1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (C) 2011 glevand (geoffrey.levand@mail.ru) 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * 27 */ 28 29 #include <sys/cdefs.h> 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/resource.h> 51 #include <sys/bus.h> 52 #include <sys/rman.h> 53 54 #include <geom/geom_disk.h> 55 56 #include "ps3bus.h" 57 #include "ps3-hvcall.h" 58 59 #define PS3DISK_LOCK_INIT(_sc) \ 60 mtx_init(&_sc->sc_mtx, device_get_nameunit(_sc->sc_dev), "ps3disk", MTX_DEF) 61 #define PS3DISK_LOCK_DESTROY(_sc) mtx_destroy(&_sc->sc_mtx); 62 #define PS3DISK_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx) 63 #define PS3DISK_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx) 64 #define PS3DISK_ASSERT_LOCKED(_sc) mtx_assert(&_sc->sc_mtx, MA_OWNED); 65 #define PS3DISK_ASSERT_UNLOCKED(_sc) mtx_assert(&_sc->sc_mtx, MA_NOTOWNED); 66 67 #define LV1_STORAGE_ATA_HDDOUT 0x23 68 69 static SYSCTL_NODE(_hw, OID_AUTO, ps3disk, CTLFLAG_RD | CTLFLAG_MPSAFE, 0, 70 "PS3 Disk driver parameters"); 71 72 #ifdef PS3DISK_DEBUG 73 static int ps3disk_debug = 0; 74 SYSCTL_INT(_hw_ps3disk, OID_AUTO, debug, CTLFLAG_RW, &ps3disk_debug, 75 0, "control debugging printfs"); 76 TUNABLE_INT("hw.ps3disk.debug", &ps3disk_debug); 77 enum { 78 PS3DISK_DEBUG_INTR = 0x00000001, 79 PS3DISK_DEBUG_TASK = 0x00000002, 80 PS3DISK_DEBUG_READ = 0x00000004, 81 PS3DISK_DEBUG_WRITE = 0x00000008, 82 PS3DISK_DEBUG_FLUSH = 0x00000010, 83 PS3DISK_DEBUG_ANY = 0xffffffff 84 }; 85 #define DPRINTF(sc, m, fmt, ...) \ 86 do { \ 87 if (sc->sc_debug & (m)) \ 88 printf(fmt, __VA_ARGS__); \ 89 } while (0) 90 #else 91 #define DPRINTF(sc, m, fmt, ...) 92 #endif 93 94 struct ps3disk_region { 95 uint64_t r_id; 96 uint64_t r_start; 97 uint64_t r_size; 98 uint64_t r_flags; 99 }; 100 101 struct ps3disk_softc { 102 device_t sc_dev; 103 104 struct mtx sc_mtx; 105 106 uint64_t sc_blksize; 107 uint64_t sc_nblocks; 108 109 uint64_t sc_nregs; 110 struct ps3disk_region *sc_reg; 111 112 int sc_irqid; 113 struct resource *sc_irq; 114 void *sc_irqctx; 115 116 struct disk **sc_disk; 117 118 struct bio_queue_head sc_bioq; 119 struct bio_queue_head sc_deferredq; 120 struct proc *sc_task; 121 122 bus_dma_tag_t sc_dmatag; 123 124 int sc_running; 125 int sc_debug; 126 }; 127 128 static int ps3disk_open(struct disk *dp); 129 static int ps3disk_close(struct disk *dp); 130 static void ps3disk_strategy(struct bio *bp); 131 132 static void ps3disk_task(void *arg); 133 static void ps3disk_intr(void *arg); 134 static int ps3disk_get_disk_geometry(struct ps3disk_softc *sc); 135 static int ps3disk_enum_regions(struct ps3disk_softc *sc); 136 static void ps3disk_transfer(void *arg, bus_dma_segment_t *segs, int nsegs, 137 int error); 138 139 static void ps3disk_sysctlattach(struct ps3disk_softc *sc); 140 141 static MALLOC_DEFINE(M_PS3DISK, "ps3disk", "PS3 Disk"); 142 143 static int 144 ps3disk_probe(device_t dev) 145 { 146 if (ps3bus_get_bustype(dev) != PS3_BUSTYPE_STORAGE || 147 ps3bus_get_devtype(dev) != PS3_DEVTYPE_DISK) 148 return (ENXIO); 149 150 device_set_desc(dev, "Playstation 3 Disk"); 151 152 return (BUS_PROBE_SPECIFIC); 153 } 154 155 static int 156 ps3disk_attach(device_t dev) 157 { 158 struct ps3disk_softc *sc; 159 struct disk *d; 160 intmax_t mb; 161 uint64_t junk; 162 char unit; 163 int i, err; 164 165 sc = device_get_softc(dev); 166 sc->sc_dev = dev; 167 168 PS3DISK_LOCK_INIT(sc); 169 170 err = ps3disk_get_disk_geometry(sc); 171 if (err) { 172 device_printf(dev, "Could not get disk geometry\n"); 173 err = ENXIO; 174 goto fail_destroy_lock; 175 } 176 177 device_printf(dev, "block size %lu total blocks %lu\n", 178 sc->sc_blksize, sc->sc_nblocks); 179 180 err = ps3disk_enum_regions(sc); 181 if (err) { 182 device_printf(dev, "Could not enumerate disk regions\n"); 183 err = ENXIO; 184 goto fail_destroy_lock; 185 } 186 187 device_printf(dev, "Found %lu regions\n", sc->sc_nregs); 188 189 if (!sc->sc_nregs) { 190 err = ENXIO; 191 goto fail_destroy_lock; 192 } 193 194 /* Setup interrupt handler */ 195 sc->sc_irqid = 0; 196 sc->sc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->sc_irqid, 197 RF_ACTIVE); 198 if (!sc->sc_irq) { 199 device_printf(dev, "Could not allocate IRQ\n"); 200 err = ENXIO; 201 goto fail_free_regions; 202 } 203 204 err = bus_setup_intr(dev, sc->sc_irq, 205 INTR_TYPE_BIO | INTR_MPSAFE | INTR_ENTROPY, 206 NULL, ps3disk_intr, sc, &sc->sc_irqctx); 207 if (err) { 208 device_printf(dev, "Could not setup IRQ\n"); 209 err = ENXIO; 210 goto fail_release_intr; 211 } 212 213 /* Setup DMA */ 214 err = bus_dma_tag_create(bus_get_dma_tag(dev), 4096, 0, 215 BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR, NULL, NULL, 216 BUS_SPACE_UNRESTRICTED, 1, PAGE_SIZE, 0, 217 busdma_lock_mutex, &sc->sc_mtx, &sc->sc_dmatag); 218 if (err) { 219 device_printf(dev, "Could not create DMA tag\n"); 220 err = ENXIO; 221 goto fail_teardown_intr; 222 } 223 224 /* Setup disks */ 225 226 sc->sc_disk = malloc(sc->sc_nregs * sizeof(struct disk *), 227 M_PS3DISK, M_ZERO | M_WAITOK); 228 if (!sc->sc_disk) { 229 device_printf(dev, "Could not allocate disk(s)\n"); 230 err = ENOMEM; 231 goto fail_teardown_intr; 232 } 233 234 for (i = 0; i < sc->sc_nregs; i++) { 235 struct ps3disk_region *rp = &sc->sc_reg[i]; 236 237 d = sc->sc_disk[i] = disk_alloc(); 238 d->d_open = ps3disk_open; 239 d->d_close = ps3disk_close; 240 d->d_strategy = ps3disk_strategy; 241 d->d_name = "ps3disk"; 242 d->d_drv1 = sc; 243 d->d_maxsize = PAGE_SIZE; 244 d->d_sectorsize = sc->sc_blksize; 245 d->d_unit = i; 246 d->d_mediasize = sc->sc_reg[i].r_size * sc->sc_blksize; 247 d->d_flags |= DISKFLAG_CANFLUSHCACHE; 248 249 mb = d->d_mediasize >> 20; 250 unit = 'M'; 251 if (mb >= 10240) { 252 unit = 'G'; 253 mb /= 1024; 254 } 255 256 /* Test to see if we can read this region */ 257 err = lv1_storage_read(ps3bus_get_device(dev), d->d_unit, 258 0, 0, rp->r_flags, 0, &junk); 259 device_printf(dev, "region %d %ju%cB%s\n", i, mb, unit, 260 (err == LV1_DENIED_BY_POLICY) ? " (hypervisor protected)" 261 : ""); 262 263 if (err != LV1_DENIED_BY_POLICY) 264 disk_create(d, DISK_VERSION); 265 } 266 err = 0; 267 268 bioq_init(&sc->sc_bioq); 269 bioq_init(&sc->sc_deferredq); 270 kproc_create(&ps3disk_task, sc, &sc->sc_task, 0, 0, "ps3disk"); 271 272 ps3disk_sysctlattach(sc); 273 sc->sc_running = 1; 274 return (0); 275 276 fail_teardown_intr: 277 bus_teardown_intr(dev, sc->sc_irq, sc->sc_irqctx); 278 fail_release_intr: 279 bus_release_resource(dev, SYS_RES_IRQ, sc->sc_irqid, sc->sc_irq); 280 fail_free_regions: 281 free(sc->sc_reg, M_PS3DISK); 282 fail_destroy_lock: 283 PS3DISK_LOCK_DESTROY(sc); 284 return (err); 285 } 286 287 static int 288 ps3disk_detach(device_t dev) 289 { 290 struct ps3disk_softc *sc = device_get_softc(dev); 291 int i; 292 293 for (i = 0; i < sc->sc_nregs; i++) 294 disk_destroy(sc->sc_disk[i]); 295 296 bus_dma_tag_destroy(sc->sc_dmatag); 297 298 bus_teardown_intr(dev, sc->sc_irq, sc->sc_irqctx); 299 bus_release_resource(dev, SYS_RES_IRQ, sc->sc_irqid, sc->sc_irq); 300 301 free(sc->sc_disk, M_PS3DISK); 302 free(sc->sc_reg, M_PS3DISK); 303 304 PS3DISK_LOCK_DESTROY(sc); 305 306 return (0); 307 } 308 309 static int 310 ps3disk_open(struct disk *dp) 311 { 312 return (0); 313 } 314 315 static int 316 ps3disk_close(struct disk *dp) 317 { 318 return (0); 319 } 320 321 /* Process deferred blocks */ 322 static void 323 ps3disk_task(void *arg) 324 { 325 struct ps3disk_softc *sc = (struct ps3disk_softc *) arg; 326 struct bio *bp; 327 328 while (1) { 329 kproc_suspend_check(sc->sc_task); 330 tsleep(&sc->sc_deferredq, PRIBIO, "ps3disk", 10); 331 332 PS3DISK_LOCK(sc); 333 bp = bioq_takefirst(&sc->sc_deferredq); 334 PS3DISK_UNLOCK(sc); 335 336 if (bp == NULL) 337 continue; 338 339 if (bp->bio_driver1 != NULL) { 340 bus_dmamap_unload(sc->sc_dmatag, (bus_dmamap_t) 341 bp->bio_driver1); 342 bus_dmamap_destroy(sc->sc_dmatag, (bus_dmamap_t) 343 bp->bio_driver1); 344 } 345 346 ps3disk_strategy(bp); 347 } 348 349 kproc_exit(0); 350 } 351 352 static void 353 ps3disk_strategy(struct bio *bp) 354 { 355 struct ps3disk_softc *sc = (struct ps3disk_softc *)bp->bio_disk->d_drv1; 356 int err; 357 358 if (sc == NULL) { 359 bp->bio_flags |= BIO_ERROR; 360 bp->bio_error = EINVAL; 361 biodone(bp); 362 return; 363 } 364 365 PS3DISK_LOCK(sc); 366 bp->bio_resid = bp->bio_bcount; 367 bioq_insert_tail(&sc->sc_bioq, bp); 368 369 DPRINTF(sc, PS3DISK_DEBUG_TASK, "%s: bio_cmd 0x%02x\n", 370 __func__, bp->bio_cmd); 371 372 err = 0; 373 if (bp->bio_cmd == BIO_FLUSH) { 374 bp->bio_driver1 = 0; 375 err = lv1_storage_send_device_command( 376 ps3bus_get_device(sc->sc_dev), LV1_STORAGE_ATA_HDDOUT, 377 0, 0, 0, 0, (uint64_t *)&bp->bio_driver2); 378 if (err == LV1_BUSY) 379 err = EAGAIN; 380 } else if (bp->bio_cmd == BIO_READ || bp->bio_cmd == BIO_WRITE) { 381 if (bp->bio_bcount % sc->sc_blksize != 0) { 382 err = EINVAL; 383 } else { 384 bus_dmamap_create(sc->sc_dmatag, BUS_DMA_COHERENT, 385 (bus_dmamap_t *)(&bp->bio_driver1)); 386 err = bus_dmamap_load(sc->sc_dmatag, 387 (bus_dmamap_t)(bp->bio_driver1), bp->bio_data, 388 bp->bio_bcount, ps3disk_transfer, bp, 0); 389 if (err == EINPROGRESS) 390 err = 0; 391 } 392 } else { 393 err = EINVAL; 394 } 395 396 if (err == EAGAIN) { 397 bioq_remove(&sc->sc_bioq, bp); 398 bioq_insert_tail(&sc->sc_deferredq, bp); 399 } else if (err != 0) { 400 bp->bio_error = err; 401 bp->bio_flags |= BIO_ERROR; 402 bioq_remove(&sc->sc_bioq, bp); 403 disk_err(bp, "hard error", -1, 1); 404 biodone(bp); 405 } 406 407 PS3DISK_UNLOCK(sc); 408 } 409 410 static void 411 ps3disk_intr(void *arg) 412 { 413 struct ps3disk_softc *sc = (struct ps3disk_softc *) arg; 414 device_t dev = sc->sc_dev; 415 uint64_t devid = ps3bus_get_device(dev); 416 struct bio *bp; 417 uint64_t tag, status; 418 419 if (lv1_storage_get_async_status(devid, &tag, &status) != 0) 420 return; 421 422 PS3DISK_LOCK(sc); 423 424 DPRINTF(sc, PS3DISK_DEBUG_INTR, "%s: tag 0x%016lx " 425 "status 0x%016lx\n", __func__, tag, status); 426 427 /* Locate the matching request */ 428 TAILQ_FOREACH(bp, &sc->sc_bioq.queue, bio_queue) { 429 if ((uint64_t)bp->bio_driver2 != tag) 430 continue; 431 432 if (status != 0) { 433 device_printf(sc->sc_dev, "%s error (%#lx)\n", 434 (bp->bio_cmd == BIO_READ) ? "Read" : "Write", 435 status); 436 bp->bio_error = EIO; 437 bp->bio_flags |= BIO_ERROR; 438 } else { 439 bp->bio_error = 0; 440 bp->bio_resid = 0; 441 bp->bio_flags |= BIO_DONE; 442 } 443 444 if (bp->bio_driver1 != NULL) { 445 if (bp->bio_cmd == BIO_READ) 446 bus_dmamap_sync(sc->sc_dmatag, (bus_dmamap_t) 447 bp->bio_driver1, BUS_DMASYNC_POSTREAD); 448 bus_dmamap_unload(sc->sc_dmatag, (bus_dmamap_t) 449 bp->bio_driver1); 450 bus_dmamap_destroy(sc->sc_dmatag, (bus_dmamap_t) 451 bp->bio_driver1); 452 } 453 454 bioq_remove(&sc->sc_bioq, bp); 455 biodone(bp); 456 break; 457 } 458 459 if (bioq_first(&sc->sc_deferredq) != NULL) 460 wakeup(&sc->sc_deferredq); 461 462 PS3DISK_UNLOCK(sc); 463 } 464 465 static int 466 ps3disk_get_disk_geometry(struct ps3disk_softc *sc) 467 { 468 device_t dev = sc->sc_dev; 469 uint64_t bus_index = ps3bus_get_busidx(dev); 470 uint64_t dev_index = ps3bus_get_devidx(dev); 471 uint64_t junk; 472 int err; 473 474 err = lv1_get_repository_node_value(PS3_LPAR_ID_PME, 475 (lv1_repository_string("bus") >> 32) | bus_index, 476 lv1_repository_string("dev") | dev_index, 477 lv1_repository_string("blk_size"), 0, &sc->sc_blksize, &junk); 478 if (err) { 479 device_printf(dev, "Could not get block size (0x%08x)\n", err); 480 return (ENXIO); 481 } 482 483 err = lv1_get_repository_node_value(PS3_LPAR_ID_PME, 484 (lv1_repository_string("bus") >> 32) | bus_index, 485 lv1_repository_string("dev") | dev_index, 486 lv1_repository_string("n_blocks"), 0, &sc->sc_nblocks, &junk); 487 if (err) { 488 device_printf(dev, "Could not get total number of blocks " 489 "(0x%08x)\n", err); 490 err = ENXIO; 491 } 492 493 return (err); 494 } 495 496 static int 497 ps3disk_enum_regions(struct ps3disk_softc *sc) 498 { 499 device_t dev = sc->sc_dev; 500 uint64_t bus_index = ps3bus_get_busidx(dev); 501 uint64_t dev_index = ps3bus_get_devidx(dev); 502 uint64_t junk; 503 int i, err; 504 505 /* Read number of regions */ 506 507 err = lv1_get_repository_node_value(PS3_LPAR_ID_PME, 508 (lv1_repository_string("bus") >> 32) | bus_index, 509 lv1_repository_string("dev") | dev_index, 510 lv1_repository_string("n_regs"), 0, &sc->sc_nregs, &junk); 511 if (err) { 512 device_printf(dev, "Could not get number of regions (0x%08x)\n", 513 err); 514 err = ENXIO; 515 goto fail; 516 } 517 518 if (!sc->sc_nregs) 519 return 0; 520 521 sc->sc_reg = malloc(sc->sc_nregs * sizeof(struct ps3disk_region), 522 M_PS3DISK, M_ZERO | M_WAITOK); 523 if (!sc->sc_reg) { 524 err = ENOMEM; 525 goto fail; 526 } 527 528 /* Setup regions */ 529 530 for (i = 0; i < sc->sc_nregs; i++) { 531 err = lv1_get_repository_node_value(PS3_LPAR_ID_PME, 532 (lv1_repository_string("bus") >> 32) | bus_index, 533 lv1_repository_string("dev") | dev_index, 534 lv1_repository_string("region") | i, 535 lv1_repository_string("id"), &sc->sc_reg[i].r_id, &junk); 536 if (err) { 537 device_printf(dev, "Could not get region id (0x%08x)\n", 538 err); 539 err = ENXIO; 540 goto fail; 541 } 542 543 err = lv1_get_repository_node_value(PS3_LPAR_ID_PME, 544 (lv1_repository_string("bus") >> 32) | bus_index, 545 lv1_repository_string("dev") | dev_index, 546 lv1_repository_string("region") | i, 547 lv1_repository_string("start"), &sc->sc_reg[i].r_start, 548 &junk); 549 if (err) { 550 device_printf(dev, "Could not get region start " 551 "(0x%08x)\n", err); 552 err = ENXIO; 553 goto fail; 554 } 555 556 err = lv1_get_repository_node_value(PS3_LPAR_ID_PME, 557 (lv1_repository_string("bus") >> 32) | bus_index, 558 lv1_repository_string("dev") | dev_index, 559 lv1_repository_string("region") | i, 560 lv1_repository_string("size"), &sc->sc_reg[i].r_size, 561 &junk); 562 if (err) { 563 device_printf(dev, "Could not get region size " 564 "(0x%08x)\n", err); 565 err = ENXIO; 566 goto fail; 567 } 568 569 if (i == 0) 570 sc->sc_reg[i].r_flags = 0x2; 571 else 572 sc->sc_reg[i].r_flags = 0; 573 } 574 575 return (0); 576 577 fail: 578 579 sc->sc_nregs = 0; 580 if (sc->sc_reg) 581 free(sc->sc_reg, M_PS3DISK); 582 583 return (err); 584 } 585 586 static void 587 ps3disk_transfer(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 588 { 589 struct bio *bp = (struct bio *)(arg); 590 struct ps3disk_softc *sc = (struct ps3disk_softc *)bp->bio_disk->d_drv1; 591 struct ps3disk_region *rp = &sc->sc_reg[bp->bio_disk->d_unit]; 592 uint64_t devid = ps3bus_get_device(sc->sc_dev); 593 uint64_t block; 594 int i, err; 595 596 /* Locks already held by busdma */ 597 PS3DISK_ASSERT_LOCKED(sc); 598 599 if (error) { 600 bp->bio_error = error; 601 bp->bio_flags |= BIO_ERROR; 602 bioq_remove(&sc->sc_bioq, bp); 603 biodone(bp); 604 return; 605 } 606 607 block = bp->bio_pblkno; 608 for (i = 0; i < nsegs; i++) { 609 KASSERT((segs[i].ds_len % sc->sc_blksize) == 0, 610 ("DMA fragments not blocksize multiples")); 611 612 if (bp->bio_cmd == BIO_READ) { 613 err = lv1_storage_read(devid, rp->r_id, 614 block, segs[i].ds_len/sc->sc_blksize, 615 rp->r_flags, segs[i].ds_addr, 616 (uint64_t *)&bp->bio_driver2); 617 } else { 618 bus_dmamap_sync(sc->sc_dmatag, 619 (bus_dmamap_t)bp->bio_driver1, 620 BUS_DMASYNC_PREWRITE); 621 err = lv1_storage_write(devid, rp->r_id, 622 block, segs[i].ds_len/sc->sc_blksize, 623 rp->r_flags, segs[i].ds_addr, 624 (uint64_t *)&bp->bio_driver2); 625 } 626 627 if (err) { 628 if (err == LV1_BUSY) { 629 bioq_remove(&sc->sc_bioq, bp); 630 bioq_insert_tail(&sc->sc_deferredq, bp); 631 } else { 632 bus_dmamap_unload(sc->sc_dmatag, (bus_dmamap_t) 633 bp->bio_driver1); 634 bus_dmamap_destroy(sc->sc_dmatag, (bus_dmamap_t) 635 bp->bio_driver1); 636 device_printf(sc->sc_dev, "Could not read " 637 "sectors (0x%08x)\n", err); 638 bp->bio_error = EINVAL; 639 bp->bio_flags |= BIO_ERROR; 640 bioq_remove(&sc->sc_bioq, bp); 641 biodone(bp); 642 } 643 644 break; 645 } 646 647 DPRINTF(sc, PS3DISK_DEBUG_READ, "%s: tag 0x%016lx\n", 648 __func__, sc->sc_bounce_tag); 649 } 650 } 651 652 #ifdef PS3DISK_DEBUG 653 static int 654 ps3disk_sysctl_debug(SYSCTL_HANDLER_ARGS) 655 { 656 struct ps3disk_softc *sc = arg1; 657 int debug, error; 658 659 debug = sc->sc_debug; 660 661 error = sysctl_handle_int(oidp, &debug, 0, req); 662 if (error || !req->newptr) 663 return error; 664 665 sc->sc_debug = debug; 666 667 return 0; 668 } 669 #endif 670 671 static void 672 ps3disk_sysctlattach(struct ps3disk_softc *sc) 673 { 674 #ifdef PS3DISK_DEBUG 675 struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev); 676 struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev); 677 678 sc->sc_debug = ps3disk_debug; 679 680 SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 681 "debug", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, sc, 0, 682 ps3disk_sysctl_debug, "I", "control debugging printfs"); 683 #endif 684 } 685 686 static device_method_t ps3disk_methods[] = { 687 DEVMETHOD(device_probe, ps3disk_probe), 688 DEVMETHOD(device_attach, ps3disk_attach), 689 DEVMETHOD(device_detach, ps3disk_detach), 690 {0, 0}, 691 }; 692 693 static driver_t ps3disk_driver = { 694 "ps3disk", 695 ps3disk_methods, 696 sizeof(struct ps3disk_softc), 697 }; 698 699 DRIVER_MODULE(ps3disk, ps3bus, ps3disk_driver, 0, 0); 700