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Only print sense data diagnostics if debugging is enabled with the
[dragonfly.git] / sys / dev / disk / aic7xxx / aic79xx_osm.c
blobfa140575b8fa2fce998cef32d9267660f4ef245a
1 /*
2 * Bus independent FreeBSD shim for the aic79xx based Adaptec SCSI controllers
3 *
4 * Copyright (c) 1994-2002, 2004 Justin T. Gibbs.
5 * Copyright (c) 2001-2002 Adaptec Inc.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions, and the following disclaimer,
13 * without modification.
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.
16 *
17 * Alternatively, this software may be distributed under the terms of the
18 * GNU Public License ("GPL").
19 *
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
30 * SUCH DAMAGE.
31 *
32 * $Id: //depot/aic7xxx/freebsd/dev/aic7xxx/aic79xx_osm.c#35 $
33 *
34 * $FreeBSD: src/sys/dev/aic7xxx/aic79xx_osm.c,v 1.23 2005/12/04 02:12:40 ru Exp $
35 * $DragonFly: src/sys/dev/disk/aic7xxx/aic79xx_osm.c,v 1.24 2008/03/06 20:01:29 pavalos Exp $
36 */
37
38 #include "aic79xx_osm.h"
39 #include "aic79xx_inline.h"
40
41 #include <sys/kthread.h>
42
43 #include "opt_ddb.h"
44 #ifdef DDB
45 #include <ddb/ddb.h>
46 #endif
47
48 #ifndef AHD_TMODE_ENABLE
49 #define AHD_TMODE_ENABLE 0
50 #endif
51
52 #include "aic_osm_lib.c"
53
54 #define ccb_scb_ptr spriv_ptr0
55
56 #if 0
57 static void ahd_dump_targcmd(struct target_cmd *cmd);
58 #endif
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,
75 union ccb *ccb);
76 static int ahd_create_path(struct ahd_softc *ahd,
77 char channel, u_int target, u_int lun,
78 struct cam_path **path);
79
80 static int
81 ahd_create_path(struct ahd_softc *ahd, char channel, u_int target,
82 u_int lun, struct cam_path **path)
83 {
84 path_id_t path_id;
85
86 path_id = cam_sim_path(ahd->platform_data->sim);
87 return (xpt_create_path(path, /*periph*/NULL,
88 path_id, target, lun));
89 }
90
91 int
92 ahd_map_int(struct ahd_softc *ahd)
93 {
94 int error;
95
96 /* Hook up our interrupt handler */
97 error = bus_setup_intr(ahd->dev_softc, ahd->platform_data->irq,
98 INTR_MPSAFE, ahd_platform_intr, ahd,
99 &ahd->platform_data->ih, NULL);
100 if (error != 0)
101 device_printf(ahd->dev_softc, "bus_setup_intr() failed: %d\n",
102 error);
103 return (error);
104 }
105
106 /*
107 * Attach all the sub-devices we can find
108 */
109 int
110 ahd_attach(struct ahd_softc *ahd)
111 {
112 char ahd_info[256];
113 struct ccb_setasync csa;
114 struct cam_sim *sim;
115 struct cam_path *path;
116 int count;
117
118 count = 0;
119 sim = NULL;
120
121 /*
122 * Create a thread to perform all recovery.
123 */
124 if (ahd_spawn_recovery_thread(ahd) != 0)
125 goto fail;
126
127 ahd_controller_info(ahd, ahd_info);
128 kprintf("%s\n", ahd_info);
129 ahd_lock(ahd);
130
131 /*
132 * Construct our SIM entry
133 */
134 sim = cam_sim_alloc(ahd_action, ahd_poll, "ahd", ahd,
135 device_get_unit(ahd->dev_softc),
136 1, AHD_MAX_QUEUE, NULL);
137 if (sim == NULL)
138 goto fail;
139
140 if (xpt_bus_register(sim, /*bus_id*/0) != CAM_SUCCESS) {
141 cam_sim_free(sim);
142 sim = NULL;
143 goto fail;
144 }
145
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));
150 cam_sim_free(sim);
151 sim = NULL;
152 goto fail;
153 }
154
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);
161 count++;
162
163 fail:
164 ahd->platform_data->sim = sim;
165 ahd->platform_data->path = path;
166 ahd_unlock(ahd);
167 if (count != 0) {
168 /* We have to wait until after any system dumps... */
169 ahd->platform_data->eh =
170 EVENTHANDLER_REGISTER(shutdown_post_sync, ahd_shutdown,
171 ahd, SHUTDOWN_PRI_DRIVER);
172 ahd_intr_enable(ahd, TRUE);
173 }
174
175 return (count);
176 }
177
178 /*
179 * Catch an interrupt from the adapter
180 */
181 void
182 ahd_platform_intr(void *arg)
183 {
184 struct ahd_softc *ahd;
185
186 ahd = (struct ahd_softc *)arg;
187 ahd_lock(ahd);
188 ahd_intr(ahd);
189 ahd_unlock(ahd);
190 }
191
192 /*
193 * We have an scb which has been processed by the
194 * adaptor, now we look to see how the operation
195 * went.
196 */
197 void
198 ahd_done(struct ahd_softc *ahd, struct scb *scb)
199 {
200 union ccb *ccb;
201
202 CAM_DEBUG(scb->io_ctx->ccb_h.path, CAM_DEBUG_TRACE,
203 ("ahd_done - scb %d\n", SCB_GET_TAG(scb)));
204
205 ccb = scb->io_ctx;
206 LIST_REMOVE(scb, pending_links);
207 if ((scb->flags & SCB_TIMEDOUT) != 0)
208 LIST_REMOVE(scb, timedout_links);
209
210 callout_stop(&scb->io_timer);
211
212 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
213 bus_dmasync_op_t op;
214
215 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)
216 op = BUS_DMASYNC_POSTREAD;
217 else
218 op = BUS_DMASYNC_POSTWRITE;
219 bus_dmamap_sync(ahd->buffer_dmat, scb->dmamap, op);
220 bus_dmamap_unload(ahd->buffer_dmat, scb->dmamap);
221 }
222
223 #ifdef AHD_TARGET_MODE
224 if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) {
225 struct cam_path *ccb_path;
226
227 /*
228 * If we have finally disconnected, clean up our
229 * pending device state.
230 * XXX - There may be error states that cause where
231 * we will remain connected.
232 */
233 ccb_path = ccb->ccb_h.path;
234 if (ahd->pending_device != NULL
235 && xpt_path_comp(ahd->pending_device->path, ccb_path) == 0) {
236
237 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) != 0) {
238 ahd->pending_device = NULL;
239 } else {
240 xpt_print_path(ccb->ccb_h.path);
241 kprintf("Still disconnected\n");
242 ahd_freeze_ccb(ccb);
243 }
244 }
245
246 if (aic_get_transaction_status(scb) == CAM_REQ_INPROG)
247 ccb->ccb_h.status |= CAM_REQ_CMP;
248 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
249 ahd_free_scb(ahd, scb);
250 xpt_done(ccb);
251 return;
252 }
253 #endif
254
255 if ((scb->flags & SCB_RECOVERY_SCB) != 0) {
256 struct scb *list_scb;
257
258 ahd->scb_data.recovery_scbs--;
259
260 if (aic_get_transaction_status(scb) == CAM_BDR_SENT
261 || aic_get_transaction_status(scb) == CAM_REQ_ABORTED)
262 aic_set_transaction_status(scb, CAM_CMD_TIMEOUT);
263
264 if (ahd->scb_data.recovery_scbs == 0) {
265 /*
266 * All recovery actions have completed successfully,
267 * so reinstate the timeouts for all other pending
268 * commands.
269 */
270 LIST_FOREACH(list_scb,
271 &ahd->pending_scbs, pending_links) {
272
273 aic_scb_timer_reset(list_scb,
274 aic_get_timeout(scb));
275 }
276
277 ahd_print_path(ahd, scb);
278 kprintf("no longer in timeout, status = %x\n",
279 ccb->ccb_h.status);
280 }
281 }
282
283 /* Don't clobber any existing error state */
284 if (aic_get_transaction_status(scb) == CAM_REQ_INPROG) {
285 ccb->ccb_h.status |= CAM_REQ_CMP;
286 } else if ((scb->flags & SCB_SENSE) != 0) {
287 /*
288 * We performed autosense retrieval.
289 *
290 * Zero any sense not transferred by the
291 * device. The SCSI spec mandates that any
292 * untransfered data should be assumed to be
293 * zero. Complete the 'bounce' of sense information
294 * through buffers accessible via bus-space by
295 * copying it into the clients csio.
296 */
297 memset(&ccb->csio.sense_data, 0, sizeof(ccb->csio.sense_data));
298 memcpy(&ccb->csio.sense_data,
299 ahd_get_sense_buf(ahd, scb),
300 /* XXX What size do we want to use??? */
301 sizeof(ccb->csio.sense_data)
302 - ccb->csio.sense_resid);
303 scb->io_ctx->ccb_h.status |= CAM_AUTOSNS_VALID;
304 } else if ((scb->flags & SCB_PKT_SENSE) != 0) {
305 struct scsi_status_iu_header *siu;
306 u_int sense_len;
307
308 /*
309 * Copy only the sense data into the provided buffer.
310 */
311 siu = (struct scsi_status_iu_header *)scb->sense_data;
312 sense_len = MIN(scsi_4btoul(siu->sense_length),
313 sizeof(ccb->csio.sense_data));
314 memset(&ccb->csio.sense_data, 0, sizeof(ccb->csio.sense_data));
315 memcpy(&ccb->csio.sense_data,
316 ahd_get_sense_buf(ahd, scb) + SIU_SENSE_OFFSET(siu),
317 sense_len);
318 #ifdef AHD_DEBUG
319 if ((ahd_debug & AHD_SHOW_SENSE) != 0) {
320 uint8_t *sense_data = (uint8_t *)&ccb->csio.sense_data;
321 u_int i;
322
323 kprintf("Copied %d bytes of sense data offset %d:",
324 sense_len, SIU_SENSE_OFFSET(siu));
325 for (i = 0; i < sense_len; i++)
326 kprintf(" 0x%x", *sense_data++);
327 kprintf("\n");
328 }
329 #endif
330 scb->io_ctx->ccb_h.status |= CAM_AUTOSNS_VALID;
331 }
332 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
333 ahd_free_scb(ahd, scb);
334 xpt_done(ccb);
335 }
336
337 static void
338 ahd_action(struct cam_sim *sim, union ccb *ccb)
339 {
340 struct ahd_softc *ahd;
341 #ifdef AHD_TARGET_MODE
342 struct ahd_tmode_lstate *lstate;
343 #endif
344 u_int target_id;
345 u_int our_id;
346
347 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("ahd_action\n"));
348
349 ahd = (struct ahd_softc *)cam_sim_softc(sim);
350
351 target_id = ccb->ccb_h.target_id;
352 our_id = SIM_SCSI_ID(ahd, sim);
353
354 switch (ccb->ccb_h.func_code) {
355 /* Common cases first */
356 #ifdef AHD_TARGET_MODE
357 case XPT_ACCEPT_TARGET_IO: /* Accept Host Target Mode CDB */
358 case XPT_CONT_TARGET_IO:/* Continue Host Target I/O Connection*/
359 {
360 struct ahd_tmode_tstate *tstate;
361 cam_status status;
362
363 status = ahd_find_tmode_devs(ahd, sim, ccb, &tstate,
364 &lstate, TRUE);
365
366 if (status != CAM_REQ_CMP) {
367 if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) {
368 /* Response from the black hole device */
369 tstate = NULL;
370 lstate = ahd->black_hole;
371 } else {
372 ccb->ccb_h.status = status;
373 xpt_done(ccb);
374 break;
375 }
376 }
377 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) {
378
379 SLIST_INSERT_HEAD(&lstate->accept_tios, &ccb->ccb_h,
380 sim_links.sle);
381 ccb->ccb_h.status = CAM_REQ_INPROG;
382 if ((ahd->flags & AHD_TQINFIFO_BLOCKED) != 0)
383 ahd_run_tqinfifo(ahd, /*paused*/FALSE);
384 break;
385 }
386
387 /*
388 * The target_id represents the target we attempt to
389 * select. In target mode, this is the initiator of
390 * the original command.
391 */
392 our_id = target_id;
393 target_id = ccb->csio.init_id;
394 /* FALLTHROUGH */
395 }
396 #endif
397 case XPT_SCSI_IO: /* Execute the requested I/O operation */
398 case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */
399 {
400 struct scb *scb;
401 struct hardware_scb *hscb;
402 struct ahd_initiator_tinfo *tinfo;
403 struct ahd_tmode_tstate *tstate;
404 u_int col_idx;
405
406 if ((ahd->flags & AHD_INITIATORROLE) == 0
407 && (ccb->ccb_h.func_code == XPT_SCSI_IO
408 || ccb->ccb_h.func_code == XPT_RESET_DEV)) {
409 ccb->ccb_h.status = CAM_PROVIDE_FAIL;
410 xpt_done(ccb);
411 return;
412 }
413
414 /*
415 * get an scb to use.
416 */
417 tinfo = ahd_fetch_transinfo(ahd, 'A', our_id,
418 target_id, &tstate);
419 if ((ccb->ccb_h.flags & CAM_TAG_ACTION_VALID) == 0
420 || (tinfo->curr.ppr_options & MSG_EXT_PPR_IU_REQ) != 0
421 || ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) {
422 col_idx = AHD_NEVER_COL_IDX;
423 } else {
424 col_idx = AHD_BUILD_COL_IDX(target_id,
425 ccb->ccb_h.target_lun);
426 }
427 if ((scb = ahd_get_scb(ahd, col_idx)) == NULL) {
428
429 xpt_freeze_simq(sim, /*count*/1);
430 ahd->flags |= AHD_RESOURCE_SHORTAGE;
431 ccb->ccb_h.status = CAM_REQUEUE_REQ;
432 xpt_done(ccb);
433 return;
434 }
435
436 hscb = scb->hscb;
437
438 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_SUBTRACE,
439 ("start scb(%p)\n", scb));
440 scb->io_ctx = ccb;
441 /*
442 * So we can find the SCB when an abort is requested
443 */
444 ccb->ccb_h.ccb_scb_ptr = scb;
445
446 /*
447 * Put all the arguments for the xfer in the scb
448 */
449 hscb->control = 0;
450 hscb->scsiid = BUILD_SCSIID(ahd, sim, target_id, our_id);
451 hscb->lun = ccb->ccb_h.target_lun;
452 if (ccb->ccb_h.func_code == XPT_RESET_DEV) {
453 hscb->cdb_len = 0;
454 scb->flags |= SCB_DEVICE_RESET;
455 hscb->control |= MK_MESSAGE;
456 hscb->task_management = SIU_TASKMGMT_LUN_RESET;
457 ahd_execute_scb(scb, NULL, 0, 0);
458 } else {
459 #ifdef AHD_TARGET_MODE
460 if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) {
461 struct target_data *tdata;
462
463 tdata = &hscb->shared_data.tdata;
464 if (ahd->pending_device == lstate)
465 scb->flags |= SCB_TARGET_IMMEDIATE;
466 hscb->control |= TARGET_SCB;
467 tdata->target_phases = 0;
468 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) != 0) {
469 tdata->target_phases |= SPHASE_PENDING;
470 tdata->scsi_status =
471 ccb->csio.scsi_status;
472 }
473 if (ccb->ccb_h.flags & CAM_DIS_DISCONNECT)
474 tdata->target_phases |= NO_DISCONNECT;
475
476 tdata->initiator_tag =
477 ahd_htole16(ccb->csio.tag_id);
478 }
479 #endif
480 hscb->task_management = 0;
481 if (ccb->ccb_h.flags & CAM_TAG_ACTION_VALID)
482 hscb->control |= ccb->csio.tag_action;
483
484 ahd_setup_data(ahd, sim, &ccb->csio, scb);
485 }
486 break;
487 }
488 #ifdef AHD_TARGET_MODE
489 case XPT_NOTIFY_ACK:
490 case XPT_IMMED_NOTIFY:
491 {
492 struct ahd_tmode_tstate *tstate;
493 struct ahd_tmode_lstate *lstate;
494 cam_status status;
495
496 status = ahd_find_tmode_devs(ahd, sim, ccb, &tstate,
497 &lstate, TRUE);
498
499 if (status != CAM_REQ_CMP) {
500 ccb->ccb_h.status = status;
501 xpt_done(ccb);
502 break;
503 }
504 SLIST_INSERT_HEAD(&lstate->immed_notifies, &ccb->ccb_h,
505 sim_links.sle);
506 ccb->ccb_h.status = CAM_REQ_INPROG;
507 ahd_send_lstate_events(ahd, lstate);
508 break;
509 }
510 case XPT_EN_LUN: /* Enable LUN as a target */
511 ahd_handle_en_lun(ahd, sim, ccb);
512 xpt_done(ccb);
513 break;
514 #endif
515 case XPT_ABORT: /* Abort the specified CCB */
516 {
517 ahd_abort_ccb(ahd, sim, ccb);
518 break;
519 }
520 case XPT_SET_TRAN_SETTINGS:
521 {
522 ahd_set_tran_settings(ahd, SIM_SCSI_ID(ahd, sim),
523 SIM_CHANNEL(ahd, sim), &ccb->cts);
524 xpt_done(ccb);
525 break;
526 }
527 case XPT_GET_TRAN_SETTINGS:
528 /* Get default/user set transfer settings for the target */
529 {
530 ahd_get_tran_settings(ahd, SIM_SCSI_ID(ahd, sim),
531 SIM_CHANNEL(ahd, sim), &ccb->cts);
532 xpt_done(ccb);
533 break;
534 }
535 case XPT_CALC_GEOMETRY:
536 {
537 cam_calc_geometry(&ccb->ccg, ahd->flags & AHD_EXTENDED_TRANS_A);
538 xpt_done(ccb);
539 break;
540 }
541 case XPT_RESET_BUS: /* Reset the specified SCSI bus */
542 {
543 int found;
544
545 found = ahd_reset_channel(ahd, SIM_CHANNEL(ahd, sim),
546 /*initiate reset*/TRUE);
547 if (bootverbose) {
548 xpt_print_path(SIM_PATH(ahd, sim));
549 kprintf("SCSI bus reset delivered. "
550 "%d SCBs aborted.\n", found);
551 }
552 ccb->ccb_h.status = CAM_REQ_CMP;
553 xpt_done(ccb);
554 break;
555 }
556 case XPT_TERM_IO: /* Terminate the I/O process */
557 /* XXX Implement */
558 ccb->ccb_h.status = CAM_REQ_INVALID;
559 xpt_done(ccb);
560 break;
561 case XPT_PATH_INQ: /* Path routing inquiry */
562 {
563 struct ccb_pathinq *cpi = &ccb->cpi;
564
565 cpi->version_num = 1; /* XXX??? */
566 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE;
567 if ((ahd->features & AHD_WIDE) != 0)
568 cpi->hba_inquiry |= PI_WIDE_16;
569 if ((ahd->features & AHD_TARGETMODE) != 0) {
570 cpi->target_sprt = PIT_PROCESSOR
571 | PIT_DISCONNECT
572 | PIT_TERM_IO;
573 } else {
574 cpi->target_sprt = 0;
575 }
576 cpi->hba_misc = 0;
577 cpi->hba_eng_cnt = 0;
578 cpi->max_target = (ahd->features & AHD_WIDE) ? 15 : 7;
579 cpi->max_lun = AHD_NUM_LUNS_NONPKT - 1;
580 cpi->initiator_id = ahd->our_id;
581 if ((ahd->flags & AHD_RESET_BUS_A) == 0) {
582 cpi->hba_misc |= PIM_NOBUSRESET;
583 }
584 cpi->bus_id = cam_sim_bus(sim);
585 cpi->base_transfer_speed = 3300;
586 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
587 strncpy(cpi->hba_vid, "Adaptec", HBA_IDLEN);
588 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
589 cpi->unit_number = cam_sim_unit(sim);
590 cpi->protocol = PROTO_SCSI;
591 cpi->protocol_version = SCSI_REV_2;
592 cpi->transport = XPORT_SPI;
593 cpi->transport_version = 2;
594 cpi->xport_specific.spi.ppr_options = SID_SPI_CLOCK_ST;
595 cpi->transport_version = 4;
596 cpi->xport_specific.spi.ppr_options = SID_SPI_CLOCK_DT_ST;
597 cpi->ccb_h.status = CAM_REQ_CMP;
598 xpt_done(ccb);
599 break;
600 }
601 default:
602 ccb->ccb_h.status = CAM_PROVIDE_FAIL;
603 xpt_done(ccb);
604 break;
605 }
606 }
607
608
609 static void
610 ahd_set_tran_settings(struct ahd_softc *ahd, int our_id, char channel,
611 struct ccb_trans_settings *cts)
612 {
613 struct ahd_devinfo devinfo;
614 struct ccb_trans_settings_scsi *scsi;
615 struct ccb_trans_settings_spi *spi;
616 struct ahd_initiator_tinfo *tinfo;
617 struct ahd_tmode_tstate *tstate;
618 uint16_t *discenable;
619 uint16_t *tagenable;
620 u_int update_type;
621
622 scsi = &cts->proto_specific.scsi;
623 spi = &cts->xport_specific.spi;
624 ahd_compile_devinfo(&devinfo, SIM_SCSI_ID(ahd, sim),
625 cts->ccb_h.target_id,
626 cts->ccb_h.target_lun,
627 SIM_CHANNEL(ahd, sim),
628 ROLE_UNKNOWN);
629 tinfo = ahd_fetch_transinfo(ahd, devinfo.channel,
630 devinfo.our_scsiid,
631 devinfo.target, &tstate);
632 update_type = 0;
633 if (cts->type == CTS_TYPE_CURRENT_SETTINGS) {
634 update_type |= AHD_TRANS_GOAL;
635 discenable = &tstate->discenable;
636 tagenable = &tstate->tagenable;
637 tinfo->curr.protocol_version = cts->protocol_version;
638 tinfo->curr.transport_version = cts->transport_version;
639 tinfo->goal.protocol_version = cts->protocol_version;
640 tinfo->goal.transport_version = cts->transport_version;
641 } else if (cts->type == CTS_TYPE_USER_SETTINGS) {
642 update_type |= AHD_TRANS_USER;
643 discenable = &ahd->user_discenable;
644 tagenable = &ahd->user_tagenable;
645 tinfo->user.protocol_version = cts->protocol_version;
646 tinfo->user.transport_version = cts->transport_version;
647 } else {
648 cts->ccb_h.status = CAM_REQ_INVALID;
649 return;
650 }
651
652 if ((spi->valid & CTS_SPI_VALID_DISC) != 0) {
653 if ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0)
654 *discenable |= devinfo.target_mask;
655 else
656 *discenable &= ~devinfo.target_mask;
657 }
658
659 if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) {
660 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0)
661 *tagenable |= devinfo.target_mask;
662 else
663 *tagenable &= ~devinfo.target_mask;
664 }
665
666 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) {
667 ahd_validate_width(ahd, /*tinfo limit*/NULL,
668 &spi->bus_width, ROLE_UNKNOWN);
669 ahd_set_width(ahd, &devinfo, spi->bus_width,
670 update_type, /*paused*/FALSE);
671 }
672
673 if ((spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0) {
674 if (update_type == AHD_TRANS_USER)
675 spi->ppr_options = tinfo->user.ppr_options;
676 else
677 spi->ppr_options = tinfo->goal.ppr_options;
678 }
679
680 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0) {
681 if (update_type == AHD_TRANS_USER)
682 spi->sync_offset = tinfo->user.offset;
683 else
684 spi->sync_offset = tinfo->goal.offset;
685 }
686
687 if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) {
688 if (update_type == AHD_TRANS_USER)
689 spi->sync_period = tinfo->user.period;
690 else
691 spi->sync_period = tinfo->goal.period;
692 }
693
694 if (((spi->valid & CTS_SPI_VALID_SYNC_RATE) != 0)
695 || ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) != 0)) {
696 u_int maxsync;
697
698 maxsync = AHD_SYNCRATE_MAX;
699
700 if (spi->bus_width != MSG_EXT_WDTR_BUS_16_BIT)
701 spi->ppr_options &= ~MSG_EXT_PPR_DT_REQ;
702
703 if ((*discenable & devinfo.target_mask) == 0)
704 spi->ppr_options &= ~MSG_EXT_PPR_IU_REQ;
705
706 ahd_find_syncrate(ahd, &spi->sync_period,
707 &spi->ppr_options, maxsync);
708 ahd_validate_offset(ahd, /*tinfo limit*/NULL,
709 spi->sync_period, &spi->sync_offset,
710 spi->bus_width, ROLE_UNKNOWN);
711
712 /* We use a period of 0 to represent async */
713 if (spi->sync_offset == 0) {
714 spi->sync_period = 0;
715 spi->ppr_options = 0;
716 }
717
718 ahd_set_syncrate(ahd, &devinfo, spi->sync_period,
719 spi->sync_offset, spi->ppr_options,
720 update_type, /*paused*/FALSE);
721 }
722 cts->ccb_h.status = CAM_REQ_CMP;
723 }
724
725 static void
726 ahd_get_tran_settings(struct ahd_softc *ahd, int our_id, char channel,
727 struct ccb_trans_settings *cts)
728 {
729 struct ahd_devinfo devinfo;
730 struct ccb_trans_settings_scsi *scsi;
731 struct ccb_trans_settings_spi *spi;
732 struct ahd_initiator_tinfo *targ_info;
733 struct ahd_tmode_tstate *tstate;
734 struct ahd_transinfo *tinfo;
735
736 scsi = &cts->proto_specific.scsi;
737 spi = &cts->xport_specific.spi;
738 ahd_compile_devinfo(&devinfo, our_id,
739 cts->ccb_h.target_id,
740 cts->ccb_h.target_lun,
741 channel, ROLE_UNKNOWN);
742 targ_info = ahd_fetch_transinfo(ahd, devinfo.channel,
743 devinfo.our_scsiid,
744 devinfo.target, &tstate);
745
746 if (cts->type == CTS_TYPE_CURRENT_SETTINGS)
747 tinfo = &targ_info->curr;
748 else
749 tinfo = &targ_info->user;
750
751 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB;
752 spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB;
753 if (cts->type == CTS_TYPE_USER_SETTINGS) {
754 if ((ahd->user_discenable & devinfo.target_mask) != 0)
755 spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
756
757 if ((ahd->user_tagenable & devinfo.target_mask) != 0)
758 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
759 } else {
760 if ((tstate->discenable & devinfo.target_mask) != 0)
761 spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
762
763 if ((tstate->tagenable & devinfo.target_mask) != 0)
764 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
765 }
766 cts->protocol_version = tinfo->protocol_version;
767 cts->transport_version = tinfo->transport_version;
768
769 spi->sync_period = tinfo->period;
770 spi->sync_offset = tinfo->offset;
771 spi->bus_width = tinfo->width;
772 spi->ppr_options = tinfo->ppr_options;
773
774 cts->protocol = PROTO_SCSI;
775 cts->transport = XPORT_SPI;
776 spi->valid = CTS_SPI_VALID_SYNC_RATE
777 | CTS_SPI_VALID_SYNC_OFFSET
778 | CTS_SPI_VALID_BUS_WIDTH
779 | CTS_SPI_VALID_PPR_OPTIONS;
780
781 if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) {
782 scsi->valid = CTS_SCSI_VALID_TQ;
783 spi->valid |= CTS_SPI_VALID_DISC;
784 } else {
785 scsi->valid = 0;
786 }
787
788 cts->ccb_h.status = CAM_REQ_CMP;
789 }
790
791 static void
792 ahd_async(void *callback_arg, uint32_t code, struct cam_path *path, void *arg)
793 {
794 struct ahd_softc *ahd;
795 struct cam_sim *sim;
796
797 sim = (struct cam_sim *)callback_arg;
798 ahd = (struct ahd_softc *)cam_sim_softc(sim);
799 switch (code) {
800 case AC_LOST_DEVICE:
801 {
802 struct ahd_devinfo devinfo;
803
804 ahd_compile_devinfo(&devinfo, SIM_SCSI_ID(ahd, sim),
805 xpt_path_target_id(path),
806 xpt_path_lun_id(path),
807 SIM_CHANNEL(ahd, sim),
808 ROLE_UNKNOWN);
809
810 /*
811 * Revert to async/narrow transfers
812 * for the next device.
813 */
814 ahd_set_width(ahd, &devinfo, MSG_EXT_WDTR_BUS_8_BIT,
815 AHD_TRANS_GOAL|AHD_TRANS_CUR, /*paused*/FALSE);
816 ahd_set_syncrate(ahd, &devinfo, /*period*/0, /*offset*/0,
817 /*ppr_options*/0, AHD_TRANS_GOAL|AHD_TRANS_CUR,
818 /*paused*/FALSE);
819 break;
820 }
821 default:
822 break;
823 }
824 }
825
826 static void
827 ahd_execute_scb(void *arg, bus_dma_segment_t *dm_segs, int nsegments,
828 int error)
829 {
830 struct scb *scb;
831 union ccb *ccb;
832 struct ahd_softc *ahd;
833 struct ahd_initiator_tinfo *tinfo;
834 struct ahd_tmode_tstate *tstate;
835 u_int mask;
836
837 scb = (struct scb *)arg;
838 ccb = scb->io_ctx;
839 ahd = scb->ahd_softc;
840
841 if (error != 0) {
842 if (error == EFBIG)
843 aic_set_transaction_status(scb, CAM_REQ_TOO_BIG);
844 else
845 aic_set_transaction_status(scb, CAM_REQ_CMP_ERR);
846 if (nsegments != 0)
847 bus_dmamap_unload(ahd->buffer_dmat, scb->dmamap);
848 ahd_free_scb(ahd, scb);
849 xpt_done(ccb);
850 return;
851 }
852 scb->sg_count = 0;
853 if (nsegments != 0) {
854 void *sg;
855 bus_dmasync_op_t op;
856 u_int i;
857
858 /* Copy the segments into our SG list */
859 for (i = nsegments, sg = scb->sg_list; i > 0; i--) {
860
861 sg = ahd_sg_setup(ahd, scb, sg, dm_segs->ds_addr,
862 dm_segs->ds_len,
863 /*last*/i == 1);
864 dm_segs++;
865 }
866
867 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)
868 op = BUS_DMASYNC_PREREAD;
869 else
870 op = BUS_DMASYNC_PREWRITE;
871
872 bus_dmamap_sync(ahd->buffer_dmat, scb->dmamap, op);
873
874 if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) {
875 struct target_data *tdata;
876
877 tdata = &scb->hscb->shared_data.tdata;
878 tdata->target_phases |= DPHASE_PENDING;
879 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT)
880 tdata->data_phase = P_DATAOUT;
881 else
882 tdata->data_phase = P_DATAIN;
883 }
884 }
885
886 /*
887 * Last time we need to check if this SCB needs to
888 * be aborted.
889 */
890 if (aic_get_transaction_status(scb) != CAM_REQ_INPROG) {
891 if (nsegments != 0)
892 bus_dmamap_unload(ahd->buffer_dmat,
893 scb->dmamap);
894 ahd_free_scb(ahd, scb);
895 xpt_done(ccb);
896 return;
897 }
898
899 tinfo = ahd_fetch_transinfo(ahd, SCSIID_CHANNEL(ahd, scb->hscb->scsiid),
900 SCSIID_OUR_ID(scb->hscb->scsiid),
901 SCSIID_TARGET(ahd, scb->hscb->scsiid),
902 &tstate);
903
904 mask = SCB_GET_TARGET_MASK(ahd, scb);
905
906 if ((tstate->discenable & mask) != 0
907 && (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) == 0)
908 scb->hscb->control |= DISCENB;
909
910 if ((tinfo->curr.ppr_options & MSG_EXT_PPR_IU_REQ) != 0) {
911 scb->flags |= SCB_PACKETIZED;
912 if (scb->hscb->task_management != 0)
913 scb->hscb->control &= ~MK_MESSAGE;
914 }
915
916 if ((ccb->ccb_h.flags & CAM_NEGOTIATE) != 0
917 && (tinfo->goal.width != 0
918 || tinfo->goal.period != 0
919 || tinfo->goal.ppr_options != 0)) {
920 scb->flags |= SCB_NEGOTIATE;
921 scb->hscb->control |= MK_MESSAGE;
922 } else if ((tstate->auto_negotiate & mask) != 0) {
923 scb->flags |= SCB_AUTO_NEGOTIATE;
924 scb->hscb->control |= MK_MESSAGE;
925 }
926
927 LIST_INSERT_HEAD(&ahd->pending_scbs, scb, pending_links);
928
929 ccb->ccb_h.status |= CAM_SIM_QUEUED;
930
931 aic_scb_timer_start(scb);
932
933 if ((scb->flags & SCB_TARGET_IMMEDIATE) != 0) {
934 /* Define a mapping from our tag to the SCB. */
935 ahd->scb_data.scbindex[SCB_GET_TAG(scb)] = scb;
936 ahd_pause(ahd);
937 ahd_set_scbptr(ahd, SCB_GET_TAG(scb));
938 ahd_outb(ahd, RETURN_1, CONT_MSG_LOOP_TARG);
939 ahd_unpause(ahd);
940 } else {
941 ahd_queue_scb(ahd, scb);
942 }
943 }
944
945 static void
946 ahd_poll(struct cam_sim *sim)
947 {
948 ahd_intr(cam_sim_softc(sim));
949 }
950
951 static void
952 ahd_setup_data(struct ahd_softc *ahd, struct cam_sim *sim,
953 struct ccb_scsiio *csio, struct scb *scb)
954 {
955 struct hardware_scb *hscb;
956 struct ccb_hdr *ccb_h;
957
958 hscb = scb->hscb;
959 ccb_h = &csio->ccb_h;
960
961 csio->resid = 0;
962 csio->sense_resid = 0;
963 if (ccb_h->func_code == XPT_SCSI_IO) {
964 hscb->cdb_len = csio->cdb_len;
965 if ((ccb_h->flags & CAM_CDB_POINTER) != 0) {
966
967 if (hscb->cdb_len > MAX_CDB_LEN
968 && (ccb_h->flags & CAM_CDB_PHYS) == 0) {
969
970 /*
971 * Should CAM start to support CDB sizes
972 * greater than 16 bytes, we could use
973 * the sense buffer to store the CDB.
974 */
975 aic_set_transaction_status(scb,
976 CAM_REQ_INVALID);
977 ahd_free_scb(ahd, scb);
978 xpt_done((union ccb *)csio);
979 return;
980 }
981 if ((ccb_h->flags & CAM_CDB_PHYS) != 0) {
982 hscb->shared_data.idata.cdb_from_host.cdbptr =
983 aic_htole64((uintptr_t)csio->cdb_io.cdb_ptr);
984 hscb->shared_data.idata.cdb_from_host.cdblen =
985 csio->cdb_len;
986 hscb->cdb_len |= SCB_CDB_LEN_PTR;
987 } else {
988 memcpy(hscb->shared_data.idata.cdb,
989 csio->cdb_io.cdb_ptr,
990 hscb->cdb_len);
991 }
992 } else {
993 if (hscb->cdb_len > MAX_CDB_LEN) {
994
995 aic_set_transaction_status(scb,
996 CAM_REQ_INVALID);
997 ahd_free_scb(ahd, scb);
998 xpt_done((union ccb *)csio);
999 return;
1000 }
1001 memcpy(hscb->shared_data.idata.cdb,
1002 csio->cdb_io.cdb_bytes, hscb->cdb_len);
1003 }
1004 }
1005
1006 /* Only use S/G if there is a transfer */
1007 if ((ccb_h->flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
1008 if ((ccb_h->flags & CAM_SCATTER_VALID) == 0) {
1009 /* We've been given a pointer to a single buffer */
1010 if ((ccb_h->flags & CAM_DATA_PHYS) == 0) {
1011 int error;
1012
1013 crit_enter();
1014 error = bus_dmamap_load(ahd->buffer_dmat,
1015 scb->dmamap,
1016 csio->data_ptr,
1017 csio->dxfer_len,
1018 ahd_execute_scb,
1019 scb, /*flags*/0);
1020 if (error == EINPROGRESS) {
1021 /*
1022 * So as to maintain ordering,
1023 * freeze the controller queue
1024 * until our mapping is
1025 * returned.
1026 */
1027 xpt_freeze_simq(sim,
1028 /*count*/1);
1029 scb->io_ctx->ccb_h.status |=
1030 CAM_RELEASE_SIMQ;
1031 }
1032 crit_exit();
1033 } else {
1034 struct bus_dma_segment seg;
1035
1036 /* Pointer to physical buffer */
1037 if (csio->dxfer_len > AHD_MAXTRANSFER_SIZE)
1038 panic("ahd_setup_data - Transfer size "
1039 "larger than can device max");
1040
1041 seg.ds_addr =
1042 (bus_addr_t)(vm_offset_t)csio->data_ptr;
1043 seg.ds_len = csio->dxfer_len;
1044 ahd_execute_scb(scb, &seg, 1, 0);
1045 }
1046 } else {
1047 struct bus_dma_segment *segs;
1048
1049 if ((ccb_h->flags & CAM_DATA_PHYS) != 0)
1050 panic("ahd_setup_data - Physical segment "
1051 "pointers unsupported");
1052
1053 if ((ccb_h->flags & CAM_SG_LIST_PHYS) == 0)
1054 panic("ahd_setup_data - Virtual segment "
1055 "addresses unsupported");
1056
1057 /* Just use the segments provided */
1058 segs = (struct bus_dma_segment *)csio->data_ptr;
1059 ahd_execute_scb(scb, segs, csio->sglist_cnt, 0);
1060 }
1061 } else {
1062 ahd_execute_scb(scb, NULL, 0, 0);
1063 }
1064 }
1065
1066 static void
1067 ahd_abort_ccb(struct ahd_softc *ahd, struct cam_sim *sim, union ccb *ccb)
1068 {
1069 union ccb *abort_ccb;
1070
1071 abort_ccb = ccb->cab.abort_ccb;
1072 switch (abort_ccb->ccb_h.func_code) {
1073 #ifdef AHD_TARGET_MODE
1074 case XPT_ACCEPT_TARGET_IO:
1075 case XPT_IMMED_NOTIFY:
1076 case XPT_CONT_TARGET_IO:
1077 {
1078 struct ahd_tmode_tstate *tstate;
1079 struct ahd_tmode_lstate *lstate;
1080 struct ccb_hdr_slist *list;
1081 cam_status status;
1082
1083 status = ahd_find_tmode_devs(ahd, sim, abort_ccb, &tstate,
1084 &lstate, TRUE);
1085
1086 if (status != CAM_REQ_CMP) {
1087 ccb->ccb_h.status = status;
1088 break;
1089 }
1090
1091 if (abort_ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO)
1092 list = &lstate->accept_tios;
1093 else if (abort_ccb->ccb_h.func_code == XPT_IMMED_NOTIFY)
1094 list = &lstate->immed_notifies;
1095 else
1096 list = NULL;
1097
1098 if (list != NULL) {
1099 struct ccb_hdr *curelm;
1100 int found;
1101
1102 curelm = SLIST_FIRST(list);
1103 found = 0;
1104 if (curelm == &abort_ccb->ccb_h) {
1105 found = 1;
1106 SLIST_REMOVE_HEAD(list, sim_links.sle);
1107 } else {
1108 while(curelm != NULL) {
1109 struct ccb_hdr *nextelm;
1110
1111 nextelm =
1112 SLIST_NEXT(curelm, sim_links.sle);
1113
1114 if (nextelm == &abort_ccb->ccb_h) {
1115 found = 1;
1116 SLIST_NEXT(curelm,
1117 sim_links.sle) =
1118 SLIST_NEXT(nextelm,
1119 sim_links.sle);
1120 break;
1121 }
1122 curelm = nextelm;
1123 }
1124 }
1125
1126 if (found) {
1127 abort_ccb->ccb_h.status = CAM_REQ_ABORTED;
1128 xpt_done(abort_ccb);
1129 ccb->ccb_h.status = CAM_REQ_CMP;
1130 } else {
1131 xpt_print_path(abort_ccb->ccb_h.path);
1132 kprintf("Not found\n");
1133 ccb->ccb_h.status = CAM_PATH_INVALID;
1134 }
1135 break;
1136 }
1137 /* FALLTHROUGH */
1138 }
1139 #endif
1140 case XPT_SCSI_IO:
1141 /* XXX Fully implement the hard ones */
1142 ccb->ccb_h.status = CAM_UA_ABORT;
1143 break;
1144 default:
1145 ccb->ccb_h.status = CAM_REQ_INVALID;
1146 break;
1147 }
1148 xpt_done(ccb);
1149 }
1150
1151 void
1152 ahd_send_async(struct ahd_softc *ahd, char channel, u_int target,
1153 u_int lun, ac_code code, void *opt_arg)
1154 {
1155 struct ccb_trans_settings cts;
1156 struct cam_path *path;
1157 void *arg;
1158 int error;
1159
1160 arg = NULL;
1161 error = ahd_create_path(ahd, channel, target, lun, &path);
1162
1163 if (error != CAM_REQ_CMP)
1164 return;
1165
1166 switch (code) {
1167 case AC_TRANSFER_NEG:
1168 {
1169 struct ccb_trans_settings_scsi *scsi;
1170
1171 cts.type = CTS_TYPE_CURRENT_SETTINGS;
1172 scsi = &cts.proto_specific.scsi;
1173 cts.ccb_h.path = path;
1174 cts.ccb_h.target_id = target;
1175 cts.ccb_h.target_lun = lun;
1176 ahd_get_tran_settings(ahd, ahd->our_id, channel, &cts);
1177 arg = &cts;
1178 scsi->valid &= ~CTS_SCSI_VALID_TQ;
1179 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB;
1180 if (opt_arg == NULL)
1181 break;
1182 if (*((ahd_queue_alg *)opt_arg) == AHD_QUEUE_TAGGED)
1183 scsi->flags |= ~CTS_SCSI_FLAGS_TAG_ENB;
1184 scsi->valid |= CTS_SCSI_VALID_TQ;
1185 break;
1186 }
1187 case AC_SENT_BDR:
1188 case AC_BUS_RESET:
1189 break;
1190 default:
1191 panic("ahd_send_async: Unexpected async event");
1192 }
1193 xpt_async(code, path, arg);
1194 xpt_free_path(path);
1195 }
1196
1197 void
1198 ahd_platform_set_tags(struct ahd_softc *ahd,
1199 struct ahd_devinfo *devinfo, int enable)
1200 {
1201 }
1202
1203 int
1204 ahd_platform_alloc(struct ahd_softc *ahd, void *platform_arg)
1205 {
1206 ahd->platform_data = kmalloc(sizeof(struct ahd_platform_data), M_DEVBUF,
1207 M_INTWAIT | M_ZERO);
1208 return (0);
1209 }
1210
1211 void
1212 ahd_platform_free(struct ahd_softc *ahd)
1213 {
1214 struct ahd_platform_data *pdata;
1215
1216 pdata = ahd->platform_data;
1217 if (pdata != NULL) {
1218 if (pdata->regs[0] != NULL)
1219 bus_release_resource(ahd->dev_softc,
1220 pdata->regs_res_type[0],
1221 pdata->regs_res_id[0],
1222 pdata->regs[0]);
1223
1224 if (pdata->regs[1] != NULL)
1225 bus_release_resource(ahd->dev_softc,
1226 pdata->regs_res_type[1],
1227 pdata->regs_res_id[1],
1228 pdata->regs[1]);
1229
1230 if (pdata->irq != NULL)
1231 bus_release_resource(ahd->dev_softc,
1232 pdata->irq_res_type,
1233 0, pdata->irq);
1234
1235 if (pdata->sim != NULL) {
1236 xpt_async(AC_LOST_DEVICE, pdata->path, NULL);
1237 xpt_free_path(pdata->path);
1238 xpt_bus_deregister(cam_sim_path(pdata->sim));
1239 cam_sim_free(pdata->sim);
1240 }
1241 if (pdata->eh != NULL)
1242 EVENTHANDLER_DEREGISTER(shutdown_post_sync, pdata->eh);
1243 kfree(ahd->platform_data, M_DEVBUF);
1244 }
1245 }
1246
1247 int
1248 ahd_softc_comp(struct ahd_softc *lahd, struct ahd_softc *rahd)
1249 {
1250 /* We don't sort softcs under FreeBSD so report equal always */
1251 return (0);
1252 }
1253
1254 int
1255 ahd_detach(device_t dev)
1256 {
1257 struct ahd_softc *ahd;
1258
1259 device_printf(dev, "detaching device\n");
1260 ahd = device_get_softc(dev);
1261 ahd_lock(ahd);
1262 TAILQ_REMOVE(&ahd_tailq, ahd, links);
1263 ahd_intr_enable(ahd, FALSE);
1264 bus_teardown_intr(dev, ahd->platform_data->irq, ahd->platform_data->ih);
1265 ahd_unlock(ahd);
1266 ahd_free(ahd);
1267 return (0);
1268 }
1269
1270 #if 0
1271 static void
1272 ahd_dump_targcmd(struct target_cmd *cmd)
1273 {
1274 uint8_t *byte;
1275 uint8_t *last_byte;
1276 int i;
1277
1278 byte = &cmd->initiator_channel;
1279 /* Debugging info for received commands */
1280 last_byte = &cmd[1].initiator_channel;
1281
1282 i = 0;
1283 while (byte < last_byte) {
1284 if (i == 0)
1285 kprintf("\t");
1286 kprintf("%#x", *byte++);
1287 i++;
1288 if (i == 8) {
1289 kprintf("\n");
1290 i = 0;
1291 } else {
1292 kprintf(", ");
1293 }
1294 }
1295 }
1296 #endif
1297
1298 static int
1299 ahd_modevent(module_t mod, int type, void *data)
1300 {
1301 /* XXX Deal with busy status on unload. */
1302 /* XXX Deal with unknown events */
1303 return 0;
1304 }
1305
1306 static moduledata_t ahd_mod = {
1307 "ahd",
1308 ahd_modevent,
1309 NULL
1310 };
1311
1312 /********************************** DDB Hooks *********************************/
1313 #ifdef DDB
1314 static struct ahd_softc *ahd_ddb_softc;
1315 static int ahd_ddb_paused;
1316 static int ahd_ddb_paused_on_entry;
1317 DB_COMMAND(ahd_sunit, ahd_ddb_sunit)
1318 {
1319 struct ahd_softc *list_ahd;
1320
1321 ahd_ddb_softc = NULL;
1322 TAILQ_FOREACH(list_ahd, &ahd_tailq, links) {
1323 if (list_ahd->unit == addr)
1324 ahd_ddb_softc = list_ahd;
1325 }
1326 if (ahd_ddb_softc == NULL)
1327 db_error("No matching softc found!\n");
1328 }
1329
1330 DB_COMMAND(ahd_pause, ahd_ddb_pause)
1331 {
1332 if (ahd_ddb_softc == NULL) {
1333 db_error("Must set unit with ahd_sunit first!\n");
1334 return;
1335 }
1336 if (ahd_ddb_paused == 0) {
1337 ahd_ddb_paused++;
1338 if (ahd_is_paused(ahd_ddb_softc)) {
1339 ahd_ddb_paused_on_entry++;
1340 return;
1341 }
1342 ahd_pause(ahd_ddb_softc);
1343 }
1344 }
1345
1346 DB_COMMAND(ahd_unpause, ahd_ddb_unpause)
1347 {
1348 if (ahd_ddb_softc == NULL) {
1349 db_error("Must set unit with ahd_sunit first!\n");
1350 return;
1351 }
1352 if (ahd_ddb_paused != 0) {
1353 ahd_ddb_paused = 0;
1354 if (ahd_ddb_paused_on_entry)
1355 return;
1356 ahd_unpause(ahd_ddb_softc);
1357 } else if (ahd_ddb_paused_on_entry != 0) {
1358 /* Two unpauses to clear a paused on entry. */
1359 ahd_ddb_paused_on_entry = 0;
1360 ahd_unpause(ahd_ddb_softc);
1361 }
1362 }
1363
1364 DB_COMMAND(ahd_in, ahd_ddb_in)
1365 {
1366 int c;
1367 int size;
1368
1369 if (ahd_ddb_softc == NULL) {
1370 db_error("Must set unit with ahd_sunit first!\n");
1371 return;
1372 }
1373 if (have_addr == 0)
1374 return;
1375
1376 size = 1;
1377 while ((c = *modif++) != '\0') {
1378 switch (c) {
1379 case 'b':
1380 size = 1;
1381 break;
1382 case 'w':
1383 size = 2;
1384 break;
1385 case 'l':
1386 size = 4;
1387 break;
1388 }
1389 }
1390
1391 if (count <= 0)
1392 count = 1;
1393 while (--count >= 0) {
1394 db_printf("%04lx (M)%x: \t", (u_long)addr,
1395 ahd_inb(ahd_ddb_softc, MODE_PTR));
1396 switch (size) {
1397 case 1:
1398 db_printf("%02x\n", ahd_inb(ahd_ddb_softc, addr));
1399 break;
1400 case 2:
1401 db_printf("%04x\n", ahd_inw(ahd_ddb_softc, addr));
1402 break;
1403 case 4:
1404 db_printf("%08x\n", ahd_inl(ahd_ddb_softc, addr));
1405 break;
1406 }
1407 }
1408 }
1409
1410 DB_SET(ahd_out, ahd_ddb_out, db_cmd_set, CS_MORE, NULL)
1411 {
1412 db_expr_t old_value;
1413 db_expr_t new_value;
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
1421 switch (modif[0]) {
1422 case '\0':
1423 case 'b':
1424 size = 1;
1425 break;
1426 case 'h':
1427 size = 2;
1428 break;
1429 case 'l':
1430 size = 4;
1431 break;
1432 default:
1433 db_error("Unknown size\n");
1434 return;
1435 }
1436
1437 while (db_expression(&new_value)) {
1438 switch (size) {
1439 default:
1440 case 1:
1441 old_value = ahd_inb(ahd_ddb_softc, addr);
1442 ahd_outb(ahd_ddb_softc, addr, new_value);
1443 break;
1444 case 2:
1445 old_value = ahd_inw(ahd_ddb_softc, addr);
1446 ahd_outw(ahd_ddb_softc, addr, new_value);
1447 break;
1448 case 4:
1449 old_value = ahd_inl(ahd_ddb_softc, addr);
1450 ahd_outl(ahd_ddb_softc, addr, new_value);
1451 break;
1452 }
1453 db_printf("%04lx (M)%x: \t0x%lx\t=\t0x%lx",
1454 (u_long)addr, ahd_inb(ahd_ddb_softc, MODE_PTR),
1455 (u_long)old_value, (u_long)new_value);
1456 addr += size;
1457 }
1458 db_skip_to_eol();
1459 }
1460
1461 DB_COMMAND(ahd_dump, ahd_ddb_dump)
1462 {
1463 if (ahd_ddb_softc == NULL) {
1464 db_error("Must set unit with ahd_sunit first!\n");
1465 return;
1466 }
1467 ahd_dump_card_state(ahd_ddb_softc);
1468 }
1469
1470 #endif
1471
1472
1473 DECLARE_MODULE(ahd, ahd_mod, SI_SUB_DRIVERS, SI_ORDER_MIDDLE);
1474 MODULE_DEPEND(ahd, cam, 1, 1, 1);
1475 MODULE_VERSION(ahd, 1);
DragonFly BSD