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 * $DragonFly: src/sys/dev/disk/nata/ata-raid.c,v 1.10 2008/06/27 01:24:46 dillon Exp $ 28 */ 29 30 #include "opt_ata.h" 31 32 #include <sys/param.h> 33 #include <sys/bio.h> 34 #include <sys/buf.h> 35 #include <sys/buf2.h> 36 #include <sys/bus.h> 37 #include <sys/conf.h> 38 #include <sys/device.h> 39 #include <sys/disk.h> 40 #include <sys/endian.h> 41 #include <sys/libkern.h> 42 #include <sys/malloc.h> 43 #include <sys/module.h> 44 #include <sys/nata.h> 45 #include <sys/spinlock2.h> 46 #include <sys/systm.h> 47 48 #include <vm/pmap.h> 49 50 #include <machine/md_var.h> 51 52 #include <bus/pci/pcivar.h> 53 54 #include "ata-all.h" 55 #include "ata-disk.h" 56 #include "ata-raid.h" 57 #include "ata-pci.h" 58 #include "ata_if.h" 59 60 61 /* device structure */ 62 static d_strategy_t ata_raid_strategy; 63 static d_dump_t ata_raid_dump; 64 static struct dev_ops ar_ops = { 65 { "ar", 157, D_DISK }, 66 .d_open = nullopen, 67 .d_close = nullclose, 68 .d_read = physread, 69 .d_write = physwrite, 70 .d_strategy = ata_raid_strategy, 71 .d_dump = ata_raid_dump, 72 }; 73 74 /* prototypes */ 75 static void ata_raid_done(struct ata_request *request); 76 static void ata_raid_config_changed(struct ar_softc *rdp, int writeback); 77 static int ata_raid_status(struct ata_ioc_raid_config *config); 78 static int ata_raid_create(struct ata_ioc_raid_config *config); 79 static int ata_raid_delete(int array); 80 static int ata_raid_addspare(struct ata_ioc_raid_config *config); 81 static int ata_raid_rebuild(int array); 82 static int ata_raid_read_metadata(device_t subdisk); 83 static int ata_raid_write_metadata(struct ar_softc *rdp); 84 static int ata_raid_wipe_metadata(struct ar_softc *rdp); 85 static int ata_raid_adaptec_read_meta(device_t dev, struct ar_softc **raidp); 86 static int ata_raid_hptv2_read_meta(device_t dev, struct ar_softc **raidp); 87 static int ata_raid_hptv2_write_meta(struct ar_softc *rdp); 88 static int ata_raid_hptv3_read_meta(device_t dev, struct ar_softc **raidp); 89 static int ata_raid_intel_read_meta(device_t dev, struct ar_softc **raidp); 90 static int ata_raid_intel_write_meta(struct ar_softc *rdp); 91 static int ata_raid_ite_read_meta(device_t dev, struct ar_softc **raidp); 92 static int ata_raid_jmicron_read_meta(device_t dev, struct ar_softc **raidp); 93 static int ata_raid_jmicron_write_meta(struct ar_softc *rdp); 94 static int ata_raid_lsiv2_read_meta(device_t dev, struct ar_softc **raidp); 95 static int ata_raid_lsiv3_read_meta(device_t dev, struct ar_softc **raidp); 96 static int ata_raid_nvidia_read_meta(device_t dev, struct ar_softc **raidp); 97 static int ata_raid_promise_read_meta(device_t dev, struct ar_softc **raidp, int native); 98 static int ata_raid_promise_write_meta(struct ar_softc *rdp); 99 static int ata_raid_sii_read_meta(device_t dev, struct ar_softc **raidp); 100 static int ata_raid_sis_read_meta(device_t dev, struct ar_softc **raidp); 101 static int ata_raid_sis_write_meta(struct ar_softc *rdp); 102 static int ata_raid_via_read_meta(device_t dev, struct ar_softc **raidp); 103 static int ata_raid_via_write_meta(struct ar_softc *rdp); 104 static struct ata_request *ata_raid_init_request(struct ar_softc *rdp, struct bio *bio); 105 static int ata_raid_send_request(struct ata_request *request); 106 static int ata_raid_rw(device_t dev, u_int64_t lba, void *data, u_int bcount, int flags); 107 static char * ata_raid_format(struct ar_softc *rdp); 108 static char * ata_raid_type(struct ar_softc *rdp); 109 static char * ata_raid_flags(struct ar_softc *rdp); 110 111 /* debugging only */ 112 static void ata_raid_print_meta(struct ar_softc *meta); 113 static void ata_raid_adaptec_print_meta(struct adaptec_raid_conf *meta); 114 static void ata_raid_hptv2_print_meta(struct hptv2_raid_conf *meta); 115 static void ata_raid_hptv3_print_meta(struct hptv3_raid_conf *meta); 116 static void ata_raid_intel_print_meta(struct intel_raid_conf *meta); 117 static void ata_raid_ite_print_meta(struct ite_raid_conf *meta); 118 static void ata_raid_jmicron_print_meta(struct jmicron_raid_conf *meta); 119 static void ata_raid_lsiv2_print_meta(struct lsiv2_raid_conf *meta); 120 static void ata_raid_lsiv3_print_meta(struct lsiv3_raid_conf *meta); 121 static void ata_raid_nvidia_print_meta(struct nvidia_raid_conf *meta); 122 static void ata_raid_promise_print_meta(struct promise_raid_conf *meta); 123 static void ata_raid_sii_print_meta(struct sii_raid_conf *meta); 124 static void ata_raid_sis_print_meta(struct sis_raid_conf *meta); 125 static void ata_raid_via_print_meta(struct via_raid_conf *meta); 126 127 /* internal vars */ 128 static struct ar_softc *ata_raid_arrays[MAX_ARRAYS]; 129 static MALLOC_DEFINE(M_AR, "ar_driver", "ATA PseudoRAID driver"); 130 static devclass_t ata_raid_sub_devclass; 131 static int testing = 0; 132 133 static void 134 ata_raid_attach(struct ar_softc *rdp, int writeback) 135 { 136 struct disk_info info; 137 cdev_t cdev; 138 char buffer[32]; 139 int disk; 140 141 spin_init(&rdp->lock); 142 ata_raid_config_changed(rdp, writeback); 143 144 /* sanitize arrays total_size % (width * interleave) == 0 */ 145 if (rdp->type == AR_T_RAID0 || rdp->type == AR_T_RAID01 || 146 rdp->type == AR_T_RAID5) { 147 rdp->total_sectors = (rdp->total_sectors/(rdp->interleave*rdp->width))* 148 (rdp->interleave * rdp->width); 149 ksprintf(buffer, " (stripe %d KB)", 150 (rdp->interleave * DEV_BSIZE) / 1024); 151 } 152 else 153 buffer[0] = '\0'; 154 /* XXX TGEN add devstats? */ 155 cdev = disk_create(rdp->lun, &rdp->disk, &ar_ops); 156 cdev->si_drv1 = rdp; 157 cdev->si_iosize_max = 128 * DEV_BSIZE; 158 rdp->cdev = cdev; 159 160 bzero(&info, sizeof(info)); 161 info.d_media_blksize = DEV_BSIZE; /* mandatory */ 162 info.d_media_blocks = rdp->total_sectors; 163 164 info.d_secpertrack = rdp->sectors; /* optional */ 165 info.d_nheads = rdp->heads; 166 info.d_ncylinders = rdp->total_sectors/(rdp->heads*rdp->sectors); 167 info.d_secpercyl = rdp->sectors * rdp->heads; 168 169 kprintf("ar%d: %juMB <%s %s%s> status: %s\n", rdp->lun, 170 rdp->total_sectors / ((1024L * 1024L) / DEV_BSIZE), 171 ata_raid_format(rdp), ata_raid_type(rdp), 172 buffer, ata_raid_flags(rdp)); 173 174 if (testing || bootverbose) 175 kprintf("ar%d: %ju sectors [%dC/%dH/%dS] <%s> subdisks defined as:\n", 176 rdp->lun, rdp->total_sectors, 177 rdp->cylinders, rdp->heads, rdp->sectors, rdp->name); 178 179 for (disk = 0; disk < rdp->total_disks; disk++) { 180 kprintf("ar%d: disk%d ", rdp->lun, disk); 181 if (rdp->disks[disk].dev) { 182 if (rdp->disks[disk].flags & AR_DF_PRESENT) { 183 /* status of this disk in the array */ 184 if (rdp->disks[disk].flags & AR_DF_ONLINE) 185 kprintf("READY "); 186 else if (rdp->disks[disk].flags & AR_DF_SPARE) 187 kprintf("SPARE "); 188 else 189 kprintf("FREE "); 190 191 /* what type of disk is this in the array */ 192 switch (rdp->type) { 193 case AR_T_RAID1: 194 case AR_T_RAID01: 195 if (disk < rdp->width) 196 kprintf("(master) "); 197 else 198 kprintf("(mirror) "); 199 } 200 201 /* which physical disk is used */ 202 kprintf("using %s at ata%d-%s\n", 203 device_get_nameunit(rdp->disks[disk].dev), 204 device_get_unit(device_get_parent(rdp->disks[disk].dev)), 205 (((struct ata_device *) 206 device_get_softc(rdp->disks[disk].dev))->unit == 207 ATA_MASTER) ? "master" : "slave"); 208 } 209 else if (rdp->disks[disk].flags & AR_DF_ASSIGNED) 210 kprintf("DOWN\n"); 211 else 212 kprintf("INVALID no RAID config on this subdisk\n"); 213 } 214 else 215 kprintf("DOWN no device found for this subdisk\n"); 216 } 217 218 disk_setdiskinfo(&rdp->disk, &info); 219 } 220 221 /* 222 * ATA PseudoRAID ioctl function. Note that this does not need to be adjusted 223 * to the dev_ops way, because it's just chained from the generic ata ioctl. 224 */ 225 static int 226 ata_raid_ioctl(u_long cmd, caddr_t data) 227 { 228 struct ata_ioc_raid_config *config = (struct ata_ioc_raid_config *)data; 229 int *lun = (int *)data; 230 int error = EOPNOTSUPP; 231 232 switch (cmd) { 233 case IOCATARAIDSTATUS: 234 error = ata_raid_status(config); 235 break; 236 237 case IOCATARAIDCREATE: 238 error = ata_raid_create(config); 239 break; 240 241 case IOCATARAIDDELETE: 242 error = ata_raid_delete(*lun); 243 break; 244 245 case IOCATARAIDADDSPARE: 246 error = ata_raid_addspare(config); 247 break; 248 249 case IOCATARAIDREBUILD: 250 error = ata_raid_rebuild(*lun); 251 break; 252 } 253 return error; 254 } 255 256 /* 257 * XXX TGEN there are a lot of offset -> block number conversions going on 258 * here, which is suboptimal. 259 */ 260 static int 261 ata_raid_strategy(struct dev_strategy_args *ap) 262 { 263 struct ar_softc *rdp = ap->a_head.a_dev->si_drv1; 264 struct bio *bp = ap->a_bio; 265 struct buf *bbp = bp->bio_buf; 266 struct ata_request *request; 267 caddr_t data; 268 u_int64_t blkno, lba, blk = 0; 269 int count, chunk, drv, par = 0, change = 0; 270 271 if (!(rdp->status & AR_S_READY) || 272 (bbp->b_cmd != BUF_CMD_READ && bbp->b_cmd != BUF_CMD_WRITE)) { 273 bbp->b_flags |= B_ERROR; 274 bbp->b_error = EIO; 275 biodone(bp); 276 return(0); 277 } 278 279 bbp->b_resid = bbp->b_bcount; 280 for (count = howmany(bbp->b_bcount, DEV_BSIZE), 281 /* bio_offset is byte granularity, convert */ 282 blkno = (u_int64_t)(bp->bio_offset >> DEV_BSHIFT), 283 data = bbp->b_data; 284 count > 0; 285 count -= chunk, blkno += chunk, data += (chunk * DEV_BSIZE)) { 286 287 switch (rdp->type) { 288 case AR_T_RAID1: 289 drv = 0; 290 lba = blkno; 291 chunk = count; 292 break; 293 294 case AR_T_JBOD: 295 case AR_T_SPAN: 296 drv = 0; 297 lba = blkno; 298 while (lba >= rdp->disks[drv].sectors) 299 lba -= rdp->disks[drv++].sectors; 300 chunk = min(rdp->disks[drv].sectors - lba, count); 301 break; 302 303 case AR_T_RAID0: 304 case AR_T_RAID01: 305 chunk = blkno % rdp->interleave; 306 drv = (blkno / rdp->interleave) % rdp->width; 307 lba = (((blkno/rdp->interleave)/rdp->width)*rdp->interleave)+chunk; 308 chunk = min(count, rdp->interleave - chunk); 309 break; 310 311 case AR_T_RAID5: 312 drv = (blkno / rdp->interleave) % (rdp->width - 1); 313 par = rdp->width - 1 - 314 (blkno / (rdp->interleave * (rdp->width - 1))) % rdp->width; 315 if (drv >= par) 316 drv++; 317 lba = ((blkno/rdp->interleave)/(rdp->width-1))*(rdp->interleave) + 318 ((blkno%(rdp->interleave*(rdp->width-1)))%rdp->interleave); 319 chunk = min(count, rdp->interleave - (lba % rdp->interleave)); 320 break; 321 322 default: 323 kprintf("ar%d: unknown array type in ata_raid_strategy\n", rdp->lun); 324 bbp->b_flags |= B_ERROR; 325 bbp->b_error = EIO; 326 biodone(bp); 327 return(0); 328 } 329 330 /* offset on all but "first on HPTv2" */ 331 if (!(drv == 0 && rdp->format == AR_F_HPTV2_RAID)) 332 lba += rdp->offset_sectors; 333 334 if (!(request = ata_raid_init_request(rdp, bp))) { 335 bbp->b_flags |= B_ERROR; 336 bbp->b_error = EIO; 337 biodone(bp); 338 return(0); 339 } 340 request->data = data; 341 request->bytecount = chunk * DEV_BSIZE; 342 request->u.ata.lba = lba; 343 request->u.ata.count = request->bytecount / DEV_BSIZE; 344 345 switch (rdp->type) { 346 case AR_T_JBOD: 347 case AR_T_SPAN: 348 case AR_T_RAID0: 349 if (((rdp->disks[drv].flags & (AR_DF_PRESENT|AR_DF_ONLINE)) == 350 (AR_DF_PRESENT|AR_DF_ONLINE) && !rdp->disks[drv].dev)) { 351 rdp->disks[drv].flags &= ~AR_DF_ONLINE; 352 ata_raid_config_changed(rdp, 1); 353 ata_free_request(request); 354 bbp->b_flags |= B_ERROR; 355 bbp->b_error = EIO; 356 biodone(bp); 357 return(0); 358 } 359 request->this = drv; 360 request->dev = rdp->disks[request->this].dev; 361 ata_raid_send_request(request); 362 break; 363 364 case AR_T_RAID1: 365 case AR_T_RAID01: 366 if ((rdp->disks[drv].flags & 367 (AR_DF_PRESENT|AR_DF_ONLINE))==(AR_DF_PRESENT|AR_DF_ONLINE) && 368 !rdp->disks[drv].dev) { 369 rdp->disks[drv].flags &= ~AR_DF_ONLINE; 370 change = 1; 371 } 372 if ((rdp->disks[drv + rdp->width].flags & 373 (AR_DF_PRESENT|AR_DF_ONLINE))==(AR_DF_PRESENT|AR_DF_ONLINE) && 374 !rdp->disks[drv + rdp->width].dev) { 375 rdp->disks[drv + rdp->width].flags &= ~AR_DF_ONLINE; 376 change = 1; 377 } 378 if (change) 379 ata_raid_config_changed(rdp, 1); 380 if (!(rdp->status & AR_S_READY)) { 381 ata_free_request(request); 382 bbp->b_flags |= B_ERROR; 383 bbp->b_error = EIO; 384 biodone(bp); 385 return(0); 386 } 387 388 if (rdp->status & AR_S_REBUILDING) 389 blk = ((lba / rdp->interleave) * rdp->width) * rdp->interleave + 390 (rdp->interleave * (drv % rdp->width)) + 391 lba % rdp->interleave;; 392 393 if (bbp->b_cmd == BUF_CMD_READ) { 394 int src_online = 395 (rdp->disks[drv].flags & AR_DF_ONLINE); 396 int mir_online = 397 (rdp->disks[drv+rdp->width].flags & AR_DF_ONLINE); 398 399 /* if mirror gone or close to last access on source */ 400 if (!mir_online || 401 ((src_online) && 402 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) >= 403 (rdp->disks[drv].last_lba - AR_PROXIMITY) && 404 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) <= 405 (rdp->disks[drv].last_lba + AR_PROXIMITY))) { 406 rdp->toggle = 0; 407 } 408 /* if source gone or close to last access on mirror */ 409 else if (!src_online || 410 ((mir_online) && 411 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) >= 412 (rdp->disks[drv+rdp->width].last_lba-AR_PROXIMITY) && 413 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) <= 414 (rdp->disks[drv+rdp->width].last_lba+AR_PROXIMITY))) { 415 drv += rdp->width; 416 rdp->toggle = 1; 417 } 418 /* not close to any previous access, toggle */ 419 else { 420 if (rdp->toggle) 421 rdp->toggle = 0; 422 else { 423 drv += rdp->width; 424 rdp->toggle = 1; 425 } 426 } 427 428 if ((rdp->status & AR_S_REBUILDING) && 429 (blk <= rdp->rebuild_lba) && 430 ((blk + chunk) > rdp->rebuild_lba)) { 431 struct ata_composite *composite; 432 struct ata_request *rebuild; 433 int this; 434 435 /* figure out what part to rebuild */ 436 if (drv < rdp->width) 437 this = drv + rdp->width; 438 else 439 this = drv - rdp->width; 440 441 /* do we have a spare to rebuild on ? */ 442 if (rdp->disks[this].flags & AR_DF_SPARE) { 443 if ((composite = ata_alloc_composite())) { 444 if ((rebuild = ata_alloc_request())) { 445 rdp->rebuild_lba = blk + chunk; 446 bcopy(request, rebuild, 447 sizeof(struct ata_request)); 448 rebuild->this = this; 449 rebuild->dev = rdp->disks[this].dev; 450 rebuild->flags &= ~ATA_R_READ; 451 rebuild->flags |= ATA_R_WRITE; 452 spin_init(&composite->lock); 453 composite->residual = request->bytecount; 454 composite->rd_needed |= (1 << drv); 455 composite->wr_depend |= (1 << drv); 456 composite->wr_needed |= (1 << this); 457 composite->request[drv] = request; 458 composite->request[this] = rebuild; 459 request->composite = composite; 460 rebuild->composite = composite; 461 ata_raid_send_request(rebuild); 462 } 463 else { 464 ata_free_composite(composite); 465 kprintf("DOH! ata_alloc_request failed!\n"); 466 } 467 } 468 else { 469 kprintf("DOH! ata_alloc_composite failed!\n"); 470 } 471 } 472 else if (rdp->disks[this].flags & AR_DF_ONLINE) { 473 /* 474 * if we got here we are a chunk of a RAID01 that 475 * does not need a rebuild, but we need to increment 476 * the rebuild_lba address to get the rebuild to 477 * move to the next chunk correctly 478 */ 479 rdp->rebuild_lba = blk + chunk; 480 } 481 else 482 kprintf("DOH! we didn't find the rebuild part\n"); 483 } 484 } 485 if (bbp->b_cmd == BUF_CMD_WRITE) { 486 if ((rdp->disks[drv+rdp->width].flags & AR_DF_ONLINE) || 487 ((rdp->status & AR_S_REBUILDING) && 488 (rdp->disks[drv+rdp->width].flags & AR_DF_SPARE) && 489 ((blk < rdp->rebuild_lba) || 490 ((blk <= rdp->rebuild_lba) && 491 ((blk + chunk) > rdp->rebuild_lba))))) { 492 if ((rdp->disks[drv].flags & AR_DF_ONLINE) || 493 ((rdp->status & AR_S_REBUILDING) && 494 (rdp->disks[drv].flags & AR_DF_SPARE) && 495 ((blk < rdp->rebuild_lba) || 496 ((blk <= rdp->rebuild_lba) && 497 ((blk + chunk) > rdp->rebuild_lba))))) { 498 struct ata_request *mirror; 499 struct ata_composite *composite; 500 int this = drv + rdp->width; 501 502 if ((composite = ata_alloc_composite())) { 503 if ((mirror = ata_alloc_request())) { 504 if ((blk <= rdp->rebuild_lba) && 505 ((blk + chunk) > rdp->rebuild_lba)) 506 rdp->rebuild_lba = blk + chunk; 507 bcopy(request, mirror, 508 sizeof(struct ata_request)); 509 mirror->this = this; 510 mirror->dev = rdp->disks[this].dev; 511 spin_init(&composite->lock); 512 composite->residual = request->bytecount; 513 composite->wr_needed |= (1 << drv); 514 composite->wr_needed |= (1 << this); 515 composite->request[drv] = request; 516 composite->request[this] = mirror; 517 request->composite = composite; 518 mirror->composite = composite; 519 ata_raid_send_request(mirror); 520 rdp->disks[this].last_lba = 521 (u_int64_t)(bp->bio_offset >> DEV_BSHIFT) + 522 chunk; 523 } 524 else { 525 ata_free_composite(composite); 526 kprintf("DOH! ata_alloc_request failed!\n"); 527 } 528 } 529 else { 530 kprintf("DOH! ata_alloc_composite failed!\n"); 531 } 532 } 533 else 534 drv += rdp->width; 535 } 536 } 537 request->this = drv; 538 request->dev = rdp->disks[request->this].dev; 539 ata_raid_send_request(request); 540 rdp->disks[request->this].last_lba = 541 ((u_int64_t)(bp->bio_offset) >> DEV_BSHIFT) + chunk; 542 break; 543 544 case AR_T_RAID5: 545 if (((rdp->disks[drv].flags & (AR_DF_PRESENT|AR_DF_ONLINE)) == 546 (AR_DF_PRESENT|AR_DF_ONLINE) && !rdp->disks[drv].dev)) { 547 rdp->disks[drv].flags &= ~AR_DF_ONLINE; 548 change = 1; 549 } 550 if (((rdp->disks[par].flags & (AR_DF_PRESENT|AR_DF_ONLINE)) == 551 (AR_DF_PRESENT|AR_DF_ONLINE) && !rdp->disks[par].dev)) { 552 rdp->disks[par].flags &= ~AR_DF_ONLINE; 553 change = 1; 554 } 555 if (change) 556 ata_raid_config_changed(rdp, 1); 557 if (!(rdp->status & AR_S_READY)) { 558 ata_free_request(request); 559 bbp->b_flags |= B_ERROR; 560 bbp->b_error = EIO; 561 biodone(bp); 562 return(0); 563 } 564 if (rdp->status & AR_S_DEGRADED) { 565 /* do the XOR game if possible */ 566 } 567 else { 568 request->this = drv; 569 request->dev = rdp->disks[request->this].dev; 570 if (bbp->b_cmd == BUF_CMD_READ) { 571 ata_raid_send_request(request); 572 } 573 if (bbp->b_cmd == BUF_CMD_WRITE) { 574 ata_raid_send_request(request); 575 /* XXX TGEN no, I don't speak Danish either */ 576 /* 577 * sikre at l�s-modify-skriv til hver disk er atomarisk. 578 * par kopi af request 579 * l�se orgdata fra drv 580 * skriv nydata til drv 581 * l�se parorgdata fra par 582 * skriv orgdata xor parorgdata xor nydata til par 583 */ 584 } 585 } 586 break; 587 588 default: 589 kprintf("ar%d: unknown array type in ata_raid_strategy\n", rdp->lun); 590 } 591 } 592 593 return(0); 594 } 595 596 static void 597 ata_raid_done(struct ata_request *request) 598 { 599 struct ar_softc *rdp = request->driver; 600 struct ata_composite *composite = NULL; 601 struct bio *bp = request->bio; 602 struct buf *bbp = bp->bio_buf; 603 int i, mirror, finished = 0; 604 605 switch (rdp->type) { 606 case AR_T_JBOD: 607 case AR_T_SPAN: 608 case AR_T_RAID0: 609 if (request->result) { 610 rdp->disks[request->this].flags &= ~AR_DF_ONLINE; 611 ata_raid_config_changed(rdp, 1); 612 bbp->b_error = request->result; 613 finished = 1; 614 } 615 else { 616 bbp->b_resid -= request->donecount; 617 if (!bbp->b_resid) 618 finished = 1; 619 } 620 break; 621 622 case AR_T_RAID1: 623 case AR_T_RAID01: 624 if (request->this < rdp->width) 625 mirror = request->this + rdp->width; 626 else 627 mirror = request->this - rdp->width; 628 if (request->result) { 629 rdp->disks[request->this].flags &= ~AR_DF_ONLINE; 630 ata_raid_config_changed(rdp, 1); 631 } 632 if (rdp->status & AR_S_READY) { 633 u_int64_t blk = 0; 634 635 if (rdp->status & AR_S_REBUILDING) 636 blk = ((request->u.ata.lba / rdp->interleave) * rdp->width) * 637 rdp->interleave + (rdp->interleave * 638 (request->this % rdp->width)) + 639 request->u.ata.lba % rdp->interleave; 640 641 if (bbp->b_cmd == BUF_CMD_READ) { 642 643 /* is this a rebuild composite */ 644 if ((composite = request->composite)) { 645 spin_lock_wr(&composite->lock); 646 647 /* handle the read part of a rebuild composite */ 648 if (request->flags & ATA_R_READ) { 649 650 /* if read failed array is now broken */ 651 if (request->result) { 652 rdp->disks[request->this].flags &= ~AR_DF_ONLINE; 653 ata_raid_config_changed(rdp, 1); 654 bbp->b_error = request->result; 655 rdp->rebuild_lba = blk; 656 finished = 1; 657 } 658 659 /* good data, update how far we've gotten */ 660 else { 661 bbp->b_resid -= request->donecount; 662 composite->residual -= request->donecount; 663 if (!composite->residual) { 664 if (composite->wr_done & (1 << mirror)) 665 finished = 1; 666 } 667 } 668 } 669 670 /* handle the write part of a rebuild composite */ 671 else if (request->flags & ATA_R_WRITE) { 672 if (composite->rd_done & (1 << mirror)) { 673 if (request->result) { 674 kprintf("DOH! rebuild failed\n"); /* XXX SOS */ 675 rdp->rebuild_lba = blk; 676 } 677 if (!composite->residual) 678 finished = 1; 679 } 680 } 681 spin_unlock_wr(&composite->lock); 682 } 683 684 /* if read failed retry on the mirror */ 685 else if (request->result) { 686 request->dev = rdp->disks[mirror].dev; 687 request->flags &= ~ATA_R_TIMEOUT; 688 ata_raid_send_request(request); 689 return; 690 } 691 692 /* we have good data */ 693 else { 694 bbp->b_resid -= request->donecount; 695 if (!bbp->b_resid) 696 finished = 1; 697 } 698 } 699 else if (bbp->b_cmd == BUF_CMD_WRITE) { 700 /* do we have a mirror or rebuild to deal with ? */ 701 if ((composite = request->composite)) { 702 spin_lock_wr(&composite->lock); 703 if (composite->wr_done & (1 << mirror)) { 704 if (request->result) { 705 if (composite->request[mirror]->result) { 706 kprintf("DOH! all disks failed and got here\n"); 707 bbp->b_error = EIO; 708 } 709 if (rdp->status & AR_S_REBUILDING) { 710 rdp->rebuild_lba = blk; 711 kprintf("DOH! rebuild failed\n"); /* XXX SOS */ 712 } 713 bbp->b_resid -= 714 composite->request[mirror]->donecount; 715 composite->residual -= 716 composite->request[mirror]->donecount; 717 } 718 else { 719 bbp->b_resid -= request->donecount; 720 composite->residual -= request->donecount; 721 } 722 if (!composite->residual) 723 finished = 1; 724 } 725 spin_unlock_wr(&composite->lock); 726 } 727 /* no mirror we are done */ 728 else { 729 bbp->b_resid -= request->donecount; 730 if (!bbp->b_resid) 731 finished = 1; 732 } 733 } 734 } 735 else { 736 /* XXX TGEN bbp->b_flags |= B_ERROR; */ 737 bbp->b_error = request->result; 738 biodone(bp); 739 } 740 break; 741 742 case AR_T_RAID5: 743 if (request->result) { 744 rdp->disks[request->this].flags &= ~AR_DF_ONLINE; 745 ata_raid_config_changed(rdp, 1); 746 if (rdp->status & AR_S_READY) { 747 if (bbp->b_cmd == BUF_CMD_READ) { 748 /* do the XOR game to recover data */ 749 } 750 if (bbp->b_cmd == BUF_CMD_WRITE) { 751 /* if the parity failed we're OK sortof */ 752 /* otherwise wee need to do the XOR long dance */ 753 } 754 finished = 1; 755 } 756 else { 757 /* XXX TGEN bbp->b_flags |= B_ERROR; */ 758 bbp->b_error = request->result; 759 biodone(bp); 760 } 761 } 762 else { 763 /* did we have an XOR game going ?? */ 764 bbp->b_resid -= request->donecount; 765 if (!bbp->b_resid) 766 finished = 1; 767 } 768 break; 769 770 default: 771 kprintf("ar%d: unknown array type in ata_raid_done\n", rdp->lun); 772 } 773 774 if (finished) { 775 if ((rdp->status & AR_S_REBUILDING) && 776 rdp->rebuild_lba >= rdp->total_sectors) { 777 int disk; 778 779 for (disk = 0; disk < rdp->total_disks; disk++) { 780 if ((rdp->disks[disk].flags & 781 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE)) == 782 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE)) { 783 rdp->disks[disk].flags &= ~AR_DF_SPARE; 784 rdp->disks[disk].flags |= AR_DF_ONLINE; 785 } 786 } 787 rdp->status &= ~AR_S_REBUILDING; 788 ata_raid_config_changed(rdp, 1); 789 } 790 if (!bbp->b_resid) 791 biodone(bp); 792 } 793 794 if (composite) { 795 if (finished) { 796 /* we are done with this composite, free all resources */ 797 for (i = 0; i < 32; i++) { 798 if (composite->rd_needed & (1 << i) || 799 composite->wr_needed & (1 << i)) { 800 ata_free_request(composite->request[i]); 801 } 802 } 803 spin_uninit(&composite->lock); 804 ata_free_composite(composite); 805 } 806 } 807 else 808 ata_free_request(request); 809 } 810 811 static int 812 ata_raid_dump(struct dev_dump_args *ap) 813 { 814 struct ar_softc *rdp = ap->a_head.a_dev->si_drv1; 815 struct buf dbuf; 816 vm_paddr_t addr = 0; 817 long blkcnt; 818 int dumppages = MAXDUMPPGS; 819 int error = 0; 820 int i, disk; 821 822 blkcnt = howmany(PAGE_SIZE, ap->a_secsize); 823 824 while (ap->a_count > 0) { 825 caddr_t va = NULL; 826 827 if ((ap->a_count / blkcnt) < dumppages) 828 dumppages = ap->a_count / blkcnt; 829 830 for (i = 0; i < dumppages; ++i) { 831 vm_paddr_t a = addr + (i * PAGE_SIZE); 832 if (is_physical_memory(a)) 833 va = pmap_kenter_temporary(trunc_page(a), i); 834 else 835 va = pmap_kenter_temporary(trunc_page(0), i); 836 } 837 838 bzero(&dbuf, sizeof(struct buf)); 839 BUF_LOCKINIT(&dbuf); 840 BUF_LOCK(&dbuf, LK_EXCLUSIVE); 841 initbufbio(&dbuf); 842 /* bio_offset is byte granularity, convert block granularity a_blkno */ 843 dbuf.b_bio1.bio_offset = (off_t)(ap->a_blkno << DEV_BSHIFT); 844 dbuf.b_bio1.bio_caller_info1.ptr = (void *)rdp; 845 dbuf.b_bcount = dumppages * PAGE_SIZE; 846 dbuf.b_data = va; 847 dbuf.b_cmd = BUF_CMD_WRITE; 848 dev_dstrategy(rdp->cdev, &dbuf.b_bio1); 849 /* wait for completion, unlock the buffer, check status */ 850 if (biowait(&dbuf)) { 851 BUF_UNLOCK(&dbuf); 852 return(dbuf.b_error ? dbuf.b_error : EIO); 853 } 854 BUF_UNLOCK(&dbuf); 855 856 if (dumpstatus(addr, (off_t)ap->a_count * DEV_BSIZE) < 0) 857 return(EINTR); 858 859 ap->a_blkno += blkcnt * dumppages; 860 ap->a_count -= blkcnt * dumppages; 861 addr += PAGE_SIZE * dumppages; 862 } 863 864 /* flush subdisk buffers to media */ 865 for (disk = 0; disk < rdp->total_disks; disk++) 866 if (rdp->disks[disk].dev) 867 error |= ata_controlcmd(rdp->disks[disk].dev, ATA_FLUSHCACHE, 0, 0, 868 0); 869 return (error ? EIO : 0); 870 } 871 872 static void 873 ata_raid_config_changed(struct ar_softc *rdp, int writeback) 874 { 875 int disk, count, status; 876 877 spin_lock_wr(&rdp->lock); 878 /* set default all working mode */ 879 status = rdp->status; 880 rdp->status &= ~AR_S_DEGRADED; 881 rdp->status |= AR_S_READY; 882 883 /* make sure all lost drives are accounted for */ 884 for (disk = 0; disk < rdp->total_disks; disk++) { 885 if (!(rdp->disks[disk].flags & AR_DF_PRESENT)) 886 rdp->disks[disk].flags &= ~AR_DF_ONLINE; 887 } 888 889 /* depending on RAID type figure out our health status */ 890 switch (rdp->type) { 891 case AR_T_JBOD: 892 case AR_T_SPAN: 893 case AR_T_RAID0: 894 for (disk = 0; disk < rdp->total_disks; disk++) 895 if (!(rdp->disks[disk].flags & AR_DF_ONLINE)) 896 rdp->status &= ~AR_S_READY; 897 break; 898 899 case AR_T_RAID1: 900 case AR_T_RAID01: 901 for (disk = 0; disk < rdp->width; disk++) { 902 if (!(rdp->disks[disk].flags & AR_DF_ONLINE) && 903 !(rdp->disks[disk + rdp->width].flags & AR_DF_ONLINE)) { 904 rdp->status &= ~AR_S_READY; 905 } 906 else if (((rdp->disks[disk].flags & AR_DF_ONLINE) && 907 !(rdp->disks[disk + rdp->width].flags & AR_DF_ONLINE)) || 908 (!(rdp->disks[disk].flags & AR_DF_ONLINE) && 909 (rdp->disks [disk + rdp->width].flags & AR_DF_ONLINE))) { 910 rdp->status |= AR_S_DEGRADED; 911 } 912 } 913 break; 914 915 case AR_T_RAID5: 916 for (count = 0, disk = 0; disk < rdp->total_disks; disk++) { 917 if (!(rdp->disks[disk].flags & AR_DF_ONLINE)) 918 count++; 919 } 920 if (count) { 921 if (count > 1) 922 rdp->status &= ~AR_S_READY; 923 else 924 rdp->status |= AR_S_DEGRADED; 925 } 926 break; 927 default: 928 rdp->status &= ~AR_S_READY; 929 } 930 931 /* 932 * Note that when the array breaks so comes up broken we 933 * force a write of the array config to the remaining 934 * drives so that the generation will be incremented past 935 * those of the missing or failed drives (in all cases). 936 */ 937 if (rdp->status != status) { 938 if (!(rdp->status & AR_S_READY)) { 939 kprintf("ar%d: FAILURE - %s array broken\n", 940 rdp->lun, ata_raid_type(rdp)); 941 writeback = 1; 942 } 943 else if (rdp->status & AR_S_DEGRADED) { 944 if (rdp->type & (AR_T_RAID1 | AR_T_RAID01)) 945 kprintf("ar%d: WARNING - mirror", rdp->lun); 946 else 947 kprintf("ar%d: WARNING - parity", rdp->lun); 948 kprintf(" protection lost. %s array in DEGRADED mode\n", 949 ata_raid_type(rdp)); 950 writeback = 1; 951 } 952 } 953 spin_unlock_wr(&rdp->lock); 954 if (writeback) 955 ata_raid_write_metadata(rdp); 956 957 } 958 959 static int 960 ata_raid_status(struct ata_ioc_raid_config *config) 961 { 962 struct ar_softc *rdp; 963 int i; 964 965 if (!(rdp = ata_raid_arrays[config->lun])) 966 return ENXIO; 967 968 config->type = rdp->type; 969 config->total_disks = rdp->total_disks; 970 for (i = 0; i < rdp->total_disks; i++ ) { 971 if ((rdp->disks[i].flags & AR_DF_PRESENT) && rdp->disks[i].dev) 972 config->disks[i] = device_get_unit(rdp->disks[i].dev); 973 else 974 config->disks[i] = -1; 975 } 976 config->interleave = rdp->interleave; 977 config->status = rdp->status; 978 config->progress = 100 * rdp->rebuild_lba / rdp->total_sectors; 979 return 0; 980 } 981 982 static int 983 ata_raid_create(struct ata_ioc_raid_config *config) 984 { 985 struct ar_softc *rdp; 986 device_t subdisk; 987 int array, disk; 988 int ctlr = 0, disk_size = 0, total_disks = 0; 989 990 for (array = 0; array < MAX_ARRAYS; array++) { 991 if (!ata_raid_arrays[array]) 992 break; 993 } 994 if (array >= MAX_ARRAYS) 995 return ENOSPC; 996 997 rdp = (struct ar_softc*)kmalloc(sizeof(struct ar_softc), M_AR, 998 M_WAITOK | M_ZERO); 999 1000 for (disk = 0; disk < config->total_disks; disk++) { 1001 if ((subdisk = devclass_get_device(ata_raid_sub_devclass, 1002 config->disks[disk]))) { 1003 struct ata_raid_subdisk *ars = device_get_softc(subdisk); 1004 1005 /* is device already assigned to another array ? */ 1006 if (ars->raid[rdp->volume]) { 1007 config->disks[disk] = -1; 1008 kfree(rdp, M_AR); 1009 return EBUSY; 1010 } 1011 rdp->disks[disk].dev = device_get_parent(subdisk); 1012 1013 switch (pci_get_vendor(GRANDPARENT(rdp->disks[disk].dev))) { 1014 case ATA_HIGHPOINT_ID: 1015 /* 1016 * we need some way to decide if it should be v2 or v3 1017 * for now just use v2 since the v3 BIOS knows how to 1018 * handle that as well. 1019 */ 1020 ctlr = AR_F_HPTV2_RAID; 1021 rdp->disks[disk].sectors = HPTV3_LBA(rdp->disks[disk].dev); 1022 break; 1023 1024 case ATA_INTEL_ID: 1025 ctlr = AR_F_INTEL_RAID; 1026 rdp->disks[disk].sectors = INTEL_LBA(rdp->disks[disk].dev); 1027 break; 1028 1029 case ATA_ITE_ID: 1030 ctlr = AR_F_ITE_RAID; 1031 rdp->disks[disk].sectors = ITE_LBA(rdp->disks[disk].dev); 1032 break; 1033 1034 case ATA_JMICRON_ID: 1035 ctlr = AR_F_JMICRON_RAID; 1036 rdp->disks[disk].sectors = JMICRON_LBA(rdp->disks[disk].dev); 1037 break; 1038 1039 case 0: /* XXX SOS cover up for bug in our PCI code */ 1040 case ATA_PROMISE_ID: 1041 ctlr = AR_F_PROMISE_RAID; 1042 rdp->disks[disk].sectors = PROMISE_LBA(rdp->disks[disk].dev); 1043 break; 1044 1045 case ATA_SIS_ID: 1046 ctlr = AR_F_SIS_RAID; 1047 rdp->disks[disk].sectors = SIS_LBA(rdp->disks[disk].dev); 1048 break; 1049 1050 case ATA_ATI_ID: 1051 case ATA_VIA_ID: 1052 ctlr = AR_F_VIA_RAID; 1053 rdp->disks[disk].sectors = VIA_LBA(rdp->disks[disk].dev); 1054 break; 1055 1056 default: 1057 /* XXX SOS 1058 * right, so here we are, we have an ATA chip and we want 1059 * to create a RAID and store the metadata. 1060 * we need to find a way to tell what kind of metadata this 1061 * hardware's BIOS might be using (good ideas are welcomed) 1062 * for now we just use our own native FreeBSD format. 1063 * the only way to get support for the BIOS format is to 1064 * setup the RAID from there, in that case we pickup the 1065 * metadata format from the disks (if we support it). 1066 */ 1067 kprintf("WARNING!! - not able to determine metadata format\n" 1068 "WARNING!! - Using FreeBSD PseudoRAID metadata\n" 1069 "If that is not what you want, use the BIOS to " 1070 "create the array\n"); 1071 ctlr = AR_F_FREEBSD_RAID; 1072 rdp->disks[disk].sectors = PROMISE_LBA(rdp->disks[disk].dev); 1073 break; 1074 } 1075 1076 /* we need all disks to be of the same format */ 1077 if ((rdp->format & AR_F_FORMAT_MASK) && 1078 (rdp->format & AR_F_FORMAT_MASK) != (ctlr & AR_F_FORMAT_MASK)) { 1079 kfree(rdp, M_AR); 1080 return EXDEV; 1081 } 1082 else 1083 rdp->format = ctlr; 1084 1085 /* use the smallest disk of the lots size */ 1086 /* gigabyte boundry ??? XXX SOS */ 1087 if (disk_size) 1088 disk_size = min(rdp->disks[disk].sectors, disk_size); 1089 else 1090 disk_size = rdp->disks[disk].sectors; 1091 rdp->disks[disk].flags = 1092 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 1093 1094 total_disks++; 1095 } 1096 else { 1097 config->disks[disk] = -1; 1098 kfree(rdp, M_AR); 1099 return ENXIO; 1100 } 1101 } 1102 1103 if (total_disks != config->total_disks) { 1104 kfree(rdp, M_AR); 1105 return ENODEV; 1106 } 1107 1108 switch (config->type) { 1109 case AR_T_JBOD: 1110 case AR_T_SPAN: 1111 case AR_T_RAID0: 1112 break; 1113 1114 case AR_T_RAID1: 1115 if (total_disks != 2) { 1116 kfree(rdp, M_AR); 1117 return EPERM; 1118 } 1119 break; 1120 1121 case AR_T_RAID01: 1122 if (total_disks % 2 != 0) { 1123 kfree(rdp, M_AR); 1124 return EPERM; 1125 } 1126 break; 1127 1128 case AR_T_RAID5: 1129 if (total_disks < 3) { 1130 kfree(rdp, M_AR); 1131 return EPERM; 1132 } 1133 break; 1134 1135 default: 1136 kfree(rdp, M_AR); 1137 return EOPNOTSUPP; 1138 } 1139 rdp->type = config->type; 1140 rdp->lun = array; 1141 if (rdp->type == AR_T_RAID0 || rdp->type == AR_T_RAID01 || 1142 rdp->type == AR_T_RAID5) { 1143 int bit = 0; 1144 1145 while (config->interleave >>= 1) 1146 bit++; 1147 rdp->interleave = 1 << bit; 1148 } 1149 rdp->offset_sectors = 0; 1150 1151 /* values that depend on metadata format */ 1152 switch (rdp->format) { 1153 case AR_F_ADAPTEC_RAID: 1154 rdp->interleave = min(max(32, rdp->interleave), 128); /*+*/ 1155 break; 1156 1157 case AR_F_HPTV2_RAID: 1158 rdp->interleave = min(max(8, rdp->interleave), 128); /*+*/ 1159 rdp->offset_sectors = HPTV2_LBA(x) + 1; 1160 break; 1161 1162 case AR_F_HPTV3_RAID: 1163 rdp->interleave = min(max(32, rdp->interleave), 4096); /*+*/ 1164 break; 1165 1166 case AR_F_INTEL_RAID: 1167 rdp->interleave = min(max(8, rdp->interleave), 256); /*+*/ 1168 break; 1169 1170 case AR_F_ITE_RAID: 1171 rdp->interleave = min(max(2, rdp->interleave), 128); /*+*/ 1172 break; 1173 1174 case AR_F_JMICRON_RAID: 1175 rdp->interleave = min(max(8, rdp->interleave), 256); /*+*/ 1176 break; 1177 1178 case AR_F_LSIV2_RAID: 1179 rdp->interleave = min(max(2, rdp->interleave), 4096); 1180 break; 1181 1182 case AR_F_LSIV3_RAID: 1183 rdp->interleave = min(max(2, rdp->interleave), 256); 1184 break; 1185 1186 case AR_F_PROMISE_RAID: 1187 rdp->interleave = min(max(2, rdp->interleave), 2048); /*+*/ 1188 break; 1189 1190 case AR_F_SII_RAID: 1191 rdp->interleave = min(max(8, rdp->interleave), 256); /*+*/ 1192 break; 1193 1194 case AR_F_SIS_RAID: 1195 rdp->interleave = min(max(32, rdp->interleave), 512); /*+*/ 1196 break; 1197 1198 case AR_F_VIA_RAID: 1199 rdp->interleave = min(max(8, rdp->interleave), 128); /*+*/ 1200 break; 1201 } 1202 1203 rdp->total_disks = total_disks; 1204 rdp->width = total_disks / (rdp->type & (AR_RAID1 | AR_T_RAID01) ? 2 : 1); 1205 rdp->total_sectors = disk_size * (rdp->width - (rdp->type == AR_RAID5)); 1206 rdp->heads = 255; 1207 rdp->sectors = 63; 1208 rdp->cylinders = rdp->total_sectors / (255 * 63); 1209 rdp->rebuild_lba = 0; 1210 rdp->status |= AR_S_READY; 1211 1212 /* we are committed to this array, grap the subdisks */ 1213 for (disk = 0; disk < config->total_disks; disk++) { 1214 if ((subdisk = devclass_get_device(ata_raid_sub_devclass, 1215 config->disks[disk]))) { 1216 struct ata_raid_subdisk *ars = device_get_softc(subdisk); 1217 1218 ars->raid[rdp->volume] = rdp; 1219 ars->disk_number[rdp->volume] = disk; 1220 } 1221 } 1222 ata_raid_attach(rdp, 1); 1223 ata_raid_arrays[array] = rdp; 1224 config->lun = array; 1225 return 0; 1226 } 1227 1228 static int 1229 ata_raid_delete(int array) 1230 { 1231 struct ar_softc *rdp; 1232 device_t subdisk; 1233 int disk; 1234 1235 if (!(rdp = ata_raid_arrays[array])) 1236 return ENXIO; 1237 1238 rdp->status &= ~AR_S_READY; 1239 disk_destroy(&rdp->disk); 1240 1241 for (disk = 0; disk < rdp->total_disks; disk++) { 1242 if ((rdp->disks[disk].flags & AR_DF_PRESENT) && rdp->disks[disk].dev) { 1243 if ((subdisk = devclass_get_device(ata_raid_sub_devclass, 1244 device_get_unit(rdp->disks[disk].dev)))) { 1245 struct ata_raid_subdisk *ars = device_get_softc(subdisk); 1246 1247 if (ars->raid[rdp->volume] != rdp) /* XXX SOS */ 1248 device_printf(subdisk, "DOH! this disk doesn't belong\n"); 1249 if (ars->disk_number[rdp->volume] != disk) /* XXX SOS */ 1250 device_printf(subdisk, "DOH! this disk number is wrong\n"); 1251 ars->raid[rdp->volume] = NULL; 1252 ars->disk_number[rdp->volume] = -1; 1253 } 1254 rdp->disks[disk].flags = 0; 1255 } 1256 } 1257 ata_raid_wipe_metadata(rdp); 1258 ata_raid_arrays[array] = NULL; 1259 kfree(rdp, M_AR); 1260 return 0; 1261 } 1262 1263 static int 1264 ata_raid_addspare(struct ata_ioc_raid_config *config) 1265 { 1266 struct ar_softc *rdp; 1267 device_t subdisk; 1268 int disk; 1269 1270 if (!(rdp = ata_raid_arrays[config->lun])) 1271 return ENXIO; 1272 if (!(rdp->status & AR_S_DEGRADED) || !(rdp->status & AR_S_READY)) 1273 return ENXIO; 1274 if (rdp->status & AR_S_REBUILDING) 1275 return EBUSY; 1276 switch (rdp->type) { 1277 case AR_T_RAID1: 1278 case AR_T_RAID01: 1279 case AR_T_RAID5: 1280 for (disk = 0; disk < rdp->total_disks; disk++ ) { 1281 1282 if (((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) == 1283 (AR_DF_PRESENT | AR_DF_ONLINE)) && rdp->disks[disk].dev) 1284 continue; 1285 1286 if ((subdisk = devclass_get_device(ata_raid_sub_devclass, 1287 config->disks[0] ))) { 1288 struct ata_raid_subdisk *ars = device_get_softc(subdisk); 1289 1290 if (ars->raid[rdp->volume]) 1291 return EBUSY; 1292 1293 /* XXX SOS validate size etc etc */ 1294 ars->raid[rdp->volume] = rdp; 1295 ars->disk_number[rdp->volume] = disk; 1296 rdp->disks[disk].dev = device_get_parent(subdisk); 1297 rdp->disks[disk].flags = 1298 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE); 1299 1300 device_printf(rdp->disks[disk].dev, 1301 "inserted into ar%d disk%d as spare\n", 1302 rdp->lun, disk); 1303 ata_raid_config_changed(rdp, 1); 1304 return 0; 1305 } 1306 } 1307 return ENXIO; 1308 1309 default: 1310 return EPERM; 1311 } 1312 } 1313 1314 static int 1315 ata_raid_rebuild(int array) 1316 { 1317 struct ar_softc *rdp; 1318 int disk, count; 1319 1320 if (!(rdp = ata_raid_arrays[array])) 1321 return ENXIO; 1322 /* XXX SOS we should lock the rdp softc here */ 1323 if (!(rdp->status & AR_S_DEGRADED) || !(rdp->status & AR_S_READY)) 1324 return ENXIO; 1325 if (rdp->status & AR_S_REBUILDING) 1326 return EBUSY; 1327 1328 switch (rdp->type) { 1329 case AR_T_RAID1: 1330 case AR_T_RAID01: 1331 case AR_T_RAID5: 1332 for (count = 0, disk = 0; disk < rdp->total_disks; disk++ ) { 1333 if (((rdp->disks[disk].flags & 1334 (AR_DF_PRESENT|AR_DF_ASSIGNED|AR_DF_ONLINE|AR_DF_SPARE)) == 1335 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE)) && 1336 rdp->disks[disk].dev) { 1337 count++; 1338 } 1339 } 1340 1341 if (count) { 1342 rdp->rebuild_lba = 0; 1343 rdp->status |= AR_S_REBUILDING; 1344 return 0; 1345 } 1346 return EIO; 1347 1348 default: 1349 return EPERM; 1350 } 1351 } 1352 1353 static int 1354 ata_raid_read_metadata(device_t subdisk) 1355 { 1356 devclass_t pci_devclass = devclass_find("pci"); 1357 devclass_t devclass=device_get_devclass(GRANDPARENT(GRANDPARENT(subdisk))); 1358 1359 /* prioritize vendor native metadata layout if possible */ 1360 if (devclass == pci_devclass) { 1361 switch (pci_get_vendor(GRANDPARENT(device_get_parent(subdisk)))) { 1362 case ATA_HIGHPOINT_ID: 1363 if (ata_raid_hptv3_read_meta(subdisk, ata_raid_arrays)) 1364 return 0; 1365 if (ata_raid_hptv2_read_meta(subdisk, ata_raid_arrays)) 1366 return 0; 1367 break; 1368 1369 case ATA_INTEL_ID: 1370 if (ata_raid_intel_read_meta(subdisk, ata_raid_arrays)) 1371 return 0; 1372 break; 1373 1374 case ATA_ITE_ID: 1375 if (ata_raid_ite_read_meta(subdisk, ata_raid_arrays)) 1376 return 0; 1377 break; 1378 1379 case ATA_JMICRON_ID: 1380 if (ata_raid_jmicron_read_meta(subdisk, ata_raid_arrays)) 1381 return 0; 1382 break; 1383 1384 case ATA_NVIDIA_ID: 1385 if (ata_raid_nvidia_read_meta(subdisk, ata_raid_arrays)) 1386 return 0; 1387 break; 1388 1389 case 0: /* XXX SOS cover up for bug in our PCI code */ 1390 case ATA_PROMISE_ID: 1391 if (ata_raid_promise_read_meta(subdisk, ata_raid_arrays, 0)) 1392 return 0; 1393 break; 1394 1395 case ATA_ATI_ID: 1396 case ATA_SILICON_IMAGE_ID: 1397 if (ata_raid_sii_read_meta(subdisk, ata_raid_arrays)) 1398 return 0; 1399 break; 1400 1401 case ATA_SIS_ID: 1402 if (ata_raid_sis_read_meta(subdisk, ata_raid_arrays)) 1403 return 0; 1404 break; 1405 1406 case ATA_VIA_ID: 1407 if (ata_raid_via_read_meta(subdisk, ata_raid_arrays)) 1408 return 0; 1409 break; 1410 } 1411 } 1412 1413 /* handle controllers that have multiple layout possibilities */ 1414 /* NOTE: the order of these are not insignificant */ 1415 1416 /* Adaptec HostRAID */ 1417 if (ata_raid_adaptec_read_meta(subdisk, ata_raid_arrays)) 1418 return 0; 1419 1420 /* LSILogic v3 and v2 */ 1421 if (ata_raid_lsiv3_read_meta(subdisk, ata_raid_arrays)) 1422 return 0; 1423 if (ata_raid_lsiv2_read_meta(subdisk, ata_raid_arrays)) 1424 return 0; 1425 1426 /* if none of the above matched, try FreeBSD native format */ 1427 return ata_raid_promise_read_meta(subdisk, ata_raid_arrays, 1); 1428 } 1429 1430 static int 1431 ata_raid_write_metadata(struct ar_softc *rdp) 1432 { 1433 switch (rdp->format) { 1434 case AR_F_FREEBSD_RAID: 1435 case AR_F_PROMISE_RAID: 1436 return ata_raid_promise_write_meta(rdp); 1437 1438 case AR_F_HPTV3_RAID: 1439 case AR_F_HPTV2_RAID: 1440 /* 1441 * always write HPT v2 metadata, the v3 BIOS knows it as well. 1442 * this is handy since we cannot know what version BIOS is on there 1443 */ 1444 return ata_raid_hptv2_write_meta(rdp); 1445 1446 case AR_F_INTEL_RAID: 1447 return ata_raid_intel_write_meta(rdp); 1448 1449 case AR_F_JMICRON_RAID: 1450 return ata_raid_jmicron_write_meta(rdp); 1451 1452 case AR_F_SIS_RAID: 1453 return ata_raid_sis_write_meta(rdp); 1454 1455 case AR_F_VIA_RAID: 1456 return ata_raid_via_write_meta(rdp); 1457 #if 0 1458 case AR_F_HPTV3_RAID: 1459 return ata_raid_hptv3_write_meta(rdp); 1460 1461 case AR_F_ADAPTEC_RAID: 1462 return ata_raid_adaptec_write_meta(rdp); 1463 1464 case AR_F_ITE_RAID: 1465 return ata_raid_ite_write_meta(rdp); 1466 1467 case AR_F_LSIV2_RAID: 1468 return ata_raid_lsiv2_write_meta(rdp); 1469 1470 case AR_F_LSIV3_RAID: 1471 return ata_raid_lsiv3_write_meta(rdp); 1472 1473 case AR_F_NVIDIA_RAID: 1474 return ata_raid_nvidia_write_meta(rdp); 1475 1476 case AR_F_SII_RAID: 1477 return ata_raid_sii_write_meta(rdp); 1478 1479 #endif 1480 default: 1481 kprintf("ar%d: writing of %s metadata is NOT supported yet\n", 1482 rdp->lun, ata_raid_format(rdp)); 1483 } 1484 return -1; 1485 } 1486 1487 static int 1488 ata_raid_wipe_metadata(struct ar_softc *rdp) 1489 { 1490 int disk, error = 0; 1491 u_int64_t lba; 1492 u_int32_t size; 1493 u_int8_t *meta; 1494 1495 for (disk = 0; disk < rdp->total_disks; disk++) { 1496 if (rdp->disks[disk].dev) { 1497 switch (rdp->format) { 1498 case AR_F_ADAPTEC_RAID: 1499 lba = ADP_LBA(rdp->disks[disk].dev); 1500 size = sizeof(struct adaptec_raid_conf); 1501 break; 1502 1503 case AR_F_HPTV2_RAID: 1504 lba = HPTV2_LBA(rdp->disks[disk].dev); 1505 size = sizeof(struct hptv2_raid_conf); 1506 break; 1507 1508 case AR_F_HPTV3_RAID: 1509 lba = HPTV3_LBA(rdp->disks[disk].dev); 1510 size = sizeof(struct hptv3_raid_conf); 1511 break; 1512 1513 case AR_F_INTEL_RAID: 1514 lba = INTEL_LBA(rdp->disks[disk].dev); 1515 size = 3 * 512; /* XXX SOS */ 1516 break; 1517 1518 case AR_F_ITE_RAID: 1519 lba = ITE_LBA(rdp->disks[disk].dev); 1520 size = sizeof(struct ite_raid_conf); 1521 break; 1522 1523 case AR_F_JMICRON_RAID: 1524 lba = JMICRON_LBA(rdp->disks[disk].dev); 1525 size = sizeof(struct jmicron_raid_conf); 1526 break; 1527 1528 case AR_F_LSIV2_RAID: 1529 lba = LSIV2_LBA(rdp->disks[disk].dev); 1530 size = sizeof(struct lsiv2_raid_conf); 1531 break; 1532 1533 case AR_F_LSIV3_RAID: 1534 lba = LSIV3_LBA(rdp->disks[disk].dev); 1535 size = sizeof(struct lsiv3_raid_conf); 1536 break; 1537 1538 case AR_F_NVIDIA_RAID: 1539 lba = NVIDIA_LBA(rdp->disks[disk].dev); 1540 size = sizeof(struct nvidia_raid_conf); 1541 break; 1542 1543 case AR_F_FREEBSD_RAID: 1544 case AR_F_PROMISE_RAID: 1545 lba = PROMISE_LBA(rdp->disks[disk].dev); 1546 size = sizeof(struct promise_raid_conf); 1547 break; 1548 1549 case AR_F_SII_RAID: 1550 lba = SII_LBA(rdp->disks[disk].dev); 1551 size = sizeof(struct sii_raid_conf); 1552 break; 1553 1554 case AR_F_SIS_RAID: 1555 lba = SIS_LBA(rdp->disks[disk].dev); 1556 size = sizeof(struct sis_raid_conf); 1557 break; 1558 1559 case AR_F_VIA_RAID: 1560 lba = VIA_LBA(rdp->disks[disk].dev); 1561 size = sizeof(struct via_raid_conf); 1562 break; 1563 1564 default: 1565 kprintf("ar%d: wiping of %s metadata is NOT supported yet\n", 1566 rdp->lun, ata_raid_format(rdp)); 1567 return ENXIO; 1568 } 1569 meta = kmalloc(size, M_AR, M_WAITOK | M_ZERO); 1570 if (ata_raid_rw(rdp->disks[disk].dev, lba, meta, size, 1571 ATA_R_WRITE | ATA_R_DIRECT)) { 1572 device_printf(rdp->disks[disk].dev, "wipe metadata failed\n"); 1573 error = EIO; 1574 } 1575 kfree(meta, M_AR); 1576 } 1577 } 1578 return error; 1579 } 1580 1581 /* Adaptec HostRAID Metadata */ 1582 static int 1583 ata_raid_adaptec_read_meta(device_t dev, struct ar_softc **raidp) 1584 { 1585 struct ata_raid_subdisk *ars = device_get_softc(dev); 1586 device_t parent = device_get_parent(dev); 1587 struct adaptec_raid_conf *meta; 1588 struct ar_softc *raid; 1589 int array, disk, retval = 0; 1590 1591 meta = (struct adaptec_raid_conf *) 1592 kmalloc(sizeof(struct adaptec_raid_conf), M_AR, M_WAITOK | M_ZERO); 1593 1594 if (ata_raid_rw(parent, ADP_LBA(parent), 1595 meta, sizeof(struct adaptec_raid_conf), ATA_R_READ)) { 1596 if (testing || bootverbose) 1597 device_printf(parent, "Adaptec read metadata failed\n"); 1598 goto adaptec_out; 1599 } 1600 1601 /* check if this is a Adaptec RAID struct */ 1602 if (meta->magic_0 != ADP_MAGIC_0 || meta->magic_3 != ADP_MAGIC_3) { 1603 if (testing || bootverbose) 1604 device_printf(parent, "Adaptec check1 failed\n"); 1605 goto adaptec_out; 1606 } 1607 1608 if (testing || bootverbose) 1609 ata_raid_adaptec_print_meta(meta); 1610 1611 /* now convert Adaptec metadata into our generic form */ 1612 for (array = 0; array < MAX_ARRAYS; array++) { 1613 if (!raidp[array]) { 1614 raidp[array] = 1615 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 1616 M_WAITOK | M_ZERO); 1617 } 1618 raid = raidp[array]; 1619 if (raid->format && (raid->format != AR_F_ADAPTEC_RAID)) 1620 continue; 1621 1622 if (raid->magic_0 && raid->magic_0 != meta->configs[0].magic_0) 1623 continue; 1624 1625 if (!meta->generation || be32toh(meta->generation) > raid->generation) { 1626 switch (meta->configs[0].type) { 1627 case ADP_T_RAID0: 1628 raid->magic_0 = meta->configs[0].magic_0; 1629 raid->type = AR_T_RAID0; 1630 raid->interleave = 1 << (meta->configs[0].stripe_shift >> 1); 1631 raid->width = be16toh(meta->configs[0].total_disks); 1632 break; 1633 1634 case ADP_T_RAID1: 1635 raid->magic_0 = meta->configs[0].magic_0; 1636 raid->type = AR_T_RAID1; 1637 raid->width = be16toh(meta->configs[0].total_disks) / 2; 1638 break; 1639 1640 default: 1641 device_printf(parent, "Adaptec unknown RAID type 0x%02x\n", 1642 meta->configs[0].type); 1643 kfree(raidp[array], M_AR); 1644 raidp[array] = NULL; 1645 goto adaptec_out; 1646 } 1647 1648 raid->format = AR_F_ADAPTEC_RAID; 1649 raid->generation = be32toh(meta->generation); 1650 raid->total_disks = be16toh(meta->configs[0].total_disks); 1651 raid->total_sectors = be32toh(meta->configs[0].sectors); 1652 raid->heads = 255; 1653 raid->sectors = 63; 1654 raid->cylinders = raid->total_sectors / (63 * 255); 1655 raid->offset_sectors = 0; 1656 raid->rebuild_lba = 0; 1657 raid->lun = array; 1658 strncpy(raid->name, meta->configs[0].name, 1659 min(sizeof(raid->name), sizeof(meta->configs[0].name))); 1660 1661 /* clear out any old info */ 1662 if (raid->generation) { 1663 for (disk = 0; disk < raid->total_disks; disk++) { 1664 raid->disks[disk].dev = NULL; 1665 raid->disks[disk].flags = 0; 1666 } 1667 } 1668 } 1669 if (be32toh(meta->generation) >= raid->generation) { 1670 struct ata_device *atadev = device_get_softc(parent); 1671 struct ata_channel *ch = device_get_softc(GRANDPARENT(dev)); 1672 int disk_number = (ch->unit << !(ch->flags & ATA_NO_SLAVE)) + 1673 ATA_DEV(atadev->unit); 1674 1675 raid->disks[disk_number].dev = parent; 1676 raid->disks[disk_number].sectors = 1677 be32toh(meta->configs[disk_number + 1].sectors); 1678 raid->disks[disk_number].flags = 1679 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 1680 ars->raid[raid->volume] = raid; 1681 ars->disk_number[raid->volume] = disk_number; 1682 retval = 1; 1683 } 1684 break; 1685 } 1686 1687 adaptec_out: 1688 kfree(meta, M_AR); 1689 return retval; 1690 } 1691 1692 /* Highpoint V2 RocketRAID Metadata */ 1693 static int 1694 ata_raid_hptv2_read_meta(device_t dev, struct ar_softc **raidp) 1695 { 1696 struct ata_raid_subdisk *ars = device_get_softc(dev); 1697 device_t parent = device_get_parent(dev); 1698 struct hptv2_raid_conf *meta; 1699 struct ar_softc *raid = NULL; 1700 int array, disk_number = 0, retval = 0; 1701 1702 meta = (struct hptv2_raid_conf *)kmalloc(sizeof(struct hptv2_raid_conf), 1703 M_AR, M_WAITOK | M_ZERO); 1704 1705 if (ata_raid_rw(parent, HPTV2_LBA(parent), 1706 meta, sizeof(struct hptv2_raid_conf), ATA_R_READ)) { 1707 if (testing || bootverbose) 1708 device_printf(parent, "HighPoint (v2) read metadata failed\n"); 1709 goto hptv2_out; 1710 } 1711 1712 /* check if this is a HighPoint v2 RAID struct */ 1713 if (meta->magic != HPTV2_MAGIC_OK && meta->magic != HPTV2_MAGIC_BAD) { 1714 if (testing || bootverbose) 1715 device_printf(parent, "HighPoint (v2) check1 failed\n"); 1716 goto hptv2_out; 1717 } 1718 1719 /* is this disk defined, or an old leftover/spare ? */ 1720 if (!meta->magic_0) { 1721 if (testing || bootverbose) 1722 device_printf(parent, "HighPoint (v2) check2 failed\n"); 1723 goto hptv2_out; 1724 } 1725 1726 if (testing || bootverbose) 1727 ata_raid_hptv2_print_meta(meta); 1728 1729 /* now convert HighPoint (v2) metadata into our generic form */ 1730 for (array = 0; array < MAX_ARRAYS; array++) { 1731 if (!raidp[array]) { 1732 raidp[array] = 1733 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 1734 M_WAITOK | M_ZERO); 1735 } 1736 raid = raidp[array]; 1737 if (raid->format && (raid->format != AR_F_HPTV2_RAID)) 1738 continue; 1739 1740 switch (meta->type) { 1741 case HPTV2_T_RAID0: 1742 if ((meta->order & (HPTV2_O_RAID0|HPTV2_O_OK)) == 1743 (HPTV2_O_RAID0|HPTV2_O_OK)) 1744 goto highpoint_raid1; 1745 if (meta->order & (HPTV2_O_RAID0 | HPTV2_O_RAID1)) 1746 goto highpoint_raid01; 1747 if (raid->magic_0 && raid->magic_0 != meta->magic_0) 1748 continue; 1749 raid->magic_0 = meta->magic_0; 1750 raid->type = AR_T_RAID0; 1751 raid->interleave = 1 << meta->stripe_shift; 1752 disk_number = meta->disk_number; 1753 if (!(meta->order & HPTV2_O_OK)) 1754 meta->magic = 0; /* mark bad */ 1755 break; 1756 1757 case HPTV2_T_RAID1: 1758 highpoint_raid1: 1759 if (raid->magic_0 && raid->magic_0 != meta->magic_0) 1760 continue; 1761 raid->magic_0 = meta->magic_0; 1762 raid->type = AR_T_RAID1; 1763 disk_number = (meta->disk_number > 0); 1764 break; 1765 1766 case HPTV2_T_RAID01_RAID0: 1767 highpoint_raid01: 1768 if (meta->order & HPTV2_O_RAID0) { 1769 if ((raid->magic_0 && raid->magic_0 != meta->magic_0) || 1770 (raid->magic_1 && raid->magic_1 != meta->magic_1)) 1771 continue; 1772 raid->magic_0 = meta->magic_0; 1773 raid->magic_1 = meta->magic_1; 1774 raid->type = AR_T_RAID01; 1775 raid->interleave = 1 << meta->stripe_shift; 1776 disk_number = meta->disk_number; 1777 } 1778 else { 1779 if (raid->magic_1 && raid->magic_1 != meta->magic_1) 1780 continue; 1781 raid->magic_1 = meta->magic_1; 1782 raid->type = AR_T_RAID01; 1783 raid->interleave = 1 << meta->stripe_shift; 1784 disk_number = meta->disk_number + meta->array_width; 1785 if (!(meta->order & HPTV2_O_RAID1)) 1786 meta->magic = 0; /* mark bad */ 1787 } 1788 break; 1789 1790 case HPTV2_T_SPAN: 1791 if (raid->magic_0 && raid->magic_0 != meta->magic_0) 1792 continue; 1793 raid->magic_0 = meta->magic_0; 1794 raid->type = AR_T_SPAN; 1795 disk_number = meta->disk_number; 1796 break; 1797 1798 default: 1799 device_printf(parent, "Highpoint (v2) unknown RAID type 0x%02x\n", 1800 meta->type); 1801 kfree(raidp[array], M_AR); 1802 raidp[array] = NULL; 1803 goto hptv2_out; 1804 } 1805 1806 raid->format |= AR_F_HPTV2_RAID; 1807 raid->disks[disk_number].dev = parent; 1808 raid->disks[disk_number].flags = (AR_DF_PRESENT | AR_DF_ASSIGNED); 1809 raid->lun = array; 1810 strncpy(raid->name, meta->name_1, 1811 min(sizeof(raid->name), sizeof(meta->name_1))); 1812 if (meta->magic == HPTV2_MAGIC_OK) { 1813 raid->disks[disk_number].flags |= AR_DF_ONLINE; 1814 raid->width = meta->array_width; 1815 raid->total_sectors = meta->total_sectors; 1816 raid->heads = 255; 1817 raid->sectors = 63; 1818 raid->cylinders = raid->total_sectors / (63 * 255); 1819 raid->offset_sectors = HPTV2_LBA(parent) + 1; 1820 raid->rebuild_lba = meta->rebuild_lba; 1821 raid->disks[disk_number].sectors = 1822 raid->total_sectors / raid->width; 1823 } 1824 else 1825 raid->disks[disk_number].flags &= ~AR_DF_ONLINE; 1826 1827 if ((raid->type & AR_T_RAID0) && (raid->total_disks < raid->width)) 1828 raid->total_disks = raid->width; 1829 if (disk_number >= raid->total_disks) 1830 raid->total_disks = disk_number + 1; 1831 ars->raid[raid->volume] = raid; 1832 ars->disk_number[raid->volume] = disk_number; 1833 retval = 1; 1834 break; 1835 } 1836 1837 hptv2_out: 1838 kfree(meta, M_AR); 1839 return retval; 1840 } 1841 1842 static int 1843 ata_raid_hptv2_write_meta(struct ar_softc *rdp) 1844 { 1845 struct hptv2_raid_conf *meta; 1846 struct timeval timestamp; 1847 int disk, error = 0; 1848 1849 meta = (struct hptv2_raid_conf *)kmalloc(sizeof(struct hptv2_raid_conf), 1850 M_AR, M_WAITOK | M_ZERO); 1851 1852 microtime(×tamp); 1853 rdp->magic_0 = timestamp.tv_sec + 2; 1854 rdp->magic_1 = timestamp.tv_sec; 1855 1856 for (disk = 0; disk < rdp->total_disks; disk++) { 1857 if ((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) == 1858 (AR_DF_PRESENT | AR_DF_ONLINE)) 1859 meta->magic = HPTV2_MAGIC_OK; 1860 if (rdp->disks[disk].flags & AR_DF_ASSIGNED) { 1861 meta->magic_0 = rdp->magic_0; 1862 if (strlen(rdp->name)) 1863 strncpy(meta->name_1, rdp->name, sizeof(meta->name_1)); 1864 else 1865 strcpy(meta->name_1, "FreeBSD"); 1866 } 1867 meta->disk_number = disk; 1868 1869 switch (rdp->type) { 1870 case AR_T_RAID0: 1871 meta->type = HPTV2_T_RAID0; 1872 strcpy(meta->name_2, "RAID 0"); 1873 if (rdp->disks[disk].flags & AR_DF_ONLINE) 1874 meta->order = HPTV2_O_OK; 1875 break; 1876 1877 case AR_T_RAID1: 1878 meta->type = HPTV2_T_RAID0; 1879 strcpy(meta->name_2, "RAID 1"); 1880 meta->disk_number = (disk < rdp->width) ? disk : disk + 5; 1881 meta->order = HPTV2_O_RAID0 | HPTV2_O_OK; 1882 break; 1883 1884 case AR_T_RAID01: 1885 meta->type = HPTV2_T_RAID01_RAID0; 1886 strcpy(meta->name_2, "RAID 0+1"); 1887 if (rdp->disks[disk].flags & AR_DF_ONLINE) { 1888 if (disk < rdp->width) { 1889 meta->order = (HPTV2_O_RAID0 | HPTV2_O_RAID1); 1890 meta->magic_0 = rdp->magic_0 - 1; 1891 } 1892 else { 1893 meta->order = HPTV2_O_RAID1; 1894 meta->disk_number -= rdp->width; 1895 } 1896 } 1897 else 1898 meta->magic_0 = rdp->magic_0 - 1; 1899 meta->magic_1 = rdp->magic_1; 1900 break; 1901 1902 case AR_T_SPAN: 1903 meta->type = HPTV2_T_SPAN; 1904 strcpy(meta->name_2, "SPAN"); 1905 break; 1906 default: 1907 kfree(meta, M_AR); 1908 return ENODEV; 1909 } 1910 1911 meta->array_width = rdp->width; 1912 meta->stripe_shift = (rdp->width > 1) ? (ffs(rdp->interleave)-1) : 0; 1913 meta->total_sectors = rdp->total_sectors; 1914 meta->rebuild_lba = rdp->rebuild_lba; 1915 if (testing || bootverbose) 1916 ata_raid_hptv2_print_meta(meta); 1917 if (rdp->disks[disk].dev) { 1918 if (ata_raid_rw(rdp->disks[disk].dev, 1919 HPTV2_LBA(rdp->disks[disk].dev), meta, 1920 sizeof(struct promise_raid_conf), 1921 ATA_R_WRITE | ATA_R_DIRECT)) { 1922 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 1923 error = EIO; 1924 } 1925 } 1926 } 1927 kfree(meta, M_AR); 1928 return error; 1929 } 1930 1931 /* Highpoint V3 RocketRAID Metadata */ 1932 static int 1933 ata_raid_hptv3_read_meta(device_t dev, struct ar_softc **raidp) 1934 { 1935 struct ata_raid_subdisk *ars = device_get_softc(dev); 1936 device_t parent = device_get_parent(dev); 1937 struct hptv3_raid_conf *meta; 1938 struct ar_softc *raid = NULL; 1939 int array, disk_number, retval = 0; 1940 1941 meta = (struct hptv3_raid_conf *)kmalloc(sizeof(struct hptv3_raid_conf), 1942 M_AR, M_WAITOK | M_ZERO); 1943 1944 if (ata_raid_rw(parent, HPTV3_LBA(parent), 1945 meta, sizeof(struct hptv3_raid_conf), ATA_R_READ)) { 1946 if (testing || bootverbose) 1947 device_printf(parent, "HighPoint (v3) read metadata failed\n"); 1948 goto hptv3_out; 1949 } 1950 1951 /* check if this is a HighPoint v3 RAID struct */ 1952 if (meta->magic != HPTV3_MAGIC) { 1953 if (testing || bootverbose) 1954 device_printf(parent, "HighPoint (v3) check1 failed\n"); 1955 goto hptv3_out; 1956 } 1957 1958 /* check if there are any config_entries */ 1959 if (meta->config_entries < 1) { 1960 if (testing || bootverbose) 1961 device_printf(parent, "HighPoint (v3) check2 failed\n"); 1962 goto hptv3_out; 1963 } 1964 1965 if (testing || bootverbose) 1966 ata_raid_hptv3_print_meta(meta); 1967 1968 /* now convert HighPoint (v3) metadata into our generic form */ 1969 for (array = 0; array < MAX_ARRAYS; array++) { 1970 if (!raidp[array]) { 1971 raidp[array] = 1972 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 1973 M_WAITOK | M_ZERO); 1974 } 1975 raid = raidp[array]; 1976 if (raid->format && (raid->format != AR_F_HPTV3_RAID)) 1977 continue; 1978 1979 if ((raid->format & AR_F_HPTV3_RAID) && raid->magic_0 != meta->magic_0) 1980 continue; 1981 1982 switch (meta->configs[0].type) { 1983 case HPTV3_T_RAID0: 1984 raid->type = AR_T_RAID0; 1985 raid->width = meta->configs[0].total_disks; 1986 disk_number = meta->configs[0].disk_number; 1987 break; 1988 1989 case HPTV3_T_RAID1: 1990 raid->type = AR_T_RAID1; 1991 raid->width = meta->configs[0].total_disks / 2; 1992 disk_number = meta->configs[0].disk_number; 1993 break; 1994 1995 case HPTV3_T_RAID5: 1996 raid->type = AR_T_RAID5; 1997 raid->width = meta->configs[0].total_disks; 1998 disk_number = meta->configs[0].disk_number; 1999 break; 2000 2001 case HPTV3_T_SPAN: 2002 raid->type = AR_T_SPAN; 2003 raid->width = meta->configs[0].total_disks; 2004 disk_number = meta->configs[0].disk_number; 2005 break; 2006 2007 default: 2008 device_printf(parent, "Highpoint (v3) unknown RAID type 0x%02x\n", 2009 meta->configs[0].type); 2010 kfree(raidp[array], M_AR); 2011 raidp[array] = NULL; 2012 goto hptv3_out; 2013 } 2014 if (meta->config_entries == 2) { 2015 switch (meta->configs[1].type) { 2016 case HPTV3_T_RAID1: 2017 if (raid->type == AR_T_RAID0) { 2018 raid->type = AR_T_RAID01; 2019 disk_number = meta->configs[1].disk_number + 2020 (meta->configs[0].disk_number << 1); 2021 break; 2022 } 2023 default: 2024 device_printf(parent, "Highpoint (v3) unknown level 2 0x%02x\n", 2025 meta->configs[1].type); 2026 kfree(raidp[array], M_AR); 2027 raidp[array] = NULL; 2028 goto hptv3_out; 2029 } 2030 } 2031 2032 raid->magic_0 = meta->magic_0; 2033 raid->format = AR_F_HPTV3_RAID; 2034 raid->generation = meta->timestamp; 2035 raid->interleave = 1 << meta->configs[0].stripe_shift; 2036 raid->total_disks = meta->configs[0].total_disks + 2037 meta->configs[1].total_disks; 2038 raid->total_sectors = meta->configs[0].total_sectors + 2039 ((u_int64_t)meta->configs_high[0].total_sectors << 32); 2040 raid->heads = 255; 2041 raid->sectors = 63; 2042 raid->cylinders = raid->total_sectors / (63 * 255); 2043 raid->offset_sectors = 0; 2044 raid->rebuild_lba = meta->configs[0].rebuild_lba + 2045 ((u_int64_t)meta->configs_high[0].rebuild_lba << 32); 2046 raid->lun = array; 2047 strncpy(raid->name, meta->name, 2048 min(sizeof(raid->name), sizeof(meta->name))); 2049 raid->disks[disk_number].sectors = raid->total_sectors / 2050 (raid->type == AR_T_RAID5 ? raid->width - 1 : raid->width); 2051 raid->disks[disk_number].dev = parent; 2052 raid->disks[disk_number].flags = 2053 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 2054 ars->raid[raid->volume] = raid; 2055 ars->disk_number[raid->volume] = disk_number; 2056 retval = 1; 2057 break; 2058 } 2059 2060 hptv3_out: 2061 kfree(meta, M_AR); 2062 return retval; 2063 } 2064 2065 /* Intel MatrixRAID Metadata */ 2066 static int 2067 ata_raid_intel_read_meta(device_t dev, struct ar_softc **raidp) 2068 { 2069 struct ata_raid_subdisk *ars = device_get_softc(dev); 2070 device_t parent = device_get_parent(dev); 2071 struct intel_raid_conf *meta; 2072 struct intel_raid_mapping *map; 2073 struct ar_softc *raid = NULL; 2074 u_int32_t checksum, *ptr; 2075 int array, count, disk, volume = 1, retval = 0; 2076 char *tmp; 2077 2078 meta = (struct intel_raid_conf *)kmalloc(1536, M_AR, M_WAITOK | M_ZERO); 2079 2080 if (ata_raid_rw(parent, INTEL_LBA(parent), meta, 1024, ATA_R_READ)) { 2081 if (testing || bootverbose) 2082 device_printf(parent, "Intel read metadata failed\n"); 2083 goto intel_out; 2084 } 2085 tmp = (char *)meta; 2086 bcopy(tmp, tmp+1024, 512); 2087 bcopy(tmp+512, tmp, 1024); 2088 bzero(tmp+1024, 512); 2089 2090 /* check if this is a Intel RAID struct */ 2091 if (strncmp(meta->intel_id, INTEL_MAGIC, strlen(INTEL_MAGIC))) { 2092 if (testing || bootverbose) 2093 device_printf(parent, "Intel check1 failed\n"); 2094 goto intel_out; 2095 } 2096 2097 for (checksum = 0, ptr = (u_int32_t *)meta, count = 0; 2098 count < (meta->config_size / sizeof(u_int32_t)); count++) { 2099 checksum += *ptr++; 2100 } 2101 checksum -= meta->checksum; 2102 if (checksum != meta->checksum) { 2103 if (testing || bootverbose) 2104 device_printf(parent, "Intel check2 failed\n"); 2105 goto intel_out; 2106 } 2107 2108 if (testing || bootverbose) 2109 ata_raid_intel_print_meta(meta); 2110 2111 map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks]; 2112 2113 /* now convert Intel metadata into our generic form */ 2114 for (array = 0; array < MAX_ARRAYS; array++) { 2115 if (!raidp[array]) { 2116 raidp[array] = 2117 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2118 M_WAITOK | M_ZERO); 2119 } 2120 raid = raidp[array]; 2121 if (raid->format && (raid->format != AR_F_INTEL_RAID)) 2122 continue; 2123 2124 if ((raid->format & AR_F_INTEL_RAID) && 2125 (raid->magic_0 != meta->config_id)) 2126 continue; 2127 2128 /* 2129 * update our knowledge about the array config based on generation 2130 * NOTE: there can be multiple volumes on a disk set 2131 */ 2132 if (!meta->generation || meta->generation > raid->generation) { 2133 switch (map->type) { 2134 case INTEL_T_RAID0: 2135 raid->type = AR_T_RAID0; 2136 raid->width = map->total_disks; 2137 break; 2138 2139 case INTEL_T_RAID1: 2140 if (map->total_disks == 4) 2141 raid->type = AR_T_RAID01; 2142 else 2143 raid->type = AR_T_RAID1; 2144 raid->width = map->total_disks / 2; 2145 break; 2146 2147 case INTEL_T_RAID5: 2148 raid->type = AR_T_RAID5; 2149 raid->width = map->total_disks; 2150 break; 2151 2152 default: 2153 device_printf(parent, "Intel unknown RAID type 0x%02x\n", 2154 map->type); 2155 kfree(raidp[array], M_AR); 2156 raidp[array] = NULL; 2157 goto intel_out; 2158 } 2159 2160 switch (map->status) { 2161 case INTEL_S_READY: 2162 raid->status = AR_S_READY; 2163 break; 2164 case INTEL_S_DEGRADED: 2165 raid->status |= AR_S_DEGRADED; 2166 break; 2167 case INTEL_S_DISABLED: 2168 case INTEL_S_FAILURE: 2169 raid->status = 0; 2170 } 2171 2172 raid->magic_0 = meta->config_id; 2173 raid->format = AR_F_INTEL_RAID; 2174 raid->generation = meta->generation; 2175 raid->interleave = map->stripe_sectors; 2176 raid->total_disks = map->total_disks; 2177 raid->total_sectors = map->total_sectors; 2178 raid->heads = 255; 2179 raid->sectors = 63; 2180 raid->cylinders = raid->total_sectors / (63 * 255); 2181 raid->offset_sectors = map->offset; 2182 raid->rebuild_lba = 0; 2183 raid->lun = array; 2184 raid->volume = volume - 1; 2185 strncpy(raid->name, map->name, 2186 min(sizeof(raid->name), sizeof(map->name))); 2187 2188 /* clear out any old info */ 2189 for (disk = 0; disk < raid->total_disks; disk++) { 2190 raid->disks[disk].dev = NULL; 2191 bcopy(meta->disk[map->disk_idx[disk]].serial, 2192 raid->disks[disk].serial, 2193 sizeof(raid->disks[disk].serial)); 2194 raid->disks[disk].sectors = 2195 meta->disk[map->disk_idx[disk]].sectors; 2196 raid->disks[disk].flags = 0; 2197 if (meta->disk[map->disk_idx[disk]].flags & INTEL_F_ONLINE) 2198 raid->disks[disk].flags |= AR_DF_ONLINE; 2199 if (meta->disk[map->disk_idx[disk]].flags & INTEL_F_ASSIGNED) 2200 raid->disks[disk].flags |= AR_DF_ASSIGNED; 2201 if (meta->disk[map->disk_idx[disk]].flags & INTEL_F_SPARE) { 2202 raid->disks[disk].flags &= ~(AR_DF_ONLINE | AR_DF_ASSIGNED); 2203 raid->disks[disk].flags |= AR_DF_SPARE; 2204 } 2205 if (meta->disk[map->disk_idx[disk]].flags & INTEL_F_DOWN) 2206 raid->disks[disk].flags &= ~AR_DF_ONLINE; 2207 } 2208 } 2209 if (meta->generation >= raid->generation) { 2210 for (disk = 0; disk < raid->total_disks; disk++) { 2211 struct ata_device *atadev = device_get_softc(parent); 2212 2213 if (!strncmp(raid->disks[disk].serial, atadev->param.serial, 2214 sizeof(raid->disks[disk].serial))) { 2215 raid->disks[disk].dev = parent; 2216 raid->disks[disk].flags |= (AR_DF_PRESENT | AR_DF_ONLINE); 2217 ars->raid[raid->volume] = raid; 2218 ars->disk_number[raid->volume] = disk; 2219 retval = 1; 2220 } 2221 } 2222 } 2223 else 2224 goto intel_out; 2225 2226 if (retval) { 2227 if (volume < meta->total_volumes) { 2228 map = (struct intel_raid_mapping *) 2229 &map->disk_idx[map->total_disks]; 2230 volume++; 2231 retval = 0; 2232 continue; 2233 } 2234 break; 2235 } 2236 else { 2237 kfree(raidp[array], M_AR); 2238 raidp[array] = NULL; 2239 if (volume == 2) 2240 retval = 1; 2241 } 2242 } 2243 2244 intel_out: 2245 kfree(meta, M_AR); 2246 return retval; 2247 } 2248 2249 static int 2250 ata_raid_intel_write_meta(struct ar_softc *rdp) 2251 { 2252 struct intel_raid_conf *meta; 2253 struct intel_raid_mapping *map; 2254 struct timeval timestamp; 2255 u_int32_t checksum, *ptr; 2256 int count, disk, error = 0; 2257 char *tmp; 2258 2259 meta = (struct intel_raid_conf *)kmalloc(1536, M_AR, M_WAITOK | M_ZERO); 2260 2261 rdp->generation++; 2262 2263 /* Generate a new config_id if none exists */ 2264 if (!rdp->magic_0) { 2265 microtime(×tamp); 2266 rdp->magic_0 = timestamp.tv_sec ^ timestamp.tv_usec; 2267 } 2268 2269 bcopy(INTEL_MAGIC, meta->intel_id, sizeof(meta->intel_id)); 2270 bcopy(INTEL_VERSION_1100, meta->version, sizeof(meta->version)); 2271 meta->config_id = rdp->magic_0; 2272 meta->generation = rdp->generation; 2273 meta->total_disks = rdp->total_disks; 2274 meta->total_volumes = 1; /* XXX SOS */ 2275 for (disk = 0; disk < rdp->total_disks; disk++) { 2276 if (rdp->disks[disk].dev) { 2277 struct ata_channel *ch = 2278 device_get_softc(device_get_parent(rdp->disks[disk].dev)); 2279 struct ata_device *atadev = 2280 device_get_softc(rdp->disks[disk].dev); 2281 2282 bcopy(atadev->param.serial, meta->disk[disk].serial, 2283 sizeof(rdp->disks[disk].serial)); 2284 meta->disk[disk].sectors = rdp->disks[disk].sectors; 2285 meta->disk[disk].id = (ch->unit << 16) | ATA_DEV(atadev->unit); 2286 } 2287 else 2288 meta->disk[disk].sectors = rdp->total_sectors / rdp->width; 2289 meta->disk[disk].flags = 0; 2290 if (rdp->disks[disk].flags & AR_DF_SPARE) 2291 meta->disk[disk].flags |= INTEL_F_SPARE; 2292 else { 2293 if (rdp->disks[disk].flags & AR_DF_ONLINE) 2294 meta->disk[disk].flags |= INTEL_F_ONLINE; 2295 else 2296 meta->disk[disk].flags |= INTEL_F_DOWN; 2297 if (rdp->disks[disk].flags & AR_DF_ASSIGNED) 2298 meta->disk[disk].flags |= INTEL_F_ASSIGNED; 2299 } 2300 } 2301 map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks]; 2302 2303 bcopy(rdp->name, map->name, sizeof(rdp->name)); 2304 map->total_sectors = rdp->total_sectors; 2305 map->state = 12; /* XXX SOS */ 2306 map->offset = rdp->offset_sectors; 2307 map->stripe_count = rdp->total_sectors / (rdp->interleave*rdp->total_disks); 2308 map->stripe_sectors = rdp->interleave; 2309 map->disk_sectors = rdp->total_sectors / rdp->width; 2310 map->status = INTEL_S_READY; /* XXX SOS */ 2311 switch (rdp->type) { 2312 case AR_T_RAID0: 2313 map->type = INTEL_T_RAID0; 2314 break; 2315 case AR_T_RAID1: 2316 map->type = INTEL_T_RAID1; 2317 break; 2318 case AR_T_RAID01: 2319 map->type = INTEL_T_RAID1; 2320 break; 2321 case AR_T_RAID5: 2322 map->type = INTEL_T_RAID5; 2323 break; 2324 default: 2325 kfree(meta, M_AR); 2326 return ENODEV; 2327 } 2328 map->total_disks = rdp->total_disks; 2329 map->magic[0] = 0x02; 2330 map->magic[1] = 0xff; 2331 map->magic[2] = 0x01; 2332 for (disk = 0; disk < rdp->total_disks; disk++) 2333 map->disk_idx[disk] = disk; 2334 2335 meta->config_size = (char *)&map->disk_idx[disk] - (char *)meta; 2336 for (checksum = 0, ptr = (u_int32_t *)meta, count = 0; 2337 count < (meta->config_size / sizeof(u_int32_t)); count++) { 2338 checksum += *ptr++; 2339 } 2340 meta->checksum = checksum; 2341 2342 if (testing || bootverbose) 2343 ata_raid_intel_print_meta(meta); 2344 2345 tmp = (char *)meta; 2346 bcopy(tmp, tmp+1024, 512); 2347 bcopy(tmp+512, tmp, 1024); 2348 bzero(tmp+1024, 512); 2349 2350 for (disk = 0; disk < rdp->total_disks; disk++) { 2351 if (rdp->disks[disk].dev) { 2352 if (ata_raid_rw(rdp->disks[disk].dev, 2353 INTEL_LBA(rdp->disks[disk].dev), 2354 meta, 1024, ATA_R_WRITE | ATA_R_DIRECT)) { 2355 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 2356 error = EIO; 2357 } 2358 } 2359 } 2360 kfree(meta, M_AR); 2361 return error; 2362 } 2363 2364 2365 /* Integrated Technology Express Metadata */ 2366 static int 2367 ata_raid_ite_read_meta(device_t dev, struct ar_softc **raidp) 2368 { 2369 struct ata_raid_subdisk *ars = device_get_softc(dev); 2370 device_t parent = device_get_parent(dev); 2371 struct ite_raid_conf *meta; 2372 struct ar_softc *raid = NULL; 2373 int array, disk_number, count, retval = 0; 2374 u_int16_t *ptr; 2375 2376 meta = (struct ite_raid_conf *)kmalloc(sizeof(struct ite_raid_conf), M_AR, 2377 M_WAITOK | M_ZERO); 2378 2379 if (ata_raid_rw(parent, ITE_LBA(parent), 2380 meta, sizeof(struct ite_raid_conf), ATA_R_READ)) { 2381 if (testing || bootverbose) 2382 device_printf(parent, "ITE read metadata failed\n"); 2383 goto ite_out; 2384 } 2385 2386 /* check if this is a ITE RAID struct */ 2387 for (ptr = (u_int16_t *)meta->ite_id, count = 0; 2388 count < sizeof(meta->ite_id)/sizeof(uint16_t); count++) 2389 ptr[count] = be16toh(ptr[count]); 2390 2391 if (strncmp(meta->ite_id, ITE_MAGIC, strlen(ITE_MAGIC))) { 2392 if (testing || bootverbose) 2393 device_printf(parent, "ITE check1 failed\n"); 2394 goto ite_out; 2395 } 2396 2397 if (testing || bootverbose) 2398 ata_raid_ite_print_meta(meta); 2399 2400 /* now convert ITE metadata into our generic form */ 2401 for (array = 0; array < MAX_ARRAYS; array++) { 2402 if ((raid = raidp[array])) { 2403 if (raid->format != AR_F_ITE_RAID) 2404 continue; 2405 if (raid->magic_0 != *((u_int64_t *)meta->timestamp_0)) 2406 continue; 2407 } 2408 2409 /* if we dont have a disks timestamp the RAID is invalidated */ 2410 if (*((u_int64_t *)meta->timestamp_1) == 0) 2411 goto ite_out; 2412 2413 if (!raid) { 2414 raidp[array] = (struct ar_softc *)kmalloc(sizeof(struct ar_softc), 2415 M_AR, M_WAITOK | M_ZERO); 2416 } 2417 2418 switch (meta->type) { 2419 case ITE_T_RAID0: 2420 raid->type = AR_T_RAID0; 2421 raid->width = meta->array_width; 2422 raid->total_disks = meta->array_width; 2423 disk_number = meta->disk_number; 2424 break; 2425 2426 case ITE_T_RAID1: 2427 raid->type = AR_T_RAID1; 2428 raid->width = 1; 2429 raid->total_disks = 2; 2430 disk_number = meta->disk_number; 2431 break; 2432 2433 case ITE_T_RAID01: 2434 raid->type = AR_T_RAID01; 2435 raid->width = meta->array_width; 2436 raid->total_disks = 4; 2437 disk_number = ((meta->disk_number & 0x02) >> 1) | 2438 ((meta->disk_number & 0x01) << 1); 2439 break; 2440 2441 case ITE_T_SPAN: 2442 raid->type = AR_T_SPAN; 2443 raid->width = 1; 2444 raid->total_disks = meta->array_width; 2445 disk_number = meta->disk_number; 2446 break; 2447 2448 default: 2449 device_printf(parent, "ITE unknown RAID type 0x%02x\n", meta->type); 2450 kfree(raidp[array], M_AR); 2451 raidp[array] = NULL; 2452 goto ite_out; 2453 } 2454 2455 raid->magic_0 = *((u_int64_t *)meta->timestamp_0); 2456 raid->format = AR_F_ITE_RAID; 2457 raid->generation = 0; 2458 raid->interleave = meta->stripe_sectors; 2459 raid->total_sectors = meta->total_sectors; 2460 raid->heads = 255; 2461 raid->sectors = 63; 2462 raid->cylinders = raid->total_sectors / (63 * 255); 2463 raid->offset_sectors = 0; 2464 raid->rebuild_lba = 0; 2465 raid->lun = array; 2466 2467 raid->disks[disk_number].dev = parent; 2468 raid->disks[disk_number].sectors = raid->total_sectors / raid->width; 2469 raid->disks[disk_number].flags = 2470 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 2471 ars->raid[raid->volume] = raid; 2472 ars->disk_number[raid->volume] = disk_number; 2473 retval = 1; 2474 break; 2475 } 2476 ite_out: 2477 kfree(meta, M_AR); 2478 return retval; 2479 } 2480 2481 /* JMicron Technology Corp Metadata */ 2482 static int 2483 ata_raid_jmicron_read_meta(device_t dev, struct ar_softc **raidp) 2484 { 2485 struct ata_raid_subdisk *ars = device_get_softc(dev); 2486 device_t parent = device_get_parent(dev); 2487 struct jmicron_raid_conf *meta; 2488 struct ar_softc *raid = NULL; 2489 u_int16_t checksum, *ptr; 2490 u_int64_t disk_size; 2491 int count, array, disk, total_disks, retval = 0; 2492 2493 meta = (struct jmicron_raid_conf *) 2494 kmalloc(sizeof(struct jmicron_raid_conf), M_AR, M_WAITOK | M_ZERO); 2495 2496 if (ata_raid_rw(parent, JMICRON_LBA(parent), 2497 meta, sizeof(struct jmicron_raid_conf), ATA_R_READ)) { 2498 if (testing || bootverbose) 2499 device_printf(parent, 2500 "JMicron read metadata failed\n"); 2501 } 2502 2503 /* check for JMicron signature */ 2504 if (strncmp(meta->signature, JMICRON_MAGIC, 2)) { 2505 if (testing || bootverbose) 2506 device_printf(parent, "JMicron check1 failed\n"); 2507 goto jmicron_out; 2508 } 2509 2510 /* calculate checksum and compare for valid */ 2511 for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 64; count++) 2512 checksum += *ptr++; 2513 if (checksum) { 2514 if (testing || bootverbose) 2515 device_printf(parent, "JMicron check2 failed\n"); 2516 goto jmicron_out; 2517 } 2518 2519 if (testing || bootverbose) 2520 ata_raid_jmicron_print_meta(meta); 2521 2522 /* now convert JMicron meta into our generic form */ 2523 for (array = 0; array < MAX_ARRAYS; array++) { 2524 jmicron_next: 2525 if (!raidp[array]) { 2526 raidp[array] = 2527 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2528 M_WAITOK | M_ZERO); 2529 } 2530 raid = raidp[array]; 2531 if (raid->format && (raid->format != AR_F_JMICRON_RAID)) 2532 continue; 2533 2534 for (total_disks = 0, disk = 0; disk < JM_MAX_DISKS; disk++) { 2535 if (meta->disks[disk]) { 2536 if (raid->format == AR_F_JMICRON_RAID) { 2537 if (bcmp(&meta->disks[disk], 2538 raid->disks[disk].serial, sizeof(u_int32_t))) { 2539 array++; 2540 goto jmicron_next; 2541 } 2542 } 2543 else 2544 bcopy(&meta->disks[disk], 2545 raid->disks[disk].serial, sizeof(u_int32_t)); 2546 total_disks++; 2547 } 2548 } 2549 /* handle spares XXX SOS */ 2550 2551 switch (meta->type) { 2552 case JM_T_RAID0: 2553 raid->type = AR_T_RAID0; 2554 raid->width = total_disks; 2555 break; 2556 2557 case JM_T_RAID1: 2558 raid->type = AR_T_RAID1; 2559 raid->width = 1; 2560 break; 2561 2562 case JM_T_RAID01: 2563 raid->type = AR_T_RAID01; 2564 raid->width = total_disks / 2; 2565 break; 2566 2567 case JM_T_RAID5: 2568 raid->type = AR_T_RAID5; 2569 raid->width = total_disks; 2570 break; 2571 2572 case JM_T_JBOD: 2573 raid->type = AR_T_SPAN; 2574 raid->width = 1; 2575 break; 2576 2577 default: 2578 device_printf(parent, 2579 "JMicron unknown RAID type 0x%02x\n", meta->type); 2580 kfree(raidp[array], M_AR); 2581 raidp[array] = NULL; 2582 goto jmicron_out; 2583 } 2584 disk_size = (meta->disk_sectors_high << 16) + meta->disk_sectors_low; 2585 raid->format = AR_F_JMICRON_RAID; 2586 strncpy(raid->name, meta->name, sizeof(meta->name)); 2587 raid->generation = 0; 2588 raid->interleave = 2 << meta->stripe_shift; 2589 raid->total_disks = total_disks; 2590 raid->total_sectors = disk_size * (raid->width-(raid->type==AR_RAID5)); 2591 raid->heads = 255; 2592 raid->sectors = 63; 2593 raid->cylinders = raid->total_sectors / (63 * 255); 2594 raid->offset_sectors = meta->offset * 16; 2595 raid->rebuild_lba = 0; 2596 raid->lun = array; 2597 2598 for (disk = 0; disk < raid->total_disks; disk++) { 2599 if (meta->disks[disk] == meta->disk_id) { 2600 raid->disks[disk].dev = parent; 2601 raid->disks[disk].sectors = disk_size; 2602 raid->disks[disk].flags = 2603 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 2604 ars->raid[raid->volume] = raid; 2605 ars->disk_number[raid->volume] = disk; 2606 retval = 1; 2607 break; 2608 } 2609 } 2610 break; 2611 } 2612 jmicron_out: 2613 kfree(meta, M_AR); 2614 return retval; 2615 } 2616 2617 static int 2618 ata_raid_jmicron_write_meta(struct ar_softc *rdp) 2619 { 2620 struct jmicron_raid_conf *meta; 2621 u_int64_t disk_sectors; 2622 int disk, error = 0; 2623 2624 meta = (struct jmicron_raid_conf *) 2625 kmalloc(sizeof(struct jmicron_raid_conf), M_AR, M_WAITOK | M_ZERO); 2626 2627 rdp->generation++; 2628 switch (rdp->type) { 2629 case AR_T_JBOD: 2630 meta->type = JM_T_JBOD; 2631 break; 2632 2633 case AR_T_RAID0: 2634 meta->type = JM_T_RAID0; 2635 break; 2636 2637 case AR_T_RAID1: 2638 meta->type = JM_T_RAID1; 2639 break; 2640 2641 case AR_T_RAID5: 2642 meta->type = JM_T_RAID5; 2643 break; 2644 2645 case AR_T_RAID01: 2646 meta->type = JM_T_RAID01; 2647 break; 2648 2649 default: 2650 kfree(meta, M_AR); 2651 return ENODEV; 2652 } 2653 bcopy(JMICRON_MAGIC, meta->signature, sizeof(JMICRON_MAGIC)); 2654 meta->version = JMICRON_VERSION; 2655 meta->offset = rdp->offset_sectors / 16; 2656 disk_sectors = rdp->total_sectors / (rdp->width - (rdp->type == AR_RAID5)); 2657 meta->disk_sectors_low = disk_sectors & 0xffff; 2658 meta->disk_sectors_high = disk_sectors >> 16; 2659 strncpy(meta->name, rdp->name, sizeof(meta->name)); 2660 meta->stripe_shift = ffs(rdp->interleave) - 2; 2661 2662 for (disk = 0; disk < rdp->total_disks; disk++) { 2663 if (rdp->disks[disk].serial[0]) 2664 bcopy(rdp->disks[disk].serial,&meta->disks[disk],sizeof(u_int32_t)); 2665 else 2666 meta->disks[disk] = (u_int32_t)(uintptr_t)rdp->disks[disk].dev; 2667 } 2668 2669 for (disk = 0; disk < rdp->total_disks; disk++) { 2670 if (rdp->disks[disk].dev) { 2671 u_int16_t checksum = 0, *ptr; 2672 int count; 2673 2674 meta->disk_id = meta->disks[disk]; 2675 meta->checksum = 0; 2676 for (ptr = (u_int16_t *)meta, count = 0; count < 64; count++) 2677 checksum += *ptr++; 2678 meta->checksum -= checksum; 2679 2680 if (testing || bootverbose) 2681 ata_raid_jmicron_print_meta(meta); 2682 2683 if (ata_raid_rw(rdp->disks[disk].dev, 2684 JMICRON_LBA(rdp->disks[disk].dev), 2685 meta, sizeof(struct jmicron_raid_conf), 2686 ATA_R_WRITE | ATA_R_DIRECT)) { 2687 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 2688 error = EIO; 2689 } 2690 } 2691 } 2692 /* handle spares XXX SOS */ 2693 2694 kfree(meta, M_AR); 2695 return error; 2696 } 2697 2698 /* LSILogic V2 MegaRAID Metadata */ 2699 static int 2700 ata_raid_lsiv2_read_meta(device_t dev, struct ar_softc **raidp) 2701 { 2702 struct ata_raid_subdisk *ars = device_get_softc(dev); 2703 device_t parent = device_get_parent(dev); 2704 struct lsiv2_raid_conf *meta; 2705 struct ar_softc *raid = NULL; 2706 int array, retval = 0; 2707 2708 meta = (struct lsiv2_raid_conf *)kmalloc(sizeof(struct lsiv2_raid_conf), 2709 M_AR, M_WAITOK | M_ZERO); 2710 2711 if (ata_raid_rw(parent, LSIV2_LBA(parent), 2712 meta, sizeof(struct lsiv2_raid_conf), ATA_R_READ)) { 2713 if (testing || bootverbose) 2714 device_printf(parent, "LSI (v2) read metadata failed\n"); 2715 goto lsiv2_out; 2716 } 2717 2718 /* check if this is a LSI RAID struct */ 2719 if (strncmp(meta->lsi_id, LSIV2_MAGIC, strlen(LSIV2_MAGIC))) { 2720 if (testing || bootverbose) 2721 device_printf(parent, "LSI (v2) check1 failed\n"); 2722 goto lsiv2_out; 2723 } 2724 2725 if (testing || bootverbose) 2726 ata_raid_lsiv2_print_meta(meta); 2727 2728 /* now convert LSI (v2) config meta into our generic form */ 2729 for (array = 0; array < MAX_ARRAYS; array++) { 2730 int raid_entry, conf_entry; 2731 2732 if (!raidp[array + meta->raid_number]) { 2733 raidp[array + meta->raid_number] = 2734 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2735 M_WAITOK | M_ZERO); 2736 } 2737 raid = raidp[array + meta->raid_number]; 2738 if (raid->format && (raid->format != AR_F_LSIV2_RAID)) 2739 continue; 2740 2741 if (raid->magic_0 && 2742 ((raid->magic_0 != meta->timestamp) || 2743 (raid->magic_1 != meta->raid_number))) 2744 continue; 2745 2746 array += meta->raid_number; 2747 2748 raid_entry = meta->raid_number; 2749 conf_entry = (meta->configs[raid_entry].raid.config_offset >> 4) + 2750 meta->disk_number - 1; 2751 2752 switch (meta->configs[raid_entry].raid.type) { 2753 case LSIV2_T_RAID0: 2754 raid->magic_0 = meta->timestamp; 2755 raid->magic_1 = meta->raid_number; 2756 raid->type = AR_T_RAID0; 2757 raid->interleave = meta->configs[raid_entry].raid.stripe_sectors; 2758 raid->width = meta->configs[raid_entry].raid.array_width; 2759 break; 2760 2761 case LSIV2_T_RAID1: 2762 raid->magic_0 = meta->timestamp; 2763 raid->magic_1 = meta->raid_number; 2764 raid->type = AR_T_RAID1; 2765 raid->width = meta->configs[raid_entry].raid.array_width; 2766 break; 2767 2768 case LSIV2_T_RAID0 | LSIV2_T_RAID1: 2769 raid->magic_0 = meta->timestamp; 2770 raid->magic_1 = meta->raid_number; 2771 raid->type = AR_T_RAID01; 2772 raid->interleave = meta->configs[raid_entry].raid.stripe_sectors; 2773 raid->width = meta->configs[raid_entry].raid.array_width; 2774 break; 2775 2776 default: 2777 device_printf(parent, "LSI v2 unknown RAID type 0x%02x\n", 2778 meta->configs[raid_entry].raid.type); 2779 kfree(raidp[array], M_AR); 2780 raidp[array] = NULL; 2781 goto lsiv2_out; 2782 } 2783 2784 raid->format = AR_F_LSIV2_RAID; 2785 raid->generation = 0; 2786 raid->total_disks = meta->configs[raid_entry].raid.disk_count; 2787 raid->total_sectors = meta->configs[raid_entry].raid.total_sectors; 2788 raid->heads = 255; 2789 raid->sectors = 63; 2790 raid->cylinders = raid->total_sectors / (63 * 255); 2791 raid->offset_sectors = 0; 2792 raid->rebuild_lba = 0; 2793 raid->lun = array; 2794 2795 if (meta->configs[conf_entry].disk.device != LSIV2_D_NONE) { 2796 raid->disks[meta->disk_number].dev = parent; 2797 raid->disks[meta->disk_number].sectors = 2798 meta->configs[conf_entry].disk.disk_sectors; 2799 raid->disks[meta->disk_number].flags = 2800 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 2801 ars->raid[raid->volume] = raid; 2802 ars->disk_number[raid->volume] = meta->disk_number; 2803 retval = 1; 2804 } 2805 else 2806 raid->disks[meta->disk_number].flags &= ~AR_DF_ONLINE; 2807 2808 break; 2809 } 2810 2811 lsiv2_out: 2812 kfree(meta, M_AR); 2813 return retval; 2814 } 2815 2816 /* LSILogic V3 MegaRAID Metadata */ 2817 static int 2818 ata_raid_lsiv3_read_meta(device_t dev, struct ar_softc **raidp) 2819 { 2820 struct ata_raid_subdisk *ars = device_get_softc(dev); 2821 device_t parent = device_get_parent(dev); 2822 struct lsiv3_raid_conf *meta; 2823 struct ar_softc *raid = NULL; 2824 u_int8_t checksum, *ptr; 2825 int array, entry, count, disk_number, retval = 0; 2826 2827 meta = (struct lsiv3_raid_conf *)kmalloc(sizeof(struct lsiv3_raid_conf), 2828 M_AR, M_WAITOK | M_ZERO); 2829 2830 if (ata_raid_rw(parent, LSIV3_LBA(parent), 2831 meta, sizeof(struct lsiv3_raid_conf), ATA_R_READ)) { 2832 if (testing || bootverbose) 2833 device_printf(parent, "LSI (v3) read metadata failed\n"); 2834 goto lsiv3_out; 2835 } 2836 2837 /* check if this is a LSI RAID struct */ 2838 if (strncmp(meta->lsi_id, LSIV3_MAGIC, strlen(LSIV3_MAGIC))) { 2839 if (testing || bootverbose) 2840 device_printf(parent, "LSI (v3) check1 failed\n"); 2841 goto lsiv3_out; 2842 } 2843 2844 /* check if the checksum is OK */ 2845 for (checksum = 0, ptr = meta->lsi_id, count = 0; count < 512; count++) 2846 checksum += *ptr++; 2847 if (checksum) { 2848 if (testing || bootverbose) 2849 device_printf(parent, "LSI (v3) check2 failed\n"); 2850 goto lsiv3_out; 2851 } 2852 2853 if (testing || bootverbose) 2854 ata_raid_lsiv3_print_meta(meta); 2855 2856 /* now convert LSI (v3) config meta into our generic form */ 2857 for (array = 0, entry = 0; array < MAX_ARRAYS && entry < 8;) { 2858 if (!raidp[array]) { 2859 raidp[array] = 2860 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2861 M_WAITOK | M_ZERO); 2862 } 2863 raid = raidp[array]; 2864 if (raid->format && (raid->format != AR_F_LSIV3_RAID)) { 2865 array++; 2866 continue; 2867 } 2868 2869 if ((raid->format == AR_F_LSIV3_RAID) && 2870 (raid->magic_0 != meta->timestamp)) { 2871 array++; 2872 continue; 2873 } 2874 2875 switch (meta->raid[entry].total_disks) { 2876 case 0: 2877 entry++; 2878 continue; 2879 case 1: 2880 if (meta->raid[entry].device == meta->device) { 2881 disk_number = 0; 2882 break; 2883 } 2884 if (raid->format) 2885 array++; 2886 entry++; 2887 continue; 2888 case 2: 2889 disk_number = (meta->device & (LSIV3_D_DEVICE|LSIV3_D_CHANNEL))?1:0; 2890 break; 2891 default: 2892 device_printf(parent, "lsiv3 > 2 disk support untested!!\n"); 2893 disk_number = (meta->device & LSIV3_D_DEVICE ? 1 : 0) + 2894 (meta->device & LSIV3_D_CHANNEL ? 2 : 0); 2895 break; 2896 } 2897 2898 switch (meta->raid[entry].type) { 2899 case LSIV3_T_RAID0: 2900 raid->type = AR_T_RAID0; 2901 raid->width = meta->raid[entry].total_disks; 2902 break; 2903 2904 case LSIV3_T_RAID1: 2905 raid->type = AR_T_RAID1; 2906 raid->width = meta->raid[entry].array_width; 2907 break; 2908 2909 default: 2910 device_printf(parent, "LSI v3 unknown RAID type 0x%02x\n", 2911 meta->raid[entry].type); 2912 kfree(raidp[array], M_AR); 2913 raidp[array] = NULL; 2914 entry++; 2915 continue; 2916 } 2917 2918 raid->magic_0 = meta->timestamp; 2919 raid->format = AR_F_LSIV3_RAID; 2920 raid->generation = 0; 2921 raid->interleave = meta->raid[entry].stripe_pages * 8; 2922 raid->total_disks = meta->raid[entry].total_disks; 2923 raid->total_sectors = raid->width * meta->raid[entry].sectors; 2924 raid->heads = 255; 2925 raid->sectors = 63; 2926 raid->cylinders = raid->total_sectors / (63 * 255); 2927 raid->offset_sectors = meta->raid[entry].offset; 2928 raid->rebuild_lba = 0; 2929 raid->lun = array; 2930 2931 raid->disks[disk_number].dev = parent; 2932 raid->disks[disk_number].sectors = raid->total_sectors / raid->width; 2933 raid->disks[disk_number].flags = 2934 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 2935 ars->raid[raid->volume] = raid; 2936 ars->disk_number[raid->volume] = disk_number; 2937 retval = 1; 2938 entry++; 2939 array++; 2940 } 2941 2942 lsiv3_out: 2943 kfree(meta, M_AR); 2944 return retval; 2945 } 2946 2947 /* nVidia MediaShield Metadata */ 2948 static int 2949 ata_raid_nvidia_read_meta(device_t dev, struct ar_softc **raidp) 2950 { 2951 struct ata_raid_subdisk *ars = device_get_softc(dev); 2952 device_t parent = device_get_parent(dev); 2953 struct nvidia_raid_conf *meta; 2954 struct ar_softc *raid = NULL; 2955 u_int32_t checksum, *ptr; 2956 int array, count, retval = 0; 2957 2958 meta = (struct nvidia_raid_conf *)kmalloc(sizeof(struct nvidia_raid_conf), 2959 M_AR, M_WAITOK | M_ZERO); 2960 2961 if (ata_raid_rw(parent, NVIDIA_LBA(parent), 2962 meta, sizeof(struct nvidia_raid_conf), ATA_R_READ)) { 2963 if (testing || bootverbose) 2964 device_printf(parent, "nVidia read metadata failed\n"); 2965 goto nvidia_out; 2966 } 2967 2968 /* check if this is a nVidia RAID struct */ 2969 if (strncmp(meta->nvidia_id, NV_MAGIC, strlen(NV_MAGIC))) { 2970 if (testing || bootverbose) 2971 device_printf(parent, "nVidia check1 failed\n"); 2972 goto nvidia_out; 2973 } 2974 2975 /* check if the checksum is OK */ 2976 for (checksum = 0, ptr = (u_int32_t*)meta, count = 0; 2977 count < meta->config_size; count++) 2978 checksum += *ptr++; 2979 if (checksum) { 2980 if (testing || bootverbose) 2981 device_printf(parent, "nVidia check2 failed\n"); 2982 goto nvidia_out; 2983 } 2984 2985 if (testing || bootverbose) 2986 ata_raid_nvidia_print_meta(meta); 2987 2988 /* now convert nVidia meta into our generic form */ 2989 for (array = 0; array < MAX_ARRAYS; array++) { 2990 if (!raidp[array]) { 2991 raidp[array] = 2992 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2993 M_WAITOK | M_ZERO); 2994 } 2995 raid = raidp[array]; 2996 if (raid->format && (raid->format != AR_F_NVIDIA_RAID)) 2997 continue; 2998 2999 if (raid->format == AR_F_NVIDIA_RAID && 3000 ((raid->magic_0 != meta->magic_1) || 3001 (raid->magic_1 != meta->magic_2))) { 3002 continue; 3003 } 3004 3005 switch (meta->type) { 3006 case NV_T_SPAN: 3007 raid->type = AR_T_SPAN; 3008 break; 3009 3010 case NV_T_RAID0: 3011 raid->type = AR_T_RAID0; 3012 break; 3013 3014 case NV_T_RAID1: 3015 raid->type = AR_T_RAID1; 3016 break; 3017 3018 case NV_T_RAID5: 3019 raid->type = AR_T_RAID5; 3020 break; 3021 3022 case NV_T_RAID01: 3023 raid->type = AR_T_RAID01; 3024 break; 3025 3026 default: 3027 device_printf(parent, "nVidia unknown RAID type 0x%02x\n", 3028 meta->type); 3029 kfree(raidp[array], M_AR); 3030 raidp[array] = NULL; 3031 goto nvidia_out; 3032 } 3033 raid->magic_0 = meta->magic_1; 3034 raid->magic_1 = meta->magic_2; 3035 raid->format = AR_F_NVIDIA_RAID; 3036 raid->generation = 0; 3037 raid->interleave = meta->stripe_sectors; 3038 raid->width = meta->array_width; 3039 raid->total_disks = meta->total_disks; 3040 raid->total_sectors = meta->total_sectors; 3041 raid->heads = 255; 3042 raid->sectors = 63; 3043 raid->cylinders = raid->total_sectors / (63 * 255); 3044 raid->offset_sectors = 0; 3045 raid->rebuild_lba = meta->rebuild_lba; 3046 raid->lun = array; 3047 raid->status = AR_S_READY; 3048 if (meta->status & NV_S_DEGRADED) 3049 raid->status |= AR_S_DEGRADED; 3050 3051 raid->disks[meta->disk_number].dev = parent; 3052 raid->disks[meta->disk_number].sectors = 3053 raid->total_sectors / raid->width; 3054 raid->disks[meta->disk_number].flags = 3055 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 3056 ars->raid[raid->volume] = raid; 3057 ars->disk_number[raid->volume] = meta->disk_number; 3058 retval = 1; 3059 break; 3060 } 3061 3062 nvidia_out: 3063 kfree(meta, M_AR); 3064 return retval; 3065 } 3066 3067 /* Promise FastTrak Metadata */ 3068 static int 3069 ata_raid_promise_read_meta(device_t dev, struct ar_softc **raidp, int native) 3070 { 3071 struct ata_raid_subdisk *ars = device_get_softc(dev); 3072 device_t parent = device_get_parent(dev); 3073 struct promise_raid_conf *meta; 3074 struct ar_softc *raid; 3075 u_int32_t checksum, *ptr; 3076 int array, count, disk, disksum = 0, retval = 0; 3077 3078 meta = (struct promise_raid_conf *) 3079 kmalloc(sizeof(struct promise_raid_conf), M_AR, M_WAITOK | M_ZERO); 3080 3081 if (ata_raid_rw(parent, PROMISE_LBA(parent), 3082 meta, sizeof(struct promise_raid_conf), ATA_R_READ)) { 3083 if (testing || bootverbose) 3084 device_printf(parent, "%s read metadata failed\n", 3085 native ? "FreeBSD" : "Promise"); 3086 goto promise_out; 3087 } 3088 3089 /* check the signature */ 3090 if (native) { 3091 if (strncmp(meta->promise_id, ATA_MAGIC, strlen(ATA_MAGIC))) { 3092 if (testing || bootverbose) 3093 device_printf(parent, "FreeBSD check1 failed\n"); 3094 goto promise_out; 3095 } 3096 } 3097 else { 3098 if (strncmp(meta->promise_id, PR_MAGIC, strlen(PR_MAGIC))) { 3099 if (testing || bootverbose) 3100 device_printf(parent, "Promise check1 failed\n"); 3101 goto promise_out; 3102 } 3103 } 3104 3105 /* check if the checksum is OK */ 3106 for (checksum = 0, ptr = (u_int32_t *)meta, count = 0; count < 511; count++) 3107 checksum += *ptr++; 3108 if (checksum != *ptr) { 3109 if (testing || bootverbose) 3110 device_printf(parent, "%s check2 failed\n", 3111 native ? "FreeBSD" : "Promise"); 3112 goto promise_out; 3113 } 3114 3115 /* check on disk integrity status */ 3116 if (meta->raid.integrity != PR_I_VALID) { 3117 if (testing || bootverbose) 3118 device_printf(parent, "%s check3 failed\n", 3119 native ? "FreeBSD" : "Promise"); 3120 goto promise_out; 3121 } 3122 3123 if (testing || bootverbose) 3124 ata_raid_promise_print_meta(meta); 3125 3126 /* now convert Promise metadata into our generic form */ 3127 for (array = 0; array < MAX_ARRAYS; array++) { 3128 if (!raidp[array]) { 3129 raidp[array] = 3130 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3131 M_WAITOK | M_ZERO); 3132 } 3133 raid = raidp[array]; 3134 if (raid->format && 3135 (raid->format != (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID))) 3136 continue; 3137 3138 if ((raid->format == (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID))&& 3139 !(meta->raid.magic_1 == (raid->magic_1))) 3140 continue; 3141 3142 /* update our knowledge about the array config based on generation */ 3143 if (!meta->raid.generation || meta->raid.generation > raid->generation){ 3144 switch (meta->raid.type) { 3145 case PR_T_SPAN: 3146 raid->type = AR_T_SPAN; 3147 break; 3148 3149 case PR_T_JBOD: 3150 raid->type = AR_T_JBOD; 3151 break; 3152 3153 case PR_T_RAID0: 3154 raid->type = AR_T_RAID0; 3155 break; 3156 3157 case PR_T_RAID1: 3158 raid->type = AR_T_RAID1; 3159 if (meta->raid.array_width > 1) 3160 raid->type = AR_T_RAID01; 3161 break; 3162 3163 case PR_T_RAID5: 3164 raid->type = AR_T_RAID5; 3165 break; 3166 3167 default: 3168 device_printf(parent, "%s unknown RAID type 0x%02x\n", 3169 native ? "FreeBSD" : "Promise", meta->raid.type); 3170 kfree(raidp[array], M_AR); 3171 raidp[array] = NULL; 3172 goto promise_out; 3173 } 3174 raid->magic_1 = meta->raid.magic_1; 3175 raid->format = (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID); 3176 raid->generation = meta->raid.generation; 3177 raid->interleave = 1 << meta->raid.stripe_shift; 3178 raid->width = meta->raid.array_width; 3179 raid->total_disks = meta->raid.total_disks; 3180 raid->heads = meta->raid.heads + 1; 3181 raid->sectors = meta->raid.sectors; 3182 raid->cylinders = meta->raid.cylinders + 1; 3183 raid->total_sectors = meta->raid.total_sectors; 3184 raid->offset_sectors = 0; 3185 raid->rebuild_lba = meta->raid.rebuild_lba; 3186 raid->lun = array; 3187 if ((meta->raid.status & 3188 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY)) == 3189 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY)) { 3190 raid->status |= AR_S_READY; 3191 if (meta->raid.status & PR_S_DEGRADED) 3192 raid->status |= AR_S_DEGRADED; 3193 } 3194 else 3195 raid->status &= ~AR_S_READY; 3196 3197 /* convert disk flags to our internal types */ 3198 for (disk = 0; disk < meta->raid.total_disks; disk++) { 3199 raid->disks[disk].dev = NULL; 3200 raid->disks[disk].flags = 0; 3201 *((u_int64_t *)(raid->disks[disk].serial)) = 3202 meta->raid.disk[disk].magic_0; 3203 disksum += meta->raid.disk[disk].flags; 3204 if (meta->raid.disk[disk].flags & PR_F_ONLINE) 3205 raid->disks[disk].flags |= AR_DF_ONLINE; 3206 if (meta->raid.disk[disk].flags & PR_F_ASSIGNED) 3207 raid->disks[disk].flags |= AR_DF_ASSIGNED; 3208 if (meta->raid.disk[disk].flags & PR_F_SPARE) { 3209 raid->disks[disk].flags &= ~(AR_DF_ONLINE | AR_DF_ASSIGNED); 3210 raid->disks[disk].flags |= AR_DF_SPARE; 3211 } 3212 if (meta->raid.disk[disk].flags & (PR_F_REDIR | PR_F_DOWN)) 3213 raid->disks[disk].flags &= ~AR_DF_ONLINE; 3214 } 3215 if (!disksum) { 3216 device_printf(parent, "%s subdisks has no flags\n", 3217 native ? "FreeBSD" : "Promise"); 3218 kfree(raidp[array], M_AR); 3219 raidp[array] = NULL; 3220 goto promise_out; 3221 } 3222 } 3223 if (meta->raid.generation >= raid->generation) { 3224 int disk_number = meta->raid.disk_number; 3225 3226 if (raid->disks[disk_number].flags && (meta->magic_0 == 3227 *((u_int64_t *)(raid->disks[disk_number].serial)))) { 3228 raid->disks[disk_number].dev = parent; 3229 raid->disks[disk_number].flags |= AR_DF_PRESENT; 3230 raid->disks[disk_number].sectors = meta->raid.disk_sectors; 3231 if ((raid->disks[disk_number].flags & 3232 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE)) == 3233 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE)) { 3234 ars->raid[raid->volume] = raid; 3235 ars->disk_number[raid->volume] = disk_number; 3236 retval = 1; 3237 } 3238 } 3239 } 3240 break; 3241 } 3242 3243 promise_out: 3244 kfree(meta, M_AR); 3245 return retval; 3246 } 3247 3248 static int 3249 ata_raid_promise_write_meta(struct ar_softc *rdp) 3250 { 3251 struct promise_raid_conf *meta; 3252 struct timeval timestamp; 3253 u_int32_t *ckptr; 3254 int count, disk, drive, error = 0; 3255 3256 meta = (struct promise_raid_conf *) 3257 kmalloc(sizeof(struct promise_raid_conf), M_AR, M_WAITOK); 3258 3259 rdp->generation++; 3260 microtime(×tamp); 3261 3262 for (disk = 0; disk < rdp->total_disks; disk++) { 3263 for (count = 0; count < sizeof(struct promise_raid_conf); count++) 3264 *(((u_int8_t *)meta) + count) = 255 - (count % 256); 3265 meta->dummy_0 = 0x00020000; 3266 meta->raid.disk_number = disk; 3267 3268 if (rdp->disks[disk].dev) { 3269 struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev); 3270 struct ata_channel *ch = 3271 device_get_softc(device_get_parent(rdp->disks[disk].dev)); 3272 3273 meta->raid.channel = ch->unit; 3274 meta->raid.device = ATA_DEV(atadev->unit); 3275 meta->raid.disk_sectors = rdp->disks[disk].sectors; 3276 meta->raid.disk_offset = rdp->offset_sectors; 3277 } 3278 else { 3279 meta->raid.channel = 0; 3280 meta->raid.device = 0; 3281 meta->raid.disk_sectors = 0; 3282 meta->raid.disk_offset = 0; 3283 } 3284 meta->magic_0 = PR_MAGIC0(meta->raid) | timestamp.tv_sec; 3285 meta->magic_1 = timestamp.tv_sec >> 16; 3286 meta->magic_2 = timestamp.tv_sec; 3287 meta->raid.integrity = PR_I_VALID; 3288 meta->raid.magic_0 = meta->magic_0; 3289 meta->raid.rebuild_lba = rdp->rebuild_lba; 3290 meta->raid.generation = rdp->generation; 3291 3292 if (rdp->status & AR_S_READY) { 3293 meta->raid.flags = (PR_F_VALID | PR_F_ASSIGNED | PR_F_ONLINE); 3294 meta->raid.status = 3295 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY); 3296 if (rdp->status & AR_S_DEGRADED) 3297 meta->raid.status |= PR_S_DEGRADED; 3298 else 3299 meta->raid.status |= PR_S_FUNCTIONAL; 3300 } 3301 else { 3302 meta->raid.flags = PR_F_DOWN; 3303 meta->raid.status = 0; 3304 } 3305 3306 switch (rdp->type) { 3307 case AR_T_RAID0: 3308 meta->raid.type = PR_T_RAID0; 3309 break; 3310 case AR_T_RAID1: 3311 meta->raid.type = PR_T_RAID1; 3312 break; 3313 case AR_T_RAID01: 3314 meta->raid.type = PR_T_RAID1; 3315 break; 3316 case AR_T_RAID5: 3317 meta->raid.type = PR_T_RAID5; 3318 break; 3319 case AR_T_SPAN: 3320 meta->raid.type = PR_T_SPAN; 3321 break; 3322 case AR_T_JBOD: 3323 meta->raid.type = PR_T_JBOD; 3324 break; 3325 default: 3326 kfree(meta, M_AR); 3327 return ENODEV; 3328 } 3329 3330 meta->raid.total_disks = rdp->total_disks; 3331 meta->raid.stripe_shift = ffs(rdp->interleave) - 1; 3332 meta->raid.array_width = rdp->width; 3333 meta->raid.array_number = rdp->lun; 3334 meta->raid.total_sectors = rdp->total_sectors; 3335 meta->raid.cylinders = rdp->cylinders - 1; 3336 meta->raid.heads = rdp->heads - 1; 3337 meta->raid.sectors = rdp->sectors; 3338 meta->raid.magic_1 = (u_int64_t)meta->magic_2<<16 | meta->magic_1; 3339 3340 bzero(&meta->raid.disk, 8 * 12); 3341 for (drive = 0; drive < rdp->total_disks; drive++) { 3342 meta->raid.disk[drive].flags = 0; 3343 if (rdp->disks[drive].flags & AR_DF_PRESENT) 3344 meta->raid.disk[drive].flags |= PR_F_VALID; 3345 if (rdp->disks[drive].flags & AR_DF_ASSIGNED) 3346 meta->raid.disk[drive].flags |= PR_F_ASSIGNED; 3347 if (rdp->disks[drive].flags & AR_DF_ONLINE) 3348 meta->raid.disk[drive].flags |= PR_F_ONLINE; 3349 else 3350 if (rdp->disks[drive].flags & AR_DF_PRESENT) 3351 meta->raid.disk[drive].flags = (PR_F_REDIR | PR_F_DOWN); 3352 if (rdp->disks[drive].flags & AR_DF_SPARE) 3353 meta->raid.disk[drive].flags |= PR_F_SPARE; 3354 meta->raid.disk[drive].dummy_0 = 0x0; 3355 if (rdp->disks[drive].dev) { 3356 struct ata_channel *ch = 3357 device_get_softc(device_get_parent(rdp->disks[drive].dev)); 3358 struct ata_device *atadev = 3359 device_get_softc(rdp->disks[drive].dev); 3360 3361 meta->raid.disk[drive].channel = ch->unit; 3362 meta->raid.disk[drive].device = ATA_DEV(atadev->unit); 3363 } 3364 meta->raid.disk[drive].magic_0 = 3365 PR_MAGIC0(meta->raid.disk[drive]) | timestamp.tv_sec; 3366 } 3367 3368 if (rdp->disks[disk].dev) { 3369 if ((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) == 3370 (AR_DF_PRESENT | AR_DF_ONLINE)) { 3371 if (rdp->format == AR_F_FREEBSD_RAID) 3372 bcopy(ATA_MAGIC, meta->promise_id, sizeof(ATA_MAGIC)); 3373 else 3374 bcopy(PR_MAGIC, meta->promise_id, sizeof(PR_MAGIC)); 3375 } 3376 else 3377 bzero(meta->promise_id, sizeof(meta->promise_id)); 3378 meta->checksum = 0; 3379 for (ckptr = (int32_t *)meta, count = 0; count < 511; count++) 3380 meta->checksum += *ckptr++; 3381 if (testing || bootverbose) 3382 ata_raid_promise_print_meta(meta); 3383 if (ata_raid_rw(rdp->disks[disk].dev, 3384 PROMISE_LBA(rdp->disks[disk].dev), 3385 meta, sizeof(struct promise_raid_conf), 3386 ATA_R_WRITE | ATA_R_DIRECT)) { 3387 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 3388 error = EIO; 3389 } 3390 } 3391 } 3392 kfree(meta, M_AR); 3393 return error; 3394 } 3395 3396 /* Silicon Image Medley Metadata */ 3397 static int 3398 ata_raid_sii_read_meta(device_t dev, struct ar_softc **raidp) 3399 { 3400 struct ata_raid_subdisk *ars = device_get_softc(dev); 3401 device_t parent = device_get_parent(dev); 3402 struct sii_raid_conf *meta; 3403 struct ar_softc *raid = NULL; 3404 u_int16_t checksum, *ptr; 3405 int array, count, disk, retval = 0; 3406 3407 meta = (struct sii_raid_conf *)kmalloc(sizeof(struct sii_raid_conf), M_AR, 3408 M_WAITOK | M_ZERO); 3409 3410 if (ata_raid_rw(parent, SII_LBA(parent), 3411 meta, sizeof(struct sii_raid_conf), ATA_R_READ)) { 3412 if (testing || bootverbose) 3413 device_printf(parent, "Silicon Image read metadata failed\n"); 3414 goto sii_out; 3415 } 3416 3417 /* check if this is a Silicon Image (Medley) RAID struct */ 3418 for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 160; count++) 3419 checksum += *ptr++; 3420 if (checksum) { 3421 if (testing || bootverbose) 3422 device_printf(parent, "Silicon Image check1 failed\n"); 3423 goto sii_out; 3424 } 3425 3426 for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 256; count++) 3427 checksum += *ptr++; 3428 if (checksum != meta->checksum_1) { 3429 if (testing || bootverbose) 3430 device_printf(parent, "Silicon Image check2 failed\n"); 3431 goto sii_out; 3432 } 3433 3434 /* check verison */ 3435 if (meta->version_major != 0x0002 || 3436 (meta->version_minor != 0x0000 && meta->version_minor != 0x0001)) { 3437 if (testing || bootverbose) 3438 device_printf(parent, "Silicon Image check3 failed\n"); 3439 goto sii_out; 3440 } 3441 3442 if (testing || bootverbose) 3443 ata_raid_sii_print_meta(meta); 3444 3445 /* now convert Silicon Image meta into our generic form */ 3446 for (array = 0; array < MAX_ARRAYS; array++) { 3447 if (!raidp[array]) { 3448 raidp[array] = 3449 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3450 M_WAITOK | M_ZERO); 3451 } 3452 raid = raidp[array]; 3453 if (raid->format && (raid->format != AR_F_SII_RAID)) 3454 continue; 3455 3456 if (raid->format == AR_F_SII_RAID && 3457 (raid->magic_0 != *((u_int64_t *)meta->timestamp))) { 3458 continue; 3459 } 3460 3461 /* update our knowledge about the array config based on generation */ 3462 if (!meta->generation || meta->generation > raid->generation) { 3463 switch (meta->type) { 3464 case SII_T_RAID0: 3465 raid->type = AR_T_RAID0; 3466 break; 3467 3468 case SII_T_RAID1: 3469 raid->type = AR_T_RAID1; 3470 break; 3471 3472 case SII_T_RAID01: 3473 raid->type = AR_T_RAID01; 3474 break; 3475 3476 case SII_T_SPARE: 3477 device_printf(parent, "Silicon Image SPARE disk\n"); 3478 kfree(raidp[array], M_AR); 3479 raidp[array] = NULL; 3480 goto sii_out; 3481 3482 default: 3483 device_printf(parent,"Silicon Image unknown RAID type 0x%02x\n", 3484 meta->type); 3485 kfree(raidp[array], M_AR); 3486 raidp[array] = NULL; 3487 goto sii_out; 3488 } 3489 raid->magic_0 = *((u_int64_t *)meta->timestamp); 3490 raid->format = AR_F_SII_RAID; 3491 raid->generation = meta->generation; 3492 raid->interleave = meta->stripe_sectors; 3493 raid->width = (meta->raid0_disks != 0xff) ? meta->raid0_disks : 1; 3494 raid->total_disks = 3495 ((meta->raid0_disks != 0xff) ? meta->raid0_disks : 0) + 3496 ((meta->raid1_disks != 0xff) ? meta->raid1_disks : 0); 3497 raid->total_sectors = meta->total_sectors; 3498 raid->heads = 255; 3499 raid->sectors = 63; 3500 raid->cylinders = raid->total_sectors / (63 * 255); 3501 raid->offset_sectors = 0; 3502 raid->rebuild_lba = meta->rebuild_lba; 3503 raid->lun = array; 3504 strncpy(raid->name, meta->name, 3505 min(sizeof(raid->name), sizeof(meta->name))); 3506 3507 /* clear out any old info */ 3508 if (raid->generation) { 3509 for (disk = 0; disk < raid->total_disks; disk++) { 3510 raid->disks[disk].dev = NULL; 3511 raid->disks[disk].flags = 0; 3512 } 3513 } 3514 } 3515 if (meta->generation >= raid->generation) { 3516 /* XXX SOS add check for the right physical disk by serial# */ 3517 if (meta->status & SII_S_READY) { 3518 int disk_number = (raid->type == AR_T_RAID01) ? 3519 meta->raid1_ident + (meta->raid0_ident << 1) : 3520 meta->disk_number; 3521 3522 raid->disks[disk_number].dev = parent; 3523 raid->disks[disk_number].sectors = 3524 raid->total_sectors / raid->width; 3525 raid->disks[disk_number].flags = 3526 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 3527 ars->raid[raid->volume] = raid; 3528 ars->disk_number[raid->volume] = disk_number; 3529 retval = 1; 3530 } 3531 } 3532 break; 3533 } 3534 3535 sii_out: 3536 kfree(meta, M_AR); 3537 return retval; 3538 } 3539 3540 /* Silicon Integrated Systems Metadata */ 3541 static int 3542 ata_raid_sis_read_meta(device_t dev, struct ar_softc **raidp) 3543 { 3544 struct ata_raid_subdisk *ars = device_get_softc(dev); 3545 device_t parent = device_get_parent(dev); 3546 struct sis_raid_conf *meta; 3547 struct ar_softc *raid = NULL; 3548 int array, disk_number, drive, retval = 0; 3549 3550 meta = (struct sis_raid_conf *)kmalloc(sizeof(struct sis_raid_conf), M_AR, 3551 M_WAITOK | M_ZERO); 3552 3553 if (ata_raid_rw(parent, SIS_LBA(parent), 3554 meta, sizeof(struct sis_raid_conf), ATA_R_READ)) { 3555 if (testing || bootverbose) 3556 device_printf(parent, 3557 "Silicon Integrated Systems read metadata failed\n"); 3558 } 3559 3560 /* check for SiS magic */ 3561 if (meta->magic != SIS_MAGIC) { 3562 if (testing || bootverbose) 3563 device_printf(parent, 3564 "Silicon Integrated Systems check1 failed\n"); 3565 goto sis_out; 3566 } 3567 3568 if (testing || bootverbose) 3569 ata_raid_sis_print_meta(meta); 3570 3571 /* now convert SiS meta into our generic form */ 3572 for (array = 0; array < MAX_ARRAYS; array++) { 3573 if (!raidp[array]) { 3574 raidp[array] = 3575 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3576 M_WAITOK | M_ZERO); 3577 } 3578 3579 raid = raidp[array]; 3580 if (raid->format && (raid->format != AR_F_SIS_RAID)) 3581 continue; 3582 3583 if ((raid->format == AR_F_SIS_RAID) && 3584 ((raid->magic_0 != meta->controller_pci_id) || 3585 (raid->magic_1 != meta->timestamp))) { 3586 continue; 3587 } 3588 3589 switch (meta->type_total_disks & SIS_T_MASK) { 3590 case SIS_T_JBOD: 3591 raid->type = AR_T_JBOD; 3592 raid->width = (meta->type_total_disks & SIS_D_MASK); 3593 raid->total_sectors += SIS_LBA(parent); 3594 break; 3595 3596 case SIS_T_RAID0: 3597 raid->type = AR_T_RAID0; 3598 raid->width = (meta->type_total_disks & SIS_D_MASK); 3599 if (!raid->total_sectors || 3600 (raid->total_sectors > (raid->width * SIS_LBA(parent)))) 3601 raid->total_sectors = raid->width * SIS_LBA(parent); 3602 break; 3603 3604 case SIS_T_RAID1: 3605 raid->type = AR_T_RAID1; 3606 raid->width = 1; 3607 if (!raid->total_sectors || (raid->total_sectors > SIS_LBA(parent))) 3608 raid->total_sectors = SIS_LBA(parent); 3609 break; 3610 3611 default: 3612 device_printf(parent, "Silicon Integrated Systems " 3613 "unknown RAID type 0x%08x\n", meta->magic); 3614 kfree(raidp[array], M_AR); 3615 raidp[array] = NULL; 3616 goto sis_out; 3617 } 3618 raid->magic_0 = meta->controller_pci_id; 3619 raid->magic_1 = meta->timestamp; 3620 raid->format = AR_F_SIS_RAID; 3621 raid->generation = 0; 3622 raid->interleave = meta->stripe_sectors; 3623 raid->total_disks = (meta->type_total_disks & SIS_D_MASK); 3624 raid->heads = 255; 3625 raid->sectors = 63; 3626 raid->cylinders = raid->total_sectors / (63 * 255); 3627 raid->offset_sectors = 0; 3628 raid->rebuild_lba = 0; 3629 raid->lun = array; 3630 /* XXX SOS if total_disks > 2 this doesn't float */ 3631 if (((meta->disks & SIS_D_MASTER) >> 4) == meta->disk_number) 3632 disk_number = 0; 3633 else 3634 disk_number = 1; 3635 3636 for (drive = 0; drive < raid->total_disks; drive++) { 3637 raid->disks[drive].sectors = raid->total_sectors/raid->width; 3638 if (drive == disk_number) { 3639 raid->disks[disk_number].dev = parent; 3640 raid->disks[disk_number].flags = 3641 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 3642 ars->raid[raid->volume] = raid; 3643 ars->disk_number[raid->volume] = disk_number; 3644 } 3645 } 3646 retval = 1; 3647 break; 3648 } 3649 3650 sis_out: 3651 kfree(meta, M_AR); 3652 return retval; 3653 } 3654 3655 static int 3656 ata_raid_sis_write_meta(struct ar_softc *rdp) 3657 { 3658 struct sis_raid_conf *meta; 3659 struct timeval timestamp; 3660 int disk, error = 0; 3661 3662 meta = (struct sis_raid_conf *)kmalloc(sizeof(struct sis_raid_conf), M_AR, 3663 M_WAITOK | M_ZERO); 3664 3665 rdp->generation++; 3666 microtime(×tamp); 3667 3668 meta->magic = SIS_MAGIC; 3669 /* XXX SOS if total_disks > 2 this doesn't float */ 3670 for (disk = 0; disk < rdp->total_disks; disk++) { 3671 if (rdp->disks[disk].dev) { 3672 struct ata_channel *ch = 3673 device_get_softc(device_get_parent(rdp->disks[disk].dev)); 3674 struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev); 3675 int disk_number = 1 + ATA_DEV(atadev->unit) + (ch->unit << 1); 3676 3677 meta->disks |= disk_number << ((1 - disk) << 2); 3678 } 3679 } 3680 switch (rdp->type) { 3681 case AR_T_JBOD: 3682 meta->type_total_disks = SIS_T_JBOD; 3683 break; 3684 3685 case AR_T_RAID0: 3686 meta->type_total_disks = SIS_T_RAID0; 3687 break; 3688 3689 case AR_T_RAID1: 3690 meta->type_total_disks = SIS_T_RAID1; 3691 break; 3692 3693 default: 3694 kfree(meta, M_AR); 3695 return ENODEV; 3696 } 3697 meta->type_total_disks |= (rdp->total_disks & SIS_D_MASK); 3698 meta->stripe_sectors = rdp->interleave; 3699 meta->timestamp = timestamp.tv_sec; 3700 3701 for (disk = 0; disk < rdp->total_disks; disk++) { 3702 if (rdp->disks[disk].dev) { 3703 struct ata_channel *ch = 3704 device_get_softc(device_get_parent(rdp->disks[disk].dev)); 3705 struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev); 3706 3707 meta->controller_pci_id = 3708 (pci_get_vendor(GRANDPARENT(rdp->disks[disk].dev)) << 16) | 3709 pci_get_device(GRANDPARENT(rdp->disks[disk].dev)); 3710 bcopy(atadev->param.model, meta->model, sizeof(meta->model)); 3711 3712 /* XXX SOS if total_disks > 2 this may not float */ 3713 meta->disk_number = 1 + ATA_DEV(atadev->unit) + (ch->unit << 1); 3714 3715 if (testing || bootverbose) 3716 ata_raid_sis_print_meta(meta); 3717 3718 if (ata_raid_rw(rdp->disks[disk].dev, 3719 SIS_LBA(rdp->disks[disk].dev), 3720 meta, sizeof(struct sis_raid_conf), 3721 ATA_R_WRITE | ATA_R_DIRECT)) { 3722 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 3723 error = EIO; 3724 } 3725 } 3726 } 3727 kfree(meta, M_AR); 3728 return error; 3729 } 3730 3731 /* VIA Tech V-RAID Metadata */ 3732 static int 3733 ata_raid_via_read_meta(device_t dev, struct ar_softc **raidp) 3734 { 3735 struct ata_raid_subdisk *ars = device_get_softc(dev); 3736 device_t parent = device_get_parent(dev); 3737 struct via_raid_conf *meta; 3738 struct ar_softc *raid = NULL; 3739 u_int8_t checksum, *ptr; 3740 int array, count, disk, retval = 0; 3741 3742 meta = (struct via_raid_conf *)kmalloc(sizeof(struct via_raid_conf), M_AR, 3743 M_WAITOK | M_ZERO); 3744 3745 if (ata_raid_rw(parent, VIA_LBA(parent), 3746 meta, sizeof(struct via_raid_conf), ATA_R_READ)) { 3747 if (testing || bootverbose) 3748 device_printf(parent, "VIA read metadata failed\n"); 3749 goto via_out; 3750 } 3751 3752 /* check if this is a VIA RAID struct */ 3753 if (meta->magic != VIA_MAGIC) { 3754 if (testing || bootverbose) 3755 device_printf(parent, "VIA check1 failed\n"); 3756 goto via_out; 3757 } 3758 3759 /* calculate checksum and compare for valid */ 3760 for (checksum = 0, ptr = (u_int8_t *)meta, count = 0; count < 50; count++) 3761 checksum += *ptr++; 3762 if (checksum != meta->checksum) { 3763 if (testing || bootverbose) 3764 device_printf(parent, "VIA check2 failed\n"); 3765 goto via_out; 3766 } 3767 3768 if (testing || bootverbose) 3769 ata_raid_via_print_meta(meta); 3770 3771 /* now convert VIA meta into our generic form */ 3772 for (array = 0; array < MAX_ARRAYS; array++) { 3773 if (!raidp[array]) { 3774 raidp[array] = 3775 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3776 M_WAITOK | M_ZERO); 3777 } 3778 raid = raidp[array]; 3779 if (raid->format && (raid->format != AR_F_VIA_RAID)) 3780 continue; 3781 3782 if (raid->format == AR_F_VIA_RAID && (raid->magic_0 != meta->disks[0])) 3783 continue; 3784 3785 switch (meta->type & VIA_T_MASK) { 3786 case VIA_T_RAID0: 3787 raid->type = AR_T_RAID0; 3788 raid->width = meta->stripe_layout & VIA_L_DISKS; 3789 if (!raid->total_sectors || 3790 (raid->total_sectors > (raid->width * meta->disk_sectors))) 3791 raid->total_sectors = raid->width * meta->disk_sectors; 3792 break; 3793 3794 case VIA_T_RAID1: 3795 raid->type = AR_T_RAID1; 3796 raid->width = 1; 3797 raid->total_sectors = meta->disk_sectors; 3798 break; 3799 3800 case VIA_T_RAID01: 3801 raid->type = AR_T_RAID01; 3802 raid->width = meta->stripe_layout & VIA_L_DISKS; 3803 if (!raid->total_sectors || 3804 (raid->total_sectors > (raid->width * meta->disk_sectors))) 3805 raid->total_sectors = raid->width * meta->disk_sectors; 3806 break; 3807 3808 case VIA_T_RAID5: 3809 raid->type = AR_T_RAID5; 3810 raid->width = meta->stripe_layout & VIA_L_DISKS; 3811 if (!raid->total_sectors || 3812 (raid->total_sectors > ((raid->width - 1)*meta->disk_sectors))) 3813 raid->total_sectors = (raid->width - 1) * meta->disk_sectors; 3814 break; 3815 3816 case VIA_T_SPAN: 3817 raid->type = AR_T_SPAN; 3818 raid->width = 1; 3819 raid->total_sectors += meta->disk_sectors; 3820 break; 3821 3822 default: 3823 device_printf(parent,"VIA unknown RAID type 0x%02x\n", meta->type); 3824 kfree(raidp[array], M_AR); 3825 raidp[array] = NULL; 3826 goto via_out; 3827 } 3828 raid->magic_0 = meta->disks[0]; 3829 raid->format = AR_F_VIA_RAID; 3830 raid->generation = 0; 3831 raid->interleave = 3832 0x08 << ((meta->stripe_layout & VIA_L_MASK) >> VIA_L_SHIFT); 3833 for (count = 0, disk = 0; disk < 8; disk++) 3834 if (meta->disks[disk]) 3835 count++; 3836 raid->total_disks = count; 3837 raid->heads = 255; 3838 raid->sectors = 63; 3839 raid->cylinders = raid->total_sectors / (63 * 255); 3840 raid->offset_sectors = 0; 3841 raid->rebuild_lba = 0; 3842 raid->lun = array; 3843 3844 for (disk = 0; disk < raid->total_disks; disk++) { 3845 if (meta->disks[disk] == meta->disk_id) { 3846 raid->disks[disk].dev = parent; 3847 bcopy(&meta->disk_id, raid->disks[disk].serial, 3848 sizeof(u_int32_t)); 3849 raid->disks[disk].sectors = meta->disk_sectors; 3850 raid->disks[disk].flags = 3851 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 3852 ars->raid[raid->volume] = raid; 3853 ars->disk_number[raid->volume] = disk; 3854 retval = 1; 3855 break; 3856 } 3857 } 3858 break; 3859 } 3860 3861 via_out: 3862 kfree(meta, M_AR); 3863 return retval; 3864 } 3865 3866 static int 3867 ata_raid_via_write_meta(struct ar_softc *rdp) 3868 { 3869 struct via_raid_conf *meta; 3870 int disk, error = 0; 3871 3872 meta = (struct via_raid_conf *)kmalloc(sizeof(struct via_raid_conf), M_AR, 3873 M_WAITOK | M_ZERO); 3874 3875 rdp->generation++; 3876 3877 meta->magic = VIA_MAGIC; 3878 meta->dummy_0 = 0x02; 3879 switch (rdp->type) { 3880 case AR_T_SPAN: 3881 meta->type = VIA_T_SPAN; 3882 meta->stripe_layout = (rdp->total_disks & VIA_L_DISKS); 3883 break; 3884 3885 case AR_T_RAID0: 3886 meta->type = VIA_T_RAID0; 3887 meta->stripe_layout = ((rdp->interleave >> 1) & VIA_L_MASK); 3888 meta->stripe_layout |= (rdp->total_disks & VIA_L_DISKS); 3889 break; 3890 3891 case AR_T_RAID1: 3892 meta->type = VIA_T_RAID1; 3893 meta->stripe_layout = (rdp->total_disks & VIA_L_DISKS); 3894 break; 3895 3896 case AR_T_RAID5: 3897 meta->type = VIA_T_RAID5; 3898 meta->stripe_layout = ((rdp->interleave >> 1) & VIA_L_MASK); 3899 meta->stripe_layout |= (rdp->total_disks & VIA_L_DISKS); 3900 break; 3901 3902 case AR_T_RAID01: 3903 meta->type = VIA_T_RAID01; 3904 meta->stripe_layout = ((rdp->interleave >> 1) & VIA_L_MASK); 3905 meta->stripe_layout |= (rdp->width & VIA_L_DISKS); 3906 break; 3907 3908 default: 3909 kfree(meta, M_AR); 3910 return ENODEV; 3911 } 3912 meta->type |= VIA_T_BOOTABLE; /* XXX SOS */ 3913 meta->disk_sectors = 3914 rdp->total_sectors / (rdp->width - (rdp->type == AR_RAID5)); 3915 for (disk = 0; disk < rdp->total_disks; disk++) 3916 meta->disks[disk] = (u_int32_t)(uintptr_t)rdp->disks[disk].dev; 3917 3918 for (disk = 0; disk < rdp->total_disks; disk++) { 3919 if (rdp->disks[disk].dev) { 3920 u_int8_t *ptr; 3921 int count; 3922 3923 meta->disk_index = disk * sizeof(u_int32_t); 3924 if (rdp->type == AR_T_RAID01) 3925 meta->disk_index = ((meta->disk_index & 0x08) << 2) | 3926 (meta->disk_index & ~0x08); 3927 meta->disk_id = meta->disks[disk]; 3928 meta->checksum = 0; 3929 for (ptr = (u_int8_t *)meta, count = 0; count < 50; count++) 3930 meta->checksum += *ptr++; 3931 3932 if (testing || bootverbose) 3933 ata_raid_via_print_meta(meta); 3934 3935 if (ata_raid_rw(rdp->disks[disk].dev, 3936 VIA_LBA(rdp->disks[disk].dev), 3937 meta, sizeof(struct via_raid_conf), 3938 ATA_R_WRITE | ATA_R_DIRECT)) { 3939 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 3940 error = EIO; 3941 } 3942 } 3943 } 3944 kfree(meta, M_AR); 3945 return error; 3946 } 3947 3948 static struct ata_request * 3949 ata_raid_init_request(struct ar_softc *rdp, struct bio *bio) 3950 { 3951 struct ata_request *request; 3952 3953 if (!(request = ata_alloc_request())) { 3954 kprintf("FAILURE - out of memory in ata_raid_init_request\n"); 3955 return NULL; 3956 } 3957 request->timeout = ATA_DEFAULT_TIMEOUT; 3958 request->retries = 2; 3959 request->callback = ata_raid_done; 3960 request->driver = rdp; 3961 request->bio = bio; 3962 switch (request->bio->bio_buf->b_cmd) { 3963 case BUF_CMD_READ: 3964 request->flags = ATA_R_READ; 3965 break; 3966 case BUF_CMD_WRITE: 3967 request->flags = ATA_R_WRITE; 3968 break; 3969 default: 3970 kprintf("ar%d: FAILURE - unknown BUF operation\n", rdp->lun); 3971 ata_free_request(request); 3972 #if 0 3973 bio->bio_buf->b_flags |= B_ERROR; 3974 bio->bio_buf->b_error = EIO; 3975 biodone(bio); 3976 #endif /* 0 */ 3977 return(NULL); 3978 } 3979 return request; 3980 } 3981 3982 static int 3983 ata_raid_send_request(struct ata_request *request) 3984 { 3985 struct ata_device *atadev = device_get_softc(request->dev); 3986 3987 request->transfersize = min(request->bytecount, atadev->max_iosize); 3988 if (request->flags & ATA_R_READ) { 3989 if (atadev->mode >= ATA_DMA) { 3990 request->flags |= ATA_R_DMA; 3991 request->u.ata.command = ATA_READ_DMA; 3992 } 3993 else if (atadev->max_iosize > DEV_BSIZE) 3994 request->u.ata.command = ATA_READ_MUL; 3995 else 3996 request->u.ata.command = ATA_READ; 3997 } 3998 else if (request->flags & ATA_R_WRITE) { 3999 if (atadev->mode >= ATA_DMA) { 4000 request->flags |= ATA_R_DMA; 4001 request->u.ata.command = ATA_WRITE_DMA; 4002 } 4003 else if (atadev->max_iosize > DEV_BSIZE) 4004 request->u.ata.command = ATA_WRITE_MUL; 4005 else 4006 request->u.ata.command = ATA_WRITE; 4007 } 4008 else { 4009 device_printf(request->dev, "FAILURE - unknown IO operation\n"); 4010 ata_free_request(request); 4011 return EIO; 4012 } 4013 request->flags |= (ATA_R_ORDERED | ATA_R_THREAD); 4014 ata_queue_request(request); 4015 return 0; 4016 } 4017 4018 static int 4019 ata_raid_rw(device_t dev, u_int64_t lba, void *data, u_int bcount, int flags) 4020 { 4021 struct ata_device *atadev = device_get_softc(dev); 4022 struct ata_request *request; 4023 int error; 4024 4025 if (bcount % DEV_BSIZE) { 4026 device_printf(dev, "FAILURE - transfers must be modulo sectorsize\n"); 4027 return ENOMEM; 4028 } 4029 4030 if (!(request = ata_alloc_request())) { 4031 device_printf(dev, "FAILURE - out of memory in ata_raid_rw\n"); 4032 return ENOMEM; 4033 } 4034 4035 /* setup request */ 4036 request->dev = dev; 4037 request->timeout = 10; 4038 request->retries = 0; 4039 request->data = data; 4040 request->bytecount = bcount; 4041 request->transfersize = DEV_BSIZE; 4042 request->u.ata.lba = lba; 4043 request->u.ata.count = request->bytecount / DEV_BSIZE; 4044 request->flags = flags; 4045 4046 if (flags & ATA_R_READ) { 4047 if (atadev->mode >= ATA_DMA) { 4048 request->u.ata.command = ATA_READ_DMA; 4049 request->flags |= ATA_R_DMA; 4050 } 4051 else 4052 request->u.ata.command = ATA_READ; 4053 ata_queue_request(request); 4054 } 4055 else if (flags & ATA_R_WRITE) { 4056 if (atadev->mode >= ATA_DMA) { 4057 request->u.ata.command = ATA_WRITE_DMA; 4058 request->flags |= ATA_R_DMA; 4059 } 4060 else 4061 request->u.ata.command = ATA_WRITE; 4062 ata_queue_request(request); 4063 } 4064 else { 4065 device_printf(dev, "FAILURE - unknown IO operation\n"); 4066 request->result = EIO; 4067 } 4068 error = request->result; 4069 ata_free_request(request); 4070 return error; 4071 } 4072 4073 /* 4074 * module handeling 4075 */ 4076 static int 4077 ata_raid_subdisk_probe(device_t dev) 4078 { 4079 device_quiet(dev); 4080 return 0; 4081 } 4082 4083 static int 4084 ata_raid_subdisk_attach(device_t dev) 4085 { 4086 struct ata_raid_subdisk *ars = device_get_softc(dev); 4087 int volume; 4088 4089 for (volume = 0; volume < MAX_VOLUMES; volume++) { 4090 ars->raid[volume] = NULL; 4091 ars->disk_number[volume] = -1; 4092 } 4093 ata_raid_read_metadata(dev); 4094 return 0; 4095 } 4096 4097 static int 4098 ata_raid_subdisk_detach(device_t dev) 4099 { 4100 struct ata_raid_subdisk *ars = device_get_softc(dev); 4101 int volume; 4102 4103 for (volume = 0; volume < MAX_VOLUMES; volume++) { 4104 if (ars->raid[volume]) { 4105 ars->raid[volume]->disks[ars->disk_number[volume]].flags &= 4106 ~(AR_DF_PRESENT | AR_DF_ONLINE); 4107 ars->raid[volume]->disks[ars->disk_number[volume]].dev = NULL; 4108 ata_raid_config_changed(ars->raid[volume], 1); 4109 ars->raid[volume] = NULL; 4110 ars->disk_number[volume] = -1; 4111 } 4112 } 4113 return 0; 4114 } 4115 4116 static device_method_t ata_raid_sub_methods[] = { 4117 /* device interface */ 4118 DEVMETHOD(device_probe, ata_raid_subdisk_probe), 4119 DEVMETHOD(device_attach, ata_raid_subdisk_attach), 4120 DEVMETHOD(device_detach, ata_raid_subdisk_detach), 4121 { 0, 0 } 4122 }; 4123 4124 static driver_t ata_raid_sub_driver = { 4125 "subdisk", 4126 ata_raid_sub_methods, 4127 sizeof(struct ata_raid_subdisk) 4128 }; 4129 4130 DRIVER_MODULE(subdisk, ad, ata_raid_sub_driver, ata_raid_sub_devclass, NULL, NULL); 4131 4132 static int 4133 ata_raid_module_event_handler(module_t mod, int what, void *arg) 4134 { 4135 int i; 4136 4137 switch (what) { 4138 case MOD_LOAD: 4139 if (testing || bootverbose) 4140 kprintf("ATA PseudoRAID loaded\n"); 4141 #if 0 4142 /* setup table to hold metadata for all ATA PseudoRAID arrays */ 4143 ata_raid_arrays = kmalloc(sizeof(struct ar_soft *) * MAX_ARRAYS, 4144 M_AR, M_WAITOK | M_ZERO); 4145 #endif 4146 /* attach found PseudoRAID arrays */ 4147 for (i = 0; i < MAX_ARRAYS; i++) { 4148 struct ar_softc *rdp = ata_raid_arrays[i]; 4149 4150 if (!rdp || !rdp->format) 4151 continue; 4152 if (testing || bootverbose) 4153 ata_raid_print_meta(rdp); 4154 ata_raid_attach(rdp, 0); 4155 } 4156 ata_raid_ioctl_func = ata_raid_ioctl; 4157 return 0; 4158 4159 case MOD_UNLOAD: 4160 /* detach found PseudoRAID arrays */ 4161 for (i = 0; i < MAX_ARRAYS; i++) { 4162 struct ar_softc *rdp = ata_raid_arrays[i]; 4163 4164 if (!rdp || !rdp->status) 4165 continue; 4166 disk_destroy(&rdp->disk); 4167 } 4168 if (testing || bootverbose) 4169 kprintf("ATA PseudoRAID unloaded\n"); 4170 #if 0 4171 kfree(ata_raid_arrays, M_AR); 4172 #endif 4173 ata_raid_ioctl_func = NULL; 4174 return 0; 4175 4176 default: 4177 return EOPNOTSUPP; 4178 } 4179 } 4180 4181 static moduledata_t ata_raid_moduledata = 4182 { "ataraid", ata_raid_module_event_handler, NULL }; 4183 DECLARE_MODULE(ata, ata_raid_moduledata, SI_SUB_RAID, SI_ORDER_FIRST); 4184 MODULE_VERSION(ataraid, 1); 4185 MODULE_DEPEND(ataraid, ata, 1, 1, 1); 4186 MODULE_DEPEND(ataraid, ad, 1, 1, 1); 4187 4188 static char * 4189 ata_raid_format(struct ar_softc *rdp) 4190 { 4191 switch (rdp->format) { 4192 case AR_F_FREEBSD_RAID: return "FreeBSD PseudoRAID"; 4193 case AR_F_ADAPTEC_RAID: return "Adaptec HostRAID"; 4194 case AR_F_HPTV2_RAID: return "HighPoint v2 RocketRAID"; 4195 case AR_F_HPTV3_RAID: return "HighPoint v3 RocketRAID"; 4196 case AR_F_INTEL_RAID: return "Intel MatrixRAID"; 4197 case AR_F_ITE_RAID: return "Integrated Technology Express"; 4198 case AR_F_JMICRON_RAID: return "JMicron Technology Corp"; 4199 case AR_F_LSIV2_RAID: return "LSILogic v2 MegaRAID"; 4200 case AR_F_LSIV3_RAID: return "LSILogic v3 MegaRAID"; 4201 case AR_F_NVIDIA_RAID: return "nVidia MediaShield"; 4202 case AR_F_PROMISE_RAID: return "Promise Fasttrak"; 4203 case AR_F_SII_RAID: return "Silicon Image Medley"; 4204 case AR_F_SIS_RAID: return "Silicon Integrated Systems"; 4205 case AR_F_VIA_RAID: return "VIA Tech V-RAID"; 4206 default: return "UNKNOWN"; 4207 } 4208 } 4209 4210 static char * 4211 ata_raid_type(struct ar_softc *rdp) 4212 { 4213 switch (rdp->type) { 4214 case AR_T_JBOD: return "JBOD"; 4215 case AR_T_SPAN: return "SPAN"; 4216 case AR_T_RAID0: return "RAID0"; 4217 case AR_T_RAID1: return "RAID1"; 4218 case AR_T_RAID3: return "RAID3"; 4219 case AR_T_RAID4: return "RAID4"; 4220 case AR_T_RAID5: return "RAID5"; 4221 case AR_T_RAID01: return "RAID0+1"; 4222 default: return "UNKNOWN"; 4223 } 4224 } 4225 4226 static char * 4227 ata_raid_flags(struct ar_softc *rdp) 4228 { 4229 switch (rdp->status & (AR_S_READY | AR_S_DEGRADED | AR_S_REBUILDING)) { 4230 case AR_S_READY: return "READY"; 4231 case AR_S_READY | AR_S_DEGRADED: return "DEGRADED"; 4232 case AR_S_READY | AR_S_REBUILDING: 4233 case AR_S_READY | AR_S_DEGRADED | AR_S_REBUILDING: return "REBUILDING"; 4234 default: return "BROKEN"; 4235 } 4236 } 4237 4238 /* debugging gunk */ 4239 static void 4240 ata_raid_print_meta(struct ar_softc *raid) 4241 { 4242 int i; 4243 4244 kprintf("********** ATA PseudoRAID ar%d Metadata **********\n", raid->lun); 4245 kprintf("=================================================\n"); 4246 kprintf("format %s\n", ata_raid_format(raid)); 4247 kprintf("type %s\n", ata_raid_type(raid)); 4248 kprintf("flags 0x%02x %b\n", raid->status, raid->status, 4249 "\20\3REBUILDING\2DEGRADED\1READY\n"); 4250 kprintf("magic_0 0x%016jx\n", raid->magic_0); 4251 kprintf("magic_1 0x%016jx\n",raid->magic_1); 4252 kprintf("generation %u\n", raid->generation); 4253 kprintf("total_sectors %ju\n", raid->total_sectors); 4254 kprintf("offset_sectors %ju\n", raid->offset_sectors); 4255 kprintf("heads %u\n", raid->heads); 4256 kprintf("sectors %u\n", raid->sectors); 4257 kprintf("cylinders %u\n", raid->cylinders); 4258 kprintf("width %u\n", raid->width); 4259 kprintf("interleave %u\n", raid->interleave); 4260 kprintf("total_disks %u\n", raid->total_disks); 4261 for (i = 0; i < raid->total_disks; i++) { 4262 kprintf(" disk %d: flags = 0x%02x %b\n", i, raid->disks[i].flags, 4263 raid->disks[i].flags, "\20\4ONLINE\3SPARE\2ASSIGNED\1PRESENT\n"); 4264 if (raid->disks[i].dev) { 4265 kprintf(" "); 4266 device_printf(raid->disks[i].dev, " sectors %jd\n", 4267 raid->disks[i].sectors); 4268 } 4269 } 4270 kprintf("=================================================\n"); 4271 } 4272 4273 static char * 4274 ata_raid_adaptec_type(int type) 4275 { 4276 static char buffer[16]; 4277 4278 switch (type) { 4279 case ADP_T_RAID0: return "RAID0"; 4280 case ADP_T_RAID1: return "RAID1"; 4281 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4282 return buffer; 4283 } 4284 } 4285 4286 static void 4287 ata_raid_adaptec_print_meta(struct adaptec_raid_conf *meta) 4288 { 4289 int i; 4290 4291 kprintf("********* ATA Adaptec HostRAID Metadata *********\n"); 4292 kprintf("magic_0 <0x%08x>\n", be32toh(meta->magic_0)); 4293 kprintf("generation 0x%08x\n", be32toh(meta->generation)); 4294 kprintf("dummy_0 0x%04x\n", be16toh(meta->dummy_0)); 4295 kprintf("total_configs %u\n", be16toh(meta->total_configs)); 4296 kprintf("dummy_1 0x%04x\n", be16toh(meta->dummy_1)); 4297 kprintf("checksum 0x%04x\n", be16toh(meta->checksum)); 4298 kprintf("dummy_2 0x%08x\n", be32toh(meta->dummy_2)); 4299 kprintf("dummy_3 0x%08x\n", be32toh(meta->dummy_3)); 4300 kprintf("flags 0x%08x\n", be32toh(meta->flags)); 4301 kprintf("timestamp 0x%08x\n", be32toh(meta->timestamp)); 4302 kprintf("dummy_4 0x%08x 0x%08x 0x%08x 0x%08x\n", 4303 be32toh(meta->dummy_4[0]), be32toh(meta->dummy_4[1]), 4304 be32toh(meta->dummy_4[2]), be32toh(meta->dummy_4[3])); 4305 kprintf("dummy_5 0x%08x 0x%08x 0x%08x 0x%08x\n", 4306 be32toh(meta->dummy_5[0]), be32toh(meta->dummy_5[1]), 4307 be32toh(meta->dummy_5[2]), be32toh(meta->dummy_5[3])); 4308 4309 for (i = 0; i < be16toh(meta->total_configs); i++) { 4310 kprintf(" %d total_disks %u\n", i, 4311 be16toh(meta->configs[i].disk_number)); 4312 kprintf(" %d generation %u\n", i, 4313 be16toh(meta->configs[i].generation)); 4314 kprintf(" %d magic_0 0x%08x\n", i, 4315 be32toh(meta->configs[i].magic_0)); 4316 kprintf(" %d dummy_0 0x%02x\n", i, meta->configs[i].dummy_0); 4317 kprintf(" %d type %s\n", i, 4318 ata_raid_adaptec_type(meta->configs[i].type)); 4319 kprintf(" %d dummy_1 0x%02x\n", i, meta->configs[i].dummy_1); 4320 kprintf(" %d flags %d\n", i, 4321 be32toh(meta->configs[i].flags)); 4322 kprintf(" %d dummy_2 0x%02x\n", i, meta->configs[i].dummy_2); 4323 kprintf(" %d dummy_3 0x%02x\n", i, meta->configs[i].dummy_3); 4324 kprintf(" %d dummy_4 0x%02x\n", i, meta->configs[i].dummy_4); 4325 kprintf(" %d dummy_5 0x%02x\n", i, meta->configs[i].dummy_5); 4326 kprintf(" %d disk_number %u\n", i, 4327 be32toh(meta->configs[i].disk_number)); 4328 kprintf(" %d dummy_6 0x%08x\n", i, 4329 be32toh(meta->configs[i].dummy_6)); 4330 kprintf(" %d sectors %u\n", i, 4331 be32toh(meta->configs[i].sectors)); 4332 kprintf(" %d stripe_shift %u\n", i, 4333 be16toh(meta->configs[i].stripe_shift)); 4334 kprintf(" %d dummy_7 0x%08x\n", i, 4335 be32toh(meta->configs[i].dummy_7)); 4336 kprintf(" %d dummy_8 0x%08x 0x%08x 0x%08x 0x%08x\n", i, 4337 be32toh(meta->configs[i].dummy_8[0]), 4338 be32toh(meta->configs[i].dummy_8[1]), 4339 be32toh(meta->configs[i].dummy_8[2]), 4340 be32toh(meta->configs[i].dummy_8[3])); 4341 kprintf(" %d name <%s>\n", i, meta->configs[i].name); 4342 } 4343 kprintf("magic_1 <0x%08x>\n", be32toh(meta->magic_1)); 4344 kprintf("magic_2 <0x%08x>\n", be32toh(meta->magic_2)); 4345 kprintf("magic_3 <0x%08x>\n", be32toh(meta->magic_3)); 4346 kprintf("magic_4 <0x%08x>\n", be32toh(meta->magic_4)); 4347 kprintf("=================================================\n"); 4348 } 4349 4350 static char * 4351 ata_raid_hptv2_type(int type) 4352 { 4353 static char buffer[16]; 4354 4355 switch (type) { 4356 case HPTV2_T_RAID0: return "RAID0"; 4357 case HPTV2_T_RAID1: return "RAID1"; 4358 case HPTV2_T_RAID01_RAID0: return "RAID01_RAID0"; 4359 case HPTV2_T_SPAN: return "SPAN"; 4360 case HPTV2_T_RAID_3: return "RAID3"; 4361 case HPTV2_T_RAID_5: return "RAID5"; 4362 case HPTV2_T_JBOD: return "JBOD"; 4363 case HPTV2_T_RAID01_RAID1: return "RAID01_RAID1"; 4364 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4365 return buffer; 4366 } 4367 } 4368 4369 static void 4370 ata_raid_hptv2_print_meta(struct hptv2_raid_conf *meta) 4371 { 4372 int i; 4373 4374 kprintf("****** ATA Highpoint V2 RocketRAID Metadata *****\n"); 4375 kprintf("magic 0x%08x\n", meta->magic); 4376 kprintf("magic_0 0x%08x\n", meta->magic_0); 4377 kprintf("magic_1 0x%08x\n", meta->magic_1); 4378 kprintf("order 0x%08x\n", meta->order); 4379 kprintf("array_width %u\n", meta->array_width); 4380 kprintf("stripe_shift %u\n", meta->stripe_shift); 4381 kprintf("type %s\n", ata_raid_hptv2_type(meta->type)); 4382 kprintf("disk_number %u\n", meta->disk_number); 4383 kprintf("total_sectors %u\n", meta->total_sectors); 4384 kprintf("disk_mode 0x%08x\n", meta->disk_mode); 4385 kprintf("boot_mode 0x%08x\n", meta->boot_mode); 4386 kprintf("boot_disk 0x%02x\n", meta->boot_disk); 4387 kprintf("boot_protect 0x%02x\n", meta->boot_protect); 4388 kprintf("log_entries 0x%02x\n", meta->error_log_entries); 4389 kprintf("log_index 0x%02x\n", meta->error_log_index); 4390 if (meta->error_log_entries) { 4391 kprintf(" timestamp reason disk status sectors lba\n"); 4392 for (i = meta->error_log_index; 4393 i < meta->error_log_index + meta->error_log_entries; i++) 4394 kprintf(" 0x%08x 0x%02x 0x%02x 0x%02x 0x%02x 0x%08x\n", 4395 meta->errorlog[i%32].timestamp, 4396 meta->errorlog[i%32].reason, 4397 meta->errorlog[i%32].disk, meta->errorlog[i%32].status, 4398 meta->errorlog[i%32].sectors, meta->errorlog[i%32].lba); 4399 } 4400 kprintf("rebuild_lba 0x%08x\n", meta->rebuild_lba); 4401 kprintf("dummy_1 0x%02x\n", meta->dummy_1); 4402 kprintf("name_1 <%.15s>\n", meta->name_1); 4403 kprintf("dummy_2 0x%02x\n", meta->dummy_2); 4404 kprintf("name_2 <%.15s>\n", meta->name_2); 4405 kprintf("=================================================\n"); 4406 } 4407 4408 static char * 4409 ata_raid_hptv3_type(int type) 4410 { 4411 static char buffer[16]; 4412 4413 switch (type) { 4414 case HPTV3_T_SPARE: return "SPARE"; 4415 case HPTV3_T_JBOD: return "JBOD"; 4416 case HPTV3_T_SPAN: return "SPAN"; 4417 case HPTV3_T_RAID0: return "RAID0"; 4418 case HPTV3_T_RAID1: return "RAID1"; 4419 case HPTV3_T_RAID3: return "RAID3"; 4420 case HPTV3_T_RAID5: return "RAID5"; 4421 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4422 return buffer; 4423 } 4424 } 4425 4426 static void 4427 ata_raid_hptv3_print_meta(struct hptv3_raid_conf *meta) 4428 { 4429 int i; 4430 4431 kprintf("****** ATA Highpoint V3 RocketRAID Metadata *****\n"); 4432 kprintf("magic 0x%08x\n", meta->magic); 4433 kprintf("magic_0 0x%08x\n", meta->magic_0); 4434 kprintf("checksum_0 0x%02x\n", meta->checksum_0); 4435 kprintf("mode 0x%02x\n", meta->mode); 4436 kprintf("user_mode 0x%02x\n", meta->user_mode); 4437 kprintf("config_entries 0x%02x\n", meta->config_entries); 4438 for (i = 0; i < meta->config_entries; i++) { 4439 kprintf("config %d:\n", i); 4440 kprintf(" total_sectors %ju\n", 4441 meta->configs[0].total_sectors + 4442 ((u_int64_t)meta->configs_high[0].total_sectors << 32)); 4443 kprintf(" type %s\n", 4444 ata_raid_hptv3_type(meta->configs[i].type)); 4445 kprintf(" total_disks %u\n", meta->configs[i].total_disks); 4446 kprintf(" disk_number %u\n", meta->configs[i].disk_number); 4447 kprintf(" stripe_shift %u\n", meta->configs[i].stripe_shift); 4448 kprintf(" status %b\n", meta->configs[i].status, 4449 "\20\2RAID5\1NEED_REBUILD\n"); 4450 kprintf(" critical_disks %u\n", meta->configs[i].critical_disks); 4451 kprintf(" rebuild_lba %ju\n", 4452 meta->configs_high[0].rebuild_lba + 4453 ((u_int64_t)meta->configs_high[0].rebuild_lba << 32)); 4454 } 4455 kprintf("name <%.16s>\n", meta->name); 4456 kprintf("timestamp 0x%08x\n", meta->timestamp); 4457 kprintf("description <%.16s>\n", meta->description); 4458 kprintf("creator <%.16s>\n", meta->creator); 4459 kprintf("checksum_1 0x%02x\n", meta->checksum_1); 4460 kprintf("dummy_0 0x%02x\n", meta->dummy_0); 4461 kprintf("dummy_1 0x%02x\n", meta->dummy_1); 4462 kprintf("flags %b\n", meta->flags, 4463 "\20\4RCACHE\3WCACHE\2NCQ\1TCQ\n"); 4464 kprintf("=================================================\n"); 4465 } 4466 4467 static char * 4468 ata_raid_intel_type(int type) 4469 { 4470 static char buffer[16]; 4471 4472 switch (type) { 4473 case INTEL_T_RAID0: return "RAID0"; 4474 case INTEL_T_RAID1: return "RAID1"; 4475 case INTEL_T_RAID5: return "RAID5"; 4476 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4477 return buffer; 4478 } 4479 } 4480 4481 static void 4482 ata_raid_intel_print_meta(struct intel_raid_conf *meta) 4483 { 4484 struct intel_raid_mapping *map; 4485 int i, j; 4486 4487 kprintf("********* ATA Intel MatrixRAID Metadata *********\n"); 4488 kprintf("intel_id <%.24s>\n", meta->intel_id); 4489 kprintf("version <%.6s>\n", meta->version); 4490 kprintf("checksum 0x%08x\n", meta->checksum); 4491 kprintf("config_size 0x%08x\n", meta->config_size); 4492 kprintf("config_id 0x%08x\n", meta->config_id); 4493 kprintf("generation 0x%08x\n", meta->generation); 4494 kprintf("total_disks %u\n", meta->total_disks); 4495 kprintf("total_volumes %u\n", meta->total_volumes); 4496 kprintf("DISK# serial disk_sectors disk_id flags\n"); 4497 for (i = 0; i < meta->total_disks; i++ ) { 4498 kprintf(" %d <%.16s> %u 0x%08x 0x%08x\n", i, 4499 meta->disk[i].serial, meta->disk[i].sectors, 4500 meta->disk[i].id, meta->disk[i].flags); 4501 } 4502 map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks]; 4503 for (j = 0; j < meta->total_volumes; j++) { 4504 kprintf("name %.16s\n", map->name); 4505 kprintf("total_sectors %ju\n", map->total_sectors); 4506 kprintf("state %u\n", map->state); 4507 kprintf("reserved %u\n", map->reserved); 4508 kprintf("offset %u\n", map->offset); 4509 kprintf("disk_sectors %u\n", map->disk_sectors); 4510 kprintf("stripe_count %u\n", map->stripe_count); 4511 kprintf("stripe_sectors %u\n", map->stripe_sectors); 4512 kprintf("status %u\n", map->status); 4513 kprintf("type %s\n", ata_raid_intel_type(map->type)); 4514 kprintf("total_disks %u\n", map->total_disks); 4515 kprintf("magic[0] 0x%02x\n", map->magic[0]); 4516 kprintf("magic[1] 0x%02x\n", map->magic[1]); 4517 kprintf("magic[2] 0x%02x\n", map->magic[2]); 4518 for (i = 0; i < map->total_disks; i++ ) { 4519 kprintf(" disk %d at disk_idx 0x%08x\n", i, map->disk_idx[i]); 4520 } 4521 map = (struct intel_raid_mapping *)&map->disk_idx[map->total_disks]; 4522 } 4523 kprintf("=================================================\n"); 4524 } 4525 4526 static char * 4527 ata_raid_ite_type(int type) 4528 { 4529 static char buffer[16]; 4530 4531 switch (type) { 4532 case ITE_T_RAID0: return "RAID0"; 4533 case ITE_T_RAID1: return "RAID1"; 4534 case ITE_T_RAID01: return "RAID0+1"; 4535 case ITE_T_SPAN: return "SPAN"; 4536 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4537 return buffer; 4538 } 4539 } 4540 4541 static void 4542 ata_raid_ite_print_meta(struct ite_raid_conf *meta) 4543 { 4544 kprintf("*** ATA Integrated Technology Express Metadata **\n"); 4545 kprintf("ite_id <%.40s>\n", meta->ite_id); 4546 kprintf("timestamp_0 %04x/%02x/%02x %02x:%02x:%02x.%02x\n", 4547 *((u_int16_t *)meta->timestamp_0), meta->timestamp_0[2], 4548 meta->timestamp_0[3], meta->timestamp_0[5], meta->timestamp_0[4], 4549 meta->timestamp_0[7], meta->timestamp_0[6]); 4550 kprintf("total_sectors %jd\n", meta->total_sectors); 4551 kprintf("type %s\n", ata_raid_ite_type(meta->type)); 4552 kprintf("stripe_1kblocks %u\n", meta->stripe_1kblocks); 4553 kprintf("timestamp_1 %04x/%02x/%02x %02x:%02x:%02x.%02x\n", 4554 *((u_int16_t *)meta->timestamp_1), meta->timestamp_1[2], 4555 meta->timestamp_1[3], meta->timestamp_1[5], meta->timestamp_1[4], 4556 meta->timestamp_1[7], meta->timestamp_1[6]); 4557 kprintf("stripe_sectors %u\n", meta->stripe_sectors); 4558 kprintf("array_width %u\n", meta->array_width); 4559 kprintf("disk_number %u\n", meta->disk_number); 4560 kprintf("disk_sectors %u\n", meta->disk_sectors); 4561 kprintf("=================================================\n"); 4562 } 4563 4564 static char * 4565 ata_raid_jmicron_type(int type) 4566 { 4567 static char buffer[16]; 4568 4569 switch (type) { 4570 case JM_T_RAID0: return "RAID0"; 4571 case JM_T_RAID1: return "RAID1"; 4572 case JM_T_RAID01: return "RAID0+1"; 4573 case JM_T_JBOD: return "JBOD"; 4574 case JM_T_RAID5: return "RAID5"; 4575 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4576 return buffer; 4577 } 4578 } 4579 4580 static void 4581 ata_raid_jmicron_print_meta(struct jmicron_raid_conf *meta) 4582 { 4583 int i; 4584 4585 kprintf("***** ATA JMicron Technology Corp Metadata ******\n"); 4586 kprintf("signature %.2s\n", meta->signature); 4587 kprintf("version 0x%04x\n", meta->version); 4588 kprintf("checksum 0x%04x\n", meta->checksum); 4589 kprintf("disk_id 0x%08x\n", meta->disk_id); 4590 kprintf("offset 0x%08x\n", meta->offset); 4591 kprintf("disk_sectors_low 0x%08x\n", meta->disk_sectors_low); 4592 kprintf("disk_sectors_high 0x%08x\n", meta->disk_sectors_high); 4593 kprintf("name %.16s\n", meta->name); 4594 kprintf("type %s\n", ata_raid_jmicron_type(meta->type)); 4595 kprintf("stripe_shift %d\n", meta->stripe_shift); 4596 kprintf("flags 0x%04x\n", meta->flags); 4597 kprintf("spare:\n"); 4598 for (i=0; i < 2 && meta->spare[i]; i++) 4599 kprintf(" %d 0x%08x\n", i, meta->spare[i]); 4600 kprintf("disks:\n"); 4601 for (i=0; i < 8 && meta->disks[i]; i++) 4602 kprintf(" %d 0x%08x\n", i, meta->disks[i]); 4603 kprintf("=================================================\n"); 4604 } 4605 4606 static char * 4607 ata_raid_lsiv2_type(int type) 4608 { 4609 static char buffer[16]; 4610 4611 switch (type) { 4612 case LSIV2_T_RAID0: return "RAID0"; 4613 case LSIV2_T_RAID1: return "RAID1"; 4614 case LSIV2_T_SPARE: return "SPARE"; 4615 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4616 return buffer; 4617 } 4618 } 4619 4620 static void 4621 ata_raid_lsiv2_print_meta(struct lsiv2_raid_conf *meta) 4622 { 4623 int i; 4624 4625 kprintf("******* ATA LSILogic V2 MegaRAID Metadata *******\n"); 4626 kprintf("lsi_id <%s>\n", meta->lsi_id); 4627 kprintf("dummy_0 0x%02x\n", meta->dummy_0); 4628 kprintf("flags 0x%02x\n", meta->flags); 4629 kprintf("version 0x%04x\n", meta->version); 4630 kprintf("config_entries 0x%02x\n", meta->config_entries); 4631 kprintf("raid_count 0x%02x\n", meta->raid_count); 4632 kprintf("total_disks 0x%02x\n", meta->total_disks); 4633 kprintf("dummy_1 0x%02x\n", meta->dummy_1); 4634 kprintf("dummy_2 0x%04x\n", meta->dummy_2); 4635 for (i = 0; i < meta->config_entries; i++) { 4636 kprintf(" type %s\n", 4637 ata_raid_lsiv2_type(meta->configs[i].raid.type)); 4638 kprintf(" dummy_0 %02x\n", meta->configs[i].raid.dummy_0); 4639 kprintf(" stripe_sectors %u\n", 4640 meta->configs[i].raid.stripe_sectors); 4641 kprintf(" array_width %u\n", 4642 meta->configs[i].raid.array_width); 4643 kprintf(" disk_count %u\n", meta->configs[i].raid.disk_count); 4644 kprintf(" config_offset %u\n", 4645 meta->configs[i].raid.config_offset); 4646 kprintf(" dummy_1 %u\n", meta->configs[i].raid.dummy_1); 4647 kprintf(" flags %02x\n", meta->configs[i].raid.flags); 4648 kprintf(" total_sectors %u\n", 4649 meta->configs[i].raid.total_sectors); 4650 } 4651 kprintf("disk_number 0x%02x\n", meta->disk_number); 4652 kprintf("raid_number 0x%02x\n", meta->raid_number); 4653 kprintf("timestamp 0x%08x\n", meta->timestamp); 4654 kprintf("=================================================\n"); 4655 } 4656 4657 static char * 4658 ata_raid_lsiv3_type(int type) 4659 { 4660 static char buffer[16]; 4661 4662 switch (type) { 4663 case LSIV3_T_RAID0: return "RAID0"; 4664 case LSIV3_T_RAID1: return "RAID1"; 4665 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4666 return buffer; 4667 } 4668 } 4669 4670 static void 4671 ata_raid_lsiv3_print_meta(struct lsiv3_raid_conf *meta) 4672 { 4673 int i; 4674 4675 kprintf("******* ATA LSILogic V3 MegaRAID Metadata *******\n"); 4676 kprintf("lsi_id <%.6s>\n", meta->lsi_id); 4677 kprintf("dummy_0 0x%04x\n", meta->dummy_0); 4678 kprintf("version 0x%04x\n", meta->version); 4679 kprintf("dummy_0 0x%04x\n", meta->dummy_1); 4680 kprintf("RAID configs:\n"); 4681 for (i = 0; i < 8; i++) { 4682 if (meta->raid[i].total_disks) { 4683 kprintf("%02d stripe_pages %u\n", i, 4684 meta->raid[i].stripe_pages); 4685 kprintf("%02d type %s\n", i, 4686 ata_raid_lsiv3_type(meta->raid[i].type)); 4687 kprintf("%02d total_disks %u\n", i, 4688 meta->raid[i].total_disks); 4689 kprintf("%02d array_width %u\n", i, 4690 meta->raid[i].array_width); 4691 kprintf("%02d sectors %u\n", i, meta->raid[i].sectors); 4692 kprintf("%02d offset %u\n", i, meta->raid[i].offset); 4693 kprintf("%02d device 0x%02x\n", i, 4694 meta->raid[i].device); 4695 } 4696 } 4697 kprintf("DISK configs:\n"); 4698 for (i = 0; i < 6; i++) { 4699 if (meta->disk[i].disk_sectors) { 4700 kprintf("%02d disk_sectors %u\n", i, 4701 meta->disk[i].disk_sectors); 4702 kprintf("%02d flags 0x%02x\n", i, meta->disk[i].flags); 4703 } 4704 } 4705 kprintf("device 0x%02x\n", meta->device); 4706 kprintf("timestamp 0x%08x\n", meta->timestamp); 4707 kprintf("checksum_1 0x%02x\n", meta->checksum_1); 4708 kprintf("=================================================\n"); 4709 } 4710 4711 static char * 4712 ata_raid_nvidia_type(int type) 4713 { 4714 static char buffer[16]; 4715 4716 switch (type) { 4717 case NV_T_SPAN: return "SPAN"; 4718 case NV_T_RAID0: return "RAID0"; 4719 case NV_T_RAID1: return "RAID1"; 4720 case NV_T_RAID3: return "RAID3"; 4721 case NV_T_RAID5: return "RAID5"; 4722 case NV_T_RAID01: return "RAID0+1"; 4723 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4724 return buffer; 4725 } 4726 } 4727 4728 static void 4729 ata_raid_nvidia_print_meta(struct nvidia_raid_conf *meta) 4730 { 4731 kprintf("******** ATA nVidia MediaShield Metadata ********\n"); 4732 kprintf("nvidia_id <%.8s>\n", meta->nvidia_id); 4733 kprintf("config_size %d\n", meta->config_size); 4734 kprintf("checksum 0x%08x\n", meta->checksum); 4735 kprintf("version 0x%04x\n", meta->version); 4736 kprintf("disk_number %d\n", meta->disk_number); 4737 kprintf("dummy_0 0x%02x\n", meta->dummy_0); 4738 kprintf("total_sectors %d\n", meta->total_sectors); 4739 kprintf("sectors_size %d\n", meta->sector_size); 4740 kprintf("serial %.16s\n", meta->serial); 4741 kprintf("revision %.4s\n", meta->revision); 4742 kprintf("dummy_1 0x%08x\n", meta->dummy_1); 4743 kprintf("magic_0 0x%08x\n", meta->magic_0); 4744 kprintf("magic_1 0x%016jx\n", meta->magic_1); 4745 kprintf("magic_2 0x%016jx\n", meta->magic_2); 4746 kprintf("flags 0x%02x\n", meta->flags); 4747 kprintf("array_width %d\n", meta->array_width); 4748 kprintf("total_disks %d\n", meta->total_disks); 4749 kprintf("dummy_2 0x%02x\n", meta->dummy_2); 4750 kprintf("type %s\n", ata_raid_nvidia_type(meta->type)); 4751 kprintf("dummy_3 0x%04x\n", meta->dummy_3); 4752 kprintf("stripe_sectors %d\n", meta->stripe_sectors); 4753 kprintf("stripe_bytes %d\n", meta->stripe_bytes); 4754 kprintf("stripe_shift %d\n", meta->stripe_shift); 4755 kprintf("stripe_mask 0x%08x\n", meta->stripe_mask); 4756 kprintf("stripe_sizesectors %d\n", meta->stripe_sizesectors); 4757 kprintf("stripe_sizebytes %d\n", meta->stripe_sizebytes); 4758 kprintf("rebuild_lba %d\n", meta->rebuild_lba); 4759 kprintf("dummy_4 0x%08x\n", meta->dummy_4); 4760 kprintf("dummy_5 0x%08x\n", meta->dummy_5); 4761 kprintf("status 0x%08x\n", meta->status); 4762 kprintf("=================================================\n"); 4763 } 4764 4765 static char * 4766 ata_raid_promise_type(int type) 4767 { 4768 static char buffer[16]; 4769 4770 switch (type) { 4771 case PR_T_RAID0: return "RAID0"; 4772 case PR_T_RAID1: return "RAID1"; 4773 case PR_T_RAID3: return "RAID3"; 4774 case PR_T_RAID5: return "RAID5"; 4775 case PR_T_SPAN: return "SPAN"; 4776 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4777 return buffer; 4778 } 4779 } 4780 4781 static void 4782 ata_raid_promise_print_meta(struct promise_raid_conf *meta) 4783 { 4784 int i; 4785 4786 kprintf("********* ATA Promise FastTrak Metadata *********\n"); 4787 kprintf("promise_id <%s>\n", meta->promise_id); 4788 kprintf("dummy_0 0x%08x\n", meta->dummy_0); 4789 kprintf("magic_0 0x%016jx\n", meta->magic_0); 4790 kprintf("magic_1 0x%04x\n", meta->magic_1); 4791 kprintf("magic_2 0x%08x\n", meta->magic_2); 4792 kprintf("integrity 0x%08x %b\n", meta->raid.integrity, 4793 meta->raid.integrity, "\20\10VALID\n" ); 4794 kprintf("flags 0x%02x %b\n", 4795 meta->raid.flags, meta->raid.flags, 4796 "\20\10READY\7DOWN\6REDIR\5DUPLICATE\4SPARE" 4797 "\3ASSIGNED\2ONLINE\1VALID\n"); 4798 kprintf("disk_number %d\n", meta->raid.disk_number); 4799 kprintf("channel 0x%02x\n", meta->raid.channel); 4800 kprintf("device 0x%02x\n", meta->raid.device); 4801 kprintf("magic_0 0x%016jx\n", meta->raid.magic_0); 4802 kprintf("disk_offset %u\n", meta->raid.disk_offset); 4803 kprintf("disk_sectors %u\n", meta->raid.disk_sectors); 4804 kprintf("rebuild_lba 0x%08x\n", meta->raid.rebuild_lba); 4805 kprintf("generation 0x%04x\n", meta->raid.generation); 4806 kprintf("status 0x%02x %b\n", 4807 meta->raid.status, meta->raid.status, 4808 "\20\6MARKED\5DEGRADED\4READY\3INITED\2ONLINE\1VALID\n"); 4809 kprintf("type %s\n", ata_raid_promise_type(meta->raid.type)); 4810 kprintf("total_disks %u\n", meta->raid.total_disks); 4811 kprintf("stripe_shift %u\n", meta->raid.stripe_shift); 4812 kprintf("array_width %u\n", meta->raid.array_width); 4813 kprintf("array_number %u\n", meta->raid.array_number); 4814 kprintf("total_sectors %u\n", meta->raid.total_sectors); 4815 kprintf("cylinders %u\n", meta->raid.cylinders); 4816 kprintf("heads %u\n", meta->raid.heads); 4817 kprintf("sectors %u\n", meta->raid.sectors); 4818 kprintf("magic_1 0x%016jx\n", meta->raid.magic_1); 4819 kprintf("DISK# flags dummy_0 channel device magic_0\n"); 4820 for (i = 0; i < 8; i++) { 4821 kprintf(" %d %b 0x%02x 0x%02x 0x%02x ", 4822 i, meta->raid.disk[i].flags, 4823 "\20\10READY\7DOWN\6REDIR\5DUPLICATE\4SPARE" 4824 "\3ASSIGNED\2ONLINE\1VALID\n", meta->raid.disk[i].dummy_0, 4825 meta->raid.disk[i].channel, meta->raid.disk[i].device); 4826 kprintf("0x%016jx\n", meta->raid.disk[i].magic_0); 4827 } 4828 kprintf("checksum 0x%08x\n", meta->checksum); 4829 kprintf("=================================================\n"); 4830 } 4831 4832 static char * 4833 ata_raid_sii_type(int type) 4834 { 4835 static char buffer[16]; 4836 4837 switch (type) { 4838 case SII_T_RAID0: return "RAID0"; 4839 case SII_T_RAID1: return "RAID1"; 4840 case SII_T_RAID01: return "RAID0+1"; 4841 case SII_T_SPARE: return "SPARE"; 4842 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4843 return buffer; 4844 } 4845 } 4846 4847 static void 4848 ata_raid_sii_print_meta(struct sii_raid_conf *meta) 4849 { 4850 kprintf("******* ATA Silicon Image Medley Metadata *******\n"); 4851 kprintf("total_sectors %ju\n", meta->total_sectors); 4852 kprintf("dummy_0 0x%04x\n", meta->dummy_0); 4853 kprintf("dummy_1 0x%04x\n", meta->dummy_1); 4854 kprintf("controller_pci_id 0x%08x\n", meta->controller_pci_id); 4855 kprintf("version_minor 0x%04x\n", meta->version_minor); 4856 kprintf("version_major 0x%04x\n", meta->version_major); 4857 kprintf("timestamp 20%02x/%02x/%02x %02x:%02x:%02x\n", 4858 meta->timestamp[5], meta->timestamp[4], meta->timestamp[3], 4859 meta->timestamp[2], meta->timestamp[1], meta->timestamp[0]); 4860 kprintf("stripe_sectors %u\n", meta->stripe_sectors); 4861 kprintf("dummy_2 0x%04x\n", meta->dummy_2); 4862 kprintf("disk_number %u\n", meta->disk_number); 4863 kprintf("type %s\n", ata_raid_sii_type(meta->type)); 4864 kprintf("raid0_disks %u\n", meta->raid0_disks); 4865 kprintf("raid0_ident %u\n", meta->raid0_ident); 4866 kprintf("raid1_disks %u\n", meta->raid1_disks); 4867 kprintf("raid1_ident %u\n", meta->raid1_ident); 4868 kprintf("rebuild_lba %ju\n", meta->rebuild_lba); 4869 kprintf("generation 0x%08x\n", meta->generation); 4870 kprintf("status 0x%02x %b\n", 4871 meta->status, meta->status, 4872 "\20\1READY\n"); 4873 kprintf("base_raid1_position %02x\n", meta->base_raid1_position); 4874 kprintf("base_raid0_position %02x\n", meta->base_raid0_position); 4875 kprintf("position %02x\n", meta->position); 4876 kprintf("dummy_3 %04x\n", meta->dummy_3); 4877 kprintf("name <%.16s>\n", meta->name); 4878 kprintf("checksum_0 0x%04x\n", meta->checksum_0); 4879 kprintf("checksum_1 0x%04x\n", meta->checksum_1); 4880 kprintf("=================================================\n"); 4881 } 4882 4883 static char * 4884 ata_raid_sis_type(int type) 4885 { 4886 static char buffer[16]; 4887 4888 switch (type) { 4889 case SIS_T_JBOD: return "JBOD"; 4890 case SIS_T_RAID0: return "RAID0"; 4891 case SIS_T_RAID1: return "RAID1"; 4892 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4893 return buffer; 4894 } 4895 } 4896 4897 static void 4898 ata_raid_sis_print_meta(struct sis_raid_conf *meta) 4899 { 4900 kprintf("**** ATA Silicon Integrated Systems Metadata ****\n"); 4901 kprintf("magic 0x%04x\n", meta->magic); 4902 kprintf("disks 0x%02x\n", meta->disks); 4903 kprintf("type %s\n", 4904 ata_raid_sis_type(meta->type_total_disks & SIS_T_MASK)); 4905 kprintf("total_disks %u\n", meta->type_total_disks & SIS_D_MASK); 4906 kprintf("dummy_0 0x%08x\n", meta->dummy_0); 4907 kprintf("controller_pci_id 0x%08x\n", meta->controller_pci_id); 4908 kprintf("stripe_sectors %u\n", meta->stripe_sectors); 4909 kprintf("dummy_1 0x%04x\n", meta->dummy_1); 4910 kprintf("timestamp 0x%08x\n", meta->timestamp); 4911 kprintf("model %.40s\n", meta->model); 4912 kprintf("disk_number %u\n", meta->disk_number); 4913 kprintf("dummy_2 0x%02x 0x%02x 0x%02x\n", 4914 meta->dummy_2[0], meta->dummy_2[1], meta->dummy_2[2]); 4915 kprintf("=================================================\n"); 4916 } 4917 4918 static char * 4919 ata_raid_via_type(int type) 4920 { 4921 static char buffer[16]; 4922 4923 switch (type) { 4924 case VIA_T_RAID0: return "RAID0"; 4925 case VIA_T_RAID1: return "RAID1"; 4926 case VIA_T_RAID5: return "RAID5"; 4927 case VIA_T_RAID01: return "RAID0+1"; 4928 case VIA_T_SPAN: return "SPAN"; 4929 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4930 return buffer; 4931 } 4932 } 4933 4934 static void 4935 ata_raid_via_print_meta(struct via_raid_conf *meta) 4936 { 4937 int i; 4938 4939 kprintf("*************** ATA VIA Metadata ****************\n"); 4940 kprintf("magic 0x%02x\n", meta->magic); 4941 kprintf("dummy_0 0x%02x\n", meta->dummy_0); 4942 kprintf("type %s\n", 4943 ata_raid_via_type(meta->type & VIA_T_MASK)); 4944 kprintf("bootable %d\n", meta->type & VIA_T_BOOTABLE); 4945 kprintf("unknown %d\n", meta->type & VIA_T_UNKNOWN); 4946 kprintf("disk_index 0x%02x\n", meta->disk_index); 4947 kprintf("stripe_layout 0x%02x\n", meta->stripe_layout); 4948 kprintf(" stripe_disks %d\n", meta->stripe_layout & VIA_L_DISKS); 4949 kprintf(" stripe_sectors %d\n", 4950 0x08 << ((meta->stripe_layout & VIA_L_MASK) >> VIA_L_SHIFT)); 4951 kprintf("disk_sectors %ju\n", meta->disk_sectors); 4952 kprintf("disk_id 0x%08x\n", meta->disk_id); 4953 kprintf("DISK# disk_id\n"); 4954 for (i = 0; i < 8; i++) { 4955 if (meta->disks[i]) 4956 kprintf(" %d 0x%08x\n", i, meta->disks[i]); 4957 } 4958 kprintf("checksum 0x%02x\n", meta->checksum); 4959 kprintf("=================================================\n"); 4960 } 4961