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 1.5 2007/02/08 21:48:24 tgen 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 cdev_t cdev; 137 char buffer[32]; 138 int disk; 139 140 spin_init(&rdp->lock); 141 ata_raid_config_changed(rdp, writeback); 142 143 /* sanitize arrays total_size % (width * interleave) == 0 */ 144 if (rdp->type == AR_T_RAID0 || rdp->type == AR_T_RAID01 || 145 rdp->type == AR_T_RAID5) { 146 rdp->total_sectors = (rdp->total_sectors/(rdp->interleave*rdp->width))* 147 (rdp->interleave * rdp->width); 148 ksprintf(buffer, " (stripe %d KB)", 149 (rdp->interleave * DEV_BSIZE) / 1024); 150 } 151 else 152 buffer[0] = '\0'; 153 /* XXX TGEN add devstats? */ 154 cdev = disk_create(rdp->lun, &rdp->disk, 0, &ar_ops); 155 cdev->si_drv1 = rdp; 156 cdev->si_iosize_max = 128 * DEV_BSIZE; 157 rdp->cdev = cdev; 158 bzero(&rdp->disk.d_label, sizeof(struct disklabel)); 159 rdp->disk.d_label.d_secsize = DEV_BSIZE; 160 rdp->disk.d_label.d_nsectors = rdp->sectors; 161 rdp->disk.d_label.d_ntracks = rdp->heads; 162 rdp->disk.d_label.d_ncylinders = rdp->total_sectors/(rdp->heads*rdp->sectors); 163 rdp->disk.d_label.d_secpercyl = rdp->sectors * rdp->heads; 164 rdp->disk.d_label.d_secperunit = rdp->total_sectors; 165 166 kprintf("ar%d: %juMB <%s %s%s> status: %s\n", rdp->lun, 167 rdp->total_sectors / ((1024L * 1024L) / DEV_BSIZE), 168 ata_raid_format(rdp), ata_raid_type(rdp), 169 buffer, ata_raid_flags(rdp)); 170 171 if (testing || bootverbose) 172 kprintf("ar%d: %ju sectors [%dC/%dH/%dS] <%s> subdisks defined as:\n", 173 rdp->lun, rdp->total_sectors, 174 rdp->cylinders, rdp->heads, rdp->sectors, rdp->name); 175 176 for (disk = 0; disk < rdp->total_disks; disk++) { 177 kprintf("ar%d: disk%d ", rdp->lun, disk); 178 if (rdp->disks[disk].dev) { 179 if (rdp->disks[disk].flags & AR_DF_PRESENT) { 180 /* status of this disk in the array */ 181 if (rdp->disks[disk].flags & AR_DF_ONLINE) 182 kprintf("READY "); 183 else if (rdp->disks[disk].flags & AR_DF_SPARE) 184 kprintf("SPARE "); 185 else 186 kprintf("FREE "); 187 188 /* what type of disk is this in the array */ 189 switch (rdp->type) { 190 case AR_T_RAID1: 191 case AR_T_RAID01: 192 if (disk < rdp->width) 193 kprintf("(master) "); 194 else 195 kprintf("(mirror) "); 196 } 197 198 /* which physical disk is used */ 199 kprintf("using %s at ata%d-%s\n", 200 device_get_nameunit(rdp->disks[disk].dev), 201 device_get_unit(device_get_parent(rdp->disks[disk].dev)), 202 (((struct ata_device *) 203 device_get_softc(rdp->disks[disk].dev))->unit == 204 ATA_MASTER) ? "master" : "slave"); 205 } 206 else if (rdp->disks[disk].flags & AR_DF_ASSIGNED) 207 kprintf("DOWN\n"); 208 else 209 kprintf("INVALID no RAID config on this subdisk\n"); 210 } 211 else 212 kprintf("DOWN no device found for this subdisk\n"); 213 } 214 } 215 216 /* 217 * ATA PseudoRAID ioctl function. Note that this does not need to be adjusted 218 * to the dev_ops way, because it's just chained from the generic ata ioctl. 219 */ 220 static int 221 ata_raid_ioctl(u_long cmd, caddr_t data) 222 { 223 struct ata_ioc_raid_config *config = (struct ata_ioc_raid_config *)data; 224 int *lun = (int *)data; 225 int error = EOPNOTSUPP; 226 227 switch (cmd) { 228 case IOCATARAIDSTATUS: 229 error = ata_raid_status(config); 230 break; 231 232 case IOCATARAIDCREATE: 233 error = ata_raid_create(config); 234 break; 235 236 case IOCATARAIDDELETE: 237 error = ata_raid_delete(*lun); 238 break; 239 240 case IOCATARAIDADDSPARE: 241 error = ata_raid_addspare(config); 242 break; 243 244 case IOCATARAIDREBUILD: 245 error = ata_raid_rebuild(*lun); 246 break; 247 } 248 return error; 249 } 250 251 /* 252 * XXX TGEN there are a lot of offset -> block number conversions going on 253 * here, which is suboptimal. 254 */ 255 static int 256 ata_raid_strategy(struct dev_strategy_args *ap) 257 { 258 struct ar_softc *rdp = ap->a_head.a_dev->si_drv1; 259 struct bio *bp = ap->a_bio; 260 struct buf *bbp = bp->bio_buf; 261 struct ata_request *request; 262 caddr_t data; 263 u_int64_t blkno, lba, blk = 0; 264 int count, chunk, drv, par = 0, change = 0; 265 266 if (!(rdp->status & AR_S_READY) || 267 (bbp->b_cmd != BUF_CMD_READ && bbp->b_cmd != BUF_CMD_WRITE)) { 268 bbp->b_flags |= B_ERROR; 269 bbp->b_error = EIO; 270 biodone(bp); 271 return(0); 272 } 273 274 bbp->b_resid = bbp->b_bcount; 275 for (count = howmany(bbp->b_bcount, DEV_BSIZE), 276 /* bio_offset is byte granularity, convert */ 277 blkno = (u_int64_t)(bp->bio_offset >> DEV_BSHIFT), 278 data = bbp->b_data; 279 count > 0; 280 count -= chunk, blkno += chunk, data += (chunk * DEV_BSIZE)) { 281 282 switch (rdp->type) { 283 case AR_T_RAID1: 284 drv = 0; 285 lba = blkno; 286 chunk = count; 287 break; 288 289 case AR_T_JBOD: 290 case AR_T_SPAN: 291 drv = 0; 292 lba = blkno; 293 while (lba >= rdp->disks[drv].sectors) 294 lba -= rdp->disks[drv++].sectors; 295 chunk = min(rdp->disks[drv].sectors - lba, count); 296 break; 297 298 case AR_T_RAID0: 299 case AR_T_RAID01: 300 chunk = blkno % rdp->interleave; 301 drv = (blkno / rdp->interleave) % rdp->width; 302 lba = (((blkno/rdp->interleave)/rdp->width)*rdp->interleave)+chunk; 303 chunk = min(count, rdp->interleave - chunk); 304 break; 305 306 case AR_T_RAID5: 307 drv = (blkno / rdp->interleave) % (rdp->width - 1); 308 par = rdp->width - 1 - 309 (blkno / (rdp->interleave * (rdp->width - 1))) % rdp->width; 310 if (drv >= par) 311 drv++; 312 lba = ((blkno/rdp->interleave)/(rdp->width-1))*(rdp->interleave) + 313 ((blkno%(rdp->interleave*(rdp->width-1)))%rdp->interleave); 314 chunk = min(count, rdp->interleave - (lba % rdp->interleave)); 315 break; 316 317 default: 318 kprintf("ar%d: unknown array type in ata_raid_strategy\n", rdp->lun); 319 bbp->b_flags |= B_ERROR; 320 bbp->b_error = EIO; 321 biodone(bp); 322 return(0); 323 } 324 325 /* offset on all but "first on HPTv2" */ 326 if (!(drv == 0 && rdp->format == AR_F_HPTV2_RAID)) 327 lba += rdp->offset_sectors; 328 329 if (!(request = ata_raid_init_request(rdp, bp))) { 330 bbp->b_flags |= B_ERROR; 331 bbp->b_error = EIO; 332 biodone(bp); 333 return(0); 334 } 335 request->data = data; 336 request->bytecount = chunk * DEV_BSIZE; 337 request->u.ata.lba = lba; 338 request->u.ata.count = request->bytecount / DEV_BSIZE; 339 340 switch (rdp->type) { 341 case AR_T_JBOD: 342 case AR_T_SPAN: 343 case AR_T_RAID0: 344 if (((rdp->disks[drv].flags & (AR_DF_PRESENT|AR_DF_ONLINE)) == 345 (AR_DF_PRESENT|AR_DF_ONLINE) && !rdp->disks[drv].dev)) { 346 rdp->disks[drv].flags &= ~AR_DF_ONLINE; 347 ata_raid_config_changed(rdp, 1); 348 ata_free_request(request); 349 bbp->b_flags |= B_ERROR; 350 bbp->b_error = EIO; 351 biodone(bp); 352 return(0); 353 } 354 request->this = drv; 355 request->dev = rdp->disks[request->this].dev; 356 ata_raid_send_request(request); 357 break; 358 359 case AR_T_RAID1: 360 case AR_T_RAID01: 361 if ((rdp->disks[drv].flags & 362 (AR_DF_PRESENT|AR_DF_ONLINE))==(AR_DF_PRESENT|AR_DF_ONLINE) && 363 !rdp->disks[drv].dev) { 364 rdp->disks[drv].flags &= ~AR_DF_ONLINE; 365 change = 1; 366 } 367 if ((rdp->disks[drv + rdp->width].flags & 368 (AR_DF_PRESENT|AR_DF_ONLINE))==(AR_DF_PRESENT|AR_DF_ONLINE) && 369 !rdp->disks[drv + rdp->width].dev) { 370 rdp->disks[drv + rdp->width].flags &= ~AR_DF_ONLINE; 371 change = 1; 372 } 373 if (change) 374 ata_raid_config_changed(rdp, 1); 375 if (!(rdp->status & AR_S_READY)) { 376 ata_free_request(request); 377 bbp->b_flags |= B_ERROR; 378 bbp->b_error = EIO; 379 biodone(bp); 380 return(0); 381 } 382 383 if (rdp->status & AR_S_REBUILDING) 384 blk = ((lba / rdp->interleave) * rdp->width) * rdp->interleave + 385 (rdp->interleave * (drv % rdp->width)) + 386 lba % rdp->interleave;; 387 388 if (bbp->b_cmd == BUF_CMD_READ) { 389 int src_online = 390 (rdp->disks[drv].flags & AR_DF_ONLINE); 391 int mir_online = 392 (rdp->disks[drv+rdp->width].flags & AR_DF_ONLINE); 393 394 /* if mirror gone or close to last access on source */ 395 if (!mir_online || 396 ((src_online) && 397 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) >= 398 (rdp->disks[drv].last_lba - AR_PROXIMITY) && 399 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) <= 400 (rdp->disks[drv].last_lba + AR_PROXIMITY))) { 401 rdp->toggle = 0; 402 } 403 /* if source gone or close to last access on mirror */ 404 else if (!src_online || 405 ((mir_online) && 406 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) >= 407 (rdp->disks[drv+rdp->width].last_lba-AR_PROXIMITY) && 408 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) <= 409 (rdp->disks[drv+rdp->width].last_lba+AR_PROXIMITY))) { 410 drv += rdp->width; 411 rdp->toggle = 1; 412 } 413 /* not close to any previous access, toggle */ 414 else { 415 if (rdp->toggle) 416 rdp->toggle = 0; 417 else { 418 drv += rdp->width; 419 rdp->toggle = 1; 420 } 421 } 422 423 if ((rdp->status & AR_S_REBUILDING) && 424 (blk <= rdp->rebuild_lba) && 425 ((blk + chunk) > rdp->rebuild_lba)) { 426 struct ata_composite *composite; 427 struct ata_request *rebuild; 428 int this; 429 430 /* figure out what part to rebuild */ 431 if (drv < rdp->width) 432 this = drv + rdp->width; 433 else 434 this = drv - rdp->width; 435 436 /* do we have a spare to rebuild on ? */ 437 if (rdp->disks[this].flags & AR_DF_SPARE) { 438 if ((composite = ata_alloc_composite())) { 439 if ((rebuild = ata_alloc_request())) { 440 rdp->rebuild_lba = blk + chunk; 441 bcopy(request, rebuild, 442 sizeof(struct ata_request)); 443 rebuild->this = this; 444 rebuild->dev = rdp->disks[this].dev; 445 rebuild->flags &= ~ATA_R_READ; 446 rebuild->flags |= ATA_R_WRITE; 447 spin_init(&composite->lock); 448 composite->residual = request->bytecount; 449 composite->rd_needed |= (1 << drv); 450 composite->wr_depend |= (1 << drv); 451 composite->wr_needed |= (1 << this); 452 composite->request[drv] = request; 453 composite->request[this] = rebuild; 454 request->composite = composite; 455 rebuild->composite = composite; 456 ata_raid_send_request(rebuild); 457 } 458 else { 459 ata_free_composite(composite); 460 kprintf("DOH! ata_alloc_request failed!\n"); 461 } 462 } 463 else { 464 kprintf("DOH! ata_alloc_composite failed!\n"); 465 } 466 } 467 else if (rdp->disks[this].flags & AR_DF_ONLINE) { 468 /* 469 * if we got here we are a chunk of a RAID01 that 470 * does not need a rebuild, but we need to increment 471 * the rebuild_lba address to get the rebuild to 472 * move to the next chunk correctly 473 */ 474 rdp->rebuild_lba = blk + chunk; 475 } 476 else 477 kprintf("DOH! we didn't find the rebuild part\n"); 478 } 479 } 480 if (bbp->b_cmd == BUF_CMD_WRITE) { 481 if ((rdp->disks[drv+rdp->width].flags & AR_DF_ONLINE) || 482 ((rdp->status & AR_S_REBUILDING) && 483 (rdp->disks[drv+rdp->width].flags & AR_DF_SPARE) && 484 ((blk < rdp->rebuild_lba) || 485 ((blk <= rdp->rebuild_lba) && 486 ((blk + chunk) > rdp->rebuild_lba))))) { 487 if ((rdp->disks[drv].flags & AR_DF_ONLINE) || 488 ((rdp->status & AR_S_REBUILDING) && 489 (rdp->disks[drv].flags & AR_DF_SPARE) && 490 ((blk < rdp->rebuild_lba) || 491 ((blk <= rdp->rebuild_lba) && 492 ((blk + chunk) > rdp->rebuild_lba))))) { 493 struct ata_request *mirror; 494 struct ata_composite *composite; 495 int this = drv + rdp->width; 496 497 if ((composite = ata_alloc_composite())) { 498 if ((mirror = ata_alloc_request())) { 499 if ((blk <= rdp->rebuild_lba) && 500 ((blk + chunk) > rdp->rebuild_lba)) 501 rdp->rebuild_lba = blk + chunk; 502 bcopy(request, mirror, 503 sizeof(struct ata_request)); 504 mirror->this = this; 505 mirror->dev = rdp->disks[this].dev; 506 spin_init(&composite->lock); 507 composite->residual = request->bytecount; 508 composite->wr_needed |= (1 << drv); 509 composite->wr_needed |= (1 << this); 510 composite->request[drv] = request; 511 composite->request[this] = mirror; 512 request->composite = composite; 513 mirror->composite = composite; 514 ata_raid_send_request(mirror); 515 rdp->disks[this].last_lba = 516 (u_int64_t)(bp->bio_offset >> DEV_BSHIFT) + 517 chunk; 518 } 519 else { 520 ata_free_composite(composite); 521 kprintf("DOH! ata_alloc_request failed!\n"); 522 } 523 } 524 else { 525 kprintf("DOH! ata_alloc_composite failed!\n"); 526 } 527 } 528 else 529 drv += rdp->width; 530 } 531 } 532 request->this = drv; 533 request->dev = rdp->disks[request->this].dev; 534 ata_raid_send_request(request); 535 rdp->disks[request->this].last_lba = 536 ((u_int64_t)(bp->bio_offset) >> DEV_BSIZE) + chunk; 537 break; 538 539 case AR_T_RAID5: 540 if (((rdp->disks[drv].flags & (AR_DF_PRESENT|AR_DF_ONLINE)) == 541 (AR_DF_PRESENT|AR_DF_ONLINE) && !rdp->disks[drv].dev)) { 542 rdp->disks[drv].flags &= ~AR_DF_ONLINE; 543 change = 1; 544 } 545 if (((rdp->disks[par].flags & (AR_DF_PRESENT|AR_DF_ONLINE)) == 546 (AR_DF_PRESENT|AR_DF_ONLINE) && !rdp->disks[par].dev)) { 547 rdp->disks[par].flags &= ~AR_DF_ONLINE; 548 change = 1; 549 } 550 if (change) 551 ata_raid_config_changed(rdp, 1); 552 if (!(rdp->status & AR_S_READY)) { 553 ata_free_request(request); 554 bbp->b_flags |= B_ERROR; 555 bbp->b_error = EIO; 556 biodone(bp); 557 return(0); 558 } 559 if (rdp->status & AR_S_DEGRADED) { 560 /* do the XOR game if possible */ 561 } 562 else { 563 request->this = drv; 564 request->dev = rdp->disks[request->this].dev; 565 if (bbp->b_cmd == BUF_CMD_READ) { 566 ata_raid_send_request(request); 567 } 568 if (bbp->b_cmd == BUF_CMD_WRITE) { 569 ata_raid_send_request(request); 570 /* XXX TGEN no, I don't speak Danish either */ 571 /* 572 * sikre at l�s-modify-skriv til hver disk er atomarisk. 573 * par kopi af request 574 * l�se orgdata fra drv 575 * skriv nydata til drv 576 * l�se parorgdata fra par 577 * skriv orgdata xor parorgdata xor nydata til par 578 */ 579 } 580 } 581 break; 582 583 default: 584 kprintf("ar%d: unknown array type in ata_raid_strategy\n", rdp->lun); 585 } 586 } 587 588 return(0); 589 } 590 591 static void 592 ata_raid_done(struct ata_request *request) 593 { 594 struct ar_softc *rdp = request->driver; 595 struct ata_composite *composite = NULL; 596 struct bio *bp = request->bio; 597 struct buf *bbp = bp->bio_buf; 598 int i, mirror, finished = 0; 599 600 switch (rdp->type) { 601 case AR_T_JBOD: 602 case AR_T_SPAN: 603 case AR_T_RAID0: 604 if (request->result) { 605 rdp->disks[request->this].flags &= ~AR_DF_ONLINE; 606 ata_raid_config_changed(rdp, 1); 607 bbp->b_error = request->result; 608 finished = 1; 609 } 610 else { 611 bbp->b_resid -= request->donecount; 612 if (!bbp->b_resid) 613 finished = 1; 614 } 615 break; 616 617 case AR_T_RAID1: 618 case AR_T_RAID01: 619 if (request->this < rdp->width) 620 mirror = request->this + rdp->width; 621 else 622 mirror = request->this - rdp->width; 623 if (request->result) { 624 rdp->disks[request->this].flags &= ~AR_DF_ONLINE; 625 ata_raid_config_changed(rdp, 1); 626 } 627 if (rdp->status & AR_S_READY) { 628 u_int64_t blk = 0; 629 630 if (rdp->status & AR_S_REBUILDING) 631 blk = ((request->u.ata.lba / rdp->interleave) * rdp->width) * 632 rdp->interleave + (rdp->interleave * 633 (request->this % rdp->width)) + 634 request->u.ata.lba % rdp->interleave; 635 636 if (bbp->b_cmd == BUF_CMD_READ) { 637 638 /* is this a rebuild composite */ 639 if ((composite = request->composite)) { 640 spin_lock_wr(&composite->lock); 641 642 /* handle the read part of a rebuild composite */ 643 if (request->flags & ATA_R_READ) { 644 645 /* if read failed array is now broken */ 646 if (request->result) { 647 rdp->disks[request->this].flags &= ~AR_DF_ONLINE; 648 ata_raid_config_changed(rdp, 1); 649 bbp->b_error = request->result; 650 rdp->rebuild_lba = blk; 651 finished = 1; 652 } 653 654 /* good data, update how far we've gotten */ 655 else { 656 bbp->b_resid -= request->donecount; 657 composite->residual -= request->donecount; 658 if (!composite->residual) { 659 if (composite->wr_done & (1 << mirror)) 660 finished = 1; 661 } 662 } 663 } 664 665 /* handle the write part of a rebuild composite */ 666 else if (request->flags & ATA_R_WRITE) { 667 if (composite->rd_done & (1 << mirror)) { 668 if (request->result) { 669 kprintf("DOH! rebuild failed\n"); /* XXX SOS */ 670 rdp->rebuild_lba = blk; 671 } 672 if (!composite->residual) 673 finished = 1; 674 } 675 } 676 spin_unlock_wr(&composite->lock); 677 } 678 679 /* if read failed retry on the mirror */ 680 else if (request->result) { 681 request->dev = rdp->disks[mirror].dev; 682 request->flags &= ~ATA_R_TIMEOUT; 683 ata_raid_send_request(request); 684 return; 685 } 686 687 /* we have good data */ 688 else { 689 bbp->b_resid -= request->donecount; 690 if (!bbp->b_resid) 691 finished = 1; 692 } 693 } 694 else if (bbp->b_cmd == BUF_CMD_WRITE) { 695 /* do we have a mirror or rebuild to deal with ? */ 696 if ((composite = request->composite)) { 697 spin_lock_wr(&composite->lock); 698 if (composite->wr_done & (1 << mirror)) { 699 if (request->result) { 700 if (composite->request[mirror]->result) { 701 kprintf("DOH! all disks failed and got here\n"); 702 bbp->b_error = EIO; 703 } 704 if (rdp->status & AR_S_REBUILDING) { 705 rdp->rebuild_lba = blk; 706 kprintf("DOH! rebuild failed\n"); /* XXX SOS */ 707 } 708 bbp->b_resid -= 709 composite->request[mirror]->donecount; 710 composite->residual -= 711 composite->request[mirror]->donecount; 712 } 713 else { 714 bbp->b_resid -= request->donecount; 715 composite->residual -= request->donecount; 716 } 717 if (!composite->residual) 718 finished = 1; 719 } 720 spin_unlock_wr(&composite->lock); 721 } 722 /* no mirror we are done */ 723 else { 724 bbp->b_resid -= request->donecount; 725 if (!bbp->b_resid) 726 finished = 1; 727 } 728 } 729 } 730 else { 731 /* XXX TGEN bbp->b_flags |= B_ERROR; */ 732 bbp->b_error = request->result; 733 biodone(bp); 734 } 735 break; 736 737 case AR_T_RAID5: 738 if (request->result) { 739 rdp->disks[request->this].flags &= ~AR_DF_ONLINE; 740 ata_raid_config_changed(rdp, 1); 741 if (rdp->status & AR_S_READY) { 742 if (bbp->b_cmd == BUF_CMD_READ) { 743 /* do the XOR game to recover data */ 744 } 745 if (bbp->b_cmd == BUF_CMD_WRITE) { 746 /* if the parity failed we're OK sortof */ 747 /* otherwise wee need to do the XOR long dance */ 748 } 749 finished = 1; 750 } 751 else { 752 /* XXX TGEN bbp->b_flags |= B_ERROR; */ 753 bbp->b_error = request->result; 754 biodone(bp); 755 } 756 } 757 else { 758 /* did we have an XOR game going ?? */ 759 bbp->b_resid -= request->donecount; 760 if (!bbp->b_resid) 761 finished = 1; 762 } 763 break; 764 765 default: 766 kprintf("ar%d: unknown array type in ata_raid_done\n", rdp->lun); 767 } 768 769 if (finished) { 770 if ((rdp->status & AR_S_REBUILDING) && 771 rdp->rebuild_lba >= rdp->total_sectors) { 772 int disk; 773 774 for (disk = 0; disk < rdp->total_disks; disk++) { 775 if ((rdp->disks[disk].flags & 776 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE)) == 777 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE)) { 778 rdp->disks[disk].flags &= ~AR_DF_SPARE; 779 rdp->disks[disk].flags |= AR_DF_ONLINE; 780 } 781 } 782 rdp->status &= ~AR_S_REBUILDING; 783 ata_raid_config_changed(rdp, 1); 784 } 785 if (!bbp->b_resid) 786 biodone(bp); 787 } 788 789 if (composite) { 790 if (finished) { 791 /* we are done with this composite, free all resources */ 792 for (i = 0; i < 32; i++) { 793 if (composite->rd_needed & (1 << i) || 794 composite->wr_needed & (1 << i)) { 795 ata_free_request(composite->request[i]); 796 } 797 } 798 spin_uninit(&composite->lock); 799 ata_free_composite(composite); 800 } 801 } 802 else 803 ata_free_request(request); 804 } 805 806 static int 807 ata_raid_dump(struct dev_dump_args *ap) 808 { 809 struct ar_softc *rdp = ap->a_head.a_dev->si_drv1; 810 struct buf dbuf; 811 vm_paddr_t addr = 0; 812 long blkcnt; 813 int dumppages = MAXDUMPPGS; 814 int error = 0; 815 int i, disk; 816 817 blkcnt = howmany(PAGE_SIZE, ap->a_secsize); 818 819 while (ap->a_count > 0) { 820 caddr_t va = NULL; 821 822 if ((ap->a_count / blkcnt) < dumppages) 823 dumppages = ap->a_count / blkcnt; 824 825 for (i = 0; i < dumppages; ++i) { 826 vm_paddr_t a = addr + (i * PAGE_SIZE); 827 if (is_physical_memory(a)) 828 va = pmap_kenter_temporary(trunc_page(a), i); 829 else 830 va = pmap_kenter_temporary(trunc_page(0), i); 831 } 832 833 bzero(&dbuf, sizeof(struct buf)); 834 BUF_LOCKINIT(&dbuf); 835 BUF_LOCK(&dbuf, LK_EXCLUSIVE); 836 initbufbio(&dbuf); 837 /* bio_offset is byte granularity, convert block granularity a_blkno */ 838 dbuf.b_bio1.bio_offset = (off_t)(ap->a_blkno << DEV_BSHIFT); 839 dbuf.b_bio1.bio_caller_info1.ptr = (void *)rdp; 840 dbuf.b_bcount = dumppages * PAGE_SIZE; 841 dbuf.b_data = va; 842 dbuf.b_cmd = BUF_CMD_WRITE; 843 dev_dstrategy(rdp->cdev, &dbuf.b_bio1); 844 /* wait for completion, unlock the buffer, check status */ 845 if (biowait(&dbuf)) { 846 BUF_UNLOCK(&dbuf); 847 return(dbuf.b_error ? dbuf.b_error : EIO); 848 } 849 BUF_UNLOCK(&dbuf); 850 851 if (dumpstatus(addr, (off_t)ap->a_count * DEV_BSIZE) < 0) 852 return(EINTR); 853 854 ap->a_blkno += blkcnt * dumppages; 855 ap->a_count -= blkcnt * dumppages; 856 addr += PAGE_SIZE * dumppages; 857 } 858 859 /* flush subdisk buffers to media */ 860 for (disk = 0; disk < rdp->total_disks; disk++) 861 if (rdp->disks[disk].dev) 862 error |= ata_controlcmd(rdp->disks[disk].dev, ATA_FLUSHCACHE, 0, 0, 863 0); 864 return (error ? EIO : 0); 865 } 866 867 static void 868 ata_raid_config_changed(struct ar_softc *rdp, int writeback) 869 { 870 int disk, count, status; 871 872 spin_lock_wr(&rdp->lock); 873 /* set default all working mode */ 874 status = rdp->status; 875 rdp->status &= ~AR_S_DEGRADED; 876 rdp->status |= AR_S_READY; 877 878 /* make sure all lost drives are accounted for */ 879 for (disk = 0; disk < rdp->total_disks; disk++) { 880 if (!(rdp->disks[disk].flags & AR_DF_PRESENT)) 881 rdp->disks[disk].flags &= ~AR_DF_ONLINE; 882 } 883 884 /* depending on RAID type figure out our health status */ 885 switch (rdp->type) { 886 case AR_T_JBOD: 887 case AR_T_SPAN: 888 case AR_T_RAID0: 889 for (disk = 0; disk < rdp->total_disks; disk++) 890 if (!(rdp->disks[disk].flags & AR_DF_ONLINE)) 891 rdp->status &= ~AR_S_READY; 892 break; 893 894 case AR_T_RAID1: 895 case AR_T_RAID01: 896 for (disk = 0; disk < rdp->width; disk++) { 897 if (!(rdp->disks[disk].flags & AR_DF_ONLINE) && 898 !(rdp->disks[disk + rdp->width].flags & AR_DF_ONLINE)) { 899 rdp->status &= ~AR_S_READY; 900 } 901 else if (((rdp->disks[disk].flags & AR_DF_ONLINE) && 902 !(rdp->disks[disk + rdp->width].flags & AR_DF_ONLINE)) || 903 (!(rdp->disks[disk].flags & AR_DF_ONLINE) && 904 (rdp->disks [disk + rdp->width].flags & AR_DF_ONLINE))) { 905 rdp->status |= AR_S_DEGRADED; 906 } 907 } 908 break; 909 910 case AR_T_RAID5: 911 for (count = 0, disk = 0; disk < rdp->total_disks; disk++) { 912 if (!(rdp->disks[disk].flags & AR_DF_ONLINE)) 913 count++; 914 } 915 if (count) { 916 if (count > 1) 917 rdp->status &= ~AR_S_READY; 918 else 919 rdp->status |= AR_S_DEGRADED; 920 } 921 break; 922 default: 923 rdp->status &= ~AR_S_READY; 924 } 925 926 if (rdp->status != status) { 927 if (!(rdp->status & AR_S_READY)) { 928 kprintf("ar%d: FAILURE - %s array broken\n", 929 rdp->lun, ata_raid_type(rdp)); 930 } 931 else if (rdp->status & AR_S_DEGRADED) { 932 if (rdp->type & (AR_T_RAID1 | AR_T_RAID01)) 933 kprintf("ar%d: WARNING - mirror", rdp->lun); 934 else 935 kprintf("ar%d: WARNING - parity", rdp->lun); 936 kprintf(" protection lost. %s array in DEGRADED mode\n", 937 ata_raid_type(rdp)); 938 } 939 } 940 spin_unlock_wr(&rdp->lock); 941 if (writeback) 942 ata_raid_write_metadata(rdp); 943 944 } 945 946 static int 947 ata_raid_status(struct ata_ioc_raid_config *config) 948 { 949 struct ar_softc *rdp; 950 int i; 951 952 if (!(rdp = ata_raid_arrays[config->lun])) 953 return ENXIO; 954 955 config->type = rdp->type; 956 config->total_disks = rdp->total_disks; 957 for (i = 0; i < rdp->total_disks; i++ ) { 958 if ((rdp->disks[i].flags & AR_DF_PRESENT) && rdp->disks[i].dev) 959 config->disks[i] = device_get_unit(rdp->disks[i].dev); 960 else 961 config->disks[i] = -1; 962 } 963 config->interleave = rdp->interleave; 964 config->status = rdp->status; 965 config->progress = 100 * rdp->rebuild_lba / rdp->total_sectors; 966 return 0; 967 } 968 969 static int 970 ata_raid_create(struct ata_ioc_raid_config *config) 971 { 972 struct ar_softc *rdp; 973 device_t subdisk; 974 int array, disk; 975 int ctlr = 0, disk_size = 0, total_disks = 0; 976 977 for (array = 0; array < MAX_ARRAYS; array++) { 978 if (!ata_raid_arrays[array]) 979 break; 980 } 981 if (array >= MAX_ARRAYS) 982 return ENOSPC; 983 984 if (!(rdp = (struct ar_softc*)kmalloc(sizeof(struct ar_softc), M_AR, 985 M_WAITOK | M_ZERO))) { 986 kprintf("ar%d: no memory for metadata storage\n", array); 987 return ENOMEM; 988 } 989 990 for (disk = 0; disk < config->total_disks; disk++) { 991 if ((subdisk = devclass_get_device(ata_raid_sub_devclass, 992 config->disks[disk]))) { 993 struct ata_raid_subdisk *ars = device_get_softc(subdisk); 994 995 /* is device already assigned to another array ? */ 996 if (ars->raid[rdp->volume]) { 997 config->disks[disk] = -1; 998 kfree(rdp, M_AR); 999 return EBUSY; 1000 } 1001 rdp->disks[disk].dev = device_get_parent(subdisk); 1002 1003 switch (pci_get_vendor(GRANDPARENT(rdp->disks[disk].dev))) { 1004 case ATA_HIGHPOINT_ID: 1005 /* 1006 * we need some way to decide if it should be v2 or v3 1007 * for now just use v2 since the v3 BIOS knows how to 1008 * handle that as well. 1009 */ 1010 ctlr = AR_F_HPTV2_RAID; 1011 rdp->disks[disk].sectors = HPTV3_LBA(rdp->disks[disk].dev); 1012 break; 1013 1014 case ATA_INTEL_ID: 1015 ctlr = AR_F_INTEL_RAID; 1016 rdp->disks[disk].sectors = INTEL_LBA(rdp->disks[disk].dev); 1017 break; 1018 1019 case ATA_ITE_ID: 1020 ctlr = AR_F_ITE_RAID; 1021 rdp->disks[disk].sectors = ITE_LBA(rdp->disks[disk].dev); 1022 break; 1023 1024 case ATA_JMICRON_ID: 1025 ctlr = AR_F_JMICRON_RAID; 1026 rdp->disks[disk].sectors = JMICRON_LBA(rdp->disks[disk].dev); 1027 break; 1028 1029 case 0: /* XXX SOS cover up for bug in our PCI code */ 1030 case ATA_PROMISE_ID: 1031 ctlr = AR_F_PROMISE_RAID; 1032 rdp->disks[disk].sectors = PROMISE_LBA(rdp->disks[disk].dev); 1033 break; 1034 1035 case ATA_SIS_ID: 1036 ctlr = AR_F_SIS_RAID; 1037 rdp->disks[disk].sectors = SIS_LBA(rdp->disks[disk].dev); 1038 break; 1039 1040 case ATA_ATI_ID: 1041 case ATA_VIA_ID: 1042 ctlr = AR_F_VIA_RAID; 1043 rdp->disks[disk].sectors = VIA_LBA(rdp->disks[disk].dev); 1044 break; 1045 1046 default: 1047 /* XXX SOS 1048 * right, so here we are, we have an ATA chip and we want 1049 * to create a RAID and store the metadata. 1050 * we need to find a way to tell what kind of metadata this 1051 * hardware's BIOS might be using (good ideas are welcomed) 1052 * for now we just use our own native FreeBSD format. 1053 * the only way to get support for the BIOS format is to 1054 * setup the RAID from there, in that case we pickup the 1055 * metadata format from the disks (if we support it). 1056 */ 1057 kprintf("WARNING!! - not able to determine metadata format\n" 1058 "WARNING!! - Using FreeBSD PseudoRAID metadata\n" 1059 "If that is not what you want, use the BIOS to " 1060 "create the array\n"); 1061 ctlr = AR_F_FREEBSD_RAID; 1062 rdp->disks[disk].sectors = PROMISE_LBA(rdp->disks[disk].dev); 1063 break; 1064 } 1065 1066 /* we need all disks to be of the same format */ 1067 if ((rdp->format & AR_F_FORMAT_MASK) && 1068 (rdp->format & AR_F_FORMAT_MASK) != (ctlr & AR_F_FORMAT_MASK)) { 1069 kfree(rdp, M_AR); 1070 return EXDEV; 1071 } 1072 else 1073 rdp->format = ctlr; 1074 1075 /* use the smallest disk of the lots size */ 1076 /* gigabyte boundry ??? XXX SOS */ 1077 if (disk_size) 1078 disk_size = min(rdp->disks[disk].sectors, disk_size); 1079 else 1080 disk_size = rdp->disks[disk].sectors; 1081 rdp->disks[disk].flags = 1082 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 1083 1084 total_disks++; 1085 } 1086 else { 1087 config->disks[disk] = -1; 1088 kfree(rdp, M_AR); 1089 return ENXIO; 1090 } 1091 } 1092 1093 if (total_disks != config->total_disks) { 1094 kfree(rdp, M_AR); 1095 return ENODEV; 1096 } 1097 1098 switch (config->type) { 1099 case AR_T_JBOD: 1100 case AR_T_SPAN: 1101 case AR_T_RAID0: 1102 break; 1103 1104 case AR_T_RAID1: 1105 if (total_disks != 2) { 1106 kfree(rdp, M_AR); 1107 return EPERM; 1108 } 1109 break; 1110 1111 case AR_T_RAID01: 1112 if (total_disks % 2 != 0) { 1113 kfree(rdp, M_AR); 1114 return EPERM; 1115 } 1116 break; 1117 1118 case AR_T_RAID5: 1119 if (total_disks < 3) { 1120 kfree(rdp, M_AR); 1121 return EPERM; 1122 } 1123 break; 1124 1125 default: 1126 kfree(rdp, M_AR); 1127 return EOPNOTSUPP; 1128 } 1129 rdp->type = config->type; 1130 rdp->lun = array; 1131 if (rdp->type == AR_T_RAID0 || rdp->type == AR_T_RAID01 || 1132 rdp->type == AR_T_RAID5) { 1133 int bit = 0; 1134 1135 while (config->interleave >>= 1) 1136 bit++; 1137 rdp->interleave = 1 << bit; 1138 } 1139 rdp->offset_sectors = 0; 1140 1141 /* values that depend on metadata format */ 1142 switch (rdp->format) { 1143 case AR_F_ADAPTEC_RAID: 1144 rdp->interleave = min(max(32, rdp->interleave), 128); /*+*/ 1145 break; 1146 1147 case AR_F_HPTV2_RAID: 1148 rdp->interleave = min(max(8, rdp->interleave), 128); /*+*/ 1149 rdp->offset_sectors = HPTV2_LBA(x) + 1; 1150 break; 1151 1152 case AR_F_HPTV3_RAID: 1153 rdp->interleave = min(max(32, rdp->interleave), 4096); /*+*/ 1154 break; 1155 1156 case AR_F_INTEL_RAID: 1157 rdp->interleave = min(max(8, rdp->interleave), 256); /*+*/ 1158 break; 1159 1160 case AR_F_ITE_RAID: 1161 rdp->interleave = min(max(2, rdp->interleave), 128); /*+*/ 1162 break; 1163 1164 case AR_F_JMICRON_RAID: 1165 rdp->interleave = min(max(8, rdp->interleave), 256); /*+*/ 1166 break; 1167 1168 case AR_F_LSIV2_RAID: 1169 rdp->interleave = min(max(2, rdp->interleave), 4096); 1170 break; 1171 1172 case AR_F_LSIV3_RAID: 1173 rdp->interleave = min(max(2, rdp->interleave), 256); 1174 break; 1175 1176 case AR_F_PROMISE_RAID: 1177 rdp->interleave = min(max(2, rdp->interleave), 2048); /*+*/ 1178 break; 1179 1180 case AR_F_SII_RAID: 1181 rdp->interleave = min(max(8, rdp->interleave), 256); /*+*/ 1182 break; 1183 1184 case AR_F_SIS_RAID: 1185 rdp->interleave = min(max(32, rdp->interleave), 512); /*+*/ 1186 break; 1187 1188 case AR_F_VIA_RAID: 1189 rdp->interleave = min(max(8, rdp->interleave), 128); /*+*/ 1190 break; 1191 } 1192 1193 rdp->total_disks = total_disks; 1194 rdp->width = total_disks / (rdp->type & (AR_RAID1 | AR_T_RAID01) ? 2 : 1); 1195 rdp->total_sectors = disk_size * (rdp->width - (rdp->type == AR_RAID5)); 1196 rdp->heads = 255; 1197 rdp->sectors = 63; 1198 rdp->cylinders = rdp->total_sectors / (255 * 63); 1199 rdp->rebuild_lba = 0; 1200 rdp->status |= AR_S_READY; 1201 1202 /* we are committed to this array, grap the subdisks */ 1203 for (disk = 0; disk < config->total_disks; disk++) { 1204 if ((subdisk = devclass_get_device(ata_raid_sub_devclass, 1205 config->disks[disk]))) { 1206 struct ata_raid_subdisk *ars = device_get_softc(subdisk); 1207 1208 ars->raid[rdp->volume] = rdp; 1209 ars->disk_number[rdp->volume] = disk; 1210 } 1211 } 1212 ata_raid_attach(rdp, 1); 1213 ata_raid_arrays[array] = rdp; 1214 config->lun = array; 1215 return 0; 1216 } 1217 1218 static int 1219 ata_raid_delete(int array) 1220 { 1221 struct ar_softc *rdp; 1222 device_t subdisk; 1223 int disk; 1224 1225 if (!(rdp = ata_raid_arrays[array])) 1226 return ENXIO; 1227 1228 rdp->status &= ~AR_S_READY; 1229 disk_destroy(&rdp->disk); 1230 1231 for (disk = 0; disk < rdp->total_disks; disk++) { 1232 if ((rdp->disks[disk].flags & AR_DF_PRESENT) && rdp->disks[disk].dev) { 1233 if ((subdisk = devclass_get_device(ata_raid_sub_devclass, 1234 device_get_unit(rdp->disks[disk].dev)))) { 1235 struct ata_raid_subdisk *ars = device_get_softc(subdisk); 1236 1237 if (ars->raid[rdp->volume] != rdp) /* XXX SOS */ 1238 device_printf(subdisk, "DOH! this disk doesn't belong\n"); 1239 if (ars->disk_number[rdp->volume] != disk) /* XXX SOS */ 1240 device_printf(subdisk, "DOH! this disk number is wrong\n"); 1241 ars->raid[rdp->volume] = NULL; 1242 ars->disk_number[rdp->volume] = -1; 1243 } 1244 rdp->disks[disk].flags = 0; 1245 } 1246 } 1247 ata_raid_wipe_metadata(rdp); 1248 ata_raid_arrays[array] = NULL; 1249 kfree(rdp, M_AR); 1250 return 0; 1251 } 1252 1253 static int 1254 ata_raid_addspare(struct ata_ioc_raid_config *config) 1255 { 1256 struct ar_softc *rdp; 1257 device_t subdisk; 1258 int disk; 1259 1260 if (!(rdp = ata_raid_arrays[config->lun])) 1261 return ENXIO; 1262 if (!(rdp->status & AR_S_DEGRADED) || !(rdp->status & AR_S_READY)) 1263 return ENXIO; 1264 if (rdp->status & AR_S_REBUILDING) 1265 return EBUSY; 1266 switch (rdp->type) { 1267 case AR_T_RAID1: 1268 case AR_T_RAID01: 1269 case AR_T_RAID5: 1270 for (disk = 0; disk < rdp->total_disks; disk++ ) { 1271 1272 if (((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) == 1273 (AR_DF_PRESENT | AR_DF_ONLINE)) && rdp->disks[disk].dev) 1274 continue; 1275 1276 if ((subdisk = devclass_get_device(ata_raid_sub_devclass, 1277 config->disks[0] ))) { 1278 struct ata_raid_subdisk *ars = device_get_softc(subdisk); 1279 1280 if (ars->raid[rdp->volume]) 1281 return EBUSY; 1282 1283 /* XXX SOS validate size etc etc */ 1284 ars->raid[rdp->volume] = rdp; 1285 ars->disk_number[rdp->volume] = disk; 1286 rdp->disks[disk].dev = device_get_parent(subdisk); 1287 rdp->disks[disk].flags = 1288 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE); 1289 1290 device_printf(rdp->disks[disk].dev, 1291 "inserted into ar%d disk%d as spare\n", 1292 rdp->lun, disk); 1293 ata_raid_config_changed(rdp, 1); 1294 return 0; 1295 } 1296 } 1297 return ENXIO; 1298 1299 default: 1300 return EPERM; 1301 } 1302 } 1303 1304 static int 1305 ata_raid_rebuild(int array) 1306 { 1307 struct ar_softc *rdp; 1308 int disk, count; 1309 1310 if (!(rdp = ata_raid_arrays[array])) 1311 return ENXIO; 1312 /* XXX SOS we should lock the rdp softc here */ 1313 if (!(rdp->status & AR_S_DEGRADED) || !(rdp->status & AR_S_READY)) 1314 return ENXIO; 1315 if (rdp->status & AR_S_REBUILDING) 1316 return EBUSY; 1317 1318 switch (rdp->type) { 1319 case AR_T_RAID1: 1320 case AR_T_RAID01: 1321 case AR_T_RAID5: 1322 for (count = 0, disk = 0; disk < rdp->total_disks; disk++ ) { 1323 if (((rdp->disks[disk].flags & 1324 (AR_DF_PRESENT|AR_DF_ASSIGNED|AR_DF_ONLINE|AR_DF_SPARE)) == 1325 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE)) && 1326 rdp->disks[disk].dev) { 1327 count++; 1328 } 1329 } 1330 1331 if (count) { 1332 rdp->rebuild_lba = 0; 1333 rdp->status |= AR_S_REBUILDING; 1334 return 0; 1335 } 1336 return EIO; 1337 1338 default: 1339 return EPERM; 1340 } 1341 } 1342 1343 static int 1344 ata_raid_read_metadata(device_t subdisk) 1345 { 1346 devclass_t pci_devclass = devclass_find("pci"); 1347 devclass_t devclass=device_get_devclass(GRANDPARENT(GRANDPARENT(subdisk))); 1348 1349 /* prioritize vendor native metadata layout if possible */ 1350 if (devclass == pci_devclass) { 1351 switch (pci_get_vendor(GRANDPARENT(device_get_parent(subdisk)))) { 1352 case ATA_HIGHPOINT_ID: 1353 if (ata_raid_hptv3_read_meta(subdisk, ata_raid_arrays)) 1354 return 0; 1355 if (ata_raid_hptv2_read_meta(subdisk, ata_raid_arrays)) 1356 return 0; 1357 break; 1358 1359 case ATA_INTEL_ID: 1360 if (ata_raid_intel_read_meta(subdisk, ata_raid_arrays)) 1361 return 0; 1362 break; 1363 1364 case ATA_ITE_ID: 1365 if (ata_raid_ite_read_meta(subdisk, ata_raid_arrays)) 1366 return 0; 1367 break; 1368 1369 case ATA_JMICRON_ID: 1370 if (ata_raid_jmicron_read_meta(subdisk, ata_raid_arrays)) 1371 return 0; 1372 break; 1373 1374 case ATA_NVIDIA_ID: 1375 if (ata_raid_nvidia_read_meta(subdisk, ata_raid_arrays)) 1376 return 0; 1377 break; 1378 1379 case 0: /* XXX SOS cover up for bug in our PCI code */ 1380 case ATA_PROMISE_ID: 1381 if (ata_raid_promise_read_meta(subdisk, ata_raid_arrays, 0)) 1382 return 0; 1383 break; 1384 1385 case ATA_ATI_ID: 1386 case ATA_SILICON_IMAGE_ID: 1387 if (ata_raid_sii_read_meta(subdisk, ata_raid_arrays)) 1388 return 0; 1389 break; 1390 1391 case ATA_SIS_ID: 1392 if (ata_raid_sis_read_meta(subdisk, ata_raid_arrays)) 1393 return 0; 1394 break; 1395 1396 case ATA_VIA_ID: 1397 if (ata_raid_via_read_meta(subdisk, ata_raid_arrays)) 1398 return 0; 1399 break; 1400 } 1401 } 1402 1403 /* handle controllers that have multiple layout possibilities */ 1404 /* NOTE: the order of these are not insignificant */ 1405 1406 /* Adaptec HostRAID */ 1407 if (ata_raid_adaptec_read_meta(subdisk, ata_raid_arrays)) 1408 return 0; 1409 1410 /* LSILogic v3 and v2 */ 1411 if (ata_raid_lsiv3_read_meta(subdisk, ata_raid_arrays)) 1412 return 0; 1413 if (ata_raid_lsiv2_read_meta(subdisk, ata_raid_arrays)) 1414 return 0; 1415 1416 /* if none of the above matched, try FreeBSD native format */ 1417 return ata_raid_promise_read_meta(subdisk, ata_raid_arrays, 1); 1418 } 1419 1420 static int 1421 ata_raid_write_metadata(struct ar_softc *rdp) 1422 { 1423 switch (rdp->format) { 1424 case AR_F_FREEBSD_RAID: 1425 case AR_F_PROMISE_RAID: 1426 return ata_raid_promise_write_meta(rdp); 1427 1428 case AR_F_HPTV3_RAID: 1429 case AR_F_HPTV2_RAID: 1430 /* 1431 * always write HPT v2 metadata, the v3 BIOS knows it as well. 1432 * this is handy since we cannot know what version BIOS is on there 1433 */ 1434 return ata_raid_hptv2_write_meta(rdp); 1435 1436 case AR_F_INTEL_RAID: 1437 return ata_raid_intel_write_meta(rdp); 1438 1439 case AR_F_JMICRON_RAID: 1440 return ata_raid_jmicron_write_meta(rdp); 1441 1442 case AR_F_SIS_RAID: 1443 return ata_raid_sis_write_meta(rdp); 1444 1445 case AR_F_VIA_RAID: 1446 return ata_raid_via_write_meta(rdp); 1447 #if 0 1448 case AR_F_HPTV3_RAID: 1449 return ata_raid_hptv3_write_meta(rdp); 1450 1451 case AR_F_ADAPTEC_RAID: 1452 return ata_raid_adaptec_write_meta(rdp); 1453 1454 case AR_F_ITE_RAID: 1455 return ata_raid_ite_write_meta(rdp); 1456 1457 case AR_F_LSIV2_RAID: 1458 return ata_raid_lsiv2_write_meta(rdp); 1459 1460 case AR_F_LSIV3_RAID: 1461 return ata_raid_lsiv3_write_meta(rdp); 1462 1463 case AR_F_NVIDIA_RAID: 1464 return ata_raid_nvidia_write_meta(rdp); 1465 1466 case AR_F_SII_RAID: 1467 return ata_raid_sii_write_meta(rdp); 1468 1469 #endif 1470 default: 1471 kprintf("ar%d: writing of %s metadata is NOT supported yet\n", 1472 rdp->lun, ata_raid_format(rdp)); 1473 } 1474 return -1; 1475 } 1476 1477 static int 1478 ata_raid_wipe_metadata(struct ar_softc *rdp) 1479 { 1480 int disk, error = 0; 1481 u_int64_t lba; 1482 u_int32_t size; 1483 u_int8_t *meta; 1484 1485 for (disk = 0; disk < rdp->total_disks; disk++) { 1486 if (rdp->disks[disk].dev) { 1487 switch (rdp->format) { 1488 case AR_F_ADAPTEC_RAID: 1489 lba = ADP_LBA(rdp->disks[disk].dev); 1490 size = sizeof(struct adaptec_raid_conf); 1491 break; 1492 1493 case AR_F_HPTV2_RAID: 1494 lba = HPTV2_LBA(rdp->disks[disk].dev); 1495 size = sizeof(struct hptv2_raid_conf); 1496 break; 1497 1498 case AR_F_HPTV3_RAID: 1499 lba = HPTV3_LBA(rdp->disks[disk].dev); 1500 size = sizeof(struct hptv3_raid_conf); 1501 break; 1502 1503 case AR_F_INTEL_RAID: 1504 lba = INTEL_LBA(rdp->disks[disk].dev); 1505 size = 3 * 512; /* XXX SOS */ 1506 break; 1507 1508 case AR_F_ITE_RAID: 1509 lba = ITE_LBA(rdp->disks[disk].dev); 1510 size = sizeof(struct ite_raid_conf); 1511 break; 1512 1513 case AR_F_JMICRON_RAID: 1514 lba = JMICRON_LBA(rdp->disks[disk].dev); 1515 size = sizeof(struct jmicron_raid_conf); 1516 break; 1517 1518 case AR_F_LSIV2_RAID: 1519 lba = LSIV2_LBA(rdp->disks[disk].dev); 1520 size = sizeof(struct lsiv2_raid_conf); 1521 break; 1522 1523 case AR_F_LSIV3_RAID: 1524 lba = LSIV3_LBA(rdp->disks[disk].dev); 1525 size = sizeof(struct lsiv3_raid_conf); 1526 break; 1527 1528 case AR_F_NVIDIA_RAID: 1529 lba = NVIDIA_LBA(rdp->disks[disk].dev); 1530 size = sizeof(struct nvidia_raid_conf); 1531 break; 1532 1533 case AR_F_FREEBSD_RAID: 1534 case AR_F_PROMISE_RAID: 1535 lba = PROMISE_LBA(rdp->disks[disk].dev); 1536 size = sizeof(struct promise_raid_conf); 1537 break; 1538 1539 case AR_F_SII_RAID: 1540 lba = SII_LBA(rdp->disks[disk].dev); 1541 size = sizeof(struct sii_raid_conf); 1542 break; 1543 1544 case AR_F_SIS_RAID: 1545 lba = SIS_LBA(rdp->disks[disk].dev); 1546 size = sizeof(struct sis_raid_conf); 1547 break; 1548 1549 case AR_F_VIA_RAID: 1550 lba = VIA_LBA(rdp->disks[disk].dev); 1551 size = sizeof(struct via_raid_conf); 1552 break; 1553 1554 default: 1555 kprintf("ar%d: wiping of %s metadata is NOT supported yet\n", 1556 rdp->lun, ata_raid_format(rdp)); 1557 return ENXIO; 1558 } 1559 if (!(meta = kmalloc(size, M_AR, M_WAITOK | M_ZERO))) 1560 return ENOMEM; 1561 if (ata_raid_rw(rdp->disks[disk].dev, lba, meta, size, 1562 ATA_R_WRITE | ATA_R_DIRECT)) { 1563 device_printf(rdp->disks[disk].dev, "wipe metadata failed\n"); 1564 error = EIO; 1565 } 1566 kfree(meta, M_AR); 1567 } 1568 } 1569 return error; 1570 } 1571 1572 /* Adaptec HostRAID Metadata */ 1573 static int 1574 ata_raid_adaptec_read_meta(device_t dev, struct ar_softc **raidp) 1575 { 1576 struct ata_raid_subdisk *ars = device_get_softc(dev); 1577 device_t parent = device_get_parent(dev); 1578 struct adaptec_raid_conf *meta; 1579 struct ar_softc *raid; 1580 int array, disk, retval = 0; 1581 1582 if (!(meta = (struct adaptec_raid_conf *) 1583 kmalloc(sizeof(struct adaptec_raid_conf), M_AR, M_WAITOK | M_ZERO))) 1584 return ENOMEM; 1585 1586 if (ata_raid_rw(parent, ADP_LBA(parent), 1587 meta, sizeof(struct adaptec_raid_conf), ATA_R_READ)) { 1588 if (testing || bootverbose) 1589 device_printf(parent, "Adaptec read metadata failed\n"); 1590 goto adaptec_out; 1591 } 1592 1593 /* check if this is a Adaptec RAID struct */ 1594 if (meta->magic_0 != ADP_MAGIC_0 || meta->magic_3 != ADP_MAGIC_3) { 1595 if (testing || bootverbose) 1596 device_printf(parent, "Adaptec check1 failed\n"); 1597 goto adaptec_out; 1598 } 1599 1600 if (testing || bootverbose) 1601 ata_raid_adaptec_print_meta(meta); 1602 1603 /* now convert Adaptec metadata into our generic form */ 1604 for (array = 0; array < MAX_ARRAYS; array++) { 1605 if (!raidp[array]) { 1606 raidp[array] = 1607 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 1608 M_WAITOK | M_ZERO); 1609 if (!raidp[array]) { 1610 device_printf(parent, "failed to allocate metadata storage\n"); 1611 goto adaptec_out; 1612 } 1613 } 1614 raid = raidp[array]; 1615 if (raid->format && (raid->format != AR_F_ADAPTEC_RAID)) 1616 continue; 1617 1618 if (raid->magic_0 && raid->magic_0 != meta->configs[0].magic_0) 1619 continue; 1620 1621 if (!meta->generation || be32toh(meta->generation) > raid->generation) { 1622 switch (meta->configs[0].type) { 1623 case ADP_T_RAID0: 1624 raid->magic_0 = meta->configs[0].magic_0; 1625 raid->type = AR_T_RAID0; 1626 raid->interleave = 1 << (meta->configs[0].stripe_shift >> 1); 1627 raid->width = be16toh(meta->configs[0].total_disks); 1628 break; 1629 1630 case ADP_T_RAID1: 1631 raid->magic_0 = meta->configs[0].magic_0; 1632 raid->type = AR_T_RAID1; 1633 raid->width = be16toh(meta->configs[0].total_disks) / 2; 1634 break; 1635 1636 default: 1637 device_printf(parent, "Adaptec unknown RAID type 0x%02x\n", 1638 meta->configs[0].type); 1639 kfree(raidp[array], M_AR); 1640 raidp[array] = NULL; 1641 goto adaptec_out; 1642 } 1643 1644 raid->format = AR_F_ADAPTEC_RAID; 1645 raid->generation = be32toh(meta->generation); 1646 raid->total_disks = be16toh(meta->configs[0].total_disks); 1647 raid->total_sectors = be32toh(meta->configs[0].sectors); 1648 raid->heads = 255; 1649 raid->sectors = 63; 1650 raid->cylinders = raid->total_sectors / (63 * 255); 1651 raid->offset_sectors = 0; 1652 raid->rebuild_lba = 0; 1653 raid->lun = array; 1654 strncpy(raid->name, meta->configs[0].name, 1655 min(sizeof(raid->name), sizeof(meta->configs[0].name))); 1656 1657 /* clear out any old info */ 1658 if (raid->generation) { 1659 for (disk = 0; disk < raid->total_disks; disk++) { 1660 raid->disks[disk].dev = NULL; 1661 raid->disks[disk].flags = 0; 1662 } 1663 } 1664 } 1665 if (be32toh(meta->generation) >= raid->generation) { 1666 struct ata_device *atadev = device_get_softc(parent); 1667 struct ata_channel *ch = device_get_softc(GRANDPARENT(dev)); 1668 int disk_number = (ch->unit << !(ch->flags & ATA_NO_SLAVE)) + 1669 ATA_DEV(atadev->unit); 1670 1671 raid->disks[disk_number].dev = parent; 1672 raid->disks[disk_number].sectors = 1673 be32toh(meta->configs[disk_number + 1].sectors); 1674 raid->disks[disk_number].flags = 1675 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 1676 ars->raid[raid->volume] = raid; 1677 ars->disk_number[raid->volume] = disk_number; 1678 retval = 1; 1679 } 1680 break; 1681 } 1682 1683 adaptec_out: 1684 kfree(meta, M_AR); 1685 return retval; 1686 } 1687 1688 /* Highpoint V2 RocketRAID Metadata */ 1689 static int 1690 ata_raid_hptv2_read_meta(device_t dev, struct ar_softc **raidp) 1691 { 1692 struct ata_raid_subdisk *ars = device_get_softc(dev); 1693 device_t parent = device_get_parent(dev); 1694 struct hptv2_raid_conf *meta; 1695 struct ar_softc *raid = NULL; 1696 int array, disk_number = 0, retval = 0; 1697 1698 if (!(meta = (struct hptv2_raid_conf *) 1699 kmalloc(sizeof(struct hptv2_raid_conf), M_AR, M_WAITOK | M_ZERO))) 1700 return ENOMEM; 1701 1702 if (ata_raid_rw(parent, HPTV2_LBA(parent), 1703 meta, sizeof(struct hptv2_raid_conf), ATA_R_READ)) { 1704 if (testing || bootverbose) 1705 device_printf(parent, "HighPoint (v2) read metadata failed\n"); 1706 goto hptv2_out; 1707 } 1708 1709 /* check if this is a HighPoint v2 RAID struct */ 1710 if (meta->magic != HPTV2_MAGIC_OK && meta->magic != HPTV2_MAGIC_BAD) { 1711 if (testing || bootverbose) 1712 device_printf(parent, "HighPoint (v2) check1 failed\n"); 1713 goto hptv2_out; 1714 } 1715 1716 /* is this disk defined, or an old leftover/spare ? */ 1717 if (!meta->magic_0) { 1718 if (testing || bootverbose) 1719 device_printf(parent, "HighPoint (v2) check2 failed\n"); 1720 goto hptv2_out; 1721 } 1722 1723 if (testing || bootverbose) 1724 ata_raid_hptv2_print_meta(meta); 1725 1726 /* now convert HighPoint (v2) metadata into our generic form */ 1727 for (array = 0; array < MAX_ARRAYS; array++) { 1728 if (!raidp[array]) { 1729 raidp[array] = 1730 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 1731 M_WAITOK | M_ZERO); 1732 if (!raidp[array]) { 1733 device_printf(parent, "failed to allocate metadata storage\n"); 1734 goto hptv2_out; 1735 } 1736 } 1737 raid = raidp[array]; 1738 if (raid->format && (raid->format != AR_F_HPTV2_RAID)) 1739 continue; 1740 1741 switch (meta->type) { 1742 case HPTV2_T_RAID0: 1743 if ((meta->order & (HPTV2_O_RAID0|HPTV2_O_OK)) == 1744 (HPTV2_O_RAID0|HPTV2_O_OK)) 1745 goto highpoint_raid1; 1746 if (meta->order & (HPTV2_O_RAID0 | HPTV2_O_RAID1)) 1747 goto highpoint_raid01; 1748 if (raid->magic_0 && raid->magic_0 != meta->magic_0) 1749 continue; 1750 raid->magic_0 = meta->magic_0; 1751 raid->type = AR_T_RAID0; 1752 raid->interleave = 1 << meta->stripe_shift; 1753 disk_number = meta->disk_number; 1754 if (!(meta->order & HPTV2_O_OK)) 1755 meta->magic = 0; /* mark bad */ 1756 break; 1757 1758 case HPTV2_T_RAID1: 1759 highpoint_raid1: 1760 if (raid->magic_0 && raid->magic_0 != meta->magic_0) 1761 continue; 1762 raid->magic_0 = meta->magic_0; 1763 raid->type = AR_T_RAID1; 1764 disk_number = (meta->disk_number > 0); 1765 break; 1766 1767 case HPTV2_T_RAID01_RAID0: 1768 highpoint_raid01: 1769 if (meta->order & HPTV2_O_RAID0) { 1770 if ((raid->magic_0 && raid->magic_0 != meta->magic_0) || 1771 (raid->magic_1 && raid->magic_1 != meta->magic_1)) 1772 continue; 1773 raid->magic_0 = meta->magic_0; 1774 raid->magic_1 = meta->magic_1; 1775 raid->type = AR_T_RAID01; 1776 raid->interleave = 1 << meta->stripe_shift; 1777 disk_number = meta->disk_number; 1778 } 1779 else { 1780 if (raid->magic_1 && raid->magic_1 != meta->magic_1) 1781 continue; 1782 raid->magic_1 = meta->magic_1; 1783 raid->type = AR_T_RAID01; 1784 raid->interleave = 1 << meta->stripe_shift; 1785 disk_number = meta->disk_number + meta->array_width; 1786 if (!(meta->order & HPTV2_O_RAID1)) 1787 meta->magic = 0; /* mark bad */ 1788 } 1789 break; 1790 1791 case HPTV2_T_SPAN: 1792 if (raid->magic_0 && raid->magic_0 != meta->magic_0) 1793 continue; 1794 raid->magic_0 = meta->magic_0; 1795 raid->type = AR_T_SPAN; 1796 disk_number = meta->disk_number; 1797 break; 1798 1799 default: 1800 device_printf(parent, "Highpoint (v2) unknown RAID type 0x%02x\n", 1801 meta->type); 1802 kfree(raidp[array], M_AR); 1803 raidp[array] = NULL; 1804 goto hptv2_out; 1805 } 1806 1807 raid->format |= AR_F_HPTV2_RAID; 1808 raid->disks[disk_number].dev = parent; 1809 raid->disks[disk_number].flags = (AR_DF_PRESENT | AR_DF_ASSIGNED); 1810 raid->lun = array; 1811 strncpy(raid->name, meta->name_1, 1812 min(sizeof(raid->name), sizeof(meta->name_1))); 1813 if (meta->magic == HPTV2_MAGIC_OK) { 1814 raid->disks[disk_number].flags |= AR_DF_ONLINE; 1815 raid->width = meta->array_width; 1816 raid->total_sectors = meta->total_sectors; 1817 raid->heads = 255; 1818 raid->sectors = 63; 1819 raid->cylinders = raid->total_sectors / (63 * 255); 1820 raid->offset_sectors = HPTV2_LBA(parent) + 1; 1821 raid->rebuild_lba = meta->rebuild_lba; 1822 raid->disks[disk_number].sectors = 1823 raid->total_sectors / raid->width; 1824 } 1825 else 1826 raid->disks[disk_number].flags &= ~AR_DF_ONLINE; 1827 1828 if ((raid->type & AR_T_RAID0) && (raid->total_disks < raid->width)) 1829 raid->total_disks = raid->width; 1830 if (disk_number >= raid->total_disks) 1831 raid->total_disks = disk_number + 1; 1832 ars->raid[raid->volume] = raid; 1833 ars->disk_number[raid->volume] = disk_number; 1834 retval = 1; 1835 break; 1836 } 1837 1838 hptv2_out: 1839 kfree(meta, M_AR); 1840 return retval; 1841 } 1842 1843 static int 1844 ata_raid_hptv2_write_meta(struct ar_softc *rdp) 1845 { 1846 struct hptv2_raid_conf *meta; 1847 struct timeval timestamp; 1848 int disk, error = 0; 1849 1850 if (!(meta = (struct hptv2_raid_conf *) 1851 kmalloc(sizeof(struct hptv2_raid_conf), M_AR, M_WAITOK | M_ZERO))) { 1852 kprintf("ar%d: failed to allocate metadata storage\n", rdp->lun); 1853 return ENOMEM; 1854 } 1855 1856 microtime(×tamp); 1857 rdp->magic_0 = timestamp.tv_sec + 2; 1858 rdp->magic_1 = timestamp.tv_sec; 1859 1860 for (disk = 0; disk < rdp->total_disks; disk++) { 1861 if ((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) == 1862 (AR_DF_PRESENT | AR_DF_ONLINE)) 1863 meta->magic = HPTV2_MAGIC_OK; 1864 if (rdp->disks[disk].flags & AR_DF_ASSIGNED) { 1865 meta->magic_0 = rdp->magic_0; 1866 if (strlen(rdp->name)) 1867 strncpy(meta->name_1, rdp->name, sizeof(meta->name_1)); 1868 else 1869 strcpy(meta->name_1, "FreeBSD"); 1870 } 1871 meta->disk_number = disk; 1872 1873 switch (rdp->type) { 1874 case AR_T_RAID0: 1875 meta->type = HPTV2_T_RAID0; 1876 strcpy(meta->name_2, "RAID 0"); 1877 if (rdp->disks[disk].flags & AR_DF_ONLINE) 1878 meta->order = HPTV2_O_OK; 1879 break; 1880 1881 case AR_T_RAID1: 1882 meta->type = HPTV2_T_RAID0; 1883 strcpy(meta->name_2, "RAID 1"); 1884 meta->disk_number = (disk < rdp->width) ? disk : disk + 5; 1885 meta->order = HPTV2_O_RAID0 | HPTV2_O_OK; 1886 break; 1887 1888 case AR_T_RAID01: 1889 meta->type = HPTV2_T_RAID01_RAID0; 1890 strcpy(meta->name_2, "RAID 0+1"); 1891 if (rdp->disks[disk].flags & AR_DF_ONLINE) { 1892 if (disk < rdp->width) { 1893 meta->order = (HPTV2_O_RAID0 | HPTV2_O_RAID1); 1894 meta->magic_0 = rdp->magic_0 - 1; 1895 } 1896 else { 1897 meta->order = HPTV2_O_RAID1; 1898 meta->disk_number -= rdp->width; 1899 } 1900 } 1901 else 1902 meta->magic_0 = rdp->magic_0 - 1; 1903 meta->magic_1 = rdp->magic_1; 1904 break; 1905 1906 case AR_T_SPAN: 1907 meta->type = HPTV2_T_SPAN; 1908 strcpy(meta->name_2, "SPAN"); 1909 break; 1910 default: 1911 kfree(meta, M_AR); 1912 return ENODEV; 1913 } 1914 1915 meta->array_width = rdp->width; 1916 meta->stripe_shift = (rdp->width > 1) ? (ffs(rdp->interleave)-1) : 0; 1917 meta->total_sectors = rdp->total_sectors; 1918 meta->rebuild_lba = rdp->rebuild_lba; 1919 if (testing || bootverbose) 1920 ata_raid_hptv2_print_meta(meta); 1921 if (rdp->disks[disk].dev) { 1922 if (ata_raid_rw(rdp->disks[disk].dev, 1923 HPTV2_LBA(rdp->disks[disk].dev), meta, 1924 sizeof(struct promise_raid_conf), 1925 ATA_R_WRITE | ATA_R_DIRECT)) { 1926 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 1927 error = EIO; 1928 } 1929 } 1930 } 1931 kfree(meta, M_AR); 1932 return error; 1933 } 1934 1935 /* Highpoint V3 RocketRAID Metadata */ 1936 static int 1937 ata_raid_hptv3_read_meta(device_t dev, struct ar_softc **raidp) 1938 { 1939 struct ata_raid_subdisk *ars = device_get_softc(dev); 1940 device_t parent = device_get_parent(dev); 1941 struct hptv3_raid_conf *meta; 1942 struct ar_softc *raid = NULL; 1943 int array, disk_number, retval = 0; 1944 1945 if (!(meta = (struct hptv3_raid_conf *) 1946 kmalloc(sizeof(struct hptv3_raid_conf), M_AR, M_WAITOK | M_ZERO))) 1947 return ENOMEM; 1948 1949 if (ata_raid_rw(parent, HPTV3_LBA(parent), 1950 meta, sizeof(struct hptv3_raid_conf), ATA_R_READ)) { 1951 if (testing || bootverbose) 1952 device_printf(parent, "HighPoint (v3) read metadata failed\n"); 1953 goto hptv3_out; 1954 } 1955 1956 /* check if this is a HighPoint v3 RAID struct */ 1957 if (meta->magic != HPTV3_MAGIC) { 1958 if (testing || bootverbose) 1959 device_printf(parent, "HighPoint (v3) check1 failed\n"); 1960 goto hptv3_out; 1961 } 1962 1963 /* check if there are any config_entries */ 1964 if (meta->config_entries < 1) { 1965 if (testing || bootverbose) 1966 device_printf(parent, "HighPoint (v3) check2 failed\n"); 1967 goto hptv3_out; 1968 } 1969 1970 if (testing || bootverbose) 1971 ata_raid_hptv3_print_meta(meta); 1972 1973 /* now convert HighPoint (v3) metadata into our generic form */ 1974 for (array = 0; array < MAX_ARRAYS; array++) { 1975 if (!raidp[array]) { 1976 raidp[array] = 1977 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 1978 M_WAITOK | M_ZERO); 1979 if (!raidp[array]) { 1980 device_printf(parent, "failed to allocate metadata storage\n"); 1981 goto hptv3_out; 1982 } 1983 } 1984 raid = raidp[array]; 1985 if (raid->format && (raid->format != AR_F_HPTV3_RAID)) 1986 continue; 1987 1988 if ((raid->format & AR_F_HPTV3_RAID) && raid->magic_0 != meta->magic_0) 1989 continue; 1990 1991 switch (meta->configs[0].type) { 1992 case HPTV3_T_RAID0: 1993 raid->type = AR_T_RAID0; 1994 raid->width = meta->configs[0].total_disks; 1995 disk_number = meta->configs[0].disk_number; 1996 break; 1997 1998 case HPTV3_T_RAID1: 1999 raid->type = AR_T_RAID1; 2000 raid->width = meta->configs[0].total_disks / 2; 2001 disk_number = meta->configs[0].disk_number; 2002 break; 2003 2004 case HPTV3_T_RAID5: 2005 raid->type = AR_T_RAID5; 2006 raid->width = meta->configs[0].total_disks; 2007 disk_number = meta->configs[0].disk_number; 2008 break; 2009 2010 case HPTV3_T_SPAN: 2011 raid->type = AR_T_SPAN; 2012 raid->width = meta->configs[0].total_disks; 2013 disk_number = meta->configs[0].disk_number; 2014 break; 2015 2016 default: 2017 device_printf(parent, "Highpoint (v3) unknown RAID type 0x%02x\n", 2018 meta->configs[0].type); 2019 kfree(raidp[array], M_AR); 2020 raidp[array] = NULL; 2021 goto hptv3_out; 2022 } 2023 if (meta->config_entries == 2) { 2024 switch (meta->configs[1].type) { 2025 case HPTV3_T_RAID1: 2026 if (raid->type == AR_T_RAID0) { 2027 raid->type = AR_T_RAID01; 2028 disk_number = meta->configs[1].disk_number + 2029 (meta->configs[0].disk_number << 1); 2030 break; 2031 } 2032 default: 2033 device_printf(parent, "Highpoint (v3) unknown level 2 0x%02x\n", 2034 meta->configs[1].type); 2035 kfree(raidp[array], M_AR); 2036 raidp[array] = NULL; 2037 goto hptv3_out; 2038 } 2039 } 2040 2041 raid->magic_0 = meta->magic_0; 2042 raid->format = AR_F_HPTV3_RAID; 2043 raid->generation = meta->timestamp; 2044 raid->interleave = 1 << meta->configs[0].stripe_shift; 2045 raid->total_disks = meta->configs[0].total_disks + 2046 meta->configs[1].total_disks; 2047 raid->total_sectors = meta->configs[0].total_sectors + 2048 ((u_int64_t)meta->configs_high[0].total_sectors << 32); 2049 raid->heads = 255; 2050 raid->sectors = 63; 2051 raid->cylinders = raid->total_sectors / (63 * 255); 2052 raid->offset_sectors = 0; 2053 raid->rebuild_lba = meta->configs[0].rebuild_lba + 2054 ((u_int64_t)meta->configs_high[0].rebuild_lba << 32); 2055 raid->lun = array; 2056 strncpy(raid->name, meta->name, 2057 min(sizeof(raid->name), sizeof(meta->name))); 2058 raid->disks[disk_number].sectors = raid->total_sectors / 2059 (raid->type == AR_T_RAID5 ? raid->width - 1 : raid->width); 2060 raid->disks[disk_number].dev = parent; 2061 raid->disks[disk_number].flags = 2062 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 2063 ars->raid[raid->volume] = raid; 2064 ars->disk_number[raid->volume] = disk_number; 2065 retval = 1; 2066 break; 2067 } 2068 2069 hptv3_out: 2070 kfree(meta, M_AR); 2071 return retval; 2072 } 2073 2074 /* Intel MatrixRAID Metadata */ 2075 static int 2076 ata_raid_intel_read_meta(device_t dev, struct ar_softc **raidp) 2077 { 2078 struct ata_raid_subdisk *ars = device_get_softc(dev); 2079 device_t parent = device_get_parent(dev); 2080 struct intel_raid_conf *meta; 2081 struct intel_raid_mapping *map; 2082 struct ar_softc *raid = NULL; 2083 u_int32_t checksum, *ptr; 2084 int array, count, disk, volume = 1, retval = 0; 2085 char *tmp; 2086 2087 if (!(meta = (struct intel_raid_conf *) 2088 kmalloc(1536, M_AR, M_WAITOK | M_ZERO))) 2089 return ENOMEM; 2090 2091 if (ata_raid_rw(parent, INTEL_LBA(parent), meta, 1024, ATA_R_READ)) { 2092 if (testing || bootverbose) 2093 device_printf(parent, "Intel read metadata failed\n"); 2094 goto intel_out; 2095 } 2096 tmp = (char *)meta; 2097 bcopy(tmp, tmp+1024, 512); 2098 bcopy(tmp+512, tmp, 1024); 2099 bzero(tmp+1024, 512); 2100 2101 /* check if this is a Intel RAID struct */ 2102 if (strncmp(meta->intel_id, INTEL_MAGIC, strlen(INTEL_MAGIC))) { 2103 if (testing || bootverbose) 2104 device_printf(parent, "Intel check1 failed\n"); 2105 goto intel_out; 2106 } 2107 2108 for (checksum = 0, ptr = (u_int32_t *)meta, count = 0; 2109 count < (meta->config_size / sizeof(u_int32_t)); count++) { 2110 checksum += *ptr++; 2111 } 2112 checksum -= meta->checksum; 2113 if (checksum != meta->checksum) { 2114 if (testing || bootverbose) 2115 device_printf(parent, "Intel check2 failed\n"); 2116 goto intel_out; 2117 } 2118 2119 if (testing || bootverbose) 2120 ata_raid_intel_print_meta(meta); 2121 2122 map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks]; 2123 2124 /* now convert Intel metadata into our generic form */ 2125 for (array = 0; array < MAX_ARRAYS; array++) { 2126 if (!raidp[array]) { 2127 raidp[array] = 2128 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2129 M_WAITOK | M_ZERO); 2130 if (!raidp[array]) { 2131 device_printf(parent, "failed to allocate metadata storage\n"); 2132 goto intel_out; 2133 } 2134 } 2135 raid = raidp[array]; 2136 if (raid->format && (raid->format != AR_F_INTEL_RAID)) 2137 continue; 2138 2139 if ((raid->format & AR_F_INTEL_RAID) && 2140 (raid->magic_0 != meta->config_id)) 2141 continue; 2142 2143 /* 2144 * update our knowledge about the array config based on generation 2145 * NOTE: there can be multiple volumes on a disk set 2146 */ 2147 if (!meta->generation || meta->generation > raid->generation) { 2148 switch (map->type) { 2149 case INTEL_T_RAID0: 2150 raid->type = AR_T_RAID0; 2151 raid->width = map->total_disks; 2152 break; 2153 2154 case INTEL_T_RAID1: 2155 if (map->total_disks == 4) 2156 raid->type = AR_T_RAID01; 2157 else 2158 raid->type = AR_T_RAID1; 2159 raid->width = map->total_disks / 2; 2160 break; 2161 2162 case INTEL_T_RAID5: 2163 raid->type = AR_T_RAID5; 2164 raid->width = map->total_disks; 2165 break; 2166 2167 default: 2168 device_printf(parent, "Intel unknown RAID type 0x%02x\n", 2169 map->type); 2170 kfree(raidp[array], M_AR); 2171 raidp[array] = NULL; 2172 goto intel_out; 2173 } 2174 2175 switch (map->status) { 2176 case INTEL_S_READY: 2177 raid->status = AR_S_READY; 2178 break; 2179 case INTEL_S_DEGRADED: 2180 raid->status |= AR_S_DEGRADED; 2181 break; 2182 case INTEL_S_DISABLED: 2183 case INTEL_S_FAILURE: 2184 raid->status = 0; 2185 } 2186 2187 raid->magic_0 = meta->config_id; 2188 raid->format = AR_F_INTEL_RAID; 2189 raid->generation = meta->generation; 2190 raid->interleave = map->stripe_sectors; 2191 raid->total_disks = map->total_disks; 2192 raid->total_sectors = map->total_sectors; 2193 raid->heads = 255; 2194 raid->sectors = 63; 2195 raid->cylinders = raid->total_sectors / (63 * 255); 2196 raid->offset_sectors = map->offset; 2197 raid->rebuild_lba = 0; 2198 raid->lun = array; 2199 raid->volume = volume - 1; 2200 strncpy(raid->name, map->name, 2201 min(sizeof(raid->name), sizeof(map->name))); 2202 2203 /* clear out any old info */ 2204 for (disk = 0; disk < raid->total_disks; disk++) { 2205 raid->disks[disk].dev = NULL; 2206 bcopy(meta->disk[map->disk_idx[disk]].serial, 2207 raid->disks[disk].serial, 2208 sizeof(raid->disks[disk].serial)); 2209 raid->disks[disk].sectors = 2210 meta->disk[map->disk_idx[disk]].sectors; 2211 raid->disks[disk].flags = 0; 2212 if (meta->disk[map->disk_idx[disk]].flags & INTEL_F_ONLINE) 2213 raid->disks[disk].flags |= AR_DF_ONLINE; 2214 if (meta->disk[map->disk_idx[disk]].flags & INTEL_F_ASSIGNED) 2215 raid->disks[disk].flags |= AR_DF_ASSIGNED; 2216 if (meta->disk[map->disk_idx[disk]].flags & INTEL_F_SPARE) { 2217 raid->disks[disk].flags &= ~(AR_DF_ONLINE | AR_DF_ASSIGNED); 2218 raid->disks[disk].flags |= AR_DF_SPARE; 2219 } 2220 if (meta->disk[map->disk_idx[disk]].flags & INTEL_F_DOWN) 2221 raid->disks[disk].flags &= ~AR_DF_ONLINE; 2222 } 2223 } 2224 if (meta->generation >= raid->generation) { 2225 for (disk = 0; disk < raid->total_disks; disk++) { 2226 struct ata_device *atadev = device_get_softc(parent); 2227 2228 if (!strncmp(raid->disks[disk].serial, atadev->param.serial, 2229 sizeof(raid->disks[disk].serial))) { 2230 raid->disks[disk].dev = parent; 2231 raid->disks[disk].flags |= (AR_DF_PRESENT | AR_DF_ONLINE); 2232 ars->raid[raid->volume] = raid; 2233 ars->disk_number[raid->volume] = disk; 2234 retval = 1; 2235 } 2236 } 2237 } 2238 else 2239 goto intel_out; 2240 2241 if (retval) { 2242 if (volume < meta->total_volumes) { 2243 map = (struct intel_raid_mapping *) 2244 &map->disk_idx[map->total_disks]; 2245 volume++; 2246 retval = 0; 2247 continue; 2248 } 2249 break; 2250 } 2251 else { 2252 kfree(raidp[array], M_AR); 2253 raidp[array] = NULL; 2254 if (volume == 2) 2255 retval = 1; 2256 } 2257 } 2258 2259 intel_out: 2260 kfree(meta, M_AR); 2261 return retval; 2262 } 2263 2264 static int 2265 ata_raid_intel_write_meta(struct ar_softc *rdp) 2266 { 2267 struct intel_raid_conf *meta; 2268 struct intel_raid_mapping *map; 2269 struct timeval timestamp; 2270 u_int32_t checksum, *ptr; 2271 int count, disk, error = 0; 2272 char *tmp; 2273 2274 if (!(meta = (struct intel_raid_conf *) 2275 kmalloc(1536, M_AR, M_WAITOK | M_ZERO))) { 2276 kprintf("ar%d: failed to allocate metadata storage\n", rdp->lun); 2277 return ENOMEM; 2278 } 2279 2280 rdp->generation++; 2281 microtime(×tamp); 2282 2283 bcopy(INTEL_MAGIC, meta->intel_id, sizeof(meta->intel_id)); 2284 bcopy(INTEL_VERSION_1100, meta->version, sizeof(meta->version)); 2285 meta->config_id = timestamp.tv_sec; 2286 meta->generation = rdp->generation; 2287 meta->total_disks = rdp->total_disks; 2288 meta->total_volumes = 1; /* XXX SOS */ 2289 for (disk = 0; disk < rdp->total_disks; disk++) { 2290 if (rdp->disks[disk].dev) { 2291 struct ata_channel *ch = 2292 device_get_softc(device_get_parent(rdp->disks[disk].dev)); 2293 struct ata_device *atadev = 2294 device_get_softc(rdp->disks[disk].dev); 2295 2296 bcopy(atadev->param.serial, meta->disk[disk].serial, 2297 sizeof(rdp->disks[disk].serial)); 2298 meta->disk[disk].sectors = rdp->disks[disk].sectors; 2299 meta->disk[disk].id = (ch->unit << 16) | ATA_DEV(atadev->unit); 2300 } 2301 else 2302 meta->disk[disk].sectors = rdp->total_sectors / rdp->width; 2303 meta->disk[disk].flags = 0; 2304 if (rdp->disks[disk].flags & AR_DF_SPARE) 2305 meta->disk[disk].flags |= INTEL_F_SPARE; 2306 else { 2307 if (rdp->disks[disk].flags & AR_DF_ONLINE) 2308 meta->disk[disk].flags |= INTEL_F_ONLINE; 2309 else 2310 meta->disk[disk].flags |= INTEL_F_DOWN; 2311 if (rdp->disks[disk].flags & AR_DF_ASSIGNED) 2312 meta->disk[disk].flags |= INTEL_F_ASSIGNED; 2313 } 2314 } 2315 map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks]; 2316 2317 bcopy(rdp->name, map->name, sizeof(rdp->name)); 2318 map->total_sectors = rdp->total_sectors; 2319 map->state = 12; /* XXX SOS */ 2320 map->offset = rdp->offset_sectors; 2321 map->stripe_count = rdp->total_sectors / (rdp->interleave*rdp->total_disks); 2322 map->stripe_sectors = rdp->interleave; 2323 map->disk_sectors = rdp->total_sectors / rdp->width; 2324 map->status = INTEL_S_READY; /* XXX SOS */ 2325 switch (rdp->type) { 2326 case AR_T_RAID0: 2327 map->type = INTEL_T_RAID0; 2328 break; 2329 case AR_T_RAID1: 2330 map->type = INTEL_T_RAID1; 2331 break; 2332 case AR_T_RAID01: 2333 map->type = INTEL_T_RAID1; 2334 break; 2335 case AR_T_RAID5: 2336 map->type = INTEL_T_RAID5; 2337 break; 2338 default: 2339 kfree(meta, M_AR); 2340 return ENODEV; 2341 } 2342 map->total_disks = rdp->total_disks; 2343 map->magic[0] = 0x02; 2344 map->magic[1] = 0xff; 2345 map->magic[2] = 0x01; 2346 for (disk = 0; disk < rdp->total_disks; disk++) 2347 map->disk_idx[disk] = disk; 2348 2349 meta->config_size = (char *)&map->disk_idx[disk] - (char *)meta; 2350 for (checksum = 0, ptr = (u_int32_t *)meta, count = 0; 2351 count < (meta->config_size / sizeof(u_int32_t)); count++) { 2352 checksum += *ptr++; 2353 } 2354 meta->checksum = checksum; 2355 2356 if (testing || bootverbose) 2357 ata_raid_intel_print_meta(meta); 2358 2359 tmp = (char *)meta; 2360 bcopy(tmp, tmp+1024, 512); 2361 bcopy(tmp+512, tmp, 1024); 2362 bzero(tmp+1024, 512); 2363 2364 for (disk = 0; disk < rdp->total_disks; disk++) { 2365 if (rdp->disks[disk].dev) { 2366 if (ata_raid_rw(rdp->disks[disk].dev, 2367 INTEL_LBA(rdp->disks[disk].dev), 2368 meta, 1024, ATA_R_WRITE | ATA_R_DIRECT)) { 2369 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 2370 error = EIO; 2371 } 2372 } 2373 } 2374 kfree(meta, M_AR); 2375 return error; 2376 } 2377 2378 2379 /* Integrated Technology Express Metadata */ 2380 static int 2381 ata_raid_ite_read_meta(device_t dev, struct ar_softc **raidp) 2382 { 2383 struct ata_raid_subdisk *ars = device_get_softc(dev); 2384 device_t parent = device_get_parent(dev); 2385 struct ite_raid_conf *meta; 2386 struct ar_softc *raid = NULL; 2387 int array, disk_number, count, retval = 0; 2388 u_int16_t *ptr; 2389 2390 if (!(meta = (struct ite_raid_conf *) 2391 kmalloc(sizeof(struct ite_raid_conf), M_AR, M_WAITOK | M_ZERO))) 2392 return ENOMEM; 2393 2394 if (ata_raid_rw(parent, ITE_LBA(parent), 2395 meta, sizeof(struct ite_raid_conf), ATA_R_READ)) { 2396 if (testing || bootverbose) 2397 device_printf(parent, "ITE read metadata failed\n"); 2398 goto ite_out; 2399 } 2400 2401 /* check if this is a ITE RAID struct */ 2402 for (ptr = (u_int16_t *)meta->ite_id, count = 0; 2403 count < sizeof(meta->ite_id)/sizeof(uint16_t); count++) 2404 ptr[count] = be16toh(ptr[count]); 2405 2406 if (strncmp(meta->ite_id, ITE_MAGIC, strlen(ITE_MAGIC))) { 2407 if (testing || bootverbose) 2408 device_printf(parent, "ITE check1 failed\n"); 2409 goto ite_out; 2410 } 2411 2412 if (testing || bootverbose) 2413 ata_raid_ite_print_meta(meta); 2414 2415 /* now convert ITE metadata into our generic form */ 2416 for (array = 0; array < MAX_ARRAYS; array++) { 2417 if ((raid = raidp[array])) { 2418 if (raid->format != AR_F_ITE_RAID) 2419 continue; 2420 if (raid->magic_0 != *((u_int64_t *)meta->timestamp_0)) 2421 continue; 2422 } 2423 2424 /* if we dont have a disks timestamp the RAID is invalidated */ 2425 if (*((u_int64_t *)meta->timestamp_1) == 0) 2426 goto ite_out; 2427 2428 if (!raid) { 2429 raidp[array] = (struct ar_softc *)kmalloc(sizeof(struct ar_softc), 2430 M_AR, M_WAITOK | M_ZERO); 2431 if (!(raid = raidp[array])) { 2432 device_printf(parent, "failed to allocate metadata storage\n"); 2433 goto ite_out; 2434 } 2435 } 2436 2437 switch (meta->type) { 2438 case ITE_T_RAID0: 2439 raid->type = AR_T_RAID0; 2440 raid->width = meta->array_width; 2441 raid->total_disks = meta->array_width; 2442 disk_number = meta->disk_number; 2443 break; 2444 2445 case ITE_T_RAID1: 2446 raid->type = AR_T_RAID1; 2447 raid->width = 1; 2448 raid->total_disks = 2; 2449 disk_number = meta->disk_number; 2450 break; 2451 2452 case ITE_T_RAID01: 2453 raid->type = AR_T_RAID01; 2454 raid->width = meta->array_width; 2455 raid->total_disks = 4; 2456 disk_number = ((meta->disk_number & 0x02) >> 1) | 2457 ((meta->disk_number & 0x01) << 1); 2458 break; 2459 2460 case ITE_T_SPAN: 2461 raid->type = AR_T_SPAN; 2462 raid->width = 1; 2463 raid->total_disks = meta->array_width; 2464 disk_number = meta->disk_number; 2465 break; 2466 2467 default: 2468 device_printf(parent, "ITE unknown RAID type 0x%02x\n", meta->type); 2469 kfree(raidp[array], M_AR); 2470 raidp[array] = NULL; 2471 goto ite_out; 2472 } 2473 2474 raid->magic_0 = *((u_int64_t *)meta->timestamp_0); 2475 raid->format = AR_F_ITE_RAID; 2476 raid->generation = 0; 2477 raid->interleave = meta->stripe_sectors; 2478 raid->total_sectors = meta->total_sectors; 2479 raid->heads = 255; 2480 raid->sectors = 63; 2481 raid->cylinders = raid->total_sectors / (63 * 255); 2482 raid->offset_sectors = 0; 2483 raid->rebuild_lba = 0; 2484 raid->lun = array; 2485 2486 raid->disks[disk_number].dev = parent; 2487 raid->disks[disk_number].sectors = raid->total_sectors / raid->width; 2488 raid->disks[disk_number].flags = 2489 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 2490 ars->raid[raid->volume] = raid; 2491 ars->disk_number[raid->volume] = disk_number; 2492 retval = 1; 2493 break; 2494 } 2495 ite_out: 2496 kfree(meta, M_AR); 2497 return retval; 2498 } 2499 2500 /* JMicron Technology Corp Metadata */ 2501 static int 2502 ata_raid_jmicron_read_meta(device_t dev, struct ar_softc **raidp) 2503 { 2504 struct ata_raid_subdisk *ars = device_get_softc(dev); 2505 device_t parent = device_get_parent(dev); 2506 struct jmicron_raid_conf *meta; 2507 struct ar_softc *raid = NULL; 2508 u_int16_t checksum, *ptr; 2509 u_int64_t disk_size; 2510 int count, array, disk, total_disks, retval = 0; 2511 2512 if (!(meta = (struct jmicron_raid_conf *) 2513 kmalloc(sizeof(struct jmicron_raid_conf), M_AR, M_WAITOK | M_ZERO))) 2514 return ENOMEM; 2515 2516 if (ata_raid_rw(parent, JMICRON_LBA(parent), 2517 meta, sizeof(struct jmicron_raid_conf), ATA_R_READ)) { 2518 if (testing || bootverbose) 2519 device_printf(parent, 2520 "JMicron read metadata failed\n"); 2521 } 2522 2523 /* check for JMicron signature */ 2524 if (strncmp(meta->signature, JMICRON_MAGIC, 2)) { 2525 if (testing || bootverbose) 2526 device_printf(parent, "JMicron check1 failed\n"); 2527 goto jmicron_out; 2528 } 2529 2530 /* calculate checksum and compare for valid */ 2531 for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 64; count++) 2532 checksum += *ptr++; 2533 if (checksum) { 2534 if (testing || bootverbose) 2535 device_printf(parent, "JMicron check2 failed\n"); 2536 goto jmicron_out; 2537 } 2538 2539 if (testing || bootverbose) 2540 ata_raid_jmicron_print_meta(meta); 2541 2542 /* now convert JMicron meta into our generic form */ 2543 for (array = 0; array < MAX_ARRAYS; array++) { 2544 jmicron_next: 2545 if (!raidp[array]) { 2546 raidp[array] = 2547 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2548 M_WAITOK | M_ZERO); 2549 if (!raidp[array]) { 2550 device_printf(parent, "failed to allocate metadata storage\n"); 2551 goto jmicron_out; 2552 } 2553 } 2554 raid = raidp[array]; 2555 if (raid->format && (raid->format != AR_F_JMICRON_RAID)) 2556 continue; 2557 2558 for (total_disks = 0, disk = 0; disk < JM_MAX_DISKS; disk++) { 2559 if (meta->disks[disk]) { 2560 if (raid->format == AR_F_JMICRON_RAID) { 2561 if (bcmp(&meta->disks[disk], 2562 raid->disks[disk].serial, sizeof(u_int32_t))) { 2563 array++; 2564 goto jmicron_next; 2565 } 2566 } 2567 else 2568 bcopy(&meta->disks[disk], 2569 raid->disks[disk].serial, sizeof(u_int32_t)); 2570 total_disks++; 2571 } 2572 } 2573 /* handle spares XXX SOS */ 2574 2575 switch (meta->type) { 2576 case JM_T_RAID0: 2577 raid->type = AR_T_RAID0; 2578 raid->width = total_disks; 2579 break; 2580 2581 case JM_T_RAID1: 2582 raid->type = AR_T_RAID1; 2583 raid->width = 1; 2584 break; 2585 2586 case JM_T_RAID01: 2587 raid->type = AR_T_RAID01; 2588 raid->width = total_disks / 2; 2589 break; 2590 2591 case JM_T_RAID5: 2592 raid->type = AR_T_RAID5; 2593 raid->width = total_disks; 2594 break; 2595 2596 case JM_T_JBOD: 2597 raid->type = AR_T_SPAN; 2598 raid->width = 1; 2599 break; 2600 2601 default: 2602 device_printf(parent, 2603 "JMicron unknown RAID type 0x%02x\n", meta->type); 2604 kfree(raidp[array], M_AR); 2605 raidp[array] = NULL; 2606 goto jmicron_out; 2607 } 2608 disk_size = (meta->disk_sectors_high << 16) + meta->disk_sectors_low; 2609 raid->format = AR_F_JMICRON_RAID; 2610 strncpy(raid->name, meta->name, sizeof(meta->name)); 2611 raid->generation = 0; 2612 raid->interleave = 2 << meta->stripe_shift; 2613 raid->total_disks = total_disks; 2614 raid->total_sectors = disk_size * (raid->width-(raid->type==AR_RAID5)); 2615 raid->heads = 255; 2616 raid->sectors = 63; 2617 raid->cylinders = raid->total_sectors / (63 * 255); 2618 raid->offset_sectors = meta->offset * 16; 2619 raid->rebuild_lba = 0; 2620 raid->lun = array; 2621 2622 for (disk = 0; disk < raid->total_disks; disk++) { 2623 if (meta->disks[disk] == meta->disk_id) { 2624 raid->disks[disk].dev = parent; 2625 raid->disks[disk].sectors = disk_size; 2626 raid->disks[disk].flags = 2627 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 2628 ars->raid[raid->volume] = raid; 2629 ars->disk_number[raid->volume] = disk; 2630 retval = 1; 2631 break; 2632 } 2633 } 2634 break; 2635 } 2636 jmicron_out: 2637 kfree(meta, M_AR); 2638 return retval; 2639 } 2640 2641 static int 2642 ata_raid_jmicron_write_meta(struct ar_softc *rdp) 2643 { 2644 struct jmicron_raid_conf *meta; 2645 u_int64_t disk_sectors; 2646 int disk, error = 0; 2647 2648 if (!(meta = (struct jmicron_raid_conf *) 2649 kmalloc(sizeof(struct jmicron_raid_conf), M_AR, M_WAITOK | M_ZERO))) { 2650 kprintf("ar%d: failed to allocate metadata storage\n", rdp->lun); 2651 return ENOMEM; 2652 } 2653 2654 rdp->generation++; 2655 switch (rdp->type) { 2656 case AR_T_JBOD: 2657 meta->type = JM_T_JBOD; 2658 break; 2659 2660 case AR_T_RAID0: 2661 meta->type = JM_T_RAID0; 2662 break; 2663 2664 case AR_T_RAID1: 2665 meta->type = JM_T_RAID1; 2666 break; 2667 2668 case AR_T_RAID5: 2669 meta->type = JM_T_RAID5; 2670 break; 2671 2672 case AR_T_RAID01: 2673 meta->type = JM_T_RAID01; 2674 break; 2675 2676 default: 2677 kfree(meta, M_AR); 2678 return ENODEV; 2679 } 2680 bcopy(JMICRON_MAGIC, meta->signature, sizeof(JMICRON_MAGIC)); 2681 meta->version = JMICRON_VERSION; 2682 meta->offset = rdp->offset_sectors / 16; 2683 disk_sectors = rdp->total_sectors / (rdp->width - (rdp->type == AR_RAID5)); 2684 meta->disk_sectors_low = disk_sectors & 0xffff; 2685 meta->disk_sectors_high = disk_sectors >> 16; 2686 strncpy(meta->name, rdp->name, sizeof(meta->name)); 2687 meta->stripe_shift = ffs(rdp->interleave) - 2; 2688 2689 for (disk = 0; disk < rdp->total_disks; disk++) { 2690 if (rdp->disks[disk].serial[0]) 2691 bcopy(rdp->disks[disk].serial,&meta->disks[disk],sizeof(u_int32_t)); 2692 else 2693 meta->disks[disk] = (u_int32_t)(uintptr_t)rdp->disks[disk].dev; 2694 } 2695 2696 for (disk = 0; disk < rdp->total_disks; disk++) { 2697 if (rdp->disks[disk].dev) { 2698 u_int16_t checksum = 0, *ptr; 2699 int count; 2700 2701 meta->disk_id = meta->disks[disk]; 2702 meta->checksum = 0; 2703 for (ptr = (u_int16_t *)meta, count = 0; count < 64; count++) 2704 checksum += *ptr++; 2705 meta->checksum -= checksum; 2706 2707 if (testing || bootverbose) 2708 ata_raid_jmicron_print_meta(meta); 2709 2710 if (ata_raid_rw(rdp->disks[disk].dev, 2711 JMICRON_LBA(rdp->disks[disk].dev), 2712 meta, sizeof(struct jmicron_raid_conf), 2713 ATA_R_WRITE | ATA_R_DIRECT)) { 2714 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 2715 error = EIO; 2716 } 2717 } 2718 } 2719 /* handle spares XXX SOS */ 2720 2721 kfree(meta, M_AR); 2722 return error; 2723 } 2724 2725 /* LSILogic V2 MegaRAID Metadata */ 2726 static int 2727 ata_raid_lsiv2_read_meta(device_t dev, struct ar_softc **raidp) 2728 { 2729 struct ata_raid_subdisk *ars = device_get_softc(dev); 2730 device_t parent = device_get_parent(dev); 2731 struct lsiv2_raid_conf *meta; 2732 struct ar_softc *raid = NULL; 2733 int array, retval = 0; 2734 2735 if (!(meta = (struct lsiv2_raid_conf *) 2736 kmalloc(sizeof(struct lsiv2_raid_conf), M_AR, M_WAITOK | M_ZERO))) 2737 return ENOMEM; 2738 2739 if (ata_raid_rw(parent, LSIV2_LBA(parent), 2740 meta, sizeof(struct lsiv2_raid_conf), ATA_R_READ)) { 2741 if (testing || bootverbose) 2742 device_printf(parent, "LSI (v2) read metadata failed\n"); 2743 goto lsiv2_out; 2744 } 2745 2746 /* check if this is a LSI RAID struct */ 2747 if (strncmp(meta->lsi_id, LSIV2_MAGIC, strlen(LSIV2_MAGIC))) { 2748 if (testing || bootverbose) 2749 device_printf(parent, "LSI (v2) check1 failed\n"); 2750 goto lsiv2_out; 2751 } 2752 2753 if (testing || bootverbose) 2754 ata_raid_lsiv2_print_meta(meta); 2755 2756 /* now convert LSI (v2) config meta into our generic form */ 2757 for (array = 0; array < MAX_ARRAYS; array++) { 2758 int raid_entry, conf_entry; 2759 2760 if (!raidp[array + meta->raid_number]) { 2761 raidp[array + meta->raid_number] = 2762 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2763 M_WAITOK | M_ZERO); 2764 if (!raidp[array + meta->raid_number]) { 2765 device_printf(parent, "failed to allocate metadata storage\n"); 2766 goto lsiv2_out; 2767 } 2768 } 2769 raid = raidp[array + meta->raid_number]; 2770 if (raid->format && (raid->format != AR_F_LSIV2_RAID)) 2771 continue; 2772 2773 if (raid->magic_0 && 2774 ((raid->magic_0 != meta->timestamp) || 2775 (raid->magic_1 != meta->raid_number))) 2776 continue; 2777 2778 array += meta->raid_number; 2779 2780 raid_entry = meta->raid_number; 2781 conf_entry = (meta->configs[raid_entry].raid.config_offset >> 4) + 2782 meta->disk_number - 1; 2783 2784 switch (meta->configs[raid_entry].raid.type) { 2785 case LSIV2_T_RAID0: 2786 raid->magic_0 = meta->timestamp; 2787 raid->magic_1 = meta->raid_number; 2788 raid->type = AR_T_RAID0; 2789 raid->interleave = meta->configs[raid_entry].raid.stripe_sectors; 2790 raid->width = meta->configs[raid_entry].raid.array_width; 2791 break; 2792 2793 case LSIV2_T_RAID1: 2794 raid->magic_0 = meta->timestamp; 2795 raid->magic_1 = meta->raid_number; 2796 raid->type = AR_T_RAID1; 2797 raid->width = meta->configs[raid_entry].raid.array_width; 2798 break; 2799 2800 case LSIV2_T_RAID0 | LSIV2_T_RAID1: 2801 raid->magic_0 = meta->timestamp; 2802 raid->magic_1 = meta->raid_number; 2803 raid->type = AR_T_RAID01; 2804 raid->interleave = meta->configs[raid_entry].raid.stripe_sectors; 2805 raid->width = meta->configs[raid_entry].raid.array_width; 2806 break; 2807 2808 default: 2809 device_printf(parent, "LSI v2 unknown RAID type 0x%02x\n", 2810 meta->configs[raid_entry].raid.type); 2811 kfree(raidp[array], M_AR); 2812 raidp[array] = NULL; 2813 goto lsiv2_out; 2814 } 2815 2816 raid->format = AR_F_LSIV2_RAID; 2817 raid->generation = 0; 2818 raid->total_disks = meta->configs[raid_entry].raid.disk_count; 2819 raid->total_sectors = meta->configs[raid_entry].raid.total_sectors; 2820 raid->heads = 255; 2821 raid->sectors = 63; 2822 raid->cylinders = raid->total_sectors / (63 * 255); 2823 raid->offset_sectors = 0; 2824 raid->rebuild_lba = 0; 2825 raid->lun = array; 2826 2827 if (meta->configs[conf_entry].disk.device != LSIV2_D_NONE) { 2828 raid->disks[meta->disk_number].dev = parent; 2829 raid->disks[meta->disk_number].sectors = 2830 meta->configs[conf_entry].disk.disk_sectors; 2831 raid->disks[meta->disk_number].flags = 2832 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 2833 ars->raid[raid->volume] = raid; 2834 ars->disk_number[raid->volume] = meta->disk_number; 2835 retval = 1; 2836 } 2837 else 2838 raid->disks[meta->disk_number].flags &= ~AR_DF_ONLINE; 2839 2840 break; 2841 } 2842 2843 lsiv2_out: 2844 kfree(meta, M_AR); 2845 return retval; 2846 } 2847 2848 /* LSILogic V3 MegaRAID Metadata */ 2849 static int 2850 ata_raid_lsiv3_read_meta(device_t dev, struct ar_softc **raidp) 2851 { 2852 struct ata_raid_subdisk *ars = device_get_softc(dev); 2853 device_t parent = device_get_parent(dev); 2854 struct lsiv3_raid_conf *meta; 2855 struct ar_softc *raid = NULL; 2856 u_int8_t checksum, *ptr; 2857 int array, entry, count, disk_number, retval = 0; 2858 2859 if (!(meta = (struct lsiv3_raid_conf *) 2860 kmalloc(sizeof(struct lsiv3_raid_conf), M_AR, M_WAITOK | M_ZERO))) 2861 return ENOMEM; 2862 2863 if (ata_raid_rw(parent, LSIV3_LBA(parent), 2864 meta, sizeof(struct lsiv3_raid_conf), ATA_R_READ)) { 2865 if (testing || bootverbose) 2866 device_printf(parent, "LSI (v3) read metadata failed\n"); 2867 goto lsiv3_out; 2868 } 2869 2870 /* check if this is a LSI RAID struct */ 2871 if (strncmp(meta->lsi_id, LSIV3_MAGIC, strlen(LSIV3_MAGIC))) { 2872 if (testing || bootverbose) 2873 device_printf(parent, "LSI (v3) check1 failed\n"); 2874 goto lsiv3_out; 2875 } 2876 2877 /* check if the checksum is OK */ 2878 for (checksum = 0, ptr = meta->lsi_id, count = 0; count < 512; count++) 2879 checksum += *ptr++; 2880 if (checksum) { 2881 if (testing || bootverbose) 2882 device_printf(parent, "LSI (v3) check2 failed\n"); 2883 goto lsiv3_out; 2884 } 2885 2886 if (testing || bootverbose) 2887 ata_raid_lsiv3_print_meta(meta); 2888 2889 /* now convert LSI (v3) config meta into our generic form */ 2890 for (array = 0, entry = 0; array < MAX_ARRAYS && entry < 8;) { 2891 if (!raidp[array]) { 2892 raidp[array] = 2893 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2894 M_WAITOK | M_ZERO); 2895 if (!raidp[array]) { 2896 device_printf(parent, "failed to allocate metadata storage\n"); 2897 goto lsiv3_out; 2898 } 2899 } 2900 raid = raidp[array]; 2901 if (raid->format && (raid->format != AR_F_LSIV3_RAID)) { 2902 array++; 2903 continue; 2904 } 2905 2906 if ((raid->format == AR_F_LSIV3_RAID) && 2907 (raid->magic_0 != meta->timestamp)) { 2908 array++; 2909 continue; 2910 } 2911 2912 switch (meta->raid[entry].total_disks) { 2913 case 0: 2914 entry++; 2915 continue; 2916 case 1: 2917 if (meta->raid[entry].device == meta->device) { 2918 disk_number = 0; 2919 break; 2920 } 2921 if (raid->format) 2922 array++; 2923 entry++; 2924 continue; 2925 case 2: 2926 disk_number = (meta->device & (LSIV3_D_DEVICE|LSIV3_D_CHANNEL))?1:0; 2927 break; 2928 default: 2929 device_printf(parent, "lsiv3 > 2 disk support untested!!\n"); 2930 disk_number = (meta->device & LSIV3_D_DEVICE ? 1 : 0) + 2931 (meta->device & LSIV3_D_CHANNEL ? 2 : 0); 2932 break; 2933 } 2934 2935 switch (meta->raid[entry].type) { 2936 case LSIV3_T_RAID0: 2937 raid->type = AR_T_RAID0; 2938 raid->width = meta->raid[entry].total_disks; 2939 break; 2940 2941 case LSIV3_T_RAID1: 2942 raid->type = AR_T_RAID1; 2943 raid->width = meta->raid[entry].array_width; 2944 break; 2945 2946 default: 2947 device_printf(parent, "LSI v3 unknown RAID type 0x%02x\n", 2948 meta->raid[entry].type); 2949 kfree(raidp[array], M_AR); 2950 raidp[array] = NULL; 2951 entry++; 2952 continue; 2953 } 2954 2955 raid->magic_0 = meta->timestamp; 2956 raid->format = AR_F_LSIV3_RAID; 2957 raid->generation = 0; 2958 raid->interleave = meta->raid[entry].stripe_pages * 8; 2959 raid->total_disks = meta->raid[entry].total_disks; 2960 raid->total_sectors = raid->width * meta->raid[entry].sectors; 2961 raid->heads = 255; 2962 raid->sectors = 63; 2963 raid->cylinders = raid->total_sectors / (63 * 255); 2964 raid->offset_sectors = meta->raid[entry].offset; 2965 raid->rebuild_lba = 0; 2966 raid->lun = array; 2967 2968 raid->disks[disk_number].dev = parent; 2969 raid->disks[disk_number].sectors = raid->total_sectors / raid->width; 2970 raid->disks[disk_number].flags = 2971 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 2972 ars->raid[raid->volume] = raid; 2973 ars->disk_number[raid->volume] = disk_number; 2974 retval = 1; 2975 entry++; 2976 array++; 2977 } 2978 2979 lsiv3_out: 2980 kfree(meta, M_AR); 2981 return retval; 2982 } 2983 2984 /* nVidia MediaShield Metadata */ 2985 static int 2986 ata_raid_nvidia_read_meta(device_t dev, struct ar_softc **raidp) 2987 { 2988 struct ata_raid_subdisk *ars = device_get_softc(dev); 2989 device_t parent = device_get_parent(dev); 2990 struct nvidia_raid_conf *meta; 2991 struct ar_softc *raid = NULL; 2992 u_int32_t checksum, *ptr; 2993 int array, count, retval = 0; 2994 2995 if (!(meta = (struct nvidia_raid_conf *) 2996 kmalloc(sizeof(struct nvidia_raid_conf), M_AR, M_WAITOK | M_ZERO))) 2997 return ENOMEM; 2998 2999 if (ata_raid_rw(parent, NVIDIA_LBA(parent), 3000 meta, sizeof(struct nvidia_raid_conf), ATA_R_READ)) { 3001 if (testing || bootverbose) 3002 device_printf(parent, "nVidia read metadata failed\n"); 3003 goto nvidia_out; 3004 } 3005 3006 /* check if this is a nVidia RAID struct */ 3007 if (strncmp(meta->nvidia_id, NV_MAGIC, strlen(NV_MAGIC))) { 3008 if (testing || bootverbose) 3009 device_printf(parent, "nVidia check1 failed\n"); 3010 goto nvidia_out; 3011 } 3012 3013 /* check if the checksum is OK */ 3014 for (checksum = 0, ptr = (u_int32_t*)meta, count = 0; 3015 count < meta->config_size; count++) 3016 checksum += *ptr++; 3017 if (checksum) { 3018 if (testing || bootverbose) 3019 device_printf(parent, "nVidia check2 failed\n"); 3020 goto nvidia_out; 3021 } 3022 3023 if (testing || bootverbose) 3024 ata_raid_nvidia_print_meta(meta); 3025 3026 /* now convert nVidia meta into our generic form */ 3027 for (array = 0; array < MAX_ARRAYS; array++) { 3028 if (!raidp[array]) { 3029 raidp[array] = 3030 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3031 M_WAITOK | M_ZERO); 3032 if (!raidp[array]) { 3033 device_printf(parent, "failed to allocate metadata storage\n"); 3034 goto nvidia_out; 3035 } 3036 } 3037 raid = raidp[array]; 3038 if (raid->format && (raid->format != AR_F_NVIDIA_RAID)) 3039 continue; 3040 3041 if (raid->format == AR_F_NVIDIA_RAID && 3042 ((raid->magic_0 != meta->magic_1) || 3043 (raid->magic_1 != meta->magic_2))) { 3044 continue; 3045 } 3046 3047 switch (meta->type) { 3048 case NV_T_SPAN: 3049 raid->type = AR_T_SPAN; 3050 break; 3051 3052 case NV_T_RAID0: 3053 raid->type = AR_T_RAID0; 3054 break; 3055 3056 case NV_T_RAID1: 3057 raid->type = AR_T_RAID1; 3058 break; 3059 3060 case NV_T_RAID5: 3061 raid->type = AR_T_RAID5; 3062 break; 3063 3064 case NV_T_RAID01: 3065 raid->type = AR_T_RAID01; 3066 break; 3067 3068 default: 3069 device_printf(parent, "nVidia unknown RAID type 0x%02x\n", 3070 meta->type); 3071 kfree(raidp[array], M_AR); 3072 raidp[array] = NULL; 3073 goto nvidia_out; 3074 } 3075 raid->magic_0 = meta->magic_1; 3076 raid->magic_1 = meta->magic_2; 3077 raid->format = AR_F_NVIDIA_RAID; 3078 raid->generation = 0; 3079 raid->interleave = meta->stripe_sectors; 3080 raid->width = meta->array_width; 3081 raid->total_disks = meta->total_disks; 3082 raid->total_sectors = meta->total_sectors; 3083 raid->heads = 255; 3084 raid->sectors = 63; 3085 raid->cylinders = raid->total_sectors / (63 * 255); 3086 raid->offset_sectors = 0; 3087 raid->rebuild_lba = meta->rebuild_lba; 3088 raid->lun = array; 3089 raid->status = AR_S_READY; 3090 if (meta->status & NV_S_DEGRADED) 3091 raid->status |= AR_S_DEGRADED; 3092 3093 raid->disks[meta->disk_number].dev = parent; 3094 raid->disks[meta->disk_number].sectors = 3095 raid->total_sectors / raid->width; 3096 raid->disks[meta->disk_number].flags = 3097 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 3098 ars->raid[raid->volume] = raid; 3099 ars->disk_number[raid->volume] = meta->disk_number; 3100 retval = 1; 3101 break; 3102 } 3103 3104 nvidia_out: 3105 kfree(meta, M_AR); 3106 return retval; 3107 } 3108 3109 /* Promise FastTrak Metadata */ 3110 static int 3111 ata_raid_promise_read_meta(device_t dev, struct ar_softc **raidp, int native) 3112 { 3113 struct ata_raid_subdisk *ars = device_get_softc(dev); 3114 device_t parent = device_get_parent(dev); 3115 struct promise_raid_conf *meta; 3116 struct ar_softc *raid; 3117 u_int32_t checksum, *ptr; 3118 int array, count, disk, disksum = 0, retval = 0; 3119 3120 if (!(meta = (struct promise_raid_conf *) 3121 kmalloc(sizeof(struct promise_raid_conf), M_AR, M_WAITOK | M_ZERO))) 3122 return ENOMEM; 3123 3124 if (ata_raid_rw(parent, PROMISE_LBA(parent), 3125 meta, sizeof(struct promise_raid_conf), ATA_R_READ)) { 3126 if (testing || bootverbose) 3127 device_printf(parent, "%s read metadata failed\n", 3128 native ? "FreeBSD" : "Promise"); 3129 goto promise_out; 3130 } 3131 3132 /* check the signature */ 3133 if (native) { 3134 if (strncmp(meta->promise_id, ATA_MAGIC, strlen(ATA_MAGIC))) { 3135 if (testing || bootverbose) 3136 device_printf(parent, "FreeBSD check1 failed\n"); 3137 goto promise_out; 3138 } 3139 } 3140 else { 3141 if (strncmp(meta->promise_id, PR_MAGIC, strlen(PR_MAGIC))) { 3142 if (testing || bootverbose) 3143 device_printf(parent, "Promise check1 failed\n"); 3144 goto promise_out; 3145 } 3146 } 3147 3148 /* check if the checksum is OK */ 3149 for (checksum = 0, ptr = (u_int32_t *)meta, count = 0; count < 511; count++) 3150 checksum += *ptr++; 3151 if (checksum != *ptr) { 3152 if (testing || bootverbose) 3153 device_printf(parent, "%s check2 failed\n", 3154 native ? "FreeBSD" : "Promise"); 3155 goto promise_out; 3156 } 3157 3158 /* check on disk integrity status */ 3159 if (meta->raid.integrity != PR_I_VALID) { 3160 if (testing || bootverbose) 3161 device_printf(parent, "%s check3 failed\n", 3162 native ? "FreeBSD" : "Promise"); 3163 goto promise_out; 3164 } 3165 3166 if (testing || bootverbose) 3167 ata_raid_promise_print_meta(meta); 3168 3169 /* now convert Promise metadata into our generic form */ 3170 for (array = 0; array < MAX_ARRAYS; array++) { 3171 if (!raidp[array]) { 3172 raidp[array] = 3173 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3174 M_WAITOK | M_ZERO); 3175 if (!raidp[array]) { 3176 device_printf(parent, "failed to allocate metadata storage\n"); 3177 goto promise_out; 3178 } 3179 } 3180 raid = raidp[array]; 3181 if (raid->format && 3182 (raid->format != (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID))) 3183 continue; 3184 3185 if ((raid->format == (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID))&& 3186 !(meta->raid.magic_1 == (raid->magic_1))) 3187 continue; 3188 3189 /* update our knowledge about the array config based on generation */ 3190 if (!meta->raid.generation || meta->raid.generation > raid->generation){ 3191 switch (meta->raid.type) { 3192 case PR_T_SPAN: 3193 raid->type = AR_T_SPAN; 3194 break; 3195 3196 case PR_T_JBOD: 3197 raid->type = AR_T_JBOD; 3198 break; 3199 3200 case PR_T_RAID0: 3201 raid->type = AR_T_RAID0; 3202 break; 3203 3204 case PR_T_RAID1: 3205 raid->type = AR_T_RAID1; 3206 if (meta->raid.array_width > 1) 3207 raid->type = AR_T_RAID01; 3208 break; 3209 3210 case PR_T_RAID5: 3211 raid->type = AR_T_RAID5; 3212 break; 3213 3214 default: 3215 device_printf(parent, "%s unknown RAID type 0x%02x\n", 3216 native ? "FreeBSD" : "Promise", meta->raid.type); 3217 kfree(raidp[array], M_AR); 3218 raidp[array] = NULL; 3219 goto promise_out; 3220 } 3221 raid->magic_1 = meta->raid.magic_1; 3222 raid->format = (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID); 3223 raid->generation = meta->raid.generation; 3224 raid->interleave = 1 << meta->raid.stripe_shift; 3225 raid->width = meta->raid.array_width; 3226 raid->total_disks = meta->raid.total_disks; 3227 raid->heads = meta->raid.heads + 1; 3228 raid->sectors = meta->raid.sectors; 3229 raid->cylinders = meta->raid.cylinders + 1; 3230 raid->total_sectors = meta->raid.total_sectors; 3231 raid->offset_sectors = 0; 3232 raid->rebuild_lba = meta->raid.rebuild_lba; 3233 raid->lun = array; 3234 if ((meta->raid.status & 3235 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY)) == 3236 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY)) { 3237 raid->status |= AR_S_READY; 3238 if (meta->raid.status & PR_S_DEGRADED) 3239 raid->status |= AR_S_DEGRADED; 3240 } 3241 else 3242 raid->status &= ~AR_S_READY; 3243 3244 /* convert disk flags to our internal types */ 3245 for (disk = 0; disk < meta->raid.total_disks; disk++) { 3246 raid->disks[disk].dev = NULL; 3247 raid->disks[disk].flags = 0; 3248 *((u_int64_t *)(raid->disks[disk].serial)) = 3249 meta->raid.disk[disk].magic_0; 3250 disksum += meta->raid.disk[disk].flags; 3251 if (meta->raid.disk[disk].flags & PR_F_ONLINE) 3252 raid->disks[disk].flags |= AR_DF_ONLINE; 3253 if (meta->raid.disk[disk].flags & PR_F_ASSIGNED) 3254 raid->disks[disk].flags |= AR_DF_ASSIGNED; 3255 if (meta->raid.disk[disk].flags & PR_F_SPARE) { 3256 raid->disks[disk].flags &= ~(AR_DF_ONLINE | AR_DF_ASSIGNED); 3257 raid->disks[disk].flags |= AR_DF_SPARE; 3258 } 3259 if (meta->raid.disk[disk].flags & (PR_F_REDIR | PR_F_DOWN)) 3260 raid->disks[disk].flags &= ~AR_DF_ONLINE; 3261 } 3262 if (!disksum) { 3263 device_printf(parent, "%s subdisks has no flags\n", 3264 native ? "FreeBSD" : "Promise"); 3265 kfree(raidp[array], M_AR); 3266 raidp[array] = NULL; 3267 goto promise_out; 3268 } 3269 } 3270 if (meta->raid.generation >= raid->generation) { 3271 int disk_number = meta->raid.disk_number; 3272 3273 if (raid->disks[disk_number].flags && (meta->magic_0 == 3274 *((u_int64_t *)(raid->disks[disk_number].serial)))) { 3275 raid->disks[disk_number].dev = parent; 3276 raid->disks[disk_number].flags |= AR_DF_PRESENT; 3277 raid->disks[disk_number].sectors = meta->raid.disk_sectors; 3278 if ((raid->disks[disk_number].flags & 3279 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE)) == 3280 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE)) { 3281 ars->raid[raid->volume] = raid; 3282 ars->disk_number[raid->volume] = disk_number; 3283 retval = 1; 3284 } 3285 } 3286 } 3287 break; 3288 } 3289 3290 promise_out: 3291 kfree(meta, M_AR); 3292 return retval; 3293 } 3294 3295 static int 3296 ata_raid_promise_write_meta(struct ar_softc *rdp) 3297 { 3298 struct promise_raid_conf *meta; 3299 struct timeval timestamp; 3300 u_int32_t *ckptr; 3301 int count, disk, drive, error = 0; 3302 3303 if (!(meta = (struct promise_raid_conf *) 3304 kmalloc(sizeof(struct promise_raid_conf), M_AR, M_WAITOK))) { 3305 kprintf("ar%d: failed to allocate metadata storage\n", rdp->lun); 3306 return ENOMEM; 3307 } 3308 3309 rdp->generation++; 3310 microtime(×tamp); 3311 3312 for (disk = 0; disk < rdp->total_disks; disk++) { 3313 for (count = 0; count < sizeof(struct promise_raid_conf); count++) 3314 *(((u_int8_t *)meta) + count) = 255 - (count % 256); 3315 meta->dummy_0 = 0x00020000; 3316 meta->raid.disk_number = disk; 3317 3318 if (rdp->disks[disk].dev) { 3319 struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev); 3320 struct ata_channel *ch = 3321 device_get_softc(device_get_parent(rdp->disks[disk].dev)); 3322 3323 meta->raid.channel = ch->unit; 3324 meta->raid.device = ATA_DEV(atadev->unit); 3325 meta->raid.disk_sectors = rdp->disks[disk].sectors; 3326 meta->raid.disk_offset = rdp->offset_sectors; 3327 } 3328 else { 3329 meta->raid.channel = 0; 3330 meta->raid.device = 0; 3331 meta->raid.disk_sectors = 0; 3332 meta->raid.disk_offset = 0; 3333 } 3334 meta->magic_0 = PR_MAGIC0(meta->raid) | timestamp.tv_sec; 3335 meta->magic_1 = timestamp.tv_sec >> 16; 3336 meta->magic_2 = timestamp.tv_sec; 3337 meta->raid.integrity = PR_I_VALID; 3338 meta->raid.magic_0 = meta->magic_0; 3339 meta->raid.rebuild_lba = rdp->rebuild_lba; 3340 meta->raid.generation = rdp->generation; 3341 3342 if (rdp->status & AR_S_READY) { 3343 meta->raid.flags = (PR_F_VALID | PR_F_ASSIGNED | PR_F_ONLINE); 3344 meta->raid.status = 3345 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY); 3346 if (rdp->status & AR_S_DEGRADED) 3347 meta->raid.status |= PR_S_DEGRADED; 3348 else 3349 meta->raid.status |= PR_S_FUNCTIONAL; 3350 } 3351 else { 3352 meta->raid.flags = PR_F_DOWN; 3353 meta->raid.status = 0; 3354 } 3355 3356 switch (rdp->type) { 3357 case AR_T_RAID0: 3358 meta->raid.type = PR_T_RAID0; 3359 break; 3360 case AR_T_RAID1: 3361 meta->raid.type = PR_T_RAID1; 3362 break; 3363 case AR_T_RAID01: 3364 meta->raid.type = PR_T_RAID1; 3365 break; 3366 case AR_T_RAID5: 3367 meta->raid.type = PR_T_RAID5; 3368 break; 3369 case AR_T_SPAN: 3370 meta->raid.type = PR_T_SPAN; 3371 break; 3372 case AR_T_JBOD: 3373 meta->raid.type = PR_T_JBOD; 3374 break; 3375 default: 3376 kfree(meta, M_AR); 3377 return ENODEV; 3378 } 3379 3380 meta->raid.total_disks = rdp->total_disks; 3381 meta->raid.stripe_shift = ffs(rdp->interleave) - 1; 3382 meta->raid.array_width = rdp->width; 3383 meta->raid.array_number = rdp->lun; 3384 meta->raid.total_sectors = rdp->total_sectors; 3385 meta->raid.cylinders = rdp->cylinders - 1; 3386 meta->raid.heads = rdp->heads - 1; 3387 meta->raid.sectors = rdp->sectors; 3388 meta->raid.magic_1 = (u_int64_t)meta->magic_2<<16 | meta->magic_1; 3389 3390 bzero(&meta->raid.disk, 8 * 12); 3391 for (drive = 0; drive < rdp->total_disks; drive++) { 3392 meta->raid.disk[drive].flags = 0; 3393 if (rdp->disks[drive].flags & AR_DF_PRESENT) 3394 meta->raid.disk[drive].flags |= PR_F_VALID; 3395 if (rdp->disks[drive].flags & AR_DF_ASSIGNED) 3396 meta->raid.disk[drive].flags |= PR_F_ASSIGNED; 3397 if (rdp->disks[drive].flags & AR_DF_ONLINE) 3398 meta->raid.disk[drive].flags |= PR_F_ONLINE; 3399 else 3400 if (rdp->disks[drive].flags & AR_DF_PRESENT) 3401 meta->raid.disk[drive].flags = (PR_F_REDIR | PR_F_DOWN); 3402 if (rdp->disks[drive].flags & AR_DF_SPARE) 3403 meta->raid.disk[drive].flags |= PR_F_SPARE; 3404 meta->raid.disk[drive].dummy_0 = 0x0; 3405 if (rdp->disks[drive].dev) { 3406 struct ata_channel *ch = 3407 device_get_softc(device_get_parent(rdp->disks[drive].dev)); 3408 struct ata_device *atadev = 3409 device_get_softc(rdp->disks[drive].dev); 3410 3411 meta->raid.disk[drive].channel = ch->unit; 3412 meta->raid.disk[drive].device = ATA_DEV(atadev->unit); 3413 } 3414 meta->raid.disk[drive].magic_0 = 3415 PR_MAGIC0(meta->raid.disk[drive]) | timestamp.tv_sec; 3416 } 3417 3418 if (rdp->disks[disk].dev) { 3419 if ((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) == 3420 (AR_DF_PRESENT | AR_DF_ONLINE)) { 3421 if (rdp->format == AR_F_FREEBSD_RAID) 3422 bcopy(ATA_MAGIC, meta->promise_id, sizeof(ATA_MAGIC)); 3423 else 3424 bcopy(PR_MAGIC, meta->promise_id, sizeof(PR_MAGIC)); 3425 } 3426 else 3427 bzero(meta->promise_id, sizeof(meta->promise_id)); 3428 meta->checksum = 0; 3429 for (ckptr = (int32_t *)meta, count = 0; count < 511; count++) 3430 meta->checksum += *ckptr++; 3431 if (testing || bootverbose) 3432 ata_raid_promise_print_meta(meta); 3433 if (ata_raid_rw(rdp->disks[disk].dev, 3434 PROMISE_LBA(rdp->disks[disk].dev), 3435 meta, sizeof(struct promise_raid_conf), 3436 ATA_R_WRITE | ATA_R_DIRECT)) { 3437 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 3438 error = EIO; 3439 } 3440 } 3441 } 3442 kfree(meta, M_AR); 3443 return error; 3444 } 3445 3446 /* Silicon Image Medley Metadata */ 3447 static int 3448 ata_raid_sii_read_meta(device_t dev, struct ar_softc **raidp) 3449 { 3450 struct ata_raid_subdisk *ars = device_get_softc(dev); 3451 device_t parent = device_get_parent(dev); 3452 struct sii_raid_conf *meta; 3453 struct ar_softc *raid = NULL; 3454 u_int16_t checksum, *ptr; 3455 int array, count, disk, retval = 0; 3456 3457 if (!(meta = (struct sii_raid_conf *) 3458 kmalloc(sizeof(struct sii_raid_conf), M_AR, M_WAITOK | M_ZERO))) 3459 return ENOMEM; 3460 3461 if (ata_raid_rw(parent, SII_LBA(parent), 3462 meta, sizeof(struct sii_raid_conf), ATA_R_READ)) { 3463 if (testing || bootverbose) 3464 device_printf(parent, "Silicon Image read metadata failed\n"); 3465 goto sii_out; 3466 } 3467 3468 /* check if this is a Silicon Image (Medley) RAID struct */ 3469 for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 160; count++) 3470 checksum += *ptr++; 3471 if (checksum) { 3472 if (testing || bootverbose) 3473 device_printf(parent, "Silicon Image check1 failed\n"); 3474 goto sii_out; 3475 } 3476 3477 for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 256; count++) 3478 checksum += *ptr++; 3479 if (checksum != meta->checksum_1) { 3480 if (testing || bootverbose) 3481 device_printf(parent, "Silicon Image check2 failed\n"); 3482 goto sii_out; 3483 } 3484 3485 /* check verison */ 3486 if (meta->version_major != 0x0002 || 3487 (meta->version_minor != 0x0000 && meta->version_minor != 0x0001)) { 3488 if (testing || bootverbose) 3489 device_printf(parent, "Silicon Image check3 failed\n"); 3490 goto sii_out; 3491 } 3492 3493 if (testing || bootverbose) 3494 ata_raid_sii_print_meta(meta); 3495 3496 /* now convert Silicon Image meta into our generic form */ 3497 for (array = 0; array < MAX_ARRAYS; array++) { 3498 if (!raidp[array]) { 3499 raidp[array] = 3500 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3501 M_WAITOK | M_ZERO); 3502 if (!raidp[array]) { 3503 device_printf(parent, "failed to allocate metadata storage\n"); 3504 goto sii_out; 3505 } 3506 } 3507 raid = raidp[array]; 3508 if (raid->format && (raid->format != AR_F_SII_RAID)) 3509 continue; 3510 3511 if (raid->format == AR_F_SII_RAID && 3512 (raid->magic_0 != *((u_int64_t *)meta->timestamp))) { 3513 continue; 3514 } 3515 3516 /* update our knowledge about the array config based on generation */ 3517 if (!meta->generation || meta->generation > raid->generation) { 3518 switch (meta->type) { 3519 case SII_T_RAID0: 3520 raid->type = AR_T_RAID0; 3521 break; 3522 3523 case SII_T_RAID1: 3524 raid->type = AR_T_RAID1; 3525 break; 3526 3527 case SII_T_RAID01: 3528 raid->type = AR_T_RAID01; 3529 break; 3530 3531 case SII_T_SPARE: 3532 device_printf(parent, "Silicon Image SPARE disk\n"); 3533 kfree(raidp[array], M_AR); 3534 raidp[array] = NULL; 3535 goto sii_out; 3536 3537 default: 3538 device_printf(parent,"Silicon Image unknown RAID type 0x%02x\n", 3539 meta->type); 3540 kfree(raidp[array], M_AR); 3541 raidp[array] = NULL; 3542 goto sii_out; 3543 } 3544 raid->magic_0 = *((u_int64_t *)meta->timestamp); 3545 raid->format = AR_F_SII_RAID; 3546 raid->generation = meta->generation; 3547 raid->interleave = meta->stripe_sectors; 3548 raid->width = (meta->raid0_disks != 0xff) ? meta->raid0_disks : 1; 3549 raid->total_disks = 3550 ((meta->raid0_disks != 0xff) ? meta->raid0_disks : 0) + 3551 ((meta->raid1_disks != 0xff) ? meta->raid1_disks : 0); 3552 raid->total_sectors = meta->total_sectors; 3553 raid->heads = 255; 3554 raid->sectors = 63; 3555 raid->cylinders = raid->total_sectors / (63 * 255); 3556 raid->offset_sectors = 0; 3557 raid->rebuild_lba = meta->rebuild_lba; 3558 raid->lun = array; 3559 strncpy(raid->name, meta->name, 3560 min(sizeof(raid->name), sizeof(meta->name))); 3561 3562 /* clear out any old info */ 3563 if (raid->generation) { 3564 for (disk = 0; disk < raid->total_disks; disk++) { 3565 raid->disks[disk].dev = NULL; 3566 raid->disks[disk].flags = 0; 3567 } 3568 } 3569 } 3570 if (meta->generation >= raid->generation) { 3571 /* XXX SOS add check for the right physical disk by serial# */ 3572 if (meta->status & SII_S_READY) { 3573 int disk_number = (raid->type == AR_T_RAID01) ? 3574 meta->raid1_ident + (meta->raid0_ident << 1) : 3575 meta->disk_number; 3576 3577 raid->disks[disk_number].dev = parent; 3578 raid->disks[disk_number].sectors = 3579 raid->total_sectors / raid->width; 3580 raid->disks[disk_number].flags = 3581 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 3582 ars->raid[raid->volume] = raid; 3583 ars->disk_number[raid->volume] = disk_number; 3584 retval = 1; 3585 } 3586 } 3587 break; 3588 } 3589 3590 sii_out: 3591 kfree(meta, M_AR); 3592 return retval; 3593 } 3594 3595 /* Silicon Integrated Systems Metadata */ 3596 static int 3597 ata_raid_sis_read_meta(device_t dev, struct ar_softc **raidp) 3598 { 3599 struct ata_raid_subdisk *ars = device_get_softc(dev); 3600 device_t parent = device_get_parent(dev); 3601 struct sis_raid_conf *meta; 3602 struct ar_softc *raid = NULL; 3603 int array, disk_number, drive, retval = 0; 3604 3605 if (!(meta = (struct sis_raid_conf *) 3606 kmalloc(sizeof(struct sis_raid_conf), M_AR, M_WAITOK | M_ZERO))) 3607 return ENOMEM; 3608 3609 if (ata_raid_rw(parent, SIS_LBA(parent), 3610 meta, sizeof(struct sis_raid_conf), ATA_R_READ)) { 3611 if (testing || bootverbose) 3612 device_printf(parent, 3613 "Silicon Integrated Systems read metadata failed\n"); 3614 } 3615 3616 /* check for SiS magic */ 3617 if (meta->magic != SIS_MAGIC) { 3618 if (testing || bootverbose) 3619 device_printf(parent, 3620 "Silicon Integrated Systems check1 failed\n"); 3621 goto sis_out; 3622 } 3623 3624 if (testing || bootverbose) 3625 ata_raid_sis_print_meta(meta); 3626 3627 /* now convert SiS meta into our generic form */ 3628 for (array = 0; array < MAX_ARRAYS; array++) { 3629 if (!raidp[array]) { 3630 raidp[array] = 3631 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3632 M_WAITOK | M_ZERO); 3633 if (!raidp[array]) { 3634 device_printf(parent, "failed to allocate metadata storage\n"); 3635 goto sis_out; 3636 } 3637 } 3638 3639 raid = raidp[array]; 3640 if (raid->format && (raid->format != AR_F_SIS_RAID)) 3641 continue; 3642 3643 if ((raid->format == AR_F_SIS_RAID) && 3644 ((raid->magic_0 != meta->controller_pci_id) || 3645 (raid->magic_1 != meta->timestamp))) { 3646 continue; 3647 } 3648 3649 switch (meta->type_total_disks & SIS_T_MASK) { 3650 case SIS_T_JBOD: 3651 raid->type = AR_T_JBOD; 3652 raid->width = (meta->type_total_disks & SIS_D_MASK); 3653 raid->total_sectors += SIS_LBA(parent); 3654 break; 3655 3656 case SIS_T_RAID0: 3657 raid->type = AR_T_RAID0; 3658 raid->width = (meta->type_total_disks & SIS_D_MASK); 3659 if (!raid->total_sectors || 3660 (raid->total_sectors > (raid->width * SIS_LBA(parent)))) 3661 raid->total_sectors = raid->width * SIS_LBA(parent); 3662 break; 3663 3664 case SIS_T_RAID1: 3665 raid->type = AR_T_RAID1; 3666 raid->width = 1; 3667 if (!raid->total_sectors || (raid->total_sectors > SIS_LBA(parent))) 3668 raid->total_sectors = SIS_LBA(parent); 3669 break; 3670 3671 default: 3672 device_printf(parent, "Silicon Integrated Systems " 3673 "unknown RAID type 0x%08x\n", meta->magic); 3674 kfree(raidp[array], M_AR); 3675 raidp[array] = NULL; 3676 goto sis_out; 3677 } 3678 raid->magic_0 = meta->controller_pci_id; 3679 raid->magic_1 = meta->timestamp; 3680 raid->format = AR_F_SIS_RAID; 3681 raid->generation = 0; 3682 raid->interleave = meta->stripe_sectors; 3683 raid->total_disks = (meta->type_total_disks & SIS_D_MASK); 3684 raid->heads = 255; 3685 raid->sectors = 63; 3686 raid->cylinders = raid->total_sectors / (63 * 255); 3687 raid->offset_sectors = 0; 3688 raid->rebuild_lba = 0; 3689 raid->lun = array; 3690 /* XXX SOS if total_disks > 2 this doesn't float */ 3691 if (((meta->disks & SIS_D_MASTER) >> 4) == meta->disk_number) 3692 disk_number = 0; 3693 else 3694 disk_number = 1; 3695 3696 for (drive = 0; drive < raid->total_disks; drive++) { 3697 raid->disks[drive].sectors = raid->total_sectors/raid->width; 3698 if (drive == disk_number) { 3699 raid->disks[disk_number].dev = parent; 3700 raid->disks[disk_number].flags = 3701 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 3702 ars->raid[raid->volume] = raid; 3703 ars->disk_number[raid->volume] = disk_number; 3704 } 3705 } 3706 retval = 1; 3707 break; 3708 } 3709 3710 sis_out: 3711 kfree(meta, M_AR); 3712 return retval; 3713 } 3714 3715 static int 3716 ata_raid_sis_write_meta(struct ar_softc *rdp) 3717 { 3718 struct sis_raid_conf *meta; 3719 struct timeval timestamp; 3720 int disk, error = 0; 3721 3722 if (!(meta = (struct sis_raid_conf *) 3723 kmalloc(sizeof(struct sis_raid_conf), M_AR, M_WAITOK | M_ZERO))) { 3724 kprintf("ar%d: failed to allocate metadata storage\n", rdp->lun); 3725 return ENOMEM; 3726 } 3727 3728 rdp->generation++; 3729 microtime(×tamp); 3730 3731 meta->magic = SIS_MAGIC; 3732 /* XXX SOS if total_disks > 2 this doesn't float */ 3733 for (disk = 0; disk < rdp->total_disks; disk++) { 3734 if (rdp->disks[disk].dev) { 3735 struct ata_channel *ch = 3736 device_get_softc(device_get_parent(rdp->disks[disk].dev)); 3737 struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev); 3738 int disk_number = 1 + ATA_DEV(atadev->unit) + (ch->unit << 1); 3739 3740 meta->disks |= disk_number << ((1 - disk) << 2); 3741 } 3742 } 3743 switch (rdp->type) { 3744 case AR_T_JBOD: 3745 meta->type_total_disks = SIS_T_JBOD; 3746 break; 3747 3748 case AR_T_RAID0: 3749 meta->type_total_disks = SIS_T_RAID0; 3750 break; 3751 3752 case AR_T_RAID1: 3753 meta->type_total_disks = SIS_T_RAID1; 3754 break; 3755 3756 default: 3757 kfree(meta, M_AR); 3758 return ENODEV; 3759 } 3760 meta->type_total_disks |= (rdp->total_disks & SIS_D_MASK); 3761 meta->stripe_sectors = rdp->interleave; 3762 meta->timestamp = timestamp.tv_sec; 3763 3764 for (disk = 0; disk < rdp->total_disks; disk++) { 3765 if (rdp->disks[disk].dev) { 3766 struct ata_channel *ch = 3767 device_get_softc(device_get_parent(rdp->disks[disk].dev)); 3768 struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev); 3769 3770 meta->controller_pci_id = 3771 (pci_get_vendor(GRANDPARENT(rdp->disks[disk].dev)) << 16) | 3772 pci_get_device(GRANDPARENT(rdp->disks[disk].dev)); 3773 bcopy(atadev->param.model, meta->model, sizeof(meta->model)); 3774 3775 /* XXX SOS if total_disks > 2 this may not float */ 3776 meta->disk_number = 1 + ATA_DEV(atadev->unit) + (ch->unit << 1); 3777 3778 if (testing || bootverbose) 3779 ata_raid_sis_print_meta(meta); 3780 3781 if (ata_raid_rw(rdp->disks[disk].dev, 3782 SIS_LBA(rdp->disks[disk].dev), 3783 meta, sizeof(struct sis_raid_conf), 3784 ATA_R_WRITE | ATA_R_DIRECT)) { 3785 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 3786 error = EIO; 3787 } 3788 } 3789 } 3790 kfree(meta, M_AR); 3791 return error; 3792 } 3793 3794 /* VIA Tech V-RAID Metadata */ 3795 static int 3796 ata_raid_via_read_meta(device_t dev, struct ar_softc **raidp) 3797 { 3798 struct ata_raid_subdisk *ars = device_get_softc(dev); 3799 device_t parent = device_get_parent(dev); 3800 struct via_raid_conf *meta; 3801 struct ar_softc *raid = NULL; 3802 u_int8_t checksum, *ptr; 3803 int array, count, disk, retval = 0; 3804 3805 if (!(meta = (struct via_raid_conf *) 3806 kmalloc(sizeof(struct via_raid_conf), M_AR, M_WAITOK | M_ZERO))) 3807 return ENOMEM; 3808 3809 if (ata_raid_rw(parent, VIA_LBA(parent), 3810 meta, sizeof(struct via_raid_conf), ATA_R_READ)) { 3811 if (testing || bootverbose) 3812 device_printf(parent, "VIA read metadata failed\n"); 3813 goto via_out; 3814 } 3815 3816 /* check if this is a VIA RAID struct */ 3817 if (meta->magic != VIA_MAGIC) { 3818 if (testing || bootverbose) 3819 device_printf(parent, "VIA check1 failed\n"); 3820 goto via_out; 3821 } 3822 3823 /* calculate checksum and compare for valid */ 3824 for (checksum = 0, ptr = (u_int8_t *)meta, count = 0; count < 50; count++) 3825 checksum += *ptr++; 3826 if (checksum != meta->checksum) { 3827 if (testing || bootverbose) 3828 device_printf(parent, "VIA check2 failed\n"); 3829 goto via_out; 3830 } 3831 3832 if (testing || bootverbose) 3833 ata_raid_via_print_meta(meta); 3834 3835 /* now convert VIA meta into our generic form */ 3836 for (array = 0; array < MAX_ARRAYS; array++) { 3837 if (!raidp[array]) { 3838 raidp[array] = 3839 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3840 M_WAITOK | M_ZERO); 3841 if (!raidp[array]) { 3842 device_printf(parent, "failed to allocate metadata storage\n"); 3843 goto via_out; 3844 } 3845 } 3846 raid = raidp[array]; 3847 if (raid->format && (raid->format != AR_F_VIA_RAID)) 3848 continue; 3849 3850 if (raid->format == AR_F_VIA_RAID && (raid->magic_0 != meta->disks[0])) 3851 continue; 3852 3853 switch (meta->type & VIA_T_MASK) { 3854 case VIA_T_RAID0: 3855 raid->type = AR_T_RAID0; 3856 raid->width = meta->stripe_layout & VIA_L_DISKS; 3857 if (!raid->total_sectors || 3858 (raid->total_sectors > (raid->width * meta->disk_sectors))) 3859 raid->total_sectors = raid->width * meta->disk_sectors; 3860 break; 3861 3862 case VIA_T_RAID1: 3863 raid->type = AR_T_RAID1; 3864 raid->width = 1; 3865 raid->total_sectors = meta->disk_sectors; 3866 break; 3867 3868 case VIA_T_RAID01: 3869 raid->type = AR_T_RAID01; 3870 raid->width = meta->stripe_layout & VIA_L_DISKS; 3871 if (!raid->total_sectors || 3872 (raid->total_sectors > (raid->width * meta->disk_sectors))) 3873 raid->total_sectors = raid->width * meta->disk_sectors; 3874 break; 3875 3876 case VIA_T_RAID5: 3877 raid->type = AR_T_RAID5; 3878 raid->width = meta->stripe_layout & VIA_L_DISKS; 3879 if (!raid->total_sectors || 3880 (raid->total_sectors > ((raid->width - 1)*meta->disk_sectors))) 3881 raid->total_sectors = (raid->width - 1) * meta->disk_sectors; 3882 break; 3883 3884 case VIA_T_SPAN: 3885 raid->type = AR_T_SPAN; 3886 raid->width = 1; 3887 raid->total_sectors += meta->disk_sectors; 3888 break; 3889 3890 default: 3891 device_printf(parent,"VIA unknown RAID type 0x%02x\n", meta->type); 3892 kfree(raidp[array], M_AR); 3893 raidp[array] = NULL; 3894 goto via_out; 3895 } 3896 raid->magic_0 = meta->disks[0]; 3897 raid->format = AR_F_VIA_RAID; 3898 raid->generation = 0; 3899 raid->interleave = 3900 0x08 << ((meta->stripe_layout & VIA_L_MASK) >> VIA_L_SHIFT); 3901 for (count = 0, disk = 0; disk < 8; disk++) 3902 if (meta->disks[disk]) 3903 count++; 3904 raid->total_disks = count; 3905 raid->heads = 255; 3906 raid->sectors = 63; 3907 raid->cylinders = raid->total_sectors / (63 * 255); 3908 raid->offset_sectors = 0; 3909 raid->rebuild_lba = 0; 3910 raid->lun = array; 3911 3912 for (disk = 0; disk < raid->total_disks; disk++) { 3913 if (meta->disks[disk] == meta->disk_id) { 3914 raid->disks[disk].dev = parent; 3915 bcopy(&meta->disk_id, raid->disks[disk].serial, 3916 sizeof(u_int32_t)); 3917 raid->disks[disk].sectors = meta->disk_sectors; 3918 raid->disks[disk].flags = 3919 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 3920 ars->raid[raid->volume] = raid; 3921 ars->disk_number[raid->volume] = disk; 3922 retval = 1; 3923 break; 3924 } 3925 } 3926 break; 3927 } 3928 3929 via_out: 3930 kfree(meta, M_AR); 3931 return retval; 3932 } 3933 3934 static int 3935 ata_raid_via_write_meta(struct ar_softc *rdp) 3936 { 3937 struct via_raid_conf *meta; 3938 int disk, error = 0; 3939 3940 if (!(meta = (struct via_raid_conf *) 3941 kmalloc(sizeof(struct via_raid_conf), M_AR, M_WAITOK | M_ZERO))) { 3942 kprintf("ar%d: failed to allocate metadata storage\n", rdp->lun); 3943 return ENOMEM; 3944 } 3945 3946 rdp->generation++; 3947 3948 meta->magic = VIA_MAGIC; 3949 meta->dummy_0 = 0x02; 3950 switch (rdp->type) { 3951 case AR_T_SPAN: 3952 meta->type = VIA_T_SPAN; 3953 meta->stripe_layout = (rdp->total_disks & VIA_L_DISKS); 3954 break; 3955 3956 case AR_T_RAID0: 3957 meta->type = VIA_T_RAID0; 3958 meta->stripe_layout = ((rdp->interleave >> 1) & VIA_L_MASK); 3959 meta->stripe_layout |= (rdp->total_disks & VIA_L_DISKS); 3960 break; 3961 3962 case AR_T_RAID1: 3963 meta->type = VIA_T_RAID1; 3964 meta->stripe_layout = (rdp->total_disks & VIA_L_DISKS); 3965 break; 3966 3967 case AR_T_RAID5: 3968 meta->type = VIA_T_RAID5; 3969 meta->stripe_layout = ((rdp->interleave >> 1) & VIA_L_MASK); 3970 meta->stripe_layout |= (rdp->total_disks & VIA_L_DISKS); 3971 break; 3972 3973 case AR_T_RAID01: 3974 meta->type = VIA_T_RAID01; 3975 meta->stripe_layout = ((rdp->interleave >> 1) & VIA_L_MASK); 3976 meta->stripe_layout |= (rdp->width & VIA_L_DISKS); 3977 break; 3978 3979 default: 3980 kfree(meta, M_AR); 3981 return ENODEV; 3982 } 3983 meta->type |= VIA_T_BOOTABLE; /* XXX SOS */ 3984 meta->disk_sectors = 3985 rdp->total_sectors / (rdp->width - (rdp->type == AR_RAID5)); 3986 for (disk = 0; disk < rdp->total_disks; disk++) 3987 meta->disks[disk] = (u_int32_t)(uintptr_t)rdp->disks[disk].dev; 3988 3989 for (disk = 0; disk < rdp->total_disks; disk++) { 3990 if (rdp->disks[disk].dev) { 3991 u_int8_t *ptr; 3992 int count; 3993 3994 meta->disk_index = disk * sizeof(u_int32_t); 3995 if (rdp->type == AR_T_RAID01) 3996 meta->disk_index = ((meta->disk_index & 0x08) << 2) | 3997 (meta->disk_index & ~0x08); 3998 meta->disk_id = meta->disks[disk]; 3999 meta->checksum = 0; 4000 for (ptr = (u_int8_t *)meta, count = 0; count < 50; count++) 4001 meta->checksum += *ptr++; 4002 4003 if (testing || bootverbose) 4004 ata_raid_via_print_meta(meta); 4005 4006 if (ata_raid_rw(rdp->disks[disk].dev, 4007 VIA_LBA(rdp->disks[disk].dev), 4008 meta, sizeof(struct via_raid_conf), 4009 ATA_R_WRITE | ATA_R_DIRECT)) { 4010 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 4011 error = EIO; 4012 } 4013 } 4014 } 4015 kfree(meta, M_AR); 4016 return error; 4017 } 4018 4019 static struct ata_request * 4020 ata_raid_init_request(struct ar_softc *rdp, struct bio *bio) 4021 { 4022 struct ata_request *request; 4023 4024 if (!(request = ata_alloc_request())) { 4025 kprintf("FAILURE - out of memory in ata_raid_init_request\n"); 4026 return NULL; 4027 } 4028 request->timeout = 5; 4029 request->retries = 2; 4030 request->callback = ata_raid_done; 4031 request->driver = rdp; 4032 request->bio = bio; 4033 switch (request->bio->bio_buf->b_cmd) { 4034 case BUF_CMD_READ: 4035 request->flags = ATA_R_READ; 4036 break; 4037 case BUF_CMD_WRITE: 4038 request->flags = ATA_R_WRITE; 4039 break; 4040 default: 4041 kprintf("ar%d: FAILURE - unknown BUF operation\n", rdp->lun); 4042 ata_free_request(request); 4043 #if 0 4044 bio->bio_buf->b_flags |= B_ERROR; 4045 bio->bio_buf->b_error = EIO; 4046 biodone(bio); 4047 #endif /* 0 */ 4048 return(NULL); 4049 } 4050 return request; 4051 } 4052 4053 static int 4054 ata_raid_send_request(struct ata_request *request) 4055 { 4056 struct ata_device *atadev = device_get_softc(request->dev); 4057 4058 request->transfersize = min(request->bytecount, atadev->max_iosize); 4059 if (request->flags & ATA_R_READ) { 4060 if (atadev->mode >= ATA_DMA) { 4061 request->flags |= ATA_R_DMA; 4062 request->u.ata.command = ATA_READ_DMA; 4063 } 4064 else if (atadev->max_iosize > DEV_BSIZE) 4065 request->u.ata.command = ATA_READ_MUL; 4066 else 4067 request->u.ata.command = ATA_READ; 4068 } 4069 else if (request->flags & ATA_R_WRITE) { 4070 if (atadev->mode >= ATA_DMA) { 4071 request->flags |= ATA_R_DMA; 4072 request->u.ata.command = ATA_WRITE_DMA; 4073 } 4074 else if (atadev->max_iosize > DEV_BSIZE) 4075 request->u.ata.command = ATA_WRITE_MUL; 4076 else 4077 request->u.ata.command = ATA_WRITE; 4078 } 4079 else { 4080 device_printf(request->dev, "FAILURE - unknown IO operation\n"); 4081 ata_free_request(request); 4082 return EIO; 4083 } 4084 request->flags |= (ATA_R_ORDERED | ATA_R_THREAD); 4085 ata_queue_request(request); 4086 return 0; 4087 } 4088 4089 static int 4090 ata_raid_rw(device_t dev, u_int64_t lba, void *data, u_int bcount, int flags) 4091 { 4092 struct ata_device *atadev = device_get_softc(dev); 4093 struct ata_request *request; 4094 int error; 4095 4096 if (bcount % DEV_BSIZE) { 4097 device_printf(dev, "FAILURE - transfers must be modulo sectorsize\n"); 4098 return ENOMEM; 4099 } 4100 4101 if (!(request = ata_alloc_request())) { 4102 device_printf(dev, "FAILURE - out of memory in ata_raid_rw\n"); 4103 return ENOMEM; 4104 } 4105 4106 /* setup request */ 4107 request->dev = dev; 4108 request->timeout = 10; 4109 request->retries = 0; 4110 request->data = data; 4111 request->bytecount = bcount; 4112 request->transfersize = DEV_BSIZE; 4113 request->u.ata.lba = lba; 4114 request->u.ata.count = request->bytecount / DEV_BSIZE; 4115 request->flags = flags; 4116 4117 if (flags & ATA_R_READ) { 4118 if (atadev->mode >= ATA_DMA) { 4119 request->u.ata.command = ATA_READ_DMA; 4120 request->flags |= ATA_R_DMA; 4121 } 4122 else 4123 request->u.ata.command = ATA_READ; 4124 ata_queue_request(request); 4125 } 4126 else if (flags & ATA_R_WRITE) { 4127 if (atadev->mode >= ATA_DMA) { 4128 request->u.ata.command = ATA_WRITE_DMA; 4129 request->flags |= ATA_R_DMA; 4130 } 4131 else 4132 request->u.ata.command = ATA_WRITE; 4133 ata_queue_request(request); 4134 } 4135 else { 4136 device_printf(dev, "FAILURE - unknown IO operation\n"); 4137 request->result = EIO; 4138 } 4139 error = request->result; 4140 ata_free_request(request); 4141 return error; 4142 } 4143 4144 /* 4145 * module handeling 4146 */ 4147 static int 4148 ata_raid_subdisk_probe(device_t dev) 4149 { 4150 device_quiet(dev); 4151 return 0; 4152 } 4153 4154 static int 4155 ata_raid_subdisk_attach(device_t dev) 4156 { 4157 struct ata_raid_subdisk *ars = device_get_softc(dev); 4158 int volume; 4159 4160 for (volume = 0; volume < MAX_VOLUMES; volume++) { 4161 ars->raid[volume] = NULL; 4162 ars->disk_number[volume] = -1; 4163 } 4164 ata_raid_read_metadata(dev); 4165 return 0; 4166 } 4167 4168 static int 4169 ata_raid_subdisk_detach(device_t dev) 4170 { 4171 struct ata_raid_subdisk *ars = device_get_softc(dev); 4172 int volume; 4173 4174 for (volume = 0; volume < MAX_VOLUMES; volume++) { 4175 if (ars->raid[volume]) { 4176 ars->raid[volume]->disks[ars->disk_number[volume]].flags &= 4177 ~(AR_DF_PRESENT | AR_DF_ONLINE); 4178 ars->raid[volume]->disks[ars->disk_number[volume]].dev = NULL; 4179 ata_raid_config_changed(ars->raid[volume], 1); 4180 ars->raid[volume] = NULL; 4181 ars->disk_number[volume] = -1; 4182 } 4183 } 4184 return 0; 4185 } 4186 4187 static device_method_t ata_raid_sub_methods[] = { 4188 /* device interface */ 4189 DEVMETHOD(device_probe, ata_raid_subdisk_probe), 4190 DEVMETHOD(device_attach, ata_raid_subdisk_attach), 4191 DEVMETHOD(device_detach, ata_raid_subdisk_detach), 4192 { 0, 0 } 4193 }; 4194 4195 static driver_t ata_raid_sub_driver = { 4196 "subdisk", 4197 ata_raid_sub_methods, 4198 sizeof(struct ata_raid_subdisk) 4199 }; 4200 4201 DRIVER_MODULE(subdisk, ad, ata_raid_sub_driver, ata_raid_sub_devclass, NULL, NULL); 4202 4203 static int 4204 ata_raid_module_event_handler(module_t mod, int what, void *arg) 4205 { 4206 int i; 4207 4208 switch (what) { 4209 case MOD_LOAD: 4210 if (testing || bootverbose) 4211 kprintf("ATA PseudoRAID loaded\n"); 4212 #if 0 4213 /* setup table to hold metadata for all ATA PseudoRAID arrays */ 4214 ata_raid_arrays = kmalloc(sizeof(struct ar_soft *) * MAX_ARRAYS, 4215 M_AR, M_WAITOK | M_ZERO); 4216 if (!ata_raid_arrays) { 4217 kprintf("ataraid: no memory for metadata storage\n"); 4218 return ENOMEM; 4219 } 4220 #endif 4221 /* attach found PseudoRAID arrays */ 4222 for (i = 0; i < MAX_ARRAYS; i++) { 4223 struct ar_softc *rdp = ata_raid_arrays[i]; 4224 4225 if (!rdp || !rdp->format) 4226 continue; 4227 if (testing || bootverbose) 4228 ata_raid_print_meta(rdp); 4229 ata_raid_attach(rdp, 0); 4230 } 4231 ata_raid_ioctl_func = ata_raid_ioctl; 4232 return 0; 4233 4234 case MOD_UNLOAD: 4235 /* detach found PseudoRAID arrays */ 4236 for (i = 0; i < MAX_ARRAYS; i++) { 4237 struct ar_softc *rdp = ata_raid_arrays[i]; 4238 4239 if (!rdp || !rdp->status) 4240 continue; 4241 disk_destroy(&rdp->disk); 4242 } 4243 if (testing || bootverbose) 4244 kprintf("ATA PseudoRAID unloaded\n"); 4245 #if 0 4246 kfree(ata_raid_arrays, M_AR); 4247 #endif 4248 ata_raid_ioctl_func = NULL; 4249 return 0; 4250 4251 default: 4252 return EOPNOTSUPP; 4253 } 4254 } 4255 4256 static moduledata_t ata_raid_moduledata = 4257 { "ataraid", ata_raid_module_event_handler, NULL }; 4258 DECLARE_MODULE(ata, ata_raid_moduledata, SI_SUB_RAID, SI_ORDER_FIRST); 4259 MODULE_VERSION(ataraid, 1); 4260 MODULE_DEPEND(ataraid, ata, 1, 1, 1); 4261 MODULE_DEPEND(ataraid, ad, 1, 1, 1); 4262 4263 static char * 4264 ata_raid_format(struct ar_softc *rdp) 4265 { 4266 switch (rdp->format) { 4267 case AR_F_FREEBSD_RAID: return "FreeBSD PseudoRAID"; 4268 case AR_F_ADAPTEC_RAID: return "Adaptec HostRAID"; 4269 case AR_F_HPTV2_RAID: return "HighPoint v2 RocketRAID"; 4270 case AR_F_HPTV3_RAID: return "HighPoint v3 RocketRAID"; 4271 case AR_F_INTEL_RAID: return "Intel MatrixRAID"; 4272 case AR_F_ITE_RAID: return "Integrated Technology Express"; 4273 case AR_F_JMICRON_RAID: return "JMicron Technology Corp"; 4274 case AR_F_LSIV2_RAID: return "LSILogic v2 MegaRAID"; 4275 case AR_F_LSIV3_RAID: return "LSILogic v3 MegaRAID"; 4276 case AR_F_NVIDIA_RAID: return "nVidia MediaShield"; 4277 case AR_F_PROMISE_RAID: return "Promise Fasttrak"; 4278 case AR_F_SII_RAID: return "Silicon Image Medley"; 4279 case AR_F_SIS_RAID: return "Silicon Integrated Systems"; 4280 case AR_F_VIA_RAID: return "VIA Tech V-RAID"; 4281 default: return "UNKNOWN"; 4282 } 4283 } 4284 4285 static char * 4286 ata_raid_type(struct ar_softc *rdp) 4287 { 4288 switch (rdp->type) { 4289 case AR_T_JBOD: return "JBOD"; 4290 case AR_T_SPAN: return "SPAN"; 4291 case AR_T_RAID0: return "RAID0"; 4292 case AR_T_RAID1: return "RAID1"; 4293 case AR_T_RAID3: return "RAID3"; 4294 case AR_T_RAID4: return "RAID4"; 4295 case AR_T_RAID5: return "RAID5"; 4296 case AR_T_RAID01: return "RAID0+1"; 4297 default: return "UNKNOWN"; 4298 } 4299 } 4300 4301 static char * 4302 ata_raid_flags(struct ar_softc *rdp) 4303 { 4304 switch (rdp->status & (AR_S_READY | AR_S_DEGRADED | AR_S_REBUILDING)) { 4305 case AR_S_READY: return "READY"; 4306 case AR_S_READY | AR_S_DEGRADED: return "DEGRADED"; 4307 case AR_S_READY | AR_S_REBUILDING: 4308 case AR_S_READY | AR_S_DEGRADED | AR_S_REBUILDING: return "REBUILDING"; 4309 default: return "BROKEN"; 4310 } 4311 } 4312 4313 /* debugging gunk */ 4314 static void 4315 ata_raid_print_meta(struct ar_softc *raid) 4316 { 4317 int i; 4318 4319 kprintf("********** ATA PseudoRAID ar%d Metadata **********\n", raid->lun); 4320 kprintf("=================================================\n"); 4321 kprintf("format %s\n", ata_raid_format(raid)); 4322 kprintf("type %s\n", ata_raid_type(raid)); 4323 kprintf("flags 0x%02x %b\n", raid->status, raid->status, 4324 "\20\3REBUILDING\2DEGRADED\1READY\n"); 4325 kprintf("magic_0 0x%016jx\n", raid->magic_0); 4326 kprintf("magic_1 0x%016jx\n",raid->magic_1); 4327 kprintf("generation %u\n", raid->generation); 4328 kprintf("total_sectors %ju\n", raid->total_sectors); 4329 kprintf("offset_sectors %ju\n", raid->offset_sectors); 4330 kprintf("heads %u\n", raid->heads); 4331 kprintf("sectors %u\n", raid->sectors); 4332 kprintf("cylinders %u\n", raid->cylinders); 4333 kprintf("width %u\n", raid->width); 4334 kprintf("interleave %u\n", raid->interleave); 4335 kprintf("total_disks %u\n", raid->total_disks); 4336 for (i = 0; i < raid->total_disks; i++) { 4337 kprintf(" disk %d: flags = 0x%02x %b\n", i, raid->disks[i].flags, 4338 raid->disks[i].flags, "\20\4ONLINE\3SPARE\2ASSIGNED\1PRESENT\n"); 4339 if (raid->disks[i].dev) { 4340 kprintf(" "); 4341 device_printf(raid->disks[i].dev, " sectors %jd\n", 4342 raid->disks[i].sectors); 4343 } 4344 } 4345 kprintf("=================================================\n"); 4346 } 4347 4348 static char * 4349 ata_raid_adaptec_type(int type) 4350 { 4351 static char buffer[16]; 4352 4353 switch (type) { 4354 case ADP_T_RAID0: return "RAID0"; 4355 case ADP_T_RAID1: return "RAID1"; 4356 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4357 return buffer; 4358 } 4359 } 4360 4361 static void 4362 ata_raid_adaptec_print_meta(struct adaptec_raid_conf *meta) 4363 { 4364 int i; 4365 4366 kprintf("********* ATA Adaptec HostRAID Metadata *********\n"); 4367 kprintf("magic_0 <0x%08x>\n", be32toh(meta->magic_0)); 4368 kprintf("generation 0x%08x\n", be32toh(meta->generation)); 4369 kprintf("dummy_0 0x%04x\n", be16toh(meta->dummy_0)); 4370 kprintf("total_configs %u\n", be16toh(meta->total_configs)); 4371 kprintf("dummy_1 0x%04x\n", be16toh(meta->dummy_1)); 4372 kprintf("checksum 0x%04x\n", be16toh(meta->checksum)); 4373 kprintf("dummy_2 0x%08x\n", be32toh(meta->dummy_2)); 4374 kprintf("dummy_3 0x%08x\n", be32toh(meta->dummy_3)); 4375 kprintf("flags 0x%08x\n", be32toh(meta->flags)); 4376 kprintf("timestamp 0x%08x\n", be32toh(meta->timestamp)); 4377 kprintf("dummy_4 0x%08x 0x%08x 0x%08x 0x%08x\n", 4378 be32toh(meta->dummy_4[0]), be32toh(meta->dummy_4[1]), 4379 be32toh(meta->dummy_4[2]), be32toh(meta->dummy_4[3])); 4380 kprintf("dummy_5 0x%08x 0x%08x 0x%08x 0x%08x\n", 4381 be32toh(meta->dummy_5[0]), be32toh(meta->dummy_5[1]), 4382 be32toh(meta->dummy_5[2]), be32toh(meta->dummy_5[3])); 4383 4384 for (i = 0; i < be16toh(meta->total_configs); i++) { 4385 kprintf(" %d total_disks %u\n", i, 4386 be16toh(meta->configs[i].disk_number)); 4387 kprintf(" %d generation %u\n", i, 4388 be16toh(meta->configs[i].generation)); 4389 kprintf(" %d magic_0 0x%08x\n", i, 4390 be32toh(meta->configs[i].magic_0)); 4391 kprintf(" %d dummy_0 0x%02x\n", i, meta->configs[i].dummy_0); 4392 kprintf(" %d type %s\n", i, 4393 ata_raid_adaptec_type(meta->configs[i].type)); 4394 kprintf(" %d dummy_1 0x%02x\n", i, meta->configs[i].dummy_1); 4395 kprintf(" %d flags %d\n", i, 4396 be32toh(meta->configs[i].flags)); 4397 kprintf(" %d dummy_2 0x%02x\n", i, meta->configs[i].dummy_2); 4398 kprintf(" %d dummy_3 0x%02x\n", i, meta->configs[i].dummy_3); 4399 kprintf(" %d dummy_4 0x%02x\n", i, meta->configs[i].dummy_4); 4400 kprintf(" %d dummy_5 0x%02x\n", i, meta->configs[i].dummy_5); 4401 kprintf(" %d disk_number %u\n", i, 4402 be32toh(meta->configs[i].disk_number)); 4403 kprintf(" %d dummy_6 0x%08x\n", i, 4404 be32toh(meta->configs[i].dummy_6)); 4405 kprintf(" %d sectors %u\n", i, 4406 be32toh(meta->configs[i].sectors)); 4407 kprintf(" %d stripe_shift %u\n", i, 4408 be16toh(meta->configs[i].stripe_shift)); 4409 kprintf(" %d dummy_7 0x%08x\n", i, 4410 be32toh(meta->configs[i].dummy_7)); 4411 kprintf(" %d dummy_8 0x%08x 0x%08x 0x%08x 0x%08x\n", i, 4412 be32toh(meta->configs[i].dummy_8[0]), 4413 be32toh(meta->configs[i].dummy_8[1]), 4414 be32toh(meta->configs[i].dummy_8[2]), 4415 be32toh(meta->configs[i].dummy_8[3])); 4416 kprintf(" %d name <%s>\n", i, meta->configs[i].name); 4417 } 4418 kprintf("magic_1 <0x%08x>\n", be32toh(meta->magic_1)); 4419 kprintf("magic_2 <0x%08x>\n", be32toh(meta->magic_2)); 4420 kprintf("magic_3 <0x%08x>\n", be32toh(meta->magic_3)); 4421 kprintf("magic_4 <0x%08x>\n", be32toh(meta->magic_4)); 4422 kprintf("=================================================\n"); 4423 } 4424 4425 static char * 4426 ata_raid_hptv2_type(int type) 4427 { 4428 static char buffer[16]; 4429 4430 switch (type) { 4431 case HPTV2_T_RAID0: return "RAID0"; 4432 case HPTV2_T_RAID1: return "RAID1"; 4433 case HPTV2_T_RAID01_RAID0: return "RAID01_RAID0"; 4434 case HPTV2_T_SPAN: return "SPAN"; 4435 case HPTV2_T_RAID_3: return "RAID3"; 4436 case HPTV2_T_RAID_5: return "RAID5"; 4437 case HPTV2_T_JBOD: return "JBOD"; 4438 case HPTV2_T_RAID01_RAID1: return "RAID01_RAID1"; 4439 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4440 return buffer; 4441 } 4442 } 4443 4444 static void 4445 ata_raid_hptv2_print_meta(struct hptv2_raid_conf *meta) 4446 { 4447 int i; 4448 4449 kprintf("****** ATA Highpoint V2 RocketRAID Metadata *****\n"); 4450 kprintf("magic 0x%08x\n", meta->magic); 4451 kprintf("magic_0 0x%08x\n", meta->magic_0); 4452 kprintf("magic_1 0x%08x\n", meta->magic_1); 4453 kprintf("order 0x%08x\n", meta->order); 4454 kprintf("array_width %u\n", meta->array_width); 4455 kprintf("stripe_shift %u\n", meta->stripe_shift); 4456 kprintf("type %s\n", ata_raid_hptv2_type(meta->type)); 4457 kprintf("disk_number %u\n", meta->disk_number); 4458 kprintf("total_sectors %u\n", meta->total_sectors); 4459 kprintf("disk_mode 0x%08x\n", meta->disk_mode); 4460 kprintf("boot_mode 0x%08x\n", meta->boot_mode); 4461 kprintf("boot_disk 0x%02x\n", meta->boot_disk); 4462 kprintf("boot_protect 0x%02x\n", meta->boot_protect); 4463 kprintf("log_entries 0x%02x\n", meta->error_log_entries); 4464 kprintf("log_index 0x%02x\n", meta->error_log_index); 4465 if (meta->error_log_entries) { 4466 kprintf(" timestamp reason disk status sectors lba\n"); 4467 for (i = meta->error_log_index; 4468 i < meta->error_log_index + meta->error_log_entries; i++) 4469 kprintf(" 0x%08x 0x%02x 0x%02x 0x%02x 0x%02x 0x%08x\n", 4470 meta->errorlog[i%32].timestamp, 4471 meta->errorlog[i%32].reason, 4472 meta->errorlog[i%32].disk, meta->errorlog[i%32].status, 4473 meta->errorlog[i%32].sectors, meta->errorlog[i%32].lba); 4474 } 4475 kprintf("rebuild_lba 0x%08x\n", meta->rebuild_lba); 4476 kprintf("dummy_1 0x%02x\n", meta->dummy_1); 4477 kprintf("name_1 <%.15s>\n", meta->name_1); 4478 kprintf("dummy_2 0x%02x\n", meta->dummy_2); 4479 kprintf("name_2 <%.15s>\n", meta->name_2); 4480 kprintf("=================================================\n"); 4481 } 4482 4483 static char * 4484 ata_raid_hptv3_type(int type) 4485 { 4486 static char buffer[16]; 4487 4488 switch (type) { 4489 case HPTV3_T_SPARE: return "SPARE"; 4490 case HPTV3_T_JBOD: return "JBOD"; 4491 case HPTV3_T_SPAN: return "SPAN"; 4492 case HPTV3_T_RAID0: return "RAID0"; 4493 case HPTV3_T_RAID1: return "RAID1"; 4494 case HPTV3_T_RAID3: return "RAID3"; 4495 case HPTV3_T_RAID5: return "RAID5"; 4496 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4497 return buffer; 4498 } 4499 } 4500 4501 static void 4502 ata_raid_hptv3_print_meta(struct hptv3_raid_conf *meta) 4503 { 4504 int i; 4505 4506 kprintf("****** ATA Highpoint V3 RocketRAID Metadata *****\n"); 4507 kprintf("magic 0x%08x\n", meta->magic); 4508 kprintf("magic_0 0x%08x\n", meta->magic_0); 4509 kprintf("checksum_0 0x%02x\n", meta->checksum_0); 4510 kprintf("mode 0x%02x\n", meta->mode); 4511 kprintf("user_mode 0x%02x\n", meta->user_mode); 4512 kprintf("config_entries 0x%02x\n", meta->config_entries); 4513 for (i = 0; i < meta->config_entries; i++) { 4514 kprintf("config %d:\n", i); 4515 kprintf(" total_sectors %ju\n", 4516 meta->configs[0].total_sectors + 4517 ((u_int64_t)meta->configs_high[0].total_sectors << 32)); 4518 kprintf(" type %s\n", 4519 ata_raid_hptv3_type(meta->configs[i].type)); 4520 kprintf(" total_disks %u\n", meta->configs[i].total_disks); 4521 kprintf(" disk_number %u\n", meta->configs[i].disk_number); 4522 kprintf(" stripe_shift %u\n", meta->configs[i].stripe_shift); 4523 kprintf(" status %b\n", meta->configs[i].status, 4524 "\20\2RAID5\1NEED_REBUILD\n"); 4525 kprintf(" critical_disks %u\n", meta->configs[i].critical_disks); 4526 kprintf(" rebuild_lba %ju\n", 4527 meta->configs_high[0].rebuild_lba + 4528 ((u_int64_t)meta->configs_high[0].rebuild_lba << 32)); 4529 } 4530 kprintf("name <%.16s>\n", meta->name); 4531 kprintf("timestamp 0x%08x\n", meta->timestamp); 4532 kprintf("description <%.16s>\n", meta->description); 4533 kprintf("creator <%.16s>\n", meta->creator); 4534 kprintf("checksum_1 0x%02x\n", meta->checksum_1); 4535 kprintf("dummy_0 0x%02x\n", meta->dummy_0); 4536 kprintf("dummy_1 0x%02x\n", meta->dummy_1); 4537 kprintf("flags %b\n", meta->flags, 4538 "\20\4RCACHE\3WCACHE\2NCQ\1TCQ\n"); 4539 kprintf("=================================================\n"); 4540 } 4541 4542 static char * 4543 ata_raid_intel_type(int type) 4544 { 4545 static char buffer[16]; 4546 4547 switch (type) { 4548 case INTEL_T_RAID0: return "RAID0"; 4549 case INTEL_T_RAID1: return "RAID1"; 4550 case INTEL_T_RAID5: return "RAID5"; 4551 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4552 return buffer; 4553 } 4554 } 4555 4556 static void 4557 ata_raid_intel_print_meta(struct intel_raid_conf *meta) 4558 { 4559 struct intel_raid_mapping *map; 4560 int i, j; 4561 4562 kprintf("********* ATA Intel MatrixRAID Metadata *********\n"); 4563 kprintf("intel_id <%.24s>\n", meta->intel_id); 4564 kprintf("version <%.6s>\n", meta->version); 4565 kprintf("checksum 0x%08x\n", meta->checksum); 4566 kprintf("config_size 0x%08x\n", meta->config_size); 4567 kprintf("config_id 0x%08x\n", meta->config_id); 4568 kprintf("generation 0x%08x\n", meta->generation); 4569 kprintf("total_disks %u\n", meta->total_disks); 4570 kprintf("total_volumes %u\n", meta->total_volumes); 4571 kprintf("DISK# serial disk_sectors disk_id flags\n"); 4572 for (i = 0; i < meta->total_disks; i++ ) { 4573 kprintf(" %d <%.16s> %u 0x%08x 0x%08x\n", i, 4574 meta->disk[i].serial, meta->disk[i].sectors, 4575 meta->disk[i].id, meta->disk[i].flags); 4576 } 4577 map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks]; 4578 for (j = 0; j < meta->total_volumes; j++) { 4579 kprintf("name %.16s\n", map->name); 4580 kprintf("total_sectors %ju\n", map->total_sectors); 4581 kprintf("state %u\n", map->state); 4582 kprintf("reserved %u\n", map->reserved); 4583 kprintf("offset %u\n", map->offset); 4584 kprintf("disk_sectors %u\n", map->disk_sectors); 4585 kprintf("stripe_count %u\n", map->stripe_count); 4586 kprintf("stripe_sectors %u\n", map->stripe_sectors); 4587 kprintf("status %u\n", map->status); 4588 kprintf("type %s\n", ata_raid_intel_type(map->type)); 4589 kprintf("total_disks %u\n", map->total_disks); 4590 kprintf("magic[0] 0x%02x\n", map->magic[0]); 4591 kprintf("magic[1] 0x%02x\n", map->magic[1]); 4592 kprintf("magic[2] 0x%02x\n", map->magic[2]); 4593 for (i = 0; i < map->total_disks; i++ ) { 4594 kprintf(" disk %d at disk_idx 0x%08x\n", i, map->disk_idx[i]); 4595 } 4596 map = (struct intel_raid_mapping *)&map->disk_idx[map->total_disks]; 4597 } 4598 kprintf("=================================================\n"); 4599 } 4600 4601 static char * 4602 ata_raid_ite_type(int type) 4603 { 4604 static char buffer[16]; 4605 4606 switch (type) { 4607 case ITE_T_RAID0: return "RAID0"; 4608 case ITE_T_RAID1: return "RAID1"; 4609 case ITE_T_RAID01: return "RAID0+1"; 4610 case ITE_T_SPAN: return "SPAN"; 4611 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4612 return buffer; 4613 } 4614 } 4615 4616 static void 4617 ata_raid_ite_print_meta(struct ite_raid_conf *meta) 4618 { 4619 kprintf("*** ATA Integrated Technology Express Metadata **\n"); 4620 kprintf("ite_id <%.40s>\n", meta->ite_id); 4621 kprintf("timestamp_0 %04x/%02x/%02x %02x:%02x:%02x.%02x\n", 4622 *((u_int16_t *)meta->timestamp_0), meta->timestamp_0[2], 4623 meta->timestamp_0[3], meta->timestamp_0[5], meta->timestamp_0[4], 4624 meta->timestamp_0[7], meta->timestamp_0[6]); 4625 kprintf("total_sectors %jd\n", meta->total_sectors); 4626 kprintf("type %s\n", ata_raid_ite_type(meta->type)); 4627 kprintf("stripe_1kblocks %u\n", meta->stripe_1kblocks); 4628 kprintf("timestamp_1 %04x/%02x/%02x %02x:%02x:%02x.%02x\n", 4629 *((u_int16_t *)meta->timestamp_1), meta->timestamp_1[2], 4630 meta->timestamp_1[3], meta->timestamp_1[5], meta->timestamp_1[4], 4631 meta->timestamp_1[7], meta->timestamp_1[6]); 4632 kprintf("stripe_sectors %u\n", meta->stripe_sectors); 4633 kprintf("array_width %u\n", meta->array_width); 4634 kprintf("disk_number %u\n", meta->disk_number); 4635 kprintf("disk_sectors %u\n", meta->disk_sectors); 4636 kprintf("=================================================\n"); 4637 } 4638 4639 static char * 4640 ata_raid_jmicron_type(int type) 4641 { 4642 static char buffer[16]; 4643 4644 switch (type) { 4645 case JM_T_RAID0: return "RAID0"; 4646 case JM_T_RAID1: return "RAID1"; 4647 case JM_T_RAID01: return "RAID0+1"; 4648 case JM_T_JBOD: return "JBOD"; 4649 case JM_T_RAID5: return "RAID5"; 4650 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4651 return buffer; 4652 } 4653 } 4654 4655 static void 4656 ata_raid_jmicron_print_meta(struct jmicron_raid_conf *meta) 4657 { 4658 int i; 4659 4660 kprintf("***** ATA JMicron Technology Corp Metadata ******\n"); 4661 kprintf("signature %.2s\n", meta->signature); 4662 kprintf("version 0x%04x\n", meta->version); 4663 kprintf("checksum 0x%04x\n", meta->checksum); 4664 kprintf("disk_id 0x%08x\n", meta->disk_id); 4665 kprintf("offset 0x%08x\n", meta->offset); 4666 kprintf("disk_sectors_low 0x%08x\n", meta->disk_sectors_low); 4667 kprintf("disk_sectors_high 0x%08x\n", meta->disk_sectors_high); 4668 kprintf("name %.16s\n", meta->name); 4669 kprintf("type %s\n", ata_raid_jmicron_type(meta->type)); 4670 kprintf("stripe_shift %d\n", meta->stripe_shift); 4671 kprintf("flags 0x%04x\n", meta->flags); 4672 kprintf("spare:\n"); 4673 for (i=0; i < 2 && meta->spare[i]; i++) 4674 kprintf(" %d 0x%08x\n", i, meta->spare[i]); 4675 kprintf("disks:\n"); 4676 for (i=0; i < 8 && meta->disks[i]; i++) 4677 kprintf(" %d 0x%08x\n", i, meta->disks[i]); 4678 kprintf("=================================================\n"); 4679 } 4680 4681 static char * 4682 ata_raid_lsiv2_type(int type) 4683 { 4684 static char buffer[16]; 4685 4686 switch (type) { 4687 case LSIV2_T_RAID0: return "RAID0"; 4688 case LSIV2_T_RAID1: return "RAID1"; 4689 case LSIV2_T_SPARE: return "SPARE"; 4690 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4691 return buffer; 4692 } 4693 } 4694 4695 static void 4696 ata_raid_lsiv2_print_meta(struct lsiv2_raid_conf *meta) 4697 { 4698 int i; 4699 4700 kprintf("******* ATA LSILogic V2 MegaRAID Metadata *******\n"); 4701 kprintf("lsi_id <%s>\n", meta->lsi_id); 4702 kprintf("dummy_0 0x%02x\n", meta->dummy_0); 4703 kprintf("flags 0x%02x\n", meta->flags); 4704 kprintf("version 0x%04x\n", meta->version); 4705 kprintf("config_entries 0x%02x\n", meta->config_entries); 4706 kprintf("raid_count 0x%02x\n", meta->raid_count); 4707 kprintf("total_disks 0x%02x\n", meta->total_disks); 4708 kprintf("dummy_1 0x%02x\n", meta->dummy_1); 4709 kprintf("dummy_2 0x%04x\n", meta->dummy_2); 4710 for (i = 0; i < meta->config_entries; i++) { 4711 kprintf(" type %s\n", 4712 ata_raid_lsiv2_type(meta->configs[i].raid.type)); 4713 kprintf(" dummy_0 %02x\n", meta->configs[i].raid.dummy_0); 4714 kprintf(" stripe_sectors %u\n", 4715 meta->configs[i].raid.stripe_sectors); 4716 kprintf(" array_width %u\n", 4717 meta->configs[i].raid.array_width); 4718 kprintf(" disk_count %u\n", meta->configs[i].raid.disk_count); 4719 kprintf(" config_offset %u\n", 4720 meta->configs[i].raid.config_offset); 4721 kprintf(" dummy_1 %u\n", meta->configs[i].raid.dummy_1); 4722 kprintf(" flags %02x\n", meta->configs[i].raid.flags); 4723 kprintf(" total_sectors %u\n", 4724 meta->configs[i].raid.total_sectors); 4725 } 4726 kprintf("disk_number 0x%02x\n", meta->disk_number); 4727 kprintf("raid_number 0x%02x\n", meta->raid_number); 4728 kprintf("timestamp 0x%08x\n", meta->timestamp); 4729 kprintf("=================================================\n"); 4730 } 4731 4732 static char * 4733 ata_raid_lsiv3_type(int type) 4734 { 4735 static char buffer[16]; 4736 4737 switch (type) { 4738 case LSIV3_T_RAID0: return "RAID0"; 4739 case LSIV3_T_RAID1: return "RAID1"; 4740 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4741 return buffer; 4742 } 4743 } 4744 4745 static void 4746 ata_raid_lsiv3_print_meta(struct lsiv3_raid_conf *meta) 4747 { 4748 int i; 4749 4750 kprintf("******* ATA LSILogic V3 MegaRAID Metadata *******\n"); 4751 kprintf("lsi_id <%.6s>\n", meta->lsi_id); 4752 kprintf("dummy_0 0x%04x\n", meta->dummy_0); 4753 kprintf("version 0x%04x\n", meta->version); 4754 kprintf("dummy_0 0x%04x\n", meta->dummy_1); 4755 kprintf("RAID configs:\n"); 4756 for (i = 0; i < 8; i++) { 4757 if (meta->raid[i].total_disks) { 4758 kprintf("%02d stripe_pages %u\n", i, 4759 meta->raid[i].stripe_pages); 4760 kprintf("%02d type %s\n", i, 4761 ata_raid_lsiv3_type(meta->raid[i].type)); 4762 kprintf("%02d total_disks %u\n", i, 4763 meta->raid[i].total_disks); 4764 kprintf("%02d array_width %u\n", i, 4765 meta->raid[i].array_width); 4766 kprintf("%02d sectors %u\n", i, meta->raid[i].sectors); 4767 kprintf("%02d offset %u\n", i, meta->raid[i].offset); 4768 kprintf("%02d device 0x%02x\n", i, 4769 meta->raid[i].device); 4770 } 4771 } 4772 kprintf("DISK configs:\n"); 4773 for (i = 0; i < 6; i++) { 4774 if (meta->disk[i].disk_sectors) { 4775 kprintf("%02d disk_sectors %u\n", i, 4776 meta->disk[i].disk_sectors); 4777 kprintf("%02d flags 0x%02x\n", i, meta->disk[i].flags); 4778 } 4779 } 4780 kprintf("device 0x%02x\n", meta->device); 4781 kprintf("timestamp 0x%08x\n", meta->timestamp); 4782 kprintf("checksum_1 0x%02x\n", meta->checksum_1); 4783 kprintf("=================================================\n"); 4784 } 4785 4786 static char * 4787 ata_raid_nvidia_type(int type) 4788 { 4789 static char buffer[16]; 4790 4791 switch (type) { 4792 case NV_T_SPAN: return "SPAN"; 4793 case NV_T_RAID0: return "RAID0"; 4794 case NV_T_RAID1: return "RAID1"; 4795 case NV_T_RAID3: return "RAID3"; 4796 case NV_T_RAID5: return "RAID5"; 4797 case NV_T_RAID01: return "RAID0+1"; 4798 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4799 return buffer; 4800 } 4801 } 4802 4803 static void 4804 ata_raid_nvidia_print_meta(struct nvidia_raid_conf *meta) 4805 { 4806 kprintf("******** ATA nVidia MediaShield Metadata ********\n"); 4807 kprintf("nvidia_id <%.8s>\n", meta->nvidia_id); 4808 kprintf("config_size %d\n", meta->config_size); 4809 kprintf("checksum 0x%08x\n", meta->checksum); 4810 kprintf("version 0x%04x\n", meta->version); 4811 kprintf("disk_number %d\n", meta->disk_number); 4812 kprintf("dummy_0 0x%02x\n", meta->dummy_0); 4813 kprintf("total_sectors %d\n", meta->total_sectors); 4814 kprintf("sectors_size %d\n", meta->sector_size); 4815 kprintf("serial %.16s\n", meta->serial); 4816 kprintf("revision %.4s\n", meta->revision); 4817 kprintf("dummy_1 0x%08x\n", meta->dummy_1); 4818 kprintf("magic_0 0x%08x\n", meta->magic_0); 4819 kprintf("magic_1 0x%016jx\n", meta->magic_1); 4820 kprintf("magic_2 0x%016jx\n", meta->magic_2); 4821 kprintf("flags 0x%02x\n", meta->flags); 4822 kprintf("array_width %d\n", meta->array_width); 4823 kprintf("total_disks %d\n", meta->total_disks); 4824 kprintf("dummy_2 0x%02x\n", meta->dummy_2); 4825 kprintf("type %s\n", ata_raid_nvidia_type(meta->type)); 4826 kprintf("dummy_3 0x%04x\n", meta->dummy_3); 4827 kprintf("stripe_sectors %d\n", meta->stripe_sectors); 4828 kprintf("stripe_bytes %d\n", meta->stripe_bytes); 4829 kprintf("stripe_shift %d\n", meta->stripe_shift); 4830 kprintf("stripe_mask 0x%08x\n", meta->stripe_mask); 4831 kprintf("stripe_sizesectors %d\n", meta->stripe_sizesectors); 4832 kprintf("stripe_sizebytes %d\n", meta->stripe_sizebytes); 4833 kprintf("rebuild_lba %d\n", meta->rebuild_lba); 4834 kprintf("dummy_4 0x%08x\n", meta->dummy_4); 4835 kprintf("dummy_5 0x%08x\n", meta->dummy_5); 4836 kprintf("status 0x%08x\n", meta->status); 4837 kprintf("=================================================\n"); 4838 } 4839 4840 static char * 4841 ata_raid_promise_type(int type) 4842 { 4843 static char buffer[16]; 4844 4845 switch (type) { 4846 case PR_T_RAID0: return "RAID0"; 4847 case PR_T_RAID1: return "RAID1"; 4848 case PR_T_RAID3: return "RAID3"; 4849 case PR_T_RAID5: return "RAID5"; 4850 case PR_T_SPAN: return "SPAN"; 4851 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4852 return buffer; 4853 } 4854 } 4855 4856 static void 4857 ata_raid_promise_print_meta(struct promise_raid_conf *meta) 4858 { 4859 int i; 4860 4861 kprintf("********* ATA Promise FastTrak Metadata *********\n"); 4862 kprintf("promise_id <%s>\n", meta->promise_id); 4863 kprintf("dummy_0 0x%08x\n", meta->dummy_0); 4864 kprintf("magic_0 0x%016jx\n", meta->magic_0); 4865 kprintf("magic_1 0x%04x\n", meta->magic_1); 4866 kprintf("magic_2 0x%08x\n", meta->magic_2); 4867 kprintf("integrity 0x%08x %b\n", meta->raid.integrity, 4868 meta->raid.integrity, "\20\10VALID\n" ); 4869 kprintf("flags 0x%02x %b\n", 4870 meta->raid.flags, meta->raid.flags, 4871 "\20\10READY\7DOWN\6REDIR\5DUPLICATE\4SPARE" 4872 "\3ASSIGNED\2ONLINE\1VALID\n"); 4873 kprintf("disk_number %d\n", meta->raid.disk_number); 4874 kprintf("channel 0x%02x\n", meta->raid.channel); 4875 kprintf("device 0x%02x\n", meta->raid.device); 4876 kprintf("magic_0 0x%016jx\n", meta->raid.magic_0); 4877 kprintf("disk_offset %u\n", meta->raid.disk_offset); 4878 kprintf("disk_sectors %u\n", meta->raid.disk_sectors); 4879 kprintf("rebuild_lba 0x%08x\n", meta->raid.rebuild_lba); 4880 kprintf("generation 0x%04x\n", meta->raid.generation); 4881 kprintf("status 0x%02x %b\n", 4882 meta->raid.status, meta->raid.status, 4883 "\20\6MARKED\5DEGRADED\4READY\3INITED\2ONLINE\1VALID\n"); 4884 kprintf("type %s\n", ata_raid_promise_type(meta->raid.type)); 4885 kprintf("total_disks %u\n", meta->raid.total_disks); 4886 kprintf("stripe_shift %u\n", meta->raid.stripe_shift); 4887 kprintf("array_width %u\n", meta->raid.array_width); 4888 kprintf("array_number %u\n", meta->raid.array_number); 4889 kprintf("total_sectors %u\n", meta->raid.total_sectors); 4890 kprintf("cylinders %u\n", meta->raid.cylinders); 4891 kprintf("heads %u\n", meta->raid.heads); 4892 kprintf("sectors %u\n", meta->raid.sectors); 4893 kprintf("magic_1 0x%016jx\n", meta->raid.magic_1); 4894 kprintf("DISK# flags dummy_0 channel device magic_0\n"); 4895 for (i = 0; i < 8; i++) { 4896 kprintf(" %d %b 0x%02x 0x%02x 0x%02x ", 4897 i, meta->raid.disk[i].flags, 4898 "\20\10READY\7DOWN\6REDIR\5DUPLICATE\4SPARE" 4899 "\3ASSIGNED\2ONLINE\1VALID\n", meta->raid.disk[i].dummy_0, 4900 meta->raid.disk[i].channel, meta->raid.disk[i].device); 4901 kprintf("0x%016jx\n", meta->raid.disk[i].magic_0); 4902 } 4903 kprintf("checksum 0x%08x\n", meta->checksum); 4904 kprintf("=================================================\n"); 4905 } 4906 4907 static char * 4908 ata_raid_sii_type(int type) 4909 { 4910 static char buffer[16]; 4911 4912 switch (type) { 4913 case SII_T_RAID0: return "RAID0"; 4914 case SII_T_RAID1: return "RAID1"; 4915 case SII_T_RAID01: return "RAID0+1"; 4916 case SII_T_SPARE: return "SPARE"; 4917 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4918 return buffer; 4919 } 4920 } 4921 4922 static void 4923 ata_raid_sii_print_meta(struct sii_raid_conf *meta) 4924 { 4925 kprintf("******* ATA Silicon Image Medley Metadata *******\n"); 4926 kprintf("total_sectors %ju\n", meta->total_sectors); 4927 kprintf("dummy_0 0x%04x\n", meta->dummy_0); 4928 kprintf("dummy_1 0x%04x\n", meta->dummy_1); 4929 kprintf("controller_pci_id 0x%08x\n", meta->controller_pci_id); 4930 kprintf("version_minor 0x%04x\n", meta->version_minor); 4931 kprintf("version_major 0x%04x\n", meta->version_major); 4932 kprintf("timestamp 20%02x/%02x/%02x %02x:%02x:%02x\n", 4933 meta->timestamp[5], meta->timestamp[4], meta->timestamp[3], 4934 meta->timestamp[2], meta->timestamp[1], meta->timestamp[0]); 4935 kprintf("stripe_sectors %u\n", meta->stripe_sectors); 4936 kprintf("dummy_2 0x%04x\n", meta->dummy_2); 4937 kprintf("disk_number %u\n", meta->disk_number); 4938 kprintf("type %s\n", ata_raid_sii_type(meta->type)); 4939 kprintf("raid0_disks %u\n", meta->raid0_disks); 4940 kprintf("raid0_ident %u\n", meta->raid0_ident); 4941 kprintf("raid1_disks %u\n", meta->raid1_disks); 4942 kprintf("raid1_ident %u\n", meta->raid1_ident); 4943 kprintf("rebuild_lba %ju\n", meta->rebuild_lba); 4944 kprintf("generation 0x%08x\n", meta->generation); 4945 kprintf("status 0x%02x %b\n", 4946 meta->status, meta->status, 4947 "\20\1READY\n"); 4948 kprintf("base_raid1_position %02x\n", meta->base_raid1_position); 4949 kprintf("base_raid0_position %02x\n", meta->base_raid0_position); 4950 kprintf("position %02x\n", meta->position); 4951 kprintf("dummy_3 %04x\n", meta->dummy_3); 4952 kprintf("name <%.16s>\n", meta->name); 4953 kprintf("checksum_0 0x%04x\n", meta->checksum_0); 4954 kprintf("checksum_1 0x%04x\n", meta->checksum_1); 4955 kprintf("=================================================\n"); 4956 } 4957 4958 static char * 4959 ata_raid_sis_type(int type) 4960 { 4961 static char buffer[16]; 4962 4963 switch (type) { 4964 case SIS_T_JBOD: return "JBOD"; 4965 case SIS_T_RAID0: return "RAID0"; 4966 case SIS_T_RAID1: return "RAID1"; 4967 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4968 return buffer; 4969 } 4970 } 4971 4972 static void 4973 ata_raid_sis_print_meta(struct sis_raid_conf *meta) 4974 { 4975 kprintf("**** ATA Silicon Integrated Systems Metadata ****\n"); 4976 kprintf("magic 0x%04x\n", meta->magic); 4977 kprintf("disks 0x%02x\n", meta->disks); 4978 kprintf("type %s\n", 4979 ata_raid_sis_type(meta->type_total_disks & SIS_T_MASK)); 4980 kprintf("total_disks %u\n", meta->type_total_disks & SIS_D_MASK); 4981 kprintf("dummy_0 0x%08x\n", meta->dummy_0); 4982 kprintf("controller_pci_id 0x%08x\n", meta->controller_pci_id); 4983 kprintf("stripe_sectors %u\n", meta->stripe_sectors); 4984 kprintf("dummy_1 0x%04x\n", meta->dummy_1); 4985 kprintf("timestamp 0x%08x\n", meta->timestamp); 4986 kprintf("model %.40s\n", meta->model); 4987 kprintf("disk_number %u\n", meta->disk_number); 4988 kprintf("dummy_2 0x%02x 0x%02x 0x%02x\n", 4989 meta->dummy_2[0], meta->dummy_2[1], meta->dummy_2[2]); 4990 kprintf("=================================================\n"); 4991 } 4992 4993 static char * 4994 ata_raid_via_type(int type) 4995 { 4996 static char buffer[16]; 4997 4998 switch (type) { 4999 case VIA_T_RAID0: return "RAID0"; 5000 case VIA_T_RAID1: return "RAID1"; 5001 case VIA_T_RAID5: return "RAID5"; 5002 case VIA_T_RAID01: return "RAID0+1"; 5003 case VIA_T_SPAN: return "SPAN"; 5004 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 5005 return buffer; 5006 } 5007 } 5008 5009 static void 5010 ata_raid_via_print_meta(struct via_raid_conf *meta) 5011 { 5012 int i; 5013 5014 kprintf("*************** ATA VIA Metadata ****************\n"); 5015 kprintf("magic 0x%02x\n", meta->magic); 5016 kprintf("dummy_0 0x%02x\n", meta->dummy_0); 5017 kprintf("type %s\n", 5018 ata_raid_via_type(meta->type & VIA_T_MASK)); 5019 kprintf("bootable %d\n", meta->type & VIA_T_BOOTABLE); 5020 kprintf("unknown %d\n", meta->type & VIA_T_UNKNOWN); 5021 kprintf("disk_index 0x%02x\n", meta->disk_index); 5022 kprintf("stripe_layout 0x%02x\n", meta->stripe_layout); 5023 kprintf(" stripe_disks %d\n", meta->stripe_layout & VIA_L_DISKS); 5024 kprintf(" stripe_sectors %d\n", 5025 0x08 << ((meta->stripe_layout & VIA_L_MASK) >> VIA_L_SHIFT)); 5026 kprintf("disk_sectors %ju\n", meta->disk_sectors); 5027 kprintf("disk_id 0x%08x\n", meta->disk_id); 5028 kprintf("DISK# disk_id\n"); 5029 for (i = 0; i < 8; i++) { 5030 if (meta->disks[i]) 5031 kprintf(" %d 0x%08x\n", i, meta->disks[i]); 5032 } 5033 kprintf("checksum 0x%02x\n", meta->checksum); 5034 kprintf("=================================================\n"); 5035 } 5036