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