1 /*- 2 * Copyright (c) 2000 - 2006 S�ren 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 * $DragonFly: src/sys/dev/disk/nata/ata-raid.c,v 1.11 2008/08/30 02:56:11 dillon Exp $ 28 */ 29 30 #include "opt_ata.h" 31 32 #include <sys/param.h> 33 #include <sys/bio.h> 34 #include <sys/buf.h> 35 #include <sys/buf2.h> 36 #include <sys/bus.h> 37 #include <sys/conf.h> 38 #include <sys/device.h> 39 #include <sys/disk.h> 40 #include <sys/endian.h> 41 #include <sys/libkern.h> 42 #include <sys/malloc.h> 43 #include <sys/module.h> 44 #include <sys/nata.h> 45 #include <sys/spinlock2.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", 157, 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 spin_init(&rdp->lock); 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 /* XXX TGEN add devstats? */ 155 cdev = disk_create(rdp->lun, &rdp->disk, &ar_ops); 156 cdev->si_drv1 = rdp; 157 cdev->si_iosize_max = 128 * DEV_BSIZE; 158 rdp->cdev = cdev; 159 160 bzero(&info, sizeof(info)); 161 info.d_media_blksize = DEV_BSIZE; /* mandatory */ 162 info.d_media_blocks = rdp->total_sectors; 163 164 info.d_secpertrack = rdp->sectors; /* optional */ 165 info.d_nheads = rdp->heads; 166 info.d_ncylinders = rdp->total_sectors/(rdp->heads*rdp->sectors); 167 info.d_secpercyl = rdp->sectors * rdp->heads; 168 169 kprintf("ar%d: %juMB <%s %s%s> status: %s\n", rdp->lun, 170 rdp->total_sectors / ((1024L * 1024L) / DEV_BSIZE), 171 ata_raid_format(rdp), ata_raid_type(rdp), 172 buffer, ata_raid_flags(rdp)); 173 174 if (testing || bootverbose) 175 kprintf("ar%d: %ju sectors [%dC/%dH/%dS] <%s> subdisks defined as:\n", 176 rdp->lun, rdp->total_sectors, 177 rdp->cylinders, rdp->heads, rdp->sectors, rdp->name); 178 179 for (disk = 0; disk < rdp->total_disks; disk++) { 180 kprintf("ar%d: disk%d ", rdp->lun, disk); 181 if (rdp->disks[disk].dev) { 182 if (rdp->disks[disk].flags & AR_DF_PRESENT) { 183 /* status of this disk in the array */ 184 if (rdp->disks[disk].flags & AR_DF_ONLINE) 185 kprintf("READY "); 186 else if (rdp->disks[disk].flags & AR_DF_SPARE) 187 kprintf("SPARE "); 188 else 189 kprintf("FREE "); 190 191 /* what type of disk is this in the array */ 192 switch (rdp->type) { 193 case AR_T_RAID1: 194 case AR_T_RAID01: 195 if (disk < rdp->width) 196 kprintf("(master) "); 197 else 198 kprintf("(mirror) "); 199 } 200 201 /* which physical disk is used */ 202 kprintf("using %s at ata%d-%s\n", 203 device_get_nameunit(rdp->disks[disk].dev), 204 device_get_unit(device_get_parent(rdp->disks[disk].dev)), 205 (((struct ata_device *) 206 device_get_softc(rdp->disks[disk].dev))->unit == 207 ATA_MASTER) ? "master" : "slave"); 208 } 209 else if (rdp->disks[disk].flags & AR_DF_ASSIGNED) 210 kprintf("DOWN\n"); 211 else 212 kprintf("INVALID no RAID config on this subdisk\n"); 213 } 214 else 215 kprintf("DOWN no device found for this subdisk\n"); 216 } 217 218 disk_setdiskinfo(&rdp->disk, &info); 219 } 220 221 /* 222 * ATA PseudoRAID ioctl function. Note that this does not need to be adjusted 223 * to the dev_ops way, because it's just chained from the generic ata ioctl. 224 */ 225 static int 226 ata_raid_ioctl(u_long cmd, caddr_t data) 227 { 228 struct ata_ioc_raid_config *config = (struct ata_ioc_raid_config *)data; 229 int *lun = (int *)data; 230 int error = EOPNOTSUPP; 231 232 switch (cmd) { 233 case IOCATARAIDSTATUS: 234 error = ata_raid_status(config); 235 break; 236 237 case IOCATARAIDCREATE: 238 error = ata_raid_create(config); 239 break; 240 241 case IOCATARAIDDELETE: 242 error = ata_raid_delete(*lun); 243 break; 244 245 case IOCATARAIDADDSPARE: 246 error = ata_raid_addspare(config); 247 break; 248 249 case IOCATARAIDREBUILD: 250 error = ata_raid_rebuild(*lun); 251 break; 252 } 253 return error; 254 } 255 256 static int 257 ata_raid_flush(struct ar_softc *rdp, struct bio *bp) 258 { 259 struct ata_request *request; 260 device_t dev; 261 int disk, error; 262 263 error = 0; 264 bp->bio_driver_info = NULL; 265 266 for (disk = 0; disk < rdp->total_disks; disk++) { 267 if ((dev = rdp->disks[disk].dev) != NULL) 268 bp->bio_driver_info = (void *)((intptr_t)bp->bio_driver_info + 1); 269 } 270 for (disk = 0; disk < rdp->total_disks; disk++) { 271 if ((dev = rdp->disks[disk].dev) == NULL) 272 continue; 273 if (!(request = ata_raid_init_request(rdp, bp))) 274 return ENOMEM; 275 request->dev = dev; 276 request->u.ata.command = ATA_FLUSHCACHE; 277 request->u.ata.lba = 0; 278 request->u.ata.count = 0; 279 request->u.ata.feature = 0; 280 request->timeout = 1; 281 request->retries = 0; 282 request->flags |= ATA_R_ORDERED | ATA_R_DIRECT; 283 ata_queue_request(request); 284 } 285 return 0; 286 } 287 288 /* 289 * XXX TGEN there are a lot of offset -> block number conversions going on 290 * here, which is suboptimal. 291 */ 292 static int 293 ata_raid_strategy(struct dev_strategy_args *ap) 294 { 295 struct ar_softc *rdp = ap->a_head.a_dev->si_drv1; 296 struct bio *bp = ap->a_bio; 297 struct buf *bbp = bp->bio_buf; 298 struct ata_request *request; 299 caddr_t data; 300 u_int64_t blkno, lba, blk = 0; 301 int count, chunk, drv, par = 0, change = 0; 302 303 if (bbp->b_cmd == BUF_CMD_FLUSH) { 304 int error; 305 306 error = ata_raid_flush(rdp, bp); 307 if (error != 0) { 308 bbp->b_flags |= B_ERROR; 309 bbp->b_error = error; 310 biodone(bp); 311 } 312 return(0); 313 } 314 315 if (!(rdp->status & AR_S_READY) || 316 (bbp->b_cmd != BUF_CMD_READ && bbp->b_cmd != BUF_CMD_WRITE)) { 317 bbp->b_flags |= B_ERROR; 318 bbp->b_error = EIO; 319 biodone(bp); 320 return(0); 321 } 322 323 bbp->b_resid = bbp->b_bcount; 324 for (count = howmany(bbp->b_bcount, DEV_BSIZE), 325 /* bio_offset is byte granularity, convert */ 326 blkno = (u_int64_t)(bp->bio_offset >> DEV_BSHIFT), 327 data = bbp->b_data; 328 count > 0; 329 count -= chunk, blkno += chunk, data += (chunk * DEV_BSIZE)) { 330 331 switch (rdp->type) { 332 case AR_T_RAID1: 333 drv = 0; 334 lba = blkno; 335 chunk = count; 336 break; 337 338 case AR_T_JBOD: 339 case AR_T_SPAN: 340 drv = 0; 341 lba = blkno; 342 while (lba >= rdp->disks[drv].sectors) 343 lba -= rdp->disks[drv++].sectors; 344 chunk = min(rdp->disks[drv].sectors - lba, count); 345 break; 346 347 case AR_T_RAID0: 348 case AR_T_RAID01: 349 chunk = blkno % rdp->interleave; 350 drv = (blkno / rdp->interleave) % rdp->width; 351 lba = (((blkno/rdp->interleave)/rdp->width)*rdp->interleave)+chunk; 352 chunk = min(count, rdp->interleave - chunk); 353 break; 354 355 case AR_T_RAID5: 356 drv = (blkno / rdp->interleave) % (rdp->width - 1); 357 par = rdp->width - 1 - 358 (blkno / (rdp->interleave * (rdp->width - 1))) % rdp->width; 359 if (drv >= par) 360 drv++; 361 lba = ((blkno/rdp->interleave)/(rdp->width-1))*(rdp->interleave) + 362 ((blkno%(rdp->interleave*(rdp->width-1)))%rdp->interleave); 363 chunk = min(count, rdp->interleave - (lba % rdp->interleave)); 364 break; 365 366 default: 367 kprintf("ar%d: unknown array type in ata_raid_strategy\n", rdp->lun); 368 bbp->b_flags |= B_ERROR; 369 bbp->b_error = EIO; 370 biodone(bp); 371 return(0); 372 } 373 374 /* offset on all but "first on HPTv2" */ 375 if (!(drv == 0 && rdp->format == AR_F_HPTV2_RAID)) 376 lba += rdp->offset_sectors; 377 378 if (!(request = ata_raid_init_request(rdp, bp))) { 379 bbp->b_flags |= B_ERROR; 380 bbp->b_error = EIO; 381 biodone(bp); 382 return(0); 383 } 384 request->data = data; 385 request->bytecount = chunk * DEV_BSIZE; 386 request->u.ata.lba = lba; 387 request->u.ata.count = request->bytecount / DEV_BSIZE; 388 389 switch (rdp->type) { 390 case AR_T_JBOD: 391 case AR_T_SPAN: 392 case AR_T_RAID0: 393 if (((rdp->disks[drv].flags & (AR_DF_PRESENT|AR_DF_ONLINE)) == 394 (AR_DF_PRESENT|AR_DF_ONLINE) && !rdp->disks[drv].dev)) { 395 rdp->disks[drv].flags &= ~AR_DF_ONLINE; 396 ata_raid_config_changed(rdp, 1); 397 ata_free_request(request); 398 bbp->b_flags |= B_ERROR; 399 bbp->b_error = EIO; 400 biodone(bp); 401 return(0); 402 } 403 request->this = drv; 404 request->dev = rdp->disks[request->this].dev; 405 ata_raid_send_request(request); 406 break; 407 408 case AR_T_RAID1: 409 case AR_T_RAID01: 410 if ((rdp->disks[drv].flags & 411 (AR_DF_PRESENT|AR_DF_ONLINE))==(AR_DF_PRESENT|AR_DF_ONLINE) && 412 !rdp->disks[drv].dev) { 413 rdp->disks[drv].flags &= ~AR_DF_ONLINE; 414 change = 1; 415 } 416 if ((rdp->disks[drv + rdp->width].flags & 417 (AR_DF_PRESENT|AR_DF_ONLINE))==(AR_DF_PRESENT|AR_DF_ONLINE) && 418 !rdp->disks[drv + rdp->width].dev) { 419 rdp->disks[drv + rdp->width].flags &= ~AR_DF_ONLINE; 420 change = 1; 421 } 422 if (change) 423 ata_raid_config_changed(rdp, 1); 424 if (!(rdp->status & AR_S_READY)) { 425 ata_free_request(request); 426 bbp->b_flags |= B_ERROR; 427 bbp->b_error = EIO; 428 biodone(bp); 429 return(0); 430 } 431 432 if (rdp->status & AR_S_REBUILDING) 433 blk = ((lba / rdp->interleave) * rdp->width) * rdp->interleave + 434 (rdp->interleave * (drv % rdp->width)) + 435 lba % rdp->interleave;; 436 437 if (bbp->b_cmd == BUF_CMD_READ) { 438 int src_online = 439 (rdp->disks[drv].flags & AR_DF_ONLINE); 440 int mir_online = 441 (rdp->disks[drv+rdp->width].flags & AR_DF_ONLINE); 442 443 /* if mirror gone or close to last access on source */ 444 if (!mir_online || 445 ((src_online) && 446 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) >= 447 (rdp->disks[drv].last_lba - AR_PROXIMITY) && 448 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) <= 449 (rdp->disks[drv].last_lba + AR_PROXIMITY))) { 450 rdp->toggle = 0; 451 } 452 /* if source gone or close to last access on mirror */ 453 else if (!src_online || 454 ((mir_online) && 455 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) >= 456 (rdp->disks[drv+rdp->width].last_lba-AR_PROXIMITY) && 457 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) <= 458 (rdp->disks[drv+rdp->width].last_lba+AR_PROXIMITY))) { 459 drv += rdp->width; 460 rdp->toggle = 1; 461 } 462 /* not close to any previous access, toggle */ 463 else { 464 if (rdp->toggle) 465 rdp->toggle = 0; 466 else { 467 drv += rdp->width; 468 rdp->toggle = 1; 469 } 470 } 471 472 if ((rdp->status & AR_S_REBUILDING) && 473 (blk <= rdp->rebuild_lba) && 474 ((blk + chunk) > rdp->rebuild_lba)) { 475 struct ata_composite *composite; 476 struct ata_request *rebuild; 477 int this; 478 479 /* figure out what part to rebuild */ 480 if (drv < rdp->width) 481 this = drv + rdp->width; 482 else 483 this = drv - rdp->width; 484 485 /* do we have a spare to rebuild on ? */ 486 if (rdp->disks[this].flags & AR_DF_SPARE) { 487 if ((composite = ata_alloc_composite())) { 488 if ((rebuild = ata_alloc_request())) { 489 rdp->rebuild_lba = blk + chunk; 490 bcopy(request, rebuild, 491 sizeof(struct ata_request)); 492 rebuild->this = this; 493 rebuild->dev = rdp->disks[this].dev; 494 rebuild->flags &= ~ATA_R_READ; 495 rebuild->flags |= ATA_R_WRITE; 496 spin_init(&composite->lock); 497 composite->residual = request->bytecount; 498 composite->rd_needed |= (1 << drv); 499 composite->wr_depend |= (1 << drv); 500 composite->wr_needed |= (1 << this); 501 composite->request[drv] = request; 502 composite->request[this] = rebuild; 503 request->composite = composite; 504 rebuild->composite = composite; 505 ata_raid_send_request(rebuild); 506 } 507 else { 508 ata_free_composite(composite); 509 kprintf("DOH! ata_alloc_request failed!\n"); 510 } 511 } 512 else { 513 kprintf("DOH! ata_alloc_composite failed!\n"); 514 } 515 } 516 else if (rdp->disks[this].flags & AR_DF_ONLINE) { 517 /* 518 * if we got here we are a chunk of a RAID01 that 519 * does not need a rebuild, but we need to increment 520 * the rebuild_lba address to get the rebuild to 521 * move to the next chunk correctly 522 */ 523 rdp->rebuild_lba = blk + chunk; 524 } 525 else 526 kprintf("DOH! we didn't find the rebuild part\n"); 527 } 528 } 529 if (bbp->b_cmd == BUF_CMD_WRITE) { 530 if ((rdp->disks[drv+rdp->width].flags & AR_DF_ONLINE) || 531 ((rdp->status & AR_S_REBUILDING) && 532 (rdp->disks[drv+rdp->width].flags & AR_DF_SPARE) && 533 ((blk < rdp->rebuild_lba) || 534 ((blk <= rdp->rebuild_lba) && 535 ((blk + chunk) > rdp->rebuild_lba))))) { 536 if ((rdp->disks[drv].flags & AR_DF_ONLINE) || 537 ((rdp->status & AR_S_REBUILDING) && 538 (rdp->disks[drv].flags & AR_DF_SPARE) && 539 ((blk < rdp->rebuild_lba) || 540 ((blk <= rdp->rebuild_lba) && 541 ((blk + chunk) > rdp->rebuild_lba))))) { 542 struct ata_request *mirror; 543 struct ata_composite *composite; 544 int this = drv + rdp->width; 545 546 if ((composite = ata_alloc_composite())) { 547 if ((mirror = ata_alloc_request())) { 548 if ((blk <= rdp->rebuild_lba) && 549 ((blk + chunk) > rdp->rebuild_lba)) 550 rdp->rebuild_lba = blk + chunk; 551 bcopy(request, mirror, 552 sizeof(struct ata_request)); 553 mirror->this = this; 554 mirror->dev = rdp->disks[this].dev; 555 spin_init(&composite->lock); 556 composite->residual = request->bytecount; 557 composite->wr_needed |= (1 << drv); 558 composite->wr_needed |= (1 << this); 559 composite->request[drv] = request; 560 composite->request[this] = mirror; 561 request->composite = composite; 562 mirror->composite = composite; 563 ata_raid_send_request(mirror); 564 rdp->disks[this].last_lba = 565 (u_int64_t)(bp->bio_offset >> DEV_BSHIFT) + 566 chunk; 567 } 568 else { 569 ata_free_composite(composite); 570 kprintf("DOH! ata_alloc_request failed!\n"); 571 } 572 } 573 else { 574 kprintf("DOH! ata_alloc_composite failed!\n"); 575 } 576 } 577 else 578 drv += rdp->width; 579 } 580 } 581 request->this = drv; 582 request->dev = rdp->disks[request->this].dev; 583 ata_raid_send_request(request); 584 rdp->disks[request->this].last_lba = 585 ((u_int64_t)(bp->bio_offset) >> DEV_BSHIFT) + chunk; 586 break; 587 588 case AR_T_RAID5: 589 if (((rdp->disks[drv].flags & (AR_DF_PRESENT|AR_DF_ONLINE)) == 590 (AR_DF_PRESENT|AR_DF_ONLINE) && !rdp->disks[drv].dev)) { 591 rdp->disks[drv].flags &= ~AR_DF_ONLINE; 592 change = 1; 593 } 594 if (((rdp->disks[par].flags & (AR_DF_PRESENT|AR_DF_ONLINE)) == 595 (AR_DF_PRESENT|AR_DF_ONLINE) && !rdp->disks[par].dev)) { 596 rdp->disks[par].flags &= ~AR_DF_ONLINE; 597 change = 1; 598 } 599 if (change) 600 ata_raid_config_changed(rdp, 1); 601 if (!(rdp->status & AR_S_READY)) { 602 ata_free_request(request); 603 bbp->b_flags |= B_ERROR; 604 bbp->b_error = EIO; 605 biodone(bp); 606 return(0); 607 } 608 if (rdp->status & AR_S_DEGRADED) { 609 /* do the XOR game if possible */ 610 } 611 else { 612 request->this = drv; 613 request->dev = rdp->disks[request->this].dev; 614 if (bbp->b_cmd == BUF_CMD_READ) { 615 ata_raid_send_request(request); 616 } 617 if (bbp->b_cmd == BUF_CMD_WRITE) { 618 ata_raid_send_request(request); 619 /* XXX TGEN no, I don't speak Danish either */ 620 /* 621 * sikre at l�s-modify-skriv til hver disk er atomarisk. 622 * par kopi af request 623 * l�se orgdata fra drv 624 * skriv nydata til drv 625 * l�se parorgdata fra par 626 * skriv orgdata xor parorgdata xor nydata til par 627 */ 628 } 629 } 630 break; 631 632 default: 633 kprintf("ar%d: unknown array type in ata_raid_strategy\n", rdp->lun); 634 } 635 } 636 637 return(0); 638 } 639 640 static void 641 ata_raid_done(struct ata_request *request) 642 { 643 struct ar_softc *rdp = request->driver; 644 struct ata_composite *composite = NULL; 645 struct bio *bp = request->bio; 646 struct buf *bbp = bp->bio_buf; 647 int i, mirror, finished = 0; 648 649 if (bbp->b_cmd == BUF_CMD_FLUSH) { 650 if (bbp->b_error == 0) 651 bbp->b_error = request->result; 652 ata_free_request(request); 653 bp->bio_driver_info = (void *)((intptr_t)bp->bio_driver_info - 1); 654 if ((intptr_t)bp->bio_driver_info == 0) { 655 if (bbp->b_error) 656 bbp->b_flags |= B_ERROR; 657 biodone(bp); 658 } 659 return; 660 } 661 662 switch (rdp->type) { 663 case AR_T_JBOD: 664 case AR_T_SPAN: 665 case AR_T_RAID0: 666 if (request->result) { 667 rdp->disks[request->this].flags &= ~AR_DF_ONLINE; 668 ata_raid_config_changed(rdp, 1); 669 bbp->b_error = request->result; 670 finished = 1; 671 } 672 else { 673 bbp->b_resid -= request->donecount; 674 if (!bbp->b_resid) 675 finished = 1; 676 } 677 break; 678 679 case AR_T_RAID1: 680 case AR_T_RAID01: 681 if (request->this < rdp->width) 682 mirror = request->this + rdp->width; 683 else 684 mirror = request->this - rdp->width; 685 if (request->result) { 686 rdp->disks[request->this].flags &= ~AR_DF_ONLINE; 687 ata_raid_config_changed(rdp, 1); 688 } 689 if (rdp->status & AR_S_READY) { 690 u_int64_t blk = 0; 691 692 if (rdp->status & AR_S_REBUILDING) 693 blk = ((request->u.ata.lba / rdp->interleave) * rdp->width) * 694 rdp->interleave + (rdp->interleave * 695 (request->this % rdp->width)) + 696 request->u.ata.lba % rdp->interleave; 697 698 if (bbp->b_cmd == BUF_CMD_READ) { 699 700 /* is this a rebuild composite */ 701 if ((composite = request->composite)) { 702 spin_lock_wr(&composite->lock); 703 704 /* handle the read part of a rebuild composite */ 705 if (request->flags & ATA_R_READ) { 706 707 /* if read failed array is now broken */ 708 if (request->result) { 709 rdp->disks[request->this].flags &= ~AR_DF_ONLINE; 710 ata_raid_config_changed(rdp, 1); 711 bbp->b_error = request->result; 712 rdp->rebuild_lba = blk; 713 finished = 1; 714 } 715 716 /* good data, update how far we've gotten */ 717 else { 718 bbp->b_resid -= request->donecount; 719 composite->residual -= request->donecount; 720 if (!composite->residual) { 721 if (composite->wr_done & (1 << mirror)) 722 finished = 1; 723 } 724 } 725 } 726 727 /* handle the write part of a rebuild composite */ 728 else if (request->flags & ATA_R_WRITE) { 729 if (composite->rd_done & (1 << mirror)) { 730 if (request->result) { 731 kprintf("DOH! rebuild failed\n"); /* XXX SOS */ 732 rdp->rebuild_lba = blk; 733 } 734 if (!composite->residual) 735 finished = 1; 736 } 737 } 738 spin_unlock_wr(&composite->lock); 739 } 740 741 /* if read failed retry on the mirror */ 742 else if (request->result) { 743 request->dev = rdp->disks[mirror].dev; 744 request->flags &= ~ATA_R_TIMEOUT; 745 ata_raid_send_request(request); 746 return; 747 } 748 749 /* we have good data */ 750 else { 751 bbp->b_resid -= request->donecount; 752 if (!bbp->b_resid) 753 finished = 1; 754 } 755 } 756 else if (bbp->b_cmd == BUF_CMD_WRITE) { 757 /* do we have a mirror or rebuild to deal with ? */ 758 if ((composite = request->composite)) { 759 spin_lock_wr(&composite->lock); 760 if (composite->wr_done & (1 << mirror)) { 761 if (request->result) { 762 if (composite->request[mirror]->result) { 763 kprintf("DOH! all disks failed and got here\n"); 764 bbp->b_error = EIO; 765 } 766 if (rdp->status & AR_S_REBUILDING) { 767 rdp->rebuild_lba = blk; 768 kprintf("DOH! rebuild failed\n"); /* XXX SOS */ 769 } 770 bbp->b_resid -= 771 composite->request[mirror]->donecount; 772 composite->residual -= 773 composite->request[mirror]->donecount; 774 } 775 else { 776 bbp->b_resid -= request->donecount; 777 composite->residual -= request->donecount; 778 } 779 if (!composite->residual) 780 finished = 1; 781 } 782 spin_unlock_wr(&composite->lock); 783 } 784 /* no mirror we are done */ 785 else { 786 bbp->b_resid -= request->donecount; 787 if (!bbp->b_resid) 788 finished = 1; 789 } 790 } 791 } 792 else { 793 /* XXX TGEN bbp->b_flags |= B_ERROR; */ 794 bbp->b_error = request->result; 795 biodone(bp); 796 } 797 break; 798 799 case AR_T_RAID5: 800 if (request->result) { 801 rdp->disks[request->this].flags &= ~AR_DF_ONLINE; 802 ata_raid_config_changed(rdp, 1); 803 if (rdp->status & AR_S_READY) { 804 if (bbp->b_cmd == BUF_CMD_READ) { 805 /* do the XOR game to recover data */ 806 } 807 if (bbp->b_cmd == BUF_CMD_WRITE) { 808 /* if the parity failed we're OK sortof */ 809 /* otherwise wee need to do the XOR long dance */ 810 } 811 finished = 1; 812 } 813 else { 814 /* XXX TGEN bbp->b_flags |= B_ERROR; */ 815 bbp->b_error = request->result; 816 biodone(bp); 817 } 818 } 819 else { 820 /* did we have an XOR game going ?? */ 821 bbp->b_resid -= request->donecount; 822 if (!bbp->b_resid) 823 finished = 1; 824 } 825 break; 826 827 default: 828 kprintf("ar%d: unknown array type in ata_raid_done\n", rdp->lun); 829 } 830 831 if (finished) { 832 if ((rdp->status & AR_S_REBUILDING) && 833 rdp->rebuild_lba >= rdp->total_sectors) { 834 int disk; 835 836 for (disk = 0; disk < rdp->total_disks; disk++) { 837 if ((rdp->disks[disk].flags & 838 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE)) == 839 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE)) { 840 rdp->disks[disk].flags &= ~AR_DF_SPARE; 841 rdp->disks[disk].flags |= AR_DF_ONLINE; 842 } 843 } 844 rdp->status &= ~AR_S_REBUILDING; 845 ata_raid_config_changed(rdp, 1); 846 } 847 if (!bbp->b_resid) 848 biodone(bp); 849 } 850 851 if (composite) { 852 if (finished) { 853 /* we are done with this composite, free all resources */ 854 for (i = 0; i < 32; i++) { 855 if (composite->rd_needed & (1 << i) || 856 composite->wr_needed & (1 << i)) { 857 ata_free_request(composite->request[i]); 858 } 859 } 860 spin_uninit(&composite->lock); 861 ata_free_composite(composite); 862 } 863 } 864 else 865 ata_free_request(request); 866 } 867 868 static int 869 ata_raid_dump(struct dev_dump_args *ap) 870 { 871 struct ar_softc *rdp = ap->a_head.a_dev->si_drv1; 872 struct buf dbuf; 873 int error = 0; 874 int disk; 875 876 if (ap->a_length == 0) { 877 /* flush subdisk buffers to media */ 878 for (disk = 0, error = 0; disk < rdp->total_disks; disk++) { 879 if (rdp->disks[disk].dev) { 880 error |= ata_controlcmd(rdp->disks[disk].dev, 881 ATA_FLUSHCACHE, 0, 0, 0); 882 } 883 } 884 return (error ? EIO : 0); 885 } 886 887 bzero(&dbuf, sizeof(struct buf)); 888 BUF_LOCKINIT(&dbuf); 889 BUF_LOCK(&dbuf, LK_EXCLUSIVE); 890 initbufbio(&dbuf); 891 /* bio_offset is byte granularity, convert block granularity a_blkno */ 892 dbuf.b_bio1.bio_offset = ap->a_offset; 893 dbuf.b_bio1.bio_caller_info1.ptr = (void *)rdp; 894 dbuf.b_bio1.bio_flags |= BIO_SYNC; 895 dbuf.b_bio1.bio_done = biodone_sync; 896 dbuf.b_bcount = ap->a_length; 897 dbuf.b_data = ap->a_virtual; 898 dbuf.b_cmd = BUF_CMD_WRITE; 899 dev_dstrategy(rdp->cdev, &dbuf.b_bio1); 900 /* wait for completion, unlock the buffer, check status */ 901 if (biowait(&dbuf.b_bio1, "dumpw")) { 902 BUF_UNLOCK(&dbuf); 903 return(dbuf.b_error ? dbuf.b_error : EIO); 904 } 905 BUF_UNLOCK(&dbuf); 906 907 return 0; 908 } 909 910 static void 911 ata_raid_config_changed(struct ar_softc *rdp, int writeback) 912 { 913 int disk, count, status; 914 915 spin_lock_wr(&rdp->lock); 916 /* set default all working mode */ 917 status = rdp->status; 918 rdp->status &= ~AR_S_DEGRADED; 919 rdp->status |= AR_S_READY; 920 921 /* make sure all lost drives are accounted for */ 922 for (disk = 0; disk < rdp->total_disks; disk++) { 923 if (!(rdp->disks[disk].flags & AR_DF_PRESENT)) 924 rdp->disks[disk].flags &= ~AR_DF_ONLINE; 925 } 926 927 /* depending on RAID type figure out our health status */ 928 switch (rdp->type) { 929 case AR_T_JBOD: 930 case AR_T_SPAN: 931 case AR_T_RAID0: 932 for (disk = 0; disk < rdp->total_disks; disk++) 933 if (!(rdp->disks[disk].flags & AR_DF_ONLINE)) 934 rdp->status &= ~AR_S_READY; 935 break; 936 937 case AR_T_RAID1: 938 case AR_T_RAID01: 939 for (disk = 0; disk < rdp->width; disk++) { 940 if (!(rdp->disks[disk].flags & AR_DF_ONLINE) && 941 !(rdp->disks[disk + rdp->width].flags & AR_DF_ONLINE)) { 942 rdp->status &= ~AR_S_READY; 943 } 944 else if (((rdp->disks[disk].flags & AR_DF_ONLINE) && 945 !(rdp->disks[disk + rdp->width].flags & AR_DF_ONLINE)) || 946 (!(rdp->disks[disk].flags & AR_DF_ONLINE) && 947 (rdp->disks [disk + rdp->width].flags & AR_DF_ONLINE))) { 948 rdp->status |= AR_S_DEGRADED; 949 } 950 } 951 break; 952 953 case AR_T_RAID5: 954 for (count = 0, disk = 0; disk < rdp->total_disks; disk++) { 955 if (!(rdp->disks[disk].flags & AR_DF_ONLINE)) 956 count++; 957 } 958 if (count) { 959 if (count > 1) 960 rdp->status &= ~AR_S_READY; 961 else 962 rdp->status |= AR_S_DEGRADED; 963 } 964 break; 965 default: 966 rdp->status &= ~AR_S_READY; 967 } 968 969 /* 970 * Note that when the array breaks so comes up broken we 971 * force a write of the array config to the remaining 972 * drives so that the generation will be incremented past 973 * those of the missing or failed drives (in all cases). 974 */ 975 if (rdp->status != status) { 976 if (!(rdp->status & AR_S_READY)) { 977 kprintf("ar%d: FAILURE - %s array broken\n", 978 rdp->lun, ata_raid_type(rdp)); 979 writeback = 1; 980 } 981 else if (rdp->status & AR_S_DEGRADED) { 982 if (rdp->type & (AR_T_RAID1 | AR_T_RAID01)) 983 kprintf("ar%d: WARNING - mirror", rdp->lun); 984 else 985 kprintf("ar%d: WARNING - parity", rdp->lun); 986 kprintf(" protection lost. %s array in DEGRADED mode\n", 987 ata_raid_type(rdp)); 988 writeback = 1; 989 } 990 } 991 spin_unlock_wr(&rdp->lock); 992 if (writeback) 993 ata_raid_write_metadata(rdp); 994 995 } 996 997 static int 998 ata_raid_status(struct ata_ioc_raid_config *config) 999 { 1000 struct ar_softc *rdp; 1001 int i; 1002 1003 if (!(rdp = ata_raid_arrays[config->lun])) 1004 return ENXIO; 1005 1006 config->type = rdp->type; 1007 config->total_disks = rdp->total_disks; 1008 for (i = 0; i < rdp->total_disks; i++ ) { 1009 if ((rdp->disks[i].flags & AR_DF_PRESENT) && rdp->disks[i].dev) 1010 config->disks[i] = device_get_unit(rdp->disks[i].dev); 1011 else 1012 config->disks[i] = -1; 1013 } 1014 config->interleave = rdp->interleave; 1015 config->status = rdp->status; 1016 config->progress = 100 * rdp->rebuild_lba / rdp->total_sectors; 1017 return 0; 1018 } 1019 1020 static int 1021 ata_raid_create(struct ata_ioc_raid_config *config) 1022 { 1023 struct ar_softc *rdp; 1024 device_t subdisk; 1025 int array, disk; 1026 int ctlr = 0, disk_size = 0, total_disks = 0; 1027 1028 for (array = 0; array < MAX_ARRAYS; array++) { 1029 if (!ata_raid_arrays[array]) 1030 break; 1031 } 1032 if (array >= MAX_ARRAYS) 1033 return ENOSPC; 1034 1035 rdp = (struct ar_softc*)kmalloc(sizeof(struct ar_softc), M_AR, 1036 M_WAITOK | M_ZERO); 1037 1038 for (disk = 0; disk < config->total_disks; disk++) { 1039 if ((subdisk = devclass_get_device(ata_raid_sub_devclass, 1040 config->disks[disk]))) { 1041 struct ata_raid_subdisk *ars = device_get_softc(subdisk); 1042 1043 /* is device already assigned to another array ? */ 1044 if (ars->raid[rdp->volume]) { 1045 config->disks[disk] = -1; 1046 kfree(rdp, M_AR); 1047 return EBUSY; 1048 } 1049 rdp->disks[disk].dev = device_get_parent(subdisk); 1050 1051 switch (pci_get_vendor(GRANDPARENT(rdp->disks[disk].dev))) { 1052 case ATA_HIGHPOINT_ID: 1053 /* 1054 * we need some way to decide if it should be v2 or v3 1055 * for now just use v2 since the v3 BIOS knows how to 1056 * handle that as well. 1057 */ 1058 ctlr = AR_F_HPTV2_RAID; 1059 rdp->disks[disk].sectors = HPTV3_LBA(rdp->disks[disk].dev); 1060 break; 1061 1062 case ATA_INTEL_ID: 1063 ctlr = AR_F_INTEL_RAID; 1064 rdp->disks[disk].sectors = INTEL_LBA(rdp->disks[disk].dev); 1065 break; 1066 1067 case ATA_ITE_ID: 1068 ctlr = AR_F_ITE_RAID; 1069 rdp->disks[disk].sectors = ITE_LBA(rdp->disks[disk].dev); 1070 break; 1071 1072 case ATA_JMICRON_ID: 1073 ctlr = AR_F_JMICRON_RAID; 1074 rdp->disks[disk].sectors = JMICRON_LBA(rdp->disks[disk].dev); 1075 break; 1076 1077 case 0: /* XXX SOS cover up for bug in our PCI code */ 1078 case ATA_PROMISE_ID: 1079 ctlr = AR_F_PROMISE_RAID; 1080 rdp->disks[disk].sectors = PROMISE_LBA(rdp->disks[disk].dev); 1081 break; 1082 1083 case ATA_SIS_ID: 1084 ctlr = AR_F_SIS_RAID; 1085 rdp->disks[disk].sectors = SIS_LBA(rdp->disks[disk].dev); 1086 break; 1087 1088 case ATA_ATI_ID: 1089 case ATA_VIA_ID: 1090 ctlr = AR_F_VIA_RAID; 1091 rdp->disks[disk].sectors = VIA_LBA(rdp->disks[disk].dev); 1092 break; 1093 1094 default: 1095 /* XXX SOS 1096 * right, so here we are, we have an ATA chip and we want 1097 * to create a RAID and store the metadata. 1098 * we need to find a way to tell what kind of metadata this 1099 * hardware's BIOS might be using (good ideas are welcomed) 1100 * for now we just use our own native FreeBSD format. 1101 * the only way to get support for the BIOS format is to 1102 * setup the RAID from there, in that case we pickup the 1103 * metadata format from the disks (if we support it). 1104 */ 1105 kprintf("WARNING!! - not able to determine metadata format\n" 1106 "WARNING!! - Using FreeBSD PseudoRAID metadata\n" 1107 "If that is not what you want, use the BIOS to " 1108 "create the array\n"); 1109 ctlr = AR_F_FREEBSD_RAID; 1110 rdp->disks[disk].sectors = PROMISE_LBA(rdp->disks[disk].dev); 1111 break; 1112 } 1113 1114 /* we need all disks to be of the same format */ 1115 if ((rdp->format & AR_F_FORMAT_MASK) && 1116 (rdp->format & AR_F_FORMAT_MASK) != (ctlr & AR_F_FORMAT_MASK)) { 1117 kfree(rdp, M_AR); 1118 return EXDEV; 1119 } 1120 else 1121 rdp->format = ctlr; 1122 1123 /* use the smallest disk of the lots size */ 1124 /* gigabyte boundry ??? XXX SOS */ 1125 if (disk_size) 1126 disk_size = min(rdp->disks[disk].sectors, disk_size); 1127 else 1128 disk_size = rdp->disks[disk].sectors; 1129 rdp->disks[disk].flags = 1130 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 1131 1132 total_disks++; 1133 } 1134 else { 1135 config->disks[disk] = -1; 1136 kfree(rdp, M_AR); 1137 return ENXIO; 1138 } 1139 } 1140 1141 if (total_disks != config->total_disks) { 1142 kfree(rdp, M_AR); 1143 return ENODEV; 1144 } 1145 1146 switch (config->type) { 1147 case AR_T_JBOD: 1148 case AR_T_SPAN: 1149 case AR_T_RAID0: 1150 break; 1151 1152 case AR_T_RAID1: 1153 if (total_disks != 2) { 1154 kfree(rdp, M_AR); 1155 return EPERM; 1156 } 1157 break; 1158 1159 case AR_T_RAID01: 1160 if (total_disks % 2 != 0) { 1161 kfree(rdp, M_AR); 1162 return EPERM; 1163 } 1164 break; 1165 1166 case AR_T_RAID5: 1167 if (total_disks < 3) { 1168 kfree(rdp, M_AR); 1169 return EPERM; 1170 } 1171 break; 1172 1173 default: 1174 kfree(rdp, M_AR); 1175 return EOPNOTSUPP; 1176 } 1177 rdp->type = config->type; 1178 rdp->lun = array; 1179 if (rdp->type == AR_T_RAID0 || rdp->type == AR_T_RAID01 || 1180 rdp->type == AR_T_RAID5) { 1181 int bit = 0; 1182 1183 while (config->interleave >>= 1) 1184 bit++; 1185 rdp->interleave = 1 << bit; 1186 } 1187 rdp->offset_sectors = 0; 1188 1189 /* values that depend on metadata format */ 1190 switch (rdp->format) { 1191 case AR_F_ADAPTEC_RAID: 1192 rdp->interleave = min(max(32, rdp->interleave), 128); /*+*/ 1193 break; 1194 1195 case AR_F_HPTV2_RAID: 1196 rdp->interleave = min(max(8, rdp->interleave), 128); /*+*/ 1197 rdp->offset_sectors = HPTV2_LBA(x) + 1; 1198 break; 1199 1200 case AR_F_HPTV3_RAID: 1201 rdp->interleave = min(max(32, rdp->interleave), 4096); /*+*/ 1202 break; 1203 1204 case AR_F_INTEL_RAID: 1205 rdp->interleave = min(max(8, rdp->interleave), 256); /*+*/ 1206 break; 1207 1208 case AR_F_ITE_RAID: 1209 rdp->interleave = min(max(2, rdp->interleave), 128); /*+*/ 1210 break; 1211 1212 case AR_F_JMICRON_RAID: 1213 rdp->interleave = min(max(8, rdp->interleave), 256); /*+*/ 1214 break; 1215 1216 case AR_F_LSIV2_RAID: 1217 rdp->interleave = min(max(2, rdp->interleave), 4096); 1218 break; 1219 1220 case AR_F_LSIV3_RAID: 1221 rdp->interleave = min(max(2, rdp->interleave), 256); 1222 break; 1223 1224 case AR_F_PROMISE_RAID: 1225 rdp->interleave = min(max(2, rdp->interleave), 2048); /*+*/ 1226 break; 1227 1228 case AR_F_SII_RAID: 1229 rdp->interleave = min(max(8, rdp->interleave), 256); /*+*/ 1230 break; 1231 1232 case AR_F_SIS_RAID: 1233 rdp->interleave = min(max(32, rdp->interleave), 512); /*+*/ 1234 break; 1235 1236 case AR_F_VIA_RAID: 1237 rdp->interleave = min(max(8, rdp->interleave), 128); /*+*/ 1238 break; 1239 } 1240 1241 rdp->total_disks = total_disks; 1242 rdp->width = total_disks / (rdp->type & (AR_RAID1 | AR_T_RAID01) ? 2 : 1); 1243 rdp->total_sectors = disk_size * (rdp->width - (rdp->type == AR_RAID5)); 1244 rdp->heads = 255; 1245 rdp->sectors = 63; 1246 rdp->cylinders = rdp->total_sectors / (255 * 63); 1247 rdp->rebuild_lba = 0; 1248 rdp->status |= AR_S_READY; 1249 1250 /* we are committed to this array, grap the subdisks */ 1251 for (disk = 0; disk < config->total_disks; disk++) { 1252 if ((subdisk = devclass_get_device(ata_raid_sub_devclass, 1253 config->disks[disk]))) { 1254 struct ata_raid_subdisk *ars = device_get_softc(subdisk); 1255 1256 ars->raid[rdp->volume] = rdp; 1257 ars->disk_number[rdp->volume] = disk; 1258 } 1259 } 1260 ata_raid_attach(rdp, 1); 1261 ata_raid_arrays[array] = rdp; 1262 config->lun = array; 1263 return 0; 1264 } 1265 1266 static int 1267 ata_raid_delete(int array) 1268 { 1269 struct ar_softc *rdp; 1270 device_t subdisk; 1271 int disk; 1272 1273 if (!(rdp = ata_raid_arrays[array])) 1274 return ENXIO; 1275 1276 rdp->status &= ~AR_S_READY; 1277 disk_destroy(&rdp->disk); 1278 1279 for (disk = 0; disk < rdp->total_disks; disk++) { 1280 if ((rdp->disks[disk].flags & AR_DF_PRESENT) && rdp->disks[disk].dev) { 1281 if ((subdisk = devclass_get_device(ata_raid_sub_devclass, 1282 device_get_unit(rdp->disks[disk].dev)))) { 1283 struct ata_raid_subdisk *ars = device_get_softc(subdisk); 1284 1285 if (ars->raid[rdp->volume] != rdp) /* XXX SOS */ 1286 device_printf(subdisk, "DOH! this disk doesn't belong\n"); 1287 if (ars->disk_number[rdp->volume] != disk) /* XXX SOS */ 1288 device_printf(subdisk, "DOH! this disk number is wrong\n"); 1289 ars->raid[rdp->volume] = NULL; 1290 ars->disk_number[rdp->volume] = -1; 1291 } 1292 rdp->disks[disk].flags = 0; 1293 } 1294 } 1295 ata_raid_wipe_metadata(rdp); 1296 ata_raid_arrays[array] = NULL; 1297 kfree(rdp, M_AR); 1298 return 0; 1299 } 1300 1301 static int 1302 ata_raid_addspare(struct ata_ioc_raid_config *config) 1303 { 1304 struct ar_softc *rdp; 1305 device_t subdisk; 1306 int disk; 1307 1308 if (!(rdp = ata_raid_arrays[config->lun])) 1309 return ENXIO; 1310 if (!(rdp->status & AR_S_DEGRADED) || !(rdp->status & AR_S_READY)) 1311 return ENXIO; 1312 if (rdp->status & AR_S_REBUILDING) 1313 return EBUSY; 1314 switch (rdp->type) { 1315 case AR_T_RAID1: 1316 case AR_T_RAID01: 1317 case AR_T_RAID5: 1318 for (disk = 0; disk < rdp->total_disks; disk++ ) { 1319 1320 if (((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) == 1321 (AR_DF_PRESENT | AR_DF_ONLINE)) && rdp->disks[disk].dev) 1322 continue; 1323 1324 if ((subdisk = devclass_get_device(ata_raid_sub_devclass, 1325 config->disks[0] ))) { 1326 struct ata_raid_subdisk *ars = device_get_softc(subdisk); 1327 1328 if (ars->raid[rdp->volume]) 1329 return EBUSY; 1330 1331 /* XXX SOS validate size etc etc */ 1332 ars->raid[rdp->volume] = rdp; 1333 ars->disk_number[rdp->volume] = disk; 1334 rdp->disks[disk].dev = device_get_parent(subdisk); 1335 rdp->disks[disk].flags = 1336 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE); 1337 1338 device_printf(rdp->disks[disk].dev, 1339 "inserted into ar%d disk%d as spare\n", 1340 rdp->lun, disk); 1341 ata_raid_config_changed(rdp, 1); 1342 return 0; 1343 } 1344 } 1345 return ENXIO; 1346 1347 default: 1348 return EPERM; 1349 } 1350 } 1351 1352 static int 1353 ata_raid_rebuild(int array) 1354 { 1355 struct ar_softc *rdp; 1356 int disk, count; 1357 1358 if (!(rdp = ata_raid_arrays[array])) 1359 return ENXIO; 1360 /* XXX SOS we should lock the rdp softc here */ 1361 if (!(rdp->status & AR_S_DEGRADED) || !(rdp->status & AR_S_READY)) 1362 return ENXIO; 1363 if (rdp->status & AR_S_REBUILDING) 1364 return EBUSY; 1365 1366 switch (rdp->type) { 1367 case AR_T_RAID1: 1368 case AR_T_RAID01: 1369 case AR_T_RAID5: 1370 for (count = 0, disk = 0; disk < rdp->total_disks; disk++ ) { 1371 if (((rdp->disks[disk].flags & 1372 (AR_DF_PRESENT|AR_DF_ASSIGNED|AR_DF_ONLINE|AR_DF_SPARE)) == 1373 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE)) && 1374 rdp->disks[disk].dev) { 1375 count++; 1376 } 1377 } 1378 1379 if (count) { 1380 rdp->rebuild_lba = 0; 1381 rdp->status |= AR_S_REBUILDING; 1382 return 0; 1383 } 1384 return EIO; 1385 1386 default: 1387 return EPERM; 1388 } 1389 } 1390 1391 static int 1392 ata_raid_read_metadata(device_t subdisk) 1393 { 1394 devclass_t pci_devclass = devclass_find("pci"); 1395 devclass_t devclass=device_get_devclass(GRANDPARENT(GRANDPARENT(subdisk))); 1396 1397 /* prioritize vendor native metadata layout if possible */ 1398 if (devclass == pci_devclass) { 1399 switch (pci_get_vendor(GRANDPARENT(device_get_parent(subdisk)))) { 1400 case ATA_HIGHPOINT_ID: 1401 if (ata_raid_hptv3_read_meta(subdisk, ata_raid_arrays)) 1402 return 0; 1403 if (ata_raid_hptv2_read_meta(subdisk, ata_raid_arrays)) 1404 return 0; 1405 break; 1406 1407 case ATA_INTEL_ID: 1408 if (ata_raid_intel_read_meta(subdisk, ata_raid_arrays)) 1409 return 0; 1410 break; 1411 1412 case ATA_ITE_ID: 1413 if (ata_raid_ite_read_meta(subdisk, ata_raid_arrays)) 1414 return 0; 1415 break; 1416 1417 case ATA_JMICRON_ID: 1418 if (ata_raid_jmicron_read_meta(subdisk, ata_raid_arrays)) 1419 return 0; 1420 break; 1421 1422 case ATA_NVIDIA_ID: 1423 if (ata_raid_nvidia_read_meta(subdisk, ata_raid_arrays)) 1424 return 0; 1425 break; 1426 1427 case 0: /* XXX SOS cover up for bug in our PCI code */ 1428 case ATA_PROMISE_ID: 1429 if (ata_raid_promise_read_meta(subdisk, ata_raid_arrays, 0)) 1430 return 0; 1431 break; 1432 1433 case ATA_ATI_ID: 1434 case ATA_SILICON_IMAGE_ID: 1435 if (ata_raid_sii_read_meta(subdisk, ata_raid_arrays)) 1436 return 0; 1437 break; 1438 1439 case ATA_SIS_ID: 1440 if (ata_raid_sis_read_meta(subdisk, ata_raid_arrays)) 1441 return 0; 1442 break; 1443 1444 case ATA_VIA_ID: 1445 if (ata_raid_via_read_meta(subdisk, ata_raid_arrays)) 1446 return 0; 1447 break; 1448 } 1449 } 1450 1451 /* handle controllers that have multiple layout possibilities */ 1452 /* NOTE: the order of these are not insignificant */ 1453 1454 /* Adaptec HostRAID */ 1455 if (ata_raid_adaptec_read_meta(subdisk, ata_raid_arrays)) 1456 return 0; 1457 1458 /* LSILogic v3 and v2 */ 1459 if (ata_raid_lsiv3_read_meta(subdisk, ata_raid_arrays)) 1460 return 0; 1461 if (ata_raid_lsiv2_read_meta(subdisk, ata_raid_arrays)) 1462 return 0; 1463 1464 /* if none of the above matched, try FreeBSD native format */ 1465 return ata_raid_promise_read_meta(subdisk, ata_raid_arrays, 1); 1466 } 1467 1468 static int 1469 ata_raid_write_metadata(struct ar_softc *rdp) 1470 { 1471 switch (rdp->format) { 1472 case AR_F_FREEBSD_RAID: 1473 case AR_F_PROMISE_RAID: 1474 return ata_raid_promise_write_meta(rdp); 1475 1476 case AR_F_HPTV3_RAID: 1477 case AR_F_HPTV2_RAID: 1478 /* 1479 * always write HPT v2 metadata, the v3 BIOS knows it as well. 1480 * this is handy since we cannot know what version BIOS is on there 1481 */ 1482 return ata_raid_hptv2_write_meta(rdp); 1483 1484 case AR_F_INTEL_RAID: 1485 return ata_raid_intel_write_meta(rdp); 1486 1487 case AR_F_JMICRON_RAID: 1488 return ata_raid_jmicron_write_meta(rdp); 1489 1490 case AR_F_SIS_RAID: 1491 return ata_raid_sis_write_meta(rdp); 1492 1493 case AR_F_VIA_RAID: 1494 return ata_raid_via_write_meta(rdp); 1495 #if 0 1496 case AR_F_HPTV3_RAID: 1497 return ata_raid_hptv3_write_meta(rdp); 1498 1499 case AR_F_ADAPTEC_RAID: 1500 return ata_raid_adaptec_write_meta(rdp); 1501 1502 case AR_F_ITE_RAID: 1503 return ata_raid_ite_write_meta(rdp); 1504 1505 case AR_F_LSIV2_RAID: 1506 return ata_raid_lsiv2_write_meta(rdp); 1507 1508 case AR_F_LSIV3_RAID: 1509 return ata_raid_lsiv3_write_meta(rdp); 1510 1511 case AR_F_NVIDIA_RAID: 1512 return ata_raid_nvidia_write_meta(rdp); 1513 1514 case AR_F_SII_RAID: 1515 return ata_raid_sii_write_meta(rdp); 1516 1517 #endif 1518 default: 1519 kprintf("ar%d: writing of %s metadata is NOT supported yet\n", 1520 rdp->lun, ata_raid_format(rdp)); 1521 } 1522 return -1; 1523 } 1524 1525 static int 1526 ata_raid_wipe_metadata(struct ar_softc *rdp) 1527 { 1528 int disk, error = 0; 1529 u_int64_t lba; 1530 u_int32_t size; 1531 u_int8_t *meta; 1532 1533 for (disk = 0; disk < rdp->total_disks; disk++) { 1534 if (rdp->disks[disk].dev) { 1535 switch (rdp->format) { 1536 case AR_F_ADAPTEC_RAID: 1537 lba = ADP_LBA(rdp->disks[disk].dev); 1538 size = sizeof(struct adaptec_raid_conf); 1539 break; 1540 1541 case AR_F_HPTV2_RAID: 1542 lba = HPTV2_LBA(rdp->disks[disk].dev); 1543 size = sizeof(struct hptv2_raid_conf); 1544 break; 1545 1546 case AR_F_HPTV3_RAID: 1547 lba = HPTV3_LBA(rdp->disks[disk].dev); 1548 size = sizeof(struct hptv3_raid_conf); 1549 break; 1550 1551 case AR_F_INTEL_RAID: 1552 lba = INTEL_LBA(rdp->disks[disk].dev); 1553 size = 3 * 512; /* XXX SOS */ 1554 break; 1555 1556 case AR_F_ITE_RAID: 1557 lba = ITE_LBA(rdp->disks[disk].dev); 1558 size = sizeof(struct ite_raid_conf); 1559 break; 1560 1561 case AR_F_JMICRON_RAID: 1562 lba = JMICRON_LBA(rdp->disks[disk].dev); 1563 size = sizeof(struct jmicron_raid_conf); 1564 break; 1565 1566 case AR_F_LSIV2_RAID: 1567 lba = LSIV2_LBA(rdp->disks[disk].dev); 1568 size = sizeof(struct lsiv2_raid_conf); 1569 break; 1570 1571 case AR_F_LSIV3_RAID: 1572 lba = LSIV3_LBA(rdp->disks[disk].dev); 1573 size = sizeof(struct lsiv3_raid_conf); 1574 break; 1575 1576 case AR_F_NVIDIA_RAID: 1577 lba = NVIDIA_LBA(rdp->disks[disk].dev); 1578 size = sizeof(struct nvidia_raid_conf); 1579 break; 1580 1581 case AR_F_FREEBSD_RAID: 1582 case AR_F_PROMISE_RAID: 1583 lba = PROMISE_LBA(rdp->disks[disk].dev); 1584 size = sizeof(struct promise_raid_conf); 1585 break; 1586 1587 case AR_F_SII_RAID: 1588 lba = SII_LBA(rdp->disks[disk].dev); 1589 size = sizeof(struct sii_raid_conf); 1590 break; 1591 1592 case AR_F_SIS_RAID: 1593 lba = SIS_LBA(rdp->disks[disk].dev); 1594 size = sizeof(struct sis_raid_conf); 1595 break; 1596 1597 case AR_F_VIA_RAID: 1598 lba = VIA_LBA(rdp->disks[disk].dev); 1599 size = sizeof(struct via_raid_conf); 1600 break; 1601 1602 default: 1603 kprintf("ar%d: wiping of %s metadata is NOT supported yet\n", 1604 rdp->lun, ata_raid_format(rdp)); 1605 return ENXIO; 1606 } 1607 meta = kmalloc(size, M_AR, M_WAITOK | M_ZERO); 1608 if (ata_raid_rw(rdp->disks[disk].dev, lba, meta, size, 1609 ATA_R_WRITE | ATA_R_DIRECT)) { 1610 device_printf(rdp->disks[disk].dev, "wipe metadata failed\n"); 1611 error = EIO; 1612 } 1613 kfree(meta, M_AR); 1614 } 1615 } 1616 return error; 1617 } 1618 1619 /* Adaptec HostRAID Metadata */ 1620 static int 1621 ata_raid_adaptec_read_meta(device_t dev, struct ar_softc **raidp) 1622 { 1623 struct ata_raid_subdisk *ars = device_get_softc(dev); 1624 device_t parent = device_get_parent(dev); 1625 struct adaptec_raid_conf *meta; 1626 struct ar_softc *raid; 1627 int array, disk, retval = 0; 1628 1629 meta = (struct adaptec_raid_conf *) 1630 kmalloc(sizeof(struct adaptec_raid_conf), M_AR, M_WAITOK | M_ZERO); 1631 1632 if (ata_raid_rw(parent, ADP_LBA(parent), 1633 meta, sizeof(struct adaptec_raid_conf), ATA_R_READ)) { 1634 if (testing || bootverbose) 1635 device_printf(parent, "Adaptec read metadata failed\n"); 1636 goto adaptec_out; 1637 } 1638 1639 /* check if this is a Adaptec RAID struct */ 1640 if (meta->magic_0 != ADP_MAGIC_0 || meta->magic_3 != ADP_MAGIC_3) { 1641 if (testing || bootverbose) 1642 device_printf(parent, "Adaptec check1 failed\n"); 1643 goto adaptec_out; 1644 } 1645 1646 if (testing || bootverbose) 1647 ata_raid_adaptec_print_meta(meta); 1648 1649 /* now convert Adaptec metadata into our generic form */ 1650 for (array = 0; array < MAX_ARRAYS; array++) { 1651 if (!raidp[array]) { 1652 raidp[array] = 1653 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 1654 M_WAITOK | M_ZERO); 1655 } 1656 raid = raidp[array]; 1657 if (raid->format && (raid->format != AR_F_ADAPTEC_RAID)) 1658 continue; 1659 1660 if (raid->magic_0 && raid->magic_0 != meta->configs[0].magic_0) 1661 continue; 1662 1663 if (!meta->generation || be32toh(meta->generation) > raid->generation) { 1664 switch (meta->configs[0].type) { 1665 case ADP_T_RAID0: 1666 raid->magic_0 = meta->configs[0].magic_0; 1667 raid->type = AR_T_RAID0; 1668 raid->interleave = 1 << (meta->configs[0].stripe_shift >> 1); 1669 raid->width = be16toh(meta->configs[0].total_disks); 1670 break; 1671 1672 case ADP_T_RAID1: 1673 raid->magic_0 = meta->configs[0].magic_0; 1674 raid->type = AR_T_RAID1; 1675 raid->width = be16toh(meta->configs[0].total_disks) / 2; 1676 break; 1677 1678 default: 1679 device_printf(parent, "Adaptec unknown RAID type 0x%02x\n", 1680 meta->configs[0].type); 1681 kfree(raidp[array], M_AR); 1682 raidp[array] = NULL; 1683 goto adaptec_out; 1684 } 1685 1686 raid->format = AR_F_ADAPTEC_RAID; 1687 raid->generation = be32toh(meta->generation); 1688 raid->total_disks = be16toh(meta->configs[0].total_disks); 1689 raid->total_sectors = be32toh(meta->configs[0].sectors); 1690 raid->heads = 255; 1691 raid->sectors = 63; 1692 raid->cylinders = raid->total_sectors / (63 * 255); 1693 raid->offset_sectors = 0; 1694 raid->rebuild_lba = 0; 1695 raid->lun = array; 1696 strncpy(raid->name, meta->configs[0].name, 1697 min(sizeof(raid->name), sizeof(meta->configs[0].name))); 1698 1699 /* clear out any old info */ 1700 if (raid->generation) { 1701 for (disk = 0; disk < raid->total_disks; disk++) { 1702 raid->disks[disk].dev = NULL; 1703 raid->disks[disk].flags = 0; 1704 } 1705 } 1706 } 1707 if (be32toh(meta->generation) >= raid->generation) { 1708 struct ata_device *atadev = device_get_softc(parent); 1709 struct ata_channel *ch = device_get_softc(GRANDPARENT(dev)); 1710 int disk_number = (ch->unit << !(ch->flags & ATA_NO_SLAVE)) + 1711 ATA_DEV(atadev->unit); 1712 1713 raid->disks[disk_number].dev = parent; 1714 raid->disks[disk_number].sectors = 1715 be32toh(meta->configs[disk_number + 1].sectors); 1716 raid->disks[disk_number].flags = 1717 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 1718 ars->raid[raid->volume] = raid; 1719 ars->disk_number[raid->volume] = disk_number; 1720 retval = 1; 1721 } 1722 break; 1723 } 1724 1725 adaptec_out: 1726 kfree(meta, M_AR); 1727 return retval; 1728 } 1729 1730 /* Highpoint V2 RocketRAID Metadata */ 1731 static int 1732 ata_raid_hptv2_read_meta(device_t dev, struct ar_softc **raidp) 1733 { 1734 struct ata_raid_subdisk *ars = device_get_softc(dev); 1735 device_t parent = device_get_parent(dev); 1736 struct hptv2_raid_conf *meta; 1737 struct ar_softc *raid = NULL; 1738 int array, disk_number = 0, retval = 0; 1739 1740 meta = (struct hptv2_raid_conf *)kmalloc(sizeof(struct hptv2_raid_conf), 1741 M_AR, M_WAITOK | M_ZERO); 1742 1743 if (ata_raid_rw(parent, HPTV2_LBA(parent), 1744 meta, sizeof(struct hptv2_raid_conf), ATA_R_READ)) { 1745 if (testing || bootverbose) 1746 device_printf(parent, "HighPoint (v2) read metadata failed\n"); 1747 goto hptv2_out; 1748 } 1749 1750 /* check if this is a HighPoint v2 RAID struct */ 1751 if (meta->magic != HPTV2_MAGIC_OK && meta->magic != HPTV2_MAGIC_BAD) { 1752 if (testing || bootverbose) 1753 device_printf(parent, "HighPoint (v2) check1 failed\n"); 1754 goto hptv2_out; 1755 } 1756 1757 /* is this disk defined, or an old leftover/spare ? */ 1758 if (!meta->magic_0) { 1759 if (testing || bootverbose) 1760 device_printf(parent, "HighPoint (v2) check2 failed\n"); 1761 goto hptv2_out; 1762 } 1763 1764 if (testing || bootverbose) 1765 ata_raid_hptv2_print_meta(meta); 1766 1767 /* now convert HighPoint (v2) metadata into our generic form */ 1768 for (array = 0; array < MAX_ARRAYS; array++) { 1769 if (!raidp[array]) { 1770 raidp[array] = 1771 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 1772 M_WAITOK | M_ZERO); 1773 } 1774 raid = raidp[array]; 1775 if (raid->format && (raid->format != AR_F_HPTV2_RAID)) 1776 continue; 1777 1778 switch (meta->type) { 1779 case HPTV2_T_RAID0: 1780 if ((meta->order & (HPTV2_O_RAID0|HPTV2_O_OK)) == 1781 (HPTV2_O_RAID0|HPTV2_O_OK)) 1782 goto highpoint_raid1; 1783 if (meta->order & (HPTV2_O_RAID0 | HPTV2_O_RAID1)) 1784 goto highpoint_raid01; 1785 if (raid->magic_0 && raid->magic_0 != meta->magic_0) 1786 continue; 1787 raid->magic_0 = meta->magic_0; 1788 raid->type = AR_T_RAID0; 1789 raid->interleave = 1 << meta->stripe_shift; 1790 disk_number = meta->disk_number; 1791 if (!(meta->order & HPTV2_O_OK)) 1792 meta->magic = 0; /* mark bad */ 1793 break; 1794 1795 case HPTV2_T_RAID1: 1796 highpoint_raid1: 1797 if (raid->magic_0 && raid->magic_0 != meta->magic_0) 1798 continue; 1799 raid->magic_0 = meta->magic_0; 1800 raid->type = AR_T_RAID1; 1801 disk_number = (meta->disk_number > 0); 1802 break; 1803 1804 case HPTV2_T_RAID01_RAID0: 1805 highpoint_raid01: 1806 if (meta->order & HPTV2_O_RAID0) { 1807 if ((raid->magic_0 && raid->magic_0 != meta->magic_0) || 1808 (raid->magic_1 && raid->magic_1 != meta->magic_1)) 1809 continue; 1810 raid->magic_0 = meta->magic_0; 1811 raid->magic_1 = meta->magic_1; 1812 raid->type = AR_T_RAID01; 1813 raid->interleave = 1 << meta->stripe_shift; 1814 disk_number = meta->disk_number; 1815 } 1816 else { 1817 if (raid->magic_1 && raid->magic_1 != meta->magic_1) 1818 continue; 1819 raid->magic_1 = meta->magic_1; 1820 raid->type = AR_T_RAID01; 1821 raid->interleave = 1 << meta->stripe_shift; 1822 disk_number = meta->disk_number + meta->array_width; 1823 if (!(meta->order & HPTV2_O_RAID1)) 1824 meta->magic = 0; /* mark bad */ 1825 } 1826 break; 1827 1828 case HPTV2_T_SPAN: 1829 if (raid->magic_0 && raid->magic_0 != meta->magic_0) 1830 continue; 1831 raid->magic_0 = meta->magic_0; 1832 raid->type = AR_T_SPAN; 1833 disk_number = meta->disk_number; 1834 break; 1835 1836 default: 1837 device_printf(parent, "Highpoint (v2) unknown RAID type 0x%02x\n", 1838 meta->type); 1839 kfree(raidp[array], M_AR); 1840 raidp[array] = NULL; 1841 goto hptv2_out; 1842 } 1843 1844 raid->format |= AR_F_HPTV2_RAID; 1845 raid->disks[disk_number].dev = parent; 1846 raid->disks[disk_number].flags = (AR_DF_PRESENT | AR_DF_ASSIGNED); 1847 raid->lun = array; 1848 strncpy(raid->name, meta->name_1, 1849 min(sizeof(raid->name), sizeof(meta->name_1))); 1850 if (meta->magic == HPTV2_MAGIC_OK) { 1851 raid->disks[disk_number].flags |= AR_DF_ONLINE; 1852 raid->width = meta->array_width; 1853 raid->total_sectors = meta->total_sectors; 1854 raid->heads = 255; 1855 raid->sectors = 63; 1856 raid->cylinders = raid->total_sectors / (63 * 255); 1857 raid->offset_sectors = HPTV2_LBA(parent) + 1; 1858 raid->rebuild_lba = meta->rebuild_lba; 1859 raid->disks[disk_number].sectors = 1860 raid->total_sectors / raid->width; 1861 } 1862 else 1863 raid->disks[disk_number].flags &= ~AR_DF_ONLINE; 1864 1865 if ((raid->type & AR_T_RAID0) && (raid->total_disks < raid->width)) 1866 raid->total_disks = raid->width; 1867 if (disk_number >= raid->total_disks) 1868 raid->total_disks = disk_number + 1; 1869 ars->raid[raid->volume] = raid; 1870 ars->disk_number[raid->volume] = disk_number; 1871 retval = 1; 1872 break; 1873 } 1874 1875 hptv2_out: 1876 kfree(meta, M_AR); 1877 return retval; 1878 } 1879 1880 static int 1881 ata_raid_hptv2_write_meta(struct ar_softc *rdp) 1882 { 1883 struct hptv2_raid_conf *meta; 1884 struct timeval timestamp; 1885 int disk, error = 0; 1886 1887 meta = (struct hptv2_raid_conf *)kmalloc(sizeof(struct hptv2_raid_conf), 1888 M_AR, M_WAITOK | M_ZERO); 1889 1890 microtime(×tamp); 1891 rdp->magic_0 = timestamp.tv_sec + 2; 1892 rdp->magic_1 = timestamp.tv_sec; 1893 1894 for (disk = 0; disk < rdp->total_disks; disk++) { 1895 if ((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) == 1896 (AR_DF_PRESENT | AR_DF_ONLINE)) 1897 meta->magic = HPTV2_MAGIC_OK; 1898 if (rdp->disks[disk].flags & AR_DF_ASSIGNED) { 1899 meta->magic_0 = rdp->magic_0; 1900 if (strlen(rdp->name)) 1901 strncpy(meta->name_1, rdp->name, sizeof(meta->name_1)); 1902 else 1903 strcpy(meta->name_1, "FreeBSD"); 1904 } 1905 meta->disk_number = disk; 1906 1907 switch (rdp->type) { 1908 case AR_T_RAID0: 1909 meta->type = HPTV2_T_RAID0; 1910 strcpy(meta->name_2, "RAID 0"); 1911 if (rdp->disks[disk].flags & AR_DF_ONLINE) 1912 meta->order = HPTV2_O_OK; 1913 break; 1914 1915 case AR_T_RAID1: 1916 meta->type = HPTV2_T_RAID0; 1917 strcpy(meta->name_2, "RAID 1"); 1918 meta->disk_number = (disk < rdp->width) ? disk : disk + 5; 1919 meta->order = HPTV2_O_RAID0 | HPTV2_O_OK; 1920 break; 1921 1922 case AR_T_RAID01: 1923 meta->type = HPTV2_T_RAID01_RAID0; 1924 strcpy(meta->name_2, "RAID 0+1"); 1925 if (rdp->disks[disk].flags & AR_DF_ONLINE) { 1926 if (disk < rdp->width) { 1927 meta->order = (HPTV2_O_RAID0 | HPTV2_O_RAID1); 1928 meta->magic_0 = rdp->magic_0 - 1; 1929 } 1930 else { 1931 meta->order = HPTV2_O_RAID1; 1932 meta->disk_number -= rdp->width; 1933 } 1934 } 1935 else 1936 meta->magic_0 = rdp->magic_0 - 1; 1937 meta->magic_1 = rdp->magic_1; 1938 break; 1939 1940 case AR_T_SPAN: 1941 meta->type = HPTV2_T_SPAN; 1942 strcpy(meta->name_2, "SPAN"); 1943 break; 1944 default: 1945 kfree(meta, M_AR); 1946 return ENODEV; 1947 } 1948 1949 meta->array_width = rdp->width; 1950 meta->stripe_shift = (rdp->width > 1) ? (ffs(rdp->interleave)-1) : 0; 1951 meta->total_sectors = rdp->total_sectors; 1952 meta->rebuild_lba = rdp->rebuild_lba; 1953 if (testing || bootverbose) 1954 ata_raid_hptv2_print_meta(meta); 1955 if (rdp->disks[disk].dev) { 1956 if (ata_raid_rw(rdp->disks[disk].dev, 1957 HPTV2_LBA(rdp->disks[disk].dev), meta, 1958 sizeof(struct promise_raid_conf), 1959 ATA_R_WRITE | ATA_R_DIRECT)) { 1960 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 1961 error = EIO; 1962 } 1963 } 1964 } 1965 kfree(meta, M_AR); 1966 return error; 1967 } 1968 1969 /* Highpoint V3 RocketRAID Metadata */ 1970 static int 1971 ata_raid_hptv3_read_meta(device_t dev, struct ar_softc **raidp) 1972 { 1973 struct ata_raid_subdisk *ars = device_get_softc(dev); 1974 device_t parent = device_get_parent(dev); 1975 struct hptv3_raid_conf *meta; 1976 struct ar_softc *raid = NULL; 1977 int array, disk_number, retval = 0; 1978 1979 meta = (struct hptv3_raid_conf *)kmalloc(sizeof(struct hptv3_raid_conf), 1980 M_AR, M_WAITOK | M_ZERO); 1981 1982 if (ata_raid_rw(parent, HPTV3_LBA(parent), 1983 meta, sizeof(struct hptv3_raid_conf), ATA_R_READ)) { 1984 if (testing || bootverbose) 1985 device_printf(parent, "HighPoint (v3) read metadata failed\n"); 1986 goto hptv3_out; 1987 } 1988 1989 /* check if this is a HighPoint v3 RAID struct */ 1990 if (meta->magic != HPTV3_MAGIC) { 1991 if (testing || bootverbose) 1992 device_printf(parent, "HighPoint (v3) check1 failed\n"); 1993 goto hptv3_out; 1994 } 1995 1996 /* check if there are any config_entries */ 1997 if (meta->config_entries < 1) { 1998 if (testing || bootverbose) 1999 device_printf(parent, "HighPoint (v3) check2 failed\n"); 2000 goto hptv3_out; 2001 } 2002 2003 if (testing || bootverbose) 2004 ata_raid_hptv3_print_meta(meta); 2005 2006 /* now convert HighPoint (v3) metadata into our generic form */ 2007 for (array = 0; array < MAX_ARRAYS; array++) { 2008 if (!raidp[array]) { 2009 raidp[array] = 2010 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2011 M_WAITOK | M_ZERO); 2012 } 2013 raid = raidp[array]; 2014 if (raid->format && (raid->format != AR_F_HPTV3_RAID)) 2015 continue; 2016 2017 if ((raid->format & AR_F_HPTV3_RAID) && raid->magic_0 != meta->magic_0) 2018 continue; 2019 2020 switch (meta->configs[0].type) { 2021 case HPTV3_T_RAID0: 2022 raid->type = AR_T_RAID0; 2023 raid->width = meta->configs[0].total_disks; 2024 disk_number = meta->configs[0].disk_number; 2025 break; 2026 2027 case HPTV3_T_RAID1: 2028 raid->type = AR_T_RAID1; 2029 raid->width = meta->configs[0].total_disks / 2; 2030 disk_number = meta->configs[0].disk_number; 2031 break; 2032 2033 case HPTV3_T_RAID5: 2034 raid->type = AR_T_RAID5; 2035 raid->width = meta->configs[0].total_disks; 2036 disk_number = meta->configs[0].disk_number; 2037 break; 2038 2039 case HPTV3_T_SPAN: 2040 raid->type = AR_T_SPAN; 2041 raid->width = meta->configs[0].total_disks; 2042 disk_number = meta->configs[0].disk_number; 2043 break; 2044 2045 default: 2046 device_printf(parent, "Highpoint (v3) unknown RAID type 0x%02x\n", 2047 meta->configs[0].type); 2048 kfree(raidp[array], M_AR); 2049 raidp[array] = NULL; 2050 goto hptv3_out; 2051 } 2052 if (meta->config_entries == 2) { 2053 switch (meta->configs[1].type) { 2054 case HPTV3_T_RAID1: 2055 if (raid->type == AR_T_RAID0) { 2056 raid->type = AR_T_RAID01; 2057 disk_number = meta->configs[1].disk_number + 2058 (meta->configs[0].disk_number << 1); 2059 break; 2060 } 2061 default: 2062 device_printf(parent, "Highpoint (v3) unknown level 2 0x%02x\n", 2063 meta->configs[1].type); 2064 kfree(raidp[array], M_AR); 2065 raidp[array] = NULL; 2066 goto hptv3_out; 2067 } 2068 } 2069 2070 raid->magic_0 = meta->magic_0; 2071 raid->format = AR_F_HPTV3_RAID; 2072 raid->generation = meta->timestamp; 2073 raid->interleave = 1 << meta->configs[0].stripe_shift; 2074 raid->total_disks = meta->configs[0].total_disks + 2075 meta->configs[1].total_disks; 2076 raid->total_sectors = meta->configs[0].total_sectors + 2077 ((u_int64_t)meta->configs_high[0].total_sectors << 32); 2078 raid->heads = 255; 2079 raid->sectors = 63; 2080 raid->cylinders = raid->total_sectors / (63 * 255); 2081 raid->offset_sectors = 0; 2082 raid->rebuild_lba = meta->configs[0].rebuild_lba + 2083 ((u_int64_t)meta->configs_high[0].rebuild_lba << 32); 2084 raid->lun = array; 2085 strncpy(raid->name, meta->name, 2086 min(sizeof(raid->name), sizeof(meta->name))); 2087 raid->disks[disk_number].sectors = raid->total_sectors / 2088 (raid->type == AR_T_RAID5 ? raid->width - 1 : raid->width); 2089 raid->disks[disk_number].dev = parent; 2090 raid->disks[disk_number].flags = 2091 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 2092 ars->raid[raid->volume] = raid; 2093 ars->disk_number[raid->volume] = disk_number; 2094 retval = 1; 2095 break; 2096 } 2097 2098 hptv3_out: 2099 kfree(meta, M_AR); 2100 return retval; 2101 } 2102 2103 /* Intel MatrixRAID Metadata */ 2104 static int 2105 ata_raid_intel_read_meta(device_t dev, struct ar_softc **raidp) 2106 { 2107 struct ata_raid_subdisk *ars = device_get_softc(dev); 2108 device_t parent = device_get_parent(dev); 2109 struct intel_raid_conf *meta; 2110 struct intel_raid_mapping *map; 2111 struct ar_softc *raid = NULL; 2112 u_int32_t checksum, *ptr; 2113 int array, count, disk, volume = 1, retval = 0; 2114 char *tmp; 2115 2116 meta = (struct intel_raid_conf *)kmalloc(1536, M_AR, M_WAITOK | M_ZERO); 2117 2118 if (ata_raid_rw(parent, INTEL_LBA(parent), meta, 1024, ATA_R_READ)) { 2119 if (testing || bootverbose) 2120 device_printf(parent, "Intel read metadata failed\n"); 2121 goto intel_out; 2122 } 2123 tmp = (char *)meta; 2124 bcopy(tmp, tmp+1024, 512); 2125 bcopy(tmp+512, tmp, 1024); 2126 bzero(tmp+1024, 512); 2127 2128 /* check if this is a Intel RAID struct */ 2129 if (strncmp(meta->intel_id, INTEL_MAGIC, strlen(INTEL_MAGIC))) { 2130 if (testing || bootverbose) 2131 device_printf(parent, "Intel check1 failed\n"); 2132 goto intel_out; 2133 } 2134 2135 for (checksum = 0, ptr = (u_int32_t *)meta, count = 0; 2136 count < (meta->config_size / sizeof(u_int32_t)); count++) { 2137 checksum += *ptr++; 2138 } 2139 checksum -= meta->checksum; 2140 if (checksum != meta->checksum) { 2141 if (testing || bootverbose) 2142 device_printf(parent, "Intel check2 failed\n"); 2143 goto intel_out; 2144 } 2145 2146 if (testing || bootverbose) 2147 ata_raid_intel_print_meta(meta); 2148 2149 map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks]; 2150 2151 /* now convert Intel metadata into our generic form */ 2152 for (array = 0; array < MAX_ARRAYS; array++) { 2153 if (!raidp[array]) { 2154 raidp[array] = 2155 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2156 M_WAITOK | M_ZERO); 2157 } 2158 raid = raidp[array]; 2159 if (raid->format && (raid->format != AR_F_INTEL_RAID)) 2160 continue; 2161 2162 if ((raid->format & AR_F_INTEL_RAID) && 2163 (raid->magic_0 != meta->config_id)) 2164 continue; 2165 2166 /* 2167 * update our knowledge about the array config based on generation 2168 * NOTE: there can be multiple volumes on a disk set 2169 */ 2170 if (!meta->generation || meta->generation > raid->generation) { 2171 switch (map->type) { 2172 case INTEL_T_RAID0: 2173 raid->type = AR_T_RAID0; 2174 raid->width = map->total_disks; 2175 break; 2176 2177 case INTEL_T_RAID1: 2178 if (map->total_disks == 4) 2179 raid->type = AR_T_RAID01; 2180 else 2181 raid->type = AR_T_RAID1; 2182 raid->width = map->total_disks / 2; 2183 break; 2184 2185 case INTEL_T_RAID5: 2186 raid->type = AR_T_RAID5; 2187 raid->width = map->total_disks; 2188 break; 2189 2190 default: 2191 device_printf(parent, "Intel unknown RAID type 0x%02x\n", 2192 map->type); 2193 kfree(raidp[array], M_AR); 2194 raidp[array] = NULL; 2195 goto intel_out; 2196 } 2197 2198 switch (map->status) { 2199 case INTEL_S_READY: 2200 raid->status = AR_S_READY; 2201 break; 2202 case INTEL_S_DEGRADED: 2203 raid->status |= AR_S_DEGRADED; 2204 break; 2205 case INTEL_S_DISABLED: 2206 case INTEL_S_FAILURE: 2207 raid->status = 0; 2208 } 2209 2210 raid->magic_0 = meta->config_id; 2211 raid->format = AR_F_INTEL_RAID; 2212 raid->generation = meta->generation; 2213 raid->interleave = map->stripe_sectors; 2214 raid->total_disks = map->total_disks; 2215 raid->total_sectors = map->total_sectors; 2216 raid->heads = 255; 2217 raid->sectors = 63; 2218 raid->cylinders = raid->total_sectors / (63 * 255); 2219 raid->offset_sectors = map->offset; 2220 raid->rebuild_lba = 0; 2221 raid->lun = array; 2222 raid->volume = volume - 1; 2223 strncpy(raid->name, map->name, 2224 min(sizeof(raid->name), sizeof(map->name))); 2225 2226 /* clear out any old info */ 2227 for (disk = 0; disk < raid->total_disks; disk++) { 2228 raid->disks[disk].dev = NULL; 2229 bcopy(meta->disk[map->disk_idx[disk]].serial, 2230 raid->disks[disk].serial, 2231 sizeof(raid->disks[disk].serial)); 2232 raid->disks[disk].sectors = 2233 meta->disk[map->disk_idx[disk]].sectors; 2234 raid->disks[disk].flags = 0; 2235 if (meta->disk[map->disk_idx[disk]].flags & INTEL_F_ONLINE) 2236 raid->disks[disk].flags |= AR_DF_ONLINE; 2237 if (meta->disk[map->disk_idx[disk]].flags & INTEL_F_ASSIGNED) 2238 raid->disks[disk].flags |= AR_DF_ASSIGNED; 2239 if (meta->disk[map->disk_idx[disk]].flags & INTEL_F_SPARE) { 2240 raid->disks[disk].flags &= ~(AR_DF_ONLINE | AR_DF_ASSIGNED); 2241 raid->disks[disk].flags |= AR_DF_SPARE; 2242 } 2243 if (meta->disk[map->disk_idx[disk]].flags & INTEL_F_DOWN) 2244 raid->disks[disk].flags &= ~AR_DF_ONLINE; 2245 } 2246 } 2247 if (meta->generation >= raid->generation) { 2248 for (disk = 0; disk < raid->total_disks; disk++) { 2249 struct ata_device *atadev = device_get_softc(parent); 2250 2251 if (!strncmp(raid->disks[disk].serial, atadev->param.serial, 2252 sizeof(raid->disks[disk].serial))) { 2253 raid->disks[disk].dev = parent; 2254 raid->disks[disk].flags |= (AR_DF_PRESENT | AR_DF_ONLINE); 2255 ars->raid[raid->volume] = raid; 2256 ars->disk_number[raid->volume] = disk; 2257 retval = 1; 2258 } 2259 } 2260 } 2261 else 2262 goto intel_out; 2263 2264 if (retval) { 2265 if (volume < meta->total_volumes) { 2266 map = (struct intel_raid_mapping *) 2267 &map->disk_idx[map->total_disks]; 2268 volume++; 2269 retval = 0; 2270 continue; 2271 } 2272 break; 2273 } 2274 else { 2275 kfree(raidp[array], M_AR); 2276 raidp[array] = NULL; 2277 if (volume == 2) 2278 retval = 1; 2279 } 2280 } 2281 2282 intel_out: 2283 kfree(meta, M_AR); 2284 return retval; 2285 } 2286 2287 static int 2288 ata_raid_intel_write_meta(struct ar_softc *rdp) 2289 { 2290 struct intel_raid_conf *meta; 2291 struct intel_raid_mapping *map; 2292 struct timeval timestamp; 2293 u_int32_t checksum, *ptr; 2294 int count, disk, error = 0; 2295 char *tmp; 2296 2297 meta = (struct intel_raid_conf *)kmalloc(1536, M_AR, M_WAITOK | M_ZERO); 2298 2299 rdp->generation++; 2300 2301 /* Generate a new config_id if none exists */ 2302 if (!rdp->magic_0) { 2303 microtime(×tamp); 2304 rdp->magic_0 = timestamp.tv_sec ^ timestamp.tv_usec; 2305 } 2306 2307 bcopy(INTEL_MAGIC, meta->intel_id, sizeof(meta->intel_id)); 2308 bcopy(INTEL_VERSION_1100, meta->version, sizeof(meta->version)); 2309 meta->config_id = rdp->magic_0; 2310 meta->generation = rdp->generation; 2311 meta->total_disks = rdp->total_disks; 2312 meta->total_volumes = 1; /* XXX SOS */ 2313 for (disk = 0; disk < rdp->total_disks; disk++) { 2314 if (rdp->disks[disk].dev) { 2315 struct ata_channel *ch = 2316 device_get_softc(device_get_parent(rdp->disks[disk].dev)); 2317 struct ata_device *atadev = 2318 device_get_softc(rdp->disks[disk].dev); 2319 2320 bcopy(atadev->param.serial, meta->disk[disk].serial, 2321 sizeof(rdp->disks[disk].serial)); 2322 meta->disk[disk].sectors = rdp->disks[disk].sectors; 2323 meta->disk[disk].id = (ch->unit << 16) | ATA_DEV(atadev->unit); 2324 } 2325 else 2326 meta->disk[disk].sectors = rdp->total_sectors / rdp->width; 2327 meta->disk[disk].flags = 0; 2328 if (rdp->disks[disk].flags & AR_DF_SPARE) 2329 meta->disk[disk].flags |= INTEL_F_SPARE; 2330 else { 2331 if (rdp->disks[disk].flags & AR_DF_ONLINE) 2332 meta->disk[disk].flags |= INTEL_F_ONLINE; 2333 else 2334 meta->disk[disk].flags |= INTEL_F_DOWN; 2335 if (rdp->disks[disk].flags & AR_DF_ASSIGNED) 2336 meta->disk[disk].flags |= INTEL_F_ASSIGNED; 2337 } 2338 } 2339 map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks]; 2340 2341 bcopy(rdp->name, map->name, sizeof(rdp->name)); 2342 map->total_sectors = rdp->total_sectors; 2343 map->state = 12; /* XXX SOS */ 2344 map->offset = rdp->offset_sectors; 2345 map->stripe_count = rdp->total_sectors / (rdp->interleave*rdp->total_disks); 2346 map->stripe_sectors = rdp->interleave; 2347 map->disk_sectors = rdp->total_sectors / rdp->width; 2348 map->status = INTEL_S_READY; /* XXX SOS */ 2349 switch (rdp->type) { 2350 case AR_T_RAID0: 2351 map->type = INTEL_T_RAID0; 2352 break; 2353 case AR_T_RAID1: 2354 map->type = INTEL_T_RAID1; 2355 break; 2356 case AR_T_RAID01: 2357 map->type = INTEL_T_RAID1; 2358 break; 2359 case AR_T_RAID5: 2360 map->type = INTEL_T_RAID5; 2361 break; 2362 default: 2363 kfree(meta, M_AR); 2364 return ENODEV; 2365 } 2366 map->total_disks = rdp->total_disks; 2367 map->magic[0] = 0x02; 2368 map->magic[1] = 0xff; 2369 map->magic[2] = 0x01; 2370 for (disk = 0; disk < rdp->total_disks; disk++) 2371 map->disk_idx[disk] = disk; 2372 2373 meta->config_size = (char *)&map->disk_idx[disk] - (char *)meta; 2374 for (checksum = 0, ptr = (u_int32_t *)meta, count = 0; 2375 count < (meta->config_size / sizeof(u_int32_t)); count++) { 2376 checksum += *ptr++; 2377 } 2378 meta->checksum = checksum; 2379 2380 if (testing || bootverbose) 2381 ata_raid_intel_print_meta(meta); 2382 2383 tmp = (char *)meta; 2384 bcopy(tmp, tmp+1024, 512); 2385 bcopy(tmp+512, tmp, 1024); 2386 bzero(tmp+1024, 512); 2387 2388 for (disk = 0; disk < rdp->total_disks; disk++) { 2389 if (rdp->disks[disk].dev) { 2390 if (ata_raid_rw(rdp->disks[disk].dev, 2391 INTEL_LBA(rdp->disks[disk].dev), 2392 meta, 1024, ATA_R_WRITE | ATA_R_DIRECT)) { 2393 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 2394 error = EIO; 2395 } 2396 } 2397 } 2398 kfree(meta, M_AR); 2399 return error; 2400 } 2401 2402 2403 /* Integrated Technology Express Metadata */ 2404 static int 2405 ata_raid_ite_read_meta(device_t dev, struct ar_softc **raidp) 2406 { 2407 struct ata_raid_subdisk *ars = device_get_softc(dev); 2408 device_t parent = device_get_parent(dev); 2409 struct ite_raid_conf *meta; 2410 struct ar_softc *raid = NULL; 2411 int array, disk_number, count, retval = 0; 2412 u_int16_t *ptr; 2413 2414 meta = (struct ite_raid_conf *)kmalloc(sizeof(struct ite_raid_conf), M_AR, 2415 M_WAITOK | M_ZERO); 2416 2417 if (ata_raid_rw(parent, ITE_LBA(parent), 2418 meta, sizeof(struct ite_raid_conf), ATA_R_READ)) { 2419 if (testing || bootverbose) 2420 device_printf(parent, "ITE read metadata failed\n"); 2421 goto ite_out; 2422 } 2423 2424 /* check if this is a ITE RAID struct */ 2425 for (ptr = (u_int16_t *)meta->ite_id, count = 0; 2426 count < sizeof(meta->ite_id)/sizeof(uint16_t); count++) 2427 ptr[count] = be16toh(ptr[count]); 2428 2429 if (strncmp(meta->ite_id, ITE_MAGIC, strlen(ITE_MAGIC))) { 2430 if (testing || bootverbose) 2431 device_printf(parent, "ITE check1 failed\n"); 2432 goto ite_out; 2433 } 2434 2435 if (testing || bootverbose) 2436 ata_raid_ite_print_meta(meta); 2437 2438 /* now convert ITE metadata into our generic form */ 2439 for (array = 0; array < MAX_ARRAYS; array++) { 2440 if ((raid = raidp[array])) { 2441 if (raid->format != AR_F_ITE_RAID) 2442 continue; 2443 if (raid->magic_0 != *((u_int64_t *)meta->timestamp_0)) 2444 continue; 2445 } 2446 2447 /* if we dont have a disks timestamp the RAID is invalidated */ 2448 if (*((u_int64_t *)meta->timestamp_1) == 0) 2449 goto ite_out; 2450 2451 if (!raid) { 2452 raidp[array] = (struct ar_softc *)kmalloc(sizeof(struct ar_softc), 2453 M_AR, M_WAITOK | M_ZERO); 2454 } 2455 2456 switch (meta->type) { 2457 case ITE_T_RAID0: 2458 raid->type = AR_T_RAID0; 2459 raid->width = meta->array_width; 2460 raid->total_disks = meta->array_width; 2461 disk_number = meta->disk_number; 2462 break; 2463 2464 case ITE_T_RAID1: 2465 raid->type = AR_T_RAID1; 2466 raid->width = 1; 2467 raid->total_disks = 2; 2468 disk_number = meta->disk_number; 2469 break; 2470 2471 case ITE_T_RAID01: 2472 raid->type = AR_T_RAID01; 2473 raid->width = meta->array_width; 2474 raid->total_disks = 4; 2475 disk_number = ((meta->disk_number & 0x02) >> 1) | 2476 ((meta->disk_number & 0x01) << 1); 2477 break; 2478 2479 case ITE_T_SPAN: 2480 raid->type = AR_T_SPAN; 2481 raid->width = 1; 2482 raid->total_disks = meta->array_width; 2483 disk_number = meta->disk_number; 2484 break; 2485 2486 default: 2487 device_printf(parent, "ITE unknown RAID type 0x%02x\n", meta->type); 2488 kfree(raidp[array], M_AR); 2489 raidp[array] = NULL; 2490 goto ite_out; 2491 } 2492 2493 raid->magic_0 = *((u_int64_t *)meta->timestamp_0); 2494 raid->format = AR_F_ITE_RAID; 2495 raid->generation = 0; 2496 raid->interleave = meta->stripe_sectors; 2497 raid->total_sectors = meta->total_sectors; 2498 raid->heads = 255; 2499 raid->sectors = 63; 2500 raid->cylinders = raid->total_sectors / (63 * 255); 2501 raid->offset_sectors = 0; 2502 raid->rebuild_lba = 0; 2503 raid->lun = array; 2504 2505 raid->disks[disk_number].dev = parent; 2506 raid->disks[disk_number].sectors = raid->total_sectors / raid->width; 2507 raid->disks[disk_number].flags = 2508 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 2509 ars->raid[raid->volume] = raid; 2510 ars->disk_number[raid->volume] = disk_number; 2511 retval = 1; 2512 break; 2513 } 2514 ite_out: 2515 kfree(meta, M_AR); 2516 return retval; 2517 } 2518 2519 /* JMicron Technology Corp Metadata */ 2520 static int 2521 ata_raid_jmicron_read_meta(device_t dev, struct ar_softc **raidp) 2522 { 2523 struct ata_raid_subdisk *ars = device_get_softc(dev); 2524 device_t parent = device_get_parent(dev); 2525 struct jmicron_raid_conf *meta; 2526 struct ar_softc *raid = NULL; 2527 u_int16_t checksum, *ptr; 2528 u_int64_t disk_size; 2529 int count, array, disk, total_disks, retval = 0; 2530 2531 meta = (struct jmicron_raid_conf *) 2532 kmalloc(sizeof(struct jmicron_raid_conf), M_AR, M_WAITOK | M_ZERO); 2533 2534 if (ata_raid_rw(parent, JMICRON_LBA(parent), 2535 meta, sizeof(struct jmicron_raid_conf), ATA_R_READ)) { 2536 if (testing || bootverbose) 2537 device_printf(parent, 2538 "JMicron read metadata failed\n"); 2539 } 2540 2541 /* check for JMicron signature */ 2542 if (strncmp(meta->signature, JMICRON_MAGIC, 2)) { 2543 if (testing || bootverbose) 2544 device_printf(parent, "JMicron check1 failed\n"); 2545 goto jmicron_out; 2546 } 2547 2548 /* calculate checksum and compare for valid */ 2549 for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 64; count++) 2550 checksum += *ptr++; 2551 if (checksum) { 2552 if (testing || bootverbose) 2553 device_printf(parent, "JMicron check2 failed\n"); 2554 goto jmicron_out; 2555 } 2556 2557 if (testing || bootverbose) 2558 ata_raid_jmicron_print_meta(meta); 2559 2560 /* now convert JMicron meta into our generic form */ 2561 for (array = 0; array < MAX_ARRAYS; array++) { 2562 jmicron_next: 2563 if (!raidp[array]) { 2564 raidp[array] = 2565 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2566 M_WAITOK | M_ZERO); 2567 } 2568 raid = raidp[array]; 2569 if (raid->format && (raid->format != AR_F_JMICRON_RAID)) 2570 continue; 2571 2572 for (total_disks = 0, disk = 0; disk < JM_MAX_DISKS; disk++) { 2573 if (meta->disks[disk]) { 2574 if (raid->format == AR_F_JMICRON_RAID) { 2575 if (bcmp(&meta->disks[disk], 2576 raid->disks[disk].serial, sizeof(u_int32_t))) { 2577 array++; 2578 goto jmicron_next; 2579 } 2580 } 2581 else 2582 bcopy(&meta->disks[disk], 2583 raid->disks[disk].serial, sizeof(u_int32_t)); 2584 total_disks++; 2585 } 2586 } 2587 /* handle spares XXX SOS */ 2588 2589 switch (meta->type) { 2590 case JM_T_RAID0: 2591 raid->type = AR_T_RAID0; 2592 raid->width = total_disks; 2593 break; 2594 2595 case JM_T_RAID1: 2596 raid->type = AR_T_RAID1; 2597 raid->width = 1; 2598 break; 2599 2600 case JM_T_RAID01: 2601 raid->type = AR_T_RAID01; 2602 raid->width = total_disks / 2; 2603 break; 2604 2605 case JM_T_RAID5: 2606 raid->type = AR_T_RAID5; 2607 raid->width = total_disks; 2608 break; 2609 2610 case JM_T_JBOD: 2611 raid->type = AR_T_SPAN; 2612 raid->width = 1; 2613 break; 2614 2615 default: 2616 device_printf(parent, 2617 "JMicron unknown RAID type 0x%02x\n", meta->type); 2618 kfree(raidp[array], M_AR); 2619 raidp[array] = NULL; 2620 goto jmicron_out; 2621 } 2622 disk_size = (meta->disk_sectors_high << 16) + meta->disk_sectors_low; 2623 raid->format = AR_F_JMICRON_RAID; 2624 strncpy(raid->name, meta->name, sizeof(meta->name)); 2625 raid->generation = 0; 2626 raid->interleave = 2 << meta->stripe_shift; 2627 raid->total_disks = total_disks; 2628 raid->total_sectors = disk_size * (raid->width-(raid->type==AR_RAID5)); 2629 raid->heads = 255; 2630 raid->sectors = 63; 2631 raid->cylinders = raid->total_sectors / (63 * 255); 2632 raid->offset_sectors = meta->offset * 16; 2633 raid->rebuild_lba = 0; 2634 raid->lun = array; 2635 2636 for (disk = 0; disk < raid->total_disks; disk++) { 2637 if (meta->disks[disk] == meta->disk_id) { 2638 raid->disks[disk].dev = parent; 2639 raid->disks[disk].sectors = disk_size; 2640 raid->disks[disk].flags = 2641 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 2642 ars->raid[raid->volume] = raid; 2643 ars->disk_number[raid->volume] = disk; 2644 retval = 1; 2645 break; 2646 } 2647 } 2648 break; 2649 } 2650 jmicron_out: 2651 kfree(meta, M_AR); 2652 return retval; 2653 } 2654 2655 static int 2656 ata_raid_jmicron_write_meta(struct ar_softc *rdp) 2657 { 2658 struct jmicron_raid_conf *meta; 2659 u_int64_t disk_sectors; 2660 int disk, error = 0; 2661 2662 meta = (struct jmicron_raid_conf *) 2663 kmalloc(sizeof(struct jmicron_raid_conf), M_AR, M_WAITOK | M_ZERO); 2664 2665 rdp->generation++; 2666 switch (rdp->type) { 2667 case AR_T_JBOD: 2668 meta->type = JM_T_JBOD; 2669 break; 2670 2671 case AR_T_RAID0: 2672 meta->type = JM_T_RAID0; 2673 break; 2674 2675 case AR_T_RAID1: 2676 meta->type = JM_T_RAID1; 2677 break; 2678 2679 case AR_T_RAID5: 2680 meta->type = JM_T_RAID5; 2681 break; 2682 2683 case AR_T_RAID01: 2684 meta->type = JM_T_RAID01; 2685 break; 2686 2687 default: 2688 kfree(meta, M_AR); 2689 return ENODEV; 2690 } 2691 bcopy(JMICRON_MAGIC, meta->signature, sizeof(JMICRON_MAGIC)); 2692 meta->version = JMICRON_VERSION; 2693 meta->offset = rdp->offset_sectors / 16; 2694 disk_sectors = rdp->total_sectors / (rdp->width - (rdp->type == AR_RAID5)); 2695 meta->disk_sectors_low = disk_sectors & 0xffff; 2696 meta->disk_sectors_high = disk_sectors >> 16; 2697 strncpy(meta->name, rdp->name, sizeof(meta->name)); 2698 meta->stripe_shift = ffs(rdp->interleave) - 2; 2699 2700 for (disk = 0; disk < rdp->total_disks; disk++) { 2701 if (rdp->disks[disk].serial[0]) 2702 bcopy(rdp->disks[disk].serial,&meta->disks[disk],sizeof(u_int32_t)); 2703 else 2704 meta->disks[disk] = (u_int32_t)(uintptr_t)rdp->disks[disk].dev; 2705 } 2706 2707 for (disk = 0; disk < rdp->total_disks; disk++) { 2708 if (rdp->disks[disk].dev) { 2709 u_int16_t checksum = 0, *ptr; 2710 int count; 2711 2712 meta->disk_id = meta->disks[disk]; 2713 meta->checksum = 0; 2714 for (ptr = (u_int16_t *)meta, count = 0; count < 64; count++) 2715 checksum += *ptr++; 2716 meta->checksum -= checksum; 2717 2718 if (testing || bootverbose) 2719 ata_raid_jmicron_print_meta(meta); 2720 2721 if (ata_raid_rw(rdp->disks[disk].dev, 2722 JMICRON_LBA(rdp->disks[disk].dev), 2723 meta, sizeof(struct jmicron_raid_conf), 2724 ATA_R_WRITE | ATA_R_DIRECT)) { 2725 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 2726 error = EIO; 2727 } 2728 } 2729 } 2730 /* handle spares XXX SOS */ 2731 2732 kfree(meta, M_AR); 2733 return error; 2734 } 2735 2736 /* LSILogic V2 MegaRAID Metadata */ 2737 static int 2738 ata_raid_lsiv2_read_meta(device_t dev, struct ar_softc **raidp) 2739 { 2740 struct ata_raid_subdisk *ars = device_get_softc(dev); 2741 device_t parent = device_get_parent(dev); 2742 struct lsiv2_raid_conf *meta; 2743 struct ar_softc *raid = NULL; 2744 int array, retval = 0; 2745 2746 meta = (struct lsiv2_raid_conf *)kmalloc(sizeof(struct lsiv2_raid_conf), 2747 M_AR, M_WAITOK | M_ZERO); 2748 2749 if (ata_raid_rw(parent, LSIV2_LBA(parent), 2750 meta, sizeof(struct lsiv2_raid_conf), ATA_R_READ)) { 2751 if (testing || bootverbose) 2752 device_printf(parent, "LSI (v2) read metadata failed\n"); 2753 goto lsiv2_out; 2754 } 2755 2756 /* check if this is a LSI RAID struct */ 2757 if (strncmp(meta->lsi_id, LSIV2_MAGIC, strlen(LSIV2_MAGIC))) { 2758 if (testing || bootverbose) 2759 device_printf(parent, "LSI (v2) check1 failed\n"); 2760 goto lsiv2_out; 2761 } 2762 2763 if (testing || bootverbose) 2764 ata_raid_lsiv2_print_meta(meta); 2765 2766 /* now convert LSI (v2) config meta into our generic form */ 2767 for (array = 0; array < MAX_ARRAYS; array++) { 2768 int raid_entry, conf_entry; 2769 2770 if (!raidp[array + meta->raid_number]) { 2771 raidp[array + meta->raid_number] = 2772 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2773 M_WAITOK | M_ZERO); 2774 } 2775 raid = raidp[array + meta->raid_number]; 2776 if (raid->format && (raid->format != AR_F_LSIV2_RAID)) 2777 continue; 2778 2779 if (raid->magic_0 && 2780 ((raid->magic_0 != meta->timestamp) || 2781 (raid->magic_1 != meta->raid_number))) 2782 continue; 2783 2784 array += meta->raid_number; 2785 2786 raid_entry = meta->raid_number; 2787 conf_entry = (meta->configs[raid_entry].raid.config_offset >> 4) + 2788 meta->disk_number - 1; 2789 2790 switch (meta->configs[raid_entry].raid.type) { 2791 case LSIV2_T_RAID0: 2792 raid->magic_0 = meta->timestamp; 2793 raid->magic_1 = meta->raid_number; 2794 raid->type = AR_T_RAID0; 2795 raid->interleave = meta->configs[raid_entry].raid.stripe_sectors; 2796 raid->width = meta->configs[raid_entry].raid.array_width; 2797 break; 2798 2799 case LSIV2_T_RAID1: 2800 raid->magic_0 = meta->timestamp; 2801 raid->magic_1 = meta->raid_number; 2802 raid->type = AR_T_RAID1; 2803 raid->width = meta->configs[raid_entry].raid.array_width; 2804 break; 2805 2806 case LSIV2_T_RAID0 | LSIV2_T_RAID1: 2807 raid->magic_0 = meta->timestamp; 2808 raid->magic_1 = meta->raid_number; 2809 raid->type = AR_T_RAID01; 2810 raid->interleave = meta->configs[raid_entry].raid.stripe_sectors; 2811 raid->width = meta->configs[raid_entry].raid.array_width; 2812 break; 2813 2814 default: 2815 device_printf(parent, "LSI v2 unknown RAID type 0x%02x\n", 2816 meta->configs[raid_entry].raid.type); 2817 kfree(raidp[array], M_AR); 2818 raidp[array] = NULL; 2819 goto lsiv2_out; 2820 } 2821 2822 raid->format = AR_F_LSIV2_RAID; 2823 raid->generation = 0; 2824 raid->total_disks = meta->configs[raid_entry].raid.disk_count; 2825 raid->total_sectors = meta->configs[raid_entry].raid.total_sectors; 2826 raid->heads = 255; 2827 raid->sectors = 63; 2828 raid->cylinders = raid->total_sectors / (63 * 255); 2829 raid->offset_sectors = 0; 2830 raid->rebuild_lba = 0; 2831 raid->lun = array; 2832 2833 if (meta->configs[conf_entry].disk.device != LSIV2_D_NONE) { 2834 raid->disks[meta->disk_number].dev = parent; 2835 raid->disks[meta->disk_number].sectors = 2836 meta->configs[conf_entry].disk.disk_sectors; 2837 raid->disks[meta->disk_number].flags = 2838 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 2839 ars->raid[raid->volume] = raid; 2840 ars->disk_number[raid->volume] = meta->disk_number; 2841 retval = 1; 2842 } 2843 else 2844 raid->disks[meta->disk_number].flags &= ~AR_DF_ONLINE; 2845 2846 break; 2847 } 2848 2849 lsiv2_out: 2850 kfree(meta, M_AR); 2851 return retval; 2852 } 2853 2854 /* LSILogic V3 MegaRAID Metadata */ 2855 static int 2856 ata_raid_lsiv3_read_meta(device_t dev, struct ar_softc **raidp) 2857 { 2858 struct ata_raid_subdisk *ars = device_get_softc(dev); 2859 device_t parent = device_get_parent(dev); 2860 struct lsiv3_raid_conf *meta; 2861 struct ar_softc *raid = NULL; 2862 u_int8_t checksum, *ptr; 2863 int array, entry, count, disk_number, retval = 0; 2864 2865 meta = (struct lsiv3_raid_conf *)kmalloc(sizeof(struct lsiv3_raid_conf), 2866 M_AR, M_WAITOK | M_ZERO); 2867 2868 if (ata_raid_rw(parent, LSIV3_LBA(parent), 2869 meta, sizeof(struct lsiv3_raid_conf), ATA_R_READ)) { 2870 if (testing || bootverbose) 2871 device_printf(parent, "LSI (v3) read metadata failed\n"); 2872 goto lsiv3_out; 2873 } 2874 2875 /* check if this is a LSI RAID struct */ 2876 if (strncmp(meta->lsi_id, LSIV3_MAGIC, strlen(LSIV3_MAGIC))) { 2877 if (testing || bootverbose) 2878 device_printf(parent, "LSI (v3) check1 failed\n"); 2879 goto lsiv3_out; 2880 } 2881 2882 /* check if the checksum is OK */ 2883 for (checksum = 0, ptr = meta->lsi_id, count = 0; count < 512; count++) 2884 checksum += *ptr++; 2885 if (checksum) { 2886 if (testing || bootverbose) 2887 device_printf(parent, "LSI (v3) check2 failed\n"); 2888 goto lsiv3_out; 2889 } 2890 2891 if (testing || bootverbose) 2892 ata_raid_lsiv3_print_meta(meta); 2893 2894 /* now convert LSI (v3) config meta into our generic form */ 2895 for (array = 0, entry = 0; array < MAX_ARRAYS && entry < 8;) { 2896 if (!raidp[array]) { 2897 raidp[array] = 2898 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2899 M_WAITOK | M_ZERO); 2900 } 2901 raid = raidp[array]; 2902 if (raid->format && (raid->format != AR_F_LSIV3_RAID)) { 2903 array++; 2904 continue; 2905 } 2906 2907 if ((raid->format == AR_F_LSIV3_RAID) && 2908 (raid->magic_0 != meta->timestamp)) { 2909 array++; 2910 continue; 2911 } 2912 2913 switch (meta->raid[entry].total_disks) { 2914 case 0: 2915 entry++; 2916 continue; 2917 case 1: 2918 if (meta->raid[entry].device == meta->device) { 2919 disk_number = 0; 2920 break; 2921 } 2922 if (raid->format) 2923 array++; 2924 entry++; 2925 continue; 2926 case 2: 2927 disk_number = (meta->device & (LSIV3_D_DEVICE|LSIV3_D_CHANNEL))?1:0; 2928 break; 2929 default: 2930 device_printf(parent, "lsiv3 > 2 disk support untested!!\n"); 2931 disk_number = (meta->device & LSIV3_D_DEVICE ? 1 : 0) + 2932 (meta->device & LSIV3_D_CHANNEL ? 2 : 0); 2933 break; 2934 } 2935 2936 switch (meta->raid[entry].type) { 2937 case LSIV3_T_RAID0: 2938 raid->type = AR_T_RAID0; 2939 raid->width = meta->raid[entry].total_disks; 2940 break; 2941 2942 case LSIV3_T_RAID1: 2943 raid->type = AR_T_RAID1; 2944 raid->width = meta->raid[entry].array_width; 2945 break; 2946 2947 default: 2948 device_printf(parent, "LSI v3 unknown RAID type 0x%02x\n", 2949 meta->raid[entry].type); 2950 kfree(raidp[array], M_AR); 2951 raidp[array] = NULL; 2952 entry++; 2953 continue; 2954 } 2955 2956 raid->magic_0 = meta->timestamp; 2957 raid->format = AR_F_LSIV3_RAID; 2958 raid->generation = 0; 2959 raid->interleave = meta->raid[entry].stripe_pages * 8; 2960 raid->total_disks = meta->raid[entry].total_disks; 2961 raid->total_sectors = raid->width * meta->raid[entry].sectors; 2962 raid->heads = 255; 2963 raid->sectors = 63; 2964 raid->cylinders = raid->total_sectors / (63 * 255); 2965 raid->offset_sectors = meta->raid[entry].offset; 2966 raid->rebuild_lba = 0; 2967 raid->lun = array; 2968 2969 raid->disks[disk_number].dev = parent; 2970 raid->disks[disk_number].sectors = raid->total_sectors / raid->width; 2971 raid->disks[disk_number].flags = 2972 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 2973 ars->raid[raid->volume] = raid; 2974 ars->disk_number[raid->volume] = disk_number; 2975 retval = 1; 2976 entry++; 2977 array++; 2978 } 2979 2980 lsiv3_out: 2981 kfree(meta, M_AR); 2982 return retval; 2983 } 2984 2985 /* nVidia MediaShield Metadata */ 2986 static int 2987 ata_raid_nvidia_read_meta(device_t dev, struct ar_softc **raidp) 2988 { 2989 struct ata_raid_subdisk *ars = device_get_softc(dev); 2990 device_t parent = device_get_parent(dev); 2991 struct nvidia_raid_conf *meta; 2992 struct ar_softc *raid = NULL; 2993 u_int32_t checksum, *ptr; 2994 int array, count, retval = 0; 2995 2996 meta = (struct nvidia_raid_conf *)kmalloc(sizeof(struct nvidia_raid_conf), 2997 M_AR, M_WAITOK | M_ZERO); 2998 2999 if (ata_raid_rw(parent, NVIDIA_LBA(parent), 3000 meta, sizeof(struct nvidia_raid_conf), ATA_R_READ)) { 3001 if (testing || bootverbose) 3002 device_printf(parent, "nVidia read metadata failed\n"); 3003 goto nvidia_out; 3004 } 3005 3006 /* check if this is a nVidia RAID struct */ 3007 if (strncmp(meta->nvidia_id, NV_MAGIC, strlen(NV_MAGIC))) { 3008 if (testing || bootverbose) 3009 device_printf(parent, "nVidia check1 failed\n"); 3010 goto nvidia_out; 3011 } 3012 3013 /* check if the checksum is OK */ 3014 for (checksum = 0, ptr = (u_int32_t*)meta, count = 0; 3015 count < meta->config_size; count++) 3016 checksum += *ptr++; 3017 if (checksum) { 3018 if (testing || bootverbose) 3019 device_printf(parent, "nVidia check2 failed\n"); 3020 goto nvidia_out; 3021 } 3022 3023 if (testing || bootverbose) 3024 ata_raid_nvidia_print_meta(meta); 3025 3026 /* now convert nVidia meta into our generic form */ 3027 for (array = 0; array < MAX_ARRAYS; array++) { 3028 if (!raidp[array]) { 3029 raidp[array] = 3030 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3031 M_WAITOK | M_ZERO); 3032 } 3033 raid = raidp[array]; 3034 if (raid->format && (raid->format != AR_F_NVIDIA_RAID)) 3035 continue; 3036 3037 if (raid->format == AR_F_NVIDIA_RAID && 3038 ((raid->magic_0 != meta->magic_1) || 3039 (raid->magic_1 != meta->magic_2))) { 3040 continue; 3041 } 3042 3043 switch (meta->type) { 3044 case NV_T_SPAN: 3045 raid->type = AR_T_SPAN; 3046 break; 3047 3048 case NV_T_RAID0: 3049 raid->type = AR_T_RAID0; 3050 break; 3051 3052 case NV_T_RAID1: 3053 raid->type = AR_T_RAID1; 3054 break; 3055 3056 case NV_T_RAID5: 3057 raid->type = AR_T_RAID5; 3058 break; 3059 3060 case NV_T_RAID01: 3061 raid->type = AR_T_RAID01; 3062 break; 3063 3064 default: 3065 device_printf(parent, "nVidia unknown RAID type 0x%02x\n", 3066 meta->type); 3067 kfree(raidp[array], M_AR); 3068 raidp[array] = NULL; 3069 goto nvidia_out; 3070 } 3071 raid->magic_0 = meta->magic_1; 3072 raid->magic_1 = meta->magic_2; 3073 raid->format = AR_F_NVIDIA_RAID; 3074 raid->generation = 0; 3075 raid->interleave = meta->stripe_sectors; 3076 raid->width = meta->array_width; 3077 raid->total_disks = meta->total_disks; 3078 raid->total_sectors = meta->total_sectors; 3079 raid->heads = 255; 3080 raid->sectors = 63; 3081 raid->cylinders = raid->total_sectors / (63 * 255); 3082 raid->offset_sectors = 0; 3083 raid->rebuild_lba = meta->rebuild_lba; 3084 raid->lun = array; 3085 raid->status = AR_S_READY; 3086 if (meta->status & NV_S_DEGRADED) 3087 raid->status |= AR_S_DEGRADED; 3088 3089 raid->disks[meta->disk_number].dev = parent; 3090 raid->disks[meta->disk_number].sectors = 3091 raid->total_sectors / raid->width; 3092 raid->disks[meta->disk_number].flags = 3093 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 3094 ars->raid[raid->volume] = raid; 3095 ars->disk_number[raid->volume] = meta->disk_number; 3096 retval = 1; 3097 break; 3098 } 3099 3100 nvidia_out: 3101 kfree(meta, M_AR); 3102 return retval; 3103 } 3104 3105 /* Promise FastTrak Metadata */ 3106 static int 3107 ata_raid_promise_read_meta(device_t dev, struct ar_softc **raidp, int native) 3108 { 3109 struct ata_raid_subdisk *ars = device_get_softc(dev); 3110 device_t parent = device_get_parent(dev); 3111 struct promise_raid_conf *meta; 3112 struct ar_softc *raid; 3113 u_int32_t checksum, *ptr; 3114 int array, count, disk, disksum = 0, retval = 0; 3115 3116 meta = (struct promise_raid_conf *) 3117 kmalloc(sizeof(struct promise_raid_conf), M_AR, M_WAITOK | M_ZERO); 3118 3119 if (ata_raid_rw(parent, PROMISE_LBA(parent), 3120 meta, sizeof(struct promise_raid_conf), ATA_R_READ)) { 3121 if (testing || bootverbose) 3122 device_printf(parent, "%s read metadata failed\n", 3123 native ? "FreeBSD" : "Promise"); 3124 goto promise_out; 3125 } 3126 3127 /* check the signature */ 3128 if (native) { 3129 if (strncmp(meta->promise_id, ATA_MAGIC, strlen(ATA_MAGIC))) { 3130 if (testing || bootverbose) 3131 device_printf(parent, "FreeBSD check1 failed\n"); 3132 goto promise_out; 3133 } 3134 } 3135 else { 3136 if (strncmp(meta->promise_id, PR_MAGIC, strlen(PR_MAGIC))) { 3137 if (testing || bootverbose) 3138 device_printf(parent, "Promise check1 failed\n"); 3139 goto promise_out; 3140 } 3141 } 3142 3143 /* check if the checksum is OK */ 3144 for (checksum = 0, ptr = (u_int32_t *)meta, count = 0; count < 511; count++) 3145 checksum += *ptr++; 3146 if (checksum != *ptr) { 3147 if (testing || bootverbose) 3148 device_printf(parent, "%s check2 failed\n", 3149 native ? "FreeBSD" : "Promise"); 3150 goto promise_out; 3151 } 3152 3153 /* check on disk integrity status */ 3154 if (meta->raid.integrity != PR_I_VALID) { 3155 if (testing || bootverbose) 3156 device_printf(parent, "%s check3 failed\n", 3157 native ? "FreeBSD" : "Promise"); 3158 goto promise_out; 3159 } 3160 3161 if (testing || bootverbose) 3162 ata_raid_promise_print_meta(meta); 3163 3164 /* now convert Promise metadata into our generic form */ 3165 for (array = 0; array < MAX_ARRAYS; array++) { 3166 if (!raidp[array]) { 3167 raidp[array] = 3168 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3169 M_WAITOK | M_ZERO); 3170 } 3171 raid = raidp[array]; 3172 if (raid->format && 3173 (raid->format != (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID))) 3174 continue; 3175 3176 if ((raid->format == (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID))&& 3177 !(meta->raid.magic_1 == (raid->magic_1))) 3178 continue; 3179 3180 /* update our knowledge about the array config based on generation */ 3181 if (!meta->raid.generation || meta->raid.generation > raid->generation){ 3182 switch (meta->raid.type) { 3183 case PR_T_SPAN: 3184 raid->type = AR_T_SPAN; 3185 break; 3186 3187 case PR_T_JBOD: 3188 raid->type = AR_T_JBOD; 3189 break; 3190 3191 case PR_T_RAID0: 3192 raid->type = AR_T_RAID0; 3193 break; 3194 3195 case PR_T_RAID1: 3196 raid->type = AR_T_RAID1; 3197 if (meta->raid.array_width > 1) 3198 raid->type = AR_T_RAID01; 3199 break; 3200 3201 case PR_T_RAID5: 3202 raid->type = AR_T_RAID5; 3203 break; 3204 3205 default: 3206 device_printf(parent, "%s unknown RAID type 0x%02x\n", 3207 native ? "FreeBSD" : "Promise", meta->raid.type); 3208 kfree(raidp[array], M_AR); 3209 raidp[array] = NULL; 3210 goto promise_out; 3211 } 3212 raid->magic_1 = meta->raid.magic_1; 3213 raid->format = (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID); 3214 raid->generation = meta->raid.generation; 3215 raid->interleave = 1 << meta->raid.stripe_shift; 3216 raid->width = meta->raid.array_width; 3217 raid->total_disks = meta->raid.total_disks; 3218 raid->heads = meta->raid.heads + 1; 3219 raid->sectors = meta->raid.sectors; 3220 raid->cylinders = meta->raid.cylinders + 1; 3221 raid->total_sectors = meta->raid.total_sectors; 3222 raid->offset_sectors = 0; 3223 raid->rebuild_lba = meta->raid.rebuild_lba; 3224 raid->lun = array; 3225 if ((meta->raid.status & 3226 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY)) == 3227 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY)) { 3228 raid->status |= AR_S_READY; 3229 if (meta->raid.status & PR_S_DEGRADED) 3230 raid->status |= AR_S_DEGRADED; 3231 } 3232 else 3233 raid->status &= ~AR_S_READY; 3234 3235 /* convert disk flags to our internal types */ 3236 for (disk = 0; disk < meta->raid.total_disks; disk++) { 3237 raid->disks[disk].dev = NULL; 3238 raid->disks[disk].flags = 0; 3239 *((u_int64_t *)(raid->disks[disk].serial)) = 3240 meta->raid.disk[disk].magic_0; 3241 disksum += meta->raid.disk[disk].flags; 3242 if (meta->raid.disk[disk].flags & PR_F_ONLINE) 3243 raid->disks[disk].flags |= AR_DF_ONLINE; 3244 if (meta->raid.disk[disk].flags & PR_F_ASSIGNED) 3245 raid->disks[disk].flags |= AR_DF_ASSIGNED; 3246 if (meta->raid.disk[disk].flags & PR_F_SPARE) { 3247 raid->disks[disk].flags &= ~(AR_DF_ONLINE | AR_DF_ASSIGNED); 3248 raid->disks[disk].flags |= AR_DF_SPARE; 3249 } 3250 if (meta->raid.disk[disk].flags & (PR_F_REDIR | PR_F_DOWN)) 3251 raid->disks[disk].flags &= ~AR_DF_ONLINE; 3252 } 3253 if (!disksum) { 3254 device_printf(parent, "%s subdisks has no flags\n", 3255 native ? "FreeBSD" : "Promise"); 3256 kfree(raidp[array], M_AR); 3257 raidp[array] = NULL; 3258 goto promise_out; 3259 } 3260 } 3261 if (meta->raid.generation >= raid->generation) { 3262 int disk_number = meta->raid.disk_number; 3263 3264 if (raid->disks[disk_number].flags && (meta->magic_0 == 3265 *((u_int64_t *)(raid->disks[disk_number].serial)))) { 3266 raid->disks[disk_number].dev = parent; 3267 raid->disks[disk_number].flags |= AR_DF_PRESENT; 3268 raid->disks[disk_number].sectors = meta->raid.disk_sectors; 3269 if ((raid->disks[disk_number].flags & 3270 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE)) == 3271 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE)) { 3272 ars->raid[raid->volume] = raid; 3273 ars->disk_number[raid->volume] = disk_number; 3274 retval = 1; 3275 } 3276 } 3277 } 3278 break; 3279 } 3280 3281 promise_out: 3282 kfree(meta, M_AR); 3283 return retval; 3284 } 3285 3286 static int 3287 ata_raid_promise_write_meta(struct ar_softc *rdp) 3288 { 3289 struct promise_raid_conf *meta; 3290 struct timeval timestamp; 3291 u_int32_t *ckptr; 3292 int count, disk, drive, error = 0; 3293 3294 meta = (struct promise_raid_conf *) 3295 kmalloc(sizeof(struct promise_raid_conf), M_AR, M_WAITOK); 3296 3297 rdp->generation++; 3298 microtime(×tamp); 3299 3300 for (disk = 0; disk < rdp->total_disks; disk++) { 3301 for (count = 0; count < sizeof(struct promise_raid_conf); count++) 3302 *(((u_int8_t *)meta) + count) = 255 - (count % 256); 3303 meta->dummy_0 = 0x00020000; 3304 meta->raid.disk_number = disk; 3305 3306 if (rdp->disks[disk].dev) { 3307 struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev); 3308 struct ata_channel *ch = 3309 device_get_softc(device_get_parent(rdp->disks[disk].dev)); 3310 3311 meta->raid.channel = ch->unit; 3312 meta->raid.device = ATA_DEV(atadev->unit); 3313 meta->raid.disk_sectors = rdp->disks[disk].sectors; 3314 meta->raid.disk_offset = rdp->offset_sectors; 3315 } 3316 else { 3317 meta->raid.channel = 0; 3318 meta->raid.device = 0; 3319 meta->raid.disk_sectors = 0; 3320 meta->raid.disk_offset = 0; 3321 } 3322 meta->magic_0 = PR_MAGIC0(meta->raid) | timestamp.tv_sec; 3323 meta->magic_1 = timestamp.tv_sec >> 16; 3324 meta->magic_2 = timestamp.tv_sec; 3325 meta->raid.integrity = PR_I_VALID; 3326 meta->raid.magic_0 = meta->magic_0; 3327 meta->raid.rebuild_lba = rdp->rebuild_lba; 3328 meta->raid.generation = rdp->generation; 3329 3330 if (rdp->status & AR_S_READY) { 3331 meta->raid.flags = (PR_F_VALID | PR_F_ASSIGNED | PR_F_ONLINE); 3332 meta->raid.status = 3333 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY); 3334 if (rdp->status & AR_S_DEGRADED) 3335 meta->raid.status |= PR_S_DEGRADED; 3336 else 3337 meta->raid.status |= PR_S_FUNCTIONAL; 3338 } 3339 else { 3340 meta->raid.flags = PR_F_DOWN; 3341 meta->raid.status = 0; 3342 } 3343 3344 switch (rdp->type) { 3345 case AR_T_RAID0: 3346 meta->raid.type = PR_T_RAID0; 3347 break; 3348 case AR_T_RAID1: 3349 meta->raid.type = PR_T_RAID1; 3350 break; 3351 case AR_T_RAID01: 3352 meta->raid.type = PR_T_RAID1; 3353 break; 3354 case AR_T_RAID5: 3355 meta->raid.type = PR_T_RAID5; 3356 break; 3357 case AR_T_SPAN: 3358 meta->raid.type = PR_T_SPAN; 3359 break; 3360 case AR_T_JBOD: 3361 meta->raid.type = PR_T_JBOD; 3362 break; 3363 default: 3364 kfree(meta, M_AR); 3365 return ENODEV; 3366 } 3367 3368 meta->raid.total_disks = rdp->total_disks; 3369 meta->raid.stripe_shift = ffs(rdp->interleave) - 1; 3370 meta->raid.array_width = rdp->width; 3371 meta->raid.array_number = rdp->lun; 3372 meta->raid.total_sectors = rdp->total_sectors; 3373 meta->raid.cylinders = rdp->cylinders - 1; 3374 meta->raid.heads = rdp->heads - 1; 3375 meta->raid.sectors = rdp->sectors; 3376 meta->raid.magic_1 = (u_int64_t)meta->magic_2<<16 | meta->magic_1; 3377 3378 bzero(&meta->raid.disk, 8 * 12); 3379 for (drive = 0; drive < rdp->total_disks; drive++) { 3380 meta->raid.disk[drive].flags = 0; 3381 if (rdp->disks[drive].flags & AR_DF_PRESENT) 3382 meta->raid.disk[drive].flags |= PR_F_VALID; 3383 if (rdp->disks[drive].flags & AR_DF_ASSIGNED) 3384 meta->raid.disk[drive].flags |= PR_F_ASSIGNED; 3385 if (rdp->disks[drive].flags & AR_DF_ONLINE) 3386 meta->raid.disk[drive].flags |= PR_F_ONLINE; 3387 else 3388 if (rdp->disks[drive].flags & AR_DF_PRESENT) 3389 meta->raid.disk[drive].flags = (PR_F_REDIR | PR_F_DOWN); 3390 if (rdp->disks[drive].flags & AR_DF_SPARE) 3391 meta->raid.disk[drive].flags |= PR_F_SPARE; 3392 meta->raid.disk[drive].dummy_0 = 0x0; 3393 if (rdp->disks[drive].dev) { 3394 struct ata_channel *ch = 3395 device_get_softc(device_get_parent(rdp->disks[drive].dev)); 3396 struct ata_device *atadev = 3397 device_get_softc(rdp->disks[drive].dev); 3398 3399 meta->raid.disk[drive].channel = ch->unit; 3400 meta->raid.disk[drive].device = ATA_DEV(atadev->unit); 3401 } 3402 meta->raid.disk[drive].magic_0 = 3403 PR_MAGIC0(meta->raid.disk[drive]) | timestamp.tv_sec; 3404 } 3405 3406 if (rdp->disks[disk].dev) { 3407 if ((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) == 3408 (AR_DF_PRESENT | AR_DF_ONLINE)) { 3409 if (rdp->format == AR_F_FREEBSD_RAID) 3410 bcopy(ATA_MAGIC, meta->promise_id, sizeof(ATA_MAGIC)); 3411 else 3412 bcopy(PR_MAGIC, meta->promise_id, sizeof(PR_MAGIC)); 3413 } 3414 else 3415 bzero(meta->promise_id, sizeof(meta->promise_id)); 3416 meta->checksum = 0; 3417 for (ckptr = (int32_t *)meta, count = 0; count < 511; count++) 3418 meta->checksum += *ckptr++; 3419 if (testing || bootverbose) 3420 ata_raid_promise_print_meta(meta); 3421 if (ata_raid_rw(rdp->disks[disk].dev, 3422 PROMISE_LBA(rdp->disks[disk].dev), 3423 meta, sizeof(struct promise_raid_conf), 3424 ATA_R_WRITE | ATA_R_DIRECT)) { 3425 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 3426 error = EIO; 3427 } 3428 } 3429 } 3430 kfree(meta, M_AR); 3431 return error; 3432 } 3433 3434 /* Silicon Image Medley Metadata */ 3435 static int 3436 ata_raid_sii_read_meta(device_t dev, struct ar_softc **raidp) 3437 { 3438 struct ata_raid_subdisk *ars = device_get_softc(dev); 3439 device_t parent = device_get_parent(dev); 3440 struct sii_raid_conf *meta; 3441 struct ar_softc *raid = NULL; 3442 u_int16_t checksum, *ptr; 3443 int array, count, disk, retval = 0; 3444 3445 meta = (struct sii_raid_conf *)kmalloc(sizeof(struct sii_raid_conf), M_AR, 3446 M_WAITOK | M_ZERO); 3447 3448 if (ata_raid_rw(parent, SII_LBA(parent), 3449 meta, sizeof(struct sii_raid_conf), ATA_R_READ)) { 3450 if (testing || bootverbose) 3451 device_printf(parent, "Silicon Image read metadata failed\n"); 3452 goto sii_out; 3453 } 3454 3455 /* check if this is a Silicon Image (Medley) RAID struct */ 3456 for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 160; count++) 3457 checksum += *ptr++; 3458 if (checksum) { 3459 if (testing || bootverbose) 3460 device_printf(parent, "Silicon Image check1 failed\n"); 3461 goto sii_out; 3462 } 3463 3464 for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 256; count++) 3465 checksum += *ptr++; 3466 if (checksum != meta->checksum_1) { 3467 if (testing || bootverbose) 3468 device_printf(parent, "Silicon Image check2 failed\n"); 3469 goto sii_out; 3470 } 3471 3472 /* check verison */ 3473 if (meta->version_major != 0x0002 || 3474 (meta->version_minor != 0x0000 && meta->version_minor != 0x0001)) { 3475 if (testing || bootverbose) 3476 device_printf(parent, "Silicon Image check3 failed\n"); 3477 goto sii_out; 3478 } 3479 3480 if (testing || bootverbose) 3481 ata_raid_sii_print_meta(meta); 3482 3483 /* now convert Silicon Image meta into our generic form */ 3484 for (array = 0; array < MAX_ARRAYS; array++) { 3485 if (!raidp[array]) { 3486 raidp[array] = 3487 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3488 M_WAITOK | M_ZERO); 3489 } 3490 raid = raidp[array]; 3491 if (raid->format && (raid->format != AR_F_SII_RAID)) 3492 continue; 3493 3494 if (raid->format == AR_F_SII_RAID && 3495 (raid->magic_0 != *((u_int64_t *)meta->timestamp))) { 3496 continue; 3497 } 3498 3499 /* update our knowledge about the array config based on generation */ 3500 if (!meta->generation || meta->generation > raid->generation) { 3501 switch (meta->type) { 3502 case SII_T_RAID0: 3503 raid->type = AR_T_RAID0; 3504 break; 3505 3506 case SII_T_RAID1: 3507 raid->type = AR_T_RAID1; 3508 break; 3509 3510 case SII_T_RAID01: 3511 raid->type = AR_T_RAID01; 3512 break; 3513 3514 case SII_T_SPARE: 3515 device_printf(parent, "Silicon Image SPARE disk\n"); 3516 kfree(raidp[array], M_AR); 3517 raidp[array] = NULL; 3518 goto sii_out; 3519 3520 default: 3521 device_printf(parent,"Silicon Image unknown RAID type 0x%02x\n", 3522 meta->type); 3523 kfree(raidp[array], M_AR); 3524 raidp[array] = NULL; 3525 goto sii_out; 3526 } 3527 raid->magic_0 = *((u_int64_t *)meta->timestamp); 3528 raid->format = AR_F_SII_RAID; 3529 raid->generation = meta->generation; 3530 raid->interleave = meta->stripe_sectors; 3531 raid->width = (meta->raid0_disks != 0xff) ? meta->raid0_disks : 1; 3532 raid->total_disks = 3533 ((meta->raid0_disks != 0xff) ? meta->raid0_disks : 0) + 3534 ((meta->raid1_disks != 0xff) ? meta->raid1_disks : 0); 3535 raid->total_sectors = meta->total_sectors; 3536 raid->heads = 255; 3537 raid->sectors = 63; 3538 raid->cylinders = raid->total_sectors / (63 * 255); 3539 raid->offset_sectors = 0; 3540 raid->rebuild_lba = meta->rebuild_lba; 3541 raid->lun = array; 3542 strncpy(raid->name, meta->name, 3543 min(sizeof(raid->name), sizeof(meta->name))); 3544 3545 /* clear out any old info */ 3546 if (raid->generation) { 3547 for (disk = 0; disk < raid->total_disks; disk++) { 3548 raid->disks[disk].dev = NULL; 3549 raid->disks[disk].flags = 0; 3550 } 3551 } 3552 } 3553 if (meta->generation >= raid->generation) { 3554 /* XXX SOS add check for the right physical disk by serial# */ 3555 if (meta->status & SII_S_READY) { 3556 int disk_number = (raid->type == AR_T_RAID01) ? 3557 meta->raid1_ident + (meta->raid0_ident << 1) : 3558 meta->disk_number; 3559 3560 raid->disks[disk_number].dev = parent; 3561 raid->disks[disk_number].sectors = 3562 raid->total_sectors / raid->width; 3563 raid->disks[disk_number].flags = 3564 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 3565 ars->raid[raid->volume] = raid; 3566 ars->disk_number[raid->volume] = disk_number; 3567 retval = 1; 3568 } 3569 } 3570 break; 3571 } 3572 3573 sii_out: 3574 kfree(meta, M_AR); 3575 return retval; 3576 } 3577 3578 /* Silicon Integrated Systems Metadata */ 3579 static int 3580 ata_raid_sis_read_meta(device_t dev, struct ar_softc **raidp) 3581 { 3582 struct ata_raid_subdisk *ars = device_get_softc(dev); 3583 device_t parent = device_get_parent(dev); 3584 struct sis_raid_conf *meta; 3585 struct ar_softc *raid = NULL; 3586 int array, disk_number, drive, retval = 0; 3587 3588 meta = (struct sis_raid_conf *)kmalloc(sizeof(struct sis_raid_conf), M_AR, 3589 M_WAITOK | M_ZERO); 3590 3591 if (ata_raid_rw(parent, SIS_LBA(parent), 3592 meta, sizeof(struct sis_raid_conf), ATA_R_READ)) { 3593 if (testing || bootverbose) 3594 device_printf(parent, 3595 "Silicon Integrated Systems read metadata failed\n"); 3596 } 3597 3598 /* check for SiS magic */ 3599 if (meta->magic != SIS_MAGIC) { 3600 if (testing || bootverbose) 3601 device_printf(parent, 3602 "Silicon Integrated Systems check1 failed\n"); 3603 goto sis_out; 3604 } 3605 3606 if (testing || bootverbose) 3607 ata_raid_sis_print_meta(meta); 3608 3609 /* now convert SiS meta into our generic form */ 3610 for (array = 0; array < MAX_ARRAYS; array++) { 3611 if (!raidp[array]) { 3612 raidp[array] = 3613 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3614 M_WAITOK | M_ZERO); 3615 } 3616 3617 raid = raidp[array]; 3618 if (raid->format && (raid->format != AR_F_SIS_RAID)) 3619 continue; 3620 3621 if ((raid->format == AR_F_SIS_RAID) && 3622 ((raid->magic_0 != meta->controller_pci_id) || 3623 (raid->magic_1 != meta->timestamp))) { 3624 continue; 3625 } 3626 3627 switch (meta->type_total_disks & SIS_T_MASK) { 3628 case SIS_T_JBOD: 3629 raid->type = AR_T_JBOD; 3630 raid->width = (meta->type_total_disks & SIS_D_MASK); 3631 raid->total_sectors += SIS_LBA(parent); 3632 break; 3633 3634 case SIS_T_RAID0: 3635 raid->type = AR_T_RAID0; 3636 raid->width = (meta->type_total_disks & SIS_D_MASK); 3637 if (!raid->total_sectors || 3638 (raid->total_sectors > (raid->width * SIS_LBA(parent)))) 3639 raid->total_sectors = raid->width * SIS_LBA(parent); 3640 break; 3641 3642 case SIS_T_RAID1: 3643 raid->type = AR_T_RAID1; 3644 raid->width = 1; 3645 if (!raid->total_sectors || (raid->total_sectors > SIS_LBA(parent))) 3646 raid->total_sectors = SIS_LBA(parent); 3647 break; 3648 3649 default: 3650 device_printf(parent, "Silicon Integrated Systems " 3651 "unknown RAID type 0x%08x\n", meta->magic); 3652 kfree(raidp[array], M_AR); 3653 raidp[array] = NULL; 3654 goto sis_out; 3655 } 3656 raid->magic_0 = meta->controller_pci_id; 3657 raid->magic_1 = meta->timestamp; 3658 raid->format = AR_F_SIS_RAID; 3659 raid->generation = 0; 3660 raid->interleave = meta->stripe_sectors; 3661 raid->total_disks = (meta->type_total_disks & SIS_D_MASK); 3662 raid->heads = 255; 3663 raid->sectors = 63; 3664 raid->cylinders = raid->total_sectors / (63 * 255); 3665 raid->offset_sectors = 0; 3666 raid->rebuild_lba = 0; 3667 raid->lun = array; 3668 /* XXX SOS if total_disks > 2 this doesn't float */ 3669 if (((meta->disks & SIS_D_MASTER) >> 4) == meta->disk_number) 3670 disk_number = 0; 3671 else 3672 disk_number = 1; 3673 3674 for (drive = 0; drive < raid->total_disks; drive++) { 3675 raid->disks[drive].sectors = raid->total_sectors/raid->width; 3676 if (drive == disk_number) { 3677 raid->disks[disk_number].dev = parent; 3678 raid->disks[disk_number].flags = 3679 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 3680 ars->raid[raid->volume] = raid; 3681 ars->disk_number[raid->volume] = disk_number; 3682 } 3683 } 3684 retval = 1; 3685 break; 3686 } 3687 3688 sis_out: 3689 kfree(meta, M_AR); 3690 return retval; 3691 } 3692 3693 static int 3694 ata_raid_sis_write_meta(struct ar_softc *rdp) 3695 { 3696 struct sis_raid_conf *meta; 3697 struct timeval timestamp; 3698 int disk, error = 0; 3699 3700 meta = (struct sis_raid_conf *)kmalloc(sizeof(struct sis_raid_conf), M_AR, 3701 M_WAITOK | M_ZERO); 3702 3703 rdp->generation++; 3704 microtime(×tamp); 3705 3706 meta->magic = SIS_MAGIC; 3707 /* XXX SOS if total_disks > 2 this doesn't float */ 3708 for (disk = 0; disk < rdp->total_disks; disk++) { 3709 if (rdp->disks[disk].dev) { 3710 struct ata_channel *ch = 3711 device_get_softc(device_get_parent(rdp->disks[disk].dev)); 3712 struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev); 3713 int disk_number = 1 + ATA_DEV(atadev->unit) + (ch->unit << 1); 3714 3715 meta->disks |= disk_number << ((1 - disk) << 2); 3716 } 3717 } 3718 switch (rdp->type) { 3719 case AR_T_JBOD: 3720 meta->type_total_disks = SIS_T_JBOD; 3721 break; 3722 3723 case AR_T_RAID0: 3724 meta->type_total_disks = SIS_T_RAID0; 3725 break; 3726 3727 case AR_T_RAID1: 3728 meta->type_total_disks = SIS_T_RAID1; 3729 break; 3730 3731 default: 3732 kfree(meta, M_AR); 3733 return ENODEV; 3734 } 3735 meta->type_total_disks |= (rdp->total_disks & SIS_D_MASK); 3736 meta->stripe_sectors = rdp->interleave; 3737 meta->timestamp = timestamp.tv_sec; 3738 3739 for (disk = 0; disk < rdp->total_disks; disk++) { 3740 if (rdp->disks[disk].dev) { 3741 struct ata_channel *ch = 3742 device_get_softc(device_get_parent(rdp->disks[disk].dev)); 3743 struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev); 3744 3745 meta->controller_pci_id = 3746 (pci_get_vendor(GRANDPARENT(rdp->disks[disk].dev)) << 16) | 3747 pci_get_device(GRANDPARENT(rdp->disks[disk].dev)); 3748 bcopy(atadev->param.model, meta->model, sizeof(meta->model)); 3749 3750 /* XXX SOS if total_disks > 2 this may not float */ 3751 meta->disk_number = 1 + ATA_DEV(atadev->unit) + (ch->unit << 1); 3752 3753 if (testing || bootverbose) 3754 ata_raid_sis_print_meta(meta); 3755 3756 if (ata_raid_rw(rdp->disks[disk].dev, 3757 SIS_LBA(rdp->disks[disk].dev), 3758 meta, sizeof(struct sis_raid_conf), 3759 ATA_R_WRITE | ATA_R_DIRECT)) { 3760 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 3761 error = EIO; 3762 } 3763 } 3764 } 3765 kfree(meta, M_AR); 3766 return error; 3767 } 3768 3769 /* VIA Tech V-RAID Metadata */ 3770 static int 3771 ata_raid_via_read_meta(device_t dev, struct ar_softc **raidp) 3772 { 3773 struct ata_raid_subdisk *ars = device_get_softc(dev); 3774 device_t parent = device_get_parent(dev); 3775 struct via_raid_conf *meta; 3776 struct ar_softc *raid = NULL; 3777 u_int8_t checksum, *ptr; 3778 int array, count, disk, retval = 0; 3779 3780 meta = (struct via_raid_conf *)kmalloc(sizeof(struct via_raid_conf), M_AR, 3781 M_WAITOK | M_ZERO); 3782 3783 if (ata_raid_rw(parent, VIA_LBA(parent), 3784 meta, sizeof(struct via_raid_conf), ATA_R_READ)) { 3785 if (testing || bootverbose) 3786 device_printf(parent, "VIA read metadata failed\n"); 3787 goto via_out; 3788 } 3789 3790 /* check if this is a VIA RAID struct */ 3791 if (meta->magic != VIA_MAGIC) { 3792 if (testing || bootverbose) 3793 device_printf(parent, "VIA check1 failed\n"); 3794 goto via_out; 3795 } 3796 3797 /* calculate checksum and compare for valid */ 3798 for (checksum = 0, ptr = (u_int8_t *)meta, count = 0; count < 50; count++) 3799 checksum += *ptr++; 3800 if (checksum != meta->checksum) { 3801 if (testing || bootverbose) 3802 device_printf(parent, "VIA check2 failed\n"); 3803 goto via_out; 3804 } 3805 3806 if (testing || bootverbose) 3807 ata_raid_via_print_meta(meta); 3808 3809 /* now convert VIA meta into our generic form */ 3810 for (array = 0; array < MAX_ARRAYS; array++) { 3811 if (!raidp[array]) { 3812 raidp[array] = 3813 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3814 M_WAITOK | M_ZERO); 3815 } 3816 raid = raidp[array]; 3817 if (raid->format && (raid->format != AR_F_VIA_RAID)) 3818 continue; 3819 3820 if (raid->format == AR_F_VIA_RAID && (raid->magic_0 != meta->disks[0])) 3821 continue; 3822 3823 switch (meta->type & VIA_T_MASK) { 3824 case VIA_T_RAID0: 3825 raid->type = AR_T_RAID0; 3826 raid->width = meta->stripe_layout & VIA_L_DISKS; 3827 if (!raid->total_sectors || 3828 (raid->total_sectors > (raid->width * meta->disk_sectors))) 3829 raid->total_sectors = raid->width * meta->disk_sectors; 3830 break; 3831 3832 case VIA_T_RAID1: 3833 raid->type = AR_T_RAID1; 3834 raid->width = 1; 3835 raid->total_sectors = meta->disk_sectors; 3836 break; 3837 3838 case VIA_T_RAID01: 3839 raid->type = AR_T_RAID01; 3840 raid->width = meta->stripe_layout & VIA_L_DISKS; 3841 if (!raid->total_sectors || 3842 (raid->total_sectors > (raid->width * meta->disk_sectors))) 3843 raid->total_sectors = raid->width * meta->disk_sectors; 3844 break; 3845 3846 case VIA_T_RAID5: 3847 raid->type = AR_T_RAID5; 3848 raid->width = meta->stripe_layout & VIA_L_DISKS; 3849 if (!raid->total_sectors || 3850 (raid->total_sectors > ((raid->width - 1)*meta->disk_sectors))) 3851 raid->total_sectors = (raid->width - 1) * meta->disk_sectors; 3852 break; 3853 3854 case VIA_T_SPAN: 3855 raid->type = AR_T_SPAN; 3856 raid->width = 1; 3857 raid->total_sectors += meta->disk_sectors; 3858 break; 3859 3860 default: 3861 device_printf(parent,"VIA unknown RAID type 0x%02x\n", meta->type); 3862 kfree(raidp[array], M_AR); 3863 raidp[array] = NULL; 3864 goto via_out; 3865 } 3866 raid->magic_0 = meta->disks[0]; 3867 raid->format = AR_F_VIA_RAID; 3868 raid->generation = 0; 3869 raid->interleave = 3870 0x08 << ((meta->stripe_layout & VIA_L_MASK) >> VIA_L_SHIFT); 3871 for (count = 0, disk = 0; disk < 8; disk++) 3872 if (meta->disks[disk]) 3873 count++; 3874 raid->total_disks = count; 3875 raid->heads = 255; 3876 raid->sectors = 63; 3877 raid->cylinders = raid->total_sectors / (63 * 255); 3878 raid->offset_sectors = 0; 3879 raid->rebuild_lba = 0; 3880 raid->lun = array; 3881 3882 for (disk = 0; disk < raid->total_disks; disk++) { 3883 if (meta->disks[disk] == meta->disk_id) { 3884 raid->disks[disk].dev = parent; 3885 bcopy(&meta->disk_id, raid->disks[disk].serial, 3886 sizeof(u_int32_t)); 3887 raid->disks[disk].sectors = meta->disk_sectors; 3888 raid->disks[disk].flags = 3889 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 3890 ars->raid[raid->volume] = raid; 3891 ars->disk_number[raid->volume] = disk; 3892 retval = 1; 3893 break; 3894 } 3895 } 3896 break; 3897 } 3898 3899 via_out: 3900 kfree(meta, M_AR); 3901 return retval; 3902 } 3903 3904 static int 3905 ata_raid_via_write_meta(struct ar_softc *rdp) 3906 { 3907 struct via_raid_conf *meta; 3908 int disk, error = 0; 3909 3910 meta = (struct via_raid_conf *)kmalloc(sizeof(struct via_raid_conf), M_AR, 3911 M_WAITOK | M_ZERO); 3912 3913 rdp->generation++; 3914 3915 meta->magic = VIA_MAGIC; 3916 meta->dummy_0 = 0x02; 3917 switch (rdp->type) { 3918 case AR_T_SPAN: 3919 meta->type = VIA_T_SPAN; 3920 meta->stripe_layout = (rdp->total_disks & VIA_L_DISKS); 3921 break; 3922 3923 case AR_T_RAID0: 3924 meta->type = VIA_T_RAID0; 3925 meta->stripe_layout = ((rdp->interleave >> 1) & VIA_L_MASK); 3926 meta->stripe_layout |= (rdp->total_disks & VIA_L_DISKS); 3927 break; 3928 3929 case AR_T_RAID1: 3930 meta->type = VIA_T_RAID1; 3931 meta->stripe_layout = (rdp->total_disks & VIA_L_DISKS); 3932 break; 3933 3934 case AR_T_RAID5: 3935 meta->type = VIA_T_RAID5; 3936 meta->stripe_layout = ((rdp->interleave >> 1) & VIA_L_MASK); 3937 meta->stripe_layout |= (rdp->total_disks & VIA_L_DISKS); 3938 break; 3939 3940 case AR_T_RAID01: 3941 meta->type = VIA_T_RAID01; 3942 meta->stripe_layout = ((rdp->interleave >> 1) & VIA_L_MASK); 3943 meta->stripe_layout |= (rdp->width & VIA_L_DISKS); 3944 break; 3945 3946 default: 3947 kfree(meta, M_AR); 3948 return ENODEV; 3949 } 3950 meta->type |= VIA_T_BOOTABLE; /* XXX SOS */ 3951 meta->disk_sectors = 3952 rdp->total_sectors / (rdp->width - (rdp->type == AR_RAID5)); 3953 for (disk = 0; disk < rdp->total_disks; disk++) 3954 meta->disks[disk] = (u_int32_t)(uintptr_t)rdp->disks[disk].dev; 3955 3956 for (disk = 0; disk < rdp->total_disks; disk++) { 3957 if (rdp->disks[disk].dev) { 3958 u_int8_t *ptr; 3959 int count; 3960 3961 meta->disk_index = disk * sizeof(u_int32_t); 3962 if (rdp->type == AR_T_RAID01) 3963 meta->disk_index = ((meta->disk_index & 0x08) << 2) | 3964 (meta->disk_index & ~0x08); 3965 meta->disk_id = meta->disks[disk]; 3966 meta->checksum = 0; 3967 for (ptr = (u_int8_t *)meta, count = 0; count < 50; count++) 3968 meta->checksum += *ptr++; 3969 3970 if (testing || bootverbose) 3971 ata_raid_via_print_meta(meta); 3972 3973 if (ata_raid_rw(rdp->disks[disk].dev, 3974 VIA_LBA(rdp->disks[disk].dev), 3975 meta, sizeof(struct via_raid_conf), 3976 ATA_R_WRITE | ATA_R_DIRECT)) { 3977 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 3978 error = EIO; 3979 } 3980 } 3981 } 3982 kfree(meta, M_AR); 3983 return error; 3984 } 3985 3986 static struct ata_request * 3987 ata_raid_init_request(struct ar_softc *rdp, struct bio *bio) 3988 { 3989 struct ata_request *request; 3990 3991 if (!(request = ata_alloc_request())) { 3992 kprintf("FAILURE - out of memory in ata_raid_init_request\n"); 3993 return NULL; 3994 } 3995 request->timeout = ATA_DEFAULT_TIMEOUT; 3996 request->retries = 2; 3997 request->callback = ata_raid_done; 3998 request->driver = rdp; 3999 request->bio = bio; 4000 switch (request->bio->bio_buf->b_cmd) { 4001 case BUF_CMD_READ: 4002 request->flags = ATA_R_READ; 4003 break; 4004 case BUF_CMD_WRITE: 4005 request->flags = ATA_R_WRITE; 4006 break; 4007 case BUF_CMD_FLUSH: 4008 request->flags = ATA_R_CONTROL; 4009 break; 4010 default: 4011 kprintf("ar%d: FAILURE - unknown BUF operation\n", rdp->lun); 4012 ata_free_request(request); 4013 #if 0 4014 bio->bio_buf->b_flags |= B_ERROR; 4015 bio->bio_buf->b_error = EIO; 4016 biodone(bio); 4017 #endif /* 0 */ 4018 return(NULL); 4019 } 4020 return request; 4021 } 4022 4023 static int 4024 ata_raid_send_request(struct ata_request *request) 4025 { 4026 struct ata_device *atadev = device_get_softc(request->dev); 4027 4028 request->transfersize = min(request->bytecount, atadev->max_iosize); 4029 if (request->flags & ATA_R_READ) { 4030 if (atadev->mode >= ATA_DMA) { 4031 request->flags |= ATA_R_DMA; 4032 request->u.ata.command = ATA_READ_DMA; 4033 } 4034 else if (atadev->max_iosize > DEV_BSIZE) 4035 request->u.ata.command = ATA_READ_MUL; 4036 else 4037 request->u.ata.command = ATA_READ; 4038 } 4039 else if (request->flags & ATA_R_WRITE) { 4040 if (atadev->mode >= ATA_DMA) { 4041 request->flags |= ATA_R_DMA; 4042 request->u.ata.command = ATA_WRITE_DMA; 4043 } 4044 else if (atadev->max_iosize > DEV_BSIZE) 4045 request->u.ata.command = ATA_WRITE_MUL; 4046 else 4047 request->u.ata.command = ATA_WRITE; 4048 } 4049 else { 4050 device_printf(request->dev, "FAILURE - unknown IO operation\n"); 4051 ata_free_request(request); 4052 return EIO; 4053 } 4054 request->flags |= (ATA_R_ORDERED | ATA_R_THREAD); 4055 ata_queue_request(request); 4056 return 0; 4057 } 4058 4059 static int 4060 ata_raid_rw(device_t dev, u_int64_t lba, void *data, u_int bcount, int flags) 4061 { 4062 struct ata_device *atadev = device_get_softc(dev); 4063 struct ata_request *request; 4064 int error; 4065 4066 if (bcount % DEV_BSIZE) { 4067 device_printf(dev, "FAILURE - transfers must be modulo sectorsize\n"); 4068 return ENOMEM; 4069 } 4070 4071 if (!(request = ata_alloc_request())) { 4072 device_printf(dev, "FAILURE - out of memory in ata_raid_rw\n"); 4073 return ENOMEM; 4074 } 4075 4076 /* setup request */ 4077 request->dev = dev; 4078 request->timeout = 10; 4079 request->retries = 0; 4080 request->data = data; 4081 request->bytecount = bcount; 4082 request->transfersize = DEV_BSIZE; 4083 request->u.ata.lba = lba; 4084 request->u.ata.count = request->bytecount / DEV_BSIZE; 4085 request->flags = flags; 4086 4087 if (flags & ATA_R_READ) { 4088 if (atadev->mode >= ATA_DMA) { 4089 request->u.ata.command = ATA_READ_DMA; 4090 request->flags |= ATA_R_DMA; 4091 } 4092 else 4093 request->u.ata.command = ATA_READ; 4094 ata_queue_request(request); 4095 } 4096 else if (flags & ATA_R_WRITE) { 4097 if (atadev->mode >= ATA_DMA) { 4098 request->u.ata.command = ATA_WRITE_DMA; 4099 request->flags |= ATA_R_DMA; 4100 } 4101 else 4102 request->u.ata.command = ATA_WRITE; 4103 ata_queue_request(request); 4104 } 4105 else { 4106 device_printf(dev, "FAILURE - unknown IO operation\n"); 4107 request->result = EIO; 4108 } 4109 error = request->result; 4110 ata_free_request(request); 4111 return error; 4112 } 4113 4114 /* 4115 * module handeling 4116 */ 4117 static int 4118 ata_raid_subdisk_probe(device_t dev) 4119 { 4120 device_quiet(dev); 4121 return 0; 4122 } 4123 4124 static int 4125 ata_raid_subdisk_attach(device_t dev) 4126 { 4127 struct ata_raid_subdisk *ars = device_get_softc(dev); 4128 int volume; 4129 4130 for (volume = 0; volume < MAX_VOLUMES; volume++) { 4131 ars->raid[volume] = NULL; 4132 ars->disk_number[volume] = -1; 4133 } 4134 ata_raid_read_metadata(dev); 4135 return 0; 4136 } 4137 4138 static int 4139 ata_raid_subdisk_detach(device_t dev) 4140 { 4141 struct ata_raid_subdisk *ars = device_get_softc(dev); 4142 int volume; 4143 4144 for (volume = 0; volume < MAX_VOLUMES; volume++) { 4145 if (ars->raid[volume]) { 4146 ars->raid[volume]->disks[ars->disk_number[volume]].flags &= 4147 ~(AR_DF_PRESENT | AR_DF_ONLINE); 4148 ars->raid[volume]->disks[ars->disk_number[volume]].dev = NULL; 4149 ata_raid_config_changed(ars->raid[volume], 1); 4150 ars->raid[volume] = NULL; 4151 ars->disk_number[volume] = -1; 4152 } 4153 } 4154 return 0; 4155 } 4156 4157 static device_method_t ata_raid_sub_methods[] = { 4158 /* device interface */ 4159 DEVMETHOD(device_probe, ata_raid_subdisk_probe), 4160 DEVMETHOD(device_attach, ata_raid_subdisk_attach), 4161 DEVMETHOD(device_detach, ata_raid_subdisk_detach), 4162 { 0, 0 } 4163 }; 4164 4165 static driver_t ata_raid_sub_driver = { 4166 "subdisk", 4167 ata_raid_sub_methods, 4168 sizeof(struct ata_raid_subdisk) 4169 }; 4170 4171 DRIVER_MODULE(subdisk, ad, ata_raid_sub_driver, ata_raid_sub_devclass, NULL, NULL); 4172 4173 static int 4174 ata_raid_module_event_handler(module_t mod, int what, void *arg) 4175 { 4176 int i; 4177 4178 switch (what) { 4179 case MOD_LOAD: 4180 if (testing || bootverbose) 4181 kprintf("ATA PseudoRAID loaded\n"); 4182 #if 0 4183 /* setup table to hold metadata for all ATA PseudoRAID arrays */ 4184 ata_raid_arrays = kmalloc(sizeof(struct ar_soft *) * MAX_ARRAYS, 4185 M_AR, M_WAITOK | M_ZERO); 4186 #endif 4187 /* attach found PseudoRAID arrays */ 4188 for (i = 0; i < MAX_ARRAYS; i++) { 4189 struct ar_softc *rdp = ata_raid_arrays[i]; 4190 4191 if (!rdp || !rdp->format) 4192 continue; 4193 if (testing || bootverbose) 4194 ata_raid_print_meta(rdp); 4195 ata_raid_attach(rdp, 0); 4196 } 4197 ata_raid_ioctl_func = ata_raid_ioctl; 4198 return 0; 4199 4200 case MOD_UNLOAD: 4201 /* detach found PseudoRAID arrays */ 4202 for (i = 0; i < MAX_ARRAYS; i++) { 4203 struct ar_softc *rdp = ata_raid_arrays[i]; 4204 4205 if (!rdp || !rdp->status) 4206 continue; 4207 disk_destroy(&rdp->disk); 4208 } 4209 if (testing || bootverbose) 4210 kprintf("ATA PseudoRAID unloaded\n"); 4211 #if 0 4212 kfree(ata_raid_arrays, M_AR); 4213 #endif 4214 ata_raid_ioctl_func = NULL; 4215 return 0; 4216 4217 default: 4218 return EOPNOTSUPP; 4219 } 4220 } 4221 4222 static moduledata_t ata_raid_moduledata = 4223 { "ataraid", ata_raid_module_event_handler, NULL }; 4224 DECLARE_MODULE(ata, ata_raid_moduledata, SI_SUB_RAID, SI_ORDER_FIRST); 4225 MODULE_VERSION(ataraid, 1); 4226 MODULE_DEPEND(ataraid, ata, 1, 1, 1); 4227 MODULE_DEPEND(ataraid, ad, 1, 1, 1); 4228 4229 static char * 4230 ata_raid_format(struct ar_softc *rdp) 4231 { 4232 switch (rdp->format) { 4233 case AR_F_FREEBSD_RAID: return "FreeBSD PseudoRAID"; 4234 case AR_F_ADAPTEC_RAID: return "Adaptec HostRAID"; 4235 case AR_F_HPTV2_RAID: return "HighPoint v2 RocketRAID"; 4236 case AR_F_HPTV3_RAID: return "HighPoint v3 RocketRAID"; 4237 case AR_F_INTEL_RAID: return "Intel MatrixRAID"; 4238 case AR_F_ITE_RAID: return "Integrated Technology Express"; 4239 case AR_F_JMICRON_RAID: return "JMicron Technology Corp"; 4240 case AR_F_LSIV2_RAID: return "LSILogic v2 MegaRAID"; 4241 case AR_F_LSIV3_RAID: return "LSILogic v3 MegaRAID"; 4242 case AR_F_NVIDIA_RAID: return "nVidia MediaShield"; 4243 case AR_F_PROMISE_RAID: return "Promise Fasttrak"; 4244 case AR_F_SII_RAID: return "Silicon Image Medley"; 4245 case AR_F_SIS_RAID: return "Silicon Integrated Systems"; 4246 case AR_F_VIA_RAID: return "VIA Tech V-RAID"; 4247 default: return "UNKNOWN"; 4248 } 4249 } 4250 4251 static char * 4252 ata_raid_type(struct ar_softc *rdp) 4253 { 4254 switch (rdp->type) { 4255 case AR_T_JBOD: return "JBOD"; 4256 case AR_T_SPAN: return "SPAN"; 4257 case AR_T_RAID0: return "RAID0"; 4258 case AR_T_RAID1: return "RAID1"; 4259 case AR_T_RAID3: return "RAID3"; 4260 case AR_T_RAID4: return "RAID4"; 4261 case AR_T_RAID5: return "RAID5"; 4262 case AR_T_RAID01: return "RAID0+1"; 4263 default: return "UNKNOWN"; 4264 } 4265 } 4266 4267 static char * 4268 ata_raid_flags(struct ar_softc *rdp) 4269 { 4270 switch (rdp->status & (AR_S_READY | AR_S_DEGRADED | AR_S_REBUILDING)) { 4271 case AR_S_READY: return "READY"; 4272 case AR_S_READY | AR_S_DEGRADED: return "DEGRADED"; 4273 case AR_S_READY | AR_S_REBUILDING: 4274 case AR_S_READY | AR_S_DEGRADED | AR_S_REBUILDING: return "REBUILDING"; 4275 default: return "BROKEN"; 4276 } 4277 } 4278 4279 /* debugging gunk */ 4280 static void 4281 ata_raid_print_meta(struct ar_softc *raid) 4282 { 4283 int i; 4284 4285 kprintf("********** ATA PseudoRAID ar%d Metadata **********\n", raid->lun); 4286 kprintf("=================================================\n"); 4287 kprintf("format %s\n", ata_raid_format(raid)); 4288 kprintf("type %s\n", ata_raid_type(raid)); 4289 kprintf("flags 0x%02x %b\n", raid->status, raid->status, 4290 "\20\3REBUILDING\2DEGRADED\1READY\n"); 4291 kprintf("magic_0 0x%016jx\n", raid->magic_0); 4292 kprintf("magic_1 0x%016jx\n",raid->magic_1); 4293 kprintf("generation %u\n", raid->generation); 4294 kprintf("total_sectors %ju\n", raid->total_sectors); 4295 kprintf("offset_sectors %ju\n", raid->offset_sectors); 4296 kprintf("heads %u\n", raid->heads); 4297 kprintf("sectors %u\n", raid->sectors); 4298 kprintf("cylinders %u\n", raid->cylinders); 4299 kprintf("width %u\n", raid->width); 4300 kprintf("interleave %u\n", raid->interleave); 4301 kprintf("total_disks %u\n", raid->total_disks); 4302 for (i = 0; i < raid->total_disks; i++) { 4303 kprintf(" disk %d: flags = 0x%02x %b\n", i, raid->disks[i].flags, 4304 raid->disks[i].flags, "\20\4ONLINE\3SPARE\2ASSIGNED\1PRESENT\n"); 4305 if (raid->disks[i].dev) { 4306 kprintf(" "); 4307 device_printf(raid->disks[i].dev, " sectors %jd\n", 4308 raid->disks[i].sectors); 4309 } 4310 } 4311 kprintf("=================================================\n"); 4312 } 4313 4314 static char * 4315 ata_raid_adaptec_type(int type) 4316 { 4317 static char buffer[16]; 4318 4319 switch (type) { 4320 case ADP_T_RAID0: return "RAID0"; 4321 case ADP_T_RAID1: return "RAID1"; 4322 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4323 return buffer; 4324 } 4325 } 4326 4327 static void 4328 ata_raid_adaptec_print_meta(struct adaptec_raid_conf *meta) 4329 { 4330 int i; 4331 4332 kprintf("********* ATA Adaptec HostRAID Metadata *********\n"); 4333 kprintf("magic_0 <0x%08x>\n", be32toh(meta->magic_0)); 4334 kprintf("generation 0x%08x\n", be32toh(meta->generation)); 4335 kprintf("dummy_0 0x%04x\n", be16toh(meta->dummy_0)); 4336 kprintf("total_configs %u\n", be16toh(meta->total_configs)); 4337 kprintf("dummy_1 0x%04x\n", be16toh(meta->dummy_1)); 4338 kprintf("checksum 0x%04x\n", be16toh(meta->checksum)); 4339 kprintf("dummy_2 0x%08x\n", be32toh(meta->dummy_2)); 4340 kprintf("dummy_3 0x%08x\n", be32toh(meta->dummy_3)); 4341 kprintf("flags 0x%08x\n", be32toh(meta->flags)); 4342 kprintf("timestamp 0x%08x\n", be32toh(meta->timestamp)); 4343 kprintf("dummy_4 0x%08x 0x%08x 0x%08x 0x%08x\n", 4344 be32toh(meta->dummy_4[0]), be32toh(meta->dummy_4[1]), 4345 be32toh(meta->dummy_4[2]), be32toh(meta->dummy_4[3])); 4346 kprintf("dummy_5 0x%08x 0x%08x 0x%08x 0x%08x\n", 4347 be32toh(meta->dummy_5[0]), be32toh(meta->dummy_5[1]), 4348 be32toh(meta->dummy_5[2]), be32toh(meta->dummy_5[3])); 4349 4350 for (i = 0; i < be16toh(meta->total_configs); i++) { 4351 kprintf(" %d total_disks %u\n", i, 4352 be16toh(meta->configs[i].disk_number)); 4353 kprintf(" %d generation %u\n", i, 4354 be16toh(meta->configs[i].generation)); 4355 kprintf(" %d magic_0 0x%08x\n", i, 4356 be32toh(meta->configs[i].magic_0)); 4357 kprintf(" %d dummy_0 0x%02x\n", i, meta->configs[i].dummy_0); 4358 kprintf(" %d type %s\n", i, 4359 ata_raid_adaptec_type(meta->configs[i].type)); 4360 kprintf(" %d dummy_1 0x%02x\n", i, meta->configs[i].dummy_1); 4361 kprintf(" %d flags %d\n", i, 4362 be32toh(meta->configs[i].flags)); 4363 kprintf(" %d dummy_2 0x%02x\n", i, meta->configs[i].dummy_2); 4364 kprintf(" %d dummy_3 0x%02x\n", i, meta->configs[i].dummy_3); 4365 kprintf(" %d dummy_4 0x%02x\n", i, meta->configs[i].dummy_4); 4366 kprintf(" %d dummy_5 0x%02x\n", i, meta->configs[i].dummy_5); 4367 kprintf(" %d disk_number %u\n", i, 4368 be32toh(meta->configs[i].disk_number)); 4369 kprintf(" %d dummy_6 0x%08x\n", i, 4370 be32toh(meta->configs[i].dummy_6)); 4371 kprintf(" %d sectors %u\n", i, 4372 be32toh(meta->configs[i].sectors)); 4373 kprintf(" %d stripe_shift %u\n", i, 4374 be16toh(meta->configs[i].stripe_shift)); 4375 kprintf(" %d dummy_7 0x%08x\n", i, 4376 be32toh(meta->configs[i].dummy_7)); 4377 kprintf(" %d dummy_8 0x%08x 0x%08x 0x%08x 0x%08x\n", i, 4378 be32toh(meta->configs[i].dummy_8[0]), 4379 be32toh(meta->configs[i].dummy_8[1]), 4380 be32toh(meta->configs[i].dummy_8[2]), 4381 be32toh(meta->configs[i].dummy_8[3])); 4382 kprintf(" %d name <%s>\n", i, meta->configs[i].name); 4383 } 4384 kprintf("magic_1 <0x%08x>\n", be32toh(meta->magic_1)); 4385 kprintf("magic_2 <0x%08x>\n", be32toh(meta->magic_2)); 4386 kprintf("magic_3 <0x%08x>\n", be32toh(meta->magic_3)); 4387 kprintf("magic_4 <0x%08x>\n", be32toh(meta->magic_4)); 4388 kprintf("=================================================\n"); 4389 } 4390 4391 static char * 4392 ata_raid_hptv2_type(int type) 4393 { 4394 static char buffer[16]; 4395 4396 switch (type) { 4397 case HPTV2_T_RAID0: return "RAID0"; 4398 case HPTV2_T_RAID1: return "RAID1"; 4399 case HPTV2_T_RAID01_RAID0: return "RAID01_RAID0"; 4400 case HPTV2_T_SPAN: return "SPAN"; 4401 case HPTV2_T_RAID_3: return "RAID3"; 4402 case HPTV2_T_RAID_5: return "RAID5"; 4403 case HPTV2_T_JBOD: return "JBOD"; 4404 case HPTV2_T_RAID01_RAID1: return "RAID01_RAID1"; 4405 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4406 return buffer; 4407 } 4408 } 4409 4410 static void 4411 ata_raid_hptv2_print_meta(struct hptv2_raid_conf *meta) 4412 { 4413 int i; 4414 4415 kprintf("****** ATA Highpoint V2 RocketRAID Metadata *****\n"); 4416 kprintf("magic 0x%08x\n", meta->magic); 4417 kprintf("magic_0 0x%08x\n", meta->magic_0); 4418 kprintf("magic_1 0x%08x\n", meta->magic_1); 4419 kprintf("order 0x%08x\n", meta->order); 4420 kprintf("array_width %u\n", meta->array_width); 4421 kprintf("stripe_shift %u\n", meta->stripe_shift); 4422 kprintf("type %s\n", ata_raid_hptv2_type(meta->type)); 4423 kprintf("disk_number %u\n", meta->disk_number); 4424 kprintf("total_sectors %u\n", meta->total_sectors); 4425 kprintf("disk_mode 0x%08x\n", meta->disk_mode); 4426 kprintf("boot_mode 0x%08x\n", meta->boot_mode); 4427 kprintf("boot_disk 0x%02x\n", meta->boot_disk); 4428 kprintf("boot_protect 0x%02x\n", meta->boot_protect); 4429 kprintf("log_entries 0x%02x\n", meta->error_log_entries); 4430 kprintf("log_index 0x%02x\n", meta->error_log_index); 4431 if (meta->error_log_entries) { 4432 kprintf(" timestamp reason disk status sectors lba\n"); 4433 for (i = meta->error_log_index; 4434 i < meta->error_log_index + meta->error_log_entries; i++) 4435 kprintf(" 0x%08x 0x%02x 0x%02x 0x%02x 0x%02x 0x%08x\n", 4436 meta->errorlog[i%32].timestamp, 4437 meta->errorlog[i%32].reason, 4438 meta->errorlog[i%32].disk, meta->errorlog[i%32].status, 4439 meta->errorlog[i%32].sectors, meta->errorlog[i%32].lba); 4440 } 4441 kprintf("rebuild_lba 0x%08x\n", meta->rebuild_lba); 4442 kprintf("dummy_1 0x%02x\n", meta->dummy_1); 4443 kprintf("name_1 <%.15s>\n", meta->name_1); 4444 kprintf("dummy_2 0x%02x\n", meta->dummy_2); 4445 kprintf("name_2 <%.15s>\n", meta->name_2); 4446 kprintf("=================================================\n"); 4447 } 4448 4449 static char * 4450 ata_raid_hptv3_type(int type) 4451 { 4452 static char buffer[16]; 4453 4454 switch (type) { 4455 case HPTV3_T_SPARE: return "SPARE"; 4456 case HPTV3_T_JBOD: return "JBOD"; 4457 case HPTV3_T_SPAN: return "SPAN"; 4458 case HPTV3_T_RAID0: return "RAID0"; 4459 case HPTV3_T_RAID1: return "RAID1"; 4460 case HPTV3_T_RAID3: return "RAID3"; 4461 case HPTV3_T_RAID5: return "RAID5"; 4462 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4463 return buffer; 4464 } 4465 } 4466 4467 static void 4468 ata_raid_hptv3_print_meta(struct hptv3_raid_conf *meta) 4469 { 4470 int i; 4471 4472 kprintf("****** ATA Highpoint V3 RocketRAID Metadata *****\n"); 4473 kprintf("magic 0x%08x\n", meta->magic); 4474 kprintf("magic_0 0x%08x\n", meta->magic_0); 4475 kprintf("checksum_0 0x%02x\n", meta->checksum_0); 4476 kprintf("mode 0x%02x\n", meta->mode); 4477 kprintf("user_mode 0x%02x\n", meta->user_mode); 4478 kprintf("config_entries 0x%02x\n", meta->config_entries); 4479 for (i = 0; i < meta->config_entries; i++) { 4480 kprintf("config %d:\n", i); 4481 kprintf(" total_sectors %ju\n", 4482 meta->configs[0].total_sectors + 4483 ((u_int64_t)meta->configs_high[0].total_sectors << 32)); 4484 kprintf(" type %s\n", 4485 ata_raid_hptv3_type(meta->configs[i].type)); 4486 kprintf(" total_disks %u\n", meta->configs[i].total_disks); 4487 kprintf(" disk_number %u\n", meta->configs[i].disk_number); 4488 kprintf(" stripe_shift %u\n", meta->configs[i].stripe_shift); 4489 kprintf(" status %b\n", meta->configs[i].status, 4490 "\20\2RAID5\1NEED_REBUILD\n"); 4491 kprintf(" critical_disks %u\n", meta->configs[i].critical_disks); 4492 kprintf(" rebuild_lba %ju\n", 4493 meta->configs_high[0].rebuild_lba + 4494 ((u_int64_t)meta->configs_high[0].rebuild_lba << 32)); 4495 } 4496 kprintf("name <%.16s>\n", meta->name); 4497 kprintf("timestamp 0x%08x\n", meta->timestamp); 4498 kprintf("description <%.16s>\n", meta->description); 4499 kprintf("creator <%.16s>\n", meta->creator); 4500 kprintf("checksum_1 0x%02x\n", meta->checksum_1); 4501 kprintf("dummy_0 0x%02x\n", meta->dummy_0); 4502 kprintf("dummy_1 0x%02x\n", meta->dummy_1); 4503 kprintf("flags %b\n", meta->flags, 4504 "\20\4RCACHE\3WCACHE\2NCQ\1TCQ\n"); 4505 kprintf("=================================================\n"); 4506 } 4507 4508 static char * 4509 ata_raid_intel_type(int type) 4510 { 4511 static char buffer[16]; 4512 4513 switch (type) { 4514 case INTEL_T_RAID0: return "RAID0"; 4515 case INTEL_T_RAID1: return "RAID1"; 4516 case INTEL_T_RAID5: return "RAID5"; 4517 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4518 return buffer; 4519 } 4520 } 4521 4522 static void 4523 ata_raid_intel_print_meta(struct intel_raid_conf *meta) 4524 { 4525 struct intel_raid_mapping *map; 4526 int i, j; 4527 4528 kprintf("********* ATA Intel MatrixRAID Metadata *********\n"); 4529 kprintf("intel_id <%.24s>\n", meta->intel_id); 4530 kprintf("version <%.6s>\n", meta->version); 4531 kprintf("checksum 0x%08x\n", meta->checksum); 4532 kprintf("config_size 0x%08x\n", meta->config_size); 4533 kprintf("config_id 0x%08x\n", meta->config_id); 4534 kprintf("generation 0x%08x\n", meta->generation); 4535 kprintf("total_disks %u\n", meta->total_disks); 4536 kprintf("total_volumes %u\n", meta->total_volumes); 4537 kprintf("DISK# serial disk_sectors disk_id flags\n"); 4538 for (i = 0; i < meta->total_disks; i++ ) { 4539 kprintf(" %d <%.16s> %u 0x%08x 0x%08x\n", i, 4540 meta->disk[i].serial, meta->disk[i].sectors, 4541 meta->disk[i].id, meta->disk[i].flags); 4542 } 4543 map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks]; 4544 for (j = 0; j < meta->total_volumes; j++) { 4545 kprintf("name %.16s\n", map->name); 4546 kprintf("total_sectors %ju\n", map->total_sectors); 4547 kprintf("state %u\n", map->state); 4548 kprintf("reserved %u\n", map->reserved); 4549 kprintf("offset %u\n", map->offset); 4550 kprintf("disk_sectors %u\n", map->disk_sectors); 4551 kprintf("stripe_count %u\n", map->stripe_count); 4552 kprintf("stripe_sectors %u\n", map->stripe_sectors); 4553 kprintf("status %u\n", map->status); 4554 kprintf("type %s\n", ata_raid_intel_type(map->type)); 4555 kprintf("total_disks %u\n", map->total_disks); 4556 kprintf("magic[0] 0x%02x\n", map->magic[0]); 4557 kprintf("magic[1] 0x%02x\n", map->magic[1]); 4558 kprintf("magic[2] 0x%02x\n", map->magic[2]); 4559 for (i = 0; i < map->total_disks; i++ ) { 4560 kprintf(" disk %d at disk_idx 0x%08x\n", i, map->disk_idx[i]); 4561 } 4562 map = (struct intel_raid_mapping *)&map->disk_idx[map->total_disks]; 4563 } 4564 kprintf("=================================================\n"); 4565 } 4566 4567 static char * 4568 ata_raid_ite_type(int type) 4569 { 4570 static char buffer[16]; 4571 4572 switch (type) { 4573 case ITE_T_RAID0: return "RAID0"; 4574 case ITE_T_RAID1: return "RAID1"; 4575 case ITE_T_RAID01: return "RAID0+1"; 4576 case ITE_T_SPAN: return "SPAN"; 4577 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4578 return buffer; 4579 } 4580 } 4581 4582 static void 4583 ata_raid_ite_print_meta(struct ite_raid_conf *meta) 4584 { 4585 kprintf("*** ATA Integrated Technology Express Metadata **\n"); 4586 kprintf("ite_id <%.40s>\n", meta->ite_id); 4587 kprintf("timestamp_0 %04x/%02x/%02x %02x:%02x:%02x.%02x\n", 4588 *((u_int16_t *)meta->timestamp_0), meta->timestamp_0[2], 4589 meta->timestamp_0[3], meta->timestamp_0[5], meta->timestamp_0[4], 4590 meta->timestamp_0[7], meta->timestamp_0[6]); 4591 kprintf("total_sectors %jd\n", meta->total_sectors); 4592 kprintf("type %s\n", ata_raid_ite_type(meta->type)); 4593 kprintf("stripe_1kblocks %u\n", meta->stripe_1kblocks); 4594 kprintf("timestamp_1 %04x/%02x/%02x %02x:%02x:%02x.%02x\n", 4595 *((u_int16_t *)meta->timestamp_1), meta->timestamp_1[2], 4596 meta->timestamp_1[3], meta->timestamp_1[5], meta->timestamp_1[4], 4597 meta->timestamp_1[7], meta->timestamp_1[6]); 4598 kprintf("stripe_sectors %u\n", meta->stripe_sectors); 4599 kprintf("array_width %u\n", meta->array_width); 4600 kprintf("disk_number %u\n", meta->disk_number); 4601 kprintf("disk_sectors %u\n", meta->disk_sectors); 4602 kprintf("=================================================\n"); 4603 } 4604 4605 static char * 4606 ata_raid_jmicron_type(int type) 4607 { 4608 static char buffer[16]; 4609 4610 switch (type) { 4611 case JM_T_RAID0: return "RAID0"; 4612 case JM_T_RAID1: return "RAID1"; 4613 case JM_T_RAID01: return "RAID0+1"; 4614 case JM_T_JBOD: return "JBOD"; 4615 case JM_T_RAID5: return "RAID5"; 4616 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4617 return buffer; 4618 } 4619 } 4620 4621 static void 4622 ata_raid_jmicron_print_meta(struct jmicron_raid_conf *meta) 4623 { 4624 int i; 4625 4626 kprintf("***** ATA JMicron Technology Corp Metadata ******\n"); 4627 kprintf("signature %.2s\n", meta->signature); 4628 kprintf("version 0x%04x\n", meta->version); 4629 kprintf("checksum 0x%04x\n", meta->checksum); 4630 kprintf("disk_id 0x%08x\n", meta->disk_id); 4631 kprintf("offset 0x%08x\n", meta->offset); 4632 kprintf("disk_sectors_low 0x%08x\n", meta->disk_sectors_low); 4633 kprintf("disk_sectors_high 0x%08x\n", meta->disk_sectors_high); 4634 kprintf("name %.16s\n", meta->name); 4635 kprintf("type %s\n", ata_raid_jmicron_type(meta->type)); 4636 kprintf("stripe_shift %d\n", meta->stripe_shift); 4637 kprintf("flags 0x%04x\n", meta->flags); 4638 kprintf("spare:\n"); 4639 for (i=0; i < 2 && meta->spare[i]; i++) 4640 kprintf(" %d 0x%08x\n", i, meta->spare[i]); 4641 kprintf("disks:\n"); 4642 for (i=0; i < 8 && meta->disks[i]; i++) 4643 kprintf(" %d 0x%08x\n", i, meta->disks[i]); 4644 kprintf("=================================================\n"); 4645 } 4646 4647 static char * 4648 ata_raid_lsiv2_type(int type) 4649 { 4650 static char buffer[16]; 4651 4652 switch (type) { 4653 case LSIV2_T_RAID0: return "RAID0"; 4654 case LSIV2_T_RAID1: return "RAID1"; 4655 case LSIV2_T_SPARE: return "SPARE"; 4656 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4657 return buffer; 4658 } 4659 } 4660 4661 static void 4662 ata_raid_lsiv2_print_meta(struct lsiv2_raid_conf *meta) 4663 { 4664 int i; 4665 4666 kprintf("******* ATA LSILogic V2 MegaRAID Metadata *******\n"); 4667 kprintf("lsi_id <%s>\n", meta->lsi_id); 4668 kprintf("dummy_0 0x%02x\n", meta->dummy_0); 4669 kprintf("flags 0x%02x\n", meta->flags); 4670 kprintf("version 0x%04x\n", meta->version); 4671 kprintf("config_entries 0x%02x\n", meta->config_entries); 4672 kprintf("raid_count 0x%02x\n", meta->raid_count); 4673 kprintf("total_disks 0x%02x\n", meta->total_disks); 4674 kprintf("dummy_1 0x%02x\n", meta->dummy_1); 4675 kprintf("dummy_2 0x%04x\n", meta->dummy_2); 4676 for (i = 0; i < meta->config_entries; i++) { 4677 kprintf(" type %s\n", 4678 ata_raid_lsiv2_type(meta->configs[i].raid.type)); 4679 kprintf(" dummy_0 %02x\n", meta->configs[i].raid.dummy_0); 4680 kprintf(" stripe_sectors %u\n", 4681 meta->configs[i].raid.stripe_sectors); 4682 kprintf(" array_width %u\n", 4683 meta->configs[i].raid.array_width); 4684 kprintf(" disk_count %u\n", meta->configs[i].raid.disk_count); 4685 kprintf(" config_offset %u\n", 4686 meta->configs[i].raid.config_offset); 4687 kprintf(" dummy_1 %u\n", meta->configs[i].raid.dummy_1); 4688 kprintf(" flags %02x\n", meta->configs[i].raid.flags); 4689 kprintf(" total_sectors %u\n", 4690 meta->configs[i].raid.total_sectors); 4691 } 4692 kprintf("disk_number 0x%02x\n", meta->disk_number); 4693 kprintf("raid_number 0x%02x\n", meta->raid_number); 4694 kprintf("timestamp 0x%08x\n", meta->timestamp); 4695 kprintf("=================================================\n"); 4696 } 4697 4698 static char * 4699 ata_raid_lsiv3_type(int type) 4700 { 4701 static char buffer[16]; 4702 4703 switch (type) { 4704 case LSIV3_T_RAID0: return "RAID0"; 4705 case LSIV3_T_RAID1: return "RAID1"; 4706 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4707 return buffer; 4708 } 4709 } 4710 4711 static void 4712 ata_raid_lsiv3_print_meta(struct lsiv3_raid_conf *meta) 4713 { 4714 int i; 4715 4716 kprintf("******* ATA LSILogic V3 MegaRAID Metadata *******\n"); 4717 kprintf("lsi_id <%.6s>\n", meta->lsi_id); 4718 kprintf("dummy_0 0x%04x\n", meta->dummy_0); 4719 kprintf("version 0x%04x\n", meta->version); 4720 kprintf("dummy_0 0x%04x\n", meta->dummy_1); 4721 kprintf("RAID configs:\n"); 4722 for (i = 0; i < 8; i++) { 4723 if (meta->raid[i].total_disks) { 4724 kprintf("%02d stripe_pages %u\n", i, 4725 meta->raid[i].stripe_pages); 4726 kprintf("%02d type %s\n", i, 4727 ata_raid_lsiv3_type(meta->raid[i].type)); 4728 kprintf("%02d total_disks %u\n", i, 4729 meta->raid[i].total_disks); 4730 kprintf("%02d array_width %u\n", i, 4731 meta->raid[i].array_width); 4732 kprintf("%02d sectors %u\n", i, meta->raid[i].sectors); 4733 kprintf("%02d offset %u\n", i, meta->raid[i].offset); 4734 kprintf("%02d device 0x%02x\n", i, 4735 meta->raid[i].device); 4736 } 4737 } 4738 kprintf("DISK configs:\n"); 4739 for (i = 0; i < 6; i++) { 4740 if (meta->disk[i].disk_sectors) { 4741 kprintf("%02d disk_sectors %u\n", i, 4742 meta->disk[i].disk_sectors); 4743 kprintf("%02d flags 0x%02x\n", i, meta->disk[i].flags); 4744 } 4745 } 4746 kprintf("device 0x%02x\n", meta->device); 4747 kprintf("timestamp 0x%08x\n", meta->timestamp); 4748 kprintf("checksum_1 0x%02x\n", meta->checksum_1); 4749 kprintf("=================================================\n"); 4750 } 4751 4752 static char * 4753 ata_raid_nvidia_type(int type) 4754 { 4755 static char buffer[16]; 4756 4757 switch (type) { 4758 case NV_T_SPAN: return "SPAN"; 4759 case NV_T_RAID0: return "RAID0"; 4760 case NV_T_RAID1: return "RAID1"; 4761 case NV_T_RAID3: return "RAID3"; 4762 case NV_T_RAID5: return "RAID5"; 4763 case NV_T_RAID01: return "RAID0+1"; 4764 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4765 return buffer; 4766 } 4767 } 4768 4769 static void 4770 ata_raid_nvidia_print_meta(struct nvidia_raid_conf *meta) 4771 { 4772 kprintf("******** ATA nVidia MediaShield Metadata ********\n"); 4773 kprintf("nvidia_id <%.8s>\n", meta->nvidia_id); 4774 kprintf("config_size %d\n", meta->config_size); 4775 kprintf("checksum 0x%08x\n", meta->checksum); 4776 kprintf("version 0x%04x\n", meta->version); 4777 kprintf("disk_number %d\n", meta->disk_number); 4778 kprintf("dummy_0 0x%02x\n", meta->dummy_0); 4779 kprintf("total_sectors %d\n", meta->total_sectors); 4780 kprintf("sectors_size %d\n", meta->sector_size); 4781 kprintf("serial %.16s\n", meta->serial); 4782 kprintf("revision %.4s\n", meta->revision); 4783 kprintf("dummy_1 0x%08x\n", meta->dummy_1); 4784 kprintf("magic_0 0x%08x\n", meta->magic_0); 4785 kprintf("magic_1 0x%016jx\n", meta->magic_1); 4786 kprintf("magic_2 0x%016jx\n", meta->magic_2); 4787 kprintf("flags 0x%02x\n", meta->flags); 4788 kprintf("array_width %d\n", meta->array_width); 4789 kprintf("total_disks %d\n", meta->total_disks); 4790 kprintf("dummy_2 0x%02x\n", meta->dummy_2); 4791 kprintf("type %s\n", ata_raid_nvidia_type(meta->type)); 4792 kprintf("dummy_3 0x%04x\n", meta->dummy_3); 4793 kprintf("stripe_sectors %d\n", meta->stripe_sectors); 4794 kprintf("stripe_bytes %d\n", meta->stripe_bytes); 4795 kprintf("stripe_shift %d\n", meta->stripe_shift); 4796 kprintf("stripe_mask 0x%08x\n", meta->stripe_mask); 4797 kprintf("stripe_sizesectors %d\n", meta->stripe_sizesectors); 4798 kprintf("stripe_sizebytes %d\n", meta->stripe_sizebytes); 4799 kprintf("rebuild_lba %d\n", meta->rebuild_lba); 4800 kprintf("dummy_4 0x%08x\n", meta->dummy_4); 4801 kprintf("dummy_5 0x%08x\n", meta->dummy_5); 4802 kprintf("status 0x%08x\n", meta->status); 4803 kprintf("=================================================\n"); 4804 } 4805 4806 static char * 4807 ata_raid_promise_type(int type) 4808 { 4809 static char buffer[16]; 4810 4811 switch (type) { 4812 case PR_T_RAID0: return "RAID0"; 4813 case PR_T_RAID1: return "RAID1"; 4814 case PR_T_RAID3: return "RAID3"; 4815 case PR_T_RAID5: return "RAID5"; 4816 case PR_T_SPAN: return "SPAN"; 4817 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4818 return buffer; 4819 } 4820 } 4821 4822 static void 4823 ata_raid_promise_print_meta(struct promise_raid_conf *meta) 4824 { 4825 int i; 4826 4827 kprintf("********* ATA Promise FastTrak Metadata *********\n"); 4828 kprintf("promise_id <%s>\n", meta->promise_id); 4829 kprintf("dummy_0 0x%08x\n", meta->dummy_0); 4830 kprintf("magic_0 0x%016jx\n", meta->magic_0); 4831 kprintf("magic_1 0x%04x\n", meta->magic_1); 4832 kprintf("magic_2 0x%08x\n", meta->magic_2); 4833 kprintf("integrity 0x%08x %b\n", meta->raid.integrity, 4834 meta->raid.integrity, "\20\10VALID\n" ); 4835 kprintf("flags 0x%02x %b\n", 4836 meta->raid.flags, meta->raid.flags, 4837 "\20\10READY\7DOWN\6REDIR\5DUPLICATE\4SPARE" 4838 "\3ASSIGNED\2ONLINE\1VALID\n"); 4839 kprintf("disk_number %d\n", meta->raid.disk_number); 4840 kprintf("channel 0x%02x\n", meta->raid.channel); 4841 kprintf("device 0x%02x\n", meta->raid.device); 4842 kprintf("magic_0 0x%016jx\n", meta->raid.magic_0); 4843 kprintf("disk_offset %u\n", meta->raid.disk_offset); 4844 kprintf("disk_sectors %u\n", meta->raid.disk_sectors); 4845 kprintf("rebuild_lba 0x%08x\n", meta->raid.rebuild_lba); 4846 kprintf("generation 0x%04x\n", meta->raid.generation); 4847 kprintf("status 0x%02x %b\n", 4848 meta->raid.status, meta->raid.status, 4849 "\20\6MARKED\5DEGRADED\4READY\3INITED\2ONLINE\1VALID\n"); 4850 kprintf("type %s\n", ata_raid_promise_type(meta->raid.type)); 4851 kprintf("total_disks %u\n", meta->raid.total_disks); 4852 kprintf("stripe_shift %u\n", meta->raid.stripe_shift); 4853 kprintf("array_width %u\n", meta->raid.array_width); 4854 kprintf("array_number %u\n", meta->raid.array_number); 4855 kprintf("total_sectors %u\n", meta->raid.total_sectors); 4856 kprintf("cylinders %u\n", meta->raid.cylinders); 4857 kprintf("heads %u\n", meta->raid.heads); 4858 kprintf("sectors %u\n", meta->raid.sectors); 4859 kprintf("magic_1 0x%016jx\n", meta->raid.magic_1); 4860 kprintf("DISK# flags dummy_0 channel device magic_0\n"); 4861 for (i = 0; i < 8; i++) { 4862 kprintf(" %d %b 0x%02x 0x%02x 0x%02x ", 4863 i, meta->raid.disk[i].flags, 4864 "\20\10READY\7DOWN\6REDIR\5DUPLICATE\4SPARE" 4865 "\3ASSIGNED\2ONLINE\1VALID\n", meta->raid.disk[i].dummy_0, 4866 meta->raid.disk[i].channel, meta->raid.disk[i].device); 4867 kprintf("0x%016jx\n", meta->raid.disk[i].magic_0); 4868 } 4869 kprintf("checksum 0x%08x\n", meta->checksum); 4870 kprintf("=================================================\n"); 4871 } 4872 4873 static char * 4874 ata_raid_sii_type(int type) 4875 { 4876 static char buffer[16]; 4877 4878 switch (type) { 4879 case SII_T_RAID0: return "RAID0"; 4880 case SII_T_RAID1: return "RAID1"; 4881 case SII_T_RAID01: return "RAID0+1"; 4882 case SII_T_SPARE: return "SPARE"; 4883 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4884 return buffer; 4885 } 4886 } 4887 4888 static void 4889 ata_raid_sii_print_meta(struct sii_raid_conf *meta) 4890 { 4891 kprintf("******* ATA Silicon Image Medley Metadata *******\n"); 4892 kprintf("total_sectors %ju\n", meta->total_sectors); 4893 kprintf("dummy_0 0x%04x\n", meta->dummy_0); 4894 kprintf("dummy_1 0x%04x\n", meta->dummy_1); 4895 kprintf("controller_pci_id 0x%08x\n", meta->controller_pci_id); 4896 kprintf("version_minor 0x%04x\n", meta->version_minor); 4897 kprintf("version_major 0x%04x\n", meta->version_major); 4898 kprintf("timestamp 20%02x/%02x/%02x %02x:%02x:%02x\n", 4899 meta->timestamp[5], meta->timestamp[4], meta->timestamp[3], 4900 meta->timestamp[2], meta->timestamp[1], meta->timestamp[0]); 4901 kprintf("stripe_sectors %u\n", meta->stripe_sectors); 4902 kprintf("dummy_2 0x%04x\n", meta->dummy_2); 4903 kprintf("disk_number %u\n", meta->disk_number); 4904 kprintf("type %s\n", ata_raid_sii_type(meta->type)); 4905 kprintf("raid0_disks %u\n", meta->raid0_disks); 4906 kprintf("raid0_ident %u\n", meta->raid0_ident); 4907 kprintf("raid1_disks %u\n", meta->raid1_disks); 4908 kprintf("raid1_ident %u\n", meta->raid1_ident); 4909 kprintf("rebuild_lba %ju\n", meta->rebuild_lba); 4910 kprintf("generation 0x%08x\n", meta->generation); 4911 kprintf("status 0x%02x %b\n", 4912 meta->status, meta->status, 4913 "\20\1READY\n"); 4914 kprintf("base_raid1_position %02x\n", meta->base_raid1_position); 4915 kprintf("base_raid0_position %02x\n", meta->base_raid0_position); 4916 kprintf("position %02x\n", meta->position); 4917 kprintf("dummy_3 %04x\n", meta->dummy_3); 4918 kprintf("name <%.16s>\n", meta->name); 4919 kprintf("checksum_0 0x%04x\n", meta->checksum_0); 4920 kprintf("checksum_1 0x%04x\n", meta->checksum_1); 4921 kprintf("=================================================\n"); 4922 } 4923 4924 static char * 4925 ata_raid_sis_type(int type) 4926 { 4927 static char buffer[16]; 4928 4929 switch (type) { 4930 case SIS_T_JBOD: return "JBOD"; 4931 case SIS_T_RAID0: return "RAID0"; 4932 case SIS_T_RAID1: return "RAID1"; 4933 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4934 return buffer; 4935 } 4936 } 4937 4938 static void 4939 ata_raid_sis_print_meta(struct sis_raid_conf *meta) 4940 { 4941 kprintf("**** ATA Silicon Integrated Systems Metadata ****\n"); 4942 kprintf("magic 0x%04x\n", meta->magic); 4943 kprintf("disks 0x%02x\n", meta->disks); 4944 kprintf("type %s\n", 4945 ata_raid_sis_type(meta->type_total_disks & SIS_T_MASK)); 4946 kprintf("total_disks %u\n", meta->type_total_disks & SIS_D_MASK); 4947 kprintf("dummy_0 0x%08x\n", meta->dummy_0); 4948 kprintf("controller_pci_id 0x%08x\n", meta->controller_pci_id); 4949 kprintf("stripe_sectors %u\n", meta->stripe_sectors); 4950 kprintf("dummy_1 0x%04x\n", meta->dummy_1); 4951 kprintf("timestamp 0x%08x\n", meta->timestamp); 4952 kprintf("model %.40s\n", meta->model); 4953 kprintf("disk_number %u\n", meta->disk_number); 4954 kprintf("dummy_2 0x%02x 0x%02x 0x%02x\n", 4955 meta->dummy_2[0], meta->dummy_2[1], meta->dummy_2[2]); 4956 kprintf("=================================================\n"); 4957 } 4958 4959 static char * 4960 ata_raid_via_type(int type) 4961 { 4962 static char buffer[16]; 4963 4964 switch (type) { 4965 case VIA_T_RAID0: return "RAID0"; 4966 case VIA_T_RAID1: return "RAID1"; 4967 case VIA_T_RAID5: return "RAID5"; 4968 case VIA_T_RAID01: return "RAID0+1"; 4969 case VIA_T_SPAN: return "SPAN"; 4970 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4971 return buffer; 4972 } 4973 } 4974 4975 static void 4976 ata_raid_via_print_meta(struct via_raid_conf *meta) 4977 { 4978 int i; 4979 4980 kprintf("*************** ATA VIA Metadata ****************\n"); 4981 kprintf("magic 0x%02x\n", meta->magic); 4982 kprintf("dummy_0 0x%02x\n", meta->dummy_0); 4983 kprintf("type %s\n", 4984 ata_raid_via_type(meta->type & VIA_T_MASK)); 4985 kprintf("bootable %d\n", meta->type & VIA_T_BOOTABLE); 4986 kprintf("unknown %d\n", meta->type & VIA_T_UNKNOWN); 4987 kprintf("disk_index 0x%02x\n", meta->disk_index); 4988 kprintf("stripe_layout 0x%02x\n", meta->stripe_layout); 4989 kprintf(" stripe_disks %d\n", meta->stripe_layout & VIA_L_DISKS); 4990 kprintf(" stripe_sectors %d\n", 4991 0x08 << ((meta->stripe_layout & VIA_L_MASK) >> VIA_L_SHIFT)); 4992 kprintf("disk_sectors %ju\n", meta->disk_sectors); 4993 kprintf("disk_id 0x%08x\n", meta->disk_id); 4994 kprintf("DISK# disk_id\n"); 4995 for (i = 0; i < 8; i++) { 4996 if (meta->disks[i]) 4997 kprintf(" %d 0x%08x\n", i, meta->disks[i]); 4998 } 4999 kprintf("checksum 0x%02x\n", meta->checksum); 5000 kprintf("=================================================\n"); 5001 } 5002