147 if (sim == NULL) {
148 cam_simq_free(devq);
149 goto fail;
150 }
151
152 if (xpt_bus_register(sim, /*bus_id*/0) != CAM_SUCCESS) {
153 cam_sim_free(sim, /*free_devq*/TRUE);
154 sim = NULL;
155 goto fail;
156 }
157
158 if (xpt_create_path(&path, /*periph*/NULL,
159 cam_sim_path(sim), CAM_TARGET_WILDCARD,
160 CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
161 xpt_bus_deregister(cam_sim_path(sim));
162 cam_sim_free(sim, /*free_devq*/TRUE);
163 sim = NULL;
164 goto fail;
165 }
166
167 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5);
168 csa.ccb_h.func_code = XPT_SASYNC_CB;
169 csa.event_enable = AC_LOST_DEVICE;
170 csa.callback = ahd_async;
171 csa.callback_arg = sim;
172 xpt_action((union ccb *)&csa);
173 count++;
174
175fail:
176 ahd->platform_data->sim = sim;
177 ahd->platform_data->path = path;
178 if (count != 0) {
179 /* We have to wait until after any system dumps... */
180 ahd->platform_data->eh =
181 EVENTHANDLER_REGISTER(shutdown_final, ahd_shutdown,
182 ahd, SHUTDOWN_PRI_DEFAULT);
183 ahd_intr_enable(ahd, TRUE);
184 }
185
186 ahd_unlock(ahd, &s);
187
188 return (count);
189}
190
191/*
192 * Catch an interrupt from the adapter
193 */
194void
195ahd_platform_intr(void *arg)
196{
197 struct ahd_softc *ahd;
198
199 ahd = (struct ahd_softc *)arg;
200 ahd_intr(ahd);
201}
202
203/*
204 * We have an scb which has been processed by the
205 * adaptor, now we look to see how the operation
206 * went.
207 */
208void
209ahd_done(struct ahd_softc *ahd, struct scb *scb)
210{
211 union ccb *ccb;
212
213 CAM_DEBUG(scb->io_ctx->ccb_h.path, CAM_DEBUG_TRACE,
214 ("ahd_done - scb %d\n", SCB_GET_TAG(scb)));
215
216 ccb = scb->io_ctx;
217 LIST_REMOVE(scb, pending_links);
218 if ((scb->flags & SCB_TIMEDOUT) != 0)
219 LIST_REMOVE(scb, timedout_links);
220
221 untimeout(ahd_platform_timeout, (caddr_t)scb, ccb->ccb_h.timeout_ch);
222
223 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
224 bus_dmasync_op_t op;
225
226 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)
227 op = BUS_DMASYNC_POSTREAD;
228 else
229 op = BUS_DMASYNC_POSTWRITE;
230 bus_dmamap_sync(ahd->buffer_dmat, scb->dmamap, op);
231 bus_dmamap_unload(ahd->buffer_dmat, scb->dmamap);
232 }
233
234#ifdef AHD_TARGET_MODE
235 if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) {
236 struct cam_path *ccb_path;
237
238 /*
239 * If we have finally disconnected, clean up our
240 * pending device state.
241 * XXX - There may be error states that cause where
242 * we will remain connected.
243 */
244 ccb_path = ccb->ccb_h.path;
245 if (ahd->pending_device != NULL
246 && xpt_path_comp(ahd->pending_device->path, ccb_path) == 0) {
247
248 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) != 0) {
249 ahd->pending_device = NULL;
250 } else {
251 xpt_print_path(ccb->ccb_h.path);
252 printf("Still disconnected\n");
253 ahd_freeze_ccb(ccb);
254 }
255 }
256
257 if (aic_get_transaction_status(scb) == CAM_REQ_INPROG)
258 ccb->ccb_h.status |= CAM_REQ_CMP;
259 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
260 ahd_free_scb(ahd, scb);
261 xpt_done(ccb);
262 return;
263 }
264#endif
265
266 if ((scb->flags & SCB_RECOVERY_SCB) != 0) {
267 struct scb *list_scb;
268
269 ahd->scb_data.recovery_scbs--;
270
271 if (aic_get_transaction_status(scb) == CAM_BDR_SENT
272 || aic_get_transaction_status(scb) == CAM_REQ_ABORTED)
273 aic_set_transaction_status(scb, CAM_CMD_TIMEOUT);
274
275 if (ahd->scb_data.recovery_scbs == 0) {
276 /*
277 * All recovery actions have completed successfully,
278 * so reinstate the timeouts for all other pending
279 * commands.
280 */
281 LIST_FOREACH(list_scb,
282 &ahd->pending_scbs, pending_links) {
283
284 aic_scb_timer_reset(list_scb,
285 aic_get_timeout(scb));
286 }
287
288 ahd_print_path(ahd, scb);
289 printf("no longer in timeout, status = %x\n",
290 ccb->ccb_h.status);
291 }
292 }
293
294 /* Don't clobber any existing error state */
295 if (aic_get_transaction_status(scb) == CAM_REQ_INPROG) {
296 ccb->ccb_h.status |= CAM_REQ_CMP;
297 } else if ((scb->flags & SCB_SENSE) != 0) {
298 /*
299 * We performed autosense retrieval.
300 *
301 * Zero any sense not transferred by the
302 * device. The SCSI spec mandates that any
303 * untransfered data should be assumed to be
304 * zero. Complete the 'bounce' of sense information
305 * through buffers accessible via bus-space by
306 * copying it into the clients csio.
307 */
308 memset(&ccb->csio.sense_data, 0, sizeof(ccb->csio.sense_data));
309 memcpy(&ccb->csio.sense_data,
310 ahd_get_sense_buf(ahd, scb),
311/* XXX What size do we want to use??? */
312 sizeof(ccb->csio.sense_data)
313 - ccb->csio.sense_resid);
314 scb->io_ctx->ccb_h.status |= CAM_AUTOSNS_VALID;
315 } else if ((scb->flags & SCB_PKT_SENSE) != 0) {
316 struct scsi_status_iu_header *siu;
317 u_int sense_len;
318 int i;
319
320 /*
321 * Copy only the sense data into the provided buffer.
322 */
323 siu = (struct scsi_status_iu_header *)scb->sense_data;
324 sense_len = MIN(scsi_4btoul(siu->sense_length),
325 sizeof(ccb->csio.sense_data));
326 memset(&ccb->csio.sense_data, 0, sizeof(ccb->csio.sense_data));
327 memcpy(&ccb->csio.sense_data,
328 ahd_get_sense_buf(ahd, scb) + SIU_SENSE_OFFSET(siu),
329 sense_len);
330 printf("Copied %d bytes of sense data offset %d:", sense_len,
331 SIU_SENSE_OFFSET(siu));
332 for (i = 0; i < sense_len; i++)
333 printf(" 0x%x", ((uint8_t *)&ccb->csio.sense_data)[i]);
334 printf("\n");
335 scb->io_ctx->ccb_h.status |= CAM_AUTOSNS_VALID;
336 }
337 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
338 ahd_free_scb(ahd, scb);
339 xpt_done(ccb);
340}
341
342static void
343ahd_action(struct cam_sim *sim, union ccb *ccb)
344{
345 struct ahd_softc *ahd;
346#ifdef AHD_TARGET_MODE
347 struct ahd_tmode_lstate *lstate;
348#endif
349 u_int target_id;
350 u_int our_id;
351 long s;
352
353 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("ahd_action\n"));
354
355 ahd = (struct ahd_softc *)cam_sim_softc(sim);
356
357 target_id = ccb->ccb_h.target_id;
358 our_id = SIM_SCSI_ID(ahd, sim);
359
360 switch (ccb->ccb_h.func_code) {
361 /* Common cases first */
362#ifdef AHD_TARGET_MODE
363 case XPT_ACCEPT_TARGET_IO: /* Accept Host Target Mode CDB */
364 case XPT_CONT_TARGET_IO:/* Continue Host Target I/O Connection*/
365 {
366 struct ahd_tmode_tstate *tstate;
367 cam_status status;
368
369 status = ahd_find_tmode_devs(ahd, sim, ccb, &tstate,
370 &lstate, TRUE);
371
372 if (status != CAM_REQ_CMP) {
373 if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) {
374 /* Response from the black hole device */
375 tstate = NULL;
376 lstate = ahd->black_hole;
377 } else {
378 ccb->ccb_h.status = status;
379 xpt_done(ccb);
380 break;
381 }
382 }
383 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) {
384
385 ahd_lock(ahd, &s);
386 SLIST_INSERT_HEAD(&lstate->accept_tios, &ccb->ccb_h,
387 sim_links.sle);
388 ccb->ccb_h.status = CAM_REQ_INPROG;
389 if ((ahd->flags & AHD_TQINFIFO_BLOCKED) != 0)
390 ahd_run_tqinfifo(ahd, /*paused*/FALSE);
391 ahd_unlock(ahd, &s);
392 break;
393 }
394
395 /*
396 * The target_id represents the target we attempt to
397 * select. In target mode, this is the initiator of
398 * the original command.
399 */
400 our_id = target_id;
401 target_id = ccb->csio.init_id;
402 /* FALLTHROUGH */
403 }
404#endif
405 case XPT_SCSI_IO: /* Execute the requested I/O operation */
406 case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */
407 {
408 struct scb *scb;
409 struct hardware_scb *hscb;
410 struct ahd_initiator_tinfo *tinfo;
411 struct ahd_tmode_tstate *tstate;
412 u_int col_idx;
413
414 if ((ahd->flags & AHD_INITIATORROLE) == 0
415 && (ccb->ccb_h.func_code == XPT_SCSI_IO
416 || ccb->ccb_h.func_code == XPT_RESET_DEV)) {
417 ccb->ccb_h.status = CAM_PROVIDE_FAIL;
418 xpt_done(ccb);
419 return;
420 }
421
422 /*
423 * get an scb to use.
424 */
425 ahd_lock(ahd, &s);
426 tinfo = ahd_fetch_transinfo(ahd, 'A', our_id,
427 target_id, &tstate);
428 if ((ccb->ccb_h.flags & CAM_TAG_ACTION_VALID) == 0
429 || (tinfo->curr.ppr_options & MSG_EXT_PPR_IU_REQ) != 0
430 || ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) {
431 col_idx = AHD_NEVER_COL_IDX;
432 } else {
433 col_idx = AHD_BUILD_COL_IDX(target_id,
434 ccb->ccb_h.target_lun);
435 }
436 if ((scb = ahd_get_scb(ahd, col_idx)) == NULL) {
437
438 xpt_freeze_simq(sim, /*count*/1);
439 ahd->flags |= AHD_RESOURCE_SHORTAGE;
440 ahd_unlock(ahd, &s);
441 ccb->ccb_h.status = CAM_REQUEUE_REQ;
442 xpt_done(ccb);
443 return;
444 }
445 ahd_unlock(ahd, &s);
446
447 hscb = scb->hscb;
448
449 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_SUBTRACE,
450 ("start scb(%p)\n", scb));
451 scb->io_ctx = ccb;
452 /*
453 * So we can find the SCB when an abort is requested
454 */
455 ccb->ccb_h.ccb_scb_ptr = scb;
456
457 /*
458 * Put all the arguments for the xfer in the scb
459 */
460 hscb->control = 0;
461 hscb->scsiid = BUILD_SCSIID(ahd, sim, target_id, our_id);
462 hscb->lun = ccb->ccb_h.target_lun;
463 if (ccb->ccb_h.func_code == XPT_RESET_DEV) {
464 hscb->cdb_len = 0;
465 scb->flags |= SCB_DEVICE_RESET;
466 hscb->control |= MK_MESSAGE;
467 hscb->task_management = SIU_TASKMGMT_LUN_RESET;
468 ahd_execute_scb(scb, NULL, 0, 0);
469 } else {
470#ifdef AHD_TARGET_MODE
471 if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) {
472 struct target_data *tdata;
473
474 tdata = &hscb->shared_data.tdata;
475 if (ahd->pending_device == lstate)
476 scb->flags |= SCB_TARGET_IMMEDIATE;
477 hscb->control |= TARGET_SCB;
478 tdata->target_phases = 0;
479 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) != 0) {
480 tdata->target_phases |= SPHASE_PENDING;
481 tdata->scsi_status =
482 ccb->csio.scsi_status;
483 }
484 if (ccb->ccb_h.flags & CAM_DIS_DISCONNECT)
485 tdata->target_phases |= NO_DISCONNECT;
486
487 tdata->initiator_tag =
488 ahd_htole16(ccb->csio.tag_id);
489 }
490#endif
491 hscb->task_management = 0;
492 if (ccb->ccb_h.flags & CAM_TAG_ACTION_VALID)
493 hscb->control |= ccb->csio.tag_action;
494
495 ahd_setup_data(ahd, sim, &ccb->csio, scb);
496 }
497 break;
498 }
499#ifdef AHD_TARGET_MODE
500 case XPT_NOTIFY_ACK:
501 case XPT_IMMED_NOTIFY:
502 {
503 struct ahd_tmode_tstate *tstate;
504 struct ahd_tmode_lstate *lstate;
505 cam_status status;
506
507 status = ahd_find_tmode_devs(ahd, sim, ccb, &tstate,
508 &lstate, TRUE);
509
510 if (status != CAM_REQ_CMP) {
511 ccb->ccb_h.status = status;
512 xpt_done(ccb);
513 break;
514 }
515 SLIST_INSERT_HEAD(&lstate->immed_notifies, &ccb->ccb_h,
516 sim_links.sle);
517 ccb->ccb_h.status = CAM_REQ_INPROG;
518 ahd_send_lstate_events(ahd, lstate);
519 break;
520 }
521 case XPT_EN_LUN: /* Enable LUN as a target */
522 ahd_handle_en_lun(ahd, sim, ccb);
523 xpt_done(ccb);
524 break;
525#endif
526 case XPT_ABORT: /* Abort the specified CCB */
527 {
528 ahd_abort_ccb(ahd, sim, ccb);
529 break;
530 }
531 case XPT_SET_TRAN_SETTINGS:
532 {
533 ahd_lock(ahd, &s);
534 ahd_set_tran_settings(ahd, SIM_SCSI_ID(ahd, sim),
535 SIM_CHANNEL(ahd, sim), &ccb->cts);
536 ahd_unlock(ahd, &s);
537 xpt_done(ccb);
538 break;
539 }
540 case XPT_GET_TRAN_SETTINGS:
541 /* Get default/user set transfer settings for the target */
542 {
543 ahd_lock(ahd, &s);
544 ahd_get_tran_settings(ahd, SIM_SCSI_ID(ahd, sim),
545 SIM_CHANNEL(ahd, sim), &ccb->cts);
546 ahd_unlock(ahd, &s);
547 xpt_done(ccb);
548 break;
549 }
550 case XPT_CALC_GEOMETRY:
551 {
552 aic_calc_geometry(&ccb->ccg, ahd->flags & AHD_EXTENDED_TRANS_A);
553 xpt_done(ccb);
554 break;
555 }
556 case XPT_RESET_BUS: /* Reset the specified SCSI bus */
557 {
558 int found;
559
560 ahd_lock(ahd, &s);
561 found = ahd_reset_channel(ahd, SIM_CHANNEL(ahd, sim),
562 /*initiate reset*/TRUE);
563 ahd_unlock(ahd, &s);
564 if (bootverbose) {
565 xpt_print_path(SIM_PATH(ahd, sim));
566 printf("SCSI bus reset delivered. "
567 "%d SCBs aborted.\n", found);
568 }
569 ccb->ccb_h.status = CAM_REQ_CMP;
570 xpt_done(ccb);
571 break;
572 }
573 case XPT_TERM_IO: /* Terminate the I/O process */
574 /* XXX Implement */
575 ccb->ccb_h.status = CAM_REQ_INVALID;
576 xpt_done(ccb);
577 break;
578 case XPT_PATH_INQ: /* Path routing inquiry */
579 {
580 struct ccb_pathinq *cpi = &ccb->cpi;
581
582 cpi->version_num = 1; /* XXX??? */
583 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE;
584 if ((ahd->features & AHD_WIDE) != 0)
585 cpi->hba_inquiry |= PI_WIDE_16;
586 if ((ahd->features & AHD_TARGETMODE) != 0) {
587 cpi->target_sprt = PIT_PROCESSOR
588 | PIT_DISCONNECT
589 | PIT_TERM_IO;
590 } else {
591 cpi->target_sprt = 0;
592 }
593 cpi->hba_misc = 0;
594 cpi->hba_eng_cnt = 0;
595 cpi->max_target = (ahd->features & AHD_WIDE) ? 15 : 7;
596 cpi->max_lun = AHD_NUM_LUNS_NONPKT - 1;
597 cpi->initiator_id = ahd->our_id;
598 if ((ahd->flags & AHD_RESET_BUS_A) == 0) {
599 cpi->hba_misc |= PIM_NOBUSRESET;
600 }
601 cpi->bus_id = cam_sim_bus(sim);
602 cpi->base_transfer_speed = 3300;
603 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
604 strncpy(cpi->hba_vid, "Adaptec", HBA_IDLEN);
605 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
606 cpi->unit_number = cam_sim_unit(sim);
607 cpi->protocol = PROTO_SCSI;
608 cpi->protocol_version = SCSI_REV_2;
609 cpi->transport = XPORT_SPI;
610 cpi->transport_version = 2;
611 cpi->xport_specific.spi.ppr_options = SID_SPI_CLOCK_ST;
612 cpi->transport_version = 4;
613 cpi->xport_specific.spi.ppr_options = SID_SPI_CLOCK_DT_ST;
614 cpi->ccb_h.status = CAM_REQ_CMP;
615 xpt_done(ccb);
616 break;
617 }
618 default:
619 ccb->ccb_h.status = CAM_PROVIDE_FAIL;
620 xpt_done(ccb);
621 break;
622 }
623}
624
625
626static void
627ahd_set_tran_settings(struct ahd_softc *ahd, int our_id, char channel,
628 struct ccb_trans_settings *cts)
629{
630 struct ahd_devinfo devinfo;
631 struct ccb_trans_settings_scsi *scsi;
632 struct ccb_trans_settings_spi *spi;
633 struct ahd_initiator_tinfo *tinfo;
634 struct ahd_tmode_tstate *tstate;
635 uint16_t *discenable;
636 uint16_t *tagenable;
637 u_int update_type;
638
639 scsi = &cts->proto_specific.scsi;
640 spi = &cts->xport_specific.spi;
641 ahd_compile_devinfo(&devinfo, SIM_SCSI_ID(ahd, sim),
642 cts->ccb_h.target_id,
643 cts->ccb_h.target_lun,
644 SIM_CHANNEL(ahd, sim),
645 ROLE_UNKNOWN);
646 tinfo = ahd_fetch_transinfo(ahd, devinfo.channel,
647 devinfo.our_scsiid,
648 devinfo.target, &tstate);
649 update_type = 0;
650 if (cts->type == CTS_TYPE_CURRENT_SETTINGS) {
651 update_type |= AHD_TRANS_GOAL;
652 discenable = &tstate->discenable;
653 tagenable = &tstate->tagenable;
654 tinfo->curr.protocol_version = cts->protocol_version;
655 tinfo->curr.transport_version = cts->transport_version;
656 tinfo->goal.protocol_version = cts->protocol_version;
657 tinfo->goal.transport_version = cts->transport_version;
658 } else if (cts->type == CTS_TYPE_USER_SETTINGS) {
659 update_type |= AHD_TRANS_USER;
660 discenable = &ahd->user_discenable;
661 tagenable = &ahd->user_tagenable;
662 tinfo->user.protocol_version = cts->protocol_version;
663 tinfo->user.transport_version = cts->transport_version;
664 } else {
665 cts->ccb_h.status = CAM_REQ_INVALID;
666 return;
667 }
668
669 if ((spi->valid & CTS_SPI_VALID_DISC) != 0) {
670 if ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0)
671 *discenable |= devinfo.target_mask;
672 else
673 *discenable &= ~devinfo.target_mask;
674 }
675
676 if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) {
677 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0)
678 *tagenable |= devinfo.target_mask;
679 else
680 *tagenable &= ~devinfo.target_mask;
681 }
682
683 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) {
684 ahd_validate_width(ahd, /*tinfo limit*/NULL,
685 &spi->bus_width, ROLE_UNKNOWN);
686 ahd_set_width(ahd, &devinfo, spi->bus_width,
687 update_type, /*paused*/FALSE);
688 }
689
690 if ((spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0) {
691 if (update_type == AHD_TRANS_USER)
692 spi->ppr_options = tinfo->user.ppr_options;
693 else
694 spi->ppr_options = tinfo->goal.ppr_options;
695 }
696
697 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0) {
698 if (update_type == AHD_TRANS_USER)
699 spi->sync_offset = tinfo->user.offset;
700 else
701 spi->sync_offset = tinfo->goal.offset;
702 }
703
704 if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) {
705 if (update_type == AHD_TRANS_USER)
706 spi->sync_period = tinfo->user.period;
707 else
708 spi->sync_period = tinfo->goal.period;
709 }
710
711 if (((spi->valid & CTS_SPI_VALID_SYNC_RATE) != 0)
712 || ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) != 0)) {
713 u_int maxsync;
714
715 maxsync = AHD_SYNCRATE_MAX;
716
717 if (spi->bus_width != MSG_EXT_WDTR_BUS_16_BIT)
718 spi->ppr_options &= ~MSG_EXT_PPR_DT_REQ;
719
720 if ((*discenable & devinfo.target_mask) == 0)
721 spi->ppr_options &= ~MSG_EXT_PPR_IU_REQ;
722
723 ahd_find_syncrate(ahd, &spi->sync_period,
724 &spi->ppr_options, maxsync);
725 ahd_validate_offset(ahd, /*tinfo limit*/NULL,
726 spi->sync_period, &spi->sync_offset,
727 spi->bus_width, ROLE_UNKNOWN);
728
729 /* We use a period of 0 to represent async */
730 if (spi->sync_offset == 0) {
731 spi->sync_period = 0;
732 spi->ppr_options = 0;
733 }
734
735 ahd_set_syncrate(ahd, &devinfo, spi->sync_period,
736 spi->sync_offset, spi->ppr_options,
737 update_type, /*paused*/FALSE);
738 }
739 cts->ccb_h.status = CAM_REQ_CMP;
740}
741
742static void
743ahd_get_tran_settings(struct ahd_softc *ahd, int our_id, char channel,
744 struct ccb_trans_settings *cts)
745{
746 struct ahd_devinfo devinfo;
747 struct ccb_trans_settings_scsi *scsi;
748 struct ccb_trans_settings_spi *spi;
749 struct ahd_initiator_tinfo *targ_info;
750 struct ahd_tmode_tstate *tstate;
751 struct ahd_transinfo *tinfo;
752
753 scsi = &cts->proto_specific.scsi;
754 spi = &cts->xport_specific.spi;
755 ahd_compile_devinfo(&devinfo, our_id,
756 cts->ccb_h.target_id,
757 cts->ccb_h.target_lun,
758 channel, ROLE_UNKNOWN);
759 targ_info = ahd_fetch_transinfo(ahd, devinfo.channel,
760 devinfo.our_scsiid,
761 devinfo.target, &tstate);
762
763 if (cts->type == CTS_TYPE_CURRENT_SETTINGS)
764 tinfo = &targ_info->curr;
765 else
766 tinfo = &targ_info->user;
767
768 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB;
769 spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB;
770 if (cts->type == CTS_TYPE_USER_SETTINGS) {
771 if ((ahd->user_discenable & devinfo.target_mask) != 0)
772 spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
773
774 if ((ahd->user_tagenable & devinfo.target_mask) != 0)
775 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
776 } else {
777 if ((tstate->discenable & devinfo.target_mask) != 0)
778 spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
779
780 if ((tstate->tagenable & devinfo.target_mask) != 0)
781 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
782 }
783 cts->protocol_version = tinfo->protocol_version;
784 cts->transport_version = tinfo->transport_version;
785
786 spi->sync_period = tinfo->period;
787 spi->sync_offset = tinfo->offset;
788 spi->bus_width = tinfo->width;
789 spi->ppr_options = tinfo->ppr_options;
790
791 cts->protocol = PROTO_SCSI;
792 cts->transport = XPORT_SPI;
793 spi->valid = CTS_SPI_VALID_SYNC_RATE
794 | CTS_SPI_VALID_SYNC_OFFSET
795 | CTS_SPI_VALID_BUS_WIDTH
796 | CTS_SPI_VALID_PPR_OPTIONS;
797
798 if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) {
799 scsi->valid = CTS_SCSI_VALID_TQ;
800 spi->valid |= CTS_SPI_VALID_DISC;
801 } else {
802 scsi->valid = 0;
803 }
804
805 cts->ccb_h.status = CAM_REQ_CMP;
806}
807
808static void
809ahd_async(void *callback_arg, uint32_t code, struct cam_path *path, void *arg)
810{
811 struct ahd_softc *ahd;
812 struct cam_sim *sim;
813
814 sim = (struct cam_sim *)callback_arg;
815 ahd = (struct ahd_softc *)cam_sim_softc(sim);
816 switch (code) {
817 case AC_LOST_DEVICE:
818 {
819 struct ahd_devinfo devinfo;
820 long s;
821
822 ahd_compile_devinfo(&devinfo, SIM_SCSI_ID(ahd, sim),
823 xpt_path_target_id(path),
824 xpt_path_lun_id(path),
825 SIM_CHANNEL(ahd, sim),
826 ROLE_UNKNOWN);
827
828 /*
829 * Revert to async/narrow transfers
830 * for the next device.
831 */
832 ahd_lock(ahd, &s);
833 ahd_set_width(ahd, &devinfo, MSG_EXT_WDTR_BUS_8_BIT,
834 AHD_TRANS_GOAL|AHD_TRANS_CUR, /*paused*/FALSE);
835 ahd_set_syncrate(ahd, &devinfo, /*period*/0, /*offset*/0,
836 /*ppr_options*/0, AHD_TRANS_GOAL|AHD_TRANS_CUR,
837 /*paused*/FALSE);
838 ahd_unlock(ahd, &s);
839 break;
840 }
841 default:
842 break;
843 }
844}
845
846static void
847ahd_execute_scb(void *arg, bus_dma_segment_t *dm_segs, int nsegments,
848 int error)
849{
850 struct scb *scb;
851 union ccb *ccb;
852 struct ahd_softc *ahd;
853 struct ahd_initiator_tinfo *tinfo;
854 struct ahd_tmode_tstate *tstate;
855 u_int mask;
856 u_long s;
857
858 scb = (struct scb *)arg;
859 ccb = scb->io_ctx;
860 ahd = scb->ahd_softc;
861
862 if (error != 0) {
863 if (error == EFBIG)
864 aic_set_transaction_status(scb, CAM_REQ_TOO_BIG);
865 else
866 aic_set_transaction_status(scb, CAM_REQ_CMP_ERR);
867 if (nsegments != 0)
868 bus_dmamap_unload(ahd->buffer_dmat, scb->dmamap);
869 ahd_lock(ahd, &s);
870 ahd_free_scb(ahd, scb);
871 ahd_unlock(ahd, &s);
872 xpt_done(ccb);
873 return;
874 }
875 scb->sg_count = 0;
876 if (nsegments != 0) {
877 void *sg;
878 bus_dmasync_op_t op;
879 u_int i;
880
881 /* Copy the segments into our SG list */
882 for (i = nsegments, sg = scb->sg_list; i > 0; i--) {
883
884 sg = ahd_sg_setup(ahd, scb, sg, dm_segs->ds_addr,
885 dm_segs->ds_len,
886 /*last*/i == 1);
887 dm_segs++;
888 }
889
890 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)
891 op = BUS_DMASYNC_PREREAD;
892 else
893 op = BUS_DMASYNC_PREWRITE;
894
895 bus_dmamap_sync(ahd->buffer_dmat, scb->dmamap, op);
896
897 if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) {
898 struct target_data *tdata;
899
900 tdata = &scb->hscb->shared_data.tdata;
901 tdata->target_phases |= DPHASE_PENDING;
902 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT)
903 tdata->data_phase = P_DATAOUT;
904 else
905 tdata->data_phase = P_DATAIN;
906 }
907 }
908
909 ahd_lock(ahd, &s);
910
911 /*
912 * Last time we need to check if this SCB needs to
913 * be aborted.
914 */
915 if (aic_get_transaction_status(scb) != CAM_REQ_INPROG) {
916 if (nsegments != 0)
917 bus_dmamap_unload(ahd->buffer_dmat,
918 scb->dmamap);
919 ahd_free_scb(ahd, scb);
920 ahd_unlock(ahd, &s);
921 xpt_done(ccb);
922 return;
923 }
924
925 tinfo = ahd_fetch_transinfo(ahd, SCSIID_CHANNEL(ahd, scb->hscb->scsiid),
926 SCSIID_OUR_ID(scb->hscb->scsiid),
927 SCSIID_TARGET(ahd, scb->hscb->scsiid),
928 &tstate);
929
930 mask = SCB_GET_TARGET_MASK(ahd, scb);
931
932 if ((tstate->discenable & mask) != 0
933 && (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) == 0)
934 scb->hscb->control |= DISCENB;
935
936 if ((tinfo->curr.ppr_options & MSG_EXT_PPR_IU_REQ) != 0) {
937 scb->flags |= SCB_PACKETIZED;
938 if (scb->hscb->task_management != 0)
939 scb->hscb->control &= ~MK_MESSAGE;
940 }
941
942 if ((ccb->ccb_h.flags & CAM_NEGOTIATE) != 0
943 && (tinfo->goal.width != 0
944 || tinfo->goal.period != 0
945 || tinfo->goal.ppr_options != 0)) {
946 scb->flags |= SCB_NEGOTIATE;
947 scb->hscb->control |= MK_MESSAGE;
948 } else if ((tstate->auto_negotiate & mask) != 0) {
949 scb->flags |= SCB_AUTO_NEGOTIATE;
950 scb->hscb->control |= MK_MESSAGE;
951 }
952
953 LIST_INSERT_HEAD(&ahd->pending_scbs, scb, pending_links);
954
955 ccb->ccb_h.status |= CAM_SIM_QUEUED;
956
957 aic_scb_timer_start(scb);
958
959 if ((scb->flags & SCB_TARGET_IMMEDIATE) != 0) {
960 /* Define a mapping from our tag to the SCB. */
961 ahd->scb_data.scbindex[SCB_GET_TAG(scb)] = scb;
962 ahd_pause(ahd);
963 ahd_set_scbptr(ahd, SCB_GET_TAG(scb));
964 ahd_outb(ahd, RETURN_1, CONT_MSG_LOOP_TARG);
965 ahd_unpause(ahd);
966 } else {
967 ahd_queue_scb(ahd, scb);
968 }
969
970 ahd_unlock(ahd, &s);
971}
972
973static void
974ahd_poll(struct cam_sim *sim)
975{
976 ahd_intr(cam_sim_softc(sim));
977}
978
979static void
980ahd_setup_data(struct ahd_softc *ahd, struct cam_sim *sim,
981 struct ccb_scsiio *csio, struct scb *scb)
982{
983 struct hardware_scb *hscb;
984 struct ccb_hdr *ccb_h;
985
986 hscb = scb->hscb;
987 ccb_h = &csio->ccb_h;
988
989 csio->resid = 0;
990 csio->sense_resid = 0;
991 if (ccb_h->func_code == XPT_SCSI_IO) {
992 hscb->cdb_len = csio->cdb_len;
993 if ((ccb_h->flags & CAM_CDB_POINTER) != 0) {
994
995 if (hscb->cdb_len > MAX_CDB_LEN
996 && (ccb_h->flags & CAM_CDB_PHYS) == 0) {
997 u_long s;
998
999 /*
1000 * Should CAM start to support CDB sizes
1001 * greater than 16 bytes, we could use
1002 * the sense buffer to store the CDB.
1003 */
1004 aic_set_transaction_status(scb,
1005 CAM_REQ_INVALID);
1006 ahd_lock(ahd, &s);
1007 ahd_free_scb(ahd, scb);
1008 ahd_unlock(ahd, &s);
1009 xpt_done((union ccb *)csio);
1010 return;
1011 }
1012 if ((ccb_h->flags & CAM_CDB_PHYS) != 0) {
1013 hscb->shared_data.idata.cdb_from_host.cdbptr =
1014 aic_htole64((uintptr_t)csio->cdb_io.cdb_ptr);
1015 hscb->shared_data.idata.cdb_from_host.cdblen =
1016 csio->cdb_len;
1017 hscb->cdb_len |= SCB_CDB_LEN_PTR;
1018 } else {
1019 memcpy(hscb->shared_data.idata.cdb,
1020 csio->cdb_io.cdb_ptr,
1021 hscb->cdb_len);
1022 }
1023 } else {
1024 if (hscb->cdb_len > MAX_CDB_LEN) {
1025 u_long s;
1026
1027 aic_set_transaction_status(scb,
1028 CAM_REQ_INVALID);
1029 ahd_lock(ahd, &s);
1030 ahd_free_scb(ahd, scb);
1031 ahd_unlock(ahd, &s);
1032 xpt_done((union ccb *)csio);
1033 return;
1034 }
1035 memcpy(hscb->shared_data.idata.cdb,
1036 csio->cdb_io.cdb_bytes, hscb->cdb_len);
1037 }
1038 }
1039
1040 /* Only use S/G if there is a transfer */
1041 if ((ccb_h->flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
1042 if ((ccb_h->flags & CAM_SCATTER_VALID) == 0) {
1043 /* We've been given a pointer to a single buffer */
1044 if ((ccb_h->flags & CAM_DATA_PHYS) == 0) {
1045 int s;
1046 int error;
1047
1048 s = splsoftvm();
1049 error = bus_dmamap_load(ahd->buffer_dmat,
1050 scb->dmamap,
1051 csio->data_ptr,
1052 csio->dxfer_len,
1053 ahd_execute_scb,
1054 scb, /*flags*/0);
1055 if (error == EINPROGRESS) {
1056 /*
1057 * So as to maintain ordering,
1058 * freeze the controller queue
1059 * until our mapping is
1060 * returned.
1061 */
1062 xpt_freeze_simq(sim,
1063 /*count*/1);
1064 scb->io_ctx->ccb_h.status |=
1065 CAM_RELEASE_SIMQ;
1066 }
1067 splx(s);
1068 } else {
1069 struct bus_dma_segment seg;
1070
1071 /* Pointer to physical buffer */
1072 if (csio->dxfer_len > AHD_MAXTRANSFER_SIZE)
1073 panic("ahd_setup_data - Transfer size "
1074 "larger than can device max");
1075
1076 seg.ds_addr =
1077 (bus_addr_t)(vm_offset_t)csio->data_ptr;
1078 seg.ds_len = csio->dxfer_len;
1079 ahd_execute_scb(scb, &seg, 1, 0);
1080 }
1081 } else {
1082 struct bus_dma_segment *segs;
1083
1084 if ((ccb_h->flags & CAM_DATA_PHYS) != 0)
1085 panic("ahd_setup_data - Physical segment "
1086 "pointers unsupported");
1087
1088 if ((ccb_h->flags & CAM_SG_LIST_PHYS) == 0)
1089 panic("ahd_setup_data - Virtual segment "
1090 "addresses unsupported");
1091
1092 /* Just use the segments provided */
1093 segs = (struct bus_dma_segment *)csio->data_ptr;
1094 ahd_execute_scb(scb, segs, csio->sglist_cnt, 0);
1095 }
1096 } else {
1097 ahd_execute_scb(scb, NULL, 0, 0);
1098 }
1099}
1100
1101static void
1102ahd_abort_ccb(struct ahd_softc *ahd, struct cam_sim *sim, union ccb *ccb)
1103{
1104 union ccb *abort_ccb;
1105
1106 abort_ccb = ccb->cab.abort_ccb;
1107 switch (abort_ccb->ccb_h.func_code) {
1108#ifdef AHD_TARGET_MODE
1109 case XPT_ACCEPT_TARGET_IO:
1110 case XPT_IMMED_NOTIFY:
1111 case XPT_CONT_TARGET_IO:
1112 {
1113 struct ahd_tmode_tstate *tstate;
1114 struct ahd_tmode_lstate *lstate;
1115 struct ccb_hdr_slist *list;
1116 cam_status status;
1117
1118 status = ahd_find_tmode_devs(ahd, sim, abort_ccb, &tstate,
1119 &lstate, TRUE);
1120
1121 if (status != CAM_REQ_CMP) {
1122 ccb->ccb_h.status = status;
1123 break;
1124 }
1125
1126 if (abort_ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO)
1127 list = &lstate->accept_tios;
1128 else if (abort_ccb->ccb_h.func_code == XPT_IMMED_NOTIFY)
1129 list = &lstate->immed_notifies;
1130 else
1131 list = NULL;
1132
1133 if (list != NULL) {
1134 struct ccb_hdr *curelm;
1135 int found;
1136
1137 curelm = SLIST_FIRST(list);
1138 found = 0;
1139 if (curelm == &abort_ccb->ccb_h) {
1140 found = 1;
1141 SLIST_REMOVE_HEAD(list, sim_links.sle);
1142 } else {
1143 while(curelm != NULL) {
1144 struct ccb_hdr *nextelm;
1145
1146 nextelm =
1147 SLIST_NEXT(curelm, sim_links.sle);
1148
1149 if (nextelm == &abort_ccb->ccb_h) {
1150 found = 1;
1151 SLIST_NEXT(curelm,
1152 sim_links.sle) =
1153 SLIST_NEXT(nextelm,
1154 sim_links.sle);
1155 break;
1156 }
1157 curelm = nextelm;
1158 }
1159 }
1160
1161 if (found) {
1162 abort_ccb->ccb_h.status = CAM_REQ_ABORTED;
1163 xpt_done(abort_ccb);
1164 ccb->ccb_h.status = CAM_REQ_CMP;
1165 } else {
1166 xpt_print_path(abort_ccb->ccb_h.path);
1167 printf("Not found\n");
1168 ccb->ccb_h.status = CAM_PATH_INVALID;
1169 }
1170 break;
1171 }
1172 /* FALLTHROUGH */
1173 }
1174#endif
1175 case XPT_SCSI_IO:
1176 /* XXX Fully implement the hard ones */
1177 ccb->ccb_h.status = CAM_UA_ABORT;
1178 break;
1179 default:
1180 ccb->ccb_h.status = CAM_REQ_INVALID;
1181 break;
1182 }
1183 xpt_done(ccb);
1184}
1185
1186void
1187ahd_send_async(struct ahd_softc *ahd, char channel, u_int target,
1188 u_int lun, ac_code code, void *opt_arg)
1189{
1190 struct ccb_trans_settings cts;
1191 struct cam_path *path;
1192 void *arg;
1193 int error;
1194
1195 arg = NULL;
1196 error = ahd_create_path(ahd, channel, target, lun, &path);
1197
1198 if (error != CAM_REQ_CMP)
1199 return;
1200
1201 switch (code) {
1202 case AC_TRANSFER_NEG:
1203 {
1204 struct ccb_trans_settings_scsi *scsi;
1205
1206 cts.type = CTS_TYPE_CURRENT_SETTINGS;
1207 scsi = &cts.proto_specific.scsi;
1208 cts.ccb_h.path = path;
1209 cts.ccb_h.target_id = target;
1210 cts.ccb_h.target_lun = lun;
1211 ahd_get_tran_settings(ahd, ahd->our_id, channel, &cts);
1212 arg = &cts;
1213 scsi->valid &= ~CTS_SCSI_VALID_TQ;
1214 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB;
1215 if (opt_arg == NULL)
1216 break;
1217 if (*((ahd_queue_alg *)opt_arg) == AHD_QUEUE_TAGGED)
1218 scsi->flags |= ~CTS_SCSI_FLAGS_TAG_ENB;
1219 scsi->valid |= CTS_SCSI_VALID_TQ;
1220 break;
1221 }
1222 case AC_SENT_BDR:
1223 case AC_BUS_RESET:
1224 break;
1225 default:
1226 panic("ahd_send_async: Unexpected async event");
1227 }
1228 xpt_async(code, path, arg);
1229 xpt_free_path(path);
1230}
1231
1232void
1233ahd_platform_set_tags(struct ahd_softc *ahd,
1234 struct ahd_devinfo *devinfo, int enable)
1235{
1236}
1237
1238int
1239ahd_platform_alloc(struct ahd_softc *ahd, void *platform_arg)
1240{
1241 ahd->platform_data = malloc(sizeof(struct ahd_platform_data), M_DEVBUF,
1242 M_NOWAIT | M_ZERO);
1243 if (ahd->platform_data == NULL)
1244 return (ENOMEM);
1245 return (0);
1246}
1247
1248void
1249ahd_platform_free(struct ahd_softc *ahd)
1250{
1251 struct ahd_platform_data *pdata;
1252
1253 pdata = ahd->platform_data;
1254 if (pdata != NULL) {
1255 if (pdata->regs[0] != NULL)
1256 bus_release_resource(ahd->dev_softc,
1257 pdata->regs_res_type[0],
1258 pdata->regs_res_id[0],
1259 pdata->regs[0]);
1260
1261 if (pdata->regs[1] != NULL)
1262 bus_release_resource(ahd->dev_softc,
1263 pdata->regs_res_type[1],
1264 pdata->regs_res_id[1],
1265 pdata->regs[1]);
1266
1267 if (pdata->irq != NULL)
1268 bus_release_resource(ahd->dev_softc,
1269 pdata->irq_res_type,
1270 0, pdata->irq);
1271
1272 if (pdata->sim != NULL) {
1273 xpt_async(AC_LOST_DEVICE, pdata->path, NULL);
1274 xpt_free_path(pdata->path);
1275 xpt_bus_deregister(cam_sim_path(pdata->sim));
1276 cam_sim_free(pdata->sim, /*free_devq*/TRUE);
1277 }
1278 if (pdata->eh != NULL)
1279 EVENTHANDLER_DEREGISTER(shutdown_final, pdata->eh);
1280 free(ahd->platform_data, M_DEVBUF);
1281 }
1282}
1283
1284int
1285ahd_softc_comp(struct ahd_softc *lahd, struct ahd_softc *rahd)
1286{
1287 /* We don't sort softcs under FreeBSD so report equal always */
1288 return (0);
1289}
1290
1291int
1292ahd_detach(device_t dev)
1293{
1294 struct ahd_softc *ahd;
1295 u_long l;
1296 u_long s;
1297
1298 ahd_list_lock(&l);
1299 device_printf(dev, "detaching device\n");
1300 ahd = device_get_softc(dev);
1301 ahd = ahd_find_softc(ahd);
1302 if (ahd == NULL) {
1303 device_printf(dev, "aic7xxx already detached\n");
1304 ahd_list_unlock(&l);
1305 return (ENOENT);
1306 }
1307 TAILQ_REMOVE(&ahd_tailq, ahd, links);
1308 ahd_list_unlock(&l);
1309 ahd_lock(ahd, &s);
1310 ahd_intr_enable(ahd, FALSE);
1311 bus_teardown_intr(dev, ahd->platform_data->irq, ahd->platform_data->ih);
1312 ahd_unlock(ahd, &s);
1313 ahd_free(ahd);
1314 return (0);
1315}
1316
1317#if 0
1318static void
1319ahd_dump_targcmd(struct target_cmd *cmd)
1320{
1321 uint8_t *byte;
1322 uint8_t *last_byte;
1323 int i;
1324
1325 byte = &cmd->initiator_channel;
1326 /* Debugging info for received commands */
1327 last_byte = &cmd[1].initiator_channel;
1328
1329 i = 0;
1330 while (byte < last_byte) {
1331 if (i == 0)
1332 printf("\t");
1333 printf("%#x", *byte++);
1334 i++;
1335 if (i == 8) {
1336 printf("\n");
1337 i = 0;
1338 } else {
1339 printf(", ");
1340 }
1341 }
1342}
1343#endif
1344
1345static int
1346ahd_modevent(module_t mod, int type, void *data)
1347{
1348 /* XXX Deal with busy status on unload. */
1349 /* XXX Deal with unknown events */
1350 return 0;
1351}
1352
1353static moduledata_t ahd_mod = {
1354 "ahd",
1355 ahd_modevent,
1356 NULL
1357};
1358
1359/********************************** DDB Hooks *********************************/
1360#ifdef DDB
1361static struct ahd_softc *ahd_ddb_softc;
1362static int ahd_ddb_paused;
1363static int ahd_ddb_paused_on_entry;
1364DB_COMMAND(ahd_sunit, ahd_ddb_sunit)
1365{
1366 struct ahd_softc *list_ahd;
1367
1368 ahd_ddb_softc = NULL;
1369 TAILQ_FOREACH(list_ahd, &ahd_tailq, links) {
1370 if (list_ahd->unit == addr)
1371 ahd_ddb_softc = list_ahd;
1372 }
1373 if (ahd_ddb_softc == NULL)
1374 db_error("No matching softc found!\n");
1375}
1376
1377DB_COMMAND(ahd_pause, ahd_ddb_pause)
1378{
1379 if (ahd_ddb_softc == NULL) {
1380 db_error("Must set unit with ahd_sunit first!\n");
1381 return;
1382 }
1383 if (ahd_ddb_paused == 0) {
1384 ahd_ddb_paused++;
1385 if (ahd_is_paused(ahd_ddb_softc)) {
1386 ahd_ddb_paused_on_entry++;
1387 return;
1388 }
1389 ahd_pause(ahd_ddb_softc);
1390 }
1391}
1392
1393DB_COMMAND(ahd_unpause, ahd_ddb_unpause)
1394{
1395 if (ahd_ddb_softc == NULL) {
1396 db_error("Must set unit with ahd_sunit first!\n");
1397 return;
1398 }
1399 if (ahd_ddb_paused != 0) {
1400 ahd_ddb_paused = 0;
1401 if (ahd_ddb_paused_on_entry)
1402 return;
1403 ahd_unpause(ahd_ddb_softc);
1404 } else if (ahd_ddb_paused_on_entry != 0) {
1405 /* Two unpauses to clear a paused on entry. */
1406 ahd_ddb_paused_on_entry = 0;
1407 ahd_unpause(ahd_ddb_softc);
1408 }
1409}
1410
1411DB_COMMAND(ahd_in, ahd_ddb_in)
1412{
1413 int c;
1414 int size;
1415
1416 if (ahd_ddb_softc == NULL) {
1417 db_error("Must set unit with ahd_sunit first!\n");
1418 return;
1419 }
1420 if (have_addr == 0)
1421 return;
1422
1423 size = 1;
1424 while ((c = *modif++) != '\0') {
1425 switch (c) {
1426 case 'b':
1427 size = 1;
1428 break;
1429 case 'w':
1430 size = 2;
1431 break;
1432 case 'l':
1433 size = 4;
1434 break;
1435 }
1436 }
1437
1438 if (count <= 0)
1439 count = 1;
1440 while (--count >= 0) {
1441 db_printf("%04lx (M)%x: \t", (u_long)addr,
1442 ahd_inb(ahd_ddb_softc, MODE_PTR));
1443 switch (size) {
1444 case 1:
1445 db_printf("%02x\n", ahd_inb(ahd_ddb_softc, addr));
1446 break;
1447 case 2:
1448 db_printf("%04x\n", ahd_inw(ahd_ddb_softc, addr));
1449 break;
1450 case 4:
1451 db_printf("%08x\n", ahd_inl(ahd_ddb_softc, addr));
1452 break;
1453 }
1454 }
1455}
1456
1457DB_FUNC(ahd_out, ahd_ddb_out, db_cmd_set, CS_MORE, NULL)
1458{
1459 db_expr_t old_value;
1460 db_expr_t new_value;
1461 int size;
1462
1463 if (ahd_ddb_softc == NULL) {
1464 db_error("Must set unit with ahd_sunit first!\n");
1465 return;
1466 }
1467
1468 switch (modif[0]) {
1469 case '\0':
1470 case 'b':
1471 size = 1;
1472 break;
1473 case 'h':
1474 size = 2;
1475 break;
1476 case 'l':
1477 size = 4;
1478 break;
1479 default:
1480 db_error("Unknown size\n");
1481 return;
1482 }
1483
1484 while (db_expression(&new_value)) {
1485 switch (size) {
1486 default:
1487 case 1:
1488 old_value = ahd_inb(ahd_ddb_softc, addr);
1489 ahd_outb(ahd_ddb_softc, addr, new_value);
1490 break;
1491 case 2:
1492 old_value = ahd_inw(ahd_ddb_softc, addr);
1493 ahd_outw(ahd_ddb_softc, addr, new_value);
1494 break;
1495 case 4:
1496 old_value = ahd_inl(ahd_ddb_softc, addr);
1497 ahd_outl(ahd_ddb_softc, addr, new_value);
1498 break;
1499 }
1500 db_printf("%04lx (M)%x: \t0x%lx\t=\t0x%lx",
1501 (u_long)addr, ahd_inb(ahd_ddb_softc, MODE_PTR),
1502 (u_long)old_value, (u_long)new_value);
1503 addr += size;
1504 }
1505 db_skip_to_eol();
1506}
1507
1508DB_COMMAND(ahd_dump, ahd_ddb_dump)
1509{
1510 if (ahd_ddb_softc == NULL) {
1511 db_error("Must set unit with ahd_sunit first!\n");
1512 return;
1513 }
1514 ahd_dump_card_state(ahd_ddb_softc);
1515}
1516
1517#endif
1518
1519
1520DECLARE_MODULE(ahd, ahd_mod, SI_SUB_DRIVERS, SI_ORDER_MIDDLE);
1521MODULE_DEPEND(ahd, cam, 1, 1, 1);
1522MODULE_VERSION(ahd, 1);
| 147 if (sim == NULL) {
148 cam_simq_free(devq);
149 goto fail;
150 }
151
152 if (xpt_bus_register(sim, /*bus_id*/0) != CAM_SUCCESS) {
153 cam_sim_free(sim, /*free_devq*/TRUE);
154 sim = NULL;
155 goto fail;
156 }
157
158 if (xpt_create_path(&path, /*periph*/NULL,
159 cam_sim_path(sim), CAM_TARGET_WILDCARD,
160 CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
161 xpt_bus_deregister(cam_sim_path(sim));
162 cam_sim_free(sim, /*free_devq*/TRUE);
163 sim = NULL;
164 goto fail;
165 }
166
167 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5);
168 csa.ccb_h.func_code = XPT_SASYNC_CB;
169 csa.event_enable = AC_LOST_DEVICE;
170 csa.callback = ahd_async;
171 csa.callback_arg = sim;
172 xpt_action((union ccb *)&csa);
173 count++;
174
175fail:
176 ahd->platform_data->sim = sim;
177 ahd->platform_data->path = path;
178 if (count != 0) {
179 /* We have to wait until after any system dumps... */
180 ahd->platform_data->eh =
181 EVENTHANDLER_REGISTER(shutdown_final, ahd_shutdown,
182 ahd, SHUTDOWN_PRI_DEFAULT);
183 ahd_intr_enable(ahd, TRUE);
184 }
185
186 ahd_unlock(ahd, &s);
187
188 return (count);
189}
190
191/*
192 * Catch an interrupt from the adapter
193 */
194void
195ahd_platform_intr(void *arg)
196{
197 struct ahd_softc *ahd;
198
199 ahd = (struct ahd_softc *)arg;
200 ahd_intr(ahd);
201}
202
203/*
204 * We have an scb which has been processed by the
205 * adaptor, now we look to see how the operation
206 * went.
207 */
208void
209ahd_done(struct ahd_softc *ahd, struct scb *scb)
210{
211 union ccb *ccb;
212
213 CAM_DEBUG(scb->io_ctx->ccb_h.path, CAM_DEBUG_TRACE,
214 ("ahd_done - scb %d\n", SCB_GET_TAG(scb)));
215
216 ccb = scb->io_ctx;
217 LIST_REMOVE(scb, pending_links);
218 if ((scb->flags & SCB_TIMEDOUT) != 0)
219 LIST_REMOVE(scb, timedout_links);
220
221 untimeout(ahd_platform_timeout, (caddr_t)scb, ccb->ccb_h.timeout_ch);
222
223 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
224 bus_dmasync_op_t op;
225
226 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)
227 op = BUS_DMASYNC_POSTREAD;
228 else
229 op = BUS_DMASYNC_POSTWRITE;
230 bus_dmamap_sync(ahd->buffer_dmat, scb->dmamap, op);
231 bus_dmamap_unload(ahd->buffer_dmat, scb->dmamap);
232 }
233
234#ifdef AHD_TARGET_MODE
235 if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) {
236 struct cam_path *ccb_path;
237
238 /*
239 * If we have finally disconnected, clean up our
240 * pending device state.
241 * XXX - There may be error states that cause where
242 * we will remain connected.
243 */
244 ccb_path = ccb->ccb_h.path;
245 if (ahd->pending_device != NULL
246 && xpt_path_comp(ahd->pending_device->path, ccb_path) == 0) {
247
248 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) != 0) {
249 ahd->pending_device = NULL;
250 } else {
251 xpt_print_path(ccb->ccb_h.path);
252 printf("Still disconnected\n");
253 ahd_freeze_ccb(ccb);
254 }
255 }
256
257 if (aic_get_transaction_status(scb) == CAM_REQ_INPROG)
258 ccb->ccb_h.status |= CAM_REQ_CMP;
259 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
260 ahd_free_scb(ahd, scb);
261 xpt_done(ccb);
262 return;
263 }
264#endif
265
266 if ((scb->flags & SCB_RECOVERY_SCB) != 0) {
267 struct scb *list_scb;
268
269 ahd->scb_data.recovery_scbs--;
270
271 if (aic_get_transaction_status(scb) == CAM_BDR_SENT
272 || aic_get_transaction_status(scb) == CAM_REQ_ABORTED)
273 aic_set_transaction_status(scb, CAM_CMD_TIMEOUT);
274
275 if (ahd->scb_data.recovery_scbs == 0) {
276 /*
277 * All recovery actions have completed successfully,
278 * so reinstate the timeouts for all other pending
279 * commands.
280 */
281 LIST_FOREACH(list_scb,
282 &ahd->pending_scbs, pending_links) {
283
284 aic_scb_timer_reset(list_scb,
285 aic_get_timeout(scb));
286 }
287
288 ahd_print_path(ahd, scb);
289 printf("no longer in timeout, status = %x\n",
290 ccb->ccb_h.status);
291 }
292 }
293
294 /* Don't clobber any existing error state */
295 if (aic_get_transaction_status(scb) == CAM_REQ_INPROG) {
296 ccb->ccb_h.status |= CAM_REQ_CMP;
297 } else if ((scb->flags & SCB_SENSE) != 0) {
298 /*
299 * We performed autosense retrieval.
300 *
301 * Zero any sense not transferred by the
302 * device. The SCSI spec mandates that any
303 * untransfered data should be assumed to be
304 * zero. Complete the 'bounce' of sense information
305 * through buffers accessible via bus-space by
306 * copying it into the clients csio.
307 */
308 memset(&ccb->csio.sense_data, 0, sizeof(ccb->csio.sense_data));
309 memcpy(&ccb->csio.sense_data,
310 ahd_get_sense_buf(ahd, scb),
311/* XXX What size do we want to use??? */
312 sizeof(ccb->csio.sense_data)
313 - ccb->csio.sense_resid);
314 scb->io_ctx->ccb_h.status |= CAM_AUTOSNS_VALID;
315 } else if ((scb->flags & SCB_PKT_SENSE) != 0) {
316 struct scsi_status_iu_header *siu;
317 u_int sense_len;
318 int i;
319
320 /*
321 * Copy only the sense data into the provided buffer.
322 */
323 siu = (struct scsi_status_iu_header *)scb->sense_data;
324 sense_len = MIN(scsi_4btoul(siu->sense_length),
325 sizeof(ccb->csio.sense_data));
326 memset(&ccb->csio.sense_data, 0, sizeof(ccb->csio.sense_data));
327 memcpy(&ccb->csio.sense_data,
328 ahd_get_sense_buf(ahd, scb) + SIU_SENSE_OFFSET(siu),
329 sense_len);
330 printf("Copied %d bytes of sense data offset %d:", sense_len,
331 SIU_SENSE_OFFSET(siu));
332 for (i = 0; i < sense_len; i++)
333 printf(" 0x%x", ((uint8_t *)&ccb->csio.sense_data)[i]);
334 printf("\n");
335 scb->io_ctx->ccb_h.status |= CAM_AUTOSNS_VALID;
336 }
337 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
338 ahd_free_scb(ahd, scb);
339 xpt_done(ccb);
340}
341
342static void
343ahd_action(struct cam_sim *sim, union ccb *ccb)
344{
345 struct ahd_softc *ahd;
346#ifdef AHD_TARGET_MODE
347 struct ahd_tmode_lstate *lstate;
348#endif
349 u_int target_id;
350 u_int our_id;
351 long s;
352
353 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("ahd_action\n"));
354
355 ahd = (struct ahd_softc *)cam_sim_softc(sim);
356
357 target_id = ccb->ccb_h.target_id;
358 our_id = SIM_SCSI_ID(ahd, sim);
359
360 switch (ccb->ccb_h.func_code) {
361 /* Common cases first */
362#ifdef AHD_TARGET_MODE
363 case XPT_ACCEPT_TARGET_IO: /* Accept Host Target Mode CDB */
364 case XPT_CONT_TARGET_IO:/* Continue Host Target I/O Connection*/
365 {
366 struct ahd_tmode_tstate *tstate;
367 cam_status status;
368
369 status = ahd_find_tmode_devs(ahd, sim, ccb, &tstate,
370 &lstate, TRUE);
371
372 if (status != CAM_REQ_CMP) {
373 if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) {
374 /* Response from the black hole device */
375 tstate = NULL;
376 lstate = ahd->black_hole;
377 } else {
378 ccb->ccb_h.status = status;
379 xpt_done(ccb);
380 break;
381 }
382 }
383 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) {
384
385 ahd_lock(ahd, &s);
386 SLIST_INSERT_HEAD(&lstate->accept_tios, &ccb->ccb_h,
387 sim_links.sle);
388 ccb->ccb_h.status = CAM_REQ_INPROG;
389 if ((ahd->flags & AHD_TQINFIFO_BLOCKED) != 0)
390 ahd_run_tqinfifo(ahd, /*paused*/FALSE);
391 ahd_unlock(ahd, &s);
392 break;
393 }
394
395 /*
396 * The target_id represents the target we attempt to
397 * select. In target mode, this is the initiator of
398 * the original command.
399 */
400 our_id = target_id;
401 target_id = ccb->csio.init_id;
402 /* FALLTHROUGH */
403 }
404#endif
405 case XPT_SCSI_IO: /* Execute the requested I/O operation */
406 case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */
407 {
408 struct scb *scb;
409 struct hardware_scb *hscb;
410 struct ahd_initiator_tinfo *tinfo;
411 struct ahd_tmode_tstate *tstate;
412 u_int col_idx;
413
414 if ((ahd->flags & AHD_INITIATORROLE) == 0
415 && (ccb->ccb_h.func_code == XPT_SCSI_IO
416 || ccb->ccb_h.func_code == XPT_RESET_DEV)) {
417 ccb->ccb_h.status = CAM_PROVIDE_FAIL;
418 xpt_done(ccb);
419 return;
420 }
421
422 /*
423 * get an scb to use.
424 */
425 ahd_lock(ahd, &s);
426 tinfo = ahd_fetch_transinfo(ahd, 'A', our_id,
427 target_id, &tstate);
428 if ((ccb->ccb_h.flags & CAM_TAG_ACTION_VALID) == 0
429 || (tinfo->curr.ppr_options & MSG_EXT_PPR_IU_REQ) != 0
430 || ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) {
431 col_idx = AHD_NEVER_COL_IDX;
432 } else {
433 col_idx = AHD_BUILD_COL_IDX(target_id,
434 ccb->ccb_h.target_lun);
435 }
436 if ((scb = ahd_get_scb(ahd, col_idx)) == NULL) {
437
438 xpt_freeze_simq(sim, /*count*/1);
439 ahd->flags |= AHD_RESOURCE_SHORTAGE;
440 ahd_unlock(ahd, &s);
441 ccb->ccb_h.status = CAM_REQUEUE_REQ;
442 xpt_done(ccb);
443 return;
444 }
445 ahd_unlock(ahd, &s);
446
447 hscb = scb->hscb;
448
449 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_SUBTRACE,
450 ("start scb(%p)\n", scb));
451 scb->io_ctx = ccb;
452 /*
453 * So we can find the SCB when an abort is requested
454 */
455 ccb->ccb_h.ccb_scb_ptr = scb;
456
457 /*
458 * Put all the arguments for the xfer in the scb
459 */
460 hscb->control = 0;
461 hscb->scsiid = BUILD_SCSIID(ahd, sim, target_id, our_id);
462 hscb->lun = ccb->ccb_h.target_lun;
463 if (ccb->ccb_h.func_code == XPT_RESET_DEV) {
464 hscb->cdb_len = 0;
465 scb->flags |= SCB_DEVICE_RESET;
466 hscb->control |= MK_MESSAGE;
467 hscb->task_management = SIU_TASKMGMT_LUN_RESET;
468 ahd_execute_scb(scb, NULL, 0, 0);
469 } else {
470#ifdef AHD_TARGET_MODE
471 if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) {
472 struct target_data *tdata;
473
474 tdata = &hscb->shared_data.tdata;
475 if (ahd->pending_device == lstate)
476 scb->flags |= SCB_TARGET_IMMEDIATE;
477 hscb->control |= TARGET_SCB;
478 tdata->target_phases = 0;
479 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) != 0) {
480 tdata->target_phases |= SPHASE_PENDING;
481 tdata->scsi_status =
482 ccb->csio.scsi_status;
483 }
484 if (ccb->ccb_h.flags & CAM_DIS_DISCONNECT)
485 tdata->target_phases |= NO_DISCONNECT;
486
487 tdata->initiator_tag =
488 ahd_htole16(ccb->csio.tag_id);
489 }
490#endif
491 hscb->task_management = 0;
492 if (ccb->ccb_h.flags & CAM_TAG_ACTION_VALID)
493 hscb->control |= ccb->csio.tag_action;
494
495 ahd_setup_data(ahd, sim, &ccb->csio, scb);
496 }
497 break;
498 }
499#ifdef AHD_TARGET_MODE
500 case XPT_NOTIFY_ACK:
501 case XPT_IMMED_NOTIFY:
502 {
503 struct ahd_tmode_tstate *tstate;
504 struct ahd_tmode_lstate *lstate;
505 cam_status status;
506
507 status = ahd_find_tmode_devs(ahd, sim, ccb, &tstate,
508 &lstate, TRUE);
509
510 if (status != CAM_REQ_CMP) {
511 ccb->ccb_h.status = status;
512 xpt_done(ccb);
513 break;
514 }
515 SLIST_INSERT_HEAD(&lstate->immed_notifies, &ccb->ccb_h,
516 sim_links.sle);
517 ccb->ccb_h.status = CAM_REQ_INPROG;
518 ahd_send_lstate_events(ahd, lstate);
519 break;
520 }
521 case XPT_EN_LUN: /* Enable LUN as a target */
522 ahd_handle_en_lun(ahd, sim, ccb);
523 xpt_done(ccb);
524 break;
525#endif
526 case XPT_ABORT: /* Abort the specified CCB */
527 {
528 ahd_abort_ccb(ahd, sim, ccb);
529 break;
530 }
531 case XPT_SET_TRAN_SETTINGS:
532 {
533 ahd_lock(ahd, &s);
534 ahd_set_tran_settings(ahd, SIM_SCSI_ID(ahd, sim),
535 SIM_CHANNEL(ahd, sim), &ccb->cts);
536 ahd_unlock(ahd, &s);
537 xpt_done(ccb);
538 break;
539 }
540 case XPT_GET_TRAN_SETTINGS:
541 /* Get default/user set transfer settings for the target */
542 {
543 ahd_lock(ahd, &s);
544 ahd_get_tran_settings(ahd, SIM_SCSI_ID(ahd, sim),
545 SIM_CHANNEL(ahd, sim), &ccb->cts);
546 ahd_unlock(ahd, &s);
547 xpt_done(ccb);
548 break;
549 }
550 case XPT_CALC_GEOMETRY:
551 {
552 aic_calc_geometry(&ccb->ccg, ahd->flags & AHD_EXTENDED_TRANS_A);
553 xpt_done(ccb);
554 break;
555 }
556 case XPT_RESET_BUS: /* Reset the specified SCSI bus */
557 {
558 int found;
559
560 ahd_lock(ahd, &s);
561 found = ahd_reset_channel(ahd, SIM_CHANNEL(ahd, sim),
562 /*initiate reset*/TRUE);
563 ahd_unlock(ahd, &s);
564 if (bootverbose) {
565 xpt_print_path(SIM_PATH(ahd, sim));
566 printf("SCSI bus reset delivered. "
567 "%d SCBs aborted.\n", found);
568 }
569 ccb->ccb_h.status = CAM_REQ_CMP;
570 xpt_done(ccb);
571 break;
572 }
573 case XPT_TERM_IO: /* Terminate the I/O process */
574 /* XXX Implement */
575 ccb->ccb_h.status = CAM_REQ_INVALID;
576 xpt_done(ccb);
577 break;
578 case XPT_PATH_INQ: /* Path routing inquiry */
579 {
580 struct ccb_pathinq *cpi = &ccb->cpi;
581
582 cpi->version_num = 1; /* XXX??? */
583 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE;
584 if ((ahd->features & AHD_WIDE) != 0)
585 cpi->hba_inquiry |= PI_WIDE_16;
586 if ((ahd->features & AHD_TARGETMODE) != 0) {
587 cpi->target_sprt = PIT_PROCESSOR
588 | PIT_DISCONNECT
589 | PIT_TERM_IO;
590 } else {
591 cpi->target_sprt = 0;
592 }
593 cpi->hba_misc = 0;
594 cpi->hba_eng_cnt = 0;
595 cpi->max_target = (ahd->features & AHD_WIDE) ? 15 : 7;
596 cpi->max_lun = AHD_NUM_LUNS_NONPKT - 1;
597 cpi->initiator_id = ahd->our_id;
598 if ((ahd->flags & AHD_RESET_BUS_A) == 0) {
599 cpi->hba_misc |= PIM_NOBUSRESET;
600 }
601 cpi->bus_id = cam_sim_bus(sim);
602 cpi->base_transfer_speed = 3300;
603 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
604 strncpy(cpi->hba_vid, "Adaptec", HBA_IDLEN);
605 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
606 cpi->unit_number = cam_sim_unit(sim);
607 cpi->protocol = PROTO_SCSI;
608 cpi->protocol_version = SCSI_REV_2;
609 cpi->transport = XPORT_SPI;
610 cpi->transport_version = 2;
611 cpi->xport_specific.spi.ppr_options = SID_SPI_CLOCK_ST;
612 cpi->transport_version = 4;
613 cpi->xport_specific.spi.ppr_options = SID_SPI_CLOCK_DT_ST;
614 cpi->ccb_h.status = CAM_REQ_CMP;
615 xpt_done(ccb);
616 break;
617 }
618 default:
619 ccb->ccb_h.status = CAM_PROVIDE_FAIL;
620 xpt_done(ccb);
621 break;
622 }
623}
624
625
626static void
627ahd_set_tran_settings(struct ahd_softc *ahd, int our_id, char channel,
628 struct ccb_trans_settings *cts)
629{
630 struct ahd_devinfo devinfo;
631 struct ccb_trans_settings_scsi *scsi;
632 struct ccb_trans_settings_spi *spi;
633 struct ahd_initiator_tinfo *tinfo;
634 struct ahd_tmode_tstate *tstate;
635 uint16_t *discenable;
636 uint16_t *tagenable;
637 u_int update_type;
638
639 scsi = &cts->proto_specific.scsi;
640 spi = &cts->xport_specific.spi;
641 ahd_compile_devinfo(&devinfo, SIM_SCSI_ID(ahd, sim),
642 cts->ccb_h.target_id,
643 cts->ccb_h.target_lun,
644 SIM_CHANNEL(ahd, sim),
645 ROLE_UNKNOWN);
646 tinfo = ahd_fetch_transinfo(ahd, devinfo.channel,
647 devinfo.our_scsiid,
648 devinfo.target, &tstate);
649 update_type = 0;
650 if (cts->type == CTS_TYPE_CURRENT_SETTINGS) {
651 update_type |= AHD_TRANS_GOAL;
652 discenable = &tstate->discenable;
653 tagenable = &tstate->tagenable;
654 tinfo->curr.protocol_version = cts->protocol_version;
655 tinfo->curr.transport_version = cts->transport_version;
656 tinfo->goal.protocol_version = cts->protocol_version;
657 tinfo->goal.transport_version = cts->transport_version;
658 } else if (cts->type == CTS_TYPE_USER_SETTINGS) {
659 update_type |= AHD_TRANS_USER;
660 discenable = &ahd->user_discenable;
661 tagenable = &ahd->user_tagenable;
662 tinfo->user.protocol_version = cts->protocol_version;
663 tinfo->user.transport_version = cts->transport_version;
664 } else {
665 cts->ccb_h.status = CAM_REQ_INVALID;
666 return;
667 }
668
669 if ((spi->valid & CTS_SPI_VALID_DISC) != 0) {
670 if ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0)
671 *discenable |= devinfo.target_mask;
672 else
673 *discenable &= ~devinfo.target_mask;
674 }
675
676 if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) {
677 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0)
678 *tagenable |= devinfo.target_mask;
679 else
680 *tagenable &= ~devinfo.target_mask;
681 }
682
683 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) {
684 ahd_validate_width(ahd, /*tinfo limit*/NULL,
685 &spi->bus_width, ROLE_UNKNOWN);
686 ahd_set_width(ahd, &devinfo, spi->bus_width,
687 update_type, /*paused*/FALSE);
688 }
689
690 if ((spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0) {
691 if (update_type == AHD_TRANS_USER)
692 spi->ppr_options = tinfo->user.ppr_options;
693 else
694 spi->ppr_options = tinfo->goal.ppr_options;
695 }
696
697 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0) {
698 if (update_type == AHD_TRANS_USER)
699 spi->sync_offset = tinfo->user.offset;
700 else
701 spi->sync_offset = tinfo->goal.offset;
702 }
703
704 if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) {
705 if (update_type == AHD_TRANS_USER)
706 spi->sync_period = tinfo->user.period;
707 else
708 spi->sync_period = tinfo->goal.period;
709 }
710
711 if (((spi->valid & CTS_SPI_VALID_SYNC_RATE) != 0)
712 || ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) != 0)) {
713 u_int maxsync;
714
715 maxsync = AHD_SYNCRATE_MAX;
716
717 if (spi->bus_width != MSG_EXT_WDTR_BUS_16_BIT)
718 spi->ppr_options &= ~MSG_EXT_PPR_DT_REQ;
719
720 if ((*discenable & devinfo.target_mask) == 0)
721 spi->ppr_options &= ~MSG_EXT_PPR_IU_REQ;
722
723 ahd_find_syncrate(ahd, &spi->sync_period,
724 &spi->ppr_options, maxsync);
725 ahd_validate_offset(ahd, /*tinfo limit*/NULL,
726 spi->sync_period, &spi->sync_offset,
727 spi->bus_width, ROLE_UNKNOWN);
728
729 /* We use a period of 0 to represent async */
730 if (spi->sync_offset == 0) {
731 spi->sync_period = 0;
732 spi->ppr_options = 0;
733 }
734
735 ahd_set_syncrate(ahd, &devinfo, spi->sync_period,
736 spi->sync_offset, spi->ppr_options,
737 update_type, /*paused*/FALSE);
738 }
739 cts->ccb_h.status = CAM_REQ_CMP;
740}
741
742static void
743ahd_get_tran_settings(struct ahd_softc *ahd, int our_id, char channel,
744 struct ccb_trans_settings *cts)
745{
746 struct ahd_devinfo devinfo;
747 struct ccb_trans_settings_scsi *scsi;
748 struct ccb_trans_settings_spi *spi;
749 struct ahd_initiator_tinfo *targ_info;
750 struct ahd_tmode_tstate *tstate;
751 struct ahd_transinfo *tinfo;
752
753 scsi = &cts->proto_specific.scsi;
754 spi = &cts->xport_specific.spi;
755 ahd_compile_devinfo(&devinfo, our_id,
756 cts->ccb_h.target_id,
757 cts->ccb_h.target_lun,
758 channel, ROLE_UNKNOWN);
759 targ_info = ahd_fetch_transinfo(ahd, devinfo.channel,
760 devinfo.our_scsiid,
761 devinfo.target, &tstate);
762
763 if (cts->type == CTS_TYPE_CURRENT_SETTINGS)
764 tinfo = &targ_info->curr;
765 else
766 tinfo = &targ_info->user;
767
768 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB;
769 spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB;
770 if (cts->type == CTS_TYPE_USER_SETTINGS) {
771 if ((ahd->user_discenable & devinfo.target_mask) != 0)
772 spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
773
774 if ((ahd->user_tagenable & devinfo.target_mask) != 0)
775 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
776 } else {
777 if ((tstate->discenable & devinfo.target_mask) != 0)
778 spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
779
780 if ((tstate->tagenable & devinfo.target_mask) != 0)
781 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
782 }
783 cts->protocol_version = tinfo->protocol_version;
784 cts->transport_version = tinfo->transport_version;
785
786 spi->sync_period = tinfo->period;
787 spi->sync_offset = tinfo->offset;
788 spi->bus_width = tinfo->width;
789 spi->ppr_options = tinfo->ppr_options;
790
791 cts->protocol = PROTO_SCSI;
792 cts->transport = XPORT_SPI;
793 spi->valid = CTS_SPI_VALID_SYNC_RATE
794 | CTS_SPI_VALID_SYNC_OFFSET
795 | CTS_SPI_VALID_BUS_WIDTH
796 | CTS_SPI_VALID_PPR_OPTIONS;
797
798 if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) {
799 scsi->valid = CTS_SCSI_VALID_TQ;
800 spi->valid |= CTS_SPI_VALID_DISC;
801 } else {
802 scsi->valid = 0;
803 }
804
805 cts->ccb_h.status = CAM_REQ_CMP;
806}
807
808static void
809ahd_async(void *callback_arg, uint32_t code, struct cam_path *path, void *arg)
810{
811 struct ahd_softc *ahd;
812 struct cam_sim *sim;
813
814 sim = (struct cam_sim *)callback_arg;
815 ahd = (struct ahd_softc *)cam_sim_softc(sim);
816 switch (code) {
817 case AC_LOST_DEVICE:
818 {
819 struct ahd_devinfo devinfo;
820 long s;
821
822 ahd_compile_devinfo(&devinfo, SIM_SCSI_ID(ahd, sim),
823 xpt_path_target_id(path),
824 xpt_path_lun_id(path),
825 SIM_CHANNEL(ahd, sim),
826 ROLE_UNKNOWN);
827
828 /*
829 * Revert to async/narrow transfers
830 * for the next device.
831 */
832 ahd_lock(ahd, &s);
833 ahd_set_width(ahd, &devinfo, MSG_EXT_WDTR_BUS_8_BIT,
834 AHD_TRANS_GOAL|AHD_TRANS_CUR, /*paused*/FALSE);
835 ahd_set_syncrate(ahd, &devinfo, /*period*/0, /*offset*/0,
836 /*ppr_options*/0, AHD_TRANS_GOAL|AHD_TRANS_CUR,
837 /*paused*/FALSE);
838 ahd_unlock(ahd, &s);
839 break;
840 }
841 default:
842 break;
843 }
844}
845
846static void
847ahd_execute_scb(void *arg, bus_dma_segment_t *dm_segs, int nsegments,
848 int error)
849{
850 struct scb *scb;
851 union ccb *ccb;
852 struct ahd_softc *ahd;
853 struct ahd_initiator_tinfo *tinfo;
854 struct ahd_tmode_tstate *tstate;
855 u_int mask;
856 u_long s;
857
858 scb = (struct scb *)arg;
859 ccb = scb->io_ctx;
860 ahd = scb->ahd_softc;
861
862 if (error != 0) {
863 if (error == EFBIG)
864 aic_set_transaction_status(scb, CAM_REQ_TOO_BIG);
865 else
866 aic_set_transaction_status(scb, CAM_REQ_CMP_ERR);
867 if (nsegments != 0)
868 bus_dmamap_unload(ahd->buffer_dmat, scb->dmamap);
869 ahd_lock(ahd, &s);
870 ahd_free_scb(ahd, scb);
871 ahd_unlock(ahd, &s);
872 xpt_done(ccb);
873 return;
874 }
875 scb->sg_count = 0;
876 if (nsegments != 0) {
877 void *sg;
878 bus_dmasync_op_t op;
879 u_int i;
880
881 /* Copy the segments into our SG list */
882 for (i = nsegments, sg = scb->sg_list; i > 0; i--) {
883
884 sg = ahd_sg_setup(ahd, scb, sg, dm_segs->ds_addr,
885 dm_segs->ds_len,
886 /*last*/i == 1);
887 dm_segs++;
888 }
889
890 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)
891 op = BUS_DMASYNC_PREREAD;
892 else
893 op = BUS_DMASYNC_PREWRITE;
894
895 bus_dmamap_sync(ahd->buffer_dmat, scb->dmamap, op);
896
897 if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) {
898 struct target_data *tdata;
899
900 tdata = &scb->hscb->shared_data.tdata;
901 tdata->target_phases |= DPHASE_PENDING;
902 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT)
903 tdata->data_phase = P_DATAOUT;
904 else
905 tdata->data_phase = P_DATAIN;
906 }
907 }
908
909 ahd_lock(ahd, &s);
910
911 /*
912 * Last time we need to check if this SCB needs to
913 * be aborted.
914 */
915 if (aic_get_transaction_status(scb) != CAM_REQ_INPROG) {
916 if (nsegments != 0)
917 bus_dmamap_unload(ahd->buffer_dmat,
918 scb->dmamap);
919 ahd_free_scb(ahd, scb);
920 ahd_unlock(ahd, &s);
921 xpt_done(ccb);
922 return;
923 }
924
925 tinfo = ahd_fetch_transinfo(ahd, SCSIID_CHANNEL(ahd, scb->hscb->scsiid),
926 SCSIID_OUR_ID(scb->hscb->scsiid),
927 SCSIID_TARGET(ahd, scb->hscb->scsiid),
928 &tstate);
929
930 mask = SCB_GET_TARGET_MASK(ahd, scb);
931
932 if ((tstate->discenable & mask) != 0
933 && (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) == 0)
934 scb->hscb->control |= DISCENB;
935
936 if ((tinfo->curr.ppr_options & MSG_EXT_PPR_IU_REQ) != 0) {
937 scb->flags |= SCB_PACKETIZED;
938 if (scb->hscb->task_management != 0)
939 scb->hscb->control &= ~MK_MESSAGE;
940 }
941
942 if ((ccb->ccb_h.flags & CAM_NEGOTIATE) != 0
943 && (tinfo->goal.width != 0
944 || tinfo->goal.period != 0
945 || tinfo->goal.ppr_options != 0)) {
946 scb->flags |= SCB_NEGOTIATE;
947 scb->hscb->control |= MK_MESSAGE;
948 } else if ((tstate->auto_negotiate & mask) != 0) {
949 scb->flags |= SCB_AUTO_NEGOTIATE;
950 scb->hscb->control |= MK_MESSAGE;
951 }
952
953 LIST_INSERT_HEAD(&ahd->pending_scbs, scb, pending_links);
954
955 ccb->ccb_h.status |= CAM_SIM_QUEUED;
956
957 aic_scb_timer_start(scb);
958
959 if ((scb->flags & SCB_TARGET_IMMEDIATE) != 0) {
960 /* Define a mapping from our tag to the SCB. */
961 ahd->scb_data.scbindex[SCB_GET_TAG(scb)] = scb;
962 ahd_pause(ahd);
963 ahd_set_scbptr(ahd, SCB_GET_TAG(scb));
964 ahd_outb(ahd, RETURN_1, CONT_MSG_LOOP_TARG);
965 ahd_unpause(ahd);
966 } else {
967 ahd_queue_scb(ahd, scb);
968 }
969
970 ahd_unlock(ahd, &s);
971}
972
973static void
974ahd_poll(struct cam_sim *sim)
975{
976 ahd_intr(cam_sim_softc(sim));
977}
978
979static void
980ahd_setup_data(struct ahd_softc *ahd, struct cam_sim *sim,
981 struct ccb_scsiio *csio, struct scb *scb)
982{
983 struct hardware_scb *hscb;
984 struct ccb_hdr *ccb_h;
985
986 hscb = scb->hscb;
987 ccb_h = &csio->ccb_h;
988
989 csio->resid = 0;
990 csio->sense_resid = 0;
991 if (ccb_h->func_code == XPT_SCSI_IO) {
992 hscb->cdb_len = csio->cdb_len;
993 if ((ccb_h->flags & CAM_CDB_POINTER) != 0) {
994
995 if (hscb->cdb_len > MAX_CDB_LEN
996 && (ccb_h->flags & CAM_CDB_PHYS) == 0) {
997 u_long s;
998
999 /*
1000 * Should CAM start to support CDB sizes
1001 * greater than 16 bytes, we could use
1002 * the sense buffer to store the CDB.
1003 */
1004 aic_set_transaction_status(scb,
1005 CAM_REQ_INVALID);
1006 ahd_lock(ahd, &s);
1007 ahd_free_scb(ahd, scb);
1008 ahd_unlock(ahd, &s);
1009 xpt_done((union ccb *)csio);
1010 return;
1011 }
1012 if ((ccb_h->flags & CAM_CDB_PHYS) != 0) {
1013 hscb->shared_data.idata.cdb_from_host.cdbptr =
1014 aic_htole64((uintptr_t)csio->cdb_io.cdb_ptr);
1015 hscb->shared_data.idata.cdb_from_host.cdblen =
1016 csio->cdb_len;
1017 hscb->cdb_len |= SCB_CDB_LEN_PTR;
1018 } else {
1019 memcpy(hscb->shared_data.idata.cdb,
1020 csio->cdb_io.cdb_ptr,
1021 hscb->cdb_len);
1022 }
1023 } else {
1024 if (hscb->cdb_len > MAX_CDB_LEN) {
1025 u_long s;
1026
1027 aic_set_transaction_status(scb,
1028 CAM_REQ_INVALID);
1029 ahd_lock(ahd, &s);
1030 ahd_free_scb(ahd, scb);
1031 ahd_unlock(ahd, &s);
1032 xpt_done((union ccb *)csio);
1033 return;
1034 }
1035 memcpy(hscb->shared_data.idata.cdb,
1036 csio->cdb_io.cdb_bytes, hscb->cdb_len);
1037 }
1038 }
1039
1040 /* Only use S/G if there is a transfer */
1041 if ((ccb_h->flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
1042 if ((ccb_h->flags & CAM_SCATTER_VALID) == 0) {
1043 /* We've been given a pointer to a single buffer */
1044 if ((ccb_h->flags & CAM_DATA_PHYS) == 0) {
1045 int s;
1046 int error;
1047
1048 s = splsoftvm();
1049 error = bus_dmamap_load(ahd->buffer_dmat,
1050 scb->dmamap,
1051 csio->data_ptr,
1052 csio->dxfer_len,
1053 ahd_execute_scb,
1054 scb, /*flags*/0);
1055 if (error == EINPROGRESS) {
1056 /*
1057 * So as to maintain ordering,
1058 * freeze the controller queue
1059 * until our mapping is
1060 * returned.
1061 */
1062 xpt_freeze_simq(sim,
1063 /*count*/1);
1064 scb->io_ctx->ccb_h.status |=
1065 CAM_RELEASE_SIMQ;
1066 }
1067 splx(s);
1068 } else {
1069 struct bus_dma_segment seg;
1070
1071 /* Pointer to physical buffer */
1072 if (csio->dxfer_len > AHD_MAXTRANSFER_SIZE)
1073 panic("ahd_setup_data - Transfer size "
1074 "larger than can device max");
1075
1076 seg.ds_addr =
1077 (bus_addr_t)(vm_offset_t)csio->data_ptr;
1078 seg.ds_len = csio->dxfer_len;
1079 ahd_execute_scb(scb, &seg, 1, 0);
1080 }
1081 } else {
1082 struct bus_dma_segment *segs;
1083
1084 if ((ccb_h->flags & CAM_DATA_PHYS) != 0)
1085 panic("ahd_setup_data - Physical segment "
1086 "pointers unsupported");
1087
1088 if ((ccb_h->flags & CAM_SG_LIST_PHYS) == 0)
1089 panic("ahd_setup_data - Virtual segment "
1090 "addresses unsupported");
1091
1092 /* Just use the segments provided */
1093 segs = (struct bus_dma_segment *)csio->data_ptr;
1094 ahd_execute_scb(scb, segs, csio->sglist_cnt, 0);
1095 }
1096 } else {
1097 ahd_execute_scb(scb, NULL, 0, 0);
1098 }
1099}
1100
1101static void
1102ahd_abort_ccb(struct ahd_softc *ahd, struct cam_sim *sim, union ccb *ccb)
1103{
1104 union ccb *abort_ccb;
1105
1106 abort_ccb = ccb->cab.abort_ccb;
1107 switch (abort_ccb->ccb_h.func_code) {
1108#ifdef AHD_TARGET_MODE
1109 case XPT_ACCEPT_TARGET_IO:
1110 case XPT_IMMED_NOTIFY:
1111 case XPT_CONT_TARGET_IO:
1112 {
1113 struct ahd_tmode_tstate *tstate;
1114 struct ahd_tmode_lstate *lstate;
1115 struct ccb_hdr_slist *list;
1116 cam_status status;
1117
1118 status = ahd_find_tmode_devs(ahd, sim, abort_ccb, &tstate,
1119 &lstate, TRUE);
1120
1121 if (status != CAM_REQ_CMP) {
1122 ccb->ccb_h.status = status;
1123 break;
1124 }
1125
1126 if (abort_ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO)
1127 list = &lstate->accept_tios;
1128 else if (abort_ccb->ccb_h.func_code == XPT_IMMED_NOTIFY)
1129 list = &lstate->immed_notifies;
1130 else
1131 list = NULL;
1132
1133 if (list != NULL) {
1134 struct ccb_hdr *curelm;
1135 int found;
1136
1137 curelm = SLIST_FIRST(list);
1138 found = 0;
1139 if (curelm == &abort_ccb->ccb_h) {
1140 found = 1;
1141 SLIST_REMOVE_HEAD(list, sim_links.sle);
1142 } else {
1143 while(curelm != NULL) {
1144 struct ccb_hdr *nextelm;
1145
1146 nextelm =
1147 SLIST_NEXT(curelm, sim_links.sle);
1148
1149 if (nextelm == &abort_ccb->ccb_h) {
1150 found = 1;
1151 SLIST_NEXT(curelm,
1152 sim_links.sle) =
1153 SLIST_NEXT(nextelm,
1154 sim_links.sle);
1155 break;
1156 }
1157 curelm = nextelm;
1158 }
1159 }
1160
1161 if (found) {
1162 abort_ccb->ccb_h.status = CAM_REQ_ABORTED;
1163 xpt_done(abort_ccb);
1164 ccb->ccb_h.status = CAM_REQ_CMP;
1165 } else {
1166 xpt_print_path(abort_ccb->ccb_h.path);
1167 printf("Not found\n");
1168 ccb->ccb_h.status = CAM_PATH_INVALID;
1169 }
1170 break;
1171 }
1172 /* FALLTHROUGH */
1173 }
1174#endif
1175 case XPT_SCSI_IO:
1176 /* XXX Fully implement the hard ones */
1177 ccb->ccb_h.status = CAM_UA_ABORT;
1178 break;
1179 default:
1180 ccb->ccb_h.status = CAM_REQ_INVALID;
1181 break;
1182 }
1183 xpt_done(ccb);
1184}
1185
1186void
1187ahd_send_async(struct ahd_softc *ahd, char channel, u_int target,
1188 u_int lun, ac_code code, void *opt_arg)
1189{
1190 struct ccb_trans_settings cts;
1191 struct cam_path *path;
1192 void *arg;
1193 int error;
1194
1195 arg = NULL;
1196 error = ahd_create_path(ahd, channel, target, lun, &path);
1197
1198 if (error != CAM_REQ_CMP)
1199 return;
1200
1201 switch (code) {
1202 case AC_TRANSFER_NEG:
1203 {
1204 struct ccb_trans_settings_scsi *scsi;
1205
1206 cts.type = CTS_TYPE_CURRENT_SETTINGS;
1207 scsi = &cts.proto_specific.scsi;
1208 cts.ccb_h.path = path;
1209 cts.ccb_h.target_id = target;
1210 cts.ccb_h.target_lun = lun;
1211 ahd_get_tran_settings(ahd, ahd->our_id, channel, &cts);
1212 arg = &cts;
1213 scsi->valid &= ~CTS_SCSI_VALID_TQ;
1214 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB;
1215 if (opt_arg == NULL)
1216 break;
1217 if (*((ahd_queue_alg *)opt_arg) == AHD_QUEUE_TAGGED)
1218 scsi->flags |= ~CTS_SCSI_FLAGS_TAG_ENB;
1219 scsi->valid |= CTS_SCSI_VALID_TQ;
1220 break;
1221 }
1222 case AC_SENT_BDR:
1223 case AC_BUS_RESET:
1224 break;
1225 default:
1226 panic("ahd_send_async: Unexpected async event");
1227 }
1228 xpt_async(code, path, arg);
1229 xpt_free_path(path);
1230}
1231
1232void
1233ahd_platform_set_tags(struct ahd_softc *ahd,
1234 struct ahd_devinfo *devinfo, int enable)
1235{
1236}
1237
1238int
1239ahd_platform_alloc(struct ahd_softc *ahd, void *platform_arg)
1240{
1241 ahd->platform_data = malloc(sizeof(struct ahd_platform_data), M_DEVBUF,
1242 M_NOWAIT | M_ZERO);
1243 if (ahd->platform_data == NULL)
1244 return (ENOMEM);
1245 return (0);
1246}
1247
1248void
1249ahd_platform_free(struct ahd_softc *ahd)
1250{
1251 struct ahd_platform_data *pdata;
1252
1253 pdata = ahd->platform_data;
1254 if (pdata != NULL) {
1255 if (pdata->regs[0] != NULL)
1256 bus_release_resource(ahd->dev_softc,
1257 pdata->regs_res_type[0],
1258 pdata->regs_res_id[0],
1259 pdata->regs[0]);
1260
1261 if (pdata->regs[1] != NULL)
1262 bus_release_resource(ahd->dev_softc,
1263 pdata->regs_res_type[1],
1264 pdata->regs_res_id[1],
1265 pdata->regs[1]);
1266
1267 if (pdata->irq != NULL)
1268 bus_release_resource(ahd->dev_softc,
1269 pdata->irq_res_type,
1270 0, pdata->irq);
1271
1272 if (pdata->sim != NULL) {
1273 xpt_async(AC_LOST_DEVICE, pdata->path, NULL);
1274 xpt_free_path(pdata->path);
1275 xpt_bus_deregister(cam_sim_path(pdata->sim));
1276 cam_sim_free(pdata->sim, /*free_devq*/TRUE);
1277 }
1278 if (pdata->eh != NULL)
1279 EVENTHANDLER_DEREGISTER(shutdown_final, pdata->eh);
1280 free(ahd->platform_data, M_DEVBUF);
1281 }
1282}
1283
1284int
1285ahd_softc_comp(struct ahd_softc *lahd, struct ahd_softc *rahd)
1286{
1287 /* We don't sort softcs under FreeBSD so report equal always */
1288 return (0);
1289}
1290
1291int
1292ahd_detach(device_t dev)
1293{
1294 struct ahd_softc *ahd;
1295 u_long l;
1296 u_long s;
1297
1298 ahd_list_lock(&l);
1299 device_printf(dev, "detaching device\n");
1300 ahd = device_get_softc(dev);
1301 ahd = ahd_find_softc(ahd);
1302 if (ahd == NULL) {
1303 device_printf(dev, "aic7xxx already detached\n");
1304 ahd_list_unlock(&l);
1305 return (ENOENT);
1306 }
1307 TAILQ_REMOVE(&ahd_tailq, ahd, links);
1308 ahd_list_unlock(&l);
1309 ahd_lock(ahd, &s);
1310 ahd_intr_enable(ahd, FALSE);
1311 bus_teardown_intr(dev, ahd->platform_data->irq, ahd->platform_data->ih);
1312 ahd_unlock(ahd, &s);
1313 ahd_free(ahd);
1314 return (0);
1315}
1316
1317#if 0
1318static void
1319ahd_dump_targcmd(struct target_cmd *cmd)
1320{
1321 uint8_t *byte;
1322 uint8_t *last_byte;
1323 int i;
1324
1325 byte = &cmd->initiator_channel;
1326 /* Debugging info for received commands */
1327 last_byte = &cmd[1].initiator_channel;
1328
1329 i = 0;
1330 while (byte < last_byte) {
1331 if (i == 0)
1332 printf("\t");
1333 printf("%#x", *byte++);
1334 i++;
1335 if (i == 8) {
1336 printf("\n");
1337 i = 0;
1338 } else {
1339 printf(", ");
1340 }
1341 }
1342}
1343#endif
1344
1345static int
1346ahd_modevent(module_t mod, int type, void *data)
1347{
1348 /* XXX Deal with busy status on unload. */
1349 /* XXX Deal with unknown events */
1350 return 0;
1351}
1352
1353static moduledata_t ahd_mod = {
1354 "ahd",
1355 ahd_modevent,
1356 NULL
1357};
1358
1359/********************************** DDB Hooks *********************************/
1360#ifdef DDB
1361static struct ahd_softc *ahd_ddb_softc;
1362static int ahd_ddb_paused;
1363static int ahd_ddb_paused_on_entry;
1364DB_COMMAND(ahd_sunit, ahd_ddb_sunit)
1365{
1366 struct ahd_softc *list_ahd;
1367
1368 ahd_ddb_softc = NULL;
1369 TAILQ_FOREACH(list_ahd, &ahd_tailq, links) {
1370 if (list_ahd->unit == addr)
1371 ahd_ddb_softc = list_ahd;
1372 }
1373 if (ahd_ddb_softc == NULL)
1374 db_error("No matching softc found!\n");
1375}
1376
1377DB_COMMAND(ahd_pause, ahd_ddb_pause)
1378{
1379 if (ahd_ddb_softc == NULL) {
1380 db_error("Must set unit with ahd_sunit first!\n");
1381 return;
1382 }
1383 if (ahd_ddb_paused == 0) {
1384 ahd_ddb_paused++;
1385 if (ahd_is_paused(ahd_ddb_softc)) {
1386 ahd_ddb_paused_on_entry++;
1387 return;
1388 }
1389 ahd_pause(ahd_ddb_softc);
1390 }
1391}
1392
1393DB_COMMAND(ahd_unpause, ahd_ddb_unpause)
1394{
1395 if (ahd_ddb_softc == NULL) {
1396 db_error("Must set unit with ahd_sunit first!\n");
1397 return;
1398 }
1399 if (ahd_ddb_paused != 0) {
1400 ahd_ddb_paused = 0;
1401 if (ahd_ddb_paused_on_entry)
1402 return;
1403 ahd_unpause(ahd_ddb_softc);
1404 } else if (ahd_ddb_paused_on_entry != 0) {
1405 /* Two unpauses to clear a paused on entry. */
1406 ahd_ddb_paused_on_entry = 0;
1407 ahd_unpause(ahd_ddb_softc);
1408 }
1409}
1410
1411DB_COMMAND(ahd_in, ahd_ddb_in)
1412{
1413 int c;
1414 int size;
1415
1416 if (ahd_ddb_softc == NULL) {
1417 db_error("Must set unit with ahd_sunit first!\n");
1418 return;
1419 }
1420 if (have_addr == 0)
1421 return;
1422
1423 size = 1;
1424 while ((c = *modif++) != '\0') {
1425 switch (c) {
1426 case 'b':
1427 size = 1;
1428 break;
1429 case 'w':
1430 size = 2;
1431 break;
1432 case 'l':
1433 size = 4;
1434 break;
1435 }
1436 }
1437
1438 if (count <= 0)
1439 count = 1;
1440 while (--count >= 0) {
1441 db_printf("%04lx (M)%x: \t", (u_long)addr,
1442 ahd_inb(ahd_ddb_softc, MODE_PTR));
1443 switch (size) {
1444 case 1:
1445 db_printf("%02x\n", ahd_inb(ahd_ddb_softc, addr));
1446 break;
1447 case 2:
1448 db_printf("%04x\n", ahd_inw(ahd_ddb_softc, addr));
1449 break;
1450 case 4:
1451 db_printf("%08x\n", ahd_inl(ahd_ddb_softc, addr));
1452 break;
1453 }
1454 }
1455}
1456
1457DB_FUNC(ahd_out, ahd_ddb_out, db_cmd_set, CS_MORE, NULL)
1458{
1459 db_expr_t old_value;
1460 db_expr_t new_value;
1461 int size;
1462
1463 if (ahd_ddb_softc == NULL) {
1464 db_error("Must set unit with ahd_sunit first!\n");
1465 return;
1466 }
1467
1468 switch (modif[0]) {
1469 case '\0':
1470 case 'b':
1471 size = 1;
1472 break;
1473 case 'h':
1474 size = 2;
1475 break;
1476 case 'l':
1477 size = 4;
1478 break;
1479 default:
1480 db_error("Unknown size\n");
1481 return;
1482 }
1483
1484 while (db_expression(&new_value)) {
1485 switch (size) {
1486 default:
1487 case 1:
1488 old_value = ahd_inb(ahd_ddb_softc, addr);
1489 ahd_outb(ahd_ddb_softc, addr, new_value);
1490 break;
1491 case 2:
1492 old_value = ahd_inw(ahd_ddb_softc, addr);
1493 ahd_outw(ahd_ddb_softc, addr, new_value);
1494 break;
1495 case 4:
1496 old_value = ahd_inl(ahd_ddb_softc, addr);
1497 ahd_outl(ahd_ddb_softc, addr, new_value);
1498 break;
1499 }
1500 db_printf("%04lx (M)%x: \t0x%lx\t=\t0x%lx",
1501 (u_long)addr, ahd_inb(ahd_ddb_softc, MODE_PTR),
1502 (u_long)old_value, (u_long)new_value);
1503 addr += size;
1504 }
1505 db_skip_to_eol();
1506}
1507
1508DB_COMMAND(ahd_dump, ahd_ddb_dump)
1509{
1510 if (ahd_ddb_softc == NULL) {
1511 db_error("Must set unit with ahd_sunit first!\n");
1512 return;
1513 }
1514 ahd_dump_card_state(ahd_ddb_softc);
1515}
1516
1517#endif
1518
1519
1520DECLARE_MODULE(ahd, ahd_mod, SI_SUB_DRIVERS, SI_ORDER_MIDDLE);
1521MODULE_DEPEND(ahd, cam, 1, 1, 1);
1522MODULE_VERSION(ahd, 1);
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