sys/powerpc/ps3/ps3cdrom.c

   1 /*-
   2  * SPDX-License-Identifier: BSD-2-Clause
   3  *
   4  * Copyright (C) 2010 Nathan Whitehorn
   5  * Copyright (C) 2011 glevand <geoffrey.levand@mail.ru>
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer,
  13  *    without modification, immediately at the beginning of the file.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #include <sys/param.h>
  31 #include <sys/module.h>
  32 #include <sys/systm.h>
  33 #include <sys/kernel.h>
  34 #include <sys/ata.h>
  35 #include <sys/bus.h>
  36 #include <sys/conf.h>
  37 #include <sys/kthread.h>
  38 #include <sys/lock.h>
  39 #include <sys/malloc.h>
  40 #include <sys/mutex.h>
  41
  42 #include <vm/vm.h>
  43 #include <vm/pmap.h>
  44
  45 #include <machine/pio.h>
  46 #include <machine/bus.h>
  47 #include <machine/platform.h>
  48 #include <machine/resource.h>
  49 #include <sys/bus.h>
  50 #include <sys/rman.h>
  51
  52 #include <cam/cam.h>
  53 #include <cam/cam_ccb.h>
  54 #include <cam/cam_sim.h>
  55 #include <cam/cam_xpt_sim.h>
  56 #include <cam/cam_debug.h>
  57 #include <cam/scsi/scsi_all.h>
  58
  59 #include "ps3bus.h"
  60 #include "ps3-hvcall.h"
  61
  62 #define PS3CDROM_LOCK_INIT(_sc)         \
  63         mtx_init(&_sc->sc_mtx, device_get_nameunit(_sc->sc_dev), "ps3cdrom", \
  64             MTX_DEF)
  65 #define PS3CDROM_LOCK_DESTROY(_sc)      mtx_destroy(&_sc->sc_mtx);
  66 #define PS3CDROM_LOCK(_sc)              mtx_lock(&(_sc)->sc_mtx)
  67 #define PS3CDROM_UNLOCK(_sc)            mtx_unlock(&(_sc)->sc_mtx)
  68 #define PS3CDROM_ASSERT_LOCKED(_sc)     mtx_assert(&_sc->sc_mtx, MA_OWNED);
  69 #define PS3CDROM_ASSERT_UNLOCKED(_sc)   mtx_assert(&_sc->sc_mtx, MA_NOTOWNED);
  70
  71 #define PS3CDROM_MAX_XFERS              3
  72
  73 #define LV1_STORAGE_SEND_ATAPI_COMMAND  0x01
  74
  75 struct ps3cdrom_softc;
  76
  77 struct ps3cdrom_xfer {
  78         TAILQ_ENTRY(ps3cdrom_xfer) x_queue;
  79         struct ps3cdrom_softc *x_sc;
  80         union ccb *x_ccb;
  81         bus_dmamap_t x_dmamap;
  82         uint64_t x_tag;
  83 };
  84
  85 TAILQ_HEAD(ps3cdrom_xferq, ps3cdrom_xfer);
  86
  87 struct ps3cdrom_softc {
  88         device_t sc_dev;
  89
  90         struct mtx sc_mtx;
  91
  92         uint64_t sc_blksize;
  93         uint64_t sc_nblocks;
  94
  95         int sc_irqid;
  96         struct resource *sc_irq;
  97         void *sc_irqctx;
  98
  99         bus_dma_tag_t sc_dmatag;
 100
 101         struct cam_sim *sc_sim;
 102         struct cam_path *sc_path;
 103
 104         struct ps3cdrom_xfer sc_xfer[PS3CDROM_MAX_XFERS];
 105         struct ps3cdrom_xferq sc_active_xferq;
 106         struct ps3cdrom_xferq sc_free_xferq;
 107 };
 108
 109 enum lv1_ata_proto {
 110         NON_DATA_PROTO          = 0x00,
 111         PIO_DATA_IN_PROTO       = 0x01,
 112         PIO_DATA_OUT_PROTO      = 0x02,
 113         DMA_PROTO               = 0x03
 114 };
 115
 116 enum lv1_ata_in_out {
 117         DIR_WRITE               = 0x00,
 118         DIR_READ                = 0x01
 119 };
 120
 121 struct lv1_atapi_cmd {
 122         uint8_t pkt[32];
 123         uint32_t pktlen;
 124         uint32_t nblocks;
 125         uint32_t blksize;
 126         uint32_t proto;         /* enum lv1_ata_proto */
 127         uint32_t in_out;        /* enum lv1_ata_in_out */
 128         uint64_t buf;
 129         uint32_t arglen;
 130 };
 131
 132 static void ps3cdrom_action(struct cam_sim *sim, union ccb *ccb);
 133 static void ps3cdrom_poll(struct cam_sim *sim);
 134 static void ps3cdrom_async(void *callback_arg, u_int32_t code,
 135     struct cam_path* path, void *arg);
 136
 137 static void ps3cdrom_intr(void *arg);
 138
 139 static void ps3cdrom_transfer(void *arg, bus_dma_segment_t *segs, int nsegs,
 140     int error);
 141
 142 static int ps3cdrom_decode_lv1_status(uint64_t status,
 143         u_int8_t *sense_key, u_int8_t *asc, u_int8_t *ascq);
 144
 145 static int
 146 ps3cdrom_probe(device_t dev)
 147 {
 148         if (ps3bus_get_bustype(dev) != PS3_BUSTYPE_STORAGE ||
 149             ps3bus_get_devtype(dev) != PS3_DEVTYPE_CDROM)
 150                 return (ENXIO);
 151
 152         device_set_desc(dev, "Playstation 3 CDROM");
 153
 154         return (BUS_PROBE_SPECIFIC);
 155 }
 156
 157 static int
 158 ps3cdrom_attach(device_t dev)
 159 {
 160         struct ps3cdrom_softc *sc = device_get_softc(dev);
 161         struct cam_devq *devq;
 162         struct ps3cdrom_xfer *xp;
 163         struct ccb_setasync csa;
 164         int i, err;
 165
 166         sc->sc_dev = dev;
 167
 168         PS3CDROM_LOCK_INIT(sc);
 169
 170         /* Setup interrupt handler */
 171
 172         sc->sc_irqid = 0;
 173         sc->sc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->sc_irqid,
 174             RF_ACTIVE);
 175         if (!sc->sc_irq) {
 176                 device_printf(dev, "Could not allocate IRQ\n");
 177                 err = ENXIO;
 178                 goto fail_destroy_lock;
 179         }
 180
 181         err = bus_setup_intr(dev, sc->sc_irq,
 182             INTR_TYPE_CAM | INTR_MPSAFE | INTR_ENTROPY,
 183             NULL, ps3cdrom_intr, sc, &sc->sc_irqctx);
 184         if (err) {
 185                 device_printf(dev, "Could not setup IRQ\n");
 186                 err = ENXIO;
 187                 goto fail_release_intr;
 188         }
 189
 190         /* Setup DMA */
 191
 192         err = bus_dma_tag_create(bus_get_dma_tag(dev), 4096, 0,
 193             BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR, NULL, NULL,
 194             BUS_SPACE_UNRESTRICTED, 1, PAGE_SIZE, 0,
 195             busdma_lock_mutex, &sc->sc_mtx, &sc->sc_dmatag);
 196         if (err) {
 197                 device_printf(dev, "Could not create DMA tag\n");
 198                 err = ENXIO;
 199                 goto fail_teardown_intr;
 200         }
 201
 202         /* Setup transfer queues */
 203
 204         TAILQ_INIT(&sc->sc_active_xferq);
 205         TAILQ_INIT(&sc->sc_free_xferq);
 206
 207         for (i = 0; i < PS3CDROM_MAX_XFERS; i++) {
 208                 xp = &sc->sc_xfer[i];
 209                 xp->x_sc = sc;
 210
 211                 err = bus_dmamap_create(sc->sc_dmatag, BUS_DMA_COHERENT,
 212                     &xp->x_dmamap);
 213                 if (err) {
 214                         device_printf(dev, "Could not create DMA map (%d)\n",
 215                             err);
 216                         goto fail_destroy_dmamap;
 217                 }
 218
 219                 TAILQ_INSERT_TAIL(&sc->sc_free_xferq, xp, x_queue);
 220         }
 221
 222         /* Setup CAM */
 223
 224         devq = cam_simq_alloc(PS3CDROM_MAX_XFERS - 1);
 225         if (!devq) {
 226                 device_printf(dev, "Could not allocate SIM queue\n");
 227                 err = ENOMEM;
 228                 goto fail_destroy_dmatag;
 229         }
 230
 231         sc->sc_sim = cam_sim_alloc(ps3cdrom_action, ps3cdrom_poll, "ps3cdrom",
 232             sc, device_get_unit(dev), &sc->sc_mtx, PS3CDROM_MAX_XFERS - 1, 0,
 233             devq);
 234         if (!sc->sc_sim) {
 235                 device_printf(dev, "Could not allocate SIM\n");
 236                 cam_simq_free(devq);
 237                 err = ENOMEM;
 238                 goto fail_destroy_dmatag;
 239         }
 240
 241         /* Setup XPT */
 242
 243         PS3CDROM_LOCK(sc);
 244
 245         err = xpt_bus_register(sc->sc_sim, dev, 0);
 246         if (err != CAM_SUCCESS) {
 247                 device_printf(dev, "Could not register XPT bus\n");
 248                 err = ENXIO;
 249                 PS3CDROM_UNLOCK(sc);
 250                 goto fail_free_sim;
 251         }
 252
 253         err = xpt_create_path(&sc->sc_path, NULL, cam_sim_path(sc->sc_sim),
 254             CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD);
 255         if (err != CAM_REQ_CMP) {
 256                 device_printf(dev, "Could not create XPT path\n");
 257                 err = ENOMEM;
 258                 PS3CDROM_UNLOCK(sc);
 259                 goto fail_unregister_xpt_bus;
 260         }
 261
 262         memset(&csa, 0, sizeof(csa));
 263         xpt_setup_ccb(&csa.ccb_h, sc->sc_path, 5);
 264         csa.ccb_h.func_code = XPT_SASYNC_CB;
 265         csa.event_enable = AC_LOST_DEVICE;
 266         csa.callback = ps3cdrom_async;
 267         csa.callback_arg = sc->sc_sim;
 268         xpt_action((union ccb *) &csa);
 269
 270         CAM_DEBUG(sc->sc_path, CAM_DEBUG_TRACE,
 271             ("registered SIM for ps3cdrom%d\n", device_get_unit(dev)));
 272
 273         PS3CDROM_UNLOCK(sc);
 274
 275         return (BUS_PROBE_SPECIFIC);
 276
 277 fail_unregister_xpt_bus:
 278
 279         xpt_bus_deregister(cam_sim_path(sc->sc_sim));
 280
 281 fail_free_sim:
 282
 283         cam_sim_free(sc->sc_sim, TRUE);
 284
 285 fail_destroy_dmamap:
 286
 287         while ((xp = TAILQ_FIRST(&sc->sc_free_xferq))) {
 288                 TAILQ_REMOVE(&sc->sc_free_xferq, xp, x_queue);
 289                 bus_dmamap_destroy(sc->sc_dmatag, xp->x_dmamap);
 290         }
 291
 292 fail_destroy_dmatag:
 293
 294         bus_dma_tag_destroy(sc->sc_dmatag);
 295
 296 fail_teardown_intr:
 297
 298         bus_teardown_intr(dev, sc->sc_irq, sc->sc_irqctx);
 299
 300 fail_release_intr:
 301
 302         bus_release_resource(dev, SYS_RES_IRQ, sc->sc_irqid, sc->sc_irq);
 303
 304 fail_destroy_lock:
 305
 306         PS3CDROM_LOCK_DESTROY(sc);
 307
 308         return (err);
 309 }
 310
 311 static int
 312 ps3cdrom_detach(device_t dev)
 313 {
 314         struct ps3cdrom_softc *sc = device_get_softc(dev);
 315         int i;
 316
 317         xpt_async(AC_LOST_DEVICE, sc->sc_path, NULL);
 318         xpt_free_path(sc->sc_path);
 319         xpt_bus_deregister(cam_sim_path(sc->sc_sim));
 320         cam_sim_free(sc->sc_sim, TRUE);
 321
 322         for (i = 0; i < PS3CDROM_MAX_XFERS; i++)
 323                 bus_dmamap_destroy(sc->sc_dmatag, sc->sc_xfer[i].x_dmamap);
 324
 325         bus_dma_tag_destroy(sc->sc_dmatag);
 326
 327         bus_teardown_intr(dev, sc->sc_irq, sc->sc_irqctx);
 328         bus_release_resource(dev, SYS_RES_IRQ, sc->sc_irqid, sc->sc_irq);
 329
 330         PS3CDROM_LOCK_DESTROY(sc);
 331
 332         return (0);
 333 }
 334
 335 static void
 336 ps3cdrom_action(struct cam_sim *sim, union ccb *ccb)
 337 {
 338         struct ps3cdrom_softc *sc = (struct ps3cdrom_softc *)cam_sim_softc(sim);
 339         device_t dev = sc->sc_dev;
 340         struct ps3cdrom_xfer *xp;
 341         int err;
 342
 343         PS3CDROM_ASSERT_LOCKED(sc);
 344
 345         CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE,
 346            ("function code 0x%02x\n", ccb->ccb_h.func_code));
 347
 348         switch (ccb->ccb_h.func_code) {
 349         case XPT_SCSI_IO:
 350                 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG)
 351                         break;
 352
 353                 if(ccb->ccb_h.target_id > 0) {
 354                         ccb->ccb_h.status = CAM_TID_INVALID;
 355                         break;
 356                 }
 357
 358                 if(ccb->ccb_h.target_lun > 0) {
 359                         ccb->ccb_h.status = CAM_LUN_INVALID;
 360                         break;
 361                 }
 362
 363                 xp = TAILQ_FIRST(&sc->sc_free_xferq);
 364
 365                 KASSERT(xp != NULL, ("no free transfers"));
 366
 367                 xp->x_ccb = ccb;
 368
 369                 TAILQ_REMOVE(&sc->sc_free_xferq, xp, x_queue);
 370
 371                 err = bus_dmamap_load_ccb(sc->sc_dmatag, xp->x_dmamap,
 372                     ccb, ps3cdrom_transfer, xp, 0);
 373                 if (err && err != EINPROGRESS) {
 374                         device_printf(dev, "Could not load DMA map (%d)\n",
 375                             err);
 376
 377                         xp->x_ccb = NULL;
 378                         TAILQ_INSERT_TAIL(&sc->sc_free_xferq, xp, x_queue);
 379                         ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR;
 380                         break;
 381                 }
 382                 return;
 383         case XPT_SET_TRAN_SETTINGS:
 384                 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
 385                 break;
 386         case XPT_GET_TRAN_SETTINGS:
 387         {
 388                 struct ccb_trans_settings *cts = &ccb->cts;
 389
 390                 cts->protocol = PROTO_SCSI;
 391                 cts->protocol_version = SCSI_REV_2;
 392                 cts->transport = XPORT_SPI;
 393                 cts->transport_version = 2;
 394                 cts->proto_specific.valid = 0;
 395                 cts->xport_specific.valid = 0;
 396                 ccb->ccb_h.status = CAM_REQ_CMP;
 397                 break;
 398         }
 399         case XPT_RESET_BUS:
 400         case XPT_RESET_DEV:
 401                 ccb->ccb_h.status = CAM_REQ_CMP;
 402                 break;
 403         case XPT_CALC_GEOMETRY:
 404                 cam_calc_geometry(&ccb->ccg, 1);
 405                 break;
 406         case XPT_PATH_INQ:
 407         {
 408                 struct ccb_pathinq *cpi = &ccb->cpi;
 409
 410                 cpi->version_num = 1;
 411                 cpi->hba_inquiry = 0;
 412                 cpi->target_sprt = 0;
 413                 cpi->hba_inquiry = PI_SDTR_ABLE;
 414                 cpi->hba_misc = PIM_NOBUSRESET | PIM_SEQSCAN | PIM_NO_6_BYTE;
 415                 cpi->hba_eng_cnt = 0;
 416                 bzero(cpi->vuhba_flags, sizeof(cpi->vuhba_flags));
 417                 cpi->max_target = 0;
 418                 cpi->max_lun = 0;
 419                 cpi->initiator_id = 7;
 420                 cpi->bus_id = cam_sim_bus(sim);
 421                 cpi->unit_number = cam_sim_unit(sim);
 422                 cpi->base_transfer_speed = 150000;
 423                 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
 424                 strlcpy(cpi->hba_vid, "Sony", HBA_IDLEN);
 425                 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
 426                 cpi->transport = XPORT_SPI;
 427                 cpi->transport_version = 2;
 428                 cpi->protocol = PROTO_SCSI;
 429                 cpi->protocol_version = SCSI_REV_2;
 430                 cpi->maxio = PAGE_SIZE;
 431                 cpi->ccb_h.status = CAM_REQ_CMP;
 432                 break;
 433         }
 434         default:
 435                 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE,
 436                     ("unsupported function code 0x%02x\n",
 437                     ccb->ccb_h.func_code));
 438                 ccb->ccb_h.status = CAM_REQ_INVALID;
 439                 break;
 440         }
 441
 442         xpt_done(ccb);
 443 }
 444
 445 static void
 446 ps3cdrom_poll(struct cam_sim *sim)
 447 {
 448         ps3cdrom_intr(cam_sim_softc(sim));
 449 }
 450
 451 static void
 452 ps3cdrom_async(void *callback_arg, u_int32_t code,
 453         struct cam_path* path, void *arg)
 454 {
 455         switch (code) {
 456         case AC_LOST_DEVICE:
 457                 xpt_print_path(path);
 458                 break;
 459         default:
 460                 break;
 461         }
 462 }
 463
 464 static void
 465 ps3cdrom_intr(void *arg)
 466 {
 467         struct ps3cdrom_softc *sc = (struct ps3cdrom_softc *) arg;
 468         device_t dev = sc->sc_dev;
 469         uint64_t devid = ps3bus_get_device(dev);
 470         struct ps3cdrom_xfer *xp;
 471         union ccb *ccb;
 472         u_int8_t *cdb, sense_key, asc, ascq;
 473         uint64_t tag, status;
 474
 475         if (lv1_storage_get_async_status(devid, &tag, &status) != 0)
 476                 return;
 477
 478         PS3CDROM_LOCK(sc);
 479
 480         /* Find transfer with the returned tag */
 481
 482         TAILQ_FOREACH(xp, &sc->sc_active_xferq, x_queue) {
 483                 if (xp->x_tag == tag)
 484                         break;
 485         }
 486
 487         if (xp) {
 488                 ccb = xp->x_ccb;
 489                 cdb = (ccb->ccb_h.flags & CAM_CDB_POINTER) ?
 490                             ccb->csio.cdb_io.cdb_ptr :
 491                             ccb->csio.cdb_io.cdb_bytes;
 492
 493                 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE,
 494                    ("ATAPI command 0x%02x tag 0x%016lx completed (0x%016lx)\n",
 495                     cdb[0], tag, status));
 496
 497                 if (!status) {
 498                         ccb->csio.scsi_status = SCSI_STATUS_OK;
 499                         ccb->csio.resid = 0;
 500                         ccb->ccb_h.status = CAM_REQ_CMP;
 501                 } else {
 502                         ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND;
 503                         ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR;
 504
 505                         if (!ps3cdrom_decode_lv1_status(status, &sense_key,
 506                             &asc, &ascq)) {
 507                                 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE,
 508                                    ("sense key 0x%02x asc 0x%02x ascq 0x%02x\n",
 509                                     sense_key, asc, ascq));
 510
 511                                 scsi_set_sense_data(&ccb->csio.sense_data,
 512                                     /*sense_format*/ SSD_TYPE_NONE,
 513                                     /*current_error*/ 1,
 514                                     sense_key,
 515                                     asc,
 516                                     ascq,
 517                                     SSD_ELEM_NONE);
 518                                 ccb->csio.sense_len = SSD_FULL_SIZE;
 519                                 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR |
 520                                     CAM_AUTOSNS_VALID;
 521                         }
 522
 523                         if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE)
 524                                 ccb->csio.resid = ccb->csio.dxfer_len;
 525                 }
 526
 527                 if (ccb->ccb_h.flags & CAM_DIR_IN)
 528                         bus_dmamap_sync(sc->sc_dmatag, xp->x_dmamap,
 529                             BUS_DMASYNC_POSTREAD);
 530
 531                 bus_dmamap_unload(sc->sc_dmatag, xp->x_dmamap);
 532
 533                 xp->x_ccb = NULL;
 534                 TAILQ_REMOVE(&sc->sc_active_xferq, xp, x_queue);
 535                 TAILQ_INSERT_TAIL(&sc->sc_free_xferq, xp, x_queue);
 536
 537                 xpt_done(ccb);
 538         } else {
 539                 device_printf(dev,
 540                     "Could not find transfer with tag 0x%016lx\n",  tag);
 541         }
 542
 543         PS3CDROM_UNLOCK(sc);
 544 }
 545
 546 static void
 547 ps3cdrom_transfer(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
 548 {
 549         struct ps3cdrom_xfer *xp = (struct ps3cdrom_xfer *) arg;
 550         struct ps3cdrom_softc *sc = xp->x_sc;
 551         device_t dev = sc->sc_dev;
 552         uint64_t devid = ps3bus_get_device(dev);
 553         union ccb *ccb = xp->x_ccb;
 554         u_int8_t *cdb;
 555         uint64_t start_sector, block_count;
 556         int err;
 557
 558         KASSERT(nsegs == 1 || nsegs == 0,
 559             ("ps3cdrom_transfer: invalid number of DMA segments %d", nsegs));
 560         KASSERT(error == 0, ("ps3cdrom_transfer: DMA error %d", error));
 561
 562         PS3CDROM_ASSERT_LOCKED(sc);
 563
 564         if (error) {
 565                 device_printf(dev, "Could not load DMA map (%d)\n",  error);
 566
 567                 xp->x_ccb = NULL;
 568                 TAILQ_INSERT_TAIL(&sc->sc_free_xferq, xp, x_queue);
 569                 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR;
 570                 xpt_done(ccb);
 571                 return;
 572         }
 573
 574         cdb = (ccb->ccb_h.flags & CAM_CDB_POINTER) ?
 575                     ccb->csio.cdb_io.cdb_ptr :
 576                     ccb->csio.cdb_io.cdb_bytes;
 577
 578         CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE,
 579            ("ATAPI command 0x%02x cdb_len %d dxfer_len %d\n ", cdb[0],
 580             ccb->csio.cdb_len, ccb->csio.dxfer_len));
 581
 582         switch (cdb[0]) {
 583         case READ_10:
 584                 KASSERT(nsegs == 1, ("ps3cdrom_transfer: no data to read"));
 585                 start_sector = (cdb[2] << 24) | (cdb[3] << 16) |
 586                     (cdb[4] << 8) | cdb[5];
 587                 block_count = (cdb[7] << 8) | cdb[8];
 588
 589                 err = lv1_storage_read(devid, 0 /* region id */,
 590                     start_sector, block_count, 0 /* flags */, segs[0].ds_addr,
 591                     &xp->x_tag);
 592                 bus_dmamap_sync(sc->sc_dmatag, xp->x_dmamap,
 593                     BUS_DMASYNC_POSTREAD);
 594                 break;
 595         case WRITE_10:
 596                 KASSERT(nsegs == 1, ("ps3cdrom_transfer: no data to write"));
 597                 start_sector = (cdb[2] << 24) | (cdb[3] << 16) |
 598                     (cdb[4] << 8) | cdb[5];
 599                 block_count = (cdb[7] << 8) | cdb[8];
 600
 601                 bus_dmamap_sync(sc->sc_dmatag, xp->x_dmamap,
 602                     BUS_DMASYNC_PREWRITE);
 603                 err = lv1_storage_write(devid, 0 /* region id */,
 604                     start_sector, block_count, 0 /* flags */,
 605                     segs[0].ds_addr, &xp->x_tag);
 606                 break;
 607         default:
 608                 {
 609                 struct lv1_atapi_cmd atapi_cmd;
 610
 611                 bzero(&atapi_cmd, sizeof(atapi_cmd));
 612                 atapi_cmd.pktlen = 12;
 613                 bcopy(cdb, atapi_cmd.pkt, ccb->csio.cdb_len);
 614
 615                 if (ccb->ccb_h.flags & CAM_DIR_IN) {
 616                         atapi_cmd.in_out = DIR_READ;
 617                         atapi_cmd.proto = (ccb->csio.dxfer_len >= 2048) ?
 618                             DMA_PROTO : PIO_DATA_IN_PROTO;
 619                 } else if (ccb->ccb_h.flags & CAM_DIR_OUT) {
 620                         atapi_cmd.in_out = DIR_WRITE;
 621                         atapi_cmd.proto = (ccb->csio.dxfer_len >= 2048) ?
 622                             DMA_PROTO : PIO_DATA_OUT_PROTO;
 623                 } else {
 624                         atapi_cmd.proto = NON_DATA_PROTO;
 625                 }
 626
 627                 atapi_cmd.nblocks = atapi_cmd.arglen =
 628                     (nsegs == 0) ? 0 : segs[0].ds_len;
 629                 atapi_cmd.blksize = 1;
 630                 atapi_cmd.buf = (nsegs == 0) ? 0 : segs[0].ds_addr;
 631
 632                 if (ccb->ccb_h.flags & CAM_DIR_OUT)
 633                         bus_dmamap_sync(sc->sc_dmatag, xp->x_dmamap,
 634                             BUS_DMASYNC_PREWRITE);
 635
 636                 err = lv1_storage_send_device_command(devid,
 637                     LV1_STORAGE_SEND_ATAPI_COMMAND, vtophys(&atapi_cmd),
 638                     sizeof(atapi_cmd), atapi_cmd.buf, atapi_cmd.arglen,
 639                     &xp->x_tag);
 640
 641                 break;
 642                 }
 643         }
 644
 645         if (err) {
 646                 device_printf(dev, "ATAPI command 0x%02x failed (%d)\n",
 647                     cdb[0], err);
 648
 649                 bus_dmamap_unload(sc->sc_dmatag, xp->x_dmamap);
 650
 651                 xp->x_ccb = NULL;
 652                 TAILQ_INSERT_TAIL(&sc->sc_free_xferq, xp, x_queue);
 653
 654                 bzero(&ccb->csio.sense_data, sizeof(ccb->csio.sense_data));
 655                 /* Invalid field in parameter list */
 656                 scsi_set_sense_data(&ccb->csio.sense_data,
 657                                     /*sense_format*/ SSD_TYPE_NONE,
 658                                     /*current_error*/ 1,
 659                                     /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST,
 660                                     /*asc*/ 0x26,
 661                                     /*ascq*/ 0x00,
 662                                     SSD_ELEM_NONE);
 663
 664                 ccb->csio.sense_len = SSD_FULL_SIZE;
 665                 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND;
 666                 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR | CAM_AUTOSNS_VALID;
 667                 xpt_done(ccb);
 668         } else {
 669                 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE,
 670                    ("ATAPI command 0x%02x tag 0x%016lx submitted\n ", cdb[0],
 671                    xp->x_tag));
 672
 673                 TAILQ_INSERT_TAIL(&sc->sc_active_xferq, xp, x_queue);
 674                 ccb->ccb_h.status |= CAM_SIM_QUEUED;
 675         }
 676 }
 677
 678 static int
 679 ps3cdrom_decode_lv1_status(uint64_t status, u_int8_t *sense_key, u_int8_t *asc,
 680     u_int8_t *ascq)
 681 {
 682         if (((status >> 24) & 0xff) != SCSI_STATUS_CHECK_COND)
 683                 return -1;
 684
 685         *sense_key = (status >> 16) & 0xff;
 686         *asc = (status >> 8) & 0xff;
 687         *ascq = status & 0xff;
 688
 689         return (0);
 690 }
 691
 692 static device_method_t ps3cdrom_methods[] = {
 693         DEVMETHOD(device_probe,         ps3cdrom_probe),
 694         DEVMETHOD(device_attach,        ps3cdrom_attach),
 695         DEVMETHOD(device_detach,        ps3cdrom_detach),
 696         {0, 0},
 697 };
 698
 699 static driver_t ps3cdrom_driver = {
 700         "ps3cdrom",
 701         ps3cdrom_methods,
 702         sizeof(struct ps3cdrom_softc),
 703 };
 704
 705 DRIVER_MODULE(ps3cdrom, ps3bus, ps3cdrom_driver, 0, 0);
 706 MODULE_DEPEND(ps3cdrom, cam, 1, 1, 1);