xref: /freebsd/sys/powerpc/ps3/ps3cdrom.c (revision 1db64f89363c97858961c4df0b7d02f3223723cf)
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);
707