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