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 1.7 2007/06/17 03:54:07 y0netan1 Exp $ 28 */ 29 30 #include "opt_ata.h" 31 32 #include <sys/param.h> 33 #include <sys/bio.h> 34 #include <sys/buf.h> 35 #include <sys/buf2.h> 36 #include <sys/bus.h> 37 #include <sys/conf.h> 38 #include <sys/device.h> 39 #include <sys/disk.h> 40 #include <sys/endian.h> 41 #include <sys/libkern.h> 42 #include <sys/malloc.h> 43 #include <sys/module.h> 44 #include <sys/nata.h> 45 #include <sys/spinlock2.h> 46 #include <sys/systm.h> 47 48 #include <vm/pmap.h> 49 50 #include <machine/md_var.h> 51 52 #include <bus/pci/pcivar.h> 53 54 #include "ata-all.h" 55 #include "ata-disk.h" 56 #include "ata-raid.h" 57 #include "ata-pci.h" 58 #include "ata_if.h" 59 60 61 /* device structure */ 62 static d_strategy_t ata_raid_strategy; 63 static d_dump_t ata_raid_dump; 64 static struct dev_ops ar_ops = { 65 { "ar", 157, D_DISK }, 66 .d_open = nullopen, 67 .d_close = nullclose, 68 .d_read = physread, 69 .d_write = physwrite, 70 .d_strategy = ata_raid_strategy, 71 .d_dump = ata_raid_dump, 72 }; 73 74 /* prototypes */ 75 static void ata_raid_done(struct ata_request *request); 76 static void ata_raid_config_changed(struct ar_softc *rdp, int writeback); 77 static int ata_raid_status(struct ata_ioc_raid_config *config); 78 static int ata_raid_create(struct ata_ioc_raid_config *config); 79 static int ata_raid_delete(int array); 80 static int ata_raid_addspare(struct ata_ioc_raid_config *config); 81 static int ata_raid_rebuild(int array); 82 static int ata_raid_read_metadata(device_t subdisk); 83 static int ata_raid_write_metadata(struct ar_softc *rdp); 84 static int ata_raid_wipe_metadata(struct ar_softc *rdp); 85 static int ata_raid_adaptec_read_meta(device_t dev, struct ar_softc **raidp); 86 static int ata_raid_hptv2_read_meta(device_t dev, struct ar_softc **raidp); 87 static int ata_raid_hptv2_write_meta(struct ar_softc *rdp); 88 static int ata_raid_hptv3_read_meta(device_t dev, struct ar_softc **raidp); 89 static int ata_raid_intel_read_meta(device_t dev, struct ar_softc **raidp); 90 static int ata_raid_intel_write_meta(struct ar_softc *rdp); 91 static int ata_raid_ite_read_meta(device_t dev, struct ar_softc **raidp); 92 static int ata_raid_jmicron_read_meta(device_t dev, struct ar_softc **raidp); 93 static int ata_raid_jmicron_write_meta(struct ar_softc *rdp); 94 static int ata_raid_lsiv2_read_meta(device_t dev, struct ar_softc **raidp); 95 static int ata_raid_lsiv3_read_meta(device_t dev, struct ar_softc **raidp); 96 static int ata_raid_nvidia_read_meta(device_t dev, struct ar_softc **raidp); 97 static int ata_raid_promise_read_meta(device_t dev, struct ar_softc **raidp, int native); 98 static int ata_raid_promise_write_meta(struct ar_softc *rdp); 99 static int ata_raid_sii_read_meta(device_t dev, struct ar_softc **raidp); 100 static int ata_raid_sis_read_meta(device_t dev, struct ar_softc **raidp); 101 static int ata_raid_sis_write_meta(struct ar_softc *rdp); 102 static int ata_raid_via_read_meta(device_t dev, struct ar_softc **raidp); 103 static int ata_raid_via_write_meta(struct ar_softc *rdp); 104 static struct ata_request *ata_raid_init_request(struct ar_softc *rdp, struct bio *bio); 105 static int ata_raid_send_request(struct ata_request *request); 106 static int ata_raid_rw(device_t dev, u_int64_t lba, void *data, u_int bcount, int flags); 107 static char * ata_raid_format(struct ar_softc *rdp); 108 static char * ata_raid_type(struct ar_softc *rdp); 109 static char * ata_raid_flags(struct ar_softc *rdp); 110 111 /* debugging only */ 112 static void ata_raid_print_meta(struct ar_softc *meta); 113 static void ata_raid_adaptec_print_meta(struct adaptec_raid_conf *meta); 114 static void ata_raid_hptv2_print_meta(struct hptv2_raid_conf *meta); 115 static void ata_raid_hptv3_print_meta(struct hptv3_raid_conf *meta); 116 static void ata_raid_intel_print_meta(struct intel_raid_conf *meta); 117 static void ata_raid_ite_print_meta(struct ite_raid_conf *meta); 118 static void ata_raid_jmicron_print_meta(struct jmicron_raid_conf *meta); 119 static void ata_raid_lsiv2_print_meta(struct lsiv2_raid_conf *meta); 120 static void ata_raid_lsiv3_print_meta(struct lsiv3_raid_conf *meta); 121 static void ata_raid_nvidia_print_meta(struct nvidia_raid_conf *meta); 122 static void ata_raid_promise_print_meta(struct promise_raid_conf *meta); 123 static void ata_raid_sii_print_meta(struct sii_raid_conf *meta); 124 static void ata_raid_sis_print_meta(struct sis_raid_conf *meta); 125 static void ata_raid_via_print_meta(struct via_raid_conf *meta); 126 127 /* internal vars */ 128 static struct ar_softc *ata_raid_arrays[MAX_ARRAYS]; 129 static MALLOC_DEFINE(M_AR, "ar_driver", "ATA PseudoRAID driver"); 130 static devclass_t ata_raid_sub_devclass; 131 static int testing = 0; 132 133 static void 134 ata_raid_attach(struct ar_softc *rdp, int writeback) 135 { 136 struct disk_info info; 137 cdev_t cdev; 138 char buffer[32]; 139 int disk; 140 141 spin_init(&rdp->lock); 142 ata_raid_config_changed(rdp, writeback); 143 144 /* sanitize arrays total_size % (width * interleave) == 0 */ 145 if (rdp->type == AR_T_RAID0 || rdp->type == AR_T_RAID01 || 146 rdp->type == AR_T_RAID5) { 147 rdp->total_sectors = (rdp->total_sectors/(rdp->interleave*rdp->width))* 148 (rdp->interleave * rdp->width); 149 ksprintf(buffer, " (stripe %d KB)", 150 (rdp->interleave * DEV_BSIZE) / 1024); 151 } 152 else 153 buffer[0] = '\0'; 154 /* XXX TGEN add devstats? */ 155 cdev = disk_create(rdp->lun, &rdp->disk, &ar_ops); 156 cdev->si_drv1 = rdp; 157 cdev->si_iosize_max = 128 * DEV_BSIZE; 158 rdp->cdev = cdev; 159 160 bzero(&info, sizeof(info)); 161 info.d_media_blksize = DEV_BSIZE; /* mandatory */ 162 info.d_media_blocks = rdp->total_sectors; 163 164 info.d_secpertrack = rdp->sectors; /* optional */ 165 info.d_nheads = rdp->heads; 166 info.d_ncylinders = rdp->total_sectors/(rdp->heads*rdp->sectors); 167 info.d_secpercyl = rdp->sectors * rdp->heads; 168 169 kprintf("ar%d: %juMB <%s %s%s> status: %s\n", rdp->lun, 170 rdp->total_sectors / ((1024L * 1024L) / DEV_BSIZE), 171 ata_raid_format(rdp), ata_raid_type(rdp), 172 buffer, ata_raid_flags(rdp)); 173 174 if (testing || bootverbose) 175 kprintf("ar%d: %ju sectors [%dC/%dH/%dS] <%s> subdisks defined as:\n", 176 rdp->lun, rdp->total_sectors, 177 rdp->cylinders, rdp->heads, rdp->sectors, rdp->name); 178 179 for (disk = 0; disk < rdp->total_disks; disk++) { 180 kprintf("ar%d: disk%d ", rdp->lun, disk); 181 if (rdp->disks[disk].dev) { 182 if (rdp->disks[disk].flags & AR_DF_PRESENT) { 183 /* status of this disk in the array */ 184 if (rdp->disks[disk].flags & AR_DF_ONLINE) 185 kprintf("READY "); 186 else if (rdp->disks[disk].flags & AR_DF_SPARE) 187 kprintf("SPARE "); 188 else 189 kprintf("FREE "); 190 191 /* what type of disk is this in the array */ 192 switch (rdp->type) { 193 case AR_T_RAID1: 194 case AR_T_RAID01: 195 if (disk < rdp->width) 196 kprintf("(master) "); 197 else 198 kprintf("(mirror) "); 199 } 200 201 /* which physical disk is used */ 202 kprintf("using %s at ata%d-%s\n", 203 device_get_nameunit(rdp->disks[disk].dev), 204 device_get_unit(device_get_parent(rdp->disks[disk].dev)), 205 (((struct ata_device *) 206 device_get_softc(rdp->disks[disk].dev))->unit == 207 ATA_MASTER) ? "master" : "slave"); 208 } 209 else if (rdp->disks[disk].flags & AR_DF_ASSIGNED) 210 kprintf("DOWN\n"); 211 else 212 kprintf("INVALID no RAID config on this subdisk\n"); 213 } 214 else 215 kprintf("DOWN no device found for this subdisk\n"); 216 } 217 218 disk_setdiskinfo(&rdp->disk, &info); 219 } 220 221 /* 222 * ATA PseudoRAID ioctl function. Note that this does not need to be adjusted 223 * to the dev_ops way, because it's just chained from the generic ata ioctl. 224 */ 225 static int 226 ata_raid_ioctl(u_long cmd, caddr_t data) 227 { 228 struct ata_ioc_raid_config *config = (struct ata_ioc_raid_config *)data; 229 int *lun = (int *)data; 230 int error = EOPNOTSUPP; 231 232 switch (cmd) { 233 case IOCATARAIDSTATUS: 234 error = ata_raid_status(config); 235 break; 236 237 case IOCATARAIDCREATE: 238 error = ata_raid_create(config); 239 break; 240 241 case IOCATARAIDDELETE: 242 error = ata_raid_delete(*lun); 243 break; 244 245 case IOCATARAIDADDSPARE: 246 error = ata_raid_addspare(config); 247 break; 248 249 case IOCATARAIDREBUILD: 250 error = ata_raid_rebuild(*lun); 251 break; 252 } 253 return error; 254 } 255 256 /* 257 * XXX TGEN there are a lot of offset -> block number conversions going on 258 * here, which is suboptimal. 259 */ 260 static int 261 ata_raid_strategy(struct dev_strategy_args *ap) 262 { 263 struct ar_softc *rdp = ap->a_head.a_dev->si_drv1; 264 struct bio *bp = ap->a_bio; 265 struct buf *bbp = bp->bio_buf; 266 struct ata_request *request; 267 caddr_t data; 268 u_int64_t blkno, lba, blk = 0; 269 int count, chunk, drv, par = 0, change = 0; 270 271 if (!(rdp->status & AR_S_READY) || 272 (bbp->b_cmd != BUF_CMD_READ && bbp->b_cmd != BUF_CMD_WRITE)) { 273 bbp->b_flags |= B_ERROR; 274 bbp->b_error = EIO; 275 biodone(bp); 276 return(0); 277 } 278 279 bbp->b_resid = bbp->b_bcount; 280 for (count = howmany(bbp->b_bcount, DEV_BSIZE), 281 /* bio_offset is byte granularity, convert */ 282 blkno = (u_int64_t)(bp->bio_offset >> DEV_BSHIFT), 283 data = bbp->b_data; 284 count > 0; 285 count -= chunk, blkno += chunk, data += (chunk * DEV_BSIZE)) { 286 287 switch (rdp->type) { 288 case AR_T_RAID1: 289 drv = 0; 290 lba = blkno; 291 chunk = count; 292 break; 293 294 case AR_T_JBOD: 295 case AR_T_SPAN: 296 drv = 0; 297 lba = blkno; 298 while (lba >= rdp->disks[drv].sectors) 299 lba -= rdp->disks[drv++].sectors; 300 chunk = min(rdp->disks[drv].sectors - lba, count); 301 break; 302 303 case AR_T_RAID0: 304 case AR_T_RAID01: 305 chunk = blkno % rdp->interleave; 306 drv = (blkno / rdp->interleave) % rdp->width; 307 lba = (((blkno/rdp->interleave)/rdp->width)*rdp->interleave)+chunk; 308 chunk = min(count, rdp->interleave - chunk); 309 break; 310 311 case AR_T_RAID5: 312 drv = (blkno / rdp->interleave) % (rdp->width - 1); 313 par = rdp->width - 1 - 314 (blkno / (rdp->interleave * (rdp->width - 1))) % rdp->width; 315 if (drv >= par) 316 drv++; 317 lba = ((blkno/rdp->interleave)/(rdp->width-1))*(rdp->interleave) + 318 ((blkno%(rdp->interleave*(rdp->width-1)))%rdp->interleave); 319 chunk = min(count, rdp->interleave - (lba % rdp->interleave)); 320 break; 321 322 default: 323 kprintf("ar%d: unknown array type in ata_raid_strategy\n", rdp->lun); 324 bbp->b_flags |= B_ERROR; 325 bbp->b_error = EIO; 326 biodone(bp); 327 return(0); 328 } 329 330 /* offset on all but "first on HPTv2" */ 331 if (!(drv == 0 && rdp->format == AR_F_HPTV2_RAID)) 332 lba += rdp->offset_sectors; 333 334 if (!(request = ata_raid_init_request(rdp, bp))) { 335 bbp->b_flags |= B_ERROR; 336 bbp->b_error = EIO; 337 biodone(bp); 338 return(0); 339 } 340 request->data = data; 341 request->bytecount = chunk * DEV_BSIZE; 342 request->u.ata.lba = lba; 343 request->u.ata.count = request->bytecount / DEV_BSIZE; 344 345 switch (rdp->type) { 346 case AR_T_JBOD: 347 case AR_T_SPAN: 348 case AR_T_RAID0: 349 if (((rdp->disks[drv].flags & (AR_DF_PRESENT|AR_DF_ONLINE)) == 350 (AR_DF_PRESENT|AR_DF_ONLINE) && !rdp->disks[drv].dev)) { 351 rdp->disks[drv].flags &= ~AR_DF_ONLINE; 352 ata_raid_config_changed(rdp, 1); 353 ata_free_request(request); 354 bbp->b_flags |= B_ERROR; 355 bbp->b_error = EIO; 356 biodone(bp); 357 return(0); 358 } 359 request->this = drv; 360 request->dev = rdp->disks[request->this].dev; 361 ata_raid_send_request(request); 362 break; 363 364 case AR_T_RAID1: 365 case AR_T_RAID01: 366 if ((rdp->disks[drv].flags & 367 (AR_DF_PRESENT|AR_DF_ONLINE))==(AR_DF_PRESENT|AR_DF_ONLINE) && 368 !rdp->disks[drv].dev) { 369 rdp->disks[drv].flags &= ~AR_DF_ONLINE; 370 change = 1; 371 } 372 if ((rdp->disks[drv + rdp->width].flags & 373 (AR_DF_PRESENT|AR_DF_ONLINE))==(AR_DF_PRESENT|AR_DF_ONLINE) && 374 !rdp->disks[drv + rdp->width].dev) { 375 rdp->disks[drv + rdp->width].flags &= ~AR_DF_ONLINE; 376 change = 1; 377 } 378 if (change) 379 ata_raid_config_changed(rdp, 1); 380 if (!(rdp->status & AR_S_READY)) { 381 ata_free_request(request); 382 bbp->b_flags |= B_ERROR; 383 bbp->b_error = EIO; 384 biodone(bp); 385 return(0); 386 } 387 388 if (rdp->status & AR_S_REBUILDING) 389 blk = ((lba / rdp->interleave) * rdp->width) * rdp->interleave + 390 (rdp->interleave * (drv % rdp->width)) + 391 lba % rdp->interleave;; 392 393 if (bbp->b_cmd == BUF_CMD_READ) { 394 int src_online = 395 (rdp->disks[drv].flags & AR_DF_ONLINE); 396 int mir_online = 397 (rdp->disks[drv+rdp->width].flags & AR_DF_ONLINE); 398 399 /* if mirror gone or close to last access on source */ 400 if (!mir_online || 401 ((src_online) && 402 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) >= 403 (rdp->disks[drv].last_lba - AR_PROXIMITY) && 404 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) <= 405 (rdp->disks[drv].last_lba + AR_PROXIMITY))) { 406 rdp->toggle = 0; 407 } 408 /* if source gone or close to last access on mirror */ 409 else if (!src_online || 410 ((mir_online) && 411 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) >= 412 (rdp->disks[drv+rdp->width].last_lba-AR_PROXIMITY) && 413 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) <= 414 (rdp->disks[drv+rdp->width].last_lba+AR_PROXIMITY))) { 415 drv += rdp->width; 416 rdp->toggle = 1; 417 } 418 /* not close to any previous access, toggle */ 419 else { 420 if (rdp->toggle) 421 rdp->toggle = 0; 422 else { 423 drv += rdp->width; 424 rdp->toggle = 1; 425 } 426 } 427 428 if ((rdp->status & AR_S_REBUILDING) && 429 (blk <= rdp->rebuild_lba) && 430 ((blk + chunk) > rdp->rebuild_lba)) { 431 struct ata_composite *composite; 432 struct ata_request *rebuild; 433 int this; 434 435 /* figure out what part to rebuild */ 436 if (drv < rdp->width) 437 this = drv + rdp->width; 438 else 439 this = drv - rdp->width; 440 441 /* do we have a spare to rebuild on ? */ 442 if (rdp->disks[this].flags & AR_DF_SPARE) { 443 if ((composite = ata_alloc_composite())) { 444 if ((rebuild = ata_alloc_request())) { 445 rdp->rebuild_lba = blk + chunk; 446 bcopy(request, rebuild, 447 sizeof(struct ata_request)); 448 rebuild->this = this; 449 rebuild->dev = rdp->disks[this].dev; 450 rebuild->flags &= ~ATA_R_READ; 451 rebuild->flags |= ATA_R_WRITE; 452 spin_init(&composite->lock); 453 composite->residual = request->bytecount; 454 composite->rd_needed |= (1 << drv); 455 composite->wr_depend |= (1 << drv); 456 composite->wr_needed |= (1 << this); 457 composite->request[drv] = request; 458 composite->request[this] = rebuild; 459 request->composite = composite; 460 rebuild->composite = composite; 461 ata_raid_send_request(rebuild); 462 } 463 else { 464 ata_free_composite(composite); 465 kprintf("DOH! ata_alloc_request failed!\n"); 466 } 467 } 468 else { 469 kprintf("DOH! ata_alloc_composite failed!\n"); 470 } 471 } 472 else if (rdp->disks[this].flags & AR_DF_ONLINE) { 473 /* 474 * if we got here we are a chunk of a RAID01 that 475 * does not need a rebuild, but we need to increment 476 * the rebuild_lba address to get the rebuild to 477 * move to the next chunk correctly 478 */ 479 rdp->rebuild_lba = blk + chunk; 480 } 481 else 482 kprintf("DOH! we didn't find the rebuild part\n"); 483 } 484 } 485 if (bbp->b_cmd == BUF_CMD_WRITE) { 486 if ((rdp->disks[drv+rdp->width].flags & AR_DF_ONLINE) || 487 ((rdp->status & AR_S_REBUILDING) && 488 (rdp->disks[drv+rdp->width].flags & AR_DF_SPARE) && 489 ((blk < rdp->rebuild_lba) || 490 ((blk <= rdp->rebuild_lba) && 491 ((blk + chunk) > rdp->rebuild_lba))))) { 492 if ((rdp->disks[drv].flags & AR_DF_ONLINE) || 493 ((rdp->status & AR_S_REBUILDING) && 494 (rdp->disks[drv].flags & AR_DF_SPARE) && 495 ((blk < rdp->rebuild_lba) || 496 ((blk <= rdp->rebuild_lba) && 497 ((blk + chunk) > rdp->rebuild_lba))))) { 498 struct ata_request *mirror; 499 struct ata_composite *composite; 500 int this = drv + rdp->width; 501 502 if ((composite = ata_alloc_composite())) { 503 if ((mirror = ata_alloc_request())) { 504 if ((blk <= rdp->rebuild_lba) && 505 ((blk + chunk) > rdp->rebuild_lba)) 506 rdp->rebuild_lba = blk + chunk; 507 bcopy(request, mirror, 508 sizeof(struct ata_request)); 509 mirror->this = this; 510 mirror->dev = rdp->disks[this].dev; 511 spin_init(&composite->lock); 512 composite->residual = request->bytecount; 513 composite->wr_needed |= (1 << drv); 514 composite->wr_needed |= (1 << this); 515 composite->request[drv] = request; 516 composite->request[this] = mirror; 517 request->composite = composite; 518 mirror->composite = composite; 519 ata_raid_send_request(mirror); 520 rdp->disks[this].last_lba = 521 (u_int64_t)(bp->bio_offset >> DEV_BSHIFT) + 522 chunk; 523 } 524 else { 525 ata_free_composite(composite); 526 kprintf("DOH! ata_alloc_request failed!\n"); 527 } 528 } 529 else { 530 kprintf("DOH! ata_alloc_composite failed!\n"); 531 } 532 } 533 else 534 drv += rdp->width; 535 } 536 } 537 request->this = drv; 538 request->dev = rdp->disks[request->this].dev; 539 ata_raid_send_request(request); 540 rdp->disks[request->this].last_lba = 541 ((u_int64_t)(bp->bio_offset) >> DEV_BSHIFT) + chunk; 542 break; 543 544 case AR_T_RAID5: 545 if (((rdp->disks[drv].flags & (AR_DF_PRESENT|AR_DF_ONLINE)) == 546 (AR_DF_PRESENT|AR_DF_ONLINE) && !rdp->disks[drv].dev)) { 547 rdp->disks[drv].flags &= ~AR_DF_ONLINE; 548 change = 1; 549 } 550 if (((rdp->disks[par].flags & (AR_DF_PRESENT|AR_DF_ONLINE)) == 551 (AR_DF_PRESENT|AR_DF_ONLINE) && !rdp->disks[par].dev)) { 552 rdp->disks[par].flags &= ~AR_DF_ONLINE; 553 change = 1; 554 } 555 if (change) 556 ata_raid_config_changed(rdp, 1); 557 if (!(rdp->status & AR_S_READY)) { 558 ata_free_request(request); 559 bbp->b_flags |= B_ERROR; 560 bbp->b_error = EIO; 561 biodone(bp); 562 return(0); 563 } 564 if (rdp->status & AR_S_DEGRADED) { 565 /* do the XOR game if possible */ 566 } 567 else { 568 request->this = drv; 569 request->dev = rdp->disks[request->this].dev; 570 if (bbp->b_cmd == BUF_CMD_READ) { 571 ata_raid_send_request(request); 572 } 573 if (bbp->b_cmd == BUF_CMD_WRITE) { 574 ata_raid_send_request(request); 575 /* XXX TGEN no, I don't speak Danish either */ 576 /* 577 * sikre at l�s-modify-skriv til hver disk er atomarisk. 578 * par kopi af request 579 * l�se orgdata fra drv 580 * skriv nydata til drv 581 * l�se parorgdata fra par 582 * skriv orgdata xor parorgdata xor nydata til par 583 */ 584 } 585 } 586 break; 587 588 default: 589 kprintf("ar%d: unknown array type in ata_raid_strategy\n", rdp->lun); 590 } 591 } 592 593 return(0); 594 } 595 596 static void 597 ata_raid_done(struct ata_request *request) 598 { 599 struct ar_softc *rdp = request->driver; 600 struct ata_composite *composite = NULL; 601 struct bio *bp = request->bio; 602 struct buf *bbp = bp->bio_buf; 603 int i, mirror, finished = 0; 604 605 switch (rdp->type) { 606 case AR_T_JBOD: 607 case AR_T_SPAN: 608 case AR_T_RAID0: 609 if (request->result) { 610 rdp->disks[request->this].flags &= ~AR_DF_ONLINE; 611 ata_raid_config_changed(rdp, 1); 612 bbp->b_error = request->result; 613 finished = 1; 614 } 615 else { 616 bbp->b_resid -= request->donecount; 617 if (!bbp->b_resid) 618 finished = 1; 619 } 620 break; 621 622 case AR_T_RAID1: 623 case AR_T_RAID01: 624 if (request->this < rdp->width) 625 mirror = request->this + rdp->width; 626 else 627 mirror = request->this - rdp->width; 628 if (request->result) { 629 rdp->disks[request->this].flags &= ~AR_DF_ONLINE; 630 ata_raid_config_changed(rdp, 1); 631 } 632 if (rdp->status & AR_S_READY) { 633 u_int64_t blk = 0; 634 635 if (rdp->status & AR_S_REBUILDING) 636 blk = ((request->u.ata.lba / rdp->interleave) * rdp->width) * 637 rdp->interleave + (rdp->interleave * 638 (request->this % rdp->width)) + 639 request->u.ata.lba % rdp->interleave; 640 641 if (bbp->b_cmd == BUF_CMD_READ) { 642 643 /* is this a rebuild composite */ 644 if ((composite = request->composite)) { 645 spin_lock_wr(&composite->lock); 646 647 /* handle the read part of a rebuild composite */ 648 if (request->flags & ATA_R_READ) { 649 650 /* if read failed array is now broken */ 651 if (request->result) { 652 rdp->disks[request->this].flags &= ~AR_DF_ONLINE; 653 ata_raid_config_changed(rdp, 1); 654 bbp->b_error = request->result; 655 rdp->rebuild_lba = blk; 656 finished = 1; 657 } 658 659 /* good data, update how far we've gotten */ 660 else { 661 bbp->b_resid -= request->donecount; 662 composite->residual -= request->donecount; 663 if (!composite->residual) { 664 if (composite->wr_done & (1 << mirror)) 665 finished = 1; 666 } 667 } 668 } 669 670 /* handle the write part of a rebuild composite */ 671 else if (request->flags & ATA_R_WRITE) { 672 if (composite->rd_done & (1 << mirror)) { 673 if (request->result) { 674 kprintf("DOH! rebuild failed\n"); /* XXX SOS */ 675 rdp->rebuild_lba = blk; 676 } 677 if (!composite->residual) 678 finished = 1; 679 } 680 } 681 spin_unlock_wr(&composite->lock); 682 } 683 684 /* if read failed retry on the mirror */ 685 else if (request->result) { 686 request->dev = rdp->disks[mirror].dev; 687 request->flags &= ~ATA_R_TIMEOUT; 688 ata_raid_send_request(request); 689 return; 690 } 691 692 /* we have good data */ 693 else { 694 bbp->b_resid -= request->donecount; 695 if (!bbp->b_resid) 696 finished = 1; 697 } 698 } 699 else if (bbp->b_cmd == BUF_CMD_WRITE) { 700 /* do we have a mirror or rebuild to deal with ? */ 701 if ((composite = request->composite)) { 702 spin_lock_wr(&composite->lock); 703 if (composite->wr_done & (1 << mirror)) { 704 if (request->result) { 705 if (composite->request[mirror]->result) { 706 kprintf("DOH! all disks failed and got here\n"); 707 bbp->b_error = EIO; 708 } 709 if (rdp->status & AR_S_REBUILDING) { 710 rdp->rebuild_lba = blk; 711 kprintf("DOH! rebuild failed\n"); /* XXX SOS */ 712 } 713 bbp->b_resid -= 714 composite->request[mirror]->donecount; 715 composite->residual -= 716 composite->request[mirror]->donecount; 717 } 718 else { 719 bbp->b_resid -= request->donecount; 720 composite->residual -= request->donecount; 721 } 722 if (!composite->residual) 723 finished = 1; 724 } 725 spin_unlock_wr(&composite->lock); 726 } 727 /* no mirror we are done */ 728 else { 729 bbp->b_resid -= request->donecount; 730 if (!bbp->b_resid) 731 finished = 1; 732 } 733 } 734 } 735 else { 736 /* XXX TGEN bbp->b_flags |= B_ERROR; */ 737 bbp->b_error = request->result; 738 biodone(bp); 739 } 740 break; 741 742 case AR_T_RAID5: 743 if (request->result) { 744 rdp->disks[request->this].flags &= ~AR_DF_ONLINE; 745 ata_raid_config_changed(rdp, 1); 746 if (rdp->status & AR_S_READY) { 747 if (bbp->b_cmd == BUF_CMD_READ) { 748 /* do the XOR game to recover data */ 749 } 750 if (bbp->b_cmd == BUF_CMD_WRITE) { 751 /* if the parity failed we're OK sortof */ 752 /* otherwise wee need to do the XOR long dance */ 753 } 754 finished = 1; 755 } 756 else { 757 /* XXX TGEN bbp->b_flags |= B_ERROR; */ 758 bbp->b_error = request->result; 759 biodone(bp); 760 } 761 } 762 else { 763 /* did we have an XOR game going ?? */ 764 bbp->b_resid -= request->donecount; 765 if (!bbp->b_resid) 766 finished = 1; 767 } 768 break; 769 770 default: 771 kprintf("ar%d: unknown array type in ata_raid_done\n", rdp->lun); 772 } 773 774 if (finished) { 775 if ((rdp->status & AR_S_REBUILDING) && 776 rdp->rebuild_lba >= rdp->total_sectors) { 777 int disk; 778 779 for (disk = 0; disk < rdp->total_disks; disk++) { 780 if ((rdp->disks[disk].flags & 781 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE)) == 782 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE)) { 783 rdp->disks[disk].flags &= ~AR_DF_SPARE; 784 rdp->disks[disk].flags |= AR_DF_ONLINE; 785 } 786 } 787 rdp->status &= ~AR_S_REBUILDING; 788 ata_raid_config_changed(rdp, 1); 789 } 790 if (!bbp->b_resid) 791 biodone(bp); 792 } 793 794 if (composite) { 795 if (finished) { 796 /* we are done with this composite, free all resources */ 797 for (i = 0; i < 32; i++) { 798 if (composite->rd_needed & (1 << i) || 799 composite->wr_needed & (1 << i)) { 800 ata_free_request(composite->request[i]); 801 } 802 } 803 spin_uninit(&composite->lock); 804 ata_free_composite(composite); 805 } 806 } 807 else 808 ata_free_request(request); 809 } 810 811 static int 812 ata_raid_dump(struct dev_dump_args *ap) 813 { 814 struct ar_softc *rdp = ap->a_head.a_dev->si_drv1; 815 struct buf dbuf; 816 vm_paddr_t addr = 0; 817 long blkcnt; 818 int dumppages = MAXDUMPPGS; 819 int error = 0; 820 int i, disk; 821 822 blkcnt = howmany(PAGE_SIZE, ap->a_secsize); 823 824 while (ap->a_count > 0) { 825 caddr_t va = NULL; 826 827 if ((ap->a_count / blkcnt) < dumppages) 828 dumppages = ap->a_count / blkcnt; 829 830 for (i = 0; i < dumppages; ++i) { 831 vm_paddr_t a = addr + (i * PAGE_SIZE); 832 if (is_physical_memory(a)) 833 va = pmap_kenter_temporary(trunc_page(a), i); 834 else 835 va = pmap_kenter_temporary(trunc_page(0), i); 836 } 837 838 bzero(&dbuf, sizeof(struct buf)); 839 BUF_LOCKINIT(&dbuf); 840 BUF_LOCK(&dbuf, LK_EXCLUSIVE); 841 initbufbio(&dbuf); 842 /* bio_offset is byte granularity, convert block granularity a_blkno */ 843 dbuf.b_bio1.bio_offset = (off_t)(ap->a_blkno << DEV_BSHIFT); 844 dbuf.b_bio1.bio_caller_info1.ptr = (void *)rdp; 845 dbuf.b_bcount = dumppages * PAGE_SIZE; 846 dbuf.b_data = va; 847 dbuf.b_cmd = BUF_CMD_WRITE; 848 dev_dstrategy(rdp->cdev, &dbuf.b_bio1); 849 /* wait for completion, unlock the buffer, check status */ 850 if (biowait(&dbuf)) { 851 BUF_UNLOCK(&dbuf); 852 return(dbuf.b_error ? dbuf.b_error : EIO); 853 } 854 BUF_UNLOCK(&dbuf); 855 856 if (dumpstatus(addr, (off_t)ap->a_count * DEV_BSIZE) < 0) 857 return(EINTR); 858 859 ap->a_blkno += blkcnt * dumppages; 860 ap->a_count -= blkcnt * dumppages; 861 addr += PAGE_SIZE * dumppages; 862 } 863 864 /* flush subdisk buffers to media */ 865 for (disk = 0; disk < rdp->total_disks; disk++) 866 if (rdp->disks[disk].dev) 867 error |= ata_controlcmd(rdp->disks[disk].dev, ATA_FLUSHCACHE, 0, 0, 868 0); 869 return (error ? EIO : 0); 870 } 871 872 static void 873 ata_raid_config_changed(struct ar_softc *rdp, int writeback) 874 { 875 int disk, count, status; 876 877 spin_lock_wr(&rdp->lock); 878 /* set default all working mode */ 879 status = rdp->status; 880 rdp->status &= ~AR_S_DEGRADED; 881 rdp->status |= AR_S_READY; 882 883 /* make sure all lost drives are accounted for */ 884 for (disk = 0; disk < rdp->total_disks; disk++) { 885 if (!(rdp->disks[disk].flags & AR_DF_PRESENT)) 886 rdp->disks[disk].flags &= ~AR_DF_ONLINE; 887 } 888 889 /* depending on RAID type figure out our health status */ 890 switch (rdp->type) { 891 case AR_T_JBOD: 892 case AR_T_SPAN: 893 case AR_T_RAID0: 894 for (disk = 0; disk < rdp->total_disks; disk++) 895 if (!(rdp->disks[disk].flags & AR_DF_ONLINE)) 896 rdp->status &= ~AR_S_READY; 897 break; 898 899 case AR_T_RAID1: 900 case AR_T_RAID01: 901 for (disk = 0; disk < rdp->width; disk++) { 902 if (!(rdp->disks[disk].flags & AR_DF_ONLINE) && 903 !(rdp->disks[disk + rdp->width].flags & AR_DF_ONLINE)) { 904 rdp->status &= ~AR_S_READY; 905 } 906 else if (((rdp->disks[disk].flags & AR_DF_ONLINE) && 907 !(rdp->disks[disk + rdp->width].flags & AR_DF_ONLINE)) || 908 (!(rdp->disks[disk].flags & AR_DF_ONLINE) && 909 (rdp->disks [disk + rdp->width].flags & AR_DF_ONLINE))) { 910 rdp->status |= AR_S_DEGRADED; 911 } 912 } 913 break; 914 915 case AR_T_RAID5: 916 for (count = 0, disk = 0; disk < rdp->total_disks; disk++) { 917 if (!(rdp->disks[disk].flags & AR_DF_ONLINE)) 918 count++; 919 } 920 if (count) { 921 if (count > 1) 922 rdp->status &= ~AR_S_READY; 923 else 924 rdp->status |= AR_S_DEGRADED; 925 } 926 break; 927 default: 928 rdp->status &= ~AR_S_READY; 929 } 930 931 if (rdp->status != status) { 932 if (!(rdp->status & AR_S_READY)) { 933 kprintf("ar%d: FAILURE - %s array broken\n", 934 rdp->lun, ata_raid_type(rdp)); 935 } 936 else if (rdp->status & AR_S_DEGRADED) { 937 if (rdp->type & (AR_T_RAID1 | AR_T_RAID01)) 938 kprintf("ar%d: WARNING - mirror", rdp->lun); 939 else 940 kprintf("ar%d: WARNING - parity", rdp->lun); 941 kprintf(" protection lost. %s array in DEGRADED mode\n", 942 ata_raid_type(rdp)); 943 } 944 } 945 spin_unlock_wr(&rdp->lock); 946 if (writeback) 947 ata_raid_write_metadata(rdp); 948 949 } 950 951 static int 952 ata_raid_status(struct ata_ioc_raid_config *config) 953 { 954 struct ar_softc *rdp; 955 int i; 956 957 if (!(rdp = ata_raid_arrays[config->lun])) 958 return ENXIO; 959 960 config->type = rdp->type; 961 config->total_disks = rdp->total_disks; 962 for (i = 0; i < rdp->total_disks; i++ ) { 963 if ((rdp->disks[i].flags & AR_DF_PRESENT) && rdp->disks[i].dev) 964 config->disks[i] = device_get_unit(rdp->disks[i].dev); 965 else 966 config->disks[i] = -1; 967 } 968 config->interleave = rdp->interleave; 969 config->status = rdp->status; 970 config->progress = 100 * rdp->rebuild_lba / rdp->total_sectors; 971 return 0; 972 } 973 974 static int 975 ata_raid_create(struct ata_ioc_raid_config *config) 976 { 977 struct ar_softc *rdp; 978 device_t subdisk; 979 int array, disk; 980 int ctlr = 0, disk_size = 0, total_disks = 0; 981 982 for (array = 0; array < MAX_ARRAYS; array++) { 983 if (!ata_raid_arrays[array]) 984 break; 985 } 986 if (array >= MAX_ARRAYS) 987 return ENOSPC; 988 989 if (!(rdp = (struct ar_softc*)kmalloc(sizeof(struct ar_softc), M_AR, 990 M_WAITOK | M_ZERO))) { 991 kprintf("ar%d: no memory for metadata storage\n", array); 992 return ENOMEM; 993 } 994 995 for (disk = 0; disk < config->total_disks; disk++) { 996 if ((subdisk = devclass_get_device(ata_raid_sub_devclass, 997 config->disks[disk]))) { 998 struct ata_raid_subdisk *ars = device_get_softc(subdisk); 999 1000 /* is device already assigned to another array ? */ 1001 if (ars->raid[rdp->volume]) { 1002 config->disks[disk] = -1; 1003 kfree(rdp, M_AR); 1004 return EBUSY; 1005 } 1006 rdp->disks[disk].dev = device_get_parent(subdisk); 1007 1008 switch (pci_get_vendor(GRANDPARENT(rdp->disks[disk].dev))) { 1009 case ATA_HIGHPOINT_ID: 1010 /* 1011 * we need some way to decide if it should be v2 or v3 1012 * for now just use v2 since the v3 BIOS knows how to 1013 * handle that as well. 1014 */ 1015 ctlr = AR_F_HPTV2_RAID; 1016 rdp->disks[disk].sectors = HPTV3_LBA(rdp->disks[disk].dev); 1017 break; 1018 1019 case ATA_INTEL_ID: 1020 ctlr = AR_F_INTEL_RAID; 1021 rdp->disks[disk].sectors = INTEL_LBA(rdp->disks[disk].dev); 1022 break; 1023 1024 case ATA_ITE_ID: 1025 ctlr = AR_F_ITE_RAID; 1026 rdp->disks[disk].sectors = ITE_LBA(rdp->disks[disk].dev); 1027 break; 1028 1029 case ATA_JMICRON_ID: 1030 ctlr = AR_F_JMICRON_RAID; 1031 rdp->disks[disk].sectors = JMICRON_LBA(rdp->disks[disk].dev); 1032 break; 1033 1034 case 0: /* XXX SOS cover up for bug in our PCI code */ 1035 case ATA_PROMISE_ID: 1036 ctlr = AR_F_PROMISE_RAID; 1037 rdp->disks[disk].sectors = PROMISE_LBA(rdp->disks[disk].dev); 1038 break; 1039 1040 case ATA_SIS_ID: 1041 ctlr = AR_F_SIS_RAID; 1042 rdp->disks[disk].sectors = SIS_LBA(rdp->disks[disk].dev); 1043 break; 1044 1045 case ATA_ATI_ID: 1046 case ATA_VIA_ID: 1047 ctlr = AR_F_VIA_RAID; 1048 rdp->disks[disk].sectors = VIA_LBA(rdp->disks[disk].dev); 1049 break; 1050 1051 default: 1052 /* XXX SOS 1053 * right, so here we are, we have an ATA chip and we want 1054 * to create a RAID and store the metadata. 1055 * we need to find a way to tell what kind of metadata this 1056 * hardware's BIOS might be using (good ideas are welcomed) 1057 * for now we just use our own native FreeBSD format. 1058 * the only way to get support for the BIOS format is to 1059 * setup the RAID from there, in that case we pickup the 1060 * metadata format from the disks (if we support it). 1061 */ 1062 kprintf("WARNING!! - not able to determine metadata format\n" 1063 "WARNING!! - Using FreeBSD PseudoRAID metadata\n" 1064 "If that is not what you want, use the BIOS to " 1065 "create the array\n"); 1066 ctlr = AR_F_FREEBSD_RAID; 1067 rdp->disks[disk].sectors = PROMISE_LBA(rdp->disks[disk].dev); 1068 break; 1069 } 1070 1071 /* we need all disks to be of the same format */ 1072 if ((rdp->format & AR_F_FORMAT_MASK) && 1073 (rdp->format & AR_F_FORMAT_MASK) != (ctlr & AR_F_FORMAT_MASK)) { 1074 kfree(rdp, M_AR); 1075 return EXDEV; 1076 } 1077 else 1078 rdp->format = ctlr; 1079 1080 /* use the smallest disk of the lots size */ 1081 /* gigabyte boundry ??? XXX SOS */ 1082 if (disk_size) 1083 disk_size = min(rdp->disks[disk].sectors, disk_size); 1084 else 1085 disk_size = rdp->disks[disk].sectors; 1086 rdp->disks[disk].flags = 1087 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 1088 1089 total_disks++; 1090 } 1091 else { 1092 config->disks[disk] = -1; 1093 kfree(rdp, M_AR); 1094 return ENXIO; 1095 } 1096 } 1097 1098 if (total_disks != config->total_disks) { 1099 kfree(rdp, M_AR); 1100 return ENODEV; 1101 } 1102 1103 switch (config->type) { 1104 case AR_T_JBOD: 1105 case AR_T_SPAN: 1106 case AR_T_RAID0: 1107 break; 1108 1109 case AR_T_RAID1: 1110 if (total_disks != 2) { 1111 kfree(rdp, M_AR); 1112 return EPERM; 1113 } 1114 break; 1115 1116 case AR_T_RAID01: 1117 if (total_disks % 2 != 0) { 1118 kfree(rdp, M_AR); 1119 return EPERM; 1120 } 1121 break; 1122 1123 case AR_T_RAID5: 1124 if (total_disks < 3) { 1125 kfree(rdp, M_AR); 1126 return EPERM; 1127 } 1128 break; 1129 1130 default: 1131 kfree(rdp, M_AR); 1132 return EOPNOTSUPP; 1133 } 1134 rdp->type = config->type; 1135 rdp->lun = array; 1136 if (rdp->type == AR_T_RAID0 || rdp->type == AR_T_RAID01 || 1137 rdp->type == AR_T_RAID5) { 1138 int bit = 0; 1139 1140 while (config->interleave >>= 1) 1141 bit++; 1142 rdp->interleave = 1 << bit; 1143 } 1144 rdp->offset_sectors = 0; 1145 1146 /* values that depend on metadata format */ 1147 switch (rdp->format) { 1148 case AR_F_ADAPTEC_RAID: 1149 rdp->interleave = min(max(32, rdp->interleave), 128); /*+*/ 1150 break; 1151 1152 case AR_F_HPTV2_RAID: 1153 rdp->interleave = min(max(8, rdp->interleave), 128); /*+*/ 1154 rdp->offset_sectors = HPTV2_LBA(x) + 1; 1155 break; 1156 1157 case AR_F_HPTV3_RAID: 1158 rdp->interleave = min(max(32, rdp->interleave), 4096); /*+*/ 1159 break; 1160 1161 case AR_F_INTEL_RAID: 1162 rdp->interleave = min(max(8, rdp->interleave), 256); /*+*/ 1163 break; 1164 1165 case AR_F_ITE_RAID: 1166 rdp->interleave = min(max(2, rdp->interleave), 128); /*+*/ 1167 break; 1168 1169 case AR_F_JMICRON_RAID: 1170 rdp->interleave = min(max(8, rdp->interleave), 256); /*+*/ 1171 break; 1172 1173 case AR_F_LSIV2_RAID: 1174 rdp->interleave = min(max(2, rdp->interleave), 4096); 1175 break; 1176 1177 case AR_F_LSIV3_RAID: 1178 rdp->interleave = min(max(2, rdp->interleave), 256); 1179 break; 1180 1181 case AR_F_PROMISE_RAID: 1182 rdp->interleave = min(max(2, rdp->interleave), 2048); /*+*/ 1183 break; 1184 1185 case AR_F_SII_RAID: 1186 rdp->interleave = min(max(8, rdp->interleave), 256); /*+*/ 1187 break; 1188 1189 case AR_F_SIS_RAID: 1190 rdp->interleave = min(max(32, rdp->interleave), 512); /*+*/ 1191 break; 1192 1193 case AR_F_VIA_RAID: 1194 rdp->interleave = min(max(8, rdp->interleave), 128); /*+*/ 1195 break; 1196 } 1197 1198 rdp->total_disks = total_disks; 1199 rdp->width = total_disks / (rdp->type & (AR_RAID1 | AR_T_RAID01) ? 2 : 1); 1200 rdp->total_sectors = disk_size * (rdp->width - (rdp->type == AR_RAID5)); 1201 rdp->heads = 255; 1202 rdp->sectors = 63; 1203 rdp->cylinders = rdp->total_sectors / (255 * 63); 1204 rdp->rebuild_lba = 0; 1205 rdp->status |= AR_S_READY; 1206 1207 /* we are committed to this array, grap the subdisks */ 1208 for (disk = 0; disk < config->total_disks; disk++) { 1209 if ((subdisk = devclass_get_device(ata_raid_sub_devclass, 1210 config->disks[disk]))) { 1211 struct ata_raid_subdisk *ars = device_get_softc(subdisk); 1212 1213 ars->raid[rdp->volume] = rdp; 1214 ars->disk_number[rdp->volume] = disk; 1215 } 1216 } 1217 ata_raid_attach(rdp, 1); 1218 ata_raid_arrays[array] = rdp; 1219 config->lun = array; 1220 return 0; 1221 } 1222 1223 static int 1224 ata_raid_delete(int array) 1225 { 1226 struct ar_softc *rdp; 1227 device_t subdisk; 1228 int disk; 1229 1230 if (!(rdp = ata_raid_arrays[array])) 1231 return ENXIO; 1232 1233 rdp->status &= ~AR_S_READY; 1234 disk_destroy(&rdp->disk); 1235 1236 for (disk = 0; disk < rdp->total_disks; disk++) { 1237 if ((rdp->disks[disk].flags & AR_DF_PRESENT) && rdp->disks[disk].dev) { 1238 if ((subdisk = devclass_get_device(ata_raid_sub_devclass, 1239 device_get_unit(rdp->disks[disk].dev)))) { 1240 struct ata_raid_subdisk *ars = device_get_softc(subdisk); 1241 1242 if (ars->raid[rdp->volume] != rdp) /* XXX SOS */ 1243 device_printf(subdisk, "DOH! this disk doesn't belong\n"); 1244 if (ars->disk_number[rdp->volume] != disk) /* XXX SOS */ 1245 device_printf(subdisk, "DOH! this disk number is wrong\n"); 1246 ars->raid[rdp->volume] = NULL; 1247 ars->disk_number[rdp->volume] = -1; 1248 } 1249 rdp->disks[disk].flags = 0; 1250 } 1251 } 1252 ata_raid_wipe_metadata(rdp); 1253 ata_raid_arrays[array] = NULL; 1254 kfree(rdp, M_AR); 1255 return 0; 1256 } 1257 1258 static int 1259 ata_raid_addspare(struct ata_ioc_raid_config *config) 1260 { 1261 struct ar_softc *rdp; 1262 device_t subdisk; 1263 int disk; 1264 1265 if (!(rdp = ata_raid_arrays[config->lun])) 1266 return ENXIO; 1267 if (!(rdp->status & AR_S_DEGRADED) || !(rdp->status & AR_S_READY)) 1268 return ENXIO; 1269 if (rdp->status & AR_S_REBUILDING) 1270 return EBUSY; 1271 switch (rdp->type) { 1272 case AR_T_RAID1: 1273 case AR_T_RAID01: 1274 case AR_T_RAID5: 1275 for (disk = 0; disk < rdp->total_disks; disk++ ) { 1276 1277 if (((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) == 1278 (AR_DF_PRESENT | AR_DF_ONLINE)) && rdp->disks[disk].dev) 1279 continue; 1280 1281 if ((subdisk = devclass_get_device(ata_raid_sub_devclass, 1282 config->disks[0] ))) { 1283 struct ata_raid_subdisk *ars = device_get_softc(subdisk); 1284 1285 if (ars->raid[rdp->volume]) 1286 return EBUSY; 1287 1288 /* XXX SOS validate size etc etc */ 1289 ars->raid[rdp->volume] = rdp; 1290 ars->disk_number[rdp->volume] = disk; 1291 rdp->disks[disk].dev = device_get_parent(subdisk); 1292 rdp->disks[disk].flags = 1293 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE); 1294 1295 device_printf(rdp->disks[disk].dev, 1296 "inserted into ar%d disk%d as spare\n", 1297 rdp->lun, disk); 1298 ata_raid_config_changed(rdp, 1); 1299 return 0; 1300 } 1301 } 1302 return ENXIO; 1303 1304 default: 1305 return EPERM; 1306 } 1307 } 1308 1309 static int 1310 ata_raid_rebuild(int array) 1311 { 1312 struct ar_softc *rdp; 1313 int disk, count; 1314 1315 if (!(rdp = ata_raid_arrays[array])) 1316 return ENXIO; 1317 /* XXX SOS we should lock the rdp softc here */ 1318 if (!(rdp->status & AR_S_DEGRADED) || !(rdp->status & AR_S_READY)) 1319 return ENXIO; 1320 if (rdp->status & AR_S_REBUILDING) 1321 return EBUSY; 1322 1323 switch (rdp->type) { 1324 case AR_T_RAID1: 1325 case AR_T_RAID01: 1326 case AR_T_RAID5: 1327 for (count = 0, disk = 0; disk < rdp->total_disks; disk++ ) { 1328 if (((rdp->disks[disk].flags & 1329 (AR_DF_PRESENT|AR_DF_ASSIGNED|AR_DF_ONLINE|AR_DF_SPARE)) == 1330 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE)) && 1331 rdp->disks[disk].dev) { 1332 count++; 1333 } 1334 } 1335 1336 if (count) { 1337 rdp->rebuild_lba = 0; 1338 rdp->status |= AR_S_REBUILDING; 1339 return 0; 1340 } 1341 return EIO; 1342 1343 default: 1344 return EPERM; 1345 } 1346 } 1347 1348 static int 1349 ata_raid_read_metadata(device_t subdisk) 1350 { 1351 devclass_t pci_devclass = devclass_find("pci"); 1352 devclass_t devclass=device_get_devclass(GRANDPARENT(GRANDPARENT(subdisk))); 1353 1354 /* prioritize vendor native metadata layout if possible */ 1355 if (devclass == pci_devclass) { 1356 switch (pci_get_vendor(GRANDPARENT(device_get_parent(subdisk)))) { 1357 case ATA_HIGHPOINT_ID: 1358 if (ata_raid_hptv3_read_meta(subdisk, ata_raid_arrays)) 1359 return 0; 1360 if (ata_raid_hptv2_read_meta(subdisk, ata_raid_arrays)) 1361 return 0; 1362 break; 1363 1364 case ATA_INTEL_ID: 1365 if (ata_raid_intel_read_meta(subdisk, ata_raid_arrays)) 1366 return 0; 1367 break; 1368 1369 case ATA_ITE_ID: 1370 if (ata_raid_ite_read_meta(subdisk, ata_raid_arrays)) 1371 return 0; 1372 break; 1373 1374 case ATA_JMICRON_ID: 1375 if (ata_raid_jmicron_read_meta(subdisk, ata_raid_arrays)) 1376 return 0; 1377 break; 1378 1379 case ATA_NVIDIA_ID: 1380 if (ata_raid_nvidia_read_meta(subdisk, ata_raid_arrays)) 1381 return 0; 1382 break; 1383 1384 case 0: /* XXX SOS cover up for bug in our PCI code */ 1385 case ATA_PROMISE_ID: 1386 if (ata_raid_promise_read_meta(subdisk, ata_raid_arrays, 0)) 1387 return 0; 1388 break; 1389 1390 case ATA_ATI_ID: 1391 case ATA_SILICON_IMAGE_ID: 1392 if (ata_raid_sii_read_meta(subdisk, ata_raid_arrays)) 1393 return 0; 1394 break; 1395 1396 case ATA_SIS_ID: 1397 if (ata_raid_sis_read_meta(subdisk, ata_raid_arrays)) 1398 return 0; 1399 break; 1400 1401 case ATA_VIA_ID: 1402 if (ata_raid_via_read_meta(subdisk, ata_raid_arrays)) 1403 return 0; 1404 break; 1405 } 1406 } 1407 1408 /* handle controllers that have multiple layout possibilities */ 1409 /* NOTE: the order of these are not insignificant */ 1410 1411 /* Adaptec HostRAID */ 1412 if (ata_raid_adaptec_read_meta(subdisk, ata_raid_arrays)) 1413 return 0; 1414 1415 /* LSILogic v3 and v2 */ 1416 if (ata_raid_lsiv3_read_meta(subdisk, ata_raid_arrays)) 1417 return 0; 1418 if (ata_raid_lsiv2_read_meta(subdisk, ata_raid_arrays)) 1419 return 0; 1420 1421 /* if none of the above matched, try FreeBSD native format */ 1422 return ata_raid_promise_read_meta(subdisk, ata_raid_arrays, 1); 1423 } 1424 1425 static int 1426 ata_raid_write_metadata(struct ar_softc *rdp) 1427 { 1428 switch (rdp->format) { 1429 case AR_F_FREEBSD_RAID: 1430 case AR_F_PROMISE_RAID: 1431 return ata_raid_promise_write_meta(rdp); 1432 1433 case AR_F_HPTV3_RAID: 1434 case AR_F_HPTV2_RAID: 1435 /* 1436 * always write HPT v2 metadata, the v3 BIOS knows it as well. 1437 * this is handy since we cannot know what version BIOS is on there 1438 */ 1439 return ata_raid_hptv2_write_meta(rdp); 1440 1441 case AR_F_INTEL_RAID: 1442 return ata_raid_intel_write_meta(rdp); 1443 1444 case AR_F_JMICRON_RAID: 1445 return ata_raid_jmicron_write_meta(rdp); 1446 1447 case AR_F_SIS_RAID: 1448 return ata_raid_sis_write_meta(rdp); 1449 1450 case AR_F_VIA_RAID: 1451 return ata_raid_via_write_meta(rdp); 1452 #if 0 1453 case AR_F_HPTV3_RAID: 1454 return ata_raid_hptv3_write_meta(rdp); 1455 1456 case AR_F_ADAPTEC_RAID: 1457 return ata_raid_adaptec_write_meta(rdp); 1458 1459 case AR_F_ITE_RAID: 1460 return ata_raid_ite_write_meta(rdp); 1461 1462 case AR_F_LSIV2_RAID: 1463 return ata_raid_lsiv2_write_meta(rdp); 1464 1465 case AR_F_LSIV3_RAID: 1466 return ata_raid_lsiv3_write_meta(rdp); 1467 1468 case AR_F_NVIDIA_RAID: 1469 return ata_raid_nvidia_write_meta(rdp); 1470 1471 case AR_F_SII_RAID: 1472 return ata_raid_sii_write_meta(rdp); 1473 1474 #endif 1475 default: 1476 kprintf("ar%d: writing of %s metadata is NOT supported yet\n", 1477 rdp->lun, ata_raid_format(rdp)); 1478 } 1479 return -1; 1480 } 1481 1482 static int 1483 ata_raid_wipe_metadata(struct ar_softc *rdp) 1484 { 1485 int disk, error = 0; 1486 u_int64_t lba; 1487 u_int32_t size; 1488 u_int8_t *meta; 1489 1490 for (disk = 0; disk < rdp->total_disks; disk++) { 1491 if (rdp->disks[disk].dev) { 1492 switch (rdp->format) { 1493 case AR_F_ADAPTEC_RAID: 1494 lba = ADP_LBA(rdp->disks[disk].dev); 1495 size = sizeof(struct adaptec_raid_conf); 1496 break; 1497 1498 case AR_F_HPTV2_RAID: 1499 lba = HPTV2_LBA(rdp->disks[disk].dev); 1500 size = sizeof(struct hptv2_raid_conf); 1501 break; 1502 1503 case AR_F_HPTV3_RAID: 1504 lba = HPTV3_LBA(rdp->disks[disk].dev); 1505 size = sizeof(struct hptv3_raid_conf); 1506 break; 1507 1508 case AR_F_INTEL_RAID: 1509 lba = INTEL_LBA(rdp->disks[disk].dev); 1510 size = 3 * 512; /* XXX SOS */ 1511 break; 1512 1513 case AR_F_ITE_RAID: 1514 lba = ITE_LBA(rdp->disks[disk].dev); 1515 size = sizeof(struct ite_raid_conf); 1516 break; 1517 1518 case AR_F_JMICRON_RAID: 1519 lba = JMICRON_LBA(rdp->disks[disk].dev); 1520 size = sizeof(struct jmicron_raid_conf); 1521 break; 1522 1523 case AR_F_LSIV2_RAID: 1524 lba = LSIV2_LBA(rdp->disks[disk].dev); 1525 size = sizeof(struct lsiv2_raid_conf); 1526 break; 1527 1528 case AR_F_LSIV3_RAID: 1529 lba = LSIV3_LBA(rdp->disks[disk].dev); 1530 size = sizeof(struct lsiv3_raid_conf); 1531 break; 1532 1533 case AR_F_NVIDIA_RAID: 1534 lba = NVIDIA_LBA(rdp->disks[disk].dev); 1535 size = sizeof(struct nvidia_raid_conf); 1536 break; 1537 1538 case AR_F_FREEBSD_RAID: 1539 case AR_F_PROMISE_RAID: 1540 lba = PROMISE_LBA(rdp->disks[disk].dev); 1541 size = sizeof(struct promise_raid_conf); 1542 break; 1543 1544 case AR_F_SII_RAID: 1545 lba = SII_LBA(rdp->disks[disk].dev); 1546 size = sizeof(struct sii_raid_conf); 1547 break; 1548 1549 case AR_F_SIS_RAID: 1550 lba = SIS_LBA(rdp->disks[disk].dev); 1551 size = sizeof(struct sis_raid_conf); 1552 break; 1553 1554 case AR_F_VIA_RAID: 1555 lba = VIA_LBA(rdp->disks[disk].dev); 1556 size = sizeof(struct via_raid_conf); 1557 break; 1558 1559 default: 1560 kprintf("ar%d: wiping of %s metadata is NOT supported yet\n", 1561 rdp->lun, ata_raid_format(rdp)); 1562 return ENXIO; 1563 } 1564 if (!(meta = kmalloc(size, M_AR, M_WAITOK | M_ZERO))) 1565 return ENOMEM; 1566 if (ata_raid_rw(rdp->disks[disk].dev, lba, meta, size, 1567 ATA_R_WRITE | ATA_R_DIRECT)) { 1568 device_printf(rdp->disks[disk].dev, "wipe metadata failed\n"); 1569 error = EIO; 1570 } 1571 kfree(meta, M_AR); 1572 } 1573 } 1574 return error; 1575 } 1576 1577 /* Adaptec HostRAID Metadata */ 1578 static int 1579 ata_raid_adaptec_read_meta(device_t dev, struct ar_softc **raidp) 1580 { 1581 struct ata_raid_subdisk *ars = device_get_softc(dev); 1582 device_t parent = device_get_parent(dev); 1583 struct adaptec_raid_conf *meta; 1584 struct ar_softc *raid; 1585 int array, disk, retval = 0; 1586 1587 if (!(meta = (struct adaptec_raid_conf *) 1588 kmalloc(sizeof(struct adaptec_raid_conf), M_AR, M_WAITOK | M_ZERO))) 1589 return ENOMEM; 1590 1591 if (ata_raid_rw(parent, ADP_LBA(parent), 1592 meta, sizeof(struct adaptec_raid_conf), ATA_R_READ)) { 1593 if (testing || bootverbose) 1594 device_printf(parent, "Adaptec read metadata failed\n"); 1595 goto adaptec_out; 1596 } 1597 1598 /* check if this is a Adaptec RAID struct */ 1599 if (meta->magic_0 != ADP_MAGIC_0 || meta->magic_3 != ADP_MAGIC_3) { 1600 if (testing || bootverbose) 1601 device_printf(parent, "Adaptec check1 failed\n"); 1602 goto adaptec_out; 1603 } 1604 1605 if (testing || bootverbose) 1606 ata_raid_adaptec_print_meta(meta); 1607 1608 /* now convert Adaptec metadata into our generic form */ 1609 for (array = 0; array < MAX_ARRAYS; array++) { 1610 if (!raidp[array]) { 1611 raidp[array] = 1612 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 1613 M_WAITOK | M_ZERO); 1614 if (!raidp[array]) { 1615 device_printf(parent, "failed to allocate metadata storage\n"); 1616 goto adaptec_out; 1617 } 1618 } 1619 raid = raidp[array]; 1620 if (raid->format && (raid->format != AR_F_ADAPTEC_RAID)) 1621 continue; 1622 1623 if (raid->magic_0 && raid->magic_0 != meta->configs[0].magic_0) 1624 continue; 1625 1626 if (!meta->generation || be32toh(meta->generation) > raid->generation) { 1627 switch (meta->configs[0].type) { 1628 case ADP_T_RAID0: 1629 raid->magic_0 = meta->configs[0].magic_0; 1630 raid->type = AR_T_RAID0; 1631 raid->interleave = 1 << (meta->configs[0].stripe_shift >> 1); 1632 raid->width = be16toh(meta->configs[0].total_disks); 1633 break; 1634 1635 case ADP_T_RAID1: 1636 raid->magic_0 = meta->configs[0].magic_0; 1637 raid->type = AR_T_RAID1; 1638 raid->width = be16toh(meta->configs[0].total_disks) / 2; 1639 break; 1640 1641 default: 1642 device_printf(parent, "Adaptec unknown RAID type 0x%02x\n", 1643 meta->configs[0].type); 1644 kfree(raidp[array], M_AR); 1645 raidp[array] = NULL; 1646 goto adaptec_out; 1647 } 1648 1649 raid->format = AR_F_ADAPTEC_RAID; 1650 raid->generation = be32toh(meta->generation); 1651 raid->total_disks = be16toh(meta->configs[0].total_disks); 1652 raid->total_sectors = be32toh(meta->configs[0].sectors); 1653 raid->heads = 255; 1654 raid->sectors = 63; 1655 raid->cylinders = raid->total_sectors / (63 * 255); 1656 raid->offset_sectors = 0; 1657 raid->rebuild_lba = 0; 1658 raid->lun = array; 1659 strncpy(raid->name, meta->configs[0].name, 1660 min(sizeof(raid->name), sizeof(meta->configs[0].name))); 1661 1662 /* clear out any old info */ 1663 if (raid->generation) { 1664 for (disk = 0; disk < raid->total_disks; disk++) { 1665 raid->disks[disk].dev = NULL; 1666 raid->disks[disk].flags = 0; 1667 } 1668 } 1669 } 1670 if (be32toh(meta->generation) >= raid->generation) { 1671 struct ata_device *atadev = device_get_softc(parent); 1672 struct ata_channel *ch = device_get_softc(GRANDPARENT(dev)); 1673 int disk_number = (ch->unit << !(ch->flags & ATA_NO_SLAVE)) + 1674 ATA_DEV(atadev->unit); 1675 1676 raid->disks[disk_number].dev = parent; 1677 raid->disks[disk_number].sectors = 1678 be32toh(meta->configs[disk_number + 1].sectors); 1679 raid->disks[disk_number].flags = 1680 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 1681 ars->raid[raid->volume] = raid; 1682 ars->disk_number[raid->volume] = disk_number; 1683 retval = 1; 1684 } 1685 break; 1686 } 1687 1688 adaptec_out: 1689 kfree(meta, M_AR); 1690 return retval; 1691 } 1692 1693 /* Highpoint V2 RocketRAID Metadata */ 1694 static int 1695 ata_raid_hptv2_read_meta(device_t dev, struct ar_softc **raidp) 1696 { 1697 struct ata_raid_subdisk *ars = device_get_softc(dev); 1698 device_t parent = device_get_parent(dev); 1699 struct hptv2_raid_conf *meta; 1700 struct ar_softc *raid = NULL; 1701 int array, disk_number = 0, retval = 0; 1702 1703 if (!(meta = (struct hptv2_raid_conf *) 1704 kmalloc(sizeof(struct hptv2_raid_conf), M_AR, M_WAITOK | M_ZERO))) 1705 return ENOMEM; 1706 1707 if (ata_raid_rw(parent, HPTV2_LBA(parent), 1708 meta, sizeof(struct hptv2_raid_conf), ATA_R_READ)) { 1709 if (testing || bootverbose) 1710 device_printf(parent, "HighPoint (v2) read metadata failed\n"); 1711 goto hptv2_out; 1712 } 1713 1714 /* check if this is a HighPoint v2 RAID struct */ 1715 if (meta->magic != HPTV2_MAGIC_OK && meta->magic != HPTV2_MAGIC_BAD) { 1716 if (testing || bootverbose) 1717 device_printf(parent, "HighPoint (v2) check1 failed\n"); 1718 goto hptv2_out; 1719 } 1720 1721 /* is this disk defined, or an old leftover/spare ? */ 1722 if (!meta->magic_0) { 1723 if (testing || bootverbose) 1724 device_printf(parent, "HighPoint (v2) check2 failed\n"); 1725 goto hptv2_out; 1726 } 1727 1728 if (testing || bootverbose) 1729 ata_raid_hptv2_print_meta(meta); 1730 1731 /* now convert HighPoint (v2) metadata into our generic form */ 1732 for (array = 0; array < MAX_ARRAYS; array++) { 1733 if (!raidp[array]) { 1734 raidp[array] = 1735 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 1736 M_WAITOK | M_ZERO); 1737 if (!raidp[array]) { 1738 device_printf(parent, "failed to allocate metadata storage\n"); 1739 goto hptv2_out; 1740 } 1741 } 1742 raid = raidp[array]; 1743 if (raid->format && (raid->format != AR_F_HPTV2_RAID)) 1744 continue; 1745 1746 switch (meta->type) { 1747 case HPTV2_T_RAID0: 1748 if ((meta->order & (HPTV2_O_RAID0|HPTV2_O_OK)) == 1749 (HPTV2_O_RAID0|HPTV2_O_OK)) 1750 goto highpoint_raid1; 1751 if (meta->order & (HPTV2_O_RAID0 | HPTV2_O_RAID1)) 1752 goto highpoint_raid01; 1753 if (raid->magic_0 && raid->magic_0 != meta->magic_0) 1754 continue; 1755 raid->magic_0 = meta->magic_0; 1756 raid->type = AR_T_RAID0; 1757 raid->interleave = 1 << meta->stripe_shift; 1758 disk_number = meta->disk_number; 1759 if (!(meta->order & HPTV2_O_OK)) 1760 meta->magic = 0; /* mark bad */ 1761 break; 1762 1763 case HPTV2_T_RAID1: 1764 highpoint_raid1: 1765 if (raid->magic_0 && raid->magic_0 != meta->magic_0) 1766 continue; 1767 raid->magic_0 = meta->magic_0; 1768 raid->type = AR_T_RAID1; 1769 disk_number = (meta->disk_number > 0); 1770 break; 1771 1772 case HPTV2_T_RAID01_RAID0: 1773 highpoint_raid01: 1774 if (meta->order & HPTV2_O_RAID0) { 1775 if ((raid->magic_0 && raid->magic_0 != meta->magic_0) || 1776 (raid->magic_1 && raid->magic_1 != meta->magic_1)) 1777 continue; 1778 raid->magic_0 = meta->magic_0; 1779 raid->magic_1 = meta->magic_1; 1780 raid->type = AR_T_RAID01; 1781 raid->interleave = 1 << meta->stripe_shift; 1782 disk_number = meta->disk_number; 1783 } 1784 else { 1785 if (raid->magic_1 && raid->magic_1 != meta->magic_1) 1786 continue; 1787 raid->magic_1 = meta->magic_1; 1788 raid->type = AR_T_RAID01; 1789 raid->interleave = 1 << meta->stripe_shift; 1790 disk_number = meta->disk_number + meta->array_width; 1791 if (!(meta->order & HPTV2_O_RAID1)) 1792 meta->magic = 0; /* mark bad */ 1793 } 1794 break; 1795 1796 case HPTV2_T_SPAN: 1797 if (raid->magic_0 && raid->magic_0 != meta->magic_0) 1798 continue; 1799 raid->magic_0 = meta->magic_0; 1800 raid->type = AR_T_SPAN; 1801 disk_number = meta->disk_number; 1802 break; 1803 1804 default: 1805 device_printf(parent, "Highpoint (v2) unknown RAID type 0x%02x\n", 1806 meta->type); 1807 kfree(raidp[array], M_AR); 1808 raidp[array] = NULL; 1809 goto hptv2_out; 1810 } 1811 1812 raid->format |= AR_F_HPTV2_RAID; 1813 raid->disks[disk_number].dev = parent; 1814 raid->disks[disk_number].flags = (AR_DF_PRESENT | AR_DF_ASSIGNED); 1815 raid->lun = array; 1816 strncpy(raid->name, meta->name_1, 1817 min(sizeof(raid->name), sizeof(meta->name_1))); 1818 if (meta->magic == HPTV2_MAGIC_OK) { 1819 raid->disks[disk_number].flags |= AR_DF_ONLINE; 1820 raid->width = meta->array_width; 1821 raid->total_sectors = meta->total_sectors; 1822 raid->heads = 255; 1823 raid->sectors = 63; 1824 raid->cylinders = raid->total_sectors / (63 * 255); 1825 raid->offset_sectors = HPTV2_LBA(parent) + 1; 1826 raid->rebuild_lba = meta->rebuild_lba; 1827 raid->disks[disk_number].sectors = 1828 raid->total_sectors / raid->width; 1829 } 1830 else 1831 raid->disks[disk_number].flags &= ~AR_DF_ONLINE; 1832 1833 if ((raid->type & AR_T_RAID0) && (raid->total_disks < raid->width)) 1834 raid->total_disks = raid->width; 1835 if (disk_number >= raid->total_disks) 1836 raid->total_disks = disk_number + 1; 1837 ars->raid[raid->volume] = raid; 1838 ars->disk_number[raid->volume] = disk_number; 1839 retval = 1; 1840 break; 1841 } 1842 1843 hptv2_out: 1844 kfree(meta, M_AR); 1845 return retval; 1846 } 1847 1848 static int 1849 ata_raid_hptv2_write_meta(struct ar_softc *rdp) 1850 { 1851 struct hptv2_raid_conf *meta; 1852 struct timeval timestamp; 1853 int disk, error = 0; 1854 1855 if (!(meta = (struct hptv2_raid_conf *) 1856 kmalloc(sizeof(struct hptv2_raid_conf), M_AR, M_WAITOK | M_ZERO))) { 1857 kprintf("ar%d: failed to allocate metadata storage\n", rdp->lun); 1858 return ENOMEM; 1859 } 1860 1861 microtime(×tamp); 1862 rdp->magic_0 = timestamp.tv_sec + 2; 1863 rdp->magic_1 = timestamp.tv_sec; 1864 1865 for (disk = 0; disk < rdp->total_disks; disk++) { 1866 if ((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) == 1867 (AR_DF_PRESENT | AR_DF_ONLINE)) 1868 meta->magic = HPTV2_MAGIC_OK; 1869 if (rdp->disks[disk].flags & AR_DF_ASSIGNED) { 1870 meta->magic_0 = rdp->magic_0; 1871 if (strlen(rdp->name)) 1872 strncpy(meta->name_1, rdp->name, sizeof(meta->name_1)); 1873 else 1874 strcpy(meta->name_1, "FreeBSD"); 1875 } 1876 meta->disk_number = disk; 1877 1878 switch (rdp->type) { 1879 case AR_T_RAID0: 1880 meta->type = HPTV2_T_RAID0; 1881 strcpy(meta->name_2, "RAID 0"); 1882 if (rdp->disks[disk].flags & AR_DF_ONLINE) 1883 meta->order = HPTV2_O_OK; 1884 break; 1885 1886 case AR_T_RAID1: 1887 meta->type = HPTV2_T_RAID0; 1888 strcpy(meta->name_2, "RAID 1"); 1889 meta->disk_number = (disk < rdp->width) ? disk : disk + 5; 1890 meta->order = HPTV2_O_RAID0 | HPTV2_O_OK; 1891 break; 1892 1893 case AR_T_RAID01: 1894 meta->type = HPTV2_T_RAID01_RAID0; 1895 strcpy(meta->name_2, "RAID 0+1"); 1896 if (rdp->disks[disk].flags & AR_DF_ONLINE) { 1897 if (disk < rdp->width) { 1898 meta->order = (HPTV2_O_RAID0 | HPTV2_O_RAID1); 1899 meta->magic_0 = rdp->magic_0 - 1; 1900 } 1901 else { 1902 meta->order = HPTV2_O_RAID1; 1903 meta->disk_number -= rdp->width; 1904 } 1905 } 1906 else 1907 meta->magic_0 = rdp->magic_0 - 1; 1908 meta->magic_1 = rdp->magic_1; 1909 break; 1910 1911 case AR_T_SPAN: 1912 meta->type = HPTV2_T_SPAN; 1913 strcpy(meta->name_2, "SPAN"); 1914 break; 1915 default: 1916 kfree(meta, M_AR); 1917 return ENODEV; 1918 } 1919 1920 meta->array_width = rdp->width; 1921 meta->stripe_shift = (rdp->width > 1) ? (ffs(rdp->interleave)-1) : 0; 1922 meta->total_sectors = rdp->total_sectors; 1923 meta->rebuild_lba = rdp->rebuild_lba; 1924 if (testing || bootverbose) 1925 ata_raid_hptv2_print_meta(meta); 1926 if (rdp->disks[disk].dev) { 1927 if (ata_raid_rw(rdp->disks[disk].dev, 1928 HPTV2_LBA(rdp->disks[disk].dev), meta, 1929 sizeof(struct promise_raid_conf), 1930 ATA_R_WRITE | ATA_R_DIRECT)) { 1931 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 1932 error = EIO; 1933 } 1934 } 1935 } 1936 kfree(meta, M_AR); 1937 return error; 1938 } 1939 1940 /* Highpoint V3 RocketRAID Metadata */ 1941 static int 1942 ata_raid_hptv3_read_meta(device_t dev, struct ar_softc **raidp) 1943 { 1944 struct ata_raid_subdisk *ars = device_get_softc(dev); 1945 device_t parent = device_get_parent(dev); 1946 struct hptv3_raid_conf *meta; 1947 struct ar_softc *raid = NULL; 1948 int array, disk_number, retval = 0; 1949 1950 if (!(meta = (struct hptv3_raid_conf *) 1951 kmalloc(sizeof(struct hptv3_raid_conf), M_AR, M_WAITOK | M_ZERO))) 1952 return ENOMEM; 1953 1954 if (ata_raid_rw(parent, HPTV3_LBA(parent), 1955 meta, sizeof(struct hptv3_raid_conf), ATA_R_READ)) { 1956 if (testing || bootverbose) 1957 device_printf(parent, "HighPoint (v3) read metadata failed\n"); 1958 goto hptv3_out; 1959 } 1960 1961 /* check if this is a HighPoint v3 RAID struct */ 1962 if (meta->magic != HPTV3_MAGIC) { 1963 if (testing || bootverbose) 1964 device_printf(parent, "HighPoint (v3) check1 failed\n"); 1965 goto hptv3_out; 1966 } 1967 1968 /* check if there are any config_entries */ 1969 if (meta->config_entries < 1) { 1970 if (testing || bootverbose) 1971 device_printf(parent, "HighPoint (v3) check2 failed\n"); 1972 goto hptv3_out; 1973 } 1974 1975 if (testing || bootverbose) 1976 ata_raid_hptv3_print_meta(meta); 1977 1978 /* now convert HighPoint (v3) metadata into our generic form */ 1979 for (array = 0; array < MAX_ARRAYS; array++) { 1980 if (!raidp[array]) { 1981 raidp[array] = 1982 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 1983 M_WAITOK | M_ZERO); 1984 if (!raidp[array]) { 1985 device_printf(parent, "failed to allocate metadata storage\n"); 1986 goto hptv3_out; 1987 } 1988 } 1989 raid = raidp[array]; 1990 if (raid->format && (raid->format != AR_F_HPTV3_RAID)) 1991 continue; 1992 1993 if ((raid->format & AR_F_HPTV3_RAID) && raid->magic_0 != meta->magic_0) 1994 continue; 1995 1996 switch (meta->configs[0].type) { 1997 case HPTV3_T_RAID0: 1998 raid->type = AR_T_RAID0; 1999 raid->width = meta->configs[0].total_disks; 2000 disk_number = meta->configs[0].disk_number; 2001 break; 2002 2003 case HPTV3_T_RAID1: 2004 raid->type = AR_T_RAID1; 2005 raid->width = meta->configs[0].total_disks / 2; 2006 disk_number = meta->configs[0].disk_number; 2007 break; 2008 2009 case HPTV3_T_RAID5: 2010 raid->type = AR_T_RAID5; 2011 raid->width = meta->configs[0].total_disks; 2012 disk_number = meta->configs[0].disk_number; 2013 break; 2014 2015 case HPTV3_T_SPAN: 2016 raid->type = AR_T_SPAN; 2017 raid->width = meta->configs[0].total_disks; 2018 disk_number = meta->configs[0].disk_number; 2019 break; 2020 2021 default: 2022 device_printf(parent, "Highpoint (v3) unknown RAID type 0x%02x\n", 2023 meta->configs[0].type); 2024 kfree(raidp[array], M_AR); 2025 raidp[array] = NULL; 2026 goto hptv3_out; 2027 } 2028 if (meta->config_entries == 2) { 2029 switch (meta->configs[1].type) { 2030 case HPTV3_T_RAID1: 2031 if (raid->type == AR_T_RAID0) { 2032 raid->type = AR_T_RAID01; 2033 disk_number = meta->configs[1].disk_number + 2034 (meta->configs[0].disk_number << 1); 2035 break; 2036 } 2037 default: 2038 device_printf(parent, "Highpoint (v3) unknown level 2 0x%02x\n", 2039 meta->configs[1].type); 2040 kfree(raidp[array], M_AR); 2041 raidp[array] = NULL; 2042 goto hptv3_out; 2043 } 2044 } 2045 2046 raid->magic_0 = meta->magic_0; 2047 raid->format = AR_F_HPTV3_RAID; 2048 raid->generation = meta->timestamp; 2049 raid->interleave = 1 << meta->configs[0].stripe_shift; 2050 raid->total_disks = meta->configs[0].total_disks + 2051 meta->configs[1].total_disks; 2052 raid->total_sectors = meta->configs[0].total_sectors + 2053 ((u_int64_t)meta->configs_high[0].total_sectors << 32); 2054 raid->heads = 255; 2055 raid->sectors = 63; 2056 raid->cylinders = raid->total_sectors / (63 * 255); 2057 raid->offset_sectors = 0; 2058 raid->rebuild_lba = meta->configs[0].rebuild_lba + 2059 ((u_int64_t)meta->configs_high[0].rebuild_lba << 32); 2060 raid->lun = array; 2061 strncpy(raid->name, meta->name, 2062 min(sizeof(raid->name), sizeof(meta->name))); 2063 raid->disks[disk_number].sectors = raid->total_sectors / 2064 (raid->type == AR_T_RAID5 ? raid->width - 1 : raid->width); 2065 raid->disks[disk_number].dev = parent; 2066 raid->disks[disk_number].flags = 2067 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 2068 ars->raid[raid->volume] = raid; 2069 ars->disk_number[raid->volume] = disk_number; 2070 retval = 1; 2071 break; 2072 } 2073 2074 hptv3_out: 2075 kfree(meta, M_AR); 2076 return retval; 2077 } 2078 2079 /* Intel MatrixRAID Metadata */ 2080 static int 2081 ata_raid_intel_read_meta(device_t dev, struct ar_softc **raidp) 2082 { 2083 struct ata_raid_subdisk *ars = device_get_softc(dev); 2084 device_t parent = device_get_parent(dev); 2085 struct intel_raid_conf *meta; 2086 struct intel_raid_mapping *map; 2087 struct ar_softc *raid = NULL; 2088 u_int32_t checksum, *ptr; 2089 int array, count, disk, volume = 1, retval = 0; 2090 char *tmp; 2091 2092 if (!(meta = (struct intel_raid_conf *) 2093 kmalloc(1536, M_AR, M_WAITOK | M_ZERO))) 2094 return ENOMEM; 2095 2096 if (ata_raid_rw(parent, INTEL_LBA(parent), meta, 1024, ATA_R_READ)) { 2097 if (testing || bootverbose) 2098 device_printf(parent, "Intel read metadata failed\n"); 2099 goto intel_out; 2100 } 2101 tmp = (char *)meta; 2102 bcopy(tmp, tmp+1024, 512); 2103 bcopy(tmp+512, tmp, 1024); 2104 bzero(tmp+1024, 512); 2105 2106 /* check if this is a Intel RAID struct */ 2107 if (strncmp(meta->intel_id, INTEL_MAGIC, strlen(INTEL_MAGIC))) { 2108 if (testing || bootverbose) 2109 device_printf(parent, "Intel check1 failed\n"); 2110 goto intel_out; 2111 } 2112 2113 for (checksum = 0, ptr = (u_int32_t *)meta, count = 0; 2114 count < (meta->config_size / sizeof(u_int32_t)); count++) { 2115 checksum += *ptr++; 2116 } 2117 checksum -= meta->checksum; 2118 if (checksum != meta->checksum) { 2119 if (testing || bootverbose) 2120 device_printf(parent, "Intel check2 failed\n"); 2121 goto intel_out; 2122 } 2123 2124 if (testing || bootverbose) 2125 ata_raid_intel_print_meta(meta); 2126 2127 map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks]; 2128 2129 /* now convert Intel metadata into our generic form */ 2130 for (array = 0; array < MAX_ARRAYS; array++) { 2131 if (!raidp[array]) { 2132 raidp[array] = 2133 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2134 M_WAITOK | M_ZERO); 2135 if (!raidp[array]) { 2136 device_printf(parent, "failed to allocate metadata storage\n"); 2137 goto intel_out; 2138 } 2139 } 2140 raid = raidp[array]; 2141 if (raid->format && (raid->format != AR_F_INTEL_RAID)) 2142 continue; 2143 2144 if ((raid->format & AR_F_INTEL_RAID) && 2145 (raid->magic_0 != meta->config_id)) 2146 continue; 2147 2148 /* 2149 * update our knowledge about the array config based on generation 2150 * NOTE: there can be multiple volumes on a disk set 2151 */ 2152 if (!meta->generation || meta->generation > raid->generation) { 2153 switch (map->type) { 2154 case INTEL_T_RAID0: 2155 raid->type = AR_T_RAID0; 2156 raid->width = map->total_disks; 2157 break; 2158 2159 case INTEL_T_RAID1: 2160 if (map->total_disks == 4) 2161 raid->type = AR_T_RAID01; 2162 else 2163 raid->type = AR_T_RAID1; 2164 raid->width = map->total_disks / 2; 2165 break; 2166 2167 case INTEL_T_RAID5: 2168 raid->type = AR_T_RAID5; 2169 raid->width = map->total_disks; 2170 break; 2171 2172 default: 2173 device_printf(parent, "Intel unknown RAID type 0x%02x\n", 2174 map->type); 2175 kfree(raidp[array], M_AR); 2176 raidp[array] = NULL; 2177 goto intel_out; 2178 } 2179 2180 switch (map->status) { 2181 case INTEL_S_READY: 2182 raid->status = AR_S_READY; 2183 break; 2184 case INTEL_S_DEGRADED: 2185 raid->status |= AR_S_DEGRADED; 2186 break; 2187 case INTEL_S_DISABLED: 2188 case INTEL_S_FAILURE: 2189 raid->status = 0; 2190 } 2191 2192 raid->magic_0 = meta->config_id; 2193 raid->format = AR_F_INTEL_RAID; 2194 raid->generation = meta->generation; 2195 raid->interleave = map->stripe_sectors; 2196 raid->total_disks = map->total_disks; 2197 raid->total_sectors = map->total_sectors; 2198 raid->heads = 255; 2199 raid->sectors = 63; 2200 raid->cylinders = raid->total_sectors / (63 * 255); 2201 raid->offset_sectors = map->offset; 2202 raid->rebuild_lba = 0; 2203 raid->lun = array; 2204 raid->volume = volume - 1; 2205 strncpy(raid->name, map->name, 2206 min(sizeof(raid->name), sizeof(map->name))); 2207 2208 /* clear out any old info */ 2209 for (disk = 0; disk < raid->total_disks; disk++) { 2210 raid->disks[disk].dev = NULL; 2211 bcopy(meta->disk[map->disk_idx[disk]].serial, 2212 raid->disks[disk].serial, 2213 sizeof(raid->disks[disk].serial)); 2214 raid->disks[disk].sectors = 2215 meta->disk[map->disk_idx[disk]].sectors; 2216 raid->disks[disk].flags = 0; 2217 if (meta->disk[map->disk_idx[disk]].flags & INTEL_F_ONLINE) 2218 raid->disks[disk].flags |= AR_DF_ONLINE; 2219 if (meta->disk[map->disk_idx[disk]].flags & INTEL_F_ASSIGNED) 2220 raid->disks[disk].flags |= AR_DF_ASSIGNED; 2221 if (meta->disk[map->disk_idx[disk]].flags & INTEL_F_SPARE) { 2222 raid->disks[disk].flags &= ~(AR_DF_ONLINE | AR_DF_ASSIGNED); 2223 raid->disks[disk].flags |= AR_DF_SPARE; 2224 } 2225 if (meta->disk[map->disk_idx[disk]].flags & INTEL_F_DOWN) 2226 raid->disks[disk].flags &= ~AR_DF_ONLINE; 2227 } 2228 } 2229 if (meta->generation >= raid->generation) { 2230 for (disk = 0; disk < raid->total_disks; disk++) { 2231 struct ata_device *atadev = device_get_softc(parent); 2232 2233 if (!strncmp(raid->disks[disk].serial, atadev->param.serial, 2234 sizeof(raid->disks[disk].serial))) { 2235 raid->disks[disk].dev = parent; 2236 raid->disks[disk].flags |= (AR_DF_PRESENT | AR_DF_ONLINE); 2237 ars->raid[raid->volume] = raid; 2238 ars->disk_number[raid->volume] = disk; 2239 retval = 1; 2240 } 2241 } 2242 } 2243 else 2244 goto intel_out; 2245 2246 if (retval) { 2247 if (volume < meta->total_volumes) { 2248 map = (struct intel_raid_mapping *) 2249 &map->disk_idx[map->total_disks]; 2250 volume++; 2251 retval = 0; 2252 continue; 2253 } 2254 break; 2255 } 2256 else { 2257 kfree(raidp[array], M_AR); 2258 raidp[array] = NULL; 2259 if (volume == 2) 2260 retval = 1; 2261 } 2262 } 2263 2264 intel_out: 2265 kfree(meta, M_AR); 2266 return retval; 2267 } 2268 2269 static int 2270 ata_raid_intel_write_meta(struct ar_softc *rdp) 2271 { 2272 struct intel_raid_conf *meta; 2273 struct intel_raid_mapping *map; 2274 struct timeval timestamp; 2275 u_int32_t checksum, *ptr; 2276 int count, disk, error = 0; 2277 char *tmp; 2278 2279 if (!(meta = (struct intel_raid_conf *) 2280 kmalloc(1536, M_AR, M_WAITOK | M_ZERO))) { 2281 kprintf("ar%d: failed to allocate metadata storage\n", rdp->lun); 2282 return ENOMEM; 2283 } 2284 2285 rdp->generation++; 2286 microtime(×tamp); 2287 2288 bcopy(INTEL_MAGIC, meta->intel_id, sizeof(meta->intel_id)); 2289 bcopy(INTEL_VERSION_1100, meta->version, sizeof(meta->version)); 2290 meta->config_id = timestamp.tv_sec; 2291 meta->generation = rdp->generation; 2292 meta->total_disks = rdp->total_disks; 2293 meta->total_volumes = 1; /* XXX SOS */ 2294 for (disk = 0; disk < rdp->total_disks; disk++) { 2295 if (rdp->disks[disk].dev) { 2296 struct ata_channel *ch = 2297 device_get_softc(device_get_parent(rdp->disks[disk].dev)); 2298 struct ata_device *atadev = 2299 device_get_softc(rdp->disks[disk].dev); 2300 2301 bcopy(atadev->param.serial, meta->disk[disk].serial, 2302 sizeof(rdp->disks[disk].serial)); 2303 meta->disk[disk].sectors = rdp->disks[disk].sectors; 2304 meta->disk[disk].id = (ch->unit << 16) | ATA_DEV(atadev->unit); 2305 } 2306 else 2307 meta->disk[disk].sectors = rdp->total_sectors / rdp->width; 2308 meta->disk[disk].flags = 0; 2309 if (rdp->disks[disk].flags & AR_DF_SPARE) 2310 meta->disk[disk].flags |= INTEL_F_SPARE; 2311 else { 2312 if (rdp->disks[disk].flags & AR_DF_ONLINE) 2313 meta->disk[disk].flags |= INTEL_F_ONLINE; 2314 else 2315 meta->disk[disk].flags |= INTEL_F_DOWN; 2316 if (rdp->disks[disk].flags & AR_DF_ASSIGNED) 2317 meta->disk[disk].flags |= INTEL_F_ASSIGNED; 2318 } 2319 } 2320 map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks]; 2321 2322 bcopy(rdp->name, map->name, sizeof(rdp->name)); 2323 map->total_sectors = rdp->total_sectors; 2324 map->state = 12; /* XXX SOS */ 2325 map->offset = rdp->offset_sectors; 2326 map->stripe_count = rdp->total_sectors / (rdp->interleave*rdp->total_disks); 2327 map->stripe_sectors = rdp->interleave; 2328 map->disk_sectors = rdp->total_sectors / rdp->width; 2329 map->status = INTEL_S_READY; /* XXX SOS */ 2330 switch (rdp->type) { 2331 case AR_T_RAID0: 2332 map->type = INTEL_T_RAID0; 2333 break; 2334 case AR_T_RAID1: 2335 map->type = INTEL_T_RAID1; 2336 break; 2337 case AR_T_RAID01: 2338 map->type = INTEL_T_RAID1; 2339 break; 2340 case AR_T_RAID5: 2341 map->type = INTEL_T_RAID5; 2342 break; 2343 default: 2344 kfree(meta, M_AR); 2345 return ENODEV; 2346 } 2347 map->total_disks = rdp->total_disks; 2348 map->magic[0] = 0x02; 2349 map->magic[1] = 0xff; 2350 map->magic[2] = 0x01; 2351 for (disk = 0; disk < rdp->total_disks; disk++) 2352 map->disk_idx[disk] = disk; 2353 2354 meta->config_size = (char *)&map->disk_idx[disk] - (char *)meta; 2355 for (checksum = 0, ptr = (u_int32_t *)meta, count = 0; 2356 count < (meta->config_size / sizeof(u_int32_t)); count++) { 2357 checksum += *ptr++; 2358 } 2359 meta->checksum = checksum; 2360 2361 if (testing || bootverbose) 2362 ata_raid_intel_print_meta(meta); 2363 2364 tmp = (char *)meta; 2365 bcopy(tmp, tmp+1024, 512); 2366 bcopy(tmp+512, tmp, 1024); 2367 bzero(tmp+1024, 512); 2368 2369 for (disk = 0; disk < rdp->total_disks; disk++) { 2370 if (rdp->disks[disk].dev) { 2371 if (ata_raid_rw(rdp->disks[disk].dev, 2372 INTEL_LBA(rdp->disks[disk].dev), 2373 meta, 1024, ATA_R_WRITE | ATA_R_DIRECT)) { 2374 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 2375 error = EIO; 2376 } 2377 } 2378 } 2379 kfree(meta, M_AR); 2380 return error; 2381 } 2382 2383 2384 /* Integrated Technology Express Metadata */ 2385 static int 2386 ata_raid_ite_read_meta(device_t dev, struct ar_softc **raidp) 2387 { 2388 struct ata_raid_subdisk *ars = device_get_softc(dev); 2389 device_t parent = device_get_parent(dev); 2390 struct ite_raid_conf *meta; 2391 struct ar_softc *raid = NULL; 2392 int array, disk_number, count, retval = 0; 2393 u_int16_t *ptr; 2394 2395 if (!(meta = (struct ite_raid_conf *) 2396 kmalloc(sizeof(struct ite_raid_conf), M_AR, M_WAITOK | M_ZERO))) 2397 return ENOMEM; 2398 2399 if (ata_raid_rw(parent, ITE_LBA(parent), 2400 meta, sizeof(struct ite_raid_conf), ATA_R_READ)) { 2401 if (testing || bootverbose) 2402 device_printf(parent, "ITE read metadata failed\n"); 2403 goto ite_out; 2404 } 2405 2406 /* check if this is a ITE RAID struct */ 2407 for (ptr = (u_int16_t *)meta->ite_id, count = 0; 2408 count < sizeof(meta->ite_id)/sizeof(uint16_t); count++) 2409 ptr[count] = be16toh(ptr[count]); 2410 2411 if (strncmp(meta->ite_id, ITE_MAGIC, strlen(ITE_MAGIC))) { 2412 if (testing || bootverbose) 2413 device_printf(parent, "ITE check1 failed\n"); 2414 goto ite_out; 2415 } 2416 2417 if (testing || bootverbose) 2418 ata_raid_ite_print_meta(meta); 2419 2420 /* now convert ITE metadata into our generic form */ 2421 for (array = 0; array < MAX_ARRAYS; array++) { 2422 if ((raid = raidp[array])) { 2423 if (raid->format != AR_F_ITE_RAID) 2424 continue; 2425 if (raid->magic_0 != *((u_int64_t *)meta->timestamp_0)) 2426 continue; 2427 } 2428 2429 /* if we dont have a disks timestamp the RAID is invalidated */ 2430 if (*((u_int64_t *)meta->timestamp_1) == 0) 2431 goto ite_out; 2432 2433 if (!raid) { 2434 raidp[array] = (struct ar_softc *)kmalloc(sizeof(struct ar_softc), 2435 M_AR, M_WAITOK | M_ZERO); 2436 if (!(raid = raidp[array])) { 2437 device_printf(parent, "failed to allocate metadata storage\n"); 2438 goto ite_out; 2439 } 2440 } 2441 2442 switch (meta->type) { 2443 case ITE_T_RAID0: 2444 raid->type = AR_T_RAID0; 2445 raid->width = meta->array_width; 2446 raid->total_disks = meta->array_width; 2447 disk_number = meta->disk_number; 2448 break; 2449 2450 case ITE_T_RAID1: 2451 raid->type = AR_T_RAID1; 2452 raid->width = 1; 2453 raid->total_disks = 2; 2454 disk_number = meta->disk_number; 2455 break; 2456 2457 case ITE_T_RAID01: 2458 raid->type = AR_T_RAID01; 2459 raid->width = meta->array_width; 2460 raid->total_disks = 4; 2461 disk_number = ((meta->disk_number & 0x02) >> 1) | 2462 ((meta->disk_number & 0x01) << 1); 2463 break; 2464 2465 case ITE_T_SPAN: 2466 raid->type = AR_T_SPAN; 2467 raid->width = 1; 2468 raid->total_disks = meta->array_width; 2469 disk_number = meta->disk_number; 2470 break; 2471 2472 default: 2473 device_printf(parent, "ITE unknown RAID type 0x%02x\n", meta->type); 2474 kfree(raidp[array], M_AR); 2475 raidp[array] = NULL; 2476 goto ite_out; 2477 } 2478 2479 raid->magic_0 = *((u_int64_t *)meta->timestamp_0); 2480 raid->format = AR_F_ITE_RAID; 2481 raid->generation = 0; 2482 raid->interleave = meta->stripe_sectors; 2483 raid->total_sectors = meta->total_sectors; 2484 raid->heads = 255; 2485 raid->sectors = 63; 2486 raid->cylinders = raid->total_sectors / (63 * 255); 2487 raid->offset_sectors = 0; 2488 raid->rebuild_lba = 0; 2489 raid->lun = array; 2490 2491 raid->disks[disk_number].dev = parent; 2492 raid->disks[disk_number].sectors = raid->total_sectors / raid->width; 2493 raid->disks[disk_number].flags = 2494 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 2495 ars->raid[raid->volume] = raid; 2496 ars->disk_number[raid->volume] = disk_number; 2497 retval = 1; 2498 break; 2499 } 2500 ite_out: 2501 kfree(meta, M_AR); 2502 return retval; 2503 } 2504 2505 /* JMicron Technology Corp Metadata */ 2506 static int 2507 ata_raid_jmicron_read_meta(device_t dev, struct ar_softc **raidp) 2508 { 2509 struct ata_raid_subdisk *ars = device_get_softc(dev); 2510 device_t parent = device_get_parent(dev); 2511 struct jmicron_raid_conf *meta; 2512 struct ar_softc *raid = NULL; 2513 u_int16_t checksum, *ptr; 2514 u_int64_t disk_size; 2515 int count, array, disk, total_disks, retval = 0; 2516 2517 if (!(meta = (struct jmicron_raid_conf *) 2518 kmalloc(sizeof(struct jmicron_raid_conf), M_AR, M_WAITOK | M_ZERO))) 2519 return ENOMEM; 2520 2521 if (ata_raid_rw(parent, JMICRON_LBA(parent), 2522 meta, sizeof(struct jmicron_raid_conf), ATA_R_READ)) { 2523 if (testing || bootverbose) 2524 device_printf(parent, 2525 "JMicron read metadata failed\n"); 2526 } 2527 2528 /* check for JMicron signature */ 2529 if (strncmp(meta->signature, JMICRON_MAGIC, 2)) { 2530 if (testing || bootverbose) 2531 device_printf(parent, "JMicron check1 failed\n"); 2532 goto jmicron_out; 2533 } 2534 2535 /* calculate checksum and compare for valid */ 2536 for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 64; count++) 2537 checksum += *ptr++; 2538 if (checksum) { 2539 if (testing || bootverbose) 2540 device_printf(parent, "JMicron check2 failed\n"); 2541 goto jmicron_out; 2542 } 2543 2544 if (testing || bootverbose) 2545 ata_raid_jmicron_print_meta(meta); 2546 2547 /* now convert JMicron meta into our generic form */ 2548 for (array = 0; array < MAX_ARRAYS; array++) { 2549 jmicron_next: 2550 if (!raidp[array]) { 2551 raidp[array] = 2552 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2553 M_WAITOK | M_ZERO); 2554 if (!raidp[array]) { 2555 device_printf(parent, "failed to allocate metadata storage\n"); 2556 goto jmicron_out; 2557 } 2558 } 2559 raid = raidp[array]; 2560 if (raid->format && (raid->format != AR_F_JMICRON_RAID)) 2561 continue; 2562 2563 for (total_disks = 0, disk = 0; disk < JM_MAX_DISKS; disk++) { 2564 if (meta->disks[disk]) { 2565 if (raid->format == AR_F_JMICRON_RAID) { 2566 if (bcmp(&meta->disks[disk], 2567 raid->disks[disk].serial, sizeof(u_int32_t))) { 2568 array++; 2569 goto jmicron_next; 2570 } 2571 } 2572 else 2573 bcopy(&meta->disks[disk], 2574 raid->disks[disk].serial, sizeof(u_int32_t)); 2575 total_disks++; 2576 } 2577 } 2578 /* handle spares XXX SOS */ 2579 2580 switch (meta->type) { 2581 case JM_T_RAID0: 2582 raid->type = AR_T_RAID0; 2583 raid->width = total_disks; 2584 break; 2585 2586 case JM_T_RAID1: 2587 raid->type = AR_T_RAID1; 2588 raid->width = 1; 2589 break; 2590 2591 case JM_T_RAID01: 2592 raid->type = AR_T_RAID01; 2593 raid->width = total_disks / 2; 2594 break; 2595 2596 case JM_T_RAID5: 2597 raid->type = AR_T_RAID5; 2598 raid->width = total_disks; 2599 break; 2600 2601 case JM_T_JBOD: 2602 raid->type = AR_T_SPAN; 2603 raid->width = 1; 2604 break; 2605 2606 default: 2607 device_printf(parent, 2608 "JMicron unknown RAID type 0x%02x\n", meta->type); 2609 kfree(raidp[array], M_AR); 2610 raidp[array] = NULL; 2611 goto jmicron_out; 2612 } 2613 disk_size = (meta->disk_sectors_high << 16) + meta->disk_sectors_low; 2614 raid->format = AR_F_JMICRON_RAID; 2615 strncpy(raid->name, meta->name, sizeof(meta->name)); 2616 raid->generation = 0; 2617 raid->interleave = 2 << meta->stripe_shift; 2618 raid->total_disks = total_disks; 2619 raid->total_sectors = disk_size * (raid->width-(raid->type==AR_RAID5)); 2620 raid->heads = 255; 2621 raid->sectors = 63; 2622 raid->cylinders = raid->total_sectors / (63 * 255); 2623 raid->offset_sectors = meta->offset * 16; 2624 raid->rebuild_lba = 0; 2625 raid->lun = array; 2626 2627 for (disk = 0; disk < raid->total_disks; disk++) { 2628 if (meta->disks[disk] == meta->disk_id) { 2629 raid->disks[disk].dev = parent; 2630 raid->disks[disk].sectors = disk_size; 2631 raid->disks[disk].flags = 2632 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 2633 ars->raid[raid->volume] = raid; 2634 ars->disk_number[raid->volume] = disk; 2635 retval = 1; 2636 break; 2637 } 2638 } 2639 break; 2640 } 2641 jmicron_out: 2642 kfree(meta, M_AR); 2643 return retval; 2644 } 2645 2646 static int 2647 ata_raid_jmicron_write_meta(struct ar_softc *rdp) 2648 { 2649 struct jmicron_raid_conf *meta; 2650 u_int64_t disk_sectors; 2651 int disk, error = 0; 2652 2653 if (!(meta = (struct jmicron_raid_conf *) 2654 kmalloc(sizeof(struct jmicron_raid_conf), M_AR, M_WAITOK | M_ZERO))) { 2655 kprintf("ar%d: failed to allocate metadata storage\n", rdp->lun); 2656 return ENOMEM; 2657 } 2658 2659 rdp->generation++; 2660 switch (rdp->type) { 2661 case AR_T_JBOD: 2662 meta->type = JM_T_JBOD; 2663 break; 2664 2665 case AR_T_RAID0: 2666 meta->type = JM_T_RAID0; 2667 break; 2668 2669 case AR_T_RAID1: 2670 meta->type = JM_T_RAID1; 2671 break; 2672 2673 case AR_T_RAID5: 2674 meta->type = JM_T_RAID5; 2675 break; 2676 2677 case AR_T_RAID01: 2678 meta->type = JM_T_RAID01; 2679 break; 2680 2681 default: 2682 kfree(meta, M_AR); 2683 return ENODEV; 2684 } 2685 bcopy(JMICRON_MAGIC, meta->signature, sizeof(JMICRON_MAGIC)); 2686 meta->version = JMICRON_VERSION; 2687 meta->offset = rdp->offset_sectors / 16; 2688 disk_sectors = rdp->total_sectors / (rdp->width - (rdp->type == AR_RAID5)); 2689 meta->disk_sectors_low = disk_sectors & 0xffff; 2690 meta->disk_sectors_high = disk_sectors >> 16; 2691 strncpy(meta->name, rdp->name, sizeof(meta->name)); 2692 meta->stripe_shift = ffs(rdp->interleave) - 2; 2693 2694 for (disk = 0; disk < rdp->total_disks; disk++) { 2695 if (rdp->disks[disk].serial[0]) 2696 bcopy(rdp->disks[disk].serial,&meta->disks[disk],sizeof(u_int32_t)); 2697 else 2698 meta->disks[disk] = (u_int32_t)(uintptr_t)rdp->disks[disk].dev; 2699 } 2700 2701 for (disk = 0; disk < rdp->total_disks; disk++) { 2702 if (rdp->disks[disk].dev) { 2703 u_int16_t checksum = 0, *ptr; 2704 int count; 2705 2706 meta->disk_id = meta->disks[disk]; 2707 meta->checksum = 0; 2708 for (ptr = (u_int16_t *)meta, count = 0; count < 64; count++) 2709 checksum += *ptr++; 2710 meta->checksum -= checksum; 2711 2712 if (testing || bootverbose) 2713 ata_raid_jmicron_print_meta(meta); 2714 2715 if (ata_raid_rw(rdp->disks[disk].dev, 2716 JMICRON_LBA(rdp->disks[disk].dev), 2717 meta, sizeof(struct jmicron_raid_conf), 2718 ATA_R_WRITE | ATA_R_DIRECT)) { 2719 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 2720 error = EIO; 2721 } 2722 } 2723 } 2724 /* handle spares XXX SOS */ 2725 2726 kfree(meta, M_AR); 2727 return error; 2728 } 2729 2730 /* LSILogic V2 MegaRAID Metadata */ 2731 static int 2732 ata_raid_lsiv2_read_meta(device_t dev, struct ar_softc **raidp) 2733 { 2734 struct ata_raid_subdisk *ars = device_get_softc(dev); 2735 device_t parent = device_get_parent(dev); 2736 struct lsiv2_raid_conf *meta; 2737 struct ar_softc *raid = NULL; 2738 int array, retval = 0; 2739 2740 if (!(meta = (struct lsiv2_raid_conf *) 2741 kmalloc(sizeof(struct lsiv2_raid_conf), M_AR, M_WAITOK | M_ZERO))) 2742 return ENOMEM; 2743 2744 if (ata_raid_rw(parent, LSIV2_LBA(parent), 2745 meta, sizeof(struct lsiv2_raid_conf), ATA_R_READ)) { 2746 if (testing || bootverbose) 2747 device_printf(parent, "LSI (v2) read metadata failed\n"); 2748 goto lsiv2_out; 2749 } 2750 2751 /* check if this is a LSI RAID struct */ 2752 if (strncmp(meta->lsi_id, LSIV2_MAGIC, strlen(LSIV2_MAGIC))) { 2753 if (testing || bootverbose) 2754 device_printf(parent, "LSI (v2) check1 failed\n"); 2755 goto lsiv2_out; 2756 } 2757 2758 if (testing || bootverbose) 2759 ata_raid_lsiv2_print_meta(meta); 2760 2761 /* now convert LSI (v2) config meta into our generic form */ 2762 for (array = 0; array < MAX_ARRAYS; array++) { 2763 int raid_entry, conf_entry; 2764 2765 if (!raidp[array + meta->raid_number]) { 2766 raidp[array + meta->raid_number] = 2767 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2768 M_WAITOK | M_ZERO); 2769 if (!raidp[array + meta->raid_number]) { 2770 device_printf(parent, "failed to allocate metadata storage\n"); 2771 goto lsiv2_out; 2772 } 2773 } 2774 raid = raidp[array + meta->raid_number]; 2775 if (raid->format && (raid->format != AR_F_LSIV2_RAID)) 2776 continue; 2777 2778 if (raid->magic_0 && 2779 ((raid->magic_0 != meta->timestamp) || 2780 (raid->magic_1 != meta->raid_number))) 2781 continue; 2782 2783 array += meta->raid_number; 2784 2785 raid_entry = meta->raid_number; 2786 conf_entry = (meta->configs[raid_entry].raid.config_offset >> 4) + 2787 meta->disk_number - 1; 2788 2789 switch (meta->configs[raid_entry].raid.type) { 2790 case LSIV2_T_RAID0: 2791 raid->magic_0 = meta->timestamp; 2792 raid->magic_1 = meta->raid_number; 2793 raid->type = AR_T_RAID0; 2794 raid->interleave = meta->configs[raid_entry].raid.stripe_sectors; 2795 raid->width = meta->configs[raid_entry].raid.array_width; 2796 break; 2797 2798 case LSIV2_T_RAID1: 2799 raid->magic_0 = meta->timestamp; 2800 raid->magic_1 = meta->raid_number; 2801 raid->type = AR_T_RAID1; 2802 raid->width = meta->configs[raid_entry].raid.array_width; 2803 break; 2804 2805 case LSIV2_T_RAID0 | LSIV2_T_RAID1: 2806 raid->magic_0 = meta->timestamp; 2807 raid->magic_1 = meta->raid_number; 2808 raid->type = AR_T_RAID01; 2809 raid->interleave = meta->configs[raid_entry].raid.stripe_sectors; 2810 raid->width = meta->configs[raid_entry].raid.array_width; 2811 break; 2812 2813 default: 2814 device_printf(parent, "LSI v2 unknown RAID type 0x%02x\n", 2815 meta->configs[raid_entry].raid.type); 2816 kfree(raidp[array], M_AR); 2817 raidp[array] = NULL; 2818 goto lsiv2_out; 2819 } 2820 2821 raid->format = AR_F_LSIV2_RAID; 2822 raid->generation = 0; 2823 raid->total_disks = meta->configs[raid_entry].raid.disk_count; 2824 raid->total_sectors = meta->configs[raid_entry].raid.total_sectors; 2825 raid->heads = 255; 2826 raid->sectors = 63; 2827 raid->cylinders = raid->total_sectors / (63 * 255); 2828 raid->offset_sectors = 0; 2829 raid->rebuild_lba = 0; 2830 raid->lun = array; 2831 2832 if (meta->configs[conf_entry].disk.device != LSIV2_D_NONE) { 2833 raid->disks[meta->disk_number].dev = parent; 2834 raid->disks[meta->disk_number].sectors = 2835 meta->configs[conf_entry].disk.disk_sectors; 2836 raid->disks[meta->disk_number].flags = 2837 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 2838 ars->raid[raid->volume] = raid; 2839 ars->disk_number[raid->volume] = meta->disk_number; 2840 retval = 1; 2841 } 2842 else 2843 raid->disks[meta->disk_number].flags &= ~AR_DF_ONLINE; 2844 2845 break; 2846 } 2847 2848 lsiv2_out: 2849 kfree(meta, M_AR); 2850 return retval; 2851 } 2852 2853 /* LSILogic V3 MegaRAID Metadata */ 2854 static int 2855 ata_raid_lsiv3_read_meta(device_t dev, struct ar_softc **raidp) 2856 { 2857 struct ata_raid_subdisk *ars = device_get_softc(dev); 2858 device_t parent = device_get_parent(dev); 2859 struct lsiv3_raid_conf *meta; 2860 struct ar_softc *raid = NULL; 2861 u_int8_t checksum, *ptr; 2862 int array, entry, count, disk_number, retval = 0; 2863 2864 if (!(meta = (struct lsiv3_raid_conf *) 2865 kmalloc(sizeof(struct lsiv3_raid_conf), M_AR, M_WAITOK | M_ZERO))) 2866 return ENOMEM; 2867 2868 if (ata_raid_rw(parent, LSIV3_LBA(parent), 2869 meta, sizeof(struct lsiv3_raid_conf), ATA_R_READ)) { 2870 if (testing || bootverbose) 2871 device_printf(parent, "LSI (v3) read metadata failed\n"); 2872 goto lsiv3_out; 2873 } 2874 2875 /* check if this is a LSI RAID struct */ 2876 if (strncmp(meta->lsi_id, LSIV3_MAGIC, strlen(LSIV3_MAGIC))) { 2877 if (testing || bootverbose) 2878 device_printf(parent, "LSI (v3) check1 failed\n"); 2879 goto lsiv3_out; 2880 } 2881 2882 /* check if the checksum is OK */ 2883 for (checksum = 0, ptr = meta->lsi_id, count = 0; count < 512; count++) 2884 checksum += *ptr++; 2885 if (checksum) { 2886 if (testing || bootverbose) 2887 device_printf(parent, "LSI (v3) check2 failed\n"); 2888 goto lsiv3_out; 2889 } 2890 2891 if (testing || bootverbose) 2892 ata_raid_lsiv3_print_meta(meta); 2893 2894 /* now convert LSI (v3) config meta into our generic form */ 2895 for (array = 0, entry = 0; array < MAX_ARRAYS && entry < 8;) { 2896 if (!raidp[array]) { 2897 raidp[array] = 2898 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 2899 M_WAITOK | M_ZERO); 2900 if (!raidp[array]) { 2901 device_printf(parent, "failed to allocate metadata storage\n"); 2902 goto lsiv3_out; 2903 } 2904 } 2905 raid = raidp[array]; 2906 if (raid->format && (raid->format != AR_F_LSIV3_RAID)) { 2907 array++; 2908 continue; 2909 } 2910 2911 if ((raid->format == AR_F_LSIV3_RAID) && 2912 (raid->magic_0 != meta->timestamp)) { 2913 array++; 2914 continue; 2915 } 2916 2917 switch (meta->raid[entry].total_disks) { 2918 case 0: 2919 entry++; 2920 continue; 2921 case 1: 2922 if (meta->raid[entry].device == meta->device) { 2923 disk_number = 0; 2924 break; 2925 } 2926 if (raid->format) 2927 array++; 2928 entry++; 2929 continue; 2930 case 2: 2931 disk_number = (meta->device & (LSIV3_D_DEVICE|LSIV3_D_CHANNEL))?1:0; 2932 break; 2933 default: 2934 device_printf(parent, "lsiv3 > 2 disk support untested!!\n"); 2935 disk_number = (meta->device & LSIV3_D_DEVICE ? 1 : 0) + 2936 (meta->device & LSIV3_D_CHANNEL ? 2 : 0); 2937 break; 2938 } 2939 2940 switch (meta->raid[entry].type) { 2941 case LSIV3_T_RAID0: 2942 raid->type = AR_T_RAID0; 2943 raid->width = meta->raid[entry].total_disks; 2944 break; 2945 2946 case LSIV3_T_RAID1: 2947 raid->type = AR_T_RAID1; 2948 raid->width = meta->raid[entry].array_width; 2949 break; 2950 2951 default: 2952 device_printf(parent, "LSI v3 unknown RAID type 0x%02x\n", 2953 meta->raid[entry].type); 2954 kfree(raidp[array], M_AR); 2955 raidp[array] = NULL; 2956 entry++; 2957 continue; 2958 } 2959 2960 raid->magic_0 = meta->timestamp; 2961 raid->format = AR_F_LSIV3_RAID; 2962 raid->generation = 0; 2963 raid->interleave = meta->raid[entry].stripe_pages * 8; 2964 raid->total_disks = meta->raid[entry].total_disks; 2965 raid->total_sectors = raid->width * meta->raid[entry].sectors; 2966 raid->heads = 255; 2967 raid->sectors = 63; 2968 raid->cylinders = raid->total_sectors / (63 * 255); 2969 raid->offset_sectors = meta->raid[entry].offset; 2970 raid->rebuild_lba = 0; 2971 raid->lun = array; 2972 2973 raid->disks[disk_number].dev = parent; 2974 raid->disks[disk_number].sectors = raid->total_sectors / raid->width; 2975 raid->disks[disk_number].flags = 2976 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 2977 ars->raid[raid->volume] = raid; 2978 ars->disk_number[raid->volume] = disk_number; 2979 retval = 1; 2980 entry++; 2981 array++; 2982 } 2983 2984 lsiv3_out: 2985 kfree(meta, M_AR); 2986 return retval; 2987 } 2988 2989 /* nVidia MediaShield Metadata */ 2990 static int 2991 ata_raid_nvidia_read_meta(device_t dev, struct ar_softc **raidp) 2992 { 2993 struct ata_raid_subdisk *ars = device_get_softc(dev); 2994 device_t parent = device_get_parent(dev); 2995 struct nvidia_raid_conf *meta; 2996 struct ar_softc *raid = NULL; 2997 u_int32_t checksum, *ptr; 2998 int array, count, retval = 0; 2999 3000 if (!(meta = (struct nvidia_raid_conf *) 3001 kmalloc(sizeof(struct nvidia_raid_conf), M_AR, M_WAITOK | M_ZERO))) 3002 return ENOMEM; 3003 3004 if (ata_raid_rw(parent, NVIDIA_LBA(parent), 3005 meta, sizeof(struct nvidia_raid_conf), ATA_R_READ)) { 3006 if (testing || bootverbose) 3007 device_printf(parent, "nVidia read metadata failed\n"); 3008 goto nvidia_out; 3009 } 3010 3011 /* check if this is a nVidia RAID struct */ 3012 if (strncmp(meta->nvidia_id, NV_MAGIC, strlen(NV_MAGIC))) { 3013 if (testing || bootverbose) 3014 device_printf(parent, "nVidia check1 failed\n"); 3015 goto nvidia_out; 3016 } 3017 3018 /* check if the checksum is OK */ 3019 for (checksum = 0, ptr = (u_int32_t*)meta, count = 0; 3020 count < meta->config_size; count++) 3021 checksum += *ptr++; 3022 if (checksum) { 3023 if (testing || bootverbose) 3024 device_printf(parent, "nVidia check2 failed\n"); 3025 goto nvidia_out; 3026 } 3027 3028 if (testing || bootverbose) 3029 ata_raid_nvidia_print_meta(meta); 3030 3031 /* now convert nVidia meta into our generic form */ 3032 for (array = 0; array < MAX_ARRAYS; array++) { 3033 if (!raidp[array]) { 3034 raidp[array] = 3035 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3036 M_WAITOK | M_ZERO); 3037 if (!raidp[array]) { 3038 device_printf(parent, "failed to allocate metadata storage\n"); 3039 goto nvidia_out; 3040 } 3041 } 3042 raid = raidp[array]; 3043 if (raid->format && (raid->format != AR_F_NVIDIA_RAID)) 3044 continue; 3045 3046 if (raid->format == AR_F_NVIDIA_RAID && 3047 ((raid->magic_0 != meta->magic_1) || 3048 (raid->magic_1 != meta->magic_2))) { 3049 continue; 3050 } 3051 3052 switch (meta->type) { 3053 case NV_T_SPAN: 3054 raid->type = AR_T_SPAN; 3055 break; 3056 3057 case NV_T_RAID0: 3058 raid->type = AR_T_RAID0; 3059 break; 3060 3061 case NV_T_RAID1: 3062 raid->type = AR_T_RAID1; 3063 break; 3064 3065 case NV_T_RAID5: 3066 raid->type = AR_T_RAID5; 3067 break; 3068 3069 case NV_T_RAID01: 3070 raid->type = AR_T_RAID01; 3071 break; 3072 3073 default: 3074 device_printf(parent, "nVidia unknown RAID type 0x%02x\n", 3075 meta->type); 3076 kfree(raidp[array], M_AR); 3077 raidp[array] = NULL; 3078 goto nvidia_out; 3079 } 3080 raid->magic_0 = meta->magic_1; 3081 raid->magic_1 = meta->magic_2; 3082 raid->format = AR_F_NVIDIA_RAID; 3083 raid->generation = 0; 3084 raid->interleave = meta->stripe_sectors; 3085 raid->width = meta->array_width; 3086 raid->total_disks = meta->total_disks; 3087 raid->total_sectors = meta->total_sectors; 3088 raid->heads = 255; 3089 raid->sectors = 63; 3090 raid->cylinders = raid->total_sectors / (63 * 255); 3091 raid->offset_sectors = 0; 3092 raid->rebuild_lba = meta->rebuild_lba; 3093 raid->lun = array; 3094 raid->status = AR_S_READY; 3095 if (meta->status & NV_S_DEGRADED) 3096 raid->status |= AR_S_DEGRADED; 3097 3098 raid->disks[meta->disk_number].dev = parent; 3099 raid->disks[meta->disk_number].sectors = 3100 raid->total_sectors / raid->width; 3101 raid->disks[meta->disk_number].flags = 3102 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); 3103 ars->raid[raid->volume] = raid; 3104 ars->disk_number[raid->volume] = meta->disk_number; 3105 retval = 1; 3106 break; 3107 } 3108 3109 nvidia_out: 3110 kfree(meta, M_AR); 3111 return retval; 3112 } 3113 3114 /* Promise FastTrak Metadata */ 3115 static int 3116 ata_raid_promise_read_meta(device_t dev, struct ar_softc **raidp, int native) 3117 { 3118 struct ata_raid_subdisk *ars = device_get_softc(dev); 3119 device_t parent = device_get_parent(dev); 3120 struct promise_raid_conf *meta; 3121 struct ar_softc *raid; 3122 u_int32_t checksum, *ptr; 3123 int array, count, disk, disksum = 0, retval = 0; 3124 3125 if (!(meta = (struct promise_raid_conf *) 3126 kmalloc(sizeof(struct promise_raid_conf), M_AR, M_WAITOK | M_ZERO))) 3127 return ENOMEM; 3128 3129 if (ata_raid_rw(parent, PROMISE_LBA(parent), 3130 meta, sizeof(struct promise_raid_conf), ATA_R_READ)) { 3131 if (testing || bootverbose) 3132 device_printf(parent, "%s read metadata failed\n", 3133 native ? "FreeBSD" : "Promise"); 3134 goto promise_out; 3135 } 3136 3137 /* check the signature */ 3138 if (native) { 3139 if (strncmp(meta->promise_id, ATA_MAGIC, strlen(ATA_MAGIC))) { 3140 if (testing || bootverbose) 3141 device_printf(parent, "FreeBSD check1 failed\n"); 3142 goto promise_out; 3143 } 3144 } 3145 else { 3146 if (strncmp(meta->promise_id, PR_MAGIC, strlen(PR_MAGIC))) { 3147 if (testing || bootverbose) 3148 device_printf(parent, "Promise check1 failed\n"); 3149 goto promise_out; 3150 } 3151 } 3152 3153 /* check if the checksum is OK */ 3154 for (checksum = 0, ptr = (u_int32_t *)meta, count = 0; count < 511; count++) 3155 checksum += *ptr++; 3156 if (checksum != *ptr) { 3157 if (testing || bootverbose) 3158 device_printf(parent, "%s check2 failed\n", 3159 native ? "FreeBSD" : "Promise"); 3160 goto promise_out; 3161 } 3162 3163 /* check on disk integrity status */ 3164 if (meta->raid.integrity != PR_I_VALID) { 3165 if (testing || bootverbose) 3166 device_printf(parent, "%s check3 failed\n", 3167 native ? "FreeBSD" : "Promise"); 3168 goto promise_out; 3169 } 3170 3171 if (testing || bootverbose) 3172 ata_raid_promise_print_meta(meta); 3173 3174 /* now convert Promise metadata into our generic form */ 3175 for (array = 0; array < MAX_ARRAYS; array++) { 3176 if (!raidp[array]) { 3177 raidp[array] = 3178 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3179 M_WAITOK | M_ZERO); 3180 if (!raidp[array]) { 3181 device_printf(parent, "failed to allocate metadata storage\n"); 3182 goto promise_out; 3183 } 3184 } 3185 raid = raidp[array]; 3186 if (raid->format && 3187 (raid->format != (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID))) 3188 continue; 3189 3190 if ((raid->format == (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID))&& 3191 !(meta->raid.magic_1 == (raid->magic_1))) 3192 continue; 3193 3194 /* update our knowledge about the array config based on generation */ 3195 if (!meta->raid.generation || meta->raid.generation > raid->generation){ 3196 switch (meta->raid.type) { 3197 case PR_T_SPAN: 3198 raid->type = AR_T_SPAN; 3199 break; 3200 3201 case PR_T_JBOD: 3202 raid->type = AR_T_JBOD; 3203 break; 3204 3205 case PR_T_RAID0: 3206 raid->type = AR_T_RAID0; 3207 break; 3208 3209 case PR_T_RAID1: 3210 raid->type = AR_T_RAID1; 3211 if (meta->raid.array_width > 1) 3212 raid->type = AR_T_RAID01; 3213 break; 3214 3215 case PR_T_RAID5: 3216 raid->type = AR_T_RAID5; 3217 break; 3218 3219 default: 3220 device_printf(parent, "%s unknown RAID type 0x%02x\n", 3221 native ? "FreeBSD" : "Promise", meta->raid.type); 3222 kfree(raidp[array], M_AR); 3223 raidp[array] = NULL; 3224 goto promise_out; 3225 } 3226 raid->magic_1 = meta->raid.magic_1; 3227 raid->format = (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID); 3228 raid->generation = meta->raid.generation; 3229 raid->interleave = 1 << meta->raid.stripe_shift; 3230 raid->width = meta->raid.array_width; 3231 raid->total_disks = meta->raid.total_disks; 3232 raid->heads = meta->raid.heads + 1; 3233 raid->sectors = meta->raid.sectors; 3234 raid->cylinders = meta->raid.cylinders + 1; 3235 raid->total_sectors = meta->raid.total_sectors; 3236 raid->offset_sectors = 0; 3237 raid->rebuild_lba = meta->raid.rebuild_lba; 3238 raid->lun = array; 3239 if ((meta->raid.status & 3240 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY)) == 3241 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY)) { 3242 raid->status |= AR_S_READY; 3243 if (meta->raid.status & PR_S_DEGRADED) 3244 raid->status |= AR_S_DEGRADED; 3245 } 3246 else 3247 raid->status &= ~AR_S_READY; 3248 3249 /* convert disk flags to our internal types */ 3250 for (disk = 0; disk < meta->raid.total_disks; disk++) { 3251 raid->disks[disk].dev = NULL; 3252 raid->disks[disk].flags = 0; 3253 *((u_int64_t *)(raid->disks[disk].serial)) = 3254 meta->raid.disk[disk].magic_0; 3255 disksum += meta->raid.disk[disk].flags; 3256 if (meta->raid.disk[disk].flags & PR_F_ONLINE) 3257 raid->disks[disk].flags |= AR_DF_ONLINE; 3258 if (meta->raid.disk[disk].flags & PR_F_ASSIGNED) 3259 raid->disks[disk].flags |= AR_DF_ASSIGNED; 3260 if (meta->raid.disk[disk].flags & PR_F_SPARE) { 3261 raid->disks[disk].flags &= ~(AR_DF_ONLINE | AR_DF_ASSIGNED); 3262 raid->disks[disk].flags |= AR_DF_SPARE; 3263 } 3264 if (meta->raid.disk[disk].flags & (PR_F_REDIR | PR_F_DOWN)) 3265 raid->disks[disk].flags &= ~AR_DF_ONLINE; 3266 } 3267 if (!disksum) { 3268 device_printf(parent, "%s subdisks has no flags\n", 3269 native ? "FreeBSD" : "Promise"); 3270 kfree(raidp[array], M_AR); 3271 raidp[array] = NULL; 3272 goto promise_out; 3273 } 3274 } 3275 if (meta->raid.generation >= raid->generation) { 3276 int disk_number = meta->raid.disk_number; 3277 3278 if (raid->disks[disk_number].flags && (meta->magic_0 == 3279 *((u_int64_t *)(raid->disks[disk_number].serial)))) { 3280 raid->disks[disk_number].dev = parent; 3281 raid->disks[disk_number].flags |= AR_DF_PRESENT; 3282 raid->disks[disk_number].sectors = meta->raid.disk_sectors; 3283 if ((raid->disks[disk_number].flags & 3284 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE)) == 3285 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE)) { 3286 ars->raid[raid->volume] = raid; 3287 ars->disk_number[raid->volume] = disk_number; 3288 retval = 1; 3289 } 3290 } 3291 } 3292 break; 3293 } 3294 3295 promise_out: 3296 kfree(meta, M_AR); 3297 return retval; 3298 } 3299 3300 static int 3301 ata_raid_promise_write_meta(struct ar_softc *rdp) 3302 { 3303 struct promise_raid_conf *meta; 3304 struct timeval timestamp; 3305 u_int32_t *ckptr; 3306 int count, disk, drive, error = 0; 3307 3308 if (!(meta = (struct promise_raid_conf *) 3309 kmalloc(sizeof(struct promise_raid_conf), M_AR, M_WAITOK))) { 3310 kprintf("ar%d: failed to allocate metadata storage\n", rdp->lun); 3311 return ENOMEM; 3312 } 3313 3314 rdp->generation++; 3315 microtime(×tamp); 3316 3317 for (disk = 0; disk < rdp->total_disks; disk++) { 3318 for (count = 0; count < sizeof(struct promise_raid_conf); count++) 3319 *(((u_int8_t *)meta) + count) = 255 - (count % 256); 3320 meta->dummy_0 = 0x00020000; 3321 meta->raid.disk_number = disk; 3322 3323 if (rdp->disks[disk].dev) { 3324 struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev); 3325 struct ata_channel *ch = 3326 device_get_softc(device_get_parent(rdp->disks[disk].dev)); 3327 3328 meta->raid.channel = ch->unit; 3329 meta->raid.device = ATA_DEV(atadev->unit); 3330 meta->raid.disk_sectors = rdp->disks[disk].sectors; 3331 meta->raid.disk_offset = rdp->offset_sectors; 3332 } 3333 else { 3334 meta->raid.channel = 0; 3335 meta->raid.device = 0; 3336 meta->raid.disk_sectors = 0; 3337 meta->raid.disk_offset = 0; 3338 } 3339 meta->magic_0 = PR_MAGIC0(meta->raid) | timestamp.tv_sec; 3340 meta->magic_1 = timestamp.tv_sec >> 16; 3341 meta->magic_2 = timestamp.tv_sec; 3342 meta->raid.integrity = PR_I_VALID; 3343 meta->raid.magic_0 = meta->magic_0; 3344 meta->raid.rebuild_lba = rdp->rebuild_lba; 3345 meta->raid.generation = rdp->generation; 3346 3347 if (rdp->status & AR_S_READY) { 3348 meta->raid.flags = (PR_F_VALID | PR_F_ASSIGNED | PR_F_ONLINE); 3349 meta->raid.status = 3350 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY); 3351 if (rdp->status & AR_S_DEGRADED) 3352 meta->raid.status |= PR_S_DEGRADED; 3353 else 3354 meta->raid.status |= PR_S_FUNCTIONAL; 3355 } 3356 else { 3357 meta->raid.flags = PR_F_DOWN; 3358 meta->raid.status = 0; 3359 } 3360 3361 switch (rdp->type) { 3362 case AR_T_RAID0: 3363 meta->raid.type = PR_T_RAID0; 3364 break; 3365 case AR_T_RAID1: 3366 meta->raid.type = PR_T_RAID1; 3367 break; 3368 case AR_T_RAID01: 3369 meta->raid.type = PR_T_RAID1; 3370 break; 3371 case AR_T_RAID5: 3372 meta->raid.type = PR_T_RAID5; 3373 break; 3374 case AR_T_SPAN: 3375 meta->raid.type = PR_T_SPAN; 3376 break; 3377 case AR_T_JBOD: 3378 meta->raid.type = PR_T_JBOD; 3379 break; 3380 default: 3381 kfree(meta, M_AR); 3382 return ENODEV; 3383 } 3384 3385 meta->raid.total_disks = rdp->total_disks; 3386 meta->raid.stripe_shift = ffs(rdp->interleave) - 1; 3387 meta->raid.array_width = rdp->width; 3388 meta->raid.array_number = rdp->lun; 3389 meta->raid.total_sectors = rdp->total_sectors; 3390 meta->raid.cylinders = rdp->cylinders - 1; 3391 meta->raid.heads = rdp->heads - 1; 3392 meta->raid.sectors = rdp->sectors; 3393 meta->raid.magic_1 = (u_int64_t)meta->magic_2<<16 | meta->magic_1; 3394 3395 bzero(&meta->raid.disk, 8 * 12); 3396 for (drive = 0; drive < rdp->total_disks; drive++) { 3397 meta->raid.disk[drive].flags = 0; 3398 if (rdp->disks[drive].flags & AR_DF_PRESENT) 3399 meta->raid.disk[drive].flags |= PR_F_VALID; 3400 if (rdp->disks[drive].flags & AR_DF_ASSIGNED) 3401 meta->raid.disk[drive].flags |= PR_F_ASSIGNED; 3402 if (rdp->disks[drive].flags & AR_DF_ONLINE) 3403 meta->raid.disk[drive].flags |= PR_F_ONLINE; 3404 else 3405 if (rdp->disks[drive].flags & AR_DF_PRESENT) 3406 meta->raid.disk[drive].flags = (PR_F_REDIR | PR_F_DOWN); 3407 if (rdp->disks[drive].flags & AR_DF_SPARE) 3408 meta->raid.disk[drive].flags |= PR_F_SPARE; 3409 meta->raid.disk[drive].dummy_0 = 0x0; 3410 if (rdp->disks[drive].dev) { 3411 struct ata_channel *ch = 3412 device_get_softc(device_get_parent(rdp->disks[drive].dev)); 3413 struct ata_device *atadev = 3414 device_get_softc(rdp->disks[drive].dev); 3415 3416 meta->raid.disk[drive].channel = ch->unit; 3417 meta->raid.disk[drive].device = ATA_DEV(atadev->unit); 3418 } 3419 meta->raid.disk[drive].magic_0 = 3420 PR_MAGIC0(meta->raid.disk[drive]) | timestamp.tv_sec; 3421 } 3422 3423 if (rdp->disks[disk].dev) { 3424 if ((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) == 3425 (AR_DF_PRESENT | AR_DF_ONLINE)) { 3426 if (rdp->format == AR_F_FREEBSD_RAID) 3427 bcopy(ATA_MAGIC, meta->promise_id, sizeof(ATA_MAGIC)); 3428 else 3429 bcopy(PR_MAGIC, meta->promise_id, sizeof(PR_MAGIC)); 3430 } 3431 else 3432 bzero(meta->promise_id, sizeof(meta->promise_id)); 3433 meta->checksum = 0; 3434 for (ckptr = (int32_t *)meta, count = 0; count < 511; count++) 3435 meta->checksum += *ckptr++; 3436 if (testing || bootverbose) 3437 ata_raid_promise_print_meta(meta); 3438 if (ata_raid_rw(rdp->disks[disk].dev, 3439 PROMISE_LBA(rdp->disks[disk].dev), 3440 meta, sizeof(struct promise_raid_conf), 3441 ATA_R_WRITE | ATA_R_DIRECT)) { 3442 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 3443 error = EIO; 3444 } 3445 } 3446 } 3447 kfree(meta, M_AR); 3448 return error; 3449 } 3450 3451 /* Silicon Image Medley Metadata */ 3452 static int 3453 ata_raid_sii_read_meta(device_t dev, struct ar_softc **raidp) 3454 { 3455 struct ata_raid_subdisk *ars = device_get_softc(dev); 3456 device_t parent = device_get_parent(dev); 3457 struct sii_raid_conf *meta; 3458 struct ar_softc *raid = NULL; 3459 u_int16_t checksum, *ptr; 3460 int array, count, disk, retval = 0; 3461 3462 if (!(meta = (struct sii_raid_conf *) 3463 kmalloc(sizeof(struct sii_raid_conf), M_AR, M_WAITOK | M_ZERO))) 3464 return ENOMEM; 3465 3466 if (ata_raid_rw(parent, SII_LBA(parent), 3467 meta, sizeof(struct sii_raid_conf), ATA_R_READ)) { 3468 if (testing || bootverbose) 3469 device_printf(parent, "Silicon Image read metadata failed\n"); 3470 goto sii_out; 3471 } 3472 3473 /* check if this is a Silicon Image (Medley) RAID struct */ 3474 for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 160; count++) 3475 checksum += *ptr++; 3476 if (checksum) { 3477 if (testing || bootverbose) 3478 device_printf(parent, "Silicon Image check1 failed\n"); 3479 goto sii_out; 3480 } 3481 3482 for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 256; count++) 3483 checksum += *ptr++; 3484 if (checksum != meta->checksum_1) { 3485 if (testing || bootverbose) 3486 device_printf(parent, "Silicon Image check2 failed\n"); 3487 goto sii_out; 3488 } 3489 3490 /* check verison */ 3491 if (meta->version_major != 0x0002 || 3492 (meta->version_minor != 0x0000 && meta->version_minor != 0x0001)) { 3493 if (testing || bootverbose) 3494 device_printf(parent, "Silicon Image check3 failed\n"); 3495 goto sii_out; 3496 } 3497 3498 if (testing || bootverbose) 3499 ata_raid_sii_print_meta(meta); 3500 3501 /* now convert Silicon Image meta into our generic form */ 3502 for (array = 0; array < MAX_ARRAYS; array++) { 3503 if (!raidp[array]) { 3504 raidp[array] = 3505 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3506 M_WAITOK | M_ZERO); 3507 if (!raidp[array]) { 3508 device_printf(parent, "failed to allocate metadata storage\n"); 3509 goto sii_out; 3510 } 3511 } 3512 raid = raidp[array]; 3513 if (raid->format && (raid->format != AR_F_SII_RAID)) 3514 continue; 3515 3516 if (raid->format == AR_F_SII_RAID && 3517 (raid->magic_0 != *((u_int64_t *)meta->timestamp))) { 3518 continue; 3519 } 3520 3521 /* update our knowledge about the array config based on generation */ 3522 if (!meta->generation || meta->generation > raid->generation) { 3523 switch (meta->type) { 3524 case SII_T_RAID0: 3525 raid->type = AR_T_RAID0; 3526 break; 3527 3528 case SII_T_RAID1: 3529 raid->type = AR_T_RAID1; 3530 break; 3531 3532 case SII_T_RAID01: 3533 raid->type = AR_T_RAID01; 3534 break; 3535 3536 case SII_T_SPARE: 3537 device_printf(parent, "Silicon Image SPARE disk\n"); 3538 kfree(raidp[array], M_AR); 3539 raidp[array] = NULL; 3540 goto sii_out; 3541 3542 default: 3543 device_printf(parent,"Silicon Image unknown RAID type 0x%02x\n", 3544 meta->type); 3545 kfree(raidp[array], M_AR); 3546 raidp[array] = NULL; 3547 goto sii_out; 3548 } 3549 raid->magic_0 = *((u_int64_t *)meta->timestamp); 3550 raid->format = AR_F_SII_RAID; 3551 raid->generation = meta->generation; 3552 raid->interleave = meta->stripe_sectors; 3553 raid->width = (meta->raid0_disks != 0xff) ? meta->raid0_disks : 1; 3554 raid->total_disks = 3555 ((meta->raid0_disks != 0xff) ? meta->raid0_disks : 0) + 3556 ((meta->raid1_disks != 0xff) ? meta->raid1_disks : 0); 3557 raid->total_sectors = meta->total_sectors; 3558 raid->heads = 255; 3559 raid->sectors = 63; 3560 raid->cylinders = raid->total_sectors / (63 * 255); 3561 raid->offset_sectors = 0; 3562 raid->rebuild_lba = meta->rebuild_lba; 3563 raid->lun = array; 3564 strncpy(raid->name, meta->name, 3565 min(sizeof(raid->name), sizeof(meta->name))); 3566 3567 /* clear out any old info */ 3568 if (raid->generation) { 3569 for (disk = 0; disk < raid->total_disks; disk++) { 3570 raid->disks[disk].dev = NULL; 3571 raid->disks[disk].flags = 0; 3572 } 3573 } 3574 } 3575 if (meta->generation >= raid->generation) { 3576 /* XXX SOS add check for the right physical disk by serial# */ 3577 if (meta->status & SII_S_READY) { 3578 int disk_number = (raid->type == AR_T_RAID01) ? 3579 meta->raid1_ident + (meta->raid0_ident << 1) : 3580 meta->disk_number; 3581 3582 raid->disks[disk_number].dev = parent; 3583 raid->disks[disk_number].sectors = 3584 raid->total_sectors / raid->width; 3585 raid->disks[disk_number].flags = 3586 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 3587 ars->raid[raid->volume] = raid; 3588 ars->disk_number[raid->volume] = disk_number; 3589 retval = 1; 3590 } 3591 } 3592 break; 3593 } 3594 3595 sii_out: 3596 kfree(meta, M_AR); 3597 return retval; 3598 } 3599 3600 /* Silicon Integrated Systems Metadata */ 3601 static int 3602 ata_raid_sis_read_meta(device_t dev, struct ar_softc **raidp) 3603 { 3604 struct ata_raid_subdisk *ars = device_get_softc(dev); 3605 device_t parent = device_get_parent(dev); 3606 struct sis_raid_conf *meta; 3607 struct ar_softc *raid = NULL; 3608 int array, disk_number, drive, retval = 0; 3609 3610 if (!(meta = (struct sis_raid_conf *) 3611 kmalloc(sizeof(struct sis_raid_conf), M_AR, M_WAITOK | M_ZERO))) 3612 return ENOMEM; 3613 3614 if (ata_raid_rw(parent, SIS_LBA(parent), 3615 meta, sizeof(struct sis_raid_conf), ATA_R_READ)) { 3616 if (testing || bootverbose) 3617 device_printf(parent, 3618 "Silicon Integrated Systems read metadata failed\n"); 3619 } 3620 3621 /* check for SiS magic */ 3622 if (meta->magic != SIS_MAGIC) { 3623 if (testing || bootverbose) 3624 device_printf(parent, 3625 "Silicon Integrated Systems check1 failed\n"); 3626 goto sis_out; 3627 } 3628 3629 if (testing || bootverbose) 3630 ata_raid_sis_print_meta(meta); 3631 3632 /* now convert SiS meta into our generic form */ 3633 for (array = 0; array < MAX_ARRAYS; array++) { 3634 if (!raidp[array]) { 3635 raidp[array] = 3636 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3637 M_WAITOK | M_ZERO); 3638 if (!raidp[array]) { 3639 device_printf(parent, "failed to allocate metadata storage\n"); 3640 goto sis_out; 3641 } 3642 } 3643 3644 raid = raidp[array]; 3645 if (raid->format && (raid->format != AR_F_SIS_RAID)) 3646 continue; 3647 3648 if ((raid->format == AR_F_SIS_RAID) && 3649 ((raid->magic_0 != meta->controller_pci_id) || 3650 (raid->magic_1 != meta->timestamp))) { 3651 continue; 3652 } 3653 3654 switch (meta->type_total_disks & SIS_T_MASK) { 3655 case SIS_T_JBOD: 3656 raid->type = AR_T_JBOD; 3657 raid->width = (meta->type_total_disks & SIS_D_MASK); 3658 raid->total_sectors += SIS_LBA(parent); 3659 break; 3660 3661 case SIS_T_RAID0: 3662 raid->type = AR_T_RAID0; 3663 raid->width = (meta->type_total_disks & SIS_D_MASK); 3664 if (!raid->total_sectors || 3665 (raid->total_sectors > (raid->width * SIS_LBA(parent)))) 3666 raid->total_sectors = raid->width * SIS_LBA(parent); 3667 break; 3668 3669 case SIS_T_RAID1: 3670 raid->type = AR_T_RAID1; 3671 raid->width = 1; 3672 if (!raid->total_sectors || (raid->total_sectors > SIS_LBA(parent))) 3673 raid->total_sectors = SIS_LBA(parent); 3674 break; 3675 3676 default: 3677 device_printf(parent, "Silicon Integrated Systems " 3678 "unknown RAID type 0x%08x\n", meta->magic); 3679 kfree(raidp[array], M_AR); 3680 raidp[array] = NULL; 3681 goto sis_out; 3682 } 3683 raid->magic_0 = meta->controller_pci_id; 3684 raid->magic_1 = meta->timestamp; 3685 raid->format = AR_F_SIS_RAID; 3686 raid->generation = 0; 3687 raid->interleave = meta->stripe_sectors; 3688 raid->total_disks = (meta->type_total_disks & SIS_D_MASK); 3689 raid->heads = 255; 3690 raid->sectors = 63; 3691 raid->cylinders = raid->total_sectors / (63 * 255); 3692 raid->offset_sectors = 0; 3693 raid->rebuild_lba = 0; 3694 raid->lun = array; 3695 /* XXX SOS if total_disks > 2 this doesn't float */ 3696 if (((meta->disks & SIS_D_MASTER) >> 4) == meta->disk_number) 3697 disk_number = 0; 3698 else 3699 disk_number = 1; 3700 3701 for (drive = 0; drive < raid->total_disks; drive++) { 3702 raid->disks[drive].sectors = raid->total_sectors/raid->width; 3703 if (drive == disk_number) { 3704 raid->disks[disk_number].dev = parent; 3705 raid->disks[disk_number].flags = 3706 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 3707 ars->raid[raid->volume] = raid; 3708 ars->disk_number[raid->volume] = disk_number; 3709 } 3710 } 3711 retval = 1; 3712 break; 3713 } 3714 3715 sis_out: 3716 kfree(meta, M_AR); 3717 return retval; 3718 } 3719 3720 static int 3721 ata_raid_sis_write_meta(struct ar_softc *rdp) 3722 { 3723 struct sis_raid_conf *meta; 3724 struct timeval timestamp; 3725 int disk, error = 0; 3726 3727 if (!(meta = (struct sis_raid_conf *) 3728 kmalloc(sizeof(struct sis_raid_conf), M_AR, M_WAITOK | M_ZERO))) { 3729 kprintf("ar%d: failed to allocate metadata storage\n", rdp->lun); 3730 return ENOMEM; 3731 } 3732 3733 rdp->generation++; 3734 microtime(×tamp); 3735 3736 meta->magic = SIS_MAGIC; 3737 /* XXX SOS if total_disks > 2 this doesn't float */ 3738 for (disk = 0; disk < rdp->total_disks; disk++) { 3739 if (rdp->disks[disk].dev) { 3740 struct ata_channel *ch = 3741 device_get_softc(device_get_parent(rdp->disks[disk].dev)); 3742 struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev); 3743 int disk_number = 1 + ATA_DEV(atadev->unit) + (ch->unit << 1); 3744 3745 meta->disks |= disk_number << ((1 - disk) << 2); 3746 } 3747 } 3748 switch (rdp->type) { 3749 case AR_T_JBOD: 3750 meta->type_total_disks = SIS_T_JBOD; 3751 break; 3752 3753 case AR_T_RAID0: 3754 meta->type_total_disks = SIS_T_RAID0; 3755 break; 3756 3757 case AR_T_RAID1: 3758 meta->type_total_disks = SIS_T_RAID1; 3759 break; 3760 3761 default: 3762 kfree(meta, M_AR); 3763 return ENODEV; 3764 } 3765 meta->type_total_disks |= (rdp->total_disks & SIS_D_MASK); 3766 meta->stripe_sectors = rdp->interleave; 3767 meta->timestamp = timestamp.tv_sec; 3768 3769 for (disk = 0; disk < rdp->total_disks; disk++) { 3770 if (rdp->disks[disk].dev) { 3771 struct ata_channel *ch = 3772 device_get_softc(device_get_parent(rdp->disks[disk].dev)); 3773 struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev); 3774 3775 meta->controller_pci_id = 3776 (pci_get_vendor(GRANDPARENT(rdp->disks[disk].dev)) << 16) | 3777 pci_get_device(GRANDPARENT(rdp->disks[disk].dev)); 3778 bcopy(atadev->param.model, meta->model, sizeof(meta->model)); 3779 3780 /* XXX SOS if total_disks > 2 this may not float */ 3781 meta->disk_number = 1 + ATA_DEV(atadev->unit) + (ch->unit << 1); 3782 3783 if (testing || bootverbose) 3784 ata_raid_sis_print_meta(meta); 3785 3786 if (ata_raid_rw(rdp->disks[disk].dev, 3787 SIS_LBA(rdp->disks[disk].dev), 3788 meta, sizeof(struct sis_raid_conf), 3789 ATA_R_WRITE | ATA_R_DIRECT)) { 3790 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 3791 error = EIO; 3792 } 3793 } 3794 } 3795 kfree(meta, M_AR); 3796 return error; 3797 } 3798 3799 /* VIA Tech V-RAID Metadata */ 3800 static int 3801 ata_raid_via_read_meta(device_t dev, struct ar_softc **raidp) 3802 { 3803 struct ata_raid_subdisk *ars = device_get_softc(dev); 3804 device_t parent = device_get_parent(dev); 3805 struct via_raid_conf *meta; 3806 struct ar_softc *raid = NULL; 3807 u_int8_t checksum, *ptr; 3808 int array, count, disk, retval = 0; 3809 3810 if (!(meta = (struct via_raid_conf *) 3811 kmalloc(sizeof(struct via_raid_conf), M_AR, M_WAITOK | M_ZERO))) 3812 return ENOMEM; 3813 3814 if (ata_raid_rw(parent, VIA_LBA(parent), 3815 meta, sizeof(struct via_raid_conf), ATA_R_READ)) { 3816 if (testing || bootverbose) 3817 device_printf(parent, "VIA read metadata failed\n"); 3818 goto via_out; 3819 } 3820 3821 /* check if this is a VIA RAID struct */ 3822 if (meta->magic != VIA_MAGIC) { 3823 if (testing || bootverbose) 3824 device_printf(parent, "VIA check1 failed\n"); 3825 goto via_out; 3826 } 3827 3828 /* calculate checksum and compare for valid */ 3829 for (checksum = 0, ptr = (u_int8_t *)meta, count = 0; count < 50; count++) 3830 checksum += *ptr++; 3831 if (checksum != meta->checksum) { 3832 if (testing || bootverbose) 3833 device_printf(parent, "VIA check2 failed\n"); 3834 goto via_out; 3835 } 3836 3837 if (testing || bootverbose) 3838 ata_raid_via_print_meta(meta); 3839 3840 /* now convert VIA meta into our generic form */ 3841 for (array = 0; array < MAX_ARRAYS; array++) { 3842 if (!raidp[array]) { 3843 raidp[array] = 3844 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR, 3845 M_WAITOK | M_ZERO); 3846 if (!raidp[array]) { 3847 device_printf(parent, "failed to allocate metadata storage\n"); 3848 goto via_out; 3849 } 3850 } 3851 raid = raidp[array]; 3852 if (raid->format && (raid->format != AR_F_VIA_RAID)) 3853 continue; 3854 3855 if (raid->format == AR_F_VIA_RAID && (raid->magic_0 != meta->disks[0])) 3856 continue; 3857 3858 switch (meta->type & VIA_T_MASK) { 3859 case VIA_T_RAID0: 3860 raid->type = AR_T_RAID0; 3861 raid->width = meta->stripe_layout & VIA_L_DISKS; 3862 if (!raid->total_sectors || 3863 (raid->total_sectors > (raid->width * meta->disk_sectors))) 3864 raid->total_sectors = raid->width * meta->disk_sectors; 3865 break; 3866 3867 case VIA_T_RAID1: 3868 raid->type = AR_T_RAID1; 3869 raid->width = 1; 3870 raid->total_sectors = meta->disk_sectors; 3871 break; 3872 3873 case VIA_T_RAID01: 3874 raid->type = AR_T_RAID01; 3875 raid->width = meta->stripe_layout & VIA_L_DISKS; 3876 if (!raid->total_sectors || 3877 (raid->total_sectors > (raid->width * meta->disk_sectors))) 3878 raid->total_sectors = raid->width * meta->disk_sectors; 3879 break; 3880 3881 case VIA_T_RAID5: 3882 raid->type = AR_T_RAID5; 3883 raid->width = meta->stripe_layout & VIA_L_DISKS; 3884 if (!raid->total_sectors || 3885 (raid->total_sectors > ((raid->width - 1)*meta->disk_sectors))) 3886 raid->total_sectors = (raid->width - 1) * meta->disk_sectors; 3887 break; 3888 3889 case VIA_T_SPAN: 3890 raid->type = AR_T_SPAN; 3891 raid->width = 1; 3892 raid->total_sectors += meta->disk_sectors; 3893 break; 3894 3895 default: 3896 device_printf(parent,"VIA unknown RAID type 0x%02x\n", meta->type); 3897 kfree(raidp[array], M_AR); 3898 raidp[array] = NULL; 3899 goto via_out; 3900 } 3901 raid->magic_0 = meta->disks[0]; 3902 raid->format = AR_F_VIA_RAID; 3903 raid->generation = 0; 3904 raid->interleave = 3905 0x08 << ((meta->stripe_layout & VIA_L_MASK) >> VIA_L_SHIFT); 3906 for (count = 0, disk = 0; disk < 8; disk++) 3907 if (meta->disks[disk]) 3908 count++; 3909 raid->total_disks = count; 3910 raid->heads = 255; 3911 raid->sectors = 63; 3912 raid->cylinders = raid->total_sectors / (63 * 255); 3913 raid->offset_sectors = 0; 3914 raid->rebuild_lba = 0; 3915 raid->lun = array; 3916 3917 for (disk = 0; disk < raid->total_disks; disk++) { 3918 if (meta->disks[disk] == meta->disk_id) { 3919 raid->disks[disk].dev = parent; 3920 bcopy(&meta->disk_id, raid->disks[disk].serial, 3921 sizeof(u_int32_t)); 3922 raid->disks[disk].sectors = meta->disk_sectors; 3923 raid->disks[disk].flags = 3924 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); 3925 ars->raid[raid->volume] = raid; 3926 ars->disk_number[raid->volume] = disk; 3927 retval = 1; 3928 break; 3929 } 3930 } 3931 break; 3932 } 3933 3934 via_out: 3935 kfree(meta, M_AR); 3936 return retval; 3937 } 3938 3939 static int 3940 ata_raid_via_write_meta(struct ar_softc *rdp) 3941 { 3942 struct via_raid_conf *meta; 3943 int disk, error = 0; 3944 3945 if (!(meta = (struct via_raid_conf *) 3946 kmalloc(sizeof(struct via_raid_conf), M_AR, M_WAITOK | M_ZERO))) { 3947 kprintf("ar%d: failed to allocate metadata storage\n", rdp->lun); 3948 return ENOMEM; 3949 } 3950 3951 rdp->generation++; 3952 3953 meta->magic = VIA_MAGIC; 3954 meta->dummy_0 = 0x02; 3955 switch (rdp->type) { 3956 case AR_T_SPAN: 3957 meta->type = VIA_T_SPAN; 3958 meta->stripe_layout = (rdp->total_disks & VIA_L_DISKS); 3959 break; 3960 3961 case AR_T_RAID0: 3962 meta->type = VIA_T_RAID0; 3963 meta->stripe_layout = ((rdp->interleave >> 1) & VIA_L_MASK); 3964 meta->stripe_layout |= (rdp->total_disks & VIA_L_DISKS); 3965 break; 3966 3967 case AR_T_RAID1: 3968 meta->type = VIA_T_RAID1; 3969 meta->stripe_layout = (rdp->total_disks & VIA_L_DISKS); 3970 break; 3971 3972 case AR_T_RAID5: 3973 meta->type = VIA_T_RAID5; 3974 meta->stripe_layout = ((rdp->interleave >> 1) & VIA_L_MASK); 3975 meta->stripe_layout |= (rdp->total_disks & VIA_L_DISKS); 3976 break; 3977 3978 case AR_T_RAID01: 3979 meta->type = VIA_T_RAID01; 3980 meta->stripe_layout = ((rdp->interleave >> 1) & VIA_L_MASK); 3981 meta->stripe_layout |= (rdp->width & VIA_L_DISKS); 3982 break; 3983 3984 default: 3985 kfree(meta, M_AR); 3986 return ENODEV; 3987 } 3988 meta->type |= VIA_T_BOOTABLE; /* XXX SOS */ 3989 meta->disk_sectors = 3990 rdp->total_sectors / (rdp->width - (rdp->type == AR_RAID5)); 3991 for (disk = 0; disk < rdp->total_disks; disk++) 3992 meta->disks[disk] = (u_int32_t)(uintptr_t)rdp->disks[disk].dev; 3993 3994 for (disk = 0; disk < rdp->total_disks; disk++) { 3995 if (rdp->disks[disk].dev) { 3996 u_int8_t *ptr; 3997 int count; 3998 3999 meta->disk_index = disk * sizeof(u_int32_t); 4000 if (rdp->type == AR_T_RAID01) 4001 meta->disk_index = ((meta->disk_index & 0x08) << 2) | 4002 (meta->disk_index & ~0x08); 4003 meta->disk_id = meta->disks[disk]; 4004 meta->checksum = 0; 4005 for (ptr = (u_int8_t *)meta, count = 0; count < 50; count++) 4006 meta->checksum += *ptr++; 4007 4008 if (testing || bootverbose) 4009 ata_raid_via_print_meta(meta); 4010 4011 if (ata_raid_rw(rdp->disks[disk].dev, 4012 VIA_LBA(rdp->disks[disk].dev), 4013 meta, sizeof(struct via_raid_conf), 4014 ATA_R_WRITE | ATA_R_DIRECT)) { 4015 device_printf(rdp->disks[disk].dev, "write metadata failed\n"); 4016 error = EIO; 4017 } 4018 } 4019 } 4020 kfree(meta, M_AR); 4021 return error; 4022 } 4023 4024 static struct ata_request * 4025 ata_raid_init_request(struct ar_softc *rdp, struct bio *bio) 4026 { 4027 struct ata_request *request; 4028 4029 if (!(request = ata_alloc_request())) { 4030 kprintf("FAILURE - out of memory in ata_raid_init_request\n"); 4031 return NULL; 4032 } 4033 request->timeout = 5; 4034 request->retries = 2; 4035 request->callback = ata_raid_done; 4036 request->driver = rdp; 4037 request->bio = bio; 4038 switch (request->bio->bio_buf->b_cmd) { 4039 case BUF_CMD_READ: 4040 request->flags = ATA_R_READ; 4041 break; 4042 case BUF_CMD_WRITE: 4043 request->flags = ATA_R_WRITE; 4044 break; 4045 default: 4046 kprintf("ar%d: FAILURE - unknown BUF operation\n", rdp->lun); 4047 ata_free_request(request); 4048 #if 0 4049 bio->bio_buf->b_flags |= B_ERROR; 4050 bio->bio_buf->b_error = EIO; 4051 biodone(bio); 4052 #endif /* 0 */ 4053 return(NULL); 4054 } 4055 return request; 4056 } 4057 4058 static int 4059 ata_raid_send_request(struct ata_request *request) 4060 { 4061 struct ata_device *atadev = device_get_softc(request->dev); 4062 4063 request->transfersize = min(request->bytecount, atadev->max_iosize); 4064 if (request->flags & ATA_R_READ) { 4065 if (atadev->mode >= ATA_DMA) { 4066 request->flags |= ATA_R_DMA; 4067 request->u.ata.command = ATA_READ_DMA; 4068 } 4069 else if (atadev->max_iosize > DEV_BSIZE) 4070 request->u.ata.command = ATA_READ_MUL; 4071 else 4072 request->u.ata.command = ATA_READ; 4073 } 4074 else if (request->flags & ATA_R_WRITE) { 4075 if (atadev->mode >= ATA_DMA) { 4076 request->flags |= ATA_R_DMA; 4077 request->u.ata.command = ATA_WRITE_DMA; 4078 } 4079 else if (atadev->max_iosize > DEV_BSIZE) 4080 request->u.ata.command = ATA_WRITE_MUL; 4081 else 4082 request->u.ata.command = ATA_WRITE; 4083 } 4084 else { 4085 device_printf(request->dev, "FAILURE - unknown IO operation\n"); 4086 ata_free_request(request); 4087 return EIO; 4088 } 4089 request->flags |= (ATA_R_ORDERED | ATA_R_THREAD); 4090 ata_queue_request(request); 4091 return 0; 4092 } 4093 4094 static int 4095 ata_raid_rw(device_t dev, u_int64_t lba, void *data, u_int bcount, int flags) 4096 { 4097 struct ata_device *atadev = device_get_softc(dev); 4098 struct ata_request *request; 4099 int error; 4100 4101 if (bcount % DEV_BSIZE) { 4102 device_printf(dev, "FAILURE - transfers must be modulo sectorsize\n"); 4103 return ENOMEM; 4104 } 4105 4106 if (!(request = ata_alloc_request())) { 4107 device_printf(dev, "FAILURE - out of memory in ata_raid_rw\n"); 4108 return ENOMEM; 4109 } 4110 4111 /* setup request */ 4112 request->dev = dev; 4113 request->timeout = 10; 4114 request->retries = 0; 4115 request->data = data; 4116 request->bytecount = bcount; 4117 request->transfersize = DEV_BSIZE; 4118 request->u.ata.lba = lba; 4119 request->u.ata.count = request->bytecount / DEV_BSIZE; 4120 request->flags = flags; 4121 4122 if (flags & ATA_R_READ) { 4123 if (atadev->mode >= ATA_DMA) { 4124 request->u.ata.command = ATA_READ_DMA; 4125 request->flags |= ATA_R_DMA; 4126 } 4127 else 4128 request->u.ata.command = ATA_READ; 4129 ata_queue_request(request); 4130 } 4131 else if (flags & ATA_R_WRITE) { 4132 if (atadev->mode >= ATA_DMA) { 4133 request->u.ata.command = ATA_WRITE_DMA; 4134 request->flags |= ATA_R_DMA; 4135 } 4136 else 4137 request->u.ata.command = ATA_WRITE; 4138 ata_queue_request(request); 4139 } 4140 else { 4141 device_printf(dev, "FAILURE - unknown IO operation\n"); 4142 request->result = EIO; 4143 } 4144 error = request->result; 4145 ata_free_request(request); 4146 return error; 4147 } 4148 4149 /* 4150 * module handeling 4151 */ 4152 static int 4153 ata_raid_subdisk_probe(device_t dev) 4154 { 4155 device_quiet(dev); 4156 return 0; 4157 } 4158 4159 static int 4160 ata_raid_subdisk_attach(device_t dev) 4161 { 4162 struct ata_raid_subdisk *ars = device_get_softc(dev); 4163 int volume; 4164 4165 for (volume = 0; volume < MAX_VOLUMES; volume++) { 4166 ars->raid[volume] = NULL; 4167 ars->disk_number[volume] = -1; 4168 } 4169 ata_raid_read_metadata(dev); 4170 return 0; 4171 } 4172 4173 static int 4174 ata_raid_subdisk_detach(device_t dev) 4175 { 4176 struct ata_raid_subdisk *ars = device_get_softc(dev); 4177 int volume; 4178 4179 for (volume = 0; volume < MAX_VOLUMES; volume++) { 4180 if (ars->raid[volume]) { 4181 ars->raid[volume]->disks[ars->disk_number[volume]].flags &= 4182 ~(AR_DF_PRESENT | AR_DF_ONLINE); 4183 ars->raid[volume]->disks[ars->disk_number[volume]].dev = NULL; 4184 ata_raid_config_changed(ars->raid[volume], 1); 4185 ars->raid[volume] = NULL; 4186 ars->disk_number[volume] = -1; 4187 } 4188 } 4189 return 0; 4190 } 4191 4192 static device_method_t ata_raid_sub_methods[] = { 4193 /* device interface */ 4194 DEVMETHOD(device_probe, ata_raid_subdisk_probe), 4195 DEVMETHOD(device_attach, ata_raid_subdisk_attach), 4196 DEVMETHOD(device_detach, ata_raid_subdisk_detach), 4197 { 0, 0 } 4198 }; 4199 4200 static driver_t ata_raid_sub_driver = { 4201 "subdisk", 4202 ata_raid_sub_methods, 4203 sizeof(struct ata_raid_subdisk) 4204 }; 4205 4206 DRIVER_MODULE(subdisk, ad, ata_raid_sub_driver, ata_raid_sub_devclass, NULL, NULL); 4207 4208 static int 4209 ata_raid_module_event_handler(module_t mod, int what, void *arg) 4210 { 4211 int i; 4212 4213 switch (what) { 4214 case MOD_LOAD: 4215 if (testing || bootverbose) 4216 kprintf("ATA PseudoRAID loaded\n"); 4217 #if 0 4218 /* setup table to hold metadata for all ATA PseudoRAID arrays */ 4219 ata_raid_arrays = kmalloc(sizeof(struct ar_soft *) * MAX_ARRAYS, 4220 M_AR, M_WAITOK | M_ZERO); 4221 if (!ata_raid_arrays) { 4222 kprintf("ataraid: no memory for metadata storage\n"); 4223 return ENOMEM; 4224 } 4225 #endif 4226 /* attach found PseudoRAID arrays */ 4227 for (i = 0; i < MAX_ARRAYS; i++) { 4228 struct ar_softc *rdp = ata_raid_arrays[i]; 4229 4230 if (!rdp || !rdp->format) 4231 continue; 4232 if (testing || bootverbose) 4233 ata_raid_print_meta(rdp); 4234 ata_raid_attach(rdp, 0); 4235 } 4236 ata_raid_ioctl_func = ata_raid_ioctl; 4237 return 0; 4238 4239 case MOD_UNLOAD: 4240 /* detach found PseudoRAID arrays */ 4241 for (i = 0; i < MAX_ARRAYS; i++) { 4242 struct ar_softc *rdp = ata_raid_arrays[i]; 4243 4244 if (!rdp || !rdp->status) 4245 continue; 4246 disk_destroy(&rdp->disk); 4247 } 4248 if (testing || bootverbose) 4249 kprintf("ATA PseudoRAID unloaded\n"); 4250 #if 0 4251 kfree(ata_raid_arrays, M_AR); 4252 #endif 4253 ata_raid_ioctl_func = NULL; 4254 return 0; 4255 4256 default: 4257 return EOPNOTSUPP; 4258 } 4259 } 4260 4261 static moduledata_t ata_raid_moduledata = 4262 { "ataraid", ata_raid_module_event_handler, NULL }; 4263 DECLARE_MODULE(ata, ata_raid_moduledata, SI_SUB_RAID, SI_ORDER_FIRST); 4264 MODULE_VERSION(ataraid, 1); 4265 MODULE_DEPEND(ataraid, ata, 1, 1, 1); 4266 MODULE_DEPEND(ataraid, ad, 1, 1, 1); 4267 4268 static char * 4269 ata_raid_format(struct ar_softc *rdp) 4270 { 4271 switch (rdp->format) { 4272 case AR_F_FREEBSD_RAID: return "FreeBSD PseudoRAID"; 4273 case AR_F_ADAPTEC_RAID: return "Adaptec HostRAID"; 4274 case AR_F_HPTV2_RAID: return "HighPoint v2 RocketRAID"; 4275 case AR_F_HPTV3_RAID: return "HighPoint v3 RocketRAID"; 4276 case AR_F_INTEL_RAID: return "Intel MatrixRAID"; 4277 case AR_F_ITE_RAID: return "Integrated Technology Express"; 4278 case AR_F_JMICRON_RAID: return "JMicron Technology Corp"; 4279 case AR_F_LSIV2_RAID: return "LSILogic v2 MegaRAID"; 4280 case AR_F_LSIV3_RAID: return "LSILogic v3 MegaRAID"; 4281 case AR_F_NVIDIA_RAID: return "nVidia MediaShield"; 4282 case AR_F_PROMISE_RAID: return "Promise Fasttrak"; 4283 case AR_F_SII_RAID: return "Silicon Image Medley"; 4284 case AR_F_SIS_RAID: return "Silicon Integrated Systems"; 4285 case AR_F_VIA_RAID: return "VIA Tech V-RAID"; 4286 default: return "UNKNOWN"; 4287 } 4288 } 4289 4290 static char * 4291 ata_raid_type(struct ar_softc *rdp) 4292 { 4293 switch (rdp->type) { 4294 case AR_T_JBOD: return "JBOD"; 4295 case AR_T_SPAN: return "SPAN"; 4296 case AR_T_RAID0: return "RAID0"; 4297 case AR_T_RAID1: return "RAID1"; 4298 case AR_T_RAID3: return "RAID3"; 4299 case AR_T_RAID4: return "RAID4"; 4300 case AR_T_RAID5: return "RAID5"; 4301 case AR_T_RAID01: return "RAID0+1"; 4302 default: return "UNKNOWN"; 4303 } 4304 } 4305 4306 static char * 4307 ata_raid_flags(struct ar_softc *rdp) 4308 { 4309 switch (rdp->status & (AR_S_READY | AR_S_DEGRADED | AR_S_REBUILDING)) { 4310 case AR_S_READY: return "READY"; 4311 case AR_S_READY | AR_S_DEGRADED: return "DEGRADED"; 4312 case AR_S_READY | AR_S_REBUILDING: 4313 case AR_S_READY | AR_S_DEGRADED | AR_S_REBUILDING: return "REBUILDING"; 4314 default: return "BROKEN"; 4315 } 4316 } 4317 4318 /* debugging gunk */ 4319 static void 4320 ata_raid_print_meta(struct ar_softc *raid) 4321 { 4322 int i; 4323 4324 kprintf("********** ATA PseudoRAID ar%d Metadata **********\n", raid->lun); 4325 kprintf("=================================================\n"); 4326 kprintf("format %s\n", ata_raid_format(raid)); 4327 kprintf("type %s\n", ata_raid_type(raid)); 4328 kprintf("flags 0x%02x %b\n", raid->status, raid->status, 4329 "\20\3REBUILDING\2DEGRADED\1READY\n"); 4330 kprintf("magic_0 0x%016jx\n", raid->magic_0); 4331 kprintf("magic_1 0x%016jx\n",raid->magic_1); 4332 kprintf("generation %u\n", raid->generation); 4333 kprintf("total_sectors %ju\n", raid->total_sectors); 4334 kprintf("offset_sectors %ju\n", raid->offset_sectors); 4335 kprintf("heads %u\n", raid->heads); 4336 kprintf("sectors %u\n", raid->sectors); 4337 kprintf("cylinders %u\n", raid->cylinders); 4338 kprintf("width %u\n", raid->width); 4339 kprintf("interleave %u\n", raid->interleave); 4340 kprintf("total_disks %u\n", raid->total_disks); 4341 for (i = 0; i < raid->total_disks; i++) { 4342 kprintf(" disk %d: flags = 0x%02x %b\n", i, raid->disks[i].flags, 4343 raid->disks[i].flags, "\20\4ONLINE\3SPARE\2ASSIGNED\1PRESENT\n"); 4344 if (raid->disks[i].dev) { 4345 kprintf(" "); 4346 device_printf(raid->disks[i].dev, " sectors %jd\n", 4347 raid->disks[i].sectors); 4348 } 4349 } 4350 kprintf("=================================================\n"); 4351 } 4352 4353 static char * 4354 ata_raid_adaptec_type(int type) 4355 { 4356 static char buffer[16]; 4357 4358 switch (type) { 4359 case ADP_T_RAID0: return "RAID0"; 4360 case ADP_T_RAID1: return "RAID1"; 4361 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4362 return buffer; 4363 } 4364 } 4365 4366 static void 4367 ata_raid_adaptec_print_meta(struct adaptec_raid_conf *meta) 4368 { 4369 int i; 4370 4371 kprintf("********* ATA Adaptec HostRAID Metadata *********\n"); 4372 kprintf("magic_0 <0x%08x>\n", be32toh(meta->magic_0)); 4373 kprintf("generation 0x%08x\n", be32toh(meta->generation)); 4374 kprintf("dummy_0 0x%04x\n", be16toh(meta->dummy_0)); 4375 kprintf("total_configs %u\n", be16toh(meta->total_configs)); 4376 kprintf("dummy_1 0x%04x\n", be16toh(meta->dummy_1)); 4377 kprintf("checksum 0x%04x\n", be16toh(meta->checksum)); 4378 kprintf("dummy_2 0x%08x\n", be32toh(meta->dummy_2)); 4379 kprintf("dummy_3 0x%08x\n", be32toh(meta->dummy_3)); 4380 kprintf("flags 0x%08x\n", be32toh(meta->flags)); 4381 kprintf("timestamp 0x%08x\n", be32toh(meta->timestamp)); 4382 kprintf("dummy_4 0x%08x 0x%08x 0x%08x 0x%08x\n", 4383 be32toh(meta->dummy_4[0]), be32toh(meta->dummy_4[1]), 4384 be32toh(meta->dummy_4[2]), be32toh(meta->dummy_4[3])); 4385 kprintf("dummy_5 0x%08x 0x%08x 0x%08x 0x%08x\n", 4386 be32toh(meta->dummy_5[0]), be32toh(meta->dummy_5[1]), 4387 be32toh(meta->dummy_5[2]), be32toh(meta->dummy_5[3])); 4388 4389 for (i = 0; i < be16toh(meta->total_configs); i++) { 4390 kprintf(" %d total_disks %u\n", i, 4391 be16toh(meta->configs[i].disk_number)); 4392 kprintf(" %d generation %u\n", i, 4393 be16toh(meta->configs[i].generation)); 4394 kprintf(" %d magic_0 0x%08x\n", i, 4395 be32toh(meta->configs[i].magic_0)); 4396 kprintf(" %d dummy_0 0x%02x\n", i, meta->configs[i].dummy_0); 4397 kprintf(" %d type %s\n", i, 4398 ata_raid_adaptec_type(meta->configs[i].type)); 4399 kprintf(" %d dummy_1 0x%02x\n", i, meta->configs[i].dummy_1); 4400 kprintf(" %d flags %d\n", i, 4401 be32toh(meta->configs[i].flags)); 4402 kprintf(" %d dummy_2 0x%02x\n", i, meta->configs[i].dummy_2); 4403 kprintf(" %d dummy_3 0x%02x\n", i, meta->configs[i].dummy_3); 4404 kprintf(" %d dummy_4 0x%02x\n", i, meta->configs[i].dummy_4); 4405 kprintf(" %d dummy_5 0x%02x\n", i, meta->configs[i].dummy_5); 4406 kprintf(" %d disk_number %u\n", i, 4407 be32toh(meta->configs[i].disk_number)); 4408 kprintf(" %d dummy_6 0x%08x\n", i, 4409 be32toh(meta->configs[i].dummy_6)); 4410 kprintf(" %d sectors %u\n", i, 4411 be32toh(meta->configs[i].sectors)); 4412 kprintf(" %d stripe_shift %u\n", i, 4413 be16toh(meta->configs[i].stripe_shift)); 4414 kprintf(" %d dummy_7 0x%08x\n", i, 4415 be32toh(meta->configs[i].dummy_7)); 4416 kprintf(" %d dummy_8 0x%08x 0x%08x 0x%08x 0x%08x\n", i, 4417 be32toh(meta->configs[i].dummy_8[0]), 4418 be32toh(meta->configs[i].dummy_8[1]), 4419 be32toh(meta->configs[i].dummy_8[2]), 4420 be32toh(meta->configs[i].dummy_8[3])); 4421 kprintf(" %d name <%s>\n", i, meta->configs[i].name); 4422 } 4423 kprintf("magic_1 <0x%08x>\n", be32toh(meta->magic_1)); 4424 kprintf("magic_2 <0x%08x>\n", be32toh(meta->magic_2)); 4425 kprintf("magic_3 <0x%08x>\n", be32toh(meta->magic_3)); 4426 kprintf("magic_4 <0x%08x>\n", be32toh(meta->magic_4)); 4427 kprintf("=================================================\n"); 4428 } 4429 4430 static char * 4431 ata_raid_hptv2_type(int type) 4432 { 4433 static char buffer[16]; 4434 4435 switch (type) { 4436 case HPTV2_T_RAID0: return "RAID0"; 4437 case HPTV2_T_RAID1: return "RAID1"; 4438 case HPTV2_T_RAID01_RAID0: return "RAID01_RAID0"; 4439 case HPTV2_T_SPAN: return "SPAN"; 4440 case HPTV2_T_RAID_3: return "RAID3"; 4441 case HPTV2_T_RAID_5: return "RAID5"; 4442 case HPTV2_T_JBOD: return "JBOD"; 4443 case HPTV2_T_RAID01_RAID1: return "RAID01_RAID1"; 4444 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4445 return buffer; 4446 } 4447 } 4448 4449 static void 4450 ata_raid_hptv2_print_meta(struct hptv2_raid_conf *meta) 4451 { 4452 int i; 4453 4454 kprintf("****** ATA Highpoint V2 RocketRAID Metadata *****\n"); 4455 kprintf("magic 0x%08x\n", meta->magic); 4456 kprintf("magic_0 0x%08x\n", meta->magic_0); 4457 kprintf("magic_1 0x%08x\n", meta->magic_1); 4458 kprintf("order 0x%08x\n", meta->order); 4459 kprintf("array_width %u\n", meta->array_width); 4460 kprintf("stripe_shift %u\n", meta->stripe_shift); 4461 kprintf("type %s\n", ata_raid_hptv2_type(meta->type)); 4462 kprintf("disk_number %u\n", meta->disk_number); 4463 kprintf("total_sectors %u\n", meta->total_sectors); 4464 kprintf("disk_mode 0x%08x\n", meta->disk_mode); 4465 kprintf("boot_mode 0x%08x\n", meta->boot_mode); 4466 kprintf("boot_disk 0x%02x\n", meta->boot_disk); 4467 kprintf("boot_protect 0x%02x\n", meta->boot_protect); 4468 kprintf("log_entries 0x%02x\n", meta->error_log_entries); 4469 kprintf("log_index 0x%02x\n", meta->error_log_index); 4470 if (meta->error_log_entries) { 4471 kprintf(" timestamp reason disk status sectors lba\n"); 4472 for (i = meta->error_log_index; 4473 i < meta->error_log_index + meta->error_log_entries; i++) 4474 kprintf(" 0x%08x 0x%02x 0x%02x 0x%02x 0x%02x 0x%08x\n", 4475 meta->errorlog[i%32].timestamp, 4476 meta->errorlog[i%32].reason, 4477 meta->errorlog[i%32].disk, meta->errorlog[i%32].status, 4478 meta->errorlog[i%32].sectors, meta->errorlog[i%32].lba); 4479 } 4480 kprintf("rebuild_lba 0x%08x\n", meta->rebuild_lba); 4481 kprintf("dummy_1 0x%02x\n", meta->dummy_1); 4482 kprintf("name_1 <%.15s>\n", meta->name_1); 4483 kprintf("dummy_2 0x%02x\n", meta->dummy_2); 4484 kprintf("name_2 <%.15s>\n", meta->name_2); 4485 kprintf("=================================================\n"); 4486 } 4487 4488 static char * 4489 ata_raid_hptv3_type(int type) 4490 { 4491 static char buffer[16]; 4492 4493 switch (type) { 4494 case HPTV3_T_SPARE: return "SPARE"; 4495 case HPTV3_T_JBOD: return "JBOD"; 4496 case HPTV3_T_SPAN: return "SPAN"; 4497 case HPTV3_T_RAID0: return "RAID0"; 4498 case HPTV3_T_RAID1: return "RAID1"; 4499 case HPTV3_T_RAID3: return "RAID3"; 4500 case HPTV3_T_RAID5: return "RAID5"; 4501 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4502 return buffer; 4503 } 4504 } 4505 4506 static void 4507 ata_raid_hptv3_print_meta(struct hptv3_raid_conf *meta) 4508 { 4509 int i; 4510 4511 kprintf("****** ATA Highpoint V3 RocketRAID Metadata *****\n"); 4512 kprintf("magic 0x%08x\n", meta->magic); 4513 kprintf("magic_0 0x%08x\n", meta->magic_0); 4514 kprintf("checksum_0 0x%02x\n", meta->checksum_0); 4515 kprintf("mode 0x%02x\n", meta->mode); 4516 kprintf("user_mode 0x%02x\n", meta->user_mode); 4517 kprintf("config_entries 0x%02x\n", meta->config_entries); 4518 for (i = 0; i < meta->config_entries; i++) { 4519 kprintf("config %d:\n", i); 4520 kprintf(" total_sectors %ju\n", 4521 meta->configs[0].total_sectors + 4522 ((u_int64_t)meta->configs_high[0].total_sectors << 32)); 4523 kprintf(" type %s\n", 4524 ata_raid_hptv3_type(meta->configs[i].type)); 4525 kprintf(" total_disks %u\n", meta->configs[i].total_disks); 4526 kprintf(" disk_number %u\n", meta->configs[i].disk_number); 4527 kprintf(" stripe_shift %u\n", meta->configs[i].stripe_shift); 4528 kprintf(" status %b\n", meta->configs[i].status, 4529 "\20\2RAID5\1NEED_REBUILD\n"); 4530 kprintf(" critical_disks %u\n", meta->configs[i].critical_disks); 4531 kprintf(" rebuild_lba %ju\n", 4532 meta->configs_high[0].rebuild_lba + 4533 ((u_int64_t)meta->configs_high[0].rebuild_lba << 32)); 4534 } 4535 kprintf("name <%.16s>\n", meta->name); 4536 kprintf("timestamp 0x%08x\n", meta->timestamp); 4537 kprintf("description <%.16s>\n", meta->description); 4538 kprintf("creator <%.16s>\n", meta->creator); 4539 kprintf("checksum_1 0x%02x\n", meta->checksum_1); 4540 kprintf("dummy_0 0x%02x\n", meta->dummy_0); 4541 kprintf("dummy_1 0x%02x\n", meta->dummy_1); 4542 kprintf("flags %b\n", meta->flags, 4543 "\20\4RCACHE\3WCACHE\2NCQ\1TCQ\n"); 4544 kprintf("=================================================\n"); 4545 } 4546 4547 static char * 4548 ata_raid_intel_type(int type) 4549 { 4550 static char buffer[16]; 4551 4552 switch (type) { 4553 case INTEL_T_RAID0: return "RAID0"; 4554 case INTEL_T_RAID1: return "RAID1"; 4555 case INTEL_T_RAID5: return "RAID5"; 4556 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4557 return buffer; 4558 } 4559 } 4560 4561 static void 4562 ata_raid_intel_print_meta(struct intel_raid_conf *meta) 4563 { 4564 struct intel_raid_mapping *map; 4565 int i, j; 4566 4567 kprintf("********* ATA Intel MatrixRAID Metadata *********\n"); 4568 kprintf("intel_id <%.24s>\n", meta->intel_id); 4569 kprintf("version <%.6s>\n", meta->version); 4570 kprintf("checksum 0x%08x\n", meta->checksum); 4571 kprintf("config_size 0x%08x\n", meta->config_size); 4572 kprintf("config_id 0x%08x\n", meta->config_id); 4573 kprintf("generation 0x%08x\n", meta->generation); 4574 kprintf("total_disks %u\n", meta->total_disks); 4575 kprintf("total_volumes %u\n", meta->total_volumes); 4576 kprintf("DISK# serial disk_sectors disk_id flags\n"); 4577 for (i = 0; i < meta->total_disks; i++ ) { 4578 kprintf(" %d <%.16s> %u 0x%08x 0x%08x\n", i, 4579 meta->disk[i].serial, meta->disk[i].sectors, 4580 meta->disk[i].id, meta->disk[i].flags); 4581 } 4582 map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks]; 4583 for (j = 0; j < meta->total_volumes; j++) { 4584 kprintf("name %.16s\n", map->name); 4585 kprintf("total_sectors %ju\n", map->total_sectors); 4586 kprintf("state %u\n", map->state); 4587 kprintf("reserved %u\n", map->reserved); 4588 kprintf("offset %u\n", map->offset); 4589 kprintf("disk_sectors %u\n", map->disk_sectors); 4590 kprintf("stripe_count %u\n", map->stripe_count); 4591 kprintf("stripe_sectors %u\n", map->stripe_sectors); 4592 kprintf("status %u\n", map->status); 4593 kprintf("type %s\n", ata_raid_intel_type(map->type)); 4594 kprintf("total_disks %u\n", map->total_disks); 4595 kprintf("magic[0] 0x%02x\n", map->magic[0]); 4596 kprintf("magic[1] 0x%02x\n", map->magic[1]); 4597 kprintf("magic[2] 0x%02x\n", map->magic[2]); 4598 for (i = 0; i < map->total_disks; i++ ) { 4599 kprintf(" disk %d at disk_idx 0x%08x\n", i, map->disk_idx[i]); 4600 } 4601 map = (struct intel_raid_mapping *)&map->disk_idx[map->total_disks]; 4602 } 4603 kprintf("=================================================\n"); 4604 } 4605 4606 static char * 4607 ata_raid_ite_type(int type) 4608 { 4609 static char buffer[16]; 4610 4611 switch (type) { 4612 case ITE_T_RAID0: return "RAID0"; 4613 case ITE_T_RAID1: return "RAID1"; 4614 case ITE_T_RAID01: return "RAID0+1"; 4615 case ITE_T_SPAN: return "SPAN"; 4616 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4617 return buffer; 4618 } 4619 } 4620 4621 static void 4622 ata_raid_ite_print_meta(struct ite_raid_conf *meta) 4623 { 4624 kprintf("*** ATA Integrated Technology Express Metadata **\n"); 4625 kprintf("ite_id <%.40s>\n", meta->ite_id); 4626 kprintf("timestamp_0 %04x/%02x/%02x %02x:%02x:%02x.%02x\n", 4627 *((u_int16_t *)meta->timestamp_0), meta->timestamp_0[2], 4628 meta->timestamp_0[3], meta->timestamp_0[5], meta->timestamp_0[4], 4629 meta->timestamp_0[7], meta->timestamp_0[6]); 4630 kprintf("total_sectors %jd\n", meta->total_sectors); 4631 kprintf("type %s\n", ata_raid_ite_type(meta->type)); 4632 kprintf("stripe_1kblocks %u\n", meta->stripe_1kblocks); 4633 kprintf("timestamp_1 %04x/%02x/%02x %02x:%02x:%02x.%02x\n", 4634 *((u_int16_t *)meta->timestamp_1), meta->timestamp_1[2], 4635 meta->timestamp_1[3], meta->timestamp_1[5], meta->timestamp_1[4], 4636 meta->timestamp_1[7], meta->timestamp_1[6]); 4637 kprintf("stripe_sectors %u\n", meta->stripe_sectors); 4638 kprintf("array_width %u\n", meta->array_width); 4639 kprintf("disk_number %u\n", meta->disk_number); 4640 kprintf("disk_sectors %u\n", meta->disk_sectors); 4641 kprintf("=================================================\n"); 4642 } 4643 4644 static char * 4645 ata_raid_jmicron_type(int type) 4646 { 4647 static char buffer[16]; 4648 4649 switch (type) { 4650 case JM_T_RAID0: return "RAID0"; 4651 case JM_T_RAID1: return "RAID1"; 4652 case JM_T_RAID01: return "RAID0+1"; 4653 case JM_T_JBOD: return "JBOD"; 4654 case JM_T_RAID5: return "RAID5"; 4655 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4656 return buffer; 4657 } 4658 } 4659 4660 static void 4661 ata_raid_jmicron_print_meta(struct jmicron_raid_conf *meta) 4662 { 4663 int i; 4664 4665 kprintf("***** ATA JMicron Technology Corp Metadata ******\n"); 4666 kprintf("signature %.2s\n", meta->signature); 4667 kprintf("version 0x%04x\n", meta->version); 4668 kprintf("checksum 0x%04x\n", meta->checksum); 4669 kprintf("disk_id 0x%08x\n", meta->disk_id); 4670 kprintf("offset 0x%08x\n", meta->offset); 4671 kprintf("disk_sectors_low 0x%08x\n", meta->disk_sectors_low); 4672 kprintf("disk_sectors_high 0x%08x\n", meta->disk_sectors_high); 4673 kprintf("name %.16s\n", meta->name); 4674 kprintf("type %s\n", ata_raid_jmicron_type(meta->type)); 4675 kprintf("stripe_shift %d\n", meta->stripe_shift); 4676 kprintf("flags 0x%04x\n", meta->flags); 4677 kprintf("spare:\n"); 4678 for (i=0; i < 2 && meta->spare[i]; i++) 4679 kprintf(" %d 0x%08x\n", i, meta->spare[i]); 4680 kprintf("disks:\n"); 4681 for (i=0; i < 8 && meta->disks[i]; i++) 4682 kprintf(" %d 0x%08x\n", i, meta->disks[i]); 4683 kprintf("=================================================\n"); 4684 } 4685 4686 static char * 4687 ata_raid_lsiv2_type(int type) 4688 { 4689 static char buffer[16]; 4690 4691 switch (type) { 4692 case LSIV2_T_RAID0: return "RAID0"; 4693 case LSIV2_T_RAID1: return "RAID1"; 4694 case LSIV2_T_SPARE: return "SPARE"; 4695 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4696 return buffer; 4697 } 4698 } 4699 4700 static void 4701 ata_raid_lsiv2_print_meta(struct lsiv2_raid_conf *meta) 4702 { 4703 int i; 4704 4705 kprintf("******* ATA LSILogic V2 MegaRAID Metadata *******\n"); 4706 kprintf("lsi_id <%s>\n", meta->lsi_id); 4707 kprintf("dummy_0 0x%02x\n", meta->dummy_0); 4708 kprintf("flags 0x%02x\n", meta->flags); 4709 kprintf("version 0x%04x\n", meta->version); 4710 kprintf("config_entries 0x%02x\n", meta->config_entries); 4711 kprintf("raid_count 0x%02x\n", meta->raid_count); 4712 kprintf("total_disks 0x%02x\n", meta->total_disks); 4713 kprintf("dummy_1 0x%02x\n", meta->dummy_1); 4714 kprintf("dummy_2 0x%04x\n", meta->dummy_2); 4715 for (i = 0; i < meta->config_entries; i++) { 4716 kprintf(" type %s\n", 4717 ata_raid_lsiv2_type(meta->configs[i].raid.type)); 4718 kprintf(" dummy_0 %02x\n", meta->configs[i].raid.dummy_0); 4719 kprintf(" stripe_sectors %u\n", 4720 meta->configs[i].raid.stripe_sectors); 4721 kprintf(" array_width %u\n", 4722 meta->configs[i].raid.array_width); 4723 kprintf(" disk_count %u\n", meta->configs[i].raid.disk_count); 4724 kprintf(" config_offset %u\n", 4725 meta->configs[i].raid.config_offset); 4726 kprintf(" dummy_1 %u\n", meta->configs[i].raid.dummy_1); 4727 kprintf(" flags %02x\n", meta->configs[i].raid.flags); 4728 kprintf(" total_sectors %u\n", 4729 meta->configs[i].raid.total_sectors); 4730 } 4731 kprintf("disk_number 0x%02x\n", meta->disk_number); 4732 kprintf("raid_number 0x%02x\n", meta->raid_number); 4733 kprintf("timestamp 0x%08x\n", meta->timestamp); 4734 kprintf("=================================================\n"); 4735 } 4736 4737 static char * 4738 ata_raid_lsiv3_type(int type) 4739 { 4740 static char buffer[16]; 4741 4742 switch (type) { 4743 case LSIV3_T_RAID0: return "RAID0"; 4744 case LSIV3_T_RAID1: return "RAID1"; 4745 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4746 return buffer; 4747 } 4748 } 4749 4750 static void 4751 ata_raid_lsiv3_print_meta(struct lsiv3_raid_conf *meta) 4752 { 4753 int i; 4754 4755 kprintf("******* ATA LSILogic V3 MegaRAID Metadata *******\n"); 4756 kprintf("lsi_id <%.6s>\n", meta->lsi_id); 4757 kprintf("dummy_0 0x%04x\n", meta->dummy_0); 4758 kprintf("version 0x%04x\n", meta->version); 4759 kprintf("dummy_0 0x%04x\n", meta->dummy_1); 4760 kprintf("RAID configs:\n"); 4761 for (i = 0; i < 8; i++) { 4762 if (meta->raid[i].total_disks) { 4763 kprintf("%02d stripe_pages %u\n", i, 4764 meta->raid[i].stripe_pages); 4765 kprintf("%02d type %s\n", i, 4766 ata_raid_lsiv3_type(meta->raid[i].type)); 4767 kprintf("%02d total_disks %u\n", i, 4768 meta->raid[i].total_disks); 4769 kprintf("%02d array_width %u\n", i, 4770 meta->raid[i].array_width); 4771 kprintf("%02d sectors %u\n", i, meta->raid[i].sectors); 4772 kprintf("%02d offset %u\n", i, meta->raid[i].offset); 4773 kprintf("%02d device 0x%02x\n", i, 4774 meta->raid[i].device); 4775 } 4776 } 4777 kprintf("DISK configs:\n"); 4778 for (i = 0; i < 6; i++) { 4779 if (meta->disk[i].disk_sectors) { 4780 kprintf("%02d disk_sectors %u\n", i, 4781 meta->disk[i].disk_sectors); 4782 kprintf("%02d flags 0x%02x\n", i, meta->disk[i].flags); 4783 } 4784 } 4785 kprintf("device 0x%02x\n", meta->device); 4786 kprintf("timestamp 0x%08x\n", meta->timestamp); 4787 kprintf("checksum_1 0x%02x\n", meta->checksum_1); 4788 kprintf("=================================================\n"); 4789 } 4790 4791 static char * 4792 ata_raid_nvidia_type(int type) 4793 { 4794 static char buffer[16]; 4795 4796 switch (type) { 4797 case NV_T_SPAN: return "SPAN"; 4798 case NV_T_RAID0: return "RAID0"; 4799 case NV_T_RAID1: return "RAID1"; 4800 case NV_T_RAID3: return "RAID3"; 4801 case NV_T_RAID5: return "RAID5"; 4802 case NV_T_RAID01: return "RAID0+1"; 4803 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4804 return buffer; 4805 } 4806 } 4807 4808 static void 4809 ata_raid_nvidia_print_meta(struct nvidia_raid_conf *meta) 4810 { 4811 kprintf("******** ATA nVidia MediaShield Metadata ********\n"); 4812 kprintf("nvidia_id <%.8s>\n", meta->nvidia_id); 4813 kprintf("config_size %d\n", meta->config_size); 4814 kprintf("checksum 0x%08x\n", meta->checksum); 4815 kprintf("version 0x%04x\n", meta->version); 4816 kprintf("disk_number %d\n", meta->disk_number); 4817 kprintf("dummy_0 0x%02x\n", meta->dummy_0); 4818 kprintf("total_sectors %d\n", meta->total_sectors); 4819 kprintf("sectors_size %d\n", meta->sector_size); 4820 kprintf("serial %.16s\n", meta->serial); 4821 kprintf("revision %.4s\n", meta->revision); 4822 kprintf("dummy_1 0x%08x\n", meta->dummy_1); 4823 kprintf("magic_0 0x%08x\n", meta->magic_0); 4824 kprintf("magic_1 0x%016jx\n", meta->magic_1); 4825 kprintf("magic_2 0x%016jx\n", meta->magic_2); 4826 kprintf("flags 0x%02x\n", meta->flags); 4827 kprintf("array_width %d\n", meta->array_width); 4828 kprintf("total_disks %d\n", meta->total_disks); 4829 kprintf("dummy_2 0x%02x\n", meta->dummy_2); 4830 kprintf("type %s\n", ata_raid_nvidia_type(meta->type)); 4831 kprintf("dummy_3 0x%04x\n", meta->dummy_3); 4832 kprintf("stripe_sectors %d\n", meta->stripe_sectors); 4833 kprintf("stripe_bytes %d\n", meta->stripe_bytes); 4834 kprintf("stripe_shift %d\n", meta->stripe_shift); 4835 kprintf("stripe_mask 0x%08x\n", meta->stripe_mask); 4836 kprintf("stripe_sizesectors %d\n", meta->stripe_sizesectors); 4837 kprintf("stripe_sizebytes %d\n", meta->stripe_sizebytes); 4838 kprintf("rebuild_lba %d\n", meta->rebuild_lba); 4839 kprintf("dummy_4 0x%08x\n", meta->dummy_4); 4840 kprintf("dummy_5 0x%08x\n", meta->dummy_5); 4841 kprintf("status 0x%08x\n", meta->status); 4842 kprintf("=================================================\n"); 4843 } 4844 4845 static char * 4846 ata_raid_promise_type(int type) 4847 { 4848 static char buffer[16]; 4849 4850 switch (type) { 4851 case PR_T_RAID0: return "RAID0"; 4852 case PR_T_RAID1: return "RAID1"; 4853 case PR_T_RAID3: return "RAID3"; 4854 case PR_T_RAID5: return "RAID5"; 4855 case PR_T_SPAN: return "SPAN"; 4856 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4857 return buffer; 4858 } 4859 } 4860 4861 static void 4862 ata_raid_promise_print_meta(struct promise_raid_conf *meta) 4863 { 4864 int i; 4865 4866 kprintf("********* ATA Promise FastTrak Metadata *********\n"); 4867 kprintf("promise_id <%s>\n", meta->promise_id); 4868 kprintf("dummy_0 0x%08x\n", meta->dummy_0); 4869 kprintf("magic_0 0x%016jx\n", meta->magic_0); 4870 kprintf("magic_1 0x%04x\n", meta->magic_1); 4871 kprintf("magic_2 0x%08x\n", meta->magic_2); 4872 kprintf("integrity 0x%08x %b\n", meta->raid.integrity, 4873 meta->raid.integrity, "\20\10VALID\n" ); 4874 kprintf("flags 0x%02x %b\n", 4875 meta->raid.flags, meta->raid.flags, 4876 "\20\10READY\7DOWN\6REDIR\5DUPLICATE\4SPARE" 4877 "\3ASSIGNED\2ONLINE\1VALID\n"); 4878 kprintf("disk_number %d\n", meta->raid.disk_number); 4879 kprintf("channel 0x%02x\n", meta->raid.channel); 4880 kprintf("device 0x%02x\n", meta->raid.device); 4881 kprintf("magic_0 0x%016jx\n", meta->raid.magic_0); 4882 kprintf("disk_offset %u\n", meta->raid.disk_offset); 4883 kprintf("disk_sectors %u\n", meta->raid.disk_sectors); 4884 kprintf("rebuild_lba 0x%08x\n", meta->raid.rebuild_lba); 4885 kprintf("generation 0x%04x\n", meta->raid.generation); 4886 kprintf("status 0x%02x %b\n", 4887 meta->raid.status, meta->raid.status, 4888 "\20\6MARKED\5DEGRADED\4READY\3INITED\2ONLINE\1VALID\n"); 4889 kprintf("type %s\n", ata_raid_promise_type(meta->raid.type)); 4890 kprintf("total_disks %u\n", meta->raid.total_disks); 4891 kprintf("stripe_shift %u\n", meta->raid.stripe_shift); 4892 kprintf("array_width %u\n", meta->raid.array_width); 4893 kprintf("array_number %u\n", meta->raid.array_number); 4894 kprintf("total_sectors %u\n", meta->raid.total_sectors); 4895 kprintf("cylinders %u\n", meta->raid.cylinders); 4896 kprintf("heads %u\n", meta->raid.heads); 4897 kprintf("sectors %u\n", meta->raid.sectors); 4898 kprintf("magic_1 0x%016jx\n", meta->raid.magic_1); 4899 kprintf("DISK# flags dummy_0 channel device magic_0\n"); 4900 for (i = 0; i < 8; i++) { 4901 kprintf(" %d %b 0x%02x 0x%02x 0x%02x ", 4902 i, meta->raid.disk[i].flags, 4903 "\20\10READY\7DOWN\6REDIR\5DUPLICATE\4SPARE" 4904 "\3ASSIGNED\2ONLINE\1VALID\n", meta->raid.disk[i].dummy_0, 4905 meta->raid.disk[i].channel, meta->raid.disk[i].device); 4906 kprintf("0x%016jx\n", meta->raid.disk[i].magic_0); 4907 } 4908 kprintf("checksum 0x%08x\n", meta->checksum); 4909 kprintf("=================================================\n"); 4910 } 4911 4912 static char * 4913 ata_raid_sii_type(int type) 4914 { 4915 static char buffer[16]; 4916 4917 switch (type) { 4918 case SII_T_RAID0: return "RAID0"; 4919 case SII_T_RAID1: return "RAID1"; 4920 case SII_T_RAID01: return "RAID0+1"; 4921 case SII_T_SPARE: return "SPARE"; 4922 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4923 return buffer; 4924 } 4925 } 4926 4927 static void 4928 ata_raid_sii_print_meta(struct sii_raid_conf *meta) 4929 { 4930 kprintf("******* ATA Silicon Image Medley Metadata *******\n"); 4931 kprintf("total_sectors %ju\n", meta->total_sectors); 4932 kprintf("dummy_0 0x%04x\n", meta->dummy_0); 4933 kprintf("dummy_1 0x%04x\n", meta->dummy_1); 4934 kprintf("controller_pci_id 0x%08x\n", meta->controller_pci_id); 4935 kprintf("version_minor 0x%04x\n", meta->version_minor); 4936 kprintf("version_major 0x%04x\n", meta->version_major); 4937 kprintf("timestamp 20%02x/%02x/%02x %02x:%02x:%02x\n", 4938 meta->timestamp[5], meta->timestamp[4], meta->timestamp[3], 4939 meta->timestamp[2], meta->timestamp[1], meta->timestamp[0]); 4940 kprintf("stripe_sectors %u\n", meta->stripe_sectors); 4941 kprintf("dummy_2 0x%04x\n", meta->dummy_2); 4942 kprintf("disk_number %u\n", meta->disk_number); 4943 kprintf("type %s\n", ata_raid_sii_type(meta->type)); 4944 kprintf("raid0_disks %u\n", meta->raid0_disks); 4945 kprintf("raid0_ident %u\n", meta->raid0_ident); 4946 kprintf("raid1_disks %u\n", meta->raid1_disks); 4947 kprintf("raid1_ident %u\n", meta->raid1_ident); 4948 kprintf("rebuild_lba %ju\n", meta->rebuild_lba); 4949 kprintf("generation 0x%08x\n", meta->generation); 4950 kprintf("status 0x%02x %b\n", 4951 meta->status, meta->status, 4952 "\20\1READY\n"); 4953 kprintf("base_raid1_position %02x\n", meta->base_raid1_position); 4954 kprintf("base_raid0_position %02x\n", meta->base_raid0_position); 4955 kprintf("position %02x\n", meta->position); 4956 kprintf("dummy_3 %04x\n", meta->dummy_3); 4957 kprintf("name <%.16s>\n", meta->name); 4958 kprintf("checksum_0 0x%04x\n", meta->checksum_0); 4959 kprintf("checksum_1 0x%04x\n", meta->checksum_1); 4960 kprintf("=================================================\n"); 4961 } 4962 4963 static char * 4964 ata_raid_sis_type(int type) 4965 { 4966 static char buffer[16]; 4967 4968 switch (type) { 4969 case SIS_T_JBOD: return "JBOD"; 4970 case SIS_T_RAID0: return "RAID0"; 4971 case SIS_T_RAID1: return "RAID1"; 4972 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 4973 return buffer; 4974 } 4975 } 4976 4977 static void 4978 ata_raid_sis_print_meta(struct sis_raid_conf *meta) 4979 { 4980 kprintf("**** ATA Silicon Integrated Systems Metadata ****\n"); 4981 kprintf("magic 0x%04x\n", meta->magic); 4982 kprintf("disks 0x%02x\n", meta->disks); 4983 kprintf("type %s\n", 4984 ata_raid_sis_type(meta->type_total_disks & SIS_T_MASK)); 4985 kprintf("total_disks %u\n", meta->type_total_disks & SIS_D_MASK); 4986 kprintf("dummy_0 0x%08x\n", meta->dummy_0); 4987 kprintf("controller_pci_id 0x%08x\n", meta->controller_pci_id); 4988 kprintf("stripe_sectors %u\n", meta->stripe_sectors); 4989 kprintf("dummy_1 0x%04x\n", meta->dummy_1); 4990 kprintf("timestamp 0x%08x\n", meta->timestamp); 4991 kprintf("model %.40s\n", meta->model); 4992 kprintf("disk_number %u\n", meta->disk_number); 4993 kprintf("dummy_2 0x%02x 0x%02x 0x%02x\n", 4994 meta->dummy_2[0], meta->dummy_2[1], meta->dummy_2[2]); 4995 kprintf("=================================================\n"); 4996 } 4997 4998 static char * 4999 ata_raid_via_type(int type) 5000 { 5001 static char buffer[16]; 5002 5003 switch (type) { 5004 case VIA_T_RAID0: return "RAID0"; 5005 case VIA_T_RAID1: return "RAID1"; 5006 case VIA_T_RAID5: return "RAID5"; 5007 case VIA_T_RAID01: return "RAID0+1"; 5008 case VIA_T_SPAN: return "SPAN"; 5009 default: ksprintf(buffer, "UNKNOWN 0x%02x", type); 5010 return buffer; 5011 } 5012 } 5013 5014 static void 5015 ata_raid_via_print_meta(struct via_raid_conf *meta) 5016 { 5017 int i; 5018 5019 kprintf("*************** ATA VIA Metadata ****************\n"); 5020 kprintf("magic 0x%02x\n", meta->magic); 5021 kprintf("dummy_0 0x%02x\n", meta->dummy_0); 5022 kprintf("type %s\n", 5023 ata_raid_via_type(meta->type & VIA_T_MASK)); 5024 kprintf("bootable %d\n", meta->type & VIA_T_BOOTABLE); 5025 kprintf("unknown %d\n", meta->type & VIA_T_UNKNOWN); 5026 kprintf("disk_index 0x%02x\n", meta->disk_index); 5027 kprintf("stripe_layout 0x%02x\n", meta->stripe_layout); 5028 kprintf(" stripe_disks %d\n", meta->stripe_layout & VIA_L_DISKS); 5029 kprintf(" stripe_sectors %d\n", 5030 0x08 << ((meta->stripe_layout & VIA_L_MASK) >> VIA_L_SHIFT)); 5031 kprintf("disk_sectors %ju\n", meta->disk_sectors); 5032 kprintf("disk_id 0x%08x\n", meta->disk_id); 5033 kprintf("DISK# disk_id\n"); 5034 for (i = 0; i < 8; i++) { 5035 if (meta->disks[i]) 5036 kprintf(" %d 0x%08x\n", i, meta->disks[i]); 5037 } 5038 kprintf("checksum 0x%02x\n", meta->checksum); 5039 kprintf("=================================================\n"); 5040 } 5041