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