2 * Bus independent FreeBSD shim for the aic79xx based Adaptec SCSI controllers
4 * Copyright (c) 1994-2002, 2004 Justin T. Gibbs.
5 * Copyright (c) 2001-2002 Adaptec Inc.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions, and the following disclaimer,
13 * without modification.
14 * 2. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
17 * Alternatively, this software may be distributed under the terms of the
18 * GNU Public License ("GPL").
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
24 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * $Id: //depot/aic7xxx/freebsd/dev/aic7xxx/aic79xx_osm.c#35 $
34 * $FreeBSD: src/sys/dev/aic7xxx/aic79xx_osm.c,v 1.19 2004/08/17 00:14:30 gibbs Exp $
35 * $DragonFly: src/sys/dev/disk/aic7xxx/aic79xx_osm.c,v 1.17 2007/07/06 04:56:22 pavalos Exp $
38 #include "aic79xx_osm.h"
39 #include "aic79xx_inline.h"
41 #include <sys/kthread.h>
48 #ifndef AHD_TMODE_ENABLE
49 #define AHD_TMODE_ENABLE 0
52 #include "aic_osm_lib.c"
54 #define ccb_scb_ptr spriv_ptr0
57 static void ahd_dump_targcmd(struct target_cmd *cmd);
59 static int ahd_modevent(module_t mod, int type, void *data);
60 static void ahd_action(struct cam_sim *sim, union ccb *ccb);
61 static void ahd_set_tran_settings(struct ahd_softc *ahd,
62 int our_id, char channel,
63 struct ccb_trans_settings *cts);
64 static void ahd_get_tran_settings(struct ahd_softc *ahd,
65 int our_id, char channel,
66 struct ccb_trans_settings *cts);
67 static void ahd_async(void *callback_arg, uint32_t code,
68 struct cam_path *path, void *arg);
69 static void ahd_execute_scb(void *arg, bus_dma_segment_t *dm_segs,
70 int nsegments, int error);
71 static void ahd_poll(struct cam_sim *sim);
72 static void ahd_setup_data(struct ahd_softc *ahd, struct cam_sim *sim,
73 struct ccb_scsiio *csio, struct scb *scb);
74 static void ahd_abort_ccb(struct ahd_softc *ahd, struct cam_sim *sim,
76 static int ahd_create_path(struct ahd_softc *ahd,
77 char channel, u_int target, u_int lun,
78 struct cam_path **path);
81 ahd_create_path(struct ahd_softc *ahd, char channel, u_int target,
82 u_int lun, struct cam_path **path)
86 path_id = cam_sim_path(ahd->platform_data->sim);
87 return (xpt_create_path(path, /*periph*/NULL,
88 path_id, target, lun));
92 ahd_map_int(struct ahd_softc *ahd)
96 /* Hook up our interrupt handler */
97 error = bus_setup_intr(ahd->dev_softc, ahd->platform_data->irq,
98 0, ahd_platform_intr, ahd,
99 &ahd->platform_data->ih, NULL);
101 device_printf(ahd->dev_softc, "bus_setup_intr() failed: %d\n",
107 * Attach all the sub-devices we can find
110 ahd_attach(struct ahd_softc *ahd)
113 struct ccb_setasync csa;
115 struct cam_path *path;
122 * Create a thread to perform all recovery.
124 if (ahd_spawn_recovery_thread(ahd) != 0)
127 ahd_controller_info(ahd, ahd_info);
128 kprintf("%s\n", ahd_info);
132 * Construct our SIM entry
134 sim = cam_sim_alloc(ahd_action, ahd_poll, "ahd", ahd,
135 device_get_unit(ahd->dev_softc),
136 1, AHD_MAX_QUEUE, NULL);
140 if (xpt_bus_register(sim, /*bus_id*/0) != CAM_SUCCESS) {
146 if (xpt_create_path(&path, /*periph*/NULL,
147 cam_sim_path(sim), CAM_TARGET_WILDCARD,
148 CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
149 xpt_bus_deregister(cam_sim_path(sim));
155 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5);
156 csa.ccb_h.func_code = XPT_SASYNC_CB;
157 csa.event_enable = AC_LOST_DEVICE;
158 csa.callback = ahd_async;
159 csa.callback_arg = sim;
160 xpt_action((union ccb *)&csa);
164 ahd->platform_data->sim = sim;
165 ahd->platform_data->path = path;
167 /* We have to wait until after any system dumps... */
168 ahd->platform_data->eh =
169 EVENTHANDLER_REGISTER(shutdown_post_sync, ahd_shutdown,
170 ahd, SHUTDOWN_PRI_DEFAULT);
171 ahd_intr_enable(ahd, TRUE);
180 * Catch an interrupt from the adapter
183 ahd_platform_intr(void *arg)
185 struct ahd_softc *ahd;
187 ahd = (struct ahd_softc *)arg;
192 * We have an scb which has been processed by the
193 * adaptor, now we look to see how the operation
197 ahd_done(struct ahd_softc *ahd, struct scb *scb)
201 CAM_DEBUG(scb->io_ctx->ccb_h.path, CAM_DEBUG_TRACE,
202 ("ahd_done - scb %d\n", SCB_GET_TAG(scb)));
205 LIST_REMOVE(scb, pending_links);
206 if ((scb->flags & SCB_TIMEDOUT) != 0)
207 LIST_REMOVE(scb, timedout_links);
209 callout_stop(&ccb->ccb_h.timeout_ch);
211 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
214 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)
215 op = BUS_DMASYNC_POSTREAD;
217 op = BUS_DMASYNC_POSTWRITE;
218 bus_dmamap_sync(ahd->buffer_dmat, scb->dmamap, op);
219 bus_dmamap_unload(ahd->buffer_dmat, scb->dmamap);
222 #ifdef AHD_TARGET_MODE
223 if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) {
224 struct cam_path *ccb_path;
227 * If we have finally disconnected, clean up our
228 * pending device state.
229 * XXX - There may be error states that cause where
230 * we will remain connected.
232 ccb_path = ccb->ccb_h.path;
233 if (ahd->pending_device != NULL
234 && xpt_path_comp(ahd->pending_device->path, ccb_path) == 0) {
236 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) != 0) {
237 ahd->pending_device = NULL;
239 xpt_print_path(ccb->ccb_h.path);
240 kprintf("Still disconnected\n");
245 if (aic_get_transaction_status(scb) == CAM_REQ_INPROG)
246 ccb->ccb_h.status |= CAM_REQ_CMP;
247 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
248 ahd_free_scb(ahd, scb);
254 if ((scb->flags & SCB_RECOVERY_SCB) != 0) {
255 struct scb *list_scb;
257 ahd->scb_data.recovery_scbs--;
259 if (aic_get_transaction_status(scb) == CAM_BDR_SENT
260 || aic_get_transaction_status(scb) == CAM_REQ_ABORTED)
261 aic_set_transaction_status(scb, CAM_CMD_TIMEOUT);
263 if (ahd->scb_data.recovery_scbs == 0) {
265 * All recovery actions have completed successfully,
266 * so reinstate the timeouts for all other pending
269 LIST_FOREACH(list_scb,
270 &ahd->pending_scbs, pending_links) {
272 aic_scb_timer_reset(scb, aic_get_timeout(scb));
275 ahd_print_path(ahd, scb);
276 kprintf("no longer in timeout, status = %x\n",
281 /* Don't clobber any existing error state */
282 if (aic_get_transaction_status(scb) == CAM_REQ_INPROG) {
283 ccb->ccb_h.status |= CAM_REQ_CMP;
284 } else if ((scb->flags & SCB_SENSE) != 0) {
286 * We performed autosense retrieval.
288 * Zero any sense not transferred by the
289 * device. The SCSI spec mandates that any
290 * untransfered data should be assumed to be
291 * zero. Complete the 'bounce' of sense information
292 * through buffers accessible via bus-space by
293 * copying it into the clients csio.
295 memset(&ccb->csio.sense_data, 0, sizeof(ccb->csio.sense_data));
296 memcpy(&ccb->csio.sense_data,
297 ahd_get_sense_buf(ahd, scb),
298 /* XXX What size do we want to use??? */
299 sizeof(ccb->csio.sense_data)
300 - ccb->csio.sense_resid);
301 scb->io_ctx->ccb_h.status |= CAM_AUTOSNS_VALID;
302 } else if ((scb->flags & SCB_PKT_SENSE) != 0) {
303 struct scsi_status_iu_header *siu;
308 * Copy only the sense data into the provided buffer.
310 siu = (struct scsi_status_iu_header *)scb->sense_data;
311 sense_len = MIN(scsi_4btoul(siu->sense_length),
312 sizeof(ccb->csio.sense_data));
313 memset(&ccb->csio.sense_data, 0, sizeof(ccb->csio.sense_data));
314 memcpy(&ccb->csio.sense_data,
315 ahd_get_sense_buf(ahd, scb) + SIU_SENSE_OFFSET(siu),
317 kprintf("Copied %d bytes of sense data offset %d:", sense_len,
318 SIU_SENSE_OFFSET(siu));
319 for (i = 0; i < sense_len; i++)
320 kprintf(" 0x%x", ((uint8_t *)&ccb->csio.sense_data)[i]);
322 scb->io_ctx->ccb_h.status |= CAM_AUTOSNS_VALID;
324 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
325 ahd_free_scb(ahd, scb);
330 ahd_action(struct cam_sim *sim, union ccb *ccb)
332 struct ahd_softc *ahd;
333 #ifdef AHD_TARGET_MODE
334 struct ahd_tmode_lstate *lstate;
339 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("ahd_action\n"));
341 ahd = (struct ahd_softc *)cam_sim_softc(sim);
343 target_id = ccb->ccb_h.target_id;
344 our_id = SIM_SCSI_ID(ahd, sim);
346 switch (ccb->ccb_h.func_code) {
347 /* Common cases first */
348 #ifdef AHD_TARGET_MODE
349 case XPT_ACCEPT_TARGET_IO: /* Accept Host Target Mode CDB */
350 case XPT_CONT_TARGET_IO:/* Continue Host Target I/O Connection*/
352 struct ahd_tmode_tstate *tstate;
355 status = ahd_find_tmode_devs(ahd, sim, ccb, &tstate,
358 if (status != CAM_REQ_CMP) {
359 if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) {
360 /* Response from the black hole device */
362 lstate = ahd->black_hole;
364 ccb->ccb_h.status = status;
369 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) {
372 SLIST_INSERT_HEAD(&lstate->accept_tios, &ccb->ccb_h,
374 ccb->ccb_h.status = CAM_REQ_INPROG;
375 if ((ahd->flags & AHD_TQINFIFO_BLOCKED) != 0)
376 ahd_run_tqinfifo(ahd, /*paused*/FALSE);
382 * The target_id represents the target we attempt to
383 * select. In target mode, this is the initiator of
384 * the original command.
387 target_id = ccb->csio.init_id;
391 case XPT_SCSI_IO: /* Execute the requested I/O operation */
392 case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */
395 struct hardware_scb *hscb;
396 struct ahd_initiator_tinfo *tinfo;
397 struct ahd_tmode_tstate *tstate;
400 if ((ahd->flags & AHD_INITIATORROLE) == 0
401 && (ccb->ccb_h.func_code == XPT_SCSI_IO
402 || ccb->ccb_h.func_code == XPT_RESET_DEV)) {
403 ccb->ccb_h.status = CAM_PROVIDE_FAIL;
412 tinfo = ahd_fetch_transinfo(ahd, 'A', our_id,
414 if ((ccb->ccb_h.flags & CAM_TAG_ACTION_VALID) == 0
415 || (tinfo->curr.ppr_options & MSG_EXT_PPR_IU_REQ) != 0
416 || ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) {
417 col_idx = AHD_NEVER_COL_IDX;
419 col_idx = AHD_BUILD_COL_IDX(target_id,
420 ccb->ccb_h.target_lun);
422 if ((scb = ahd_get_scb(ahd, col_idx)) == NULL) {
424 xpt_freeze_simq(sim, /*count*/1);
425 ahd->flags |= AHD_RESOURCE_SHORTAGE;
427 ccb->ccb_h.status = CAM_REQUEUE_REQ;
435 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_SUBTRACE,
436 ("start scb(%p)\n", scb));
439 * So we can find the SCB when an abort is requested
441 ccb->ccb_h.ccb_scb_ptr = scb;
444 * Put all the arguments for the xfer in the scb
447 hscb->scsiid = BUILD_SCSIID(ahd, sim, target_id, our_id);
448 hscb->lun = ccb->ccb_h.target_lun;
449 if (ccb->ccb_h.func_code == XPT_RESET_DEV) {
451 scb->flags |= SCB_DEVICE_RESET;
452 hscb->control |= MK_MESSAGE;
453 hscb->task_management = SIU_TASKMGMT_LUN_RESET;
454 ahd_execute_scb(scb, NULL, 0, 0);
456 #ifdef AHD_TARGET_MODE
457 if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) {
458 struct target_data *tdata;
460 tdata = &hscb->shared_data.tdata;
461 if (ahd->pending_device == lstate)
462 scb->flags |= SCB_TARGET_IMMEDIATE;
463 hscb->control |= TARGET_SCB;
464 tdata->target_phases = 0;
465 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) != 0) {
466 tdata->target_phases |= SPHASE_PENDING;
468 ccb->csio.scsi_status;
470 if (ccb->ccb_h.flags & CAM_DIS_DISCONNECT)
471 tdata->target_phases |= NO_DISCONNECT;
473 tdata->initiator_tag =
474 ahd_htole16(ccb->csio.tag_id);
477 hscb->task_management = 0;
478 if (ccb->ccb_h.flags & CAM_TAG_ACTION_VALID)
479 hscb->control |= ccb->csio.tag_action;
481 ahd_setup_data(ahd, sim, &ccb->csio, scb);
485 #ifdef AHD_TARGET_MODE
487 case XPT_IMMED_NOTIFY:
489 struct ahd_tmode_tstate *tstate;
490 struct ahd_tmode_lstate *lstate;
493 status = ahd_find_tmode_devs(ahd, sim, ccb, &tstate,
496 if (status != CAM_REQ_CMP) {
497 ccb->ccb_h.status = status;
501 SLIST_INSERT_HEAD(&lstate->immed_notifies, &ccb->ccb_h,
503 ccb->ccb_h.status = CAM_REQ_INPROG;
504 ahd_send_lstate_events(ahd, lstate);
507 case XPT_EN_LUN: /* Enable LUN as a target */
508 ahd_handle_en_lun(ahd, sim, ccb);
512 case XPT_ABORT: /* Abort the specified CCB */
514 ahd_abort_ccb(ahd, sim, ccb);
517 case XPT_SET_TRAN_SETTINGS:
520 ahd_set_tran_settings(ahd, SIM_SCSI_ID(ahd, sim),
521 SIM_CHANNEL(ahd, sim), &ccb->cts);
526 case XPT_GET_TRAN_SETTINGS:
527 /* Get default/user set transfer settings for the target */
530 ahd_get_tran_settings(ahd, SIM_SCSI_ID(ahd, sim),
531 SIM_CHANNEL(ahd, sim), &ccb->cts);
536 case XPT_CALC_GEOMETRY:
538 cam_calc_geometry(&ccb->ccg, ahd->flags & AHD_EXTENDED_TRANS_A);
542 case XPT_RESET_BUS: /* Reset the specified SCSI bus */
547 found = ahd_reset_channel(ahd, SIM_CHANNEL(ahd, sim),
548 /*initiate reset*/TRUE);
551 xpt_print_path(SIM_PATH(ahd, sim));
552 kprintf("SCSI bus reset delivered. "
553 "%d SCBs aborted.\n", found);
555 ccb->ccb_h.status = CAM_REQ_CMP;
559 case XPT_TERM_IO: /* Terminate the I/O process */
561 ccb->ccb_h.status = CAM_REQ_INVALID;
564 case XPT_PATH_INQ: /* Path routing inquiry */
566 struct ccb_pathinq *cpi = &ccb->cpi;
568 cpi->version_num = 1; /* XXX??? */
569 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE;
570 if ((ahd->features & AHD_WIDE) != 0)
571 cpi->hba_inquiry |= PI_WIDE_16;
572 if ((ahd->features & AHD_TARGETMODE) != 0) {
573 cpi->target_sprt = PIT_PROCESSOR
577 cpi->target_sprt = 0;
580 cpi->hba_eng_cnt = 0;
581 cpi->max_target = (ahd->features & AHD_WIDE) ? 15 : 7;
582 cpi->max_lun = AHD_NUM_LUNS - 1;
583 cpi->initiator_id = ahd->our_id;
584 if ((ahd->flags & AHD_RESET_BUS_A) == 0) {
585 cpi->hba_misc |= PIM_NOBUSRESET;
587 cpi->bus_id = cam_sim_bus(sim);
588 cpi->base_transfer_speed = 3300;
589 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
590 strncpy(cpi->hba_vid, "Adaptec", HBA_IDLEN);
591 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
592 cpi->unit_number = cam_sim_unit(sim);
593 #ifdef AHD_NEW_TRAN_SETTINGS
594 cpi->protocol = PROTO_SCSI;
595 cpi->protocol_version = SCSI_REV_2;
596 cpi->transport = XPORT_SPI;
597 cpi->transport_version = 2;
598 cpi->xport_specific.spi.ppr_options = SID_SPI_CLOCK_ST;
599 cpi->transport_version = 4;
600 cpi->xport_specific.spi.ppr_options = SID_SPI_CLOCK_DT_ST;
602 cpi->ccb_h.status = CAM_REQ_CMP;
607 ccb->ccb_h.status = CAM_PROVIDE_FAIL;
615 ahd_set_tran_settings(struct ahd_softc *ahd, int our_id, char channel,
616 struct ccb_trans_settings *cts)
618 #ifdef AHD_NEW_TRAN_SETTINGS
619 struct ahd_devinfo devinfo;
620 struct ccb_trans_settings_scsi *scsi;
621 struct ccb_trans_settings_spi *spi;
622 struct ahd_initiator_tinfo *tinfo;
623 struct ahd_tmode_tstate *tstate;
624 uint16_t *discenable;
628 scsi = &cts->proto_specific.scsi;
629 spi = &cts->xport_specific.spi;
630 ahd_compile_devinfo(&devinfo, SIM_SCSI_ID(ahd, sim),
631 cts->ccb_h.target_id,
632 cts->ccb_h.target_lun,
633 SIM_CHANNEL(ahd, sim),
635 tinfo = ahd_fetch_transinfo(ahd, devinfo.channel,
637 devinfo.target, &tstate);
639 if (cts->type == CTS_TYPE_CURRENT_SETTINGS) {
640 update_type |= AHD_TRANS_GOAL;
641 discenable = &tstate->discenable;
642 tagenable = &tstate->tagenable;
643 tinfo->curr.protocol_version = cts->protocol_version;
644 tinfo->curr.transport_version = cts->transport_version;
645 tinfo->goal.protocol_version = cts->protocol_version;
646 tinfo->goal.transport_version = cts->transport_version;
647 } else if (cts->type == CTS_TYPE_USER_SETTINGS) {
648 update_type |= AHD_TRANS_USER;
649 discenable = &ahd->user_discenable;
650 tagenable = &ahd->user_tagenable;
651 tinfo->user.protocol_version = cts->protocol_version;
652 tinfo->user.transport_version = cts->transport_version;
654 cts->ccb_h.status = CAM_REQ_INVALID;
658 if ((spi->valid & CTS_SPI_VALID_DISC) != 0) {
659 if ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0)
660 *discenable |= devinfo.target_mask;
662 *discenable &= ~devinfo.target_mask;
665 if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) {
666 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0)
667 *tagenable |= devinfo.target_mask;
669 *tagenable &= ~devinfo.target_mask;
672 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) {
673 ahd_validate_width(ahd, /*tinfo limit*/NULL,
674 &spi->bus_width, ROLE_UNKNOWN);
675 ahd_set_width(ahd, &devinfo, spi->bus_width,
676 update_type, /*paused*/FALSE);
679 if ((spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0) {
680 if (update_type == AHD_TRANS_USER)
681 spi->ppr_options = tinfo->user.ppr_options;
683 spi->ppr_options = tinfo->goal.ppr_options;
686 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0) {
687 if (update_type == AHD_TRANS_USER)
688 spi->sync_offset = tinfo->user.offset;
690 spi->sync_offset = tinfo->goal.offset;
693 if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) {
694 if (update_type == AHD_TRANS_USER)
695 spi->sync_period = tinfo->user.period;
697 spi->sync_period = tinfo->goal.period;
700 if (((spi->valid & CTS_SPI_VALID_SYNC_RATE) != 0)
701 || ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) != 0)) {
704 maxsync = AHD_SYNCRATE_MAX;
706 if (spi->bus_width != MSG_EXT_WDTR_BUS_16_BIT)
707 spi->ppr_options &= ~MSG_EXT_PPR_DT_REQ;
709 if ((*discenable & devinfo.target_mask) == 0)
710 spi->ppr_options &= ~MSG_EXT_PPR_IU_REQ;
712 ahd_find_syncrate(ahd, &spi->sync_period,
713 &spi->ppr_options, maxsync);
714 ahd_validate_offset(ahd, /*tinfo limit*/NULL,
715 spi->sync_period, &spi->sync_offset,
716 spi->bus_width, ROLE_UNKNOWN);
718 /* We use a period of 0 to represent async */
719 if (spi->sync_offset == 0) {
720 spi->sync_period = 0;
721 spi->ppr_options = 0;
724 ahd_set_syncrate(ahd, &devinfo, spi->sync_period,
725 spi->sync_offset, spi->ppr_options,
726 update_type, /*paused*/FALSE);
728 cts->ccb_h.status = CAM_REQ_CMP;
730 struct ahd_devinfo devinfo;
731 struct ahd_initiator_tinfo *tinfo;
732 struct ahd_tmode_tstate *tstate;
733 uint16_t *discenable;
737 ahd_compile_devinfo(&devinfo, SIM_SCSI_ID(ahd, sim),
738 cts->ccb_h.target_id,
739 cts->ccb_h.target_lun,
740 SIM_CHANNEL(ahd, sim),
742 tinfo = ahd_fetch_transinfo(ahd, devinfo.channel,
744 devinfo.target, &tstate);
746 if ((cts->flags & CCB_TRANS_CURRENT_SETTINGS) != 0) {
747 update_type |= AHD_TRANS_GOAL;
748 discenable = &tstate->discenable;
749 tagenable = &tstate->tagenable;
750 } else if ((cts->flags & CCB_TRANS_USER_SETTINGS) != 0) {
751 update_type |= AHD_TRANS_USER;
752 discenable = &ahd->user_discenable;
753 tagenable = &ahd->user_tagenable;
755 cts->ccb_h.status = CAM_REQ_INVALID;
759 if ((cts->valid & CCB_TRANS_DISC_VALID) != 0) {
760 if ((cts->flags & CCB_TRANS_DISC_ENB) != 0)
761 *discenable |= devinfo.target_mask;
763 *discenable &= ~devinfo.target_mask;
766 if ((cts->valid & CCB_TRANS_TQ_VALID) != 0) {
767 if ((cts->flags & CCB_TRANS_TAG_ENB) != 0)
768 *tagenable |= devinfo.target_mask;
770 *tagenable &= ~devinfo.target_mask;
773 if ((cts->valid & CCB_TRANS_BUS_WIDTH_VALID) != 0) {
774 ahd_validate_width(ahd, /*tinfo limit*/NULL,
775 &cts->bus_width, ROLE_UNKNOWN);
776 ahd_set_width(ahd, &devinfo, cts->bus_width,
777 update_type, /*paused*/FALSE);
780 if ((cts->valid & CCB_TRANS_SYNC_OFFSET_VALID) == 0) {
781 if (update_type == AHD_TRANS_USER)
782 cts->sync_offset = tinfo->user.offset;
784 cts->sync_offset = tinfo->goal.offset;
787 if ((cts->valid & CCB_TRANS_SYNC_RATE_VALID) == 0) {
788 if (update_type == AHD_TRANS_USER)
789 cts->sync_period = tinfo->user.period;
791 cts->sync_period = tinfo->goal.period;
794 if (((cts->valid & CCB_TRANS_SYNC_RATE_VALID) != 0)
795 || ((cts->valid & CCB_TRANS_SYNC_OFFSET_VALID) != 0)
796 || ((cts->valid & CCB_TRANS_TQ_VALID) != 0)
797 || ((cts->valid & CCB_TRANS_DISC_VALID) != 0)) {
801 maxsync = AHD_SYNCRATE_MAX;
803 if (cts->sync_period <= AHD_SYNCRATE_DT
804 && cts->bus_width == MSG_EXT_WDTR_BUS_16_BIT) {
805 ppr_options = tinfo->user.ppr_options
806 | MSG_EXT_PPR_DT_REQ;
809 if ((*tagenable & devinfo.target_mask) == 0
810 || (*discenable & devinfo.target_mask) == 0)
811 ppr_options &= ~MSG_EXT_PPR_IU_REQ;
813 ahd_find_syncrate(ahd, &cts->sync_period,
814 &ppr_options, maxsync);
815 ahd_validate_offset(ahd, /*tinfo limit*/NULL,
816 cts->sync_period, &cts->sync_offset,
817 MSG_EXT_WDTR_BUS_8_BIT,
820 /* We use a period of 0 to represent async */
821 if (cts->sync_offset == 0) {
822 cts->sync_period = 0;
827 && tinfo->user.transport_version >= 3) {
828 tinfo->goal.transport_version =
829 tinfo->user.transport_version;
830 tinfo->curr.transport_version =
831 tinfo->user.transport_version;
834 ahd_set_syncrate(ahd, &devinfo, cts->sync_period,
835 cts->sync_offset, ppr_options,
836 update_type, /*paused*/FALSE);
838 cts->ccb_h.status = CAM_REQ_CMP;
843 ahd_get_tran_settings(struct ahd_softc *ahd, int our_id, char channel,
844 struct ccb_trans_settings *cts)
846 #ifdef AHD_NEW_TRAN_SETTINGS
847 struct ahd_devinfo devinfo;
848 struct ccb_trans_settings_scsi *scsi;
849 struct ccb_trans_settings_spi *spi;
850 struct ahd_initiator_tinfo *targ_info;
851 struct ahd_tmode_tstate *tstate;
852 struct ahd_transinfo *tinfo;
854 scsi = &cts->proto_specific.scsi;
855 spi = &cts->xport_specific.spi;
856 ahd_compile_devinfo(&devinfo, our_id,
857 cts->ccb_h.target_id,
858 cts->ccb_h.target_lun,
859 channel, ROLE_UNKNOWN);
860 targ_info = ahd_fetch_transinfo(ahd, devinfo.channel,
862 devinfo.target, &tstate);
864 if (cts->type == CTS_TYPE_CURRENT_SETTINGS)
865 tinfo = &targ_info->curr;
867 tinfo = &targ_info->user;
869 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB;
870 spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB;
871 if (cts->type == CTS_TYPE_USER_SETTINGS) {
872 if ((ahd->user_discenable & devinfo.target_mask) != 0)
873 spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
875 if ((ahd->user_tagenable & devinfo.target_mask) != 0)
876 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
878 if ((tstate->discenable & devinfo.target_mask) != 0)
879 spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
881 if ((tstate->tagenable & devinfo.target_mask) != 0)
882 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
884 cts->protocol_version = tinfo->protocol_version;
885 cts->transport_version = tinfo->transport_version;
887 spi->sync_period = tinfo->period;
888 spi->sync_offset = tinfo->offset;
889 spi->bus_width = tinfo->width;
890 spi->ppr_options = tinfo->ppr_options;
892 cts->protocol = PROTO_SCSI;
893 cts->transport = XPORT_SPI;
894 spi->valid = CTS_SPI_VALID_SYNC_RATE
895 | CTS_SPI_VALID_SYNC_OFFSET
896 | CTS_SPI_VALID_BUS_WIDTH
897 | CTS_SPI_VALID_PPR_OPTIONS;
899 if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) {
900 scsi->valid = CTS_SCSI_VALID_TQ;
901 spi->valid |= CTS_SPI_VALID_DISC;
906 cts->ccb_h.status = CAM_REQ_CMP;
908 struct ahd_devinfo devinfo;
909 struct ahd_initiator_tinfo *targ_info;
910 struct ahd_tmode_tstate *tstate;
911 struct ahd_transinfo *tinfo;
913 ahd_compile_devinfo(&devinfo, our_id,
914 cts->ccb_h.target_id,
915 cts->ccb_h.target_lun,
916 channel, ROLE_UNKNOWN);
917 targ_info = ahd_fetch_transinfo(ahd, devinfo.channel,
919 devinfo.target, &tstate);
921 if ((cts->flags & CCB_TRANS_CURRENT_SETTINGS) != 0)
922 tinfo = &targ_info->curr;
924 tinfo = &targ_info->user;
926 cts->flags &= ~(CCB_TRANS_DISC_ENB|CCB_TRANS_TAG_ENB);
927 if ((cts->flags & CCB_TRANS_CURRENT_SETTINGS) == 0) {
928 if ((ahd->user_discenable & devinfo.target_mask) != 0)
929 cts->flags |= CCB_TRANS_DISC_ENB;
931 if ((ahd->user_tagenable & devinfo.target_mask) != 0)
932 cts->flags |= CCB_TRANS_TAG_ENB;
934 if ((tstate->discenable & devinfo.target_mask) != 0)
935 cts->flags |= CCB_TRANS_DISC_ENB;
937 if ((tstate->tagenable & devinfo.target_mask) != 0)
938 cts->flags |= CCB_TRANS_TAG_ENB;
940 cts->sync_period = tinfo->period;
941 cts->sync_offset = tinfo->offset;
942 cts->bus_width = tinfo->width;
944 cts->valid = CCB_TRANS_SYNC_RATE_VALID
945 | CCB_TRANS_SYNC_OFFSET_VALID
946 | CCB_TRANS_BUS_WIDTH_VALID;
948 if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD)
949 cts->valid |= CCB_TRANS_DISC_VALID|CCB_TRANS_TQ_VALID;
951 cts->ccb_h.status = CAM_REQ_CMP;
956 ahd_async(void *callback_arg, uint32_t code, struct cam_path *path, void *arg)
958 struct ahd_softc *ahd;
961 sim = (struct cam_sim *)callback_arg;
962 ahd = (struct ahd_softc *)cam_sim_softc(sim);
966 struct ahd_devinfo devinfo;
968 ahd_compile_devinfo(&devinfo, SIM_SCSI_ID(ahd, sim),
969 xpt_path_target_id(path),
970 xpt_path_lun_id(path),
971 SIM_CHANNEL(ahd, sim),
975 * Revert to async/narrow transfers
976 * for the next device.
979 ahd_set_width(ahd, &devinfo, MSG_EXT_WDTR_BUS_8_BIT,
980 AHD_TRANS_GOAL|AHD_TRANS_CUR, /*paused*/FALSE);
981 ahd_set_syncrate(ahd, &devinfo, /*period*/0, /*offset*/0,
982 /*ppr_options*/0, AHD_TRANS_GOAL|AHD_TRANS_CUR,
993 ahd_execute_scb(void *arg, bus_dma_segment_t *dm_segs, int nsegments,
998 struct ahd_softc *ahd;
999 struct ahd_initiator_tinfo *tinfo;
1000 struct ahd_tmode_tstate *tstate;
1003 scb = (struct scb *)arg;
1005 ahd = scb->ahd_softc;
1009 aic_set_transaction_status(scb, CAM_REQ_TOO_BIG);
1011 aic_set_transaction_status(scb, CAM_REQ_CMP_ERR);
1013 bus_dmamap_unload(ahd->buffer_dmat, scb->dmamap);
1015 ahd_free_scb(ahd, scb);
1021 if (nsegments != 0) {
1023 bus_dmasync_op_t op;
1026 /* Copy the segments into our SG list */
1027 for (i = nsegments, sg = scb->sg_list; i > 0; i--) {
1029 sg = ahd_sg_setup(ahd, scb, sg, dm_segs->ds_addr,
1035 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)
1036 op = BUS_DMASYNC_PREREAD;
1038 op = BUS_DMASYNC_PREWRITE;
1040 bus_dmamap_sync(ahd->buffer_dmat, scb->dmamap, op);
1042 if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) {
1043 struct target_data *tdata;
1045 tdata = &scb->hscb->shared_data.tdata;
1046 tdata->target_phases |= DPHASE_PENDING;
1047 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT)
1048 tdata->data_phase = P_DATAOUT;
1050 tdata->data_phase = P_DATAIN;
1057 * Last time we need to check if this SCB needs to
1060 if (aic_get_transaction_status(scb) != CAM_REQ_INPROG) {
1062 bus_dmamap_unload(ahd->buffer_dmat,
1064 ahd_free_scb(ahd, scb);
1070 tinfo = ahd_fetch_transinfo(ahd, SCSIID_CHANNEL(ahd, scb->hscb->scsiid),
1071 SCSIID_OUR_ID(scb->hscb->scsiid),
1072 SCSIID_TARGET(ahd, scb->hscb->scsiid),
1075 mask = SCB_GET_TARGET_MASK(ahd, scb);
1077 if ((tstate->discenable & mask) != 0
1078 && (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) == 0)
1079 scb->hscb->control |= DISCENB;
1081 if ((tinfo->curr.ppr_options & MSG_EXT_PPR_IU_REQ) != 0) {
1082 scb->flags |= SCB_PACKETIZED;
1083 if (scb->hscb->task_management != 0)
1084 scb->hscb->control &= ~MK_MESSAGE;
1087 if ((ccb->ccb_h.flags & CAM_NEGOTIATE) != 0
1088 && (tinfo->goal.width != 0
1089 || tinfo->goal.period != 0
1090 || tinfo->goal.ppr_options != 0)) {
1091 scb->flags |= SCB_NEGOTIATE;
1092 scb->hscb->control |= MK_MESSAGE;
1093 } else if ((tstate->auto_negotiate & mask) != 0) {
1094 scb->flags |= SCB_AUTO_NEGOTIATE;
1095 scb->hscb->control |= MK_MESSAGE;
1098 LIST_INSERT_HEAD(&ahd->pending_scbs, scb, pending_links);
1100 ccb->ccb_h.status |= CAM_SIM_QUEUED;
1102 aic_scb_timer_start(scb);
1104 if ((scb->flags & SCB_TARGET_IMMEDIATE) != 0) {
1105 /* Define a mapping from our tag to the SCB. */
1106 ahd->scb_data.scbindex[SCB_GET_TAG(scb)] = scb;
1108 ahd_set_scbptr(ahd, SCB_GET_TAG(scb));
1109 ahd_outb(ahd, RETURN_1, CONT_MSG_LOOP_TARG);
1112 ahd_queue_scb(ahd, scb);
1119 ahd_poll(struct cam_sim *sim)
1121 ahd_intr(cam_sim_softc(sim));
1125 ahd_setup_data(struct ahd_softc *ahd, struct cam_sim *sim,
1126 struct ccb_scsiio *csio, struct scb *scb)
1128 struct hardware_scb *hscb;
1129 struct ccb_hdr *ccb_h;
1132 ccb_h = &csio->ccb_h;
1135 csio->sense_resid = 0;
1136 if (ccb_h->func_code == XPT_SCSI_IO) {
1137 hscb->cdb_len = csio->cdb_len;
1138 if ((ccb_h->flags & CAM_CDB_POINTER) != 0) {
1140 if (hscb->cdb_len > MAX_CDB_LEN
1141 && (ccb_h->flags & CAM_CDB_PHYS) == 0) {
1143 * Should CAM start to support CDB sizes
1144 * greater than 16 bytes, we could use
1145 * the sense buffer to store the CDB.
1147 aic_set_transaction_status(scb,
1150 ahd_free_scb(ahd, scb);
1152 xpt_done((union ccb *)csio);
1155 if ((ccb_h->flags & CAM_CDB_PHYS) != 0) {
1156 hscb->shared_data.idata.cdb_from_host.cdbptr =
1157 aic_htole64((uintptr_t)csio->cdb_io.cdb_ptr);
1158 hscb->shared_data.idata.cdb_from_host.cdblen =
1160 hscb->cdb_len |= SCB_CDB_LEN_PTR;
1162 memcpy(hscb->shared_data.idata.cdb,
1163 csio->cdb_io.cdb_ptr,
1167 if (hscb->cdb_len > MAX_CDB_LEN) {
1168 aic_set_transaction_status(scb,
1171 ahd_free_scb(ahd, scb);
1173 xpt_done((union ccb *)csio);
1176 memcpy(hscb->shared_data.idata.cdb,
1177 csio->cdb_io.cdb_bytes, hscb->cdb_len);
1181 /* Only use S/G if there is a transfer */
1182 if ((ccb_h->flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
1183 if ((ccb_h->flags & CAM_SCATTER_VALID) == 0) {
1184 /* We've been given a pointer to a single buffer */
1185 if ((ccb_h->flags & CAM_DATA_PHYS) == 0) {
1189 error = bus_dmamap_load(ahd->buffer_dmat,
1195 if (error == EINPROGRESS) {
1197 * So as to maintain ordering,
1198 * freeze the controller queue
1199 * until our mapping is
1202 xpt_freeze_simq(sim,
1204 scb->io_ctx->ccb_h.status |=
1209 struct bus_dma_segment seg;
1211 /* Pointer to physical buffer */
1212 if (csio->dxfer_len > AHD_MAXTRANSFER_SIZE)
1213 panic("ahd_setup_data - Transfer size "
1214 "larger than can device max");
1217 (bus_addr_t)(vm_offset_t)csio->data_ptr;
1218 seg.ds_len = csio->dxfer_len;
1219 ahd_execute_scb(scb, &seg, 1, 0);
1222 struct bus_dma_segment *segs;
1224 if ((ccb_h->flags & CAM_DATA_PHYS) != 0)
1225 panic("ahd_setup_data - Physical segment "
1226 "pointers unsupported");
1228 if ((ccb_h->flags & CAM_SG_LIST_PHYS) == 0)
1229 panic("ahd_setup_data - Virtual segment "
1230 "addresses unsupported");
1232 /* Just use the segments provided */
1233 segs = (struct bus_dma_segment *)csio->data_ptr;
1234 ahd_execute_scb(scb, segs, csio->sglist_cnt, 0);
1237 ahd_execute_scb(scb, NULL, 0, 0);
1242 ahd_abort_ccb(struct ahd_softc *ahd, struct cam_sim *sim, union ccb *ccb)
1244 union ccb *abort_ccb;
1246 abort_ccb = ccb->cab.abort_ccb;
1247 switch (abort_ccb->ccb_h.func_code) {
1248 #ifdef AHD_TARGET_MODE
1249 case XPT_ACCEPT_TARGET_IO:
1250 case XPT_IMMED_NOTIFY:
1251 case XPT_CONT_TARGET_IO:
1253 struct ahd_tmode_tstate *tstate;
1254 struct ahd_tmode_lstate *lstate;
1255 struct ccb_hdr_slist *list;
1258 status = ahd_find_tmode_devs(ahd, sim, abort_ccb, &tstate,
1261 if (status != CAM_REQ_CMP) {
1262 ccb->ccb_h.status = status;
1266 if (abort_ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO)
1267 list = &lstate->accept_tios;
1268 else if (abort_ccb->ccb_h.func_code == XPT_IMMED_NOTIFY)
1269 list = &lstate->immed_notifies;
1274 struct ccb_hdr *curelm;
1277 curelm = SLIST_FIRST(list);
1279 if (curelm == &abort_ccb->ccb_h) {
1281 SLIST_REMOVE_HEAD(list, sim_links.sle);
1283 while(curelm != NULL) {
1284 struct ccb_hdr *nextelm;
1287 SLIST_NEXT(curelm, sim_links.sle);
1289 if (nextelm == &abort_ccb->ccb_h) {
1302 abort_ccb->ccb_h.status = CAM_REQ_ABORTED;
1303 xpt_done(abort_ccb);
1304 ccb->ccb_h.status = CAM_REQ_CMP;
1306 xpt_print_path(abort_ccb->ccb_h.path);
1307 kprintf("Not found\n");
1308 ccb->ccb_h.status = CAM_PATH_INVALID;
1316 /* XXX Fully implement the hard ones */
1317 ccb->ccb_h.status = CAM_UA_ABORT;
1320 ccb->ccb_h.status = CAM_REQ_INVALID;
1327 ahd_send_async(struct ahd_softc *ahd, char channel, u_int target,
1328 u_int lun, ac_code code, void *opt_arg)
1330 struct ccb_trans_settings cts;
1331 struct cam_path *path;
1336 error = ahd_create_path(ahd, channel, target, lun, &path);
1338 if (error != CAM_REQ_CMP)
1342 case AC_TRANSFER_NEG:
1344 #ifdef AHD_NEW_TRAN_SETTINGS
1345 struct ccb_trans_settings_scsi *scsi;
1347 cts.type = CTS_TYPE_CURRENT_SETTINGS;
1348 scsi = &cts.proto_specific.scsi;
1350 cts.flags = CCB_TRANS_CURRENT_SETTINGS;
1352 cts.ccb_h.path = path;
1353 cts.ccb_h.target_id = target;
1354 cts.ccb_h.target_lun = lun;
1355 ahd_get_tran_settings(ahd, ahd->our_id, channel, &cts);
1357 #ifdef AHD_NEW_TRAN_SETTINGS
1358 scsi->valid &= ~CTS_SCSI_VALID_TQ;
1359 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB;
1361 cts.valid &= ~CCB_TRANS_TQ_VALID;
1362 cts.flags &= ~CCB_TRANS_TAG_ENB;
1364 if (opt_arg == NULL)
1366 if (*((ahd_queue_alg *)opt_arg) == AHD_QUEUE_TAGGED)
1367 #ifdef AHD_NEW_TRAN_SETTINGS
1368 scsi->flags |= ~CTS_SCSI_FLAGS_TAG_ENB;
1369 scsi->valid |= CTS_SCSI_VALID_TQ;
1371 cts.flags |= CCB_TRANS_TAG_ENB;
1372 cts.valid |= CCB_TRANS_TQ_VALID;
1380 panic("ahd_send_async: Unexpected async event");
1382 xpt_async(code, path, arg);
1383 xpt_free_path(path);
1387 ahd_platform_set_tags(struct ahd_softc *ahd,
1388 struct ahd_devinfo *devinfo, int enable)
1393 ahd_platform_alloc(struct ahd_softc *ahd, void *platform_arg)
1395 ahd->platform_data = kmalloc(sizeof(struct ahd_platform_data), M_DEVBUF,
1396 M_INTWAIT | M_ZERO);
1401 ahd_platform_free(struct ahd_softc *ahd)
1403 struct ahd_platform_data *pdata;
1405 pdata = ahd->platform_data;
1406 if (pdata != NULL) {
1407 if (pdata->regs[0] != NULL)
1408 bus_release_resource(ahd->dev_softc,
1409 pdata->regs_res_type[0],
1410 pdata->regs_res_id[0],
1413 if (pdata->regs[1] != NULL)
1414 bus_release_resource(ahd->dev_softc,
1415 pdata->regs_res_type[1],
1416 pdata->regs_res_id[1],
1419 if (pdata->irq != NULL)
1420 bus_release_resource(ahd->dev_softc,
1421 pdata->irq_res_type,
1424 if (pdata->sim != NULL) {
1425 xpt_async(AC_LOST_DEVICE, pdata->path, NULL);
1426 xpt_free_path(pdata->path);
1427 xpt_bus_deregister(cam_sim_path(pdata->sim));
1428 cam_sim_free(pdata->sim);
1430 if (pdata->eh != NULL)
1431 EVENTHANDLER_DEREGISTER(shutdown_post_sync, pdata->eh);
1432 kfree(ahd->platform_data, M_DEVBUF);
1437 ahd_softc_comp(struct ahd_softc *lahd, struct ahd_softc *rahd)
1439 /* We don't sort softcs under FreeBSD so report equal always */
1444 ahd_detach(device_t dev)
1446 struct ahd_softc *ahd;
1448 device_printf(dev, "detaching device\n");
1449 ahd = device_get_softc(dev);
1450 ahd = ahd_find_softc(ahd);
1452 device_printf(dev, "aic7xxx already detached\n");
1455 TAILQ_REMOVE(&ahd_tailq, ahd, links);
1457 ahd_intr_enable(ahd, FALSE);
1458 bus_teardown_intr(dev, ahd->platform_data->irq, ahd->platform_data->ih);
1466 ahd_dump_targcmd(struct target_cmd *cmd)
1472 byte = &cmd->initiator_channel;
1473 /* Debugging info for received commands */
1474 last_byte = &cmd[1].initiator_channel;
1477 while (byte < last_byte) {
1480 kprintf("%#x", *byte++);
1493 ahd_modevent(module_t mod, int type, void *data)
1495 /* XXX Deal with busy status on unload. */
1499 static moduledata_t ahd_mod = {
1505 /********************************** DDB Hooks *********************************/
1507 static struct ahd_softc *ahd_ddb_softc;
1508 static int ahd_ddb_paused;
1509 static int ahd_ddb_paused_on_entry;
1510 DB_COMMAND(ahd_sunit, ahd_ddb_sunit)
1512 struct ahd_softc *list_ahd;
1514 ahd_ddb_softc = NULL;
1515 TAILQ_FOREACH(list_ahd, &ahd_tailq, links) {
1516 if (list_ahd->unit == addr)
1517 ahd_ddb_softc = list_ahd;
1519 if (ahd_ddb_softc == NULL)
1520 db_error("No matching softc found!\n");
1523 DB_COMMAND(ahd_pause, ahd_ddb_pause)
1525 if (ahd_ddb_softc == NULL) {
1526 db_error("Must set unit with ahd_sunit first!\n");
1529 if (ahd_ddb_paused == 0) {
1531 if (ahd_is_paused(ahd_ddb_softc)) {
1532 ahd_ddb_paused_on_entry++;
1535 ahd_pause(ahd_ddb_softc);
1539 DB_COMMAND(ahd_unpause, ahd_ddb_unpause)
1541 if (ahd_ddb_softc == NULL) {
1542 db_error("Must set unit with ahd_sunit first!\n");
1545 if (ahd_ddb_paused != 0) {
1547 if (ahd_ddb_paused_on_entry)
1549 ahd_unpause(ahd_ddb_softc);
1550 } else if (ahd_ddb_paused_on_entry != 0) {
1551 /* Two unpauses to clear a paused on entry. */
1552 ahd_ddb_paused_on_entry = 0;
1553 ahd_unpause(ahd_ddb_softc);
1557 DB_COMMAND(ahd_in, ahd_ddb_in)
1562 if (ahd_ddb_softc == NULL) {
1563 db_error("Must set unit with ahd_sunit first!\n");
1570 while ((c = *modif++) != '\0') {
1586 while (--count >= 0) {
1587 db_printf("%04lx (M)%x: \t", (u_long)addr,
1588 ahd_inb(ahd_ddb_softc, MODE_PTR));
1591 db_printf("%02x\n", ahd_inb(ahd_ddb_softc, addr));
1594 db_printf("%04x\n", ahd_inw(ahd_ddb_softc, addr));
1597 db_printf("%08x\n", ahd_inl(ahd_ddb_softc, addr));
1603 DB_SET(ahd_out, ahd_ddb_out, db_cmd_set, CS_MORE, NULL)
1605 db_expr_t old_value;
1606 db_expr_t new_value;
1609 if (ahd_ddb_softc == NULL) {
1610 db_error("Must set unit with ahd_sunit first!\n");
1626 db_error("Unknown size\n");
1630 while (db_expression(&new_value)) {
1634 old_value = ahd_inb(ahd_ddb_softc, addr);
1635 ahd_outb(ahd_ddb_softc, addr, new_value);
1638 old_value = ahd_inw(ahd_ddb_softc, addr);
1639 ahd_outw(ahd_ddb_softc, addr, new_value);
1642 old_value = ahd_inl(ahd_ddb_softc, addr);
1643 ahd_outl(ahd_ddb_softc, addr, new_value);
1646 db_printf("%04lx (M)%x: \t0x%lx\t=\t0x%lx",
1647 (u_long)addr, ahd_inb(ahd_ddb_softc, MODE_PTR),
1648 (u_long)old_value, (u_long)new_value);
1654 DB_COMMAND(ahd_dump, ahd_ddb_dump)
1656 if (ahd_ddb_softc == NULL) {
1657 db_error("Must set unit with ahd_sunit first!\n");
1660 ahd_dump_card_state(ahd_ddb_softc);
1666 DECLARE_MODULE(ahd, ahd_mod, SI_SUB_DRIVERS, SI_ORDER_MIDDLE);
1667 MODULE_DEPEND(ahd, cam, 1, 1, 1);
1668 MODULE_VERSION(ahd, 1);