->disks[disk].flags & AR_DF_ASSIGNED) { 1917 meta->magic_0 = rdp->magic_0; 1918 if (strlen(rdp->name)) 1919 strncpy(meta->name_1, rdp->name, sizeof(meta->name_1)); 1920 else 1921 strcpy(meta->name_1, "FreeBSD"); 1922 } 1923 meta->disk_number = disk; 1924 1925 switch (rdp->type) { 1926 case AR_T_RAID0: 1927 meta->type = HPTV2_T_RAID0; 1928 strcpy(meta->name_2, "RAID 0"); 1929 if (rdp->disks[disk].flags & AR_DF_ONLINE) 1930 meta->order = HPTV2_O_OK; 1931 break; 1932 1933 case AR_T_RAID1: 1934 meta->type = HPTV2_T_RAID0; 1935 strcpy(meta->name_2, "RAID 1"); 1936 meta->disk_number = (disk < rdp->width) ? disk : disk + 5; 1937 meta->order = HPTV2_O_RAID0 | HPTV2_O_OK; 1938 break; 1939 1940 case AR_T_RAID01: 1941 meta->type = HPTV2_T_RAID01_RAID0; 1942 strcpy(meta->name_2, "RAID 0+1"); 1943 if (rdp->disks[disk].flags & AR_DF_ONLINE) { 1944 if (disk < rdp->width) { 1945 meta->order = (HPTV2_O_RAID0 | HPTV2_O_RAID1); 1946 meta->magic_0 = rdp->magic_0 - 1; 1947 } 1948 else { 1949 meta->order = HPTV2_O_RAID1; 1950 meta->disk_number -= rdp->width; 1951 } 1952 } 1953 else 1954 meta->magic_0 = rdp->magic_0 - 1; 1955 meta->magic_1 = rdp->magic_1; 1956 break; 1957 1958 case AR_T_SPAN: 1959 meta->type = HPTV2_T_SPAN; 1960 strcpy(meta->name_2, "SPAN"); 1961 break; 1962 default: 1963 kfree(meta, M_AR); 1964 return ENODEV; 1965 } 1966 1967 meta->array_width = rdp->width; 1968 meta->stripe_shift = (rdp->width > 1) ? (ffs(rdp->interleave)-1) : 0; 1969 meta->total_sectors = rdp->total_sectors; 1970 meta->rebuild_lba = rdp->rebuild_lba; 1971 if (testing || bootverbose) 1972 ata_raid_hptv2_print_meta(meta); 1973 if (rdp->disks[disk].dev) { 1974 if (ata_raid_rw(rdp->disks[disk].dev, 1975 HPTV2_LBA(rdp->disks[disk].dev), meta, 1976 sizeof(struct promise_raid_conf), 1977 ATA_R_WRITE | ATA_R_DIRECT)) { 1978 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 1979 error = EIO; 1980 } 1981 } 1982 } 1983 kfree(meta, M_AR); 1984 return error; 1985 } 1986 1987 /* Highpoint V3 RocketRAID Metadata */ 1988 static int 1989 ata_raid_hptv3_read_meta(device_t dev, struct ar_softc **raidp) 1990 { 1991 struct ata_raid_subdisk *ars = device_get_softc(dev); 1992 device_t parent = device_get_parent(dev); 1993 struct hptv3_raid_conf *meta; 1994 struct ar_softc *raid = NULL; 1995 int array, disk_number, retval = 0; 1996 1997 meta = (struct hptv3_raid_conf *)kmalloc(sizeof(struct hptv3_raid_conf), 1998 M_AR, M_WAITOK | M_ZERO); 1999 2000 if (ata_raid_rw(parent, HPTV3_LBA(parent), 2001 meta, sizeof(struct hptv3_raid_conf), ATA_R_READ)) { 2002 if (testing || bootverbose) 2003 device_printf(parent, "HighPoint (v3) read metadata failed\n"); 2004 goto hptv3_out; 2005 } 2006 2007 /* check if this is a HighPoint v3 RAID struct */ 2008 if (meta->magic != HPTV3_MAGIC) { 2009 if (testing || bootverbose) 2010 device_printf(parent, "HighPoint (v3) check1 failed\n"); 2011 goto hptv3_out; 2012 } 2013 2014 /* check if there are any config_entries */ 2015 if (meta->config_entries < 1) { 2016 if (testing || bootverbose) 2017 device_printf(parent, "HighPoint (v3) check2 failed\n"); 2018 goto hptv3_out; 2019 } 2020 2021 if (testing || bootverbose) 2022 ata_raid_hptv3_print_meta(meta); 2023 2024 /* now convert HighPoint (v3) metadata into our generic form */ 2025 for (array = 0; array < MAX_ARRAYS; array++) { 2026 if (!raidp[array]) { 2027 raidp[array] = 2028 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2029 M_WAITOK | M_ZERO); 2030 } 2031 raid = raidp[array]; 2032 if (raid->format && (raid->format != AR_F_HPTV3_RAID)) 2033 continue; 2034 2035 if ((raid->format & AR_F_HPTV3_RAID) && raid->magic_0 != meta->magic_0) 2036 continue; 2037 2038 switch (meta->configs[0].type) { 2039 case HPTV3_T_RAID0: 2040 raid->type = AR_T_RAID0; 2041 raid->width = meta->configs[0].total_disks; 2042 disk_number = meta->configs[0].disk_number; 2043 break; 2044 2045 case HPTV3_T_RAID1: 2046 raid->type = AR_T_RAID1; 2047 raid->width = meta->configs[0].total_disks / 2; 2048 disk_number = meta->configs[0].disk_number; 2049 break; 2050 2051 case HPTV3_T_RAID5: 2052 raid->type = AR_T_RAID5; 2053 raid->width = meta->configs[0].total_disks; 2054 disk_number = meta->configs[0].disk_number; 2055 break; 2056 2057 case HPTV3_T_SPAN: 2058 raid->type = AR_T_SPAN; 2059 raid->width = meta->configs[0].total_disks; 2060 disk_number = meta->configs[0].disk_number; 2061 break; 2062 2063 default: 2064 device_printf(parent, "Highpoint (v3) unknown RAID type 0x%02x\n", 2065 meta->configs[0].type); 2066 kfree(raidp[array], M_AR); 2067 raidp[array] = NULL; 2068 goto hptv3_out; 2069 } 2070 if (meta->config_entries == 2) { 2071 switch (meta->configs[1].type) { 2072 case HPTV3_T_RAID1: 2073 if (raid->type == AR_T_RAID0) { 2074 raid->type = AR_T_RAID01; 2075 disk_number = meta->configs[1].disk_number + 2076 (meta->configs[0].disk_number << 1); 2077 break; 2078 } 2079 default: 2080 device_printf(parent, "Highpoint (v3) unknown level 2 0x%02x\n", 2081 meta->configs[1].type); 2082 kfree(raidp[array], M_AR); 2083 raidp[array] = NULL; 2084 goto hptv3_out; 2085 } 2086 } 2087 2088 raid->magic_0 = meta->magic_0; 2089 raid->format = AR_F_HPTV3_RAID; 2090 raid->generation = meta->timestamp; 2091 raid->interleave = 1 << meta->configs[0].stripe_shift; 2092 raid->total_disks = meta->configs[0].total_disks + 2093 meta->configs[1].total_disks; 2094 raid->total_sectors = meta->configs[0].total_sectors + 2095 ((u_int64_t)meta->configs_high[0].total_sectors << 32); 2096 raid->heads = 255; 2097 raid->sectors = 63; 2098 raid->cylinders = raid->total_sectors / (63 * 255); 2099 raid->offset_sectors = 0; 2100 raid->rebuild_lba = meta->configs[0].rebuild_lba + 2101 ((u_int64_t)meta->configs_high[0].rebuild_lba << 32); 2102 raid->lun = array; 2103 strncpy(raid->name, meta->name, 2104 min(sizeof(raid->name), sizeof(meta->name))); 2105 raid->disks[disk_number].sectors = raid->total_sectors / 2106 (raid->type == AR_T_RAID5 ? raid->width - 1 : raid->width); 2107 raid->disks[disk_number].dev = parent; 2108 raid->disks[disk_number].flags = 2109 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 2110 ars->raid[raid->volume] = raid; 2111 ars->disk_number[raid->volume] = disk_number; 2112 retval = 1; 2113 break; 2114 } 2115 2116 hptv3_out: 2117 kfree(meta, M_AR); 2118 return retval; 2119 } 2120 2121 /* Intel MatrixRAID Metadata */ 2122 static int 2123 ata_raid_intel_read_meta(device_t dev, struct ar_softc **raidp) 2124 { 2125 struct ata_raid_subdisk *ars = device_get_softc(dev); 2126 device_t parent = device_get_parent(dev); 2127 struct intel_raid_conf *meta; 2128 struct intel_raid_mapping *map; 2129 struct ar_softc *raid = NULL; 2130 u_int32_t checksum, *ptr; 2131 int array, count, disk, volume = 1, retval = 0; 2132 char *tmp; 2133 2134 meta = (struct intel_raid_conf *)kmalloc(1536, M_AR, M_WAITOK | M_ZERO); 2135 2136 if (ata_raid_rw(parent, INTEL_LBA(parent), meta, 1024, ATA_R_READ)) { 2137 if (testing || bootverbose) 2138 device_printf(parent, "Intel read metadata failed\n"); 2139 goto intel_out; 2140 } 2141 tmp = (char *)meta; 2142 bcopy(tmp, tmp+1024, 512); 2143 bcopy(tmp+512, tmp, 1024); 2144 bzero(tmp+1024, 512); 2145 2146 /* check if this is a Intel RAID struct */ 2147 if (strncmp(meta->intel_id, INTEL_MAGIC, strlen(INTEL_MAGIC))) { 2148 if (testing || bootverbose) 2149 device_printf(parent, "Intel check1 failed\n"); 2150 goto intel_out; 2151 } 2152 2153 for (checksum = 0, ptr = (u_int32_t *)meta, count = 0; 2154 count < (meta->config_size / sizeof(u_int32_t)); count++) { 2155 checksum += *ptr++; 2156 } 2157 checksum -= meta->checksum; 2158 if (checksum != meta->checksum) { 2159 if (testing || bootverbose) 2160 device_printf(parent, "Intel check2 failed\n"); 2161 goto intel_out; 2162 } 2163 2164 if (testing || bootverbose) 2165 ata_raid_intel_print_meta(meta); 2166 2167 map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks]; 2168 2169 /* now convert Intel metadata into our generic form */ 2170 for (array = 0; array < MAX_ARRAYS; array++) { 2171 if (!raidp[array]) { 2172 raidp[array] = 2173 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2174 M_WAITOK | M_ZERO); 2175 } 2176 raid = raidp[array]; 2177 if (raid->format && (raid->format != AR_F_INTEL_RAID)) 2178 continue; 2179 2180 if ((raid->format & AR_F_INTEL_RAID) && 2181 (raid->magic_0 != meta->config_id)) 2182 continue; 2183 2184 /* 2185 * update our knowledge about the array config based on generation 2186 * NOTE: there can be multiple volumes on a disk set 2187 */ 2188 if (!meta->generation || meta->generation > raid->generation) { 2189 switch (map->type) { 2190 case INTEL_T_RAID0: 2191 raid->type = AR_T_RAID0; 2192 raid->width = map->total_disks; 2193 break; 2194 2195 case INTEL_T_RAID1: 2196 if (map->total_disks == 4) 2197 raid->type = AR_T_RAID01; 2198 else 2199 raid->type = AR_T_RAID1; 2200 raid->width = map->total_disks / 2; 2201 break; 2202 2203 case INTEL_T_RAID5: 2204 raid->type = AR_T_RAID5; 2205 raid->width = map->total_disks; 2206 break; 2207 2208 default: 2209 device_printf(parent, "Intel unknown RAID type 0x%02x\n", 2210 map->type); 2211 kfree(raidp[array], M_AR); 2212 raidp[array] = NULL; 2213 goto intel_out; 2214 } 2215 2216 switch (map->status) { 2217 case INTEL_S_READY: 2218 raid->status = AR_S_READY; 2219 break; 2220 case INTEL_S_DEGRADED: 2221 raid->status |= AR_S_DEGRADED; 2222 break; 2223 case INTEL_S_DISABLED: 2224 case INTEL_S_FAILURE: 2225 raid->status = 0; 2226 } 2227 2228 raid->magic_0 = meta->config_id; 2229 raid->format = AR_F_INTEL_RAID; 2230 raid->generation = meta->generation; 2231 raid->interleave = map->stripe_sectors; 2232 raid->total_disks = map->total_disks; 2233 raid->total_sectors = map->total_sectors; 2234 raid->heads = 255; 2235 raid->sectors = 63; 2236 raid->cylinders = raid->total_sectors / (63 * 255); 2237 raid->offset_sectors = map->offset; 2238 raid->rebuild_lba = 0; 2239 raid->lun = array; 2240 raid->volume = volume - 1; 2241 strncpy(raid->name, map->name, 2242 min(sizeof(raid->name), sizeof(map->name))); 2243 2244 /* clear out any old info */ 2245 for (disk = 0; disk < raid->total_disks; disk++) { 2246 u_int disk_idx = map->disk_idx[disk] & 0xffff; 2247 2248 raid->disks[disk].dev = NULL; 2249 bcopy(meta->disk[disk_idx].serial, 2250 raid->disks[disk].serial, 2251 sizeof(raid->disks[disk].serial)); 2252 raid->disks[disk].sectors = 2253 meta->disk[disk_idx].sectors; 2254 raid->disks[disk].flags = 0; 2255 if (meta->disk[disk_idx].flags & INTEL_F_ONLINE) 2256 raid->disks[disk].flags |= AR_DF_ONLINE; 2257 if (meta->disk[disk_idx].flags & INTEL_F_ASSIGNED) 2258 raid->disks[disk].flags |= AR_DF_ASSIGNED; 2259 if (meta->disk[disk_idx].flags & INTEL_F_SPARE) { 2260 raid->disks[disk].flags &= ~(AR_DF_ONLINE | AR_DF_ASSIGNED); 2261 raid->disks[disk].flags |= AR_DF_SPARE; 2262 } 2263 if (meta->disk[disk_idx].flags & INTEL_F_DOWN) 2264 raid->disks[disk].flags &= ~AR_DF_ONLINE; 2265 } 2266 } 2267 if (meta->generation >= raid->generation) { 2268 for (disk = 0; disk < raid->total_disks; disk++) { 2269 struct ata_device *atadev = device_get_softc(parent); 2270 2271 if (!strncmp(raid->disks[disk].serial, atadev->param.serial, 2272 sizeof(raid->disks[disk].serial))) { 2273 raid->disks[disk].dev = parent; 2274 raid->disks[disk].flags |= (AR_DF_PRESENT | AR_DF_ONLINE); 2275 ars->raid[raid->volume] = raid; 2276 ars->disk_number[raid->volume] = disk; 2277 retval = 1; 2278 } 2279 } 2280 } 2281 else 2282 goto intel_out; 2283 2284 if (retval) { 2285 if (volume < meta->total_volumes) { 2286 map = (struct intel_raid_mapping *) 2287 &map->disk_idx[map->total_disks]; 2288 volume++; 2289 retval = 0; 2290 continue; 2291 } 2292 break; 2293 } 2294 else { 2295 kfree(raidp[array], M_AR); 2296 raidp[array] = NULL; 2297 if (volume == 2) 2298 retval = 1; 2299 } 2300 } 2301 2302 intel_out: 2303 kfree(meta, M_AR); 2304 return retval; 2305 } 2306 2307 static int 2308 ata_raid_intel_write_meta(struct ar_softc *rdp) 2309 { 2310 struct intel_raid_conf *meta; 2311 struct intel_raid_mapping *map; 2312 struct timeval timestamp; 2313 u_int32_t checksum, *ptr; 2314 int count, disk, error = 0; 2315 char *tmp; 2316 2317 meta = (struct intel_raid_conf *)kmalloc(1536, M_AR, M_WAITOK | M_ZERO); 2318 2319 rdp->generation++; 2320 2321 /* Generate a new config_id if none exists */ 2322 if (!rdp->magic_0) { 2323 microtime(×tamp); 2324 rdp->magic_0 = timestamp.tv_sec ^ timestamp.tv_usec; 2325 } 2326 2327 bcopy(INTEL_MAGIC, meta->intel_id, sizeof(meta->intel_id)); 2328 bcopy(INTEL_VERSION_1100, meta->version, sizeof(meta->version)); 2329 meta->config_id = rdp->magic_0; 2330 meta->generation = rdp->generation; 2331 meta->total_disks = rdp->total_disks; 2332 meta->total_volumes = 1; /* XXX SOS */ 2333 for (disk = 0; disk < rdp->total_disks; disk++) { 2334 if (rdp->disks[disk].dev) { 2335 struct ata_channel *ch = 2336 device_get_softc(device_get_parent(rdp->disks[disk].dev)); 2337 struct ata_device *atadev = 2338 device_get_softc(rdp->disks[disk].dev); 2339 2340 bcopy(atadev->param.serial, meta->disk[disk].serial, 2341 sizeof(rdp->disks[disk].serial)); 2342 meta->disk[disk].sectors = rdp->disks[disk].sectors; 2343 meta->disk[disk].id = (ch->unit << 16) | ATA_DEV(atadev->unit); 2344 } 2345 else 2346 meta->disk[disk].sectors = rdp->total_sectors / rdp->width; 2347 meta->disk[disk].flags = 0; 2348 if (rdp->disks[disk].flags & AR_DF_SPARE) 2349 meta->disk[disk].flags |= INTEL_F_SPARE; 2350 else { 2351 if (rdp->disks[disk].flags & AR_DF_ONLINE) 2352 meta->disk[disk].flags |= INTEL_F_ONLINE; 2353 else 2354 meta->disk[disk].flags |= INTEL_F_DOWN; 2355 if (rdp->disks[disk].flags & AR_DF_ASSIGNED) 2356 meta->disk[disk].flags |= INTEL_F_ASSIGNED; 2357 } 2358 } 2359 map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks]; 2360 2361 bcopy(rdp->name, map->name, sizeof(rdp->name)); 2362 map->total_sectors = rdp->total_sectors; 2363 map->state = 12; /* XXX SOS */ 2364 map->offset = rdp->offset_sectors; 2365 map->stripe_count = rdp->total_sectors / (rdp->interleave*rdp->total_disks); 2366 map->stripe_sectors = rdp->interleave; 2367 map->disk_sectors = rdp->total_sectors / rdp->width; 2368 map->status = INTEL_S_READY; /* XXX SOS */ 2369 switch (rdp->type) { 2370 case AR_T_RAID0: 2371 map->type = INTEL_T_RAID0; 2372 break; 2373 case AR_T_RAID1: 2374 map->type = INTEL_T_RAID1; 2375 break; 2376 case AR_T_RAID01: 2377 map->type = INTEL_T_RAID1; 2378 break; 2379 case AR_T_RAID5: 2380 map->type = INTEL_T_RAID5; 2381 break; 2382 default: 2383 kfree(meta, M_AR); 2384 return ENODEV; 2385 } 2386 map->total_disks = rdp->total_disks; 2387 map->magic[0] = 0x02; 2388 map->magic[1] = 0xff; 2389 map->magic[2] = 0x01; 2390 for (disk = 0; disk < rdp->total_disks; disk++) 2391 map->disk_idx[disk] = disk; 2392 2393 meta->config_size = (char *)&map->disk_idx[disk] - (char *)meta; 2394 for (checksum = 0, ptr = (u_int32_t *)meta, count = 0; 2395 count < (meta->config_size / sizeof(u_int32_t)); count++) { 2396 checksum += *ptr++; 2397 } 2398 meta->checksum = checksum; 2399 2400 if (testing || bootverbose) 2401 ata_raid_intel_print_meta(meta); 2402 2403 tmp = (char *)meta; 2404 bcopy(tmp, tmp+1024, 512); 2405 bcopy(tmp+512, tmp, 1024); 2406 bzero(tmp+1024, 512); 2407 2408 for (disk = 0; disk < rdp->total_disks; disk++) { 2409 if (rdp->disks[disk].dev) { 2410 if (ata_raid_rw(rdp->disks[disk].dev, 2411 INTEL_LBA(rdp->disks[disk].dev), 2412 meta, 1024, ATA_R_WRITE | ATA_R_DIRECT)) { 2413 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 2414 error = EIO; 2415 } 2416 } 2417 } 2418 kfree(meta, M_AR); 2419 return error; 2420 } 2421 2422 2423 /* Integrated Technology Express Metadata */ 2424 static int 2425 ata_raid_ite_read_meta(device_t dev, struct ar_softc **raidp) 2426 { 2427 struct ata_raid_subdisk *ars = device_get_softc(dev); 2428 device_t parent = device_get_parent(dev); 2429 struct ite_raid_conf *meta; 2430 struct ar_softc *raid = NULL; 2431 int array, disk_number, count, retval = 0; 2432 u_int16_t *ptr; 2433 2434 meta = (struct ite_raid_conf *)kmalloc(sizeof(struct ite_raid_conf), M_AR, 2435 M_WAITOK | M_ZERO); 2436 2437 if (ata_raid_rw(parent, ITE_LBA(parent), 2438 meta, sizeof(struct ite_raid_conf), ATA_R_READ)) { 2439 if (testing || bootverbose) 2440 device_printf(parent, "ITE read metadata failed\n"); 2441 goto ite_out; 2442 } 2443 2444 /* check if this is a ITE RAID struct */ 2445 for (ptr = (u_int16_t *)meta->ite_id, count = 0; 2446 count < sizeof(meta->ite_id)/sizeof(uint16_t); count++) 2447 ptr[count] = be16toh(ptr[count]); 2448 2449 if (strncmp(meta->ite_id, ITE_MAGIC, strlen(ITE_MAGIC))) { 2450 if (testing || bootverbose) 2451 device_printf(parent, "ITE check1 failed\n"); 2452 goto ite_out; 2453 } 2454 2455 if (testing || bootverbose) 2456 ata_raid_ite_print_meta(meta); 2457 2458 /* now convert ITE metadata into our generic form */ 2459 for (array = 0; array < MAX_ARRAYS; array++) { 2460 if ((raid = raidp[array])) { 2461 if (raid->format != AR_F_ITE_RAID) 2462 continue; 2463 if (raid->magic_0 != *((u_int64_t *)meta->timestamp_0)) 2464 continue; 2465 } 2466 2467 /* if we dont have a disks timestamp the RAID is invalidated */ 2468 if (*((u_int64_t *)meta->timestamp_1) == 0) 2469 goto ite_out; 2470 2471 if (!raid) { 2472 raidp[array] = (struct ar_softc *)kmalloc(sizeof(struct ar_softc), 2473 M_AR, M_WAITOK | M_ZERO); 2474 } 2475 2476 switch (meta->type) { 2477 case ITE_T_RAID0: 2478 raid->type = AR_T_RAID0; 2479 raid->width = meta->array_width; 2480 raid->total_disks = meta->array_width; 2481 disk_number = meta->disk_number; 2482 break; 2483 2484 case ITE_T_RAID1: 2485 raid->type = AR_T_RAID1; 2486 raid->width = 1; 2487 raid->total_disks = 2; 2488 disk_number = meta->disk_number; 2489 break; 2490 2491 case ITE_T_RAID01: 2492 raid->type = AR_T_RAID01; 2493 raid->width = meta->array_width; 2494 raid->total_disks = 4; 2495 disk_number = ((meta->disk_number & 0x02) >> 1) | 2496 ((meta->disk_number & 0x01) << 1); 2497 break; 2498 2499 case ITE_T_SPAN: 2500 raid->type = AR_T_SPAN; 2501 raid->width = 1; 2502 raid->total_disks = meta->array_width; 2503 disk_number = meta->disk_number; 2504 break; 2505 2506 default: 2507 device_printf(parent, "ITE unknown RAID type 0x%02x\n", meta->type); 2508 kfree(raidp[array], M_AR); 2509 raidp[array] = NULL; 2510 goto ite_out; 2511 } 2512 2513 raid->magic_0 = *((u_int64_t *)meta->timestamp_0); 2514 raid->format = AR_F_ITE_RAID; 2515 raid->generation = 0; 2516 raid->interleave = meta->stripe_sectors; 2517 raid->total_sectors = meta->total_sectors; 2518 raid->heads = 255; 2519 raid->sectors = 63; 2520 raid->cylinders = raid->total_sectors / (63 * 255); 2521 raid->offset_sectors = 0; 2522 raid->rebuild_lba = 0; 2523 raid->lun = array; 2524 2525 raid->disks[disk_number].dev = parent; 2526 raid->disks[disk_number].sectors = raid->total_sectors / raid->width; 2527 raid->disks[disk_number].flags = 2528 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 2529 ars->raid[raid->volume] = raid; 2530 ars->disk_number[raid->volume] = disk_number; 2531 retval = 1; 2532 break; 2533 } 2534 ite_out: 2535 kfree(meta, M_AR); 2536 return retval; 2537 } 2538 2539 /* JMicron Technology Corp Metadata */ 2540 static int 2541 ata_raid_jmicron_read_meta(device_t dev, struct ar_softc **raidp) 2542 { 2543 struct ata_raid_subdisk *ars = device_get_softc(dev); 2544 device_t parent = device_get_parent(dev); 2545 struct jmicron_raid_conf *meta; 2546 struct ar_softc *raid = NULL; 2547 u_int16_t checksum, *ptr; 2548 u_int64_t disk_size; 2549 int count, array, disk, total_disks, retval = 0; 2550 2551 meta = (struct jmicron_raid_conf *) 2552 kmalloc(sizeof(struct jmicron_raid_conf), M_AR, M_WAITOK | M_ZERO); 2553 2554 if (ata_raid_rw(parent, JMICRON_LBA(parent), 2555 meta, sizeof(struct jmicron_raid_conf), ATA_R_READ)) { 2556 if (testing || bootverbose) 2557 device_printf(parent, 2558 "JMicron read metadata failed\n"); 2559 } 2560 2561 /* check for JMicron signature */ 2562 if (strncmp(meta->signature, JMICRON_MAGIC, 2)) { 2563 if (testing || bootverbose) 2564 device_printf(parent, "JMicron check1 failed\n"); 2565 goto jmicron_out; 2566 } 2567 2568 /* calculate checksum and compare for valid */ 2569 for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 64; count++) 2570 checksum += *ptr++; 2571 if (checksum) { 2572 if (testing || bootverbose) 2573 device_printf(parent, "JMicron check2 failed\n"); 2574 goto jmicron_out; 2575 } 2576 2577 if (testing || bootverbose) 2578 ata_raid_jmicron_print_meta(meta); 2579 2580 /* now convert JMicron meta into our generic form */ 2581 for (array = 0; array < MAX_ARRAYS; array++) { 2582 jmicron_next: 2583 if (!raidp[array]) { 2584 raidp[array] = 2585 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2586 M_WAITOK | M_ZERO); 2587 } 2588 raid = raidp[array]; 2589 if (raid->format && (raid->format != AR_F_JMICRON_RAID)) 2590 continue; 2591 2592 for (total_disks = 0, disk = 0; disk < JM_MAX_DISKS; disk++) { 2593 if (meta->disks[disk]) { 2594 if (raid->format == AR_F_JMICRON_RAID) { 2595 if (bcmp(&meta->disks[disk], 2596 raid->disks[disk].serial, sizeof(u_int32_t))) { 2597 array++; 2598 goto jmicron_next; 2599 } 2600 } 2601 else 2602 bcopy(&meta->disks[disk], 2603 raid->disks[disk].serial, sizeof(u_int32_t)); 2604 total_disks++; 2605 } 2606 } 2607 /* handle spares XXX SOS */ 2608 2609 switch (meta->type) { 2610 case JM_T_RAID0: 2611 raid->type = AR_T_RAID0; 2612 raid->width = total_disks; 2613 break; 2614 2615 case JM_T_RAID1: 2616 raid->type = AR_T_RAID1; 2617 raid->width = 1; 2618 break; 2619 2620 case JM_T_RAID01: 2621 raid->type = AR_T_RAID01; 2622 raid->width = total_disks / 2; 2623 break; 2624 2625 case JM_T_RAID5: 2626 raid->type = AR_T_RAID5; 2627 raid->width = total_disks; 2628 break; 2629 2630 case JM_T_JBOD: 2631 raid->type = AR_T_SPAN; 2632 raid->width = 1; 2633 break; 2634 2635 default: 2636 device_printf(parent, 2637 "JMicron unknown RAID type 0x%02x\n", meta->type); 2638 kfree(raidp[array], M_AR); 2639 raidp[array] = NULL; 2640 goto jmicron_out; 2641 } 2642 disk_size = (meta->disk_sectors_high << 16) + meta->disk_sectors_low; 2643 raid->format = AR_F_JMICRON_RAID; 2644 strncpy(raid->name, meta->name, sizeof(meta->name)); 2645 raid->generation = 0; 2646 raid->interleave = 2 << meta->stripe_shift; 2647 raid->total_disks = total_disks; 2648 raid->total_sectors = disk_size * (raid->width-(raid->type==AR_RAID5)); 2649 raid->heads = 255; 2650 raid->sectors = 63; 2651 raid->cylinders = raid->total_sectors / (63 * 255); 2652 raid->offset_sectors = meta->offset * 16; 2653 raid->rebuild_lba = 0; 2654 raid->lun = array; 2655 2656 for (disk = 0; disk < raid->total_disks; disk++) { 2657 if (meta->disks[disk] == meta->disk_id) { 2658 raid->disks[disk].dev = parent; 2659 raid->disks[disk].sectors = disk_size; 2660 raid->disks[disk].flags = 2661 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 2662 ars->raid[raid->volume] = raid; 2663 ars->disk_number[raid->volume] = disk; 2664 retval = 1; 2665 break; 2666 } 2667 } 2668 break; 2669 } 2670 jmicron_out: 2671 kfree(meta, M_AR); 2672 return retval; 2673 } 2674 2675 static int 2676 ata_raid_jmicron_write_meta(struct ar_softc *rdp) 2677 { 2678 struct jmicron_raid_conf *meta; 2679 u_int64_t disk_sectors; 2680 int disk, error = 0; 2681 2682 meta = (struct jmicron_raid_conf *) 2683 kmalloc(sizeof(struct jmicron_raid_conf), M_AR, M_WAITOK | M_ZERO); 2684 2685 rdp->generation++; 2686 switch (rdp->type) { 2687 case AR_T_JBOD: 2688 meta->type = JM_T_JBOD; 2689 break; 2690 2691 case AR_T_RAID0: 2692 meta->type = JM_T_RAID0; 2693 break; 2694 2695 case AR_T_RAID1: 2696 meta->type = JM_T_RAID1; 2697 break; 2698 2699 case AR_T_RAID5: 2700 meta->type = JM_T_RAID5; 2701 break; 2702 2703 case AR_T_RAID01: 2704 meta->type = JM_T_RAID01; 2705 break; 2706 2707 default: 2708 kfree(meta, M_AR); 2709 return ENODEV; 2710 } 2711 bcopy(JMICRON_MAGIC, meta->signature, sizeof(JMICRON_MAGIC)); 2712 meta->version = JMICRON_VERSION; 2713 meta->offset = rdp->offset_sectors / 16; 2714 disk_sectors = rdp->total_sectors / (rdp->width - (rdp->type == AR_RAID5)); 2715 meta->disk_sectors_low = disk_sectors & 0xffff; 2716 meta->disk_sectors_high = disk_sectors >> 16; 2717 strncpy(meta->name, rdp->name, sizeof(meta->name)); 2718 meta->stripe_shift = ffs(rdp->interleave) - 2; 2719 2720 for (disk = 0; disk < rdp->total_disks && disk < JM_MAX_DISKS; disk++) { 2721 if (rdp->disks[disk].serial[0]) 2722 bcopy(rdp->disks[disk].serial,&meta->disks[disk],sizeof(u_int32_t)); 2723 else 2724 meta->disks[disk] = (u_int32_t)(uintptr_t)rdp->disks[disk].dev; 2725 } 2726 2727 for (disk = 0; disk < rdp->total_disks; disk++) { 2728 if (rdp->disks[disk].dev) { 2729 u_int16_t checksum = 0, *ptr; 2730 int count; 2731 2732 meta->disk_id = meta->disks[disk]; 2733 meta->checksum = 0; 2734 for (ptr = (u_int16_t *)meta, count = 0; count < 64; count++) 2735 checksum += *ptr++; 2736 meta->checksum -= checksum; 2737 2738 if (testing || bootverbose) 2739 ata_raid_jmicron_print_meta(meta); 2740 2741 if (ata_raid_rw(rdp->disks[disk].dev, 2742 JMICRON_LBA(rdp->disks[disk].dev), 2743 meta, sizeof(struct jmicron_raid_conf), 2744 ATA_R_WRITE | ATA_R_DIRECT)) { 2745 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 2746 error = EIO; 2747 } 2748 } 2749 } 2750 /* handle spares XXX SOS */ 2751 2752 kfree(meta, M_AR); 2753 return error; 2754 } 2755 2756 /* LSILogic V2 MegaRAID Metadata */ 2757 static int 2758 ata_raid_lsiv2_read_meta(device_t dev, struct ar_softc **raidp) 2759 { 2760 struct ata_raid_subdisk *ars = device_get_softc(dev); 2761 device_t parent = device_get_parent(dev); 2762 struct lsiv2_raid_conf *meta; 2763 struct ar_softc *raid = NULL; 2764 int array, retval = 0; 2765 2766 meta = (struct lsiv2_raid_conf *)kmalloc(sizeof(struct lsiv2_raid_conf), 2767 M_AR, M_WAITOK | M_ZERO); 2768 2769 if (ata_raid_rw(parent, LSIV2_LBA(parent), 2770 meta, sizeof(struct lsiv2_raid_conf), ATA_R_READ)) { 2771 if (testing || bootverbose) 2772 device_printf(parent, "LSI (v2) read metadata failed\n"); 2773 goto lsiv2_out; 2774 } 2775 2776 /* check if this is a LSI RAID struct */ 2777 if (strncmp(meta->lsi_id, LSIV2_MAGIC, strlen(LSIV2_MAGIC))) { 2778 if (testing || bootverbose) 2779 device_printf(parent, "LSI (v2) check1 failed\n"); 2780 goto lsiv2_out; 2781 } 2782 2783 if (testing || bootverbose) 2784 ata_raid_lsiv2_print_meta(meta); 2785 2786 /* now convert LSI (v2) config meta into our generic form */ 2787 for (array = 0; array < MAX_ARRAYS; array++) { 2788 int raid_entry, conf_entry; 2789 2790 if (!raidp[array + meta->raid_number]) { 2791 raidp[array + meta->raid_number] = 2792 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2793 M_WAITOK | M_ZERO); 2794 } 2795 raid = raidp[array + meta->raid_number]; 2796 if (raid->format && (raid->format != AR_F_LSIV2_RAID)) 2797 continue; 2798 2799 if (raid->magic_0 && 2800 ((raid->magic_0 != meta->timestamp) || 2801 (raid->magic_1 != meta->raid_number))) 2802 continue; 2803 2804 array += meta->raid_number; 2805 2806 raid_entry = meta->raid_number; 2807 conf_entry = (meta->configs[raid_entry].raid.config_offset >> 4) + 2808 meta->disk_number - 1; 2809 2810 switch (meta->configs[raid_entry].raid.type) { 2811 case LSIV2_T_RAID0: 2812 raid->magic_0 = meta->timestamp; 2813 raid->magic_1 = meta->raid_number; 2814 raid->type = AR_T_RAID0; 2815 raid->interleave = meta->configs[raid_entry].raid.stripe_sectors; 2816 raid->width = meta->configs[raid_entry].raid.array_width; 2817 break; 2818 2819 case LSIV2_T_RAID1: 2820 raid->magic_0 = meta->timestamp; 2821 raid->magic_1 = meta->raid_number; 2822 raid->type = AR_T_RAID1; 2823 raid->width = meta->configs[raid_entry].raid.array_width; 2824 break; 2825 2826 case LSIV2_T_RAID0 | LSIV2_T_RAID1: 2827 raid->magic_0 = meta->timestamp; 2828 raid->magic_1 = meta->raid_number; 2829 raid->type = AR_T_RAID01; 2830 raid->interleave = meta->configs[raid_entry].raid.stripe_sectors; 2831 raid->width = meta->configs[raid_entry].raid.array_width; 2832 break; 2833 2834 default: 2835 device_printf(parent, "LSI v2 unknown RAID type 0x%02x\n", 2836 meta->configs[raid_entry].raid.type); 2837 kfree(raidp[array], M_AR); 2838 raidp[array] = NULL; 2839 goto lsiv2_out; 2840 } 2841 2842 raid->format = AR_F_LSIV2_RAID; 2843 raid->generation = 0; 2844 raid->total_disks = meta->configs[raid_entry].raid.disk_count; 2845 raid->total_sectors = meta->configs[raid_entry].raid.total_sectors; 2846 raid->heads = 255; 2847 raid->sectors = 63; 2848 raid->cylinders = raid->total_sectors / (63 * 255); 2849 raid->offset_sectors = 0; 2850 raid->rebuild_lba = 0; 2851 raid->lun = array; 2852 2853 if (meta->configs[conf_entry].disk.device != LSIV2_D_NONE) { 2854 raid->disks[meta->disk_number].dev = parent; 2855 raid->disks[meta->disk_number].sectors = 2856 meta->configs[conf_entry].disk.disk_sectors; 2857 raid->disks[meta->disk_number].flags = 2858 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 2859 ars->raid[raid->volume] = raid; 2860 ars->disk_number[raid->volume] = meta->disk_number; 2861 retval = 1; 2862 } 2863 else 2864 raid->disks[meta->disk_number].flags &= ~AR_DF_ONLINE; 2865 2866 break; 2867 } 2868 2869 lsiv2_out: 2870 kfree(meta, M_AR); 2871 return retval; 2872 } 2873 2874 /* LSILogic V3 MegaRAID Metadata */ 2875 static int 2876 ata_raid_lsiv3_read_meta(device_t dev, struct ar_softc **raidp) 2877 { 2878 struct ata_raid_subdisk *ars = device_get_softc(dev); 2879 device_t parent = device_get_parent(dev); 2880 struct lsiv3_raid_conf *meta; 2881 struct ar_softc *raid = NULL; 2882 u_int8_t checksum, *ptr; 2883 int array, entry, count, disk_number, retval = 0; 2884 2885 meta = (struct lsiv3_raid_conf *)kmalloc(sizeof(struct lsiv3_raid_conf), 2886 M_AR, M_WAITOK | M_ZERO); 2887 2888 if (ata_raid_rw(parent, LSIV3_LBA(parent), 2889 meta, sizeof(struct lsiv3_raid_conf), ATA_R_READ)) { 2890 if (testing || bootverbose) 2891 device_printf(parent, "LSI (v3) read metadata failed\n"); 2892 goto lsiv3_out; 2893 } 2894 2895 /* check if this is a LSI RAID struct */ 2896 if (strncmp(meta->lsi_id, LSIV3_MAGIC, strlen(LSIV3_MAGIC))) { 2897 if (testing || bootverbose) 2898 device_printf(parent, "LSI (v3) check1 failed\n"); 2899 goto lsiv3_out; 2900 } 2901 2902 /* check if the checksum is OK */ 2903 for (checksum = 0, ptr = meta->lsi_id, count = 0; count < 512; count++) 2904 checksum += *ptr++; 2905 if (checksum) { 2906 if (testing || bootverbose) 2907 device_printf(parent, "LSI (v3) check2 failed\n"); 2908 goto lsiv3_out; 2909 } 2910 2911 if (testing || bootverbose) 2912 ata_raid_lsiv3_print_meta(meta); 2913 2914 /* now convert LSI (v3) config meta into our generic form */ 2915 for (array = 0, entry = 0; array < MAX_ARRAYS && entry < 8;) { 2916 if (!raidp[array]) { 2917 raidp[array] = 2918 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2919 M_WAITOK | M_ZERO); 2920 } 2921 raid = raidp[array]; 2922 if (raid->format && (raid->format != AR_F_LSIV3_RAID)) { 2923 array++; 2924 continue; 2925 } 2926 2927 if ((raid->format == AR_F_LSIV3_RAID) && 2928 (raid->magic_0 != meta->timestamp)) { 2929 array++; 2930 continue; 2931 } 2932 2933 switch (meta->raid[entry].total_disks) { 2934 case 0: 2935 entry++; 2936 continue; 2937 case 1: 2938 if (meta->raid[entry].device == meta->device) { 2939 disk_number = 0; 2940 break; 2941 } 2942 if (raid->format) 2943 array++; 2944 entry++; 2945 continue; 2946 case 2: 2947 disk_number = (meta->device & (LSIV3_D_DEVICE|LSIV3_D_CHANNEL))?1:0; 2948 break; 2949 default: 2950 device_printf(parent, "lsiv3 > 2 disk support untested!!\n"); 2951 disk_number = (meta->device & LSIV3_D_DEVICE ? 1 : 0) + 2952 (meta->device & LSIV3_D_CHANNEL ? 2 : 0); 2953 break; 2954 } 2955 2956 switch (meta->raid[entry].type) { 2957 case LSIV3_T_RAID0: 2958 raid->type = AR_T_RAID0; 2959 raid->width = meta->raid[entry].total_disks; 2960 break; 2961 2962 case LSIV3_T_RAID1: 2963 raid->type = AR_T_RAID1; 2964 raid->width = meta->raid[entry].array_width; 2965 break; 2966 2967 default: 2968 device_printf(parent, "LSI v3 unknown RAID type 0x%02x\n", 2969 meta->raid[entry].type); 2970 kfree(raidp[array], M_AR); 2971 raidp[array] = NULL; 2972 entry++; 2973 continue; 2974 } 2975 2976 raid->magic_0 = meta->timestamp; 2977 raid->format = AR_F_LSIV3_RAID; 2978 raid->generation = 0; 2979 raid->interleave = meta->raid[entry].stripe_pages * 8; 2980 raid->total_disks = meta->raid[entry].total_disks; 2981 raid->total_sectors = raid->width * meta->raid[entry].sectors; 2982 raid->heads = 255; 2983 raid->sectors = 63; 2984 raid->cylinders = raid->total_sectors / (63 * 255); 2985 raid->offset_sectors = meta->raid[entry].offset; 2986 raid->rebuild_lba = 0; 2987 raid->lun = array; 2988 2989 raid->disks[disk_number].dev = parent; 2990 raid->disks[disk_number].sectors = raid->total_sectors / raid->width; 2991 raid->disks[disk_number].flags = 2992 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 2993 ars->raid[raid->volume] = raid; 2994 ars->disk_number[raid->volume] = disk_number; 2995 retval = 1; 2996 entry++; 2997 array++; 2998 } 2999 3000 lsiv3_out: 3001 kfree(meta, M_AR); 3002 return retval; 3003 } 3004 3005 /* nVidia MediaShield Metadata */ 3006 static int 3007 ata_raid_nvidia_read_meta(device_t dev, struct ar_softc **raidp) 3008 { 3009 struct ata_raid_subdisk *ars = device_get_softc(dev); 3010 device_t parent = device_get_parent(dev); 3011 struct nvidia_raid_conf *meta; 3012 struct ar_softc *raid = NULL; 3013 u_int32_t checksum, *ptr; 3014 int array, count, retval = 0; 3015 3016 meta = (struct nvidia_raid_conf *)kmalloc(sizeof(struct nvidia_raid_conf), 3017 M_AR, M_WAITOK | M_ZERO); 3018 3019 if (ata_raid_rw(parent, NVIDIA_LBA(parent), 3020 meta, sizeof(struct nvidia_raid_conf), ATA_R_READ)) { 3021 if (testing || bootverbose) 3022 device_printf(parent, "nVidia read metadata failed\n"); 3023 goto nvidia_out; 3024 } 3025 3026 /* check if this is a nVidia RAID struct */ 3027 if (strncmp(meta->nvidia_id, NV_MAGIC, strlen(NV_MAGIC))) { 3028 if (testing || bootverbose) 3029 device_printf(parent, "nVidia check1 failed\n"); 3030 goto nvidia_out; 3031 } 3032 3033 /* check if the checksum is OK */ 3034 for (checksum = 0, ptr = (u_int32_t*)meta, count = 0; 3035 count < meta->config_size; count++) 3036 checksum += *ptr++; 3037 if (checksum) { 3038 if (testing || bootverbose) 3039 device_printf(parent, "nVidia check2 failed\n"); 3040 goto nvidia_out; 3041 } 3042 3043 if (testing || bootverbose) 3044 ata_raid_nvidia_print_meta(meta); 3045 3046 /* now convert nVidia meta into our generic form */ 3047 for (array = 0; array < MAX_ARRAYS; array++) { 3048 if (!raidp[array]) { 3049 raidp[array] = 3050 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3051 M_WAITOK | M_ZERO); 3052 } 3053 raid = raidp[array]; 3054 if (raid->format && (raid->format != AR_F_NVIDIA_RAID)) 3055 continue; 3056 3057 if (raid->format == AR_F_NVIDIA_RAID && 3058 ((raid->magic_0 != meta->magic_1) || 3059 (raid->magic_1 != meta->magic_2))) { 3060 continue; 3061 } 3062 3063 switch (meta->type) { 3064 case NV_T_SPAN: 3065 raid->type = AR_T_SPAN; 3066 break; 3067 3068 case NV_T_RAID0: 3069 raid->type = AR_T_RAID0; 3070 break; 3071 3072 case NV_T_RAID1: 3073 raid->type = AR_T_RAID1; 3074 break; 3075 3076 case NV_T_RAID5: 3077 raid->type = AR_T_RAID5; 3078 break; 3079 3080 case NV_T_RAID01: 3081 raid->type = AR_T_RAID01; 3082 break; 3083 3084 default: 3085 device_printf(parent, "nVidia unknown RAID type 0x%02x\n", 3086 meta->type); 3087 kfree(raidp[array], M_AR); 3088 raidp[array] = NULL; 3089 goto nvidia_out; 3090 } 3091 raid->magic_0 = meta->magic_1; 3092 raid->magic_1 = meta->magic_2; 3093 raid->format = AR_F_NVIDIA_RAID; 3094 raid->generation = 0; 3095 raid->interleave = meta->stripe_sectors; 3096 raid->width = meta->array_width; 3097 raid->total_disks = meta->total_disks; 3098 raid->total_sectors = meta->total_sectors; 3099 raid->heads = 255; 3100 raid->sectors = 63; 3101 raid->cylinders = raid->total_sectors / (63 * 255); 3102 raid->offset_sectors = 0; 3103 raid->rebuild_lba = meta->rebuild_lba; 3104 raid->lun = array; 3105 raid->status = AR_S_READY; 3106 if (meta->status & NV_S_DEGRADED) 3107 raid->status |= AR_S_DEGRADED; 3108 3109 raid->disks[meta->disk_number].dev = parent; 3110 raid->disks[meta->disk_number].sectors = 3111 raid->total_sectors / raid->width; 3112 raid->disks[meta->disk_number].flags = 3113 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 3114 ars->raid[raid->volume] = raid; 3115 ars->disk_number[raid->volume] = meta->disk_number; 3116 retval = 1; 3117 break; 3118 } 3119 3120 nvidia_out: 3121 kfree(meta, M_AR); 3122 return retval; 3123 } 3124 3125 /* Promise FastTrak Metadata */ 3126 static int 3127 ata_raid_promise_read_meta(device_t dev, struct ar_softc **raidp, int native) 3128 { 3129 struct ata_raid_subdisk *ars = device_get_softc(dev); 3130 device_t parent = device_get_parent(dev); 3131 struct promise_raid_conf *meta; 3132 struct ar_softc *raid; 3133 u_int32_t checksum, *ptr; 3134 int array, count, disk, disksum = 0, retval = 0; 3135 3136 meta = (struct promise_raid_conf *) 3137 kmalloc(sizeof(struct promise_raid_conf), M_AR, M_WAITOK | M_ZERO); 3138 3139 if (ata_raid_rw(parent, PROMISE_LBA(parent), 3140 meta, sizeof(struct promise_raid_conf), ATA_R_READ)) { 3141 if (testing || bootverbose) 3142 device_printf(parent, "%s read metadata failed\n", 3143 native ? "FreeBSD" : "Promise"); 3144 goto promise_out; 3145 } 3146 3147 /* check the signature */ 3148 if (native) { 3149 if (strncmp(meta->promise_id, ATA_MAGIC, strlen(ATA_MAGIC))) { 3150 if (testing || bootverbose) 3151 device_printf(parent, "FreeBSD check1 failed\n"); 3152 goto promise_out; 3153 } 3154 } 3155 else { 3156 if (strncmp(meta->promise_id, PR_MAGIC, strlen(PR_MAGIC))) { 3157 if (testing || bootverbose) 3158 device_printf(parent, "Promise check1 failed\n"); 3159 goto promise_out; 3160 } 3161 } 3162 3163 /* check if the checksum is OK */ 3164 for (checksum = 0, ptr = (u_int32_t *)meta, count = 0; count < 511; count++) 3165 checksum += *ptr++; 3166 if (checksum != *ptr) { 3167 if (testing || bootverbose) 3168 device_printf(parent, "%s check2 failed\n", 3169 native ? "FreeBSD" : "Promise"); 3170 goto promise_out; 3171 } 3172 3173 /* check on disk integrity status */ 3174 if (meta->raid.integrity != PR_I_VALID) { 3175 if (testing || bootverbose) 3176 device_printf(parent, "%s check3 failed\n", 3177 native ? "FreeBSD" : "Promise"); 3178 goto promise_out; 3179 } 3180 3181 if (testing || bootverbose) 3182 ata_raid_promise_print_meta(meta); 3183 3184 /* now convert Promise metadata into our generic form */ 3185 for (array = 0; array < MAX_ARRAYS; array++) { 3186 if (!raidp[array]) { 3187 raidp[array] = 3188 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3189 M_WAITOK | M_ZERO); 3190 } 3191 raid = raidp[array]; 3192 if (raid->format && 3193 (raid->format != (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID))) 3194 continue; 3195 3196 if ((raid->format == (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID))&& 3197 !(meta->raid.magic_1 == (raid->magic_1))) 3198 continue; 3199 3200 /* update our knowledge about the array config based on generation */ 3201 if (!meta->raid.generation || meta->raid.generation > raid->generation){ 3202 switch (meta->raid.type) { 3203 case PR_T_SPAN: 3204 raid->type = AR_T_SPAN; 3205 break; 3206 3207 case PR_T_JBOD: 3208 raid->type = AR_T_JBOD; 3209 break; 3210 3211 case PR_T_RAID0: 3212 raid->type = AR_T_RAID0; 3213 break; 3214 3215 case PR_T_RAID1: 3216 raid->type = AR_T_RAID1; 3217 if (meta->raid.array_width > 1) 3218 raid->type = AR_T_RAID01; 3219 break; 3220 3221 case PR_T_RAID5: 3222 raid->type = AR_T_RAID5; 3223 break; 3224 3225 default: 3226 device_printf(parent, "%s unknown RAID type 0x%02x\n", 3227 native ? "FreeBSD" : "Promise", meta->raid.type); 3228 kfree(raidp[array], M_AR); 3229 raidp[array] = NULL; 3230 goto promise_out; 3231 } 3232 raid->magic_1 = meta->raid.magic_1; 3233 raid->format = (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID); 3234 raid->generation = meta->raid.generation; 3235 raid->interleave = 1 << meta->raid.stripe_shift; 3236 raid->width = meta->raid.array_width; 3237 raid->total_disks = meta->raid.total_disks; 3238 raid->heads = meta->raid.heads + 1; 3239 raid->sectors = meta->raid.sectors; 3240 raid->cylinders = meta->raid.cylinders + 1; 3241 raid->total_sectors = meta->raid.total_sectors; 3242 raid->offset_sectors = 0; 3243 raid->rebuild_lba = meta->raid.rebuild_lba; 3244 raid->lun = array; 3245 if ((meta->raid.status & 3246 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY)) == 3247 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY)) { 3248 raid->status |= AR_S_READY; 3249 if (meta->raid.status & PR_S_DEGRADED) 3250 raid->status |= AR_S_DEGRADED; 3251 } 3252 else 3253 raid->status &= ~AR_S_READY; 3254 3255 /* convert disk flags to our internal types */ 3256 for (disk = 0; disk < meta->raid.total_disks; disk++) { 3257 raid->disks[disk].dev = NULL; 3258 raid->disks[disk].flags = 0; 3259 *((u_int64_t *)(raid->disks[disk].serial)) = 3260 meta->raid.disk[disk].magic_0; 3261 disksum += meta->raid.disk[disk].flags; 3262 if (meta->raid.disk[disk].flags & PR_F_ONLINE) 3263 raid->disks[disk].flags |= AR_DF_ONLINE; 3264 if (meta->raid.disk[disk].flags & PR_F_ASSIGNED) 3265 raid->disks[disk].flags |= AR_DF_ASSIGNED; 3266 if (meta->raid.disk[disk].flags & PR_F_SPARE) { 3267 raid->disks[disk].flags &= ~(AR_DF_ONLINE | AR_DF_ASSIGNED); 3268 raid->disks[disk].flags |= AR_DF_SPARE; 3269 } 3270 if (meta->raid.disk[disk].flags & (PR_F_REDIR | PR_F_DOWN)) 3271 raid->disks[disk].flags &= ~AR_DF_ONLINE; 3272 } 3273 if (!disksum) { 3274 device_printf(parent, "%s subdisks has no flags\n", 3275 native ? "FreeBSD" : "Promise"); 3276 kfree(raidp[array], M_AR); 3277 raidp[array] = NULL; 3278 goto promise_out; 3279 } 3280 } 3281 if (meta->raid.generation >= raid->generation) { 3282 int disk_number = meta->raid.disk_number; 3283 3284 if (raid->disks[disk_number].flags && (meta->magic_0 == 3285 *((u_int64_t *)(raid->disks[disk_number].serial)))) { 3286 raid->disks[disk_number].dev = parent; 3287 raid->disks[disk_number].flags |= AR_DF_PRESENT; 3288 raid->disks[disk_number].sectors = meta->raid.disk_sectors; 3289 if ((raid->disks[disk_number].flags & 3290 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE)) == 3291 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE)) { 3292 ars->raid[raid->volume] = raid; 3293 ars->disk_number[raid->volume] = disk_number; 3294 retval = 1; 3295 } 3296 } 3297 } 3298 break; 3299 } 3300 3301 promise_out: 3302 kfree(meta, M_AR); 3303 return retval; 3304 } 3305 3306 static int 3307 ata_raid_promise_write_meta(struct ar_softc *rdp) 3308 { 3309 struct promise_raid_conf *meta; 3310 struct timeval timestamp; 3311 u_int32_t *ckptr; 3312 int count, disk, drive, error = 0; 3313 3314 meta = (struct promise_raid_conf *) 3315 kmalloc(sizeof(struct promise_raid_conf), M_AR, M_WAITOK); 3316 3317 rdp->generation++; 3318 microtime(×tamp); 3319 3320 for (disk = 0; disk < rdp->total_disks; disk++) { 3321 for (count = 0; count < sizeof(struct promise_raid_conf); count++) 3322 *(((u_int8_t *)meta) + count) = 255 - (count % 256); 3323 meta->dummy_0 = 0x00020000; 3324 meta->raid.disk_number = disk; 3325 3326 if (rdp->disks[disk].dev) { 3327 struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev); 3328 struct ata_channel *ch = 3329 device_get_softc(device_get_parent(rdp->disks[disk].dev)); 3330 3331 meta->raid.channel = ch->unit; 3332 meta->raid.device = ATA_DEV(atadev->unit); 3333 meta->raid.disk_sectors = rdp->disks[disk].sectors; 3334 meta->raid.disk_offset = rdp->offset_sectors; 3335 } 3336 else { 3337 meta->raid.channel = 0; 3338 meta->raid.device = 0; 3339 meta->raid.disk_sectors = 0; 3340 meta->raid.disk_offset = 0; 3341 } 3342 meta->magic_0 = PR_MAGIC0(meta->raid) | timestamp.tv_sec; 3343 meta->magic_1 = timestamp.tv_sec >> 16; 3344 meta->magic_2 = timestamp.tv_sec; 3345 meta->raid.integrity = PR_I_VALID; 3346 meta->raid.magic_0 = meta->magic_0; 3347 meta->raid.rebuild_lba = rdp->rebuild_lba; 3348 meta->raid.generation = rdp->generation; 3349 3350 if (rdp->status & AR_S_READY) { 3351 meta->raid.flags = (PR_F_VALID | PR_F_ASSIGNED | PR_F_ONLINE); 3352 meta->raid.status = 3353 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY); 3354 if (rdp->status & AR_S_DEGRADED) 3355 meta->raid.status |= PR_S_DEGRADED; 3356 else 3357 meta->raid.status |= PR_S_FUNCTIONAL; 3358 } 3359 else { 3360 meta->raid.flags = PR_F_DOWN; 3361 meta->raid.status = 0; 3362 } 3363 3364 switch (rdp->type) { 3365 case AR_T_RAID0: 3366 meta->raid.type = PR_T_RAID0; 3367 break; 3368 case AR_T_RAID1: 3369 meta->raid.type = PR_T_RAID1; 3370 break; 3371 case AR_T_RAID01: 3372 meta->raid.type = PR_T_RAID1; 3373 break; 3374 case AR_T_RAID5: 3375 meta->raid.type = PR_T_RAID5; 3376 break; 3377 case AR_T_SPAN: 3378 meta->raid.type = PR_T_SPAN; 3379 break; 3380 case AR_T_JBOD: 3381 meta->raid.type = PR_T_JBOD; 3382 break; 3383 default: 3384 kfree(meta, M_AR); 3385 return ENODEV; 3386 } 3387 3388 meta->raid.total_disks = rdp->total_disks; 3389 meta->raid.stripe_shift = ffs(rdp->interleave) - 1; 3390 meta->raid.array_width = rdp->width; 3391 meta->raid.array_number = rdp->lun; 3392 meta->raid.total_sectors = rdp->total_sectors; 3393 meta->raid.cylinders = rdp->cylinders - 1; 3394 meta->raid.heads = rdp->heads - 1; 3395 meta->raid.sectors = rdp->sectors; 3396 meta->raid.magic_1 = (u_int64_t)meta->magic_2<<16 | meta->magic_1; 3397 3398 bzero(&meta->raid.disk, 8 * 12); 3399 for (drive = 0; drive < rdp->total_disks; drive++) { 3400 meta->raid.disk[drive].flags = 0; 3401 if (rdp->disks[drive].flags & AR_DF_PRESENT) 3402 meta->raid.disk[drive].flags |= PR_F_VALID; 3403 if (rdp->disks[drive].flags & AR_DF_ASSIGNED) 3404 meta->raid.disk[drive].flags |= PR_F_ASSIGNED; 3405 if (rdp->disks[drive].flags & AR_DF_ONLINE) 3406 meta->raid.disk[drive].flags |= PR_F_ONLINE; 3407 else 3408 if (rdp->disks[drive].flags & AR_DF_PRESENT) 3409 meta->raid.disk[drive].flags = (PR_F_REDIR | PR_F_DOWN); 3410 if (rdp->disks[drive].flags & AR_DF_SPARE) 3411 meta->raid.disk[drive].flags |= PR_F_SPARE; 3412 meta->raid.disk[drive].dummy_0 = 0x0; 3413 if (rdp->disks[drive].dev) { 3414 struct ata_channel *ch = 3415 device_get_softc(device_get_parent(rdp->disks[drive].dev)); 3416 struct ata_device *atadev = 3417 device_get_softc(rdp->disks[drive].dev); 3418 3419 meta->raid.disk[drive].channel = ch->unit; 3420 meta->raid.disk[drive].device = ATA_DEV(atadev->unit); 3421 } 3422 meta->raid.disk[drive].magic_0 = 3423 PR_MAGIC0(meta->raid.disk[drive]) | timestamp.tv_sec; 3424 } 3425 3426 if (rdp->disks[disk].dev) { 3427 if ((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) == 3428 (AR_DF_PRESENT | AR_DF_ONLINE)) { 3429 if (rdp->format == AR_F_FREEBSD_RAID) 3430 bcopy(ATA_MAGIC, meta->promise_id, sizeof(ATA_MAGIC)); 3431 else 3432 bcopy(PR_MAGIC, meta->promise_id, sizeof(PR_MAGIC)); 3433 } 3434 else 3435 bzero(meta->promise_id, sizeof(meta->promise_id)); 3436 meta->checksum = 0; 3437 for (ckptr = (int32_t *)meta, count = 0; count < 511; count++) 3438 meta->checksum += *ckptr++; 3439 if (testing || bootverbose) 3440 ata_raid_promise_print_meta(meta); 3441 if (ata_raid_rw(rdp->disks[disk].dev, 3442 PROMISE_LBA(rdp->disks[disk].dev), 3443 meta, sizeof(struct promise_raid_conf), 3444 ATA_R_WRITE | ATA_R_DIRECT)) { 3445 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 3446 error = EIO; 3447 } 3448 } 3449 } 3450 kfree(meta, M_AR); 3451 return error; 3452 } 3453 3454 /* Silicon Image Medley Metadata */ 3455 static int 3456 ata_raid_sii_read_meta(device_t dev, struct ar_softc **raidp) 3457 { 3458 struct ata_raid_subdisk *ars = device_get_softc(dev); 3459 device_t parent = device_get_parent(dev); 3460 struct sii_raid_conf *meta; 3461 struct ar_softc *raid = NULL; 3462 u_int16_t checksum, *ptr; 3463 int array, count, disk, retval = 0; 3464 3465 meta = (struct sii_raid_conf *)kmalloc(sizeof(struct sii_raid_conf), M_AR, 3466 M_WAITOK | M_ZERO); 3467 3468 if (ata_raid_rw(parent, SII_LBA(parent), 3469 meta, sizeof(struct sii_raid_conf), ATA_R_READ)) { 3470 if (testing || bootverbose) 3471 device_printf(parent, "Silicon Image read metadata failed\n"); 3472 goto sii_out; 3473 } 3474 3475 /* check if this is a Silicon Image (Medley) RAID struct */ 3476 for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 160; count++) 3477 checksum += *ptr++; 3478 if (checksum) { 3479 if (testing || bootverbose) 3480 device_printf(parent, "Silicon Image check1 failed\n"); 3481 goto sii_out; 3482 } 3483 3484 for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 256; count++) 3485 checksum += *ptr++; 3486 if (checksum != meta->checksum_1) { 3487 if (testing || bootverbose) 3488 device_printf(parent, "Silicon Image check2 failed\n"); 3489 goto sii_out; 3490 } 3491 3492 /* check verison */ 3493 if (meta->version_major != 0x0002 || 3494 (meta->version_minor != 0x0000 && meta->version_minor != 0x0001)) { 3495 if (testing || bootverbose) 3496 device_printf(parent, "Silicon Image check3 failed\n"); 3497 goto sii_out; 3498 } 3499 3500 if (testing || bootverbose) 3501 ata_raid_sii_print_meta(meta); 3502 3503 /* now convert Silicon Image meta into our generic form */ 3504 for (array = 0; array < MAX_ARRAYS; array++) { 3505 if (!raidp[array]) { 3506 raidp[array] = 3507 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3508 M_WAITOK | M_ZERO); 3509 } 3510 raid = raidp[array]; 3511 if (raid->format && (raid->format != AR_F_SII_RAID)) 3512 continue; 3513 3514 if (raid->format == AR_F_SII_RAID && 3515 (raid->magic_0 != *((u_int64_t *)meta->timestamp))) { 3516 continue; 3517 } 3518 3519 /* update our knowledge about the array config based on generation */ 3520 if (!meta->generation || meta->generation > raid->generation) { 3521 switch (meta->type) { 3522 case SII_T_RAID0: 3523 raid->type = AR_T_RAID0; 3524 break; 3525 3526 case SII_T_RAID1: 3527 raid->type = AR_T_RAID1; 3528 break; 3529 3530 case SII_T_RAID01: 3531 raid->type = AR_T_RAID01; 3532 break; 3533 3534 case SII_T_SPARE: 3535 device_printf(parent, "Silicon Image SPARE disk\n"); 3536 kfree(raidp[array], M_AR); 3537 raidp[array] = NULL; 3538 goto sii_out; 3539 3540 default: 3541 device_printf(parent,"Silicon Image unknown RAID type 0x%02x\n", 3542 meta->type); 3543 kfree(raidp[array], M_AR); 3544 raidp[array] = NULL; 3545 goto sii_out; 3546 } 3547 raid->magic_0 = *((u_int64_t *)meta->timestamp); 3548 raid->format = AR_F_SII_RAID; 3549 raid->generation = meta->generation; 3550 raid->interleave = meta->stripe_sectors; 3551 raid->width = (meta->raid0_disks != 0xff) ? meta->raid0_disks : 1; 3552 raid->total_disks = 3553 ((meta->raid0_disks != 0xff) ? meta->raid0_disks : 0) + 3554 ((meta->raid1_disks != 0xff) ? meta->raid1_disks : 0); 3555 raid->total_sectors = meta->total_sectors; 3556 raid->heads = 255; 3557 raid->sectors = 63; 3558 raid->cylinders = raid->total_sectors / (63 * 255); 3559 raid->offset_sectors = 0; 3560 raid->rebuild_lba = meta->rebuild_lba; 3561 raid->lun = array; 3562 strncpy(raid->name, meta->name, 3563 min(sizeof(raid->name), sizeof(meta->name))); 3564 3565 /* clear out any old info */ 3566 if (raid->generation) { 3567 for (disk = 0; disk < raid->total_disks; disk++) { 3568 raid->disks[disk].dev = NULL; 3569 raid->disks[disk].flags = 0; 3570 } 3571 } 3572 } 3573 if (meta->generation >= raid->generation) { 3574 /* XXX SOS add check for the right physical disk by serial# */ 3575 if (meta->status & SII_S_READY) { 3576 int disk_number = (raid->type == AR_T_RAID01) ? 3577 meta->raid1_ident + (meta->raid0_ident << 1) : 3578 meta->disk_number; 3579 3580 raid->disks[disk_number].dev = parent; 3581 raid->disks[disk_number].sectors = 3582 raid->total_sectors / raid->width; 3583 raid->disks[disk_number].flags = 3584 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 3585 ars->raid[raid->volume] = raid; 3586 ars->disk_number[raid->volume] = disk_number; 3587 retval = 1; 3588 } 3589 } 3590 break; 3591 } 3592 3593 sii_out: 3594 kfree(meta, M_AR); 3595 return retval; 3596 } 3597 3598 /* Silicon Integrated Systems Metadata */ 3599 static int 3600 ata_raid_sis_read_meta(device_t dev, struct ar_softc **raidp) 3601 { 3602 struct ata_raid_subdisk *ars = device_get_softc(dev); 3603 device_t parent = device_get_parent(dev); 3604 struct sis_raid_conf *meta; 3605 struct ar_softc *raid = NULL; 3606 int array, disk_number, drive, retval = 0; 3607 3608 meta = (struct sis_raid_conf *)kmalloc(sizeof(struct sis_raid_conf), M_AR, 3609 M_WAITOK | M_ZERO); 3610 3611 if (ata_raid_rw(parent, SIS_LBA(parent), 3612 meta, sizeof(struct sis_raid_conf), ATA_R_READ)) { 3613 if (testing || bootverbose) 3614 device_printf(parent, 3615 "Silicon Integrated Systems read metadata failed\n"); 3616 } 3617 3618 /* check for SiS magic */ 3619 if (meta->magic != SIS_MAGIC) { 3620 if (testing || bootverbose) 3621 device_printf(parent, 3622 "Silicon Integrated Systems check1 failed\n"); 3623 goto sis_out; 3624 } 3625 3626 if (testing || bootverbose) 3627 ata_raid_sis_print_meta(meta); 3628 3629 /* now convert SiS meta into our generic form */ 3630 for (array = 0; array < MAX_ARRAYS; array++) { 3631 if (!raidp[array]) { 3632 raidp[array] = 3633 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3634 M_WAITOK | M_ZERO); 3635 } 3636 3637 raid = raidp[array]; 3638 if (raid->format && (raid->format != AR_F_SIS_RAID)) 3639 continue; 3640 3641 if ((raid->format == AR_F_SIS_RAID) && 3642 ((raid->magic_0 != meta->controller_pci_id) || 3643 (raid->magic_1 != meta->timestamp))) { 3644 continue; 3645 } 3646 3647 switch (meta->type_total_disks & SIS_T_MASK) { 3648 case SIS_T_JBOD: 3649 raid->type = AR_T_JBOD; 3650 raid->width = (meta->type_total_disks & SIS_D_MASK); 3651 raid->total_sectors += SIS_LBA(parent); 3652 break; 3653 3654 case SIS_T_RAID0: 3655 raid->type = AR_T_RAID0; 3656 raid->width = (meta->type_total_disks & SIS_D_MASK); 3657 if (!raid->total_sectors || 3658 (raid->total_sectors > (raid->width * SIS_LBA(parent)))) 3659 raid->total_sectors = raid->width * SIS_LBA(parent); 3660 break; 3661 3662 case SIS_T_RAID1: 3663 raid->type = AR_T_RAID1; 3664 raid->width = 1; 3665 if (!raid->total_sectors || (raid->total_sectors > SIS_LBA(parent))) 3666 raid->total_sectors = SIS_LBA(parent); 3667 break; 3668 3669 default: 3670 device_printf(parent, "Silicon Integrated Systems " 3671 "unknown RAID type 0x%08x\n", meta->magic); 3672 kfree(raidp[array], M_AR); 3673 raidp[array] = NULL; 3674 goto sis_out; 3675 } 3676 raid->magic_0 = meta->controller_pci_id; 3677 raid->magic_1 = meta->timestamp; 3678 raid->format = AR_F_SIS_RAID; 3679 raid->generation = 0; 3680 raid->interleave = meta->stripe_sectors; 3681 raid->total_disks = (meta->type_total_disks & SIS_D_MASK); 3682 raid->heads = 255; 3683 raid->sectors = 63; 3684 raid->cylinders = raid->total_sectors / (63 * 255); 3685 raid->offset_sectors = 0; 3686 raid->rebuild_lba = 0; 3687 raid->lun = array; 3688 /* XXX SOS if total_disks > 2 this doesn't float */ 3689 if (((meta->disks & SIS_D_MASTER) >> 4) == meta->disk_number) 3690 disk_number = 0; 3691 else 3692 disk_number = 1; 3693 3694 for (drive = 0; drive < raid->total_disks; drive++) { 3695 raid->disks[drive].sectors = raid->total_sectors/raid->width; 3696 if (drive == disk_number) { 3697 raid->disks[disk_number].dev = parent; 3698 raid->disks[disk_number].flags = 3699 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 3700 ars->raid[raid->volume] = raid; 3701 ars->disk_number[raid->volume] = disk_number; 3702 } 3703 } 3704 retval = 1; 3705 break; 3706 } 3707 3708 sis_out: 3709 kfree(meta, M_AR); 3710 return retval; 3711 } 3712 3713 static int 3714 ata_raid_sis_write_meta(struct ar_softc *rdp) 3715 { 3716 struct sis_raid_conf *meta; 3717 struct timeval timestamp; 3718 int disk, error = 0; 3719 3720 meta = (struct sis_raid_conf *)kmalloc(sizeof(struct sis_raid_conf), M_AR, 3721 M_WAITOK | M_ZERO); 3722 3723 rdp->generation++; 3724 microtime(×tamp); 3725 3726 meta->magic = SIS_MAGIC; 3727 /* XXX SOS if total_disks > 2 this doesn't float */ 3728 for (disk = 0; disk < rdp->total_disks; disk++) { 3729 if (rdp->disks[disk].dev) { 3730 struct ata_channel *ch = 3731 device_get_softc(device_get_parent(rdp->disks[disk].dev)); 3732 struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev); 3733 int disk_number = 1 + ATA_DEV(atadev->unit) + (ch->unit << 1); 3734 3735 meta->disks |= disk_number << ((1 - disk) << 2); 3736 } 3737 } 3738 switch (rdp->type) { 3739 case AR_T_JBOD: 3740 meta->type_total_disks = SIS_T_JBOD; 3741 break; 3742 3743 case AR_T_RAID0: 3744 meta->type_total_disks = SIS_T_RAID0; 3745 break; 3746 3747 case AR_T_RAID1: 3748 meta->type_total_disks = SIS_T_RAID1; 3749 break; 3750 3751 default: 3752 kfree(meta, M_AR); 3753 return ENODEV; 3754 } 3755 meta->type_total_disks |= (rdp->total_disks & SIS_D_MASK); 3756 meta->stripe_sectors = rdp->interleave; 3757 meta->timestamp = timestamp.tv_sec; 3758 3759 for (disk = 0; disk < rdp->total_disks; disk++) { 3760 if (rdp->disks[disk].dev) { 3761 struct ata_channel *ch = 3762 device_get_softc(device_get_parent(rdp->disks[disk].dev)); 3763 struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev); 3764 3765 meta->controller_pci_id = 3766 (pci_get_vendor(GRANDPARENT(rdp->disks[disk].dev)) << 16) | 3767 pci_get_device(GRANDPARENT(rdp->disks[disk].dev)); 3768 bcopy(atadev->param.model, meta->model, sizeof(meta->model)); 3769 3770 /* XXX SOS if total_disks > 2 this may not float */ 3771 meta->disk_number = 1 + ATA_DEV(atadev->unit) + (ch->unit << 1); 3772 3773 if (testing || bootverbose) 3774 ata_raid_sis_print_meta(meta); 3775 3776 if (ata_raid_rw(rdp->disks[disk].dev, 3777 SIS_LBA(rdp->disks[disk].dev), 3778 meta, sizeof(struct sis_raid_conf), 3779 ATA_R_WRITE | ATA_R_DIRECT)) { 3780 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 3781 error = EIO; 3782 } 3783 } 3784 } 3785 kfree(meta, M_AR); 3786 return error; 3787 } 3788 3789 /* VIA Tech V-RAID Metadata */ 3790 static int 3791 ata_raid_via_read_meta(device_t dev, struct ar_softc **raidp) 3792 { 3793 struct ata_raid_subdisk *ars = device_get_softc(dev); 3794 device_t parent = device_get_parent(dev); 3795 struct via_raid_conf *meta; 3796 struct ar_softc *raid = NULL; 3797 u_int8_t checksum, *ptr; 3798 int array, count, disk, retval = 0; 3799 3800 meta = (struct via_raid_conf *)kmalloc(sizeof(struct via_raid_conf), M_AR, 3801 M_WAITOK | M_ZERO); 3802 3803 if (ata_raid_rw(parent, VIA_LBA(parent), 3804 meta, sizeof(struct via_raid_conf), ATA_R_READ)) { 3805 if (testing || bootverbose) 3806 device_printf(parent, "VIA read metadata failed\n"); 3807 goto via_out; 3808 } 3809 3810 /* check if this is a VIA RAID struct */ 3811 if (meta->magic != VIA_MAGIC) { 3812 if (testing || bootverbose) 3813 device_printf(parent, "VIA check1 failed\n"); 3814 goto via_out; 3815 } 3816 3817 /* calculate checksum and compare for valid */ 3818 for (checksum = 0, ptr = (u_int8_t *)meta, count = 0; count < 50; count++) 3819 checksum += *ptr++; 3820 if (checksum != meta->checksum) { 3821 if (testing || bootverbose) 3822 device_printf(parent, "VIA check2 failed\n"); 3823 goto via_out; 3824 } 3825 3826 if (testing || bootverbose) 3827 ata_raid_via_print_meta(meta); 3828 3829 /* now convert VIA meta into our generic form */ 3830 for (array = 0; array < MAX_ARRAYS; array++) { 3831 if (!raidp[array]) { 3832 raidp[array] = 3833 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3834 M_WAITOK | M_ZERO); 3835 } 3836 raid = raidp[array]; 3837 if (raid->format && (raid->format != AR_F_VIA_RAID)) 3838 continue; 3839 3840 if (raid->format == AR_F_VIA_RAID && (raid->magic_0 != meta->disks[0])) 3841 continue; 3842 3843 switch (meta->type & VIA_T_MASK) { 3844 case VIA_T_RAID0: 3845 raid->type = AR_T_RAID0; 3846 raid->width = meta->stripe_layout & VIA_L_DISKS; 3847 if (!raid->total_sectors || 3848 (raid->total_sectors > (raid->width * meta->disk_sectors))) 3849 raid->total_sectors = raid->width * meta->disk_sectors; 3850 break; 3851 3852 case VIA_T_RAID1: 3853 raid->type = AR_T_RAID1; 3854 raid->width = 1; 3855 raid->total_sectors = meta->disk_sectors; 3856 break; 3857 3858 case VIA_T_RAID01: 3859 raid->type = AR_T_RAID01; 3860 raid->width = meta->stripe_layout & VIA_L_DISKS; 3861 if (!raid->total_sectors || 3862 (raid->total_sectors > (raid->width * meta->disk_sectors))) 3863 raid->total_sectors = raid->width * meta->disk_sectors; 3864 break; 3865 3866 case VIA_T_RAID5: 3867 raid->type = AR_T_RAID5; 3868 raid->width = meta->stripe_layout & VIA_L_DISKS; 3869 if (!raid->total_sectors || 3870 (raid->total_sectors > ((raid->width - 1)*meta->disk_sectors))) 3871 raid->total_sectors = (raid->width - 1) * meta->disk_sectors; 3872 break; 3873 3874 case VIA_T_SPAN: 3875 raid->type = AR_T_SPAN; 3876 raid->width = 1; 3877 raid->total_sectors += meta->disk_sectors; 3878 break; 3879 3880 default: 3881 device_printf(parent,"VIA unknown RAID type 0x%02x\n", meta->type); 3882 kfree(raidp[array], M_AR); 3883 raidp[array] = NULL; 3884 goto via_out; 3885 } 3886 raid->magic_0 = meta->disks[0]; 3887 raid->format = AR_F_VIA_RAID; 3888 raid->generation = 0; 3889 raid->interleave = 3890 0x08 << ((meta->stripe_layout & VIA_L_MASK) >> VIA_L_SHIFT); 3891 for (count = 0, disk = 0; disk < 8; disk++) 3892 if (meta->disks[disk]) 3893 count++; 3894 raid->total_disks = count; 3895 raid->heads = 255; 3896 raid->sectors = 63; 3897 raid->cylinders = raid->total_sectors / (63 * 255); 3898 raid->offset_sectors = 0; 3899 raid->rebuild_lba = 0; 3900 raid->lun = array; 3901 3902 for (disk = 0; disk < raid->total_disks; disk++) { 3903 if (meta->disks[disk] == meta->disk_id) { 3904 raid->disks[disk].dev = parent; 3905 bcopy(&meta->disk_id, raid->disks[disk].serial, 3906 sizeof(u_int32_t)); 3907 raid->disks[disk].sectors = meta->disk_sectors; 3908 raid->disks[disk].flags = 3909 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 3910 ars->raid[raid->volume] = raid; 3911 ars->disk_number[raid->volume] = disk; 3912 retval = 1; 3913 break; 3914 } 3915 } 3916 break; 3917 } 3918 3919 via_out: 3920 kfree(meta, M_AR); 3921 return retval; 3922 } 3923 3924 static int 3925 ata_raid_via_write_meta(struct ar_softc *rdp) 3926 { 3927 struct via_raid_conf *meta; 3928 int disk, error = 0; 3929 3930 meta = (struct via_raid_conf *)kmalloc(sizeof(struct via_raid_conf), M_AR, 3931 M_WAITOK | M_ZERO); 3932 3933 rdp->generation++; 3934 3935 meta->magic = VIA_MAGIC; 3936 meta->dummy_0 = 0x02; 3937 switch (rdp->type) { 3938 case AR_T_SPAN: 3939 meta->type = VIA_T_SPAN; 3940 meta->stripe_layout = (rdp->total_disks & VIA_L_DISKS); 3941 break; 3942 3943 case AR_T_RAID0: 3944 meta->type = VIA_T_RAID0; 3945 meta->stripe_layout = ((rdp->interleave >> 1) & VIA_L_MASK); 3946 meta->stripe_layout |= (rdp->total_disks & VIA_L_DISKS); 3947 break; 3948 3949 case AR_T_RAID1: 3950 meta->type = VIA_T_RAID1; 3951 meta->stripe_layout = (rdp->total_disks & VIA_L_DISKS); 3952 break; 3953 3954 case AR_T_RAID5: 3955 meta->type = VIA_T_RAID5; 3956 meta->stripe_layout = ((rdp->interleave >> 1) & VIA_L_MASK); 3957 meta->stripe_layout |= (rdp->total_disks & VIA_L_DISKS); 3958 break; 3959 3960 case AR_T_RAID01: 3961 meta->type = VIA_T_RAID01; 3962 meta->stripe_layout = ((rdp->interleave >> 1) & VIA_L_MASK); 3963 meta->stripe_layout |= (rdp->width & VIA_L_DISKS); 3964 break; 3965 3966 default: 3967 kfree(meta, M_AR); 3968 return ENODEV; 3969 } 3970 meta->type |= VIA_T_BOOTABLE; /* XXX SOS */ 3971 meta->disk_sectors = 3972 rdp->total_sectors / (rdp->width - (rdp->type == AR_RAID5)); 3973 for (disk = 0; disk < rdp->total_disks; disk++) 3974 meta->disks[disk] = (u_int32_t)(uintptr_t)rdp->disks[disk].dev; 3975 3976 for (disk = 0; disk < rdp->total_disks; disk++) { 3977 if (rdp->disks[disk].dev) { 3978 u_int8_t *ptr; 3979 int count; 3980 3981 meta->disk_index = disk * sizeof(u_int32_t); 3982 if (rdp->type == AR_T_RAID01) 3983 meta->disk_index = ((meta->disk_index & 0x08) << 2) | 3984 (meta->disk_index & ~0x08); 3985 meta->disk_id = meta->disks[disk]; 3986 meta->checksum = 0; 3987 for (ptr = (u_int8_t *)meta, count = 0; count < 50; count++) 3988 meta->checksum += *ptr++; 3989 3990 if (testing || bootverbose) 3991 ata_raid_via_print_meta(meta); 3992 3993 if (ata_raid_rw(rdp->disks[disk].dev, 3994 VIA_LBA(rdp->disks[disk].dev), 3995 meta, sizeof(struct via_raid_conf), 3996 ATA_R_WRITE | ATA_R_DIRECT)) { 3997 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 3998 error = EIO; 3999 } 4000 } 4001 } 4002 kfree(meta, M_AR); 4003 return error; 4004 } 4005 4006 static struct ata_request * 4007 ata_raid_init_request(struct ar_softc *rdp, struct bio *bio) 4008 { 4009 struct ata_request *request; 4010 4011 if (!(request = ata_alloc_request())) { 4012 kprintf("FAILURE - out of memory in ata_raid_init_request\n"); 4013 return NULL; 4014 } 4015 request->timeout = ATA_DEFAULT_TIMEOUT; 4016 request->retries = 2; 4017 request->callback = ata_raid_done; 4018 request->driver = rdp; 4019 request->bio = bio; 4020 switch (request->bio->bio_buf->b_cmd) { 4021 case BUF_CMD_READ: 4022 request->flags = ATA_R_READ; 4023 break; 4024 case BUF_CMD_WRITE: 4025 request->flags = ATA_R_WRITE; 4026 break; 4027 case BUF_CMD_FLUSH: 4028 request->flags = ATA_R_CONTROL; 4029 break; 4030 default: 4031 kprintf("ar%d: FAILURE - unknown BUF operation\n", rdp->lun); 4032 ata_free_request(request); 4033 #if 0 4034 bio->bio_buf->b_flags |= B_ERROR; 4035 bio->bio_buf->b_error = EIO; 4036 biodone(bio); 4037 #endif /* 0 */ 4038 return(NULL); 4039 } 4040 return request; 4041 } 4042 4043 static int 4044 ata_raid_send_request(struct ata_request *request) 4045 { 4046 struct ata_device *atadev = device_get_softc(request->dev); 4047 4048 request->transfersize = min(request->bytecount, atadev->max_iosize); 4049 if (request->flags & ATA_R_READ) { 4050 if (atadev->mode >= ATA_DMA) { 4051 request->flags |= ATA_R_DMA; 4052 request->u.ata.command = ATA_READ_DMA; 4053 } 4054 else if (atadev->max_iosize > DEV_BSIZE) 4055 request->u.ata.command = ATA_READ_MUL; 4056 else 4057 request->u.ata.command = ATA_READ; 4058 } 4059 else if (request->flags & ATA_R_WRITE) { 4060 if (atadev->mode >= ATA_DMA) { 4061 request->flags |= ATA_R_DMA; 4062 request->u.ata.command = ATA_WRITE_DMA; 4063 } 4064 else if (atadev->max_iosize > DEV_BSIZE) 4065 request->u.ata.command = ATA_WRITE_MUL; 4066 else 4067 request->u.ata.command = ATA_WRITE; 4068 } 4069 else { 4070 device_printf(request->dev, "FAILURE - unknown IO operation\n"); 4071 ata_free_request(request); 4072 return EIO; 4073 } 4074 request->flags |= (ATA_R_ORDERED | ATA_R_THREAD); 4075 ata_queue_request(request); 4076 return 0; 4077 } 4078 4079 static int 4080 ata_raid_rw(device_t dev, u_int64_t lba, void *data, u_int bcount, int flags) 4081 { 4082 struct ata_device *atadev = device_get_softc(dev); 4083 struct ata_request *request; 4084 int error; 4085 4086 if (bcount % DEV_BSIZE) { 4087 device_printf(dev, "FAILURE - transfers must be modulo sectorsize\n"); 4088 return ENOMEM; 4089 } 4090 4091 if (!(request = ata_alloc_request())) { 4092 device_printf(dev, "FAILURE - out of memory in ata_raid_rw\n"); 4093 return ENOMEM; 4094 } 4095 4096 /* setup request */ 4097 request->dev = dev; 4098 request->timeout = 10; 4099 request->retries = 0; 4100 request->data = data; 4101 request->bytecount = bcount; 4102 request->transfersize = DEV_BSIZE; 4103 request->u.ata.lba = lba; 4104 request->u.ata.count = request->bytecount / DEV_BSIZE; 4105 request->flags = flags; 4106 4107 if (flags & ATA_R_READ) { 4108 if (atadev->mode >= ATA_DMA) { 4109 request->u.ata.command = ATA_READ_DMA; 4110 request->flags |= ATA_R_DMA; 4111 } 4112 else 4113 request->u.ata.command = ATA_READ; 4114 ata_queue_request(request); 4115 } 4116 else if (flags & ATA_R_WRITE) { 4117 if (atadev->mode >= ATA_DMA) { 4118 request->u.ata.command = ATA_WRITE_DMA; 4119 request->flags |= ATA_R_DMA; 4120 } 4121 else 4122 request->u.ata.command = ATA_WRITE; 4123 ata_queue_request(request); 4124 } 4125 else { 4126 device_printf(dev, "FAILURE - unknown IO operation\n"); 4127 request->result = EIO; 4128 } 4129 error = request->result; 4130 ata_free_request(request); 4131 return error; 4132 } 4133 4134 /* 4135 * module handeling 4136 */ 4137 static int 4138 ata_raid_subdisk_probe(device_t dev) 4139 { 4140 device_quiet(dev); 4141 return 0; 4142 } 4143 4144 static int 4145 ata_raid_subdisk_attach(device_t dev) 4146 { 4147 struct ata_raid_subdisk *ars = device_get_softc(dev); 4148 int volume; 4149 4150 for (volume = 0; volume < MAX_VOLUMES; volume++) { 4151 ars->raid[volume] = NULL; 4152 ars->disk_number[volume] = -1; 4153 } 4154 ata_raid_read_metadata(dev); 4155 return 0; 4156 } 4157 4158 static int 4159 ata_raid_subdisk_detach(device_t dev) 4160 { 4161 struct ata_raid_subdisk *ars = device_get_softc(dev); 4162 int volume; 4163 4164 for (volume = 0; volume < MAX_VOLUMES; volume++) { 4165 if (ars->raid[volume]) { 4166 ars->raid[volume]->disks[ars->disk_number[volume]].flags &= 4167 ~(AR_DF_PRESENT | AR_DF_ONLINE); 4168 ars->raid[volume]->disks[ars->disk_number[volume]].dev = NULL; 4169 ata_raid_config_changed(ars->raid[volume], 1); 4170 ars->raid[volume] = NULL; 4171 ars->disk_number[volume] = -1; 4172 } 4173 } 4174 return 0; 4175 } 4176 4177 static device_method_t ata_raid_sub_methods[] = { 4178 /* device interface */ 4179 DEVMETHOD(device_probe, ata_raid_subdisk_probe), 4180 DEVMETHOD(device_attach, ata_raid_subdisk_attach), 4181 DEVMETHOD(device_detach, ata_raid_subdisk_detach), 4182 DEVMETHOD_END 4183 }; 4184 4185 static driver_t ata_raid_sub_driver = { 4186 "subdisk", 4187 ata_raid_sub_methods, 4188 sizeof(struct ata_raid_subdisk) 4189 }; 4190 4191 DRIVER_MODULE(subdisk, ad, ata_raid_sub_driver, ata_raid_sub_devclass, NULL, NULL); 4192 4193 static int 4194 ata_raid_module_event_handler(module_t mod, int what, void *arg) 4195 { 4196 int i; 4197 4198 switch (what) { 4199 case MOD_LOAD: 4200 if (testing || bootverbose) 4201 kprintf("ATA PseudoRAID loaded\n"); 4202 #if 0 4203 /* setup table to hold metadata for all ATA PseudoRAID arrays */ 4204 ata_raid_arrays = kmalloc(sizeof(struct ar_soft *) * MAX_ARRAYS, 4205 M_AR, M_WAITOK | M_ZERO); 4206 #endif 4207 /* attach found PseudoRAID arrays */ 4208 for (i = 0; i < MAX_ARRAYS; i++) { 4209 struct ar_softc *rdp = ata_raid_arrays[i]; 4210 4211 if (!rdp || !rdp->format) 4212 continue; 4213 if (testing || bootverbose) 4214 ata_raid_print_meta(rdp); 4215 ata_raid_attach(rdp, 0); 4216 } 4217 ata_raid_ioctl_func = ata_raid_ioctl; 4218 return 0; 4219 4220 case MOD_UNLOAD: 4221 /* detach found PseudoRAID arrays */ 4222 for (i = 0; i < MAX_ARRAYS; i++) { 4223 struct ar_softc *rdp = ata_raid_arrays[i]; 4224 4225 if (!rdp || !rdp->status) 4226 continue; 4227 disk_destroy(&rdp->disk); 4228 } 4229 if (testing || bootverbose) 4230 kprintf("ATA PseudoRAID unloaded\n"); 4231 #if 0 4232 kfree(ata_raid_arrays, M_AR); 4233 #endif 4234 ata_raid_ioctl_func = NULL; 4235 return 0; 4236 4237 default: 4238 return EOPNOTSUPP; 4239 } 4240 } 4241 4242 static moduledata_t ata_raid_moduledata = 4243 { "ataraid", ata_raid_module_event_handler, NULL }; 4244 DECLARE_MODULE(ata, ata_raid_moduledata, SI_SUB_RAID, SI_ORDER_FIRST); 4245 MODULE_VERSION(ataraid, 1); 4246 MODULE_DEPEND(ataraid, ata, 1, 1, 1); 4247 MODULE_DEPEND(ataraid, ad, 1, 1, 1); 4248 4249 static char * 4250 ata_raid_format(struct ar_softc *rdp) 4251 { 4252 switch (rdp->format) { 4253 case AR_F_FREEBSD_RAID: return "FreeBSD PseudoRAID"; 4254 case AR_F_ADAPTEC_RAID: return "Adaptec HostRAID"; 4255 case AR_F_HPTV2_RAID: return "HighPoint v2 RocketRAID"; 4256 case AR_F_HPTV3_RAID: return "HighPoint v3 RocketRAID"; 4257 case AR_F_INTEL_RAID: return "Intel MatrixRAID"; 4258 case AR_F_ITE_RAID: return "Integrated Technology Express"; 4259 case AR_F_JMICRON_RAID: return "JMicron Technology Corp"; 4260 case AR_F_LSIV2_RAID: return "LSILogic v2 MegaRAID"; 4261 case AR_F_LSIV3_RAID: return "LSILogic v3 MegaRAID"; 4262 case AR_F_NVIDIA_RAID: return "nVidia MediaShield"; 4263 case AR_F_PROMISE_RAID: return "Promise Fasttrak"; 4264 case AR_F_SII_RAID: return "Silicon Image Medley"; 4265 case AR_F_SIS_RAID: return "Silicon Integrated Systems"; 4266 case AR_F_VIA_RAID: return "VIA Tech V-RAID"; 4267 default: return "UNKNOWN"; 4268 } 4269 } 4270 4271 static char * 4272 ata_raid_type(struct ar_softc *rdp) 4273 { 4274 switch (rdp->type) { 4275 case AR_T_JBOD: return "JBOD"; 4276 case AR_T_SPAN: return "SPAN"; 4277 case AR_T_RAID0: return "RAID0"; 4278 case AR_T_RAID1: return "RAID1"; 4279 case AR_T_RAID3: return "RAID3"; 4280 case AR_T_RAID4: return "RAID4"; 4281 case AR_T_RAID5: return "RAID5"; 4282 case AR_T_RAID01: return "RAID0+1"; 4283 default: return "UNKNOWN"; 4284 } 4285 } 4286 4287 static char * 4288 ata_raid_flags(struct ar_softc *rdp) 4289 { 4290 switch (rdp->status & (AR_S_READY | AR_S_DEGRADED | AR_S_REBUILDING)) { 4291 case AR_S_READY: return "READY"; 4292 case AR_S_READY | AR_S_DEGRADED: return "DEGRADED"; 4293 case AR_S_READY | AR_S_REBUILDING: 4294 case AR_S_READY | AR_S_DEGRADED | AR_S_REBUILDING: return "REBUILDING"; 4295 default: return "BROKEN"; 4296 } 4297 } 4298 4299 /* debugging gunk */ 4300 static void 4301 ata_raid_print_meta(struct ar_softc *raid) 4302 { 4303 int i; 4304 4305 kprintf("********** ATA PseudoRAID ar%d Metadata **********\n", raid->lun); 4306 kprintf("=================================================\n"); 4307 kprintf("format %s\n", ata_raid_format(raid)); 4308 kprintf("type %s\n", ata_raid_type(raid)); 4309 kprintf("flags 0x%02x %b\n", raid->status, raid->status, 4310 "\20\3REBUILDING\2DEGRADED\1READY\n"); 4311 kprintf("magic_0 0x%016jx\n", raid->magic_0); 4312 kprintf("magic_1 0x%016jx\n",raid->magic_1); 4313 kprintf("generation %u\n", raid->generation); 4314 kprintf("total_sectors %ju\n", raid->total_sectors); 4315 kprintf("offset_sectors %ju\n", raid->offset_sectors); 4316 kprintf("heads %u\n", raid->heads); 4317 kprintf("sectors %u\n", raid->sectors); 4318 kprintf("cylinders %u\n", raid->cylinders); 4319 kprintf("width %u\n", raid->width); 4320 kprintf("interleave %u\n", raid->interleave); 4321 kprintf("total_disks %u\n", raid->total_disks); 4322 for (i = 0; i < raid->total_disks; i++) { 4323 kprintf(" disk %d: flags = 0x%02x %b\n", i, raid->disks[i].flags, 4324 raid->disks[i].flags, "\20\4ONLINE\3SPARE\2ASSIGNED\1PRESENT\n"); 4325 if (raid->disks[i].dev) { 4326 kprintf(" "); 4327 device_printf(raid->disks[i].dev, " sectors %jd\n", 4328 raid->disks[i].sectors); 4329 } 4330 } 4331 kprintf("=================================================\n"); 4332 } 4333 4334 static char * 4335 ata_raid_adaptec_type(int type) 4336 { 4337 static char buffer[16]; 4338 4339 switch (type) { 4340 case ADP_T_RAID0: return "RAID0"; 4341 case ADP_T_RAID1: return "RAID1"; 4342 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4343 return buffer; 4344 } 4345 } 4346 4347 static void 4348 ata_raid_adaptec_print_meta(struct adaptec_raid_conf *meta) 4349 { 4350 int i; 4351 4352 kprintf("********* ATA Adaptec HostRAID Metadata *********\n"); 4353 kprintf("magic_0 <0x%08x>\n", be32toh(meta->magic_0)); 4354 kprintf("generation 0x%08x\n", be32toh(meta->generation)); 4355 kprintf("dummy_0 0x%04x\n", be16toh(meta->dummy_0)); 4356 kprintf("total_configs %u\n", be16toh(meta->total_configs)); 4357 kprintf("dummy_1 0x%04x\n", be16toh(meta->dummy_1)); 4358 kprintf("checksum 0x%04x\n", be16toh(meta->checksum)); 4359 kprintf("dummy_2 0x%08x\n", be32toh(meta->dummy_2)); 4360 kprintf("dummy_3 0x%08x\n", be32toh(meta->dummy_3)); 4361 kprintf("flags 0x%08x\n", be32toh(meta->flags)); 4362 kprintf("timestamp 0x%08x\n", be32toh(meta->timestamp)); 4363 kprintf("dummy_4 0x%08x 0x%08x 0x%08x 0x%08x\n", 4364 be32toh(meta->dummy_4[0]), be32toh(meta->dummy_4[1]), 4365 be32toh(meta->dummy_4[2]), be32toh(meta->dummy_4[3])); 4366 kprintf("dummy_5 0x%08x 0x%08x 0x%08x 0x%08x\n", 4367 be32toh(meta->dummy_5[0]), be32toh(meta->dummy_5[1]), 4368 be32toh(meta->dummy_5[2]), be32toh(meta->dummy_5[3])); 4369 4370 for (i = 0; i < be16toh(meta->total_configs); i++) { 4371 kprintf(" %d total_disks %u\n", i, 4372 be16toh(meta->configs[i].disk_number)); 4373 kprintf(" %d generation %u\n", i, 4374 be16toh(meta->configs[i].generation)); 4375 kprintf(" %d magic_0 0x%08x\n", i, 4376 be32toh(meta->configs[i].magic_0)); 4377 kprintf(" %d dummy_0 0x%02x\n", i, meta->configs[i].dummy_0); 4378 kprintf(" %d type %s\n", i, 4379 ata_raid_adaptec_type(meta->configs[i].type)); 4380 kprintf(" %d dummy_1 0x%02x\n", i, meta->configs[i].dummy_1); 4381 kprintf(" %d flags %d\n", i, 4382 be32toh(meta->configs[i].flags)); 4383 kprintf(" %d dummy_2 0x%02x\n", i, meta->configs[i].dummy_2); 4384 kprintf(" %d dummy_3 0x%02x\n", i, meta->configs[i].dummy_3); 4385 kprintf(" %d dummy_4 0x%02x\n", i, meta->configs[i].dummy_4); 4386 kprintf(" %d dummy_5 0x%02x\n", i, meta->configs[i].dummy_5); 4387 kprintf(" %d disk_number %u\n", i, 4388 be32toh(meta->configs[i].disk_number)); 4389 kprintf(" %d dummy_6 0x%08x\n", i, 4390 be32toh(meta->configs[i].dummy_6)); 4391 kprintf(" %d sectors %u\n", i, 4392 be32toh(meta->configs[i].sectors)); 4393 kprintf(" %d stripe_shift %u\n", i, 4394 be16toh(meta->configs[i].stripe_shift)); 4395 kprintf(" %d dummy_7 0x%08x\n", i, 4396 be32toh(meta->configs[i].dummy_7)); 4397 kprintf(" %d dummy_8 0x%08x 0x%08x 0x%08x 0x%08x\n", i, 4398 be32toh(meta->configs[i].dummy_8[0]), 4399 be32toh(meta->configs[i].dummy_8[1]), 4400 be32toh(meta->configs[i].dummy_8[2]), 4401 be32toh(meta->configs[i].dummy_8[3])); 4402 kprintf(" %d name <%s>\n", i, meta->configs[i].name); 4403 } 4404 kprintf("magic_1 <0x%08x>\n", be32toh(meta->magic_1)); 4405 kprintf("magic_2 <0x%08x>\n", be32toh(meta->magic_2)); 4406 kprintf("magic_3 <0x%08x>\n", be32toh(meta->magic_3)); 4407 kprintf("magic_4 <0x%08x>\n", be32toh(meta->magic_4)); 4408 kprintf("=================================================\n"); 4409 } 4410 4411 static char * 4412 ata_raid_hptv2_type(int type) 4413 { 4414 static char buffer[16]; 4415 4416 switch (type) { 4417 case HPTV2_T_RAID0: return "RAID0"; 4418 case HPTV2_T_RAID1: return "RAID1"; 4419 case HPTV2_T_RAID01_RAID0: return "RAID01_RAID0"; 4420 case HPTV2_T_SPAN: return "SPAN"; 4421 case HPTV2_T_RAID_3: return "RAID3"; 4422 case HPTV2_T_RAID_5: return "RAID5"; 4423 case HPTV2_T_JBOD: return "JBOD"; 4424 case HPTV2_T_RAID01_RAID1: return "RAID01_RAID1"; 4425 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4426 return buffer; 4427 } 4428 } 4429 4430 static void 4431 ata_raid_hptv2_print_meta(struct hptv2_raid_conf *meta) 4432 { 4433 int i; 4434 4435 kprintf("****** ATA Highpoint V2 RocketRAID Metadata *****\n"); 4436 kprintf("magic 0x%08x\n", meta->magic); 4437 kprintf("magic_0 0x%08x\n", meta->magic_0); 4438 kprintf("magic_1 0x%08x\n", meta->magic_1); 4439 kprintf("order 0x%08x\n", meta->order); 4440 kprintf("array_width %u\n", meta->array_width); 4441 kprintf("stripe_shift %u\n", meta->stripe_shift); 4442 kprintf("type %s\n", ata_raid_hptv2_type(meta->type)); 4443 kprintf("disk_number %u\n", meta->disk_number); 4444 kprintf("total_sectors %u\n", meta->total_sectors); 4445 kprintf("disk_mode 0x%08x\n", meta->disk_mode); 4446 kprintf("boot_mode 0x%08x\n", meta->boot_mode); 4447 kprintf("boot_disk 0x%02x\n", meta->boot_disk); 4448 kprintf("boot_protect 0x%02x\n", meta->boot_protect); 4449 kprintf("log_entries 0x%02x\n", meta->error_log_entries); 4450 kprintf("log_index 0x%02x\n", meta->error_log_index); 4451 if (meta->error_log_entries) { 4452 kprintf(" timestamp reason disk status sectors lba\n"); 4453 for (i = meta->error_log_index; 4454 i < meta->error_log_index + meta->error_log_entries; i++) 4455 kprintf(" 0x%08x 0x%02x 0x%02x 0x%02x 0x%02x 0x%08x\n", 4456 meta->errorlog[i%32].timestamp, 4457 meta->errorlog[i%32].reason, 4458 meta->errorlog[i%32].disk, meta->errorlog[i%32].status, 4459 meta->errorlog[i%32].sectors, meta->errorlog[i%32].lba); 4460 } 4461 kprintf("rebuild_lba 0x%08x\n", meta->rebuild_lba); 4462 kprintf("dummy_1 0x%02x\n", meta->dummy_1); 4463 kprintf("name_1 <%.15s>\n", meta->name_1); 4464 kprintf("dummy_2 0x%02x\n", meta->dummy_2); 4465 kprintf("name_2 <%.15s>\n", meta->name_2); 4466 kprintf("=================================================\n"); 4467 } 4468 4469 static char * 4470 ata_raid_hptv3_type(int type) 4471 { 4472 static char buffer[16]; 4473 4474 switch (type) { 4475 case HPTV3_T_SPARE: return "SPARE"; 4476 case HPTV3_T_JBOD: return "JBOD"; 4477 case HPTV3_T_SPAN: return "SPAN"; 4478 case HPTV3_T_RAID0: return "RAID0"; 4479 case HPTV3_T_RAID1: return "RAID1"; 4480 case HPTV3_T_RAID3: return "RAID3"; 4481 case HPTV3_T_RAID5: return "RAID5"; 4482 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4483 return buffer; 4484 } 4485 } 4486 4487 static void 4488 ata_raid_hptv3_print_meta(struct hptv3_raid_conf *meta) 4489 { 4490 int i; 4491 4492 kprintf("****** ATA Highpoint V3 RocketRAID Metadata *****\n"); 4493 kprintf("magic 0x%08x\n", meta->magic); 4494 kprintf("magic_0 0x%08x\n", meta->magic_0); 4495 kprintf("checksum_0 0x%02x\n", meta->checksum_0); 4496 kprintf("mode 0x%02x\n", meta->mode); 4497 kprintf("user_mode 0x%02x\n", meta->user_mode); 4498 kprintf("config_entries 0x%02x\n", meta->config_entries); 4499 for (i = 0; i < meta->config_entries; i++) { 4500 kprintf("config %d:\n", i); 4501 kprintf(" total_sectors %ju\n", 4502 meta->configs[0].total_sectors + 4503 ((u_int64_t)meta->configs_high[0].total_sectors << 32)); 4504 kprintf(" type %s\n", 4505 ata_raid_hptv3_type(meta->configs[i].type)); 4506 kprintf(" total_disks %u\n", meta->configs[i].total_disks); 4507 kprintf(" disk_number %u\n", meta->configs[i].disk_number); 4508 kprintf(" stripe_shift %u\n", meta->configs[i].stripe_shift); 4509 kprintf(" status %b\n", meta->configs[i].status, 4510 "\20\2RAID5\1NEED_REBUILD\n"); 4511 kprintf(" critical_disks %u\n", meta->configs[i].critical_disks); 4512 kprintf(" rebuild_lba %ju\n", 4513 meta->configs_high[0].rebuild_lba + 4514 ((u_int64_t)meta->configs_high[0].rebuild_lba << 32)); 4515 } 4516 kprintf("name <%.16s>\n", meta->name); 4517 kprintf("timestamp 0x%08x\n", meta->timestamp); 4518 kprintf("description <%.16s>\n", meta->description); 4519 kprintf("creator <%.16s>\n", meta->creator); 4520 kprintf("checksum_1 0x%02x\n", meta->checksum_1); 4521 kprintf("dummy_0 0x%02x\n", meta->dummy_0); 4522 kprintf("dummy_1 0x%02x\n", meta->dummy_1); 4523 kprintf("flags %b\n", meta->flags, 4524 "\20\4RCACHE\3WCACHE\2NCQ\1TCQ\n"); 4525 kprintf("=================================================\n"); 4526 } 4527 4528 static char * 4529 ata_raid_intel_type(int type) 4530 { 4531 static char buffer[16]; 4532 4533 switch (type) { 4534 case INTEL_T_RAID0: return "RAID0"; 4535 case INTEL_T_RAID1: return "RAID1"; 4536 case INTEL_T_RAID5: return "RAID5"; 4537 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4538 return buffer; 4539 } 4540 } 4541 4542 static void 4543 ata_raid_intel_print_meta(struct intel_raid_conf *meta) 4544 { 4545 struct intel_raid_mapping *map; 4546 int i, j; 4547 4548 kprintf("********* ATA Intel MatrixRAID Metadata *********\n"); 4549 kprintf("intel_id <%.24s>\n", meta->intel_id); 4550 kprintf("version <%.6s>\n", meta->version); 4551 kprintf("checksum 0x%08x\n", meta->checksum); 4552 kprintf("config_size 0x%08x\n", meta->config_size); 4553 kprintf("config_id 0x%08x\n", meta->config_id); 4554 kprintf("generation 0x%08x\n", meta->generation); 4555 kprintf("total_disks %u\n", meta->total_disks); 4556 kprintf("total_volumes %u\n", meta->total_volumes); 4557 kprintf("DISK# serial disk_sectors disk_id flags\n"); 4558 for (i = 0; i < meta->total_disks; i++ ) { 4559 kprintf(" %d <%.16s> %u 0x%08x 0x%08x\n", i, 4560 meta->disk[i].serial, meta->disk[i].sectors, 4561 meta->disk[i].id, meta->disk[i].flags); 4562 } 4563 map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks]; 4564 for (j = 0; j < meta->total_volumes; j++) { 4565 kprintf("name %.16s\n", map->name); 4566 kprintf("total_sectors %ju\n", map->total_sectors); 4567 kprintf("state %u\n", map->state); 4568 kprintf("reserved %u\n", map->reserved); 4569 kprintf("offset %u\n", map->offset); 4570 kprintf("disk_sectors %u\n", map->disk_sectors); 4571 kprintf("stripe_count %u\n", map->stripe_count); 4572 kprintf("stripe_sectors %u\n", map->stripe_sectors); 4573 kprintf("status %u\n", map->status); 4574 kprintf("type %s\n", ata_raid_intel_type(map->type)); 4575 kprintf("total_disks %u\n", map->total_disks); 4576 kprintf("magic[0] 0x%02x\n", map->magic[0]); 4577 kprintf("magic[1] 0x%02x\n", map->magic[1]); 4578 kprintf("magic[2] 0x%02x\n", map->magic[2]); 4579 for (i = 0; i < map->total_disks; i++ ) { 4580 kprintf(" disk %d at disk_idx 0x%08x\n", i, map->disk_idx[i]); 4581 } 4582 map = (struct intel_raid_mapping *)&map->disk_idx[map->total_disks]; 4583 } 4584 kprintf("=================================================\n"); 4585 } 4586 4587 static char * 4588 ata_raid_ite_type(int type) 4589 { 4590 static char buffer[16]; 4591 4592 switch (type) { 4593 case ITE_T_RAID0: return "RAID0"; 4594 case ITE_T_RAID1: return "RAID1"; 4595 case ITE_T_RAID01: return "RAID0+1"; 4596 case ITE_T_SPAN: return "SPAN"; 4597 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4598 return buffer; 4599 } 4600 } 4601 4602 static void 4603 ata_raid_ite_print_meta(struct ite_raid_conf *meta) 4604 { 4605 kprintf("*** ATA Integrated Technology Express Metadata **\n"); 4606 kprintf("ite_id <%.40s>\n", meta->ite_id); 4607 kprintf("timestamp_0 %04x/%02x/%02x %02x:%02x:%02x.%02x\n", 4608 *((u_int16_t *)meta->timestamp_0), meta->timestamp_0[2], 4609 meta->timestamp_0[3], meta->timestamp_0[5], meta->timestamp_0[4], 4610 meta->timestamp_0[7], meta->timestamp_0[6]); 4611 kprintf("total_sectors %jd\n", meta->total_sectors); 4612 kprintf("type %s\n", ata_raid_ite_type(meta->type)); 4613 kprintf("stripe_1kblocks %u\n", meta->stripe_1kblocks); 4614 kprintf("timestamp_1 %04x/%02x/%02x %02x:%02x:%02x.%02x\n", 4615 *((u_int16_t *)meta->timestamp_1), meta->timestamp_1[2], 4616 meta->timestamp_1[3], meta->timestamp_1[5], meta->timestamp_1[4], 4617 meta->timestamp_1[7], meta->timestamp_1[6]); 4618 kprintf("stripe_sectors %u\n", meta->stripe_sectors); 4619 kprintf("array_width %u\n", meta->array_width); 4620 kprintf("disk_number %u\n", meta->disk_number); 4621 kprintf("disk_sectors %u\n", meta->disk_sectors); 4622 kprintf("=================================================\n"); 4623 } 4624 4625 static char * 4626 ata_raid_jmicron_type(int type) 4627 { 4628 static char buffer[16]; 4629 4630 switch (type) { 4631 case JM_T_RAID0: return "RAID0"; 4632 case JM_T_RAID1: return "RAID1"; 4633 case JM_T_RAID01: return "RAID0+1"; 4634 case JM_T_JBOD: return "JBOD"; 4635 case JM_T_RAID5: return "RAID5"; 4636 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4637 return buffer; 4638 } 4639 } 4640 4641 static void 4642 ata_raid_jmicron_print_meta(struct jmicron_raid_conf *meta) 4643 { 4644 int i; 4645 4646 kprintf("***** ATA JMicron Technology Corp Metadata ******\n"); 4647 kprintf("signature %.2s\n", meta->signature); 4648 kprintf("version 0x%04x\n", meta->version); 4649 kprintf("checksum 0x%04x\n", meta->checksum); 4650 kprintf("disk_id 0x%08x\n", meta->disk_id); 4651 kprintf("offset 0x%08x\n", meta->offset); 4652 kprintf("disk_sectors_low 0x%08x\n", meta->disk_sectors_low); 4653 kprintf("disk_sectors_high 0x%08x\n", meta->disk_sectors_high); 4654 kprintf("name %.16s\n", meta->name); 4655 kprintf("type %s\n", ata_raid_jmicron_type(meta->type)); 4656 kprintf("stripe_shift %d\n", meta->stripe_shift); 4657 kprintf("flags 0x%04x\n", meta->flags); 4658 kprintf("spare:\n"); 4659 for (i=0; i < 2 && meta->spare[i]; i++) 4660 kprintf(" %d 0x%08x\n", i, meta->spare[i]); 4661 kprintf("disks:\n"); 4662 for (i=0; i < 8 && meta->disks[i]; i++) 4663 kprintf(" %d 0x%08x\n", i, meta->disks[i]); 4664 kprintf("=================================================\n"); 4665 } 4666 4667 static char * 4668 ata_raid_lsiv2_type(int type) 4669 { 4670 static char buffer[16]; 4671 4672 switch (type) { 4673 case LSIV2_T_RAID0: return "RAID0"; 4674 case LSIV2_T_RAID1: return "RAID1"; 4675 case LSIV2_T_SPARE: return "SPARE"; 4676 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4677 return buffer; 4678 } 4679 } 4680 4681 static void 4682 ata_raid_lsiv2_print_meta(struct lsiv2_raid_conf *meta) 4683 { 4684 int i; 4685 4686 kprintf("******* ATA LSILogic V2 MegaRAID Metadata *******\n"); 4687 kprintf("lsi_id <%s>\n", meta->lsi_id); 4688 kprintf("dummy_0 0x%02x\n", meta->dummy_0); 4689 kprintf("flags 0x%02x\n", meta->flags); 4690 kprintf("version 0x%04x\n", meta->version); 4691 kprintf("config_entries 0x%02x\n", meta->config_entries); 4692 kprintf("raid_count 0x%02x\n", meta->raid_count); 4693 kprintf("total_disks 0x%02x\n", meta->total_disks); 4694 kprintf("dummy_1 0x%02x\n", meta->dummy_1); 4695 kprintf("dummy_2 0x%04x\n", meta->dummy_2); 4696 for (i = 0; i < meta->config_entries; i++) { 4697 kprintf(" type %s\n", 4698 ata_raid_lsiv2_type(meta->configs[i].raid.type)); 4699 kprintf(" dummy_0 %02x\n", meta->configs[i].raid.dummy_0); 4700 kprintf(" stripe_sectors %u\n", 4701 meta->configs[i].raid.stripe_sectors); 4702 kprintf(" array_width %u\n", 4703 meta->configs[i].raid.array_width); 4704 kprintf(" disk_count %u\n", meta->configs[i].raid.disk_count); 4705 kprintf(" config_offset %u\n", 4706 meta->configs[i].raid.config_offset); 4707 kprintf(" dummy_1 %u\n", meta->configs[i].raid.dummy_1); 4708 kprintf(" flags %02x\n", meta->configs[i].raid.flags); 4709 kprintf(" total_sectors %u\n", 4710 meta->configs[i].raid.total_sectors); 4711 } 4712 kprintf("disk_number 0x%02x\n", meta->disk_number); 4713 kprintf("raid_number 0x%02x\n", meta->raid_number); 4714 kprintf("timestamp 0x%08x\n", meta->timestamp); 4715 kprintf("=================================================\n"); 4716 } 4717 4718 static char * 4719 ata_raid_lsiv3_type(int type) 4720 { 4721 static char buffer[16]; 4722 4723 switch (type) { 4724 case LSIV3_T_RAID0: return "RAID0"; 4725 case LSIV3_T_RAID1: return "RAID1"; 4726 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4727 return buffer; 4728 } 4729 } 4730 4731 static void 4732 ata_raid_lsiv3_print_meta(struct lsiv3_raid_conf *meta) 4733 { 4734 int i; 4735 4736 kprintf("******* ATA LSILogic V3 MegaRAID Metadata *******\n"); 4737 kprintf("lsi_id <%.6s>\n", meta->lsi_id); 4738 kprintf("dummy_0 0x%04x\n", meta->dummy_0); 4739 kprintf("version 0x%04x\n", meta->version); 4740 kprintf("dummy_0 0x%04x\n", meta->dummy_1); 4741 kprintf("RAID configs:\n"); 4742 for (i = 0; i < 8; i++) { 4743 if (meta->raid[i].total_disks) { 4744 kprintf("%02d stripe_pages %u\n", i, 4745 meta->raid[i].stripe_pages); 4746 kprintf("%02d type %s\n", i, 4747 ata_raid_lsiv3_type(meta->raid[i].type)); 4748 kprintf("%02d total_disks %u\n", i, 4749 meta->raid[i].total_disks); 4750 kprintf("%02d array_width %u\n", i, 4751 meta->raid[i].array_width); 4752 kprintf("%02d sectors %u\n", i, meta->raid[i].sectors); 4753 kprintf("%02d offset %u\n", i, meta->raid[i].offset); 4754 kprintf("%02d device 0x%02x\n", i, 4755 meta->raid[i].device); 4756 } 4757 } 4758 kprintf("DISK configs:\n"); 4759 for (i = 0; i < 6; i++) { 4760 if (meta->disk[i].disk_sectors) { 4761 kprintf("%02d disk_sectors %u\n", i, 4762 meta->disk[i].disk_sectors); 4763 kprintf("%02d flags 0x%02x\n", i, meta->disk[i].flags); 4764 } 4765 } 4766 kprintf("device 0x%02x\n", meta->device); 4767 kprintf("timestamp 0x%08x\n", meta->timestamp); 4768 kprintf("checksum_1 0x%02x\n", meta->checksum_1); 4769 kprintf("=================================================\n"); 4770 } 4771 4772 static char * 4773 ata_raid_nvidia_type(int type) 4774 { 4775 static char buffer[16]; 4776 4777 switch (type) { 4778 case NV_T_SPAN: return "SPAN"; 4779 case NV_T_RAID0: return "RAID0"; 4780 case NV_T_RAID1: return "RAID1"; 4781 case NV_T_RAID3: return "RAID3"; 4782 case NV_T_RAID5: return "RAID5"; 4783 case NV_T_RAID01: return "RAID0+1"; 4784 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4785 return buffer; 4786 } 4787 } 4788 4789 static void 4790 ata_raid_nvidia_print_meta(struct nvidia_raid_conf *meta) 4791 { 4792 kprintf("******** ATA nVidia MediaShield Metadata ********\n"); 4793 kprintf("nvidia_id <%.8s>\n", meta->nvidia_id); 4794 kprintf("config_size %u\n", meta->config_size); 4795 kprintf("checksum 0x%08x\n", meta->checksum); 4796 kprintf("version 0x%04x\n", meta->version); 4797 kprintf("disk_number %u\n", meta->disk_number); 4798 kprintf("dummy_0 0x%02x\n", meta->dummy_0); 4799 kprintf("total_sectors %u\n", meta->total_sectors); 4800 kprintf("sectors_size %u\n", meta->sector_size); 4801 kprintf("serial %.16s\n", meta->serial); 4802 kprintf("revision %.4s\n", meta->revision); 4803 kprintf("dummy_1 0x%08x\n", meta->dummy_1); 4804 kprintf("magic_0 0x%08x\n", meta->magic_0); 4805 kprintf("magic_1 0x%016jx\n", meta->magic_1); 4806 kprintf("magic_2 0x%016jx\n", meta->magic_2); 4807 kprintf("flags 0x%02x\n", meta->flags); 4808 kprintf("array_width %u\n", meta->array_width); 4809 kprintf("total_disks %u\n", meta->total_disks); 4810 kprintf("dummy_2 0x%02x\n", meta->dummy_2); 4811 kprintf("type %s\n", ata_raid_nvidia_type(meta->type)); 4812 kprintf("dummy_3 0x%04x\n", meta->dummy_3); 4813 kprintf("stripe_sectors %u\n", meta->stripe_sectors); 4814 kprintf("stripe_bytes %u\n", meta->stripe_bytes); 4815 kprintf("stripe_shift %u\n", meta->stripe_shift); 4816 kprintf("stripe_mask 0x%08x\n", meta->stripe_mask); 4817 kprintf("stripe_sizesectors %u\n", meta->stripe_sizesectors); 4818 kprintf("stripe_sizebytes %u\n", meta->stripe_sizebytes); 4819 kprintf("rebuild_lba %u\n", meta->rebuild_lba); 4820 kprintf("dummy_4 0x%08x\n", meta->dummy_4); 4821 kprintf("dummy_5 0x%08x\n", meta->dummy_5); 4822 kprintf("status 0x%08x\n", meta->status); 4823 kprintf("=================================================\n"); 4824 } 4825 4826 static char * 4827 ata_raid_promise_type(int type) 4828 { 4829 static char buffer[16]; 4830 4831 switch (type) { 4832 case PR_T_RAID0: return "RAID0"; 4833 case PR_T_RAID1: return "RAID1"; 4834 case PR_T_RAID3: return "RAID3"; 4835 case PR_T_RAID5: return "RAID5"; 4836 case PR_T_SPAN: return "SPAN"; 4837 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4838 return buffer; 4839 } 4840 } 4841 4842 static void 4843 ata_raid_promise_print_meta(struct promise_raid_conf *meta) 4844 { 4845 int i; 4846 4847 kprintf("********* ATA Promise FastTrak Metadata *********\n"); 4848 kprintf("promise_id <%s>\n", meta->promise_id); 4849 kprintf("dummy_0 0x%08x\n", meta->dummy_0); 4850 kprintf("magic_0 0x%016jx\n", meta->magic_0); 4851 kprintf("magic_1 0x%04x\n", meta->magic_1); 4852 kprintf("magic_2 0x%08x\n", meta->magic_2); 4853 kprintf("integrity 0x%08x %b\n", meta->raid.integrity, 4854 meta->raid.integrity, "\20\10VALID\n" ); 4855 kprintf("flags 0x%02x %b\n", 4856 meta->raid.flags, meta->raid.flags, 4857 "\20\10READY\7DOWN\6REDIR\5DUPLICATE\4SPARE" 4858 "\3ASSIGNED\2ONLINE\1VALID\n"); 4859 kprintf("disk_number %d\n", meta->raid.disk_number); 4860 kprintf("channel 0x%02x\n", meta->raid.channel); 4861 kprintf("device 0x%02x\n", meta->raid.device); 4862 kprintf("magic_0 0x%016jx\n", meta->raid.magic_0); 4863 kprintf("disk_offset %u\n", meta->raid.disk_offset); 4864 kprintf("disk_sectors %u\n", meta->raid.disk_sectors); 4865 kprintf("rebuild_lba 0x%08x\n", meta->raid.rebuild_lba); 4866 kprintf("generation 0x%04x\n", meta->raid.generation); 4867 kprintf("status 0x%02x %b\n", 4868 meta->raid.status, meta->raid.status, 4869 "\20\6MARKED\5DEGRADED\4READY\3INITED\2ONLINE\1VALID\n"); 4870 kprintf("type %s\n", ata_raid_promise_type(meta->raid.type)); 4871 kprintf("total_disks %u\n", meta->raid.total_disks); 4872 kprintf("stripe_shift %u\n", meta->raid.stripe_shift); 4873 kprintf("array_width %u\n", meta->raid.array_width); 4874 kprintf("array_number %u\n", meta->raid.array_number); 4875 kprintf("total_sectors %u\n", meta->raid.total_sectors); 4876 kprintf("cylinders %u\n", meta->raid.cylinders); 4877 kprintf("heads %u\n", meta->raid.heads); 4878 kprintf("sectors %u\n", meta->raid.sectors); 4879 kprintf("magic_1 0x%016jx\n", meta->raid.magic_1); 4880 kprintf("DISK# flags dummy_0 channel device magic_0\n"); 4881 for (i = 0; i < 8; i++) { 4882 kprintf(" %d %b 0x%02x 0x%02x 0x%02x ", 4883 i, meta->raid.disk[i].flags, 4884 "\20\10READY\7DOWN\6REDIR\5DUPLICATE\4SPARE" 4885 "\3ASSIGNED\2ONLINE\1VALID\n", meta->raid.disk[i].dummy_0, 4886 meta->raid.disk[i].channel, meta->raid.disk[i].device); 4887 kprintf("0x%016jx\n", meta->raid.disk[i].magic_0); 4888 } 4889 kprintf("checksum 0x%08x\n", meta->checksum); 4890 kprintf("=================================================\n"); 4891 } 4892 4893 static char * 4894 ata_raid_sii_type(int type) 4895 { 4896 static char buffer[16]; 4897 4898 switch (type) { 4899 case SII_T_RAID0: return "RAID0"; 4900 case SII_T_RAID1: return "RAID1"; 4901 case SII_T_RAID01: return "RAID0+1"; 4902 case SII_T_SPARE: return "SPARE"; 4903 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4904 return buffer; 4905 } 4906 } 4907 4908 static void 4909 ata_raid_sii_print_meta(struct sii_raid_conf *meta) 4910 { 4911 kprintf("******* ATA Silicon Image Medley Metadata *******\n"); 4912 kprintf("total_sectors %ju\n", meta->total_sectors); 4913 kprintf("dummy_0 0x%04x\n", meta->dummy_0); 4914 kprintf("dummy_1 0x%04x\n", meta->dummy_1); 4915 kprintf("controller_pci_id 0x%08x\n", meta->controller_pci_id); 4916 kprintf("version_minor 0x%04x\n", meta->version_minor); 4917 kprintf("version_major 0x%04x\n", meta->version_major); 4918 kprintf("timestamp 20%02x/%02x/%02x %02x:%02x:%02x\n", 4919 meta->timestamp[5], meta->timestamp[4], meta->timestamp[3], 4920 meta->timestamp[2], meta->timestamp[1], meta->timestamp[0]); 4921 kprintf("stripe_sectors %u\n", meta->stripe_sectors); 4922 kprintf("dummy_2 0x%04x\n", meta->dummy_2); 4923 kprintf("disk_number %u\n", meta->disk_number); 4924 kprintf("type %s\n", ata_raid_sii_type(meta->type)); 4925 kprintf("raid0_disks %u\n", meta->raid0_disks); 4926 kprintf("raid0_ident %u\n", meta->raid0_ident); 4927 kprintf("raid1_disks %u\n", meta->raid1_disks); 4928 kprintf("raid1_ident %u\n", meta->raid1_ident); 4929 kprintf("rebuild_lba %ju\n", meta->rebuild_lba); 4930 kprintf("generation 0x%08x\n", meta->generation); 4931 kprintf("status 0x%02x %b\n", 4932 meta->status, meta->status, 4933 "\20\1READY\n"); 4934 kprintf("base_raid1_position %02x\n", meta->base_raid1_position); 4935 kprintf("base_raid0_position %02x\n", meta->base_raid0_position); 4936 kprintf("position %02x\n", meta->position); 4937 kprintf("dummy_3 %04x\n", meta->dummy_3); 4938 kprintf("name <%.16s>\n", meta->name); 4939 kprintf("checksum_0 0x%04x\n", meta->checksum_0); 4940 kprintf("checksum_1 0x%04x\n", meta->checksum_1); 4941 kprintf("=================================================\n"); 4942 } 4943 4944 static char * 4945 ata_raid_sis_type(int type) 4946 { 4947 static char buffer[16]; 4948 4949 switch (type) { 4950 case SIS_T_JBOD: return "JBOD"; 4951 case SIS_T_RAID0: return "RAID0"; 4952 case SIS_T_RAID1: return "RAID1"; 4953 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4954 return buffer; 4955 } 4956 } 4957 4958 static void 4959 ata_raid_sis_print_meta(struct sis_raid_conf *meta) 4960 { 4961 kprintf("**** ATA Silicon Integrated Systems Metadata ****\n"); 4962 kprintf("magic 0x%04x\n", meta->magic); 4963 kprintf("disks 0x%02x\n", meta->disks); 4964 kprintf("type %s\n", 4965 ata_raid_sis_type(meta->type_total_disks & SIS_T_MASK)); 4966 kprintf("total_disks %u\n", meta->type_total_disks & SIS_D_MASK); 4967 kprintf("dummy_0 0x%08x\n", meta->dummy_0); 4968 kprintf("controller_pci_id 0x%08x\n", meta->controller_pci_id); 4969 kprintf("stripe_sectors %u\n", meta->stripe_sectors); 4970 kprintf("dummy_1 0x%04x\n", meta->dummy_1); 4971 kprintf("timestamp 0x%08x\n", meta->timestamp); 4972 kprintf("model %.40s\n", meta->model); 4973 kprintf("disk_number %u\n", meta->disk_number); 4974 kprintf("dummy_2 0x%02x 0x%02x 0x%02x\n", 4975 meta->dummy_2[0], meta->dummy_2[1], meta->dummy_2[2]); 4976 kprintf("=================================================\n"); 4977 } 4978 4979 static char * 4980 ata_raid_via_type(int type) 4981 { 4982 static char buffer[16]; 4983 4984 switch (type) { 4985 case VIA_T_RAID0: return "RAID0"; 4986 case VIA_T_RAID1: return "RAID1"; 4987 case VIA_T_RAID5: return "RAID5"; 4988 case VIA_T_RAID01: return "RAID0+1"; 4989 case VIA_T_SPAN: return "SPAN"; 4990 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4991 return buffer; 4992 } 4993 } 4994 4995 static void 4996 ata_raid_via_print_meta(struct via_raid_conf *meta) 4997 { 4998 int i; 4999 5000 kprintf("*************** ATA VIA Metadata ****************\n"); 5001 kprintf("magic 0x%02x\n", meta->magic); 5002 kprintf("dummy_0 0x%02x\n", meta->dummy_0); 5003 kprintf("type %s\n", 5004 ata_raid_via_type(meta->type & VIA_T_MASK)); 5005 kprintf("bootable %d\n", meta->type & VIA_T_BOOTABLE); 5006 kprintf("unknown %d\n", meta->type & VIA_T_UNKNOWN); 5007 kprintf("disk_index 0x%02x\n", meta->disk_index); 5008 kprintf("stripe_layout 0x%02x\n", meta->stripe_layout); 5009 kprintf(" stripe_disks %d\n", meta->stripe_layout & VIA_L_DISKS); 5010 kprintf(" stripe_sectors %d\n", 5011 0x08 << ((meta->stripe_layout & VIA_L_MASK) >> VIA_L_SHIFT)); 5012 kprintf("disk_sectors %ju\n", meta->disk_sectors); 5013 kprintf("disk_id 0x%08x\n", meta->disk_id); 5014 kprintf("DISK# disk_id\n"); 5015 for (i = 0; i < 8; i++) { 5016 if (meta->disks[i]) 5017 kprintf(" %d 0x%08x\n", i, meta->disks[i]); 5018 } 5019 kprintf("checksum 0x%02x\n", meta->checksum); 5020 kprintf("=================================================\n"); 5021 } 5022