1 /*- 2 * Copyright (c) 2000 - 2006 S�ren Schmidt <sos@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer, 10 * without modification, immediately at the beginning of the file. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 * $FreeBSD: src/sys/dev/ata/ata-raid.c,v 1.120 2006/04/15 10:27:41 maxim Exp $ 27 */ 28 29 #include "opt_ata.h" 30 31 #include <sys/param.h> 32 #include <sys/bio.h> 33 #include <sys/buf.h> 34 #include <sys/buf2.h> 35 #include <sys/bus.h> 36 #include <sys/conf.h> 37 #include <sys/device.h> 38 #include <sys/disk.h> 39 #include <sys/endian.h> 40 #include <sys/libkern.h> 41 #include <sys/malloc.h> 42 #include <sys/module.h> 43 #include <sys/nata.h> 44 #include <sys/spinlock2.h> 45 #include <sys/systm.h> 46 47 #include <vm/pmap.h> 48 49 #include <machine/md_var.h> 50 51 #include <bus/pci/pcivar.h> 52 53 #include "ata-all.h" 54 #include "ata-disk.h" 55 #include "ata-raid.h" 56 #include "ata-pci.h" 57 #include "ata_if.h" 58 59 60 /* device structure */ 61 static d_strategy_t ata_raid_strategy; 62 static d_dump_t ata_raid_dump; 63 static struct dev_ops ar_ops = { 64 { "ar", 0, D_DISK }, 65 .d_open = nullopen, 66 .d_close = nullclose, 67 .d_read = physread, 68 .d_write = physwrite, 69 .d_strategy = ata_raid_strategy, 70 .d_dump = ata_raid_dump, 71 }; 72 73 /* prototypes */ 74 static void ata_raid_done(struct ata_request *request); 75 static void ata_raid_config_changed(struct ar_softc *rdp, int writeback); 76 static int ata_raid_status(struct ata_ioc_raid_config *config); 77 static int ata_raid_create(struct ata_ioc_raid_config *config); 78 static int ata_raid_delete(int array); 79 static int ata_raid_addspare(struct ata_ioc_raid_config *config); 80 static int ata_raid_rebuild(int array); 81 static int ata_raid_read_metadata(device_t subdisk); 82 static int ata_raid_write_metadata(struct ar_softc *rdp); 83 static int ata_raid_wipe_metadata(struct ar_softc *rdp); 84 static int ata_raid_adaptec_read_meta(device_t dev, struct ar_softc **raidp); 85 static int ata_raid_hptv2_read_meta(device_t dev, struct ar_softc **raidp); 86 static int ata_raid_hptv2_write_meta(struct ar_softc *rdp); 87 static int ata_raid_hptv3_read_meta(device_t dev, struct ar_softc **raidp); 88 static int ata_raid_intel_read_meta(device_t dev, struct ar_softc **raidp); 89 static int ata_raid_intel_write_meta(struct ar_softc *rdp); 90 static int ata_raid_ite_read_meta(device_t dev, struct ar_softc **raidp); 91 static int ata_raid_jmicron_read_meta(device_t dev, struct ar_softc **raidp); 92 static int ata_raid_jmicron_write_meta(struct ar_softc *rdp); 93 static int ata_raid_lsiv2_read_meta(device_t dev, struct ar_softc **raidp); 94 static int ata_raid_lsiv3_read_meta(device_t dev, struct ar_softc **raidp); 95 static int ata_raid_nvidia_read_meta(device_t dev, struct ar_softc **raidp); 96 static int ata_raid_promise_read_meta(device_t dev, struct ar_softc **raidp, int native); 97 static int ata_raid_promise_write_meta(struct ar_softc *rdp); 98 static int ata_raid_sii_read_meta(device_t dev, struct ar_softc **raidp); 99 static int ata_raid_sis_read_meta(device_t dev, struct ar_softc **raidp); 100 static int ata_raid_sis_write_meta(struct ar_softc *rdp); 101 static int ata_raid_via_read_meta(device_t dev, struct ar_softc **raidp); 102 static int ata_raid_via_write_meta(struct ar_softc *rdp); 103 static struct ata_request *ata_raid_init_request(struct ar_softc *rdp, struct bio *bio); 104 static int ata_raid_send_request(struct ata_request *request); 105 static int ata_raid_rw(device_t dev, u_int64_t lba, void *data, u_int bcount, int flags); 106 static char * ata_raid_format(struct ar_softc *rdp); 107 static char * ata_raid_type(struct ar_softc *rdp); 108 static char * ata_raid_flags(struct ar_softc *rdp); 109 110 /* debugging only */ 111 static void ata_raid_print_meta(struct ar_softc *meta); 112 static void ata_raid_adaptec_print_meta(struct adaptec_raid_conf *meta); 113 static void ata_raid_hptv2_print_meta(struct hptv2_raid_conf *meta); 114 static void ata_raid_hptv3_print_meta(struct hptv3_raid_conf *meta); 115 static void ata_raid_intel_print_meta(struct intel_raid_conf *meta); 116 static void ata_raid_ite_print_meta(struct ite_raid_conf *meta); 117 static void ata_raid_jmicron_print_meta(struct jmicron_raid_conf *meta); 118 static void ata_raid_lsiv2_print_meta(struct lsiv2_raid_conf *meta); 119 static void ata_raid_lsiv3_print_meta(struct lsiv3_raid_conf *meta); 120 static void ata_raid_nvidia_print_meta(struct nvidia_raid_conf *meta); 121 static void ata_raid_promise_print_meta(struct promise_raid_conf *meta); 122 static void ata_raid_sii_print_meta(struct sii_raid_conf *meta); 123 static void ata_raid_sis_print_meta(struct sis_raid_conf *meta); 124 static void ata_raid_via_print_meta(struct via_raid_conf *meta); 125 126 /* internal vars */ 127 static struct ar_softc *ata_raid_arrays[MAX_ARRAYS]; 128 static MALLOC_DEFINE(M_AR, "ar_driver", "ATA PseudoRAID driver"); 129 static devclass_t ata_raid_sub_devclass; 130 static int testing = 0; 131 132 static void 133 ata_raid_attach(struct ar_softc *rdp, int writeback) 134 { 135 struct disk_info info; 136 cdev_t cdev; 137 char buffer[32]; 138 int disk; 139 140 spin_init(&rdp->lock); 141 ata_raid_config_changed(rdp, writeback); 142 143 /* sanitize arrays total_size % (width * interleave) == 0 */ 144 if (rdp->type == AR_T_RAID0 || rdp->type == AR_T_RAID01 || 145 rdp->type == AR_T_RAID5) { 146 rdp->total_sectors = (rdp->total_sectors/(rdp->interleave*rdp->width))* 147 (rdp->interleave * rdp->width); 148 ksprintf(buffer, " (stripe %d KB)", 149 (rdp->interleave * DEV_BSIZE) / 1024); 150 } 151 else 152 buffer[0] = '\0'; 153 /* XXX TGEN add devstats? */ 154 cdev = disk_create(rdp->lun, &rdp->disk, &ar_ops); 155 cdev->si_drv1 = rdp; 156 cdev->si_iosize_max = 128 * DEV_BSIZE; 157 rdp->cdev = cdev; 158 159 bzero(&info, sizeof(info)); 160 info.d_media_blksize = DEV_BSIZE; /* mandatory */ 161 info.d_media_blocks = rdp->total_sectors; 162 163 info.d_secpertrack = rdp->sectors; /* optional */ 164 info.d_nheads = rdp->heads; 165 info.d_ncylinders = rdp->total_sectors/(rdp->heads*rdp->sectors); 166 info.d_secpercyl = rdp->sectors * rdp->heads; 167 168 kprintf("ar%d: %juMB <%s %s%s> status: %s\n", rdp->lun, 169 rdp->total_sectors / ((1024L * 1024L) / DEV_BSIZE), 170 ata_raid_format(rdp), ata_raid_type(rdp), 171 buffer, ata_raid_flags(rdp)); 172 173 if (testing || bootverbose) 174 kprintf("ar%d: %ju sectors [%dC/%dH/%dS] <%s> subdisks defined as:\n", 175 rdp->lun, rdp->total_sectors, 176 rdp->cylinders, rdp->heads, rdp->sectors, rdp->name); 177 178 for (disk = 0; disk < rdp->total_disks; disk++) { 179 kprintf("ar%d: disk%d ", rdp->lun, disk); 180 if (rdp->disks[disk].dev) { 181 if (rdp->disks[disk].flags & AR_DF_PRESENT) { 182 /* status of this disk in the array */ 183 if (rdp->disks[disk].flags & AR_DF_ONLINE) 184 kprintf("READY "); 185 else if (rdp->disks[disk].flags & AR_DF_SPARE) 186 kprintf("SPARE "); 187 else 188 kprintf("FREE "); 189 190 /* what type of disk is this in the array */ 191 switch (rdp->type) { 192 case AR_T_RAID1: 193 case AR_T_RAID01: 194 if (disk < rdp->width) 195 kprintf("(master) "); 196 else 197 kprintf("(mirror) "); 198 } 199 200 /* which physical disk is used */ 201 kprintf("using %s at ata%d-%s\n", 202 device_get_nameunit(rdp->disks[disk].dev), 203 device_get_unit(device_get_parent(rdp->disks[disk].dev)), 204 (((struct ata_device *) 205 device_get_softc(rdp->disks[disk].dev))->unit == 206 ATA_MASTER) ? "master" : "slave"); 207 } 208 else if (rdp->disks[disk].flags & AR_DF_ASSIGNED) 209 kprintf("DOWN\n"); 210 else 211 kprintf("INVALID no RAID config on this subdisk\n"); 212 } 213 else 214 kprintf("DOWN no device found for this subdisk\n"); 215 } 216 217 disk_setdiskinfo(&rdp->disk, &info); 218 } 219 220 /* 221 * ATA PseudoRAID ioctl function. Note that this does not need to be adjusted 222 * to the dev_ops way, because it's just chained from the generic ata ioctl. 223 */ 224 static int 225 ata_raid_ioctl(u_long cmd, caddr_t data) 226 { 227 struct ata_ioc_raid_config *config = (struct ata_ioc_raid_config *)data; 228 int *lun = (int *)data; 229 int error = EOPNOTSUPP; 230 231 switch (cmd) { 232 case IOCATARAIDSTATUS: 233 error = ata_raid_status(config); 234 break; 235 236 case IOCATARAIDCREATE: 237 error = ata_raid_create(config); 238 break; 239 240 case IOCATARAIDDELETE: 241 error = ata_raid_delete(*lun); 242 break; 243 244 case IOCATARAIDADDSPARE: 245 error = ata_raid_addspare(config); 246 break; 247 248 case IOCATARAIDREBUILD: 249 error = ata_raid_rebuild(*lun); 250 break; 251 } 252 return error; 253 } 254 255 static int 256 ata_raid_flush(struct ar_softc *rdp, struct bio *bp) 257 { 258 struct ata_request *request; 259 device_t dev; 260 int disk; 261 262 bp->bio_driver_info = NULL; 263 264 for (disk = 0; disk < rdp->total_disks; disk++) { 265 if ((dev = rdp->disks[disk].dev) != NULL) 266 bp->bio_driver_info = (void *)((intptr_t)bp->bio_driver_info + 1); 267 } 268 for (disk = 0; disk < rdp->total_disks; disk++) { 269 if ((dev = rdp->disks[disk].dev) == NULL) 270 continue; 271 if (!(request = ata_raid_init_request(rdp, bp))) 272 return ENOMEM; 273 request->dev = dev; 274 request->u.ata.command = ATA_FLUSHCACHE; 275 request->u.ata.lba = 0; 276 request->u.ata.count = 0; 277 request->u.ata.feature = 0; 278 request->timeout = 1; 279 request->retries = 0; 280 request->flags |= ATA_R_ORDERED | ATA_R_DIRECT; 281 ata_queue_request(request); 282 } 283 return 0; 284 } 285 286 /* 287 * XXX TGEN there are a lot of offset -> block number conversions going on 288 * here, which is suboptimal. 289 */ 290 static int 291 ata_raid_strategy(struct dev_strategy_args *ap) 292 { 293 struct ar_softc *rdp = ap->a_head.a_dev->si_drv1; 294 struct bio *bp = ap->a_bio; 295 struct buf *bbp = bp->bio_buf; 296 struct ata_request *request; 297 caddr_t data; 298 u_int64_t blkno, lba, blk = 0; 299 int count, chunk, drv, par = 0, change = 0; 300 301 if (bbp->b_cmd == BUF_CMD_FLUSH) { 302 int error; 303 304 error = ata_raid_flush(rdp, bp); 305 if (error != 0) { 306 bbp->b_flags |= B_ERROR; 307 bbp->b_error = error; 308 biodone(bp); 309 } 310 return(0); 311 } 312 313 if (!(rdp->status & AR_S_READY) || 314 (bbp->b_cmd != BUF_CMD_READ && bbp->b_cmd != BUF_CMD_WRITE)) { 315 bbp->b_flags |= B_ERROR; 316 bbp->b_error = EIO; 317 biodone(bp); 318 return(0); 319 } 320 321 bbp->b_resid = bbp->b_bcount; 322 for (count = howmany(bbp->b_bcount, DEV_BSIZE), 323 /* bio_offset is byte granularity, convert */ 324 blkno = (u_int64_t)(bp->bio_offset >> DEV_BSHIFT), 325 data = bbp->b_data; 326 count > 0; 327 count -= chunk, blkno += chunk, data += (chunk * DEV_BSIZE)) { 328 329 switch (rdp->type) { 330 case AR_T_RAID1: 331 drv = 0; 332 lba = blkno; 333 chunk = count; 334 break; 335 336 case AR_T_JBOD: 337 case AR_T_SPAN: 338 drv = 0; 339 lba = blkno; 340 while (lba >= rdp->disks[drv].sectors) 341 lba -= rdp->disks[drv++].sectors; 342 chunk = min(rdp->disks[drv].sectors - lba, count); 343 break; 344 345 case AR_T_RAID0: 346 case AR_T_RAID01: 347 chunk = blkno % rdp->interleave; 348 drv = (blkno / rdp->interleave) % rdp->width; 349 lba = (((blkno/rdp->interleave)/rdp->width)*rdp->interleave)+chunk; 350 chunk = min(count, rdp->interleave - chunk); 351 break; 352 353 case AR_T_RAID5: 354 drv = (blkno / rdp->interleave) % (rdp->width - 1); 355 par = rdp->width - 1 - 356 (blkno / (rdp->interleave * (rdp->width - 1))) % rdp->width; 357 if (drv >= par) 358 drv++; 359 lba = ((blkno/rdp->interleave)/(rdp->width-1))*(rdp->interleave) + 360 ((blkno%(rdp->interleave*(rdp->width-1)))%rdp->interleave); 361 chunk = min(count, rdp->interleave - (lba % rdp->interleave)); 362 break; 363 364 default: 365 kprintf("ar%d: unknown array type in ata_raid_strategy\n", rdp->lun); 366 bbp->b_flags |= B_ERROR; 367 bbp->b_error = EIO; 368 biodone(bp); 369 return(0); 370 } 371 372 /* offset on all but "first on HPTv2" */ 373 if (!(drv == 0 && rdp->format == AR_F_HPTV2_RAID)) 374 lba += rdp->offset_sectors; 375 376 if (!(request = ata_raid_init_request(rdp, bp))) { 377 bbp->b_flags |= B_ERROR; 378 bbp->b_error = EIO; 379 biodone(bp); 380 return(0); 381 } 382 request->data = data; 383 request->bytecount = chunk * DEV_BSIZE; 384 request->u.ata.lba = lba; 385 request->u.ata.count = request->bytecount / DEV_BSIZE; 386 387 switch (rdp->type) { 388 case AR_T_JBOD: 389 case AR_T_SPAN: 390 case AR_T_RAID0: 391 if (((rdp->disks[drv].flags & (AR_DF_PRESENT|AR_DF_ONLINE)) == 392 (AR_DF_PRESENT|AR_DF_ONLINE) && !rdp->disks[drv].dev)) { 393 rdp->disks[drv].flags &= ~AR_DF_ONLINE; 394 ata_raid_config_changed(rdp, 1); 395 ata_free_request(request); 396 bbp->b_flags |= B_ERROR; 397 bbp->b_error = EIO; 398 biodone(bp); 399 return(0); 400 } 401 request->this = drv; 402 request->dev = rdp->disks[request->this].dev; 403 ata_raid_send_request(request); 404 break; 405 406 case AR_T_RAID1: 407 case AR_T_RAID01: 408 if ((rdp->disks[drv].flags & 409 (AR_DF_PRESENT|AR_DF_ONLINE))==(AR_DF_PRESENT|AR_DF_ONLINE) && 410 !rdp->disks[drv].dev) { 411 rdp->disks[drv].flags &= ~AR_DF_ONLINE; 412 change = 1; 413 } 414 if ((rdp->disks[drv + rdp->width].flags & 415 (AR_DF_PRESENT|AR_DF_ONLINE))==(AR_DF_PRESENT|AR_DF_ONLINE) && 416 !rdp->disks[drv + rdp->width].dev) { 417 rdp->disks[drv + rdp->width].flags &= ~AR_DF_ONLINE; 418 change = 1; 419 } 420 if (change) 421 ata_raid_config_changed(rdp, 1); 422 if (!(rdp->status & AR_S_READY)) { 423 ata_free_request(request); 424 bbp->b_flags |= B_ERROR; 425 bbp->b_error = EIO; 426 biodone(bp); 427 return(0); 428 } 429 430 if (rdp->status & AR_S_REBUILDING) 431 blk = ((lba / rdp->interleave) * rdp->width) * rdp->interleave + 432 (rdp->interleave * (drv % rdp->width)) + 433 lba % rdp->interleave; 434 435 if (bbp->b_cmd == BUF_CMD_READ) { 436 int src_online = 437 (rdp->disks[drv].flags & AR_DF_ONLINE); 438 int mir_online = 439 (rdp->disks[drv+rdp->width].flags & AR_DF_ONLINE); 440 441 /* if mirror gone or close to last access on source */ 442 if (!mir_online || 443 ((src_online) && 444 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) >= 445 (rdp->disks[drv].last_lba - AR_PROXIMITY) && 446 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) <= 447 (rdp->disks[drv].last_lba + AR_PROXIMITY))) { 448 rdp->toggle = 0; 449 } 450 /* if source gone or close to last access on mirror */ 451 else if (!src_online || 452 ((mir_online) && 453 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) >= 454 (rdp->disks[drv+rdp->width].last_lba-AR_PROXIMITY) && 455 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) <= 456 (rdp->disks[drv+rdp->width].last_lba+AR_PROXIMITY))) { 457 drv += rdp->width; 458 rdp->toggle = 1; 459 } 460 /* not close to any previous access, toggle */ 461 else { 462 if (rdp->toggle) 463 rdp->toggle = 0; 464 else { 465 drv += rdp->width; 466 rdp->toggle = 1; 467 } 468 } 469 470 if ((rdp->status & AR_S_REBUILDING) && 471 (blk <= rdp->rebuild_lba) && 472 ((blk + chunk) > rdp->rebuild_lba)) { 473 struct ata_composite *composite; 474 struct ata_request *rebuild; 475 int this; 476 477 /* figure out what part to rebuild */ 478 if (drv < rdp->width) 479 this = drv + rdp->width; 480 else 481 this = drv - rdp->width; 482 483 /* do we have a spare to rebuild on ? */ 484 if (rdp->disks[this].flags & AR_DF_SPARE) { 485 if ((composite = ata_alloc_composite())) { 486 if ((rebuild = ata_alloc_request())) { 487 rdp->rebuild_lba = blk + chunk; 488 bcopy(request, rebuild, 489 sizeof(struct ata_request)); 490 rebuild->this = this; 491 rebuild->dev = rdp->disks[this].dev; 492 rebuild->flags &= ~ATA_R_READ; 493 rebuild->flags |= ATA_R_WRITE; 494 spin_init(&composite->lock); 495 composite->residual = request->bytecount; 496 composite->rd_needed |= (1 << drv); 497 composite->wr_depend |= (1 << drv); 498 composite->wr_needed |= (1 << this); 499 composite->request[drv] = request; 500 composite->request[this] = rebuild; 501 request->composite = composite; 502 rebuild->composite = composite; 503 ata_raid_send_request(rebuild); 504 } 505 else { 506 ata_free_composite(composite); 507 kprintf("DOH! ata_alloc_request failed!\n"); 508 } 509 } 510 else { 511 kprintf("DOH! ata_alloc_composite failed!\n"); 512 } 513 } 514 else if (rdp->disks[this].flags & AR_DF_ONLINE) { 515 /* 516 * if we got here we are a chunk of a RAID01 that 517 * does not need a rebuild, but we need to increment 518 * the rebuild_lba address to get the rebuild to 519 * move to the next chunk correctly 520 */ 521 rdp->rebuild_lba = blk + chunk; 522 } 523 else 524 kprintf("DOH! we didn't find the rebuild part\n"); 525 } 526 } 527 if (bbp->b_cmd == BUF_CMD_WRITE) { 528 if ((rdp->disks[drv+rdp->width].flags & AR_DF_ONLINE) || 529 ((rdp->status & AR_S_REBUILDING) && 530 (rdp->disks[drv+rdp->width].flags & AR_DF_SPARE) && 531 ((blk < rdp->rebuild_lba) || 532 ((blk <= rdp->rebuild_lba) && 533 ((blk + chunk) > rdp->rebuild_lba))))) { 534 if ((rdp->disks[drv].flags & AR_DF_ONLINE) || 535 ((rdp->status & AR_S_REBUILDING) && 536 (rdp->disks[drv].flags & AR_DF_SPARE) && 537 ((blk < rdp->rebuild_lba) || 538 ((blk <= rdp->rebuild_lba) && 539 ((blk + chunk) > rdp->rebuild_lba))))) { 540 struct ata_request *mirror; 541 struct ata_composite *composite; 542 int this = drv + rdp->width; 543 544 if ((composite = ata_alloc_composite())) { 545 if ((mirror = ata_alloc_request())) { 546 if ((blk <= rdp->rebuild_lba) && 547 ((blk + chunk) > rdp->rebuild_lba)) 548 rdp->rebuild_lba = blk + chunk; 549 bcopy(request, mirror, 550 sizeof(struct ata_request)); 551 mirror->this = this; 552 mirror->dev = rdp->disks[this].dev; 553 spin_init(&composite->lock); 554 composite->residual = request->bytecount; 555 composite->wr_needed |= (1 << drv); 556 composite->wr_needed |= (1 << this); 557 composite->request[drv] = request; 558 composite->request[this] = mirror; 559 request->composite = composite; 560 mirror->composite = composite; 561 ata_raid_send_request(mirror); 562 rdp->disks[this].last_lba = 563 (u_int64_t)(bp->bio_offset >> DEV_BSHIFT) + 564 chunk; 565 } 566 else { 567 ata_free_composite(composite); 568 kprintf("DOH! ata_alloc_request failed!\n"); 569 } 570 } 571 else { 572 kprintf("DOH! ata_alloc_composite failed!\n"); 573 } 574 } 575 else 576 drv += rdp->width; 577 } 578 } 579 request->this = drv; 580 request->dev = rdp->disks[request->this].dev; 581 ata_raid_send_request(request); 582 rdp->disks[request->this].last_lba = 583 ((u_int64_t)(bp->bio_offset) >> DEV_BSHIFT) + chunk; 584 break; 585 586 case AR_T_RAID5: 587 if (((rdp->disks[drv].flags & (AR_DF_PRESENT|AR_DF_ONLINE)) == 588 (AR_DF_PRESENT|AR_DF_ONLINE) && !rdp->disks[drv].dev)) { 589 rdp->disks[drv].flags &= ~AR_DF_ONLINE; 590 change = 1; 591 } 592 if (((rdp->disks[par].flags & (AR_DF_PRESENT|AR_DF_ONLINE)) == 593 (AR_DF_PRESENT|AR_DF_ONLINE) && !rdp->disks[par].dev)) { 594 rdp->disks[par].flags &= ~AR_DF_ONLINE; 595 change = 1; 596 } 597 if (change) 598 ata_raid_config_changed(rdp, 1); 599 if (!(rdp->status & AR_S_READY)) { 600 ata_free_request(request); 601 bbp->b_flags |= B_ERROR; 602 bbp->b_error = EIO; 603 biodone(bp); 604 return(0); 605 } 606 if (rdp->status & AR_S_DEGRADED) { 607 /* do the XOR game if possible */ 608 } 609 else { 610 request->this = drv; 611 request->dev = rdp->disks[request->this].dev; 612 if (bbp->b_cmd == BUF_CMD_READ) { 613 ata_raid_send_request(request); 614 } 615 if (bbp->b_cmd == BUF_CMD_WRITE) { 616 ata_raid_send_request(request); 617 /* XXX TGEN no, I don't speak Danish either */ 618 /* 619 * sikre at l�s-modify-skriv til hver disk er atomarisk. 620 * par kopi af request 621 * l�se orgdata fra drv 622 * skriv nydata til drv 623 * l�se parorgdata fra par 624 * skriv orgdata xor parorgdata xor nydata til par 625 */ 626 } 627 } 628 break; 629 630 default: 631 kprintf("ar%d: unknown array type in ata_raid_strategy\n", rdp->lun); 632 } 633 } 634 635 return(0); 636 } 637 638 static void 639 ata_raid_done(struct ata_request *request) 640 { 641 struct ar_softc *rdp = request->driver; 642 struct ata_composite *composite = NULL; 643 struct bio *bp = request->bio; 644 struct buf *bbp = bp->bio_buf; 645 int i, mirror, finished = 0; 646 647 if (bbp->b_cmd == BUF_CMD_FLUSH) { 648 if (bbp->b_error == 0) 649 bbp->b_error = request->result; 650 ata_free_request(request); 651 bp->bio_driver_info = (void *)((intptr_t)bp->bio_driver_info - 1); 652 if ((intptr_t)bp->bio_driver_info == 0) { 653 if (bbp->b_error) 654 bbp->b_flags |= B_ERROR; 655 biodone(bp); 656 } 657 return; 658 } 659 660 switch (rdp->type) { 661 case AR_T_JBOD: 662 case AR_T_SPAN: 663 case AR_T_RAID0: 664 if (request->result) { 665 rdp->disks[request->this].flags &= ~AR_DF_ONLINE; 666 ata_raid_config_changed(rdp, 1); 667 bbp->b_error = request->result; 668 finished = 1; 669 } 670 else { 671 bbp->b_resid -= request->donecount; 672 if (!bbp->b_resid) 673 finished = 1; 674 } 675 break; 676 677 case AR_T_RAID1: 678 case AR_T_RAID01: 679 if (request->this < rdp->width) 680 mirror = request->this + rdp->width; 681 else 682 mirror = request->this - rdp->width; 683 if (request->result) { 684 rdp->disks[request->this].flags &= ~AR_DF_ONLINE; 685 ata_raid_config_changed(rdp, 1); 686 } 687 if (rdp->status & AR_S_READY) { 688 u_int64_t blk = 0; 689 690 if (rdp->status & AR_S_REBUILDING) 691 blk = ((request->u.ata.lba / rdp->interleave) * rdp->width) * 692 rdp->interleave + (rdp->interleave * 693 (request->this % rdp->width)) + 694 request->u.ata.lba % rdp->interleave; 695 696 if (bbp->b_cmd == BUF_CMD_READ) { 697 698 /* is this a rebuild composite */ 699 if ((composite = request->composite)) { 700 spin_lock(&composite->lock); 701 702 /* handle the read part of a rebuild composite */ 703 if (request->flags & ATA_R_READ) { 704 705 /* if read failed array is now broken */ 706 if (request->result) { 707 rdp->disks[request->this].flags &= ~AR_DF_ONLINE; 708 ata_raid_config_changed(rdp, 1); 709 bbp->b_error = request->result; 710 rdp->rebuild_lba = blk; 711 finished = 1; 712 } 713 714 /* good data, update how far we've gotten */ 715 else { 716 bbp->b_resid -= request->donecount; 717 composite->residual -= request->donecount; 718 if (!composite->residual) { 719 if (composite->wr_done & (1 << mirror)) 720 finished = 1; 721 } 722 } 723 } 724 725 /* handle the write part of a rebuild composite */ 726 else if (request->flags & ATA_R_WRITE) { 727 if (composite->rd_done & (1 << mirror)) { 728 if (request->result) { 729 kprintf("DOH! rebuild failed\n"); /* XXX SOS */ 730 rdp->rebuild_lba = blk; 731 } 732 if (!composite->residual) 733 finished = 1; 734 } 735 } 736 spin_unlock(&composite->lock); 737 } 738 739 /* if read failed retry on the mirror */ 740 else if (request->result) { 741 request->dev = rdp->disks[mirror].dev; 742 request->flags &= ~ATA_R_TIMEOUT; 743 ata_raid_send_request(request); 744 return; 745 } 746 747 /* we have good data */ 748 else { 749 bbp->b_resid -= request->donecount; 750 if (!bbp->b_resid) 751 finished = 1; 752 } 753 } 754 else if (bbp->b_cmd == BUF_CMD_WRITE) { 755 /* do we have a mirror or rebuild to deal with ? */ 756 if ((composite = request->composite)) { 757 spin_lock(&composite->lock); 758 if (composite->wr_done & (1 << mirror)) { 759 if (request->result) { 760 if (composite->request[mirror]->result) { 761 kprintf("DOH! all disks failed and got here\n"); 762 bbp->b_error = EIO; 763 } 764 if (rdp->status & AR_S_REBUILDING) { 765 rdp->rebuild_lba = blk; 766 kprintf("DOH! rebuild failed\n"); /* XXX SOS */ 767 } 768 bbp->b_resid -= 769 composite->request[mirror]->donecount; 770 composite->residual -= 771 composite->request[mirror]->donecount; 772 } 773 else { 774 bbp->b_resid -= request->donecount; 775 composite->residual -= request->donecount; 776 } 777 if (!composite->residual) 778 finished = 1; 779 } 780 spin_unlock(&composite->lock); 781 } 782 /* no mirror we are done */ 783 else { 784 bbp->b_resid -= request->donecount; 785 if (!bbp->b_resid) 786 finished = 1; 787 } 788 } 789 } 790 else { 791 /* XXX TGEN bbp->b_flags |= B_ERROR; */ 792 bbp->b_error = request->result; 793 biodone(bp); 794 } 795 break; 796 797 case AR_T_RAID5: 798 if (request->result) { 799 rdp->disks[request->this].flags &= ~AR_DF_ONLINE; 800 ata_raid_config_changed(rdp, 1); 801 if (rdp->status & AR_S_READY) { 802 if (bbp->b_cmd == BUF_CMD_READ) { 803 /* do the XOR game to recover data */ 804 } 805 if (bbp->b_cmd == BUF_CMD_WRITE) { 806 /* if the parity failed we're OK sortof */ 807 /* otherwise wee need to do the XOR long dance */ 808 } 809 finished = 1; 810 } 811 else { 812 /* XXX TGEN bbp->b_flags |= B_ERROR; */ 813 bbp->b_error = request->result; 814 biodone(bp); 815 } 816 } 817 else { 818 /* did we have an XOR game going ?? */ 819 bbp->b_resid -= request->donecount; 820 if (!bbp->b_resid) 821 finished = 1; 822 } 823 break; 824 825 default: 826 kprintf("ar%d: unknown array type in ata_raid_done\n", rdp->lun); 827 } 828 829 if (finished) { 830 if ((rdp->status & AR_S_REBUILDING) && 831 rdp->rebuild_lba >= rdp->total_sectors) { 832 int disk; 833 834 for (disk = 0; disk < rdp->total_disks; disk++) { 835 if ((rdp->disks[disk].flags & 836 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE)) == 837 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE)) { 838 rdp->disks[disk].flags &= ~AR_DF_SPARE; 839 rdp->disks[disk].flags |= AR_DF_ONLINE; 840 } 841 } 842 rdp->status &= ~AR_S_REBUILDING; 843 ata_raid_config_changed(rdp, 1); 844 } 845 if (!bbp->b_resid) 846 biodone(bp); 847 } 848 849 if (composite) { 850 if (finished) { 851 /* we are done with this composite, free all resources */ 852 for (i = 0; i < 32; i++) { 853 if (composite->rd_needed & (1 << i) || 854 composite->wr_needed & (1 << i)) { 855 ata_free_request(composite->request[i]); 856 } 857 } 858 spin_uninit(&composite->lock); 859 ata_free_composite(composite); 860 } 861 } 862 else 863 ata_free_request(request); 864 } 865 866 static int 867 ata_raid_dump(struct dev_dump_args *ap) 868 { 869 struct ar_softc *rdp = ap->a_head.a_dev->si_drv1; 870 struct buf dbuf; 871 int error = 0; 872 int disk; 873 874 if (ap->a_length == 0) { 875 /* flush subdisk buffers to media */ 876 for (disk = 0, error = 0; disk < rdp->total_disks; disk++) { 877 if (rdp->disks[disk].dev) { 878 error |= ata_controlcmd(rdp->disks[disk].dev, 879 ATA_FLUSHCACHE, 0, 0, 0); 880 } 881 } 882 return (error ? EIO : 0); 883 } 884 885 bzero(&dbuf, sizeof(struct buf)); 886 initbufbio(&dbuf); 887 BUF_LOCK(&dbuf, LK_EXCLUSIVE); 888 /* bio_offset is byte granularity, convert block granularity a_blkno */ 889 dbuf.b_bio1.bio_offset = ap->a_offset; 890 dbuf.b_bio1.bio_caller_info1.ptr = (void *)rdp; 891 dbuf.b_bio1.bio_flags |= BIO_SYNC; 892 dbuf.b_bio1.bio_done = biodone_sync; 893 dbuf.b_bcount = ap->a_length; 894 dbuf.b_data = ap->a_virtual; 895 dbuf.b_cmd = BUF_CMD_WRITE; 896 dev_dstrategy(rdp->cdev, &dbuf.b_bio1); 897 /* wait for completion, unlock the buffer, check status */ 898 if (biowait(&dbuf.b_bio1, "dumpw")) { 899 BUF_UNLOCK(&dbuf); 900 return(dbuf.b_error ? dbuf.b_error : EIO); 901 } 902 BUF_UNLOCK(&dbuf); 903 uninitbufbio(&dbuf); 904 905 return 0; 906 } 907 908 static void 909 ata_raid_config_changed(struct ar_softc *rdp, int writeback) 910 { 911 int disk, count, status; 912 913 spin_lock(&rdp->lock); 914 /* set default all working mode */ 915 status = rdp->status; 916 rdp->status &= ~AR_S_DEGRADED; 917 rdp->status |= AR_S_READY; 918 919 /* make sure all lost drives are accounted for */ 920 for (disk = 0; disk < rdp->total_disks; disk++) { 921 if (!(rdp->disks[disk].flags & AR_DF_PRESENT)) 922 rdp->disks[disk].flags &= ~AR_DF_ONLINE; 923 } 924 925 /* depending on RAID type figure out our health status */ 926 switch (rdp->type) { 927 case AR_T_JBOD: 928 case AR_T_SPAN: 929 case AR_T_RAID0: 930 for (disk = 0; disk < rdp->total_disks; disk++) 931 if (!(rdp->disks[disk].flags & AR_DF_ONLINE)) 932 rdp->status &= ~AR_S_READY; 933 break; 934 935 case AR_T_RAID1: 936 case AR_T_RAID01: 937 for (disk = 0; disk < rdp->width; disk++) { 938 if (!(rdp->disks[disk].flags & AR_DF_ONLINE) && 939 !(rdp->disks[disk + rdp->width].flags & AR_DF_ONLINE)) { 940 rdp->status &= ~AR_S_READY; 941 } 942 else if (((rdp->disks[disk].flags & AR_DF_ONLINE) && 943 !(rdp->disks[disk + rdp->width].flags & AR_DF_ONLINE)) || 944 (!(rdp->disks[disk].flags & AR_DF_ONLINE) && 945 (rdp->disks [disk + rdp->width].flags & AR_DF_ONLINE))) { 946 rdp->status |= AR_S_DEGRADED; 947 } 948 } 949 break; 950 951 case AR_T_RAID5: 952 for (count = 0, disk = 0; disk < rdp->total_disks; disk++) { 953 if (!(rdp->disks[disk].flags & AR_DF_ONLINE)) 954 count++; 955 } 956 if (count) { 957 if (count > 1) 958 rdp->status &= ~AR_S_READY; 959 else 960 rdp->status |= AR_S_DEGRADED; 961 } 962 break; 963 default: 964 rdp->status &= ~AR_S_READY; 965 } 966 967 /* 968 * Note that when the array breaks so comes up broken we 969 * force a write of the array config to the remaining 970 * drives so that the generation will be incremented past 971 * those of the missing or failed drives (in all cases). 972 */ 973 if (rdp->status != status) { 974 if (!(rdp->status & AR_S_READY)) { 975 kprintf("ar%d: FAILURE - %s array broken\n", 976 rdp->lun, ata_raid_type(rdp)); 977 writeback = 1; 978 } 979 else if (rdp->status & AR_S_DEGRADED) { 980 if (rdp->type & (AR_T_RAID1 | AR_T_RAID01)) 981 kprintf("ar%d: WARNING - mirror", rdp->lun); 982 else 983 kprintf("ar%d: WARNING - parity", rdp->lun); 984 kprintf(" protection lost. %s array in DEGRADED mode\n", 985 ata_raid_type(rdp)); 986 writeback = 1; 987 } 988 } 989 spin_unlock(&rdp->lock); 990 if (writeback) 991 ata_raid_write_metadata(rdp); 992 993 } 994 995 static int 996 ata_raid_status(struct ata_ioc_raid_config *config) 997 { 998 struct ar_softc *rdp; 999 int i; 1000 1001 if (!(rdp = ata_raid_arrays[config->lun])) 1002 return ENXIO; 1003 1004 config->type = rdp->type; 1005 config->total_disks = rdp->total_disks; 1006 for (i = 0; i < rdp->total_disks; i++ ) { 1007 if ((rdp->disks[i].flags & AR_DF_PRESENT) && rdp->disks[i].dev) 1008 config->disks[i] = device_get_unit(rdp->disks[i].dev); 1009 else 1010 config->disks[i] = -1; 1011 } 1012 config->interleave = rdp->interleave; 1013 config->status = rdp->status; 1014 config->progress = 100 * rdp->rebuild_lba / rdp->total_sectors; 1015 return 0; 1016 } 1017 1018 static int 1019 ata_raid_create(struct ata_ioc_raid_config *config) 1020 { 1021 struct ar_softc *rdp; 1022 device_t subdisk; 1023 int array, disk; 1024 int ctlr = 0, disk_size = 0, total_disks = 0; 1025 device_t gpdev; 1026 1027 for (array = 0; array < MAX_ARRAYS; array++) { 1028 if (!ata_raid_arrays[array]) 1029 break; 1030 } 1031 if (array >= MAX_ARRAYS) 1032 return ENOSPC; 1033 1034 rdp = (struct ar_softc*)kmalloc(sizeof(struct ar_softc), M_AR, 1035 M_WAITOK | M_ZERO); 1036 1037 for (disk = 0; disk < config->total_disks; disk++) { 1038 if ((subdisk = devclass_get_device(ata_raid_sub_devclass, 1039 config->disks[disk]))) { 1040 struct ata_raid_subdisk *ars = device_get_softc(subdisk); 1041 1042 /* is device already assigned to another array ? */ 1043 if (ars->raid[rdp->volume]) { 1044 config->disks[disk] = -1; 1045 kfree(rdp, M_AR); 1046 return EBUSY; 1047 } 1048 rdp->disks[disk].dev = device_get_parent(subdisk); 1049 1050 gpdev = GRANDPARENT(rdp->disks[disk].dev); 1051 1052 switch (pci_get_vendor(gpdev)) { 1053 case ATA_HIGHPOINT_ID: 1054 /* 1055 * we need some way to decide if it should be v2 or v3 1056 * for now just use v2 since the v3 BIOS knows how to 1057 * handle that as well. 1058 */ 1059 ctlr = AR_F_HPTV2_RAID; 1060 rdp->disks[disk].sectors = HPTV3_LBA(rdp->disks[disk].dev); 1061 break; 1062 1063 case ATA_INTEL_ID: 1064 ctlr = AR_F_INTEL_RAID; 1065 rdp->disks[disk].sectors = INTEL_LBA(rdp->disks[disk].dev); 1066 break; 1067 1068 case ATA_ITE_ID: 1069 ctlr = AR_F_ITE_RAID; 1070 rdp->disks[disk].sectors = ITE_LBA(rdp->disks[disk].dev); 1071 break; 1072 1073 case ATA_JMICRON_ID: 1074 ctlr = AR_F_JMICRON_RAID; 1075 rdp->disks[disk].sectors = JMICRON_LBA(rdp->disks[disk].dev); 1076 break; 1077 1078 case 0: /* XXX SOS cover up for bug in our PCI code */ 1079 case ATA_PROMISE_ID: 1080 ctlr = AR_F_PROMISE_RAID; 1081 rdp->disks[disk].sectors = PROMISE_LBA(rdp->disks[disk].dev); 1082 break; 1083 1084 case ATA_SIS_ID: 1085 ctlr = AR_F_SIS_RAID; 1086 rdp->disks[disk].sectors = SIS_LBA(rdp->disks[disk].dev); 1087 break; 1088 1089 case ATA_ATI_ID: 1090 case ATA_VIA_ID: 1091 ctlr = AR_F_VIA_RAID; 1092 rdp->disks[disk].sectors = VIA_LBA(rdp->disks[disk].dev); 1093 break; 1094 1095 default: 1096 /* XXX SOS 1097 * right, so here we are, we have an ATA chip and we want 1098 * to create a RAID and store the metadata. 1099 * we need to find a way to tell what kind of metadata this 1100 * hardware's BIOS might be using (good ideas are welcomed) 1101 * for now we just use our own native FreeBSD format. 1102 * the only way to get support for the BIOS format is to 1103 * setup the RAID from there, in that case we pickup the 1104 * metadata format from the disks (if we support it). 1105 */ 1106 kprintf("WARNING!! - not able to determine metadata format\n" 1107 "WARNING!! - Using FreeBSD PseudoRAID metadata\n" 1108 "If that is not what you want, use the BIOS to " 1109 "create the array\n"); 1110 ctlr = AR_F_FREEBSD_RAID; 1111 rdp->disks[disk].sectors = PROMISE_LBA(rdp->disks[disk].dev); 1112 break; 1113 } 1114 1115 /* we need all disks to be of the same format */ 1116 if ((rdp->format & AR_F_FORMAT_MASK) && 1117 (rdp->format & AR_F_FORMAT_MASK) != (ctlr & AR_F_FORMAT_MASK)) { 1118 kfree(rdp, M_AR); 1119 return EXDEV; 1120 } 1121 else 1122 rdp->format = ctlr; 1123 1124 /* use the smallest disk of the lots size */ 1125 /* gigabyte boundry ??? XXX SOS */ 1126 if (disk_size) 1127 disk_size = min(rdp->disks[disk].sectors, disk_size); 1128 else 1129 disk_size = rdp->disks[disk].sectors; 1130 rdp->disks[disk].flags = 1131 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 1132 1133 total_disks++; 1134 } 1135 else { 1136 config->disks[disk] = -1; 1137 kfree(rdp, M_AR); 1138 return ENXIO; 1139 } 1140 } 1141 1142 if (total_disks != config->total_disks) { 1143 kfree(rdp, M_AR); 1144 return ENODEV; 1145 } 1146 1147 switch (config->type) { 1148 case AR_T_JBOD: 1149 case AR_T_SPAN: 1150 case AR_T_RAID0: 1151 break; 1152 1153 case AR_T_RAID1: 1154 if (total_disks != 2) { 1155 kfree(rdp, M_AR); 1156 return EPERM; 1157 } 1158 break; 1159 1160 case AR_T_RAID01: 1161 if (total_disks % 2 != 0) { 1162 kfree(rdp, M_AR); 1163 return EPERM; 1164 } 1165 break; 1166 1167 case AR_T_RAID5: 1168 if (total_disks < 3) { 1169 kfree(rdp, M_AR); 1170 return EPERM; 1171 } 1172 break; 1173 1174 default: 1175 kfree(rdp, M_AR); 1176 return EOPNOTSUPP; 1177 } 1178 rdp->type = config->type; 1179 rdp->lun = array; 1180 if (rdp->type == AR_T_RAID0 || rdp->type == AR_T_RAID01 || 1181 rdp->type == AR_T_RAID5) { 1182 int bit = 0; 1183 1184 while (config->interleave >>= 1) 1185 bit++; 1186 rdp->interleave = 1 << bit; 1187 } 1188 rdp->offset_sectors = 0; 1189 1190 /* values that depend on metadata format */ 1191 switch (rdp->format) { 1192 case AR_F_ADAPTEC_RAID: 1193 rdp->interleave = min(max(32, rdp->interleave), 128); /*+*/ 1194 break; 1195 1196 case AR_F_HPTV2_RAID: 1197 rdp->interleave = min(max(8, rdp->interleave), 128); /*+*/ 1198 rdp->offset_sectors = HPTV2_LBA(x) + 1; 1199 break; 1200 1201 case AR_F_HPTV3_RAID: 1202 rdp->interleave = min(max(32, rdp->interleave), 4096); /*+*/ 1203 break; 1204 1205 case AR_F_INTEL_RAID: 1206 rdp->interleave = min(max(8, rdp->interleave), 256); /*+*/ 1207 break; 1208 1209 case AR_F_ITE_RAID: 1210 rdp->interleave = min(max(2, rdp->interleave), 128); /*+*/ 1211 break; 1212 1213 case AR_F_JMICRON_RAID: 1214 rdp->interleave = min(max(8, rdp->interleave), 256); /*+*/ 1215 break; 1216 1217 case AR_F_LSIV2_RAID: 1218 rdp->interleave = min(max(2, rdp->interleave), 4096); 1219 break; 1220 1221 case AR_F_LSIV3_RAID: 1222 rdp->interleave = min(max(2, rdp->interleave), 256); 1223 break; 1224 1225 case AR_F_PROMISE_RAID: 1226 rdp->interleave = min(max(2, rdp->interleave), 2048); /*+*/ 1227 break; 1228 1229 case AR_F_SII_RAID: 1230 rdp->interleave = min(max(8, rdp->interleave), 256); /*+*/ 1231 break; 1232 1233 case AR_F_SIS_RAID: 1234 rdp->interleave = min(max(32, rdp->interleave), 512); /*+*/ 1235 break; 1236 1237 case AR_F_VIA_RAID: 1238 rdp->interleave = min(max(8, rdp->interleave), 128); /*+*/ 1239 break; 1240 } 1241 1242 rdp->total_disks = total_disks; 1243 rdp->width = total_disks / (rdp->type & (AR_RAID1 | AR_T_RAID01) ? 2 : 1); 1244 rdp->total_sectors = disk_size * (rdp->width - (rdp->type == AR_RAID5)); 1245 rdp->heads = 255; 1246 rdp->sectors = 63; 1247 rdp->cylinders = rdp->total_sectors / (255 * 63); 1248 rdp->rebuild_lba = 0; 1249 rdp->status |= AR_S_READY; 1250 1251 /* we are committed to this array, grap the subdisks */ 1252 for (disk = 0; disk < config->total_disks; disk++) { 1253 if ((subdisk = devclass_get_device(ata_raid_sub_devclass, 1254 config->disks[disk]))) { 1255 struct ata_raid_subdisk *ars = device_get_softc(subdisk); 1256 1257 ars->raid[rdp->volume] = rdp; 1258 ars->disk_number[rdp->volume] = disk; 1259 } 1260 } 1261 ata_raid_attach(rdp, 1); 1262 ata_raid_arrays[array] = rdp; 1263 config->lun = array; 1264 return 0; 1265 } 1266 1267 static int 1268 ata_raid_delete(int array) 1269 { 1270 struct ar_softc *rdp; 1271 device_t subdisk; 1272 int disk; 1273 1274 if (!(rdp = ata_raid_arrays[array])) 1275 return ENXIO; 1276 1277 rdp->status &= ~AR_S_READY; 1278 disk_destroy(&rdp->disk); 1279 1280 for (disk = 0; disk < rdp->total_disks; disk++) { 1281 if ((rdp->disks[disk].flags & AR_DF_PRESENT) && rdp->disks[disk].dev) { 1282 if ((subdisk = devclass_get_device(ata_raid_sub_devclass, 1283 device_get_unit(rdp->disks[disk].dev)))) { 1284 struct ata_raid_subdisk *ars = device_get_softc(subdisk); 1285 1286 if (ars->raid[rdp->volume] != rdp) /* XXX SOS */ 1287 device_printf(subdisk, "DOH! this disk doesn't belong\n"); 1288 if (ars->disk_number[rdp->volume] != disk) /* XXX SOS */ 1289 device_printf(subdisk, "DOH! this disk number is wrong\n"); 1290 ars->raid[rdp->volume] = NULL; 1291 ars->disk_number[rdp->volume] = -1; 1292 } 1293 rdp->disks[disk].flags = 0; 1294 } 1295 } 1296 ata_raid_wipe_metadata(rdp); 1297 ata_raid_arrays[array] = NULL; 1298 kfree(rdp, M_AR); 1299 return 0; 1300 } 1301 1302 static int 1303 ata_raid_addspare(struct ata_ioc_raid_config *config) 1304 { 1305 struct ar_softc *rdp; 1306 device_t subdisk; 1307 int disk; 1308 1309 if (!(rdp = ata_raid_arrays[config->lun])) 1310 return ENXIO; 1311 if (!(rdp->status & AR_S_DEGRADED) || !(rdp->status & AR_S_READY)) 1312 return ENXIO; 1313 if (rdp->status & AR_S_REBUILDING) 1314 return EBUSY; 1315 switch (rdp->type) { 1316 case AR_T_RAID1: 1317 case AR_T_RAID01: 1318 case AR_T_RAID5: 1319 for (disk = 0; disk < rdp->total_disks; disk++ ) { 1320 1321 if (((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) == 1322 (AR_DF_PRESENT | AR_DF_ONLINE)) && rdp->disks[disk].dev) 1323 continue; 1324 1325 if ((subdisk = devclass_get_device(ata_raid_sub_devclass, 1326 config->disks[0] ))) { 1327 struct ata_raid_subdisk *ars = device_get_softc(subdisk); 1328 1329 if (ars->raid[rdp->volume]) 1330 return EBUSY; 1331 1332 /* XXX SOS validate size etc etc */ 1333 ars->raid[rdp->volume] = rdp; 1334 ars->disk_number[rdp->volume] = disk; 1335 rdp->disks[disk].dev = device_get_parent(subdisk); 1336 rdp->disks[disk].flags = 1337 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE); 1338 1339 device_printf(rdp->disks[disk].dev, 1340 "inserted into ar%d disk%d as spare\n", 1341 rdp->lun, disk); 1342 ata_raid_config_changed(rdp, 1); 1343 return 0; 1344 } 1345 } 1346 return ENXIO; 1347 1348 default: 1349 return EPERM; 1350 } 1351 } 1352 1353 static int 1354 ata_raid_rebuild(int array) 1355 { 1356 struct ar_softc *rdp; 1357 int disk, count; 1358 1359 if (!(rdp = ata_raid_arrays[array])) 1360 return ENXIO; 1361 /* XXX SOS we should lock the rdp softc here */ 1362 if (!(rdp->status & AR_S_DEGRADED) || !(rdp->status & AR_S_READY)) 1363 return ENXIO; 1364 if (rdp->status & AR_S_REBUILDING) 1365 return EBUSY; 1366 1367 switch (rdp->type) { 1368 case AR_T_RAID1: 1369 case AR_T_RAID01: 1370 case AR_T_RAID5: 1371 for (count = 0, disk = 0; disk < rdp->total_disks; disk++ ) { 1372 if (((rdp->disks[disk].flags & 1373 (AR_DF_PRESENT|AR_DF_ASSIGNED|AR_DF_ONLINE|AR_DF_SPARE)) == 1374 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE)) && 1375 rdp->disks[disk].dev) { 1376 count++; 1377 } 1378 } 1379 1380 if (count) { 1381 rdp->rebuild_lba = 0; 1382 rdp->status |= AR_S_REBUILDING; 1383 return 0; 1384 } 1385 return EIO; 1386 1387 default: 1388 return EPERM; 1389 } 1390 } 1391 1392 static int 1393 ata_raid_read_metadata(device_t subdisk) 1394 { 1395 devclass_t pci_devclass = devclass_find("pci"); 1396 devclass_t devclass=device_get_devclass(GRANDPARENT(GRANDPARENT(subdisk))); 1397 device_t gpdev; 1398 uint16_t vendor; 1399 1400 /* prioritize vendor native metadata layout if possible */ 1401 if (devclass == pci_devclass) { 1402 gpdev = device_get_parent(subdisk); 1403 gpdev = GRANDPARENT(gpdev); 1404 vendor = pci_get_vendor(gpdev); 1405 1406 switch (vendor) { 1407 case ATA_HIGHPOINT_ID: 1408 if (ata_raid_hptv3_read_meta(subdisk, ata_raid_arrays)) 1409 return 0; 1410 if (ata_raid_hptv2_read_meta(subdisk, ata_raid_arrays)) 1411 return 0; 1412 break; 1413 1414 case ATA_INTEL_ID: 1415 if (ata_raid_intel_read_meta(subdisk, ata_raid_arrays)) 1416 return 0; 1417 break; 1418 1419 case ATA_ITE_ID: 1420 if (ata_raid_ite_read_meta(subdisk, ata_raid_arrays)) 1421 return 0; 1422 break; 1423 1424 case ATA_JMICRON_ID: 1425 if (ata_raid_jmicron_read_meta(subdisk, ata_raid_arrays)) 1426 return 0; 1427 break; 1428 1429 case ATA_NVIDIA_ID: 1430 if (ata_raid_nvidia_read_meta(subdisk, ata_raid_arrays)) 1431 return 0; 1432 break; 1433 1434 case 0: /* XXX SOS cover up for bug in our PCI code */ 1435 case ATA_PROMISE_ID: 1436 if (ata_raid_promise_read_meta(subdisk, ata_raid_arrays, 0)) 1437 return 0; 1438 break; 1439 1440 case ATA_ATI_ID: 1441 case ATA_SILICON_IMAGE_ID: 1442 if (ata_raid_sii_read_meta(subdisk, ata_raid_arrays)) 1443 return 0; 1444 break; 1445 1446 case ATA_SIS_ID: 1447 if (ata_raid_sis_read_meta(subdisk, ata_raid_arrays)) 1448 return 0; 1449 break; 1450 1451 case ATA_VIA_ID: 1452 if (ata_raid_via_read_meta(subdisk, ata_raid_arrays)) 1453 return 0; 1454 break; 1455 } 1456 } 1457 1458 /* handle controllers that have multiple layout possibilities */ 1459 /* NOTE: the order of these are not insignificant */ 1460 1461 /* Adaptec HostRAID */ 1462 if (ata_raid_adaptec_read_meta(subdisk, ata_raid_arrays)) 1463 return 0; 1464 1465 /* LSILogic v3 and v2 */ 1466 if (ata_raid_lsiv3_read_meta(subdisk, ata_raid_arrays)) 1467 return 0; 1468 if (ata_raid_lsiv2_read_meta(subdisk, ata_raid_arrays)) 1469 return 0; 1470 1471 /* if none of the above matched, try FreeBSD native format */ 1472 return ata_raid_promise_read_meta(subdisk, ata_raid_arrays, 1); 1473 } 1474 1475 static int 1476 ata_raid_write_metadata(struct ar_softc *rdp) 1477 { 1478 switch (rdp->format) { 1479 case AR_F_FREEBSD_RAID: 1480 case AR_F_PROMISE_RAID: 1481 return ata_raid_promise_write_meta(rdp); 1482 1483 case AR_F_HPTV3_RAID: 1484 case AR_F_HPTV2_RAID: 1485 /* 1486 * always write HPT v2 metadata, the v3 BIOS knows it as well. 1487 * this is handy since we cannot know what version BIOS is on there 1488 */ 1489 return ata_raid_hptv2_write_meta(rdp); 1490 1491 case AR_F_INTEL_RAID: 1492 return ata_raid_intel_write_meta(rdp); 1493 1494 case AR_F_JMICRON_RAID: 1495 return ata_raid_jmicron_write_meta(rdp); 1496 1497 case AR_F_SIS_RAID: 1498 return ata_raid_sis_write_meta(rdp); 1499 1500 case AR_F_VIA_RAID: 1501 return ata_raid_via_write_meta(rdp); 1502 #if 0 1503 case AR_F_HPTV3_RAID: 1504 return ata_raid_hptv3_write_meta(rdp); 1505 1506 case AR_F_ADAPTEC_RAID: 1507 return ata_raid_adaptec_write_meta(rdp); 1508 1509 case AR_F_ITE_RAID: 1510 return ata_raid_ite_write_meta(rdp); 1511 1512 case AR_F_LSIV2_RAID: 1513 return ata_raid_lsiv2_write_meta(rdp); 1514 1515 case AR_F_LSIV3_RAID: 1516 return ata_raid_lsiv3_write_meta(rdp); 1517 1518 case AR_F_NVIDIA_RAID: 1519 return ata_raid_nvidia_write_meta(rdp); 1520 1521 case AR_F_SII_RAID: 1522 return ata_raid_sii_write_meta(rdp); 1523 1524 #endif 1525 default: 1526 kprintf("ar%d: writing of %s metadata is NOT supported yet\n", 1527 rdp->lun, ata_raid_format(rdp)); 1528 } 1529 return -1; 1530 } 1531 1532 static int 1533 ata_raid_wipe_metadata(struct ar_softc *rdp) 1534 { 1535 int disk, error = 0; 1536 u_int64_t lba; 1537 u_int32_t size; 1538 u_int8_t *meta; 1539 1540 for (disk = 0; disk < rdp->total_disks; disk++) { 1541 if (rdp->disks[disk].dev) { 1542 switch (rdp->format) { 1543 case AR_F_ADAPTEC_RAID: 1544 lba = ADP_LBA(rdp->disks[disk].dev); 1545 size = sizeof(struct adaptec_raid_conf); 1546 break; 1547 1548 case AR_F_HPTV2_RAID: 1549 lba = HPTV2_LBA(rdp->disks[disk].dev); 1550 size = sizeof(struct hptv2_raid_conf); 1551 break; 1552 1553 case AR_F_HPTV3_RAID: 1554 lba = HPTV3_LBA(rdp->disks[disk].dev); 1555 size = sizeof(struct hptv3_raid_conf); 1556 break; 1557 1558 case AR_F_INTEL_RAID: 1559 lba = INTEL_LBA(rdp->disks[disk].dev); 1560 size = 3 * 512; /* XXX SOS */ 1561 break; 1562 1563 case AR_F_ITE_RAID: 1564 lba = ITE_LBA(rdp->disks[disk].dev); 1565 size = sizeof(struct ite_raid_conf); 1566 break; 1567 1568 case AR_F_JMICRON_RAID: 1569 lba = JMICRON_LBA(rdp->disks[disk].dev); 1570 size = sizeof(struct jmicron_raid_conf); 1571 break; 1572 1573 case AR_F_LSIV2_RAID: 1574 lba = LSIV2_LBA(rdp->disks[disk].dev); 1575 size = sizeof(struct lsiv2_raid_conf); 1576 break; 1577 1578 case AR_F_LSIV3_RAID: 1579 lba = LSIV3_LBA(rdp->disks[disk].dev); 1580 size = sizeof(struct lsiv3_raid_conf); 1581 break; 1582 1583 case AR_F_NVIDIA_RAID: 1584 lba = NVIDIA_LBA(rdp->disks[disk].dev); 1585 size = sizeof(struct nvidia_raid_conf); 1586 break; 1587 1588 case AR_F_FREEBSD_RAID: 1589 case AR_F_PROMISE_RAID: 1590 lba = PROMISE_LBA(rdp->disks[disk].dev); 1591 size = sizeof(struct promise_raid_conf); 1592 break; 1593 1594 case AR_F_SII_RAID: 1595 lba = SII_LBA(rdp->disks[disk].dev); 1596 size = sizeof(struct sii_raid_conf); 1597 break; 1598 1599 case AR_F_SIS_RAID: 1600 lba = SIS_LBA(rdp->disks[disk].dev); 1601 size = sizeof(struct sis_raid_conf); 1602 break; 1603 1604 case AR_F_VIA_RAID: 1605 lba = VIA_LBA(rdp->disks[disk].dev); 1606 size = sizeof(struct via_raid_conf); 1607 break; 1608 1609 default: 1610 kprintf("ar%d: wiping of %s metadata is NOT supported yet\n", 1611 rdp->lun, ata_raid_format(rdp)); 1612 return ENXIO; 1613 } 1614 meta = kmalloc(size, M_AR, M_WAITOK | M_ZERO); 1615 if (ata_raid_rw(rdp->disks[disk].dev, lba, meta, size, 1616 ATA_R_WRITE | ATA_R_DIRECT)) { 1617 device_printf(rdp->disks[disk].dev, "wipe metadata failed\n"); 1618 error = EIO; 1619 } 1620 kfree(meta, M_AR); 1621 } 1622 } 1623 return error; 1624 } 1625 1626 /* Adaptec HostRAID Metadata */ 1627 static int 1628 ata_raid_adaptec_read_meta(device_t dev, struct ar_softc **raidp) 1629 { 1630 struct ata_raid_subdisk *ars = device_get_softc(dev); 1631 device_t parent = device_get_parent(dev); 1632 struct adaptec_raid_conf *meta; 1633 struct ar_softc *raid; 1634 int array, disk, retval = 0; 1635 1636 meta = (struct adaptec_raid_conf *) 1637 kmalloc(sizeof(struct adaptec_raid_conf), M_AR, M_WAITOK | M_ZERO); 1638 1639 if (ata_raid_rw(parent, ADP_LBA(parent), 1640 meta, sizeof(struct adaptec_raid_conf), ATA_R_READ)) { 1641 if (testing || bootverbose) 1642 device_printf(parent, "Adaptec read metadata failed\n"); 1643 goto adaptec_out; 1644 } 1645 1646 /* check if this is a Adaptec RAID struct */ 1647 if (meta->magic_0 != ADP_MAGIC_0 || meta->magic_3 != ADP_MAGIC_3) { 1648 if (testing || bootverbose) 1649 device_printf(parent, "Adaptec check1 failed\n"); 1650 goto adaptec_out; 1651 } 1652 1653 if (testing || bootverbose) 1654 ata_raid_adaptec_print_meta(meta); 1655 1656 /* now convert Adaptec metadata into our generic form */ 1657 for (array = 0; array < MAX_ARRAYS; array++) { 1658 if (!raidp[array]) { 1659 raidp[array] = 1660 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 1661 M_WAITOK | M_ZERO); 1662 } 1663 raid = raidp[array]; 1664 if (raid->format && (raid->format != AR_F_ADAPTEC_RAID)) 1665 continue; 1666 1667 if (raid->magic_0 && raid->magic_0 != meta->configs[0].magic_0) 1668 continue; 1669 1670 if (!meta->generation || be32toh(meta->generation) > raid->generation) { 1671 switch (meta->configs[0].type) { 1672 case ADP_T_RAID0: 1673 raid->magic_0 = meta->configs[0].magic_0; 1674 raid->type = AR_T_RAID0; 1675 raid->interleave = 1 << (meta->configs[0].stripe_shift >> 1); 1676 raid->width = be16toh(meta->configs[0].total_disks); 1677 break; 1678 1679 case ADP_T_RAID1: 1680 raid->magic_0 = meta->configs[0].magic_0; 1681 raid->type = AR_T_RAID1; 1682 raid->width = be16toh(meta->configs[0].total_disks) / 2; 1683 break; 1684 1685 default: 1686 device_printf(parent, "Adaptec unknown RAID type 0x%02x\n", 1687 meta->configs[0].type); 1688 kfree(raidp[array], M_AR); 1689 raidp[array] = NULL; 1690 goto adaptec_out; 1691 } 1692 1693 raid->format = AR_F_ADAPTEC_RAID; 1694 raid->generation = be32toh(meta->generation); 1695 raid->total_disks = be16toh(meta->configs[0].total_disks); 1696 raid->total_sectors = be32toh(meta->configs[0].sectors); 1697 raid->heads = 255; 1698 raid->sectors = 63; 1699 raid->cylinders = raid->total_sectors / (63 * 255); 1700 raid->offset_sectors = 0; 1701 raid->rebuild_lba = 0; 1702 raid->lun = array; 1703 strncpy(raid->name, meta->configs[0].name, 1704 min(sizeof(raid->name), sizeof(meta->configs[0].name))); 1705 1706 /* clear out any old info */ 1707 if (raid->generation) { 1708 for (disk = 0; disk < raid->total_disks; disk++) { 1709 raid->disks[disk].dev = NULL; 1710 raid->disks[disk].flags = 0; 1711 } 1712 } 1713 } 1714 if (be32toh(meta->generation) >= raid->generation) { 1715 struct ata_device *atadev = device_get_softc(parent); 1716 struct ata_channel *ch = device_get_softc(GRANDPARENT(dev)); 1717 int disk_number = (ch->unit << !(ch->flags & ATA_NO_SLAVE)) + 1718 ATA_DEV(atadev->unit); 1719 1720 raid->disks[disk_number].dev = parent; 1721 raid->disks[disk_number].sectors = 1722 be32toh(meta->configs[disk_number + 1].sectors); 1723 raid->disks[disk_number].flags = 1724 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 1725 ars->raid[raid->volume] = raid; 1726 ars->disk_number[raid->volume] = disk_number; 1727 retval = 1; 1728 } 1729 break; 1730 } 1731 1732 adaptec_out: 1733 kfree(meta, M_AR); 1734 return retval; 1735 } 1736 1737 /* Highpoint V2 RocketRAID Metadata */ 1738 static int 1739 ata_raid_hptv2_read_meta(device_t dev, struct ar_softc **raidp) 1740 { 1741 struct ata_raid_subdisk *ars = device_get_softc(dev); 1742 device_t parent = device_get_parent(dev); 1743 struct hptv2_raid_conf *meta; 1744 struct ar_softc *raid = NULL; 1745 int array, disk_number = 0, retval = 0; 1746 1747 meta = (struct hptv2_raid_conf *)kmalloc(sizeof(struct hptv2_raid_conf), 1748 M_AR, M_WAITOK | M_ZERO); 1749 1750 if (ata_raid_rw(parent, HPTV2_LBA(parent), 1751 meta, sizeof(struct hptv2_raid_conf), ATA_R_READ)) { 1752 if (testing || bootverbose) 1753 device_printf(parent, "HighPoint (v2) read metadata failed\n"); 1754 goto hptv2_out; 1755 } 1756 1757 /* check if this is a HighPoint v2 RAID struct */ 1758 if (meta->magic != HPTV2_MAGIC_OK && meta->magic != HPTV2_MAGIC_BAD) { 1759 if (testing || bootverbose) 1760 device_printf(parent, "HighPoint (v2) check1 failed\n"); 1761 goto hptv2_out; 1762 } 1763 1764 /* is this disk defined, or an old leftover/spare ? */ 1765 if (!meta->magic_0) { 1766 if (testing || bootverbose) 1767 device_printf(parent, "HighPoint (v2) check2 failed\n"); 1768 goto hptv2_out; 1769 } 1770 1771 if (testing || bootverbose) 1772 ata_raid_hptv2_print_meta(meta); 1773 1774 /* now convert HighPoint (v2) metadata into our generic form */ 1775 for (array = 0; array < MAX_ARRAYS; array++) { 1776 if (!raidp[array]) { 1777 raidp[array] = 1778 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 1779 M_WAITOK | M_ZERO); 1780 } 1781 raid = raidp[array]; 1782 if (raid->format && (raid->format != AR_F_HPTV2_RAID)) 1783 continue; 1784 1785 switch (meta->type) { 1786 case HPTV2_T_RAID0: 1787 if ((meta->order & (HPTV2_O_RAID0|HPTV2_O_OK)) == 1788 (HPTV2_O_RAID0|HPTV2_O_OK)) 1789 goto highpoint_raid1; 1790 if (meta->order & (HPTV2_O_RAID0 | HPTV2_O_RAID1)) 1791 goto highpoint_raid01; 1792 if (raid->magic_0 && raid->magic_0 != meta->magic_0) 1793 continue; 1794 raid->magic_0 = meta->magic_0; 1795 raid->type = AR_T_RAID0; 1796 raid->interleave = 1 << meta->stripe_shift; 1797 disk_number = meta->disk_number; 1798 if (!(meta->order & HPTV2_O_OK)) 1799 meta->magic = 0; /* mark bad */ 1800 break; 1801 1802 case HPTV2_T_RAID1: 1803 highpoint_raid1: 1804 if (raid->magic_0 && raid->magic_0 != meta->magic_0) 1805 continue; 1806 raid->magic_0 = meta->magic_0; 1807 raid->type = AR_T_RAID1; 1808 disk_number = (meta->disk_number > 0); 1809 break; 1810 1811 case HPTV2_T_RAID01_RAID0: 1812 highpoint_raid01: 1813 if (meta->order & HPTV2_O_RAID0) { 1814 if ((raid->magic_0 && raid->magic_0 != meta->magic_0) || 1815 (raid->magic_1 && raid->magic_1 != meta->magic_1)) 1816 continue; 1817 raid->magic_0 = meta->magic_0; 1818 raid->magic_1 = meta->magic_1; 1819 raid->type = AR_T_RAID01; 1820 raid->interleave = 1 << meta->stripe_shift; 1821 disk_number = meta->disk_number; 1822 } 1823 else { 1824 if (raid->magic_1 && raid->magic_1 != meta->magic_1) 1825 continue; 1826 raid->magic_1 = meta->magic_1; 1827 raid->type = AR_T_RAID01; 1828 raid->interleave = 1 << meta->stripe_shift; 1829 disk_number = meta->disk_number + meta->array_width; 1830 if (!(meta->order & HPTV2_O_RAID1)) 1831 meta->magic = 0; /* mark bad */ 1832 } 1833 break; 1834 1835 case HPTV2_T_SPAN: 1836 if (raid->magic_0 && raid->magic_0 != meta->magic_0) 1837 continue; 1838 raid->magic_0 = meta->magic_0; 1839 raid->type = AR_T_SPAN; 1840 disk_number = meta->disk_number; 1841 break; 1842 1843 default: 1844 device_printf(parent, "Highpoint (v2) unknown RAID type 0x%02x\n", 1845 meta->type); 1846 kfree(raidp[array], M_AR); 1847 raidp[array] = NULL; 1848 goto hptv2_out; 1849 } 1850 1851 raid->format |= AR_F_HPTV2_RAID; 1852 raid->disks[disk_number].dev = parent; 1853 raid->disks[disk_number].flags = (AR_DF_PRESENT | AR_DF_ASSIGNED); 1854 raid->lun = array; 1855 strncpy(raid->name, meta->name_1, 1856 min(sizeof(raid->name), sizeof(meta->name_1))); 1857 if (meta->magic == HPTV2_MAGIC_OK) { 1858 raid->disks[disk_number].flags |= AR_DF_ONLINE; 1859 raid->width = meta->array_width; 1860 raid->total_sectors = meta->total_sectors; 1861 raid->heads = 255; 1862 raid->sectors = 63; 1863 raid->cylinders = raid->total_sectors / (63 * 255); 1864 raid->offset_sectors = HPTV2_LBA(parent) + 1; 1865 raid->rebuild_lba = meta->rebuild_lba; 1866 raid->disks[disk_number].sectors = 1867 raid->total_sectors / raid->width; 1868 } 1869 else 1870 raid->disks[disk_number].flags &= ~AR_DF_ONLINE; 1871 1872 if ((raid->type & AR_T_RAID0) && (raid->total_disks < raid->width)) 1873 raid->total_disks = raid->width; 1874 if (disk_number >= raid->total_disks) 1875 raid->total_disks = disk_number + 1; 1876 ars->raid[raid->volume] = raid; 1877 ars->disk_number[raid->volume] = disk_number; 1878 retval = 1; 1879 break; 1880 } 1881 1882 hptv2_out: 1883 kfree(meta, M_AR); 1884 return retval; 1885 } 1886 1887 static int 1888 ata_raid_hptv2_write_meta(struct ar_softc *rdp) 1889 { 1890 struct hptv2_raid_conf *meta; 1891 struct timeval timestamp; 1892 int disk, error = 0; 1893 1894 meta = (struct hptv2_raid_conf *)kmalloc(sizeof(struct hptv2_raid_conf), 1895 M_AR, M_WAITOK | M_ZERO); 1896 1897 microtime(×tamp); 1898 rdp->magic_0 = timestamp.tv_sec + 2; 1899 rdp->magic_1 = timestamp.tv_sec; 1900 1901 for (disk = 0; disk < rdp->total_disks; disk++) { 1902 if ((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) == 1903 (AR_DF_PRESENT | AR_DF_ONLINE)) 1904 meta->magic = HPTV2_MAGIC_OK; 1905 if (rdp->disks[disk].flags & AR_DF_ASSIGNED) { 1906 meta->magic_0 = rdp->magic_0; 1907 if (strlen(rdp->name)) 1908 strncpy(meta->name_1, rdp->name, sizeof(meta->name_1)); 1909 else 1910 strcpy(meta->name_1, "FreeBSD"); 1911 } 1912 meta->disk_number = disk; 1913 1914 switch (rdp->type) { 1915 case AR_T_RAID0: 1916 meta->type = HPTV2_T_RAID0; 1917 strcpy(meta->name_2, "RAID 0"); 1918 if (rdp->disks[disk].flags & AR_DF_ONLINE) 1919 meta->order = HPTV2_O_OK; 1920 break; 1921 1922 case AR_T_RAID1: 1923 meta->type = HPTV2_T_RAID0; 1924 strcpy(meta->name_2, "RAID 1"); 1925 meta->disk_number = (disk < rdp->width) ? disk : disk + 5; 1926 meta->order = HPTV2_O_RAID0 | HPTV2_O_OK; 1927 break; 1928 1929 case AR_T_RAID01: 1930 meta->type = HPTV2_T_RAID01_RAID0; 1931 strcpy(meta->name_2, "RAID 0+1"); 1932 if (rdp->disks[disk].flags & AR_DF_ONLINE) { 1933 if (disk < rdp->width) { 1934 meta->order = (HPTV2_O_RAID0 | HPTV2_O_RAID1); 1935 meta->magic_0 = rdp->magic_0 - 1; 1936 } 1937 else { 1938 meta->order = HPTV2_O_RAID1; 1939 meta->disk_number -= rdp->width; 1940 } 1941 } 1942 else 1943 meta->magic_0 = rdp->magic_0 - 1; 1944 meta->magic_1 = rdp->magic_1; 1945 break; 1946 1947 case AR_T_SPAN: 1948 meta->type = HPTV2_T_SPAN; 1949 strcpy(meta->name_2, "SPAN"); 1950 break; 1951 default: 1952 kfree(meta, M_AR); 1953 return ENODEV; 1954 } 1955 1956 meta->array_width = rdp->width; 1957 meta->stripe_shift = (rdp->width > 1) ? (ffs(rdp->interleave)-1) : 0; 1958 meta->total_sectors = rdp->total_sectors; 1959 meta->rebuild_lba = rdp->rebuild_lba; 1960 if (testing || bootverbose) 1961 ata_raid_hptv2_print_meta(meta); 1962 if (rdp->disks[disk].dev) { 1963 if (ata_raid_rw(rdp->disks[disk].dev, 1964 HPTV2_LBA(rdp->disks[disk].dev), meta, 1965 sizeof(struct promise_raid_conf), 1966 ATA_R_WRITE | ATA_R_DIRECT)) { 1967 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 1968 error = EIO; 1969 } 1970 } 1971 } 1972 kfree(meta, M_AR); 1973 return error; 1974 } 1975 1976 /* Highpoint V3 RocketRAID Metadata */ 1977 static int 1978 ata_raid_hptv3_read_meta(device_t dev, struct ar_softc **raidp) 1979 { 1980 struct ata_raid_subdisk *ars = device_get_softc(dev); 1981 device_t parent = device_get_parent(dev); 1982 struct hptv3_raid_conf *meta; 1983 struct ar_softc *raid = NULL; 1984 int array, disk_number, retval = 0; 1985 1986 meta = (struct hptv3_raid_conf *)kmalloc(sizeof(struct hptv3_raid_conf), 1987 M_AR, M_WAITOK | M_ZERO); 1988 1989 if (ata_raid_rw(parent, HPTV3_LBA(parent), 1990 meta, sizeof(struct hptv3_raid_conf), ATA_R_READ)) { 1991 if (testing || bootverbose) 1992 device_printf(parent, "HighPoint (v3) read metadata failed\n"); 1993 goto hptv3_out; 1994 } 1995 1996 /* check if this is a HighPoint v3 RAID struct */ 1997 if (meta->magic != HPTV3_MAGIC) { 1998 if (testing || bootverbose) 1999 device_printf(parent, "HighPoint (v3) check1 failed\n"); 2000 goto hptv3_out; 2001 } 2002 2003 /* check if there are any config_entries */ 2004 if (meta->config_entries < 1) { 2005 if (testing || bootverbose) 2006 device_printf(parent, "HighPoint (v3) check2 failed\n"); 2007 goto hptv3_out; 2008 } 2009 2010 if (testing || bootverbose) 2011 ata_raid_hptv3_print_meta(meta); 2012 2013 /* now convert HighPoint (v3) metadata into our generic form */ 2014 for (array = 0; array < MAX_ARRAYS; array++) { 2015 if (!raidp[array]) { 2016 raidp[array] = 2017 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2018 M_WAITOK | M_ZERO); 2019 } 2020 raid = raidp[array]; 2021 if (raid->format && (raid->format != AR_F_HPTV3_RAID)) 2022 continue; 2023 2024 if ((raid->format & AR_F_HPTV3_RAID) && raid->magic_0 != meta->magic_0) 2025 continue; 2026 2027 switch (meta->configs[0].type) { 2028 case HPTV3_T_RAID0: 2029 raid->type = AR_T_RAID0; 2030 raid->width = meta->configs[0].total_disks; 2031 disk_number = meta->configs[0].disk_number; 2032 break; 2033 2034 case HPTV3_T_RAID1: 2035 raid->type = AR_T_RAID1; 2036 raid->width = meta->configs[0].total_disks / 2; 2037 disk_number = meta->configs[0].disk_number; 2038 break; 2039 2040 case HPTV3_T_RAID5: 2041 raid->type = AR_T_RAID5; 2042 raid->width = meta->configs[0].total_disks; 2043 disk_number = meta->configs[0].disk_number; 2044 break; 2045 2046 case HPTV3_T_SPAN: 2047 raid->type = AR_T_SPAN; 2048 raid->width = meta->configs[0].total_disks; 2049 disk_number = meta->configs[0].disk_number; 2050 break; 2051 2052 default: 2053 device_printf(parent, "Highpoint (v3) unknown RAID type 0x%02x\n", 2054 meta->configs[0].type); 2055 kfree(raidp[array], M_AR); 2056 raidp[array] = NULL; 2057 goto hptv3_out; 2058 } 2059 if (meta->config_entries == 2) { 2060 switch (meta->configs[1].type) { 2061 case HPTV3_T_RAID1: 2062 if (raid->type == AR_T_RAID0) { 2063 raid->type = AR_T_RAID01; 2064 disk_number = meta->configs[1].disk_number + 2065 (meta->configs[0].disk_number << 1); 2066 break; 2067 } 2068 default: 2069 device_printf(parent, "Highpoint (v3) unknown level 2 0x%02x\n", 2070 meta->configs[1].type); 2071 kfree(raidp[array], M_AR); 2072 raidp[array] = NULL; 2073 goto hptv3_out; 2074 } 2075 } 2076 2077 raid->magic_0 = meta->magic_0; 2078 raid->format = AR_F_HPTV3_RAID; 2079 raid->generation = meta->timestamp; 2080 raid->interleave = 1 << meta->configs[0].stripe_shift; 2081 raid->total_disks = meta->configs[0].total_disks + 2082 meta->configs[1].total_disks; 2083 raid->total_sectors = meta->configs[0].total_sectors + 2084 ((u_int64_t)meta->configs_high[0].total_sectors << 32); 2085 raid->heads = 255; 2086 raid->sectors = 63; 2087 raid->cylinders = raid->total_sectors / (63 * 255); 2088 raid->offset_sectors = 0; 2089 raid->rebuild_lba = meta->configs[0].rebuild_lba + 2090 ((u_int64_t)meta->configs_high[0].rebuild_lba << 32); 2091 raid->lun = array; 2092 strncpy(raid->name, meta->name, 2093 min(sizeof(raid->name), sizeof(meta->name))); 2094 raid->disks[disk_number].sectors = raid->total_sectors / 2095 (raid->type == AR_T_RAID5 ? raid->width - 1 : raid->width); 2096 raid->disks[disk_number].dev = parent; 2097 raid->disks[disk_number].flags = 2098 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 2099 ars->raid[raid->volume] = raid; 2100 ars->disk_number[raid->volume] = disk_number; 2101 retval = 1; 2102 break; 2103 } 2104 2105 hptv3_out: 2106 kfree(meta, M_AR); 2107 return retval; 2108 } 2109 2110 /* Intel MatrixRAID Metadata */ 2111 static int 2112 ata_raid_intel_read_meta(device_t dev, struct ar_softc **raidp) 2113 { 2114 struct ata_raid_subdisk *ars = device_get_softc(dev); 2115 device_t parent = device_get_parent(dev); 2116 struct intel_raid_conf *meta; 2117 struct intel_raid_mapping *map; 2118 struct ar_softc *raid = NULL; 2119 u_int32_t checksum, *ptr; 2120 int array, count, disk, volume = 1, retval = 0; 2121 char *tmp; 2122 2123 meta = (struct intel_raid_conf *)kmalloc(1536, M_AR, M_WAITOK | M_ZERO); 2124 2125 if (ata_raid_rw(parent, INTEL_LBA(parent), meta, 1024, ATA_R_READ)) { 2126 if (testing || bootverbose) 2127 device_printf(parent, "Intel read metadata failed\n"); 2128 goto intel_out; 2129 } 2130 tmp = (char *)meta; 2131 bcopy(tmp, tmp+1024, 512); 2132 bcopy(tmp+512, tmp, 1024); 2133 bzero(tmp+1024, 512); 2134 2135 /* check if this is a Intel RAID struct */ 2136 if (strncmp(meta->intel_id, INTEL_MAGIC, strlen(INTEL_MAGIC))) { 2137 if (testing || bootverbose) 2138 device_printf(parent, "Intel check1 failed\n"); 2139 goto intel_out; 2140 } 2141 2142 for (checksum = 0, ptr = (u_int32_t *)meta, count = 0; 2143 count < (meta->config_size / sizeof(u_int32_t)); count++) { 2144 checksum += *ptr++; 2145 } 2146 checksum -= meta->checksum; 2147 if (checksum != meta->checksum) { 2148 if (testing || bootverbose) 2149 device_printf(parent, "Intel check2 failed\n"); 2150 goto intel_out; 2151 } 2152 2153 if (testing || bootverbose) 2154 ata_raid_intel_print_meta(meta); 2155 2156 map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks]; 2157 2158 /* now convert Intel metadata into our generic form */ 2159 for (array = 0; array < MAX_ARRAYS; array++) { 2160 if (!raidp[array]) { 2161 raidp[array] = 2162 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2163 M_WAITOK | M_ZERO); 2164 } 2165 raid = raidp[array]; 2166 if (raid->format && (raid->format != AR_F_INTEL_RAID)) 2167 continue; 2168 2169 if ((raid->format & AR_F_INTEL_RAID) && 2170 (raid->magic_0 != meta->config_id)) 2171 continue; 2172 2173 /* 2174 * update our knowledge about the array config based on generation 2175 * NOTE: there can be multiple volumes on a disk set 2176 */ 2177 if (!meta->generation || meta->generation > raid->generation) { 2178 switch (map->type) { 2179 case INTEL_T_RAID0: 2180 raid->type = AR_T_RAID0; 2181 raid->width = map->total_disks; 2182 break; 2183 2184 case INTEL_T_RAID1: 2185 if (map->total_disks == 4) 2186 raid->type = AR_T_RAID01; 2187 else 2188 raid->type = AR_T_RAID1; 2189 raid->width = map->total_disks / 2; 2190 break; 2191 2192 case INTEL_T_RAID5: 2193 raid->type = AR_T_RAID5; 2194 raid->width = map->total_disks; 2195 break; 2196 2197 default: 2198 device_printf(parent, "Intel unknown RAID type 0x%02x\n", 2199 map->type); 2200 kfree(raidp[array], M_AR); 2201 raidp[array] = NULL; 2202 goto intel_out; 2203 } 2204 2205 switch (map->status) { 2206 case INTEL_S_READY: 2207 raid->status = AR_S_READY; 2208 break; 2209 case INTEL_S_DEGRADED: 2210 raid->status |= AR_S_DEGRADED; 2211 break; 2212 case INTEL_S_DISABLED: 2213 case INTEL_S_FAILURE: 2214 raid->status = 0; 2215 } 2216 2217 raid->magic_0 = meta->config_id; 2218 raid->format = AR_F_INTEL_RAID; 2219 raid->generation = meta->generation; 2220 raid->interleave = map->stripe_sectors; 2221 raid->total_disks = map->total_disks; 2222 raid->total_sectors = map->total_sectors; 2223 raid->heads = 255; 2224 raid->sectors = 63; 2225 raid->cylinders = raid->total_sectors / (63 * 255); 2226 raid->offset_sectors = map->offset; 2227 raid->rebuild_lba = 0; 2228 raid->lun = array; 2229 raid->volume = volume - 1; 2230 strncpy(raid->name, map->name, 2231 min(sizeof(raid->name), sizeof(map->name))); 2232 2233 /* clear out any old info */ 2234 for (disk = 0; disk < raid->total_disks; disk++) { 2235 raid->disks[disk].dev = NULL; 2236 bcopy(meta->disk[map->disk_idx[disk]].serial, 2237 raid->disks[disk].serial, 2238 sizeof(raid->disks[disk].serial)); 2239 raid->disks[disk].sectors = 2240 meta->disk[map->disk_idx[disk]].sectors; 2241 raid->disks[disk].flags = 0; 2242 if (meta->disk[map->disk_idx[disk]].flags & INTEL_F_ONLINE) 2243 raid->disks[disk].flags |= AR_DF_ONLINE; 2244 if (meta->disk[map->disk_idx[disk]].flags & INTEL_F_ASSIGNED) 2245 raid->disks[disk].flags |= AR_DF_ASSIGNED; 2246 if (meta->disk[map->disk_idx[disk]].flags & INTEL_F_SPARE) { 2247 raid->disks[disk].flags &= ~(AR_DF_ONLINE | AR_DF_ASSIGNED); 2248 raid->disks[disk].flags |= AR_DF_SPARE; 2249 } 2250 if (meta->disk[map->disk_idx[disk]].flags & INTEL_F_DOWN) 2251 raid->disks[disk].flags &= ~AR_DF_ONLINE; 2252 } 2253 } 2254 if (meta->generation >= raid->generation) { 2255 for (disk = 0; disk < raid->total_disks; disk++) { 2256 struct ata_device *atadev = device_get_softc(parent); 2257 2258 if (!strncmp(raid->disks[disk].serial, atadev->param.serial, 2259 sizeof(raid->disks[disk].serial))) { 2260 raid->disks[disk].dev = parent; 2261 raid->disks[disk].flags |= (AR_DF_PRESENT | AR_DF_ONLINE); 2262 ars->raid[raid->volume] = raid; 2263 ars->disk_number[raid->volume] = disk; 2264 retval = 1; 2265 } 2266 } 2267 } 2268 else 2269 goto intel_out; 2270 2271 if (retval) { 2272 if (volume < meta->total_volumes) { 2273 map = (struct intel_raid_mapping *) 2274 &map->disk_idx[map->total_disks]; 2275 volume++; 2276 retval = 0; 2277 continue; 2278 } 2279 break; 2280 } 2281 else { 2282 kfree(raidp[array], M_AR); 2283 raidp[array] = NULL; 2284 if (volume == 2) 2285 retval = 1; 2286 } 2287 } 2288 2289 intel_out: 2290 kfree(meta, M_AR); 2291 return retval; 2292 } 2293 2294 static int 2295 ata_raid_intel_write_meta(struct ar_softc *rdp) 2296 { 2297 struct intel_raid_conf *meta; 2298 struct intel_raid_mapping *map; 2299 struct timeval timestamp; 2300 u_int32_t checksum, *ptr; 2301 int count, disk, error = 0; 2302 char *tmp; 2303 2304 meta = (struct intel_raid_conf *)kmalloc(1536, M_AR, M_WAITOK | M_ZERO); 2305 2306 rdp->generation++; 2307 2308 /* Generate a new config_id if none exists */ 2309 if (!rdp->magic_0) { 2310 microtime(×tamp); 2311 rdp->magic_0 = timestamp.tv_sec ^ timestamp.tv_usec; 2312 } 2313 2314 bcopy(INTEL_MAGIC, meta->intel_id, sizeof(meta->intel_id)); 2315 bcopy(INTEL_VERSION_1100, meta->version, sizeof(meta->version)); 2316 meta->config_id = rdp->magic_0; 2317 meta->generation = rdp->generation; 2318 meta->total_disks = rdp->total_disks; 2319 meta->total_volumes = 1; /* XXX SOS */ 2320 for (disk = 0; disk < rdp->total_disks; disk++) { 2321 if (rdp->disks[disk].dev) { 2322 struct ata_channel *ch = 2323 device_get_softc(device_get_parent(rdp->disks[disk].dev)); 2324 struct ata_device *atadev = 2325 device_get_softc(rdp->disks[disk].dev); 2326 2327 bcopy(atadev->param.serial, meta->disk[disk].serial, 2328 sizeof(rdp->disks[disk].serial)); 2329 meta->disk[disk].sectors = rdp->disks[disk].sectors; 2330 meta->disk[disk].id = (ch->unit << 16) | ATA_DEV(atadev->unit); 2331 } 2332 else 2333 meta->disk[disk].sectors = rdp->total_sectors / rdp->width; 2334 meta->disk[disk].flags = 0; 2335 if (rdp->disks[disk].flags & AR_DF_SPARE) 2336 meta->disk[disk].flags |= INTEL_F_SPARE; 2337 else { 2338 if (rdp->disks[disk].flags & AR_DF_ONLINE) 2339 meta->disk[disk].flags |= INTEL_F_ONLINE; 2340 else 2341 meta->disk[disk].flags |= INTEL_F_DOWN; 2342 if (rdp->disks[disk].flags & AR_DF_ASSIGNED) 2343 meta->disk[disk].flags |= INTEL_F_ASSIGNED; 2344 } 2345 } 2346 map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks]; 2347 2348 bcopy(rdp->name, map->name, sizeof(rdp->name)); 2349 map->total_sectors = rdp->total_sectors; 2350 map->state = 12; /* XXX SOS */ 2351 map->offset = rdp->offset_sectors; 2352 map->stripe_count = rdp->total_sectors / (rdp->interleave*rdp->total_disks); 2353 map->stripe_sectors = rdp->interleave; 2354 map->disk_sectors = rdp->total_sectors / rdp->width; 2355 map->status = INTEL_S_READY; /* XXX SOS */ 2356 switch (rdp->type) { 2357 case AR_T_RAID0: 2358 map->type = INTEL_T_RAID0; 2359 break; 2360 case AR_T_RAID1: 2361 map->type = INTEL_T_RAID1; 2362 break; 2363 case AR_T_RAID01: 2364 map->type = INTEL_T_RAID1; 2365 break; 2366 case AR_T_RAID5: 2367 map->type = INTEL_T_RAID5; 2368 break; 2369 default: 2370 kfree(meta, M_AR); 2371 return ENODEV; 2372 } 2373 map->total_disks = rdp->total_disks; 2374 map->magic[0] = 0x02; 2375 map->magic[1] = 0xff; 2376 map->magic[2] = 0x01; 2377 for (disk = 0; disk < rdp->total_disks; disk++) 2378 map->disk_idx[disk] = disk; 2379 2380 meta->config_size = (char *)&map->disk_idx[disk] - (char *)meta; 2381 for (checksum = 0, ptr = (u_int32_t *)meta, count = 0; 2382 count < (meta->config_size / sizeof(u_int32_t)); count++) { 2383 checksum += *ptr++; 2384 } 2385 meta->checksum = checksum; 2386 2387 if (testing || bootverbose) 2388 ata_raid_intel_print_meta(meta); 2389 2390 tmp = (char *)meta; 2391 bcopy(tmp, tmp+1024, 512); 2392 bcopy(tmp+512, tmp, 1024); 2393 bzero(tmp+1024, 512); 2394 2395 for (disk = 0; disk < rdp->total_disks; disk++) { 2396 if (rdp->disks[disk].dev) { 2397 if (ata_raid_rw(rdp->disks[disk].dev, 2398 INTEL_LBA(rdp->disks[disk].dev), 2399 meta, 1024, ATA_R_WRITE | ATA_R_DIRECT)) { 2400 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 2401 error = EIO; 2402 } 2403 } 2404 } 2405 kfree(meta, M_AR); 2406 return error; 2407 } 2408 2409 2410 /* Integrated Technology Express Metadata */ 2411 static int 2412 ata_raid_ite_read_meta(device_t dev, struct ar_softc **raidp) 2413 { 2414 struct ata_raid_subdisk *ars = device_get_softc(dev); 2415 device_t parent = device_get_parent(dev); 2416 struct ite_raid_conf *meta; 2417 struct ar_softc *raid = NULL; 2418 int array, disk_number, count, retval = 0; 2419 u_int16_t *ptr; 2420 2421 meta = (struct ite_raid_conf *)kmalloc(sizeof(struct ite_raid_conf), M_AR, 2422 M_WAITOK | M_ZERO); 2423 2424 if (ata_raid_rw(parent, ITE_LBA(parent), 2425 meta, sizeof(struct ite_raid_conf), ATA_R_READ)) { 2426 if (testing || bootverbose) 2427 device_printf(parent, "ITE read metadata failed\n"); 2428 goto ite_out; 2429 } 2430 2431 /* check if this is a ITE RAID struct */ 2432 for (ptr = (u_int16_t *)meta->ite_id, count = 0; 2433 count < sizeof(meta->ite_id)/sizeof(uint16_t); count++) 2434 ptr[count] = be16toh(ptr[count]); 2435 2436 if (strncmp(meta->ite_id, ITE_MAGIC, strlen(ITE_MAGIC))) { 2437 if (testing || bootverbose) 2438 device_printf(parent, "ITE check1 failed\n"); 2439 goto ite_out; 2440 } 2441 2442 if (testing || bootverbose) 2443 ata_raid_ite_print_meta(meta); 2444 2445 /* now convert ITE metadata into our generic form */ 2446 for (array = 0; array < MAX_ARRAYS; array++) { 2447 if ((raid = raidp[array])) { 2448 if (raid->format != AR_F_ITE_RAID) 2449 continue; 2450 if (raid->magic_0 != *((u_int64_t *)meta->timestamp_0)) 2451 continue; 2452 } 2453 2454 /* if we dont have a disks timestamp the RAID is invalidated */ 2455 if (*((u_int64_t *)meta->timestamp_1) == 0) 2456 goto ite_out; 2457 2458 if (!raid) { 2459 raidp[array] = (struct ar_softc *)kmalloc(sizeof(struct ar_softc), 2460 M_AR, M_WAITOK | M_ZERO); 2461 } 2462 2463 switch (meta->type) { 2464 case ITE_T_RAID0: 2465 raid->type = AR_T_RAID0; 2466 raid->width = meta->array_width; 2467 raid->total_disks = meta->array_width; 2468 disk_number = meta->disk_number; 2469 break; 2470 2471 case ITE_T_RAID1: 2472 raid->type = AR_T_RAID1; 2473 raid->width = 1; 2474 raid->total_disks = 2; 2475 disk_number = meta->disk_number; 2476 break; 2477 2478 case ITE_T_RAID01: 2479 raid->type = AR_T_RAID01; 2480 raid->width = meta->array_width; 2481 raid->total_disks = 4; 2482 disk_number = ((meta->disk_number & 0x02) >> 1) | 2483 ((meta->disk_number & 0x01) << 1); 2484 break; 2485 2486 case ITE_T_SPAN: 2487 raid->type = AR_T_SPAN; 2488 raid->width = 1; 2489 raid->total_disks = meta->array_width; 2490 disk_number = meta->disk_number; 2491 break; 2492 2493 default: 2494 device_printf(parent, "ITE unknown RAID type 0x%02x\n", meta->type); 2495 kfree(raidp[array], M_AR); 2496 raidp[array] = NULL; 2497 goto ite_out; 2498 } 2499 2500 raid->magic_0 = *((u_int64_t *)meta->timestamp_0); 2501 raid->format = AR_F_ITE_RAID; 2502 raid->generation = 0; 2503 raid->interleave = meta->stripe_sectors; 2504 raid->total_sectors = meta->total_sectors; 2505 raid->heads = 255; 2506 raid->sectors = 63; 2507 raid->cylinders = raid->total_sectors / (63 * 255); 2508 raid->offset_sectors = 0; 2509 raid->rebuild_lba = 0; 2510 raid->lun = array; 2511 2512 raid->disks[disk_number].dev = parent; 2513 raid->disks[disk_number].sectors = raid->total_sectors / raid->width; 2514 raid->disks[disk_number].flags = 2515 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 2516 ars->raid[raid->volume] = raid; 2517 ars->disk_number[raid->volume] = disk_number; 2518 retval = 1; 2519 break; 2520 } 2521 ite_out: 2522 kfree(meta, M_AR); 2523 return retval; 2524 } 2525 2526 /* JMicron Technology Corp Metadata */ 2527 static int 2528 ata_raid_jmicron_read_meta(device_t dev, struct ar_softc **raidp) 2529 { 2530 struct ata_raid_subdisk *ars = device_get_softc(dev); 2531 device_t parent = device_get_parent(dev); 2532 struct jmicron_raid_conf *meta; 2533 struct ar_softc *raid = NULL; 2534 u_int16_t checksum, *ptr; 2535 u_int64_t disk_size; 2536 int count, array, disk, total_disks, retval = 0; 2537 2538 meta = (struct jmicron_raid_conf *) 2539 kmalloc(sizeof(struct jmicron_raid_conf), M_AR, M_WAITOK | M_ZERO); 2540 2541 if (ata_raid_rw(parent, JMICRON_LBA(parent), 2542 meta, sizeof(struct jmicron_raid_conf), ATA_R_READ)) { 2543 if (testing || bootverbose) 2544 device_printf(parent, 2545 "JMicron read metadata failed\n"); 2546 } 2547 2548 /* check for JMicron signature */ 2549 if (strncmp(meta->signature, JMICRON_MAGIC, 2)) { 2550 if (testing || bootverbose) 2551 device_printf(parent, "JMicron check1 failed\n"); 2552 goto jmicron_out; 2553 } 2554 2555 /* calculate checksum and compare for valid */ 2556 for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 64; count++) 2557 checksum += *ptr++; 2558 if (checksum) { 2559 if (testing || bootverbose) 2560 device_printf(parent, "JMicron check2 failed\n"); 2561 goto jmicron_out; 2562 } 2563 2564 if (testing || bootverbose) 2565 ata_raid_jmicron_print_meta(meta); 2566 2567 /* now convert JMicron meta into our generic form */ 2568 for (array = 0; array < MAX_ARRAYS; array++) { 2569 jmicron_next: 2570 if (!raidp[array]) { 2571 raidp[array] = 2572 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2573 M_WAITOK | M_ZERO); 2574 } 2575 raid = raidp[array]; 2576 if (raid->format && (raid->format != AR_F_JMICRON_RAID)) 2577 continue; 2578 2579 for (total_disks = 0, disk = 0; disk < JM_MAX_DISKS; disk++) { 2580 if (meta->disks[disk]) { 2581 if (raid->format == AR_F_JMICRON_RAID) { 2582 if (bcmp(&meta->disks[disk], 2583 raid->disks[disk].serial, sizeof(u_int32_t))) { 2584 array++; 2585 goto jmicron_next; 2586 } 2587 } 2588 else 2589 bcopy(&meta->disks[disk], 2590 raid->disks[disk].serial, sizeof(u_int32_t)); 2591 total_disks++; 2592 } 2593 } 2594 /* handle spares XXX SOS */ 2595 2596 switch (meta->type) { 2597 case JM_T_RAID0: 2598 raid->type = AR_T_RAID0; 2599 raid->width = total_disks; 2600 break; 2601 2602 case JM_T_RAID1: 2603 raid->type = AR_T_RAID1; 2604 raid->width = 1; 2605 break; 2606 2607 case JM_T_RAID01: 2608 raid->type = AR_T_RAID01; 2609 raid->width = total_disks / 2; 2610 break; 2611 2612 case JM_T_RAID5: 2613 raid->type = AR_T_RAID5; 2614 raid->width = total_disks; 2615 break; 2616 2617 case JM_T_JBOD: 2618 raid->type = AR_T_SPAN; 2619 raid->width = 1; 2620 break; 2621 2622 default: 2623 device_printf(parent, 2624 "JMicron unknown RAID type 0x%02x\n", meta->type); 2625 kfree(raidp[array], M_AR); 2626 raidp[array] = NULL; 2627 goto jmicron_out; 2628 } 2629 disk_size = (meta->disk_sectors_high << 16) + meta->disk_sectors_low; 2630 raid->format = AR_F_JMICRON_RAID; 2631 strncpy(raid->name, meta->name, sizeof(meta->name)); 2632 raid->generation = 0; 2633 raid->interleave = 2 << meta->stripe_shift; 2634 raid->total_disks = total_disks; 2635 raid->total_sectors = disk_size * (raid->width-(raid->type==AR_RAID5)); 2636 raid->heads = 255; 2637 raid->sectors = 63; 2638 raid->cylinders = raid->total_sectors / (63 * 255); 2639 raid->offset_sectors = meta->offset * 16; 2640 raid->rebuild_lba = 0; 2641 raid->lun = array; 2642 2643 for (disk = 0; disk < raid->total_disks; disk++) { 2644 if (meta->disks[disk] == meta->disk_id) { 2645 raid->disks[disk].dev = parent; 2646 raid->disks[disk].sectors = disk_size; 2647 raid->disks[disk].flags = 2648 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 2649 ars->raid[raid->volume] = raid; 2650 ars->disk_number[raid->volume] = disk; 2651 retval = 1; 2652 break; 2653 } 2654 } 2655 break; 2656 } 2657 jmicron_out: 2658 kfree(meta, M_AR); 2659 return retval; 2660 } 2661 2662 static int 2663 ata_raid_jmicron_write_meta(struct ar_softc *rdp) 2664 { 2665 struct jmicron_raid_conf *meta; 2666 u_int64_t disk_sectors; 2667 int disk, error = 0; 2668 2669 meta = (struct jmicron_raid_conf *) 2670 kmalloc(sizeof(struct jmicron_raid_conf), M_AR, M_WAITOK | M_ZERO); 2671 2672 rdp->generation++; 2673 switch (rdp->type) { 2674 case AR_T_JBOD: 2675 meta->type = JM_T_JBOD; 2676 break; 2677 2678 case AR_T_RAID0: 2679 meta->type = JM_T_RAID0; 2680 break; 2681 2682 case AR_T_RAID1: 2683 meta->type = JM_T_RAID1; 2684 break; 2685 2686 case AR_T_RAID5: 2687 meta->type = JM_T_RAID5; 2688 break; 2689 2690 case AR_T_RAID01: 2691 meta->type = JM_T_RAID01; 2692 break; 2693 2694 default: 2695 kfree(meta, M_AR); 2696 return ENODEV; 2697 } 2698 bcopy(JMICRON_MAGIC, meta->signature, sizeof(JMICRON_MAGIC)); 2699 meta->version = JMICRON_VERSION; 2700 meta->offset = rdp->offset_sectors / 16; 2701 disk_sectors = rdp->total_sectors / (rdp->width - (rdp->type == AR_RAID5)); 2702 meta->disk_sectors_low = disk_sectors & 0xffff; 2703 meta->disk_sectors_high = disk_sectors >> 16; 2704 strncpy(meta->name, rdp->name, sizeof(meta->name)); 2705 meta->stripe_shift = ffs(rdp->interleave) - 2; 2706 2707 for (disk = 0; disk < rdp->total_disks; disk++) { 2708 if (rdp->disks[disk].serial[0]) 2709 bcopy(rdp->disks[disk].serial,&meta->disks[disk],sizeof(u_int32_t)); 2710 else 2711 meta->disks[disk] = (u_int32_t)(uintptr_t)rdp->disks[disk].dev; 2712 } 2713 2714 for (disk = 0; disk < rdp->total_disks; disk++) { 2715 if (rdp->disks[disk].dev) { 2716 u_int16_t checksum = 0, *ptr; 2717 int count; 2718 2719 meta->disk_id = meta->disks[disk]; 2720 meta->checksum = 0; 2721 for (ptr = (u_int16_t *)meta, count = 0; count < 64; count++) 2722 checksum += *ptr++; 2723 meta->checksum -= checksum; 2724 2725 if (testing || bootverbose) 2726 ata_raid_jmicron_print_meta(meta); 2727 2728 if (ata_raid_rw(rdp->disks[disk].dev, 2729 JMICRON_LBA(rdp->disks[disk].dev), 2730 meta, sizeof(struct jmicron_raid_conf), 2731 ATA_R_WRITE | ATA_R_DIRECT)) { 2732 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 2733 error = EIO; 2734 } 2735 } 2736 } 2737 /* handle spares XXX SOS */ 2738 2739 kfree(meta, M_AR); 2740 return error; 2741 } 2742 2743 /* LSILogic V2 MegaRAID Metadata */ 2744 static int 2745 ata_raid_lsiv2_read_meta(device_t dev, struct ar_softc **raidp) 2746 { 2747 struct ata_raid_subdisk *ars = device_get_softc(dev); 2748 device_t parent = device_get_parent(dev); 2749 struct lsiv2_raid_conf *meta; 2750 struct ar_softc *raid = NULL; 2751 int array, retval = 0; 2752 2753 meta = (struct lsiv2_raid_conf *)kmalloc(sizeof(struct lsiv2_raid_conf), 2754 M_AR, M_WAITOK | M_ZERO); 2755 2756 if (ata_raid_rw(parent, LSIV2_LBA(parent), 2757 meta, sizeof(struct lsiv2_raid_conf), ATA_R_READ)) { 2758 if (testing || bootverbose) 2759 device_printf(parent, "LSI (v2) read metadata failed\n"); 2760 goto lsiv2_out; 2761 } 2762 2763 /* check if this is a LSI RAID struct */ 2764 if (strncmp(meta->lsi_id, LSIV2_MAGIC, strlen(LSIV2_MAGIC))) { 2765 if (testing || bootverbose) 2766 device_printf(parent, "LSI (v2) check1 failed\n"); 2767 goto lsiv2_out; 2768 } 2769 2770 if (testing || bootverbose) 2771 ata_raid_lsiv2_print_meta(meta); 2772 2773 /* now convert LSI (v2) config meta into our generic form */ 2774 for (array = 0; array < MAX_ARRAYS; array++) { 2775 int raid_entry, conf_entry; 2776 2777 if (!raidp[array + meta->raid_number]) { 2778 raidp[array + meta->raid_number] = 2779 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2780 M_WAITOK | M_ZERO); 2781 } 2782 raid = raidp[array + meta->raid_number]; 2783 if (raid->format && (raid->format != AR_F_LSIV2_RAID)) 2784 continue; 2785 2786 if (raid->magic_0 && 2787 ((raid->magic_0 != meta->timestamp) || 2788 (raid->magic_1 != meta->raid_number))) 2789 continue; 2790 2791 array += meta->raid_number; 2792 2793 raid_entry = meta->raid_number; 2794 conf_entry = (meta->configs[raid_entry].raid.config_offset >> 4) + 2795 meta->disk_number - 1; 2796 2797 switch (meta->configs[raid_entry].raid.type) { 2798 case LSIV2_T_RAID0: 2799 raid->magic_0 = meta->timestamp; 2800 raid->magic_1 = meta->raid_number; 2801 raid->type = AR_T_RAID0; 2802 raid->interleave = meta->configs[raid_entry].raid.stripe_sectors; 2803 raid->width = meta->configs[raid_entry].raid.array_width; 2804 break; 2805 2806 case LSIV2_T_RAID1: 2807 raid->magic_0 = meta->timestamp; 2808 raid->magic_1 = meta->raid_number; 2809 raid->type = AR_T_RAID1; 2810 raid->width = meta->configs[raid_entry].raid.array_width; 2811 break; 2812 2813 case LSIV2_T_RAID0 | LSIV2_T_RAID1: 2814 raid->magic_0 = meta->timestamp; 2815 raid->magic_1 = meta->raid_number; 2816 raid->type = AR_T_RAID01; 2817 raid->interleave = meta->configs[raid_entry].raid.stripe_sectors; 2818 raid->width = meta->configs[raid_entry].raid.array_width; 2819 break; 2820 2821 default: 2822 device_printf(parent, "LSI v2 unknown RAID type 0x%02x\n", 2823 meta->configs[raid_entry].raid.type); 2824 kfree(raidp[array], M_AR); 2825 raidp[array] = NULL; 2826 goto lsiv2_out; 2827 } 2828 2829 raid->format = AR_F_LSIV2_RAID; 2830 raid->generation = 0; 2831 raid->total_disks = meta->configs[raid_entry].raid.disk_count; 2832 raid->total_sectors = meta->configs[raid_entry].raid.total_sectors; 2833 raid->heads = 255; 2834 raid->sectors = 63; 2835 raid->cylinders = raid->total_sectors / (63 * 255); 2836 raid->offset_sectors = 0; 2837 raid->rebuild_lba = 0; 2838 raid->lun = array; 2839 2840 if (meta->configs[conf_entry].disk.device != LSIV2_D_NONE) { 2841 raid->disks[meta->disk_number].dev = parent; 2842 raid->disks[meta->disk_number].sectors = 2843 meta->configs[conf_entry].disk.disk_sectors; 2844 raid->disks[meta->disk_number].flags = 2845 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 2846 ars->raid[raid->volume] = raid; 2847 ars->disk_number[raid->volume] = meta->disk_number; 2848 retval = 1; 2849 } 2850 else 2851 raid->disks[meta->disk_number].flags &= ~AR_DF_ONLINE; 2852 2853 break; 2854 } 2855 2856 lsiv2_out: 2857 kfree(meta, M_AR); 2858 return retval; 2859 } 2860 2861 /* LSILogic V3 MegaRAID Metadata */ 2862 static int 2863 ata_raid_lsiv3_read_meta(device_t dev, struct ar_softc **raidp) 2864 { 2865 struct ata_raid_subdisk *ars = device_get_softc(dev); 2866 device_t parent = device_get_parent(dev); 2867 struct lsiv3_raid_conf *meta; 2868 struct ar_softc *raid = NULL; 2869 u_int8_t checksum, *ptr; 2870 int array, entry, count, disk_number, retval = 0; 2871 2872 meta = (struct lsiv3_raid_conf *)kmalloc(sizeof(struct lsiv3_raid_conf), 2873 M_AR, M_WAITOK | M_ZERO); 2874 2875 if (ata_raid_rw(parent, LSIV3_LBA(parent), 2876 meta, sizeof(struct lsiv3_raid_conf), ATA_R_READ)) { 2877 if (testing || bootverbose) 2878 device_printf(parent, "LSI (v3) read metadata failed\n"); 2879 goto lsiv3_out; 2880 } 2881 2882 /* check if this is a LSI RAID struct */ 2883 if (strncmp(meta->lsi_id, LSIV3_MAGIC, strlen(LSIV3_MAGIC))) { 2884 if (testing || bootverbose) 2885 device_printf(parent, "LSI (v3) check1 failed\n"); 2886 goto lsiv3_out; 2887 } 2888 2889 /* check if the checksum is OK */ 2890 for (checksum = 0, ptr = meta->lsi_id, count = 0; count < 512; count++) 2891 checksum += *ptr++; 2892 if (checksum) { 2893 if (testing || bootverbose) 2894 device_printf(parent, "LSI (v3) check2 failed\n"); 2895 goto lsiv3_out; 2896 } 2897 2898 if (testing || bootverbose) 2899 ata_raid_lsiv3_print_meta(meta); 2900 2901 /* now convert LSI (v3) config meta into our generic form */ 2902 for (array = 0, entry = 0; array < MAX_ARRAYS && entry < 8;) { 2903 if (!raidp[array]) { 2904 raidp[array] = 2905 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2906 M_WAITOK | M_ZERO); 2907 } 2908 raid = raidp[array]; 2909 if (raid->format && (raid->format != AR_F_LSIV3_RAID)) { 2910 array++; 2911 continue; 2912 } 2913 2914 if ((raid->format == AR_F_LSIV3_RAID) && 2915 (raid->magic_0 != meta->timestamp)) { 2916 array++; 2917 continue; 2918 } 2919 2920 switch (meta->raid[entry].total_disks) { 2921 case 0: 2922 entry++; 2923 continue; 2924 case 1: 2925 if (meta->raid[entry].device == meta->device) { 2926 disk_number = 0; 2927 break; 2928 } 2929 if (raid->format) 2930 array++; 2931 entry++; 2932 continue; 2933 case 2: 2934 disk_number = (meta->device & (LSIV3_D_DEVICE|LSIV3_D_CHANNEL))?1:0; 2935 break; 2936 default: 2937 device_printf(parent, "lsiv3 > 2 disk support untested!!\n"); 2938 disk_number = (meta->device & LSIV3_D_DEVICE ? 1 : 0) + 2939 (meta->device & LSIV3_D_CHANNEL ? 2 : 0); 2940 break; 2941 } 2942 2943 switch (meta->raid[entry].type) { 2944 case LSIV3_T_RAID0: 2945 raid->type = AR_T_RAID0; 2946 raid->width = meta->raid[entry].total_disks; 2947 break; 2948 2949 case LSIV3_T_RAID1: 2950 raid->type = AR_T_RAID1; 2951 raid->width = meta->raid[entry].array_width; 2952 break; 2953 2954 default: 2955 device_printf(parent, "LSI v3 unknown RAID type 0x%02x\n", 2956 meta->raid[entry].type); 2957 kfree(raidp[array], M_AR); 2958 raidp[array] = NULL; 2959 entry++; 2960 continue; 2961 } 2962 2963 raid->magic_0 = meta->timestamp; 2964 raid->format = AR_F_LSIV3_RAID; 2965 raid->generation = 0; 2966 raid->interleave = meta->raid[entry].stripe_pages * 8; 2967 raid->total_disks = meta->raid[entry].total_disks; 2968 raid->total_sectors = raid->width * meta->raid[entry].sectors; 2969 raid->heads = 255; 2970 raid->sectors = 63; 2971 raid->cylinders = raid->total_sectors / (63 * 255); 2972 raid->offset_sectors = meta->raid[entry].offset; 2973 raid->rebuild_lba = 0; 2974 raid->lun = array; 2975 2976 raid->disks[disk_number].dev = parent; 2977 raid->disks[disk_number].sectors = raid->total_sectors / raid->width; 2978 raid->disks[disk_number].flags = 2979 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 2980 ars->raid[raid->volume] = raid; 2981 ars->disk_number[raid->volume] = disk_number; 2982 retval = 1; 2983 entry++; 2984 array++; 2985 } 2986 2987 lsiv3_out: 2988 kfree(meta, M_AR); 2989 return retval; 2990 } 2991 2992 /* nVidia MediaShield Metadata */ 2993 static int 2994 ata_raid_nvidia_read_meta(device_t dev, struct ar_softc **raidp) 2995 { 2996 struct ata_raid_subdisk *ars = device_get_softc(dev); 2997 device_t parent = device_get_parent(dev); 2998 struct nvidia_raid_conf *meta; 2999 struct ar_softc *raid = NULL; 3000 u_int32_t checksum, *ptr; 3001 int array, count, retval = 0; 3002 3003 meta = (struct nvidia_raid_conf *)kmalloc(sizeof(struct nvidia_raid_conf), 3004 M_AR, M_WAITOK | M_ZERO); 3005 3006 if (ata_raid_rw(parent, NVIDIA_LBA(parent), 3007 meta, sizeof(struct nvidia_raid_conf), ATA_R_READ)) { 3008 if (testing || bootverbose) 3009 device_printf(parent, "nVidia read metadata failed\n"); 3010 goto nvidia_out; 3011 } 3012 3013 /* check if this is a nVidia RAID struct */ 3014 if (strncmp(meta->nvidia_id, NV_MAGIC, strlen(NV_MAGIC))) { 3015 if (testing || bootverbose) 3016 device_printf(parent, "nVidia check1 failed\n"); 3017 goto nvidia_out; 3018 } 3019 3020 /* check if the checksum is OK */ 3021 for (checksum = 0, ptr = (u_int32_t*)meta, count = 0; 3022 count < meta->config_size; count++) 3023 checksum += *ptr++; 3024 if (checksum) { 3025 if (testing || bootverbose) 3026 device_printf(parent, "nVidia check2 failed\n"); 3027 goto nvidia_out; 3028 } 3029 3030 if (testing || bootverbose) 3031 ata_raid_nvidia_print_meta(meta); 3032 3033 /* now convert nVidia meta into our generic form */ 3034 for (array = 0; array < MAX_ARRAYS; array++) { 3035 if (!raidp[array]) { 3036 raidp[array] = 3037 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3038 M_WAITOK | M_ZERO); 3039 } 3040 raid = raidp[array]; 3041 if (raid->format && (raid->format != AR_F_NVIDIA_RAID)) 3042 continue; 3043 3044 if (raid->format == AR_F_NVIDIA_RAID && 3045 ((raid->magic_0 != meta->magic_1) || 3046 (raid->magic_1 != meta->magic_2))) { 3047 continue; 3048 } 3049 3050 switch (meta->type) { 3051 case NV_T_SPAN: 3052 raid->type = AR_T_SPAN; 3053 break; 3054 3055 case NV_T_RAID0: 3056 raid->type = AR_T_RAID0; 3057 break; 3058 3059 case NV_T_RAID1: 3060 raid->type = AR_T_RAID1; 3061 break; 3062 3063 case NV_T_RAID5: 3064 raid->type = AR_T_RAID5; 3065 break; 3066 3067 case NV_T_RAID01: 3068 raid->type = AR_T_RAID01; 3069 break; 3070 3071 default: 3072 device_printf(parent, "nVidia unknown RAID type 0x%02x\n", 3073 meta->type); 3074 kfree(raidp[array], M_AR); 3075 raidp[array] = NULL; 3076 goto nvidia_out; 3077 } 3078 raid->magic_0 = meta->magic_1; 3079 raid->magic_1 = meta->magic_2; 3080 raid->format = AR_F_NVIDIA_RAID; 3081 raid->generation = 0; 3082 raid->interleave = meta->stripe_sectors; 3083 raid->width = meta->array_width; 3084 raid->total_disks = meta->total_disks; 3085 raid->total_sectors = meta->total_sectors; 3086 raid->heads = 255; 3087 raid->sectors = 63; 3088 raid->cylinders = raid->total_sectors / (63 * 255); 3089 raid->offset_sectors = 0; 3090 raid->rebuild_lba = meta->rebuild_lba; 3091 raid->lun = array; 3092 raid->status = AR_S_READY; 3093 if (meta->status & NV_S_DEGRADED) 3094 raid->status |= AR_S_DEGRADED; 3095 3096 raid->disks[meta->disk_number].dev = parent; 3097 raid->disks[meta->disk_number].sectors = 3098 raid->total_sectors / raid->width; 3099 raid->disks[meta->disk_number].flags = 3100 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 3101 ars->raid[raid->volume] = raid; 3102 ars->disk_number[raid->volume] = meta->disk_number; 3103 retval = 1; 3104 break; 3105 } 3106 3107 nvidia_out: 3108 kfree(meta, M_AR); 3109 return retval; 3110 } 3111 3112 /* Promise FastTrak Metadata */ 3113 static int 3114 ata_raid_promise_read_meta(device_t dev, struct ar_softc **raidp, int native) 3115 { 3116 struct ata_raid_subdisk *ars = device_get_softc(dev); 3117 device_t parent = device_get_parent(dev); 3118 struct promise_raid_conf *meta; 3119 struct ar_softc *raid; 3120 u_int32_t checksum, *ptr; 3121 int array, count, disk, disksum = 0, retval = 0; 3122 3123 meta = (struct promise_raid_conf *) 3124 kmalloc(sizeof(struct promise_raid_conf), M_AR, M_WAITOK | M_ZERO); 3125 3126 if (ata_raid_rw(parent, PROMISE_LBA(parent), 3127 meta, sizeof(struct promise_raid_conf), ATA_R_READ)) { 3128 if (testing || bootverbose) 3129 device_printf(parent, "%s read metadata failed\n", 3130 native ? "FreeBSD" : "Promise"); 3131 goto promise_out; 3132 } 3133 3134 /* check the signature */ 3135 if (native) { 3136 if (strncmp(meta->promise_id, ATA_MAGIC, strlen(ATA_MAGIC))) { 3137 if (testing || bootverbose) 3138 device_printf(parent, "FreeBSD check1 failed\n"); 3139 goto promise_out; 3140 } 3141 } 3142 else { 3143 if (strncmp(meta->promise_id, PR_MAGIC, strlen(PR_MAGIC))) { 3144 if (testing || bootverbose) 3145 device_printf(parent, "Promise check1 failed\n"); 3146 goto promise_out; 3147 } 3148 } 3149 3150 /* check if the checksum is OK */ 3151 for (checksum = 0, ptr = (u_int32_t *)meta, count = 0; count < 511; count++) 3152 checksum += *ptr++; 3153 if (checksum != *ptr) { 3154 if (testing || bootverbose) 3155 device_printf(parent, "%s check2 failed\n", 3156 native ? "FreeBSD" : "Promise"); 3157 goto promise_out; 3158 } 3159 3160 /* check on disk integrity status */ 3161 if (meta->raid.integrity != PR_I_VALID) { 3162 if (testing || bootverbose) 3163 device_printf(parent, "%s check3 failed\n", 3164 native ? "FreeBSD" : "Promise"); 3165 goto promise_out; 3166 } 3167 3168 if (testing || bootverbose) 3169 ata_raid_promise_print_meta(meta); 3170 3171 /* now convert Promise metadata into our generic form */ 3172 for (array = 0; array < MAX_ARRAYS; array++) { 3173 if (!raidp[array]) { 3174 raidp[array] = 3175 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3176 M_WAITOK | M_ZERO); 3177 } 3178 raid = raidp[array]; 3179 if (raid->format && 3180 (raid->format != (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID))) 3181 continue; 3182 3183 if ((raid->format == (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID))&& 3184 !(meta->raid.magic_1 == (raid->magic_1))) 3185 continue; 3186 3187 /* update our knowledge about the array config based on generation */ 3188 if (!meta->raid.generation || meta->raid.generation > raid->generation){ 3189 switch (meta->raid.type) { 3190 case PR_T_SPAN: 3191 raid->type = AR_T_SPAN; 3192 break; 3193 3194 case PR_T_JBOD: 3195 raid->type = AR_T_JBOD; 3196 break; 3197 3198 case PR_T_RAID0: 3199 raid->type = AR_T_RAID0; 3200 break; 3201 3202 case PR_T_RAID1: 3203 raid->type = AR_T_RAID1; 3204 if (meta->raid.array_width > 1) 3205 raid->type = AR_T_RAID01; 3206 break; 3207 3208 case PR_T_RAID5: 3209 raid->type = AR_T_RAID5; 3210 break; 3211 3212 default: 3213 device_printf(parent, "%s unknown RAID type 0x%02x\n", 3214 native ? "FreeBSD" : "Promise", meta->raid.type); 3215 kfree(raidp[array], M_AR); 3216 raidp[array] = NULL; 3217 goto promise_out; 3218 } 3219 raid->magic_1 = meta->raid.magic_1; 3220 raid->format = (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID); 3221 raid->generation = meta->raid.generation; 3222 raid->interleave = 1 << meta->raid.stripe_shift; 3223 raid->width = meta->raid.array_width; 3224 raid->total_disks = meta->raid.total_disks; 3225 raid->heads = meta->raid.heads + 1; 3226 raid->sectors = meta->raid.sectors; 3227 raid->cylinders = meta->raid.cylinders + 1; 3228 raid->total_sectors = meta->raid.total_sectors; 3229 raid->offset_sectors = 0; 3230 raid->rebuild_lba = meta->raid.rebuild_lba; 3231 raid->lun = array; 3232 if ((meta->raid.status & 3233 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY)) == 3234 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY)) { 3235 raid->status |= AR_S_READY; 3236 if (meta->raid.status & PR_S_DEGRADED) 3237 raid->status |= AR_S_DEGRADED; 3238 } 3239 else 3240 raid->status &= ~AR_S_READY; 3241 3242 /* convert disk flags to our internal types */ 3243 for (disk = 0; disk < meta->raid.total_disks; disk++) { 3244 raid->disks[disk].dev = NULL; 3245 raid->disks[disk].flags = 0; 3246 *((u_int64_t *)(raid->disks[disk].serial)) = 3247 meta->raid.disk[disk].magic_0; 3248 disksum += meta->raid.disk[disk].flags; 3249 if (meta->raid.disk[disk].flags & PR_F_ONLINE) 3250 raid->disks[disk].flags |= AR_DF_ONLINE; 3251 if (meta->raid.disk[disk].flags & PR_F_ASSIGNED) 3252 raid->disks[disk].flags |= AR_DF_ASSIGNED; 3253 if (meta->raid.disk[disk].flags & PR_F_SPARE) { 3254 raid->disks[disk].flags &= ~(AR_DF_ONLINE | AR_DF_ASSIGNED); 3255 raid->disks[disk].flags |= AR_DF_SPARE; 3256 } 3257 if (meta->raid.disk[disk].flags & (PR_F_REDIR | PR_F_DOWN)) 3258 raid->disks[disk].flags &= ~AR_DF_ONLINE; 3259 } 3260 if (!disksum) { 3261 device_printf(parent, "%s subdisks has no flags\n", 3262 native ? "FreeBSD" : "Promise"); 3263 kfree(raidp[array], M_AR); 3264 raidp[array] = NULL; 3265 goto promise_out; 3266 } 3267 } 3268 if (meta->raid.generation >= raid->generation) { 3269 int disk_number = meta->raid.disk_number; 3270 3271 if (raid->disks[disk_number].flags && (meta->magic_0 == 3272 *((u_int64_t *)(raid->disks[disk_number].serial)))) { 3273 raid->disks[disk_number].dev = parent; 3274 raid->disks[disk_number].flags |= AR_DF_PRESENT; 3275 raid->disks[disk_number].sectors = meta->raid.disk_sectors; 3276 if ((raid->disks[disk_number].flags & 3277 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE)) == 3278 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE)) { 3279 ars->raid[raid->volume] = raid; 3280 ars->disk_number[raid->volume] = disk_number; 3281 retval = 1; 3282 } 3283 } 3284 } 3285 break; 3286 } 3287 3288 promise_out: 3289 kfree(meta, M_AR); 3290 return retval; 3291 } 3292 3293 static int 3294 ata_raid_promise_write_meta(struct ar_softc *rdp) 3295 { 3296 struct promise_raid_conf *meta; 3297 struct timeval timestamp; 3298 u_int32_t *ckptr; 3299 int count, disk, drive, error = 0; 3300 3301 meta = (struct promise_raid_conf *) 3302 kmalloc(sizeof(struct promise_raid_conf), M_AR, M_WAITOK); 3303 3304 rdp->generation++; 3305 microtime(×tamp); 3306 3307 for (disk = 0; disk < rdp->total_disks; disk++) { 3308 for (count = 0; count < sizeof(struct promise_raid_conf); count++) 3309 *(((u_int8_t *)meta) + count) = 255 - (count % 256); 3310 meta->dummy_0 = 0x00020000; 3311 meta->raid.disk_number = disk; 3312 3313 if (rdp->disks[disk].dev) { 3314 struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev); 3315 struct ata_channel *ch = 3316 device_get_softc(device_get_parent(rdp->disks[disk].dev)); 3317 3318 meta->raid.channel = ch->unit; 3319 meta->raid.device = ATA_DEV(atadev->unit); 3320 meta->raid.disk_sectors = rdp->disks[disk].sectors; 3321 meta->raid.disk_offset = rdp->offset_sectors; 3322 } 3323 else { 3324 meta->raid.channel = 0; 3325 meta->raid.device = 0; 3326 meta->raid.disk_sectors = 0; 3327 meta->raid.disk_offset = 0; 3328 } 3329 meta->magic_0 = PR_MAGIC0(meta->raid) | timestamp.tv_sec; 3330 meta->magic_1 = timestamp.tv_sec >> 16; 3331 meta->magic_2 = timestamp.tv_sec; 3332 meta->raid.integrity = PR_I_VALID; 3333 meta->raid.magic_0 = meta->magic_0; 3334 meta->raid.rebuild_lba = rdp->rebuild_lba; 3335 meta->raid.generation = rdp->generation; 3336 3337 if (rdp->status & AR_S_READY) { 3338 meta->raid.flags = (PR_F_VALID | PR_F_ASSIGNED | PR_F_ONLINE); 3339 meta->raid.status = 3340 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY); 3341 if (rdp->status & AR_S_DEGRADED) 3342 meta->raid.status |= PR_S_DEGRADED; 3343 else 3344 meta->raid.status |= PR_S_FUNCTIONAL; 3345 } 3346 else { 3347 meta->raid.flags = PR_F_DOWN; 3348 meta->raid.status = 0; 3349 } 3350 3351 switch (rdp->type) { 3352 case AR_T_RAID0: 3353 meta->raid.type = PR_T_RAID0; 3354 break; 3355 case AR_T_RAID1: 3356 meta->raid.type = PR_T_RAID1; 3357 break; 3358 case AR_T_RAID01: 3359 meta->raid.type = PR_T_RAID1; 3360 break; 3361 case AR_T_RAID5: 3362 meta->raid.type = PR_T_RAID5; 3363 break; 3364 case AR_T_SPAN: 3365 meta->raid.type = PR_T_SPAN; 3366 break; 3367 case AR_T_JBOD: 3368 meta->raid.type = PR_T_JBOD; 3369 break; 3370 default: 3371 kfree(meta, M_AR); 3372 return ENODEV; 3373 } 3374 3375 meta->raid.total_disks = rdp->total_disks; 3376 meta->raid.stripe_shift = ffs(rdp->interleave) - 1; 3377 meta->raid.array_width = rdp->width; 3378 meta->raid.array_number = rdp->lun; 3379 meta->raid.total_sectors = rdp->total_sectors; 3380 meta->raid.cylinders = rdp->cylinders - 1; 3381 meta->raid.heads = rdp->heads - 1; 3382 meta->raid.sectors = rdp->sectors; 3383 meta->raid.magic_1 = (u_int64_t)meta->magic_2<<16 | meta->magic_1; 3384 3385 bzero(&meta->raid.disk, 8 * 12); 3386 for (drive = 0; drive < rdp->total_disks; drive++) { 3387 meta->raid.disk[drive].flags = 0; 3388 if (rdp->disks[drive].flags & AR_DF_PRESENT) 3389 meta->raid.disk[drive].flags |= PR_F_VALID; 3390 if (rdp->disks[drive].flags & AR_DF_ASSIGNED) 3391 meta->raid.disk[drive].flags |= PR_F_ASSIGNED; 3392 if (rdp->disks[drive].flags & AR_DF_ONLINE) 3393 meta->raid.disk[drive].flags |= PR_F_ONLINE; 3394 else 3395 if (rdp->disks[drive].flags & AR_DF_PRESENT) 3396 meta->raid.disk[drive].flags = (PR_F_REDIR | PR_F_DOWN); 3397 if (rdp->disks[drive].flags & AR_DF_SPARE) 3398 meta->raid.disk[drive].flags |= PR_F_SPARE; 3399 meta->raid.disk[drive].dummy_0 = 0x0; 3400 if (rdp->disks[drive].dev) { 3401 struct ata_channel *ch = 3402 device_get_softc(device_get_parent(rdp->disks[drive].dev)); 3403 struct ata_device *atadev = 3404 device_get_softc(rdp->disks[drive].dev); 3405 3406 meta->raid.disk[drive].channel = ch->unit; 3407 meta->raid.disk[drive].device = ATA_DEV(atadev->unit); 3408 } 3409 meta->raid.disk[drive].magic_0 = 3410 PR_MAGIC0(meta->raid.disk[drive]) | timestamp.tv_sec; 3411 } 3412 3413 if (rdp->disks[disk].dev) { 3414 if ((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) == 3415 (AR_DF_PRESENT | AR_DF_ONLINE)) { 3416 if (rdp->format == AR_F_FREEBSD_RAID) 3417 bcopy(ATA_MAGIC, meta->promise_id, sizeof(ATA_MAGIC)); 3418 else 3419 bcopy(PR_MAGIC, meta->promise_id, sizeof(PR_MAGIC)); 3420 } 3421 else 3422 bzero(meta->promise_id, sizeof(meta->promise_id)); 3423 meta->checksum = 0; 3424 for (ckptr = (int32_t *)meta, count = 0; count < 511; count++) 3425 meta->checksum += *ckptr++; 3426 if (testing || bootverbose) 3427 ata_raid_promise_print_meta(meta); 3428 if (ata_raid_rw(rdp->disks[disk].dev, 3429 PROMISE_LBA(rdp->disks[disk].dev), 3430 meta, sizeof(struct promise_raid_conf), 3431 ATA_R_WRITE | ATA_R_DIRECT)) { 3432 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 3433 error = EIO; 3434 } 3435 } 3436 } 3437 kfree(meta, M_AR); 3438 return error; 3439 } 3440 3441 /* Silicon Image Medley Metadata */ 3442 static int 3443 ata_raid_sii_read_meta(device_t dev, struct ar_softc **raidp) 3444 { 3445 struct ata_raid_subdisk *ars = device_get_softc(dev); 3446 device_t parent = device_get_parent(dev); 3447 struct sii_raid_conf *meta; 3448 struct ar_softc *raid = NULL; 3449 u_int16_t checksum, *ptr; 3450 int array, count, disk, retval = 0; 3451 3452 meta = (struct sii_raid_conf *)kmalloc(sizeof(struct sii_raid_conf), M_AR, 3453 M_WAITOK | M_ZERO); 3454 3455 if (ata_raid_rw(parent, SII_LBA(parent), 3456 meta, sizeof(struct sii_raid_conf), ATA_R_READ)) { 3457 if (testing || bootverbose) 3458 device_printf(parent, "Silicon Image read metadata failed\n"); 3459 goto sii_out; 3460 } 3461 3462 /* check if this is a Silicon Image (Medley) RAID struct */ 3463 for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 160; count++) 3464 checksum += *ptr++; 3465 if (checksum) { 3466 if (testing || bootverbose) 3467 device_printf(parent, "Silicon Image check1 failed\n"); 3468 goto sii_out; 3469 } 3470 3471 for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 256; count++) 3472 checksum += *ptr++; 3473 if (checksum != meta->checksum_1) { 3474 if (testing || bootverbose) 3475 device_printf(parent, "Silicon Image check2 failed\n"); 3476 goto sii_out; 3477 } 3478 3479 /* check verison */ 3480 if (meta->version_major != 0x0002 || 3481 (meta->version_minor != 0x0000 && meta->version_minor != 0x0001)) { 3482 if (testing || bootverbose) 3483 device_printf(parent, "Silicon Image check3 failed\n"); 3484 goto sii_out; 3485 } 3486 3487 if (testing || bootverbose) 3488 ata_raid_sii_print_meta(meta); 3489 3490 /* now convert Silicon Image meta into our generic form */ 3491 for (array = 0; array < MAX_ARRAYS; array++) { 3492 if (!raidp[array]) { 3493 raidp[array] = 3494 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3495 M_WAITOK | M_ZERO); 3496 } 3497 raid = raidp[array]; 3498 if (raid->format && (raid->format != AR_F_SII_RAID)) 3499 continue; 3500 3501 if (raid->format == AR_F_SII_RAID && 3502 (raid->magic_0 != *((u_int64_t *)meta->timestamp))) { 3503 continue; 3504 } 3505 3506 /* update our knowledge about the array config based on generation */ 3507 if (!meta->generation || meta->generation > raid->generation) { 3508 switch (meta->type) { 3509 case SII_T_RAID0: 3510 raid->type = AR_T_RAID0; 3511 break; 3512 3513 case SII_T_RAID1: 3514 raid->type = AR_T_RAID1; 3515 break; 3516 3517 case SII_T_RAID01: 3518 raid->type = AR_T_RAID01; 3519 break; 3520 3521 case SII_T_SPARE: 3522 device_printf(parent, "Silicon Image SPARE disk\n"); 3523 kfree(raidp[array], M_AR); 3524 raidp[array] = NULL; 3525 goto sii_out; 3526 3527 default: 3528 device_printf(parent,"Silicon Image unknown RAID type 0x%02x\n", 3529 meta->type); 3530 kfree(raidp[array], M_AR); 3531 raidp[array] = NULL; 3532 goto sii_out; 3533 } 3534 raid->magic_0 = *((u_int64_t *)meta->timestamp); 3535 raid->format = AR_F_SII_RAID; 3536 raid->generation = meta->generation; 3537 raid->interleave = meta->stripe_sectors; 3538 raid->width = (meta->raid0_disks != 0xff) ? meta->raid0_disks : 1; 3539 raid->total_disks = 3540 ((meta->raid0_disks != 0xff) ? meta->raid0_disks : 0) + 3541 ((meta->raid1_disks != 0xff) ? meta->raid1_disks : 0); 3542 raid->total_sectors = meta->total_sectors; 3543 raid->heads = 255; 3544 raid->sectors = 63; 3545 raid->cylinders = raid->total_sectors / (63 * 255); 3546 raid->offset_sectors = 0; 3547 raid->rebuild_lba = meta->rebuild_lba; 3548 raid->lun = array; 3549 strncpy(raid->name, meta->name, 3550 min(sizeof(raid->name), sizeof(meta->name))); 3551 3552 /* clear out any old info */ 3553 if (raid->generation) { 3554 for (disk = 0; disk < raid->total_disks; disk++) { 3555 raid->disks[disk].dev = NULL; 3556 raid->disks[disk].flags = 0; 3557 } 3558 } 3559 } 3560 if (meta->generation >= raid->generation) { 3561 /* XXX SOS add check for the right physical disk by serial# */ 3562 if (meta->status & SII_S_READY) { 3563 int disk_number = (raid->type == AR_T_RAID01) ? 3564 meta->raid1_ident + (meta->raid0_ident << 1) : 3565 meta->disk_number; 3566 3567 raid->disks[disk_number].dev = parent; 3568 raid->disks[disk_number].sectors = 3569 raid->total_sectors / raid->width; 3570 raid->disks[disk_number].flags = 3571 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 3572 ars->raid[raid->volume] = raid; 3573 ars->disk_number[raid->volume] = disk_number; 3574 retval = 1; 3575 } 3576 } 3577 break; 3578 } 3579 3580 sii_out: 3581 kfree(meta, M_AR); 3582 return retval; 3583 } 3584 3585 /* Silicon Integrated Systems Metadata */ 3586 static int 3587 ata_raid_sis_read_meta(device_t dev, struct ar_softc **raidp) 3588 { 3589 struct ata_raid_subdisk *ars = device_get_softc(dev); 3590 device_t parent = device_get_parent(dev); 3591 struct sis_raid_conf *meta; 3592 struct ar_softc *raid = NULL; 3593 int array, disk_number, drive, retval = 0; 3594 3595 meta = (struct sis_raid_conf *)kmalloc(sizeof(struct sis_raid_conf), M_AR, 3596 M_WAITOK | M_ZERO); 3597 3598 if (ata_raid_rw(parent, SIS_LBA(parent), 3599 meta, sizeof(struct sis_raid_conf), ATA_R_READ)) { 3600 if (testing || bootverbose) 3601 device_printf(parent, 3602 "Silicon Integrated Systems read metadata failed\n"); 3603 } 3604 3605 /* check for SiS magic */ 3606 if (meta->magic != SIS_MAGIC) { 3607 if (testing || bootverbose) 3608 device_printf(parent, 3609 "Silicon Integrated Systems check1 failed\n"); 3610 goto sis_out; 3611 } 3612 3613 if (testing || bootverbose) 3614 ata_raid_sis_print_meta(meta); 3615 3616 /* now convert SiS meta into our generic form */ 3617 for (array = 0; array < MAX_ARRAYS; array++) { 3618 if (!raidp[array]) { 3619 raidp[array] = 3620 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3621 M_WAITOK | M_ZERO); 3622 } 3623 3624 raid = raidp[array]; 3625 if (raid->format && (raid->format != AR_F_SIS_RAID)) 3626 continue; 3627 3628 if ((raid->format == AR_F_SIS_RAID) && 3629 ((raid->magic_0 != meta->controller_pci_id) || 3630 (raid->magic_1 != meta->timestamp))) { 3631 continue; 3632 } 3633 3634 switch (meta->type_total_disks & SIS_T_MASK) { 3635 case SIS_T_JBOD: 3636 raid->type = AR_T_JBOD; 3637 raid->width = (meta->type_total_disks & SIS_D_MASK); 3638 raid->total_sectors += SIS_LBA(parent); 3639 break; 3640 3641 case SIS_T_RAID0: 3642 raid->type = AR_T_RAID0; 3643 raid->width = (meta->type_total_disks & SIS_D_MASK); 3644 if (!raid->total_sectors || 3645 (raid->total_sectors > (raid->width * SIS_LBA(parent)))) 3646 raid->total_sectors = raid->width * SIS_LBA(parent); 3647 break; 3648 3649 case SIS_T_RAID1: 3650 raid->type = AR_T_RAID1; 3651 raid->width = 1; 3652 if (!raid->total_sectors || (raid->total_sectors > SIS_LBA(parent))) 3653 raid->total_sectors = SIS_LBA(parent); 3654 break; 3655 3656 default: 3657 device_printf(parent, "Silicon Integrated Systems " 3658 "unknown RAID type 0x%08x\n", meta->magic); 3659 kfree(raidp[array], M_AR); 3660 raidp[array] = NULL; 3661 goto sis_out; 3662 } 3663 raid->magic_0 = meta->controller_pci_id; 3664 raid->magic_1 = meta->timestamp; 3665 raid->format = AR_F_SIS_RAID; 3666 raid->generation = 0; 3667 raid->interleave = meta->stripe_sectors; 3668 raid->total_disks = (meta->type_total_disks & SIS_D_MASK); 3669 raid->heads = 255; 3670 raid->sectors = 63; 3671 raid->cylinders = raid->total_sectors / (63 * 255); 3672 raid->offset_sectors = 0; 3673 raid->rebuild_lba = 0; 3674 raid->lun = array; 3675 /* XXX SOS if total_disks > 2 this doesn't float */ 3676 if (((meta->disks & SIS_D_MASTER) >> 4) == meta->disk_number) 3677 disk_number = 0; 3678 else 3679 disk_number = 1; 3680 3681 for (drive = 0; drive < raid->total_disks; drive++) { 3682 raid->disks[drive].sectors = raid->total_sectors/raid->width; 3683 if (drive == disk_number) { 3684 raid->disks[disk_number].dev = parent; 3685 raid->disks[disk_number].flags = 3686 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 3687 ars->raid[raid->volume] = raid; 3688 ars->disk_number[raid->volume] = disk_number; 3689 } 3690 } 3691 retval = 1; 3692 break; 3693 } 3694 3695 sis_out: 3696 kfree(meta, M_AR); 3697 return retval; 3698 } 3699 3700 static int 3701 ata_raid_sis_write_meta(struct ar_softc *rdp) 3702 { 3703 struct sis_raid_conf *meta; 3704 struct timeval timestamp; 3705 int disk, error = 0; 3706 3707 meta = (struct sis_raid_conf *)kmalloc(sizeof(struct sis_raid_conf), M_AR, 3708 M_WAITOK | M_ZERO); 3709 3710 rdp->generation++; 3711 microtime(×tamp); 3712 3713 meta->magic = SIS_MAGIC; 3714 /* XXX SOS if total_disks > 2 this doesn't float */ 3715 for (disk = 0; disk < rdp->total_disks; disk++) { 3716 if (rdp->disks[disk].dev) { 3717 struct ata_channel *ch = 3718 device_get_softc(device_get_parent(rdp->disks[disk].dev)); 3719 struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev); 3720 int disk_number = 1 + ATA_DEV(atadev->unit) + (ch->unit << 1); 3721 3722 meta->disks |= disk_number << ((1 - disk) << 2); 3723 } 3724 } 3725 switch (rdp->type) { 3726 case AR_T_JBOD: 3727 meta->type_total_disks = SIS_T_JBOD; 3728 break; 3729 3730 case AR_T_RAID0: 3731 meta->type_total_disks = SIS_T_RAID0; 3732 break; 3733 3734 case AR_T_RAID1: 3735 meta->type_total_disks = SIS_T_RAID1; 3736 break; 3737 3738 default: 3739 kfree(meta, M_AR); 3740 return ENODEV; 3741 } 3742 meta->type_total_disks |= (rdp->total_disks & SIS_D_MASK); 3743 meta->stripe_sectors = rdp->interleave; 3744 meta->timestamp = timestamp.tv_sec; 3745 3746 for (disk = 0; disk < rdp->total_disks; disk++) { 3747 if (rdp->disks[disk].dev) { 3748 struct ata_channel *ch = 3749 device_get_softc(device_get_parent(rdp->disks[disk].dev)); 3750 struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev); 3751 3752 meta->controller_pci_id = 3753 (pci_get_vendor(GRANDPARENT(rdp->disks[disk].dev)) << 16) | 3754 pci_get_device(GRANDPARENT(rdp->disks[disk].dev)); 3755 bcopy(atadev->param.model, meta->model, sizeof(meta->model)); 3756 3757 /* XXX SOS if total_disks > 2 this may not float */ 3758 meta->disk_number = 1 + ATA_DEV(atadev->unit) + (ch->unit << 1); 3759 3760 if (testing || bootverbose) 3761 ata_raid_sis_print_meta(meta); 3762 3763 if (ata_raid_rw(rdp->disks[disk].dev, 3764 SIS_LBA(rdp->disks[disk].dev), 3765 meta, sizeof(struct sis_raid_conf), 3766 ATA_R_WRITE | ATA_R_DIRECT)) { 3767 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 3768 error = EIO; 3769 } 3770 } 3771 } 3772 kfree(meta, M_AR); 3773 return error; 3774 } 3775 3776 /* VIA Tech V-RAID Metadata */ 3777 static int 3778 ata_raid_via_read_meta(device_t dev, struct ar_softc **raidp) 3779 { 3780 struct ata_raid_subdisk *ars = device_get_softc(dev); 3781 device_t parent = device_get_parent(dev); 3782 struct via_raid_conf *meta; 3783 struct ar_softc *raid = NULL; 3784 u_int8_t checksum, *ptr; 3785 int array, count, disk, retval = 0; 3786 3787 meta = (struct via_raid_conf *)kmalloc(sizeof(struct via_raid_conf), M_AR, 3788 M_WAITOK | M_ZERO); 3789 3790 if (ata_raid_rw(parent, VIA_LBA(parent), 3791 meta, sizeof(struct via_raid_conf), ATA_R_READ)) { 3792 if (testing || bootverbose) 3793 device_printf(parent, "VIA read metadata failed\n"); 3794 goto via_out; 3795 } 3796 3797 /* check if this is a VIA RAID struct */ 3798 if (meta->magic != VIA_MAGIC) { 3799 if (testing || bootverbose) 3800 device_printf(parent, "VIA check1 failed\n"); 3801 goto via_out; 3802 } 3803 3804 /* calculate checksum and compare for valid */ 3805 for (checksum = 0, ptr = (u_int8_t *)meta, count = 0; count < 50; count++) 3806 checksum += *ptr++; 3807 if (checksum != meta->checksum) { 3808 if (testing || bootverbose) 3809 device_printf(parent, "VIA check2 failed\n"); 3810 goto via_out; 3811 } 3812 3813 if (testing || bootverbose) 3814 ata_raid_via_print_meta(meta); 3815 3816 /* now convert VIA meta into our generic form */ 3817 for (array = 0; array < MAX_ARRAYS; array++) { 3818 if (!raidp[array]) { 3819 raidp[array] = 3820 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3821 M_WAITOK | M_ZERO); 3822 } 3823 raid = raidp[array]; 3824 if (raid->format && (raid->format != AR_F_VIA_RAID)) 3825 continue; 3826 3827 if (raid->format == AR_F_VIA_RAID && (raid->magic_0 != meta->disks[0])) 3828 continue; 3829 3830 switch (meta->type & VIA_T_MASK) { 3831 case VIA_T_RAID0: 3832 raid->type = AR_T_RAID0; 3833 raid->width = meta->stripe_layout & VIA_L_DISKS; 3834 if (!raid->total_sectors || 3835 (raid->total_sectors > (raid->width * meta->disk_sectors))) 3836 raid->total_sectors = raid->width * meta->disk_sectors; 3837 break; 3838 3839 case VIA_T_RAID1: 3840 raid->type = AR_T_RAID1; 3841 raid->width = 1; 3842 raid->total_sectors = meta->disk_sectors; 3843 break; 3844 3845 case VIA_T_RAID01: 3846 raid->type = AR_T_RAID01; 3847 raid->width = meta->stripe_layout & VIA_L_DISKS; 3848 if (!raid->total_sectors || 3849 (raid->total_sectors > (raid->width * meta->disk_sectors))) 3850 raid->total_sectors = raid->width * meta->disk_sectors; 3851 break; 3852 3853 case VIA_T_RAID5: 3854 raid->type = AR_T_RAID5; 3855 raid->width = meta->stripe_layout & VIA_L_DISKS; 3856 if (!raid->total_sectors || 3857 (raid->total_sectors > ((raid->width - 1)*meta->disk_sectors))) 3858 raid->total_sectors = (raid->width - 1) * meta->disk_sectors; 3859 break; 3860 3861 case VIA_T_SPAN: 3862 raid->type = AR_T_SPAN; 3863 raid->width = 1; 3864 raid->total_sectors += meta->disk_sectors; 3865 break; 3866 3867 default: 3868 device_printf(parent,"VIA unknown RAID type 0x%02x\n", meta->type); 3869 kfree(raidp[array], M_AR); 3870 raidp[array] = NULL; 3871 goto via_out; 3872 } 3873 raid->magic_0 = meta->disks[0]; 3874 raid->format = AR_F_VIA_RAID; 3875 raid->generation = 0; 3876 raid->interleave = 3877 0x08 << ((meta->stripe_layout & VIA_L_MASK) >> VIA_L_SHIFT); 3878 for (count = 0, disk = 0; disk < 8; disk++) 3879 if (meta->disks[disk]) 3880 count++; 3881 raid->total_disks = count; 3882 raid->heads = 255; 3883 raid->sectors = 63; 3884 raid->cylinders = raid->total_sectors / (63 * 255); 3885 raid->offset_sectors = 0; 3886 raid->rebuild_lba = 0; 3887 raid->lun = array; 3888 3889 for (disk = 0; disk < raid->total_disks; disk++) { 3890 if (meta->disks[disk] == meta->disk_id) { 3891 raid->disks[disk].dev = parent; 3892 bcopy(&meta->disk_id, raid->disks[disk].serial, 3893 sizeof(u_int32_t)); 3894 raid->disks[disk].sectors = meta->disk_sectors; 3895 raid->disks[disk].flags = 3896 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 3897 ars->raid[raid->volume] = raid; 3898 ars->disk_number[raid->volume] = disk; 3899 retval = 1; 3900 break; 3901 } 3902 } 3903 break; 3904 } 3905 3906 via_out: 3907 kfree(meta, M_AR); 3908 return retval; 3909 } 3910 3911 static int 3912 ata_raid_via_write_meta(struct ar_softc *rdp) 3913 { 3914 struct via_raid_conf *meta; 3915 int disk, error = 0; 3916 3917 meta = (struct via_raid_conf *)kmalloc(sizeof(struct via_raid_conf), M_AR, 3918 M_WAITOK | M_ZERO); 3919 3920 rdp->generation++; 3921 3922 meta->magic = VIA_MAGIC; 3923 meta->dummy_0 = 0x02; 3924 switch (rdp->type) { 3925 case AR_T_SPAN: 3926 meta->type = VIA_T_SPAN; 3927 meta->stripe_layout = (rdp->total_disks & VIA_L_DISKS); 3928 break; 3929 3930 case AR_T_RAID0: 3931 meta->type = VIA_T_RAID0; 3932 meta->stripe_layout = ((rdp->interleave >> 1) & VIA_L_MASK); 3933 meta->stripe_layout |= (rdp->total_disks & VIA_L_DISKS); 3934 break; 3935 3936 case AR_T_RAID1: 3937 meta->type = VIA_T_RAID1; 3938 meta->stripe_layout = (rdp->total_disks & VIA_L_DISKS); 3939 break; 3940 3941 case AR_T_RAID5: 3942 meta->type = VIA_T_RAID5; 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_RAID01: 3948 meta->type = VIA_T_RAID01; 3949 meta->stripe_layout = ((rdp->interleave >> 1) & VIA_L_MASK); 3950 meta->stripe_layout |= (rdp->width & VIA_L_DISKS); 3951 break; 3952 3953 default: 3954 kfree(meta, M_AR); 3955 return ENODEV; 3956 } 3957 meta->type |= VIA_T_BOOTABLE; /* XXX SOS */ 3958 meta->disk_sectors = 3959 rdp->total_sectors / (rdp->width - (rdp->type == AR_RAID5)); 3960 for (disk = 0; disk < rdp->total_disks; disk++) 3961 meta->disks[disk] = (u_int32_t)(uintptr_t)rdp->disks[disk].dev; 3962 3963 for (disk = 0; disk < rdp->total_disks; disk++) { 3964 if (rdp->disks[disk].dev) { 3965 u_int8_t *ptr; 3966 int count; 3967 3968 meta->disk_index = disk * sizeof(u_int32_t); 3969 if (rdp->type == AR_T_RAID01) 3970 meta->disk_index = ((meta->disk_index & 0x08) << 2) | 3971 (meta->disk_index & ~0x08); 3972 meta->disk_id = meta->disks[disk]; 3973 meta->checksum = 0; 3974 for (ptr = (u_int8_t *)meta, count = 0; count < 50; count++) 3975 meta->checksum += *ptr++; 3976 3977 if (testing || bootverbose) 3978 ata_raid_via_print_meta(meta); 3979 3980 if (ata_raid_rw(rdp->disks[disk].dev, 3981 VIA_LBA(rdp->disks[disk].dev), 3982 meta, sizeof(struct via_raid_conf), 3983 ATA_R_WRITE | ATA_R_DIRECT)) { 3984 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 3985 error = EIO; 3986 } 3987 } 3988 } 3989 kfree(meta, M_AR); 3990 return error; 3991 } 3992 3993 static struct ata_request * 3994 ata_raid_init_request(struct ar_softc *rdp, struct bio *bio) 3995 { 3996 struct ata_request *request; 3997 3998 if (!(request = ata_alloc_request())) { 3999 kprintf("FAILURE - out of memory in ata_raid_init_request\n"); 4000 return NULL; 4001 } 4002 request->timeout = ATA_DEFAULT_TIMEOUT; 4003 request->retries = 2; 4004 request->callback = ata_raid_done; 4005 request->driver = rdp; 4006 request->bio = bio; 4007 switch (request->bio->bio_buf->b_cmd) { 4008 case BUF_CMD_READ: 4009 request->flags = ATA_R_READ; 4010 break; 4011 case BUF_CMD_WRITE: 4012 request->flags = ATA_R_WRITE; 4013 break; 4014 case BUF_CMD_FLUSH: 4015 request->flags = ATA_R_CONTROL; 4016 break; 4017 default: 4018 kprintf("ar%d: FAILURE - unknown BUF operation\n", rdp->lun); 4019 ata_free_request(request); 4020 #if 0 4021 bio->bio_buf->b_flags |= B_ERROR; 4022 bio->bio_buf->b_error = EIO; 4023 biodone(bio); 4024 #endif /* 0 */ 4025 return(NULL); 4026 } 4027 return request; 4028 } 4029 4030 static int 4031 ata_raid_send_request(struct ata_request *request) 4032 { 4033 struct ata_device *atadev = device_get_softc(request->dev); 4034 4035 request->transfersize = min(request->bytecount, atadev->max_iosize); 4036 if (request->flags & ATA_R_READ) { 4037 if (atadev->mode >= ATA_DMA) { 4038 request->flags |= ATA_R_DMA; 4039 request->u.ata.command = ATA_READ_DMA; 4040 } 4041 else if (atadev->max_iosize > DEV_BSIZE) 4042 request->u.ata.command = ATA_READ_MUL; 4043 else 4044 request->u.ata.command = ATA_READ; 4045 } 4046 else if (request->flags & ATA_R_WRITE) { 4047 if (atadev->mode >= ATA_DMA) { 4048 request->flags |= ATA_R_DMA; 4049 request->u.ata.command = ATA_WRITE_DMA; 4050 } 4051 else if (atadev->max_iosize > DEV_BSIZE) 4052 request->u.ata.command = ATA_WRITE_MUL; 4053 else 4054 request->u.ata.command = ATA_WRITE; 4055 } 4056 else { 4057 device_printf(request->dev, "FAILURE - unknown IO operation\n"); 4058 ata_free_request(request); 4059 return EIO; 4060 } 4061 request->flags |= (ATA_R_ORDERED | ATA_R_THREAD); 4062 ata_queue_request(request); 4063 return 0; 4064 } 4065 4066 static int 4067 ata_raid_rw(device_t dev, u_int64_t lba, void *data, u_int bcount, int flags) 4068 { 4069 struct ata_device *atadev = device_get_softc(dev); 4070 struct ata_request *request; 4071 int error; 4072 4073 if (bcount % DEV_BSIZE) { 4074 device_printf(dev, "FAILURE - transfers must be modulo sectorsize\n"); 4075 return ENOMEM; 4076 } 4077 4078 if (!(request = ata_alloc_request())) { 4079 device_printf(dev, "FAILURE - out of memory in ata_raid_rw\n"); 4080 return ENOMEM; 4081 } 4082 4083 /* setup request */ 4084 request->dev = dev; 4085 request->timeout = 10; 4086 request->retries = 0; 4087 request->data = data; 4088 request->bytecount = bcount; 4089 request->transfersize = DEV_BSIZE; 4090 request->u.ata.lba = lba; 4091 request->u.ata.count = request->bytecount / DEV_BSIZE; 4092 request->flags = flags; 4093 4094 if (flags & ATA_R_READ) { 4095 if (atadev->mode >= ATA_DMA) { 4096 request->u.ata.command = ATA_READ_DMA; 4097 request->flags |= ATA_R_DMA; 4098 } 4099 else 4100 request->u.ata.command = ATA_READ; 4101 ata_queue_request(request); 4102 } 4103 else if (flags & ATA_R_WRITE) { 4104 if (atadev->mode >= ATA_DMA) { 4105 request->u.ata.command = ATA_WRITE_DMA; 4106 request->flags |= ATA_R_DMA; 4107 } 4108 else 4109 request->u.ata.command = ATA_WRITE; 4110 ata_queue_request(request); 4111 } 4112 else { 4113 device_printf(dev, "FAILURE - unknown IO operation\n"); 4114 request->result = EIO; 4115 } 4116 error = request->result; 4117 ata_free_request(request); 4118 return error; 4119 } 4120 4121 /* 4122 * module handeling 4123 */ 4124 static int 4125 ata_raid_subdisk_probe(device_t dev) 4126 { 4127 device_quiet(dev); 4128 return 0; 4129 } 4130 4131 static int 4132 ata_raid_subdisk_attach(device_t dev) 4133 { 4134 struct ata_raid_subdisk *ars = device_get_softc(dev); 4135 int volume; 4136 4137 for (volume = 0; volume < MAX_VOLUMES; volume++) { 4138 ars->raid[volume] = NULL; 4139 ars->disk_number[volume] = -1; 4140 } 4141 ata_raid_read_metadata(dev); 4142 return 0; 4143 } 4144 4145 static int 4146 ata_raid_subdisk_detach(device_t dev) 4147 { 4148 struct ata_raid_subdisk *ars = device_get_softc(dev); 4149 int volume; 4150 4151 for (volume = 0; volume < MAX_VOLUMES; volume++) { 4152 if (ars->raid[volume]) { 4153 ars->raid[volume]->disks[ars->disk_number[volume]].flags &= 4154 ~(AR_DF_PRESENT | AR_DF_ONLINE); 4155 ars->raid[volume]->disks[ars->disk_number[volume]].dev = NULL; 4156 ata_raid_config_changed(ars->raid[volume], 1); 4157 ars->raid[volume] = NULL; 4158 ars->disk_number[volume] = -1; 4159 } 4160 } 4161 return 0; 4162 } 4163 4164 static device_method_t ata_raid_sub_methods[] = { 4165 /* device interface */ 4166 DEVMETHOD(device_probe, ata_raid_subdisk_probe), 4167 DEVMETHOD(device_attach, ata_raid_subdisk_attach), 4168 DEVMETHOD(device_detach, ata_raid_subdisk_detach), 4169 DEVMETHOD_END 4170 }; 4171 4172 static driver_t ata_raid_sub_driver = { 4173 "subdisk", 4174 ata_raid_sub_methods, 4175 sizeof(struct ata_raid_subdisk) 4176 }; 4177 4178 DRIVER_MODULE(subdisk, ad, ata_raid_sub_driver, ata_raid_sub_devclass, NULL, NULL); 4179 4180 static int 4181 ata_raid_module_event_handler(module_t mod, int what, void *arg) 4182 { 4183 int i; 4184 4185 switch (what) { 4186 case MOD_LOAD: 4187 if (testing || bootverbose) 4188 kprintf("ATA PseudoRAID loaded\n"); 4189 #if 0 4190 /* setup table to hold metadata for all ATA PseudoRAID arrays */ 4191 ata_raid_arrays = kmalloc(sizeof(struct ar_soft *) * MAX_ARRAYS, 4192 M_AR, M_WAITOK | M_ZERO); 4193 #endif 4194 /* attach found PseudoRAID arrays */ 4195 for (i = 0; i < MAX_ARRAYS; i++) { 4196 struct ar_softc *rdp = ata_raid_arrays[i]; 4197 4198 if (!rdp || !rdp->format) 4199 continue; 4200 if (testing || bootverbose) 4201 ata_raid_print_meta(rdp); 4202 ata_raid_attach(rdp, 0); 4203 } 4204 ata_raid_ioctl_func = ata_raid_ioctl; 4205 return 0; 4206 4207 case MOD_UNLOAD: 4208 /* detach found PseudoRAID arrays */ 4209 for (i = 0; i < MAX_ARRAYS; i++) { 4210 struct ar_softc *rdp = ata_raid_arrays[i]; 4211 4212 if (!rdp || !rdp->status) 4213 continue; 4214 disk_destroy(&rdp->disk); 4215 } 4216 if (testing || bootverbose) 4217 kprintf("ATA PseudoRAID unloaded\n"); 4218 #if 0 4219 kfree(ata_raid_arrays, M_AR); 4220 #endif 4221 ata_raid_ioctl_func = NULL; 4222 return 0; 4223 4224 default: 4225 return EOPNOTSUPP; 4226 } 4227 } 4228 4229 static moduledata_t ata_raid_moduledata = 4230 { "ataraid", ata_raid_module_event_handler, NULL }; 4231 DECLARE_MODULE(ata, ata_raid_moduledata, SI_SUB_RAID, SI_ORDER_FIRST); 4232 MODULE_VERSION(ataraid, 1); 4233 MODULE_DEPEND(ataraid, ata, 1, 1, 1); 4234 MODULE_DEPEND(ataraid, ad, 1, 1, 1); 4235 4236 static char * 4237 ata_raid_format(struct ar_softc *rdp) 4238 { 4239 switch (rdp->format) { 4240 case AR_F_FREEBSD_RAID: return "FreeBSD PseudoRAID"; 4241 case AR_F_ADAPTEC_RAID: return "Adaptec HostRAID"; 4242 case AR_F_HPTV2_RAID: return "HighPoint v2 RocketRAID"; 4243 case AR_F_HPTV3_RAID: return "HighPoint v3 RocketRAID"; 4244 case AR_F_INTEL_RAID: return "Intel MatrixRAID"; 4245 case AR_F_ITE_RAID: return "Integrated Technology Express"; 4246 case AR_F_JMICRON_RAID: return "JMicron Technology Corp"; 4247 case AR_F_LSIV2_RAID: return "LSILogic v2 MegaRAID"; 4248 case AR_F_LSIV3_RAID: return "LSILogic v3 MegaRAID"; 4249 case AR_F_NVIDIA_RAID: return "nVidia MediaShield"; 4250 case AR_F_PROMISE_RAID: return "Promise Fasttrak"; 4251 case AR_F_SII_RAID: return "Silicon Image Medley"; 4252 case AR_F_SIS_RAID: return "Silicon Integrated Systems"; 4253 case AR_F_VIA_RAID: return "VIA Tech V-RAID"; 4254 default: return "UNKNOWN"; 4255 } 4256 } 4257 4258 static char * 4259 ata_raid_type(struct ar_softc *rdp) 4260 { 4261 switch (rdp->type) { 4262 case AR_T_JBOD: return "JBOD"; 4263 case AR_T_SPAN: return "SPAN"; 4264 case AR_T_RAID0: return "RAID0"; 4265 case AR_T_RAID1: return "RAID1"; 4266 case AR_T_RAID3: return "RAID3"; 4267 case AR_T_RAID4: return "RAID4"; 4268 case AR_T_RAID5: return "RAID5"; 4269 case AR_T_RAID01: return "RAID0+1"; 4270 default: return "UNKNOWN"; 4271 } 4272 } 4273 4274 static char * 4275 ata_raid_flags(struct ar_softc *rdp) 4276 { 4277 switch (rdp->status & (AR_S_READY | AR_S_DEGRADED | AR_S_REBUILDING)) { 4278 case AR_S_READY: return "READY"; 4279 case AR_S_READY | AR_S_DEGRADED: return "DEGRADED"; 4280 case AR_S_READY | AR_S_REBUILDING: 4281 case AR_S_READY | AR_S_DEGRADED | AR_S_REBUILDING: return "REBUILDING"; 4282 default: return "BROKEN"; 4283 } 4284 } 4285 4286 /* debugging gunk */ 4287 static void 4288 ata_raid_print_meta(struct ar_softc *raid) 4289 { 4290 int i; 4291 4292 kprintf("********** ATA PseudoRAID ar%d Metadata **********\n", raid->lun); 4293 kprintf("=================================================\n"); 4294 kprintf("format %s\n", ata_raid_format(raid)); 4295 kprintf("type %s\n", ata_raid_type(raid)); 4296 kprintf("flags 0x%02x %b\n", raid->status, raid->status, 4297 "\20\3REBUILDING\2DEGRADED\1READY\n"); 4298 kprintf("magic_0 0x%016jx\n", raid->magic_0); 4299 kprintf("magic_1 0x%016jx\n",raid->magic_1); 4300 kprintf("generation %u\n", raid->generation); 4301 kprintf("total_sectors %ju\n", raid->total_sectors); 4302 kprintf("offset_sectors %ju\n", raid->offset_sectors); 4303 kprintf("heads %u\n", raid->heads); 4304 kprintf("sectors %u\n", raid->sectors); 4305 kprintf("cylinders %u\n", raid->cylinders); 4306 kprintf("width %u\n", raid->width); 4307 kprintf("interleave %u\n", raid->interleave); 4308 kprintf("total_disks %u\n", raid->total_disks); 4309 for (i = 0; i < raid->total_disks; i++) { 4310 kprintf(" disk %d: flags = 0x%02x %b\n", i, raid->disks[i].flags, 4311 raid->disks[i].flags, "\20\4ONLINE\3SPARE\2ASSIGNED\1PRESENT\n"); 4312 if (raid->disks[i].dev) { 4313 kprintf(" "); 4314 device_printf(raid->disks[i].dev, " sectors %jd\n", 4315 raid->disks[i].sectors); 4316 } 4317 } 4318 kprintf("=================================================\n"); 4319 } 4320 4321 static char * 4322 ata_raid_adaptec_type(int type) 4323 { 4324 static char buffer[16]; 4325 4326 switch (type) { 4327 case ADP_T_RAID0: return "RAID0"; 4328 case ADP_T_RAID1: return "RAID1"; 4329 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4330 return buffer; 4331 } 4332 } 4333 4334 static void 4335 ata_raid_adaptec_print_meta(struct adaptec_raid_conf *meta) 4336 { 4337 int i; 4338 4339 kprintf("********* ATA Adaptec HostRAID Metadata *********\n"); 4340 kprintf("magic_0 <0x%08x>\n", be32toh(meta->magic_0)); 4341 kprintf("generation 0x%08x\n", be32toh(meta->generation)); 4342 kprintf("dummy_0 0x%04x\n", be16toh(meta->dummy_0)); 4343 kprintf("total_configs %u\n", be16toh(meta->total_configs)); 4344 kprintf("dummy_1 0x%04x\n", be16toh(meta->dummy_1)); 4345 kprintf("checksum 0x%04x\n", be16toh(meta->checksum)); 4346 kprintf("dummy_2 0x%08x\n", be32toh(meta->dummy_2)); 4347 kprintf("dummy_3 0x%08x\n", be32toh(meta->dummy_3)); 4348 kprintf("flags 0x%08x\n", be32toh(meta->flags)); 4349 kprintf("timestamp 0x%08x\n", be32toh(meta->timestamp)); 4350 kprintf("dummy_4 0x%08x 0x%08x 0x%08x 0x%08x\n", 4351 be32toh(meta->dummy_4[0]), be32toh(meta->dummy_4[1]), 4352 be32toh(meta->dummy_4[2]), be32toh(meta->dummy_4[3])); 4353 kprintf("dummy_5 0x%08x 0x%08x 0x%08x 0x%08x\n", 4354 be32toh(meta->dummy_5[0]), be32toh(meta->dummy_5[1]), 4355 be32toh(meta->dummy_5[2]), be32toh(meta->dummy_5[3])); 4356 4357 for (i = 0; i < be16toh(meta->total_configs); i++) { 4358 kprintf(" %d total_disks %u\n", i, 4359 be16toh(meta->configs[i].disk_number)); 4360 kprintf(" %d generation %u\n", i, 4361 be16toh(meta->configs[i].generation)); 4362 kprintf(" %d magic_0 0x%08x\n", i, 4363 be32toh(meta->configs[i].magic_0)); 4364 kprintf(" %d dummy_0 0x%02x\n", i, meta->configs[i].dummy_0); 4365 kprintf(" %d type %s\n", i, 4366 ata_raid_adaptec_type(meta->configs[i].type)); 4367 kprintf(" %d dummy_1 0x%02x\n", i, meta->configs[i].dummy_1); 4368 kprintf(" %d flags %d\n", i, 4369 be32toh(meta->configs[i].flags)); 4370 kprintf(" %d dummy_2 0x%02x\n", i, meta->configs[i].dummy_2); 4371 kprintf(" %d dummy_3 0x%02x\n", i, meta->configs[i].dummy_3); 4372 kprintf(" %d dummy_4 0x%02x\n", i, meta->configs[i].dummy_4); 4373 kprintf(" %d dummy_5 0x%02x\n", i, meta->configs[i].dummy_5); 4374 kprintf(" %d disk_number %u\n", i, 4375 be32toh(meta->configs[i].disk_number)); 4376 kprintf(" %d dummy_6 0x%08x\n", i, 4377 be32toh(meta->configs[i].dummy_6)); 4378 kprintf(" %d sectors %u\n", i, 4379 be32toh(meta->configs[i].sectors)); 4380 kprintf(" %d stripe_shift %u\n", i, 4381 be16toh(meta->configs[i].stripe_shift)); 4382 kprintf(" %d dummy_7 0x%08x\n", i, 4383 be32toh(meta->configs[i].dummy_7)); 4384 kprintf(" %d dummy_8 0x%08x 0x%08x 0x%08x 0x%08x\n", i, 4385 be32toh(meta->configs[i].dummy_8[0]), 4386 be32toh(meta->configs[i].dummy_8[1]), 4387 be32toh(meta->configs[i].dummy_8[2]), 4388 be32toh(meta->configs[i].dummy_8[3])); 4389 kprintf(" %d name <%s>\n", i, meta->configs[i].name); 4390 } 4391 kprintf("magic_1 <0x%08x>\n", be32toh(meta->magic_1)); 4392 kprintf("magic_2 <0x%08x>\n", be32toh(meta->magic_2)); 4393 kprintf("magic_3 <0x%08x>\n", be32toh(meta->magic_3)); 4394 kprintf("magic_4 <0x%08x>\n", be32toh(meta->magic_4)); 4395 kprintf("=================================================\n"); 4396 } 4397 4398 static char * 4399 ata_raid_hptv2_type(int type) 4400 { 4401 static char buffer[16]; 4402 4403 switch (type) { 4404 case HPTV2_T_RAID0: return "RAID0"; 4405 case HPTV2_T_RAID1: return "RAID1"; 4406 case HPTV2_T_RAID01_RAID0: return "RAID01_RAID0"; 4407 case HPTV2_T_SPAN: return "SPAN"; 4408 case HPTV2_T_RAID_3: return "RAID3"; 4409 case HPTV2_T_RAID_5: return "RAID5"; 4410 case HPTV2_T_JBOD: return "JBOD"; 4411 case HPTV2_T_RAID01_RAID1: return "RAID01_RAID1"; 4412 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4413 return buffer; 4414 } 4415 } 4416 4417 static void 4418 ata_raid_hptv2_print_meta(struct hptv2_raid_conf *meta) 4419 { 4420 int i; 4421 4422 kprintf("****** ATA Highpoint V2 RocketRAID Metadata *****\n"); 4423 kprintf("magic 0x%08x\n", meta->magic); 4424 kprintf("magic_0 0x%08x\n", meta->magic_0); 4425 kprintf("magic_1 0x%08x\n", meta->magic_1); 4426 kprintf("order 0x%08x\n", meta->order); 4427 kprintf("array_width %u\n", meta->array_width); 4428 kprintf("stripe_shift %u\n", meta->stripe_shift); 4429 kprintf("type %s\n", ata_raid_hptv2_type(meta->type)); 4430 kprintf("disk_number %u\n", meta->disk_number); 4431 kprintf("total_sectors %u\n", meta->total_sectors); 4432 kprintf("disk_mode 0x%08x\n", meta->disk_mode); 4433 kprintf("boot_mode 0x%08x\n", meta->boot_mode); 4434 kprintf("boot_disk 0x%02x\n", meta->boot_disk); 4435 kprintf("boot_protect 0x%02x\n", meta->boot_protect); 4436 kprintf("log_entries 0x%02x\n", meta->error_log_entries); 4437 kprintf("log_index 0x%02x\n", meta->error_log_index); 4438 if (meta->error_log_entries) { 4439 kprintf(" timestamp reason disk status sectors lba\n"); 4440 for (i = meta->error_log_index; 4441 i < meta->error_log_index + meta->error_log_entries; i++) 4442 kprintf(" 0x%08x 0x%02x 0x%02x 0x%02x 0x%02x 0x%08x\n", 4443 meta->errorlog[i%32].timestamp, 4444 meta->errorlog[i%32].reason, 4445 meta->errorlog[i%32].disk, meta->errorlog[i%32].status, 4446 meta->errorlog[i%32].sectors, meta->errorlog[i%32].lba); 4447 } 4448 kprintf("rebuild_lba 0x%08x\n", meta->rebuild_lba); 4449 kprintf("dummy_1 0x%02x\n", meta->dummy_1); 4450 kprintf("name_1 <%.15s>\n", meta->name_1); 4451 kprintf("dummy_2 0x%02x\n", meta->dummy_2); 4452 kprintf("name_2 <%.15s>\n", meta->name_2); 4453 kprintf("=================================================\n"); 4454 } 4455 4456 static char * 4457 ata_raid_hptv3_type(int type) 4458 { 4459 static char buffer[16]; 4460 4461 switch (type) { 4462 case HPTV3_T_SPARE: return "SPARE"; 4463 case HPTV3_T_JBOD: return "JBOD"; 4464 case HPTV3_T_SPAN: return "SPAN"; 4465 case HPTV3_T_RAID0: return "RAID0"; 4466 case HPTV3_T_RAID1: return "RAID1"; 4467 case HPTV3_T_RAID3: return "RAID3"; 4468 case HPTV3_T_RAID5: return "RAID5"; 4469 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4470 return buffer; 4471 } 4472 } 4473 4474 static void 4475 ata_raid_hptv3_print_meta(struct hptv3_raid_conf *meta) 4476 { 4477 int i; 4478 4479 kprintf("****** ATA Highpoint V3 RocketRAID Metadata *****\n"); 4480 kprintf("magic 0x%08x\n", meta->magic); 4481 kprintf("magic_0 0x%08x\n", meta->magic_0); 4482 kprintf("checksum_0 0x%02x\n", meta->checksum_0); 4483 kprintf("mode 0x%02x\n", meta->mode); 4484 kprintf("user_mode 0x%02x\n", meta->user_mode); 4485 kprintf("config_entries 0x%02x\n", meta->config_entries); 4486 for (i = 0; i < meta->config_entries; i++) { 4487 kprintf("config %d:\n", i); 4488 kprintf(" total_sectors %ju\n", 4489 meta->configs[0].total_sectors + 4490 ((u_int64_t)meta->configs_high[0].total_sectors << 32)); 4491 kprintf(" type %s\n", 4492 ata_raid_hptv3_type(meta->configs[i].type)); 4493 kprintf(" total_disks %u\n", meta->configs[i].total_disks); 4494 kprintf(" disk_number %u\n", meta->configs[i].disk_number); 4495 kprintf(" stripe_shift %u\n", meta->configs[i].stripe_shift); 4496 kprintf(" status %b\n", meta->configs[i].status, 4497 "\20\2RAID5\1NEED_REBUILD\n"); 4498 kprintf(" critical_disks %u\n", meta->configs[i].critical_disks); 4499 kprintf(" rebuild_lba %ju\n", 4500 meta->configs_high[0].rebuild_lba + 4501 ((u_int64_t)meta->configs_high[0].rebuild_lba << 32)); 4502 } 4503 kprintf("name <%.16s>\n", meta->name); 4504 kprintf("timestamp 0x%08x\n", meta->timestamp); 4505 kprintf("description <%.16s>\n", meta->description); 4506 kprintf("creator <%.16s>\n", meta->creator); 4507 kprintf("checksum_1 0x%02x\n", meta->checksum_1); 4508 kprintf("dummy_0 0x%02x\n", meta->dummy_0); 4509 kprintf("dummy_1 0x%02x\n", meta->dummy_1); 4510 kprintf("flags %b\n", meta->flags, 4511 "\20\4RCACHE\3WCACHE\2NCQ\1TCQ\n"); 4512 kprintf("=================================================\n"); 4513 } 4514 4515 static char * 4516 ata_raid_intel_type(int type) 4517 { 4518 static char buffer[16]; 4519 4520 switch (type) { 4521 case INTEL_T_RAID0: return "RAID0"; 4522 case INTEL_T_RAID1: return "RAID1"; 4523 case INTEL_T_RAID5: return "RAID5"; 4524 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4525 return buffer; 4526 } 4527 } 4528 4529 static void 4530 ata_raid_intel_print_meta(struct intel_raid_conf *meta) 4531 { 4532 struct intel_raid_mapping *map; 4533 int i, j; 4534 4535 kprintf("********* ATA Intel MatrixRAID Metadata *********\n"); 4536 kprintf("intel_id <%.24s>\n", meta->intel_id); 4537 kprintf("version <%.6s>\n", meta->version); 4538 kprintf("checksum 0x%08x\n", meta->checksum); 4539 kprintf("config_size 0x%08x\n", meta->config_size); 4540 kprintf("config_id 0x%08x\n", meta->config_id); 4541 kprintf("generation 0x%08x\n", meta->generation); 4542 kprintf("total_disks %u\n", meta->total_disks); 4543 kprintf("total_volumes %u\n", meta->total_volumes); 4544 kprintf("DISK# serial disk_sectors disk_id flags\n"); 4545 for (i = 0; i < meta->total_disks; i++ ) { 4546 kprintf(" %d <%.16s> %u 0x%08x 0x%08x\n", i, 4547 meta->disk[i].serial, meta->disk[i].sectors, 4548 meta->disk[i].id, meta->disk[i].flags); 4549 } 4550 map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks]; 4551 for (j = 0; j < meta->total_volumes; j++) { 4552 kprintf("name %.16s\n", map->name); 4553 kprintf("total_sectors %ju\n", map->total_sectors); 4554 kprintf("state %u\n", map->state); 4555 kprintf("reserved %u\n", map->reserved); 4556 kprintf("offset %u\n", map->offset); 4557 kprintf("disk_sectors %u\n", map->disk_sectors); 4558 kprintf("stripe_count %u\n", map->stripe_count); 4559 kprintf("stripe_sectors %u\n", map->stripe_sectors); 4560 kprintf("status %u\n", map->status); 4561 kprintf("type %s\n", ata_raid_intel_type(map->type)); 4562 kprintf("total_disks %u\n", map->total_disks); 4563 kprintf("magic[0] 0x%02x\n", map->magic[0]); 4564 kprintf("magic[1] 0x%02x\n", map->magic[1]); 4565 kprintf("magic[2] 0x%02x\n", map->magic[2]); 4566 for (i = 0; i < map->total_disks; i++ ) { 4567 kprintf(" disk %d at disk_idx 0x%08x\n", i, map->disk_idx[i]); 4568 } 4569 map = (struct intel_raid_mapping *)&map->disk_idx[map->total_disks]; 4570 } 4571 kprintf("=================================================\n"); 4572 } 4573 4574 static char * 4575 ata_raid_ite_type(int type) 4576 { 4577 static char buffer[16]; 4578 4579 switch (type) { 4580 case ITE_T_RAID0: return "RAID0"; 4581 case ITE_T_RAID1: return "RAID1"; 4582 case ITE_T_RAID01: return "RAID0+1"; 4583 case ITE_T_SPAN: return "SPAN"; 4584 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4585 return buffer; 4586 } 4587 } 4588 4589 static void 4590 ata_raid_ite_print_meta(struct ite_raid_conf *meta) 4591 { 4592 kprintf("*** ATA Integrated Technology Express Metadata **\n"); 4593 kprintf("ite_id <%.40s>\n", meta->ite_id); 4594 kprintf("timestamp_0 %04x/%02x/%02x %02x:%02x:%02x.%02x\n", 4595 *((u_int16_t *)meta->timestamp_0), meta->timestamp_0[2], 4596 meta->timestamp_0[3], meta->timestamp_0[5], meta->timestamp_0[4], 4597 meta->timestamp_0[7], meta->timestamp_0[6]); 4598 kprintf("total_sectors %jd\n", meta->total_sectors); 4599 kprintf("type %s\n", ata_raid_ite_type(meta->type)); 4600 kprintf("stripe_1kblocks %u\n", meta->stripe_1kblocks); 4601 kprintf("timestamp_1 %04x/%02x/%02x %02x:%02x:%02x.%02x\n", 4602 *((u_int16_t *)meta->timestamp_1), meta->timestamp_1[2], 4603 meta->timestamp_1[3], meta->timestamp_1[5], meta->timestamp_1[4], 4604 meta->timestamp_1[7], meta->timestamp_1[6]); 4605 kprintf("stripe_sectors %u\n", meta->stripe_sectors); 4606 kprintf("array_width %u\n", meta->array_width); 4607 kprintf("disk_number %u\n", meta->disk_number); 4608 kprintf("disk_sectors %u\n", meta->disk_sectors); 4609 kprintf("=================================================\n"); 4610 } 4611 4612 static char * 4613 ata_raid_jmicron_type(int type) 4614 { 4615 static char buffer[16]; 4616 4617 switch (type) { 4618 case JM_T_RAID0: return "RAID0"; 4619 case JM_T_RAID1: return "RAID1"; 4620 case JM_T_RAID01: return "RAID0+1"; 4621 case JM_T_JBOD: return "JBOD"; 4622 case JM_T_RAID5: return "RAID5"; 4623 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4624 return buffer; 4625 } 4626 } 4627 4628 static void 4629 ata_raid_jmicron_print_meta(struct jmicron_raid_conf *meta) 4630 { 4631 int i; 4632 4633 kprintf("***** ATA JMicron Technology Corp Metadata ******\n"); 4634 kprintf("signature %.2s\n", meta->signature); 4635 kprintf("version 0x%04x\n", meta->version); 4636 kprintf("checksum 0x%04x\n", meta->checksum); 4637 kprintf("disk_id 0x%08x\n", meta->disk_id); 4638 kprintf("offset 0x%08x\n", meta->offset); 4639 kprintf("disk_sectors_low 0x%08x\n", meta->disk_sectors_low); 4640 kprintf("disk_sectors_high 0x%08x\n", meta->disk_sectors_high); 4641 kprintf("name %.16s\n", meta->name); 4642 kprintf("type %s\n", ata_raid_jmicron_type(meta->type)); 4643 kprintf("stripe_shift %d\n", meta->stripe_shift); 4644 kprintf("flags 0x%04x\n", meta->flags); 4645 kprintf("spare:\n"); 4646 for (i=0; i < 2 && meta->spare[i]; i++) 4647 kprintf(" %d 0x%08x\n", i, meta->spare[i]); 4648 kprintf("disks:\n"); 4649 for (i=0; i < 8 && meta->disks[i]; i++) 4650 kprintf(" %d 0x%08x\n", i, meta->disks[i]); 4651 kprintf("=================================================\n"); 4652 } 4653 4654 static char * 4655 ata_raid_lsiv2_type(int type) 4656 { 4657 static char buffer[16]; 4658 4659 switch (type) { 4660 case LSIV2_T_RAID0: return "RAID0"; 4661 case LSIV2_T_RAID1: return "RAID1"; 4662 case LSIV2_T_SPARE: return "SPARE"; 4663 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4664 return buffer; 4665 } 4666 } 4667 4668 static void 4669 ata_raid_lsiv2_print_meta(struct lsiv2_raid_conf *meta) 4670 { 4671 int i; 4672 4673 kprintf("******* ATA LSILogic V2 MegaRAID Metadata *******\n"); 4674 kprintf("lsi_id <%s>\n", meta->lsi_id); 4675 kprintf("dummy_0 0x%02x\n", meta->dummy_0); 4676 kprintf("flags 0x%02x\n", meta->flags); 4677 kprintf("version 0x%04x\n", meta->version); 4678 kprintf("config_entries 0x%02x\n", meta->config_entries); 4679 kprintf("raid_count 0x%02x\n", meta->raid_count); 4680 kprintf("total_disks 0x%02x\n", meta->total_disks); 4681 kprintf("dummy_1 0x%02x\n", meta->dummy_1); 4682 kprintf("dummy_2 0x%04x\n", meta->dummy_2); 4683 for (i = 0; i < meta->config_entries; i++) { 4684 kprintf(" type %s\n", 4685 ata_raid_lsiv2_type(meta->configs[i].raid.type)); 4686 kprintf(" dummy_0 %02x\n", meta->configs[i].raid.dummy_0); 4687 kprintf(" stripe_sectors %u\n", 4688 meta->configs[i].raid.stripe_sectors); 4689 kprintf(" array_width %u\n", 4690 meta->configs[i].raid.array_width); 4691 kprintf(" disk_count %u\n", meta->configs[i].raid.disk_count); 4692 kprintf(" config_offset %u\n", 4693 meta->configs[i].raid.config_offset); 4694 kprintf(" dummy_1 %u\n", meta->configs[i].raid.dummy_1); 4695 kprintf(" flags %02x\n", meta->configs[i].raid.flags); 4696 kprintf(" total_sectors %u\n", 4697 meta->configs[i].raid.total_sectors); 4698 } 4699 kprintf("disk_number 0x%02x\n", meta->disk_number); 4700 kprintf("raid_number 0x%02x\n", meta->raid_number); 4701 kprintf("timestamp 0x%08x\n", meta->timestamp); 4702 kprintf("=================================================\n"); 4703 } 4704 4705 static char * 4706 ata_raid_lsiv3_type(int type) 4707 { 4708 static char buffer[16]; 4709 4710 switch (type) { 4711 case LSIV3_T_RAID0: return "RAID0"; 4712 case LSIV3_T_RAID1: return "RAID1"; 4713 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4714 return buffer; 4715 } 4716 } 4717 4718 static void 4719 ata_raid_lsiv3_print_meta(struct lsiv3_raid_conf *meta) 4720 { 4721 int i; 4722 4723 kprintf("******* ATA LSILogic V3 MegaRAID Metadata *******\n"); 4724 kprintf("lsi_id <%.6s>\n", meta->lsi_id); 4725 kprintf("dummy_0 0x%04x\n", meta->dummy_0); 4726 kprintf("version 0x%04x\n", meta->version); 4727 kprintf("dummy_0 0x%04x\n", meta->dummy_1); 4728 kprintf("RAID configs:\n"); 4729 for (i = 0; i < 8; i++) { 4730 if (meta->raid[i].total_disks) { 4731 kprintf("%02d stripe_pages %u\n", i, 4732 meta->raid[i].stripe_pages); 4733 kprintf("%02d type %s\n", i, 4734 ata_raid_lsiv3_type(meta->raid[i].type)); 4735 kprintf("%02d total_disks %u\n", i, 4736 meta->raid[i].total_disks); 4737 kprintf("%02d array_width %u\n", i, 4738 meta->raid[i].array_width); 4739 kprintf("%02d sectors %u\n", i, meta->raid[i].sectors); 4740 kprintf("%02d offset %u\n", i, meta->raid[i].offset); 4741 kprintf("%02d device 0x%02x\n", i, 4742 meta->raid[i].device); 4743 } 4744 } 4745 kprintf("DISK configs:\n"); 4746 for (i = 0; i < 6; i++) { 4747 if (meta->disk[i].disk_sectors) { 4748 kprintf("%02d disk_sectors %u\n", i, 4749 meta->disk[i].disk_sectors); 4750 kprintf("%02d flags 0x%02x\n", i, meta->disk[i].flags); 4751 } 4752 } 4753 kprintf("device 0x%02x\n", meta->device); 4754 kprintf("timestamp 0x%08x\n", meta->timestamp); 4755 kprintf("checksum_1 0x%02x\n", meta->checksum_1); 4756 kprintf("=================================================\n"); 4757 } 4758 4759 static char * 4760 ata_raid_nvidia_type(int type) 4761 { 4762 static char buffer[16]; 4763 4764 switch (type) { 4765 case NV_T_SPAN: return "SPAN"; 4766 case NV_T_RAID0: return "RAID0"; 4767 case NV_T_RAID1: return "RAID1"; 4768 case NV_T_RAID3: return "RAID3"; 4769 case NV_T_RAID5: return "RAID5"; 4770 case NV_T_RAID01: return "RAID0+1"; 4771 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4772 return buffer; 4773 } 4774 } 4775 4776 static void 4777 ata_raid_nvidia_print_meta(struct nvidia_raid_conf *meta) 4778 { 4779 kprintf("******** ATA nVidia MediaShield Metadata ********\n"); 4780 kprintf("nvidia_id <%.8s>\n", meta->nvidia_id); 4781 kprintf("config_size %d\n", meta->config_size); 4782 kprintf("checksum 0x%08x\n", meta->checksum); 4783 kprintf("version 0x%04x\n", meta->version); 4784 kprintf("disk_number %d\n", meta->disk_number); 4785 kprintf("dummy_0 0x%02x\n", meta->dummy_0); 4786 kprintf("total_sectors %d\n", meta->total_sectors); 4787 kprintf("sectors_size %d\n", meta->sector_size); 4788 kprintf("serial %.16s\n", meta->serial); 4789 kprintf("revision %.4s\n", meta->revision); 4790 kprintf("dummy_1 0x%08x\n", meta->dummy_1); 4791 kprintf("magic_0 0x%08x\n", meta->magic_0); 4792 kprintf("magic_1 0x%016jx\n", meta->magic_1); 4793 kprintf("magic_2 0x%016jx\n", meta->magic_2); 4794 kprintf("flags 0x%02x\n", meta->flags); 4795 kprintf("array_width %d\n", meta->array_width); 4796 kprintf("total_disks %d\n", meta->total_disks); 4797 kprintf("dummy_2 0x%02x\n", meta->dummy_2); 4798 kprintf("type %s\n", ata_raid_nvidia_type(meta->type)); 4799 kprintf("dummy_3 0x%04x\n", meta->dummy_3); 4800 kprintf("stripe_sectors %d\n", meta->stripe_sectors); 4801 kprintf("stripe_bytes %d\n", meta->stripe_bytes); 4802 kprintf("stripe_shift %d\n", meta->stripe_shift); 4803 kprintf("stripe_mask 0x%08x\n", meta->stripe_mask); 4804 kprintf("stripe_sizesectors %d\n", meta->stripe_sizesectors); 4805 kprintf("stripe_sizebytes %d\n", meta->stripe_sizebytes); 4806 kprintf("rebuild_lba %d\n", meta->rebuild_lba); 4807 kprintf("dummy_4 0x%08x\n", meta->dummy_4); 4808 kprintf("dummy_5 0x%08x\n", meta->dummy_5); 4809 kprintf("status 0x%08x\n", meta->status); 4810 kprintf("=================================================\n"); 4811 } 4812 4813 static char * 4814 ata_raid_promise_type(int type) 4815 { 4816 static char buffer[16]; 4817 4818 switch (type) { 4819 case PR_T_RAID0: return "RAID0"; 4820 case PR_T_RAID1: return "RAID1"; 4821 case PR_T_RAID3: return "RAID3"; 4822 case PR_T_RAID5: return "RAID5"; 4823 case PR_T_SPAN: return "SPAN"; 4824 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4825 return buffer; 4826 } 4827 } 4828 4829 static void 4830 ata_raid_promise_print_meta(struct promise_raid_conf *meta) 4831 { 4832 int i; 4833 4834 kprintf("********* ATA Promise FastTrak Metadata *********\n"); 4835 kprintf("promise_id <%s>\n", meta->promise_id); 4836 kprintf("dummy_0 0x%08x\n", meta->dummy_0); 4837 kprintf("magic_0 0x%016jx\n", meta->magic_0); 4838 kprintf("magic_1 0x%04x\n", meta->magic_1); 4839 kprintf("magic_2 0x%08x\n", meta->magic_2); 4840 kprintf("integrity 0x%08x %b\n", meta->raid.integrity, 4841 meta->raid.integrity, "\20\10VALID\n" ); 4842 kprintf("flags 0x%02x %b\n", 4843 meta->raid.flags, meta->raid.flags, 4844 "\20\10READY\7DOWN\6REDIR\5DUPLICATE\4SPARE" 4845 "\3ASSIGNED\2ONLINE\1VALID\n"); 4846 kprintf("disk_number %d\n", meta->raid.disk_number); 4847 kprintf("channel 0x%02x\n", meta->raid.channel); 4848 kprintf("device 0x%02x\n", meta->raid.device); 4849 kprintf("magic_0 0x%016jx\n", meta->raid.magic_0); 4850 kprintf("disk_offset %u\n", meta->raid.disk_offset); 4851 kprintf("disk_sectors %u\n", meta->raid.disk_sectors); 4852 kprintf("rebuild_lba 0x%08x\n", meta->raid.rebuild_lba); 4853 kprintf("generation 0x%04x\n", meta->raid.generation); 4854 kprintf("status 0x%02x %b\n", 4855 meta->raid.status, meta->raid.status, 4856 "\20\6MARKED\5DEGRADED\4READY\3INITED\2ONLINE\1VALID\n"); 4857 kprintf("type %s\n", ata_raid_promise_type(meta->raid.type)); 4858 kprintf("total_disks %u\n", meta->raid.total_disks); 4859 kprintf("stripe_shift %u\n", meta->raid.stripe_shift); 4860 kprintf("array_width %u\n", meta->raid.array_width); 4861 kprintf("array_number %u\n", meta->raid.array_number); 4862 kprintf("total_sectors %u\n", meta->raid.total_sectors); 4863 kprintf("cylinders %u\n", meta->raid.cylinders); 4864 kprintf("heads %u\n", meta->raid.heads); 4865 kprintf("sectors %u\n", meta->raid.sectors); 4866 kprintf("magic_1 0x%016jx\n", meta->raid.magic_1); 4867 kprintf("DISK# flags dummy_0 channel device magic_0\n"); 4868 for (i = 0; i < 8; i++) { 4869 kprintf(" %d %b 0x%02x 0x%02x 0x%02x ", 4870 i, meta->raid.disk[i].flags, 4871 "\20\10READY\7DOWN\6REDIR\5DUPLICATE\4SPARE" 4872 "\3ASSIGNED\2ONLINE\1VALID\n", meta->raid.disk[i].dummy_0, 4873 meta->raid.disk[i].channel, meta->raid.disk[i].device); 4874 kprintf("0x%016jx\n", meta->raid.disk[i].magic_0); 4875 } 4876 kprintf("checksum 0x%08x\n", meta->checksum); 4877 kprintf("=================================================\n"); 4878 } 4879 4880 static char * 4881 ata_raid_sii_type(int type) 4882 { 4883 static char buffer[16]; 4884 4885 switch (type) { 4886 case SII_T_RAID0: return "RAID0"; 4887 case SII_T_RAID1: return "RAID1"; 4888 case SII_T_RAID01: return "RAID0+1"; 4889 case SII_T_SPARE: return "SPARE"; 4890 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4891 return buffer; 4892 } 4893 } 4894 4895 static void 4896 ata_raid_sii_print_meta(struct sii_raid_conf *meta) 4897 { 4898 kprintf("******* ATA Silicon Image Medley Metadata *******\n"); 4899 kprintf("total_sectors %ju\n", meta->total_sectors); 4900 kprintf("dummy_0 0x%04x\n", meta->dummy_0); 4901 kprintf("dummy_1 0x%04x\n", meta->dummy_1); 4902 kprintf("controller_pci_id 0x%08x\n", meta->controller_pci_id); 4903 kprintf("version_minor 0x%04x\n", meta->version_minor); 4904 kprintf("version_major 0x%04x\n", meta->version_major); 4905 kprintf("timestamp 20%02x/%02x/%02x %02x:%02x:%02x\n", 4906 meta->timestamp[5], meta->timestamp[4], meta->timestamp[3], 4907 meta->timestamp[2], meta->timestamp[1], meta->timestamp[0]); 4908 kprintf("stripe_sectors %u\n", meta->stripe_sectors); 4909 kprintf("dummy_2 0x%04x\n", meta->dummy_2); 4910 kprintf("disk_number %u\n", meta->disk_number); 4911 kprintf("type %s\n", ata_raid_sii_type(meta->type)); 4912 kprintf("raid0_disks %u\n", meta->raid0_disks); 4913 kprintf("raid0_ident %u\n", meta->raid0_ident); 4914 kprintf("raid1_disks %u\n", meta->raid1_disks); 4915 kprintf("raid1_ident %u\n", meta->raid1_ident); 4916 kprintf("rebuild_lba %ju\n", meta->rebuild_lba); 4917 kprintf("generation 0x%08x\n", meta->generation); 4918 kprintf("status 0x%02x %b\n", 4919 meta->status, meta->status, 4920 "\20\1READY\n"); 4921 kprintf("base_raid1_position %02x\n", meta->base_raid1_position); 4922 kprintf("base_raid0_position %02x\n", meta->base_raid0_position); 4923 kprintf("position %02x\n", meta->position); 4924 kprintf("dummy_3 %04x\n", meta->dummy_3); 4925 kprintf("name <%.16s>\n", meta->name); 4926 kprintf("checksum_0 0x%04x\n", meta->checksum_0); 4927 kprintf("checksum_1 0x%04x\n", meta->checksum_1); 4928 kprintf("=================================================\n"); 4929 } 4930 4931 static char * 4932 ata_raid_sis_type(int type) 4933 { 4934 static char buffer[16]; 4935 4936 switch (type) { 4937 case SIS_T_JBOD: return "JBOD"; 4938 case SIS_T_RAID0: return "RAID0"; 4939 case SIS_T_RAID1: return "RAID1"; 4940 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4941 return buffer; 4942 } 4943 } 4944 4945 static void 4946 ata_raid_sis_print_meta(struct sis_raid_conf *meta) 4947 { 4948 kprintf("**** ATA Silicon Integrated Systems Metadata ****\n"); 4949 kprintf("magic 0x%04x\n", meta->magic); 4950 kprintf("disks 0x%02x\n", meta->disks); 4951 kprintf("type %s\n", 4952 ata_raid_sis_type(meta->type_total_disks & SIS_T_MASK)); 4953 kprintf("total_disks %u\n", meta->type_total_disks & SIS_D_MASK); 4954 kprintf("dummy_0 0x%08x\n", meta->dummy_0); 4955 kprintf("controller_pci_id 0x%08x\n", meta->controller_pci_id); 4956 kprintf("stripe_sectors %u\n", meta->stripe_sectors); 4957 kprintf("dummy_1 0x%04x\n", meta->dummy_1); 4958 kprintf("timestamp 0x%08x\n", meta->timestamp); 4959 kprintf("model %.40s\n", meta->model); 4960 kprintf("disk_number %u\n", meta->disk_number); 4961 kprintf("dummy_2 0x%02x 0x%02x 0x%02x\n", 4962 meta->dummy_2[0], meta->dummy_2[1], meta->dummy_2[2]); 4963 kprintf("=================================================\n"); 4964 } 4965 4966 static char * 4967 ata_raid_via_type(int type) 4968 { 4969 static char buffer[16]; 4970 4971 switch (type) { 4972 case VIA_T_RAID0: return "RAID0"; 4973 case VIA_T_RAID1: return "RAID1"; 4974 case VIA_T_RAID5: return "RAID5"; 4975 case VIA_T_RAID01: return "RAID0+1"; 4976 case VIA_T_SPAN: return "SPAN"; 4977 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4978 return buffer; 4979 } 4980 } 4981 4982 static void 4983 ata_raid_via_print_meta(struct via_raid_conf *meta) 4984 { 4985 int i; 4986 4987 kprintf("*************** ATA VIA Metadata ****************\n"); 4988 kprintf("magic 0x%02x\n", meta->magic); 4989 kprintf("dummy_0 0x%02x\n", meta->dummy_0); 4990 kprintf("type %s\n", 4991 ata_raid_via_type(meta->type & VIA_T_MASK)); 4992 kprintf("bootable %d\n", meta->type & VIA_T_BOOTABLE); 4993 kprintf("unknown %d\n", meta->type & VIA_T_UNKNOWN); 4994 kprintf("disk_index 0x%02x\n", meta->disk_index); 4995 kprintf("stripe_layout 0x%02x\n", meta->stripe_layout); 4996 kprintf(" stripe_disks %d\n", meta->stripe_layout & VIA_L_DISKS); 4997 kprintf(" stripe_sectors %d\n", 4998 0x08 << ((meta->stripe_layout & VIA_L_MASK) >> VIA_L_SHIFT)); 4999 kprintf("disk_sectors %ju\n", meta->disk_sectors); 5000 kprintf("disk_id 0x%08x\n", meta->disk_id); 5001 kprintf("DISK# disk_id\n"); 5002 for (i = 0; i < 8; i++) { 5003 if (meta->disks[i]) 5004 kprintf(" %d 0x%08x\n", i, meta->disks[i]); 5005 } 5006 kprintf("checksum 0x%02x\n", meta->checksum); 5007 kprintf("=================================================\n"); 5008 } 5009