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