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