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 */ 28 29 #include "opt_ata.h" 30 31 #include <sys/param.h> 32 #include <sys/bio.h> 33 #include <sys/buf.h> 34 #include <sys/buf2.h> 35 #include <sys/bus.h> 36 #include <sys/conf.h> 37 #include <sys/device.h> 38 #include <sys/disk.h> 39 #include <sys/endian.h> 40 #include <sys/libkern.h> 41 #include <sys/malloc.h> 42 #include <sys/module.h> 43 #include <sys/nata.h> 44 #include <sys/spinlock2.h> 45 #include <sys/systm.h> 46 47 #include <vm/pmap.h> 48 49 #include <machine/md_var.h> 50 51 #include <bus/pci/pcivar.h> 52 53 #include "ata-all.h" 54 #include "ata-disk.h" 55 #include "ata-raid.h" 56 #include "ata-pci.h" 57 #include "ata_if.h" 58 59 60 /* device structure */ 61 static d_strategy_t ata_raid_strategy; 62 static d_dump_t ata_raid_dump; 63 static struct dev_ops ar_ops = { 64 { "ar", 0, D_DISK }, 65 .d_open = nullopen, 66 .d_close = nullclose, 67 .d_read = physread, 68 .d_write = physwrite, 69 .d_strategy = ata_raid_strategy, 70 .d_dump = ata_raid_dump, 71 }; 72 73 /* prototypes */ 74 static void ata_raid_done(struct ata_request *request); 75 static void ata_raid_config_changed(struct ar_softc *rdp, int writeback); 76 static int ata_raid_status(struct ata_ioc_raid_config *config); 77 static int ata_raid_create(struct ata_ioc_raid_config *config); 78 static int ata_raid_delete(int array); 79 static int ata_raid_addspare(struct ata_ioc_raid_config *config); 80 static int ata_raid_rebuild(int array); 81 static int ata_raid_read_metadata(device_t subdisk); 82 static int ata_raid_write_metadata(struct ar_softc *rdp); 83 static int ata_raid_wipe_metadata(struct ar_softc *rdp); 84 static int ata_raid_adaptec_read_meta(device_t dev, struct ar_softc **raidp); 85 static int ata_raid_hptv2_read_meta(device_t dev, struct ar_softc **raidp); 86 static int ata_raid_hptv2_write_meta(struct ar_softc *rdp); 87 static int ata_raid_hptv3_read_meta(device_t dev, struct ar_softc **raidp); 88 static int ata_raid_intel_read_meta(device_t dev, struct ar_softc **raidp); 89 static int ata_raid_intel_write_meta(struct ar_softc *rdp); 90 static int ata_raid_ite_read_meta(device_t dev, struct ar_softc **raidp); 91 static int ata_raid_jmicron_read_meta(device_t dev, struct ar_softc **raidp); 92 static int ata_raid_jmicron_write_meta(struct ar_softc *rdp); 93 static int ata_raid_lsiv2_read_meta(device_t dev, struct ar_softc **raidp); 94 static int ata_raid_lsiv3_read_meta(device_t dev, struct ar_softc **raidp); 95 static int ata_raid_nvidia_read_meta(device_t dev, struct ar_softc **raidp); 96 static int ata_raid_promise_read_meta(device_t dev, struct ar_softc **raidp, int native); 97 static int ata_raid_promise_write_meta(struct ar_softc *rdp); 98 static int ata_raid_sii_read_meta(device_t dev, struct ar_softc **raidp); 99 static int ata_raid_sis_read_meta(device_t dev, struct ar_softc **raidp); 100 static int ata_raid_sis_write_meta(struct ar_softc *rdp); 101 static int ata_raid_via_read_meta(device_t dev, struct ar_softc **raidp); 102 static int ata_raid_via_write_meta(struct ar_softc *rdp); 103 static struct ata_request *ata_raid_init_request(struct ar_softc *rdp, struct bio *bio); 104 static int ata_raid_send_request(struct ata_request *request); 105 static int ata_raid_rw(device_t dev, u_int64_t lba, void *data, u_int bcount, int flags); 106 static char * ata_raid_format(struct ar_softc *rdp); 107 static char * ata_raid_type(struct ar_softc *rdp); 108 static char * ata_raid_flags(struct ar_softc *rdp); 109 110 /* debugging only */ 111 static void ata_raid_print_meta(struct ar_softc *meta); 112 static void ata_raid_adaptec_print_meta(struct adaptec_raid_conf *meta); 113 static void ata_raid_hptv2_print_meta(struct hptv2_raid_conf *meta); 114 static void ata_raid_hptv3_print_meta(struct hptv3_raid_conf *meta); 115 static void ata_raid_intel_print_meta(struct intel_raid_conf *meta); 116 static void ata_raid_ite_print_meta(struct ite_raid_conf *meta); 117 static void ata_raid_jmicron_print_meta(struct jmicron_raid_conf *meta); 118 static void ata_raid_lsiv2_print_meta(struct lsiv2_raid_conf *meta); 119 static void ata_raid_lsiv3_print_meta(struct lsiv3_raid_conf *meta); 120 static void ata_raid_nvidia_print_meta(struct nvidia_raid_conf *meta); 121 static void ata_raid_promise_print_meta(struct promise_raid_conf *meta); 122 static void ata_raid_sii_print_meta(struct sii_raid_conf *meta); 123 static void ata_raid_sis_print_meta(struct sis_raid_conf *meta); 124 static void ata_raid_via_print_meta(struct via_raid_conf *meta); 125 126 /* internal vars */ 127 static struct ar_softc *ata_raid_arrays[MAX_ARRAYS]; 128 static MALLOC_DEFINE(M_AR, "ar_driver", "ATA PseudoRAID driver"); 129 static devclass_t ata_raid_sub_devclass; 130 static int testing = 0; 131 132 static void 133 ata_raid_attach(struct ar_softc *rdp, int writeback) 134 { 135 struct disk_info info; 136 cdev_t cdev; 137 char buffer[32]; 138 int disk; 139 140 spin_init(&rdp->lock); 141 ata_raid_config_changed(rdp, writeback); 142 143 /* sanitize arrays total_size % (width * interleave) == 0 */ 144 if (rdp->type == AR_T_RAID0 || rdp->type == AR_T_RAID01 || 145 rdp->type == AR_T_RAID5) { 146 rdp->total_sectors = (rdp->total_sectors/(rdp->interleave*rdp->width))* 147 (rdp->interleave * rdp->width); 148 ksprintf(buffer, " (stripe %d KB)", 149 (rdp->interleave * DEV_BSIZE) / 1024); 150 } 151 else 152 buffer[0] = '\0'; 153 /* XXX TGEN add devstats? */ 154 cdev = disk_create(rdp->lun, &rdp->disk, &ar_ops); 155 cdev->si_drv1 = rdp; 156 cdev->si_iosize_max = 128 * DEV_BSIZE; 157 rdp->cdev = cdev; 158 159 bzero(&info, sizeof(info)); 160 info.d_media_blksize = DEV_BSIZE; /* mandatory */ 161 info.d_media_blocks = rdp->total_sectors; 162 163 info.d_secpertrack = rdp->sectors; /* optional */ 164 info.d_nheads = rdp->heads; 165 info.d_ncylinders = rdp->total_sectors/(rdp->heads*rdp->sectors); 166 info.d_secpercyl = rdp->sectors * rdp->heads; 167 168 kprintf("ar%d: %juMB <%s %s%s> status: %s\n", rdp->lun, 169 rdp->total_sectors / ((1024L * 1024L) / DEV_BSIZE), 170 ata_raid_format(rdp), ata_raid_type(rdp), 171 buffer, ata_raid_flags(rdp)); 172 173 if (testing || bootverbose) 174 kprintf("ar%d: %ju sectors [%dC/%dH/%dS] <%s> subdisks defined as:\n", 175 rdp->lun, rdp->total_sectors, 176 rdp->cylinders, rdp->heads, rdp->sectors, rdp->name); 177 178 for (disk = 0; disk < rdp->total_disks; disk++) { 179 kprintf("ar%d: disk%d ", rdp->lun, disk); 180 if (rdp->disks[disk].dev) { 181 if (rdp->disks[disk].flags & AR_DF_PRESENT) { 182 /* status of this disk in the array */ 183 if (rdp->disks[disk].flags & AR_DF_ONLINE) 184 kprintf("READY "); 185 else if (rdp->disks[disk].flags & AR_DF_SPARE) 186 kprintf("SPARE "); 187 else 188 kprintf("FREE "); 189 190 /* what type of disk is this in the array */ 191 switch (rdp->type) { 192 case AR_T_RAID1: 193 case AR_T_RAID01: 194 if (disk < rdp->width) 195 kprintf("(master) "); 196 else 197 kprintf("(mirror) "); 198 } 199 200 /* which physical disk is used */ 201 kprintf("using %s at ata%d-%s\n", 202 device_get_nameunit(rdp->disks[disk].dev), 203 device_get_unit(device_get_parent(rdp->disks[disk].dev)), 204 (((struct ata_device *) 205 device_get_softc(rdp->disks[disk].dev))->unit == 206 ATA_MASTER) ? "master" : "slave"); 207 } 208 else if (rdp->disks[disk].flags & AR_DF_ASSIGNED) 209 kprintf("DOWN\n"); 210 else 211 kprintf("INVALID no RAID config on this subdisk\n"); 212 } 213 else 214 kprintf("DOWN no device found for this subdisk\n"); 215 } 216 217 disk_setdiskinfo(&rdp->disk, &info); 218 } 219 220 /* 221 * ATA PseudoRAID ioctl function. Note that this does not need to be adjusted 222 * to the dev_ops way, because it's just chained from the generic ata ioctl. 223 */ 224 static int 225 ata_raid_ioctl(u_long cmd, caddr_t data) 226 { 227 struct ata_ioc_raid_config *config = (struct ata_ioc_raid_config *)data; 228 int *lun = (int *)data; 229 int error = EOPNOTSUPP; 230 231 switch (cmd) { 232 case IOCATARAIDSTATUS: 233 error = ata_raid_status(config); 234 break; 235 236 case IOCATARAIDCREATE: 237 error = ata_raid_create(config); 238 break; 239 240 case IOCATARAIDDELETE: 241 error = ata_raid_delete(*lun); 242 break; 243 244 case IOCATARAIDADDSPARE: 245 error = ata_raid_addspare(config); 246 break; 247 248 case IOCATARAIDREBUILD: 249 error = ata_raid_rebuild(*lun); 250 break; 251 } 252 return error; 253 } 254 255 static int 256 ata_raid_flush(struct ar_softc *rdp, struct bio *bp) 257 { 258 struct ata_request *request; 259 device_t dev; 260 int disk, error; 261 262 error = 0; 263 bp->bio_driver_info = NULL; 264 265 for (disk = 0; disk < rdp->total_disks; disk++) { 266 if ((dev = rdp->disks[disk].dev) != NULL) 267 bp->bio_driver_info = (void *)((intptr_t)bp->bio_driver_info + 1); 268 } 269 for (disk = 0; disk < rdp->total_disks; disk++) { 270 if ((dev = rdp->disks[disk].dev) == NULL) 271 continue; 272 if (!(request = ata_raid_init_request(rdp, bp))) 273 return ENOMEM; 274 request->dev = dev; 275 request->u.ata.command = ATA_FLUSHCACHE; 276 request->u.ata.lba = 0; 277 request->u.ata.count = 0; 278 request->u.ata.feature = 0; 279 request->timeout = 1; 280 request->retries = 0; 281 request->flags |= ATA_R_ORDERED | ATA_R_DIRECT; 282 ata_queue_request(request); 283 } 284 return 0; 285 } 286 287 /* 288 * XXX TGEN there are a lot of offset -> block number conversions going on 289 * here, which is suboptimal. 290 */ 291 static int 292 ata_raid_strategy(struct dev_strategy_args *ap) 293 { 294 struct ar_softc *rdp = ap->a_head.a_dev->si_drv1; 295 struct bio *bp = ap->a_bio; 296 struct buf *bbp = bp->bio_buf; 297 struct ata_request *request; 298 caddr_t data; 299 u_int64_t blkno, lba, blk = 0; 300 int count, chunk, drv, par = 0, change = 0; 301 302 if (bbp->b_cmd == BUF_CMD_FLUSH) { 303 int error; 304 305 error = ata_raid_flush(rdp, bp); 306 if (error != 0) { 307 bbp->b_flags |= B_ERROR; 308 bbp->b_error = error; 309 biodone(bp); 310 } 311 return(0); 312 } 313 314 if (!(rdp->status & AR_S_READY) || 315 (bbp->b_cmd != BUF_CMD_READ && bbp->b_cmd != BUF_CMD_WRITE)) { 316 bbp->b_flags |= B_ERROR; 317 bbp->b_error = EIO; 318 biodone(bp); 319 return(0); 320 } 321 322 bbp->b_resid = bbp->b_bcount; 323 for (count = howmany(bbp->b_bcount, DEV_BSIZE), 324 /* bio_offset is byte granularity, convert */ 325 blkno = (u_int64_t)(bp->bio_offset >> DEV_BSHIFT), 326 data = bbp->b_data; 327 count > 0; 328 count -= chunk, blkno += chunk, data += (chunk * DEV_BSIZE)) { 329 330 switch (rdp->type) { 331 case AR_T_RAID1: 332 drv = 0; 333 lba = blkno; 334 chunk = count; 335 break; 336 337 case AR_T_JBOD: 338 case AR_T_SPAN: 339 drv = 0; 340 lba = blkno; 341 while (lba >= rdp->disks[drv].sectors) 342 lba -= rdp->disks[drv++].sectors; 343 chunk = min(rdp->disks[drv].sectors - lba, count); 344 break; 345 346 case AR_T_RAID0: 347 case AR_T_RAID01: 348 chunk = blkno % rdp->interleave; 349 drv = (blkno / rdp->interleave) % rdp->width; 350 lba = (((blkno/rdp->interleave)/rdp->width)*rdp->interleave)+chunk; 351 chunk = min(count, rdp->interleave - chunk); 352 break; 353 354 case AR_T_RAID5: 355 drv = (blkno / rdp->interleave) % (rdp->width - 1); 356 par = rdp->width - 1 - 357 (blkno / (rdp->interleave * (rdp->width - 1))) % rdp->width; 358 if (drv >= par) 359 drv++; 360 lba = ((blkno/rdp->interleave)/(rdp->width-1))*(rdp->interleave) + 361 ((blkno%(rdp->interleave*(rdp->width-1)))%rdp->interleave); 362 chunk = min(count, rdp->interleave - (lba % rdp->interleave)); 363 break; 364 365 default: 366 kprintf("ar%d: unknown array type in ata_raid_strategy\n", rdp->lun); 367 bbp->b_flags |= B_ERROR; 368 bbp->b_error = EIO; 369 biodone(bp); 370 return(0); 371 } 372 373 /* offset on all but "first on HPTv2" */ 374 if (!(drv == 0 && rdp->format == AR_F_HPTV2_RAID)) 375 lba += rdp->offset_sectors; 376 377 if (!(request = ata_raid_init_request(rdp, bp))) { 378 bbp->b_flags |= B_ERROR; 379 bbp->b_error = EIO; 380 biodone(bp); 381 return(0); 382 } 383 request->data = data; 384 request->bytecount = chunk * DEV_BSIZE; 385 request->u.ata.lba = lba; 386 request->u.ata.count = request->bytecount / DEV_BSIZE; 387 388 switch (rdp->type) { 389 case AR_T_JBOD: 390 case AR_T_SPAN: 391 case AR_T_RAID0: 392 if (((rdp->disks[drv].flags & (AR_DF_PRESENT|AR_DF_ONLINE)) == 393 (AR_DF_PRESENT|AR_DF_ONLINE) && !rdp->disks[drv].dev)) { 394 rdp->disks[drv].flags &= ~AR_DF_ONLINE; 395 ata_raid_config_changed(rdp, 1); 396 ata_free_request(request); 397 bbp->b_flags |= B_ERROR; 398 bbp->b_error = EIO; 399 biodone(bp); 400 return(0); 401 } 402 request->this = drv; 403 request->dev = rdp->disks[request->this].dev; 404 ata_raid_send_request(request); 405 break; 406 407 case AR_T_RAID1: 408 case AR_T_RAID01: 409 if ((rdp->disks[drv].flags & 410 (AR_DF_PRESENT|AR_DF_ONLINE))==(AR_DF_PRESENT|AR_DF_ONLINE) && 411 !rdp->disks[drv].dev) { 412 rdp->disks[drv].flags &= ~AR_DF_ONLINE; 413 change = 1; 414 } 415 if ((rdp->disks[drv + rdp->width].flags & 416 (AR_DF_PRESENT|AR_DF_ONLINE))==(AR_DF_PRESENT|AR_DF_ONLINE) && 417 !rdp->disks[drv + rdp->width].dev) { 418 rdp->disks[drv + rdp->width].flags &= ~AR_DF_ONLINE; 419 change = 1; 420 } 421 if (change) 422 ata_raid_config_changed(rdp, 1); 423 if (!(rdp->status & AR_S_READY)) { 424 ata_free_request(request); 425 bbp->b_flags |= B_ERROR; 426 bbp->b_error = EIO; 427 biodone(bp); 428 return(0); 429 } 430 431 if (rdp->status & AR_S_REBUILDING) 432 blk = ((lba / rdp->interleave) * rdp->width) * rdp->interleave + 433 (rdp->interleave * (drv % rdp->width)) + 434 lba % rdp->interleave;; 435 436 if (bbp->b_cmd == BUF_CMD_READ) { 437 int src_online = 438 (rdp->disks[drv].flags & AR_DF_ONLINE); 439 int mir_online = 440 (rdp->disks[drv+rdp->width].flags & AR_DF_ONLINE); 441 442 /* if mirror gone or close to last access on source */ 443 if (!mir_online || 444 ((src_online) && 445 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) >= 446 (rdp->disks[drv].last_lba - AR_PROXIMITY) && 447 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) <= 448 (rdp->disks[drv].last_lba + AR_PROXIMITY))) { 449 rdp->toggle = 0; 450 } 451 /* if source gone or close to last access on mirror */ 452 else if (!src_online || 453 ((mir_online) && 454 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) >= 455 (rdp->disks[drv+rdp->width].last_lba-AR_PROXIMITY) && 456 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) <= 457 (rdp->disks[drv+rdp->width].last_lba+AR_PROXIMITY))) { 458 drv += rdp->width; 459 rdp->toggle = 1; 460 } 461 /* not close to any previous access, toggle */ 462 else { 463 if (rdp->toggle) 464 rdp->toggle = 0; 465 else { 466 drv += rdp->width; 467 rdp->toggle = 1; 468 } 469 } 470 471 if ((rdp->status & AR_S_REBUILDING) && 472 (blk <= rdp->rebuild_lba) && 473 ((blk + chunk) > rdp->rebuild_lba)) { 474 struct ata_composite *composite; 475 struct ata_request *rebuild; 476 int this; 477 478 /* figure out what part to rebuild */ 479 if (drv < rdp->width) 480 this = drv + rdp->width; 481 else 482 this = drv - rdp->width; 483 484 /* do we have a spare to rebuild on ? */ 485 if (rdp->disks[this].flags & AR_DF_SPARE) { 486 if ((composite = ata_alloc_composite())) { 487 if ((rebuild = ata_alloc_request())) { 488 rdp->rebuild_lba = blk + chunk; 489 bcopy(request, rebuild, 490 sizeof(struct ata_request)); 491 rebuild->this = this; 492 rebuild->dev = rdp->disks[this].dev; 493 rebuild->flags &= ~ATA_R_READ; 494 rebuild->flags |= ATA_R_WRITE; 495 spin_init(&composite->lock); 496 composite->residual = request->bytecount; 497 composite->rd_needed |= (1 << drv); 498 composite->wr_depend |= (1 << drv); 499 composite->wr_needed |= (1 << this); 500 composite->request[drv] = request; 501 composite->request[this] = rebuild; 502 request->composite = composite; 503 rebuild->composite = composite; 504 ata_raid_send_request(rebuild); 505 } 506 else { 507 ata_free_composite(composite); 508 kprintf("DOH! ata_alloc_request failed!\n"); 509 } 510 } 511 else { 512 kprintf("DOH! ata_alloc_composite failed!\n"); 513 } 514 } 515 else if (rdp->disks[this].flags & AR_DF_ONLINE) { 516 /* 517 * if we got here we are a chunk of a RAID01 that 518 * does not need a rebuild, but we need to increment 519 * the rebuild_lba address to get the rebuild to 520 * move to the next chunk correctly 521 */ 522 rdp->rebuild_lba = blk + chunk; 523 } 524 else 525 kprintf("DOH! we didn't find the rebuild part\n"); 526 } 527 } 528 if (bbp->b_cmd == BUF_CMD_WRITE) { 529 if ((rdp->disks[drv+rdp->width].flags & AR_DF_ONLINE) || 530 ((rdp->status & AR_S_REBUILDING) && 531 (rdp->disks[drv+rdp->width].flags & AR_DF_SPARE) && 532 ((blk < rdp->rebuild_lba) || 533 ((blk <= rdp->rebuild_lba) && 534 ((blk + chunk) > rdp->rebuild_lba))))) { 535 if ((rdp->disks[drv].flags & AR_DF_ONLINE) || 536 ((rdp->status & AR_S_REBUILDING) && 537 (rdp->disks[drv].flags & AR_DF_SPARE) && 538 ((blk < rdp->rebuild_lba) || 539 ((blk <= rdp->rebuild_lba) && 540 ((blk + chunk) > rdp->rebuild_lba))))) { 541 struct ata_request *mirror; 542 struct ata_composite *composite; 543 int this = drv + rdp->width; 544 545 if ((composite = ata_alloc_composite())) { 546 if ((mirror = ata_alloc_request())) { 547 if ((blk <= rdp->rebuild_lba) && 548 ((blk + chunk) > rdp->rebuild_lba)) 549 rdp->rebuild_lba = blk + chunk; 550 bcopy(request, mirror, 551 sizeof(struct ata_request)); 552 mirror->this = this; 553 mirror->dev = rdp->disks[this].dev; 554 spin_init(&composite->lock); 555 composite->residual = request->bytecount; 556 composite->wr_needed |= (1 << drv); 557 composite->wr_needed |= (1 << this); 558 composite->request[drv] = request; 559 composite->request[this] = mirror; 560 request->composite = composite; 561 mirror->composite = composite; 562 ata_raid_send_request(mirror); 563 rdp->disks[this].last_lba = 564 (u_int64_t)(bp->bio_offset >> DEV_BSHIFT) + 565 chunk; 566 } 567 else { 568 ata_free_composite(composite); 569 kprintf("DOH! ata_alloc_request failed!\n"); 570 } 571 } 572 else { 573 kprintf("DOH! ata_alloc_composite failed!\n"); 574 } 575 } 576 else 577 drv += rdp->width; 578 } 579 } 580 request->this = drv; 581 request->dev = rdp->disks[request->this].dev; 582 ata_raid_send_request(request); 583 rdp->disks[request->this].last_lba = 584 ((u_int64_t)(bp->bio_offset) >> DEV_BSHIFT) + chunk; 585 break; 586 587 case AR_T_RAID5: 588 if (((rdp->disks[drv].flags & (AR_DF_PRESENT|AR_DF_ONLINE)) == 589 (AR_DF_PRESENT|AR_DF_ONLINE) && !rdp->disks[drv].dev)) { 590 rdp->disks[drv].flags &= ~AR_DF_ONLINE; 591 change = 1; 592 } 593 if (((rdp->disks[par].flags & (AR_DF_PRESENT|AR_DF_ONLINE)) == 594 (AR_DF_PRESENT|AR_DF_ONLINE) && !rdp->disks[par].dev)) { 595 rdp->disks[par].flags &= ~AR_DF_ONLINE; 596 change = 1; 597 } 598 if (change) 599 ata_raid_config_changed(rdp, 1); 600 if (!(rdp->status & AR_S_READY)) { 601 ata_free_request(request); 602 bbp->b_flags |= B_ERROR; 603 bbp->b_error = EIO; 604 biodone(bp); 605 return(0); 606 } 607 if (rdp->status & AR_S_DEGRADED) { 608 /* do the XOR game if possible */ 609 } 610 else { 611 request->this = drv; 612 request->dev = rdp->disks[request->this].dev; 613 if (bbp->b_cmd == BUF_CMD_READ) { 614 ata_raid_send_request(request); 615 } 616 if (bbp->b_cmd == BUF_CMD_WRITE) { 617 ata_raid_send_request(request); 618 /* XXX TGEN no, I don't speak Danish either */ 619 /* 620 * sikre at l�s-modify-skriv til hver disk er atomarisk. 621 * par kopi af request 622 * l�se orgdata fra drv 623 * skriv nydata til drv 624 * l�se parorgdata fra par 625 * skriv orgdata xor parorgdata xor nydata til par 626 */ 627 } 628 } 629 break; 630 631 default: 632 kprintf("ar%d: unknown array type in ata_raid_strategy\n", rdp->lun); 633 } 634 } 635 636 return(0); 637 } 638 639 static void 640 ata_raid_done(struct ata_request *request) 641 { 642 struct ar_softc *rdp = request->driver; 643 struct ata_composite *composite = NULL; 644 struct bio *bp = request->bio; 645 struct buf *bbp = bp->bio_buf; 646 int i, mirror, finished = 0; 647 648 if (bbp->b_cmd == BUF_CMD_FLUSH) { 649 if (bbp->b_error == 0) 650 bbp->b_error = request->result; 651 ata_free_request(request); 652 bp->bio_driver_info = (void *)((intptr_t)bp->bio_driver_info - 1); 653 if ((intptr_t)bp->bio_driver_info == 0) { 654 if (bbp->b_error) 655 bbp->b_flags |= B_ERROR; 656 biodone(bp); 657 } 658 return; 659 } 660 661 switch (rdp->type) { 662 case AR_T_JBOD: 663 case AR_T_SPAN: 664 case AR_T_RAID0: 665 if (request->result) { 666 rdp->disks[request->this].flags &= ~AR_DF_ONLINE; 667 ata_raid_config_changed(rdp, 1); 668 bbp->b_error = request->result; 669 finished = 1; 670 } 671 else { 672 bbp->b_resid -= request->donecount; 673 if (!bbp->b_resid) 674 finished = 1; 675 } 676 break; 677 678 case AR_T_RAID1: 679 case AR_T_RAID01: 680 if (request->this < rdp->width) 681 mirror = request->this + rdp->width; 682 else 683 mirror = request->this - rdp->width; 684 if (request->result) { 685 rdp->disks[request->this].flags &= ~AR_DF_ONLINE; 686 ata_raid_config_changed(rdp, 1); 687 } 688 if (rdp->status & AR_S_READY) { 689 u_int64_t blk = 0; 690 691 if (rdp->status & AR_S_REBUILDING) 692 blk = ((request->u.ata.lba / rdp->interleave) * rdp->width) * 693 rdp->interleave + (rdp->interleave * 694 (request->this % rdp->width)) + 695 request->u.ata.lba % rdp->interleave; 696 697 if (bbp->b_cmd == BUF_CMD_READ) { 698 699 /* is this a rebuild composite */ 700 if ((composite = request->composite)) { 701 spin_lock(&composite->lock); 702 703 /* handle the read part of a rebuild composite */ 704 if (request->flags & ATA_R_READ) { 705 706 /* if read failed array is now broken */ 707 if (request->result) { 708 rdp->disks[request->this].flags &= ~AR_DF_ONLINE; 709 ata_raid_config_changed(rdp, 1); 710 bbp->b_error = request->result; 711 rdp->rebuild_lba = blk; 712 finished = 1; 713 } 714 715 /* good data, update how far we've gotten */ 716 else { 717 bbp->b_resid -= request->donecount; 718 composite->residual -= request->donecount; 719 if (!composite->residual) { 720 if (composite->wr_done & (1 << mirror)) 721 finished = 1; 722 } 723 } 724 } 725 726 /* handle the write part of a rebuild composite */ 727 else if (request->flags & ATA_R_WRITE) { 728 if (composite->rd_done & (1 << mirror)) { 729 if (request->result) { 730 kprintf("DOH! rebuild failed\n"); /* XXX SOS */ 731 rdp->rebuild_lba = blk; 732 } 733 if (!composite->residual) 734 finished = 1; 735 } 736 } 737 spin_unlock(&composite->lock); 738 } 739 740 /* if read failed retry on the mirror */ 741 else if (request->result) { 742 request->dev = rdp->disks[mirror].dev; 743 request->flags &= ~ATA_R_TIMEOUT; 744 ata_raid_send_request(request); 745 return; 746 } 747 748 /* we have good data */ 749 else { 750 bbp->b_resid -= request->donecount; 751 if (!bbp->b_resid) 752 finished = 1; 753 } 754 } 755 else if (bbp->b_cmd == BUF_CMD_WRITE) { 756 /* do we have a mirror or rebuild to deal with ? */ 757 if ((composite = request->composite)) { 758 spin_lock(&composite->lock); 759 if (composite->wr_done & (1 << mirror)) { 760 if (request->result) { 761 if (composite->request[mirror]->result) { 762 kprintf("DOH! all disks failed and got here\n"); 763 bbp->b_error = EIO; 764 } 765 if (rdp->status & AR_S_REBUILDING) { 766 rdp->rebuild_lba = blk; 767 kprintf("DOH! rebuild failed\n"); /* XXX SOS */ 768 } 769 bbp->b_resid -= 770 composite->request[mirror]->donecount; 771 composite->residual -= 772 composite->request[mirror]->donecount; 773 } 774 else { 775 bbp->b_resid -= request->donecount; 776 composite->residual -= request->donecount; 777 } 778 if (!composite->residual) 779 finished = 1; 780 } 781 spin_unlock(&composite->lock); 782 } 783 /* no mirror we are done */ 784 else { 785 bbp->b_resid -= request->donecount; 786 if (!bbp->b_resid) 787 finished = 1; 788 } 789 } 790 } 791 else { 792 /* XXX TGEN bbp->b_flags |= B_ERROR; */ 793 bbp->b_error = request->result; 794 biodone(bp); 795 } 796 break; 797 798 case AR_T_RAID5: 799 if (request->result) { 800 rdp->disks[request->this].flags &= ~AR_DF_ONLINE; 801 ata_raid_config_changed(rdp, 1); 802 if (rdp->status & AR_S_READY) { 803 if (bbp->b_cmd == BUF_CMD_READ) { 804 /* do the XOR game to recover data */ 805 } 806 if (bbp->b_cmd == BUF_CMD_WRITE) { 807 /* if the parity failed we're OK sortof */ 808 /* otherwise wee need to do the XOR long dance */ 809 } 810 finished = 1; 811 } 812 else { 813 /* XXX TGEN bbp->b_flags |= B_ERROR; */ 814 bbp->b_error = request->result; 815 biodone(bp); 816 } 817 } 818 else { 819 /* did we have an XOR game going ?? */ 820 bbp->b_resid -= request->donecount; 821 if (!bbp->b_resid) 822 finished = 1; 823 } 824 break; 825 826 default: 827 kprintf("ar%d: unknown array type in ata_raid_done\n", rdp->lun); 828 } 829 830 if (finished) { 831 if ((rdp->status & AR_S_REBUILDING) && 832 rdp->rebuild_lba >= rdp->total_sectors) { 833 int disk; 834 835 for (disk = 0; disk < rdp->total_disks; disk++) { 836 if ((rdp->disks[disk].flags & 837 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE)) == 838 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE)) { 839 rdp->disks[disk].flags &= ~AR_DF_SPARE; 840 rdp->disks[disk].flags |= AR_DF_ONLINE; 841 } 842 } 843 rdp->status &= ~AR_S_REBUILDING; 844 ata_raid_config_changed(rdp, 1); 845 } 846 if (!bbp->b_resid) 847 biodone(bp); 848 } 849 850 if (composite) { 851 if (finished) { 852 /* we are done with this composite, free all resources */ 853 for (i = 0; i < 32; i++) { 854 if (composite->rd_needed & (1 << i) || 855 composite->wr_needed & (1 << i)) { 856 ata_free_request(composite->request[i]); 857 } 858 } 859 spin_uninit(&composite->lock); 860 ata_free_composite(composite); 861 } 862 } 863 else 864 ata_free_request(request); 865 } 866 867 static int 868 ata_raid_dump(struct dev_dump_args *ap) 869 { 870 struct ar_softc *rdp = ap->a_head.a_dev->si_drv1; 871 struct buf dbuf; 872 int error = 0; 873 int disk; 874 875 if (ap->a_length == 0) { 876 /* flush subdisk buffers to media */ 877 for (disk = 0, error = 0; disk < rdp->total_disks; disk++) { 878 if (rdp->disks[disk].dev) { 879 error |= ata_controlcmd(rdp->disks[disk].dev, 880 ATA_FLUSHCACHE, 0, 0, 0); 881 } 882 } 883 return (error ? EIO : 0); 884 } 885 886 bzero(&dbuf, sizeof(struct buf)); 887 initbufbio(&dbuf); 888 BUF_LOCK(&dbuf, LK_EXCLUSIVE); 889 /* bio_offset is byte granularity, convert block granularity a_blkno */ 890 dbuf.b_bio1.bio_offset = ap->a_offset; 891 dbuf.b_bio1.bio_caller_info1.ptr = (void *)rdp; 892 dbuf.b_bio1.bio_flags |= BIO_SYNC; 893 dbuf.b_bio1.bio_done = biodone_sync; 894 dbuf.b_bcount = ap->a_length; 895 dbuf.b_data = ap->a_virtual; 896 dbuf.b_cmd = BUF_CMD_WRITE; 897 dev_dstrategy(rdp->cdev, &dbuf.b_bio1); 898 /* wait for completion, unlock the buffer, check status */ 899 if (biowait(&dbuf.b_bio1, "dumpw")) { 900 BUF_UNLOCK(&dbuf); 901 return(dbuf.b_error ? dbuf.b_error : EIO); 902 } 903 BUF_UNLOCK(&dbuf); 904 uninitbufbio(&dbuf); 905 906 return 0; 907 } 908 909 static void 910 ata_raid_config_changed(struct ar_softc *rdp, int writeback) 911 { 912 int disk, count, status; 913 914 spin_lock(&rdp->lock); 915 /* set default all working mode */ 916 status = rdp->status; 917 rdp->status &= ~AR_S_DEGRADED; 918 rdp->status |= AR_S_READY; 919 920 /* make sure all lost drives are accounted for */ 921 for (disk = 0; disk < rdp->total_disks; disk++) { 922 if (!(rdp->disks[disk].flags & AR_DF_PRESENT)) 923 rdp->disks[disk].flags &= ~AR_DF_ONLINE; 924 } 925 926 /* depending on RAID type figure out our health status */ 927 switch (rdp->type) { 928 case AR_T_JBOD: 929 case AR_T_SPAN: 930 case AR_T_RAID0: 931 for (disk = 0; disk < rdp->total_disks; disk++) 932 if (!(rdp->disks[disk].flags & AR_DF_ONLINE)) 933 rdp->status &= ~AR_S_READY; 934 break; 935 936 case AR_T_RAID1: 937 case AR_T_RAID01: 938 for (disk = 0; disk < rdp->width; disk++) { 939 if (!(rdp->disks[disk].flags & AR_DF_ONLINE) && 940 !(rdp->disks[disk + rdp->width].flags & AR_DF_ONLINE)) { 941 rdp->status &= ~AR_S_READY; 942 } 943 else if (((rdp->disks[disk].flags & AR_DF_ONLINE) && 944 !(rdp->disks[disk + rdp->width].flags & AR_DF_ONLINE)) || 945 (!(rdp->disks[disk].flags & AR_DF_ONLINE) && 946 (rdp->disks [disk + rdp->width].flags & AR_DF_ONLINE))) { 947 rdp->status |= AR_S_DEGRADED; 948 } 949 } 950 break; 951 952 case AR_T_RAID5: 953 for (count = 0, disk = 0; disk < rdp->total_disks; disk++) { 954 if (!(rdp->disks[disk].flags & AR_DF_ONLINE)) 955 count++; 956 } 957 if (count) { 958 if (count > 1) 959 rdp->status &= ~AR_S_READY; 960 else 961 rdp->status |= AR_S_DEGRADED; 962 } 963 break; 964 default: 965 rdp->status &= ~AR_S_READY; 966 } 967 968 /* 969 * Note that when the array breaks so comes up broken we 970 * force a write of the array config to the remaining 971 * drives so that the generation will be incremented past 972 * those of the missing or failed drives (in all cases). 973 */ 974 if (rdp->status != status) { 975 if (!(rdp->status & AR_S_READY)) { 976 kprintf("ar%d: FAILURE - %s array broken\n", 977 rdp->lun, ata_raid_type(rdp)); 978 writeback = 1; 979 } 980 else if (rdp->status & AR_S_DEGRADED) { 981 if (rdp->type & (AR_T_RAID1 | AR_T_RAID01)) 982 kprintf("ar%d: WARNING - mirror", rdp->lun); 983 else 984 kprintf("ar%d: WARNING - parity", rdp->lun); 985 kprintf(" protection lost. %s array in DEGRADED mode\n", 986 ata_raid_type(rdp)); 987 writeback = 1; 988 } 989 } 990 spin_unlock(&rdp->lock); 991 if (writeback) 992 ata_raid_write_metadata(rdp); 993 994 } 995 996 static int 997 ata_raid_status(struct ata_ioc_raid_config *config) 998 { 999 struct ar_softc *rdp; 1000 int i; 1001 1002 if (!(rdp = ata_raid_arrays[config->lun])) 1003 return ENXIO; 1004 1005 config->type = rdp->type; 1006 config->total_disks = rdp->total_disks; 1007 for (i = 0; i < rdp->total_disks; i++ ) { 1008 if ((rdp->disks[i].flags & AR_DF_PRESENT) && rdp->disks[i].dev) 1009 config->disks[i] = device_get_unit(rdp->disks[i].dev); 1010 else 1011 config->disks[i] = -1; 1012 } 1013 config->interleave = rdp->interleave; 1014 config->status = rdp->status; 1015 config->progress = 100 * rdp->rebuild_lba / rdp->total_sectors; 1016 return 0; 1017 } 1018 1019 static int 1020 ata_raid_create(struct ata_ioc_raid_config *config) 1021 { 1022 struct ar_softc *rdp; 1023 device_t subdisk; 1024 int array, disk; 1025 int ctlr = 0, disk_size = 0, total_disks = 0; 1026 device_t gpdev; 1027 1028 for (array = 0; array < MAX_ARRAYS; array++) { 1029 if (!ata_raid_arrays[array]) 1030 break; 1031 } 1032 if (array >= MAX_ARRAYS) 1033 return ENOSPC; 1034 1035 rdp = (struct ar_softc*)kmalloc(sizeof(struct ar_softc), M_AR, 1036 M_WAITOK | M_ZERO); 1037 1038 for (disk = 0; disk < config->total_disks; disk++) { 1039 if ((subdisk = devclass_get_device(ata_raid_sub_devclass, 1040 config->disks[disk]))) { 1041 struct ata_raid_subdisk *ars = device_get_softc(subdisk); 1042 1043 /* is device already assigned to another array ? */ 1044 if (ars->raid[rdp->volume]) { 1045 config->disks[disk] = -1; 1046 kfree(rdp, M_AR); 1047 return EBUSY; 1048 } 1049 rdp->disks[disk].dev = device_get_parent(subdisk); 1050 1051 gpdev = GRANDPARENT(rdp->disks[disk].dev); 1052 1053 switch (pci_get_vendor(gpdev)) { 1054 case ATA_HIGHPOINT_ID: 1055 /* 1056 * we need some way to decide if it should be v2 or v3 1057 * for now just use v2 since the v3 BIOS knows how to 1058 * handle that as well. 1059 */ 1060 ctlr = AR_F_HPTV2_RAID; 1061 rdp->disks[disk].sectors = HPTV3_LBA(rdp->disks[disk].dev); 1062 break; 1063 1064 case ATA_INTEL_ID: 1065 ctlr = AR_F_INTEL_RAID; 1066 rdp->disks[disk].sectors = INTEL_LBA(rdp->disks[disk].dev); 1067 break; 1068 1069 case ATA_ITE_ID: 1070 ctlr = AR_F_ITE_RAID; 1071 rdp->disks[disk].sectors = ITE_LBA(rdp->disks[disk].dev); 1072 break; 1073 1074 case ATA_JMICRON_ID: 1075 ctlr = AR_F_JMICRON_RAID; 1076 rdp->disks[disk].sectors = JMICRON_LBA(rdp->disks[disk].dev); 1077 break; 1078 1079 case 0: /* XXX SOS cover up for bug in our PCI code */ 1080 case ATA_PROMISE_ID: 1081 ctlr = AR_F_PROMISE_RAID; 1082 rdp->disks[disk].sectors = PROMISE_LBA(rdp->disks[disk].dev); 1083 break; 1084 1085 case ATA_SIS_ID: 1086 ctlr = AR_F_SIS_RAID; 1087 rdp->disks[disk].sectors = SIS_LBA(rdp->disks[disk].dev); 1088 break; 1089 1090 case ATA_ATI_ID: 1091 case ATA_VIA_ID: 1092 ctlr = AR_F_VIA_RAID; 1093 rdp->disks[disk].sectors = VIA_LBA(rdp->disks[disk].dev); 1094 break; 1095 1096 default: 1097 /* XXX SOS 1098 * right, so here we are, we have an ATA chip and we want 1099 * to create a RAID and store the metadata. 1100 * we need to find a way to tell what kind of metadata this 1101 * hardware's BIOS might be using (good ideas are welcomed) 1102 * for now we just use our own native FreeBSD format. 1103 * the only way to get support for the BIOS format is to 1104 * setup the RAID from there, in that case we pickup the 1105 * metadata format from the disks (if we support it). 1106 */ 1107 kprintf("WARNING!! - not able to determine metadata format\n" 1108 "WARNING!! - Using FreeBSD PseudoRAID metadata\n" 1109 "If that is not what you want, use the BIOS to " 1110 "create the array\n"); 1111 ctlr = AR_F_FREEBSD_RAID; 1112 rdp->disks[disk].sectors = PROMISE_LBA(rdp->disks[disk].dev); 1113 break; 1114 } 1115 1116 /* we need all disks to be of the same format */ 1117 if ((rdp->format & AR_F_FORMAT_MASK) && 1118 (rdp->format & AR_F_FORMAT_MASK) != (ctlr & AR_F_FORMAT_MASK)) { 1119 kfree(rdp, M_AR); 1120 return EXDEV; 1121 } 1122 else 1123 rdp->format = ctlr; 1124 1125 /* use the smallest disk of the lots size */ 1126 /* gigabyte boundry ??? XXX SOS */ 1127 if (disk_size) 1128 disk_size = min(rdp->disks[disk].sectors, disk_size); 1129 else 1130 disk_size = rdp->disks[disk].sectors; 1131 rdp->disks[disk].flags = 1132 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 1133 1134 total_disks++; 1135 } 1136 else { 1137 config->disks[disk] = -1; 1138 kfree(rdp, M_AR); 1139 return ENXIO; 1140 } 1141 } 1142 1143 if (total_disks != config->total_disks) { 1144 kfree(rdp, M_AR); 1145 return ENODEV; 1146 } 1147 1148 switch (config->type) { 1149 case AR_T_JBOD: 1150 case AR_T_SPAN: 1151 case AR_T_RAID0: 1152 break; 1153 1154 case AR_T_RAID1: 1155 if (total_disks != 2) { 1156 kfree(rdp, M_AR); 1157 return EPERM; 1158 } 1159 break; 1160 1161 case AR_T_RAID01: 1162 if (total_disks % 2 != 0) { 1163 kfree(rdp, M_AR); 1164 return EPERM; 1165 } 1166 break; 1167 1168 case AR_T_RAID5: 1169 if (total_disks < 3) { 1170 kfree(rdp, M_AR); 1171 return EPERM; 1172 } 1173 break; 1174 1175 default: 1176 kfree(rdp, M_AR); 1177 return EOPNOTSUPP; 1178 } 1179 rdp->type = config->type; 1180 rdp->lun = array; 1181 if (rdp->type == AR_T_RAID0 || rdp->type == AR_T_RAID01 || 1182 rdp->type == AR_T_RAID5) { 1183 int bit = 0; 1184 1185 while (config->interleave >>= 1) 1186 bit++; 1187 rdp->interleave = 1 << bit; 1188 } 1189 rdp->offset_sectors = 0; 1190 1191 /* values that depend on metadata format */ 1192 switch (rdp->format) { 1193 case AR_F_ADAPTEC_RAID: 1194 rdp->interleave = min(max(32, rdp->interleave), 128); /*+*/ 1195 break; 1196 1197 case AR_F_HPTV2_RAID: 1198 rdp->interleave = min(max(8, rdp->interleave), 128); /*+*/ 1199 rdp->offset_sectors = HPTV2_LBA(x) + 1; 1200 break; 1201 1202 case AR_F_HPTV3_RAID: 1203 rdp->interleave = min(max(32, rdp->interleave), 4096); /*+*/ 1204 break; 1205 1206 case AR_F_INTEL_RAID: 1207 rdp->interleave = min(max(8, rdp->interleave), 256); /*+*/ 1208 break; 1209 1210 case AR_F_ITE_RAID: 1211 rdp->interleave = min(max(2, rdp->interleave), 128); /*+*/ 1212 break; 1213 1214 case AR_F_JMICRON_RAID: 1215 rdp->interleave = min(max(8, rdp->interleave), 256); /*+*/ 1216 break; 1217 1218 case AR_F_LSIV2_RAID: 1219 rdp->interleave = min(max(2, rdp->interleave), 4096); 1220 break; 1221 1222 case AR_F_LSIV3_RAID: 1223 rdp->interleave = min(max(2, rdp->interleave), 256); 1224 break; 1225 1226 case AR_F_PROMISE_RAID: 1227 rdp->interleave = min(max(2, rdp->interleave), 2048); /*+*/ 1228 break; 1229 1230 case AR_F_SII_RAID: 1231 rdp->interleave = min(max(8, rdp->interleave), 256); /*+*/ 1232 break; 1233 1234 case AR_F_SIS_RAID: 1235 rdp->interleave = min(max(32, rdp->interleave), 512); /*+*/ 1236 break; 1237 1238 case AR_F_VIA_RAID: 1239 rdp->interleave = min(max(8, rdp->interleave), 128); /*+*/ 1240 break; 1241 } 1242 1243 rdp->total_disks = total_disks; 1244 rdp->width = total_disks / (rdp->type & (AR_RAID1 | AR_T_RAID01) ? 2 : 1); 1245 rdp->total_sectors = disk_size * (rdp->width - (rdp->type == AR_RAID5)); 1246 rdp->heads = 255; 1247 rdp->sectors = 63; 1248 rdp->cylinders = rdp->total_sectors / (255 * 63); 1249 rdp->rebuild_lba = 0; 1250 rdp->status |= AR_S_READY; 1251 1252 /* we are committed to this array, grap the subdisks */ 1253 for (disk = 0; disk < config->total_disks; disk++) { 1254 if ((subdisk = devclass_get_device(ata_raid_sub_devclass, 1255 config->disks[disk]))) { 1256 struct ata_raid_subdisk *ars = device_get_softc(subdisk); 1257 1258 ars->raid[rdp->volume] = rdp; 1259 ars->disk_number[rdp->volume] = disk; 1260 } 1261 } 1262 ata_raid_attach(rdp, 1); 1263 ata_raid_arrays[array] = rdp; 1264 config->lun = array; 1265 return 0; 1266 } 1267 1268 static int 1269 ata_raid_delete(int array) 1270 { 1271 struct ar_softc *rdp; 1272 device_t subdisk; 1273 int disk; 1274 1275 if (!(rdp = ata_raid_arrays[array])) 1276 return ENXIO; 1277 1278 rdp->status &= ~AR_S_READY; 1279 disk_destroy(&rdp->disk); 1280 1281 for (disk = 0; disk < rdp->total_disks; disk++) { 1282 if ((rdp->disks[disk].flags & AR_DF_PRESENT) && rdp->disks[disk].dev) { 1283 if ((subdisk = devclass_get_device(ata_raid_sub_devclass, 1284 device_get_unit(rdp->disks[disk].dev)))) { 1285 struct ata_raid_subdisk *ars = device_get_softc(subdisk); 1286 1287 if (ars->raid[rdp->volume] != rdp) /* XXX SOS */ 1288 device_printf(subdisk, "DOH! this disk doesn't belong\n"); 1289 if (ars->disk_number[rdp->volume] != disk) /* XXX SOS */ 1290 device_printf(subdisk, "DOH! this disk number is wrong\n"); 1291 ars->raid[rdp->volume] = NULL; 1292 ars->disk_number[rdp->volume] = -1; 1293 } 1294 rdp->disks[disk].flags = 0; 1295 } 1296 } 1297 ata_raid_wipe_metadata(rdp); 1298 ata_raid_arrays[array] = NULL; 1299 kfree(rdp, M_AR); 1300 return 0; 1301 } 1302 1303 static int 1304 ata_raid_addspare(struct ata_ioc_raid_config *config) 1305 { 1306 struct ar_softc *rdp; 1307 device_t subdisk; 1308 int disk; 1309 1310 if (!(rdp = ata_raid_arrays[config->lun])) 1311 return ENXIO; 1312 if (!(rdp->status & AR_S_DEGRADED) || !(rdp->status & AR_S_READY)) 1313 return ENXIO; 1314 if (rdp->status & AR_S_REBUILDING) 1315 return EBUSY; 1316 switch (rdp->type) { 1317 case AR_T_RAID1: 1318 case AR_T_RAID01: 1319 case AR_T_RAID5: 1320 for (disk = 0; disk < rdp->total_disks; disk++ ) { 1321 1322 if (((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) == 1323 (AR_DF_PRESENT | AR_DF_ONLINE)) && rdp->disks[disk].dev) 1324 continue; 1325 1326 if ((subdisk = devclass_get_device(ata_raid_sub_devclass, 1327 config->disks[0] ))) { 1328 struct ata_raid_subdisk *ars = device_get_softc(subdisk); 1329 1330 if (ars->raid[rdp->volume]) 1331 return EBUSY; 1332 1333 /* XXX SOS validate size etc etc */ 1334 ars->raid[rdp->volume] = rdp; 1335 ars->disk_number[rdp->volume] = disk; 1336 rdp->disks[disk].dev = device_get_parent(subdisk); 1337 rdp->disks[disk].flags = 1338 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE); 1339 1340 device_printf(rdp->disks[disk].dev, 1341 "inserted into ar%d disk%d as spare\n", 1342 rdp->lun, disk); 1343 ata_raid_config_changed(rdp, 1); 1344 return 0; 1345 } 1346 } 1347 return ENXIO; 1348 1349 default: 1350 return EPERM; 1351 } 1352 } 1353 1354 static int 1355 ata_raid_rebuild(int array) 1356 { 1357 struct ar_softc *rdp; 1358 int disk, count; 1359 1360 if (!(rdp = ata_raid_arrays[array])) 1361 return ENXIO; 1362 /* XXX SOS we should lock the rdp softc here */ 1363 if (!(rdp->status & AR_S_DEGRADED) || !(rdp->status & AR_S_READY)) 1364 return ENXIO; 1365 if (rdp->status & AR_S_REBUILDING) 1366 return EBUSY; 1367 1368 switch (rdp->type) { 1369 case AR_T_RAID1: 1370 case AR_T_RAID01: 1371 case AR_T_RAID5: 1372 for (count = 0, disk = 0; disk < rdp->total_disks; disk++ ) { 1373 if (((rdp->disks[disk].flags & 1374 (AR_DF_PRESENT|AR_DF_ASSIGNED|AR_DF_ONLINE|AR_DF_SPARE)) == 1375 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE)) && 1376 rdp->disks[disk].dev) { 1377 count++; 1378 } 1379 } 1380 1381 if (count) { 1382 rdp->rebuild_lba = 0; 1383 rdp->status |= AR_S_REBUILDING; 1384 return 0; 1385 } 1386 return EIO; 1387 1388 default: 1389 return EPERM; 1390 } 1391 } 1392 1393 static int 1394 ata_raid_read_metadata(device_t subdisk) 1395 { 1396 devclass_t pci_devclass = devclass_find("pci"); 1397 devclass_t devclass=device_get_devclass(GRANDPARENT(GRANDPARENT(subdisk))); 1398 device_t gpdev; 1399 uint16_t vendor; 1400 1401 /* prioritize vendor native metadata layout if possible */ 1402 if (devclass == pci_devclass) { 1403 gpdev = device_get_parent(subdisk); 1404 gpdev = GRANDPARENT(gpdev); 1405 vendor = pci_get_vendor(gpdev); 1406 1407 switch (vendor) { 1408 case ATA_HIGHPOINT_ID: 1409 if (ata_raid_hptv3_read_meta(subdisk, ata_raid_arrays)) 1410 return 0; 1411 if (ata_raid_hptv2_read_meta(subdisk, ata_raid_arrays)) 1412 return 0; 1413 break; 1414 1415 case ATA_INTEL_ID: 1416 if (ata_raid_intel_read_meta(subdisk, ata_raid_arrays)) 1417 return 0; 1418 break; 1419 1420 case ATA_ITE_ID: 1421 if (ata_raid_ite_read_meta(subdisk, ata_raid_arrays)) 1422 return 0; 1423 break; 1424 1425 case ATA_JMICRON_ID: 1426 if (ata_raid_jmicron_read_meta(subdisk, ata_raid_arrays)) 1427 return 0; 1428 break; 1429 1430 case ATA_NVIDIA_ID: 1431 if (ata_raid_nvidia_read_meta(subdisk, ata_raid_arrays)) 1432 return 0; 1433 break; 1434 1435 case 0: /* XXX SOS cover up for bug in our PCI code */ 1436 case ATA_PROMISE_ID: 1437 if (ata_raid_promise_read_meta(subdisk, ata_raid_arrays, 0)) 1438 return 0; 1439 break; 1440 1441 case ATA_ATI_ID: 1442 case ATA_SILICON_IMAGE_ID: 1443 if (ata_raid_sii_read_meta(subdisk, ata_raid_arrays)) 1444 return 0; 1445 break; 1446 1447 case ATA_SIS_ID: 1448 if (ata_raid_sis_read_meta(subdisk, ata_raid_arrays)) 1449 return 0; 1450 break; 1451 1452 case ATA_VIA_ID: 1453 if (ata_raid_via_read_meta(subdisk, ata_raid_arrays)) 1454 return 0; 1455 break; 1456 } 1457 } 1458 1459 /* handle controllers that have multiple layout possibilities */ 1460 /* NOTE: the order of these are not insignificant */ 1461 1462 /* Adaptec HostRAID */ 1463 if (ata_raid_adaptec_read_meta(subdisk, ata_raid_arrays)) 1464 return 0; 1465 1466 /* LSILogic v3 and v2 */ 1467 if (ata_raid_lsiv3_read_meta(subdisk, ata_raid_arrays)) 1468 return 0; 1469 if (ata_raid_lsiv2_read_meta(subdisk, ata_raid_arrays)) 1470 return 0; 1471 1472 /* if none of the above matched, try FreeBSD native format */ 1473 return ata_raid_promise_read_meta(subdisk, ata_raid_arrays, 1); 1474 } 1475 1476 static int 1477 ata_raid_write_metadata(struct ar_softc *rdp) 1478 { 1479 switch (rdp->format) { 1480 case AR_F_FREEBSD_RAID: 1481 case AR_F_PROMISE_RAID: 1482 return ata_raid_promise_write_meta(rdp); 1483 1484 case AR_F_HPTV3_RAID: 1485 case AR_F_HPTV2_RAID: 1486 /* 1487 * always write HPT v2 metadata, the v3 BIOS knows it as well. 1488 * this is handy since we cannot know what version BIOS is on there 1489 */ 1490 return ata_raid_hptv2_write_meta(rdp); 1491 1492 case AR_F_INTEL_RAID: 1493 return ata_raid_intel_write_meta(rdp); 1494 1495 case AR_F_JMICRON_RAID: 1496 return ata_raid_jmicron_write_meta(rdp); 1497 1498 case AR_F_SIS_RAID: 1499 return ata_raid_sis_write_meta(rdp); 1500 1501 case AR_F_VIA_RAID: 1502 return ata_raid_via_write_meta(rdp); 1503 #if 0 1504 case AR_F_HPTV3_RAID: 1505 return ata_raid_hptv3_write_meta(rdp); 1506 1507 case AR_F_ADAPTEC_RAID: 1508 return ata_raid_adaptec_write_meta(rdp); 1509 1510 case AR_F_ITE_RAID: 1511 return ata_raid_ite_write_meta(rdp); 1512 1513 case AR_F_LSIV2_RAID: 1514 return ata_raid_lsiv2_write_meta(rdp); 1515 1516 case AR_F_LSIV3_RAID: 1517 return ata_raid_lsiv3_write_meta(rdp); 1518 1519 case AR_F_NVIDIA_RAID: 1520 return ata_raid_nvidia_write_meta(rdp); 1521 1522 case AR_F_SII_RAID: 1523 return ata_raid_sii_write_meta(rdp); 1524 1525 #endif 1526 default: 1527 kprintf("ar%d: writing of %s metadata is NOT supported yet\n", 1528 rdp->lun, ata_raid_format(rdp)); 1529 } 1530 return -1; 1531 } 1532 1533 static int 1534 ata_raid_wipe_metadata(struct ar_softc *rdp) 1535 { 1536 int disk, error = 0; 1537 u_int64_t lba; 1538 u_int32_t size; 1539 u_int8_t *meta; 1540 1541 for (disk = 0; disk < rdp->total_disks; disk++) { 1542 if (rdp->disks[disk].dev) { 1543 switch (rdp->format) { 1544 case AR_F_ADAPTEC_RAID: 1545 lba = ADP_LBA(rdp->disks[disk].dev); 1546 size = sizeof(struct adaptec_raid_conf); 1547 break; 1548 1549 case AR_F_HPTV2_RAID: 1550 lba = HPTV2_LBA(rdp->disks[disk].dev); 1551 size = sizeof(struct hptv2_raid_conf); 1552 break; 1553 1554 case AR_F_HPTV3_RAID: 1555 lba = HPTV3_LBA(rdp->disks[disk].dev); 1556 size = sizeof(struct hptv3_raid_conf); 1557 break; 1558 1559 case AR_F_INTEL_RAID: 1560 lba = INTEL_LBA(rdp->disks[disk].dev); 1561 size = 3 * 512; /* XXX SOS */ 1562 break; 1563 1564 case AR_F_ITE_RAID: 1565 lba = ITE_LBA(rdp->disks[disk].dev); 1566 size = sizeof(struct ite_raid_conf); 1567 break; 1568 1569 case AR_F_JMICRON_RAID: 1570 lba = JMICRON_LBA(rdp->disks[disk].dev); 1571 size = sizeof(struct jmicron_raid_conf); 1572 break; 1573 1574 case AR_F_LSIV2_RAID: 1575 lba = LSIV2_LBA(rdp->disks[disk].dev); 1576 size = sizeof(struct lsiv2_raid_conf); 1577 break; 1578 1579 case AR_F_LSIV3_RAID: 1580 lba = LSIV3_LBA(rdp->disks[disk].dev); 1581 size = sizeof(struct lsiv3_raid_conf); 1582 break; 1583 1584 case AR_F_NVIDIA_RAID: 1585 lba = NVIDIA_LBA(rdp->disks[disk].dev); 1586 size = sizeof(struct nvidia_raid_conf); 1587 break; 1588 1589 case AR_F_FREEBSD_RAID: 1590 case AR_F_PROMISE_RAID: 1591 lba = PROMISE_LBA(rdp->disks[disk].dev); 1592 size = sizeof(struct promise_raid_conf); 1593 break; 1594 1595 case AR_F_SII_RAID: 1596 lba = SII_LBA(rdp->disks[disk].dev); 1597 size = sizeof(struct sii_raid_conf); 1598 break; 1599 1600 case AR_F_SIS_RAID: 1601 lba = SIS_LBA(rdp->disks[disk].dev); 1602 size = sizeof(struct sis_raid_conf); 1603 break; 1604 1605 case AR_F_VIA_RAID: 1606 lba = VIA_LBA(rdp->disks[disk].dev); 1607 size = sizeof(struct via_raid_conf); 1608 break; 1609 1610 default: 1611 kprintf("ar%d: wiping of %s metadata is NOT supported yet\n", 1612 rdp->lun, ata_raid_format(rdp)); 1613 return ENXIO; 1614 } 1615 meta = kmalloc(size, M_AR, M_WAITOK | M_ZERO); 1616 if (ata_raid_rw(rdp->disks[disk].dev, lba, meta, size, 1617 ATA_R_WRITE | ATA_R_DIRECT)) { 1618 device_printf(rdp->disks[disk].dev, "wipe metadata failed\n"); 1619 error = EIO; 1620 } 1621 kfree(meta, M_AR); 1622 } 1623 } 1624 return error; 1625 } 1626 1627 /* Adaptec HostRAID Metadata */ 1628 static int 1629 ata_raid_adaptec_read_meta(device_t dev, struct ar_softc **raidp) 1630 { 1631 struct ata_raid_subdisk *ars = device_get_softc(dev); 1632 device_t parent = device_get_parent(dev); 1633 struct adaptec_raid_conf *meta; 1634 struct ar_softc *raid; 1635 int array, disk, retval = 0; 1636 1637 meta = (struct adaptec_raid_conf *) 1638 kmalloc(sizeof(struct adaptec_raid_conf), M_AR, M_WAITOK | M_ZERO); 1639 1640 if (ata_raid_rw(parent, ADP_LBA(parent), 1641 meta, sizeof(struct adaptec_raid_conf), ATA_R_READ)) { 1642 if (testing || bootverbose) 1643 device_printf(parent, "Adaptec read metadata failed\n"); 1644 goto adaptec_out; 1645 } 1646 1647 /* check if this is a Adaptec RAID struct */ 1648 if (meta->magic_0 != ADP_MAGIC_0 || meta->magic_3 != ADP_MAGIC_3) { 1649 if (testing || bootverbose) 1650 device_printf(parent, "Adaptec check1 failed\n"); 1651 goto adaptec_out; 1652 } 1653 1654 if (testing || bootverbose) 1655 ata_raid_adaptec_print_meta(meta); 1656 1657 /* now convert Adaptec metadata into our generic form */ 1658 for (array = 0; array < MAX_ARRAYS; array++) { 1659 if (!raidp[array]) { 1660 raidp[array] = 1661 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 1662 M_WAITOK | M_ZERO); 1663 } 1664 raid = raidp[array]; 1665 if (raid->format && (raid->format != AR_F_ADAPTEC_RAID)) 1666 continue; 1667 1668 if (raid->magic_0 && raid->magic_0 != meta->configs[0].magic_0) 1669 continue; 1670 1671 if (!meta->generation || be32toh(meta->generation) > raid->generation) { 1672 switch (meta->configs[0].type) { 1673 case ADP_T_RAID0: 1674 raid->magic_0 = meta->configs[0].magic_0; 1675 raid->type = AR_T_RAID0; 1676 raid->interleave = 1 << (meta->configs[0].stripe_shift >> 1); 1677 raid->width = be16toh(meta->configs[0].total_disks); 1678 break; 1679 1680 case ADP_T_RAID1: 1681 raid->magic_0 = meta->configs[0].magic_0; 1682 raid->type = AR_T_RAID1; 1683 raid->width = be16toh(meta->configs[0].total_disks) / 2; 1684 break; 1685 1686 default: 1687 device_printf(parent, "Adaptec unknown RAID type 0x%02x\n", 1688 meta->configs[0].type); 1689 kfree(raidp[array], M_AR); 1690 raidp[array] = NULL; 1691 goto adaptec_out; 1692 } 1693 1694 raid->format = AR_F_ADAPTEC_RAID; 1695 raid->generation = be32toh(meta->generation); 1696 raid->total_disks = be16toh(meta->configs[0].total_disks); 1697 raid->total_sectors = be32toh(meta->configs[0].sectors); 1698 raid->heads = 255; 1699 raid->sectors = 63; 1700 raid->cylinders = raid->total_sectors / (63 * 255); 1701 raid->offset_sectors = 0; 1702 raid->rebuild_lba = 0; 1703 raid->lun = array; 1704 strncpy(raid->name, meta->configs[0].name, 1705 min(sizeof(raid->name), sizeof(meta->configs[0].name))); 1706 1707 /* clear out any old info */ 1708 if (raid->generation) { 1709 for (disk = 0; disk < raid->total_disks; disk++) { 1710 raid->disks[disk].dev = NULL; 1711 raid->disks[disk].flags = 0; 1712 } 1713 } 1714 } 1715 if (be32toh(meta->generation) >= raid->generation) { 1716 struct ata_device *atadev = device_get_softc(parent); 1717 struct ata_channel *ch = device_get_softc(GRANDPARENT(dev)); 1718 int disk_number = (ch->unit << !(ch->flags & ATA_NO_SLAVE)) + 1719 ATA_DEV(atadev->unit); 1720 1721 raid->disks[disk_number].dev = parent; 1722 raid->disks[disk_number].sectors = 1723 be32toh(meta->configs[disk_number + 1].sectors); 1724 raid->disks[disk_number].flags = 1725 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 1726 ars->raid[raid->volume] = raid; 1727 ars->disk_number[raid->volume] = disk_number; 1728 retval = 1; 1729 } 1730 break; 1731 } 1732 1733 adaptec_out: 1734 kfree(meta, M_AR); 1735 return retval; 1736 } 1737 1738 /* Highpoint V2 RocketRAID Metadata */ 1739 static int 1740 ata_raid_hptv2_read_meta(device_t dev, struct ar_softc **raidp) 1741 { 1742 struct ata_raid_subdisk *ars = device_get_softc(dev); 1743 device_t parent = device_get_parent(dev); 1744 struct hptv2_raid_conf *meta; 1745 struct ar_softc *raid = NULL; 1746 int array, disk_number = 0, retval = 0; 1747 1748 meta = (struct hptv2_raid_conf *)kmalloc(sizeof(struct hptv2_raid_conf), 1749 M_AR, M_WAITOK | M_ZERO); 1750 1751 if (ata_raid_rw(parent, HPTV2_LBA(parent), 1752 meta, sizeof(struct hptv2_raid_conf), ATA_R_READ)) { 1753 if (testing || bootverbose) 1754 device_printf(parent, "HighPoint (v2) read metadata failed\n"); 1755 goto hptv2_out; 1756 } 1757 1758 /* check if this is a HighPoint v2 RAID struct */ 1759 if (meta->magic != HPTV2_MAGIC_OK && meta->magic != HPTV2_MAGIC_BAD) { 1760 if (testing || bootverbose) 1761 device_printf(parent, "HighPoint (v2) check1 failed\n"); 1762 goto hptv2_out; 1763 } 1764 1765 /* is this disk defined, or an old leftover/spare ? */ 1766 if (!meta->magic_0) { 1767 if (testing || bootverbose) 1768 device_printf(parent, "HighPoint (v2) check2 failed\n"); 1769 goto hptv2_out; 1770 } 1771 1772 if (testing || bootverbose) 1773 ata_raid_hptv2_print_meta(meta); 1774 1775 /* now convert HighPoint (v2) metadata into our generic form */ 1776 for (array = 0; array < MAX_ARRAYS; array++) { 1777 if (!raidp[array]) { 1778 raidp[array] = 1779 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 1780 M_WAITOK | M_ZERO); 1781 } 1782 raid = raidp[array]; 1783 if (raid->format && (raid->format != AR_F_HPTV2_RAID)) 1784 continue; 1785 1786 switch (meta->type) { 1787 case HPTV2_T_RAID0: 1788 if ((meta->order & (HPTV2_O_RAID0|HPTV2_O_OK)) == 1789 (HPTV2_O_RAID0|HPTV2_O_OK)) 1790 goto highpoint_raid1; 1791 if (meta->order & (HPTV2_O_RAID0 | HPTV2_O_RAID1)) 1792 goto highpoint_raid01; 1793 if (raid->magic_0 && raid->magic_0 != meta->magic_0) 1794 continue; 1795 raid->magic_0 = meta->magic_0; 1796 raid->type = AR_T_RAID0; 1797 raid->interleave = 1 << meta->stripe_shift; 1798 disk_number = meta->disk_number; 1799 if (!(meta->order & HPTV2_O_OK)) 1800 meta->magic = 0; /* mark bad */ 1801 break; 1802 1803 case HPTV2_T_RAID1: 1804 highpoint_raid1: 1805 if (raid->magic_0 && raid->magic_0 != meta->magic_0) 1806 continue; 1807 raid->magic_0 = meta->magic_0; 1808 raid->type = AR_T_RAID1; 1809 disk_number = (meta->disk_number > 0); 1810 break; 1811 1812 case HPTV2_T_RAID01_RAID0: 1813 highpoint_raid01: 1814 if (meta->order & HPTV2_O_RAID0) { 1815 if ((raid->magic_0 && raid->magic_0 != meta->magic_0) || 1816 (raid->magic_1 && raid->magic_1 != meta->magic_1)) 1817 continue; 1818 raid->magic_0 = meta->magic_0; 1819 raid->magic_1 = meta->magic_1; 1820 raid->type = AR_T_RAID01; 1821 raid->interleave = 1 << meta->stripe_shift; 1822 disk_number = meta->disk_number; 1823 } 1824 else { 1825 if (raid->magic_1 && raid->magic_1 != meta->magic_1) 1826 continue; 1827 raid->magic_1 = meta->magic_1; 1828 raid->type = AR_T_RAID01; 1829 raid->interleave = 1 << meta->stripe_shift; 1830 disk_number = meta->disk_number + meta->array_width; 1831 if (!(meta->order & HPTV2_O_RAID1)) 1832 meta->magic = 0; /* mark bad */ 1833 } 1834 break; 1835 1836 case HPTV2_T_SPAN: 1837 if (raid->magic_0 && raid->magic_0 != meta->magic_0) 1838 continue; 1839 raid->magic_0 = meta->magic_0; 1840 raid->type = AR_T_SPAN; 1841 disk_number = meta->disk_number; 1842 break; 1843 1844 default: 1845 device_printf(parent, "Highpoint (v2) unknown RAID type 0x%02x\n", 1846 meta->type); 1847 kfree(raidp[array], M_AR); 1848 raidp[array] = NULL; 1849 goto hptv2_out; 1850 } 1851 1852 raid->format |= AR_F_HPTV2_RAID; 1853 raid->disks[disk_number].dev = parent; 1854 raid->disks[disk_number].flags = (AR_DF_PRESENT | AR_DF_ASSIGNED); 1855 raid->lun = array; 1856 strncpy(raid->name, meta->name_1, 1857 min(sizeof(raid->name), sizeof(meta->name_1))); 1858 if (meta->magic == HPTV2_MAGIC_OK) { 1859 raid->disks[disk_number].flags |= AR_DF_ONLINE; 1860 raid->width = meta->array_width; 1861 raid->total_sectors = meta->total_sectors; 1862 raid->heads = 255; 1863 raid->sectors = 63; 1864 raid->cylinders = raid->total_sectors / (63 * 255); 1865 raid->offset_sectors = HPTV2_LBA(parent) + 1; 1866 raid->rebuild_lba = meta->rebuild_lba; 1867 raid->disks[disk_number].sectors = 1868 raid->total_sectors / raid->width; 1869 } 1870 else 1871 raid->disks[disk_number].flags &= ~AR_DF_ONLINE; 1872 1873 if ((raid->type & AR_T_RAID0) && (raid->total_disks < raid->width)) 1874 raid->total_disks = raid->width; 1875 if (disk_number >= raid->total_disks) 1876 raid->total_disks = disk_number + 1; 1877 ars->raid[raid->volume] = raid; 1878 ars->disk_number[raid->volume] = disk_number; 1879 retval = 1; 1880 break; 1881 } 1882 1883 hptv2_out: 1884 kfree(meta, M_AR); 1885 return retval; 1886 } 1887 1888 static int 1889 ata_raid_hptv2_write_meta(struct ar_softc *rdp) 1890 { 1891 struct hptv2_raid_conf *meta; 1892 struct timeval timestamp; 1893 int disk, error = 0; 1894 1895 meta = (struct hptv2_raid_conf *)kmalloc(sizeof(struct hptv2_raid_conf), 1896 M_AR, M_WAITOK | M_ZERO); 1897 1898 microtime(×tamp); 1899 rdp->magic_0 = timestamp.tv_sec + 2; 1900 rdp->magic_1 = timestamp.tv_sec; 1901 1902 for (disk = 0; disk < rdp->total_disks; disk++) { 1903 if ((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) == 1904 (AR_DF_PRESENT | AR_DF_ONLINE)) 1905 meta->magic = HPTV2_MAGIC_OK; 1906 if (rdp->disks[disk].flags & AR_DF_ASSIGNED) { 1907 meta->magic_0 = rdp->magic_0; 1908 if (strlen(rdp->name)) 1909 strncpy(meta->name_1, rdp->name, sizeof(meta->name_1)); 1910 else 1911 strcpy(meta->name_1, "FreeBSD"); 1912 } 1913 meta->disk_number = disk; 1914 1915 switch (rdp->type) { 1916 case AR_T_RAID0: 1917 meta->type = HPTV2_T_RAID0; 1918 strcpy(meta->name_2, "RAID 0"); 1919 if (rdp->disks[disk].flags & AR_DF_ONLINE) 1920 meta->order = HPTV2_O_OK; 1921 break; 1922 1923 case AR_T_RAID1: 1924 meta->type = HPTV2_T_RAID0; 1925 strcpy(meta->name_2, "RAID 1"); 1926 meta->disk_number = (disk < rdp->width) ? disk : disk + 5; 1927 meta->order = HPTV2_O_RAID0 | HPTV2_O_OK; 1928 break; 1929 1930 case AR_T_RAID01: 1931 meta->type = HPTV2_T_RAID01_RAID0; 1932 strcpy(meta->name_2, "RAID 0+1"); 1933 if (rdp->disks[disk].flags & AR_DF_ONLINE) { 1934 if (disk < rdp->width) { 1935 meta->order = (HPTV2_O_RAID0 | HPTV2_O_RAID1); 1936 meta->magic_0 = rdp->magic_0 - 1; 1937 } 1938 else { 1939 meta->order = HPTV2_O_RAID1; 1940 meta->disk_number -= rdp->width; 1941 } 1942 } 1943 else 1944 meta->magic_0 = rdp->magic_0 - 1; 1945 meta->magic_1 = rdp->magic_1; 1946 break; 1947 1948 case AR_T_SPAN: 1949 meta->type = HPTV2_T_SPAN; 1950 strcpy(meta->name_2, "SPAN"); 1951 break; 1952 default: 1953 kfree(meta, M_AR); 1954 return ENODEV; 1955 } 1956 1957 meta->array_width = rdp->width; 1958 meta->stripe_shift = (rdp->width > 1) ? (ffs(rdp->interleave)-1) : 0; 1959 meta->total_sectors = rdp->total_sectors; 1960 meta->rebuild_lba = rdp->rebuild_lba; 1961 if (testing || bootverbose) 1962 ata_raid_hptv2_print_meta(meta); 1963 if (rdp->disks[disk].dev) { 1964 if (ata_raid_rw(rdp->disks[disk].dev, 1965 HPTV2_LBA(rdp->disks[disk].dev), meta, 1966 sizeof(struct promise_raid_conf), 1967 ATA_R_WRITE | ATA_R_DIRECT)) { 1968 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 1969 error = EIO; 1970 } 1971 } 1972 } 1973 kfree(meta, M_AR); 1974 return error; 1975 } 1976 1977 /* Highpoint V3 RocketRAID Metadata */ 1978 static int 1979 ata_raid_hptv3_read_meta(device_t dev, struct ar_softc **raidp) 1980 { 1981 struct ata_raid_subdisk *ars = device_get_softc(dev); 1982 device_t parent = device_get_parent(dev); 1983 struct hptv3_raid_conf *meta; 1984 struct ar_softc *raid = NULL; 1985 int array, disk_number, retval = 0; 1986 1987 meta = (struct hptv3_raid_conf *)kmalloc(sizeof(struct hptv3_raid_conf), 1988 M_AR, M_WAITOK | M_ZERO); 1989 1990 if (ata_raid_rw(parent, HPTV3_LBA(parent), 1991 meta, sizeof(struct hptv3_raid_conf), ATA_R_READ)) { 1992 if (testing || bootverbose) 1993 device_printf(parent, "HighPoint (v3) read metadata failed\n"); 1994 goto hptv3_out; 1995 } 1996 1997 /* check if this is a HighPoint v3 RAID struct */ 1998 if (meta->magic != HPTV3_MAGIC) { 1999 if (testing || bootverbose) 2000 device_printf(parent, "HighPoint (v3) check1 failed\n"); 2001 goto hptv3_out; 2002 } 2003 2004 /* check if there are any config_entries */ 2005 if (meta->config_entries < 1) { 2006 if (testing || bootverbose) 2007 device_printf(parent, "HighPoint (v3) check2 failed\n"); 2008 goto hptv3_out; 2009 } 2010 2011 if (testing || bootverbose) 2012 ata_raid_hptv3_print_meta(meta); 2013 2014 /* now convert HighPoint (v3) metadata into our generic form */ 2015 for (array = 0; array < MAX_ARRAYS; array++) { 2016 if (!raidp[array]) { 2017 raidp[array] = 2018 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2019 M_WAITOK | M_ZERO); 2020 } 2021 raid = raidp[array]; 2022 if (raid->format && (raid->format != AR_F_HPTV3_RAID)) 2023 continue; 2024 2025 if ((raid->format & AR_F_HPTV3_RAID) && raid->magic_0 != meta->magic_0) 2026 continue; 2027 2028 switch (meta->configs[0].type) { 2029 case HPTV3_T_RAID0: 2030 raid->type = AR_T_RAID0; 2031 raid->width = meta->configs[0].total_disks; 2032 disk_number = meta->configs[0].disk_number; 2033 break; 2034 2035 case HPTV3_T_RAID1: 2036 raid->type = AR_T_RAID1; 2037 raid->width = meta->configs[0].total_disks / 2; 2038 disk_number = meta->configs[0].disk_number; 2039 break; 2040 2041 case HPTV3_T_RAID5: 2042 raid->type = AR_T_RAID5; 2043 raid->width = meta->configs[0].total_disks; 2044 disk_number = meta->configs[0].disk_number; 2045 break; 2046 2047 case HPTV3_T_SPAN: 2048 raid->type = AR_T_SPAN; 2049 raid->width = meta->configs[0].total_disks; 2050 disk_number = meta->configs[0].disk_number; 2051 break; 2052 2053 default: 2054 device_printf(parent, "Highpoint (v3) unknown RAID type 0x%02x\n", 2055 meta->configs[0].type); 2056 kfree(raidp[array], M_AR); 2057 raidp[array] = NULL; 2058 goto hptv3_out; 2059 } 2060 if (meta->config_entries == 2) { 2061 switch (meta->configs[1].type) { 2062 case HPTV3_T_RAID1: 2063 if (raid->type == AR_T_RAID0) { 2064 raid->type = AR_T_RAID01; 2065 disk_number = meta->configs[1].disk_number + 2066 (meta->configs[0].disk_number << 1); 2067 break; 2068 } 2069 default: 2070 device_printf(parent, "Highpoint (v3) unknown level 2 0x%02x\n", 2071 meta->configs[1].type); 2072 kfree(raidp[array], M_AR); 2073 raidp[array] = NULL; 2074 goto hptv3_out; 2075 } 2076 } 2077 2078 raid->magic_0 = meta->magic_0; 2079 raid->format = AR_F_HPTV3_RAID; 2080 raid->generation = meta->timestamp; 2081 raid->interleave = 1 << meta->configs[0].stripe_shift; 2082 raid->total_disks = meta->configs[0].total_disks + 2083 meta->configs[1].total_disks; 2084 raid->total_sectors = meta->configs[0].total_sectors + 2085 ((u_int64_t)meta->configs_high[0].total_sectors << 32); 2086 raid->heads = 255; 2087 raid->sectors = 63; 2088 raid->cylinders = raid->total_sectors / (63 * 255); 2089 raid->offset_sectors = 0; 2090 raid->rebuild_lba = meta->configs[0].rebuild_lba + 2091 ((u_int64_t)meta->configs_high[0].rebuild_lba << 32); 2092 raid->lun = array; 2093 strncpy(raid->name, meta->name, 2094 min(sizeof(raid->name), sizeof(meta->name))); 2095 raid->disks[disk_number].sectors = raid->total_sectors / 2096 (raid->type == AR_T_RAID5 ? raid->width - 1 : raid->width); 2097 raid->disks[disk_number].dev = parent; 2098 raid->disks[disk_number].flags = 2099 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 2100 ars->raid[raid->volume] = raid; 2101 ars->disk_number[raid->volume] = disk_number; 2102 retval = 1; 2103 break; 2104 } 2105 2106 hptv3_out: 2107 kfree(meta, M_AR); 2108 return retval; 2109 } 2110 2111 /* Intel MatrixRAID Metadata */ 2112 static int 2113 ata_raid_intel_read_meta(device_t dev, struct ar_softc **raidp) 2114 { 2115 struct ata_raid_subdisk *ars = device_get_softc(dev); 2116 device_t parent = device_get_parent(dev); 2117 struct intel_raid_conf *meta; 2118 struct intel_raid_mapping *map; 2119 struct ar_softc *raid = NULL; 2120 u_int32_t checksum, *ptr; 2121 int array, count, disk, volume = 1, retval = 0; 2122 char *tmp; 2123 2124 meta = (struct intel_raid_conf *)kmalloc(1536, M_AR, M_WAITOK | M_ZERO); 2125 2126 if (ata_raid_rw(parent, INTEL_LBA(parent), meta, 1024, ATA_R_READ)) { 2127 if (testing || bootverbose) 2128 device_printf(parent, "Intel read metadata failed\n"); 2129 goto intel_out; 2130 } 2131 tmp = (char *)meta; 2132 bcopy(tmp, tmp+1024, 512); 2133 bcopy(tmp+512, tmp, 1024); 2134 bzero(tmp+1024, 512); 2135 2136 /* check if this is a Intel RAID struct */ 2137 if (strncmp(meta->intel_id, INTEL_MAGIC, strlen(INTEL_MAGIC))) { 2138 if (testing || bootverbose) 2139 device_printf(parent, "Intel check1 failed\n"); 2140 goto intel_out; 2141 } 2142 2143 for (checksum = 0, ptr = (u_int32_t *)meta, count = 0; 2144 count < (meta->config_size / sizeof(u_int32_t)); count++) { 2145 checksum += *ptr++; 2146 } 2147 checksum -= meta->checksum; 2148 if (checksum != meta->checksum) { 2149 if (testing || bootverbose) 2150 device_printf(parent, "Intel check2 failed\n"); 2151 goto intel_out; 2152 } 2153 2154 if (testing || bootverbose) 2155 ata_raid_intel_print_meta(meta); 2156 2157 map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks]; 2158 2159 /* now convert Intel metadata into our generic form */ 2160 for (array = 0; array < MAX_ARRAYS; array++) { 2161 if (!raidp[array]) { 2162 raidp[array] = 2163 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2164 M_WAITOK | M_ZERO); 2165 } 2166 raid = raidp[array]; 2167 if (raid->format && (raid->format != AR_F_INTEL_RAID)) 2168 continue; 2169 2170 if ((raid->format & AR_F_INTEL_RAID) && 2171 (raid->magic_0 != meta->config_id)) 2172 continue; 2173 2174 /* 2175 * update our knowledge about the array config based on generation 2176 * NOTE: there can be multiple volumes on a disk set 2177 */ 2178 if (!meta->generation || meta->generation > raid->generation) { 2179 switch (map->type) { 2180 case INTEL_T_RAID0: 2181 raid->type = AR_T_RAID0; 2182 raid->width = map->total_disks; 2183 break; 2184 2185 case INTEL_T_RAID1: 2186 if (map->total_disks == 4) 2187 raid->type = AR_T_RAID01; 2188 else 2189 raid->type = AR_T_RAID1; 2190 raid->width = map->total_disks / 2; 2191 break; 2192 2193 case INTEL_T_RAID5: 2194 raid->type = AR_T_RAID5; 2195 raid->width = map->total_disks; 2196 break; 2197 2198 default: 2199 device_printf(parent, "Intel unknown RAID type 0x%02x\n", 2200 map->type); 2201 kfree(raidp[array], M_AR); 2202 raidp[array] = NULL; 2203 goto intel_out; 2204 } 2205 2206 switch (map->status) { 2207 case INTEL_S_READY: 2208 raid->status = AR_S_READY; 2209 break; 2210 case INTEL_S_DEGRADED: 2211 raid->status |= AR_S_DEGRADED; 2212 break; 2213 case INTEL_S_DISABLED: 2214 case INTEL_S_FAILURE: 2215 raid->status = 0; 2216 } 2217 2218 raid->magic_0 = meta->config_id; 2219 raid->format = AR_F_INTEL_RAID; 2220 raid->generation = meta->generation; 2221 raid->interleave = map->stripe_sectors; 2222 raid->total_disks = map->total_disks; 2223 raid->total_sectors = map->total_sectors; 2224 raid->heads = 255; 2225 raid->sectors = 63; 2226 raid->cylinders = raid->total_sectors / (63 * 255); 2227 raid->offset_sectors = map->offset; 2228 raid->rebuild_lba = 0; 2229 raid->lun = array; 2230 raid->volume = volume - 1; 2231 strncpy(raid->name, map->name, 2232 min(sizeof(raid->name), sizeof(map->name))); 2233 2234 /* clear out any old info */ 2235 for (disk = 0; disk < raid->total_disks; disk++) { 2236 raid->disks[disk].dev = NULL; 2237 bcopy(meta->disk[map->disk_idx[disk]].serial, 2238 raid->disks[disk].serial, 2239 sizeof(raid->disks[disk].serial)); 2240 raid->disks[disk].sectors = 2241 meta->disk[map->disk_idx[disk]].sectors; 2242 raid->disks[disk].flags = 0; 2243 if (meta->disk[map->disk_idx[disk]].flags & INTEL_F_ONLINE) 2244 raid->disks[disk].flags |= AR_DF_ONLINE; 2245 if (meta->disk[map->disk_idx[disk]].flags & INTEL_F_ASSIGNED) 2246 raid->disks[disk].flags |= AR_DF_ASSIGNED; 2247 if (meta->disk[map->disk_idx[disk]].flags & INTEL_F_SPARE) { 2248 raid->disks[disk].flags &= ~(AR_DF_ONLINE | AR_DF_ASSIGNED); 2249 raid->disks[disk].flags |= AR_DF_SPARE; 2250 } 2251 if (meta->disk[map->disk_idx[disk]].flags & INTEL_F_DOWN) 2252 raid->disks[disk].flags &= ~AR_DF_ONLINE; 2253 } 2254 } 2255 if (meta->generation >= raid->generation) { 2256 for (disk = 0; disk < raid->total_disks; disk++) { 2257 struct ata_device *atadev = device_get_softc(parent); 2258 2259 if (!strncmp(raid->disks[disk].serial, atadev->param.serial, 2260 sizeof(raid->disks[disk].serial))) { 2261 raid->disks[disk].dev = parent; 2262 raid->disks[disk].flags |= (AR_DF_PRESENT | AR_DF_ONLINE); 2263 ars->raid[raid->volume] = raid; 2264 ars->disk_number[raid->volume] = disk; 2265 retval = 1; 2266 } 2267 } 2268 } 2269 else 2270 goto intel_out; 2271 2272 if (retval) { 2273 if (volume < meta->total_volumes) { 2274 map = (struct intel_raid_mapping *) 2275 &map->disk_idx[map->total_disks]; 2276 volume++; 2277 retval = 0; 2278 continue; 2279 } 2280 break; 2281 } 2282 else { 2283 kfree(raidp[array], M_AR); 2284 raidp[array] = NULL; 2285 if (volume == 2) 2286 retval = 1; 2287 } 2288 } 2289 2290 intel_out: 2291 kfree(meta, M_AR); 2292 return retval; 2293 } 2294 2295 static int 2296 ata_raid_intel_write_meta(struct ar_softc *rdp) 2297 { 2298 struct intel_raid_conf *meta; 2299 struct intel_raid_mapping *map; 2300 struct timeval timestamp; 2301 u_int32_t checksum, *ptr; 2302 int count, disk, error = 0; 2303 char *tmp; 2304 2305 meta = (struct intel_raid_conf *)kmalloc(1536, M_AR, M_WAITOK | M_ZERO); 2306 2307 rdp->generation++; 2308 2309 /* Generate a new config_id if none exists */ 2310 if (!rdp->magic_0) { 2311 microtime(×tamp); 2312 rdp->magic_0 = timestamp.tv_sec ^ timestamp.tv_usec; 2313 } 2314 2315 bcopy(INTEL_MAGIC, meta->intel_id, sizeof(meta->intel_id)); 2316 bcopy(INTEL_VERSION_1100, meta->version, sizeof(meta->version)); 2317 meta->config_id = rdp->magic_0; 2318 meta->generation = rdp->generation; 2319 meta->total_disks = rdp->total_disks; 2320 meta->total_volumes = 1; /* XXX SOS */ 2321 for (disk = 0; disk < rdp->total_disks; disk++) { 2322 if (rdp->disks[disk].dev) { 2323 struct ata_channel *ch = 2324 device_get_softc(device_get_parent(rdp->disks[disk].dev)); 2325 struct ata_device *atadev = 2326 device_get_softc(rdp->disks[disk].dev); 2327 2328 bcopy(atadev->param.serial, meta->disk[disk].serial, 2329 sizeof(rdp->disks[disk].serial)); 2330 meta->disk[disk].sectors = rdp->disks[disk].sectors; 2331 meta->disk[disk].id = (ch->unit << 16) | ATA_DEV(atadev->unit); 2332 } 2333 else 2334 meta->disk[disk].sectors = rdp->total_sectors / rdp->width; 2335 meta->disk[disk].flags = 0; 2336 if (rdp->disks[disk].flags & AR_DF_SPARE) 2337 meta->disk[disk].flags |= INTEL_F_SPARE; 2338 else { 2339 if (rdp->disks[disk].flags & AR_DF_ONLINE) 2340 meta->disk[disk].flags |= INTEL_F_ONLINE; 2341 else 2342 meta->disk[disk].flags |= INTEL_F_DOWN; 2343 if (rdp->disks[disk].flags & AR_DF_ASSIGNED) 2344 meta->disk[disk].flags |= INTEL_F_ASSIGNED; 2345 } 2346 } 2347 map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks]; 2348 2349 bcopy(rdp->name, map->name, sizeof(rdp->name)); 2350 map->total_sectors = rdp->total_sectors; 2351 map->state = 12; /* XXX SOS */ 2352 map->offset = rdp->offset_sectors; 2353 map->stripe_count = rdp->total_sectors / (rdp->interleave*rdp->total_disks); 2354 map->stripe_sectors = rdp->interleave; 2355 map->disk_sectors = rdp->total_sectors / rdp->width; 2356 map->status = INTEL_S_READY; /* XXX SOS */ 2357 switch (rdp->type) { 2358 case AR_T_RAID0: 2359 map->type = INTEL_T_RAID0; 2360 break; 2361 case AR_T_RAID1: 2362 map->type = INTEL_T_RAID1; 2363 break; 2364 case AR_T_RAID01: 2365 map->type = INTEL_T_RAID1; 2366 break; 2367 case AR_T_RAID5: 2368 map->type = INTEL_T_RAID5; 2369 break; 2370 default: 2371 kfree(meta, M_AR); 2372 return ENODEV; 2373 } 2374 map->total_disks = rdp->total_disks; 2375 map->magic[0] = 0x02; 2376 map->magic[1] = 0xff; 2377 map->magic[2] = 0x01; 2378 for (disk = 0; disk < rdp->total_disks; disk++) 2379 map->disk_idx[disk] = disk; 2380 2381 meta->config_size = (char *)&map->disk_idx[disk] - (char *)meta; 2382 for (checksum = 0, ptr = (u_int32_t *)meta, count = 0; 2383 count < (meta->config_size / sizeof(u_int32_t)); count++) { 2384 checksum += *ptr++; 2385 } 2386 meta->checksum = checksum; 2387 2388 if (testing || bootverbose) 2389 ata_raid_intel_print_meta(meta); 2390 2391 tmp = (char *)meta; 2392 bcopy(tmp, tmp+1024, 512); 2393 bcopy(tmp+512, tmp, 1024); 2394 bzero(tmp+1024, 512); 2395 2396 for (disk = 0; disk < rdp->total_disks; disk++) { 2397 if (rdp->disks[disk].dev) { 2398 if (ata_raid_rw(rdp->disks[disk].dev, 2399 INTEL_LBA(rdp->disks[disk].dev), 2400 meta, 1024, ATA_R_WRITE | ATA_R_DIRECT)) { 2401 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 2402 error = EIO; 2403 } 2404 } 2405 } 2406 kfree(meta, M_AR); 2407 return error; 2408 } 2409 2410 2411 /* Integrated Technology Express Metadata */ 2412 static int 2413 ata_raid_ite_read_meta(device_t dev, struct ar_softc **raidp) 2414 { 2415 struct ata_raid_subdisk *ars = device_get_softc(dev); 2416 device_t parent = device_get_parent(dev); 2417 struct ite_raid_conf *meta; 2418 struct ar_softc *raid = NULL; 2419 int array, disk_number, count, retval = 0; 2420 u_int16_t *ptr; 2421 2422 meta = (struct ite_raid_conf *)kmalloc(sizeof(struct ite_raid_conf), M_AR, 2423 M_WAITOK | M_ZERO); 2424 2425 if (ata_raid_rw(parent, ITE_LBA(parent), 2426 meta, sizeof(struct ite_raid_conf), ATA_R_READ)) { 2427 if (testing || bootverbose) 2428 device_printf(parent, "ITE read metadata failed\n"); 2429 goto ite_out; 2430 } 2431 2432 /* check if this is a ITE RAID struct */ 2433 for (ptr = (u_int16_t *)meta->ite_id, count = 0; 2434 count < sizeof(meta->ite_id)/sizeof(uint16_t); count++) 2435 ptr[count] = be16toh(ptr[count]); 2436 2437 if (strncmp(meta->ite_id, ITE_MAGIC, strlen(ITE_MAGIC))) { 2438 if (testing || bootverbose) 2439 device_printf(parent, "ITE check1 failed\n"); 2440 goto ite_out; 2441 } 2442 2443 if (testing || bootverbose) 2444 ata_raid_ite_print_meta(meta); 2445 2446 /* now convert ITE metadata into our generic form */ 2447 for (array = 0; array < MAX_ARRAYS; array++) { 2448 if ((raid = raidp[array])) { 2449 if (raid->format != AR_F_ITE_RAID) 2450 continue; 2451 if (raid->magic_0 != *((u_int64_t *)meta->timestamp_0)) 2452 continue; 2453 } 2454 2455 /* if we dont have a disks timestamp the RAID is invalidated */ 2456 if (*((u_int64_t *)meta->timestamp_1) == 0) 2457 goto ite_out; 2458 2459 if (!raid) { 2460 raidp[array] = (struct ar_softc *)kmalloc(sizeof(struct ar_softc), 2461 M_AR, M_WAITOK | M_ZERO); 2462 } 2463 2464 switch (meta->type) { 2465 case ITE_T_RAID0: 2466 raid->type = AR_T_RAID0; 2467 raid->width = meta->array_width; 2468 raid->total_disks = meta->array_width; 2469 disk_number = meta->disk_number; 2470 break; 2471 2472 case ITE_T_RAID1: 2473 raid->type = AR_T_RAID1; 2474 raid->width = 1; 2475 raid->total_disks = 2; 2476 disk_number = meta->disk_number; 2477 break; 2478 2479 case ITE_T_RAID01: 2480 raid->type = AR_T_RAID01; 2481 raid->width = meta->array_width; 2482 raid->total_disks = 4; 2483 disk_number = ((meta->disk_number & 0x02) >> 1) | 2484 ((meta->disk_number & 0x01) << 1); 2485 break; 2486 2487 case ITE_T_SPAN: 2488 raid->type = AR_T_SPAN; 2489 raid->width = 1; 2490 raid->total_disks = meta->array_width; 2491 disk_number = meta->disk_number; 2492 break; 2493 2494 default: 2495 device_printf(parent, "ITE unknown RAID type 0x%02x\n", meta->type); 2496 kfree(raidp[array], M_AR); 2497 raidp[array] = NULL; 2498 goto ite_out; 2499 } 2500 2501 raid->magic_0 = *((u_int64_t *)meta->timestamp_0); 2502 raid->format = AR_F_ITE_RAID; 2503 raid->generation = 0; 2504 raid->interleave = meta->stripe_sectors; 2505 raid->total_sectors = meta->total_sectors; 2506 raid->heads = 255; 2507 raid->sectors = 63; 2508 raid->cylinders = raid->total_sectors / (63 * 255); 2509 raid->offset_sectors = 0; 2510 raid->rebuild_lba = 0; 2511 raid->lun = array; 2512 2513 raid->disks[disk_number].dev = parent; 2514 raid->disks[disk_number].sectors = raid->total_sectors / raid->width; 2515 raid->disks[disk_number].flags = 2516 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 2517 ars->raid[raid->volume] = raid; 2518 ars->disk_number[raid->volume] = disk_number; 2519 retval = 1; 2520 break; 2521 } 2522 ite_out: 2523 kfree(meta, M_AR); 2524 return retval; 2525 } 2526 2527 /* JMicron Technology Corp Metadata */ 2528 static int 2529 ata_raid_jmicron_read_meta(device_t dev, struct ar_softc **raidp) 2530 { 2531 struct ata_raid_subdisk *ars = device_get_softc(dev); 2532 device_t parent = device_get_parent(dev); 2533 struct jmicron_raid_conf *meta; 2534 struct ar_softc *raid = NULL; 2535 u_int16_t checksum, *ptr; 2536 u_int64_t disk_size; 2537 int count, array, disk, total_disks, retval = 0; 2538 2539 meta = (struct jmicron_raid_conf *) 2540 kmalloc(sizeof(struct jmicron_raid_conf), M_AR, M_WAITOK | M_ZERO); 2541 2542 if (ata_raid_rw(parent, JMICRON_LBA(parent), 2543 meta, sizeof(struct jmicron_raid_conf), ATA_R_READ)) { 2544 if (testing || bootverbose) 2545 device_printf(parent, 2546 "JMicron read metadata failed\n"); 2547 } 2548 2549 /* check for JMicron signature */ 2550 if (strncmp(meta->signature, JMICRON_MAGIC, 2)) { 2551 if (testing || bootverbose) 2552 device_printf(parent, "JMicron check1 failed\n"); 2553 goto jmicron_out; 2554 } 2555 2556 /* calculate checksum and compare for valid */ 2557 for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 64; count++) 2558 checksum += *ptr++; 2559 if (checksum) { 2560 if (testing || bootverbose) 2561 device_printf(parent, "JMicron check2 failed\n"); 2562 goto jmicron_out; 2563 } 2564 2565 if (testing || bootverbose) 2566 ata_raid_jmicron_print_meta(meta); 2567 2568 /* now convert JMicron meta into our generic form */ 2569 for (array = 0; array < MAX_ARRAYS; array++) { 2570 jmicron_next: 2571 if (!raidp[array]) { 2572 raidp[array] = 2573 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2574 M_WAITOK | M_ZERO); 2575 } 2576 raid = raidp[array]; 2577 if (raid->format && (raid->format != AR_F_JMICRON_RAID)) 2578 continue; 2579 2580 for (total_disks = 0, disk = 0; disk < JM_MAX_DISKS; disk++) { 2581 if (meta->disks[disk]) { 2582 if (raid->format == AR_F_JMICRON_RAID) { 2583 if (bcmp(&meta->disks[disk], 2584 raid->disks[disk].serial, sizeof(u_int32_t))) { 2585 array++; 2586 goto jmicron_next; 2587 } 2588 } 2589 else 2590 bcopy(&meta->disks[disk], 2591 raid->disks[disk].serial, sizeof(u_int32_t)); 2592 total_disks++; 2593 } 2594 } 2595 /* handle spares XXX SOS */ 2596 2597 switch (meta->type) { 2598 case JM_T_RAID0: 2599 raid->type = AR_T_RAID0; 2600 raid->width = total_disks; 2601 break; 2602 2603 case JM_T_RAID1: 2604 raid->type = AR_T_RAID1; 2605 raid->width = 1; 2606 break; 2607 2608 case JM_T_RAID01: 2609 raid->type = AR_T_RAID01; 2610 raid->width = total_disks / 2; 2611 break; 2612 2613 case JM_T_RAID5: 2614 raid->type = AR_T_RAID5; 2615 raid->width = total_disks; 2616 break; 2617 2618 case JM_T_JBOD: 2619 raid->type = AR_T_SPAN; 2620 raid->width = 1; 2621 break; 2622 2623 default: 2624 device_printf(parent, 2625 "JMicron unknown RAID type 0x%02x\n", meta->type); 2626 kfree(raidp[array], M_AR); 2627 raidp[array] = NULL; 2628 goto jmicron_out; 2629 } 2630 disk_size = (meta->disk_sectors_high << 16) + meta->disk_sectors_low; 2631 raid->format = AR_F_JMICRON_RAID; 2632 strncpy(raid->name, meta->name, sizeof(meta->name)); 2633 raid->generation = 0; 2634 raid->interleave = 2 << meta->stripe_shift; 2635 raid->total_disks = total_disks; 2636 raid->total_sectors = disk_size * (raid->width-(raid->type==AR_RAID5)); 2637 raid->heads = 255; 2638 raid->sectors = 63; 2639 raid->cylinders = raid->total_sectors / (63 * 255); 2640 raid->offset_sectors = meta->offset * 16; 2641 raid->rebuild_lba = 0; 2642 raid->lun = array; 2643 2644 for (disk = 0; disk < raid->total_disks; disk++) { 2645 if (meta->disks[disk] == meta->disk_id) { 2646 raid->disks[disk].dev = parent; 2647 raid->disks[disk].sectors = disk_size; 2648 raid->disks[disk].flags = 2649 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 2650 ars->raid[raid->volume] = raid; 2651 ars->disk_number[raid->volume] = disk; 2652 retval = 1; 2653 break; 2654 } 2655 } 2656 break; 2657 } 2658 jmicron_out: 2659 kfree(meta, M_AR); 2660 return retval; 2661 } 2662 2663 static int 2664 ata_raid_jmicron_write_meta(struct ar_softc *rdp) 2665 { 2666 struct jmicron_raid_conf *meta; 2667 u_int64_t disk_sectors; 2668 int disk, error = 0; 2669 2670 meta = (struct jmicron_raid_conf *) 2671 kmalloc(sizeof(struct jmicron_raid_conf), M_AR, M_WAITOK | M_ZERO); 2672 2673 rdp->generation++; 2674 switch (rdp->type) { 2675 case AR_T_JBOD: 2676 meta->type = JM_T_JBOD; 2677 break; 2678 2679 case AR_T_RAID0: 2680 meta->type = JM_T_RAID0; 2681 break; 2682 2683 case AR_T_RAID1: 2684 meta->type = JM_T_RAID1; 2685 break; 2686 2687 case AR_T_RAID5: 2688 meta->type = JM_T_RAID5; 2689 break; 2690 2691 case AR_T_RAID01: 2692 meta->type = JM_T_RAID01; 2693 break; 2694 2695 default: 2696 kfree(meta, M_AR); 2697 return ENODEV; 2698 } 2699 bcopy(JMICRON_MAGIC, meta->signature, sizeof(JMICRON_MAGIC)); 2700 meta->version = JMICRON_VERSION; 2701 meta->offset = rdp->offset_sectors / 16; 2702 disk_sectors = rdp->total_sectors / (rdp->width - (rdp->type == AR_RAID5)); 2703 meta->disk_sectors_low = disk_sectors & 0xffff; 2704 meta->disk_sectors_high = disk_sectors >> 16; 2705 strncpy(meta->name, rdp->name, sizeof(meta->name)); 2706 meta->stripe_shift = ffs(rdp->interleave) - 2; 2707 2708 for (disk = 0; disk < rdp->total_disks; disk++) { 2709 if (rdp->disks[disk].serial[0]) 2710 bcopy(rdp->disks[disk].serial,&meta->disks[disk],sizeof(u_int32_t)); 2711 else 2712 meta->disks[disk] = (u_int32_t)(uintptr_t)rdp->disks[disk].dev; 2713 } 2714 2715 for (disk = 0; disk < rdp->total_disks; disk++) { 2716 if (rdp->disks[disk].dev) { 2717 u_int16_t checksum = 0, *ptr; 2718 int count; 2719 2720 meta->disk_id = meta->disks[disk]; 2721 meta->checksum = 0; 2722 for (ptr = (u_int16_t *)meta, count = 0; count < 64; count++) 2723 checksum += *ptr++; 2724 meta->checksum -= checksum; 2725 2726 if (testing || bootverbose) 2727 ata_raid_jmicron_print_meta(meta); 2728 2729 if (ata_raid_rw(rdp->disks[disk].dev, 2730 JMICRON_LBA(rdp->disks[disk].dev), 2731 meta, sizeof(struct jmicron_raid_conf), 2732 ATA_R_WRITE | ATA_R_DIRECT)) { 2733 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 2734 error = EIO; 2735 } 2736 } 2737 } 2738 /* handle spares XXX SOS */ 2739 2740 kfree(meta, M_AR); 2741 return error; 2742 } 2743 2744 /* LSILogic V2 MegaRAID Metadata */ 2745 static int 2746 ata_raid_lsiv2_read_meta(device_t dev, struct ar_softc **raidp) 2747 { 2748 struct ata_raid_subdisk *ars = device_get_softc(dev); 2749 device_t parent = device_get_parent(dev); 2750 struct lsiv2_raid_conf *meta; 2751 struct ar_softc *raid = NULL; 2752 int array, retval = 0; 2753 2754 meta = (struct lsiv2_raid_conf *)kmalloc(sizeof(struct lsiv2_raid_conf), 2755 M_AR, M_WAITOK | M_ZERO); 2756 2757 if (ata_raid_rw(parent, LSIV2_LBA(parent), 2758 meta, sizeof(struct lsiv2_raid_conf), ATA_R_READ)) { 2759 if (testing || bootverbose) 2760 device_printf(parent, "LSI (v2) read metadata failed\n"); 2761 goto lsiv2_out; 2762 } 2763 2764 /* check if this is a LSI RAID struct */ 2765 if (strncmp(meta->lsi_id, LSIV2_MAGIC, strlen(LSIV2_MAGIC))) { 2766 if (testing || bootverbose) 2767 device_printf(parent, "LSI (v2) check1 failed\n"); 2768 goto lsiv2_out; 2769 } 2770 2771 if (testing || bootverbose) 2772 ata_raid_lsiv2_print_meta(meta); 2773 2774 /* now convert LSI (v2) config meta into our generic form */ 2775 for (array = 0; array < MAX_ARRAYS; array++) { 2776 int raid_entry, conf_entry; 2777 2778 if (!raidp[array + meta->raid_number]) { 2779 raidp[array + meta->raid_number] = 2780 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2781 M_WAITOK | M_ZERO); 2782 } 2783 raid = raidp[array + meta->raid_number]; 2784 if (raid->format && (raid->format != AR_F_LSIV2_RAID)) 2785 continue; 2786 2787 if (raid->magic_0 && 2788 ((raid->magic_0 != meta->timestamp) || 2789 (raid->magic_1 != meta->raid_number))) 2790 continue; 2791 2792 array += meta->raid_number; 2793 2794 raid_entry = meta->raid_number; 2795 conf_entry = (meta->configs[raid_entry].raid.config_offset >> 4) + 2796 meta->disk_number - 1; 2797 2798 switch (meta->configs[raid_entry].raid.type) { 2799 case LSIV2_T_RAID0: 2800 raid->magic_0 = meta->timestamp; 2801 raid->magic_1 = meta->raid_number; 2802 raid->type = AR_T_RAID0; 2803 raid->interleave = meta->configs[raid_entry].raid.stripe_sectors; 2804 raid->width = meta->configs[raid_entry].raid.array_width; 2805 break; 2806 2807 case LSIV2_T_RAID1: 2808 raid->magic_0 = meta->timestamp; 2809 raid->magic_1 = meta->raid_number; 2810 raid->type = AR_T_RAID1; 2811 raid->width = meta->configs[raid_entry].raid.array_width; 2812 break; 2813 2814 case LSIV2_T_RAID0 | LSIV2_T_RAID1: 2815 raid->magic_0 = meta->timestamp; 2816 raid->magic_1 = meta->raid_number; 2817 raid->type = AR_T_RAID01; 2818 raid->interleave = meta->configs[raid_entry].raid.stripe_sectors; 2819 raid->width = meta->configs[raid_entry].raid.array_width; 2820 break; 2821 2822 default: 2823 device_printf(parent, "LSI v2 unknown RAID type 0x%02x\n", 2824 meta->configs[raid_entry].raid.type); 2825 kfree(raidp[array], M_AR); 2826 raidp[array] = NULL; 2827 goto lsiv2_out; 2828 } 2829 2830 raid->format = AR_F_LSIV2_RAID; 2831 raid->generation = 0; 2832 raid->total_disks = meta->configs[raid_entry].raid.disk_count; 2833 raid->total_sectors = meta->configs[raid_entry].raid.total_sectors; 2834 raid->heads = 255; 2835 raid->sectors = 63; 2836 raid->cylinders = raid->total_sectors / (63 * 255); 2837 raid->offset_sectors = 0; 2838 raid->rebuild_lba = 0; 2839 raid->lun = array; 2840 2841 if (meta->configs[conf_entry].disk.device != LSIV2_D_NONE) { 2842 raid->disks[meta->disk_number].dev = parent; 2843 raid->disks[meta->disk_number].sectors = 2844 meta->configs[conf_entry].disk.disk_sectors; 2845 raid->disks[meta->disk_number].flags = 2846 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 2847 ars->raid[raid->volume] = raid; 2848 ars->disk_number[raid->volume] = meta->disk_number; 2849 retval = 1; 2850 } 2851 else 2852 raid->disks[meta->disk_number].flags &= ~AR_DF_ONLINE; 2853 2854 break; 2855 } 2856 2857 lsiv2_out: 2858 kfree(meta, M_AR); 2859 return retval; 2860 } 2861 2862 /* LSILogic V3 MegaRAID Metadata */ 2863 static int 2864 ata_raid_lsiv3_read_meta(device_t dev, struct ar_softc **raidp) 2865 { 2866 struct ata_raid_subdisk *ars = device_get_softc(dev); 2867 device_t parent = device_get_parent(dev); 2868 struct lsiv3_raid_conf *meta; 2869 struct ar_softc *raid = NULL; 2870 u_int8_t checksum, *ptr; 2871 int array, entry, count, disk_number, retval = 0; 2872 2873 meta = (struct lsiv3_raid_conf *)kmalloc(sizeof(struct lsiv3_raid_conf), 2874 M_AR, M_WAITOK | M_ZERO); 2875 2876 if (ata_raid_rw(parent, LSIV3_LBA(parent), 2877 meta, sizeof(struct lsiv3_raid_conf), ATA_R_READ)) { 2878 if (testing || bootverbose) 2879 device_printf(parent, "LSI (v3) read metadata failed\n"); 2880 goto lsiv3_out; 2881 } 2882 2883 /* check if this is a LSI RAID struct */ 2884 if (strncmp(meta->lsi_id, LSIV3_MAGIC, strlen(LSIV3_MAGIC))) { 2885 if (testing || bootverbose) 2886 device_printf(parent, "LSI (v3) check1 failed\n"); 2887 goto lsiv3_out; 2888 } 2889 2890 /* check if the checksum is OK */ 2891 for (checksum = 0, ptr = meta->lsi_id, count = 0; count < 512; count++) 2892 checksum += *ptr++; 2893 if (checksum) { 2894 if (testing || bootverbose) 2895 device_printf(parent, "LSI (v3) check2 failed\n"); 2896 goto lsiv3_out; 2897 } 2898 2899 if (testing || bootverbose) 2900 ata_raid_lsiv3_print_meta(meta); 2901 2902 /* now convert LSI (v3) config meta into our generic form */ 2903 for (array = 0, entry = 0; array < MAX_ARRAYS && entry < 8;) { 2904 if (!raidp[array]) { 2905 raidp[array] = 2906 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2907 M_WAITOK | M_ZERO); 2908 } 2909 raid = raidp[array]; 2910 if (raid->format && (raid->format != AR_F_LSIV3_RAID)) { 2911 array++; 2912 continue; 2913 } 2914 2915 if ((raid->format == AR_F_LSIV3_RAID) && 2916 (raid->magic_0 != meta->timestamp)) { 2917 array++; 2918 continue; 2919 } 2920 2921 switch (meta->raid[entry].total_disks) { 2922 case 0: 2923 entry++; 2924 continue; 2925 case 1: 2926 if (meta->raid[entry].device == meta->device) { 2927 disk_number = 0; 2928 break; 2929 } 2930 if (raid->format) 2931 array++; 2932 entry++; 2933 continue; 2934 case 2: 2935 disk_number = (meta->device & (LSIV3_D_DEVICE|LSIV3_D_CHANNEL))?1:0; 2936 break; 2937 default: 2938 device_printf(parent, "lsiv3 > 2 disk support untested!!\n"); 2939 disk_number = (meta->device & LSIV3_D_DEVICE ? 1 : 0) + 2940 (meta->device & LSIV3_D_CHANNEL ? 2 : 0); 2941 break; 2942 } 2943 2944 switch (meta->raid[entry].type) { 2945 case LSIV3_T_RAID0: 2946 raid->type = AR_T_RAID0; 2947 raid->width = meta->raid[entry].total_disks; 2948 break; 2949 2950 case LSIV3_T_RAID1: 2951 raid->type = AR_T_RAID1; 2952 raid->width = meta->raid[entry].array_width; 2953 break; 2954 2955 default: 2956 device_printf(parent, "LSI v3 unknown RAID type 0x%02x\n", 2957 meta->raid[entry].type); 2958 kfree(raidp[array], M_AR); 2959 raidp[array] = NULL; 2960 entry++; 2961 continue; 2962 } 2963 2964 raid->magic_0 = meta->timestamp; 2965 raid->format = AR_F_LSIV3_RAID; 2966 raid->generation = 0; 2967 raid->interleave = meta->raid[entry].stripe_pages * 8; 2968 raid->total_disks = meta->raid[entry].total_disks; 2969 raid->total_sectors = raid->width * meta->raid[entry].sectors; 2970 raid->heads = 255; 2971 raid->sectors = 63; 2972 raid->cylinders = raid->total_sectors / (63 * 255); 2973 raid->offset_sectors = meta->raid[entry].offset; 2974 raid->rebuild_lba = 0; 2975 raid->lun = array; 2976 2977 raid->disks[disk_number].dev = parent; 2978 raid->disks[disk_number].sectors = raid->total_sectors / raid->width; 2979 raid->disks[disk_number].flags = 2980 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 2981 ars->raid[raid->volume] = raid; 2982 ars->disk_number[raid->volume] = disk_number; 2983 retval = 1; 2984 entry++; 2985 array++; 2986 } 2987 2988 lsiv3_out: 2989 kfree(meta, M_AR); 2990 return retval; 2991 } 2992 2993 /* nVidia MediaShield Metadata */ 2994 static int 2995 ata_raid_nvidia_read_meta(device_t dev, struct ar_softc **raidp) 2996 { 2997 struct ata_raid_subdisk *ars = device_get_softc(dev); 2998 device_t parent = device_get_parent(dev); 2999 struct nvidia_raid_conf *meta; 3000 struct ar_softc *raid = NULL; 3001 u_int32_t checksum, *ptr; 3002 int array, count, retval = 0; 3003 3004 meta = (struct nvidia_raid_conf *)kmalloc(sizeof(struct nvidia_raid_conf), 3005 M_AR, M_WAITOK | M_ZERO); 3006 3007 if (ata_raid_rw(parent, NVIDIA_LBA(parent), 3008 meta, sizeof(struct nvidia_raid_conf), ATA_R_READ)) { 3009 if (testing || bootverbose) 3010 device_printf(parent, "nVidia read metadata failed\n"); 3011 goto nvidia_out; 3012 } 3013 3014 /* check if this is a nVidia RAID struct */ 3015 if (strncmp(meta->nvidia_id, NV_MAGIC, strlen(NV_MAGIC))) { 3016 if (testing || bootverbose) 3017 device_printf(parent, "nVidia check1 failed\n"); 3018 goto nvidia_out; 3019 } 3020 3021 /* check if the checksum is OK */ 3022 for (checksum = 0, ptr = (u_int32_t*)meta, count = 0; 3023 count < meta->config_size; count++) 3024 checksum += *ptr++; 3025 if (checksum) { 3026 if (testing || bootverbose) 3027 device_printf(parent, "nVidia check2 failed\n"); 3028 goto nvidia_out; 3029 } 3030 3031 if (testing || bootverbose) 3032 ata_raid_nvidia_print_meta(meta); 3033 3034 /* now convert nVidia meta into our generic form */ 3035 for (array = 0; array < MAX_ARRAYS; array++) { 3036 if (!raidp[array]) { 3037 raidp[array] = 3038 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3039 M_WAITOK | M_ZERO); 3040 } 3041 raid = raidp[array]; 3042 if (raid->format && (raid->format != AR_F_NVIDIA_RAID)) 3043 continue; 3044 3045 if (raid->format == AR_F_NVIDIA_RAID && 3046 ((raid->magic_0 != meta->magic_1) || 3047 (raid->magic_1 != meta->magic_2))) { 3048 continue; 3049 } 3050 3051 switch (meta->type) { 3052 case NV_T_SPAN: 3053 raid->type = AR_T_SPAN; 3054 break; 3055 3056 case NV_T_RAID0: 3057 raid->type = AR_T_RAID0; 3058 break; 3059 3060 case NV_T_RAID1: 3061 raid->type = AR_T_RAID1; 3062 break; 3063 3064 case NV_T_RAID5: 3065 raid->type = AR_T_RAID5; 3066 break; 3067 3068 case NV_T_RAID01: 3069 raid->type = AR_T_RAID01; 3070 break; 3071 3072 default: 3073 device_printf(parent, "nVidia unknown RAID type 0x%02x\n", 3074 meta->type); 3075 kfree(raidp[array], M_AR); 3076 raidp[array] = NULL; 3077 goto nvidia_out; 3078 } 3079 raid->magic_0 = meta->magic_1; 3080 raid->magic_1 = meta->magic_2; 3081 raid->format = AR_F_NVIDIA_RAID; 3082 raid->generation = 0; 3083 raid->interleave = meta->stripe_sectors; 3084 raid->width = meta->array_width; 3085 raid->total_disks = meta->total_disks; 3086 raid->total_sectors = meta->total_sectors; 3087 raid->heads = 255; 3088 raid->sectors = 63; 3089 raid->cylinders = raid->total_sectors / (63 * 255); 3090 raid->offset_sectors = 0; 3091 raid->rebuild_lba = meta->rebuild_lba; 3092 raid->lun = array; 3093 raid->status = AR_S_READY; 3094 if (meta->status & NV_S_DEGRADED) 3095 raid->status |= AR_S_DEGRADED; 3096 3097 raid->disks[meta->disk_number].dev = parent; 3098 raid->disks[meta->disk_number].sectors = 3099 raid->total_sectors / raid->width; 3100 raid->disks[meta->disk_number].flags = 3101 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 3102 ars->raid[raid->volume] = raid; 3103 ars->disk_number[raid->volume] = meta->disk_number; 3104 retval = 1; 3105 break; 3106 } 3107 3108 nvidia_out: 3109 kfree(meta, M_AR); 3110 return retval; 3111 } 3112 3113 /* Promise FastTrak Metadata */ 3114 static int 3115 ata_raid_promise_read_meta(device_t dev, struct ar_softc **raidp, int native) 3116 { 3117 struct ata_raid_subdisk *ars = device_get_softc(dev); 3118 device_t parent = device_get_parent(dev); 3119 struct promise_raid_conf *meta; 3120 struct ar_softc *raid; 3121 u_int32_t checksum, *ptr; 3122 int array, count, disk, disksum = 0, retval = 0; 3123 3124 meta = (struct promise_raid_conf *) 3125 kmalloc(sizeof(struct promise_raid_conf), M_AR, M_WAITOK | M_ZERO); 3126 3127 if (ata_raid_rw(parent, PROMISE_LBA(parent), 3128 meta, sizeof(struct promise_raid_conf), ATA_R_READ)) { 3129 if (testing || bootverbose) 3130 device_printf(parent, "%s read metadata failed\n", 3131 native ? "FreeBSD" : "Promise"); 3132 goto promise_out; 3133 } 3134 3135 /* check the signature */ 3136 if (native) { 3137 if (strncmp(meta->promise_id, ATA_MAGIC, strlen(ATA_MAGIC))) { 3138 if (testing || bootverbose) 3139 device_printf(parent, "FreeBSD check1 failed\n"); 3140 goto promise_out; 3141 } 3142 } 3143 else { 3144 if (strncmp(meta->promise_id, PR_MAGIC, strlen(PR_MAGIC))) { 3145 if (testing || bootverbose) 3146 device_printf(parent, "Promise check1 failed\n"); 3147 goto promise_out; 3148 } 3149 } 3150 3151 /* check if the checksum is OK */ 3152 for (checksum = 0, ptr = (u_int32_t *)meta, count = 0; count < 511; count++) 3153 checksum += *ptr++; 3154 if (checksum != *ptr) { 3155 if (testing || bootverbose) 3156 device_printf(parent, "%s check2 failed\n", 3157 native ? "FreeBSD" : "Promise"); 3158 goto promise_out; 3159 } 3160 3161 /* check on disk integrity status */ 3162 if (meta->raid.integrity != PR_I_VALID) { 3163 if (testing || bootverbose) 3164 device_printf(parent, "%s check3 failed\n", 3165 native ? "FreeBSD" : "Promise"); 3166 goto promise_out; 3167 } 3168 3169 if (testing || bootverbose) 3170 ata_raid_promise_print_meta(meta); 3171 3172 /* now convert Promise metadata into our generic form */ 3173 for (array = 0; array < MAX_ARRAYS; array++) { 3174 if (!raidp[array]) { 3175 raidp[array] = 3176 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3177 M_WAITOK | M_ZERO); 3178 } 3179 raid = raidp[array]; 3180 if (raid->format && 3181 (raid->format != (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID))) 3182 continue; 3183 3184 if ((raid->format == (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID))&& 3185 !(meta->raid.magic_1 == (raid->magic_1))) 3186 continue; 3187 3188 /* update our knowledge about the array config based on generation */ 3189 if (!meta->raid.generation || meta->raid.generation > raid->generation){ 3190 switch (meta->raid.type) { 3191 case PR_T_SPAN: 3192 raid->type = AR_T_SPAN; 3193 break; 3194 3195 case PR_T_JBOD: 3196 raid->type = AR_T_JBOD; 3197 break; 3198 3199 case PR_T_RAID0: 3200 raid->type = AR_T_RAID0; 3201 break; 3202 3203 case PR_T_RAID1: 3204 raid->type = AR_T_RAID1; 3205 if (meta->raid.array_width > 1) 3206 raid->type = AR_T_RAID01; 3207 break; 3208 3209 case PR_T_RAID5: 3210 raid->type = AR_T_RAID5; 3211 break; 3212 3213 default: 3214 device_printf(parent, "%s unknown RAID type 0x%02x\n", 3215 native ? "FreeBSD" : "Promise", meta->raid.type); 3216 kfree(raidp[array], M_AR); 3217 raidp[array] = NULL; 3218 goto promise_out; 3219 } 3220 raid->magic_1 = meta->raid.magic_1; 3221 raid->format = (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID); 3222 raid->generation = meta->raid.generation; 3223 raid->interleave = 1 << meta->raid.stripe_shift; 3224 raid->width = meta->raid.array_width; 3225 raid->total_disks = meta->raid.total_disks; 3226 raid->heads = meta->raid.heads + 1; 3227 raid->sectors = meta->raid.sectors; 3228 raid->cylinders = meta->raid.cylinders + 1; 3229 raid->total_sectors = meta->raid.total_sectors; 3230 raid->offset_sectors = 0; 3231 raid->rebuild_lba = meta->raid.rebuild_lba; 3232 raid->lun = array; 3233 if ((meta->raid.status & 3234 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY)) == 3235 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY)) { 3236 raid->status |= AR_S_READY; 3237 if (meta->raid.status & PR_S_DEGRADED) 3238 raid->status |= AR_S_DEGRADED; 3239 } 3240 else 3241 raid->status &= ~AR_S_READY; 3242 3243 /* convert disk flags to our internal types */ 3244 for (disk = 0; disk < meta->raid.total_disks; disk++) { 3245 raid->disks[disk].dev = NULL; 3246 raid->disks[disk].flags = 0; 3247 *((u_int64_t *)(raid->disks[disk].serial)) = 3248 meta->raid.disk[disk].magic_0; 3249 disksum += meta->raid.disk[disk].flags; 3250 if (meta->raid.disk[disk].flags & PR_F_ONLINE) 3251 raid->disks[disk].flags |= AR_DF_ONLINE; 3252 if (meta->raid.disk[disk].flags & PR_F_ASSIGNED) 3253 raid->disks[disk].flags |= AR_DF_ASSIGNED; 3254 if (meta->raid.disk[disk].flags & PR_F_SPARE) { 3255 raid->disks[disk].flags &= ~(AR_DF_ONLINE | AR_DF_ASSIGNED); 3256 raid->disks[disk].flags |= AR_DF_SPARE; 3257 } 3258 if (meta->raid.disk[disk].flags & (PR_F_REDIR | PR_F_DOWN)) 3259 raid->disks[disk].flags &= ~AR_DF_ONLINE; 3260 } 3261 if (!disksum) { 3262 device_printf(parent, "%s subdisks has no flags\n", 3263 native ? "FreeBSD" : "Promise"); 3264 kfree(raidp[array], M_AR); 3265 raidp[array] = NULL; 3266 goto promise_out; 3267 } 3268 } 3269 if (meta->raid.generation >= raid->generation) { 3270 int disk_number = meta->raid.disk_number; 3271 3272 if (raid->disks[disk_number].flags && (meta->magic_0 == 3273 *((u_int64_t *)(raid->disks[disk_number].serial)))) { 3274 raid->disks[disk_number].dev = parent; 3275 raid->disks[disk_number].flags |= AR_DF_PRESENT; 3276 raid->disks[disk_number].sectors = meta->raid.disk_sectors; 3277 if ((raid->disks[disk_number].flags & 3278 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE)) == 3279 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE)) { 3280 ars->raid[raid->volume] = raid; 3281 ars->disk_number[raid->volume] = disk_number; 3282 retval = 1; 3283 } 3284 } 3285 } 3286 break; 3287 } 3288 3289 promise_out: 3290 kfree(meta, M_AR); 3291 return retval; 3292 } 3293 3294 static int 3295 ata_raid_promise_write_meta(struct ar_softc *rdp) 3296 { 3297 struct promise_raid_conf *meta; 3298 struct timeval timestamp; 3299 u_int32_t *ckptr; 3300 int count, disk, drive, error = 0; 3301 3302 meta = (struct promise_raid_conf *) 3303 kmalloc(sizeof(struct promise_raid_conf), M_AR, M_WAITOK); 3304 3305 rdp->generation++; 3306 microtime(×tamp); 3307 3308 for (disk = 0; disk < rdp->total_disks; disk++) { 3309 for (count = 0; count < sizeof(struct promise_raid_conf); count++) 3310 *(((u_int8_t *)meta) + count) = 255 - (count % 256); 3311 meta->dummy_0 = 0x00020000; 3312 meta->raid.disk_number = disk; 3313 3314 if (rdp->disks[disk].dev) { 3315 struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev); 3316 struct ata_channel *ch = 3317 device_get_softc(device_get_parent(rdp->disks[disk].dev)); 3318 3319 meta->raid.channel = ch->unit; 3320 meta->raid.device = ATA_DEV(atadev->unit); 3321 meta->raid.disk_sectors = rdp->disks[disk].sectors; 3322 meta->raid.disk_offset = rdp->offset_sectors; 3323 } 3324 else { 3325 meta->raid.channel = 0; 3326 meta->raid.device = 0; 3327 meta->raid.disk_sectors = 0; 3328 meta->raid.disk_offset = 0; 3329 } 3330 meta->magic_0 = PR_MAGIC0(meta->raid) | timestamp.tv_sec; 3331 meta->magic_1 = timestamp.tv_sec >> 16; 3332 meta->magic_2 = timestamp.tv_sec; 3333 meta->raid.integrity = PR_I_VALID; 3334 meta->raid.magic_0 = meta->magic_0; 3335 meta->raid.rebuild_lba = rdp->rebuild_lba; 3336 meta->raid.generation = rdp->generation; 3337 3338 if (rdp->status & AR_S_READY) { 3339 meta->raid.flags = (PR_F_VALID | PR_F_ASSIGNED | PR_F_ONLINE); 3340 meta->raid.status = 3341 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY); 3342 if (rdp->status & AR_S_DEGRADED) 3343 meta->raid.status |= PR_S_DEGRADED; 3344 else 3345 meta->raid.status |= PR_S_FUNCTIONAL; 3346 } 3347 else { 3348 meta->raid.flags = PR_F_DOWN; 3349 meta->raid.status = 0; 3350 } 3351 3352 switch (rdp->type) { 3353 case AR_T_RAID0: 3354 meta->raid.type = PR_T_RAID0; 3355 break; 3356 case AR_T_RAID1: 3357 meta->raid.type = PR_T_RAID1; 3358 break; 3359 case AR_T_RAID01: 3360 meta->raid.type = PR_T_RAID1; 3361 break; 3362 case AR_T_RAID5: 3363 meta->raid.type = PR_T_RAID5; 3364 break; 3365 case AR_T_SPAN: 3366 meta->raid.type = PR_T_SPAN; 3367 break; 3368 case AR_T_JBOD: 3369 meta->raid.type = PR_T_JBOD; 3370 break; 3371 default: 3372 kfree(meta, M_AR); 3373 return ENODEV; 3374 } 3375 3376 meta->raid.total_disks = rdp->total_disks; 3377 meta->raid.stripe_shift = ffs(rdp->interleave) - 1; 3378 meta->raid.array_width = rdp->width; 3379 meta->raid.array_number = rdp->lun; 3380 meta->raid.total_sectors = rdp->total_sectors; 3381 meta->raid.cylinders = rdp->cylinders - 1; 3382 meta->raid.heads = rdp->heads - 1; 3383 meta->raid.sectors = rdp->sectors; 3384 meta->raid.magic_1 = (u_int64_t)meta->magic_2<<16 | meta->magic_1; 3385 3386 bzero(&meta->raid.disk, 8 * 12); 3387 for (drive = 0; drive < rdp->total_disks; drive++) { 3388 meta->raid.disk[drive].flags = 0; 3389 if (rdp->disks[drive].flags & AR_DF_PRESENT) 3390 meta->raid.disk[drive].flags |= PR_F_VALID; 3391 if (rdp->disks[drive].flags & AR_DF_ASSIGNED) 3392 meta->raid.disk[drive].flags |= PR_F_ASSIGNED; 3393 if (rdp->disks[drive].flags & AR_DF_ONLINE) 3394 meta->raid.disk[drive].flags |= PR_F_ONLINE; 3395 else 3396 if (rdp->disks[drive].flags & AR_DF_PRESENT) 3397 meta->raid.disk[drive].flags = (PR_F_REDIR | PR_F_DOWN); 3398 if (rdp->disks[drive].flags & AR_DF_SPARE) 3399 meta->raid.disk[drive].flags |= PR_F_SPARE; 3400 meta->raid.disk[drive].dummy_0 = 0x0; 3401 if (rdp->disks[drive].dev) { 3402 struct ata_channel *ch = 3403 device_get_softc(device_get_parent(rdp->disks[drive].dev)); 3404 struct ata_device *atadev = 3405 device_get_softc(rdp->disks[drive].dev); 3406 3407 meta->raid.disk[drive].channel = ch->unit; 3408 meta->raid.disk[drive].device = ATA_DEV(atadev->unit); 3409 } 3410 meta->raid.disk[drive].magic_0 = 3411 PR_MAGIC0(meta->raid.disk[drive]) | timestamp.tv_sec; 3412 } 3413 3414 if (rdp->disks[disk].dev) { 3415 if ((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) == 3416 (AR_DF_PRESENT | AR_DF_ONLINE)) { 3417 if (rdp->format == AR_F_FREEBSD_RAID) 3418 bcopy(ATA_MAGIC, meta->promise_id, sizeof(ATA_MAGIC)); 3419 else 3420 bcopy(PR_MAGIC, meta->promise_id, sizeof(PR_MAGIC)); 3421 } 3422 else 3423 bzero(meta->promise_id, sizeof(meta->promise_id)); 3424 meta->checksum = 0; 3425 for (ckptr = (int32_t *)meta, count = 0; count < 511; count++) 3426 meta->checksum += *ckptr++; 3427 if (testing || bootverbose) 3428 ata_raid_promise_print_meta(meta); 3429 if (ata_raid_rw(rdp->disks[disk].dev, 3430 PROMISE_LBA(rdp->disks[disk].dev), 3431 meta, sizeof(struct promise_raid_conf), 3432 ATA_R_WRITE | ATA_R_DIRECT)) { 3433 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 3434 error = EIO; 3435 } 3436 } 3437 } 3438 kfree(meta, M_AR); 3439 return error; 3440 } 3441 3442 /* Silicon Image Medley Metadata */ 3443 static int 3444 ata_raid_sii_read_meta(device_t dev, struct ar_softc **raidp) 3445 { 3446 struct ata_raid_subdisk *ars = device_get_softc(dev); 3447 device_t parent = device_get_parent(dev); 3448 struct sii_raid_conf *meta; 3449 struct ar_softc *raid = NULL; 3450 u_int16_t checksum, *ptr; 3451 int array, count, disk, retval = 0; 3452 3453 meta = (struct sii_raid_conf *)kmalloc(sizeof(struct sii_raid_conf), M_AR, 3454 M_WAITOK | M_ZERO); 3455 3456 if (ata_raid_rw(parent, SII_LBA(parent), 3457 meta, sizeof(struct sii_raid_conf), ATA_R_READ)) { 3458 if (testing || bootverbose) 3459 device_printf(parent, "Silicon Image read metadata failed\n"); 3460 goto sii_out; 3461 } 3462 3463 /* check if this is a Silicon Image (Medley) RAID struct */ 3464 for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 160; count++) 3465 checksum += *ptr++; 3466 if (checksum) { 3467 if (testing || bootverbose) 3468 device_printf(parent, "Silicon Image check1 failed\n"); 3469 goto sii_out; 3470 } 3471 3472 for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 256; count++) 3473 checksum += *ptr++; 3474 if (checksum != meta->checksum_1) { 3475 if (testing || bootverbose) 3476 device_printf(parent, "Silicon Image check2 failed\n"); 3477 goto sii_out; 3478 } 3479 3480 /* check verison */ 3481 if (meta->version_major != 0x0002 || 3482 (meta->version_minor != 0x0000 && meta->version_minor != 0x0001)) { 3483 if (testing || bootverbose) 3484 device_printf(parent, "Silicon Image check3 failed\n"); 3485 goto sii_out; 3486 } 3487 3488 if (testing || bootverbose) 3489 ata_raid_sii_print_meta(meta); 3490 3491 /* now convert Silicon Image meta into our generic form */ 3492 for (array = 0; array < MAX_ARRAYS; array++) { 3493 if (!raidp[array]) { 3494 raidp[array] = 3495 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3496 M_WAITOK | M_ZERO); 3497 } 3498 raid = raidp[array]; 3499 if (raid->format && (raid->format != AR_F_SII_RAID)) 3500 continue; 3501 3502 if (raid->format == AR_F_SII_RAID && 3503 (raid->magic_0 != *((u_int64_t *)meta->timestamp))) { 3504 continue; 3505 } 3506 3507 /* update our knowledge about the array config based on generation */ 3508 if (!meta->generation || meta->generation > raid->generation) { 3509 switch (meta->type) { 3510 case SII_T_RAID0: 3511 raid->type = AR_T_RAID0; 3512 break; 3513 3514 case SII_T_RAID1: 3515 raid->type = AR_T_RAID1; 3516 break; 3517 3518 case SII_T_RAID01: 3519 raid->type = AR_T_RAID01; 3520 break; 3521 3522 case SII_T_SPARE: 3523 device_printf(parent, "Silicon Image SPARE disk\n"); 3524 kfree(raidp[array], M_AR); 3525 raidp[array] = NULL; 3526 goto sii_out; 3527 3528 default: 3529 device_printf(parent,"Silicon Image unknown RAID type 0x%02x\n", 3530 meta->type); 3531 kfree(raidp[array], M_AR); 3532 raidp[array] = NULL; 3533 goto sii_out; 3534 } 3535 raid->magic_0 = *((u_int64_t *)meta->timestamp); 3536 raid->format = AR_F_SII_RAID; 3537 raid->generation = meta->generation; 3538 raid->interleave = meta->stripe_sectors; 3539 raid->width = (meta->raid0_disks != 0xff) ? meta->raid0_disks : 1; 3540 raid->total_disks = 3541 ((meta->raid0_disks != 0xff) ? meta->raid0_disks : 0) + 3542 ((meta->raid1_disks != 0xff) ? meta->raid1_disks : 0); 3543 raid->total_sectors = meta->total_sectors; 3544 raid->heads = 255; 3545 raid->sectors = 63; 3546 raid->cylinders = raid->total_sectors / (63 * 255); 3547 raid->offset_sectors = 0; 3548 raid->rebuild_lba = meta->rebuild_lba; 3549 raid->lun = array; 3550 strncpy(raid->name, meta->name, 3551 min(sizeof(raid->name), sizeof(meta->name))); 3552 3553 /* clear out any old info */ 3554 if (raid->generation) { 3555 for (disk = 0; disk < raid->total_disks; disk++) { 3556 raid->disks[disk].dev = NULL; 3557 raid->disks[disk].flags = 0; 3558 } 3559 } 3560 } 3561 if (meta->generation >= raid->generation) { 3562 /* XXX SOS add check for the right physical disk by serial# */ 3563 if (meta->status & SII_S_READY) { 3564 int disk_number = (raid->type == AR_T_RAID01) ? 3565 meta->raid1_ident + (meta->raid0_ident << 1) : 3566 meta->disk_number; 3567 3568 raid->disks[disk_number].dev = parent; 3569 raid->disks[disk_number].sectors = 3570 raid->total_sectors / raid->width; 3571 raid->disks[disk_number].flags = 3572 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 3573 ars->raid[raid->volume] = raid; 3574 ars->disk_number[raid->volume] = disk_number; 3575 retval = 1; 3576 } 3577 } 3578 break; 3579 } 3580 3581 sii_out: 3582 kfree(meta, M_AR); 3583 return retval; 3584 } 3585 3586 /* Silicon Integrated Systems Metadata */ 3587 static int 3588 ata_raid_sis_read_meta(device_t dev, struct ar_softc **raidp) 3589 { 3590 struct ata_raid_subdisk *ars = device_get_softc(dev); 3591 device_t parent = device_get_parent(dev); 3592 struct sis_raid_conf *meta; 3593 struct ar_softc *raid = NULL; 3594 int array, disk_number, drive, retval = 0; 3595 3596 meta = (struct sis_raid_conf *)kmalloc(sizeof(struct sis_raid_conf), M_AR, 3597 M_WAITOK | M_ZERO); 3598 3599 if (ata_raid_rw(parent, SIS_LBA(parent), 3600 meta, sizeof(struct sis_raid_conf), ATA_R_READ)) { 3601 if (testing || bootverbose) 3602 device_printf(parent, 3603 "Silicon Integrated Systems read metadata failed\n"); 3604 } 3605 3606 /* check for SiS magic */ 3607 if (meta->magic != SIS_MAGIC) { 3608 if (testing || bootverbose) 3609 device_printf(parent, 3610 "Silicon Integrated Systems check1 failed\n"); 3611 goto sis_out; 3612 } 3613 3614 if (testing || bootverbose) 3615 ata_raid_sis_print_meta(meta); 3616 3617 /* now convert SiS meta into our generic form */ 3618 for (array = 0; array < MAX_ARRAYS; array++) { 3619 if (!raidp[array]) { 3620 raidp[array] = 3621 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3622 M_WAITOK | M_ZERO); 3623 } 3624 3625 raid = raidp[array]; 3626 if (raid->format && (raid->format != AR_F_SIS_RAID)) 3627 continue; 3628 3629 if ((raid->format == AR_F_SIS_RAID) && 3630 ((raid->magic_0 != meta->controller_pci_id) || 3631 (raid->magic_1 != meta->timestamp))) { 3632 continue; 3633 } 3634 3635 switch (meta->type_total_disks & SIS_T_MASK) { 3636 case SIS_T_JBOD: 3637 raid->type = AR_T_JBOD; 3638 raid->width = (meta->type_total_disks & SIS_D_MASK); 3639 raid->total_sectors += SIS_LBA(parent); 3640 break; 3641 3642 case SIS_T_RAID0: 3643 raid->type = AR_T_RAID0; 3644 raid->width = (meta->type_total_disks & SIS_D_MASK); 3645 if (!raid->total_sectors || 3646 (raid->total_sectors > (raid->width * SIS_LBA(parent)))) 3647 raid->total_sectors = raid->width * SIS_LBA(parent); 3648 break; 3649 3650 case SIS_T_RAID1: 3651 raid->type = AR_T_RAID1; 3652 raid->width = 1; 3653 if (!raid->total_sectors || (raid->total_sectors > SIS_LBA(parent))) 3654 raid->total_sectors = SIS_LBA(parent); 3655 break; 3656 3657 default: 3658 device_printf(parent, "Silicon Integrated Systems " 3659 "unknown RAID type 0x%08x\n", meta->magic); 3660 kfree(raidp[array], M_AR); 3661 raidp[array] = NULL; 3662 goto sis_out; 3663 } 3664 raid->magic_0 = meta->controller_pci_id; 3665 raid->magic_1 = meta->timestamp; 3666 raid->format = AR_F_SIS_RAID; 3667 raid->generation = 0; 3668 raid->interleave = meta->stripe_sectors; 3669 raid->total_disks = (meta->type_total_disks & SIS_D_MASK); 3670 raid->heads = 255; 3671 raid->sectors = 63; 3672 raid->cylinders = raid->total_sectors / (63 * 255); 3673 raid->offset_sectors = 0; 3674 raid->rebuild_lba = 0; 3675 raid->lun = array; 3676 /* XXX SOS if total_disks > 2 this doesn't float */ 3677 if (((meta->disks & SIS_D_MASTER) >> 4) == meta->disk_number) 3678 disk_number = 0; 3679 else 3680 disk_number = 1; 3681 3682 for (drive = 0; drive < raid->total_disks; drive++) { 3683 raid->disks[drive].sectors = raid->total_sectors/raid->width; 3684 if (drive == disk_number) { 3685 raid->disks[disk_number].dev = parent; 3686 raid->disks[disk_number].flags = 3687 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 3688 ars->raid[raid->volume] = raid; 3689 ars->disk_number[raid->volume] = disk_number; 3690 } 3691 } 3692 retval = 1; 3693 break; 3694 } 3695 3696 sis_out: 3697 kfree(meta, M_AR); 3698 return retval; 3699 } 3700 3701 static int 3702 ata_raid_sis_write_meta(struct ar_softc *rdp) 3703 { 3704 struct sis_raid_conf *meta; 3705 struct timeval timestamp; 3706 int disk, error = 0; 3707 3708 meta = (struct sis_raid_conf *)kmalloc(sizeof(struct sis_raid_conf), M_AR, 3709 M_WAITOK | M_ZERO); 3710 3711 rdp->generation++; 3712 microtime(×tamp); 3713 3714 meta->magic = SIS_MAGIC; 3715 /* XXX SOS if total_disks > 2 this doesn't float */ 3716 for (disk = 0; disk < rdp->total_disks; disk++) { 3717 if (rdp->disks[disk].dev) { 3718 struct ata_channel *ch = 3719 device_get_softc(device_get_parent(rdp->disks[disk].dev)); 3720 struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev); 3721 int disk_number = 1 + ATA_DEV(atadev->unit) + (ch->unit << 1); 3722 3723 meta->disks |= disk_number << ((1 - disk) << 2); 3724 } 3725 } 3726 switch (rdp->type) { 3727 case AR_T_JBOD: 3728 meta->type_total_disks = SIS_T_JBOD; 3729 break; 3730 3731 case AR_T_RAID0: 3732 meta->type_total_disks = SIS_T_RAID0; 3733 break; 3734 3735 case AR_T_RAID1: 3736 meta->type_total_disks = SIS_T_RAID1; 3737 break; 3738 3739 default: 3740 kfree(meta, M_AR); 3741 return ENODEV; 3742 } 3743 meta->type_total_disks |= (rdp->total_disks & SIS_D_MASK); 3744 meta->stripe_sectors = rdp->interleave; 3745 meta->timestamp = timestamp.tv_sec; 3746 3747 for (disk = 0; disk < rdp->total_disks; disk++) { 3748 if (rdp->disks[disk].dev) { 3749 struct ata_channel *ch = 3750 device_get_softc(device_get_parent(rdp->disks[disk].dev)); 3751 struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev); 3752 3753 meta->controller_pci_id = 3754 (pci_get_vendor(GRANDPARENT(rdp->disks[disk].dev)) << 16) | 3755 pci_get_device(GRANDPARENT(rdp->disks[disk].dev)); 3756 bcopy(atadev->param.model, meta->model, sizeof(meta->model)); 3757 3758 /* XXX SOS if total_disks > 2 this may not float */ 3759 meta->disk_number = 1 + ATA_DEV(atadev->unit) + (ch->unit << 1); 3760 3761 if (testing || bootverbose) 3762 ata_raid_sis_print_meta(meta); 3763 3764 if (ata_raid_rw(rdp->disks[disk].dev, 3765 SIS_LBA(rdp->disks[disk].dev), 3766 meta, sizeof(struct sis_raid_conf), 3767 ATA_R_WRITE | ATA_R_DIRECT)) { 3768 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 3769 error = EIO; 3770 } 3771 } 3772 } 3773 kfree(meta, M_AR); 3774 return error; 3775 } 3776 3777 /* VIA Tech V-RAID Metadata */ 3778 static int 3779 ata_raid_via_read_meta(device_t dev, struct ar_softc **raidp) 3780 { 3781 struct ata_raid_subdisk *ars = device_get_softc(dev); 3782 device_t parent = device_get_parent(dev); 3783 struct via_raid_conf *meta; 3784 struct ar_softc *raid = NULL; 3785 u_int8_t checksum, *ptr; 3786 int array, count, disk, retval = 0; 3787 3788 meta = (struct via_raid_conf *)kmalloc(sizeof(struct via_raid_conf), M_AR, 3789 M_WAITOK | M_ZERO); 3790 3791 if (ata_raid_rw(parent, VIA_LBA(parent), 3792 meta, sizeof(struct via_raid_conf), ATA_R_READ)) { 3793 if (testing || bootverbose) 3794 device_printf(parent, "VIA read metadata failed\n"); 3795 goto via_out; 3796 } 3797 3798 /* check if this is a VIA RAID struct */ 3799 if (meta->magic != VIA_MAGIC) { 3800 if (testing || bootverbose) 3801 device_printf(parent, "VIA check1 failed\n"); 3802 goto via_out; 3803 } 3804 3805 /* calculate checksum and compare for valid */ 3806 for (checksum = 0, ptr = (u_int8_t *)meta, count = 0; count < 50; count++) 3807 checksum += *ptr++; 3808 if (checksum != meta->checksum) { 3809 if (testing || bootverbose) 3810 device_printf(parent, "VIA check2 failed\n"); 3811 goto via_out; 3812 } 3813 3814 if (testing || bootverbose) 3815 ata_raid_via_print_meta(meta); 3816 3817 /* now convert VIA meta into our generic form */ 3818 for (array = 0; array < MAX_ARRAYS; array++) { 3819 if (!raidp[array]) { 3820 raidp[array] = 3821 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3822 M_WAITOK | M_ZERO); 3823 } 3824 raid = raidp[array]; 3825 if (raid->format && (raid->format != AR_F_VIA_RAID)) 3826 continue; 3827 3828 if (raid->format == AR_F_VIA_RAID && (raid->magic_0 != meta->disks[0])) 3829 continue; 3830 3831 switch (meta->type & VIA_T_MASK) { 3832 case VIA_T_RAID0: 3833 raid->type = AR_T_RAID0; 3834 raid->width = meta->stripe_layout & VIA_L_DISKS; 3835 if (!raid->total_sectors || 3836 (raid->total_sectors > (raid->width * meta->disk_sectors))) 3837 raid->total_sectors = raid->width * meta->disk_sectors; 3838 break; 3839 3840 case VIA_T_RAID1: 3841 raid->type = AR_T_RAID1; 3842 raid->width = 1; 3843 raid->total_sectors = meta->disk_sectors; 3844 break; 3845 3846 case VIA_T_RAID01: 3847 raid->type = AR_T_RAID01; 3848 raid->width = meta->stripe_layout & VIA_L_DISKS; 3849 if (!raid->total_sectors || 3850 (raid->total_sectors > (raid->width * meta->disk_sectors))) 3851 raid->total_sectors = raid->width * meta->disk_sectors; 3852 break; 3853 3854 case VIA_T_RAID5: 3855 raid->type = AR_T_RAID5; 3856 raid->width = meta->stripe_layout & VIA_L_DISKS; 3857 if (!raid->total_sectors || 3858 (raid->total_sectors > ((raid->width - 1)*meta->disk_sectors))) 3859 raid->total_sectors = (raid->width - 1) * meta->disk_sectors; 3860 break; 3861 3862 case VIA_T_SPAN: 3863 raid->type = AR_T_SPAN; 3864 raid->width = 1; 3865 raid->total_sectors += meta->disk_sectors; 3866 break; 3867 3868 default: 3869 device_printf(parent,"VIA unknown RAID type 0x%02x\n", meta->type); 3870 kfree(raidp[array], M_AR); 3871 raidp[array] = NULL; 3872 goto via_out; 3873 } 3874 raid->magic_0 = meta->disks[0]; 3875 raid->format = AR_F_VIA_RAID; 3876 raid->generation = 0; 3877 raid->interleave = 3878 0x08 << ((meta->stripe_layout & VIA_L_MASK) >> VIA_L_SHIFT); 3879 for (count = 0, disk = 0; disk < 8; disk++) 3880 if (meta->disks[disk]) 3881 count++; 3882 raid->total_disks = count; 3883 raid->heads = 255; 3884 raid->sectors = 63; 3885 raid->cylinders = raid->total_sectors / (63 * 255); 3886 raid->offset_sectors = 0; 3887 raid->rebuild_lba = 0; 3888 raid->lun = array; 3889 3890 for (disk = 0; disk < raid->total_disks; disk++) { 3891 if (meta->disks[disk] == meta->disk_id) { 3892 raid->disks[disk].dev = parent; 3893 bcopy(&meta->disk_id, raid->disks[disk].serial, 3894 sizeof(u_int32_t)); 3895 raid->disks[disk].sectors = meta->disk_sectors; 3896 raid->disks[disk].flags = 3897 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 3898 ars->raid[raid->volume] = raid; 3899 ars->disk_number[raid->volume] = disk; 3900 retval = 1; 3901 break; 3902 } 3903 } 3904 break; 3905 } 3906 3907 via_out: 3908 kfree(meta, M_AR); 3909 return retval; 3910 } 3911 3912 static int 3913 ata_raid_via_write_meta(struct ar_softc *rdp) 3914 { 3915 struct via_raid_conf *meta; 3916 int disk, error = 0; 3917 3918 meta = (struct via_raid_conf *)kmalloc(sizeof(struct via_raid_conf), M_AR, 3919 M_WAITOK | M_ZERO); 3920 3921 rdp->generation++; 3922 3923 meta->magic = VIA_MAGIC; 3924 meta->dummy_0 = 0x02; 3925 switch (rdp->type) { 3926 case AR_T_SPAN: 3927 meta->type = VIA_T_SPAN; 3928 meta->stripe_layout = (rdp->total_disks & VIA_L_DISKS); 3929 break; 3930 3931 case AR_T_RAID0: 3932 meta->type = VIA_T_RAID0; 3933 meta->stripe_layout = ((rdp->interleave >> 1) & VIA_L_MASK); 3934 meta->stripe_layout |= (rdp->total_disks & VIA_L_DISKS); 3935 break; 3936 3937 case AR_T_RAID1: 3938 meta->type = VIA_T_RAID1; 3939 meta->stripe_layout = (rdp->total_disks & VIA_L_DISKS); 3940 break; 3941 3942 case AR_T_RAID5: 3943 meta->type = VIA_T_RAID5; 3944 meta->stripe_layout = ((rdp->interleave >> 1) & VIA_L_MASK); 3945 meta->stripe_layout |= (rdp->total_disks & VIA_L_DISKS); 3946 break; 3947 3948 case AR_T_RAID01: 3949 meta->type = VIA_T_RAID01; 3950 meta->stripe_layout = ((rdp->interleave >> 1) & VIA_L_MASK); 3951 meta->stripe_layout |= (rdp->width & VIA_L_DISKS); 3952 break; 3953 3954 default: 3955 kfree(meta, M_AR); 3956 return ENODEV; 3957 } 3958 meta->type |= VIA_T_BOOTABLE; /* XXX SOS */ 3959 meta->disk_sectors = 3960 rdp->total_sectors / (rdp->width - (rdp->type == AR_RAID5)); 3961 for (disk = 0; disk < rdp->total_disks; disk++) 3962 meta->disks[disk] = (u_int32_t)(uintptr_t)rdp->disks[disk].dev; 3963 3964 for (disk = 0; disk < rdp->total_disks; disk++) { 3965 if (rdp->disks[disk].dev) { 3966 u_int8_t *ptr; 3967 int count; 3968 3969 meta->disk_index = disk * sizeof(u_int32_t); 3970 if (rdp->type == AR_T_RAID01) 3971 meta->disk_index = ((meta->disk_index & 0x08) << 2) | 3972 (meta->disk_index & ~0x08); 3973 meta->disk_id = meta->disks[disk]; 3974 meta->checksum = 0; 3975 for (ptr = (u_int8_t *)meta, count = 0; count < 50; count++) 3976 meta->checksum += *ptr++; 3977 3978 if (testing || bootverbose) 3979 ata_raid_via_print_meta(meta); 3980 3981 if (ata_raid_rw(rdp->disks[disk].dev, 3982 VIA_LBA(rdp->disks[disk].dev), 3983 meta, sizeof(struct via_raid_conf), 3984 ATA_R_WRITE | ATA_R_DIRECT)) { 3985 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 3986 error = EIO; 3987 } 3988 } 3989 } 3990 kfree(meta, M_AR); 3991 return error; 3992 } 3993 3994 static struct ata_request * 3995 ata_raid_init_request(struct ar_softc *rdp, struct bio *bio) 3996 { 3997 struct ata_request *request; 3998 3999 if (!(request = ata_alloc_request())) { 4000 kprintf("FAILURE - out of memory in ata_raid_init_request\n"); 4001 return NULL; 4002 } 4003 request->timeout = ATA_DEFAULT_TIMEOUT; 4004 request->retries = 2; 4005 request->callback = ata_raid_done; 4006 request->driver = rdp; 4007 request->bio = bio; 4008 switch (request->bio->bio_buf->b_cmd) { 4009 case BUF_CMD_READ: 4010 request->flags = ATA_R_READ; 4011 break; 4012 case BUF_CMD_WRITE: 4013 request->flags = ATA_R_WRITE; 4014 break; 4015 case BUF_CMD_FLUSH: 4016 request->flags = ATA_R_CONTROL; 4017 break; 4018 default: 4019 kprintf("ar%d: FAILURE - unknown BUF operation\n", rdp->lun); 4020 ata_free_request(request); 4021 #if 0 4022 bio->bio_buf->b_flags |= B_ERROR; 4023 bio->bio_buf->b_error = EIO; 4024 biodone(bio); 4025 #endif /* 0 */ 4026 return(NULL); 4027 } 4028 return request; 4029 } 4030 4031 static int 4032 ata_raid_send_request(struct ata_request *request) 4033 { 4034 struct ata_device *atadev = device_get_softc(request->dev); 4035 4036 request->transfersize = min(request->bytecount, atadev->max_iosize); 4037 if (request->flags & ATA_R_READ) { 4038 if (atadev->mode >= ATA_DMA) { 4039 request->flags |= ATA_R_DMA; 4040 request->u.ata.command = ATA_READ_DMA; 4041 } 4042 else if (atadev->max_iosize > DEV_BSIZE) 4043 request->u.ata.command = ATA_READ_MUL; 4044 else 4045 request->u.ata.command = ATA_READ; 4046 } 4047 else if (request->flags & ATA_R_WRITE) { 4048 if (atadev->mode >= ATA_DMA) { 4049 request->flags |= ATA_R_DMA; 4050 request->u.ata.command = ATA_WRITE_DMA; 4051 } 4052 else if (atadev->max_iosize > DEV_BSIZE) 4053 request->u.ata.command = ATA_WRITE_MUL; 4054 else 4055 request->u.ata.command = ATA_WRITE; 4056 } 4057 else { 4058 device_printf(request->dev, "FAILURE - unknown IO operation\n"); 4059 ata_free_request(request); 4060 return EIO; 4061 } 4062 request->flags |= (ATA_R_ORDERED | ATA_R_THREAD); 4063 ata_queue_request(request); 4064 return 0; 4065 } 4066 4067 static int 4068 ata_raid_rw(device_t dev, u_int64_t lba, void *data, u_int bcount, int flags) 4069 { 4070 struct ata_device *atadev = device_get_softc(dev); 4071 struct ata_request *request; 4072 int error; 4073 4074 if (bcount % DEV_BSIZE) { 4075 device_printf(dev, "FAILURE - transfers must be modulo sectorsize\n"); 4076 return ENOMEM; 4077 } 4078 4079 if (!(request = ata_alloc_request())) { 4080 device_printf(dev, "FAILURE - out of memory in ata_raid_rw\n"); 4081 return ENOMEM; 4082 } 4083 4084 /* setup request */ 4085 request->dev = dev; 4086 request->timeout = 10; 4087 request->retries = 0; 4088 request->data = data; 4089 request->bytecount = bcount; 4090 request->transfersize = DEV_BSIZE; 4091 request->u.ata.lba = lba; 4092 request->u.ata.count = request->bytecount / DEV_BSIZE; 4093 request->flags = flags; 4094 4095 if (flags & ATA_R_READ) { 4096 if (atadev->mode >= ATA_DMA) { 4097 request->u.ata.command = ATA_READ_DMA; 4098 request->flags |= ATA_R_DMA; 4099 } 4100 else 4101 request->u.ata.command = ATA_READ; 4102 ata_queue_request(request); 4103 } 4104 else if (flags & ATA_R_WRITE) { 4105 if (atadev->mode >= ATA_DMA) { 4106 request->u.ata.command = ATA_WRITE_DMA; 4107 request->flags |= ATA_R_DMA; 4108 } 4109 else 4110 request->u.ata.command = ATA_WRITE; 4111 ata_queue_request(request); 4112 } 4113 else { 4114 device_printf(dev, "FAILURE - unknown IO operation\n"); 4115 request->result = EIO; 4116 } 4117 error = request->result; 4118 ata_free_request(request); 4119 return error; 4120 } 4121 4122 /* 4123 * module handeling 4124 */ 4125 static int 4126 ata_raid_subdisk_probe(device_t dev) 4127 { 4128 device_quiet(dev); 4129 return 0; 4130 } 4131 4132 static int 4133 ata_raid_subdisk_attach(device_t dev) 4134 { 4135 struct ata_raid_subdisk *ars = device_get_softc(dev); 4136 int volume; 4137 4138 for (volume = 0; volume < MAX_VOLUMES; volume++) { 4139 ars->raid[volume] = NULL; 4140 ars->disk_number[volume] = -1; 4141 } 4142 ata_raid_read_metadata(dev); 4143 return 0; 4144 } 4145 4146 static int 4147 ata_raid_subdisk_detach(device_t dev) 4148 { 4149 struct ata_raid_subdisk *ars = device_get_softc(dev); 4150 int volume; 4151 4152 for (volume = 0; volume < MAX_VOLUMES; volume++) { 4153 if (ars->raid[volume]) { 4154 ars->raid[volume]->disks[ars->disk_number[volume]].flags &= 4155 ~(AR_DF_PRESENT | AR_DF_ONLINE); 4156 ars->raid[volume]->disks[ars->disk_number[volume]].dev = NULL; 4157 ata_raid_config_changed(ars->raid[volume], 1); 4158 ars->raid[volume] = NULL; 4159 ars->disk_number[volume] = -1; 4160 } 4161 } 4162 return 0; 4163 } 4164 4165 static device_method_t ata_raid_sub_methods[] = { 4166 /* device interface */ 4167 DEVMETHOD(device_probe, ata_raid_subdisk_probe), 4168 DEVMETHOD(device_attach, ata_raid_subdisk_attach), 4169 DEVMETHOD(device_detach, ata_raid_subdisk_detach), 4170 { 0, 0 } 4171 }; 4172 4173 static driver_t ata_raid_sub_driver = { 4174 "subdisk", 4175 ata_raid_sub_methods, 4176 sizeof(struct ata_raid_subdisk) 4177 }; 4178 4179 DRIVER_MODULE(subdisk, ad, ata_raid_sub_driver, ata_raid_sub_devclass, NULL, NULL); 4180 4181 static int 4182 ata_raid_module_event_handler(module_t mod, int what, void *arg) 4183 { 4184 int i; 4185 4186 switch (what) { 4187 case MOD_LOAD: 4188 if (testing || bootverbose) 4189 kprintf("ATA PseudoRAID loaded\n"); 4190 #if 0 4191 /* setup table to hold metadata for all ATA PseudoRAID arrays */ 4192 ata_raid_arrays = kmalloc(sizeof(struct ar_soft *) * MAX_ARRAYS, 4193 M_AR, M_WAITOK | M_ZERO); 4194 #endif 4195 /* attach found PseudoRAID arrays */ 4196 for (i = 0; i < MAX_ARRAYS; i++) { 4197 struct ar_softc *rdp = ata_raid_arrays[i]; 4198 4199 if (!rdp || !rdp->format) 4200 continue; 4201 if (testing || bootverbose) 4202 ata_raid_print_meta(rdp); 4203 ata_raid_attach(rdp, 0); 4204 } 4205 ata_raid_ioctl_func = ata_raid_ioctl; 4206 return 0; 4207 4208 case MOD_UNLOAD: 4209 /* detach found PseudoRAID arrays */ 4210 for (i = 0; i < MAX_ARRAYS; i++) { 4211 struct ar_softc *rdp = ata_raid_arrays[i]; 4212 4213 if (!rdp || !rdp->status) 4214 continue; 4215 disk_destroy(&rdp->disk); 4216 } 4217 if (testing || bootverbose) 4218 kprintf("ATA PseudoRAID unloaded\n"); 4219 #if 0 4220 kfree(ata_raid_arrays, M_AR); 4221 #endif 4222 ata_raid_ioctl_func = NULL; 4223 return 0; 4224 4225 default: 4226 return EOPNOTSUPP; 4227 } 4228 } 4229 4230 static moduledata_t ata_raid_moduledata = 4231 { "ataraid", ata_raid_module_event_handler, NULL }; 4232 DECLARE_MODULE(ata, ata_raid_moduledata, SI_SUB_RAID, SI_ORDER_FIRST); 4233 MODULE_VERSION(ataraid, 1); 4234 MODULE_DEPEND(ataraid, ata, 1, 1, 1); 4235 MODULE_DEPEND(ataraid, ad, 1, 1, 1); 4236 4237 static char * 4238 ata_raid_format(struct ar_softc *rdp) 4239 { 4240 switch (rdp->format) { 4241 case AR_F_FREEBSD_RAID: return "FreeBSD PseudoRAID"; 4242 case AR_F_ADAPTEC_RAID: return "Adaptec HostRAID"; 4243 case AR_F_HPTV2_RAID: return "HighPoint v2 RocketRAID"; 4244 case AR_F_HPTV3_RAID: return "HighPoint v3 RocketRAID"; 4245 case AR_F_INTEL_RAID: return "Intel MatrixRAID"; 4246 case AR_F_ITE_RAID: return "Integrated Technology Express"; 4247 case AR_F_JMICRON_RAID: return "JMicron Technology Corp"; 4248 case AR_F_LSIV2_RAID: return "LSILogic v2 MegaRAID"; 4249 case AR_F_LSIV3_RAID: return "LSILogic v3 MegaRAID"; 4250 case AR_F_NVIDIA_RAID: return "nVidia MediaShield"; 4251 case AR_F_PROMISE_RAID: return "Promise Fasttrak"; 4252 case AR_F_SII_RAID: return "Silicon Image Medley"; 4253 case AR_F_SIS_RAID: return "Silicon Integrated Systems"; 4254 case AR_F_VIA_RAID: return "VIA Tech V-RAID"; 4255 default: return "UNKNOWN"; 4256 } 4257 } 4258 4259 static char * 4260 ata_raid_type(struct ar_softc *rdp) 4261 { 4262 switch (rdp->type) { 4263 case AR_T_JBOD: return "JBOD"; 4264 case AR_T_SPAN: return "SPAN"; 4265 case AR_T_RAID0: return "RAID0"; 4266 case AR_T_RAID1: return "RAID1"; 4267 case AR_T_RAID3: return "RAID3"; 4268 case AR_T_RAID4: return "RAID4"; 4269 case AR_T_RAID5: return "RAID5"; 4270 case AR_T_RAID01: return "RAID0+1"; 4271 default: return "UNKNOWN"; 4272 } 4273 } 4274 4275 static char * 4276 ata_raid_flags(struct ar_softc *rdp) 4277 { 4278 switch (rdp->status & (AR_S_READY | AR_S_DEGRADED | AR_S_REBUILDING)) { 4279 case AR_S_READY: return "READY"; 4280 case AR_S_READY | AR_S_DEGRADED: return "DEGRADED"; 4281 case AR_S_READY | AR_S_REBUILDING: 4282 case AR_S_READY | AR_S_DEGRADED | AR_S_REBUILDING: return "REBUILDING"; 4283 default: return "BROKEN"; 4284 } 4285 } 4286 4287 /* debugging gunk */ 4288 static void 4289 ata_raid_print_meta(struct ar_softc *raid) 4290 { 4291 int i; 4292 4293 kprintf("********** ATA PseudoRAID ar%d Metadata **********\n", raid->lun); 4294 kprintf("=================================================\n"); 4295 kprintf("format %s\n", ata_raid_format(raid)); 4296 kprintf("type %s\n", ata_raid_type(raid)); 4297 kprintf("flags 0x%02x %b\n", raid->status, raid->status, 4298 "\20\3REBUILDING\2DEGRADED\1READY\n"); 4299 kprintf("magic_0 0x%016jx\n", raid->magic_0); 4300 kprintf("magic_1 0x%016jx\n",raid->magic_1); 4301 kprintf("generation %u\n", raid->generation); 4302 kprintf("total_sectors %ju\n", raid->total_sectors); 4303 kprintf("offset_sectors %ju\n", raid->offset_sectors); 4304 kprintf("heads %u\n", raid->heads); 4305 kprintf("sectors %u\n", raid->sectors); 4306 kprintf("cylinders %u\n", raid->cylinders); 4307 kprintf("width %u\n", raid->width); 4308 kprintf("interleave %u\n", raid->interleave); 4309 kprintf("total_disks %u\n", raid->total_disks); 4310 for (i = 0; i < raid->total_disks; i++) { 4311 kprintf(" disk %d: flags = 0x%02x %b\n", i, raid->disks[i].flags, 4312 raid->disks[i].flags, "\20\4ONLINE\3SPARE\2ASSIGNED\1PRESENT\n"); 4313 if (raid->disks[i].dev) { 4314 kprintf(" "); 4315 device_printf(raid->disks[i].dev, " sectors %jd\n", 4316 raid->disks[i].sectors); 4317 } 4318 } 4319 kprintf("=================================================\n"); 4320 } 4321 4322 static char * 4323 ata_raid_adaptec_type(int type) 4324 { 4325 static char buffer[16]; 4326 4327 switch (type) { 4328 case ADP_T_RAID0: return "RAID0"; 4329 case ADP_T_RAID1: return "RAID1"; 4330 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4331 return buffer; 4332 } 4333 } 4334 4335 static void 4336 ata_raid_adaptec_print_meta(struct adaptec_raid_conf *meta) 4337 { 4338 int i; 4339 4340 kprintf("********* ATA Adaptec HostRAID Metadata *********\n"); 4341 kprintf("magic_0 <0x%08x>\n", be32toh(meta->magic_0)); 4342 kprintf("generation 0x%08x\n", be32toh(meta->generation)); 4343 kprintf("dummy_0 0x%04x\n", be16toh(meta->dummy_0)); 4344 kprintf("total_configs %u\n", be16toh(meta->total_configs)); 4345 kprintf("dummy_1 0x%04x\n", be16toh(meta->dummy_1)); 4346 kprintf("checksum 0x%04x\n", be16toh(meta->checksum)); 4347 kprintf("dummy_2 0x%08x\n", be32toh(meta->dummy_2)); 4348 kprintf("dummy_3 0x%08x\n", be32toh(meta->dummy_3)); 4349 kprintf("flags 0x%08x\n", be32toh(meta->flags)); 4350 kprintf("timestamp 0x%08x\n", be32toh(meta->timestamp)); 4351 kprintf("dummy_4 0x%08x 0x%08x 0x%08x 0x%08x\n", 4352 be32toh(meta->dummy_4[0]), be32toh(meta->dummy_4[1]), 4353 be32toh(meta->dummy_4[2]), be32toh(meta->dummy_4[3])); 4354 kprintf("dummy_5 0x%08x 0x%08x 0x%08x 0x%08x\n", 4355 be32toh(meta->dummy_5[0]), be32toh(meta->dummy_5[1]), 4356 be32toh(meta->dummy_5[2]), be32toh(meta->dummy_5[3])); 4357 4358 for (i = 0; i < be16toh(meta->total_configs); i++) { 4359 kprintf(" %d total_disks %u\n", i, 4360 be16toh(meta->configs[i].disk_number)); 4361 kprintf(" %d generation %u\n", i, 4362 be16toh(meta->configs[i].generation)); 4363 kprintf(" %d magic_0 0x%08x\n", i, 4364 be32toh(meta->configs[i].magic_0)); 4365 kprintf(" %d dummy_0 0x%02x\n", i, meta->configs[i].dummy_0); 4366 kprintf(" %d type %s\n", i, 4367 ata_raid_adaptec_type(meta->configs[i].type)); 4368 kprintf(" %d dummy_1 0x%02x\n", i, meta->configs[i].dummy_1); 4369 kprintf(" %d flags %d\n", i, 4370 be32toh(meta->configs[i].flags)); 4371 kprintf(" %d dummy_2 0x%02x\n", i, meta->configs[i].dummy_2); 4372 kprintf(" %d dummy_3 0x%02x\n", i, meta->configs[i].dummy_3); 4373 kprintf(" %d dummy_4 0x%02x\n", i, meta->configs[i].dummy_4); 4374 kprintf(" %d dummy_5 0x%02x\n", i, meta->configs[i].dummy_5); 4375 kprintf(" %d disk_number %u\n", i, 4376 be32toh(meta->configs[i].disk_number)); 4377 kprintf(" %d dummy_6 0x%08x\n", i, 4378 be32toh(meta->configs[i].dummy_6)); 4379 kprintf(" %d sectors %u\n", i, 4380 be32toh(meta->configs[i].sectors)); 4381 kprintf(" %d stripe_shift %u\n", i, 4382 be16toh(meta->configs[i].stripe_shift)); 4383 kprintf(" %d dummy_7 0x%08x\n", i, 4384 be32toh(meta->configs[i].dummy_7)); 4385 kprintf(" %d dummy_8 0x%08x 0x%08x 0x%08x 0x%08x\n", i, 4386 be32toh(meta->configs[i].dummy_8[0]), 4387 be32toh(meta->configs[i].dummy_8[1]), 4388 be32toh(meta->configs[i].dummy_8[2]), 4389 be32toh(meta->configs[i].dummy_8[3])); 4390 kprintf(" %d name <%s>\n", i, meta->configs[i].name); 4391 } 4392 kprintf("magic_1 <0x%08x>\n", be32toh(meta->magic_1)); 4393 kprintf("magic_2 <0x%08x>\n", be32toh(meta->magic_2)); 4394 kprintf("magic_3 <0x%08x>\n", be32toh(meta->magic_3)); 4395 kprintf("magic_4 <0x%08x>\n", be32toh(meta->magic_4)); 4396 kprintf("=================================================\n"); 4397 } 4398 4399 static char * 4400 ata_raid_hptv2_type(int type) 4401 { 4402 static char buffer[16]; 4403 4404 switch (type) { 4405 case HPTV2_T_RAID0: return "RAID0"; 4406 case HPTV2_T_RAID1: return "RAID1"; 4407 case HPTV2_T_RAID01_RAID0: return "RAID01_RAID0"; 4408 case HPTV2_T_SPAN: return "SPAN"; 4409 case HPTV2_T_RAID_3: return "RAID3"; 4410 case HPTV2_T_RAID_5: return "RAID5"; 4411 case HPTV2_T_JBOD: return "JBOD"; 4412 case HPTV2_T_RAID01_RAID1: return "RAID01_RAID1"; 4413 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4414 return buffer; 4415 } 4416 } 4417 4418 static void 4419 ata_raid_hptv2_print_meta(struct hptv2_raid_conf *meta) 4420 { 4421 int i; 4422 4423 kprintf("****** ATA Highpoint V2 RocketRAID Metadata *****\n"); 4424 kprintf("magic 0x%08x\n", meta->magic); 4425 kprintf("magic_0 0x%08x\n", meta->magic_0); 4426 kprintf("magic_1 0x%08x\n", meta->magic_1); 4427 kprintf("order 0x%08x\n", meta->order); 4428 kprintf("array_width %u\n", meta->array_width); 4429 kprintf("stripe_shift %u\n", meta->stripe_shift); 4430 kprintf("type %s\n", ata_raid_hptv2_type(meta->type)); 4431 kprintf("disk_number %u\n", meta->disk_number); 4432 kprintf("total_sectors %u\n", meta->total_sectors); 4433 kprintf("disk_mode 0x%08x\n", meta->disk_mode); 4434 kprintf("boot_mode 0x%08x\n", meta->boot_mode); 4435 kprintf("boot_disk 0x%02x\n", meta->boot_disk); 4436 kprintf("boot_protect 0x%02x\n", meta->boot_protect); 4437 kprintf("log_entries 0x%02x\n", meta->error_log_entries); 4438 kprintf("log_index 0x%02x\n", meta->error_log_index); 4439 if (meta->error_log_entries) { 4440 kprintf(" timestamp reason disk status sectors lba\n"); 4441 for (i = meta->error_log_index; 4442 i < meta->error_log_index + meta->error_log_entries; i++) 4443 kprintf(" 0x%08x 0x%02x 0x%02x 0x%02x 0x%02x 0x%08x\n", 4444 meta->errorlog[i%32].timestamp, 4445 meta->errorlog[i%32].reason, 4446 meta->errorlog[i%32].disk, meta->errorlog[i%32].status, 4447 meta->errorlog[i%32].sectors, meta->errorlog[i%32].lba); 4448 } 4449 kprintf("rebuild_lba 0x%08x\n", meta->rebuild_lba); 4450 kprintf("dummy_1 0x%02x\n", meta->dummy_1); 4451 kprintf("name_1 <%.15s>\n", meta->name_1); 4452 kprintf("dummy_2 0x%02x\n", meta->dummy_2); 4453 kprintf("name_2 <%.15s>\n", meta->name_2); 4454 kprintf("=================================================\n"); 4455 } 4456 4457 static char * 4458 ata_raid_hptv3_type(int type) 4459 { 4460 static char buffer[16]; 4461 4462 switch (type) { 4463 case HPTV3_T_SPARE: return "SPARE"; 4464 case HPTV3_T_JBOD: return "JBOD"; 4465 case HPTV3_T_SPAN: return "SPAN"; 4466 case HPTV3_T_RAID0: return "RAID0"; 4467 case HPTV3_T_RAID1: return "RAID1"; 4468 case HPTV3_T_RAID3: return "RAID3"; 4469 case HPTV3_T_RAID5: return "RAID5"; 4470 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4471 return buffer; 4472 } 4473 } 4474 4475 static void 4476 ata_raid_hptv3_print_meta(struct hptv3_raid_conf *meta) 4477 { 4478 int i; 4479 4480 kprintf("****** ATA Highpoint V3 RocketRAID Metadata *****\n"); 4481 kprintf("magic 0x%08x\n", meta->magic); 4482 kprintf("magic_0 0x%08x\n", meta->magic_0); 4483 kprintf("checksum_0 0x%02x\n", meta->checksum_0); 4484 kprintf("mode 0x%02x\n", meta->mode); 4485 kprintf("user_mode 0x%02x\n", meta->user_mode); 4486 kprintf("config_entries 0x%02x\n", meta->config_entries); 4487 for (i = 0; i < meta->config_entries; i++) { 4488 kprintf("config %d:\n", i); 4489 kprintf(" total_sectors %ju\n", 4490 meta->configs[0].total_sectors + 4491 ((u_int64_t)meta->configs_high[0].total_sectors << 32)); 4492 kprintf(" type %s\n", 4493 ata_raid_hptv3_type(meta->configs[i].type)); 4494 kprintf(" total_disks %u\n", meta->configs[i].total_disks); 4495 kprintf(" disk_number %u\n", meta->configs[i].disk_number); 4496 kprintf(" stripe_shift %u\n", meta->configs[i].stripe_shift); 4497 kprintf(" status %b\n", meta->configs[i].status, 4498 "\20\2RAID5\1NEED_REBUILD\n"); 4499 kprintf(" critical_disks %u\n", meta->configs[i].critical_disks); 4500 kprintf(" rebuild_lba %ju\n", 4501 meta->configs_high[0].rebuild_lba + 4502 ((u_int64_t)meta->configs_high[0].rebuild_lba << 32)); 4503 } 4504 kprintf("name <%.16s>\n", meta->name); 4505 kprintf("timestamp 0x%08x\n", meta->timestamp); 4506 kprintf("description <%.16s>\n", meta->description); 4507 kprintf("creator <%.16s>\n", meta->creator); 4508 kprintf("checksum_1 0x%02x\n", meta->checksum_1); 4509 kprintf("dummy_0 0x%02x\n", meta->dummy_0); 4510 kprintf("dummy_1 0x%02x\n", meta->dummy_1); 4511 kprintf("flags %b\n", meta->flags, 4512 "\20\4RCACHE\3WCACHE\2NCQ\1TCQ\n"); 4513 kprintf("=================================================\n"); 4514 } 4515 4516 static char * 4517 ata_raid_intel_type(int type) 4518 { 4519 static char buffer[16]; 4520 4521 switch (type) { 4522 case INTEL_T_RAID0: return "RAID0"; 4523 case INTEL_T_RAID1: return "RAID1"; 4524 case INTEL_T_RAID5: return "RAID5"; 4525 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4526 return buffer; 4527 } 4528 } 4529 4530 static void 4531 ata_raid_intel_print_meta(struct intel_raid_conf *meta) 4532 { 4533 struct intel_raid_mapping *map; 4534 int i, j; 4535 4536 kprintf("********* ATA Intel MatrixRAID Metadata *********\n"); 4537 kprintf("intel_id <%.24s>\n", meta->intel_id); 4538 kprintf("version <%.6s>\n", meta->version); 4539 kprintf("checksum 0x%08x\n", meta->checksum); 4540 kprintf("config_size 0x%08x\n", meta->config_size); 4541 kprintf("config_id 0x%08x\n", meta->config_id); 4542 kprintf("generation 0x%08x\n", meta->generation); 4543 kprintf("total_disks %u\n", meta->total_disks); 4544 kprintf("total_volumes %u\n", meta->total_volumes); 4545 kprintf("DISK# serial disk_sectors disk_id flags\n"); 4546 for (i = 0; i < meta->total_disks; i++ ) { 4547 kprintf(" %d <%.16s> %u 0x%08x 0x%08x\n", i, 4548 meta->disk[i].serial, meta->disk[i].sectors, 4549 meta->disk[i].id, meta->disk[i].flags); 4550 } 4551 map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks]; 4552 for (j = 0; j < meta->total_volumes; j++) { 4553 kprintf("name %.16s\n", map->name); 4554 kprintf("total_sectors %ju\n", map->total_sectors); 4555 kprintf("state %u\n", map->state); 4556 kprintf("reserved %u\n", map->reserved); 4557 kprintf("offset %u\n", map->offset); 4558 kprintf("disk_sectors %u\n", map->disk_sectors); 4559 kprintf("stripe_count %u\n", map->stripe_count); 4560 kprintf("stripe_sectors %u\n", map->stripe_sectors); 4561 kprintf("status %u\n", map->status); 4562 kprintf("type %s\n", ata_raid_intel_type(map->type)); 4563 kprintf("total_disks %u\n", map->total_disks); 4564 kprintf("magic[0] 0x%02x\n", map->magic[0]); 4565 kprintf("magic[1] 0x%02x\n", map->magic[1]); 4566 kprintf("magic[2] 0x%02x\n", map->magic[2]); 4567 for (i = 0; i < map->total_disks; i++ ) { 4568 kprintf(" disk %d at disk_idx 0x%08x\n", i, map->disk_idx[i]); 4569 } 4570 map = (struct intel_raid_mapping *)&map->disk_idx[map->total_disks]; 4571 } 4572 kprintf("=================================================\n"); 4573 } 4574 4575 static char * 4576 ata_raid_ite_type(int type) 4577 { 4578 static char buffer[16]; 4579 4580 switch (type) { 4581 case ITE_T_RAID0: return "RAID0"; 4582 case ITE_T_RAID1: return "RAID1"; 4583 case ITE_T_RAID01: return "RAID0+1"; 4584 case ITE_T_SPAN: return "SPAN"; 4585 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4586 return buffer; 4587 } 4588 } 4589 4590 static void 4591 ata_raid_ite_print_meta(struct ite_raid_conf *meta) 4592 { 4593 kprintf("*** ATA Integrated Technology Express Metadata **\n"); 4594 kprintf("ite_id <%.40s>\n", meta->ite_id); 4595 kprintf("timestamp_0 %04x/%02x/%02x %02x:%02x:%02x.%02x\n", 4596 *((u_int16_t *)meta->timestamp_0), meta->timestamp_0[2], 4597 meta->timestamp_0[3], meta->timestamp_0[5], meta->timestamp_0[4], 4598 meta->timestamp_0[7], meta->timestamp_0[6]); 4599 kprintf("total_sectors %jd\n", meta->total_sectors); 4600 kprintf("type %s\n", ata_raid_ite_type(meta->type)); 4601 kprintf("stripe_1kblocks %u\n", meta->stripe_1kblocks); 4602 kprintf("timestamp_1 %04x/%02x/%02x %02x:%02x:%02x.%02x\n", 4603 *((u_int16_t *)meta->timestamp_1), meta->timestamp_1[2], 4604 meta->timestamp_1[3], meta->timestamp_1[5], meta->timestamp_1[4], 4605 meta->timestamp_1[7], meta->timestamp_1[6]); 4606 kprintf("stripe_sectors %u\n", meta->stripe_sectors); 4607 kprintf("array_width %u\n", meta->array_width); 4608 kprintf("disk_number %u\n", meta->disk_number); 4609 kprintf("disk_sectors %u\n", meta->disk_sectors); 4610 kprintf("=================================================\n"); 4611 } 4612 4613 static char * 4614 ata_raid_jmicron_type(int type) 4615 { 4616 static char buffer[16]; 4617 4618 switch (type) { 4619 case JM_T_RAID0: return "RAID0"; 4620 case JM_T_RAID1: return "RAID1"; 4621 case JM_T_RAID01: return "RAID0+1"; 4622 case JM_T_JBOD: return "JBOD"; 4623 case JM_T_RAID5: return "RAID5"; 4624 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4625 return buffer; 4626 } 4627 } 4628 4629 static void 4630 ata_raid_jmicron_print_meta(struct jmicron_raid_conf *meta) 4631 { 4632 int i; 4633 4634 kprintf("***** ATA JMicron Technology Corp Metadata ******\n"); 4635 kprintf("signature %.2s\n", meta->signature); 4636 kprintf("version 0x%04x\n", meta->version); 4637 kprintf("checksum 0x%04x\n", meta->checksum); 4638 kprintf("disk_id 0x%08x\n", meta->disk_id); 4639 kprintf("offset 0x%08x\n", meta->offset); 4640 kprintf("disk_sectors_low 0x%08x\n", meta->disk_sectors_low); 4641 kprintf("disk_sectors_high 0x%08x\n", meta->disk_sectors_high); 4642 kprintf("name %.16s\n", meta->name); 4643 kprintf("type %s\n", ata_raid_jmicron_type(meta->type)); 4644 kprintf("stripe_shift %d\n", meta->stripe_shift); 4645 kprintf("flags 0x%04x\n", meta->flags); 4646 kprintf("spare:\n"); 4647 for (i=0; i < 2 && meta->spare[i]; i++) 4648 kprintf(" %d 0x%08x\n", i, meta->spare[i]); 4649 kprintf("disks:\n"); 4650 for (i=0; i < 8 && meta->disks[i]; i++) 4651 kprintf(" %d 0x%08x\n", i, meta->disks[i]); 4652 kprintf("=================================================\n"); 4653 } 4654 4655 static char * 4656 ata_raid_lsiv2_type(int type) 4657 { 4658 static char buffer[16]; 4659 4660 switch (type) { 4661 case LSIV2_T_RAID0: return "RAID0"; 4662 case LSIV2_T_RAID1: return "RAID1"; 4663 case LSIV2_T_SPARE: return "SPARE"; 4664 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4665 return buffer; 4666 } 4667 } 4668 4669 static void 4670 ata_raid_lsiv2_print_meta(struct lsiv2_raid_conf *meta) 4671 { 4672 int i; 4673 4674 kprintf("******* ATA LSILogic V2 MegaRAID Metadata *******\n"); 4675 kprintf("lsi_id <%s>\n", meta->lsi_id); 4676 kprintf("dummy_0 0x%02x\n", meta->dummy_0); 4677 kprintf("flags 0x%02x\n", meta->flags); 4678 kprintf("version 0x%04x\n", meta->version); 4679 kprintf("config_entries 0x%02x\n", meta->config_entries); 4680 kprintf("raid_count 0x%02x\n", meta->raid_count); 4681 kprintf("total_disks 0x%02x\n", meta->total_disks); 4682 kprintf("dummy_1 0x%02x\n", meta->dummy_1); 4683 kprintf("dummy_2 0x%04x\n", meta->dummy_2); 4684 for (i = 0; i < meta->config_entries; i++) { 4685 kprintf(" type %s\n", 4686 ata_raid_lsiv2_type(meta->configs[i].raid.type)); 4687 kprintf(" dummy_0 %02x\n", meta->configs[i].raid.dummy_0); 4688 kprintf(" stripe_sectors %u\n", 4689 meta->configs[i].raid.stripe_sectors); 4690 kprintf(" array_width %u\n", 4691 meta->configs[i].raid.array_width); 4692 kprintf(" disk_count %u\n", meta->configs[i].raid.disk_count); 4693 kprintf(" config_offset %u\n", 4694 meta->configs[i].raid.config_offset); 4695 kprintf(" dummy_1 %u\n", meta->configs[i].raid.dummy_1); 4696 kprintf(" flags %02x\n", meta->configs[i].raid.flags); 4697 kprintf(" total_sectors %u\n", 4698 meta->configs[i].raid.total_sectors); 4699 } 4700 kprintf("disk_number 0x%02x\n", meta->disk_number); 4701 kprintf("raid_number 0x%02x\n", meta->raid_number); 4702 kprintf("timestamp 0x%08x\n", meta->timestamp); 4703 kprintf("=================================================\n"); 4704 } 4705 4706 static char * 4707 ata_raid_lsiv3_type(int type) 4708 { 4709 static char buffer[16]; 4710 4711 switch (type) { 4712 case LSIV3_T_RAID0: return "RAID0"; 4713 case LSIV3_T_RAID1: return "RAID1"; 4714 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4715 return buffer; 4716 } 4717 } 4718 4719 static void 4720 ata_raid_lsiv3_print_meta(struct lsiv3_raid_conf *meta) 4721 { 4722 int i; 4723 4724 kprintf("******* ATA LSILogic V3 MegaRAID Metadata *******\n"); 4725 kprintf("lsi_id <%.6s>\n", meta->lsi_id); 4726 kprintf("dummy_0 0x%04x\n", meta->dummy_0); 4727 kprintf("version 0x%04x\n", meta->version); 4728 kprintf("dummy_0 0x%04x\n", meta->dummy_1); 4729 kprintf("RAID configs:\n"); 4730 for (i = 0; i < 8; i++) { 4731 if (meta->raid[i].total_disks) { 4732 kprintf("%02d stripe_pages %u\n", i, 4733 meta->raid[i].stripe_pages); 4734 kprintf("%02d type %s\n", i, 4735 ata_raid_lsiv3_type(meta->raid[i].type)); 4736 kprintf("%02d total_disks %u\n", i, 4737 meta->raid[i].total_disks); 4738 kprintf("%02d array_width %u\n", i, 4739 meta->raid[i].array_width); 4740 kprintf("%02d sectors %u\n", i, meta->raid[i].sectors); 4741 kprintf("%02d offset %u\n", i, meta->raid[i].offset); 4742 kprintf("%02d device 0x%02x\n", i, 4743 meta->raid[i].device); 4744 } 4745 } 4746 kprintf("DISK configs:\n"); 4747 for (i = 0; i < 6; i++) { 4748 if (meta->disk[i].disk_sectors) { 4749 kprintf("%02d disk_sectors %u\n", i, 4750 meta->disk[i].disk_sectors); 4751 kprintf("%02d flags 0x%02x\n", i, meta->disk[i].flags); 4752 } 4753 } 4754 kprintf("device 0x%02x\n", meta->device); 4755 kprintf("timestamp 0x%08x\n", meta->timestamp); 4756 kprintf("checksum_1 0x%02x\n", meta->checksum_1); 4757 kprintf("=================================================\n"); 4758 } 4759 4760 static char * 4761 ata_raid_nvidia_type(int type) 4762 { 4763 static char buffer[16]; 4764 4765 switch (type) { 4766 case NV_T_SPAN: return "SPAN"; 4767 case NV_T_RAID0: return "RAID0"; 4768 case NV_T_RAID1: return "RAID1"; 4769 case NV_T_RAID3: return "RAID3"; 4770 case NV_T_RAID5: return "RAID5"; 4771 case NV_T_RAID01: return "RAID0+1"; 4772 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4773 return buffer; 4774 } 4775 } 4776 4777 static void 4778 ata_raid_nvidia_print_meta(struct nvidia_raid_conf *meta) 4779 { 4780 kprintf("******** ATA nVidia MediaShield Metadata ********\n"); 4781 kprintf("nvidia_id <%.8s>\n", meta->nvidia_id); 4782 kprintf("config_size %d\n", meta->config_size); 4783 kprintf("checksum 0x%08x\n", meta->checksum); 4784 kprintf("version 0x%04x\n", meta->version); 4785 kprintf("disk_number %d\n", meta->disk_number); 4786 kprintf("dummy_0 0x%02x\n", meta->dummy_0); 4787 kprintf("total_sectors %d\n", meta->total_sectors); 4788 kprintf("sectors_size %d\n", meta->sector_size); 4789 kprintf("serial %.16s\n", meta->serial); 4790 kprintf("revision %.4s\n", meta->revision); 4791 kprintf("dummy_1 0x%08x\n", meta->dummy_1); 4792 kprintf("magic_0 0x%08x\n", meta->magic_0); 4793 kprintf("magic_1 0x%016jx\n", meta->magic_1); 4794 kprintf("magic_2 0x%016jx\n", meta->magic_2); 4795 kprintf("flags 0x%02x\n", meta->flags); 4796 kprintf("array_width %d\n", meta->array_width); 4797 kprintf("total_disks %d\n", meta->total_disks); 4798 kprintf("dummy_2 0x%02x\n", meta->dummy_2); 4799 kprintf("type %s\n", ata_raid_nvidia_type(meta->type)); 4800 kprintf("dummy_3 0x%04x\n", meta->dummy_3); 4801 kprintf("stripe_sectors %d\n", meta->stripe_sectors); 4802 kprintf("stripe_bytes %d\n", meta->stripe_bytes); 4803 kprintf("stripe_shift %d\n", meta->stripe_shift); 4804 kprintf("stripe_mask 0x%08x\n", meta->stripe_mask); 4805 kprintf("stripe_sizesectors %d\n", meta->stripe_sizesectors); 4806 kprintf("stripe_sizebytes %d\n", meta->stripe_sizebytes); 4807 kprintf("rebuild_lba %d\n", meta->rebuild_lba); 4808 kprintf("dummy_4 0x%08x\n", meta->dummy_4); 4809 kprintf("dummy_5 0x%08x\n", meta->dummy_5); 4810 kprintf("status 0x%08x\n", meta->status); 4811 kprintf("=================================================\n"); 4812 } 4813 4814 static char * 4815 ata_raid_promise_type(int type) 4816 { 4817 static char buffer[16]; 4818 4819 switch (type) { 4820 case PR_T_RAID0: return "RAID0"; 4821 case PR_T_RAID1: return "RAID1"; 4822 case PR_T_RAID3: return "RAID3"; 4823 case PR_T_RAID5: return "RAID5"; 4824 case PR_T_SPAN: return "SPAN"; 4825 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4826 return buffer; 4827 } 4828 } 4829 4830 static void 4831 ata_raid_promise_print_meta(struct promise_raid_conf *meta) 4832 { 4833 int i; 4834 4835 kprintf("********* ATA Promise FastTrak Metadata *********\n"); 4836 kprintf("promise_id <%s>\n", meta->promise_id); 4837 kprintf("dummy_0 0x%08x\n", meta->dummy_0); 4838 kprintf("magic_0 0x%016jx\n", meta->magic_0); 4839 kprintf("magic_1 0x%04x\n", meta->magic_1); 4840 kprintf("magic_2 0x%08x\n", meta->magic_2); 4841 kprintf("integrity 0x%08x %b\n", meta->raid.integrity, 4842 meta->raid.integrity, "\20\10VALID\n" ); 4843 kprintf("flags 0x%02x %b\n", 4844 meta->raid.flags, meta->raid.flags, 4845 "\20\10READY\7DOWN\6REDIR\5DUPLICATE\4SPARE" 4846 "\3ASSIGNED\2ONLINE\1VALID\n"); 4847 kprintf("disk_number %d\n", meta->raid.disk_number); 4848 kprintf("channel 0x%02x\n", meta->raid.channel); 4849 kprintf("device 0x%02x\n", meta->raid.device); 4850 kprintf("magic_0 0x%016jx\n", meta->raid.magic_0); 4851 kprintf("disk_offset %u\n", meta->raid.disk_offset); 4852 kprintf("disk_sectors %u\n", meta->raid.disk_sectors); 4853 kprintf("rebuild_lba 0x%08x\n", meta->raid.rebuild_lba); 4854 kprintf("generation 0x%04x\n", meta->raid.generation); 4855 kprintf("status 0x%02x %b\n", 4856 meta->raid.status, meta->raid.status, 4857 "\20\6MARKED\5DEGRADED\4READY\3INITED\2ONLINE\1VALID\n"); 4858 kprintf("type %s\n", ata_raid_promise_type(meta->raid.type)); 4859 kprintf("total_disks %u\n", meta->raid.total_disks); 4860 kprintf("stripe_shift %u\n", meta->raid.stripe_shift); 4861 kprintf("array_width %u\n", meta->raid.array_width); 4862 kprintf("array_number %u\n", meta->raid.array_number); 4863 kprintf("total_sectors %u\n", meta->raid.total_sectors); 4864 kprintf("cylinders %u\n", meta->raid.cylinders); 4865 kprintf("heads %u\n", meta->raid.heads); 4866 kprintf("sectors %u\n", meta->raid.sectors); 4867 kprintf("magic_1 0x%016jx\n", meta->raid.magic_1); 4868 kprintf("DISK# flags dummy_0 channel device magic_0\n"); 4869 for (i = 0; i < 8; i++) { 4870 kprintf(" %d %b 0x%02x 0x%02x 0x%02x ", 4871 i, meta->raid.disk[i].flags, 4872 "\20\10READY\7DOWN\6REDIR\5DUPLICATE\4SPARE" 4873 "\3ASSIGNED\2ONLINE\1VALID\n", meta->raid.disk[i].dummy_0, 4874 meta->raid.disk[i].channel, meta->raid.disk[i].device); 4875 kprintf("0x%016jx\n", meta->raid.disk[i].magic_0); 4876 } 4877 kprintf("checksum 0x%08x\n", meta->checksum); 4878 kprintf("=================================================\n"); 4879 } 4880 4881 static char * 4882 ata_raid_sii_type(int type) 4883 { 4884 static char buffer[16]; 4885 4886 switch (type) { 4887 case SII_T_RAID0: return "RAID0"; 4888 case SII_T_RAID1: return "RAID1"; 4889 case SII_T_RAID01: return "RAID0+1"; 4890 case SII_T_SPARE: return "SPARE"; 4891 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4892 return buffer; 4893 } 4894 } 4895 4896 static void 4897 ata_raid_sii_print_meta(struct sii_raid_conf *meta) 4898 { 4899 kprintf("******* ATA Silicon Image Medley Metadata *******\n"); 4900 kprintf("total_sectors %ju\n", meta->total_sectors); 4901 kprintf("dummy_0 0x%04x\n", meta->dummy_0); 4902 kprintf("dummy_1 0x%04x\n", meta->dummy_1); 4903 kprintf("controller_pci_id 0x%08x\n", meta->controller_pci_id); 4904 kprintf("version_minor 0x%04x\n", meta->version_minor); 4905 kprintf("version_major 0x%04x\n", meta->version_major); 4906 kprintf("timestamp 20%02x/%02x/%02x %02x:%02x:%02x\n", 4907 meta->timestamp[5], meta->timestamp[4], meta->timestamp[3], 4908 meta->timestamp[2], meta->timestamp[1], meta->timestamp[0]); 4909 kprintf("stripe_sectors %u\n", meta->stripe_sectors); 4910 kprintf("dummy_2 0x%04x\n", meta->dummy_2); 4911 kprintf("disk_number %u\n", meta->disk_number); 4912 kprintf("type %s\n", ata_raid_sii_type(meta->type)); 4913 kprintf("raid0_disks %u\n", meta->raid0_disks); 4914 kprintf("raid0_ident %u\n", meta->raid0_ident); 4915 kprintf("raid1_disks %u\n", meta->raid1_disks); 4916 kprintf("raid1_ident %u\n", meta->raid1_ident); 4917 kprintf("rebuild_lba %ju\n", meta->rebuild_lba); 4918 kprintf("generation 0x%08x\n", meta->generation); 4919 kprintf("status 0x%02x %b\n", 4920 meta->status, meta->status, 4921 "\20\1READY\n"); 4922 kprintf("base_raid1_position %02x\n", meta->base_raid1_position); 4923 kprintf("base_raid0_position %02x\n", meta->base_raid0_position); 4924 kprintf("position %02x\n", meta->position); 4925 kprintf("dummy_3 %04x\n", meta->dummy_3); 4926 kprintf("name <%.16s>\n", meta->name); 4927 kprintf("checksum_0 0x%04x\n", meta->checksum_0); 4928 kprintf("checksum_1 0x%04x\n", meta->checksum_1); 4929 kprintf("=================================================\n"); 4930 } 4931 4932 static char * 4933 ata_raid_sis_type(int type) 4934 { 4935 static char buffer[16]; 4936 4937 switch (type) { 4938 case SIS_T_JBOD: return "JBOD"; 4939 case SIS_T_RAID0: return "RAID0"; 4940 case SIS_T_RAID1: return "RAID1"; 4941 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4942 return buffer; 4943 } 4944 } 4945 4946 static void 4947 ata_raid_sis_print_meta(struct sis_raid_conf *meta) 4948 { 4949 kprintf("**** ATA Silicon Integrated Systems Metadata ****\n"); 4950 kprintf("magic 0x%04x\n", meta->magic); 4951 kprintf("disks 0x%02x\n", meta->disks); 4952 kprintf("type %s\n", 4953 ata_raid_sis_type(meta->type_total_disks & SIS_T_MASK)); 4954 kprintf("total_disks %u\n", meta->type_total_disks & SIS_D_MASK); 4955 kprintf("dummy_0 0x%08x\n", meta->dummy_0); 4956 kprintf("controller_pci_id 0x%08x\n", meta->controller_pci_id); 4957 kprintf("stripe_sectors %u\n", meta->stripe_sectors); 4958 kprintf("dummy_1 0x%04x\n", meta->dummy_1); 4959 kprintf("timestamp 0x%08x\n", meta->timestamp); 4960 kprintf("model %.40s\n", meta->model); 4961 kprintf("disk_number %u\n", meta->disk_number); 4962 kprintf("dummy_2 0x%02x 0x%02x 0x%02x\n", 4963 meta->dummy_2[0], meta->dummy_2[1], meta->dummy_2[2]); 4964 kprintf("=================================================\n"); 4965 } 4966 4967 static char * 4968 ata_raid_via_type(int type) 4969 { 4970 static char buffer[16]; 4971 4972 switch (type) { 4973 case VIA_T_RAID0: return "RAID0"; 4974 case VIA_T_RAID1: return "RAID1"; 4975 case VIA_T_RAID5: return "RAID5"; 4976 case VIA_T_RAID01: return "RAID0+1"; 4977 case VIA_T_SPAN: return "SPAN"; 4978 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4979 return buffer; 4980 } 4981 } 4982 4983 static void 4984 ata_raid_via_print_meta(struct via_raid_conf *meta) 4985 { 4986 int i; 4987 4988 kprintf("*************** ATA VIA Metadata ****************\n"); 4989 kprintf("magic 0x%02x\n", meta->magic); 4990 kprintf("dummy_0 0x%02x\n", meta->dummy_0); 4991 kprintf("type %s\n", 4992 ata_raid_via_type(meta->type & VIA_T_MASK)); 4993 kprintf("bootable %d\n", meta->type & VIA_T_BOOTABLE); 4994 kprintf("unknown %d\n", meta->type & VIA_T_UNKNOWN); 4995 kprintf("disk_index 0x%02x\n", meta->disk_index); 4996 kprintf("stripe_layout 0x%02x\n", meta->stripe_layout); 4997 kprintf(" stripe_disks %d\n", meta->stripe_layout & VIA_L_DISKS); 4998 kprintf(" stripe_sectors %d\n", 4999 0x08 << ((meta->stripe_layout & VIA_L_MASK) >> VIA_L_SHIFT)); 5000 kprintf("disk_sectors %ju\n", meta->disk_sectors); 5001 kprintf("disk_id 0x%08x\n", meta->disk_id); 5002 kprintf("DISK# disk_id\n"); 5003 for (i = 0; i < 8; i++) { 5004 if (meta->disks[i]) 5005 kprintf(" %d 0x%08x\n", i, meta->disks[i]); 5006 } 5007 kprintf("checksum 0x%02x\n", meta->checksum); 5008 kprintf("=================================================\n"); 5009 } 5010