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/devicestat.h> 39 #include <sys/disk.h> 40 #include <sys/endian.h> 41 #include <sys/libkern.h> 42 #include <sys/malloc.h> 43 #include <sys/module.h> 44 #include <sys/nata.h> 45 #include <sys/spinlock2.h> 46 #include <sys/systm.h> 47 48 #include <vm/pmap.h> 49 50 #include <machine/md_var.h> 51 52 #include <bus/pci/pcivar.h> 53 54 #include "ata-all.h" 55 #include "ata-disk.h" 56 #include "ata-raid.h" 57 #include "ata-pci.h" 58 #include "ata_if.h" 59 60 61 /* device structure */ 62 static d_strategy_t ata_raid_strategy; 63 static d_dump_t ata_raid_dump; 64 static struct dev_ops ar_ops = { 65 { "ar", 0, D_DISK }, 66 .d_open = nullopen, 67 .d_close = nullclose, 68 .d_read = physread, 69 .d_write = physwrite, 70 .d_strategy = ata_raid_strategy, 71 .d_dump = ata_raid_dump, 72 }; 73 74 /* prototypes */ 75 static void ata_raid_done(struct ata_request *request); 76 static void ata_raid_config_changed(struct ar_softc *rdp, int writeback); 77 static int ata_raid_status(struct ata_ioc_raid_config *config); 78 static int ata_raid_create(struct ata_ioc_raid_config *config); 79 static int ata_raid_delete(int array); 80 static int ata_raid_addspare(struct ata_ioc_raid_config *config); 81 static int ata_raid_rebuild(int array); 82 static int ata_raid_read_metadata(device_t subdisk); 83 static int ata_raid_write_metadata(struct ar_softc *rdp); 84 static int ata_raid_wipe_metadata(struct ar_softc *rdp); 85 static int ata_raid_adaptec_read_meta(device_t dev, struct ar_softc **raidp); 86 static int ata_raid_hptv2_read_meta(device_t dev, struct ar_softc **raidp); 87 static int ata_raid_hptv2_write_meta(struct ar_softc *rdp); 88 static int ata_raid_hptv3_read_meta(device_t dev, struct ar_softc **raidp); 89 static int ata_raid_intel_read_meta(device_t dev, struct ar_softc **raidp); 90 static int ata_raid_intel_write_meta(struct ar_softc *rdp); 91 static int ata_raid_ite_read_meta(device_t dev, struct ar_softc **raidp); 92 static int ata_raid_jmicron_read_meta(device_t dev, struct ar_softc **raidp); 93 static int ata_raid_jmicron_write_meta(struct ar_softc *rdp); 94 static int ata_raid_lsiv2_read_meta(device_t dev, struct ar_softc **raidp); 95 static int ata_raid_lsiv3_read_meta(device_t dev, struct ar_softc **raidp); 96 static int ata_raid_nvidia_read_meta(device_t dev, struct ar_softc **raidp); 97 static int ata_raid_promise_read_meta(device_t dev, struct ar_softc **raidp, int native); 98 static int ata_raid_promise_write_meta(struct ar_softc *rdp); 99 static int ata_raid_sii_read_meta(device_t dev, struct ar_softc **raidp); 100 static int ata_raid_sis_read_meta(device_t dev, struct ar_softc **raidp); 101 static int ata_raid_sis_write_meta(struct ar_softc *rdp); 102 static int ata_raid_via_read_meta(device_t dev, struct ar_softc **raidp); 103 static int ata_raid_via_write_meta(struct ar_softc *rdp); 104 static struct ata_request *ata_raid_init_request(struct ar_softc *rdp, struct bio *bio); 105 static int ata_raid_send_request(struct ata_request *request); 106 static int ata_raid_rw(device_t dev, u_int64_t lba, void *data, u_int bcount, int flags); 107 static char * ata_raid_format(struct ar_softc *rdp); 108 static char * ata_raid_type(struct ar_softc *rdp); 109 static char * ata_raid_flags(struct ar_softc *rdp); 110 111 /* debugging only */ 112 static void ata_raid_print_meta(struct ar_softc *meta); 113 static void ata_raid_adaptec_print_meta(struct adaptec_raid_conf *meta); 114 static void ata_raid_hptv2_print_meta(struct hptv2_raid_conf *meta); 115 static void ata_raid_hptv3_print_meta(struct hptv3_raid_conf *meta); 116 static void ata_raid_intel_print_meta(struct intel_raid_conf *meta); 117 static void ata_raid_ite_print_meta(struct ite_raid_conf *meta); 118 static void ata_raid_jmicron_print_meta(struct jmicron_raid_conf *meta); 119 static void ata_raid_lsiv2_print_meta(struct lsiv2_raid_conf *meta); 120 static void ata_raid_lsiv3_print_meta(struct lsiv3_raid_conf *meta); 121 static void ata_raid_nvidia_print_meta(struct nvidia_raid_conf *meta); 122 static void ata_raid_promise_print_meta(struct promise_raid_conf *meta); 123 static void ata_raid_sii_print_meta(struct sii_raid_conf *meta); 124 static void ata_raid_sis_print_meta(struct sis_raid_conf *meta); 125 static void ata_raid_via_print_meta(struct via_raid_conf *meta); 126 127 /* internal vars */ 128 static struct ar_softc *ata_raid_arrays[MAX_ARRAYS]; 129 static MALLOC_DEFINE(M_AR, "ar_driver", "ATA PseudoRAID driver"); 130 static devclass_t ata_raid_sub_devclass; 131 static int testing = 0; 132 133 static void 134 ata_raid_attach(struct ar_softc *rdp, int writeback) 135 { 136 struct disk_info info; 137 cdev_t cdev; 138 char buffer[32]; 139 int disk; 140 141 spin_init(&rdp->lock); 142 ata_raid_config_changed(rdp, writeback); 143 144 /* sanitize arrays total_size % (width * interleave) == 0 */ 145 if (rdp->type == AR_T_RAID0 || rdp->type == AR_T_RAID01 || 146 rdp->type == AR_T_RAID5) { 147 rdp->total_sectors = (rdp->total_sectors/(rdp->interleave*rdp->width))* 148 (rdp->interleave * rdp->width); 149 ksprintf(buffer, " (stripe %d KB)", 150 (rdp->interleave * DEV_BSIZE) / 1024); 151 } 152 else 153 buffer[0] = '\0'; 154 155 devstat_add_entry(&rdp->devstat, "ar", rdp->lun, 156 DEV_BSIZE, DEVSTAT_NO_ORDERED_TAGS, 157 DEVSTAT_TYPE_STORARRAY | DEVSTAT_TYPE_IF_OTHER, 158 DEVSTAT_PRIORITY_ARRAY); 159 160 cdev = disk_create(rdp->lun, &rdp->disk, &ar_ops); 161 cdev->si_drv1 = rdp; 162 cdev->si_iosize_max = 128 * DEV_BSIZE; 163 rdp->cdev = cdev; 164 165 bzero(&info, sizeof(info)); 166 info.d_media_blksize = DEV_BSIZE; /* mandatory */ 167 info.d_media_blocks = rdp->total_sectors; 168 169 info.d_secpertrack = rdp->sectors; /* optional */ 170 info.d_nheads = rdp->heads; 171 info.d_ncylinders = rdp->total_sectors/(rdp->heads*rdp->sectors); 172 info.d_secpercyl = rdp->sectors * rdp->heads; 173 174 kprintf("ar%d: %juMB <%s %s%s> status: %s\n", rdp->lun, 175 rdp->total_sectors / ((1024L * 1024L) / DEV_BSIZE), 176 ata_raid_format(rdp), ata_raid_type(rdp), 177 buffer, ata_raid_flags(rdp)); 178 179 if (testing || bootverbose) 180 kprintf("ar%d: %ju sectors [%dC/%dH/%dS] <%s> subdisks defined as:\n", 181 rdp->lun, rdp->total_sectors, 182 rdp->cylinders, rdp->heads, rdp->sectors, rdp->name); 183 184 for (disk = 0; disk < rdp->total_disks; disk++) { 185 kprintf("ar%d: disk%d ", rdp->lun, disk); 186 if (rdp->disks[disk].dev) { 187 if (rdp->disks[disk].flags & AR_DF_PRESENT) { 188 /* status of this disk in the array */ 189 if (rdp->disks[disk].flags & AR_DF_ONLINE) 190 kprintf("READY "); 191 else if (rdp->disks[disk].flags & AR_DF_SPARE) 192 kprintf("SPARE "); 193 else 194 kprintf("FREE "); 195 196 /* what type of disk is this in the array */ 197 switch (rdp->type) { 198 case AR_T_RAID1: 199 case AR_T_RAID01: 200 if (disk < rdp->width) 201 kprintf("(master) "); 202 else 203 kprintf("(mirror) "); 204 } 205 206 /* which physical disk is used */ 207 kprintf("using %s at ata%d-%s\n", 208 device_get_nameunit(rdp->disks[disk].dev), 209 device_get_unit(device_get_parent(rdp->disks[disk].dev)), 210 (((struct ata_device *) 211 device_get_softc(rdp->disks[disk].dev))->unit == 212 ATA_MASTER) ? "master" : "slave"); 213 } 214 else if (rdp->disks[disk].flags & AR_DF_ASSIGNED) 215 kprintf("DOWN\n"); 216 else 217 kprintf("INVALID no RAID config on this subdisk\n"); 218 } 219 else 220 kprintf("DOWN no device found for this subdisk\n"); 221 } 222 223 disk_setdiskinfo(&rdp->disk, &info); 224 } 225 226 /* 227 * ATA PseudoRAID ioctl function. Note that this does not need to be adjusted 228 * to the dev_ops way, because it's just chained from the generic ata ioctl. 229 */ 230 static int 231 ata_raid_ioctl(u_long cmd, caddr_t data) 232 { 233 struct ata_ioc_raid_config *config = (struct ata_ioc_raid_config *)data; 234 int *lun = (int *)data; 235 int error = EOPNOTSUPP; 236 237 switch (cmd) { 238 case IOCATARAIDSTATUS: 239 error = ata_raid_status(config); 240 break; 241 242 case IOCATARAIDCREATE: 243 error = ata_raid_create(config); 244 break; 245 246 case IOCATARAIDDELETE: 247 error = ata_raid_delete(*lun); 248 break; 249 250 case IOCATARAIDADDSPARE: 251 error = ata_raid_addspare(config); 252 break; 253 254 case IOCATARAIDREBUILD: 255 error = ata_raid_rebuild(*lun); 256 break; 257 } 258 return error; 259 } 260 261 static int 262 ata_raid_flush(struct ar_softc *rdp, struct bio *bp) 263 { 264 struct ata_request *request; 265 device_t dev; 266 int disk, error; 267 268 error = 0; 269 bp->bio_driver_info = NULL; 270 271 for (disk = 0; disk < rdp->total_disks; disk++) { 272 if ((dev = rdp->disks[disk].dev) != NULL) 273 bp->bio_driver_info = (void *)((intptr_t)bp->bio_driver_info + 1); 274 } 275 for (disk = 0; disk < rdp->total_disks; disk++) { 276 if ((dev = rdp->disks[disk].dev) == NULL) 277 continue; 278 if (!(request = ata_raid_init_request(rdp, bp))) 279 return ENOMEM; 280 request->dev = dev; 281 request->u.ata.command = ATA_FLUSHCACHE; 282 request->u.ata.lba = 0; 283 request->u.ata.count = 0; 284 request->u.ata.feature = 0; 285 request->timeout = 1; 286 request->retries = 0; 287 request->flags |= ATA_R_ORDERED | ATA_R_DIRECT; 288 ata_queue_request(request); 289 } 290 return 0; 291 } 292 293 /* 294 * XXX TGEN there are a lot of offset -> block number conversions going on 295 * here, which is suboptimal. 296 */ 297 static int 298 ata_raid_strategy(struct dev_strategy_args *ap) 299 { 300 struct ar_softc *rdp = ap->a_head.a_dev->si_drv1; 301 struct bio *bp = ap->a_bio; 302 struct buf *bbp = bp->bio_buf; 303 struct ata_request *request; 304 caddr_t data; 305 u_int64_t blkno, lba, blk = 0; 306 int count, chunk, drv, par = 0, change = 0; 307 308 if (bbp->b_cmd == BUF_CMD_FLUSH) { 309 int error; 310 311 error = ata_raid_flush(rdp, bp); 312 if (error != 0) { 313 bbp->b_flags |= B_ERROR; 314 bbp->b_error = error; 315 biodone(bp); 316 } 317 return(0); 318 } 319 320 if (!(rdp->status & AR_S_READY) || 321 (bbp->b_cmd != BUF_CMD_READ && bbp->b_cmd != BUF_CMD_WRITE)) { 322 bbp->b_flags |= B_ERROR; 323 bbp->b_error = EIO; 324 biodone(bp); 325 return(0); 326 } 327 328 bbp->b_resid = bbp->b_bcount; 329 for (count = howmany(bbp->b_bcount, DEV_BSIZE), 330 /* bio_offset is byte granularity, convert */ 331 blkno = (u_int64_t)(bp->bio_offset >> DEV_BSHIFT), 332 data = bbp->b_data; 333 count > 0; 334 count -= chunk, blkno += chunk, data += (chunk * DEV_BSIZE)) { 335 336 switch (rdp->type) { 337 case AR_T_RAID1: 338 drv = 0; 339 lba = blkno; 340 chunk = count; 341 break; 342 343 case AR_T_JBOD: 344 case AR_T_SPAN: 345 drv = 0; 346 lba = blkno; 347 while (lba >= rdp->disks[drv].sectors) 348 lba -= rdp->disks[drv++].sectors; 349 chunk = min(rdp->disks[drv].sectors - lba, count); 350 break; 351 352 case AR_T_RAID0: 353 case AR_T_RAID01: 354 chunk = blkno % rdp->interleave; 355 drv = (blkno / rdp->interleave) % rdp->width; 356 lba = (((blkno/rdp->interleave)/rdp->width)*rdp->interleave)+chunk; 357 chunk = min(count, rdp->interleave - chunk); 358 break; 359 360 case AR_T_RAID5: 361 drv = (blkno / rdp->interleave) % (rdp->width - 1); 362 par = rdp->width - 1 - 363 (blkno / (rdp->interleave * (rdp->width - 1))) % rdp->width; 364 if (drv >= par) 365 drv++; 366 lba = ((blkno/rdp->interleave)/(rdp->width-1))*(rdp->interleave) + 367 ((blkno%(rdp->interleave*(rdp->width-1)))%rdp->interleave); 368 chunk = min(count, rdp->interleave - (lba % rdp->interleave)); 369 break; 370 371 default: 372 kprintf("ar%d: unknown array type in ata_raid_strategy\n", rdp->lun); 373 bbp->b_flags |= B_ERROR; 374 bbp->b_error = EIO; 375 biodone(bp); 376 return(0); 377 } 378 379 /* offset on all but "first on HPTv2" */ 380 if (!(drv == 0 && rdp->format == AR_F_HPTV2_RAID)) 381 lba += rdp->offset_sectors; 382 383 if (!(request = ata_raid_init_request(rdp, bp))) { 384 bbp->b_flags |= B_ERROR; 385 bbp->b_error = EIO; 386 biodone(bp); 387 return(0); 388 } 389 request->data = data; 390 request->bytecount = chunk * DEV_BSIZE; 391 request->u.ata.lba = lba; 392 request->u.ata.count = request->bytecount / DEV_BSIZE; 393 394 devstat_start_transaction(&rdp->devstat); 395 switch (rdp->type) { 396 case AR_T_JBOD: 397 case AR_T_SPAN: 398 case AR_T_RAID0: 399 if (((rdp->disks[drv].flags & (AR_DF_PRESENT|AR_DF_ONLINE)) == 400 (AR_DF_PRESENT|AR_DF_ONLINE) && !rdp->disks[drv].dev)) { 401 rdp->disks[drv].flags &= ~AR_DF_ONLINE; 402 ata_raid_config_changed(rdp, 1); 403 ata_free_request(request); 404 bbp->b_flags |= B_ERROR; 405 bbp->b_error = EIO; 406 biodone(bp); 407 return(0); 408 } 409 request->this = drv; 410 request->dev = rdp->disks[request->this].dev; 411 ata_raid_send_request(request); 412 break; 413 414 case AR_T_RAID1: 415 case AR_T_RAID01: 416 if ((rdp->disks[drv].flags & 417 (AR_DF_PRESENT|AR_DF_ONLINE))==(AR_DF_PRESENT|AR_DF_ONLINE) && 418 !rdp->disks[drv].dev) { 419 rdp->disks[drv].flags &= ~AR_DF_ONLINE; 420 change = 1; 421 } 422 if ((rdp->disks[drv + rdp->width].flags & 423 (AR_DF_PRESENT|AR_DF_ONLINE))==(AR_DF_PRESENT|AR_DF_ONLINE) && 424 !rdp->disks[drv + rdp->width].dev) { 425 rdp->disks[drv + rdp->width].flags &= ~AR_DF_ONLINE; 426 change = 1; 427 } 428 if (change) 429 ata_raid_config_changed(rdp, 1); 430 if (!(rdp->status & AR_S_READY)) { 431 ata_free_request(request); 432 bbp->b_flags |= B_ERROR; 433 bbp->b_error = EIO; 434 biodone(bp); 435 return(0); 436 } 437 438 if (rdp->status & AR_S_REBUILDING) 439 blk = ((lba / rdp->interleave) * rdp->width) * rdp->interleave + 440 (rdp->interleave * (drv % rdp->width)) + 441 lba % rdp->interleave;; 442 443 if (bbp->b_cmd == BUF_CMD_READ) { 444 int src_online = 445 (rdp->disks[drv].flags & AR_DF_ONLINE); 446 int mir_online = 447 (rdp->disks[drv+rdp->width].flags & AR_DF_ONLINE); 448 449 /* if mirror gone or close to last access on source */ 450 if (!mir_online || 451 ((src_online) && 452 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) >= 453 (rdp->disks[drv].last_lba - AR_PROXIMITY) && 454 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) <= 455 (rdp->disks[drv].last_lba + AR_PROXIMITY))) { 456 rdp->toggle = 0; 457 } 458 /* if source gone or close to last access on mirror */ 459 else if (!src_online || 460 ((mir_online) && 461 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) >= 462 (rdp->disks[drv+rdp->width].last_lba-AR_PROXIMITY) && 463 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) <= 464 (rdp->disks[drv+rdp->width].last_lba+AR_PROXIMITY))) { 465 drv += rdp->width; 466 rdp->toggle = 1; 467 } 468 /* not close to any previous access, toggle */ 469 else { 470 if (rdp->toggle) 471 rdp->toggle = 0; 472 else { 473 drv += rdp->width; 474 rdp->toggle = 1; 475 } 476 } 477 478 if ((rdp->status & AR_S_REBUILDING) && 479 (blk <= rdp->rebuild_lba) && 480 ((blk + chunk) > rdp->rebuild_lba)) { 481 struct ata_composite *composite; 482 struct ata_request *rebuild; 483 int this; 484 485 /* figure out what part to rebuild */ 486 if (drv < rdp->width) 487 this = drv + rdp->width; 488 else 489 this = drv - rdp->width; 490 491 /* do we have a spare to rebuild on ? */ 492 if (rdp->disks[this].flags & AR_DF_SPARE) { 493 if ((composite = ata_alloc_composite())) { 494 if ((rebuild = ata_alloc_request())) { 495 rdp->rebuild_lba = blk + chunk; 496 bcopy(request, rebuild, 497 sizeof(struct ata_request)); 498 rebuild->this = this; 499 rebuild->dev = rdp->disks[this].dev; 500 rebuild->flags &= ~ATA_R_READ; 501 rebuild->flags |= ATA_R_WRITE; 502 spin_init(&composite->lock); 503 composite->residual = request->bytecount; 504 composite->rd_needed |= (1 << drv); 505 composite->wr_depend |= (1 << drv); 506 composite->wr_needed |= (1 << this); 507 composite->request[drv] = request; 508 composite->request[this] = rebuild; 509 request->composite = composite; 510 rebuild->composite = composite; 511 ata_raid_send_request(rebuild); 512 } 513 else { 514 ata_free_composite(composite); 515 kprintf("DOH! ata_alloc_request failed!\n"); 516 } 517 } 518 else { 519 kprintf("DOH! ata_alloc_composite failed!\n"); 520 } 521 } 522 else if (rdp->disks[this].flags & AR_DF_ONLINE) { 523 /* 524 * if we got here we are a chunk of a RAID01 that 525 * does not need a rebuild, but we need to increment 526 * the rebuild_lba address to get the rebuild to 527 * move to the next chunk correctly 528 */ 529 rdp->rebuild_lba = blk + chunk; 530 } 531 else 532 kprintf("DOH! we didn't find the rebuild part\n"); 533 } 534 } 535 if (bbp->b_cmd == BUF_CMD_WRITE) { 536 if ((rdp->disks[drv+rdp->width].flags & AR_DF_ONLINE) || 537 ((rdp->status & AR_S_REBUILDING) && 538 (rdp->disks[drv+rdp->width].flags & AR_DF_SPARE) && 539 ((blk < rdp->rebuild_lba) || 540 ((blk <= rdp->rebuild_lba) && 541 ((blk + chunk) > rdp->rebuild_lba))))) { 542 if ((rdp->disks[drv].flags & AR_DF_ONLINE) || 543 ((rdp->status & AR_S_REBUILDING) && 544 (rdp->disks[drv].flags & AR_DF_SPARE) && 545 ((blk < rdp->rebuild_lba) || 546 ((blk <= rdp->rebuild_lba) && 547 ((blk + chunk) > rdp->rebuild_lba))))) { 548 struct ata_request *mirror; 549 struct ata_composite *composite; 550 int this = drv + rdp->width; 551 552 if ((composite = ata_alloc_composite())) { 553 if ((mirror = ata_alloc_request())) { 554 if ((blk <= rdp->rebuild_lba) && 555 ((blk + chunk) > rdp->rebuild_lba)) 556 rdp->rebuild_lba = blk + chunk; 557 bcopy(request, mirror, 558 sizeof(struct ata_request)); 559 mirror->this = this; 560 mirror->dev = rdp->disks[this].dev; 561 spin_init(&composite->lock); 562 composite->residual = request->bytecount; 563 composite->wr_needed |= (1 << drv); 564 composite->wr_needed |= (1 << this); 565 composite->request[drv] = request; 566 composite->request[this] = mirror; 567 request->composite = composite; 568 mirror->composite = composite; 569 ata_raid_send_request(mirror); 570 rdp->disks[this].last_lba = 571 (u_int64_t)(bp->bio_offset >> DEV_BSHIFT) + 572 chunk; 573 } 574 else { 575 ata_free_composite(composite); 576 kprintf("DOH! ata_alloc_request failed!\n"); 577 } 578 } 579 else { 580 kprintf("DOH! ata_alloc_composite failed!\n"); 581 } 582 } 583 else 584 drv += rdp->width; 585 } 586 } 587 request->this = drv; 588 request->dev = rdp->disks[request->this].dev; 589 ata_raid_send_request(request); 590 rdp->disks[request->this].last_lba = 591 ((u_int64_t)(bp->bio_offset) >> DEV_BSHIFT) + chunk; 592 break; 593 594 case AR_T_RAID5: 595 if (((rdp->disks[drv].flags & (AR_DF_PRESENT|AR_DF_ONLINE)) == 596 (AR_DF_PRESENT|AR_DF_ONLINE) && !rdp->disks[drv].dev)) { 597 rdp->disks[drv].flags &= ~AR_DF_ONLINE; 598 change = 1; 599 } 600 if (((rdp->disks[par].flags & (AR_DF_PRESENT|AR_DF_ONLINE)) == 601 (AR_DF_PRESENT|AR_DF_ONLINE) && !rdp->disks[par].dev)) { 602 rdp->disks[par].flags &= ~AR_DF_ONLINE; 603 change = 1; 604 } 605 if (change) 606 ata_raid_config_changed(rdp, 1); 607 if (!(rdp->status & AR_S_READY)) { 608 ata_free_request(request); 609 bbp->b_flags |= B_ERROR; 610 bbp->b_error = EIO; 611 biodone(bp); 612 return(0); 613 } 614 if (rdp->status & AR_S_DEGRADED) { 615 /* do the XOR game if possible */ 616 } 617 else { 618 request->this = drv; 619 request->dev = rdp->disks[request->this].dev; 620 if (bbp->b_cmd == BUF_CMD_READ) { 621 ata_raid_send_request(request); 622 } 623 if (bbp->b_cmd == BUF_CMD_WRITE) { 624 ata_raid_send_request(request); 625 /* XXX TGEN no, I don't speak Danish either */ 626 /* 627 * sikre at l�s-modify-skriv til hver disk er atomarisk. 628 * par kopi af request 629 * l�se orgdata fra drv 630 * skriv nydata til drv 631 * l�se parorgdata fra par 632 * skriv orgdata xor parorgdata xor nydata til par 633 */ 634 } 635 } 636 break; 637 638 default: 639 kprintf("ar%d: unknown array type in ata_raid_strategy\n", rdp->lun); 640 } 641 } 642 643 return(0); 644 } 645 646 static void 647 ata_raid_done(struct ata_request *request) 648 { 649 struct ar_softc *rdp = request->driver; 650 struct ata_composite *composite = NULL; 651 struct bio *bp = request->bio; 652 struct buf *bbp = bp->bio_buf; 653 int i, mirror, finished = 0; 654 655 if (bbp->b_cmd == BUF_CMD_FLUSH) { 656 if (bbp->b_error == 0) 657 bbp->b_error = request->result; 658 ata_free_request(request); 659 bp->bio_driver_info = (void *)((intptr_t)bp->bio_driver_info - 1); 660 if ((intptr_t)bp->bio_driver_info == 0) { 661 if (bbp->b_error) 662 bbp->b_flags |= B_ERROR; 663 biodone(bp); 664 } 665 return; 666 } 667 668 switch (rdp->type) { 669 case AR_T_JBOD: 670 case AR_T_SPAN: 671 case AR_T_RAID0: 672 if (request->result) { 673 rdp->disks[request->this].flags &= ~AR_DF_ONLINE; 674 ata_raid_config_changed(rdp, 1); 675 bbp->b_error = request->result; 676 finished = 1; 677 } 678 else { 679 bbp->b_resid -= request->donecount; 680 if (!bbp->b_resid) 681 finished = 1; 682 } 683 break; 684 685 case AR_T_RAID1: 686 case AR_T_RAID01: 687 if (request->this < rdp->width) 688 mirror = request->this + rdp->width; 689 else 690 mirror = request->this - rdp->width; 691 if (request->result) { 692 rdp->disks[request->this].flags &= ~AR_DF_ONLINE; 693 ata_raid_config_changed(rdp, 1); 694 } 695 if (rdp->status & AR_S_READY) { 696 u_int64_t blk = 0; 697 698 if (rdp->status & AR_S_REBUILDING) 699 blk = ((request->u.ata.lba / rdp->interleave) * rdp->width) * 700 rdp->interleave + (rdp->interleave * 701 (request->this % rdp->width)) + 702 request->u.ata.lba % rdp->interleave; 703 704 if (bbp->b_cmd == BUF_CMD_READ) { 705 706 /* is this a rebuild composite */ 707 if ((composite = request->composite)) { 708 spin_lock(&composite->lock); 709 710 /* handle the read part of a rebuild composite */ 711 if (request->flags & ATA_R_READ) { 712 713 /* if read failed array is now broken */ 714 if (request->result) { 715 rdp->disks[request->this].flags &= ~AR_DF_ONLINE; 716 ata_raid_config_changed(rdp, 1); 717 bbp->b_error = request->result; 718 rdp->rebuild_lba = blk; 719 finished = 1; 720 } 721 722 /* good data, update how far we've gotten */ 723 else { 724 bbp->b_resid -= request->donecount; 725 composite->residual -= request->donecount; 726 if (!composite->residual) { 727 if (composite->wr_done & (1 << mirror)) 728 finished = 1; 729 } 730 } 731 } 732 733 /* handle the write part of a rebuild composite */ 734 else if (request->flags & ATA_R_WRITE) { 735 if (composite->rd_done & (1 << mirror)) { 736 if (request->result) { 737 kprintf("DOH! rebuild failed\n"); /* XXX SOS */ 738 rdp->rebuild_lba = blk; 739 } 740 if (!composite->residual) 741 finished = 1; 742 } 743 } 744 spin_unlock(&composite->lock); 745 } 746 747 /* if read failed retry on the mirror */ 748 else if (request->result) { 749 request->dev = rdp->disks[mirror].dev; 750 request->flags &= ~ATA_R_TIMEOUT; 751 ata_raid_send_request(request); 752 return; 753 } 754 755 /* we have good data */ 756 else { 757 bbp->b_resid -= request->donecount; 758 if (!bbp->b_resid) 759 finished = 1; 760 } 761 } 762 else if (bbp->b_cmd == BUF_CMD_WRITE) { 763 /* do we have a mirror or rebuild to deal with ? */ 764 if ((composite = request->composite)) { 765 spin_lock(&composite->lock); 766 if (composite->wr_done & (1 << mirror)) { 767 if (request->result) { 768 if (composite->request[mirror]->result) { 769 kprintf("DOH! all disks failed and got here\n"); 770 bbp->b_error = EIO; 771 } 772 if (rdp->status & AR_S_REBUILDING) { 773 rdp->rebuild_lba = blk; 774 kprintf("DOH! rebuild failed\n"); /* XXX SOS */ 775 } 776 bbp->b_resid -= 777 composite->request[mirror]->donecount; 778 composite->residual -= 779 composite->request[mirror]->donecount; 780 } 781 else { 782 bbp->b_resid -= request->donecount; 783 composite->residual -= request->donecount; 784 } 785 if (!composite->residual) 786 finished = 1; 787 } 788 spin_unlock(&composite->lock); 789 } 790 /* no mirror we are done */ 791 else { 792 bbp->b_resid -= request->donecount; 793 if (!bbp->b_resid) 794 finished = 1; 795 } 796 } 797 } 798 else { 799 /* XXX TGEN bbp->b_flags |= B_ERROR; */ 800 bbp->b_error = request->result; 801 biodone(bp); 802 } 803 break; 804 805 case AR_T_RAID5: 806 if (request->result) { 807 rdp->disks[request->this].flags &= ~AR_DF_ONLINE; 808 ata_raid_config_changed(rdp, 1); 809 if (rdp->status & AR_S_READY) { 810 if (bbp->b_cmd == BUF_CMD_READ) { 811 /* do the XOR game to recover data */ 812 } 813 if (bbp->b_cmd == BUF_CMD_WRITE) { 814 /* if the parity failed we're OK sortof */ 815 /* otherwise wee need to do the XOR long dance */ 816 } 817 finished = 1; 818 } 819 else { 820 /* XXX TGEN bbp->b_flags |= B_ERROR; */ 821 bbp->b_error = request->result; 822 biodone(bp); 823 } 824 } 825 else { 826 /* did we have an XOR game going ?? */ 827 bbp->b_resid -= request->donecount; 828 if (!bbp->b_resid) 829 finished = 1; 830 } 831 break; 832 833 default: 834 kprintf("ar%d: unknown array type in ata_raid_done\n", rdp->lun); 835 } 836 devstat_end_transaction_buf(&rdp->devstat, bbp); 837 838 if (finished) { 839 if ((rdp->status & AR_S_REBUILDING) && 840 rdp->rebuild_lba >= rdp->total_sectors) { 841 int disk; 842 843 for (disk = 0; disk < rdp->total_disks; disk++) { 844 if ((rdp->disks[disk].flags & 845 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE)) == 846 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE)) { 847 rdp->disks[disk].flags &= ~AR_DF_SPARE; 848 rdp->disks[disk].flags |= AR_DF_ONLINE; 849 } 850 } 851 rdp->status &= ~AR_S_REBUILDING; 852 ata_raid_config_changed(rdp, 1); 853 } 854 if (!bbp->b_resid) 855 biodone(bp); 856 } 857 858 if (composite) { 859 if (finished) { 860 /* we are done with this composite, free all resources */ 861 for (i = 0; i < 32; i++) { 862 if (composite->rd_needed & (1 << i) || 863 composite->wr_needed & (1 << i)) { 864 ata_free_request(composite->request[i]); 865 } 866 } 867 spin_uninit(&composite->lock); 868 ata_free_composite(composite); 869 } 870 } 871 else 872 ata_free_request(request); 873 } 874 875 static int 876 ata_raid_dump(struct dev_dump_args *ap) 877 { 878 struct ar_softc *rdp = ap->a_head.a_dev->si_drv1; 879 struct buf dbuf; 880 int error = 0; 881 int disk; 882 883 if (ap->a_length == 0) { 884 /* flush subdisk buffers to media */ 885 for (disk = 0, error = 0; disk < rdp->total_disks; disk++) { 886 if (rdp->disks[disk].dev) { 887 error |= ata_controlcmd(rdp->disks[disk].dev, 888 ATA_FLUSHCACHE, 0, 0, 0); 889 } 890 } 891 return (error ? EIO : 0); 892 } 893 894 bzero(&dbuf, sizeof(struct buf)); 895 initbufbio(&dbuf); 896 BUF_LOCK(&dbuf, LK_EXCLUSIVE); 897 /* bio_offset is byte granularity, convert block granularity a_blkno */ 898 dbuf.b_bio1.bio_offset = ap->a_offset; 899 dbuf.b_bio1.bio_caller_info1.ptr = (void *)rdp; 900 dbuf.b_bio1.bio_flags |= BIO_SYNC; 901 dbuf.b_bio1.bio_done = biodone_sync; 902 dbuf.b_bcount = ap->a_length; 903 dbuf.b_data = ap->a_virtual; 904 dbuf.b_cmd = BUF_CMD_WRITE; 905 dev_dstrategy(rdp->cdev, &dbuf.b_bio1); 906 /* wait for completion, unlock the buffer, check status */ 907 if (biowait(&dbuf.b_bio1, "dumpw")) { 908 BUF_UNLOCK(&dbuf); 909 return(dbuf.b_error ? dbuf.b_error : EIO); 910 } 911 BUF_UNLOCK(&dbuf); 912 uninitbufbio(&dbuf); 913 914 return 0; 915 } 916 917 static void 918 ata_raid_config_changed(struct ar_softc *rdp, int writeback) 919 { 920 int disk, count, status; 921 922 spin_lock(&rdp->lock); 923 /* set default all working mode */ 924 status = rdp->status; 925 rdp->status &= ~AR_S_DEGRADED; 926 rdp->status |= AR_S_READY; 927 928 /* make sure all lost drives are accounted for */ 929 for (disk = 0; disk < rdp->total_disks; disk++) { 930 if (!(rdp->disks[disk].flags & AR_DF_PRESENT)) 931 rdp->disks[disk].flags &= ~AR_DF_ONLINE; 932 } 933 934 /* depending on RAID type figure out our health status */ 935 switch (rdp->type) { 936 case AR_T_JBOD: 937 case AR_T_SPAN: 938 case AR_T_RAID0: 939 for (disk = 0; disk < rdp->total_disks; disk++) 940 if (!(rdp->disks[disk].flags & AR_DF_ONLINE)) 941 rdp->status &= ~AR_S_READY; 942 break; 943 944 case AR_T_RAID1: 945 case AR_T_RAID01: 946 for (disk = 0; disk < rdp->width; disk++) { 947 if (!(rdp->disks[disk].flags & AR_DF_ONLINE) && 948 !(rdp->disks[disk + rdp->width].flags & AR_DF_ONLINE)) { 949 rdp->status &= ~AR_S_READY; 950 } 951 else if (((rdp->disks[disk].flags & AR_DF_ONLINE) && 952 !(rdp->disks[disk + rdp->width].flags & AR_DF_ONLINE)) || 953 (!(rdp->disks[disk].flags & AR_DF_ONLINE) && 954 (rdp->disks [disk + rdp->width].flags & AR_DF_ONLINE))) { 955 rdp->status |= AR_S_DEGRADED; 956 } 957 } 958 break; 959 960 case AR_T_RAID5: 961 for (count = 0, disk = 0; disk < rdp->total_disks; disk++) { 962 if (!(rdp->disks[disk].flags & AR_DF_ONLINE)) 963 count++; 964 } 965 if (count) { 966 if (count > 1) 967 rdp->status &= ~AR_S_READY; 968 else 969 rdp->status |= AR_S_DEGRADED; 970 } 971 break; 972 default: 973 rdp->status &= ~AR_S_READY; 974 } 975 976 /* 977 * Note that when the array breaks so comes up broken we 978 * force a write of the array config to the remaining 979 * drives so that the generation will be incremented past 980 * those of the missing or failed drives (in all cases). 981 */ 982 if (rdp->status != status) { 983 if (!(rdp->status & AR_S_READY)) { 984 kprintf("ar%d: FAILURE - %s array broken\n", 985 rdp->lun, ata_raid_type(rdp)); 986 writeback = 1; 987 } 988 else if (rdp->status & AR_S_DEGRADED) { 989 if (rdp->type & (AR_T_RAID1 | AR_T_RAID01)) 990 kprintf("ar%d: WARNING - mirror", rdp->lun); 991 else 992 kprintf("ar%d: WARNING - parity", rdp->lun); 993 kprintf(" protection lost. %s array in DEGRADED mode\n", 994 ata_raid_type(rdp)); 995 writeback = 1; 996 } 997 } 998 spin_unlock(&rdp->lock); 999 if (writeback) 1000 ata_raid_write_metadata(rdp); 1001 1002 } 1003 1004 static int 1005 ata_raid_status(struct ata_ioc_raid_config *config) 1006 { 1007 struct ar_softc *rdp; 1008 int i; 1009 1010 if (!(rdp = ata_raid_arrays[config->lun])) 1011 return ENXIO; 1012 1013 config->type = rdp->type; 1014 config->total_disks = rdp->total_disks; 1015 for (i = 0; i < rdp->total_disks; i++ ) { 1016 if ((rdp->disks[i].flags & AR_DF_PRESENT) && rdp->disks[i].dev) 1017 config->disks[i] = device_get_unit(rdp->disks[i].dev); 1018 else 1019 config->disks[i] = -1; 1020 } 1021 config->interleave = rdp->interleave; 1022 config->status = rdp->status; 1023 config->progress = 100 * rdp->rebuild_lba / rdp->total_sectors; 1024 return 0; 1025 } 1026 1027 static int 1028 ata_raid_create(struct ata_ioc_raid_config *config) 1029 { 1030 struct ar_softc *rdp; 1031 device_t subdisk; 1032 int array, disk; 1033 int ctlr = 0, disk_size = 0, total_disks = 0; 1034 device_t gpdev; 1035 1036 for (array = 0; array < MAX_ARRAYS; array++) { 1037 if (!ata_raid_arrays[array]) 1038 break; 1039 } 1040 if (array >= MAX_ARRAYS) 1041 return ENOSPC; 1042 1043 rdp = (struct ar_softc*)kmalloc(sizeof(struct ar_softc), M_AR, 1044 M_WAITOK | M_ZERO); 1045 1046 for (disk = 0; disk < config->total_disks; disk++) { 1047 if ((subdisk = devclass_get_device(ata_raid_sub_devclass, 1048 config->disks[disk]))) { 1049 struct ata_raid_subdisk *ars = device_get_softc(subdisk); 1050 1051 /* is device already assigned to another array ? */ 1052 if (ars->raid[rdp->volume]) { 1053 config->disks[disk] = -1; 1054 kfree(rdp, M_AR); 1055 return EBUSY; 1056 } 1057 rdp->disks[disk].dev = device_get_parent(subdisk); 1058 1059 gpdev = GRANDPARENT(rdp->disks[disk].dev); 1060 1061 switch (pci_get_vendor(gpdev)) { 1062 case ATA_HIGHPOINT_ID: 1063 /* 1064 * we need some way to decide if it should be v2 or v3 1065 * for now just use v2 since the v3 BIOS knows how to 1066 * handle that as well. 1067 */ 1068 ctlr = AR_F_HPTV2_RAID; 1069 rdp->disks[disk].sectors = HPTV3_LBA(rdp->disks[disk].dev); 1070 break; 1071 1072 case ATA_INTEL_ID: 1073 ctlr = AR_F_INTEL_RAID; 1074 rdp->disks[disk].sectors = INTEL_LBA(rdp->disks[disk].dev); 1075 break; 1076 1077 case ATA_ITE_ID: 1078 ctlr = AR_F_ITE_RAID; 1079 rdp->disks[disk].sectors = ITE_LBA(rdp->disks[disk].dev); 1080 break; 1081 1082 case ATA_JMICRON_ID: 1083 ctlr = AR_F_JMICRON_RAID; 1084 rdp->disks[disk].sectors = JMICRON_LBA(rdp->disks[disk].dev); 1085 break; 1086 1087 case 0: /* XXX SOS cover up for bug in our PCI code */ 1088 case ATA_PROMISE_ID: 1089 ctlr = AR_F_PROMISE_RAID; 1090 rdp->disks[disk].sectors = PROMISE_LBA(rdp->disks[disk].dev); 1091 break; 1092 1093 case ATA_SIS_ID: 1094 ctlr = AR_F_SIS_RAID; 1095 rdp->disks[disk].sectors = SIS_LBA(rdp->disks[disk].dev); 1096 break; 1097 1098 case ATA_ATI_ID: 1099 case ATA_VIA_ID: 1100 ctlr = AR_F_VIA_RAID; 1101 rdp->disks[disk].sectors = VIA_LBA(rdp->disks[disk].dev); 1102 break; 1103 1104 default: 1105 /* XXX SOS 1106 * right, so here we are, we have an ATA chip and we want 1107 * to create a RAID and store the metadata. 1108 * we need to find a way to tell what kind of metadata this 1109 * hardware's BIOS might be using (good ideas are welcomed) 1110 * for now we just use our own native FreeBSD format. 1111 * the only way to get support for the BIOS format is to 1112 * setup the RAID from there, in that case we pickup the 1113 * metadata format from the disks (if we support it). 1114 */ 1115 kprintf("WARNING!! - not able to determine metadata format\n" 1116 "WARNING!! - Using FreeBSD PseudoRAID metadata\n" 1117 "If that is not what you want, use the BIOS to " 1118 "create the array\n"); 1119 ctlr = AR_F_FREEBSD_RAID; 1120 rdp->disks[disk].sectors = PROMISE_LBA(rdp->disks[disk].dev); 1121 break; 1122 } 1123 1124 /* we need all disks to be of the same format */ 1125 if ((rdp->format & AR_F_FORMAT_MASK) && 1126 (rdp->format & AR_F_FORMAT_MASK) != (ctlr & AR_F_FORMAT_MASK)) { 1127 kfree(rdp, M_AR); 1128 return EXDEV; 1129 } 1130 else 1131 rdp->format = ctlr; 1132 1133 /* use the smallest disk of the lots size */ 1134 /* gigabyte boundry ??? XXX SOS */ 1135 if (disk_size) 1136 disk_size = min(rdp->disks[disk].sectors, disk_size); 1137 else 1138 disk_size = rdp->disks[disk].sectors; 1139 rdp->disks[disk].flags = 1140 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 1141 1142 total_disks++; 1143 } 1144 else { 1145 config->disks[disk] = -1; 1146 kfree(rdp, M_AR); 1147 return ENXIO; 1148 } 1149 } 1150 1151 if (total_disks != config->total_disks) { 1152 kfree(rdp, M_AR); 1153 return ENODEV; 1154 } 1155 1156 switch (config->type) { 1157 case AR_T_JBOD: 1158 case AR_T_SPAN: 1159 case AR_T_RAID0: 1160 break; 1161 1162 case AR_T_RAID1: 1163 if (total_disks != 2) { 1164 kfree(rdp, M_AR); 1165 return EPERM; 1166 } 1167 break; 1168 1169 case AR_T_RAID01: 1170 if (total_disks % 2 != 0) { 1171 kfree(rdp, M_AR); 1172 return EPERM; 1173 } 1174 break; 1175 1176 case AR_T_RAID5: 1177 if (total_disks < 3) { 1178 kfree(rdp, M_AR); 1179 return EPERM; 1180 } 1181 break; 1182 1183 default: 1184 kfree(rdp, M_AR); 1185 return EOPNOTSUPP; 1186 } 1187 rdp->type = config->type; 1188 rdp->lun = array; 1189 if (rdp->type == AR_T_RAID0 || rdp->type == AR_T_RAID01 || 1190 rdp->type == AR_T_RAID5) { 1191 int bit = 0; 1192 1193 while (config->interleave >>= 1) 1194 bit++; 1195 rdp->interleave = 1 << bit; 1196 } 1197 rdp->offset_sectors = 0; 1198 1199 /* values that depend on metadata format */ 1200 switch (rdp->format) { 1201 case AR_F_ADAPTEC_RAID: 1202 rdp->interleave = min(max(32, rdp->interleave), 128); /*+*/ 1203 break; 1204 1205 case AR_F_HPTV2_RAID: 1206 rdp->interleave = min(max(8, rdp->interleave), 128); /*+*/ 1207 rdp->offset_sectors = HPTV2_LBA(x) + 1; 1208 break; 1209 1210 case AR_F_HPTV3_RAID: 1211 rdp->interleave = min(max(32, rdp->interleave), 4096); /*+*/ 1212 break; 1213 1214 case AR_F_INTEL_RAID: 1215 rdp->interleave = min(max(8, rdp->interleave), 256); /*+*/ 1216 break; 1217 1218 case AR_F_ITE_RAID: 1219 rdp->interleave = min(max(2, rdp->interleave), 128); /*+*/ 1220 break; 1221 1222 case AR_F_JMICRON_RAID: 1223 rdp->interleave = min(max(8, rdp->interleave), 256); /*+*/ 1224 break; 1225 1226 case AR_F_LSIV2_RAID: 1227 rdp->interleave = min(max(2, rdp->interleave), 4096); 1228 break; 1229 1230 case AR_F_LSIV3_RAID: 1231 rdp->interleave = min(max(2, rdp->interleave), 256); 1232 break; 1233 1234 case AR_F_PROMISE_RAID: 1235 rdp->interleave = min(max(2, rdp->interleave), 2048); /*+*/ 1236 break; 1237 1238 case AR_F_SII_RAID: 1239 rdp->interleave = min(max(8, rdp->interleave), 256); /*+*/ 1240 break; 1241 1242 case AR_F_SIS_RAID: 1243 rdp->interleave = min(max(32, rdp->interleave), 512); /*+*/ 1244 break; 1245 1246 case AR_F_VIA_RAID: 1247 rdp->interleave = min(max(8, rdp->interleave), 128); /*+*/ 1248 break; 1249 } 1250 1251 rdp->total_disks = total_disks; 1252 rdp->width = total_disks / (rdp->type & (AR_RAID1 | AR_T_RAID01) ? 2 : 1); 1253 rdp->total_sectors = disk_size * (rdp->width - (rdp->type == AR_RAID5)); 1254 rdp->heads = 255; 1255 rdp->sectors = 63; 1256 rdp->cylinders = rdp->total_sectors / (255 * 63); 1257 rdp->rebuild_lba = 0; 1258 rdp->status |= AR_S_READY; 1259 1260 /* we are committed to this array, grap the subdisks */ 1261 for (disk = 0; disk < config->total_disks; disk++) { 1262 if ((subdisk = devclass_get_device(ata_raid_sub_devclass, 1263 config->disks[disk]))) { 1264 struct ata_raid_subdisk *ars = device_get_softc(subdisk); 1265 1266 ars->raid[rdp->volume] = rdp; 1267 ars->disk_number[rdp->volume] = disk; 1268 } 1269 } 1270 ata_raid_attach(rdp, 1); 1271 ata_raid_arrays[array] = rdp; 1272 config->lun = array; 1273 return 0; 1274 } 1275 1276 static int 1277 ata_raid_delete(int array) 1278 { 1279 struct ar_softc *rdp; 1280 device_t subdisk; 1281 int disk; 1282 1283 if (!(rdp = ata_raid_arrays[array])) 1284 return ENXIO; 1285 1286 rdp->status &= ~AR_S_READY; 1287 disk_destroy(&rdp->disk); 1288 devstat_remove_entry(&rdp->devstat); 1289 1290 for (disk = 0; disk < rdp->total_disks; disk++) { 1291 if ((rdp->disks[disk].flags & AR_DF_PRESENT) && rdp->disks[disk].dev) { 1292 if ((subdisk = devclass_get_device(ata_raid_sub_devclass, 1293 device_get_unit(rdp->disks[disk].dev)))) { 1294 struct ata_raid_subdisk *ars = device_get_softc(subdisk); 1295 1296 if (ars->raid[rdp->volume] != rdp) /* XXX SOS */ 1297 device_printf(subdisk, "DOH! this disk doesn't belong\n"); 1298 if (ars->disk_number[rdp->volume] != disk) /* XXX SOS */ 1299 device_printf(subdisk, "DOH! this disk number is wrong\n"); 1300 ars->raid[rdp->volume] = NULL; 1301 ars->disk_number[rdp->volume] = -1; 1302 } 1303 rdp->disks[disk].flags = 0; 1304 } 1305 } 1306 ata_raid_wipe_metadata(rdp); 1307 ata_raid_arrays[array] = NULL; 1308 kfree(rdp, M_AR); 1309 return 0; 1310 } 1311 1312 static int 1313 ata_raid_addspare(struct ata_ioc_raid_config *config) 1314 { 1315 struct ar_softc *rdp; 1316 device_t subdisk; 1317 int disk; 1318 1319 if (!(rdp = ata_raid_arrays[config->lun])) 1320 return ENXIO; 1321 if (!(rdp->status & AR_S_DEGRADED) || !(rdp->status & AR_S_READY)) 1322 return ENXIO; 1323 if (rdp->status & AR_S_REBUILDING) 1324 return EBUSY; 1325 switch (rdp->type) { 1326 case AR_T_RAID1: 1327 case AR_T_RAID01: 1328 case AR_T_RAID5: 1329 for (disk = 0; disk < rdp->total_disks; disk++ ) { 1330 1331 if (((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) == 1332 (AR_DF_PRESENT | AR_DF_ONLINE)) && rdp->disks[disk].dev) 1333 continue; 1334 1335 if ((subdisk = devclass_get_device(ata_raid_sub_devclass, 1336 config->disks[0] ))) { 1337 struct ata_raid_subdisk *ars = device_get_softc(subdisk); 1338 1339 if (ars->raid[rdp->volume]) 1340 return EBUSY; 1341 1342 /* XXX SOS validate size etc etc */ 1343 ars->raid[rdp->volume] = rdp; 1344 ars->disk_number[rdp->volume] = disk; 1345 rdp->disks[disk].dev = device_get_parent(subdisk); 1346 rdp->disks[disk].flags = 1347 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE); 1348 1349 device_printf(rdp->disks[disk].dev, 1350 "inserted into ar%d disk%d as spare\n", 1351 rdp->lun, disk); 1352 ata_raid_config_changed(rdp, 1); 1353 return 0; 1354 } 1355 } 1356 return ENXIO; 1357 1358 default: 1359 return EPERM; 1360 } 1361 } 1362 1363 static int 1364 ata_raid_rebuild(int array) 1365 { 1366 struct ar_softc *rdp; 1367 int disk, count; 1368 1369 if (!(rdp = ata_raid_arrays[array])) 1370 return ENXIO; 1371 /* XXX SOS we should lock the rdp softc here */ 1372 if (!(rdp->status & AR_S_DEGRADED) || !(rdp->status & AR_S_READY)) 1373 return ENXIO; 1374 if (rdp->status & AR_S_REBUILDING) 1375 return EBUSY; 1376 1377 switch (rdp->type) { 1378 case AR_T_RAID1: 1379 case AR_T_RAID01: 1380 case AR_T_RAID5: 1381 for (count = 0, disk = 0; disk < rdp->total_disks; disk++ ) { 1382 if (((rdp->disks[disk].flags & 1383 (AR_DF_PRESENT|AR_DF_ASSIGNED|AR_DF_ONLINE|AR_DF_SPARE)) == 1384 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE)) && 1385 rdp->disks[disk].dev) { 1386 count++; 1387 } 1388 } 1389 1390 if (count) { 1391 rdp->rebuild_lba = 0; 1392 rdp->status |= AR_S_REBUILDING; 1393 return 0; 1394 } 1395 return EIO; 1396 1397 default: 1398 return EPERM; 1399 } 1400 } 1401 1402 static int 1403 ata_raid_read_metadata(device_t subdisk) 1404 { 1405 devclass_t pci_devclass = devclass_find("pci"); 1406 devclass_t devclass=device_get_devclass(GRANDPARENT(GRANDPARENT(subdisk))); 1407 device_t gpdev; 1408 uint16_t vendor; 1409 1410 /* prioritize vendor native metadata layout if possible */ 1411 if (devclass == pci_devclass) { 1412 gpdev = device_get_parent(subdisk); 1413 gpdev = GRANDPARENT(gpdev); 1414 vendor = pci_get_vendor(gpdev); 1415 1416 switch (vendor) { 1417 case ATA_HIGHPOINT_ID: 1418 if (ata_raid_hptv3_read_meta(subdisk, ata_raid_arrays)) 1419 return 0; 1420 if (ata_raid_hptv2_read_meta(subdisk, ata_raid_arrays)) 1421 return 0; 1422 break; 1423 1424 case ATA_INTEL_ID: 1425 if (ata_raid_intel_read_meta(subdisk, ata_raid_arrays)) 1426 return 0; 1427 break; 1428 1429 case ATA_ITE_ID: 1430 if (ata_raid_ite_read_meta(subdisk, ata_raid_arrays)) 1431 return 0; 1432 break; 1433 1434 case ATA_JMICRON_ID: 1435 if (ata_raid_jmicron_read_meta(subdisk, ata_raid_arrays)) 1436 return 0; 1437 break; 1438 1439 case ATA_NVIDIA_ID: 1440 if (ata_raid_nvidia_read_meta(subdisk, ata_raid_arrays)) 1441 return 0; 1442 break; 1443 1444 case 0: /* XXX SOS cover up for bug in our PCI code */ 1445 case ATA_PROMISE_ID: 1446 if (ata_raid_promise_read_meta(subdisk, ata_raid_arrays, 0)) 1447 return 0; 1448 break; 1449 1450 case ATA_ATI_ID: 1451 case ATA_SILICON_IMAGE_ID: 1452 if (ata_raid_sii_read_meta(subdisk, ata_raid_arrays)) 1453 return 0; 1454 break; 1455 1456 case ATA_SIS_ID: 1457 if (ata_raid_sis_read_meta(subdisk, ata_raid_arrays)) 1458 return 0; 1459 break; 1460 1461 case ATA_VIA_ID: 1462 if (ata_raid_via_read_meta(subdisk, ata_raid_arrays)) 1463 return 0; 1464 break; 1465 } 1466 } 1467 1468 /* handle controllers that have multiple layout possibilities */ 1469 /* NOTE: the order of these are not insignificant */ 1470 1471 /* Adaptec HostRAID */ 1472 if (ata_raid_adaptec_read_meta(subdisk, ata_raid_arrays)) 1473 return 0; 1474 1475 /* LSILogic v3 and v2 */ 1476 if (ata_raid_lsiv3_read_meta(subdisk, ata_raid_arrays)) 1477 return 0; 1478 if (ata_raid_lsiv2_read_meta(subdisk, ata_raid_arrays)) 1479 return 0; 1480 1481 /* if none of the above matched, try FreeBSD native format */ 1482 return ata_raid_promise_read_meta(subdisk, ata_raid_arrays, 1); 1483 } 1484 1485 static int 1486 ata_raid_write_metadata(struct ar_softc *rdp) 1487 { 1488 switch (rdp->format) { 1489 case AR_F_FREEBSD_RAID: 1490 case AR_F_PROMISE_RAID: 1491 return ata_raid_promise_write_meta(rdp); 1492 1493 case AR_F_HPTV3_RAID: 1494 case AR_F_HPTV2_RAID: 1495 /* 1496 * always write HPT v2 metadata, the v3 BIOS knows it as well. 1497 * this is handy since we cannot know what version BIOS is on there 1498 */ 1499 return ata_raid_hptv2_write_meta(rdp); 1500 1501 case AR_F_INTEL_RAID: 1502 return ata_raid_intel_write_meta(rdp); 1503 1504 case AR_F_JMICRON_RAID: 1505 return ata_raid_jmicron_write_meta(rdp); 1506 1507 case AR_F_SIS_RAID: 1508 return ata_raid_sis_write_meta(rdp); 1509 1510 case AR_F_VIA_RAID: 1511 return ata_raid_via_write_meta(rdp); 1512 #if 0 1513 case AR_F_HPTV3_RAID: 1514 return ata_raid_hptv3_write_meta(rdp); 1515 1516 case AR_F_ADAPTEC_RAID: 1517 return ata_raid_adaptec_write_meta(rdp); 1518 1519 case AR_F_ITE_RAID: 1520 return ata_raid_ite_write_meta(rdp); 1521 1522 case AR_F_LSIV2_RAID: 1523 return ata_raid_lsiv2_write_meta(rdp); 1524 1525 case AR_F_LSIV3_RAID: 1526 return ata_raid_lsiv3_write_meta(rdp); 1527 1528 case AR_F_NVIDIA_RAID: 1529 return ata_raid_nvidia_write_meta(rdp); 1530 1531 case AR_F_SII_RAID: 1532 return ata_raid_sii_write_meta(rdp); 1533 1534 #endif 1535 default: 1536 kprintf("ar%d: writing of %s metadata is NOT supported yet\n", 1537 rdp->lun, ata_raid_format(rdp)); 1538 } 1539 return -1; 1540 } 1541 1542 static int 1543 ata_raid_wipe_metadata(struct ar_softc *rdp) 1544 { 1545 int disk, error = 0; 1546 u_int64_t lba; 1547 u_int32_t size; 1548 u_int8_t *meta; 1549 1550 for (disk = 0; disk < rdp->total_disks; disk++) { 1551 if (rdp->disks[disk].dev) { 1552 switch (rdp->format) { 1553 case AR_F_ADAPTEC_RAID: 1554 lba = ADP_LBA(rdp->disks[disk].dev); 1555 size = sizeof(struct adaptec_raid_conf); 1556 break; 1557 1558 case AR_F_HPTV2_RAID: 1559 lba = HPTV2_LBA(rdp->disks[disk].dev); 1560 size = sizeof(struct hptv2_raid_conf); 1561 break; 1562 1563 case AR_F_HPTV3_RAID: 1564 lba = HPTV3_LBA(rdp->disks[disk].dev); 1565 size = sizeof(struct hptv3_raid_conf); 1566 break; 1567 1568 case AR_F_INTEL_RAID: 1569 lba = INTEL_LBA(rdp->disks[disk].dev); 1570 size = 3 * 512; /* XXX SOS */ 1571 break; 1572 1573 case AR_F_ITE_RAID: 1574 lba = ITE_LBA(rdp->disks[disk].dev); 1575 size = sizeof(struct ite_raid_conf); 1576 break; 1577 1578 case AR_F_JMICRON_RAID: 1579 lba = JMICRON_LBA(rdp->disks[disk].dev); 1580 size = sizeof(struct jmicron_raid_conf); 1581 break; 1582 1583 case AR_F_LSIV2_RAID: 1584 lba = LSIV2_LBA(rdp->disks[disk].dev); 1585 size = sizeof(struct lsiv2_raid_conf); 1586 break; 1587 1588 case AR_F_LSIV3_RAID: 1589 lba = LSIV3_LBA(rdp->disks[disk].dev); 1590 size = sizeof(struct lsiv3_raid_conf); 1591 break; 1592 1593 case AR_F_NVIDIA_RAID: 1594 lba = NVIDIA_LBA(rdp->disks[disk].dev); 1595 size = sizeof(struct nvidia_raid_conf); 1596 break; 1597 1598 case AR_F_FREEBSD_RAID: 1599 case AR_F_PROMISE_RAID: 1600 lba = PROMISE_LBA(rdp->disks[disk].dev); 1601 size = sizeof(struct promise_raid_conf); 1602 break; 1603 1604 case AR_F_SII_RAID: 1605 lba = SII_LBA(rdp->disks[disk].dev); 1606 size = sizeof(struct sii_raid_conf); 1607 break; 1608 1609 case AR_F_SIS_RAID: 1610 lba = SIS_LBA(rdp->disks[disk].dev); 1611 size = sizeof(struct sis_raid_conf); 1612 break; 1613 1614 case AR_F_VIA_RAID: 1615 lba = VIA_LBA(rdp->disks[disk].dev); 1616 size = sizeof(struct via_raid_conf); 1617 break; 1618 1619 default: 1620 kprintf("ar%d: wiping of %s metadata is NOT supported yet\n", 1621 rdp->lun, ata_raid_format(rdp)); 1622 return ENXIO; 1623 } 1624 meta = kmalloc(size, M_AR, M_WAITOK | M_ZERO); 1625 if (ata_raid_rw(rdp->disks[disk].dev, lba, meta, size, 1626 ATA_R_WRITE | ATA_R_DIRECT)) { 1627 device_printf(rdp->disks[disk].dev, "wipe metadata failed\n"); 1628 error = EIO; 1629 } 1630 kfree(meta, M_AR); 1631 } 1632 } 1633 return error; 1634 } 1635 1636 /* Adaptec HostRAID Metadata */ 1637 static int 1638 ata_raid_adaptec_read_meta(device_t dev, struct ar_softc **raidp) 1639 { 1640 struct ata_raid_subdisk *ars = device_get_softc(dev); 1641 device_t parent = device_get_parent(dev); 1642 struct adaptec_raid_conf *meta; 1643 struct ar_softc *raid; 1644 int array, disk, retval = 0; 1645 1646 meta = (struct adaptec_raid_conf *) 1647 kmalloc(sizeof(struct adaptec_raid_conf), M_AR, M_WAITOK | M_ZERO); 1648 1649 if (ata_raid_rw(parent, ADP_LBA(parent), 1650 meta, sizeof(struct adaptec_raid_conf), ATA_R_READ)) { 1651 if (testing || bootverbose) 1652 device_printf(parent, "Adaptec read metadata failed\n"); 1653 goto adaptec_out; 1654 } 1655 1656 /* check if this is a Adaptec RAID struct */ 1657 if (meta->magic_0 != ADP_MAGIC_0 || meta->magic_3 != ADP_MAGIC_3) { 1658 if (testing || bootverbose) 1659 device_printf(parent, "Adaptec check1 failed\n"); 1660 goto adaptec_out; 1661 } 1662 1663 if (testing || bootverbose) 1664 ata_raid_adaptec_print_meta(meta); 1665 1666 /* now convert Adaptec metadata into our generic form */ 1667 for (array = 0; array < MAX_ARRAYS; array++) { 1668 if (!raidp[array]) { 1669 raidp[array] = 1670 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 1671 M_WAITOK | M_ZERO); 1672 } 1673 raid = raidp[array]; 1674 if (raid->format && (raid->format != AR_F_ADAPTEC_RAID)) 1675 continue; 1676 1677 if (raid->magic_0 && raid->magic_0 != meta->configs[0].magic_0) 1678 continue; 1679 1680 if (!meta->generation || be32toh(meta->generation) > raid->generation) { 1681 switch (meta->configs[0].type) { 1682 case ADP_T_RAID0: 1683 raid->magic_0 = meta->configs[0].magic_0; 1684 raid->type = AR_T_RAID0; 1685 raid->interleave = 1 << (meta->configs[0].stripe_shift >> 1); 1686 raid->width = be16toh(meta->configs[0].total_disks); 1687 break; 1688 1689 case ADP_T_RAID1: 1690 raid->magic_0 = meta->configs[0].magic_0; 1691 raid->type = AR_T_RAID1; 1692 raid->width = be16toh(meta->configs[0].total_disks) / 2; 1693 break; 1694 1695 default: 1696 device_printf(parent, "Adaptec unknown RAID type 0x%02x\n", 1697 meta->configs[0].type); 1698 kfree(raidp[array], M_AR); 1699 raidp[array] = NULL; 1700 goto adaptec_out; 1701 } 1702 1703 raid->format = AR_F_ADAPTEC_RAID; 1704 raid->generation = be32toh(meta->generation); 1705 raid->total_disks = be16toh(meta->configs[0].total_disks); 1706 raid->total_sectors = be32toh(meta->configs[0].sectors); 1707 raid->heads = 255; 1708 raid->sectors = 63; 1709 raid->cylinders = raid->total_sectors / (63 * 255); 1710 raid->offset_sectors = 0; 1711 raid->rebuild_lba = 0; 1712 raid->lun = array; 1713 strncpy(raid->name, meta->configs[0].name, 1714 min(sizeof(raid->name), sizeof(meta->configs[0].name))); 1715 1716 /* clear out any old info */ 1717 if (raid->generation) { 1718 for (disk = 0; disk < raid->total_disks; disk++) { 1719 raid->disks[disk].dev = NULL; 1720 raid->disks[disk].flags = 0; 1721 } 1722 } 1723 } 1724 if (be32toh(meta->generation) >= raid->generation) { 1725 struct ata_device *atadev = device_get_softc(parent); 1726 struct ata_channel *ch = device_get_softc(GRANDPARENT(dev)); 1727 int disk_number = (ch->unit << !(ch->flags & ATA_NO_SLAVE)) + 1728 ATA_DEV(atadev->unit); 1729 1730 raid->disks[disk_number].dev = parent; 1731 raid->disks[disk_number].sectors = 1732 be32toh(meta->configs[disk_number + 1].sectors); 1733 raid->disks[disk_number].flags = 1734 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 1735 ars->raid[raid->volume] = raid; 1736 ars->disk_number[raid->volume] = disk_number; 1737 retval = 1; 1738 } 1739 break; 1740 } 1741 1742 adaptec_out: 1743 kfree(meta, M_AR); 1744 return retval; 1745 } 1746 1747 /* Highpoint V2 RocketRAID Metadata */ 1748 static int 1749 ata_raid_hptv2_read_meta(device_t dev, struct ar_softc **raidp) 1750 { 1751 struct ata_raid_subdisk *ars = device_get_softc(dev); 1752 device_t parent = device_get_parent(dev); 1753 struct hptv2_raid_conf *meta; 1754 struct ar_softc *raid = NULL; 1755 int array, disk_number = 0, retval = 0; 1756 1757 meta = (struct hptv2_raid_conf *)kmalloc(sizeof(struct hptv2_raid_conf), 1758 M_AR, M_WAITOK | M_ZERO); 1759 1760 if (ata_raid_rw(parent, HPTV2_LBA(parent), 1761 meta, sizeof(struct hptv2_raid_conf), ATA_R_READ)) { 1762 if (testing || bootverbose) 1763 device_printf(parent, "HighPoint (v2) read metadata failed\n"); 1764 goto hptv2_out; 1765 } 1766 1767 /* check if this is a HighPoint v2 RAID struct */ 1768 if (meta->magic != HPTV2_MAGIC_OK && meta->magic != HPTV2_MAGIC_BAD) { 1769 if (testing || bootverbose) 1770 device_printf(parent, "HighPoint (v2) check1 failed\n"); 1771 goto hptv2_out; 1772 } 1773 1774 /* is this disk defined, or an old leftover/spare ? */ 1775 if (!meta->magic_0) { 1776 if (testing || bootverbose) 1777 device_printf(parent, "HighPoint (v2) check2 failed\n"); 1778 goto hptv2_out; 1779 } 1780 1781 if (testing || bootverbose) 1782 ata_raid_hptv2_print_meta(meta); 1783 1784 /* now convert HighPoint (v2) metadata into our generic form */ 1785 for (array = 0; array < MAX_ARRAYS; array++) { 1786 if (!raidp[array]) { 1787 raidp[array] = 1788 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 1789 M_WAITOK | M_ZERO); 1790 } 1791 raid = raidp[array]; 1792 if (raid->format && (raid->format != AR_F_HPTV2_RAID)) 1793 continue; 1794 1795 switch (meta->type) { 1796 case HPTV2_T_RAID0: 1797 if ((meta->order & (HPTV2_O_RAID0|HPTV2_O_OK)) == 1798 (HPTV2_O_RAID0|HPTV2_O_OK)) 1799 goto highpoint_raid1; 1800 if (meta->order & (HPTV2_O_RAID0 | HPTV2_O_RAID1)) 1801 goto highpoint_raid01; 1802 if (raid->magic_0 && raid->magic_0 != meta->magic_0) 1803 continue; 1804 raid->magic_0 = meta->magic_0; 1805 raid->type = AR_T_RAID0; 1806 raid->interleave = 1 << meta->stripe_shift; 1807 disk_number = meta->disk_number; 1808 if (!(meta->order & HPTV2_O_OK)) 1809 meta->magic = 0; /* mark bad */ 1810 break; 1811 1812 case HPTV2_T_RAID1: 1813 highpoint_raid1: 1814 if (raid->magic_0 && raid->magic_0 != meta->magic_0) 1815 continue; 1816 raid->magic_0 = meta->magic_0; 1817 raid->type = AR_T_RAID1; 1818 disk_number = (meta->disk_number > 0); 1819 break; 1820 1821 case HPTV2_T_RAID01_RAID0: 1822 highpoint_raid01: 1823 if (meta->order & HPTV2_O_RAID0) { 1824 if ((raid->magic_0 && raid->magic_0 != meta->magic_0) || 1825 (raid->magic_1 && raid->magic_1 != meta->magic_1)) 1826 continue; 1827 raid->magic_0 = meta->magic_0; 1828 raid->magic_1 = meta->magic_1; 1829 raid->type = AR_T_RAID01; 1830 raid->interleave = 1 << meta->stripe_shift; 1831 disk_number = meta->disk_number; 1832 } 1833 else { 1834 if (raid->magic_1 && raid->magic_1 != meta->magic_1) 1835 continue; 1836 raid->magic_1 = meta->magic_1; 1837 raid->type = AR_T_RAID01; 1838 raid->interleave = 1 << meta->stripe_shift; 1839 disk_number = meta->disk_number + meta->array_width; 1840 if (!(meta->order & HPTV2_O_RAID1)) 1841 meta->magic = 0; /* mark bad */ 1842 } 1843 break; 1844 1845 case HPTV2_T_SPAN: 1846 if (raid->magic_0 && raid->magic_0 != meta->magic_0) 1847 continue; 1848 raid->magic_0 = meta->magic_0; 1849 raid->type = AR_T_SPAN; 1850 disk_number = meta->disk_number; 1851 break; 1852 1853 default: 1854 device_printf(parent, "Highpoint (v2) unknown RAID type 0x%02x\n", 1855 meta->type); 1856 kfree(raidp[array], M_AR); 1857 raidp[array] = NULL; 1858 goto hptv2_out; 1859 } 1860 1861 raid->format |= AR_F_HPTV2_RAID; 1862 raid->disks[disk_number].dev = parent; 1863 raid->disks[disk_number].flags = (AR_DF_PRESENT | AR_DF_ASSIGNED); 1864 raid->lun = array; 1865 strncpy(raid->name, meta->name_1, 1866 min(sizeof(raid->name), sizeof(meta->name_1))); 1867 if (meta->magic == HPTV2_MAGIC_OK) { 1868 raid->disks[disk_number].flags |= AR_DF_ONLINE; 1869 raid->width = meta->array_width; 1870 raid->total_sectors = meta->total_sectors; 1871 raid->heads = 255; 1872 raid->sectors = 63; 1873 raid->cylinders = raid->total_sectors / (63 * 255); 1874 raid->offset_sectors = HPTV2_LBA(parent) + 1; 1875 raid->rebuild_lba = meta->rebuild_lba; 1876 raid->disks[disk_number].sectors = 1877 raid->total_sectors / raid->width; 1878 } 1879 else 1880 raid->disks[disk_number].flags &= ~AR_DF_ONLINE; 1881 1882 if ((raid->type & AR_T_RAID0) && (raid->total_disks < raid->width)) 1883 raid->total_disks = raid->width; 1884 if (disk_number >= raid->total_disks) 1885 raid->total_disks = disk_number + 1; 1886 ars->raid[raid->volume] = raid; 1887 ars->disk_number[raid->volume] = disk_number; 1888 retval = 1; 1889 break; 1890 } 1891 1892 hptv2_out: 1893 kfree(meta, M_AR); 1894 return retval; 1895 } 1896 1897 static int 1898 ata_raid_hptv2_write_meta(struct ar_softc *rdp) 1899 { 1900 struct hptv2_raid_conf *meta; 1901 struct timeval timestamp; 1902 int disk, error = 0; 1903 1904 meta = (struct hptv2_raid_conf *)kmalloc(sizeof(struct hptv2_raid_conf), 1905 M_AR, M_WAITOK | M_ZERO); 1906 1907 microtime(×tamp); 1908 rdp->magic_0 = timestamp.tv_sec + 2; 1909 rdp->magic_1 = timestamp.tv_sec; 1910 1911 for (disk = 0; disk < rdp->total_disks; disk++) { 1912 if ((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) == 1913 (AR_DF_PRESENT | AR_DF_ONLINE)) 1914 meta->magic = HPTV2_MAGIC_OK; 1915 if (rdp->disks[disk].flags & AR_DF_ASSIGNED) { 1916 meta->magic_0 = rdp->magic_0; 1917 if (strlen(rdp->name)) 1918 strncpy(meta->name_1, rdp->name, sizeof(meta->name_1)); 1919 else 1920 strcpy(meta->name_1, "FreeBSD"); 1921 } 1922 meta->disk_number = disk; 1923 1924 switch (rdp->type) { 1925 case AR_T_RAID0: 1926 meta->type = HPTV2_T_RAID0; 1927 strcpy(meta->name_2, "RAID 0"); 1928 if (rdp->disks[disk].flags & AR_DF_ONLINE) 1929 meta->order = HPTV2_O_OK; 1930 break; 1931 1932 case AR_T_RAID1: 1933 meta->type = HPTV2_T_RAID0; 1934 strcpy(meta->name_2, "RAID 1"); 1935 meta->disk_number = (disk < rdp->width) ? disk : disk + 5; 1936 meta->order = HPTV2_O_RAID0 | HPTV2_O_OK; 1937 break; 1938 1939 case AR_T_RAID01: 1940 meta->type = HPTV2_T_RAID01_RAID0; 1941 strcpy(meta->name_2, "RAID 0+1"); 1942 if (rdp->disks[disk].flags & AR_DF_ONLINE) { 1943 if (disk < rdp->width) { 1944 meta->order = (HPTV2_O_RAID0 | HPTV2_O_RAID1); 1945 meta->magic_0 = rdp->magic_0 - 1; 1946 } 1947 else { 1948 meta->order = HPTV2_O_RAID1; 1949 meta->disk_number -= rdp->width; 1950 } 1951 } 1952 else 1953 meta->magic_0 = rdp->magic_0 - 1; 1954 meta->magic_1 = rdp->magic_1; 1955 break; 1956 1957 case AR_T_SPAN: 1958 meta->type = HPTV2_T_SPAN; 1959 strcpy(meta->name_2, "SPAN"); 1960 break; 1961 default: 1962 kfree(meta, M_AR); 1963 return ENODEV; 1964 } 1965 1966 meta->array_width = rdp->width; 1967 meta->stripe_shift = (rdp->width > 1) ? (ffs(rdp->interleave)-1) : 0; 1968 meta->total_sectors = rdp->total_sectors; 1969 meta->rebuild_lba = rdp->rebuild_lba; 1970 if (testing || bootverbose) 1971 ata_raid_hptv2_print_meta(meta); 1972 if (rdp->disks[disk].dev) { 1973 if (ata_raid_rw(rdp->disks[disk].dev, 1974 HPTV2_LBA(rdp->disks[disk].dev), meta, 1975 sizeof(struct promise_raid_conf), 1976 ATA_R_WRITE | ATA_R_DIRECT)) { 1977 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 1978 error = EIO; 1979 } 1980 } 1981 } 1982 kfree(meta, M_AR); 1983 return error; 1984 } 1985 1986 /* Highpoint V3 RocketRAID Metadata */ 1987 static int 1988 ata_raid_hptv3_read_meta(device_t dev, struct ar_softc **raidp) 1989 { 1990 struct ata_raid_subdisk *ars = device_get_softc(dev); 1991 device_t parent = device_get_parent(dev); 1992 struct hptv3_raid_conf *meta; 1993 struct ar_softc *raid = NULL; 1994 int array, disk_number, retval = 0; 1995 1996 meta = (struct hptv3_raid_conf *)kmalloc(sizeof(struct hptv3_raid_conf), 1997 M_AR, M_WAITOK | M_ZERO); 1998 1999 if (ata_raid_rw(parent, HPTV3_LBA(parent), 2000 meta, sizeof(struct hptv3_raid_conf), ATA_R_READ)) { 2001 if (testing || bootverbose) 2002 device_printf(parent, "HighPoint (v3) read metadata failed\n"); 2003 goto hptv3_out; 2004 } 2005 2006 /* check if this is a HighPoint v3 RAID struct */ 2007 if (meta->magic != HPTV3_MAGIC) { 2008 if (testing || bootverbose) 2009 device_printf(parent, "HighPoint (v3) check1 failed\n"); 2010 goto hptv3_out; 2011 } 2012 2013 /* check if there are any config_entries */ 2014 if (meta->config_entries < 1) { 2015 if (testing || bootverbose) 2016 device_printf(parent, "HighPoint (v3) check2 failed\n"); 2017 goto hptv3_out; 2018 } 2019 2020 if (testing || bootverbose) 2021 ata_raid_hptv3_print_meta(meta); 2022 2023 /* now convert HighPoint (v3) metadata into our generic form */ 2024 for (array = 0; array < MAX_ARRAYS; array++) { 2025 if (!raidp[array]) { 2026 raidp[array] = 2027 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2028 M_WAITOK | M_ZERO); 2029 } 2030 raid = raidp[array]; 2031 if (raid->format && (raid->format != AR_F_HPTV3_RAID)) 2032 continue; 2033 2034 if ((raid->format & AR_F_HPTV3_RAID) && raid->magic_0 != meta->magic_0) 2035 continue; 2036 2037 switch (meta->configs[0].type) { 2038 case HPTV3_T_RAID0: 2039 raid->type = AR_T_RAID0; 2040 raid->width = meta->configs[0].total_disks; 2041 disk_number = meta->configs[0].disk_number; 2042 break; 2043 2044 case HPTV3_T_RAID1: 2045 raid->type = AR_T_RAID1; 2046 raid->width = meta->configs[0].total_disks / 2; 2047 disk_number = meta->configs[0].disk_number; 2048 break; 2049 2050 case HPTV3_T_RAID5: 2051 raid->type = AR_T_RAID5; 2052 raid->width = meta->configs[0].total_disks; 2053 disk_number = meta->configs[0].disk_number; 2054 break; 2055 2056 case HPTV3_T_SPAN: 2057 raid->type = AR_T_SPAN; 2058 raid->width = meta->configs[0].total_disks; 2059 disk_number = meta->configs[0].disk_number; 2060 break; 2061 2062 default: 2063 device_printf(parent, "Highpoint (v3) unknown RAID type 0x%02x\n", 2064 meta->configs[0].type); 2065 kfree(raidp[array], M_AR); 2066 raidp[array] = NULL; 2067 goto hptv3_out; 2068 } 2069 if (meta->config_entries == 2) { 2070 switch (meta->configs[1].type) { 2071 case HPTV3_T_RAID1: 2072 if (raid->type == AR_T_RAID0) { 2073 raid->type = AR_T_RAID01; 2074 disk_number = meta->configs[1].disk_number + 2075 (meta->configs[0].disk_number << 1); 2076 break; 2077 } 2078 default: 2079 device_printf(parent, "Highpoint (v3) unknown level 2 0x%02x\n", 2080 meta->configs[1].type); 2081 kfree(raidp[array], M_AR); 2082 raidp[array] = NULL; 2083 goto hptv3_out; 2084 } 2085 } 2086 2087 raid->magic_0 = meta->magic_0; 2088 raid->format = AR_F_HPTV3_RAID; 2089 raid->generation = meta->timestamp; 2090 raid->interleave = 1 << meta->configs[0].stripe_shift; 2091 raid->total_disks = meta->configs[0].total_disks + 2092 meta->configs[1].total_disks; 2093 raid->total_sectors = meta->configs[0].total_sectors + 2094 ((u_int64_t)meta->configs_high[0].total_sectors << 32); 2095 raid->heads = 255; 2096 raid->sectors = 63; 2097 raid->cylinders = raid->total_sectors / (63 * 255); 2098 raid->offset_sectors = 0; 2099 raid->rebuild_lba = meta->configs[0].rebuild_lba + 2100 ((u_int64_t)meta->configs_high[0].rebuild_lba << 32); 2101 raid->lun = array; 2102 strncpy(raid->name, meta->name, 2103 min(sizeof(raid->name), sizeof(meta->name))); 2104 raid->disks[disk_number].sectors = raid->total_sectors / 2105 (raid->type == AR_T_RAID5 ? raid->width - 1 : raid->width); 2106 raid->disks[disk_number].dev = parent; 2107 raid->disks[disk_number].flags = 2108 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 2109 ars->raid[raid->volume] = raid; 2110 ars->disk_number[raid->volume] = disk_number; 2111 retval = 1; 2112 break; 2113 } 2114 2115 hptv3_out: 2116 kfree(meta, M_AR); 2117 return retval; 2118 } 2119 2120 /* Intel MatrixRAID Metadata */ 2121 static int 2122 ata_raid_intel_read_meta(device_t dev, struct ar_softc **raidp) 2123 { 2124 struct ata_raid_subdisk *ars = device_get_softc(dev); 2125 device_t parent = device_get_parent(dev); 2126 struct intel_raid_conf *meta; 2127 struct intel_raid_mapping *map; 2128 struct ar_softc *raid = NULL; 2129 u_int32_t checksum, *ptr; 2130 int array, count, disk, volume = 1, retval = 0; 2131 char *tmp; 2132 2133 meta = (struct intel_raid_conf *)kmalloc(1536, M_AR, M_WAITOK | M_ZERO); 2134 2135 if (ata_raid_rw(parent, INTEL_LBA(parent), meta, 1024, ATA_R_READ)) { 2136 if (testing || bootverbose) 2137 device_printf(parent, "Intel read metadata failed\n"); 2138 goto intel_out; 2139 } 2140 tmp = (char *)meta; 2141 bcopy(tmp, tmp+1024, 512); 2142 bcopy(tmp+512, tmp, 1024); 2143 bzero(tmp+1024, 512); 2144 2145 /* check if this is a Intel RAID struct */ 2146 if (strncmp(meta->intel_id, INTEL_MAGIC, strlen(INTEL_MAGIC))) { 2147 if (testing || bootverbose) 2148 device_printf(parent, "Intel check1 failed\n"); 2149 goto intel_out; 2150 } 2151 2152 for (checksum = 0, ptr = (u_int32_t *)meta, count = 0; 2153 count < (meta->config_size / sizeof(u_int32_t)); count++) { 2154 checksum += *ptr++; 2155 } 2156 checksum -= meta->checksum; 2157 if (checksum != meta->checksum) { 2158 if (testing || bootverbose) 2159 device_printf(parent, "Intel check2 failed\n"); 2160 goto intel_out; 2161 } 2162 2163 if (testing || bootverbose) 2164 ata_raid_intel_print_meta(meta); 2165 2166 map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks]; 2167 2168 /* now convert Intel metadata into our generic form */ 2169 for (array = 0; array < MAX_ARRAYS; array++) { 2170 if (!raidp[array]) { 2171 raidp[array] = 2172 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2173 M_WAITOK | M_ZERO); 2174 } 2175 raid = raidp[array]; 2176 if (raid->format && (raid->format != AR_F_INTEL_RAID)) 2177 continue; 2178 2179 if ((raid->format & AR_F_INTEL_RAID) && 2180 (raid->magic_0 != meta->config_id)) 2181 continue; 2182 2183 /* 2184 * update our knowledge about the array config based on generation 2185 * NOTE: there can be multiple volumes on a disk set 2186 */ 2187 if (!meta->generation || meta->generation > raid->generation) { 2188 switch (map->type) { 2189 case INTEL_T_RAID0: 2190 raid->type = AR_T_RAID0; 2191 raid->width = map->total_disks; 2192 break; 2193 2194 case INTEL_T_RAID1: 2195 if (map->total_disks == 4) 2196 raid->type = AR_T_RAID01; 2197 else 2198 raid->type = AR_T_RAID1; 2199 raid->width = map->total_disks / 2; 2200 break; 2201 2202 case INTEL_T_RAID5: 2203 raid->type = AR_T_RAID5; 2204 raid->width = map->total_disks; 2205 break; 2206 2207 default: 2208 device_printf(parent, "Intel unknown RAID type 0x%02x\n", 2209 map->type); 2210 kfree(raidp[array], M_AR); 2211 raidp[array] = NULL; 2212 goto intel_out; 2213 } 2214 2215 switch (map->status) { 2216 case INTEL_S_READY: 2217 raid->status = AR_S_READY; 2218 break; 2219 case INTEL_S_DEGRADED: 2220 raid->status |= AR_S_DEGRADED; 2221 break; 2222 case INTEL_S_DISABLED: 2223 case INTEL_S_FAILURE: 2224 raid->status = 0; 2225 } 2226 2227 raid->magic_0 = meta->config_id; 2228 raid->format = AR_F_INTEL_RAID; 2229 raid->generation = meta->generation; 2230 raid->interleave = map->stripe_sectors; 2231 raid->total_disks = map->total_disks; 2232 raid->total_sectors = map->total_sectors; 2233 raid->heads = 255; 2234 raid->sectors = 63; 2235 raid->cylinders = raid->total_sectors / (63 * 255); 2236 raid->offset_sectors = map->offset; 2237 raid->rebuild_lba = 0; 2238 raid->lun = array; 2239 raid->volume = volume - 1; 2240 strncpy(raid->name, map->name, 2241 min(sizeof(raid->name), sizeof(map->name))); 2242 2243 /* clear out any old info */ 2244 for (disk = 0; disk < raid->total_disks; disk++) { 2245 raid->disks[disk].dev = NULL; 2246 bcopy(meta->disk[map->disk_idx[disk]].serial, 2247 raid->disks[disk].serial, 2248 sizeof(raid->disks[disk].serial)); 2249 raid->disks[disk].sectors = 2250 meta->disk[map->disk_idx[disk]].sectors; 2251 raid->disks[disk].flags = 0; 2252 if (meta->disk[map->disk_idx[disk]].flags & INTEL_F_ONLINE) 2253 raid->disks[disk].flags |= AR_DF_ONLINE; 2254 if (meta->disk[map->disk_idx[disk]].flags & INTEL_F_ASSIGNED) 2255 raid->disks[disk].flags |= AR_DF_ASSIGNED; 2256 if (meta->disk[map->disk_idx[disk]].flags & INTEL_F_SPARE) { 2257 raid->disks[disk].flags &= ~(AR_DF_ONLINE | AR_DF_ASSIGNED); 2258 raid->disks[disk].flags |= AR_DF_SPARE; 2259 } 2260 if (meta->disk[map->disk_idx[disk]].flags & INTEL_F_DOWN) 2261 raid->disks[disk].flags &= ~AR_DF_ONLINE; 2262 } 2263 } 2264 if (meta->generation >= raid->generation) { 2265 for (disk = 0; disk < raid->total_disks; disk++) { 2266 struct ata_device *atadev = device_get_softc(parent); 2267 2268 if (!strncmp(raid->disks[disk].serial, atadev->param.serial, 2269 sizeof(raid->disks[disk].serial))) { 2270 raid->disks[disk].dev = parent; 2271 raid->disks[disk].flags |= (AR_DF_PRESENT | AR_DF_ONLINE); 2272 ars->raid[raid->volume] = raid; 2273 ars->disk_number[raid->volume] = disk; 2274 retval = 1; 2275 } 2276 } 2277 } 2278 else 2279 goto intel_out; 2280 2281 if (retval) { 2282 if (volume < meta->total_volumes) { 2283 map = (struct intel_raid_mapping *) 2284 &map->disk_idx[map->total_disks]; 2285 volume++; 2286 retval = 0; 2287 continue; 2288 } 2289 break; 2290 } 2291 else { 2292 kfree(raidp[array], M_AR); 2293 raidp[array] = NULL; 2294 if (volume == 2) 2295 retval = 1; 2296 } 2297 } 2298 2299 intel_out: 2300 kfree(meta, M_AR); 2301 return retval; 2302 } 2303 2304 static int 2305 ata_raid_intel_write_meta(struct ar_softc *rdp) 2306 { 2307 struct intel_raid_conf *meta; 2308 struct intel_raid_mapping *map; 2309 struct timeval timestamp; 2310 u_int32_t checksum, *ptr; 2311 int count, disk, error = 0; 2312 char *tmp; 2313 2314 meta = (struct intel_raid_conf *)kmalloc(1536, M_AR, M_WAITOK | M_ZERO); 2315 2316 rdp->generation++; 2317 2318 /* Generate a new config_id if none exists */ 2319 if (!rdp->magic_0) { 2320 microtime(×tamp); 2321 rdp->magic_0 = timestamp.tv_sec ^ timestamp.tv_usec; 2322 } 2323 2324 bcopy(INTEL_MAGIC, meta->intel_id, sizeof(meta->intel_id)); 2325 bcopy(INTEL_VERSION_1100, meta->version, sizeof(meta->version)); 2326 meta->config_id = rdp->magic_0; 2327 meta->generation = rdp->generation; 2328 meta->total_disks = rdp->total_disks; 2329 meta->total_volumes = 1; /* XXX SOS */ 2330 for (disk = 0; disk < rdp->total_disks; disk++) { 2331 if (rdp->disks[disk].dev) { 2332 struct ata_channel *ch = 2333 device_get_softc(device_get_parent(rdp->disks[disk].dev)); 2334 struct ata_device *atadev = 2335 device_get_softc(rdp->disks[disk].dev); 2336 2337 bcopy(atadev->param.serial, meta->disk[disk].serial, 2338 sizeof(rdp->disks[disk].serial)); 2339 meta->disk[disk].sectors = rdp->disks[disk].sectors; 2340 meta->disk[disk].id = (ch->unit << 16) | ATA_DEV(atadev->unit); 2341 } 2342 else 2343 meta->disk[disk].sectors = rdp->total_sectors / rdp->width; 2344 meta->disk[disk].flags = 0; 2345 if (rdp->disks[disk].flags & AR_DF_SPARE) 2346 meta->disk[disk].flags |= INTEL_F_SPARE; 2347 else { 2348 if (rdp->disks[disk].flags & AR_DF_ONLINE) 2349 meta->disk[disk].flags |= INTEL_F_ONLINE; 2350 else 2351 meta->disk[disk].flags |= INTEL_F_DOWN; 2352 if (rdp->disks[disk].flags & AR_DF_ASSIGNED) 2353 meta->disk[disk].flags |= INTEL_F_ASSIGNED; 2354 } 2355 } 2356 map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks]; 2357 2358 bcopy(rdp->name, map->name, sizeof(rdp->name)); 2359 map->total_sectors = rdp->total_sectors; 2360 map->state = 12; /* XXX SOS */ 2361 map->offset = rdp->offset_sectors; 2362 map->stripe_count = rdp->total_sectors / (rdp->interleave*rdp->total_disks); 2363 map->stripe_sectors = rdp->interleave; 2364 map->disk_sectors = rdp->total_sectors / rdp->width; 2365 map->status = INTEL_S_READY; /* XXX SOS */ 2366 switch (rdp->type) { 2367 case AR_T_RAID0: 2368 map->type = INTEL_T_RAID0; 2369 break; 2370 case AR_T_RAID1: 2371 map->type = INTEL_T_RAID1; 2372 break; 2373 case AR_T_RAID01: 2374 map->type = INTEL_T_RAID1; 2375 break; 2376 case AR_T_RAID5: 2377 map->type = INTEL_T_RAID5; 2378 break; 2379 default: 2380 kfree(meta, M_AR); 2381 return ENODEV; 2382 } 2383 map->total_disks = rdp->total_disks; 2384 map->magic[0] = 0x02; 2385 map->magic[1] = 0xff; 2386 map->magic[2] = 0x01; 2387 for (disk = 0; disk < rdp->total_disks; disk++) 2388 map->disk_idx[disk] = disk; 2389 2390 meta->config_size = (char *)&map->disk_idx[disk] - (char *)meta; 2391 for (checksum = 0, ptr = (u_int32_t *)meta, count = 0; 2392 count < (meta->config_size / sizeof(u_int32_t)); count++) { 2393 checksum += *ptr++; 2394 } 2395 meta->checksum = checksum; 2396 2397 if (testing || bootverbose) 2398 ata_raid_intel_print_meta(meta); 2399 2400 tmp = (char *)meta; 2401 bcopy(tmp, tmp+1024, 512); 2402 bcopy(tmp+512, tmp, 1024); 2403 bzero(tmp+1024, 512); 2404 2405 for (disk = 0; disk < rdp->total_disks; disk++) { 2406 if (rdp->disks[disk].dev) { 2407 if (ata_raid_rw(rdp->disks[disk].dev, 2408 INTEL_LBA(rdp->disks[disk].dev), 2409 meta, 1024, ATA_R_WRITE | ATA_R_DIRECT)) { 2410 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 2411 error = EIO; 2412 } 2413 } 2414 } 2415 kfree(meta, M_AR); 2416 return error; 2417 } 2418 2419 2420 /* Integrated Technology Express Metadata */ 2421 static int 2422 ata_raid_ite_read_meta(device_t dev, struct ar_softc **raidp) 2423 { 2424 struct ata_raid_subdisk *ars = device_get_softc(dev); 2425 device_t parent = device_get_parent(dev); 2426 struct ite_raid_conf *meta; 2427 struct ar_softc *raid = NULL; 2428 int array, disk_number, count, retval = 0; 2429 u_int16_t *ptr; 2430 2431 meta = (struct ite_raid_conf *)kmalloc(sizeof(struct ite_raid_conf), M_AR, 2432 M_WAITOK | M_ZERO); 2433 2434 if (ata_raid_rw(parent, ITE_LBA(parent), 2435 meta, sizeof(struct ite_raid_conf), ATA_R_READ)) { 2436 if (testing || bootverbose) 2437 device_printf(parent, "ITE read metadata failed\n"); 2438 goto ite_out; 2439 } 2440 2441 /* check if this is a ITE RAID struct */ 2442 for (ptr = (u_int16_t *)meta->ite_id, count = 0; 2443 count < sizeof(meta->ite_id)/sizeof(uint16_t); count++) 2444 ptr[count] = be16toh(ptr[count]); 2445 2446 if (strncmp(meta->ite_id, ITE_MAGIC, strlen(ITE_MAGIC))) { 2447 if (testing || bootverbose) 2448 device_printf(parent, "ITE check1 failed\n"); 2449 goto ite_out; 2450 } 2451 2452 if (testing || bootverbose) 2453 ata_raid_ite_print_meta(meta); 2454 2455 /* now convert ITE metadata into our generic form */ 2456 for (array = 0; array < MAX_ARRAYS; array++) { 2457 if ((raid = raidp[array])) { 2458 if (raid->format != AR_F_ITE_RAID) 2459 continue; 2460 if (raid->magic_0 != *((u_int64_t *)meta->timestamp_0)) 2461 continue; 2462 } 2463 2464 /* if we dont have a disks timestamp the RAID is invalidated */ 2465 if (*((u_int64_t *)meta->timestamp_1) == 0) 2466 goto ite_out; 2467 2468 if (!raid) { 2469 raidp[array] = (struct ar_softc *)kmalloc(sizeof(struct ar_softc), 2470 M_AR, M_WAITOK | M_ZERO); 2471 } 2472 2473 switch (meta->type) { 2474 case ITE_T_RAID0: 2475 raid->type = AR_T_RAID0; 2476 raid->width = meta->array_width; 2477 raid->total_disks = meta->array_width; 2478 disk_number = meta->disk_number; 2479 break; 2480 2481 case ITE_T_RAID1: 2482 raid->type = AR_T_RAID1; 2483 raid->width = 1; 2484 raid->total_disks = 2; 2485 disk_number = meta->disk_number; 2486 break; 2487 2488 case ITE_T_RAID01: 2489 raid->type = AR_T_RAID01; 2490 raid->width = meta->array_width; 2491 raid->total_disks = 4; 2492 disk_number = ((meta->disk_number & 0x02) >> 1) | 2493 ((meta->disk_number & 0x01) << 1); 2494 break; 2495 2496 case ITE_T_SPAN: 2497 raid->type = AR_T_SPAN; 2498 raid->width = 1; 2499 raid->total_disks = meta->array_width; 2500 disk_number = meta->disk_number; 2501 break; 2502 2503 default: 2504 device_printf(parent, "ITE unknown RAID type 0x%02x\n", meta->type); 2505 kfree(raidp[array], M_AR); 2506 raidp[array] = NULL; 2507 goto ite_out; 2508 } 2509 2510 raid->magic_0 = *((u_int64_t *)meta->timestamp_0); 2511 raid->format = AR_F_ITE_RAID; 2512 raid->generation = 0; 2513 raid->interleave = meta->stripe_sectors; 2514 raid->total_sectors = meta->total_sectors; 2515 raid->heads = 255; 2516 raid->sectors = 63; 2517 raid->cylinders = raid->total_sectors / (63 * 255); 2518 raid->offset_sectors = 0; 2519 raid->rebuild_lba = 0; 2520 raid->lun = array; 2521 2522 raid->disks[disk_number].dev = parent; 2523 raid->disks[disk_number].sectors = raid->total_sectors / raid->width; 2524 raid->disks[disk_number].flags = 2525 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 2526 ars->raid[raid->volume] = raid; 2527 ars->disk_number[raid->volume] = disk_number; 2528 retval = 1; 2529 break; 2530 } 2531 ite_out: 2532 kfree(meta, M_AR); 2533 return retval; 2534 } 2535 2536 /* JMicron Technology Corp Metadata */ 2537 static int 2538 ata_raid_jmicron_read_meta(device_t dev, struct ar_softc **raidp) 2539 { 2540 struct ata_raid_subdisk *ars = device_get_softc(dev); 2541 device_t parent = device_get_parent(dev); 2542 struct jmicron_raid_conf *meta; 2543 struct ar_softc *raid = NULL; 2544 u_int16_t checksum, *ptr; 2545 u_int64_t disk_size; 2546 int count, array, disk, total_disks, retval = 0; 2547 2548 meta = (struct jmicron_raid_conf *) 2549 kmalloc(sizeof(struct jmicron_raid_conf), M_AR, M_WAITOK | M_ZERO); 2550 2551 if (ata_raid_rw(parent, JMICRON_LBA(parent), 2552 meta, sizeof(struct jmicron_raid_conf), ATA_R_READ)) { 2553 if (testing || bootverbose) 2554 device_printf(parent, 2555 "JMicron read metadata failed\n"); 2556 } 2557 2558 /* check for JMicron signature */ 2559 if (strncmp(meta->signature, JMICRON_MAGIC, 2)) { 2560 if (testing || bootverbose) 2561 device_printf(parent, "JMicron check1 failed\n"); 2562 goto jmicron_out; 2563 } 2564 2565 /* calculate checksum and compare for valid */ 2566 for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 64; count++) 2567 checksum += *ptr++; 2568 if (checksum) { 2569 if (testing || bootverbose) 2570 device_printf(parent, "JMicron check2 failed\n"); 2571 goto jmicron_out; 2572 } 2573 2574 if (testing || bootverbose) 2575 ata_raid_jmicron_print_meta(meta); 2576 2577 /* now convert JMicron meta into our generic form */ 2578 for (array = 0; array < MAX_ARRAYS; array++) { 2579 jmicron_next: 2580 if (!raidp[array]) { 2581 raidp[array] = 2582 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2583 M_WAITOK | M_ZERO); 2584 } 2585 raid = raidp[array]; 2586 if (raid->format && (raid->format != AR_F_JMICRON_RAID)) 2587 continue; 2588 2589 for (total_disks = 0, disk = 0; disk < JM_MAX_DISKS; disk++) { 2590 if (meta->disks[disk]) { 2591 if (raid->format == AR_F_JMICRON_RAID) { 2592 if (bcmp(&meta->disks[disk], 2593 raid->disks[disk].serial, sizeof(u_int32_t))) { 2594 array++; 2595 goto jmicron_next; 2596 } 2597 } 2598 else 2599 bcopy(&meta->disks[disk], 2600 raid->disks[disk].serial, sizeof(u_int32_t)); 2601 total_disks++; 2602 } 2603 } 2604 /* handle spares XXX SOS */ 2605 2606 switch (meta->type) { 2607 case JM_T_RAID0: 2608 raid->type = AR_T_RAID0; 2609 raid->width = total_disks; 2610 break; 2611 2612 case JM_T_RAID1: 2613 raid->type = AR_T_RAID1; 2614 raid->width = 1; 2615 break; 2616 2617 case JM_T_RAID01: 2618 raid->type = AR_T_RAID01; 2619 raid->width = total_disks / 2; 2620 break; 2621 2622 case JM_T_RAID5: 2623 raid->type = AR_T_RAID5; 2624 raid->width = total_disks; 2625 break; 2626 2627 case JM_T_JBOD: 2628 raid->type = AR_T_SPAN; 2629 raid->width = 1; 2630 break; 2631 2632 default: 2633 device_printf(parent, 2634 "JMicron unknown RAID type 0x%02x\n", meta->type); 2635 kfree(raidp[array], M_AR); 2636 raidp[array] = NULL; 2637 goto jmicron_out; 2638 } 2639 disk_size = (meta->disk_sectors_high << 16) + meta->disk_sectors_low; 2640 raid->format = AR_F_JMICRON_RAID; 2641 strncpy(raid->name, meta->name, sizeof(meta->name)); 2642 raid->generation = 0; 2643 raid->interleave = 2 << meta->stripe_shift; 2644 raid->total_disks = total_disks; 2645 raid->total_sectors = disk_size * (raid->width-(raid->type==AR_RAID5)); 2646 raid->heads = 255; 2647 raid->sectors = 63; 2648 raid->cylinders = raid->total_sectors / (63 * 255); 2649 raid->offset_sectors = meta->offset * 16; 2650 raid->rebuild_lba = 0; 2651 raid->lun = array; 2652 2653 for (disk = 0; disk < raid->total_disks; disk++) { 2654 if (meta->disks[disk] == meta->disk_id) { 2655 raid->disks[disk].dev = parent; 2656 raid->disks[disk].sectors = disk_size; 2657 raid->disks[disk].flags = 2658 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 2659 ars->raid[raid->volume] = raid; 2660 ars->disk_number[raid->volume] = disk; 2661 retval = 1; 2662 break; 2663 } 2664 } 2665 break; 2666 } 2667 jmicron_out: 2668 kfree(meta, M_AR); 2669 return retval; 2670 } 2671 2672 static int 2673 ata_raid_jmicron_write_meta(struct ar_softc *rdp) 2674 { 2675 struct jmicron_raid_conf *meta; 2676 u_int64_t disk_sectors; 2677 int disk, error = 0; 2678 2679 meta = (struct jmicron_raid_conf *) 2680 kmalloc(sizeof(struct jmicron_raid_conf), M_AR, M_WAITOK | M_ZERO); 2681 2682 rdp->generation++; 2683 switch (rdp->type) { 2684 case AR_T_JBOD: 2685 meta->type = JM_T_JBOD; 2686 break; 2687 2688 case AR_T_RAID0: 2689 meta->type = JM_T_RAID0; 2690 break; 2691 2692 case AR_T_RAID1: 2693 meta->type = JM_T_RAID1; 2694 break; 2695 2696 case AR_T_RAID5: 2697 meta->type = JM_T_RAID5; 2698 break; 2699 2700 case AR_T_RAID01: 2701 meta->type = JM_T_RAID01; 2702 break; 2703 2704 default: 2705 kfree(meta, M_AR); 2706 return ENODEV; 2707 } 2708 bcopy(JMICRON_MAGIC, meta->signature, sizeof(JMICRON_MAGIC)); 2709 meta->version = JMICRON_VERSION; 2710 meta->offset = rdp->offset_sectors / 16; 2711 disk_sectors = rdp->total_sectors / (rdp->width - (rdp->type == AR_RAID5)); 2712 meta->disk_sectors_low = disk_sectors & 0xffff; 2713 meta->disk_sectors_high = disk_sectors >> 16; 2714 strncpy(meta->name, rdp->name, sizeof(meta->name)); 2715 meta->stripe_shift = ffs(rdp->interleave) - 2; 2716 2717 for (disk = 0; disk < rdp->total_disks; disk++) { 2718 if (rdp->disks[disk].serial[0]) 2719 bcopy(rdp->disks[disk].serial,&meta->disks[disk],sizeof(u_int32_t)); 2720 else 2721 meta->disks[disk] = (u_int32_t)(uintptr_t)rdp->disks[disk].dev; 2722 } 2723 2724 for (disk = 0; disk < rdp->total_disks; disk++) { 2725 if (rdp->disks[disk].dev) { 2726 u_int16_t checksum = 0, *ptr; 2727 int count; 2728 2729 meta->disk_id = meta->disks[disk]; 2730 meta->checksum = 0; 2731 for (ptr = (u_int16_t *)meta, count = 0; count < 64; count++) 2732 checksum += *ptr++; 2733 meta->checksum -= checksum; 2734 2735 if (testing || bootverbose) 2736 ata_raid_jmicron_print_meta(meta); 2737 2738 if (ata_raid_rw(rdp->disks[disk].dev, 2739 JMICRON_LBA(rdp->disks[disk].dev), 2740 meta, sizeof(struct jmicron_raid_conf), 2741 ATA_R_WRITE | ATA_R_DIRECT)) { 2742 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 2743 error = EIO; 2744 } 2745 } 2746 } 2747 /* handle spares XXX SOS */ 2748 2749 kfree(meta, M_AR); 2750 return error; 2751 } 2752 2753 /* LSILogic V2 MegaRAID Metadata */ 2754 static int 2755 ata_raid_lsiv2_read_meta(device_t dev, struct ar_softc **raidp) 2756 { 2757 struct ata_raid_subdisk *ars = device_get_softc(dev); 2758 device_t parent = device_get_parent(dev); 2759 struct lsiv2_raid_conf *meta; 2760 struct ar_softc *raid = NULL; 2761 int array, retval = 0; 2762 2763 meta = (struct lsiv2_raid_conf *)kmalloc(sizeof(struct lsiv2_raid_conf), 2764 M_AR, M_WAITOK | M_ZERO); 2765 2766 if (ata_raid_rw(parent, LSIV2_LBA(parent), 2767 meta, sizeof(struct lsiv2_raid_conf), ATA_R_READ)) { 2768 if (testing || bootverbose) 2769 device_printf(parent, "LSI (v2) read metadata failed\n"); 2770 goto lsiv2_out; 2771 } 2772 2773 /* check if this is a LSI RAID struct */ 2774 if (strncmp(meta->lsi_id, LSIV2_MAGIC, strlen(LSIV2_MAGIC))) { 2775 if (testing || bootverbose) 2776 device_printf(parent, "LSI (v2) check1 failed\n"); 2777 goto lsiv2_out; 2778 } 2779 2780 if (testing || bootverbose) 2781 ata_raid_lsiv2_print_meta(meta); 2782 2783 /* now convert LSI (v2) config meta into our generic form */ 2784 for (array = 0; array < MAX_ARRAYS; array++) { 2785 int raid_entry, conf_entry; 2786 2787 if (!raidp[array + meta->raid_number]) { 2788 raidp[array + meta->raid_number] = 2789 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2790 M_WAITOK | M_ZERO); 2791 } 2792 raid = raidp[array + meta->raid_number]; 2793 if (raid->format && (raid->format != AR_F_LSIV2_RAID)) 2794 continue; 2795 2796 if (raid->magic_0 && 2797 ((raid->magic_0 != meta->timestamp) || 2798 (raid->magic_1 != meta->raid_number))) 2799 continue; 2800 2801 array += meta->raid_number; 2802 2803 raid_entry = meta->raid_number; 2804 conf_entry = (meta->configs[raid_entry].raid.config_offset >> 4) + 2805 meta->disk_number - 1; 2806 2807 switch (meta->configs[raid_entry].raid.type) { 2808 case LSIV2_T_RAID0: 2809 raid->magic_0 = meta->timestamp; 2810 raid->magic_1 = meta->raid_number; 2811 raid->type = AR_T_RAID0; 2812 raid->interleave = meta->configs[raid_entry].raid.stripe_sectors; 2813 raid->width = meta->configs[raid_entry].raid.array_width; 2814 break; 2815 2816 case LSIV2_T_RAID1: 2817 raid->magic_0 = meta->timestamp; 2818 raid->magic_1 = meta->raid_number; 2819 raid->type = AR_T_RAID1; 2820 raid->width = meta->configs[raid_entry].raid.array_width; 2821 break; 2822 2823 case LSIV2_T_RAID0 | LSIV2_T_RAID1: 2824 raid->magic_0 = meta->timestamp; 2825 raid->magic_1 = meta->raid_number; 2826 raid->type = AR_T_RAID01; 2827 raid->interleave = meta->configs[raid_entry].raid.stripe_sectors; 2828 raid->width = meta->configs[raid_entry].raid.array_width; 2829 break; 2830 2831 default: 2832 device_printf(parent, "LSI v2 unknown RAID type 0x%02x\n", 2833 meta->configs[raid_entry].raid.type); 2834 kfree(raidp[array], M_AR); 2835 raidp[array] = NULL; 2836 goto lsiv2_out; 2837 } 2838 2839 raid->format = AR_F_LSIV2_RAID; 2840 raid->generation = 0; 2841 raid->total_disks = meta->configs[raid_entry].raid.disk_count; 2842 raid->total_sectors = meta->configs[raid_entry].raid.total_sectors; 2843 raid->heads = 255; 2844 raid->sectors = 63; 2845 raid->cylinders = raid->total_sectors / (63 * 255); 2846 raid->offset_sectors = 0; 2847 raid->rebuild_lba = 0; 2848 raid->lun = array; 2849 2850 if (meta->configs[conf_entry].disk.device != LSIV2_D_NONE) { 2851 raid->disks[meta->disk_number].dev = parent; 2852 raid->disks[meta->disk_number].sectors = 2853 meta->configs[conf_entry].disk.disk_sectors; 2854 raid->disks[meta->disk_number].flags = 2855 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 2856 ars->raid[raid->volume] = raid; 2857 ars->disk_number[raid->volume] = meta->disk_number; 2858 retval = 1; 2859 } 2860 else 2861 raid->disks[meta->disk_number].flags &= ~AR_DF_ONLINE; 2862 2863 break; 2864 } 2865 2866 lsiv2_out: 2867 kfree(meta, M_AR); 2868 return retval; 2869 } 2870 2871 /* LSILogic V3 MegaRAID Metadata */ 2872 static int 2873 ata_raid_lsiv3_read_meta(device_t dev, struct ar_softc **raidp) 2874 { 2875 struct ata_raid_subdisk *ars = device_get_softc(dev); 2876 device_t parent = device_get_parent(dev); 2877 struct lsiv3_raid_conf *meta; 2878 struct ar_softc *raid = NULL; 2879 u_int8_t checksum, *ptr; 2880 int array, entry, count, disk_number, retval = 0; 2881 2882 meta = (struct lsiv3_raid_conf *)kmalloc(sizeof(struct lsiv3_raid_conf), 2883 M_AR, M_WAITOK | M_ZERO); 2884 2885 if (ata_raid_rw(parent, LSIV3_LBA(parent), 2886 meta, sizeof(struct lsiv3_raid_conf), ATA_R_READ)) { 2887 if (testing || bootverbose) 2888 device_printf(parent, "LSI (v3) read metadata failed\n"); 2889 goto lsiv3_out; 2890 } 2891 2892 /* check if this is a LSI RAID struct */ 2893 if (strncmp(meta->lsi_id, LSIV3_MAGIC, strlen(LSIV3_MAGIC))) { 2894 if (testing || bootverbose) 2895 device_printf(parent, "LSI (v3) check1 failed\n"); 2896 goto lsiv3_out; 2897 } 2898 2899 /* check if the checksum is OK */ 2900 for (checksum = 0, ptr = meta->lsi_id, count = 0; count < 512; count++) 2901 checksum += *ptr++; 2902 if (checksum) { 2903 if (testing || bootverbose) 2904 device_printf(parent, "LSI (v3) check2 failed\n"); 2905 goto lsiv3_out; 2906 } 2907 2908 if (testing || bootverbose) 2909 ata_raid_lsiv3_print_meta(meta); 2910 2911 /* now convert LSI (v3) config meta into our generic form */ 2912 for (array = 0, entry = 0; array < MAX_ARRAYS && entry < 8;) { 2913 if (!raidp[array]) { 2914 raidp[array] = 2915 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2916 M_WAITOK | M_ZERO); 2917 } 2918 raid = raidp[array]; 2919 if (raid->format && (raid->format != AR_F_LSIV3_RAID)) { 2920 array++; 2921 continue; 2922 } 2923 2924 if ((raid->format == AR_F_LSIV3_RAID) && 2925 (raid->magic_0 != meta->timestamp)) { 2926 array++; 2927 continue; 2928 } 2929 2930 switch (meta->raid[entry].total_disks) { 2931 case 0: 2932 entry++; 2933 continue; 2934 case 1: 2935 if (meta->raid[entry].device == meta->device) { 2936 disk_number = 0; 2937 break; 2938 } 2939 if (raid->format) 2940 array++; 2941 entry++; 2942 continue; 2943 case 2: 2944 disk_number = (meta->device & (LSIV3_D_DEVICE|LSIV3_D_CHANNEL))?1:0; 2945 break; 2946 default: 2947 device_printf(parent, "lsiv3 > 2 disk support untested!!\n"); 2948 disk_number = (meta->device & LSIV3_D_DEVICE ? 1 : 0) + 2949 (meta->device & LSIV3_D_CHANNEL ? 2 : 0); 2950 break; 2951 } 2952 2953 switch (meta->raid[entry].type) { 2954 case LSIV3_T_RAID0: 2955 raid->type = AR_T_RAID0; 2956 raid->width = meta->raid[entry].total_disks; 2957 break; 2958 2959 case LSIV3_T_RAID1: 2960 raid->type = AR_T_RAID1; 2961 raid->width = meta->raid[entry].array_width; 2962 break; 2963 2964 default: 2965 device_printf(parent, "LSI v3 unknown RAID type 0x%02x\n", 2966 meta->raid[entry].type); 2967 kfree(raidp[array], M_AR); 2968 raidp[array] = NULL; 2969 entry++; 2970 continue; 2971 } 2972 2973 raid->magic_0 = meta->timestamp; 2974 raid->format = AR_F_LSIV3_RAID; 2975 raid->generation = 0; 2976 raid->interleave = meta->raid[entry].stripe_pages * 8; 2977 raid->total_disks = meta->raid[entry].total_disks; 2978 raid->total_sectors = raid->width * meta->raid[entry].sectors; 2979 raid->heads = 255; 2980 raid->sectors = 63; 2981 raid->cylinders = raid->total_sectors / (63 * 255); 2982 raid->offset_sectors = meta->raid[entry].offset; 2983 raid->rebuild_lba = 0; 2984 raid->lun = array; 2985 2986 raid->disks[disk_number].dev = parent; 2987 raid->disks[disk_number].sectors = raid->total_sectors / raid->width; 2988 raid->disks[disk_number].flags = 2989 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 2990 ars->raid[raid->volume] = raid; 2991 ars->disk_number[raid->volume] = disk_number; 2992 retval = 1; 2993 entry++; 2994 array++; 2995 } 2996 2997 lsiv3_out: 2998 kfree(meta, M_AR); 2999 return retval; 3000 } 3001 3002 /* nVidia MediaShield Metadata */ 3003 static int 3004 ata_raid_nvidia_read_meta(device_t dev, struct ar_softc **raidp) 3005 { 3006 struct ata_raid_subdisk *ars = device_get_softc(dev); 3007 device_t parent = device_get_parent(dev); 3008 struct nvidia_raid_conf *meta; 3009 struct ar_softc *raid = NULL; 3010 u_int32_t checksum, *ptr; 3011 int array, count, retval = 0; 3012 3013 meta = (struct nvidia_raid_conf *)kmalloc(sizeof(struct nvidia_raid_conf), 3014 M_AR, M_WAITOK | M_ZERO); 3015 3016 if (ata_raid_rw(parent, NVIDIA_LBA(parent), 3017 meta, sizeof(struct nvidia_raid_conf), ATA_R_READ)) { 3018 if (testing || bootverbose) 3019 device_printf(parent, "nVidia read metadata failed\n"); 3020 goto nvidia_out; 3021 } 3022 3023 /* check if this is a nVidia RAID struct */ 3024 if (strncmp(meta->nvidia_id, NV_MAGIC, strlen(NV_MAGIC))) { 3025 if (testing || bootverbose) 3026 device_printf(parent, "nVidia check1 failed\n"); 3027 goto nvidia_out; 3028 } 3029 3030 /* check if the checksum is OK */ 3031 for (checksum = 0, ptr = (u_int32_t*)meta, count = 0; 3032 count < meta->config_size; count++) 3033 checksum += *ptr++; 3034 if (checksum) { 3035 if (testing || bootverbose) 3036 device_printf(parent, "nVidia check2 failed\n"); 3037 goto nvidia_out; 3038 } 3039 3040 if (testing || bootverbose) 3041 ata_raid_nvidia_print_meta(meta); 3042 3043 /* now convert nVidia meta into our generic form */ 3044 for (array = 0; array < MAX_ARRAYS; array++) { 3045 if (!raidp[array]) { 3046 raidp[array] = 3047 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3048 M_WAITOK | M_ZERO); 3049 } 3050 raid = raidp[array]; 3051 if (raid->format && (raid->format != AR_F_NVIDIA_RAID)) 3052 continue; 3053 3054 if (raid->format == AR_F_NVIDIA_RAID && 3055 ((raid->magic_0 != meta->magic_1) || 3056 (raid->magic_1 != meta->magic_2))) { 3057 continue; 3058 } 3059 3060 switch (meta->type) { 3061 case NV_T_SPAN: 3062 raid->type = AR_T_SPAN; 3063 break; 3064 3065 case NV_T_RAID0: 3066 raid->type = AR_T_RAID0; 3067 break; 3068 3069 case NV_T_RAID1: 3070 raid->type = AR_T_RAID1; 3071 break; 3072 3073 case NV_T_RAID5: 3074 raid->type = AR_T_RAID5; 3075 break; 3076 3077 case NV_T_RAID01: 3078 raid->type = AR_T_RAID01; 3079 break; 3080 3081 default: 3082 device_printf(parent, "nVidia unknown RAID type 0x%02x\n", 3083 meta->type); 3084 kfree(raidp[array], M_AR); 3085 raidp[array] = NULL; 3086 goto nvidia_out; 3087 } 3088 raid->magic_0 = meta->magic_1; 3089 raid->magic_1 = meta->magic_2; 3090 raid->format = AR_F_NVIDIA_RAID; 3091 raid->generation = 0; 3092 raid->interleave = meta->stripe_sectors; 3093 raid->width = meta->array_width; 3094 raid->total_disks = meta->total_disks; 3095 raid->total_sectors = meta->total_sectors; 3096 raid->heads = 255; 3097 raid->sectors = 63; 3098 raid->cylinders = raid->total_sectors / (63 * 255); 3099 raid->offset_sectors = 0; 3100 raid->rebuild_lba = meta->rebuild_lba; 3101 raid->lun = array; 3102 raid->status = AR_S_READY; 3103 if (meta->status & NV_S_DEGRADED) 3104 raid->status |= AR_S_DEGRADED; 3105 3106 raid->disks[meta->disk_number].dev = parent; 3107 raid->disks[meta->disk_number].sectors = 3108 raid->total_sectors / raid->width; 3109 raid->disks[meta->disk_number].flags = 3110 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 3111 ars->raid[raid->volume] = raid; 3112 ars->disk_number[raid->volume] = meta->disk_number; 3113 retval = 1; 3114 break; 3115 } 3116 3117 nvidia_out: 3118 kfree(meta, M_AR); 3119 return retval; 3120 } 3121 3122 /* Promise FastTrak Metadata */ 3123 static int 3124 ata_raid_promise_read_meta(device_t dev, struct ar_softc **raidp, int native) 3125 { 3126 struct ata_raid_subdisk *ars = device_get_softc(dev); 3127 device_t parent = device_get_parent(dev); 3128 struct promise_raid_conf *meta; 3129 struct ar_softc *raid; 3130 u_int32_t checksum, *ptr; 3131 int array, count, disk, disksum = 0, retval = 0; 3132 3133 meta = (struct promise_raid_conf *) 3134 kmalloc(sizeof(struct promise_raid_conf), M_AR, M_WAITOK | M_ZERO); 3135 3136 if (ata_raid_rw(parent, PROMISE_LBA(parent), 3137 meta, sizeof(struct promise_raid_conf), ATA_R_READ)) { 3138 if (testing || bootverbose) 3139 device_printf(parent, "%s read metadata failed\n", 3140 native ? "FreeBSD" : "Promise"); 3141 goto promise_out; 3142 } 3143 3144 /* check the signature */ 3145 if (native) { 3146 if (strncmp(meta->promise_id, ATA_MAGIC, strlen(ATA_MAGIC))) { 3147 if (testing || bootverbose) 3148 device_printf(parent, "FreeBSD check1 failed\n"); 3149 goto promise_out; 3150 } 3151 } 3152 else { 3153 if (strncmp(meta->promise_id, PR_MAGIC, strlen(PR_MAGIC))) { 3154 if (testing || bootverbose) 3155 device_printf(parent, "Promise check1 failed\n"); 3156 goto promise_out; 3157 } 3158 } 3159 3160 /* check if the checksum is OK */ 3161 for (checksum = 0, ptr = (u_int32_t *)meta, count = 0; count < 511; count++) 3162 checksum += *ptr++; 3163 if (checksum != *ptr) { 3164 if (testing || bootverbose) 3165 device_printf(parent, "%s check2 failed\n", 3166 native ? "FreeBSD" : "Promise"); 3167 goto promise_out; 3168 } 3169 3170 /* check on disk integrity status */ 3171 if (meta->raid.integrity != PR_I_VALID) { 3172 if (testing || bootverbose) 3173 device_printf(parent, "%s check3 failed\n", 3174 native ? "FreeBSD" : "Promise"); 3175 goto promise_out; 3176 } 3177 3178 if (testing || bootverbose) 3179 ata_raid_promise_print_meta(meta); 3180 3181 /* now convert Promise metadata into our generic form */ 3182 for (array = 0; array < MAX_ARRAYS; array++) { 3183 if (!raidp[array]) { 3184 raidp[array] = 3185 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3186 M_WAITOK | M_ZERO); 3187 } 3188 raid = raidp[array]; 3189 if (raid->format && 3190 (raid->format != (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID))) 3191 continue; 3192 3193 if ((raid->format == (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID))&& 3194 !(meta->raid.magic_1 == (raid->magic_1))) 3195 continue; 3196 3197 /* update our knowledge about the array config based on generation */ 3198 if (!meta->raid.generation || meta->raid.generation > raid->generation){ 3199 switch (meta->raid.type) { 3200 case PR_T_SPAN: 3201 raid->type = AR_T_SPAN; 3202 break; 3203 3204 case PR_T_JBOD: 3205 raid->type = AR_T_JBOD; 3206 break; 3207 3208 case PR_T_RAID0: 3209 raid->type = AR_T_RAID0; 3210 break; 3211 3212 case PR_T_RAID1: 3213 raid->type = AR_T_RAID1; 3214 if (meta->raid.array_width > 1) 3215 raid->type = AR_T_RAID01; 3216 break; 3217 3218 case PR_T_RAID5: 3219 raid->type = AR_T_RAID5; 3220 break; 3221 3222 default: 3223 device_printf(parent, "%s unknown RAID type 0x%02x\n", 3224 native ? "FreeBSD" : "Promise", meta->raid.type); 3225 kfree(raidp[array], M_AR); 3226 raidp[array] = NULL; 3227 goto promise_out; 3228 } 3229 raid->magic_1 = meta->raid.magic_1; 3230 raid->format = (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID); 3231 raid->generation = meta->raid.generation; 3232 raid->interleave = 1 << meta->raid.stripe_shift; 3233 raid->width = meta->raid.array_width; 3234 raid->total_disks = meta->raid.total_disks; 3235 raid->heads = meta->raid.heads + 1; 3236 raid->sectors = meta->raid.sectors; 3237 raid->cylinders = meta->raid.cylinders + 1; 3238 raid->total_sectors = meta->raid.total_sectors; 3239 raid->offset_sectors = 0; 3240 raid->rebuild_lba = meta->raid.rebuild_lba; 3241 raid->lun = array; 3242 if ((meta->raid.status & 3243 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY)) == 3244 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY)) { 3245 raid->status |= AR_S_READY; 3246 if (meta->raid.status & PR_S_DEGRADED) 3247 raid->status |= AR_S_DEGRADED; 3248 } 3249 else 3250 raid->status &= ~AR_S_READY; 3251 3252 /* convert disk flags to our internal types */ 3253 for (disk = 0; disk < meta->raid.total_disks; disk++) { 3254 raid->disks[disk].dev = NULL; 3255 raid->disks[disk].flags = 0; 3256 *((u_int64_t *)(raid->disks[disk].serial)) = 3257 meta->raid.disk[disk].magic_0; 3258 disksum += meta->raid.disk[disk].flags; 3259 if (meta->raid.disk[disk].flags & PR_F_ONLINE) 3260 raid->disks[disk].flags |= AR_DF_ONLINE; 3261 if (meta->raid.disk[disk].flags & PR_F_ASSIGNED) 3262 raid->disks[disk].flags |= AR_DF_ASSIGNED; 3263 if (meta->raid.disk[disk].flags & PR_F_SPARE) { 3264 raid->disks[disk].flags &= ~(AR_DF_ONLINE | AR_DF_ASSIGNED); 3265 raid->disks[disk].flags |= AR_DF_SPARE; 3266 } 3267 if (meta->raid.disk[disk].flags & (PR_F_REDIR | PR_F_DOWN)) 3268 raid->disks[disk].flags &= ~AR_DF_ONLINE; 3269 } 3270 if (!disksum) { 3271 device_printf(parent, "%s subdisks has no flags\n", 3272 native ? "FreeBSD" : "Promise"); 3273 kfree(raidp[array], M_AR); 3274 raidp[array] = NULL; 3275 goto promise_out; 3276 } 3277 } 3278 if (meta->raid.generation >= raid->generation) { 3279 int disk_number = meta->raid.disk_number; 3280 3281 if (raid->disks[disk_number].flags && (meta->magic_0 == 3282 *((u_int64_t *)(raid->disks[disk_number].serial)))) { 3283 raid->disks[disk_number].dev = parent; 3284 raid->disks[disk_number].flags |= AR_DF_PRESENT; 3285 raid->disks[disk_number].sectors = meta->raid.disk_sectors; 3286 if ((raid->disks[disk_number].flags & 3287 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE)) == 3288 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE)) { 3289 ars->raid[raid->volume] = raid; 3290 ars->disk_number[raid->volume] = disk_number; 3291 retval = 1; 3292 } 3293 } 3294 } 3295 break; 3296 } 3297 3298 promise_out: 3299 kfree(meta, M_AR); 3300 return retval; 3301 } 3302 3303 static int 3304 ata_raid_promise_write_meta(struct ar_softc *rdp) 3305 { 3306 struct promise_raid_conf *meta; 3307 struct timeval timestamp; 3308 u_int32_t *ckptr; 3309 int count, disk, drive, error = 0; 3310 3311 meta = (struct promise_raid_conf *) 3312 kmalloc(sizeof(struct promise_raid_conf), M_AR, M_WAITOK); 3313 3314 rdp->generation++; 3315 microtime(×tamp); 3316 3317 for (disk = 0; disk < rdp->total_disks; disk++) { 3318 for (count = 0; count < sizeof(struct promise_raid_conf); count++) 3319 *(((u_int8_t *)meta) + count) = 255 - (count % 256); 3320 meta->dummy_0 = 0x00020000; 3321 meta->raid.disk_number = disk; 3322 3323 if (rdp->disks[disk].dev) { 3324 struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev); 3325 struct ata_channel *ch = 3326 device_get_softc(device_get_parent(rdp->disks[disk].dev)); 3327 3328 meta->raid.channel = ch->unit; 3329 meta->raid.device = ATA_DEV(atadev->unit); 3330 meta->raid.disk_sectors = rdp->disks[disk].sectors; 3331 meta->raid.disk_offset = rdp->offset_sectors; 3332 } 3333 else { 3334 meta->raid.channel = 0; 3335 meta->raid.device = 0; 3336 meta->raid.disk_sectors = 0; 3337 meta->raid.disk_offset = 0; 3338 } 3339 meta->magic_0 = PR_MAGIC0(meta->raid) | timestamp.tv_sec; 3340 meta->magic_1 = timestamp.tv_sec >> 16; 3341 meta->magic_2 = timestamp.tv_sec; 3342 meta->raid.integrity = PR_I_VALID; 3343 meta->raid.magic_0 = meta->magic_0; 3344 meta->raid.rebuild_lba = rdp->rebuild_lba; 3345 meta->raid.generation = rdp->generation; 3346 3347 if (rdp->status & AR_S_READY) { 3348 meta->raid.flags = (PR_F_VALID | PR_F_ASSIGNED | PR_F_ONLINE); 3349 meta->raid.status = 3350 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY); 3351 if (rdp->status & AR_S_DEGRADED) 3352 meta->raid.status |= PR_S_DEGRADED; 3353 else 3354 meta->raid.status |= PR_S_FUNCTIONAL; 3355 } 3356 else { 3357 meta->raid.flags = PR_F_DOWN; 3358 meta->raid.status = 0; 3359 } 3360 3361 switch (rdp->type) { 3362 case AR_T_RAID0: 3363 meta->raid.type = PR_T_RAID0; 3364 break; 3365 case AR_T_RAID1: 3366 meta->raid.type = PR_T_RAID1; 3367 break; 3368 case AR_T_RAID01: 3369 meta->raid.type = PR_T_RAID1; 3370 break; 3371 case AR_T_RAID5: 3372 meta->raid.type = PR_T_RAID5; 3373 break; 3374 case AR_T_SPAN: 3375 meta->raid.type = PR_T_SPAN; 3376 break; 3377 case AR_T_JBOD: 3378 meta->raid.type = PR_T_JBOD; 3379 break; 3380 default: 3381 kfree(meta, M_AR); 3382 return ENODEV; 3383 } 3384 3385 meta->raid.total_disks = rdp->total_disks; 3386 meta->raid.stripe_shift = ffs(rdp->interleave) - 1; 3387 meta->raid.array_width = rdp->width; 3388 meta->raid.array_number = rdp->lun; 3389 meta->raid.total_sectors = rdp->total_sectors; 3390 meta->raid.cylinders = rdp->cylinders - 1; 3391 meta->raid.heads = rdp->heads - 1; 3392 meta->raid.sectors = rdp->sectors; 3393 meta->raid.magic_1 = (u_int64_t)meta->magic_2<<16 | meta->magic_1; 3394 3395 bzero(&meta->raid.disk, 8 * 12); 3396 for (drive = 0; drive < rdp->total_disks; drive++) { 3397 meta->raid.disk[drive].flags = 0; 3398 if (rdp->disks[drive].flags & AR_DF_PRESENT) 3399 meta->raid.disk[drive].flags |= PR_F_VALID; 3400 if (rdp->disks[drive].flags & AR_DF_ASSIGNED) 3401 meta->raid.disk[drive].flags |= PR_F_ASSIGNED; 3402 if (rdp->disks[drive].flags & AR_DF_ONLINE) 3403 meta->raid.disk[drive].flags |= PR_F_ONLINE; 3404 else 3405 if (rdp->disks[drive].flags & AR_DF_PRESENT) 3406 meta->raid.disk[drive].flags = (PR_F_REDIR | PR_F_DOWN); 3407 if (rdp->disks[drive].flags & AR_DF_SPARE) 3408 meta->raid.disk[drive].flags |= PR_F_SPARE; 3409 meta->raid.disk[drive].dummy_0 = 0x0; 3410 if (rdp->disks[drive].dev) { 3411 struct ata_channel *ch = 3412 device_get_softc(device_get_parent(rdp->disks[drive].dev)); 3413 struct ata_device *atadev = 3414 device_get_softc(rdp->disks[drive].dev); 3415 3416 meta->raid.disk[drive].channel = ch->unit; 3417 meta->raid.disk[drive].device = ATA_DEV(atadev->unit); 3418 } 3419 meta->raid.disk[drive].magic_0 = 3420 PR_MAGIC0(meta->raid.disk[drive]) | timestamp.tv_sec; 3421 } 3422 3423 if (rdp->disks[disk].dev) { 3424 if ((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) == 3425 (AR_DF_PRESENT | AR_DF_ONLINE)) { 3426 if (rdp->format == AR_F_FREEBSD_RAID) 3427 bcopy(ATA_MAGIC, meta->promise_id, sizeof(ATA_MAGIC)); 3428 else 3429 bcopy(PR_MAGIC, meta->promise_id, sizeof(PR_MAGIC)); 3430 } 3431 else 3432 bzero(meta->promise_id, sizeof(meta->promise_id)); 3433 meta->checksum = 0; 3434 for (ckptr = (int32_t *)meta, count = 0; count < 511; count++) 3435 meta->checksum += *ckptr++; 3436 if (testing || bootverbose) 3437 ata_raid_promise_print_meta(meta); 3438 if (ata_raid_rw(rdp->disks[disk].dev, 3439 PROMISE_LBA(rdp->disks[disk].dev), 3440 meta, sizeof(struct promise_raid_conf), 3441 ATA_R_WRITE | ATA_R_DIRECT)) { 3442 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 3443 error = EIO; 3444 } 3445 } 3446 } 3447 kfree(meta, M_AR); 3448 return error; 3449 } 3450 3451 /* Silicon Image Medley Metadata */ 3452 static int 3453 ata_raid_sii_read_meta(device_t dev, struct ar_softc **raidp) 3454 { 3455 struct ata_raid_subdisk *ars = device_get_softc(dev); 3456 device_t parent = device_get_parent(dev); 3457 struct sii_raid_conf *meta; 3458 struct ar_softc *raid = NULL; 3459 u_int16_t checksum, *ptr; 3460 int array, count, disk, retval = 0; 3461 3462 meta = (struct sii_raid_conf *)kmalloc(sizeof(struct sii_raid_conf), M_AR, 3463 M_WAITOK | M_ZERO); 3464 3465 if (ata_raid_rw(parent, SII_LBA(parent), 3466 meta, sizeof(struct sii_raid_conf), ATA_R_READ)) { 3467 if (testing || bootverbose) 3468 device_printf(parent, "Silicon Image read metadata failed\n"); 3469 goto sii_out; 3470 } 3471 3472 /* check if this is a Silicon Image (Medley) RAID struct */ 3473 for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 160; count++) 3474 checksum += *ptr++; 3475 if (checksum) { 3476 if (testing || bootverbose) 3477 device_printf(parent, "Silicon Image check1 failed\n"); 3478 goto sii_out; 3479 } 3480 3481 for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 256; count++) 3482 checksum += *ptr++; 3483 if (checksum != meta->checksum_1) { 3484 if (testing || bootverbose) 3485 device_printf(parent, "Silicon Image check2 failed\n"); 3486 goto sii_out; 3487 } 3488 3489 /* check verison */ 3490 if (meta->version_major != 0x0002 || 3491 (meta->version_minor != 0x0000 && meta->version_minor != 0x0001)) { 3492 if (testing || bootverbose) 3493 device_printf(parent, "Silicon Image check3 failed\n"); 3494 goto sii_out; 3495 } 3496 3497 if (testing || bootverbose) 3498 ata_raid_sii_print_meta(meta); 3499 3500 /* now convert Silicon Image meta into our generic form */ 3501 for (array = 0; array < MAX_ARRAYS; array++) { 3502 if (!raidp[array]) { 3503 raidp[array] = 3504 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3505 M_WAITOK | M_ZERO); 3506 } 3507 raid = raidp[array]; 3508 if (raid->format && (raid->format != AR_F_SII_RAID)) 3509 continue; 3510 3511 if (raid->format == AR_F_SII_RAID && 3512 (raid->magic_0 != *((u_int64_t *)meta->timestamp))) { 3513 continue; 3514 } 3515 3516 /* update our knowledge about the array config based on generation */ 3517 if (!meta->generation || meta->generation > raid->generation) { 3518 switch (meta->type) { 3519 case SII_T_RAID0: 3520 raid->type = AR_T_RAID0; 3521 break; 3522 3523 case SII_T_RAID1: 3524 raid->type = AR_T_RAID1; 3525 break; 3526 3527 case SII_T_RAID01: 3528 raid->type = AR_T_RAID01; 3529 break; 3530 3531 case SII_T_SPARE: 3532 device_printf(parent, "Silicon Image SPARE disk\n"); 3533 kfree(raidp[array], M_AR); 3534 raidp[array] = NULL; 3535 goto sii_out; 3536 3537 default: 3538 device_printf(parent,"Silicon Image unknown RAID type 0x%02x\n", 3539 meta->type); 3540 kfree(raidp[array], M_AR); 3541 raidp[array] = NULL; 3542 goto sii_out; 3543 } 3544 raid->magic_0 = *((u_int64_t *)meta->timestamp); 3545 raid->format = AR_F_SII_RAID; 3546 raid->generation = meta->generation; 3547 raid->interleave = meta->stripe_sectors; 3548 raid->width = (meta->raid0_disks != 0xff) ? meta->raid0_disks : 1; 3549 raid->total_disks = 3550 ((meta->raid0_disks != 0xff) ? meta->raid0_disks : 0) + 3551 ((meta->raid1_disks != 0xff) ? meta->raid1_disks : 0); 3552 raid->total_sectors = meta->total_sectors; 3553 raid->heads = 255; 3554 raid->sectors = 63; 3555 raid->cylinders = raid->total_sectors / (63 * 255); 3556 raid->offset_sectors = 0; 3557 raid->rebuild_lba = meta->rebuild_lba; 3558 raid->lun = array; 3559 strncpy(raid->name, meta->name, 3560 min(sizeof(raid->name), sizeof(meta->name))); 3561 3562 /* clear out any old info */ 3563 if (raid->generation) { 3564 for (disk = 0; disk < raid->total_disks; disk++) { 3565 raid->disks[disk].dev = NULL; 3566 raid->disks[disk].flags = 0; 3567 } 3568 } 3569 } 3570 if (meta->generation >= raid->generation) { 3571 /* XXX SOS add check for the right physical disk by serial# */ 3572 if (meta->status & SII_S_READY) { 3573 int disk_number = (raid->type == AR_T_RAID01) ? 3574 meta->raid1_ident + (meta->raid0_ident << 1) : 3575 meta->disk_number; 3576 3577 raid->disks[disk_number].dev = parent; 3578 raid->disks[disk_number].sectors = 3579 raid->total_sectors / raid->width; 3580 raid->disks[disk_number].flags = 3581 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 3582 ars->raid[raid->volume] = raid; 3583 ars->disk_number[raid->volume] = disk_number; 3584 retval = 1; 3585 } 3586 } 3587 break; 3588 } 3589 3590 sii_out: 3591 kfree(meta, M_AR); 3592 return retval; 3593 } 3594 3595 /* Silicon Integrated Systems Metadata */ 3596 static int 3597 ata_raid_sis_read_meta(device_t dev, struct ar_softc **raidp) 3598 { 3599 struct ata_raid_subdisk *ars = device_get_softc(dev); 3600 device_t parent = device_get_parent(dev); 3601 struct sis_raid_conf *meta; 3602 struct ar_softc *raid = NULL; 3603 int array, disk_number, drive, retval = 0; 3604 3605 meta = (struct sis_raid_conf *)kmalloc(sizeof(struct sis_raid_conf), M_AR, 3606 M_WAITOK | M_ZERO); 3607 3608 if (ata_raid_rw(parent, SIS_LBA(parent), 3609 meta, sizeof(struct sis_raid_conf), ATA_R_READ)) { 3610 if (testing || bootverbose) 3611 device_printf(parent, 3612 "Silicon Integrated Systems read metadata failed\n"); 3613 } 3614 3615 /* check for SiS magic */ 3616 if (meta->magic != SIS_MAGIC) { 3617 if (testing || bootverbose) 3618 device_printf(parent, 3619 "Silicon Integrated Systems check1 failed\n"); 3620 goto sis_out; 3621 } 3622 3623 if (testing || bootverbose) 3624 ata_raid_sis_print_meta(meta); 3625 3626 /* now convert SiS meta into our generic form */ 3627 for (array = 0; array < MAX_ARRAYS; array++) { 3628 if (!raidp[array]) { 3629 raidp[array] = 3630 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3631 M_WAITOK | M_ZERO); 3632 } 3633 3634 raid = raidp[array]; 3635 if (raid->format && (raid->format != AR_F_SIS_RAID)) 3636 continue; 3637 3638 if ((raid->format == AR_F_SIS_RAID) && 3639 ((raid->magic_0 != meta->controller_pci_id) || 3640 (raid->magic_1 != meta->timestamp))) { 3641 continue; 3642 } 3643 3644 switch (meta->type_total_disks & SIS_T_MASK) { 3645 case SIS_T_JBOD: 3646 raid->type = AR_T_JBOD; 3647 raid->width = (meta->type_total_disks & SIS_D_MASK); 3648 raid->total_sectors += SIS_LBA(parent); 3649 break; 3650 3651 case SIS_T_RAID0: 3652 raid->type = AR_T_RAID0; 3653 raid->width = (meta->type_total_disks & SIS_D_MASK); 3654 if (!raid->total_sectors || 3655 (raid->total_sectors > (raid->width * SIS_LBA(parent)))) 3656 raid->total_sectors = raid->width * SIS_LBA(parent); 3657 break; 3658 3659 case SIS_T_RAID1: 3660 raid->type = AR_T_RAID1; 3661 raid->width = 1; 3662 if (!raid->total_sectors || (raid->total_sectors > SIS_LBA(parent))) 3663 raid->total_sectors = SIS_LBA(parent); 3664 break; 3665 3666 default: 3667 device_printf(parent, "Silicon Integrated Systems " 3668 "unknown RAID type 0x%08x\n", meta->magic); 3669 kfree(raidp[array], M_AR); 3670 raidp[array] = NULL; 3671 goto sis_out; 3672 } 3673 raid->magic_0 = meta->controller_pci_id; 3674 raid->magic_1 = meta->timestamp; 3675 raid->format = AR_F_SIS_RAID; 3676 raid->generation = 0; 3677 raid->interleave = meta->stripe_sectors; 3678 raid->total_disks = (meta->type_total_disks & SIS_D_MASK); 3679 raid->heads = 255; 3680 raid->sectors = 63; 3681 raid->cylinders = raid->total_sectors / (63 * 255); 3682 raid->offset_sectors = 0; 3683 raid->rebuild_lba = 0; 3684 raid->lun = array; 3685 /* XXX SOS if total_disks > 2 this doesn't float */ 3686 if (((meta->disks & SIS_D_MASTER) >> 4) == meta->disk_number) 3687 disk_number = 0; 3688 else 3689 disk_number = 1; 3690 3691 for (drive = 0; drive < raid->total_disks; drive++) { 3692 raid->disks[drive].sectors = raid->total_sectors/raid->width; 3693 if (drive == disk_number) { 3694 raid->disks[disk_number].dev = parent; 3695 raid->disks[disk_number].flags = 3696 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 3697 ars->raid[raid->volume] = raid; 3698 ars->disk_number[raid->volume] = disk_number; 3699 } 3700 } 3701 retval = 1; 3702 break; 3703 } 3704 3705 sis_out: 3706 kfree(meta, M_AR); 3707 return retval; 3708 } 3709 3710 static int 3711 ata_raid_sis_write_meta(struct ar_softc *rdp) 3712 { 3713 struct sis_raid_conf *meta; 3714 struct timeval timestamp; 3715 int disk, error = 0; 3716 3717 meta = (struct sis_raid_conf *)kmalloc(sizeof(struct sis_raid_conf), M_AR, 3718 M_WAITOK | M_ZERO); 3719 3720 rdp->generation++; 3721 microtime(×tamp); 3722 3723 meta->magic = SIS_MAGIC; 3724 /* XXX SOS if total_disks > 2 this doesn't float */ 3725 for (disk = 0; disk < rdp->total_disks; disk++) { 3726 if (rdp->disks[disk].dev) { 3727 struct ata_channel *ch = 3728 device_get_softc(device_get_parent(rdp->disks[disk].dev)); 3729 struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev); 3730 int disk_number = 1 + ATA_DEV(atadev->unit) + (ch->unit << 1); 3731 3732 meta->disks |= disk_number << ((1 - disk) << 2); 3733 } 3734 } 3735 switch (rdp->type) { 3736 case AR_T_JBOD: 3737 meta->type_total_disks = SIS_T_JBOD; 3738 break; 3739 3740 case AR_T_RAID0: 3741 meta->type_total_disks = SIS_T_RAID0; 3742 break; 3743 3744 case AR_T_RAID1: 3745 meta->type_total_disks = SIS_T_RAID1; 3746 break; 3747 3748 default: 3749 kfree(meta, M_AR); 3750 return ENODEV; 3751 } 3752 meta->type_total_disks |= (rdp->total_disks & SIS_D_MASK); 3753 meta->stripe_sectors = rdp->interleave; 3754 meta->timestamp = timestamp.tv_sec; 3755 3756 for (disk = 0; disk < rdp->total_disks; disk++) { 3757 if (rdp->disks[disk].dev) { 3758 struct ata_channel *ch = 3759 device_get_softc(device_get_parent(rdp->disks[disk].dev)); 3760 struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev); 3761 3762 meta->controller_pci_id = 3763 (pci_get_vendor(GRANDPARENT(rdp->disks[disk].dev)) << 16) | 3764 pci_get_device(GRANDPARENT(rdp->disks[disk].dev)); 3765 bcopy(atadev->param.model, meta->model, sizeof(meta->model)); 3766 3767 /* XXX SOS if total_disks > 2 this may not float */ 3768 meta->disk_number = 1 + ATA_DEV(atadev->unit) + (ch->unit << 1); 3769 3770 if (testing || bootverbose) 3771 ata_raid_sis_print_meta(meta); 3772 3773 if (ata_raid_rw(rdp->disks[disk].dev, 3774 SIS_LBA(rdp->disks[disk].dev), 3775 meta, sizeof(struct sis_raid_conf), 3776 ATA_R_WRITE | ATA_R_DIRECT)) { 3777 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 3778 error = EIO; 3779 } 3780 } 3781 } 3782 kfree(meta, M_AR); 3783 return error; 3784 } 3785 3786 /* VIA Tech V-RAID Metadata */ 3787 static int 3788 ata_raid_via_read_meta(device_t dev, struct ar_softc **raidp) 3789 { 3790 struct ata_raid_subdisk *ars = device_get_softc(dev); 3791 device_t parent = device_get_parent(dev); 3792 struct via_raid_conf *meta; 3793 struct ar_softc *raid = NULL; 3794 u_int8_t checksum, *ptr; 3795 int array, count, disk, retval = 0; 3796 3797 meta = (struct via_raid_conf *)kmalloc(sizeof(struct via_raid_conf), M_AR, 3798 M_WAITOK | M_ZERO); 3799 3800 if (ata_raid_rw(parent, VIA_LBA(parent), 3801 meta, sizeof(struct via_raid_conf), ATA_R_READ)) { 3802 if (testing || bootverbose) 3803 device_printf(parent, "VIA read metadata failed\n"); 3804 goto via_out; 3805 } 3806 3807 /* check if this is a VIA RAID struct */ 3808 if (meta->magic != VIA_MAGIC) { 3809 if (testing || bootverbose) 3810 device_printf(parent, "VIA check1 failed\n"); 3811 goto via_out; 3812 } 3813 3814 /* calculate checksum and compare for valid */ 3815 for (checksum = 0, ptr = (u_int8_t *)meta, count = 0; count < 50; count++) 3816 checksum += *ptr++; 3817 if (checksum != meta->checksum) { 3818 if (testing || bootverbose) 3819 device_printf(parent, "VIA check2 failed\n"); 3820 goto via_out; 3821 } 3822 3823 if (testing || bootverbose) 3824 ata_raid_via_print_meta(meta); 3825 3826 /* now convert VIA meta into our generic form */ 3827 for (array = 0; array < MAX_ARRAYS; array++) { 3828 if (!raidp[array]) { 3829 raidp[array] = 3830 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3831 M_WAITOK | M_ZERO); 3832 } 3833 raid = raidp[array]; 3834 if (raid->format && (raid->format != AR_F_VIA_RAID)) 3835 continue; 3836 3837 if (raid->format == AR_F_VIA_RAID && (raid->magic_0 != meta->disks[0])) 3838 continue; 3839 3840 switch (meta->type & VIA_T_MASK) { 3841 case VIA_T_RAID0: 3842 raid->type = AR_T_RAID0; 3843 raid->width = meta->stripe_layout & VIA_L_DISKS; 3844 if (!raid->total_sectors || 3845 (raid->total_sectors > (raid->width * meta->disk_sectors))) 3846 raid->total_sectors = raid->width * meta->disk_sectors; 3847 break; 3848 3849 case VIA_T_RAID1: 3850 raid->type = AR_T_RAID1; 3851 raid->width = 1; 3852 raid->total_sectors = meta->disk_sectors; 3853 break; 3854 3855 case VIA_T_RAID01: 3856 raid->type = AR_T_RAID01; 3857 raid->width = meta->stripe_layout & VIA_L_DISKS; 3858 if (!raid->total_sectors || 3859 (raid->total_sectors > (raid->width * meta->disk_sectors))) 3860 raid->total_sectors = raid->width * meta->disk_sectors; 3861 break; 3862 3863 case VIA_T_RAID5: 3864 raid->type = AR_T_RAID5; 3865 raid->width = meta->stripe_layout & VIA_L_DISKS; 3866 if (!raid->total_sectors || 3867 (raid->total_sectors > ((raid->width - 1)*meta->disk_sectors))) 3868 raid->total_sectors = (raid->width - 1) * meta->disk_sectors; 3869 break; 3870 3871 case VIA_T_SPAN: 3872 raid->type = AR_T_SPAN; 3873 raid->width = 1; 3874 raid->total_sectors += meta->disk_sectors; 3875 break; 3876 3877 default: 3878 device_printf(parent,"VIA unknown RAID type 0x%02x\n", meta->type); 3879 kfree(raidp[array], M_AR); 3880 raidp[array] = NULL; 3881 goto via_out; 3882 } 3883 raid->magic_0 = meta->disks[0]; 3884 raid->format = AR_F_VIA_RAID; 3885 raid->generation = 0; 3886 raid->interleave = 3887 0x08 << ((meta->stripe_layout & VIA_L_MASK) >> VIA_L_SHIFT); 3888 for (count = 0, disk = 0; disk < 8; disk++) 3889 if (meta->disks[disk]) 3890 count++; 3891 raid->total_disks = count; 3892 raid->heads = 255; 3893 raid->sectors = 63; 3894 raid->cylinders = raid->total_sectors / (63 * 255); 3895 raid->offset_sectors = 0; 3896 raid->rebuild_lba = 0; 3897 raid->lun = array; 3898 3899 for (disk = 0; disk < raid->total_disks; disk++) { 3900 if (meta->disks[disk] == meta->disk_id) { 3901 raid->disks[disk].dev = parent; 3902 bcopy(&meta->disk_id, raid->disks[disk].serial, 3903 sizeof(u_int32_t)); 3904 raid->disks[disk].sectors = meta->disk_sectors; 3905 raid->disks[disk].flags = 3906 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 3907 ars->raid[raid->volume] = raid; 3908 ars->disk_number[raid->volume] = disk; 3909 retval = 1; 3910 break; 3911 } 3912 } 3913 break; 3914 } 3915 3916 via_out: 3917 kfree(meta, M_AR); 3918 return retval; 3919 } 3920 3921 static int 3922 ata_raid_via_write_meta(struct ar_softc *rdp) 3923 { 3924 struct via_raid_conf *meta; 3925 int disk, error = 0; 3926 3927 meta = (struct via_raid_conf *)kmalloc(sizeof(struct via_raid_conf), M_AR, 3928 M_WAITOK | M_ZERO); 3929 3930 rdp->generation++; 3931 3932 meta->magic = VIA_MAGIC; 3933 meta->dummy_0 = 0x02; 3934 switch (rdp->type) { 3935 case AR_T_SPAN: 3936 meta->type = VIA_T_SPAN; 3937 meta->stripe_layout = (rdp->total_disks & VIA_L_DISKS); 3938 break; 3939 3940 case AR_T_RAID0: 3941 meta->type = VIA_T_RAID0; 3942 meta->stripe_layout = ((rdp->interleave >> 1) & VIA_L_MASK); 3943 meta->stripe_layout |= (rdp->total_disks & VIA_L_DISKS); 3944 break; 3945 3946 case AR_T_RAID1: 3947 meta->type = VIA_T_RAID1; 3948 meta->stripe_layout = (rdp->total_disks & VIA_L_DISKS); 3949 break; 3950 3951 case AR_T_RAID5: 3952 meta->type = VIA_T_RAID5; 3953 meta->stripe_layout = ((rdp->interleave >> 1) & VIA_L_MASK); 3954 meta->stripe_layout |= (rdp->total_disks & VIA_L_DISKS); 3955 break; 3956 3957 case AR_T_RAID01: 3958 meta->type = VIA_T_RAID01; 3959 meta->stripe_layout = ((rdp->interleave >> 1) & VIA_L_MASK); 3960 meta->stripe_layout |= (rdp->width & VIA_L_DISKS); 3961 break; 3962 3963 default: 3964 kfree(meta, M_AR); 3965 return ENODEV; 3966 } 3967 meta->type |= VIA_T_BOOTABLE; /* XXX SOS */ 3968 meta->disk_sectors = 3969 rdp->total_sectors / (rdp->width - (rdp->type == AR_RAID5)); 3970 for (disk = 0; disk < rdp->total_disks; disk++) 3971 meta->disks[disk] = (u_int32_t)(uintptr_t)rdp->disks[disk].dev; 3972 3973 for (disk = 0; disk < rdp->total_disks; disk++) { 3974 if (rdp->disks[disk].dev) { 3975 u_int8_t *ptr; 3976 int count; 3977 3978 meta->disk_index = disk * sizeof(u_int32_t); 3979 if (rdp->type == AR_T_RAID01) 3980 meta->disk_index = ((meta->disk_index & 0x08) << 2) | 3981 (meta->disk_index & ~0x08); 3982 meta->disk_id = meta->disks[disk]; 3983 meta->checksum = 0; 3984 for (ptr = (u_int8_t *)meta, count = 0; count < 50; count++) 3985 meta->checksum += *ptr++; 3986 3987 if (testing || bootverbose) 3988 ata_raid_via_print_meta(meta); 3989 3990 if (ata_raid_rw(rdp->disks[disk].dev, 3991 VIA_LBA(rdp->disks[disk].dev), 3992 meta, sizeof(struct via_raid_conf), 3993 ATA_R_WRITE | ATA_R_DIRECT)) { 3994 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 3995 error = EIO; 3996 } 3997 } 3998 } 3999 kfree(meta, M_AR); 4000 return error; 4001 } 4002 4003 static struct ata_request * 4004 ata_raid_init_request(struct ar_softc *rdp, struct bio *bio) 4005 { 4006 struct ata_request *request; 4007 4008 if (!(request = ata_alloc_request())) { 4009 kprintf("FAILURE - out of memory in ata_raid_init_request\n"); 4010 return NULL; 4011 } 4012 request->timeout = ATA_DEFAULT_TIMEOUT; 4013 request->retries = 2; 4014 request->callback = ata_raid_done; 4015 request->driver = rdp; 4016 request->bio = bio; 4017 switch (request->bio->bio_buf->b_cmd) { 4018 case BUF_CMD_READ: 4019 request->flags = ATA_R_READ; 4020 break; 4021 case BUF_CMD_WRITE: 4022 request->flags = ATA_R_WRITE; 4023 break; 4024 case BUF_CMD_FLUSH: 4025 request->flags = ATA_R_CONTROL; 4026 break; 4027 default: 4028 kprintf("ar%d: FAILURE - unknown BUF operation\n", rdp->lun); 4029 ata_free_request(request); 4030 #if 0 4031 bio->bio_buf->b_flags |= B_ERROR; 4032 bio->bio_buf->b_error = EIO; 4033 biodone(bio); 4034 #endif /* 0 */ 4035 return(NULL); 4036 } 4037 return request; 4038 } 4039 4040 static int 4041 ata_raid_send_request(struct ata_request *request) 4042 { 4043 struct ata_device *atadev = device_get_softc(request->dev); 4044 4045 request->transfersize = min(request->bytecount, atadev->max_iosize); 4046 if (request->flags & ATA_R_READ) { 4047 if (atadev->mode >= ATA_DMA) { 4048 request->flags |= ATA_R_DMA; 4049 request->u.ata.command = ATA_READ_DMA; 4050 } 4051 else if (atadev->max_iosize > DEV_BSIZE) 4052 request->u.ata.command = ATA_READ_MUL; 4053 else 4054 request->u.ata.command = ATA_READ; 4055 } 4056 else if (request->flags & ATA_R_WRITE) { 4057 if (atadev->mode >= ATA_DMA) { 4058 request->flags |= ATA_R_DMA; 4059 request->u.ata.command = ATA_WRITE_DMA; 4060 } 4061 else if (atadev->max_iosize > DEV_BSIZE) 4062 request->u.ata.command = ATA_WRITE_MUL; 4063 else 4064 request->u.ata.command = ATA_WRITE; 4065 } 4066 else { 4067 device_printf(request->dev, "FAILURE - unknown IO operation\n"); 4068 ata_free_request(request); 4069 return EIO; 4070 } 4071 request->flags |= (ATA_R_ORDERED | ATA_R_THREAD); 4072 ata_queue_request(request); 4073 return 0; 4074 } 4075 4076 static int 4077 ata_raid_rw(device_t dev, u_int64_t lba, void *data, u_int bcount, int flags) 4078 { 4079 struct ata_device *atadev = device_get_softc(dev); 4080 struct ata_request *request; 4081 int error; 4082 4083 if (bcount % DEV_BSIZE) { 4084 device_printf(dev, "FAILURE - transfers must be modulo sectorsize\n"); 4085 return ENOMEM; 4086 } 4087 4088 if (!(request = ata_alloc_request())) { 4089 device_printf(dev, "FAILURE - out of memory in ata_raid_rw\n"); 4090 return ENOMEM; 4091 } 4092 4093 /* setup request */ 4094 request->dev = dev; 4095 request->timeout = 10; 4096 request->retries = 0; 4097 request->data = data; 4098 request->bytecount = bcount; 4099 request->transfersize = DEV_BSIZE; 4100 request->u.ata.lba = lba; 4101 request->u.ata.count = request->bytecount / DEV_BSIZE; 4102 request->flags = flags; 4103 4104 if (flags & ATA_R_READ) { 4105 if (atadev->mode >= ATA_DMA) { 4106 request->u.ata.command = ATA_READ_DMA; 4107 request->flags |= ATA_R_DMA; 4108 } 4109 else 4110 request->u.ata.command = ATA_READ; 4111 ata_queue_request(request); 4112 } 4113 else if (flags & ATA_R_WRITE) { 4114 if (atadev->mode >= ATA_DMA) { 4115 request->u.ata.command = ATA_WRITE_DMA; 4116 request->flags |= ATA_R_DMA; 4117 } 4118 else 4119 request->u.ata.command = ATA_WRITE; 4120 ata_queue_request(request); 4121 } 4122 else { 4123 device_printf(dev, "FAILURE - unknown IO operation\n"); 4124 request->result = EIO; 4125 } 4126 error = request->result; 4127 ata_free_request(request); 4128 return error; 4129 } 4130 4131 /* 4132 * module handeling 4133 */ 4134 static int 4135 ata_raid_subdisk_probe(device_t dev) 4136 { 4137 device_quiet(dev); 4138 return 0; 4139 } 4140 4141 static int 4142 ata_raid_subdisk_attach(device_t dev) 4143 { 4144 struct ata_raid_subdisk *ars = device_get_softc(dev); 4145 int volume; 4146 4147 for (volume = 0; volume < MAX_VOLUMES; volume++) { 4148 ars->raid[volume] = NULL; 4149 ars->disk_number[volume] = -1; 4150 } 4151 ata_raid_read_metadata(dev); 4152 return 0; 4153 } 4154 4155 static int 4156 ata_raid_subdisk_detach(device_t dev) 4157 { 4158 struct ata_raid_subdisk *ars = device_get_softc(dev); 4159 int volume; 4160 4161 for (volume = 0; volume < MAX_VOLUMES; volume++) { 4162 if (ars->raid[volume]) { 4163 ars->raid[volume]->disks[ars->disk_number[volume]].flags &= 4164 ~(AR_DF_PRESENT | AR_DF_ONLINE); 4165 ars->raid[volume]->disks[ars->disk_number[volume]].dev = NULL; 4166 ata_raid_config_changed(ars->raid[volume], 1); 4167 ars->raid[volume] = NULL; 4168 ars->disk_number[volume] = -1; 4169 } 4170 } 4171 return 0; 4172 } 4173 4174 static device_method_t ata_raid_sub_methods[] = { 4175 /* device interface */ 4176 DEVMETHOD(device_probe, ata_raid_subdisk_probe), 4177 DEVMETHOD(device_attach, ata_raid_subdisk_attach), 4178 DEVMETHOD(device_detach, ata_raid_subdisk_detach), 4179 { 0, 0 } 4180 }; 4181 4182 static driver_t ata_raid_sub_driver = { 4183 "subdisk", 4184 ata_raid_sub_methods, 4185 sizeof(struct ata_raid_subdisk) 4186 }; 4187 4188 DRIVER_MODULE(subdisk, ad, ata_raid_sub_driver, ata_raid_sub_devclass, NULL, NULL); 4189 4190 static int 4191 ata_raid_module_event_handler(module_t mod, int what, void *arg) 4192 { 4193 int i; 4194 4195 switch (what) { 4196 case MOD_LOAD: 4197 if (testing || bootverbose) 4198 kprintf("ATA PseudoRAID loaded\n"); 4199 #if 0 4200 /* setup table to hold metadata for all ATA PseudoRAID arrays */ 4201 ata_raid_arrays = kmalloc(sizeof(struct ar_soft *) * MAX_ARRAYS, 4202 M_AR, M_WAITOK | M_ZERO); 4203 #endif 4204 /* attach found PseudoRAID arrays */ 4205 for (i = 0; i < MAX_ARRAYS; i++) { 4206 struct ar_softc *rdp = ata_raid_arrays[i]; 4207 4208 if (!rdp || !rdp->format) 4209 continue; 4210 if (testing || bootverbose) 4211 ata_raid_print_meta(rdp); 4212 ata_raid_attach(rdp, 0); 4213 } 4214 ata_raid_ioctl_func = ata_raid_ioctl; 4215 return 0; 4216 4217 case MOD_UNLOAD: 4218 /* detach found PseudoRAID arrays */ 4219 for (i = 0; i < MAX_ARRAYS; i++) { 4220 struct ar_softc *rdp = ata_raid_arrays[i]; 4221 4222 if (!rdp || !rdp->status) 4223 continue; 4224 disk_destroy(&rdp->disk); 4225 devstat_remove_entry(&rdp->devstat); 4226 } 4227 if (testing || bootverbose) 4228 kprintf("ATA PseudoRAID unloaded\n"); 4229 #if 0 4230 kfree(ata_raid_arrays, M_AR); 4231 #endif 4232 ata_raid_ioctl_func = NULL; 4233 return 0; 4234 4235 default: 4236 return EOPNOTSUPP; 4237 } 4238 } 4239 4240 static moduledata_t ata_raid_moduledata = 4241 { "ataraid", ata_raid_module_event_handler, NULL }; 4242 DECLARE_MODULE(ata, ata_raid_moduledata, SI_SUB_RAID, SI_ORDER_FIRST); 4243 MODULE_VERSION(ataraid, 1); 4244 MODULE_DEPEND(ataraid, ata, 1, 1, 1); 4245 MODULE_DEPEND(ataraid, ad, 1, 1, 1); 4246 4247 static char * 4248 ata_raid_format(struct ar_softc *rdp) 4249 { 4250 switch (rdp->format) { 4251 case AR_F_FREEBSD_RAID: return "FreeBSD PseudoRAID"; 4252 case AR_F_ADAPTEC_RAID: return "Adaptec HostRAID"; 4253 case AR_F_HPTV2_RAID: return "HighPoint v2 RocketRAID"; 4254 case AR_F_HPTV3_RAID: return "HighPoint v3 RocketRAID"; 4255 case AR_F_INTEL_RAID: return "Intel MatrixRAID"; 4256 case AR_F_ITE_RAID: return "Integrated Technology Express"; 4257 case AR_F_JMICRON_RAID: return "JMicron Technology Corp"; 4258 case AR_F_LSIV2_RAID: return "LSILogic v2 MegaRAID"; 4259 case AR_F_LSIV3_RAID: return "LSILogic v3 MegaRAID"; 4260 case AR_F_NVIDIA_RAID: return "nVidia MediaShield"; 4261 case AR_F_PROMISE_RAID: return "Promise Fasttrak"; 4262 case AR_F_SII_RAID: return "Silicon Image Medley"; 4263 case AR_F_SIS_RAID: return "Silicon Integrated Systems"; 4264 case AR_F_VIA_RAID: return "VIA Tech V-RAID"; 4265 default: return "UNKNOWN"; 4266 } 4267 } 4268 4269 static char * 4270 ata_raid_type(struct ar_softc *rdp) 4271 { 4272 switch (rdp->type) { 4273 case AR_T_JBOD: return "JBOD"; 4274 case AR_T_SPAN: return "SPAN"; 4275 case AR_T_RAID0: return "RAID0"; 4276 case AR_T_RAID1: return "RAID1"; 4277 case AR_T_RAID3: return "RAID3"; 4278 case AR_T_RAID4: return "RAID4"; 4279 case AR_T_RAID5: return "RAID5"; 4280 case AR_T_RAID01: return "RAID0+1"; 4281 default: return "UNKNOWN"; 4282 } 4283 } 4284 4285 static char * 4286 ata_raid_flags(struct ar_softc *rdp) 4287 { 4288 switch (rdp->status & (AR_S_READY | AR_S_DEGRADED | AR_S_REBUILDING)) { 4289 case AR_S_READY: return "READY"; 4290 case AR_S_READY | AR_S_DEGRADED: return "DEGRADED"; 4291 case AR_S_READY | AR_S_REBUILDING: 4292 case AR_S_READY | AR_S_DEGRADED | AR_S_REBUILDING: return "REBUILDING"; 4293 default: return "BROKEN"; 4294 } 4295 } 4296 4297 /* debugging gunk */ 4298 static void 4299 ata_raid_print_meta(struct ar_softc *raid) 4300 { 4301 int i; 4302 4303 kprintf("********** ATA PseudoRAID ar%d Metadata **********\n", raid->lun); 4304 kprintf("=================================================\n"); 4305 kprintf("format %s\n", ata_raid_format(raid)); 4306 kprintf("type %s\n", ata_raid_type(raid)); 4307 kprintf("flags 0x%02x %b\n", raid->status, raid->status, 4308 "\20\3REBUILDING\2DEGRADED\1READY\n"); 4309 kprintf("magic_0 0x%016jx\n", raid->magic_0); 4310 kprintf("magic_1 0x%016jx\n",raid->magic_1); 4311 kprintf("generation %u\n", raid->generation); 4312 kprintf("total_sectors %ju\n", raid->total_sectors); 4313 kprintf("offset_sectors %ju\n", raid->offset_sectors); 4314 kprintf("heads %u\n", raid->heads); 4315 kprintf("sectors %u\n", raid->sectors); 4316 kprintf("cylinders %u\n", raid->cylinders); 4317 kprintf("width %u\n", raid->width); 4318 kprintf("interleave %u\n", raid->interleave); 4319 kprintf("total_disks %u\n", raid->total_disks); 4320 for (i = 0; i < raid->total_disks; i++) { 4321 kprintf(" disk %d: flags = 0x%02x %b\n", i, raid->disks[i].flags, 4322 raid->disks[i].flags, "\20\4ONLINE\3SPARE\2ASSIGNED\1PRESENT\n"); 4323 if (raid->disks[i].dev) { 4324 kprintf(" "); 4325 device_printf(raid->disks[i].dev, " sectors %jd\n", 4326 raid->disks[i].sectors); 4327 } 4328 } 4329 kprintf("=================================================\n"); 4330 } 4331 4332 static char * 4333 ata_raid_adaptec_type(int type) 4334 { 4335 static char buffer[16]; 4336 4337 switch (type) { 4338 case ADP_T_RAID0: return "RAID0"; 4339 case ADP_T_RAID1: return "RAID1"; 4340 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4341 return buffer; 4342 } 4343 } 4344 4345 static void 4346 ata_raid_adaptec_print_meta(struct adaptec_raid_conf *meta) 4347 { 4348 int i; 4349 4350 kprintf("********* ATA Adaptec HostRAID Metadata *********\n"); 4351 kprintf("magic_0 <0x%08x>\n", be32toh(meta->magic_0)); 4352 kprintf("generation 0x%08x\n", be32toh(meta->generation)); 4353 kprintf("dummy_0 0x%04x\n", be16toh(meta->dummy_0)); 4354 kprintf("total_configs %u\n", be16toh(meta->total_configs)); 4355 kprintf("dummy_1 0x%04x\n", be16toh(meta->dummy_1)); 4356 kprintf("checksum 0x%04x\n", be16toh(meta->checksum)); 4357 kprintf("dummy_2 0x%08x\n", be32toh(meta->dummy_2)); 4358 kprintf("dummy_3 0x%08x\n", be32toh(meta->dummy_3)); 4359 kprintf("flags 0x%08x\n", be32toh(meta->flags)); 4360 kprintf("timestamp 0x%08x\n", be32toh(meta->timestamp)); 4361 kprintf("dummy_4 0x%08x 0x%08x 0x%08x 0x%08x\n", 4362 be32toh(meta->dummy_4[0]), be32toh(meta->dummy_4[1]), 4363 be32toh(meta->dummy_4[2]), be32toh(meta->dummy_4[3])); 4364 kprintf("dummy_5 0x%08x 0x%08x 0x%08x 0x%08x\n", 4365 be32toh(meta->dummy_5[0]), be32toh(meta->dummy_5[1]), 4366 be32toh(meta->dummy_5[2]), be32toh(meta->dummy_5[3])); 4367 4368 for (i = 0; i < be16toh(meta->total_configs); i++) { 4369 kprintf(" %d total_disks %u\n", i, 4370 be16toh(meta->configs[i].disk_number)); 4371 kprintf(" %d generation %u\n", i, 4372 be16toh(meta->configs[i].generation)); 4373 kprintf(" %d magic_0 0x%08x\n", i, 4374 be32toh(meta->configs[i].magic_0)); 4375 kprintf(" %d dummy_0 0x%02x\n", i, meta->configs[i].dummy_0); 4376 kprintf(" %d type %s\n", i, 4377 ata_raid_adaptec_type(meta->configs[i].type)); 4378 kprintf(" %d dummy_1 0x%02x\n", i, meta->configs[i].dummy_1); 4379 kprintf(" %d flags %d\n", i, 4380 be32toh(meta->configs[i].flags)); 4381 kprintf(" %d dummy_2 0x%02x\n", i, meta->configs[i].dummy_2); 4382 kprintf(" %d dummy_3 0x%02x\n", i, meta->configs[i].dummy_3); 4383 kprintf(" %d dummy_4 0x%02x\n", i, meta->configs[i].dummy_4); 4384 kprintf(" %d dummy_5 0x%02x\n", i, meta->configs[i].dummy_5); 4385 kprintf(" %d disk_number %u\n", i, 4386 be32toh(meta->configs[i].disk_number)); 4387 kprintf(" %d dummy_6 0x%08x\n", i, 4388 be32toh(meta->configs[i].dummy_6)); 4389 kprintf(" %d sectors %u\n", i, 4390 be32toh(meta->configs[i].sectors)); 4391 kprintf(" %d stripe_shift %u\n", i, 4392 be16toh(meta->configs[i].stripe_shift)); 4393 kprintf(" %d dummy_7 0x%08x\n", i, 4394 be32toh(meta->configs[i].dummy_7)); 4395 kprintf(" %d dummy_8 0x%08x 0x%08x 0x%08x 0x%08x\n", i, 4396 be32toh(meta->configs[i].dummy_8[0]), 4397 be32toh(meta->configs[i].dummy_8[1]), 4398 be32toh(meta->configs[i].dummy_8[2]), 4399 be32toh(meta->configs[i].dummy_8[3])); 4400 kprintf(" %d name <%s>\n", i, meta->configs[i].name); 4401 } 4402 kprintf("magic_1 <0x%08x>\n", be32toh(meta->magic_1)); 4403 kprintf("magic_2 <0x%08x>\n", be32toh(meta->magic_2)); 4404 kprintf("magic_3 <0x%08x>\n", be32toh(meta->magic_3)); 4405 kprintf("magic_4 <0x%08x>\n", be32toh(meta->magic_4)); 4406 kprintf("=================================================\n"); 4407 } 4408 4409 static char * 4410 ata_raid_hptv2_type(int type) 4411 { 4412 static char buffer[16]; 4413 4414 switch (type) { 4415 case HPTV2_T_RAID0: return "RAID0"; 4416 case HPTV2_T_RAID1: return "RAID1"; 4417 case HPTV2_T_RAID01_RAID0: return "RAID01_RAID0"; 4418 case HPTV2_T_SPAN: return "SPAN"; 4419 case HPTV2_T_RAID_3: return "RAID3"; 4420 case HPTV2_T_RAID_5: return "RAID5"; 4421 case HPTV2_T_JBOD: return "JBOD"; 4422 case HPTV2_T_RAID01_RAID1: return "RAID01_RAID1"; 4423 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4424 return buffer; 4425 } 4426 } 4427 4428 static void 4429 ata_raid_hptv2_print_meta(struct hptv2_raid_conf *meta) 4430 { 4431 int i; 4432 4433 kprintf("****** ATA Highpoint V2 RocketRAID Metadata *****\n"); 4434 kprintf("magic 0x%08x\n", meta->magic); 4435 kprintf("magic_0 0x%08x\n", meta->magic_0); 4436 kprintf("magic_1 0x%08x\n", meta->magic_1); 4437 kprintf("order 0x%08x\n", meta->order); 4438 kprintf("array_width %u\n", meta->array_width); 4439 kprintf("stripe_shift %u\n", meta->stripe_shift); 4440 kprintf("type %s\n", ata_raid_hptv2_type(meta->type)); 4441 kprintf("disk_number %u\n", meta->disk_number); 4442 kprintf("total_sectors %u\n", meta->total_sectors); 4443 kprintf("disk_mode 0x%08x\n", meta->disk_mode); 4444 kprintf("boot_mode 0x%08x\n", meta->boot_mode); 4445 kprintf("boot_disk 0x%02x\n", meta->boot_disk); 4446 kprintf("boot_protect 0x%02x\n", meta->boot_protect); 4447 kprintf("log_entries 0x%02x\n", meta->error_log_entries); 4448 kprintf("log_index 0x%02x\n", meta->error_log_index); 4449 if (meta->error_log_entries) { 4450 kprintf(" timestamp reason disk status sectors lba\n"); 4451 for (i = meta->error_log_index; 4452 i < meta->error_log_index + meta->error_log_entries; i++) 4453 kprintf(" 0x%08x 0x%02x 0x%02x 0x%02x 0x%02x 0x%08x\n", 4454 meta->errorlog[i%32].timestamp, 4455 meta->errorlog[i%32].reason, 4456 meta->errorlog[i%32].disk, meta->errorlog[i%32].status, 4457 meta->errorlog[i%32].sectors, meta->errorlog[i%32].lba); 4458 } 4459 kprintf("rebuild_lba 0x%08x\n", meta->rebuild_lba); 4460 kprintf("dummy_1 0x%02x\n", meta->dummy_1); 4461 kprintf("name_1 <%.15s>\n", meta->name_1); 4462 kprintf("dummy_2 0x%02x\n", meta->dummy_2); 4463 kprintf("name_2 <%.15s>\n", meta->name_2); 4464 kprintf("=================================================\n"); 4465 } 4466 4467 static char * 4468 ata_raid_hptv3_type(int type) 4469 { 4470 static char buffer[16]; 4471 4472 switch (type) { 4473 case HPTV3_T_SPARE: return "SPARE"; 4474 case HPTV3_T_JBOD: return "JBOD"; 4475 case HPTV3_T_SPAN: return "SPAN"; 4476 case HPTV3_T_RAID0: return "RAID0"; 4477 case HPTV3_T_RAID1: return "RAID1"; 4478 case HPTV3_T_RAID3: return "RAID3"; 4479 case HPTV3_T_RAID5: return "RAID5"; 4480 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4481 return buffer; 4482 } 4483 } 4484 4485 static void 4486 ata_raid_hptv3_print_meta(struct hptv3_raid_conf *meta) 4487 { 4488 int i; 4489 4490 kprintf("****** ATA Highpoint V3 RocketRAID Metadata *****\n"); 4491 kprintf("magic 0x%08x\n", meta->magic); 4492 kprintf("magic_0 0x%08x\n", meta->magic_0); 4493 kprintf("checksum_0 0x%02x\n", meta->checksum_0); 4494 kprintf("mode 0x%02x\n", meta->mode); 4495 kprintf("user_mode 0x%02x\n", meta->user_mode); 4496 kprintf("config_entries 0x%02x\n", meta->config_entries); 4497 for (i = 0; i < meta->config_entries; i++) { 4498 kprintf("config %d:\n", i); 4499 kprintf(" total_sectors %ju\n", 4500 meta->configs[0].total_sectors + 4501 ((u_int64_t)meta->configs_high[0].total_sectors << 32)); 4502 kprintf(" type %s\n", 4503 ata_raid_hptv3_type(meta->configs[i].type)); 4504 kprintf(" total_disks %u\n", meta->configs[i].total_disks); 4505 kprintf(" disk_number %u\n", meta->configs[i].disk_number); 4506 kprintf(" stripe_shift %u\n", meta->configs[i].stripe_shift); 4507 kprintf(" status %b\n", meta->configs[i].status, 4508 "\20\2RAID5\1NEED_REBUILD\n"); 4509 kprintf(" critical_disks %u\n", meta->configs[i].critical_disks); 4510 kprintf(" rebuild_lba %ju\n", 4511 meta->configs_high[0].rebuild_lba + 4512 ((u_int64_t)meta->configs_high[0].rebuild_lba << 32)); 4513 } 4514 kprintf("name <%.16s>\n", meta->name); 4515 kprintf("timestamp 0x%08x\n", meta->timestamp); 4516 kprintf("description <%.16s>\n", meta->description); 4517 kprintf("creator <%.16s>\n", meta->creator); 4518 kprintf("checksum_1 0x%02x\n", meta->checksum_1); 4519 kprintf("dummy_0 0x%02x\n", meta->dummy_0); 4520 kprintf("dummy_1 0x%02x\n", meta->dummy_1); 4521 kprintf("flags %b\n", meta->flags, 4522 "\20\4RCACHE\3WCACHE\2NCQ\1TCQ\n"); 4523 kprintf("=================================================\n"); 4524 } 4525 4526 static char * 4527 ata_raid_intel_type(int type) 4528 { 4529 static char buffer[16]; 4530 4531 switch (type) { 4532 case INTEL_T_RAID0: return "RAID0"; 4533 case INTEL_T_RAID1: return "RAID1"; 4534 case INTEL_T_RAID5: return "RAID5"; 4535 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4536 return buffer; 4537 } 4538 } 4539 4540 static void 4541 ata_raid_intel_print_meta(struct intel_raid_conf *meta) 4542 { 4543 struct intel_raid_mapping *map; 4544 int i, j; 4545 4546 kprintf("********* ATA Intel MatrixRAID Metadata *********\n"); 4547 kprintf("intel_id <%.24s>\n", meta->intel_id); 4548 kprintf("version <%.6s>\n", meta->version); 4549 kprintf("checksum 0x%08x\n", meta->checksum); 4550 kprintf("config_size 0x%08x\n", meta->config_size); 4551 kprintf("config_id 0x%08x\n", meta->config_id); 4552 kprintf("generation 0x%08x\n", meta->generation); 4553 kprintf("total_disks %u\n", meta->total_disks); 4554 kprintf("total_volumes %u\n", meta->total_volumes); 4555 kprintf("DISK# serial disk_sectors disk_id flags\n"); 4556 for (i = 0; i < meta->total_disks; i++ ) { 4557 kprintf(" %d <%.16s> %u 0x%08x 0x%08x\n", i, 4558 meta->disk[i].serial, meta->disk[i].sectors, 4559 meta->disk[i].id, meta->disk[i].flags); 4560 } 4561 map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks]; 4562 for (j = 0; j < meta->total_volumes; j++) { 4563 kprintf("name %.16s\n", map->name); 4564 kprintf("total_sectors %ju\n", map->total_sectors); 4565 kprintf("state %u\n", map->state); 4566 kprintf("reserved %u\n", map->reserved); 4567 kprintf("offset %u\n", map->offset); 4568 kprintf("disk_sectors %u\n", map->disk_sectors); 4569 kprintf("stripe_count %u\n", map->stripe_count); 4570 kprintf("stripe_sectors %u\n", map->stripe_sectors); 4571 kprintf("status %u\n", map->status); 4572 kprintf("type %s\n", ata_raid_intel_type(map->type)); 4573 kprintf("total_disks %u\n", map->total_disks); 4574 kprintf("magic[0] 0x%02x\n", map->magic[0]); 4575 kprintf("magic[1] 0x%02x\n", map->magic[1]); 4576 kprintf("magic[2] 0x%02x\n", map->magic[2]); 4577 for (i = 0; i < map->total_disks; i++ ) { 4578 kprintf(" disk %d at disk_idx 0x%08x\n", i, map->disk_idx[i]); 4579 } 4580 map = (struct intel_raid_mapping *)&map->disk_idx[map->total_disks]; 4581 } 4582 kprintf("=================================================\n"); 4583 } 4584 4585 static char * 4586 ata_raid_ite_type(int type) 4587 { 4588 static char buffer[16]; 4589 4590 switch (type) { 4591 case ITE_T_RAID0: return "RAID0"; 4592 case ITE_T_RAID1: return "RAID1"; 4593 case ITE_T_RAID01: return "RAID0+1"; 4594 case ITE_T_SPAN: return "SPAN"; 4595 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4596 return buffer; 4597 } 4598 } 4599 4600 static void 4601 ata_raid_ite_print_meta(struct ite_raid_conf *meta) 4602 { 4603 kprintf("*** ATA Integrated Technology Express Metadata **\n"); 4604 kprintf("ite_id <%.40s>\n", meta->ite_id); 4605 kprintf("timestamp_0 %04x/%02x/%02x %02x:%02x:%02x.%02x\n", 4606 *((u_int16_t *)meta->timestamp_0), meta->timestamp_0[2], 4607 meta->timestamp_0[3], meta->timestamp_0[5], meta->timestamp_0[4], 4608 meta->timestamp_0[7], meta->timestamp_0[6]); 4609 kprintf("total_sectors %jd\n", meta->total_sectors); 4610 kprintf("type %s\n", ata_raid_ite_type(meta->type)); 4611 kprintf("stripe_1kblocks %u\n", meta->stripe_1kblocks); 4612 kprintf("timestamp_1 %04x/%02x/%02x %02x:%02x:%02x.%02x\n", 4613 *((u_int16_t *)meta->timestamp_1), meta->timestamp_1[2], 4614 meta->timestamp_1[3], meta->timestamp_1[5], meta->timestamp_1[4], 4615 meta->timestamp_1[7], meta->timestamp_1[6]); 4616 kprintf("stripe_sectors %u\n", meta->stripe_sectors); 4617 kprintf("array_width %u\n", meta->array_width); 4618 kprintf("disk_number %u\n", meta->disk_number); 4619 kprintf("disk_sectors %u\n", meta->disk_sectors); 4620 kprintf("=================================================\n"); 4621 } 4622 4623 static char * 4624 ata_raid_jmicron_type(int type) 4625 { 4626 static char buffer[16]; 4627 4628 switch (type) { 4629 case JM_T_RAID0: return "RAID0"; 4630 case JM_T_RAID1: return "RAID1"; 4631 case JM_T_RAID01: return "RAID0+1"; 4632 case JM_T_JBOD: return "JBOD"; 4633 case JM_T_RAID5: return "RAID5"; 4634 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4635 return buffer; 4636 } 4637 } 4638 4639 static void 4640 ata_raid_jmicron_print_meta(struct jmicron_raid_conf *meta) 4641 { 4642 int i; 4643 4644 kprintf("***** ATA JMicron Technology Corp Metadata ******\n"); 4645 kprintf("signature %.2s\n", meta->signature); 4646 kprintf("version 0x%04x\n", meta->version); 4647 kprintf("checksum 0x%04x\n", meta->checksum); 4648 kprintf("disk_id 0x%08x\n", meta->disk_id); 4649 kprintf("offset 0x%08x\n", meta->offset); 4650 kprintf("disk_sectors_low 0x%08x\n", meta->disk_sectors_low); 4651 kprintf("disk_sectors_high 0x%08x\n", meta->disk_sectors_high); 4652 kprintf("name %.16s\n", meta->name); 4653 kprintf("type %s\n", ata_raid_jmicron_type(meta->type)); 4654 kprintf("stripe_shift %d\n", meta->stripe_shift); 4655 kprintf("flags 0x%04x\n", meta->flags); 4656 kprintf("spare:\n"); 4657 for (i=0; i < 2 && meta->spare[i]; i++) 4658 kprintf(" %d 0x%08x\n", i, meta->spare[i]); 4659 kprintf("disks:\n"); 4660 for (i=0; i < 8 && meta->disks[i]; i++) 4661 kprintf(" %d 0x%08x\n", i, meta->disks[i]); 4662 kprintf("=================================================\n"); 4663 } 4664 4665 static char * 4666 ata_raid_lsiv2_type(int type) 4667 { 4668 static char buffer[16]; 4669 4670 switch (type) { 4671 case LSIV2_T_RAID0: return "RAID0"; 4672 case LSIV2_T_RAID1: return "RAID1"; 4673 case LSIV2_T_SPARE: return "SPARE"; 4674 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4675 return buffer; 4676 } 4677 } 4678 4679 static void 4680 ata_raid_lsiv2_print_meta(struct lsiv2_raid_conf *meta) 4681 { 4682 int i; 4683 4684 kprintf("******* ATA LSILogic V2 MegaRAID Metadata *******\n"); 4685 kprintf("lsi_id <%s>\n", meta->lsi_id); 4686 kprintf("dummy_0 0x%02x\n", meta->dummy_0); 4687 kprintf("flags 0x%02x\n", meta->flags); 4688 kprintf("version 0x%04x\n", meta->version); 4689 kprintf("config_entries 0x%02x\n", meta->config_entries); 4690 kprintf("raid_count 0x%02x\n", meta->raid_count); 4691 kprintf("total_disks 0x%02x\n", meta->total_disks); 4692 kprintf("dummy_1 0x%02x\n", meta->dummy_1); 4693 kprintf("dummy_2 0x%04x\n", meta->dummy_2); 4694 for (i = 0; i < meta->config_entries; i++) { 4695 kprintf(" type %s\n", 4696 ata_raid_lsiv2_type(meta->configs[i].raid.type)); 4697 kprintf(" dummy_0 %02x\n", meta->configs[i].raid.dummy_0); 4698 kprintf(" stripe_sectors %u\n", 4699 meta->configs[i].raid.stripe_sectors); 4700 kprintf(" array_width %u\n", 4701 meta->configs[i].raid.array_width); 4702 kprintf(" disk_count %u\n", meta->configs[i].raid.disk_count); 4703 kprintf(" config_offset %u\n", 4704 meta->configs[i].raid.config_offset); 4705 kprintf(" dummy_1 %u\n", meta->configs[i].raid.dummy_1); 4706 kprintf(" flags %02x\n", meta->configs[i].raid.flags); 4707 kprintf(" total_sectors %u\n", 4708 meta->configs[i].raid.total_sectors); 4709 } 4710 kprintf("disk_number 0x%02x\n", meta->disk_number); 4711 kprintf("raid_number 0x%02x\n", meta->raid_number); 4712 kprintf("timestamp 0x%08x\n", meta->timestamp); 4713 kprintf("=================================================\n"); 4714 } 4715 4716 static char * 4717 ata_raid_lsiv3_type(int type) 4718 { 4719 static char buffer[16]; 4720 4721 switch (type) { 4722 case LSIV3_T_RAID0: return "RAID0"; 4723 case LSIV3_T_RAID1: return "RAID1"; 4724 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4725 return buffer; 4726 } 4727 } 4728 4729 static void 4730 ata_raid_lsiv3_print_meta(struct lsiv3_raid_conf *meta) 4731 { 4732 int i; 4733 4734 kprintf("******* ATA LSILogic V3 MegaRAID Metadata *******\n"); 4735 kprintf("lsi_id <%.6s>\n", meta->lsi_id); 4736 kprintf("dummy_0 0x%04x\n", meta->dummy_0); 4737 kprintf("version 0x%04x\n", meta->version); 4738 kprintf("dummy_0 0x%04x\n", meta->dummy_1); 4739 kprintf("RAID configs:\n"); 4740 for (i = 0; i < 8; i++) { 4741 if (meta->raid[i].total_disks) { 4742 kprintf("%02d stripe_pages %u\n", i, 4743 meta->raid[i].stripe_pages); 4744 kprintf("%02d type %s\n", i, 4745 ata_raid_lsiv3_type(meta->raid[i].type)); 4746 kprintf("%02d total_disks %u\n", i, 4747 meta->raid[i].total_disks); 4748 kprintf("%02d array_width %u\n", i, 4749 meta->raid[i].array_width); 4750 kprintf("%02d sectors %u\n", i, meta->raid[i].sectors); 4751 kprintf("%02d offset %u\n", i, meta->raid[i].offset); 4752 kprintf("%02d device 0x%02x\n", i, 4753 meta->raid[i].device); 4754 } 4755 } 4756 kprintf("DISK configs:\n"); 4757 for (i = 0; i < 6; i++) { 4758 if (meta->disk[i].disk_sectors) { 4759 kprintf("%02d disk_sectors %u\n", i, 4760 meta->disk[i].disk_sectors); 4761 kprintf("%02d flags 0x%02x\n", i, meta->disk[i].flags); 4762 } 4763 } 4764 kprintf("device 0x%02x\n", meta->device); 4765 kprintf("timestamp 0x%08x\n", meta->timestamp); 4766 kprintf("checksum_1 0x%02x\n", meta->checksum_1); 4767 kprintf("=================================================\n"); 4768 } 4769 4770 static char * 4771 ata_raid_nvidia_type(int type) 4772 { 4773 static char buffer[16]; 4774 4775 switch (type) { 4776 case NV_T_SPAN: return "SPAN"; 4777 case NV_T_RAID0: return "RAID0"; 4778 case NV_T_RAID1: return "RAID1"; 4779 case NV_T_RAID3: return "RAID3"; 4780 case NV_T_RAID5: return "RAID5"; 4781 case NV_T_RAID01: return "RAID0+1"; 4782 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4783 return buffer; 4784 } 4785 } 4786 4787 static void 4788 ata_raid_nvidia_print_meta(struct nvidia_raid_conf *meta) 4789 { 4790 kprintf("******** ATA nVidia MediaShield Metadata ********\n"); 4791 kprintf("nvidia_id <%.8s>\n", meta->nvidia_id); 4792 kprintf("config_size %d\n", meta->config_size); 4793 kprintf("checksum 0x%08x\n", meta->checksum); 4794 kprintf("version 0x%04x\n", meta->version); 4795 kprintf("disk_number %d\n", meta->disk_number); 4796 kprintf("dummy_0 0x%02x\n", meta->dummy_0); 4797 kprintf("total_sectors %d\n", meta->total_sectors); 4798 kprintf("sectors_size %d\n", meta->sector_size); 4799 kprintf("serial %.16s\n", meta->serial); 4800 kprintf("revision %.4s\n", meta->revision); 4801 kprintf("dummy_1 0x%08x\n", meta->dummy_1); 4802 kprintf("magic_0 0x%08x\n", meta->magic_0); 4803 kprintf("magic_1 0x%016jx\n", meta->magic_1); 4804 kprintf("magic_2 0x%016jx\n", meta->magic_2); 4805 kprintf("flags 0x%02x\n", meta->flags); 4806 kprintf("array_width %d\n", meta->array_width); 4807 kprintf("total_disks %d\n", meta->total_disks); 4808 kprintf("dummy_2 0x%02x\n", meta->dummy_2); 4809 kprintf("type %s\n", ata_raid_nvidia_type(meta->type)); 4810 kprintf("dummy_3 0x%04x\n", meta->dummy_3); 4811 kprintf("stripe_sectors %d\n", meta->stripe_sectors); 4812 kprintf("stripe_bytes %d\n", meta->stripe_bytes); 4813 kprintf("stripe_shift %d\n", meta->stripe_shift); 4814 kprintf("stripe_mask 0x%08x\n", meta->stripe_mask); 4815 kprintf("stripe_sizesectors %d\n", meta->stripe_sizesectors); 4816 kprintf("stripe_sizebytes %d\n", meta->stripe_sizebytes); 4817 kprintf("rebuild_lba %d\n", meta->rebuild_lba); 4818 kprintf("dummy_4 0x%08x\n", meta->dummy_4); 4819 kprintf("dummy_5 0x%08x\n", meta->dummy_5); 4820 kprintf("status 0x%08x\n", meta->status); 4821 kprintf("=================================================\n"); 4822 } 4823 4824 static char * 4825 ata_raid_promise_type(int type) 4826 { 4827 static char buffer[16]; 4828 4829 switch (type) { 4830 case PR_T_RAID0: return "RAID0"; 4831 case PR_T_RAID1: return "RAID1"; 4832 case PR_T_RAID3: return "RAID3"; 4833 case PR_T_RAID5: return "RAID5"; 4834 case PR_T_SPAN: return "SPAN"; 4835 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4836 return buffer; 4837 } 4838 } 4839 4840 static void 4841 ata_raid_promise_print_meta(struct promise_raid_conf *meta) 4842 { 4843 int i; 4844 4845 kprintf("********* ATA Promise FastTrak Metadata *********\n"); 4846 kprintf("promise_id <%s>\n", meta->promise_id); 4847 kprintf("dummy_0 0x%08x\n", meta->dummy_0); 4848 kprintf("magic_0 0x%016jx\n", meta->magic_0); 4849 kprintf("magic_1 0x%04x\n", meta->magic_1); 4850 kprintf("magic_2 0x%08x\n", meta->magic_2); 4851 kprintf("integrity 0x%08x %b\n", meta->raid.integrity, 4852 meta->raid.integrity, "\20\10VALID\n" ); 4853 kprintf("flags 0x%02x %b\n", 4854 meta->raid.flags, meta->raid.flags, 4855 "\20\10READY\7DOWN\6REDIR\5DUPLICATE\4SPARE" 4856 "\3ASSIGNED\2ONLINE\1VALID\n"); 4857 kprintf("disk_number %d\n", meta->raid.disk_number); 4858 kprintf("channel 0x%02x\n", meta->raid.channel); 4859 kprintf("device 0x%02x\n", meta->raid.device); 4860 kprintf("magic_0 0x%016jx\n", meta->raid.magic_0); 4861 kprintf("disk_offset %u\n", meta->raid.disk_offset); 4862 kprintf("disk_sectors %u\n", meta->raid.disk_sectors); 4863 kprintf("rebuild_lba 0x%08x\n", meta->raid.rebuild_lba); 4864 kprintf("generation 0x%04x\n", meta->raid.generation); 4865 kprintf("status 0x%02x %b\n", 4866 meta->raid.status, meta->raid.status, 4867 "\20\6MARKED\5DEGRADED\4READY\3INITED\2ONLINE\1VALID\n"); 4868 kprintf("type %s\n", ata_raid_promise_type(meta->raid.type)); 4869 kprintf("total_disks %u\n", meta->raid.total_disks); 4870 kprintf("stripe_shift %u\n", meta->raid.stripe_shift); 4871 kprintf("array_width %u\n", meta->raid.array_width); 4872 kprintf("array_number %u\n", meta->raid.array_number); 4873 kprintf("total_sectors %u\n", meta->raid.total_sectors); 4874 kprintf("cylinders %u\n", meta->raid.cylinders); 4875 kprintf("heads %u\n", meta->raid.heads); 4876 kprintf("sectors %u\n", meta->raid.sectors); 4877 kprintf("magic_1 0x%016jx\n", meta->raid.magic_1); 4878 kprintf("DISK# flags dummy_0 channel device magic_0\n"); 4879 for (i = 0; i < 8; i++) { 4880 kprintf(" %d %b 0x%02x 0x%02x 0x%02x ", 4881 i, meta->raid.disk[i].flags, 4882 "\20\10READY\7DOWN\6REDIR\5DUPLICATE\4SPARE" 4883 "\3ASSIGNED\2ONLINE\1VALID\n", meta->raid.disk[i].dummy_0, 4884 meta->raid.disk[i].channel, meta->raid.disk[i].device); 4885 kprintf("0x%016jx\n", meta->raid.disk[i].magic_0); 4886 } 4887 kprintf("checksum 0x%08x\n", meta->checksum); 4888 kprintf("=================================================\n"); 4889 } 4890 4891 static char * 4892 ata_raid_sii_type(int type) 4893 { 4894 static char buffer[16]; 4895 4896 switch (type) { 4897 case SII_T_RAID0: return "RAID0"; 4898 case SII_T_RAID1: return "RAID1"; 4899 case SII_T_RAID01: return "RAID0+1"; 4900 case SII_T_SPARE: return "SPARE"; 4901 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4902 return buffer; 4903 } 4904 } 4905 4906 static void 4907 ata_raid_sii_print_meta(struct sii_raid_conf *meta) 4908 { 4909 kprintf("******* ATA Silicon Image Medley Metadata *******\n"); 4910 kprintf("total_sectors %ju\n", meta->total_sectors); 4911 kprintf("dummy_0 0x%04x\n", meta->dummy_0); 4912 kprintf("dummy_1 0x%04x\n", meta->dummy_1); 4913 kprintf("controller_pci_id 0x%08x\n", meta->controller_pci_id); 4914 kprintf("version_minor 0x%04x\n", meta->version_minor); 4915 kprintf("version_major 0x%04x\n", meta->version_major); 4916 kprintf("timestamp 20%02x/%02x/%02x %02x:%02x:%02x\n", 4917 meta->timestamp[5], meta->timestamp[4], meta->timestamp[3], 4918 meta->timestamp[2], meta->timestamp[1], meta->timestamp[0]); 4919 kprintf("stripe_sectors %u\n", meta->stripe_sectors); 4920 kprintf("dummy_2 0x%04x\n", meta->dummy_2); 4921 kprintf("disk_number %u\n", meta->disk_number); 4922 kprintf("type %s\n", ata_raid_sii_type(meta->type)); 4923 kprintf("raid0_disks %u\n", meta->raid0_disks); 4924 kprintf("raid0_ident %u\n", meta->raid0_ident); 4925 kprintf("raid1_disks %u\n", meta->raid1_disks); 4926 kprintf("raid1_ident %u\n", meta->raid1_ident); 4927 kprintf("rebuild_lba %ju\n", meta->rebuild_lba); 4928 kprintf("generation 0x%08x\n", meta->generation); 4929 kprintf("status 0x%02x %b\n", 4930 meta->status, meta->status, 4931 "\20\1READY\n"); 4932 kprintf("base_raid1_position %02x\n", meta->base_raid1_position); 4933 kprintf("base_raid0_position %02x\n", meta->base_raid0_position); 4934 kprintf("position %02x\n", meta->position); 4935 kprintf("dummy_3 %04x\n", meta->dummy_3); 4936 kprintf("name <%.16s>\n", meta->name); 4937 kprintf("checksum_0 0x%04x\n", meta->checksum_0); 4938 kprintf("checksum_1 0x%04x\n", meta->checksum_1); 4939 kprintf("=================================================\n"); 4940 } 4941 4942 static char * 4943 ata_raid_sis_type(int type) 4944 { 4945 static char buffer[16]; 4946 4947 switch (type) { 4948 case SIS_T_JBOD: return "JBOD"; 4949 case SIS_T_RAID0: return "RAID0"; 4950 case SIS_T_RAID1: return "RAID1"; 4951 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4952 return buffer; 4953 } 4954 } 4955 4956 static void 4957 ata_raid_sis_print_meta(struct sis_raid_conf *meta) 4958 { 4959 kprintf("**** ATA Silicon Integrated Systems Metadata ****\n"); 4960 kprintf("magic 0x%04x\n", meta->magic); 4961 kprintf("disks 0x%02x\n", meta->disks); 4962 kprintf("type %s\n", 4963 ata_raid_sis_type(meta->type_total_disks & SIS_T_MASK)); 4964 kprintf("total_disks %u\n", meta->type_total_disks & SIS_D_MASK); 4965 kprintf("dummy_0 0x%08x\n", meta->dummy_0); 4966 kprintf("controller_pci_id 0x%08x\n", meta->controller_pci_id); 4967 kprintf("stripe_sectors %u\n", meta->stripe_sectors); 4968 kprintf("dummy_1 0x%04x\n", meta->dummy_1); 4969 kprintf("timestamp 0x%08x\n", meta->timestamp); 4970 kprintf("model %.40s\n", meta->model); 4971 kprintf("disk_number %u\n", meta->disk_number); 4972 kprintf("dummy_2 0x%02x 0x%02x 0x%02x\n", 4973 meta->dummy_2[0], meta->dummy_2[1], meta->dummy_2[2]); 4974 kprintf("=================================================\n"); 4975 } 4976 4977 static char * 4978 ata_raid_via_type(int type) 4979 { 4980 static char buffer[16]; 4981 4982 switch (type) { 4983 case VIA_T_RAID0: return "RAID0"; 4984 case VIA_T_RAID1: return "RAID1"; 4985 case VIA_T_RAID5: return "RAID5"; 4986 case VIA_T_RAID01: return "RAID0+1"; 4987 case VIA_T_SPAN: return "SPAN"; 4988 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4989 return buffer; 4990 } 4991 } 4992 4993 static void 4994 ata_raid_via_print_meta(struct via_raid_conf *meta) 4995 { 4996 int i; 4997 4998 kprintf("*************** ATA VIA Metadata ****************\n"); 4999 kprintf("magic 0x%02x\n", meta->magic); 5000 kprintf("dummy_0 0x%02x\n", meta->dummy_0); 5001 kprintf("type %s\n", 5002 ata_raid_via_type(meta->type & VIA_T_MASK)); 5003 kprintf("bootable %d\n", meta->type & VIA_T_BOOTABLE); 5004 kprintf("unknown %d\n", meta->type & VIA_T_UNKNOWN); 5005 kprintf("disk_index 0x%02x\n", meta->disk_index); 5006 kprintf("stripe_layout 0x%02x\n", meta->stripe_layout); 5007 kprintf(" stripe_disks %d\n", meta->stripe_layout & VIA_L_DISKS); 5008 kprintf(" stripe_sectors %d\n", 5009 0x08 << ((meta->stripe_layout & VIA_L_MASK) >> VIA_L_SHIFT)); 5010 kprintf("disk_sectors %ju\n", meta->disk_sectors); 5011 kprintf("disk_id 0x%08x\n", meta->disk_id); 5012 kprintf("DISK# disk_id\n"); 5013 for (i = 0; i < 8; i++) { 5014 if (meta->disks[i]) 5015 kprintf(" %d 0x%08x\n", i, meta->disks[i]); 5016 } 5017 kprintf("checksum 0x%02x\n", meta->checksum); 5018 kprintf("=================================================\n"); 5019 } 5020