Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/powerpc/ps3/ps3disk.c
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1 /*- 2 * Copyright (C) 2011 glevand (geoffrey.levand@mail.ru) 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 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 * 25 */ 26 27 #include <sys/cdefs.h> 28 __FBSDID("$FreeBSD: releng/10.1/sys/powerpc/ps3/ps3disk.c 227309 2011-11-07 15:43:11Z ed $"); 29 30 #include <sys/param.h> 31 #include <sys/systm.h> 32 #include <sys/sysctl.h> 33 #include <sys/disk.h> 34 #include <sys/bio.h> 35 #include <sys/bus.h> 36 #include <sys/conf.h> 37 #include <sys/kernel.h> 38 #include <sys/kthread.h> 39 #include <sys/lock.h> 40 #include <sys/malloc.h> 41 #include <sys/module.h> 42 #include <sys/mutex.h> 43 44 #include <vm/vm.h> 45 #include <vm/pmap.h> 46 47 #include <machine/pio.h> 48 #include <machine/bus.h> 49 #include <machine/platform.h> 50 #include <machine/pmap.h> 51 #include <machine/resource.h> 52 #include <sys/bus.h> 53 #include <sys/rman.h> 54 55 #include <geom/geom_disk.h> 56 57 #include "ps3bus.h" 58 #include "ps3-hvcall.h" 59 60 #define PS3DISK_LOCK_INIT(_sc) \ 61 mtx_init(&_sc->sc_mtx, device_get_nameunit(_sc->sc_dev), "ps3disk", MTX_DEF) 62 #define PS3DISK_LOCK_DESTROY(_sc) mtx_destroy(&_sc->sc_mtx); 63 #define PS3DISK_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx) 64 #define PS3DISK_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx) 65 #define PS3DISK_ASSERT_LOCKED(_sc) mtx_assert(&_sc->sc_mtx, MA_OWNED); 66 #define PS3DISK_ASSERT_UNLOCKED(_sc) mtx_assert(&_sc->sc_mtx, MA_NOTOWNED); 67 68 #define LV1_STORAGE_ATA_HDDOUT 0x23 69 70 static SYSCTL_NODE(_hw, OID_AUTO, ps3disk, CTLFLAG_RD, 0, 71 "PS3 Disk driver parameters"); 72 73 #ifdef PS3DISK_DEBUG 74 static int ps3disk_debug = 0; 75 SYSCTL_INT(_hw_ps3disk, OID_AUTO, debug, CTLFLAG_RW, &ps3disk_debug, 76 0, "control debugging printfs"); 77 TUNABLE_INT("hw.ps3disk.debug", &ps3disk_debug); 78 enum { 79 PS3DISK_DEBUG_INTR = 0x00000001, 80 PS3DISK_DEBUG_TASK = 0x00000002, 81 PS3DISK_DEBUG_READ = 0x00000004, 82 PS3DISK_DEBUG_WRITE = 0x00000008, 83 PS3DISK_DEBUG_FLUSH = 0x00000010, 84 PS3DISK_DEBUG_ANY = 0xffffffff 85 }; 86 #define DPRINTF(sc, m, fmt, ...) \ 87 do { \ 88 if (sc->sc_debug & (m)) \ 89 printf(fmt, __VA_ARGS__); \ 90 } while (0) 91 #else 92 #define DPRINTF(sc, m, fmt, ...) 93 #endif 94 95 struct ps3disk_region { 96 uint64_t r_id; 97 uint64_t r_start; 98 uint64_t r_size; 99 uint64_t r_flags; 100 }; 101 102 struct ps3disk_softc { 103 device_t sc_dev; 104 105 struct mtx sc_mtx; 106 107 uint64_t sc_blksize; 108 uint64_t sc_nblocks; 109 110 uint64_t sc_nregs; 111 struct ps3disk_region *sc_reg; 112 113 int sc_irqid; 114 struct resource *sc_irq; 115 void *sc_irqctx; 116 117 struct disk **sc_disk; 118 119 struct bio_queue_head sc_bioq; 120 struct bio_queue_head sc_deferredq; 121 struct proc *sc_task; 122 123 bus_dma_tag_t sc_dmatag; 124 125 int sc_running; 126 int sc_debug; 127 }; 128 129 static int ps3disk_open(struct disk *dp); 130 static int ps3disk_close(struct disk *dp); 131 static void ps3disk_strategy(struct bio *bp); 132 133 static void ps3disk_task(void *arg); 134 static void ps3disk_intr(void *arg); 135 static int ps3disk_get_disk_geometry(struct ps3disk_softc *sc); 136 static int ps3disk_enum_regions(struct ps3disk_softc *sc); 137 static void ps3disk_transfer(void *arg, bus_dma_segment_t *segs, int nsegs, 138 int error); 139 140 static void ps3disk_sysctlattach(struct ps3disk_softc *sc); 141 142 static MALLOC_DEFINE(M_PS3DISK, "ps3disk", "PS3 Disk"); 143 144 static int 145 ps3disk_probe(device_t dev) 146 { 147 if (ps3bus_get_bustype(dev) != PS3_BUSTYPE_STORAGE || 148 ps3bus_get_devtype(dev) != PS3_DEVTYPE_DISK) 149 return (ENXIO); 150 151 device_set_desc(dev, "Playstation 3 Disk"); 152 153 return (BUS_PROBE_SPECIFIC); 154 } 155 156 static int 157 ps3disk_attach(device_t dev) 158 { 159 struct ps3disk_softc *sc; 160 struct disk *d; 161 intmax_t mb; 162 uint64_t junk; 163 char unit; 164 int i, err; 165 166 sc = device_get_softc(dev); 167 sc->sc_dev = dev; 168 169 PS3DISK_LOCK_INIT(sc); 170 171 err = ps3disk_get_disk_geometry(sc); 172 if (err) { 173 device_printf(dev, "Could not get disk geometry\n"); 174 err = ENXIO; 175 goto fail_destroy_lock; 176 } 177 178 device_printf(dev, "block size %lu total blocks %lu\n", 179 sc->sc_blksize, sc->sc_nblocks); 180 181 err = ps3disk_enum_regions(sc); 182 if (err) { 183 device_printf(dev, "Could not enumerate disk regions\n"); 184 err = ENXIO; 185 goto fail_destroy_lock; 186 } 187 188 device_printf(dev, "Found %lu regions\n", sc->sc_nregs); 189 190 if (!sc->sc_nregs) { 191 err = ENXIO; 192 goto fail_destroy_lock; 193 } 194 195 /* Setup interrupt handler */ 196 sc->sc_irqid = 0; 197 sc->sc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->sc_irqid, 198 RF_ACTIVE); 199 if (!sc->sc_irq) { 200 device_printf(dev, "Could not allocate IRQ\n"); 201 err = ENXIO; 202 goto fail_free_regions; 203 } 204 205 err = bus_setup_intr(dev, sc->sc_irq, 206 INTR_TYPE_BIO | INTR_MPSAFE | INTR_ENTROPY, 207 NULL, ps3disk_intr, sc, &sc->sc_irqctx); 208 if (err) { 209 device_printf(dev, "Could not setup IRQ\n"); 210 err = ENXIO; 211 goto fail_release_intr; 212 } 213 214 /* Setup DMA */ 215 err = bus_dma_tag_create(bus_get_dma_tag(dev), 4096, 0, 216 BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR, NULL, NULL, 217 BUS_SPACE_UNRESTRICTED, 1, PAGE_SIZE, 0, 218 busdma_lock_mutex, &sc->sc_mtx, &sc->sc_dmatag); 219 if (err) { 220 device_printf(dev, "Could not create DMA tag\n"); 221 err = ENXIO; 222 goto fail_teardown_intr; 223 } 224 225 /* Setup disks */ 226 227 sc->sc_disk = malloc(sc->sc_nregs * sizeof(struct disk *), 228 M_PS3DISK, M_ZERO | M_WAITOK); 229 if (!sc->sc_disk) { 230 device_printf(dev, "Could not allocate disk(s)\n"); 231 err = ENOMEM; 232 goto fail_teardown_intr; 233 } 234 235 for (i = 0; i < sc->sc_nregs; i++) { 236 struct ps3disk_region *rp = &sc->sc_reg[i]; 237 238 d = sc->sc_disk[i] = disk_alloc(); 239 d->d_open = ps3disk_open; 240 d->d_close = ps3disk_close; 241 d->d_strategy = ps3disk_strategy; 242 d->d_name = "ps3disk"; 243 d->d_drv1 = sc; 244 d->d_maxsize = PAGE_SIZE; 245 d->d_sectorsize = sc->sc_blksize; 246 d->d_unit = i; 247 d->d_mediasize = sc->sc_reg[i].r_size * sc->sc_blksize; 248 d->d_flags |= DISKFLAG_CANFLUSHCACHE; 249 250 mb = d->d_mediasize >> 20; 251 unit = 'M'; 252 if (mb >= 10240) { 253 unit = 'G'; 254 mb /= 1024; 255 } 256 257 /* Test to see if we can read this region */ 258 err = lv1_storage_read(ps3bus_get_device(dev), d->d_unit, 259 0, 0, rp->r_flags, 0, &junk); 260 device_printf(dev, "region %d %ju%cB%s\n", i, mb, unit, 261 (err == LV1_DENIED_BY_POLICY) ? " (hypervisor protected)" 262 : ""); 263 264 if (err != LV1_DENIED_BY_POLICY) 265 disk_create(d, DISK_VERSION); 266 } 267 err = 0; 268 269 bioq_init(&sc->sc_bioq); 270 bioq_init(&sc->sc_deferredq); 271 kproc_create(&ps3disk_task, sc, &sc->sc_task, 0, 0, "ps3disk"); 272 273 ps3disk_sysctlattach(sc); 274 sc->sc_running = 1; 275 return (0); 276 277 fail_teardown_intr: 278 bus_teardown_intr(dev, sc->sc_irq, sc->sc_irqctx); 279 fail_release_intr: 280 bus_release_resource(dev, SYS_RES_IRQ, sc->sc_irqid, sc->sc_irq); 281 fail_free_regions: 282 free(sc->sc_reg, M_PS3DISK); 283 fail_destroy_lock: 284 PS3DISK_LOCK_DESTROY(sc); 285 return (err); 286 } 287 288 static int 289 ps3disk_detach(device_t dev) 290 { 291 struct ps3disk_softc *sc = device_get_softc(dev); 292 int i; 293 294 for (i = 0; i < sc->sc_nregs; i++) 295 disk_destroy(sc->sc_disk[i]); 296 297 bus_dma_tag_destroy(sc->sc_dmatag); 298 299 bus_teardown_intr(dev, sc->sc_irq, sc->sc_irqctx); 300 bus_release_resource(dev, SYS_RES_IRQ, sc->sc_irqid, sc->sc_irq); 301 302 free(sc->sc_disk, M_PS3DISK); 303 free(sc->sc_reg, M_PS3DISK); 304 305 PS3DISK_LOCK_DESTROY(sc); 306 307 return (0); 308 } 309 310 static int 311 ps3disk_open(struct disk *dp) 312 { 313 return (0); 314 } 315 316 static int 317 ps3disk_close(struct disk *dp) 318 { 319 return (0); 320 } 321 322 /* Process deferred blocks */ 323 static void 324 ps3disk_task(void *arg) 325 { 326 struct ps3disk_softc *sc = (struct ps3disk_softc *) arg; 327 struct bio *bp; 328 329 330 while (1) { 331 kproc_suspend_check(sc->sc_task); 332 tsleep(&sc->sc_deferredq, PRIBIO, "ps3disk", 10); 333 334 PS3DISK_LOCK(sc); 335 bp = bioq_takefirst(&sc->sc_deferredq); 336 PS3DISK_UNLOCK(sc); 337 338 if (bp == NULL) 339 continue; 340 341 if (bp->bio_driver1 != NULL) { 342 bus_dmamap_unload(sc->sc_dmatag, (bus_dmamap_t) 343 bp->bio_driver1); 344 bus_dmamap_destroy(sc->sc_dmatag, (bus_dmamap_t) 345 bp->bio_driver1); 346 } 347 348 ps3disk_strategy(bp); 349 } 350 351 kproc_exit(0); 352 } 353 354 static void 355 ps3disk_strategy(struct bio *bp) 356 { 357 struct ps3disk_softc *sc = (struct ps3disk_softc *)bp->bio_disk->d_drv1; 358 int err; 359 360 if (sc == NULL) { 361 bp->bio_flags |= BIO_ERROR; 362 bp->bio_error = EINVAL; 363 biodone(bp); 364 return; 365 } 366 367 PS3DISK_LOCK(sc); 368 bp->bio_resid = bp->bio_bcount; 369 bioq_insert_tail(&sc->sc_bioq, bp); 370 371 DPRINTF(sc, PS3DISK_DEBUG_TASK, "%s: bio_cmd 0x%02x\n", 372 __func__, bp->bio_cmd); 373 374 err = 0; 375 if (bp->bio_cmd == BIO_FLUSH) { 376 bp->bio_driver1 = 0; 377 err = lv1_storage_send_device_command( 378 ps3bus_get_device(sc->sc_dev), LV1_STORAGE_ATA_HDDOUT, 379 0, 0, 0, 0, (uint64_t *)&bp->bio_driver2); 380 if (err == LV1_BUSY) 381 err = EAGAIN; 382 } else if (bp->bio_cmd == BIO_READ || bp->bio_cmd == BIO_WRITE) { 383 if (bp->bio_bcount % sc->sc_blksize != 0) { 384 err = EINVAL; 385 } else { 386 bus_dmamap_create(sc->sc_dmatag, BUS_DMA_COHERENT, 387 (bus_dmamap_t *)(&bp->bio_driver1)); 388 err = bus_dmamap_load(sc->sc_dmatag, 389 (bus_dmamap_t)(bp->bio_driver1), bp->bio_data, 390 bp->bio_bcount, ps3disk_transfer, bp, 0); 391 if (err == EINPROGRESS) 392 err = 0; 393 } 394 } else { 395 err = EINVAL; 396 } 397 398 if (err == EAGAIN) { 399 bioq_remove(&sc->sc_bioq, bp); 400 bioq_insert_tail(&sc->sc_deferredq, bp); 401 } else if (err != 0) { 402 bp->bio_error = err; 403 bp->bio_flags |= BIO_ERROR; 404 bioq_remove(&sc->sc_bioq, bp); 405 disk_err(bp, "hard error", -1, 1); 406 biodone(bp); 407 } 408 409 PS3DISK_UNLOCK(sc); 410 } 411 412 static void 413 ps3disk_intr(void *arg) 414 { 415 struct ps3disk_softc *sc = (struct ps3disk_softc *) arg; 416 device_t dev = sc->sc_dev; 417 uint64_t devid = ps3bus_get_device(dev); 418 struct bio *bp; 419 uint64_t tag, status; 420 421 if (lv1_storage_get_async_status(devid, &tag, &status) != 0) 422 return; 423 424 PS3DISK_LOCK(sc); 425 426 DPRINTF(sc, PS3DISK_DEBUG_INTR, "%s: tag 0x%016lx " 427 "status 0x%016lx\n", __func__, tag, status); 428 429 /* Locate the matching request */ 430 TAILQ_FOREACH(bp, &sc->sc_bioq.queue, bio_queue) { 431 if ((uint64_t)bp->bio_driver2 != tag) 432 continue; 433 434 if (status != 0) { 435 device_printf(sc->sc_dev, "%s error (%#lx)\n", 436 (bp->bio_cmd == BIO_READ) ? "Read" : "Write", 437 status); 438 bp->bio_error = EIO; 439 bp->bio_flags |= BIO_ERROR; 440 } else { 441 bp->bio_error = 0; 442 bp->bio_resid = 0; 443 bp->bio_flags |= BIO_DONE; 444 } 445 446 if (bp->bio_driver1 != NULL) { 447 if (bp->bio_cmd == BIO_READ) 448 bus_dmamap_sync(sc->sc_dmatag, (bus_dmamap_t) 449 bp->bio_driver1, BUS_DMASYNC_POSTREAD); 450 bus_dmamap_unload(sc->sc_dmatag, (bus_dmamap_t) 451 bp->bio_driver1); 452 bus_dmamap_destroy(sc->sc_dmatag, (bus_dmamap_t) 453 bp->bio_driver1); 454 } 455 456 bioq_remove(&sc->sc_bioq, bp); 457 biodone(bp); 458 break; 459 } 460 461 if (bioq_first(&sc->sc_deferredq) != NULL) 462 wakeup(&sc->sc_deferredq); 463 464 PS3DISK_UNLOCK(sc); 465 } 466 467 static int 468 ps3disk_get_disk_geometry(struct ps3disk_softc *sc) 469 { 470 device_t dev = sc->sc_dev; 471 uint64_t bus_index = ps3bus_get_busidx(dev); 472 uint64_t dev_index = ps3bus_get_devidx(dev); 473 uint64_t junk; 474 int err; 475 476 err = lv1_get_repository_node_value(PS3_LPAR_ID_PME, 477 (lv1_repository_string("bus") >> 32) | bus_index, 478 lv1_repository_string("dev") | dev_index, 479 lv1_repository_string("blk_size"), 0, &sc->sc_blksize, &junk); 480 if (err) { 481 device_printf(dev, "Could not get block size (0x%08x)\n", err); 482 return (ENXIO); 483 } 484 485 err = lv1_get_repository_node_value(PS3_LPAR_ID_PME, 486 (lv1_repository_string("bus") >> 32) | bus_index, 487 lv1_repository_string("dev") | dev_index, 488 lv1_repository_string("n_blocks"), 0, &sc->sc_nblocks, &junk); 489 if (err) { 490 device_printf(dev, "Could not get total number of blocks " 491 "(0x%08x)\n", err); 492 err = ENXIO; 493 } 494 495 return (err); 496 } 497 498 static int 499 ps3disk_enum_regions(struct ps3disk_softc *sc) 500 { 501 device_t dev = sc->sc_dev; 502 uint64_t bus_index = ps3bus_get_busidx(dev); 503 uint64_t dev_index = ps3bus_get_devidx(dev); 504 uint64_t junk; 505 int i, err; 506 507 /* Read number of regions */ 508 509 err = lv1_get_repository_node_value(PS3_LPAR_ID_PME, 510 (lv1_repository_string("bus") >> 32) | bus_index, 511 lv1_repository_string("dev") | dev_index, 512 lv1_repository_string("n_regs"), 0, &sc->sc_nregs, &junk); 513 if (err) { 514 device_printf(dev, "Could not get number of regions (0x%08x)\n", 515 err); 516 err = ENXIO; 517 goto fail; 518 } 519 520 if (!sc->sc_nregs) 521 return 0; 522 523 sc->sc_reg = malloc(sc->sc_nregs * sizeof(struct ps3disk_region), 524 M_PS3DISK, M_ZERO | M_WAITOK); 525 if (!sc->sc_reg) { 526 err = ENOMEM; 527 goto fail; 528 } 529 530 /* Setup regions */ 531 532 for (i = 0; i < sc->sc_nregs; i++) { 533 err = lv1_get_repository_node_value(PS3_LPAR_ID_PME, 534 (lv1_repository_string("bus") >> 32) | bus_index, 535 lv1_repository_string("dev") | dev_index, 536 lv1_repository_string("region") | i, 537 lv1_repository_string("id"), &sc->sc_reg[i].r_id, &junk); 538 if (err) { 539 device_printf(dev, "Could not get region id (0x%08x)\n", 540 err); 541 err = ENXIO; 542 goto fail; 543 } 544 545 err = lv1_get_repository_node_value(PS3_LPAR_ID_PME, 546 (lv1_repository_string("bus") >> 32) | bus_index, 547 lv1_repository_string("dev") | dev_index, 548 lv1_repository_string("region") | i, 549 lv1_repository_string("start"), &sc->sc_reg[i].r_start, 550 &junk); 551 if (err) { 552 device_printf(dev, "Could not get region start " 553 "(0x%08x)\n", err); 554 err = ENXIO; 555 goto fail; 556 } 557 558 err = lv1_get_repository_node_value(PS3_LPAR_ID_PME, 559 (lv1_repository_string("bus") >> 32) | bus_index, 560 lv1_repository_string("dev") | dev_index, 561 lv1_repository_string("region") | i, 562 lv1_repository_string("size"), &sc->sc_reg[i].r_size, 563 &junk); 564 if (err) { 565 device_printf(dev, "Could not get region size " 566 "(0x%08x)\n", err); 567 err = ENXIO; 568 goto fail; 569 } 570 571 if (i == 0) 572 sc->sc_reg[i].r_flags = 0x2; 573 else 574 sc->sc_reg[i].r_flags = 0; 575 } 576 577 return (0); 578 579 fail: 580 581 sc->sc_nregs = 0; 582 if (sc->sc_reg) 583 free(sc->sc_reg, M_PS3DISK); 584 585 return (err); 586 } 587 588 static void 589 ps3disk_transfer(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 590 { 591 struct bio *bp = (struct bio *)(arg); 592 struct ps3disk_softc *sc = (struct ps3disk_softc *)bp->bio_disk->d_drv1; 593 struct ps3disk_region *rp = &sc->sc_reg[bp->bio_disk->d_unit]; 594 uint64_t devid = ps3bus_get_device(sc->sc_dev); 595 uint64_t block; 596 int i, err; 597 598 /* Locks already held by busdma */ 599 PS3DISK_ASSERT_LOCKED(sc); 600 601 if (error) { 602 bp->bio_error = error; 603 bp->bio_flags |= BIO_ERROR; 604 bioq_remove(&sc->sc_bioq, bp); 605 biodone(bp); 606 return; 607 } 608 609 block = bp->bio_pblkno; 610 for (i = 0; i < nsegs; i++) { 611 KASSERT((segs[i].ds_len % sc->sc_blksize) == 0, 612 ("DMA fragments not blocksize multiples")); 613 614 if (bp->bio_cmd == BIO_READ) { 615 err = lv1_storage_read(devid, rp->r_id, 616 block, segs[i].ds_len/sc->sc_blksize, 617 rp->r_flags, segs[i].ds_addr, 618 (uint64_t *)&bp->bio_driver2); 619 } else { 620 bus_dmamap_sync(sc->sc_dmatag, 621 (bus_dmamap_t)bp->bio_driver1, 622 BUS_DMASYNC_PREWRITE); 623 err = lv1_storage_write(devid, rp->r_id, 624 block, segs[i].ds_len/sc->sc_blksize, 625 rp->r_flags, segs[i].ds_addr, 626 (uint64_t *)&bp->bio_driver2); 627 } 628 629 if (err) { 630 if (err == LV1_BUSY) { 631 bioq_remove(&sc->sc_bioq, bp); 632 bioq_insert_tail(&sc->sc_deferredq, bp); 633 } else { 634 bus_dmamap_unload(sc->sc_dmatag, (bus_dmamap_t) 635 bp->bio_driver1); 636 bus_dmamap_destroy(sc->sc_dmatag, (bus_dmamap_t) 637 bp->bio_driver1); 638 device_printf(sc->sc_dev, "Could not read " 639 "sectors (0x%08x)\n", err); 640 bp->bio_error = EINVAL; 641 bp->bio_flags |= BIO_ERROR; 642 bioq_remove(&sc->sc_bioq, bp); 643 biodone(bp); 644 } 645 646 break; 647 } 648 649 DPRINTF(sc, PS3DISK_DEBUG_READ, "%s: tag 0x%016lx\n", 650 __func__, sc->sc_bounce_tag); 651 } 652 } 653 654 #ifdef PS3DISK_DEBUG 655 static int 656 ps3disk_sysctl_debug(SYSCTL_HANDLER_ARGS) 657 { 658 struct ps3disk_softc *sc = arg1; 659 int debug, error; 660 661 debug = sc->sc_debug; 662 663 error = sysctl_handle_int(oidp, &debug, 0, req); 664 if (error || !req->newptr) 665 return error; 666 667 sc->sc_debug = debug; 668 669 return 0; 670 } 671 #endif 672 673 static void 674 ps3disk_sysctlattach(struct ps3disk_softc *sc) 675 { 676 #ifdef PS3DISK_DEBUG 677 struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev); 678 struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev); 679 680 sc->sc_debug = ps3disk_debug; 681 682 SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 683 "debug", CTLTYPE_INT | CTLFLAG_RW, sc, 0, 684 ps3disk_sysctl_debug, "I", "control debugging printfs"); 685 #endif 686 } 687 688 static device_method_t ps3disk_methods[] = { 689 DEVMETHOD(device_probe, ps3disk_probe), 690 DEVMETHOD(device_attach, ps3disk_attach), 691 DEVMETHOD(device_detach, ps3disk_detach), 692 {0, 0}, 693 }; 694 695 static driver_t ps3disk_driver = { 696 "ps3disk", 697 ps3disk_methods, 698 sizeof(struct ps3disk_softc), 699 }; 700 701 static devclass_t ps3disk_devclass; 702 703 DRIVER_MODULE(ps3disk, ps3bus, ps3disk_driver, ps3disk_devclass, 0, 0);
Cache object: eccd8ac974219d1bd42feebd6573eeb0
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