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, total_disks = 0; 1033 u_int disk_size = 0; 1034 device_t gpdev; 1035 1036 for (array = 0; array < MAX_ARRAYS; array++) { 1037 if (!ata_raid_arrays[array]) 1038 break; 1039 } 1040 if (array >= MAX_ARRAYS) 1041 return ENOSPC; 1042 1043 rdp = (struct ar_softc*)kmalloc(sizeof(struct ar_softc), M_AR, 1044 M_WAITOK | M_ZERO); 1045 1046 for (disk = 0; disk < config->total_disks; disk++) { 1047 if ((subdisk = devclass_get_device(ata_raid_sub_devclass, 1048 config->disks[disk]))) { 1049 struct ata_raid_subdisk *ars = device_get_softc(subdisk); 1050 1051 /* is device already assigned to another array ? */ 1052 if (ars->raid[rdp->volume]) { 1053 config->disks[disk] = -1; 1054 kfree(rdp, M_AR); 1055 return EBUSY; 1056 } 1057 rdp->disks[disk].dev = device_get_parent(subdisk); 1058 1059 gpdev = GRANDPARENT(rdp->disks[disk].dev); 1060 1061 switch (pci_get_vendor(gpdev)) { 1062 case ATA_HIGHPOINT_ID: 1063 /* 1064 * we need some way to decide if it should be v2 or v3 1065 * for now just use v2 since the v3 BIOS knows how to 1066 * handle that as well. 1067 */ 1068 ctlr = AR_F_HPTV2_RAID; 1069 rdp->disks[disk].sectors = HPTV3_LBA(rdp->disks[disk].dev); 1070 break; 1071 1072 case ATA_INTEL_ID: 1073 ctlr = AR_F_INTEL_RAID; 1074 rdp->disks[disk].sectors = INTEL_LBA(rdp->disks[disk].dev); 1075 break; 1076 1077 case ATA_ITE_ID: 1078 ctlr = AR_F_ITE_RAID; 1079 rdp->disks[disk].sectors = ITE_LBA(rdp->disks[disk].dev); 1080 break; 1081 1082 case ATA_JMICRON_ID: 1083 ctlr = AR_F_JMICRON_RAID; 1084 rdp->disks[disk].sectors = JMICRON_LBA(rdp->disks[disk].dev); 1085 break; 1086 1087 case 0: /* XXX SOS cover up for bug in our PCI code */ 1088 case ATA_PROMISE_ID: 1089 ctlr = AR_F_PROMISE_RAID; 1090 rdp->disks[disk].sectors = PROMISE_LBA(rdp->disks[disk].dev); 1091 break; 1092 1093 case ATA_SIS_ID: 1094 ctlr = AR_F_SIS_RAID; 1095 rdp->disks[disk].sectors = SIS_LBA(rdp->disks[disk].dev); 1096 break; 1097 1098 case ATA_ATI_ID: 1099 case ATA_VIA_ID: 1100 ctlr = AR_F_VIA_RAID; 1101 rdp->disks[disk].sectors = VIA_LBA(rdp->disks[disk].dev); 1102 break; 1103 1104 default: 1105 /* XXX SOS 1106 * right, so here we are, we have an ATA chip and we want 1107 * to create a RAID and store the metadata. 1108 * we need to find a way to tell what kind of metadata this 1109 * hardware's BIOS might be using (good ideas are welcomed) 1110 * for now we just use our own native FreeBSD format. 1111 * the only way to get support for the BIOS format is to 1112 * setup the RAID from there, in that case we pickup the 1113 * metadata format from the disks (if we support it). 1114 */ 1115 kprintf("WARNING!! - not able to determine metadata format\n" 1116 "WARNING!! - Using FreeBSD PseudoRAID metadata\n" 1117 "If that is not what you want, use the BIOS to " 1118 "create the array\n"); 1119 ctlr = AR_F_FREEBSD_RAID; 1120 rdp->disks[disk].sectors = PROMISE_LBA(rdp->disks[disk].dev); 1121 break; 1122 } 1123 1124 /* we need all disks to be of the same format */ 1125 if ((rdp->format & AR_F_FORMAT_MASK) && 1126 (rdp->format & AR_F_FORMAT_MASK) != (ctlr & AR_F_FORMAT_MASK)) { 1127 kfree(rdp, M_AR); 1128 return EXDEV; 1129 } 1130 else 1131 rdp->format = ctlr; 1132 1133 /* use the smallest disk of the lots size */ 1134 /* gigabyte boundry ??? XXX SOS */ 1135 if (disk_size) 1136 disk_size = min(rdp->disks[disk].sectors, disk_size); 1137 else 1138 disk_size = rdp->disks[disk].sectors; 1139 rdp->disks[disk].flags = 1140 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 1141 1142 total_disks++; 1143 } 1144 else { 1145 config->disks[disk] = -1; 1146 kfree(rdp, M_AR); 1147 return ENXIO; 1148 } 1149 } 1150 1151 if (total_disks != config->total_disks) { 1152 kfree(rdp, M_AR); 1153 return ENODEV; 1154 } 1155 1156 switch (config->type) { 1157 case AR_T_JBOD: 1158 case AR_T_SPAN: 1159 case AR_T_RAID0: 1160 break; 1161 1162 case AR_T_RAID1: 1163 if (total_disks != 2) { 1164 kfree(rdp, M_AR); 1165 return EPERM; 1166 } 1167 break; 1168 1169 case AR_T_RAID01: 1170 if (total_disks % 2 != 0) { 1171 kfree(rdp, M_AR); 1172 return EPERM; 1173 } 1174 break; 1175 1176 case AR_T_RAID5: 1177 if (total_disks < 3) { 1178 kfree(rdp, M_AR); 1179 return EPERM; 1180 } 1181 break; 1182 1183 default: 1184 kfree(rdp, M_AR); 1185 return EOPNOTSUPP; 1186 } 1187 rdp->type = config->type; 1188 rdp->lun = array; 1189 if (rdp->type == AR_T_RAID0 || rdp->type == AR_T_RAID01 || 1190 rdp->type == AR_T_RAID5) { 1191 int bit = 0; 1192 1193 while (config->interleave >>= 1) 1194 bit++; 1195 rdp->interleave = 1 << bit; 1196 } 1197 rdp->offset_sectors = 0; 1198 1199 /* values that depend on metadata format */ 1200 switch (rdp->format) { 1201 case AR_F_ADAPTEC_RAID: 1202 rdp->interleave = min(max(32, rdp->interleave), 128); /*+*/ 1203 break; 1204 1205 case AR_F_HPTV2_RAID: 1206 rdp->interleave = min(max(8, rdp->interleave), 128); /*+*/ 1207 rdp->offset_sectors = HPTV2_LBA(x) + 1; 1208 break; 1209 1210 case AR_F_HPTV3_RAID: 1211 rdp->interleave = min(max(32, rdp->interleave), 4096); /*+*/ 1212 break; 1213 1214 case AR_F_INTEL_RAID: 1215 rdp->interleave = min(max(8, rdp->interleave), 256); /*+*/ 1216 break; 1217 1218 case AR_F_ITE_RAID: 1219 rdp->interleave = min(max(2, rdp->interleave), 128); /*+*/ 1220 break; 1221 1222 case AR_F_JMICRON_RAID: 1223 rdp->interleave = min(max(8, rdp->interleave), 256); /*+*/ 1224 break; 1225 1226 case AR_F_LSIV2_RAID: 1227 rdp->interleave = min(max(2, rdp->interleave), 4096); 1228 break; 1229 1230 case AR_F_LSIV3_RAID: 1231 rdp->interleave = min(max(2, rdp->interleave), 256); 1232 break; 1233 1234 case AR_F_PROMISE_RAID: 1235 rdp->interleave = min(max(2, rdp->interleave), 2048); /*+*/ 1236 break; 1237 1238 case AR_F_SII_RAID: 1239 rdp->interleave = min(max(8, rdp->interleave), 256); /*+*/ 1240 break; 1241 1242 case AR_F_SIS_RAID: 1243 rdp->interleave = min(max(32, rdp->interleave), 512); /*+*/ 1244 break; 1245 1246 case AR_F_VIA_RAID: 1247 rdp->interleave = min(max(8, rdp->interleave), 128); /*+*/ 1248 break; 1249 } 1250 1251 rdp->total_disks = total_disks; 1252 rdp->width = total_disks / (rdp->type & (AR_RAID1 | AR_T_RAID01) ? 2 : 1); 1253 rdp->total_sectors = 1254 (uint64_t)disk_size * (rdp->width - (rdp->type == AR_RAID5)); 1255 rdp->heads = 255; 1256 rdp->sectors = 63; 1257 rdp->cylinders = rdp->total_sectors / (255 * 63); 1258 rdp->rebuild_lba = 0; 1259 rdp->status |= AR_S_READY; 1260 1261 /* we are committed to this array, grap the subdisks */ 1262 for (disk = 0; disk < config->total_disks; disk++) { 1263 if ((subdisk = devclass_get_device(ata_raid_sub_devclass, 1264 config->disks[disk]))) { 1265 struct ata_raid_subdisk *ars = device_get_softc(subdisk); 1266 1267 ars->raid[rdp->volume] = rdp; 1268 ars->disk_number[rdp->volume] = disk; 1269 } 1270 } 1271 ata_raid_attach(rdp, 1); 1272 ata_raid_arrays[array] = rdp; 1273 config->lun = array; 1274 return 0; 1275 } 1276 1277 static int 1278 ata_raid_delete(int array) 1279 { 1280 struct ar_softc *rdp; 1281 device_t subdisk; 1282 int disk; 1283 1284 if (!(rdp = ata_raid_arrays[array])) 1285 return ENXIO; 1286 1287 rdp->status &= ~AR_S_READY; 1288 disk_destroy(&rdp->disk); 1289 devstat_remove_entry(&rdp->devstat); 1290 1291 for (disk = 0; disk < rdp->total_disks; disk++) { 1292 if ((rdp->disks[disk].flags & AR_DF_PRESENT) && rdp->disks[disk].dev) { 1293 if ((subdisk = devclass_get_device(ata_raid_sub_devclass, 1294 device_get_unit(rdp->disks[disk].dev)))) { 1295 struct ata_raid_subdisk *ars = device_get_softc(subdisk); 1296 1297 if (ars->raid[rdp->volume] != rdp) /* XXX SOS */ 1298 device_printf(subdisk, "DOH! this disk doesn't belong\n"); 1299 if (ars->disk_number[rdp->volume] != disk) /* XXX SOS */ 1300 device_printf(subdisk, "DOH! this disk number is wrong\n"); 1301 ars->raid[rdp->volume] = NULL; 1302 ars->disk_number[rdp->volume] = -1; 1303 } 1304 rdp->disks[disk].flags = 0; 1305 } 1306 } 1307 ata_raid_wipe_metadata(rdp); 1308 ata_raid_arrays[array] = NULL; 1309 kfree(rdp, M_AR); 1310 return 0; 1311 } 1312 1313 static int 1314 ata_raid_addspare(struct ata_ioc_raid_config *config) 1315 { 1316 struct ar_softc *rdp; 1317 device_t subdisk; 1318 int disk; 1319 1320 if (!(rdp = ata_raid_arrays[config->lun])) 1321 return ENXIO; 1322 if (!(rdp->status & AR_S_DEGRADED) || !(rdp->status & AR_S_READY)) 1323 return ENXIO; 1324 if (rdp->status & AR_S_REBUILDING) 1325 return EBUSY; 1326 switch (rdp->type) { 1327 case AR_T_RAID1: 1328 case AR_T_RAID01: 1329 case AR_T_RAID5: 1330 for (disk = 0; disk < rdp->total_disks; disk++ ) { 1331 1332 if (((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) == 1333 (AR_DF_PRESENT | AR_DF_ONLINE)) && rdp->disks[disk].dev) 1334 continue; 1335 1336 if ((subdisk = devclass_get_device(ata_raid_sub_devclass, 1337 config->disks[0] ))) { 1338 struct ata_raid_subdisk *ars = device_get_softc(subdisk); 1339 1340 if (ars->raid[rdp->volume]) 1341 return EBUSY; 1342 1343 /* XXX SOS validate size etc etc */ 1344 ars->raid[rdp->volume] = rdp; 1345 ars->disk_number[rdp->volume] = disk; 1346 rdp->disks[disk].dev = device_get_parent(subdisk); 1347 rdp->disks[disk].flags = 1348 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE); 1349 1350 device_printf(rdp->disks[disk].dev, 1351 "inserted into ar%d disk%d as spare\n", 1352 rdp->lun, disk); 1353 ata_raid_config_changed(rdp, 1); 1354 return 0; 1355 } 1356 } 1357 return ENXIO; 1358 1359 default: 1360 return EPERM; 1361 } 1362 } 1363 1364 static int 1365 ata_raid_rebuild(int array) 1366 { 1367 struct ar_softc *rdp; 1368 int disk, count; 1369 1370 if (!(rdp = ata_raid_arrays[array])) 1371 return ENXIO; 1372 /* XXX SOS we should lock the rdp softc here */ 1373 if (!(rdp->status & AR_S_DEGRADED) || !(rdp->status & AR_S_READY)) 1374 return ENXIO; 1375 if (rdp->status & AR_S_REBUILDING) 1376 return EBUSY; 1377 1378 switch (rdp->type) { 1379 case AR_T_RAID1: 1380 case AR_T_RAID01: 1381 case AR_T_RAID5: 1382 for (count = 0, disk = 0; disk < rdp->total_disks; disk++ ) { 1383 if (((rdp->disks[disk].flags & 1384 (AR_DF_PRESENT|AR_DF_ASSIGNED|AR_DF_ONLINE|AR_DF_SPARE)) == 1385 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE)) && 1386 rdp->disks[disk].dev) { 1387 count++; 1388 } 1389 } 1390 1391 if (count) { 1392 rdp->rebuild_lba = 0; 1393 rdp->status |= AR_S_REBUILDING; 1394 return 0; 1395 } 1396 return EIO; 1397 1398 default: 1399 return EPERM; 1400 } 1401 } 1402 1403 static int 1404 ata_raid_read_metadata(device_t subdisk) 1405 { 1406 devclass_t pci_devclass = devclass_find("pci"); 1407 devclass_t devclass=device_get_devclass(GRANDPARENT(GRANDPARENT(subdisk))); 1408 device_t gpdev; 1409 uint16_t vendor; 1410 1411 /* prioritize vendor native metadata layout if possible */ 1412 if (devclass == pci_devclass) { 1413 gpdev = device_get_parent(subdisk); 1414 gpdev = GRANDPARENT(gpdev); 1415 vendor = pci_get_vendor(gpdev); 1416 1417 switch (vendor) { 1418 case ATA_HIGHPOINT_ID: 1419 if (ata_raid_hptv3_read_meta(subdisk, ata_raid_arrays)) 1420 return 0; 1421 if (ata_raid_hptv2_read_meta(subdisk, ata_raid_arrays)) 1422 return 0; 1423 break; 1424 1425 case ATA_INTEL_ID: 1426 if (ata_raid_intel_read_meta(subdisk, ata_raid_arrays)) 1427 return 0; 1428 break; 1429 1430 case ATA_ITE_ID: 1431 if (ata_raid_ite_read_meta(subdisk, ata_raid_arrays)) 1432 return 0; 1433 break; 1434 1435 case ATA_JMICRON_ID: 1436 if (ata_raid_jmicron_read_meta(subdisk, ata_raid_arrays)) 1437 return 0; 1438 break; 1439 1440 case ATA_NVIDIA_ID: 1441 if (ata_raid_nvidia_read_meta(subdisk, ata_raid_arrays)) 1442 return 0; 1443 break; 1444 1445 case 0: /* XXX SOS cover up for bug in our PCI code */ 1446 case ATA_PROMISE_ID: 1447 if (ata_raid_promise_read_meta(subdisk, ata_raid_arrays, 0)) 1448 return 0; 1449 break; 1450 1451 case ATA_ATI_ID: 1452 case ATA_SILICON_IMAGE_ID: 1453 if (ata_raid_sii_read_meta(subdisk, ata_raid_arrays)) 1454 return 0; 1455 break; 1456 1457 case ATA_SIS_ID: 1458 if (ata_raid_sis_read_meta(subdisk, ata_raid_arrays)) 1459 return 0; 1460 break; 1461 1462 case ATA_VIA_ID: 1463 if (ata_raid_via_read_meta(subdisk, ata_raid_arrays)) 1464 return 0; 1465 break; 1466 } 1467 } 1468 1469 /* handle controllers that have multiple layout possibilities */ 1470 /* NOTE: the order of these are not insignificant */ 1471 1472 /* Adaptec HostRAID */ 1473 if (ata_raid_adaptec_read_meta(subdisk, ata_raid_arrays)) 1474 return 0; 1475 1476 /* LSILogic v3 and v2 */ 1477 if (ata_raid_lsiv3_read_meta(subdisk, ata_raid_arrays)) 1478 return 0; 1479 if (ata_raid_lsiv2_read_meta(subdisk, ata_raid_arrays)) 1480 return 0; 1481 1482 /* if none of the above matched, try FreeBSD native format */ 1483 return ata_raid_promise_read_meta(subdisk, ata_raid_arrays, 1); 1484 } 1485 1486 static int 1487 ata_raid_write_metadata(struct ar_softc *rdp) 1488 { 1489 switch (rdp->format) { 1490 case AR_F_FREEBSD_RAID: 1491 case AR_F_PROMISE_RAID: 1492 return ata_raid_promise_write_meta(rdp); 1493 1494 case AR_F_HPTV3_RAID: 1495 case AR_F_HPTV2_RAID: 1496 /* 1497 * always write HPT v2 metadata, the v3 BIOS knows it as well. 1498 * this is handy since we cannot know what version BIOS is on there 1499 */ 1500 return ata_raid_hptv2_write_meta(rdp); 1501 1502 case AR_F_INTEL_RAID: 1503 return ata_raid_intel_write_meta(rdp); 1504 1505 case AR_F_JMICRON_RAID: 1506 return ata_raid_jmicron_write_meta(rdp); 1507 1508 case AR_F_SIS_RAID: 1509 return ata_raid_sis_write_meta(rdp); 1510 1511 case AR_F_VIA_RAID: 1512 return ata_raid_via_write_meta(rdp); 1513 #if 0 1514 case AR_F_HPTV3_RAID: 1515 return ata_raid_hptv3_write_meta(rdp); 1516 1517 case AR_F_ADAPTEC_RAID: 1518 return ata_raid_adaptec_write_meta(rdp); 1519 1520 case AR_F_ITE_RAID: 1521 return ata_raid_ite_write_meta(rdp); 1522 1523 case AR_F_LSIV2_RAID: 1524 return ata_raid_lsiv2_write_meta(rdp); 1525 1526 case AR_F_LSIV3_RAID: 1527 return ata_raid_lsiv3_write_meta(rdp); 1528 1529 case AR_F_NVIDIA_RAID: 1530 return ata_raid_nvidia_write_meta(rdp); 1531 1532 case AR_F_SII_RAID: 1533 return ata_raid_sii_write_meta(rdp); 1534 1535 #endif 1536 default: 1537 kprintf("ar%d: writing of %s metadata is NOT supported yet\n", 1538 rdp->lun, ata_raid_format(rdp)); 1539 } 1540 return -1; 1541 } 1542 1543 static int 1544 ata_raid_wipe_metadata(struct ar_softc *rdp) 1545 { 1546 int disk, error = 0; 1547 u_int64_t lba; 1548 u_int32_t size; 1549 u_int8_t *meta; 1550 1551 for (disk = 0; disk < rdp->total_disks; disk++) { 1552 if (rdp->disks[disk].dev) { 1553 switch (rdp->format) { 1554 case AR_F_ADAPTEC_RAID: 1555 lba = ADP_LBA(rdp->disks[disk].dev); 1556 size = sizeof(struct adaptec_raid_conf); 1557 break; 1558 1559 case AR_F_HPTV2_RAID: 1560 lba = HPTV2_LBA(rdp->disks[disk].dev); 1561 size = sizeof(struct hptv2_raid_conf); 1562 break; 1563 1564 case AR_F_HPTV3_RAID: 1565 lba = HPTV3_LBA(rdp->disks[disk].dev); 1566 size = sizeof(struct hptv3_raid_conf); 1567 break; 1568 1569 case AR_F_INTEL_RAID: 1570 lba = INTEL_LBA(rdp->disks[disk].dev); 1571 size = 3 * 512; /* XXX SOS */ 1572 break; 1573 1574 case AR_F_ITE_RAID: 1575 lba = ITE_LBA(rdp->disks[disk].dev); 1576 size = sizeof(struct ite_raid_conf); 1577 break; 1578 1579 case AR_F_JMICRON_RAID: 1580 lba = JMICRON_LBA(rdp->disks[disk].dev); 1581 size = sizeof(struct jmicron_raid_conf); 1582 break; 1583 1584 case AR_F_LSIV2_RAID: 1585 lba = LSIV2_LBA(rdp->disks[disk].dev); 1586 size = sizeof(struct lsiv2_raid_conf); 1587 break; 1588 1589 case AR_F_LSIV3_RAID: 1590 lba = LSIV3_LBA(rdp->disks[disk].dev); 1591 size = sizeof(struct lsiv3_raid_conf); 1592 break; 1593 1594 case AR_F_NVIDIA_RAID: 1595 lba = NVIDIA_LBA(rdp->disks[disk].dev); 1596 size = sizeof(struct nvidia_raid_conf); 1597 break; 1598 1599 case AR_F_FREEBSD_RAID: 1600 case AR_F_PROMISE_RAID: 1601 lba = PROMISE_LBA(rdp->disks[disk].dev); 1602 size = sizeof(struct promise_raid_conf); 1603 break; 1604 1605 case AR_F_SII_RAID: 1606 lba = SII_LBA(rdp->disks[disk].dev); 1607 size = sizeof(struct sii_raid_conf); 1608 break; 1609 1610 case AR_F_SIS_RAID: 1611 lba = SIS_LBA(rdp->disks[disk].dev); 1612 size = sizeof(struct sis_raid_conf); 1613 break; 1614 1615 case AR_F_VIA_RAID: 1616 lba = VIA_LBA(rdp->disks[disk].dev); 1617 size = sizeof(struct via_raid_conf); 1618 break; 1619 1620 default: 1621 kprintf("ar%d: wiping of %s metadata is NOT supported yet\n", 1622 rdp->lun, ata_raid_format(rdp)); 1623 return ENXIO; 1624 } 1625 meta = kmalloc(size, M_AR, M_WAITOK | M_ZERO); 1626 if (ata_raid_rw(rdp->disks[disk].dev, lba, meta, size, 1627 ATA_R_WRITE | ATA_R_DIRECT)) { 1628 device_printf(rdp->disks[disk].dev, "wipe metadata failed\n"); 1629 error = EIO; 1630 } 1631 kfree(meta, M_AR); 1632 } 1633 } 1634 return error; 1635 } 1636 1637 /* Adaptec HostRAID Metadata */ 1638 static int 1639 ata_raid_adaptec_read_meta(device_t dev, struct ar_softc **raidp) 1640 { 1641 struct ata_raid_subdisk *ars = device_get_softc(dev); 1642 device_t parent = device_get_parent(dev); 1643 struct adaptec_raid_conf *meta; 1644 struct ar_softc *raid; 1645 int array, disk, retval = 0; 1646 1647 meta = (struct adaptec_raid_conf *) 1648 kmalloc(sizeof(struct adaptec_raid_conf), M_AR, M_WAITOK | M_ZERO); 1649 1650 if (ata_raid_rw(parent, ADP_LBA(parent), 1651 meta, sizeof(struct adaptec_raid_conf), ATA_R_READ)) { 1652 if (testing || bootverbose) 1653 device_printf(parent, "Adaptec read metadata failed\n"); 1654 goto adaptec_out; 1655 } 1656 1657 /* check if this is a Adaptec RAID struct */ 1658 if (meta->magic_0 != ADP_MAGIC_0 || meta->magic_3 != ADP_MAGIC_3) { 1659 if (testing || bootverbose) 1660 device_printf(parent, "Adaptec check1 failed\n"); 1661 goto adaptec_out; 1662 } 1663 1664 if (testing || bootverbose) 1665 ata_raid_adaptec_print_meta(meta); 1666 1667 /* now convert Adaptec metadata into our generic form */ 1668 for (array = 0; array < MAX_ARRAYS; array++) { 1669 if (!raidp[array]) { 1670 raidp[array] = 1671 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 1672 M_WAITOK | M_ZERO); 1673 } 1674 raid = raidp[array]; 1675 if (raid->format && (raid->format != AR_F_ADAPTEC_RAID)) 1676 continue; 1677 1678 if (raid->magic_0 && raid->magic_0 != meta->configs[0].magic_0) 1679 continue; 1680 1681 if (!meta->generation || be32toh(meta->generation) > raid->generation) { 1682 switch (meta->configs[0].type) { 1683 case ADP_T_RAID0: 1684 raid->magic_0 = meta->configs[0].magic_0; 1685 raid->type = AR_T_RAID0; 1686 raid->interleave = 1 << (meta->configs[0].stripe_shift >> 1); 1687 raid->width = be16toh(meta->configs[0].total_disks); 1688 break; 1689 1690 case ADP_T_RAID1: 1691 raid->magic_0 = meta->configs[0].magic_0; 1692 raid->type = AR_T_RAID1; 1693 raid->width = be16toh(meta->configs[0].total_disks) / 2; 1694 break; 1695 1696 default: 1697 device_printf(parent, "Adaptec unknown RAID type 0x%02x\n", 1698 meta->configs[0].type); 1699 kfree(raidp[array], M_AR); 1700 raidp[array] = NULL; 1701 goto adaptec_out; 1702 } 1703 1704 raid->format = AR_F_ADAPTEC_RAID; 1705 raid->generation = be32toh(meta->generation); 1706 raid->total_disks = be16toh(meta->configs[0].total_disks); 1707 raid->total_sectors = be32toh(meta->configs[0].sectors); 1708 raid->heads = 255; 1709 raid->sectors = 63; 1710 raid->cylinders = raid->total_sectors / (63 * 255); 1711 raid->offset_sectors = 0; 1712 raid->rebuild_lba = 0; 1713 raid->lun = array; 1714 strncpy(raid->name, meta->configs[0].name, 1715 min(sizeof(raid->name), sizeof(meta->configs[0].name))); 1716 1717 /* clear out any old info */ 1718 if (raid->generation) { 1719 for (disk = 0; disk < raid->total_disks; disk++) { 1720 raid->disks[disk].dev = NULL; 1721 raid->disks[disk].flags = 0; 1722 } 1723 } 1724 } 1725 if (be32toh(meta->generation) >= raid->generation) { 1726 struct ata_device *atadev = device_get_softc(parent); 1727 struct ata_channel *ch = device_get_softc(GRANDPARENT(dev)); 1728 int disk_number = (ch->unit << !(ch->flags & ATA_NO_SLAVE)) + 1729 ATA_DEV(atadev->unit); 1730 1731 raid->disks[disk_number].dev = parent; 1732 raid->disks[disk_number].sectors = 1733 be32toh(meta->configs[disk_number + 1].sectors); 1734 raid->disks[disk_number].flags = 1735 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 1736 ars->raid[raid->volume] = raid; 1737 ars->disk_number[raid->volume] = disk_number; 1738 retval = 1; 1739 } 1740 break; 1741 } 1742 1743 adaptec_out: 1744 kfree(meta, M_AR); 1745 return retval; 1746 } 1747 1748 /* Highpoint V2 RocketRAID Metadata */ 1749 static int 1750 ata_raid_hptv2_read_meta(device_t dev, struct ar_softc **raidp) 1751 { 1752 struct ata_raid_subdisk *ars = device_get_softc(dev); 1753 device_t parent = device_get_parent(dev); 1754 struct hptv2_raid_conf *meta; 1755 struct ar_softc *raid = NULL; 1756 int array, disk_number = 0, retval = 0; 1757 1758 meta = (struct hptv2_raid_conf *)kmalloc(sizeof(struct hptv2_raid_conf), 1759 M_AR, M_WAITOK | M_ZERO); 1760 1761 if (ata_raid_rw(parent, HPTV2_LBA(parent), 1762 meta, sizeof(struct hptv2_raid_conf), ATA_R_READ)) { 1763 if (testing || bootverbose) 1764 device_printf(parent, "HighPoint (v2) read metadata failed\n"); 1765 goto hptv2_out; 1766 } 1767 1768 /* check if this is a HighPoint v2 RAID struct */ 1769 if (meta->magic != HPTV2_MAGIC_OK && meta->magic != HPTV2_MAGIC_BAD) { 1770 if (testing || bootverbose) 1771 device_printf(parent, "HighPoint (v2) check1 failed\n"); 1772 goto hptv2_out; 1773 } 1774 1775 /* is this disk defined, or an old leftover/spare ? */ 1776 if (!meta->magic_0) { 1777 if (testing || bootverbose) 1778 device_printf(parent, "HighPoint (v2) check2 failed\n"); 1779 goto hptv2_out; 1780 } 1781 1782 if (testing || bootverbose) 1783 ata_raid_hptv2_print_meta(meta); 1784 1785 /* now convert HighPoint (v2) metadata into our generic form */ 1786 for (array = 0; array < MAX_ARRAYS; array++) { 1787 if (!raidp[array]) { 1788 raidp[array] = 1789 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 1790 M_WAITOK | M_ZERO); 1791 } 1792 raid = raidp[array]; 1793 if (raid->format && (raid->format != AR_F_HPTV2_RAID)) 1794 continue; 1795 1796 switch (meta->type) { 1797 case HPTV2_T_RAID0: 1798 if ((meta->order & (HPTV2_O_RAID0|HPTV2_O_OK)) == 1799 (HPTV2_O_RAID0|HPTV2_O_OK)) 1800 goto highpoint_raid1; 1801 if (meta->order & (HPTV2_O_RAID0 | HPTV2_O_RAID1)) 1802 goto highpoint_raid01; 1803 if (raid->magic_0 && raid->magic_0 != meta->magic_0) 1804 continue; 1805 raid->magic_0 = meta->magic_0; 1806 raid->type = AR_T_RAID0; 1807 raid->interleave = 1 << meta->stripe_shift; 1808 disk_number = meta->disk_number; 1809 if (!(meta->order & HPTV2_O_OK)) 1810 meta->magic = 0; /* mark bad */ 1811 break; 1812 1813 case HPTV2_T_RAID1: 1814 highpoint_raid1: 1815 if (raid->magic_0 && raid->magic_0 != meta->magic_0) 1816 continue; 1817 raid->magic_0 = meta->magic_0; 1818 raid->type = AR_T_RAID1; 1819 disk_number = (meta->disk_number > 0); 1820 break; 1821 1822 case HPTV2_T_RAID01_RAID0: 1823 highpoint_raid01: 1824 if (meta->order & HPTV2_O_RAID0) { 1825 if ((raid->magic_0 && raid->magic_0 != meta->magic_0) || 1826 (raid->magic_1 && raid->magic_1 != meta->magic_1)) 1827 continue; 1828 raid->magic_0 = meta->magic_0; 1829 raid->magic_1 = meta->magic_1; 1830 raid->type = AR_T_RAID01; 1831 raid->interleave = 1 << meta->stripe_shift; 1832 disk_number = meta->disk_number; 1833 } 1834 else { 1835 if (raid->magic_1 && raid->magic_1 != meta->magic_1) 1836 continue; 1837 raid->magic_1 = meta->magic_1; 1838 raid->type = AR_T_RAID01; 1839 raid->interleave = 1 << meta->stripe_shift; 1840 disk_number = meta->disk_number + meta->array_width; 1841 if (!(meta->order & HPTV2_O_RAID1)) 1842 meta->magic = 0; /* mark bad */ 1843 } 1844 break; 1845 1846 case HPTV2_T_SPAN: 1847 if (raid->magic_0 && raid->magic_0 != meta->magic_0) 1848 continue; 1849 raid->magic_0 = meta->magic_0; 1850 raid->type = AR_T_SPAN; 1851 disk_number = meta->disk_number; 1852 break; 1853 1854 default: 1855 device_printf(parent, "Highpoint (v2) unknown RAID type 0x%02x\n", 1856 meta->type); 1857 kfree(raidp[array], M_AR); 1858 raidp[array] = NULL; 1859 goto hptv2_out; 1860 } 1861 1862 raid->format |= AR_F_HPTV2_RAID; 1863 raid->disks[disk_number].dev = parent; 1864 raid->disks[disk_number].flags = (AR_DF_PRESENT | AR_DF_ASSIGNED); 1865 raid->lun = array; 1866 strncpy(raid->name, meta->name_1, 1867 min(sizeof(raid->name), sizeof(meta->name_1))); 1868 if (meta->magic == HPTV2_MAGIC_OK) { 1869 raid->disks[disk_number].flags |= AR_DF_ONLINE; 1870 raid->width = meta->array_width; 1871 raid->total_sectors = meta->total_sectors; 1872 raid->heads = 255; 1873 raid->sectors = 63; 1874 raid->cylinders = raid->total_sectors / (63 * 255); 1875 raid->offset_sectors = HPTV2_LBA(parent) + 1; 1876 raid->rebuild_lba = meta->rebuild_lba; 1877 raid->disks[disk_number].sectors = 1878 raid->total_sectors / raid->width; 1879 } 1880 else 1881 raid->disks[disk_number].flags &= ~AR_DF_ONLINE; 1882 1883 if ((raid->type & AR_T_RAID0) && (raid->total_disks < raid->width)) 1884 raid->total_disks = raid->width; 1885 if (disk_number >= raid->total_disks) 1886 raid->total_disks = disk_number + 1; 1887 ars->raid[raid->volume] = raid; 1888 ars->disk_number[raid->volume] = disk_number; 1889 retval = 1; 1890 break; 1891 } 1892 1893 hptv2_out: 1894 kfree(meta, M_AR); 1895 return retval; 1896 } 1897 1898 static int 1899 ata_raid_hptv2_write_meta(struct ar_softc *rdp) 1900 { 1901 struct hptv2_raid_conf *meta; 1902 struct timeval timestamp; 1903 int disk, error = 0; 1904 1905 meta = (struct hptv2_raid_conf *)kmalloc(sizeof(struct hptv2_raid_conf), 1906 M_AR, M_WAITOK | M_ZERO); 1907 1908 microtime(×tamp); 1909 rdp->magic_0 = timestamp.tv_sec + 2; 1910 rdp->magic_1 = timestamp.tv_sec; 1911 1912 for (disk = 0; disk < rdp->total_disks; disk++) { 1913 if ((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) == 1914 (AR_DF_PRESENT | AR_DF_ONLINE)) 1915 meta->magic = HPTV2_MAGIC_OK; 1916 if (rdp->disks[disk].flags & AR_DF_ASSIGNED) { 1917 meta->magic_0 = rdp->magic_0; 1918 if (strlen(rdp->name)) 1919 strncpy(meta->name_1, rdp->name, sizeof(meta->name_1)); 1920 else 1921 strcpy(meta->name_1, "FreeBSD"); 1922 } 1923 meta->disk_number = disk; 1924 1925 switch (rdp->type) { 1926 case AR_T_RAID0: 1927 meta->type = HPTV2_T_RAID0; 1928 strcpy(meta->name_2, "RAID 0"); 1929 if (rdp->disks[disk].flags & AR_DF_ONLINE) 1930 meta->order = HPTV2_O_OK; 1931 break; 1932 1933 case AR_T_RAID1: 1934 meta->type = HPTV2_T_RAID0; 1935 strcpy(meta->name_2, "RAID 1"); 1936 meta->disk_number = (disk < rdp->width) ? disk : disk + 5; 1937 meta->order = HPTV2_O_RAID0 | HPTV2_O_OK; 1938 break; 1939 1940 case AR_T_RAID01: 1941 meta->type = HPTV2_T_RAID01_RAID0; 1942 strcpy(meta->name_2, "RAID 0+1"); 1943 if (rdp->disks[disk].flags & AR_DF_ONLINE) { 1944 if (disk < rdp->width) { 1945 meta->order = (HPTV2_O_RAID0 | HPTV2_O_RAID1); 1946 meta->magic_0 = rdp->magic_0 - 1; 1947 } 1948 else { 1949 meta->order = HPTV2_O_RAID1; 1950 meta->disk_number -= rdp->width; 1951 } 1952 } 1953 else 1954 meta->magic_0 = rdp->magic_0 - 1; 1955 meta->magic_1 = rdp->magic_1; 1956 break; 1957 1958 case AR_T_SPAN: 1959 meta->type = HPTV2_T_SPAN; 1960 strcpy(meta->name_2, "SPAN"); 1961 break; 1962 default: 1963 kfree(meta, M_AR); 1964 return ENODEV; 1965 } 1966 1967 meta->array_width = rdp->width; 1968 meta->stripe_shift = (rdp->width > 1) ? (ffs(rdp->interleave)-1) : 0; 1969 meta->total_sectors = rdp->total_sectors; 1970 meta->rebuild_lba = rdp->rebuild_lba; 1971 if (testing || bootverbose) 1972 ata_raid_hptv2_print_meta(meta); 1973 if (rdp->disks[disk].dev) { 1974 if (ata_raid_rw(rdp->disks[disk].dev, 1975 HPTV2_LBA(rdp->disks[disk].dev), meta, 1976 sizeof(struct promise_raid_conf), 1977 ATA_R_WRITE | ATA_R_DIRECT)) { 1978 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 1979 error = EIO; 1980 } 1981 } 1982 } 1983 kfree(meta, M_AR); 1984 return error; 1985 } 1986 1987 /* Highpoint V3 RocketRAID Metadata */ 1988 static int 1989 ata_raid_hptv3_read_meta(device_t dev, struct ar_softc **raidp) 1990 { 1991 struct ata_raid_subdisk *ars = device_get_softc(dev); 1992 device_t parent = device_get_parent(dev); 1993 struct hptv3_raid_conf *meta; 1994 struct ar_softc *raid = NULL; 1995 int array, disk_number, retval = 0; 1996 1997 meta = (struct hptv3_raid_conf *)kmalloc(sizeof(struct hptv3_raid_conf), 1998 M_AR, M_WAITOK | M_ZERO); 1999 2000 if (ata_raid_rw(parent, HPTV3_LBA(parent), 2001 meta, sizeof(struct hptv3_raid_conf), ATA_R_READ)) { 2002 if (testing || bootverbose) 2003 device_printf(parent, "HighPoint (v3) read metadata failed\n"); 2004 goto hptv3_out; 2005 } 2006 2007 /* check if this is a HighPoint v3 RAID struct */ 2008 if (meta->magic != HPTV3_MAGIC) { 2009 if (testing || bootverbose) 2010 device_printf(parent, "HighPoint (v3) check1 failed\n"); 2011 goto hptv3_out; 2012 } 2013 2014 /* check if there are any config_entries */ 2015 if (meta->config_entries < 1) { 2016 if (testing || bootverbose) 2017 device_printf(parent, "HighPoint (v3) check2 failed\n"); 2018 goto hptv3_out; 2019 } 2020 2021 if (testing || bootverbose) 2022 ata_raid_hptv3_print_meta(meta); 2023 2024 /* now convert HighPoint (v3) metadata into our generic form */ 2025 for (array = 0; array < MAX_ARRAYS; array++) { 2026 if (!raidp[array]) { 2027 raidp[array] = 2028 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2029 M_WAITOK | M_ZERO); 2030 } 2031 raid = raidp[array]; 2032 if (raid->format && (raid->format != AR_F_HPTV3_RAID)) 2033 continue; 2034 2035 if ((raid->format & AR_F_HPTV3_RAID) && raid->magic_0 != meta->magic_0) 2036 continue; 2037 2038 switch (meta->configs[0].type) { 2039 case HPTV3_T_RAID0: 2040 raid->type = AR_T_RAID0; 2041 raid->width = meta->configs[0].total_disks; 2042 disk_number = meta->configs[0].disk_number; 2043 break; 2044 2045 case HPTV3_T_RAID1: 2046 raid->type = AR_T_RAID1; 2047 raid->width = meta->configs[0].total_disks / 2; 2048 disk_number = meta->configs[0].disk_number; 2049 break; 2050 2051 case HPTV3_T_RAID5: 2052 raid->type = AR_T_RAID5; 2053 raid->width = meta->configs[0].total_disks; 2054 disk_number = meta->configs[0].disk_number; 2055 break; 2056 2057 case HPTV3_T_SPAN: 2058 raid->type = AR_T_SPAN; 2059 raid->width = meta->configs[0].total_disks; 2060 disk_number = meta->configs[0].disk_number; 2061 break; 2062 2063 default: 2064 device_printf(parent, "Highpoint (v3) unknown RAID type 0x%02x\n", 2065 meta->configs[0].type); 2066 kfree(raidp[array], M_AR); 2067 raidp[array] = NULL; 2068 goto hptv3_out; 2069 } 2070 if (meta->config_entries == 2) { 2071 switch (meta->configs[1].type) { 2072 case HPTV3_T_RAID1: 2073 if (raid->type == AR_T_RAID0) { 2074 raid->type = AR_T_RAID01; 2075 disk_number = meta->configs[1].disk_number + 2076 (meta->configs[0].disk_number << 1); 2077 break; 2078 } 2079 default: 2080 device_printf(parent, "Highpoint (v3) unknown level 2 0x%02x\n", 2081 meta->configs[1].type); 2082 kfree(raidp[array], M_AR); 2083 raidp[array] = NULL; 2084 goto hptv3_out; 2085 } 2086 } 2087 2088 raid->magic_0 = meta->magic_0; 2089 raid->format = AR_F_HPTV3_RAID; 2090 raid->generation = meta->timestamp; 2091 raid->interleave = 1 << meta->configs[0].stripe_shift; 2092 raid->total_disks = meta->configs[0].total_disks + 2093 meta->configs[1].total_disks; 2094 raid->total_sectors = meta->configs[0].total_sectors + 2095 ((u_int64_t)meta->configs_high[0].total_sectors << 32); 2096 raid->heads = 255; 2097 raid->sectors = 63; 2098 raid->cylinders = raid->total_sectors / (63 * 255); 2099 raid->offset_sectors = 0; 2100 raid->rebuild_lba = meta->configs[0].rebuild_lba + 2101 ((u_int64_t)meta->configs_high[0].rebuild_lba << 32); 2102 raid->lun = array; 2103 strncpy(raid->name, meta->name, 2104 min(sizeof(raid->name), sizeof(meta->name))); 2105 raid->disks[disk_number].sectors = raid->total_sectors / 2106 (raid->type == AR_T_RAID5 ? raid->width - 1 : raid->width); 2107 raid->disks[disk_number].dev = parent; 2108 raid->disks[disk_number].flags = 2109 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 2110 ars->raid[raid->volume] = raid; 2111 ars->disk_number[raid->volume] = disk_number; 2112 retval = 1; 2113 break; 2114 } 2115 2116 hptv3_out: 2117 kfree(meta, M_AR); 2118 return retval; 2119 } 2120 2121 /* Intel MatrixRAID Metadata */ 2122 static int 2123 ata_raid_intel_read_meta(device_t dev, struct ar_softc **raidp) 2124 { 2125 struct ata_raid_subdisk *ars = device_get_softc(dev); 2126 device_t parent = device_get_parent(dev); 2127 struct intel_raid_conf *meta; 2128 struct intel_raid_mapping *map; 2129 struct ar_softc *raid = NULL; 2130 u_int32_t checksum, *ptr; 2131 int array, count, disk, volume = 1, retval = 0; 2132 char *tmp; 2133 2134 meta = (struct intel_raid_conf *)kmalloc(1536, M_AR, M_WAITOK | M_ZERO); 2135 2136 if (ata_raid_rw(parent, INTEL_LBA(parent), meta, 1024, ATA_R_READ)) { 2137 if (testing || bootverbose) 2138 device_printf(parent, "Intel read metadata failed\n"); 2139 goto intel_out; 2140 } 2141 tmp = (char *)meta; 2142 bcopy(tmp, tmp+1024, 512); 2143 bcopy(tmp+512, tmp, 1024); 2144 bzero(tmp+1024, 512); 2145 2146 /* check if this is a Intel RAID struct */ 2147 if (strncmp(meta->intel_id, INTEL_MAGIC, strlen(INTEL_MAGIC))) { 2148 if (testing || bootverbose) 2149 device_printf(parent, "Intel check1 failed\n"); 2150 goto intel_out; 2151 } 2152 2153 for (checksum = 0, ptr = (u_int32_t *)meta, count = 0; 2154 count < (meta->config_size / sizeof(u_int32_t)); count++) { 2155 checksum += *ptr++; 2156 } 2157 checksum -= meta->checksum; 2158 if (checksum != meta->checksum) { 2159 if (testing || bootverbose) 2160 device_printf(parent, "Intel check2 failed\n"); 2161 goto intel_out; 2162 } 2163 2164 if (testing || bootverbose) 2165 ata_raid_intel_print_meta(meta); 2166 2167 map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks]; 2168 2169 /* now convert Intel metadata into our generic form */ 2170 for (array = 0; array < MAX_ARRAYS; array++) { 2171 if (!raidp[array]) { 2172 raidp[array] = 2173 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2174 M_WAITOK | M_ZERO); 2175 } 2176 raid = raidp[array]; 2177 if (raid->format && (raid->format != AR_F_INTEL_RAID)) 2178 continue; 2179 2180 if ((raid->format & AR_F_INTEL_RAID) && 2181 (raid->magic_0 != meta->config_id)) 2182 continue; 2183 2184 /* 2185 * update our knowledge about the array config based on generation 2186 * NOTE: there can be multiple volumes on a disk set 2187 */ 2188 if (!meta->generation || meta->generation > raid->generation) { 2189 switch (map->type) { 2190 case INTEL_T_RAID0: 2191 raid->type = AR_T_RAID0; 2192 raid->width = map->total_disks; 2193 break; 2194 2195 case INTEL_T_RAID1: 2196 if (map->total_disks == 4) 2197 raid->type = AR_T_RAID01; 2198 else 2199 raid->type = AR_T_RAID1; 2200 raid->width = map->total_disks / 2; 2201 break; 2202 2203 case INTEL_T_RAID5: 2204 raid->type = AR_T_RAID5; 2205 raid->width = map->total_disks; 2206 break; 2207 2208 default: 2209 device_printf(parent, "Intel unknown RAID type 0x%02x\n", 2210 map->type); 2211 kfree(raidp[array], M_AR); 2212 raidp[array] = NULL; 2213 goto intel_out; 2214 } 2215 2216 switch (map->status) { 2217 case INTEL_S_READY: 2218 raid->status = AR_S_READY; 2219 break; 2220 case INTEL_S_DEGRADED: 2221 raid->status |= AR_S_DEGRADED; 2222 break; 2223 case INTEL_S_DISABLED: 2224 case INTEL_S_FAILURE: 2225 raid->status = 0; 2226 } 2227 2228 raid->magic_0 = meta->config_id; 2229 raid->format = AR_F_INTEL_RAID; 2230 raid->generation = meta->generation; 2231 raid->interleave = map->stripe_sectors; 2232 raid->total_disks = map->total_disks; 2233 raid->total_sectors = map->total_sectors; 2234 raid->heads = 255; 2235 raid->sectors = 63; 2236 raid->cylinders = raid->total_sectors / (63 * 255); 2237 raid->offset_sectors = map->offset; 2238 raid->rebuild_lba = 0; 2239 raid->lun = array; 2240 raid->volume = volume - 1; 2241 strncpy(raid->name, map->name, 2242 min(sizeof(raid->name), sizeof(map->name))); 2243 2244 /* clear out any old info */ 2245 for (disk = 0; disk < raid->total_disks; disk++) { 2246 raid->disks[disk].dev = NULL; 2247 bcopy(meta->disk[map->disk_idx[disk]].serial, 2248 raid->disks[disk].serial, 2249 sizeof(raid->disks[disk].serial)); 2250 raid->disks[disk].sectors = 2251 meta->disk[map->disk_idx[disk]].sectors; 2252 raid->disks[disk].flags = 0; 2253 if (meta->disk[map->disk_idx[disk]].flags & INTEL_F_ONLINE) 2254 raid->disks[disk].flags |= AR_DF_ONLINE; 2255 if (meta->disk[map->disk_idx[disk]].flags & INTEL_F_ASSIGNED) 2256 raid->disks[disk].flags |= AR_DF_ASSIGNED; 2257 if (meta->disk[map->disk_idx[disk]].flags & INTEL_F_SPARE) { 2258 raid->disks[disk].flags &= ~(AR_DF_ONLINE | AR_DF_ASSIGNED); 2259 raid->disks[disk].flags |= AR_DF_SPARE; 2260 } 2261 if (meta->disk[map->disk_idx[disk]].flags & INTEL_F_DOWN) 2262 raid->disks[disk].flags &= ~AR_DF_ONLINE; 2263 } 2264 } 2265 if (meta->generation >= raid->generation) { 2266 for (disk = 0; disk < raid->total_disks; disk++) { 2267 struct ata_device *atadev = device_get_softc(parent); 2268 2269 if (!strncmp(raid->disks[disk].serial, atadev->param.serial, 2270 sizeof(raid->disks[disk].serial))) { 2271 raid->disks[disk].dev = parent; 2272 raid->disks[disk].flags |= (AR_DF_PRESENT | AR_DF_ONLINE); 2273 ars->raid[raid->volume] = raid; 2274 ars->disk_number[raid->volume] = disk; 2275 retval = 1; 2276 } 2277 } 2278 } 2279 else 2280 goto intel_out; 2281 2282 if (retval) { 2283 if (volume < meta->total_volumes) { 2284 map = (struct intel_raid_mapping *) 2285 &map->disk_idx[map->total_disks]; 2286 volume++; 2287 retval = 0; 2288 continue; 2289 } 2290 break; 2291 } 2292 else { 2293 kfree(raidp[array], M_AR); 2294 raidp[array] = NULL; 2295 if (volume == 2) 2296 retval = 1; 2297 } 2298 } 2299 2300 intel_out: 2301 kfree(meta, M_AR); 2302 return retval; 2303 } 2304 2305 static int 2306 ata_raid_intel_write_meta(struct ar_softc *rdp) 2307 { 2308 struct intel_raid_conf *meta; 2309 struct intel_raid_mapping *map; 2310 struct timeval timestamp; 2311 u_int32_t checksum, *ptr; 2312 int count, disk, error = 0; 2313 char *tmp; 2314 2315 meta = (struct intel_raid_conf *)kmalloc(1536, M_AR, M_WAITOK | M_ZERO); 2316 2317 rdp->generation++; 2318 2319 /* Generate a new config_id if none exists */ 2320 if (!rdp->magic_0) { 2321 microtime(×tamp); 2322 rdp->magic_0 = timestamp.tv_sec ^ timestamp.tv_usec; 2323 } 2324 2325 bcopy(INTEL_MAGIC, meta->intel_id, sizeof(meta->intel_id)); 2326 bcopy(INTEL_VERSION_1100, meta->version, sizeof(meta->version)); 2327 meta->config_id = rdp->magic_0; 2328 meta->generation = rdp->generation; 2329 meta->total_disks = rdp->total_disks; 2330 meta->total_volumes = 1; /* XXX SOS */ 2331 for (disk = 0; disk < rdp->total_disks; disk++) { 2332 if (rdp->disks[disk].dev) { 2333 struct ata_channel *ch = 2334 device_get_softc(device_get_parent(rdp->disks[disk].dev)); 2335 struct ata_device *atadev = 2336 device_get_softc(rdp->disks[disk].dev); 2337 2338 bcopy(atadev->param.serial, meta->disk[disk].serial, 2339 sizeof(rdp->disks[disk].serial)); 2340 meta->disk[disk].sectors = rdp->disks[disk].sectors; 2341 meta->disk[disk].id = (ch->unit << 16) | ATA_DEV(atadev->unit); 2342 } 2343 else 2344 meta->disk[disk].sectors = rdp->total_sectors / rdp->width; 2345 meta->disk[disk].flags = 0; 2346 if (rdp->disks[disk].flags & AR_DF_SPARE) 2347 meta->disk[disk].flags |= INTEL_F_SPARE; 2348 else { 2349 if (rdp->disks[disk].flags & AR_DF_ONLINE) 2350 meta->disk[disk].flags |= INTEL_F_ONLINE; 2351 else 2352 meta->disk[disk].flags |= INTEL_F_DOWN; 2353 if (rdp->disks[disk].flags & AR_DF_ASSIGNED) 2354 meta->disk[disk].flags |= INTEL_F_ASSIGNED; 2355 } 2356 } 2357 map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks]; 2358 2359 bcopy(rdp->name, map->name, sizeof(rdp->name)); 2360 map->total_sectors = rdp->total_sectors; 2361 map->state = 12; /* XXX SOS */ 2362 map->offset = rdp->offset_sectors; 2363 map->stripe_count = rdp->total_sectors / (rdp->interleave*rdp->total_disks); 2364 map->stripe_sectors = rdp->interleave; 2365 map->disk_sectors = rdp->total_sectors / rdp->width; 2366 map->status = INTEL_S_READY; /* XXX SOS */ 2367 switch (rdp->type) { 2368 case AR_T_RAID0: 2369 map->type = INTEL_T_RAID0; 2370 break; 2371 case AR_T_RAID1: 2372 map->type = INTEL_T_RAID1; 2373 break; 2374 case AR_T_RAID01: 2375 map->type = INTEL_T_RAID1; 2376 break; 2377 case AR_T_RAID5: 2378 map->type = INTEL_T_RAID5; 2379 break; 2380 default: 2381 kfree(meta, M_AR); 2382 return ENODEV; 2383 } 2384 map->total_disks = rdp->total_disks; 2385 map->magic[0] = 0x02; 2386 map->magic[1] = 0xff; 2387 map->magic[2] = 0x01; 2388 for (disk = 0; disk < rdp->total_disks; disk++) 2389 map->disk_idx[disk] = disk; 2390 2391 meta->config_size = (char *)&map->disk_idx[disk] - (char *)meta; 2392 for (checksum = 0, ptr = (u_int32_t *)meta, count = 0; 2393 count < (meta->config_size / sizeof(u_int32_t)); count++) { 2394 checksum += *ptr++; 2395 } 2396 meta->checksum = checksum; 2397 2398 if (testing || bootverbose) 2399 ata_raid_intel_print_meta(meta); 2400 2401 tmp = (char *)meta; 2402 bcopy(tmp, tmp+1024, 512); 2403 bcopy(tmp+512, tmp, 1024); 2404 bzero(tmp+1024, 512); 2405 2406 for (disk = 0; disk < rdp->total_disks; disk++) { 2407 if (rdp->disks[disk].dev) { 2408 if (ata_raid_rw(rdp->disks[disk].dev, 2409 INTEL_LBA(rdp->disks[disk].dev), 2410 meta, 1024, ATA_R_WRITE | ATA_R_DIRECT)) { 2411 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 2412 error = EIO; 2413 } 2414 } 2415 } 2416 kfree(meta, M_AR); 2417 return error; 2418 } 2419 2420 2421 /* Integrated Technology Express Metadata */ 2422 static int 2423 ata_raid_ite_read_meta(device_t dev, struct ar_softc **raidp) 2424 { 2425 struct ata_raid_subdisk *ars = device_get_softc(dev); 2426 device_t parent = device_get_parent(dev); 2427 struct ite_raid_conf *meta; 2428 struct ar_softc *raid = NULL; 2429 int array, disk_number, count, retval = 0; 2430 u_int16_t *ptr; 2431 2432 meta = (struct ite_raid_conf *)kmalloc(sizeof(struct ite_raid_conf), M_AR, 2433 M_WAITOK | M_ZERO); 2434 2435 if (ata_raid_rw(parent, ITE_LBA(parent), 2436 meta, sizeof(struct ite_raid_conf), ATA_R_READ)) { 2437 if (testing || bootverbose) 2438 device_printf(parent, "ITE read metadata failed\n"); 2439 goto ite_out; 2440 } 2441 2442 /* check if this is a ITE RAID struct */ 2443 for (ptr = (u_int16_t *)meta->ite_id, count = 0; 2444 count < sizeof(meta->ite_id)/sizeof(uint16_t); count++) 2445 ptr[count] = be16toh(ptr[count]); 2446 2447 if (strncmp(meta->ite_id, ITE_MAGIC, strlen(ITE_MAGIC))) { 2448 if (testing || bootverbose) 2449 device_printf(parent, "ITE check1 failed\n"); 2450 goto ite_out; 2451 } 2452 2453 if (testing || bootverbose) 2454 ata_raid_ite_print_meta(meta); 2455 2456 /* now convert ITE metadata into our generic form */ 2457 for (array = 0; array < MAX_ARRAYS; array++) { 2458 if ((raid = raidp[array])) { 2459 if (raid->format != AR_F_ITE_RAID) 2460 continue; 2461 if (raid->magic_0 != *((u_int64_t *)meta->timestamp_0)) 2462 continue; 2463 } 2464 2465 /* if we dont have a disks timestamp the RAID is invalidated */ 2466 if (*((u_int64_t *)meta->timestamp_1) == 0) 2467 goto ite_out; 2468 2469 if (!raid) { 2470 raidp[array] = (struct ar_softc *)kmalloc(sizeof(struct ar_softc), 2471 M_AR, M_WAITOK | M_ZERO); 2472 } 2473 2474 switch (meta->type) { 2475 case ITE_T_RAID0: 2476 raid->type = AR_T_RAID0; 2477 raid->width = meta->array_width; 2478 raid->total_disks = meta->array_width; 2479 disk_number = meta->disk_number; 2480 break; 2481 2482 case ITE_T_RAID1: 2483 raid->type = AR_T_RAID1; 2484 raid->width = 1; 2485 raid->total_disks = 2; 2486 disk_number = meta->disk_number; 2487 break; 2488 2489 case ITE_T_RAID01: 2490 raid->type = AR_T_RAID01; 2491 raid->width = meta->array_width; 2492 raid->total_disks = 4; 2493 disk_number = ((meta->disk_number & 0x02) >> 1) | 2494 ((meta->disk_number & 0x01) << 1); 2495 break; 2496 2497 case ITE_T_SPAN: 2498 raid->type = AR_T_SPAN; 2499 raid->width = 1; 2500 raid->total_disks = meta->array_width; 2501 disk_number = meta->disk_number; 2502 break; 2503 2504 default: 2505 device_printf(parent, "ITE unknown RAID type 0x%02x\n", meta->type); 2506 kfree(raidp[array], M_AR); 2507 raidp[array] = NULL; 2508 goto ite_out; 2509 } 2510 2511 raid->magic_0 = *((u_int64_t *)meta->timestamp_0); 2512 raid->format = AR_F_ITE_RAID; 2513 raid->generation = 0; 2514 raid->interleave = meta->stripe_sectors; 2515 raid->total_sectors = meta->total_sectors; 2516 raid->heads = 255; 2517 raid->sectors = 63; 2518 raid->cylinders = raid->total_sectors / (63 * 255); 2519 raid->offset_sectors = 0; 2520 raid->rebuild_lba = 0; 2521 raid->lun = array; 2522 2523 raid->disks[disk_number].dev = parent; 2524 raid->disks[disk_number].sectors = raid->total_sectors / raid->width; 2525 raid->disks[disk_number].flags = 2526 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 2527 ars->raid[raid->volume] = raid; 2528 ars->disk_number[raid->volume] = disk_number; 2529 retval = 1; 2530 break; 2531 } 2532 ite_out: 2533 kfree(meta, M_AR); 2534 return retval; 2535 } 2536 2537 /* JMicron Technology Corp Metadata */ 2538 static int 2539 ata_raid_jmicron_read_meta(device_t dev, struct ar_softc **raidp) 2540 { 2541 struct ata_raid_subdisk *ars = device_get_softc(dev); 2542 device_t parent = device_get_parent(dev); 2543 struct jmicron_raid_conf *meta; 2544 struct ar_softc *raid = NULL; 2545 u_int16_t checksum, *ptr; 2546 u_int64_t disk_size; 2547 int count, array, disk, total_disks, retval = 0; 2548 2549 meta = (struct jmicron_raid_conf *) 2550 kmalloc(sizeof(struct jmicron_raid_conf), M_AR, M_WAITOK | M_ZERO); 2551 2552 if (ata_raid_rw(parent, JMICRON_LBA(parent), 2553 meta, sizeof(struct jmicron_raid_conf), ATA_R_READ)) { 2554 if (testing || bootverbose) 2555 device_printf(parent, 2556 "JMicron read metadata failed\n"); 2557 } 2558 2559 /* check for JMicron signature */ 2560 if (strncmp(meta->signature, JMICRON_MAGIC, 2)) { 2561 if (testing || bootverbose) 2562 device_printf(parent, "JMicron check1 failed\n"); 2563 goto jmicron_out; 2564 } 2565 2566 /* calculate checksum and compare for valid */ 2567 for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 64; count++) 2568 checksum += *ptr++; 2569 if (checksum) { 2570 if (testing || bootverbose) 2571 device_printf(parent, "JMicron check2 failed\n"); 2572 goto jmicron_out; 2573 } 2574 2575 if (testing || bootverbose) 2576 ata_raid_jmicron_print_meta(meta); 2577 2578 /* now convert JMicron meta into our generic form */ 2579 for (array = 0; array < MAX_ARRAYS; array++) { 2580 jmicron_next: 2581 if (!raidp[array]) { 2582 raidp[array] = 2583 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2584 M_WAITOK | M_ZERO); 2585 } 2586 raid = raidp[array]; 2587 if (raid->format && (raid->format != AR_F_JMICRON_RAID)) 2588 continue; 2589 2590 for (total_disks = 0, disk = 0; disk < JM_MAX_DISKS; disk++) { 2591 if (meta->disks[disk]) { 2592 if (raid->format == AR_F_JMICRON_RAID) { 2593 if (bcmp(&meta->disks[disk], 2594 raid->disks[disk].serial, sizeof(u_int32_t))) { 2595 array++; 2596 goto jmicron_next; 2597 } 2598 } 2599 else 2600 bcopy(&meta->disks[disk], 2601 raid->disks[disk].serial, sizeof(u_int32_t)); 2602 total_disks++; 2603 } 2604 } 2605 /* handle spares XXX SOS */ 2606 2607 switch (meta->type) { 2608 case JM_T_RAID0: 2609 raid->type = AR_T_RAID0; 2610 raid->width = total_disks; 2611 break; 2612 2613 case JM_T_RAID1: 2614 raid->type = AR_T_RAID1; 2615 raid->width = 1; 2616 break; 2617 2618 case JM_T_RAID01: 2619 raid->type = AR_T_RAID01; 2620 raid->width = total_disks / 2; 2621 break; 2622 2623 case JM_T_RAID5: 2624 raid->type = AR_T_RAID5; 2625 raid->width = total_disks; 2626 break; 2627 2628 case JM_T_JBOD: 2629 raid->type = AR_T_SPAN; 2630 raid->width = 1; 2631 break; 2632 2633 default: 2634 device_printf(parent, 2635 "JMicron unknown RAID type 0x%02x\n", meta->type); 2636 kfree(raidp[array], M_AR); 2637 raidp[array] = NULL; 2638 goto jmicron_out; 2639 } 2640 disk_size = (meta->disk_sectors_high << 16) + meta->disk_sectors_low; 2641 raid->format = AR_F_JMICRON_RAID; 2642 strncpy(raid->name, meta->name, sizeof(meta->name)); 2643 raid->generation = 0; 2644 raid->interleave = 2 << meta->stripe_shift; 2645 raid->total_disks = total_disks; 2646 raid->total_sectors = disk_size * (raid->width-(raid->type==AR_RAID5)); 2647 raid->heads = 255; 2648 raid->sectors = 63; 2649 raid->cylinders = raid->total_sectors / (63 * 255); 2650 raid->offset_sectors = meta->offset * 16; 2651 raid->rebuild_lba = 0; 2652 raid->lun = array; 2653 2654 for (disk = 0; disk < raid->total_disks; disk++) { 2655 if (meta->disks[disk] == meta->disk_id) { 2656 raid->disks[disk].dev = parent; 2657 raid->disks[disk].sectors = disk_size; 2658 raid->disks[disk].flags = 2659 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 2660 ars->raid[raid->volume] = raid; 2661 ars->disk_number[raid->volume] = disk; 2662 retval = 1; 2663 break; 2664 } 2665 } 2666 break; 2667 } 2668 jmicron_out: 2669 kfree(meta, M_AR); 2670 return retval; 2671 } 2672 2673 static int 2674 ata_raid_jmicron_write_meta(struct ar_softc *rdp) 2675 { 2676 struct jmicron_raid_conf *meta; 2677 u_int64_t disk_sectors; 2678 int disk, error = 0; 2679 2680 meta = (struct jmicron_raid_conf *) 2681 kmalloc(sizeof(struct jmicron_raid_conf), M_AR, M_WAITOK | M_ZERO); 2682 2683 rdp->generation++; 2684 switch (rdp->type) { 2685 case AR_T_JBOD: 2686 meta->type = JM_T_JBOD; 2687 break; 2688 2689 case AR_T_RAID0: 2690 meta->type = JM_T_RAID0; 2691 break; 2692 2693 case AR_T_RAID1: 2694 meta->type = JM_T_RAID1; 2695 break; 2696 2697 case AR_T_RAID5: 2698 meta->type = JM_T_RAID5; 2699 break; 2700 2701 case AR_T_RAID01: 2702 meta->type = JM_T_RAID01; 2703 break; 2704 2705 default: 2706 kfree(meta, M_AR); 2707 return ENODEV; 2708 } 2709 bcopy(JMICRON_MAGIC, meta->signature, sizeof(JMICRON_MAGIC)); 2710 meta->version = JMICRON_VERSION; 2711 meta->offset = rdp->offset_sectors / 16; 2712 disk_sectors = rdp->total_sectors / (rdp->width - (rdp->type == AR_RAID5)); 2713 meta->disk_sectors_low = disk_sectors & 0xffff; 2714 meta->disk_sectors_high = disk_sectors >> 16; 2715 strncpy(meta->name, rdp->name, sizeof(meta->name)); 2716 meta->stripe_shift = ffs(rdp->interleave) - 2; 2717 2718 for (disk = 0; disk < rdp->total_disks; disk++) { 2719 if (rdp->disks[disk].serial[0]) 2720 bcopy(rdp->disks[disk].serial,&meta->disks[disk],sizeof(u_int32_t)); 2721 else 2722 meta->disks[disk] = (u_int32_t)(uintptr_t)rdp->disks[disk].dev; 2723 } 2724 2725 for (disk = 0; disk < rdp->total_disks; disk++) { 2726 if (rdp->disks[disk].dev) { 2727 u_int16_t checksum = 0, *ptr; 2728 int count; 2729 2730 meta->disk_id = meta->disks[disk]; 2731 meta->checksum = 0; 2732 for (ptr = (u_int16_t *)meta, count = 0; count < 64; count++) 2733 checksum += *ptr++; 2734 meta->checksum -= checksum; 2735 2736 if (testing || bootverbose) 2737 ata_raid_jmicron_print_meta(meta); 2738 2739 if (ata_raid_rw(rdp->disks[disk].dev, 2740 JMICRON_LBA(rdp->disks[disk].dev), 2741 meta, sizeof(struct jmicron_raid_conf), 2742 ATA_R_WRITE | ATA_R_DIRECT)) { 2743 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 2744 error = EIO; 2745 } 2746 } 2747 } 2748 /* handle spares XXX SOS */ 2749 2750 kfree(meta, M_AR); 2751 return error; 2752 } 2753 2754 /* LSILogic V2 MegaRAID Metadata */ 2755 static int 2756 ata_raid_lsiv2_read_meta(device_t dev, struct ar_softc **raidp) 2757 { 2758 struct ata_raid_subdisk *ars = device_get_softc(dev); 2759 device_t parent = device_get_parent(dev); 2760 struct lsiv2_raid_conf *meta; 2761 struct ar_softc *raid = NULL; 2762 int array, retval = 0; 2763 2764 meta = (struct lsiv2_raid_conf *)kmalloc(sizeof(struct lsiv2_raid_conf), 2765 M_AR, M_WAITOK | M_ZERO); 2766 2767 if (ata_raid_rw(parent, LSIV2_LBA(parent), 2768 meta, sizeof(struct lsiv2_raid_conf), ATA_R_READ)) { 2769 if (testing || bootverbose) 2770 device_printf(parent, "LSI (v2) read metadata failed\n"); 2771 goto lsiv2_out; 2772 } 2773 2774 /* check if this is a LSI RAID struct */ 2775 if (strncmp(meta->lsi_id, LSIV2_MAGIC, strlen(LSIV2_MAGIC))) { 2776 if (testing || bootverbose) 2777 device_printf(parent, "LSI (v2) check1 failed\n"); 2778 goto lsiv2_out; 2779 } 2780 2781 if (testing || bootverbose) 2782 ata_raid_lsiv2_print_meta(meta); 2783 2784 /* now convert LSI (v2) config meta into our generic form */ 2785 for (array = 0; array < MAX_ARRAYS; array++) { 2786 int raid_entry, conf_entry; 2787 2788 if (!raidp[array + meta->raid_number]) { 2789 raidp[array + meta->raid_number] = 2790 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2791 M_WAITOK | M_ZERO); 2792 } 2793 raid = raidp[array + meta->raid_number]; 2794 if (raid->format && (raid->format != AR_F_LSIV2_RAID)) 2795 continue; 2796 2797 if (raid->magic_0 && 2798 ((raid->magic_0 != meta->timestamp) || 2799 (raid->magic_1 != meta->raid_number))) 2800 continue; 2801 2802 array += meta->raid_number; 2803 2804 raid_entry = meta->raid_number; 2805 conf_entry = (meta->configs[raid_entry].raid.config_offset >> 4) + 2806 meta->disk_number - 1; 2807 2808 switch (meta->configs[raid_entry].raid.type) { 2809 case LSIV2_T_RAID0: 2810 raid->magic_0 = meta->timestamp; 2811 raid->magic_1 = meta->raid_number; 2812 raid->type = AR_T_RAID0; 2813 raid->interleave = meta->configs[raid_entry].raid.stripe_sectors; 2814 raid->width = meta->configs[raid_entry].raid.array_width; 2815 break; 2816 2817 case LSIV2_T_RAID1: 2818 raid->magic_0 = meta->timestamp; 2819 raid->magic_1 = meta->raid_number; 2820 raid->type = AR_T_RAID1; 2821 raid->width = meta->configs[raid_entry].raid.array_width; 2822 break; 2823 2824 case LSIV2_T_RAID0 | LSIV2_T_RAID1: 2825 raid->magic_0 = meta->timestamp; 2826 raid->magic_1 = meta->raid_number; 2827 raid->type = AR_T_RAID01; 2828 raid->interleave = meta->configs[raid_entry].raid.stripe_sectors; 2829 raid->width = meta->configs[raid_entry].raid.array_width; 2830 break; 2831 2832 default: 2833 device_printf(parent, "LSI v2 unknown RAID type 0x%02x\n", 2834 meta->configs[raid_entry].raid.type); 2835 kfree(raidp[array], M_AR); 2836 raidp[array] = NULL; 2837 goto lsiv2_out; 2838 } 2839 2840 raid->format = AR_F_LSIV2_RAID; 2841 raid->generation = 0; 2842 raid->total_disks = meta->configs[raid_entry].raid.disk_count; 2843 raid->total_sectors = meta->configs[raid_entry].raid.total_sectors; 2844 raid->heads = 255; 2845 raid->sectors = 63; 2846 raid->cylinders = raid->total_sectors / (63 * 255); 2847 raid->offset_sectors = 0; 2848 raid->rebuild_lba = 0; 2849 raid->lun = array; 2850 2851 if (meta->configs[conf_entry].disk.device != LSIV2_D_NONE) { 2852 raid->disks[meta->disk_number].dev = parent; 2853 raid->disks[meta->disk_number].sectors = 2854 meta->configs[conf_entry].disk.disk_sectors; 2855 raid->disks[meta->disk_number].flags = 2856 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 2857 ars->raid[raid->volume] = raid; 2858 ars->disk_number[raid->volume] = meta->disk_number; 2859 retval = 1; 2860 } 2861 else 2862 raid->disks[meta->disk_number].flags &= ~AR_DF_ONLINE; 2863 2864 break; 2865 } 2866 2867 lsiv2_out: 2868 kfree(meta, M_AR); 2869 return retval; 2870 } 2871 2872 /* LSILogic V3 MegaRAID Metadata */ 2873 static int 2874 ata_raid_lsiv3_read_meta(device_t dev, struct ar_softc **raidp) 2875 { 2876 struct ata_raid_subdisk *ars = device_get_softc(dev); 2877 device_t parent = device_get_parent(dev); 2878 struct lsiv3_raid_conf *meta; 2879 struct ar_softc *raid = NULL; 2880 u_int8_t checksum, *ptr; 2881 int array, entry, count, disk_number, retval = 0; 2882 2883 meta = (struct lsiv3_raid_conf *)kmalloc(sizeof(struct lsiv3_raid_conf), 2884 M_AR, M_WAITOK | M_ZERO); 2885 2886 if (ata_raid_rw(parent, LSIV3_LBA(parent), 2887 meta, sizeof(struct lsiv3_raid_conf), ATA_R_READ)) { 2888 if (testing || bootverbose) 2889 device_printf(parent, "LSI (v3) read metadata failed\n"); 2890 goto lsiv3_out; 2891 } 2892 2893 /* check if this is a LSI RAID struct */ 2894 if (strncmp(meta->lsi_id, LSIV3_MAGIC, strlen(LSIV3_MAGIC))) { 2895 if (testing || bootverbose) 2896 device_printf(parent, "LSI (v3) check1 failed\n"); 2897 goto lsiv3_out; 2898 } 2899 2900 /* check if the checksum is OK */ 2901 for (checksum = 0, ptr = meta->lsi_id, count = 0; count < 512; count++) 2902 checksum += *ptr++; 2903 if (checksum) { 2904 if (testing || bootverbose) 2905 device_printf(parent, "LSI (v3) check2 failed\n"); 2906 goto lsiv3_out; 2907 } 2908 2909 if (testing || bootverbose) 2910 ata_raid_lsiv3_print_meta(meta); 2911 2912 /* now convert LSI (v3) config meta into our generic form */ 2913 for (array = 0, entry = 0; array < MAX_ARRAYS && entry < 8;) { 2914 if (!raidp[array]) { 2915 raidp[array] = 2916 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2917 M_WAITOK | M_ZERO); 2918 } 2919 raid = raidp[array]; 2920 if (raid->format && (raid->format != AR_F_LSIV3_RAID)) { 2921 array++; 2922 continue; 2923 } 2924 2925 if ((raid->format == AR_F_LSIV3_RAID) && 2926 (raid->magic_0 != meta->timestamp)) { 2927 array++; 2928 continue; 2929 } 2930 2931 switch (meta->raid[entry].total_disks) { 2932 case 0: 2933 entry++; 2934 continue; 2935 case 1: 2936 if (meta->raid[entry].device == meta->device) { 2937 disk_number = 0; 2938 break; 2939 } 2940 if (raid->format) 2941 array++; 2942 entry++; 2943 continue; 2944 case 2: 2945 disk_number = (meta->device & (LSIV3_D_DEVICE|LSIV3_D_CHANNEL))?1:0; 2946 break; 2947 default: 2948 device_printf(parent, "lsiv3 > 2 disk support untested!!\n"); 2949 disk_number = (meta->device & LSIV3_D_DEVICE ? 1 : 0) + 2950 (meta->device & LSIV3_D_CHANNEL ? 2 : 0); 2951 break; 2952 } 2953 2954 switch (meta->raid[entry].type) { 2955 case LSIV3_T_RAID0: 2956 raid->type = AR_T_RAID0; 2957 raid->width = meta->raid[entry].total_disks; 2958 break; 2959 2960 case LSIV3_T_RAID1: 2961 raid->type = AR_T_RAID1; 2962 raid->width = meta->raid[entry].array_width; 2963 break; 2964 2965 default: 2966 device_printf(parent, "LSI v3 unknown RAID type 0x%02x\n", 2967 meta->raid[entry].type); 2968 kfree(raidp[array], M_AR); 2969 raidp[array] = NULL; 2970 entry++; 2971 continue; 2972 } 2973 2974 raid->magic_0 = meta->timestamp; 2975 raid->format = AR_F_LSIV3_RAID; 2976 raid->generation = 0; 2977 raid->interleave = meta->raid[entry].stripe_pages * 8; 2978 raid->total_disks = meta->raid[entry].total_disks; 2979 raid->total_sectors = raid->width * meta->raid[entry].sectors; 2980 raid->heads = 255; 2981 raid->sectors = 63; 2982 raid->cylinders = raid->total_sectors / (63 * 255); 2983 raid->offset_sectors = meta->raid[entry].offset; 2984 raid->rebuild_lba = 0; 2985 raid->lun = array; 2986 2987 raid->disks[disk_number].dev = parent; 2988 raid->disks[disk_number].sectors = raid->total_sectors / raid->width; 2989 raid->disks[disk_number].flags = 2990 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 2991 ars->raid[raid->volume] = raid; 2992 ars->disk_number[raid->volume] = disk_number; 2993 retval = 1; 2994 entry++; 2995 array++; 2996 } 2997 2998 lsiv3_out: 2999 kfree(meta, M_AR); 3000 return retval; 3001 } 3002 3003 /* nVidia MediaShield Metadata */ 3004 static int 3005 ata_raid_nvidia_read_meta(device_t dev, struct ar_softc **raidp) 3006 { 3007 struct ata_raid_subdisk *ars = device_get_softc(dev); 3008 device_t parent = device_get_parent(dev); 3009 struct nvidia_raid_conf *meta; 3010 struct ar_softc *raid = NULL; 3011 u_int32_t checksum, *ptr; 3012 int array, count, retval = 0; 3013 3014 meta = (struct nvidia_raid_conf *)kmalloc(sizeof(struct nvidia_raid_conf), 3015 M_AR, M_WAITOK | M_ZERO); 3016 3017 if (ata_raid_rw(parent, NVIDIA_LBA(parent), 3018 meta, sizeof(struct nvidia_raid_conf), ATA_R_READ)) { 3019 if (testing || bootverbose) 3020 device_printf(parent, "nVidia read metadata failed\n"); 3021 goto nvidia_out; 3022 } 3023 3024 /* check if this is a nVidia RAID struct */ 3025 if (strncmp(meta->nvidia_id, NV_MAGIC, strlen(NV_MAGIC))) { 3026 if (testing || bootverbose) 3027 device_printf(parent, "nVidia check1 failed\n"); 3028 goto nvidia_out; 3029 } 3030 3031 /* check if the checksum is OK */ 3032 for (checksum = 0, ptr = (u_int32_t*)meta, count = 0; 3033 count < meta->config_size; count++) 3034 checksum += *ptr++; 3035 if (checksum) { 3036 if (testing || bootverbose) 3037 device_printf(parent, "nVidia check2 failed\n"); 3038 goto nvidia_out; 3039 } 3040 3041 if (testing || bootverbose) 3042 ata_raid_nvidia_print_meta(meta); 3043 3044 /* now convert nVidia meta into our generic form */ 3045 for (array = 0; array < MAX_ARRAYS; array++) { 3046 if (!raidp[array]) { 3047 raidp[array] = 3048 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3049 M_WAITOK | M_ZERO); 3050 } 3051 raid = raidp[array]; 3052 if (raid->format && (raid->format != AR_F_NVIDIA_RAID)) 3053 continue; 3054 3055 if (raid->format == AR_F_NVIDIA_RAID && 3056 ((raid->magic_0 != meta->magic_1) || 3057 (raid->magic_1 != meta->magic_2))) { 3058 continue; 3059 } 3060 3061 switch (meta->type) { 3062 case NV_T_SPAN: 3063 raid->type = AR_T_SPAN; 3064 break; 3065 3066 case NV_T_RAID0: 3067 raid->type = AR_T_RAID0; 3068 break; 3069 3070 case NV_T_RAID1: 3071 raid->type = AR_T_RAID1; 3072 break; 3073 3074 case NV_T_RAID5: 3075 raid->type = AR_T_RAID5; 3076 break; 3077 3078 case NV_T_RAID01: 3079 raid->type = AR_T_RAID01; 3080 break; 3081 3082 default: 3083 device_printf(parent, "nVidia unknown RAID type 0x%02x\n", 3084 meta->type); 3085 kfree(raidp[array], M_AR); 3086 raidp[array] = NULL; 3087 goto nvidia_out; 3088 } 3089 raid->magic_0 = meta->magic_1; 3090 raid->magic_1 = meta->magic_2; 3091 raid->format = AR_F_NVIDIA_RAID; 3092 raid->generation = 0; 3093 raid->interleave = meta->stripe_sectors; 3094 raid->width = meta->array_width; 3095 raid->total_disks = meta->total_disks; 3096 raid->total_sectors = meta->total_sectors; 3097 raid->heads = 255; 3098 raid->sectors = 63; 3099 raid->cylinders = raid->total_sectors / (63 * 255); 3100 raid->offset_sectors = 0; 3101 raid->rebuild_lba = meta->rebuild_lba; 3102 raid->lun = array; 3103 raid->status = AR_S_READY; 3104 if (meta->status & NV_S_DEGRADED) 3105 raid->status |= AR_S_DEGRADED; 3106 3107 raid->disks[meta->disk_number].dev = parent; 3108 raid->disks[meta->disk_number].sectors = 3109 raid->total_sectors / raid->width; 3110 raid->disks[meta->disk_number].flags = 3111 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 3112 ars->raid[raid->volume] = raid; 3113 ars->disk_number[raid->volume] = meta->disk_number; 3114 retval = 1; 3115 break; 3116 } 3117 3118 nvidia_out: 3119 kfree(meta, M_AR); 3120 return retval; 3121 } 3122 3123 /* Promise FastTrak Metadata */ 3124 static int 3125 ata_raid_promise_read_meta(device_t dev, struct ar_softc **raidp, int native) 3126 { 3127 struct ata_raid_subdisk *ars = device_get_softc(dev); 3128 device_t parent = device_get_parent(dev); 3129 struct promise_raid_conf *meta; 3130 struct ar_softc *raid; 3131 u_int32_t checksum, *ptr; 3132 int array, count, disk, disksum = 0, retval = 0; 3133 3134 meta = (struct promise_raid_conf *) 3135 kmalloc(sizeof(struct promise_raid_conf), M_AR, M_WAITOK | M_ZERO); 3136 3137 if (ata_raid_rw(parent, PROMISE_LBA(parent), 3138 meta, sizeof(struct promise_raid_conf), ATA_R_READ)) { 3139 if (testing || bootverbose) 3140 device_printf(parent, "%s read metadata failed\n", 3141 native ? "FreeBSD" : "Promise"); 3142 goto promise_out; 3143 } 3144 3145 /* check the signature */ 3146 if (native) { 3147 if (strncmp(meta->promise_id, ATA_MAGIC, strlen(ATA_MAGIC))) { 3148 if (testing || bootverbose) 3149 device_printf(parent, "FreeBSD check1 failed\n"); 3150 goto promise_out; 3151 } 3152 } 3153 else { 3154 if (strncmp(meta->promise_id, PR_MAGIC, strlen(PR_MAGIC))) { 3155 if (testing || bootverbose) 3156 device_printf(parent, "Promise check1 failed\n"); 3157 goto promise_out; 3158 } 3159 } 3160 3161 /* check if the checksum is OK */ 3162 for (checksum = 0, ptr = (u_int32_t *)meta, count = 0; count < 511; count++) 3163 checksum += *ptr++; 3164 if (checksum != *ptr) { 3165 if (testing || bootverbose) 3166 device_printf(parent, "%s check2 failed\n", 3167 native ? "FreeBSD" : "Promise"); 3168 goto promise_out; 3169 } 3170 3171 /* check on disk integrity status */ 3172 if (meta->raid.integrity != PR_I_VALID) { 3173 if (testing || bootverbose) 3174 device_printf(parent, "%s check3 failed\n", 3175 native ? "FreeBSD" : "Promise"); 3176 goto promise_out; 3177 } 3178 3179 if (testing || bootverbose) 3180 ata_raid_promise_print_meta(meta); 3181 3182 /* now convert Promise metadata into our generic form */ 3183 for (array = 0; array < MAX_ARRAYS; array++) { 3184 if (!raidp[array]) { 3185 raidp[array] = 3186 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3187 M_WAITOK | M_ZERO); 3188 } 3189 raid = raidp[array]; 3190 if (raid->format && 3191 (raid->format != (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID))) 3192 continue; 3193 3194 if ((raid->format == (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID))&& 3195 !(meta->raid.magic_1 == (raid->magic_1))) 3196 continue; 3197 3198 /* update our knowledge about the array config based on generation */ 3199 if (!meta->raid.generation || meta->raid.generation > raid->generation){ 3200 switch (meta->raid.type) { 3201 case PR_T_SPAN: 3202 raid->type = AR_T_SPAN; 3203 break; 3204 3205 case PR_T_JBOD: 3206 raid->type = AR_T_JBOD; 3207 break; 3208 3209 case PR_T_RAID0: 3210 raid->type = AR_T_RAID0; 3211 break; 3212 3213 case PR_T_RAID1: 3214 raid->type = AR_T_RAID1; 3215 if (meta->raid.array_width > 1) 3216 raid->type = AR_T_RAID01; 3217 break; 3218 3219 case PR_T_RAID5: 3220 raid->type = AR_T_RAID5; 3221 break; 3222 3223 default: 3224 device_printf(parent, "%s unknown RAID type 0x%02x\n", 3225 native ? "FreeBSD" : "Promise", meta->raid.type); 3226 kfree(raidp[array], M_AR); 3227 raidp[array] = NULL; 3228 goto promise_out; 3229 } 3230 raid->magic_1 = meta->raid.magic_1; 3231 raid->format = (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID); 3232 raid->generation = meta->raid.generation; 3233 raid->interleave = 1 << meta->raid.stripe_shift; 3234 raid->width = meta->raid.array_width; 3235 raid->total_disks = meta->raid.total_disks; 3236 raid->heads = meta->raid.heads + 1; 3237 raid->sectors = meta->raid.sectors; 3238 raid->cylinders = meta->raid.cylinders + 1; 3239 raid->total_sectors = meta->raid.total_sectors; 3240 raid->offset_sectors = 0; 3241 raid->rebuild_lba = meta->raid.rebuild_lba; 3242 raid->lun = array; 3243 if ((meta->raid.status & 3244 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY)) == 3245 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY)) { 3246 raid->status |= AR_S_READY; 3247 if (meta->raid.status & PR_S_DEGRADED) 3248 raid->status |= AR_S_DEGRADED; 3249 } 3250 else 3251 raid->status &= ~AR_S_READY; 3252 3253 /* convert disk flags to our internal types */ 3254 for (disk = 0; disk < meta->raid.total_disks; disk++) { 3255 raid->disks[disk].dev = NULL; 3256 raid->disks[disk].flags = 0; 3257 *((u_int64_t *)(raid->disks[disk].serial)) = 3258 meta->raid.disk[disk].magic_0; 3259 disksum += meta->raid.disk[disk].flags; 3260 if (meta->raid.disk[disk].flags & PR_F_ONLINE) 3261 raid->disks[disk].flags |= AR_DF_ONLINE; 3262 if (meta->raid.disk[disk].flags & PR_F_ASSIGNED) 3263 raid->disks[disk].flags |= AR_DF_ASSIGNED; 3264 if (meta->raid.disk[disk].flags & PR_F_SPARE) { 3265 raid->disks[disk].flags &= ~(AR_DF_ONLINE | AR_DF_ASSIGNED); 3266 raid->disks[disk].flags |= AR_DF_SPARE; 3267 } 3268 if (meta->raid.disk[disk].flags & (PR_F_REDIR | PR_F_DOWN)) 3269 raid->disks[disk].flags &= ~AR_DF_ONLINE; 3270 } 3271 if (!disksum) { 3272 device_printf(parent, "%s subdisks has no flags\n", 3273 native ? "FreeBSD" : "Promise"); 3274 kfree(raidp[array], M_AR); 3275 raidp[array] = NULL; 3276 goto promise_out; 3277 } 3278 } 3279 if (meta->raid.generation >= raid->generation) { 3280 int disk_number = meta->raid.disk_number; 3281 3282 if (raid->disks[disk_number].flags && (meta->magic_0 == 3283 *((u_int64_t *)(raid->disks[disk_number].serial)))) { 3284 raid->disks[disk_number].dev = parent; 3285 raid->disks[disk_number].flags |= AR_DF_PRESENT; 3286 raid->disks[disk_number].sectors = meta->raid.disk_sectors; 3287 if ((raid->disks[disk_number].flags & 3288 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE)) == 3289 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE)) { 3290 ars->raid[raid->volume] = raid; 3291 ars->disk_number[raid->volume] = disk_number; 3292 retval = 1; 3293 } 3294 } 3295 } 3296 break; 3297 } 3298 3299 promise_out: 3300 kfree(meta, M_AR); 3301 return retval; 3302 } 3303 3304 static int 3305 ata_raid_promise_write_meta(struct ar_softc *rdp) 3306 { 3307 struct promise_raid_conf *meta; 3308 struct timeval timestamp; 3309 u_int32_t *ckptr; 3310 int count, disk, drive, error = 0; 3311 3312 meta = (struct promise_raid_conf *) 3313 kmalloc(sizeof(struct promise_raid_conf), M_AR, M_WAITOK); 3314 3315 rdp->generation++; 3316 microtime(×tamp); 3317 3318 for (disk = 0; disk < rdp->total_disks; disk++) { 3319 for (count = 0; count < sizeof(struct promise_raid_conf); count++) 3320 *(((u_int8_t *)meta) + count) = 255 - (count % 256); 3321 meta->dummy_0 = 0x00020000; 3322 meta->raid.disk_number = disk; 3323 3324 if (rdp->disks[disk].dev) { 3325 struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev); 3326 struct ata_channel *ch = 3327 device_get_softc(device_get_parent(rdp->disks[disk].dev)); 3328 3329 meta->raid.channel = ch->unit; 3330 meta->raid.device = ATA_DEV(atadev->unit); 3331 meta->raid.disk_sectors = rdp->disks[disk].sectors; 3332 meta->raid.disk_offset = rdp->offset_sectors; 3333 } 3334 else { 3335 meta->raid.channel = 0; 3336 meta->raid.device = 0; 3337 meta->raid.disk_sectors = 0; 3338 meta->raid.disk_offset = 0; 3339 } 3340 meta->magic_0 = PR_MAGIC0(meta->raid) | timestamp.tv_sec; 3341 meta->magic_1 = timestamp.tv_sec >> 16; 3342 meta->magic_2 = timestamp.tv_sec; 3343 meta->raid.integrity = PR_I_VALID; 3344 meta->raid.magic_0 = meta->magic_0; 3345 meta->raid.rebuild_lba = rdp->rebuild_lba; 3346 meta->raid.generation = rdp->generation; 3347 3348 if (rdp->status & AR_S_READY) { 3349 meta->raid.flags = (PR_F_VALID | PR_F_ASSIGNED | PR_F_ONLINE); 3350 meta->raid.status = 3351 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY); 3352 if (rdp->status & AR_S_DEGRADED) 3353 meta->raid.status |= PR_S_DEGRADED; 3354 else 3355 meta->raid.status |= PR_S_FUNCTIONAL; 3356 } 3357 else { 3358 meta->raid.flags = PR_F_DOWN; 3359 meta->raid.status = 0; 3360 } 3361 3362 switch (rdp->type) { 3363 case AR_T_RAID0: 3364 meta->raid.type = PR_T_RAID0; 3365 break; 3366 case AR_T_RAID1: 3367 meta->raid.type = PR_T_RAID1; 3368 break; 3369 case AR_T_RAID01: 3370 meta->raid.type = PR_T_RAID1; 3371 break; 3372 case AR_T_RAID5: 3373 meta->raid.type = PR_T_RAID5; 3374 break; 3375 case AR_T_SPAN: 3376 meta->raid.type = PR_T_SPAN; 3377 break; 3378 case AR_T_JBOD: 3379 meta->raid.type = PR_T_JBOD; 3380 break; 3381 default: 3382 kfree(meta, M_AR); 3383 return ENODEV; 3384 } 3385 3386 meta->raid.total_disks = rdp->total_disks; 3387 meta->raid.stripe_shift = ffs(rdp->interleave) - 1; 3388 meta->raid.array_width = rdp->width; 3389 meta->raid.array_number = rdp->lun; 3390 meta->raid.total_sectors = rdp->total_sectors; 3391 meta->raid.cylinders = rdp->cylinders - 1; 3392 meta->raid.heads = rdp->heads - 1; 3393 meta->raid.sectors = rdp->sectors; 3394 meta->raid.magic_1 = (u_int64_t)meta->magic_2<<16 | meta->magic_1; 3395 3396 bzero(&meta->raid.disk, 8 * 12); 3397 for (drive = 0; drive < rdp->total_disks; drive++) { 3398 meta->raid.disk[drive].flags = 0; 3399 if (rdp->disks[drive].flags & AR_DF_PRESENT) 3400 meta->raid.disk[drive].flags |= PR_F_VALID; 3401 if (rdp->disks[drive].flags & AR_DF_ASSIGNED) 3402 meta->raid.disk[drive].flags |= PR_F_ASSIGNED; 3403 if (rdp->disks[drive].flags & AR_DF_ONLINE) 3404 meta->raid.disk[drive].flags |= PR_F_ONLINE; 3405 else 3406 if (rdp->disks[drive].flags & AR_DF_PRESENT) 3407 meta->raid.disk[drive].flags = (PR_F_REDIR | PR_F_DOWN); 3408 if (rdp->disks[drive].flags & AR_DF_SPARE) 3409 meta->raid.disk[drive].flags |= PR_F_SPARE; 3410 meta->raid.disk[drive].dummy_0 = 0x0; 3411 if (rdp->disks[drive].dev) { 3412 struct ata_channel *ch = 3413 device_get_softc(device_get_parent(rdp->disks[drive].dev)); 3414 struct ata_device *atadev = 3415 device_get_softc(rdp->disks[drive].dev); 3416 3417 meta->raid.disk[drive].channel = ch->unit; 3418 meta->raid.disk[drive].device = ATA_DEV(atadev->unit); 3419 } 3420 meta->raid.disk[drive].magic_0 = 3421 PR_MAGIC0(meta->raid.disk[drive]) | timestamp.tv_sec; 3422 } 3423 3424 if (rdp->disks[disk].dev) { 3425 if ((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) == 3426 (AR_DF_PRESENT | AR_DF_ONLINE)) { 3427 if (rdp->format == AR_F_FREEBSD_RAID) 3428 bcopy(ATA_MAGIC, meta->promise_id, sizeof(ATA_MAGIC)); 3429 else 3430 bcopy(PR_MAGIC, meta->promise_id, sizeof(PR_MAGIC)); 3431 } 3432 else 3433 bzero(meta->promise_id, sizeof(meta->promise_id)); 3434 meta->checksum = 0; 3435 for (ckptr = (int32_t *)meta, count = 0; count < 511; count++) 3436 meta->checksum += *ckptr++; 3437 if (testing || bootverbose) 3438 ata_raid_promise_print_meta(meta); 3439 if (ata_raid_rw(rdp->disks[disk].dev, 3440 PROMISE_LBA(rdp->disks[disk].dev), 3441 meta, sizeof(struct promise_raid_conf), 3442 ATA_R_WRITE | ATA_R_DIRECT)) { 3443 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 3444 error = EIO; 3445 } 3446 } 3447 } 3448 kfree(meta, M_AR); 3449 return error; 3450 } 3451 3452 /* Silicon Image Medley Metadata */ 3453 static int 3454 ata_raid_sii_read_meta(device_t dev, struct ar_softc **raidp) 3455 { 3456 struct ata_raid_subdisk *ars = device_get_softc(dev); 3457 device_t parent = device_get_parent(dev); 3458 struct sii_raid_conf *meta; 3459 struct ar_softc *raid = NULL; 3460 u_int16_t checksum, *ptr; 3461 int array, count, disk, retval = 0; 3462 3463 meta = (struct sii_raid_conf *)kmalloc(sizeof(struct sii_raid_conf), M_AR, 3464 M_WAITOK | M_ZERO); 3465 3466 if (ata_raid_rw(parent, SII_LBA(parent), 3467 meta, sizeof(struct sii_raid_conf), ATA_R_READ)) { 3468 if (testing || bootverbose) 3469 device_printf(parent, "Silicon Image read metadata failed\n"); 3470 goto sii_out; 3471 } 3472 3473 /* check if this is a Silicon Image (Medley) RAID struct */ 3474 for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 160; count++) 3475 checksum += *ptr++; 3476 if (checksum) { 3477 if (testing || bootverbose) 3478 device_printf(parent, "Silicon Image check1 failed\n"); 3479 goto sii_out; 3480 } 3481 3482 for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 256; count++) 3483 checksum += *ptr++; 3484 if (checksum != meta->checksum_1) { 3485 if (testing || bootverbose) 3486 device_printf(parent, "Silicon Image check2 failed\n"); 3487 goto sii_out; 3488 } 3489 3490 /* check verison */ 3491 if (meta->version_major != 0x0002 || 3492 (meta->version_minor != 0x0000 && meta->version_minor != 0x0001)) { 3493 if (testing || bootverbose) 3494 device_printf(parent, "Silicon Image check3 failed\n"); 3495 goto sii_out; 3496 } 3497 3498 if (testing || bootverbose) 3499 ata_raid_sii_print_meta(meta); 3500 3501 /* now convert Silicon Image meta into our generic form */ 3502 for (array = 0; array < MAX_ARRAYS; array++) { 3503 if (!raidp[array]) { 3504 raidp[array] = 3505 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3506 M_WAITOK | M_ZERO); 3507 } 3508 raid = raidp[array]; 3509 if (raid->format && (raid->format != AR_F_SII_RAID)) 3510 continue; 3511 3512 if (raid->format == AR_F_SII_RAID && 3513 (raid->magic_0 != *((u_int64_t *)meta->timestamp))) { 3514 continue; 3515 } 3516 3517 /* update our knowledge about the array config based on generation */ 3518 if (!meta->generation || meta->generation > raid->generation) { 3519 switch (meta->type) { 3520 case SII_T_RAID0: 3521 raid->type = AR_T_RAID0; 3522 break; 3523 3524 case SII_T_RAID1: 3525 raid->type = AR_T_RAID1; 3526 break; 3527 3528 case SII_T_RAID01: 3529 raid->type = AR_T_RAID01; 3530 break; 3531 3532 case SII_T_SPARE: 3533 device_printf(parent, "Silicon Image SPARE disk\n"); 3534 kfree(raidp[array], M_AR); 3535 raidp[array] = NULL; 3536 goto sii_out; 3537 3538 default: 3539 device_printf(parent,"Silicon Image unknown RAID type 0x%02x\n", 3540 meta->type); 3541 kfree(raidp[array], M_AR); 3542 raidp[array] = NULL; 3543 goto sii_out; 3544 } 3545 raid->magic_0 = *((u_int64_t *)meta->timestamp); 3546 raid->format = AR_F_SII_RAID; 3547 raid->generation = meta->generation; 3548 raid->interleave = meta->stripe_sectors; 3549 raid->width = (meta->raid0_disks != 0xff) ? meta->raid0_disks : 1; 3550 raid->total_disks = 3551 ((meta->raid0_disks != 0xff) ? meta->raid0_disks : 0) + 3552 ((meta->raid1_disks != 0xff) ? meta->raid1_disks : 0); 3553 raid->total_sectors = meta->total_sectors; 3554 raid->heads = 255; 3555 raid->sectors = 63; 3556 raid->cylinders = raid->total_sectors / (63 * 255); 3557 raid->offset_sectors = 0; 3558 raid->rebuild_lba = meta->rebuild_lba; 3559 raid->lun = array; 3560 strncpy(raid->name, meta->name, 3561 min(sizeof(raid->name), sizeof(meta->name))); 3562 3563 /* clear out any old info */ 3564 if (raid->generation) { 3565 for (disk = 0; disk < raid->total_disks; disk++) { 3566 raid->disks[disk].dev = NULL; 3567 raid->disks[disk].flags = 0; 3568 } 3569 } 3570 } 3571 if (meta->generation >= raid->generation) { 3572 /* XXX SOS add check for the right physical disk by serial# */ 3573 if (meta->status & SII_S_READY) { 3574 int disk_number = (raid->type == AR_T_RAID01) ? 3575 meta->raid1_ident + (meta->raid0_ident << 1) : 3576 meta->disk_number; 3577 3578 raid->disks[disk_number].dev = parent; 3579 raid->disks[disk_number].sectors = 3580 raid->total_sectors / raid->width; 3581 raid->disks[disk_number].flags = 3582 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 3583 ars->raid[raid->volume] = raid; 3584 ars->disk_number[raid->volume] = disk_number; 3585 retval = 1; 3586 } 3587 } 3588 break; 3589 } 3590 3591 sii_out: 3592 kfree(meta, M_AR); 3593 return retval; 3594 } 3595 3596 /* Silicon Integrated Systems Metadata */ 3597 static int 3598 ata_raid_sis_read_meta(device_t dev, struct ar_softc **raidp) 3599 { 3600 struct ata_raid_subdisk *ars = device_get_softc(dev); 3601 device_t parent = device_get_parent(dev); 3602 struct sis_raid_conf *meta; 3603 struct ar_softc *raid = NULL; 3604 int array, disk_number, drive, retval = 0; 3605 3606 meta = (struct sis_raid_conf *)kmalloc(sizeof(struct sis_raid_conf), M_AR, 3607 M_WAITOK | M_ZERO); 3608 3609 if (ata_raid_rw(parent, SIS_LBA(parent), 3610 meta, sizeof(struct sis_raid_conf), ATA_R_READ)) { 3611 if (testing || bootverbose) 3612 device_printf(parent, 3613 "Silicon Integrated Systems read metadata failed\n"); 3614 } 3615 3616 /* check for SiS magic */ 3617 if (meta->magic != SIS_MAGIC) { 3618 if (testing || bootverbose) 3619 device_printf(parent, 3620 "Silicon Integrated Systems check1 failed\n"); 3621 goto sis_out; 3622 } 3623 3624 if (testing || bootverbose) 3625 ata_raid_sis_print_meta(meta); 3626 3627 /* now convert SiS meta into our generic form */ 3628 for (array = 0; array < MAX_ARRAYS; array++) { 3629 if (!raidp[array]) { 3630 raidp[array] = 3631 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3632 M_WAITOK | M_ZERO); 3633 } 3634 3635 raid = raidp[array]; 3636 if (raid->format && (raid->format != AR_F_SIS_RAID)) 3637 continue; 3638 3639 if ((raid->format == AR_F_SIS_RAID) && 3640 ((raid->magic_0 != meta->controller_pci_id) || 3641 (raid->magic_1 != meta->timestamp))) { 3642 continue; 3643 } 3644 3645 switch (meta->type_total_disks & SIS_T_MASK) { 3646 case SIS_T_JBOD: 3647 raid->type = AR_T_JBOD; 3648 raid->width = (meta->type_total_disks & SIS_D_MASK); 3649 raid->total_sectors += SIS_LBA(parent); 3650 break; 3651 3652 case SIS_T_RAID0: 3653 raid->type = AR_T_RAID0; 3654 raid->width = (meta->type_total_disks & SIS_D_MASK); 3655 if (!raid->total_sectors || 3656 (raid->total_sectors > (raid->width * SIS_LBA(parent)))) 3657 raid->total_sectors = raid->width * SIS_LBA(parent); 3658 break; 3659 3660 case SIS_T_RAID1: 3661 raid->type = AR_T_RAID1; 3662 raid->width = 1; 3663 if (!raid->total_sectors || (raid->total_sectors > SIS_LBA(parent))) 3664 raid->total_sectors = SIS_LBA(parent); 3665 break; 3666 3667 default: 3668 device_printf(parent, "Silicon Integrated Systems " 3669 "unknown RAID type 0x%08x\n", meta->magic); 3670 kfree(raidp[array], M_AR); 3671 raidp[array] = NULL; 3672 goto sis_out; 3673 } 3674 raid->magic_0 = meta->controller_pci_id; 3675 raid->magic_1 = meta->timestamp; 3676 raid->format = AR_F_SIS_RAID; 3677 raid->generation = 0; 3678 raid->interleave = meta->stripe_sectors; 3679 raid->total_disks = (meta->type_total_disks & SIS_D_MASK); 3680 raid->heads = 255; 3681 raid->sectors = 63; 3682 raid->cylinders = raid->total_sectors / (63 * 255); 3683 raid->offset_sectors = 0; 3684 raid->rebuild_lba = 0; 3685 raid->lun = array; 3686 /* XXX SOS if total_disks > 2 this doesn't float */ 3687 if (((meta->disks & SIS_D_MASTER) >> 4) == meta->disk_number) 3688 disk_number = 0; 3689 else 3690 disk_number = 1; 3691 3692 for (drive = 0; drive < raid->total_disks; drive++) { 3693 raid->disks[drive].sectors = raid->total_sectors/raid->width; 3694 if (drive == disk_number) { 3695 raid->disks[disk_number].dev = parent; 3696 raid->disks[disk_number].flags = 3697 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 3698 ars->raid[raid->volume] = raid; 3699 ars->disk_number[raid->volume] = disk_number; 3700 } 3701 } 3702 retval = 1; 3703 break; 3704 } 3705 3706 sis_out: 3707 kfree(meta, M_AR); 3708 return retval; 3709 } 3710 3711 static int 3712 ata_raid_sis_write_meta(struct ar_softc *rdp) 3713 { 3714 struct sis_raid_conf *meta; 3715 struct timeval timestamp; 3716 int disk, error = 0; 3717 3718 meta = (struct sis_raid_conf *)kmalloc(sizeof(struct sis_raid_conf), M_AR, 3719 M_WAITOK | M_ZERO); 3720 3721 rdp->generation++; 3722 microtime(×tamp); 3723 3724 meta->magic = SIS_MAGIC; 3725 /* XXX SOS if total_disks > 2 this doesn't float */ 3726 for (disk = 0; disk < rdp->total_disks; disk++) { 3727 if (rdp->disks[disk].dev) { 3728 struct ata_channel *ch = 3729 device_get_softc(device_get_parent(rdp->disks[disk].dev)); 3730 struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev); 3731 int disk_number = 1 + ATA_DEV(atadev->unit) + (ch->unit << 1); 3732 3733 meta->disks |= disk_number << ((1 - disk) << 2); 3734 } 3735 } 3736 switch (rdp->type) { 3737 case AR_T_JBOD: 3738 meta->type_total_disks = SIS_T_JBOD; 3739 break; 3740 3741 case AR_T_RAID0: 3742 meta->type_total_disks = SIS_T_RAID0; 3743 break; 3744 3745 case AR_T_RAID1: 3746 meta->type_total_disks = SIS_T_RAID1; 3747 break; 3748 3749 default: 3750 kfree(meta, M_AR); 3751 return ENODEV; 3752 } 3753 meta->type_total_disks |= (rdp->total_disks & SIS_D_MASK); 3754 meta->stripe_sectors = rdp->interleave; 3755 meta->timestamp = timestamp.tv_sec; 3756 3757 for (disk = 0; disk < rdp->total_disks; disk++) { 3758 if (rdp->disks[disk].dev) { 3759 struct ata_channel *ch = 3760 device_get_softc(device_get_parent(rdp->disks[disk].dev)); 3761 struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev); 3762 3763 meta->controller_pci_id = 3764 (pci_get_vendor(GRANDPARENT(rdp->disks[disk].dev)) << 16) | 3765 pci_get_device(GRANDPARENT(rdp->disks[disk].dev)); 3766 bcopy(atadev->param.model, meta->model, sizeof(meta->model)); 3767 3768 /* XXX SOS if total_disks > 2 this may not float */ 3769 meta->disk_number = 1 + ATA_DEV(atadev->unit) + (ch->unit << 1); 3770 3771 if (testing || bootverbose) 3772 ata_raid_sis_print_meta(meta); 3773 3774 if (ata_raid_rw(rdp->disks[disk].dev, 3775 SIS_LBA(rdp->disks[disk].dev), 3776 meta, sizeof(struct sis_raid_conf), 3777 ATA_R_WRITE | ATA_R_DIRECT)) { 3778 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 3779 error = EIO; 3780 } 3781 } 3782 } 3783 kfree(meta, M_AR); 3784 return error; 3785 } 3786 3787 /* VIA Tech V-RAID Metadata */ 3788 static int 3789 ata_raid_via_read_meta(device_t dev, struct ar_softc **raidp) 3790 { 3791 struct ata_raid_subdisk *ars = device_get_softc(dev); 3792 device_t parent = device_get_parent(dev); 3793 struct via_raid_conf *meta; 3794 struct ar_softc *raid = NULL; 3795 u_int8_t checksum, *ptr; 3796 int array, count, disk, retval = 0; 3797 3798 meta = (struct via_raid_conf *)kmalloc(sizeof(struct via_raid_conf), M_AR, 3799 M_WAITOK | M_ZERO); 3800 3801 if (ata_raid_rw(parent, VIA_LBA(parent), 3802 meta, sizeof(struct via_raid_conf), ATA_R_READ)) { 3803 if (testing || bootverbose) 3804 device_printf(parent, "VIA read metadata failed\n"); 3805 goto via_out; 3806 } 3807 3808 /* check if this is a VIA RAID struct */ 3809 if (meta->magic != VIA_MAGIC) { 3810 if (testing || bootverbose) 3811 device_printf(parent, "VIA check1 failed\n"); 3812 goto via_out; 3813 } 3814 3815 /* calculate checksum and compare for valid */ 3816 for (checksum = 0, ptr = (u_int8_t *)meta, count = 0; count < 50; count++) 3817 checksum += *ptr++; 3818 if (checksum != meta->checksum) { 3819 if (testing || bootverbose) 3820 device_printf(parent, "VIA check2 failed\n"); 3821 goto via_out; 3822 } 3823 3824 if (testing || bootverbose) 3825 ata_raid_via_print_meta(meta); 3826 3827 /* now convert VIA meta into our generic form */ 3828 for (array = 0; array < MAX_ARRAYS; array++) { 3829 if (!raidp[array]) { 3830 raidp[array] = 3831 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3832 M_WAITOK | M_ZERO); 3833 } 3834 raid = raidp[array]; 3835 if (raid->format && (raid->format != AR_F_VIA_RAID)) 3836 continue; 3837 3838 if (raid->format == AR_F_VIA_RAID && (raid->magic_0 != meta->disks[0])) 3839 continue; 3840 3841 switch (meta->type & VIA_T_MASK) { 3842 case VIA_T_RAID0: 3843 raid->type = AR_T_RAID0; 3844 raid->width = meta->stripe_layout & VIA_L_DISKS; 3845 if (!raid->total_sectors || 3846 (raid->total_sectors > (raid->width * meta->disk_sectors))) 3847 raid->total_sectors = raid->width * meta->disk_sectors; 3848 break; 3849 3850 case VIA_T_RAID1: 3851 raid->type = AR_T_RAID1; 3852 raid->width = 1; 3853 raid->total_sectors = meta->disk_sectors; 3854 break; 3855 3856 case VIA_T_RAID01: 3857 raid->type = AR_T_RAID01; 3858 raid->width = meta->stripe_layout & VIA_L_DISKS; 3859 if (!raid->total_sectors || 3860 (raid->total_sectors > (raid->width * meta->disk_sectors))) 3861 raid->total_sectors = raid->width * meta->disk_sectors; 3862 break; 3863 3864 case VIA_T_RAID5: 3865 raid->type = AR_T_RAID5; 3866 raid->width = meta->stripe_layout & VIA_L_DISKS; 3867 if (!raid->total_sectors || 3868 (raid->total_sectors > ((raid->width - 1)*meta->disk_sectors))) 3869 raid->total_sectors = (raid->width - 1) * meta->disk_sectors; 3870 break; 3871 3872 case VIA_T_SPAN: 3873 raid->type = AR_T_SPAN; 3874 raid->width = 1; 3875 raid->total_sectors += meta->disk_sectors; 3876 break; 3877 3878 default: 3879 device_printf(parent,"VIA unknown RAID type 0x%02x\n", meta->type); 3880 kfree(raidp[array], M_AR); 3881 raidp[array] = NULL; 3882 goto via_out; 3883 } 3884 raid->magic_0 = meta->disks[0]; 3885 raid->format = AR_F_VIA_RAID; 3886 raid->generation = 0; 3887 raid->interleave = 3888 0x08 << ((meta->stripe_layout & VIA_L_MASK) >> VIA_L_SHIFT); 3889 for (count = 0, disk = 0; disk < 8; disk++) 3890 if (meta->disks[disk]) 3891 count++; 3892 raid->total_disks = count; 3893 raid->heads = 255; 3894 raid->sectors = 63; 3895 raid->cylinders = raid->total_sectors / (63 * 255); 3896 raid->offset_sectors = 0; 3897 raid->rebuild_lba = 0; 3898 raid->lun = array; 3899 3900 for (disk = 0; disk < raid->total_disks; disk++) { 3901 if (meta->disks[disk] == meta->disk_id) { 3902 raid->disks[disk].dev = parent; 3903 bcopy(&meta->disk_id, raid->disks[disk].serial, 3904 sizeof(u_int32_t)); 3905 raid->disks[disk].sectors = meta->disk_sectors; 3906 raid->disks[disk].flags = 3907 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 3908 ars->raid[raid->volume] = raid; 3909 ars->disk_number[raid->volume] = disk; 3910 retval = 1; 3911 break; 3912 } 3913 } 3914 break; 3915 } 3916 3917 via_out: 3918 kfree(meta, M_AR); 3919 return retval; 3920 } 3921 3922 static int 3923 ata_raid_via_write_meta(struct ar_softc *rdp) 3924 { 3925 struct via_raid_conf *meta; 3926 int disk, error = 0; 3927 3928 meta = (struct via_raid_conf *)kmalloc(sizeof(struct via_raid_conf), M_AR, 3929 M_WAITOK | M_ZERO); 3930 3931 rdp->generation++; 3932 3933 meta->magic = VIA_MAGIC; 3934 meta->dummy_0 = 0x02; 3935 switch (rdp->type) { 3936 case AR_T_SPAN: 3937 meta->type = VIA_T_SPAN; 3938 meta->stripe_layout = (rdp->total_disks & VIA_L_DISKS); 3939 break; 3940 3941 case AR_T_RAID0: 3942 meta->type = VIA_T_RAID0; 3943 meta->stripe_layout = ((rdp->interleave >> 1) & VIA_L_MASK); 3944 meta->stripe_layout |= (rdp->total_disks & VIA_L_DISKS); 3945 break; 3946 3947 case AR_T_RAID1: 3948 meta->type = VIA_T_RAID1; 3949 meta->stripe_layout = (rdp->total_disks & VIA_L_DISKS); 3950 break; 3951 3952 case AR_T_RAID5: 3953 meta->type = VIA_T_RAID5; 3954 meta->stripe_layout = ((rdp->interleave >> 1) & VIA_L_MASK); 3955 meta->stripe_layout |= (rdp->total_disks & VIA_L_DISKS); 3956 break; 3957 3958 case AR_T_RAID01: 3959 meta->type = VIA_T_RAID01; 3960 meta->stripe_layout = ((rdp->interleave >> 1) & VIA_L_MASK); 3961 meta->stripe_layout |= (rdp->width & VIA_L_DISKS); 3962 break; 3963 3964 default: 3965 kfree(meta, M_AR); 3966 return ENODEV; 3967 } 3968 meta->type |= VIA_T_BOOTABLE; /* XXX SOS */ 3969 meta->disk_sectors = 3970 rdp->total_sectors / (rdp->width - (rdp->type == AR_RAID5)); 3971 for (disk = 0; disk < rdp->total_disks; disk++) 3972 meta->disks[disk] = (u_int32_t)(uintptr_t)rdp->disks[disk].dev; 3973 3974 for (disk = 0; disk < rdp->total_disks; disk++) { 3975 if (rdp->disks[disk].dev) { 3976 u_int8_t *ptr; 3977 int count; 3978 3979 meta->disk_index = disk * sizeof(u_int32_t); 3980 if (rdp->type == AR_T_RAID01) 3981 meta->disk_index = ((meta->disk_index & 0x08) << 2) | 3982 (meta->disk_index & ~0x08); 3983 meta->disk_id = meta->disks[disk]; 3984 meta->checksum = 0; 3985 for (ptr = (u_int8_t *)meta, count = 0; count < 50; count++) 3986 meta->checksum += *ptr++; 3987 3988 if (testing || bootverbose) 3989 ata_raid_via_print_meta(meta); 3990 3991 if (ata_raid_rw(rdp->disks[disk].dev, 3992 VIA_LBA(rdp->disks[disk].dev), 3993 meta, sizeof(struct via_raid_conf), 3994 ATA_R_WRITE | ATA_R_DIRECT)) { 3995 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 3996 error = EIO; 3997 } 3998 } 3999 } 4000 kfree(meta, M_AR); 4001 return error; 4002 } 4003 4004 static struct ata_request * 4005 ata_raid_init_request(struct ar_softc *rdp, struct bio *bio) 4006 { 4007 struct ata_request *request; 4008 4009 if (!(request = ata_alloc_request())) { 4010 kprintf("FAILURE - out of memory in ata_raid_init_request\n"); 4011 return NULL; 4012 } 4013 request->timeout = ATA_DEFAULT_TIMEOUT; 4014 request->retries = 2; 4015 request->callback = ata_raid_done; 4016 request->driver = rdp; 4017 request->bio = bio; 4018 switch (request->bio->bio_buf->b_cmd) { 4019 case BUF_CMD_READ: 4020 request->flags = ATA_R_READ; 4021 break; 4022 case BUF_CMD_WRITE: 4023 request->flags = ATA_R_WRITE; 4024 break; 4025 case BUF_CMD_FLUSH: 4026 request->flags = ATA_R_CONTROL; 4027 break; 4028 default: 4029 kprintf("ar%d: FAILURE - unknown BUF operation\n", rdp->lun); 4030 ata_free_request(request); 4031 #if 0 4032 bio->bio_buf->b_flags |= B_ERROR; 4033 bio->bio_buf->b_error = EIO; 4034 biodone(bio); 4035 #endif /* 0 */ 4036 return(NULL); 4037 } 4038 return request; 4039 } 4040 4041 static int 4042 ata_raid_send_request(struct ata_request *request) 4043 { 4044 struct ata_device *atadev = device_get_softc(request->dev); 4045 4046 request->transfersize = min(request->bytecount, atadev->max_iosize); 4047 if (request->flags & ATA_R_READ) { 4048 if (atadev->mode >= ATA_DMA) { 4049 request->flags |= ATA_R_DMA; 4050 request->u.ata.command = ATA_READ_DMA; 4051 } 4052 else if (atadev->max_iosize > DEV_BSIZE) 4053 request->u.ata.command = ATA_READ_MUL; 4054 else 4055 request->u.ata.command = ATA_READ; 4056 } 4057 else if (request->flags & ATA_R_WRITE) { 4058 if (atadev->mode >= ATA_DMA) { 4059 request->flags |= ATA_R_DMA; 4060 request->u.ata.command = ATA_WRITE_DMA; 4061 } 4062 else if (atadev->max_iosize > DEV_BSIZE) 4063 request->u.ata.command = ATA_WRITE_MUL; 4064 else 4065 request->u.ata.command = ATA_WRITE; 4066 } 4067 else { 4068 device_printf(request->dev, "FAILURE - unknown IO operation\n"); 4069 ata_free_request(request); 4070 return EIO; 4071 } 4072 request->flags |= (ATA_R_ORDERED | ATA_R_THREAD); 4073 ata_queue_request(request); 4074 return 0; 4075 } 4076 4077 static int 4078 ata_raid_rw(device_t dev, u_int64_t lba, void *data, u_int bcount, int flags) 4079 { 4080 struct ata_device *atadev = device_get_softc(dev); 4081 struct ata_request *request; 4082 int error; 4083 4084 if (bcount % DEV_BSIZE) { 4085 device_printf(dev, "FAILURE - transfers must be modulo sectorsize\n"); 4086 return ENOMEM; 4087 } 4088 4089 if (!(request = ata_alloc_request())) { 4090 device_printf(dev, "FAILURE - out of memory in ata_raid_rw\n"); 4091 return ENOMEM; 4092 } 4093 4094 /* setup request */ 4095 request->dev = dev; 4096 request->timeout = 10; 4097 request->retries = 0; 4098 request->data = data; 4099 request->bytecount = bcount; 4100 request->transfersize = DEV_BSIZE; 4101 request->u.ata.lba = lba; 4102 request->u.ata.count = request->bytecount / DEV_BSIZE; 4103 request->flags = flags; 4104 4105 if (flags & ATA_R_READ) { 4106 if (atadev->mode >= ATA_DMA) { 4107 request->u.ata.command = ATA_READ_DMA; 4108 request->flags |= ATA_R_DMA; 4109 } 4110 else 4111 request->u.ata.command = ATA_READ; 4112 ata_queue_request(request); 4113 } 4114 else if (flags & ATA_R_WRITE) { 4115 if (atadev->mode >= ATA_DMA) { 4116 request->u.ata.command = ATA_WRITE_DMA; 4117 request->flags |= ATA_R_DMA; 4118 } 4119 else 4120 request->u.ata.command = ATA_WRITE; 4121 ata_queue_request(request); 4122 } 4123 else { 4124 device_printf(dev, "FAILURE - unknown IO operation\n"); 4125 request->result = EIO; 4126 } 4127 error = request->result; 4128 ata_free_request(request); 4129 return error; 4130 } 4131 4132 /* 4133 * module handeling 4134 */ 4135 static int 4136 ata_raid_subdisk_probe(device_t dev) 4137 { 4138 device_quiet(dev); 4139 return 0; 4140 } 4141 4142 static int 4143 ata_raid_subdisk_attach(device_t dev) 4144 { 4145 struct ata_raid_subdisk *ars = device_get_softc(dev); 4146 int volume; 4147 4148 for (volume = 0; volume < MAX_VOLUMES; volume++) { 4149 ars->raid[volume] = NULL; 4150 ars->disk_number[volume] = -1; 4151 } 4152 ata_raid_read_metadata(dev); 4153 return 0; 4154 } 4155 4156 static int 4157 ata_raid_subdisk_detach(device_t dev) 4158 { 4159 struct ata_raid_subdisk *ars = device_get_softc(dev); 4160 int volume; 4161 4162 for (volume = 0; volume < MAX_VOLUMES; volume++) { 4163 if (ars->raid[volume]) { 4164 ars->raid[volume]->disks[ars->disk_number[volume]].flags &= 4165 ~(AR_DF_PRESENT | AR_DF_ONLINE); 4166 ars->raid[volume]->disks[ars->disk_number[volume]].dev = NULL; 4167 ata_raid_config_changed(ars->raid[volume], 1); 4168 ars->raid[volume] = NULL; 4169 ars->disk_number[volume] = -1; 4170 } 4171 } 4172 return 0; 4173 } 4174 4175 static device_method_t ata_raid_sub_methods[] = { 4176 /* device interface */ 4177 DEVMETHOD(device_probe, ata_raid_subdisk_probe), 4178 DEVMETHOD(device_attach, ata_raid_subdisk_attach), 4179 DEVMETHOD(device_detach, ata_raid_subdisk_detach), 4180 DEVMETHOD_END 4181 }; 4182 4183 static driver_t ata_raid_sub_driver = { 4184 "subdisk", 4185 ata_raid_sub_methods, 4186 sizeof(struct ata_raid_subdisk) 4187 }; 4188 4189 DRIVER_MODULE(subdisk, ad, ata_raid_sub_driver, ata_raid_sub_devclass, NULL, NULL); 4190 4191 static int 4192 ata_raid_module_event_handler(module_t mod, int what, void *arg) 4193 { 4194 int i; 4195 4196 switch (what) { 4197 case MOD_LOAD: 4198 if (testing || bootverbose) 4199 kprintf("ATA PseudoRAID loaded\n"); 4200 #if 0 4201 /* setup table to hold metadata for all ATA PseudoRAID arrays */ 4202 ata_raid_arrays = kmalloc(sizeof(struct ar_soft *) * MAX_ARRAYS, 4203 M_AR, M_WAITOK | M_ZERO); 4204 #endif 4205 /* attach found PseudoRAID arrays */ 4206 for (i = 0; i < MAX_ARRAYS; i++) { 4207 struct ar_softc *rdp = ata_raid_arrays[i]; 4208 4209 if (!rdp || !rdp->format) 4210 continue; 4211 if (testing || bootverbose) 4212 ata_raid_print_meta(rdp); 4213 ata_raid_attach(rdp, 0); 4214 } 4215 ata_raid_ioctl_func = ata_raid_ioctl; 4216 return 0; 4217 4218 case MOD_UNLOAD: 4219 /* detach found PseudoRAID arrays */ 4220 for (i = 0; i < MAX_ARRAYS; i++) { 4221 struct ar_softc *rdp = ata_raid_arrays[i]; 4222 4223 if (!rdp || !rdp->status) 4224 continue; 4225 disk_destroy(&rdp->disk); 4226 } 4227 if (testing || bootverbose) 4228 kprintf("ATA PseudoRAID unloaded\n"); 4229 #if 0 4230 kfree(ata_raid_arrays, M_AR); 4231 #endif 4232 ata_raid_ioctl_func = NULL; 4233 return 0; 4234 4235 default: 4236 return EOPNOTSUPP; 4237 } 4238 } 4239 4240 static moduledata_t ata_raid_moduledata = 4241 { "ataraid", ata_raid_module_event_handler, NULL }; 4242 DECLARE_MODULE(ata, ata_raid_moduledata, SI_SUB_RAID, SI_ORDER_FIRST); 4243 MODULE_VERSION(ataraid, 1); 4244 MODULE_DEPEND(ataraid, ata, 1, 1, 1); 4245 MODULE_DEPEND(ataraid, ad, 1, 1, 1); 4246 4247 static char * 4248 ata_raid_format(struct ar_softc *rdp) 4249 { 4250 switch (rdp->format) { 4251 case AR_F_FREEBSD_RAID: return "FreeBSD PseudoRAID"; 4252 case AR_F_ADAPTEC_RAID: return "Adaptec HostRAID"; 4253 case AR_F_HPTV2_RAID: return "HighPoint v2 RocketRAID"; 4254 case AR_F_HPTV3_RAID: return "HighPoint v3 RocketRAID"; 4255 case AR_F_INTEL_RAID: return "Intel MatrixRAID"; 4256 case AR_F_ITE_RAID: return "Integrated Technology Express"; 4257 case AR_F_JMICRON_RAID: return "JMicron Technology Corp"; 4258 case AR_F_LSIV2_RAID: return "LSILogic v2 MegaRAID"; 4259 case AR_F_LSIV3_RAID: return "LSILogic v3 MegaRAID"; 4260 case AR_F_NVIDIA_RAID: return "nVidia MediaShield"; 4261 case AR_F_PROMISE_RAID: return "Promise Fasttrak"; 4262 case AR_F_SII_RAID: return "Silicon Image Medley"; 4263 case AR_F_SIS_RAID: return "Silicon Integrated Systems"; 4264 case AR_F_VIA_RAID: return "VIA Tech V-RAID"; 4265 default: return "UNKNOWN"; 4266 } 4267 } 4268 4269 static char * 4270 ata_raid_type(struct ar_softc *rdp) 4271 { 4272 switch (rdp->type) { 4273 case AR_T_JBOD: return "JBOD"; 4274 case AR_T_SPAN: return "SPAN"; 4275 case AR_T_RAID0: return "RAID0"; 4276 case AR_T_RAID1: return "RAID1"; 4277 case AR_T_RAID3: return "RAID3"; 4278 case AR_T_RAID4: return "RAID4"; 4279 case AR_T_RAID5: return "RAID5"; 4280 case AR_T_RAID01: return "RAID0+1"; 4281 default: return "UNKNOWN"; 4282 } 4283 } 4284 4285 static char * 4286 ata_raid_flags(struct ar_softc *rdp) 4287 { 4288 switch (rdp->status & (AR_S_READY | AR_S_DEGRADED | AR_S_REBUILDING)) { 4289 case AR_S_READY: return "READY"; 4290 case AR_S_READY | AR_S_DEGRADED: return "DEGRADED"; 4291 case AR_S_READY | AR_S_REBUILDING: 4292 case AR_S_READY | AR_S_DEGRADED | AR_S_REBUILDING: return "REBUILDING"; 4293 default: return "BROKEN"; 4294 } 4295 } 4296 4297 /* debugging gunk */ 4298 static void 4299 ata_raid_print_meta(struct ar_softc *raid) 4300 { 4301 int i; 4302 4303 kprintf("********** ATA PseudoRAID ar%d Metadata **********\n", raid->lun); 4304 kprintf("=================================================\n"); 4305 kprintf("format %s\n", ata_raid_format(raid)); 4306 kprintf("type %s\n", ata_raid_type(raid)); 4307 kprintf("flags 0x%02x %b\n", raid->status, raid->status, 4308 "\20\3REBUILDING\2DEGRADED\1READY\n"); 4309 kprintf("magic_0 0x%016jx\n", raid->magic_0); 4310 kprintf("magic_1 0x%016jx\n",raid->magic_1); 4311 kprintf("generation %u\n", raid->generation); 4312 kprintf("total_sectors %ju\n", raid->total_sectors); 4313 kprintf("offset_sectors %ju\n", raid->offset_sectors); 4314 kprintf("heads %u\n", raid->heads); 4315 kprintf("sectors %u\n", raid->sectors); 4316 kprintf("cylinders %u\n", raid->cylinders); 4317 kprintf("width %u\n", raid->width); 4318 kprintf("interleave %u\n", raid->interleave); 4319 kprintf("total_disks %u\n", raid->total_disks); 4320 for (i = 0; i < raid->total_disks; i++) { 4321 kprintf(" disk %d: flags = 0x%02x %b\n", i, raid->disks[i].flags, 4322 raid->disks[i].flags, "\20\4ONLINE\3SPARE\2ASSIGNED\1PRESENT\n"); 4323 if (raid->disks[i].dev) { 4324 kprintf(" "); 4325 device_printf(raid->disks[i].dev, " sectors %jd\n", 4326 raid->disks[i].sectors); 4327 } 4328 } 4329 kprintf("=================================================\n"); 4330 } 4331 4332 static char * 4333 ata_raid_adaptec_type(int type) 4334 { 4335 static char buffer[16]; 4336 4337 switch (type) { 4338 case ADP_T_RAID0: return "RAID0"; 4339 case ADP_T_RAID1: return "RAID1"; 4340 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4341 return buffer; 4342 } 4343 } 4344 4345 static void 4346 ata_raid_adaptec_print_meta(struct adaptec_raid_conf *meta) 4347 { 4348 int i; 4349 4350 kprintf("********* ATA Adaptec HostRAID Metadata *********\n"); 4351 kprintf("magic_0 <0x%08x>\n", be32toh(meta->magic_0)); 4352 kprintf("generation 0x%08x\n", be32toh(meta->generation)); 4353 kprintf("dummy_0 0x%04x\n", be16toh(meta->dummy_0)); 4354 kprintf("total_configs %u\n", be16toh(meta->total_configs)); 4355 kprintf("dummy_1 0x%04x\n", be16toh(meta->dummy_1)); 4356 kprintf("checksum 0x%04x\n", be16toh(meta->checksum)); 4357 kprintf("dummy_2 0x%08x\n", be32toh(meta->dummy_2)); 4358 kprintf("dummy_3 0x%08x\n", be32toh(meta->dummy_3)); 4359 kprintf("flags 0x%08x\n", be32toh(meta->flags)); 4360 kprintf("timestamp 0x%08x\n", be32toh(meta->timestamp)); 4361 kprintf("dummy_4 0x%08x 0x%08x 0x%08x 0x%08x\n", 4362 be32toh(meta->dummy_4[0]), be32toh(meta->dummy_4[1]), 4363 be32toh(meta->dummy_4[2]), be32toh(meta->dummy_4[3])); 4364 kprintf("dummy_5 0x%08x 0x%08x 0x%08x 0x%08x\n", 4365 be32toh(meta->dummy_5[0]), be32toh(meta->dummy_5[1]), 4366 be32toh(meta->dummy_5[2]), be32toh(meta->dummy_5[3])); 4367 4368 for (i = 0; i < be16toh(meta->total_configs); i++) { 4369 kprintf(" %d total_disks %u\n", i, 4370 be16toh(meta->configs[i].disk_number)); 4371 kprintf(" %d generation %u\n", i, 4372 be16toh(meta->configs[i].generation)); 4373 kprintf(" %d magic_0 0x%08x\n", i, 4374 be32toh(meta->configs[i].magic_0)); 4375 kprintf(" %d dummy_0 0x%02x\n", i, meta->configs[i].dummy_0); 4376 kprintf(" %d type %s\n", i, 4377 ata_raid_adaptec_type(meta->configs[i].type)); 4378 kprintf(" %d dummy_1 0x%02x\n", i, meta->configs[i].dummy_1); 4379 kprintf(" %d flags %d\n", i, 4380 be32toh(meta->configs[i].flags)); 4381 kprintf(" %d dummy_2 0x%02x\n", i, meta->configs[i].dummy_2); 4382 kprintf(" %d dummy_3 0x%02x\n", i, meta->configs[i].dummy_3); 4383 kprintf(" %d dummy_4 0x%02x\n", i, meta->configs[i].dummy_4); 4384 kprintf(" %d dummy_5 0x%02x\n", i, meta->configs[i].dummy_5); 4385 kprintf(" %d disk_number %u\n", i, 4386 be32toh(meta->configs[i].disk_number)); 4387 kprintf(" %d dummy_6 0x%08x\n", i, 4388 be32toh(meta->configs[i].dummy_6)); 4389 kprintf(" %d sectors %u\n", i, 4390 be32toh(meta->configs[i].sectors)); 4391 kprintf(" %d stripe_shift %u\n", i, 4392 be16toh(meta->configs[i].stripe_shift)); 4393 kprintf(" %d dummy_7 0x%08x\n", i, 4394 be32toh(meta->configs[i].dummy_7)); 4395 kprintf(" %d dummy_8 0x%08x 0x%08x 0x%08x 0x%08x\n", i, 4396 be32toh(meta->configs[i].dummy_8[0]), 4397 be32toh(meta->configs[i].dummy_8[1]), 4398 be32toh(meta->configs[i].dummy_8[2]), 4399 be32toh(meta->configs[i].dummy_8[3])); 4400 kprintf(" %d name <%s>\n", i, meta->configs[i].name); 4401 } 4402 kprintf("magic_1 <0x%08x>\n", be32toh(meta->magic_1)); 4403 kprintf("magic_2 <0x%08x>\n", be32toh(meta->magic_2)); 4404 kprintf("magic_3 <0x%08x>\n", be32toh(meta->magic_3)); 4405 kprintf("magic_4 <0x%08x>\n", be32toh(meta->magic_4)); 4406 kprintf("=================================================\n"); 4407 } 4408 4409 static char * 4410 ata_raid_hptv2_type(int type) 4411 { 4412 static char buffer[16]; 4413 4414 switch (type) { 4415 case HPTV2_T_RAID0: return "RAID0"; 4416 case HPTV2_T_RAID1: return "RAID1"; 4417 case HPTV2_T_RAID01_RAID0: return "RAID01_RAID0"; 4418 case HPTV2_T_SPAN: return "SPAN"; 4419 case HPTV2_T_RAID_3: return "RAID3"; 4420 case HPTV2_T_RAID_5: return "RAID5"; 4421 case HPTV2_T_JBOD: return "JBOD"; 4422 case HPTV2_T_RAID01_RAID1: return "RAID01_RAID1"; 4423 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4424 return buffer; 4425 } 4426 } 4427 4428 static void 4429 ata_raid_hptv2_print_meta(struct hptv2_raid_conf *meta) 4430 { 4431 int i; 4432 4433 kprintf("****** ATA Highpoint V2 RocketRAID Metadata *****\n"); 4434 kprintf("magic 0x%08x\n", meta->magic); 4435 kprintf("magic_0 0x%08x\n", meta->magic_0); 4436 kprintf("magic_1 0x%08x\n", meta->magic_1); 4437 kprintf("order 0x%08x\n", meta->order); 4438 kprintf("array_width %u\n", meta->array_width); 4439 kprintf("stripe_shift %u\n", meta->stripe_shift); 4440 kprintf("type %s\n", ata_raid_hptv2_type(meta->type)); 4441 kprintf("disk_number %u\n", meta->disk_number); 4442 kprintf("total_sectors %u\n", meta->total_sectors); 4443 kprintf("disk_mode 0x%08x\n", meta->disk_mode); 4444 kprintf("boot_mode 0x%08x\n", meta->boot_mode); 4445 kprintf("boot_disk 0x%02x\n", meta->boot_disk); 4446 kprintf("boot_protect 0x%02x\n", meta->boot_protect); 4447 kprintf("log_entries 0x%02x\n", meta->error_log_entries); 4448 kprintf("log_index 0x%02x\n", meta->error_log_index); 4449 if (meta->error_log_entries) { 4450 kprintf(" timestamp reason disk status sectors lba\n"); 4451 for (i = meta->error_log_index; 4452 i < meta->error_log_index + meta->error_log_entries; i++) 4453 kprintf(" 0x%08x 0x%02x 0x%02x 0x%02x 0x%02x 0x%08x\n", 4454 meta->errorlog[i%32].timestamp, 4455 meta->errorlog[i%32].reason, 4456 meta->errorlog[i%32].disk, meta->errorlog[i%32].status, 4457 meta->errorlog[i%32].sectors, meta->errorlog[i%32].lba); 4458 } 4459 kprintf("rebuild_lba 0x%08x\n", meta->rebuild_lba); 4460 kprintf("dummy_1 0x%02x\n", meta->dummy_1); 4461 kprintf("name_1 <%.15s>\n", meta->name_1); 4462 kprintf("dummy_2 0x%02x\n", meta->dummy_2); 4463 kprintf("name_2 <%.15s>\n", meta->name_2); 4464 kprintf("=================================================\n"); 4465 } 4466 4467 static char * 4468 ata_raid_hptv3_type(int type) 4469 { 4470 static char buffer[16]; 4471 4472 switch (type) { 4473 case HPTV3_T_SPARE: return "SPARE"; 4474 case HPTV3_T_JBOD: return "JBOD"; 4475 case HPTV3_T_SPAN: return "SPAN"; 4476 case HPTV3_T_RAID0: return "RAID0"; 4477 case HPTV3_T_RAID1: return "RAID1"; 4478 case HPTV3_T_RAID3: return "RAID3"; 4479 case HPTV3_T_RAID5: return "RAID5"; 4480 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4481 return buffer; 4482 } 4483 } 4484 4485 static void 4486 ata_raid_hptv3_print_meta(struct hptv3_raid_conf *meta) 4487 { 4488 int i; 4489 4490 kprintf("****** ATA Highpoint V3 RocketRAID Metadata *****\n"); 4491 kprintf("magic 0x%08x\n", meta->magic); 4492 kprintf("magic_0 0x%08x\n", meta->magic_0); 4493 kprintf("checksum_0 0x%02x\n", meta->checksum_0); 4494 kprintf("mode 0x%02x\n", meta->mode); 4495 kprintf("user_mode 0x%02x\n", meta->user_mode); 4496 kprintf("config_entries 0x%02x\n", meta->config_entries); 4497 for (i = 0; i < meta->config_entries; i++) { 4498 kprintf("config %d:\n", i); 4499 kprintf(" total_sectors %ju\n", 4500 meta->configs[0].total_sectors + 4501 ((u_int64_t)meta->configs_high[0].total_sectors << 32)); 4502 kprintf(" type %s\n", 4503 ata_raid_hptv3_type(meta->configs[i].type)); 4504 kprintf(" total_disks %u\n", meta->configs[i].total_disks); 4505 kprintf(" disk_number %u\n", meta->configs[i].disk_number); 4506 kprintf(" stripe_shift %u\n", meta->configs[i].stripe_shift); 4507 kprintf(" status %b\n", meta->configs[i].status, 4508 "\20\2RAID5\1NEED_REBUILD\n"); 4509 kprintf(" critical_disks %u\n", meta->configs[i].critical_disks); 4510 kprintf(" rebuild_lba %ju\n", 4511 meta->configs_high[0].rebuild_lba + 4512 ((u_int64_t)meta->configs_high[0].rebuild_lba << 32)); 4513 } 4514 kprintf("name <%.16s>\n", meta->name); 4515 kprintf("timestamp 0x%08x\n", meta->timestamp); 4516 kprintf("description <%.16s>\n", meta->description); 4517 kprintf("creator <%.16s>\n", meta->creator); 4518 kprintf("checksum_1 0x%02x\n", meta->checksum_1); 4519 kprintf("dummy_0 0x%02x\n", meta->dummy_0); 4520 kprintf("dummy_1 0x%02x\n", meta->dummy_1); 4521 kprintf("flags %b\n", meta->flags, 4522 "\20\4RCACHE\3WCACHE\2NCQ\1TCQ\n"); 4523 kprintf("=================================================\n"); 4524 } 4525 4526 static char * 4527 ata_raid_intel_type(int type) 4528 { 4529 static char buffer[16]; 4530 4531 switch (type) { 4532 case INTEL_T_RAID0: return "RAID0"; 4533 case INTEL_T_RAID1: return "RAID1"; 4534 case INTEL_T_RAID5: return "RAID5"; 4535 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4536 return buffer; 4537 } 4538 } 4539 4540 static void 4541 ata_raid_intel_print_meta(struct intel_raid_conf *meta) 4542 { 4543 struct intel_raid_mapping *map; 4544 int i, j; 4545 4546 kprintf("********* ATA Intel MatrixRAID Metadata *********\n"); 4547 kprintf("intel_id <%.24s>\n", meta->intel_id); 4548 kprintf("version <%.6s>\n", meta->version); 4549 kprintf("checksum 0x%08x\n", meta->checksum); 4550 kprintf("config_size 0x%08x\n", meta->config_size); 4551 kprintf("config_id 0x%08x\n", meta->config_id); 4552 kprintf("generation 0x%08x\n", meta->generation); 4553 kprintf("total_disks %u\n", meta->total_disks); 4554 kprintf("total_volumes %u\n", meta->total_volumes); 4555 kprintf("DISK# serial disk_sectors disk_id flags\n"); 4556 for (i = 0; i < meta->total_disks; i++ ) { 4557 kprintf(" %d <%.16s> %u 0x%08x 0x%08x\n", i, 4558 meta->disk[i].serial, meta->disk[i].sectors, 4559 meta->disk[i].id, meta->disk[i].flags); 4560 } 4561 map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks]; 4562 for (j = 0; j < meta->total_volumes; j++) { 4563 kprintf("name %.16s\n", map->name); 4564 kprintf("total_sectors %ju\n", map->total_sectors); 4565 kprintf("state %u\n", map->state); 4566 kprintf("reserved %u\n", map->reserved); 4567 kprintf("offset %u\n", map->offset); 4568 kprintf("disk_sectors %u\n", map->disk_sectors); 4569 kprintf("stripe_count %u\n", map->stripe_count); 4570 kprintf("stripe_sectors %u\n", map->stripe_sectors); 4571 kprintf("status %u\n", map->status); 4572 kprintf("type %s\n", ata_raid_intel_type(map->type)); 4573 kprintf("total_disks %u\n", map->total_disks); 4574 kprintf("magic[0] 0x%02x\n", map->magic[0]); 4575 kprintf("magic[1] 0x%02x\n", map->magic[1]); 4576 kprintf("magic[2] 0x%02x\n", map->magic[2]); 4577 for (i = 0; i < map->total_disks; i++ ) { 4578 kprintf(" disk %d at disk_idx 0x%08x\n", i, map->disk_idx[i]); 4579 } 4580 map = (struct intel_raid_mapping *)&map->disk_idx[map->total_disks]; 4581 } 4582 kprintf("=================================================\n"); 4583 } 4584 4585 static char * 4586 ata_raid_ite_type(int type) 4587 { 4588 static char buffer[16]; 4589 4590 switch (type) { 4591 case ITE_T_RAID0: return "RAID0"; 4592 case ITE_T_RAID1: return "RAID1"; 4593 case ITE_T_RAID01: return "RAID0+1"; 4594 case ITE_T_SPAN: return "SPAN"; 4595 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4596 return buffer; 4597 } 4598 } 4599 4600 static void 4601 ata_raid_ite_print_meta(struct ite_raid_conf *meta) 4602 { 4603 kprintf("*** ATA Integrated Technology Express Metadata **\n"); 4604 kprintf("ite_id <%.40s>\n", meta->ite_id); 4605 kprintf("timestamp_0 %04x/%02x/%02x %02x:%02x:%02x.%02x\n", 4606 *((u_int16_t *)meta->timestamp_0), meta->timestamp_0[2], 4607 meta->timestamp_0[3], meta->timestamp_0[5], meta->timestamp_0[4], 4608 meta->timestamp_0[7], meta->timestamp_0[6]); 4609 kprintf("total_sectors %jd\n", meta->total_sectors); 4610 kprintf("type %s\n", ata_raid_ite_type(meta->type)); 4611 kprintf("stripe_1kblocks %u\n", meta->stripe_1kblocks); 4612 kprintf("timestamp_1 %04x/%02x/%02x %02x:%02x:%02x.%02x\n", 4613 *((u_int16_t *)meta->timestamp_1), meta->timestamp_1[2], 4614 meta->timestamp_1[3], meta->timestamp_1[5], meta->timestamp_1[4], 4615 meta->timestamp_1[7], meta->timestamp_1[6]); 4616 kprintf("stripe_sectors %u\n", meta->stripe_sectors); 4617 kprintf("array_width %u\n", meta->array_width); 4618 kprintf("disk_number %u\n", meta->disk_number); 4619 kprintf("disk_sectors %u\n", meta->disk_sectors); 4620 kprintf("=================================================\n"); 4621 } 4622 4623 static char * 4624 ata_raid_jmicron_type(int type) 4625 { 4626 static char buffer[16]; 4627 4628 switch (type) { 4629 case JM_T_RAID0: return "RAID0"; 4630 case JM_T_RAID1: return "RAID1"; 4631 case JM_T_RAID01: return "RAID0+1"; 4632 case JM_T_JBOD: return "JBOD"; 4633 case JM_T_RAID5: return "RAID5"; 4634 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4635 return buffer; 4636 } 4637 } 4638 4639 static void 4640 ata_raid_jmicron_print_meta(struct jmicron_raid_conf *meta) 4641 { 4642 int i; 4643 4644 kprintf("***** ATA JMicron Technology Corp Metadata ******\n"); 4645 kprintf("signature %.2s\n", meta->signature); 4646 kprintf("version 0x%04x\n", meta->version); 4647 kprintf("checksum 0x%04x\n", meta->checksum); 4648 kprintf("disk_id 0x%08x\n", meta->disk_id); 4649 kprintf("offset 0x%08x\n", meta->offset); 4650 kprintf("disk_sectors_low 0x%08x\n", meta->disk_sectors_low); 4651 kprintf("disk_sectors_high 0x%08x\n", meta->disk_sectors_high); 4652 kprintf("name %.16s\n", meta->name); 4653 kprintf("type %s\n", ata_raid_jmicron_type(meta->type)); 4654 kprintf("stripe_shift %d\n", meta->stripe_shift); 4655 kprintf("flags 0x%04x\n", meta->flags); 4656 kprintf("spare:\n"); 4657 for (i=0; i < 2 && meta->spare[i]; i++) 4658 kprintf(" %d 0x%08x\n", i, meta->spare[i]); 4659 kprintf("disks:\n"); 4660 for (i=0; i < 8 && meta->disks[i]; i++) 4661 kprintf(" %d 0x%08x\n", i, meta->disks[i]); 4662 kprintf("=================================================\n"); 4663 } 4664 4665 static char * 4666 ata_raid_lsiv2_type(int type) 4667 { 4668 static char buffer[16]; 4669 4670 switch (type) { 4671 case LSIV2_T_RAID0: return "RAID0"; 4672 case LSIV2_T_RAID1: return "RAID1"; 4673 case LSIV2_T_SPARE: return "SPARE"; 4674 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4675 return buffer; 4676 } 4677 } 4678 4679 static void 4680 ata_raid_lsiv2_print_meta(struct lsiv2_raid_conf *meta) 4681 { 4682 int i; 4683 4684 kprintf("******* ATA LSILogic V2 MegaRAID Metadata *******\n"); 4685 kprintf("lsi_id <%s>\n", meta->lsi_id); 4686 kprintf("dummy_0 0x%02x\n", meta->dummy_0); 4687 kprintf("flags 0x%02x\n", meta->flags); 4688 kprintf("version 0x%04x\n", meta->version); 4689 kprintf("config_entries 0x%02x\n", meta->config_entries); 4690 kprintf("raid_count 0x%02x\n", meta->raid_count); 4691 kprintf("total_disks 0x%02x\n", meta->total_disks); 4692 kprintf("dummy_1 0x%02x\n", meta->dummy_1); 4693 kprintf("dummy_2 0x%04x\n", meta->dummy_2); 4694 for (i = 0; i < meta->config_entries; i++) { 4695 kprintf(" type %s\n", 4696 ata_raid_lsiv2_type(meta->configs[i].raid.type)); 4697 kprintf(" dummy_0 %02x\n", meta->configs[i].raid.dummy_0); 4698 kprintf(" stripe_sectors %u\n", 4699 meta->configs[i].raid.stripe_sectors); 4700 kprintf(" array_width %u\n", 4701 meta->configs[i].raid.array_width); 4702 kprintf(" disk_count %u\n", meta->configs[i].raid.disk_count); 4703 kprintf(" config_offset %u\n", 4704 meta->configs[i].raid.config_offset); 4705 kprintf(" dummy_1 %u\n", meta->configs[i].raid.dummy_1); 4706 kprintf(" flags %02x\n", meta->configs[i].raid.flags); 4707 kprintf(" total_sectors %u\n", 4708 meta->configs[i].raid.total_sectors); 4709 } 4710 kprintf("disk_number 0x%02x\n", meta->disk_number); 4711 kprintf("raid_number 0x%02x\n", meta->raid_number); 4712 kprintf("timestamp 0x%08x\n", meta->timestamp); 4713 kprintf("=================================================\n"); 4714 } 4715 4716 static char * 4717 ata_raid_lsiv3_type(int type) 4718 { 4719 static char buffer[16]; 4720 4721 switch (type) { 4722 case LSIV3_T_RAID0: return "RAID0"; 4723 case LSIV3_T_RAID1: return "RAID1"; 4724 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4725 return buffer; 4726 } 4727 } 4728 4729 static void 4730 ata_raid_lsiv3_print_meta(struct lsiv3_raid_conf *meta) 4731 { 4732 int i; 4733 4734 kprintf("******* ATA LSILogic V3 MegaRAID Metadata *******\n"); 4735 kprintf("lsi_id <%.6s>\n", meta->lsi_id); 4736 kprintf("dummy_0 0x%04x\n", meta->dummy_0); 4737 kprintf("version 0x%04x\n", meta->version); 4738 kprintf("dummy_0 0x%04x\n", meta->dummy_1); 4739 kprintf("RAID configs:\n"); 4740 for (i = 0; i < 8; i++) { 4741 if (meta->raid[i].total_disks) { 4742 kprintf("%02d stripe_pages %u\n", i, 4743 meta->raid[i].stripe_pages); 4744 kprintf("%02d type %s\n", i, 4745 ata_raid_lsiv3_type(meta->raid[i].type)); 4746 kprintf("%02d total_disks %u\n", i, 4747 meta->raid[i].total_disks); 4748 kprintf("%02d array_width %u\n", i, 4749 meta->raid[i].array_width); 4750 kprintf("%02d sectors %u\n", i, meta->raid[i].sectors); 4751 kprintf("%02d offset %u\n", i, meta->raid[i].offset); 4752 kprintf("%02d device 0x%02x\n", i, 4753 meta->raid[i].device); 4754 } 4755 } 4756 kprintf("DISK configs:\n"); 4757 for (i = 0; i < 6; i++) { 4758 if (meta->disk[i].disk_sectors) { 4759 kprintf("%02d disk_sectors %u\n", i, 4760 meta->disk[i].disk_sectors); 4761 kprintf("%02d flags 0x%02x\n", i, meta->disk[i].flags); 4762 } 4763 } 4764 kprintf("device 0x%02x\n", meta->device); 4765 kprintf("timestamp 0x%08x\n", meta->timestamp); 4766 kprintf("checksum_1 0x%02x\n", meta->checksum_1); 4767 kprintf("=================================================\n"); 4768 } 4769 4770 static char * 4771 ata_raid_nvidia_type(int type) 4772 { 4773 static char buffer[16]; 4774 4775 switch (type) { 4776 case NV_T_SPAN: return "SPAN"; 4777 case NV_T_RAID0: return "RAID0"; 4778 case NV_T_RAID1: return "RAID1"; 4779 case NV_T_RAID3: return "RAID3"; 4780 case NV_T_RAID5: return "RAID5"; 4781 case NV_T_RAID01: return "RAID0+1"; 4782 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4783 return buffer; 4784 } 4785 } 4786 4787 static void 4788 ata_raid_nvidia_print_meta(struct nvidia_raid_conf *meta) 4789 { 4790 kprintf("******** ATA nVidia MediaShield Metadata ********\n"); 4791 kprintf("nvidia_id <%.8s>\n", meta->nvidia_id); 4792 kprintf("config_size %u\n", meta->config_size); 4793 kprintf("checksum 0x%08x\n", meta->checksum); 4794 kprintf("version 0x%04x\n", meta->version); 4795 kprintf("disk_number %u\n", meta->disk_number); 4796 kprintf("dummy_0 0x%02x\n", meta->dummy_0); 4797 kprintf("total_sectors %u\n", meta->total_sectors); 4798 kprintf("sectors_size %u\n", meta->sector_size); 4799 kprintf("serial %.16s\n", meta->serial); 4800 kprintf("revision %.4s\n", meta->revision); 4801 kprintf("dummy_1 0x%08x\n", meta->dummy_1); 4802 kprintf("magic_0 0x%08x\n", meta->magic_0); 4803 kprintf("magic_1 0x%016jx\n", meta->magic_1); 4804 kprintf("magic_2 0x%016jx\n", meta->magic_2); 4805 kprintf("flags 0x%02x\n", meta->flags); 4806 kprintf("array_width %u\n", meta->array_width); 4807 kprintf("total_disks %u\n", meta->total_disks); 4808 kprintf("dummy_2 0x%02x\n", meta->dummy_2); 4809 kprintf("type %s\n", ata_raid_nvidia_type(meta->type)); 4810 kprintf("dummy_3 0x%04x\n", meta->dummy_3); 4811 kprintf("stripe_sectors %u\n", meta->stripe_sectors); 4812 kprintf("stripe_bytes %u\n", meta->stripe_bytes); 4813 kprintf("stripe_shift %u\n", meta->stripe_shift); 4814 kprintf("stripe_mask 0x%08x\n", meta->stripe_mask); 4815 kprintf("stripe_sizesectors %u\n", meta->stripe_sizesectors); 4816 kprintf("stripe_sizebytes %u\n", meta->stripe_sizebytes); 4817 kprintf("rebuild_lba %u\n", meta->rebuild_lba); 4818 kprintf("dummy_4 0x%08x\n", meta->dummy_4); 4819 kprintf("dummy_5 0x%08x\n", meta->dummy_5); 4820 kprintf("status 0x%08x\n", meta->status); 4821 kprintf("=================================================\n"); 4822 } 4823 4824 static char * 4825 ata_raid_promise_type(int type) 4826 { 4827 static char buffer[16]; 4828 4829 switch (type) { 4830 case PR_T_RAID0: return "RAID0"; 4831 case PR_T_RAID1: return "RAID1"; 4832 case PR_T_RAID3: return "RAID3"; 4833 case PR_T_RAID5: return "RAID5"; 4834 case PR_T_SPAN: return "SPAN"; 4835 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4836 return buffer; 4837 } 4838 } 4839 4840 static void 4841 ata_raid_promise_print_meta(struct promise_raid_conf *meta) 4842 { 4843 int i; 4844 4845 kprintf("********* ATA Promise FastTrak Metadata *********\n"); 4846 kprintf("promise_id <%s>\n", meta->promise_id); 4847 kprintf("dummy_0 0x%08x\n", meta->dummy_0); 4848 kprintf("magic_0 0x%016jx\n", meta->magic_0); 4849 kprintf("magic_1 0x%04x\n", meta->magic_1); 4850 kprintf("magic_2 0x%08x\n", meta->magic_2); 4851 kprintf("integrity 0x%08x %b\n", meta->raid.integrity, 4852 meta->raid.integrity, "\20\10VALID\n" ); 4853 kprintf("flags 0x%02x %b\n", 4854 meta->raid.flags, meta->raid.flags, 4855 "\20\10READY\7DOWN\6REDIR\5DUPLICATE\4SPARE" 4856 "\3ASSIGNED\2ONLINE\1VALID\n"); 4857 kprintf("disk_number %d\n", meta->raid.disk_number); 4858 kprintf("channel 0x%02x\n", meta->raid.channel); 4859 kprintf("device 0x%02x\n", meta->raid.device); 4860 kprintf("magic_0 0x%016jx\n", meta->raid.magic_0); 4861 kprintf("disk_offset %u\n", meta->raid.disk_offset); 4862 kprintf("disk_sectors %u\n", meta->raid.disk_sectors); 4863 kprintf("rebuild_lba 0x%08x\n", meta->raid.rebuild_lba); 4864 kprintf("generation 0x%04x\n", meta->raid.generation); 4865 kprintf("status 0x%02x %b\n", 4866 meta->raid.status, meta->raid.status, 4867 "\20\6MARKED\5DEGRADED\4READY\3INITED\2ONLINE\1VALID\n"); 4868 kprintf("type %s\n", ata_raid_promise_type(meta->raid.type)); 4869 kprintf("total_disks %u\n", meta->raid.total_disks); 4870 kprintf("stripe_shift %u\n", meta->raid.stripe_shift); 4871 kprintf("array_width %u\n", meta->raid.array_width); 4872 kprintf("array_number %u\n", meta->raid.array_number); 4873 kprintf("total_sectors %u\n", meta->raid.total_sectors); 4874 kprintf("cylinders %u\n", meta->raid.cylinders); 4875 kprintf("heads %u\n", meta->raid.heads); 4876 kprintf("sectors %u\n", meta->raid.sectors); 4877 kprintf("magic_1 0x%016jx\n", meta->raid.magic_1); 4878 kprintf("DISK# flags dummy_0 channel device magic_0\n"); 4879 for (i = 0; i < 8; i++) { 4880 kprintf(" %d %b 0x%02x 0x%02x 0x%02x ", 4881 i, meta->raid.disk[i].flags, 4882 "\20\10READY\7DOWN\6REDIR\5DUPLICATE\4SPARE" 4883 "\3ASSIGNED\2ONLINE\1VALID\n", meta->raid.disk[i].dummy_0, 4884 meta->raid.disk[i].channel, meta->raid.disk[i].device); 4885 kprintf("0x%016jx\n", meta->raid.disk[i].magic_0); 4886 } 4887 kprintf("checksum 0x%08x\n", meta->checksum); 4888 kprintf("=================================================\n"); 4889 } 4890 4891 static char * 4892 ata_raid_sii_type(int type) 4893 { 4894 static char buffer[16]; 4895 4896 switch (type) { 4897 case SII_T_RAID0: return "RAID0"; 4898 case SII_T_RAID1: return "RAID1"; 4899 case SII_T_RAID01: return "RAID0+1"; 4900 case SII_T_SPARE: return "SPARE"; 4901 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4902 return buffer; 4903 } 4904 } 4905 4906 static void 4907 ata_raid_sii_print_meta(struct sii_raid_conf *meta) 4908 { 4909 kprintf("******* ATA Silicon Image Medley Metadata *******\n"); 4910 kprintf("total_sectors %ju\n", meta->total_sectors); 4911 kprintf("dummy_0 0x%04x\n", meta->dummy_0); 4912 kprintf("dummy_1 0x%04x\n", meta->dummy_1); 4913 kprintf("controller_pci_id 0x%08x\n", meta->controller_pci_id); 4914 kprintf("version_minor 0x%04x\n", meta->version_minor); 4915 kprintf("version_major 0x%04x\n", meta->version_major); 4916 kprintf("timestamp 20%02x/%02x/%02x %02x:%02x:%02x\n", 4917 meta->timestamp[5], meta->timestamp[4], meta->timestamp[3], 4918 meta->timestamp[2], meta->timestamp[1], meta->timestamp[0]); 4919 kprintf("stripe_sectors %u\n", meta->stripe_sectors); 4920 kprintf("dummy_2 0x%04x\n", meta->dummy_2); 4921 kprintf("disk_number %u\n", meta->disk_number); 4922 kprintf("type %s\n", ata_raid_sii_type(meta->type)); 4923 kprintf("raid0_disks %u\n", meta->raid0_disks); 4924 kprintf("raid0_ident %u\n", meta->raid0_ident); 4925 kprintf("raid1_disks %u\n", meta->raid1_disks); 4926 kprintf("raid1_ident %u\n", meta->raid1_ident); 4927 kprintf("rebuild_lba %ju\n", meta->rebuild_lba); 4928 kprintf("generation 0x%08x\n", meta->generation); 4929 kprintf("status 0x%02x %b\n", 4930 meta->status, meta->status, 4931 "\20\1READY\n"); 4932 kprintf("base_raid1_position %02x\n", meta->base_raid1_position); 4933 kprintf("base_raid0_position %02x\n", meta->base_raid0_position); 4934 kprintf("position %02x\n", meta->position); 4935 kprintf("dummy_3 %04x\n", meta->dummy_3); 4936 kprintf("name <%.16s>\n", meta->name); 4937 kprintf("checksum_0 0x%04x\n", meta->checksum_0); 4938 kprintf("checksum_1 0x%04x\n", meta->checksum_1); 4939 kprintf("=================================================\n"); 4940 } 4941 4942 static char * 4943 ata_raid_sis_type(int type) 4944 { 4945 static char buffer[16]; 4946 4947 switch (type) { 4948 case SIS_T_JBOD: return "JBOD"; 4949 case SIS_T_RAID0: return "RAID0"; 4950 case SIS_T_RAID1: return "RAID1"; 4951 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4952 return buffer; 4953 } 4954 } 4955 4956 static void 4957 ata_raid_sis_print_meta(struct sis_raid_conf *meta) 4958 { 4959 kprintf("**** ATA Silicon Integrated Systems Metadata ****\n"); 4960 kprintf("magic 0x%04x\n", meta->magic); 4961 kprintf("disks 0x%02x\n", meta->disks); 4962 kprintf("type %s\n", 4963 ata_raid_sis_type(meta->type_total_disks & SIS_T_MASK)); 4964 kprintf("total_disks %u\n", meta->type_total_disks & SIS_D_MASK); 4965 kprintf("dummy_0 0x%08x\n", meta->dummy_0); 4966 kprintf("controller_pci_id 0x%08x\n", meta->controller_pci_id); 4967 kprintf("stripe_sectors %u\n", meta->stripe_sectors); 4968 kprintf("dummy_1 0x%04x\n", meta->dummy_1); 4969 kprintf("timestamp 0x%08x\n", meta->timestamp); 4970 kprintf("model %.40s\n", meta->model); 4971 kprintf("disk_number %u\n", meta->disk_number); 4972 kprintf("dummy_2 0x%02x 0x%02x 0x%02x\n", 4973 meta->dummy_2[0], meta->dummy_2[1], meta->dummy_2[2]); 4974 kprintf("=================================================\n"); 4975 } 4976 4977 static char * 4978 ata_raid_via_type(int type) 4979 { 4980 static char buffer[16]; 4981 4982 switch (type) { 4983 case VIA_T_RAID0: return "RAID0"; 4984 case VIA_T_RAID1: return "RAID1"; 4985 case VIA_T_RAID5: return "RAID5"; 4986 case VIA_T_RAID01: return "RAID0+1"; 4987 case VIA_T_SPAN: return "SPAN"; 4988 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4989 return buffer; 4990 } 4991 } 4992 4993 static void 4994 ata_raid_via_print_meta(struct via_raid_conf *meta) 4995 { 4996 int i; 4997 4998 kprintf("*************** ATA VIA Metadata ****************\n"); 4999 kprintf("magic 0x%02x\n", meta->magic); 5000 kprintf("dummy_0 0x%02x\n", meta->dummy_0); 5001 kprintf("type %s\n", 5002 ata_raid_via_type(meta->type & VIA_T_MASK)); 5003 kprintf("bootable %d\n", meta->type & VIA_T_BOOTABLE); 5004 kprintf("unknown %d\n", meta->type & VIA_T_UNKNOWN); 5005 kprintf("disk_index 0x%02x\n", meta->disk_index); 5006 kprintf("stripe_layout 0x%02x\n", meta->stripe_layout); 5007 kprintf(" stripe_disks %d\n", meta->stripe_layout & VIA_L_DISKS); 5008 kprintf(" stripe_sectors %d\n", 5009 0x08 << ((meta->stripe_layout & VIA_L_MASK) >> VIA_L_SHIFT)); 5010 kprintf("disk_sectors %ju\n", meta->disk_sectors); 5011 kprintf("disk_id 0x%08x\n", meta->disk_id); 5012 kprintf("DISK# disk_id\n"); 5013 for (i = 0; i < 8; i++) { 5014 if (meta->disks[i]) 5015 kprintf(" %d 0x%08x\n", i, meta->disks[i]); 5016 } 5017 kprintf("checksum 0x%02x\n", meta->checksum); 5018 kprintf("=================================================\n"); 5019 } 5020