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 35 #include <sys/cdefs.h> 36 __FBSDID("$FreeBSD$"); 37 38 #include <dev/aic7xxx/aic79xx_osm.h> 39 #include <dev/aic7xxx/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 <dev/aic7xxx/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 const char *ahd_sysctl_node_elements[] = { 81 "root", 82 "summary", 83 "debug" 84 }; 85 86 #ifndef NO_SYSCTL_DESCR 87 static const char *ahd_sysctl_node_descriptions[] = { 88 "root error collection for aic79xx controllers", 89 "summary collection for aic79xx controllers", 90 "debug collection for aic79xx controllers" 91 }; 92 #endif 93 94 static const char *ahd_sysctl_errors_elements[] = { 95 "Cerrors", 96 "Uerrors", 97 "Ferrors" 98 }; 99 100 #ifndef NO_SYSCTL_DESCR 101 static const char *ahd_sysctl_errors_descriptions[] = { 102 "Correctable errors", 103 "Uncorrectable errors", 104 "Fatal errors" 105 }; 106 #endif 107 108 static int 109 ahd_set_debugcounters(SYSCTL_HANDLER_ARGS) 110 { 111 struct ahd_softc *sc; 112 int error, tmpv; 113 114 tmpv = 0; 115 sc = arg1; 116 error = sysctl_handle_int(oidp, &tmpv, 0, req); 117 if (error != 0 || req->newptr == NULL) 118 return (error); 119 if (tmpv < 0 || tmpv >= AHD_ERRORS_NUMBER) 120 return (EINVAL); 121 sc->summerr[arg2] = tmpv; 122 return (0); 123 } 124 125 static int 126 ahd_clear_allcounters(SYSCTL_HANDLER_ARGS) 127 { 128 struct ahd_softc *sc; 129 int error, tmpv; 130 131 tmpv = 0; 132 sc = arg1; 133 error = sysctl_handle_int(oidp, &tmpv, 0, req); 134 if (error != 0 || req->newptr == NULL) 135 return (error); 136 if (tmpv != 0) 137 bzero(sc->summerr, sizeof(sc->summerr)); 138 return (0); 139 } 140 141 static int 142 ahd_create_path(struct ahd_softc *ahd, char channel, u_int target, 143 u_int lun, struct cam_path **path) 144 { 145 path_id_t path_id; 146 147 path_id = cam_sim_path(ahd->platform_data->sim); 148 return (xpt_create_path(path, /*periph*/NULL, 149 path_id, target, lun)); 150 } 151 152 void 153 ahd_sysctl(struct ahd_softc *ahd) 154 { 155 u_int i; 156 157 for (i = 0; i < AHD_SYSCTL_NUMBER; i++) 158 sysctl_ctx_init(&ahd->sysctl_ctx[i]); 159 160 ahd->sysctl_tree[AHD_SYSCTL_ROOT] = 161 SYSCTL_ADD_NODE(&ahd->sysctl_ctx[AHD_SYSCTL_ROOT], 162 SYSCTL_STATIC_CHILDREN(_hw), OID_AUTO, 163 device_get_nameunit(ahd->dev_softc), 164 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, 165 ahd_sysctl_node_descriptions[AHD_SYSCTL_ROOT]); 166 SYSCTL_ADD_PROC(&ahd->sysctl_ctx[AHD_SYSCTL_ROOT], 167 SYSCTL_CHILDREN(ahd->sysctl_tree[AHD_SYSCTL_ROOT]), OID_AUTO, 168 "clear", CTLTYPE_UINT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, ahd, 169 0, ahd_clear_allcounters, "IU", "Clear all counters"); 170 171 for (i = AHD_SYSCTL_SUMMARY; i < AHD_SYSCTL_NUMBER; i++) 172 ahd->sysctl_tree[i] = 173 SYSCTL_ADD_NODE(&ahd->sysctl_ctx[i], 174 SYSCTL_CHILDREN(ahd->sysctl_tree[AHD_SYSCTL_ROOT]), 175 OID_AUTO, ahd_sysctl_node_elements[i], 176 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, 177 ahd_sysctl_node_descriptions[i]); 178 179 for (i = AHD_ERRORS_CORRECTABLE; i < AHD_ERRORS_NUMBER; i++) { 180 SYSCTL_ADD_UINT(&ahd->sysctl_ctx[AHD_SYSCTL_SUMMARY], 181 SYSCTL_CHILDREN(ahd->sysctl_tree[AHD_SYSCTL_SUMMARY]), 182 OID_AUTO, ahd_sysctl_errors_elements[i], 183 CTLFLAG_RD, &ahd->summerr[i], i, 184 ahd_sysctl_errors_descriptions[i]); 185 SYSCTL_ADD_PROC(&ahd->sysctl_ctx[AHD_SYSCTL_DEBUG], 186 SYSCTL_CHILDREN(ahd->sysctl_tree[AHD_SYSCTL_DEBUG]), 187 OID_AUTO, ahd_sysctl_errors_elements[i], 188 CTLFLAG_RW | CTLTYPE_UINT | CTLFLAG_NEEDGIANT, ahd, i, 189 ahd_set_debugcounters, "IU", 190 ahd_sysctl_errors_descriptions[i]); 191 } 192 } 193 194 int 195 ahd_map_int(struct ahd_softc *ahd) 196 { 197 int error; 198 199 /* Hook up our interrupt handler */ 200 error = bus_setup_intr(ahd->dev_softc, ahd->platform_data->irq, 201 INTR_TYPE_CAM|INTR_MPSAFE, NULL, 202 ahd_platform_intr, ahd, &ahd->platform_data->ih); 203 if (error != 0) 204 device_printf(ahd->dev_softc, "bus_setup_intr() failed: %d\n", 205 error); 206 return (error); 207 } 208 209 /* 210 * Attach all the sub-devices we can find 211 */ 212 int 213 ahd_attach(struct ahd_softc *ahd) 214 { 215 char ahd_info[256]; 216 struct ccb_setasync csa; 217 struct cam_devq *devq; 218 struct cam_sim *sim; 219 struct cam_path *path; 220 int count; 221 222 count = 0; 223 devq = NULL; 224 sim = NULL; 225 path = NULL; 226 227 /* 228 * Create a thread to perform all recovery. 229 */ 230 if (ahd_spawn_recovery_thread(ahd) != 0) 231 goto fail; 232 233 ahd_controller_info(ahd, ahd_info); 234 printf("%s\n", ahd_info); 235 ahd_lock(ahd); 236 237 /* 238 * Create the device queue for our SIM(s). 239 */ 240 devq = cam_simq_alloc(AHD_MAX_QUEUE); 241 if (devq == NULL) 242 goto fail; 243 244 /* 245 * Construct our SIM entry 246 */ 247 sim = cam_sim_alloc(ahd_action, ahd_poll, "ahd", ahd, 248 device_get_unit(ahd->dev_softc), 249 &ahd->platform_data->mtx, 1, /*XXX*/256, devq); 250 if (sim == NULL) { 251 cam_simq_free(devq); 252 goto fail; 253 } 254 255 if (xpt_bus_register(sim, ahd->dev_softc, /*bus_id*/0) != CAM_SUCCESS) { 256 cam_sim_free(sim, /*free_devq*/TRUE); 257 sim = NULL; 258 goto fail; 259 } 260 261 if (xpt_create_path(&path, /*periph*/NULL, 262 cam_sim_path(sim), CAM_TARGET_WILDCARD, 263 CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 264 xpt_bus_deregister(cam_sim_path(sim)); 265 cam_sim_free(sim, /*free_devq*/TRUE); 266 sim = NULL; 267 goto fail; 268 } 269 270 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5); 271 csa.ccb_h.func_code = XPT_SASYNC_CB; 272 csa.event_enable = AC_LOST_DEVICE; 273 csa.callback = ahd_async; 274 csa.callback_arg = sim; 275 xpt_action((union ccb *)&csa); 276 count++; 277 278 fail: 279 ahd->platform_data->sim = sim; 280 ahd->platform_data->path = path; 281 ahd_unlock(ahd); 282 if (count != 0) { 283 /* We have to wait until after any system dumps... */ 284 ahd->platform_data->eh = 285 EVENTHANDLER_REGISTER(shutdown_final, ahd_shutdown, 286 ahd, SHUTDOWN_PRI_DEFAULT); 287 ahd_intr_enable(ahd, TRUE); 288 } 289 290 return (count); 291 } 292 293 /* 294 * Catch an interrupt from the adapter 295 */ 296 void 297 ahd_platform_intr(void *arg) 298 { 299 struct ahd_softc *ahd; 300 301 ahd = (struct ahd_softc *)arg; 302 ahd_lock(ahd); 303 ahd_intr(ahd); 304 ahd_unlock(ahd); 305 } 306 307 /* 308 * We have an scb which has been processed by the 309 * adaptor, now we look to see how the operation 310 * went. 311 */ 312 void 313 ahd_done(struct ahd_softc *ahd, struct scb *scb) 314 { 315 union ccb *ccb; 316 317 CAM_DEBUG(scb->io_ctx->ccb_h.path, CAM_DEBUG_TRACE, 318 ("ahd_done - scb %d\n", SCB_GET_TAG(scb))); 319 320 ccb = scb->io_ctx; 321 LIST_REMOVE(scb, pending_links); 322 if ((scb->flags & SCB_TIMEDOUT) != 0) 323 LIST_REMOVE(scb, timedout_links); 324 325 callout_stop(&scb->io_timer); 326 327 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 328 bus_dmasync_op_t op; 329 330 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) 331 op = BUS_DMASYNC_POSTREAD; 332 else 333 op = BUS_DMASYNC_POSTWRITE; 334 bus_dmamap_sync(ahd->buffer_dmat, scb->dmamap, op); 335 bus_dmamap_unload(ahd->buffer_dmat, scb->dmamap); 336 } 337 338 #ifdef AHD_TARGET_MODE 339 if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) { 340 struct cam_path *ccb_path; 341 342 /* 343 * If we have finally disconnected, clean up our 344 * pending device state. 345 * XXX - There may be error states that cause where 346 * we will remain connected. 347 */ 348 ccb_path = ccb->ccb_h.path; 349 if (ahd->pending_device != NULL 350 && xpt_path_comp(ahd->pending_device->path, ccb_path) == 0) { 351 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) != 0) { 352 ahd->pending_device = NULL; 353 } else { 354 xpt_print_path(ccb->ccb_h.path); 355 printf("Still disconnected\n"); 356 ahd_freeze_ccb(ccb); 357 } 358 } 359 360 if (aic_get_transaction_status(scb) == CAM_REQ_INPROG) 361 ccb->ccb_h.status |= CAM_REQ_CMP; 362 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 363 ahd_free_scb(ahd, scb); 364 xpt_done(ccb); 365 return; 366 } 367 #endif 368 369 if ((scb->flags & SCB_RECOVERY_SCB) != 0) { 370 struct scb *list_scb; 371 372 ahd->scb_data.recovery_scbs--; 373 374 if (aic_get_transaction_status(scb) == CAM_BDR_SENT 375 || aic_get_transaction_status(scb) == CAM_REQ_ABORTED) 376 aic_set_transaction_status(scb, CAM_CMD_TIMEOUT); 377 378 if (ahd->scb_data.recovery_scbs == 0) { 379 /* 380 * All recovery actions have completed successfully, 381 * so reinstate the timeouts for all other pending 382 * commands. 383 */ 384 LIST_FOREACH(list_scb, 385 &ahd->pending_scbs, pending_links) { 386 aic_scb_timer_reset(list_scb, 387 aic_get_timeout(scb)); 388 } 389 390 ahd_print_path(ahd, scb); 391 printf("no longer in timeout, status = %x\n", 392 ccb->ccb_h.status); 393 } 394 } 395 396 /* Don't clobber any existing error state */ 397 if (aic_get_transaction_status(scb) == CAM_REQ_INPROG) { 398 ccb->ccb_h.status |= CAM_REQ_CMP; 399 } else if ((scb->flags & SCB_SENSE) != 0) { 400 /* 401 * We performed autosense retrieval. 402 * 403 * Zero any sense not transferred by the 404 * device. The SCSI spec mandates that any 405 * untransfered data should be assumed to be 406 * zero. Complete the 'bounce' of sense information 407 * through buffers accessible via bus-space by 408 * copying it into the clients csio. 409 */ 410 memset(&ccb->csio.sense_data, 0, sizeof(ccb->csio.sense_data)); 411 memcpy(&ccb->csio.sense_data, 412 ahd_get_sense_buf(ahd, scb), 413 /* XXX What size do we want to use??? */ 414 sizeof(ccb->csio.sense_data) 415 - ccb->csio.sense_resid); 416 scb->io_ctx->ccb_h.status |= CAM_AUTOSNS_VALID; 417 } else if ((scb->flags & SCB_PKT_SENSE) != 0) { 418 struct scsi_status_iu_header *siu; 419 u_int sense_len; 420 421 /* 422 * Copy only the sense data into the provided buffer. 423 */ 424 siu = (struct scsi_status_iu_header *)scb->sense_data; 425 sense_len = MIN(scsi_4btoul(siu->sense_length), 426 sizeof(ccb->csio.sense_data)); 427 memset(&ccb->csio.sense_data, 0, sizeof(ccb->csio.sense_data)); 428 memcpy(&ccb->csio.sense_data, 429 ahd_get_sense_buf(ahd, scb) + SIU_SENSE_OFFSET(siu), 430 sense_len); 431 #ifdef AHD_DEBUG 432 if ((ahd_debug & AHD_SHOW_SENSE) != 0) { 433 uint8_t *sense_data = (uint8_t *)&ccb->csio.sense_data; 434 u_int i; 435 436 printf("Copied %d bytes of sense data offset %d:", 437 sense_len, SIU_SENSE_OFFSET(siu)); 438 for (i = 0; i < sense_len; i++) 439 printf(" 0x%x", *sense_data++); 440 printf("\n"); 441 } 442 #endif 443 scb->io_ctx->ccb_h.status |= CAM_AUTOSNS_VALID; 444 } 445 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 446 ahd_free_scb(ahd, scb); 447 xpt_done(ccb); 448 } 449 450 static void 451 ahd_action(struct cam_sim *sim, union ccb *ccb) 452 { 453 struct ahd_softc *ahd; 454 #ifdef AHD_TARGET_MODE 455 struct ahd_tmode_lstate *lstate; 456 #endif 457 u_int target_id; 458 u_int our_id; 459 460 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("ahd_action\n")); 461 462 ahd = (struct ahd_softc *)cam_sim_softc(sim); 463 464 target_id = ccb->ccb_h.target_id; 465 our_id = SIM_SCSI_ID(ahd, sim); 466 467 switch (ccb->ccb_h.func_code) { 468 /* Common cases first */ 469 #ifdef AHD_TARGET_MODE 470 case XPT_ACCEPT_TARGET_IO: /* Accept Host Target Mode CDB */ 471 case XPT_CONT_TARGET_IO:/* Continue Host Target I/O Connection*/ 472 { 473 struct ahd_tmode_tstate *tstate; 474 cam_status status; 475 476 status = ahd_find_tmode_devs(ahd, sim, ccb, &tstate, 477 &lstate, TRUE); 478 479 if (status != CAM_REQ_CMP) { 480 if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) { 481 /* Response from the black hole device */ 482 tstate = NULL; 483 lstate = ahd->black_hole; 484 } else { 485 ccb->ccb_h.status = status; 486 xpt_done(ccb); 487 break; 488 } 489 } 490 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { 491 SLIST_INSERT_HEAD(&lstate->accept_tios, &ccb->ccb_h, 492 sim_links.sle); 493 ccb->ccb_h.status = CAM_REQ_INPROG; 494 if ((ahd->flags & AHD_TQINFIFO_BLOCKED) != 0) 495 ahd_run_tqinfifo(ahd, /*paused*/FALSE); 496 break; 497 } 498 499 /* 500 * The target_id represents the target we attempt to 501 * select. In target mode, this is the initiator of 502 * the original command. 503 */ 504 our_id = target_id; 505 target_id = ccb->csio.init_id; 506 /* FALLTHROUGH */ 507 } 508 #endif 509 case XPT_SCSI_IO: /* Execute the requested I/O operation */ 510 case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */ 511 { 512 struct scb *scb; 513 struct hardware_scb *hscb; 514 struct ahd_initiator_tinfo *tinfo; 515 struct ahd_tmode_tstate *tstate; 516 u_int col_idx; 517 518 if ((ahd->flags & AHD_INITIATORROLE) == 0 519 && (ccb->ccb_h.func_code == XPT_SCSI_IO 520 || ccb->ccb_h.func_code == XPT_RESET_DEV)) { 521 ccb->ccb_h.status = CAM_PROVIDE_FAIL; 522 xpt_done(ccb); 523 return; 524 } 525 526 /* 527 * get an scb to use. 528 */ 529 tinfo = ahd_fetch_transinfo(ahd, 'A', our_id, 530 target_id, &tstate); 531 if ((ccb->ccb_h.flags & CAM_TAG_ACTION_VALID) == 0 532 || (tinfo->curr.ppr_options & MSG_EXT_PPR_IU_REQ) != 0 533 || ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) { 534 col_idx = AHD_NEVER_COL_IDX; 535 } else { 536 col_idx = AHD_BUILD_COL_IDX(target_id, 537 ccb->ccb_h.target_lun); 538 } 539 if ((scb = ahd_get_scb(ahd, col_idx)) == NULL) { 540 xpt_freeze_simq(sim, /*count*/1); 541 ahd->flags |= AHD_RESOURCE_SHORTAGE; 542 ccb->ccb_h.status = CAM_REQUEUE_REQ; 543 xpt_done(ccb); 544 return; 545 } 546 547 hscb = scb->hscb; 548 549 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_SUBTRACE, 550 ("start scb(%p)\n", scb)); 551 scb->io_ctx = ccb; 552 /* 553 * So we can find the SCB when an abort is requested 554 */ 555 ccb->ccb_h.ccb_scb_ptr = scb; 556 557 /* 558 * Put all the arguments for the xfer in the scb 559 */ 560 hscb->control = 0; 561 hscb->scsiid = BUILD_SCSIID(ahd, sim, target_id, our_id); 562 hscb->lun = ccb->ccb_h.target_lun; 563 if (ccb->ccb_h.func_code == XPT_RESET_DEV) { 564 hscb->cdb_len = 0; 565 scb->flags |= SCB_DEVICE_RESET; 566 hscb->control |= MK_MESSAGE; 567 hscb->task_management = SIU_TASKMGMT_LUN_RESET; 568 ahd_execute_scb(scb, NULL, 0, 0); 569 } else { 570 #ifdef AHD_TARGET_MODE 571 if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) { 572 struct target_data *tdata; 573 574 tdata = &hscb->shared_data.tdata; 575 if (ahd->pending_device == lstate) 576 scb->flags |= SCB_TARGET_IMMEDIATE; 577 hscb->control |= TARGET_SCB; 578 tdata->target_phases = 0; 579 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) != 0) { 580 tdata->target_phases |= SPHASE_PENDING; 581 tdata->scsi_status = 582 ccb->csio.scsi_status; 583 } 584 if (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) 585 tdata->target_phases |= NO_DISCONNECT; 586 587 tdata->initiator_tag = 588 ahd_htole16(ccb->csio.tag_id); 589 } 590 #endif 591 hscb->task_management = 0; 592 if (ccb->ccb_h.flags & CAM_TAG_ACTION_VALID) 593 hscb->control |= ccb->csio.tag_action; 594 595 ahd_setup_data(ahd, sim, &ccb->csio, scb); 596 } 597 break; 598 } 599 #ifdef AHD_TARGET_MODE 600 case XPT_NOTIFY_ACKNOWLEDGE: 601 case XPT_IMMEDIATE_NOTIFY: 602 { 603 struct ahd_tmode_tstate *tstate; 604 struct ahd_tmode_lstate *lstate; 605 cam_status status; 606 607 status = ahd_find_tmode_devs(ahd, sim, ccb, &tstate, 608 &lstate, TRUE); 609 610 if (status != CAM_REQ_CMP) { 611 ccb->ccb_h.status = status; 612 xpt_done(ccb); 613 break; 614 } 615 SLIST_INSERT_HEAD(&lstate->immed_notifies, &ccb->ccb_h, 616 sim_links.sle); 617 ccb->ccb_h.status = CAM_REQ_INPROG; 618 ahd_send_lstate_events(ahd, lstate); 619 break; 620 } 621 case XPT_EN_LUN: /* Enable LUN as a target */ 622 ahd_handle_en_lun(ahd, sim, ccb); 623 xpt_done(ccb); 624 break; 625 #endif 626 case XPT_ABORT: /* Abort the specified CCB */ 627 { 628 ahd_abort_ccb(ahd, sim, ccb); 629 break; 630 } 631 case XPT_SET_TRAN_SETTINGS: 632 { 633 ahd_set_tran_settings(ahd, SIM_SCSI_ID(ahd, sim), 634 SIM_CHANNEL(ahd, sim), &ccb->cts); 635 xpt_done(ccb); 636 break; 637 } 638 case XPT_GET_TRAN_SETTINGS: 639 /* Get default/user set transfer settings for the target */ 640 { 641 ahd_get_tran_settings(ahd, SIM_SCSI_ID(ahd, sim), 642 SIM_CHANNEL(ahd, sim), &ccb->cts); 643 xpt_done(ccb); 644 break; 645 } 646 case XPT_CALC_GEOMETRY: 647 { 648 aic_calc_geometry(&ccb->ccg, ahd->flags & AHD_EXTENDED_TRANS_A); 649 xpt_done(ccb); 650 break; 651 } 652 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 653 { 654 int found; 655 656 found = ahd_reset_channel(ahd, SIM_CHANNEL(ahd, sim), 657 /*initiate reset*/TRUE); 658 if (bootverbose) { 659 xpt_print_path(SIM_PATH(ahd, sim)); 660 printf("SCSI bus reset delivered. " 661 "%d SCBs aborted.\n", found); 662 } 663 ccb->ccb_h.status = CAM_REQ_CMP; 664 xpt_done(ccb); 665 break; 666 } 667 case XPT_TERM_IO: /* Terminate the I/O process */ 668 /* XXX Implement */ 669 ccb->ccb_h.status = CAM_REQ_INVALID; 670 xpt_done(ccb); 671 break; 672 case XPT_PATH_INQ: /* Path routing inquiry */ 673 { 674 struct ccb_pathinq *cpi = &ccb->cpi; 675 676 cpi->version_num = 1; /* XXX??? */ 677 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE; 678 if ((ahd->features & AHD_WIDE) != 0) 679 cpi->hba_inquiry |= PI_WIDE_16; 680 if ((ahd->features & AHD_TARGETMODE) != 0) { 681 cpi->target_sprt = PIT_PROCESSOR 682 | PIT_DISCONNECT 683 | PIT_TERM_IO; 684 } else { 685 cpi->target_sprt = 0; 686 } 687 cpi->hba_misc = 0; 688 cpi->hba_eng_cnt = 0; 689 cpi->max_target = (ahd->features & AHD_WIDE) ? 15 : 7; 690 cpi->max_lun = AHD_NUM_LUNS_NONPKT - 1; 691 cpi->initiator_id = ahd->our_id; 692 if ((ahd->flags & AHD_RESET_BUS_A) == 0) { 693 cpi->hba_misc |= PIM_NOBUSRESET; 694 } 695 cpi->bus_id = cam_sim_bus(sim); 696 cpi->base_transfer_speed = 3300; 697 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 698 strlcpy(cpi->hba_vid, "Adaptec", HBA_IDLEN); 699 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 700 cpi->unit_number = cam_sim_unit(sim); 701 cpi->protocol = PROTO_SCSI; 702 cpi->protocol_version = SCSI_REV_2; 703 cpi->transport = XPORT_SPI; 704 cpi->transport_version = 4; 705 cpi->xport_specific.spi.ppr_options = SID_SPI_CLOCK_DT_ST 706 | SID_SPI_IUS 707 | SID_SPI_QAS; 708 cpi->ccb_h.status = CAM_REQ_CMP; 709 xpt_done(ccb); 710 break; 711 } 712 default: 713 ccb->ccb_h.status = CAM_PROVIDE_FAIL; 714 xpt_done(ccb); 715 break; 716 } 717 } 718 719 static void 720 ahd_set_tran_settings(struct ahd_softc *ahd, int our_id, char channel, 721 struct ccb_trans_settings *cts) 722 { 723 struct ahd_devinfo devinfo; 724 struct ccb_trans_settings_scsi *scsi; 725 struct ccb_trans_settings_spi *spi; 726 struct ahd_initiator_tinfo *tinfo; 727 struct ahd_tmode_tstate *tstate; 728 uint16_t *discenable; 729 uint16_t *tagenable; 730 u_int update_type; 731 732 scsi = &cts->proto_specific.scsi; 733 spi = &cts->xport_specific.spi; 734 ahd_compile_devinfo(&devinfo, SIM_SCSI_ID(ahd, sim), 735 cts->ccb_h.target_id, 736 cts->ccb_h.target_lun, 737 SIM_CHANNEL(ahd, sim), 738 ROLE_UNKNOWN); 739 tinfo = ahd_fetch_transinfo(ahd, devinfo.channel, 740 devinfo.our_scsiid, 741 devinfo.target, &tstate); 742 update_type = 0; 743 if (cts->type == CTS_TYPE_CURRENT_SETTINGS) { 744 update_type |= AHD_TRANS_GOAL; 745 discenable = &tstate->discenable; 746 tagenable = &tstate->tagenable; 747 tinfo->curr.protocol_version = cts->protocol_version; 748 tinfo->curr.transport_version = cts->transport_version; 749 tinfo->goal.protocol_version = cts->protocol_version; 750 tinfo->goal.transport_version = cts->transport_version; 751 } else if (cts->type == CTS_TYPE_USER_SETTINGS) { 752 update_type |= AHD_TRANS_USER; 753 discenable = &ahd->user_discenable; 754 tagenable = &ahd->user_tagenable; 755 tinfo->user.protocol_version = cts->protocol_version; 756 tinfo->user.transport_version = cts->transport_version; 757 } else { 758 cts->ccb_h.status = CAM_REQ_INVALID; 759 return; 760 } 761 762 if ((spi->valid & CTS_SPI_VALID_DISC) != 0) { 763 if ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0) 764 *discenable |= devinfo.target_mask; 765 else 766 *discenable &= ~devinfo.target_mask; 767 } 768 769 if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 770 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) 771 *tagenable |= devinfo.target_mask; 772 else 773 *tagenable &= ~devinfo.target_mask; 774 } 775 776 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) { 777 ahd_validate_width(ahd, /*tinfo limit*/NULL, 778 &spi->bus_width, ROLE_UNKNOWN); 779 ahd_set_width(ahd, &devinfo, spi->bus_width, 780 update_type, /*paused*/FALSE); 781 } 782 783 if ((spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0) { 784 if (update_type == AHD_TRANS_USER) 785 spi->ppr_options = tinfo->user.ppr_options; 786 else 787 spi->ppr_options = tinfo->goal.ppr_options; 788 } 789 790 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0) { 791 if (update_type == AHD_TRANS_USER) 792 spi->sync_offset = tinfo->user.offset; 793 else 794 spi->sync_offset = tinfo->goal.offset; 795 } 796 797 if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) { 798 if (update_type == AHD_TRANS_USER) 799 spi->sync_period = tinfo->user.period; 800 else 801 spi->sync_period = tinfo->goal.period; 802 } 803 804 if (((spi->valid & CTS_SPI_VALID_SYNC_RATE) != 0) 805 || ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) != 0)) { 806 u_int maxsync; 807 808 maxsync = AHD_SYNCRATE_MAX; 809 810 if (spi->bus_width != MSG_EXT_WDTR_BUS_16_BIT) 811 spi->ppr_options &= ~MSG_EXT_PPR_DT_REQ; 812 813 if ((*discenable & devinfo.target_mask) == 0) 814 spi->ppr_options &= ~MSG_EXT_PPR_IU_REQ; 815 816 ahd_find_syncrate(ahd, &spi->sync_period, 817 &spi->ppr_options, maxsync); 818 ahd_validate_offset(ahd, /*tinfo limit*/NULL, 819 spi->sync_period, &spi->sync_offset, 820 spi->bus_width, ROLE_UNKNOWN); 821 822 /* We use a period of 0 to represent async */ 823 if (spi->sync_offset == 0) { 824 spi->sync_period = 0; 825 spi->ppr_options = 0; 826 } 827 828 ahd_set_syncrate(ahd, &devinfo, spi->sync_period, 829 spi->sync_offset, spi->ppr_options, 830 update_type, /*paused*/FALSE); 831 } 832 cts->ccb_h.status = CAM_REQ_CMP; 833 } 834 835 static void 836 ahd_get_tran_settings(struct ahd_softc *ahd, int our_id, char channel, 837 struct ccb_trans_settings *cts) 838 { 839 struct ahd_devinfo devinfo; 840 struct ccb_trans_settings_scsi *scsi; 841 struct ccb_trans_settings_spi *spi; 842 struct ahd_initiator_tinfo *targ_info; 843 struct ahd_tmode_tstate *tstate; 844 struct ahd_transinfo *tinfo; 845 846 scsi = &cts->proto_specific.scsi; 847 spi = &cts->xport_specific.spi; 848 ahd_compile_devinfo(&devinfo, our_id, 849 cts->ccb_h.target_id, 850 cts->ccb_h.target_lun, 851 channel, ROLE_UNKNOWN); 852 targ_info = ahd_fetch_transinfo(ahd, devinfo.channel, 853 devinfo.our_scsiid, 854 devinfo.target, &tstate); 855 856 if (cts->type == CTS_TYPE_CURRENT_SETTINGS) 857 tinfo = &targ_info->curr; 858 else 859 tinfo = &targ_info->user; 860 861 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 862 spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB; 863 if (cts->type == CTS_TYPE_USER_SETTINGS) { 864 if ((ahd->user_discenable & devinfo.target_mask) != 0) 865 spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 866 867 if ((ahd->user_tagenable & devinfo.target_mask) != 0) 868 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 869 } else { 870 if ((tstate->discenable & devinfo.target_mask) != 0) 871 spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 872 873 if ((tstate->tagenable & devinfo.target_mask) != 0) 874 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 875 } 876 cts->protocol_version = tinfo->protocol_version; 877 cts->transport_version = tinfo->transport_version; 878 879 spi->sync_period = tinfo->period; 880 spi->sync_offset = tinfo->offset; 881 spi->bus_width = tinfo->width; 882 spi->ppr_options = tinfo->ppr_options; 883 884 cts->protocol = PROTO_SCSI; 885 cts->transport = XPORT_SPI; 886 spi->valid = CTS_SPI_VALID_SYNC_RATE 887 | CTS_SPI_VALID_SYNC_OFFSET 888 | CTS_SPI_VALID_BUS_WIDTH 889 | CTS_SPI_VALID_PPR_OPTIONS; 890 891 if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) { 892 scsi->valid = CTS_SCSI_VALID_TQ; 893 spi->valid |= CTS_SPI_VALID_DISC; 894 } else { 895 scsi->valid = 0; 896 } 897 898 cts->ccb_h.status = CAM_REQ_CMP; 899 } 900 901 static void 902 ahd_async(void *callback_arg, uint32_t code, struct cam_path *path, void *arg) 903 { 904 struct ahd_softc *ahd; 905 struct cam_sim *sim; 906 907 sim = (struct cam_sim *)callback_arg; 908 ahd = (struct ahd_softc *)cam_sim_softc(sim); 909 switch (code) { 910 case AC_LOST_DEVICE: 911 { 912 struct ahd_devinfo devinfo; 913 914 ahd_compile_devinfo(&devinfo, SIM_SCSI_ID(ahd, sim), 915 xpt_path_target_id(path), 916 xpt_path_lun_id(path), 917 SIM_CHANNEL(ahd, sim), 918 ROLE_UNKNOWN); 919 920 /* 921 * Revert to async/narrow transfers 922 * for the next device. 923 */ 924 ahd_set_width(ahd, &devinfo, MSG_EXT_WDTR_BUS_8_BIT, 925 AHD_TRANS_GOAL|AHD_TRANS_CUR, /*paused*/FALSE); 926 ahd_set_syncrate(ahd, &devinfo, /*period*/0, /*offset*/0, 927 /*ppr_options*/0, AHD_TRANS_GOAL|AHD_TRANS_CUR, 928 /*paused*/FALSE); 929 break; 930 } 931 default: 932 break; 933 } 934 } 935 936 static void 937 ahd_execute_scb(void *arg, bus_dma_segment_t *dm_segs, int nsegments, 938 int error) 939 { 940 struct scb *scb; 941 union ccb *ccb; 942 struct ahd_softc *ahd; 943 struct ahd_initiator_tinfo *tinfo; 944 struct ahd_tmode_tstate *tstate; 945 u_int mask; 946 947 scb = (struct scb *)arg; 948 ccb = scb->io_ctx; 949 ahd = scb->ahd_softc; 950 951 if (error != 0) { 952 if (error == EFBIG) 953 aic_set_transaction_status(scb, CAM_REQ_TOO_BIG); 954 else 955 aic_set_transaction_status(scb, CAM_REQ_CMP_ERR); 956 if (nsegments != 0) 957 bus_dmamap_unload(ahd->buffer_dmat, scb->dmamap); 958 ahd_free_scb(ahd, scb); 959 xpt_done(ccb); 960 return; 961 } 962 scb->sg_count = 0; 963 if (nsegments != 0) { 964 void *sg; 965 bus_dmasync_op_t op; 966 u_int i; 967 968 /* Copy the segments into our SG list */ 969 for (i = nsegments, sg = scb->sg_list; i > 0; i--) { 970 sg = ahd_sg_setup(ahd, scb, sg, dm_segs->ds_addr, 971 dm_segs->ds_len, 972 /*last*/i == 1); 973 dm_segs++; 974 } 975 976 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) 977 op = BUS_DMASYNC_PREREAD; 978 else 979 op = BUS_DMASYNC_PREWRITE; 980 981 bus_dmamap_sync(ahd->buffer_dmat, scb->dmamap, op); 982 983 if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) { 984 struct target_data *tdata; 985 986 tdata = &scb->hscb->shared_data.tdata; 987 tdata->target_phases |= DPHASE_PENDING; 988 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) 989 tdata->data_phase = P_DATAOUT; 990 else 991 tdata->data_phase = P_DATAIN; 992 } 993 } 994 995 /* 996 * Last time we need to check if this SCB needs to 997 * be aborted. 998 */ 999 if (aic_get_transaction_status(scb) != CAM_REQ_INPROG) { 1000 if (nsegments != 0) 1001 bus_dmamap_unload(ahd->buffer_dmat, 1002 scb->dmamap); 1003 ahd_free_scb(ahd, scb); 1004 xpt_done(ccb); 1005 return; 1006 } 1007 1008 tinfo = ahd_fetch_transinfo(ahd, SCSIID_CHANNEL(ahd, scb->hscb->scsiid), 1009 SCSIID_OUR_ID(scb->hscb->scsiid), 1010 SCSIID_TARGET(ahd, scb->hscb->scsiid), 1011 &tstate); 1012 1013 mask = SCB_GET_TARGET_MASK(ahd, scb); 1014 1015 if ((tstate->discenable & mask) != 0 1016 && (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) == 0) 1017 scb->hscb->control |= DISCENB; 1018 1019 if ((tinfo->curr.ppr_options & MSG_EXT_PPR_IU_REQ) != 0) { 1020 scb->flags |= SCB_PACKETIZED; 1021 if (scb->hscb->task_management != 0) 1022 scb->hscb->control &= ~MK_MESSAGE; 1023 } 1024 1025 if ((ccb->ccb_h.flags & CAM_NEGOTIATE) != 0 1026 && (tinfo->goal.width != 0 1027 || tinfo->goal.period != 0 1028 || tinfo->goal.ppr_options != 0)) { 1029 scb->flags |= SCB_NEGOTIATE; 1030 scb->hscb->control |= MK_MESSAGE; 1031 } else if ((tstate->auto_negotiate & mask) != 0) { 1032 scb->flags |= SCB_AUTO_NEGOTIATE; 1033 scb->hscb->control |= MK_MESSAGE; 1034 } 1035 1036 LIST_INSERT_HEAD(&ahd->pending_scbs, scb, pending_links); 1037 1038 ccb->ccb_h.status |= CAM_SIM_QUEUED; 1039 1040 aic_scb_timer_start(scb); 1041 1042 if ((scb->flags & SCB_TARGET_IMMEDIATE) != 0) { 1043 /* Define a mapping from our tag to the SCB. */ 1044 ahd->scb_data.scbindex[SCB_GET_TAG(scb)] = scb; 1045 ahd_pause(ahd); 1046 ahd_set_scbptr(ahd, SCB_GET_TAG(scb)); 1047 ahd_outb(ahd, RETURN_1, CONT_MSG_LOOP_TARG); 1048 ahd_unpause(ahd); 1049 } else { 1050 ahd_queue_scb(ahd, scb); 1051 } 1052 1053 } 1054 1055 static void 1056 ahd_poll(struct cam_sim *sim) 1057 { 1058 ahd_intr(cam_sim_softc(sim)); 1059 } 1060 1061 static void 1062 ahd_setup_data(struct ahd_softc *ahd, struct cam_sim *sim, 1063 struct ccb_scsiio *csio, struct scb *scb) 1064 { 1065 struct hardware_scb *hscb; 1066 struct ccb_hdr *ccb_h; 1067 int error; 1068 1069 hscb = scb->hscb; 1070 ccb_h = &csio->ccb_h; 1071 1072 csio->resid = 0; 1073 csio->sense_resid = 0; 1074 if (ccb_h->func_code == XPT_SCSI_IO) { 1075 hscb->cdb_len = csio->cdb_len; 1076 if ((ccb_h->flags & CAM_CDB_POINTER) != 0) { 1077 if (hscb->cdb_len > MAX_CDB_LEN 1078 && (ccb_h->flags & CAM_CDB_PHYS) == 0) { 1079 /* 1080 * Should CAM start to support CDB sizes 1081 * greater than 16 bytes, we could use 1082 * the sense buffer to store the CDB. 1083 */ 1084 aic_set_transaction_status(scb, 1085 CAM_REQ_INVALID); 1086 ahd_free_scb(ahd, scb); 1087 xpt_done((union ccb *)csio); 1088 return; 1089 } 1090 if ((ccb_h->flags & CAM_CDB_PHYS) != 0) { 1091 hscb->shared_data.idata.cdb_from_host.cdbptr = 1092 aic_htole64((uintptr_t)csio->cdb_io.cdb_ptr); 1093 hscb->shared_data.idata.cdb_from_host.cdblen = 1094 csio->cdb_len; 1095 hscb->cdb_len |= SCB_CDB_LEN_PTR; 1096 } else { 1097 memcpy(hscb->shared_data.idata.cdb, 1098 csio->cdb_io.cdb_ptr, 1099 hscb->cdb_len); 1100 } 1101 } else { 1102 if (hscb->cdb_len > MAX_CDB_LEN) { 1103 aic_set_transaction_status(scb, 1104 CAM_REQ_INVALID); 1105 ahd_free_scb(ahd, scb); 1106 xpt_done((union ccb *)csio); 1107 return; 1108 } 1109 memcpy(hscb->shared_data.idata.cdb, 1110 csio->cdb_io.cdb_bytes, hscb->cdb_len); 1111 } 1112 } 1113 1114 error = bus_dmamap_load_ccb(ahd->buffer_dmat, 1115 scb->dmamap, 1116 (union ccb *)csio, 1117 ahd_execute_scb, 1118 scb, /*flags*/0); 1119 if (error == EINPROGRESS) { 1120 /* 1121 * So as to maintain ordering, freeze the controller queue 1122 * until our mapping is returned. 1123 */ 1124 xpt_freeze_simq(sim, /*count*/1); 1125 scb->io_ctx->ccb_h.status |= CAM_RELEASE_SIMQ; 1126 } 1127 } 1128 1129 static void 1130 ahd_abort_ccb(struct ahd_softc *ahd, struct cam_sim *sim, union ccb *ccb) 1131 { 1132 union ccb *abort_ccb; 1133 1134 abort_ccb = ccb->cab.abort_ccb; 1135 switch (abort_ccb->ccb_h.func_code) { 1136 #ifdef AHD_TARGET_MODE 1137 case XPT_ACCEPT_TARGET_IO: 1138 case XPT_IMMEDIATE_NOTIFY: 1139 case XPT_CONT_TARGET_IO: 1140 { 1141 struct ahd_tmode_tstate *tstate; 1142 struct ahd_tmode_lstate *lstate; 1143 struct ccb_hdr_slist *list; 1144 cam_status status; 1145 1146 status = ahd_find_tmode_devs(ahd, sim, abort_ccb, &tstate, 1147 &lstate, TRUE); 1148 1149 if (status != CAM_REQ_CMP) { 1150 ccb->ccb_h.status = status; 1151 break; 1152 } 1153 1154 if (abort_ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) 1155 list = &lstate->accept_tios; 1156 else if (abort_ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) 1157 list = &lstate->immed_notifies; 1158 else 1159 list = NULL; 1160 1161 if (list != NULL) { 1162 struct ccb_hdr *curelm; 1163 int found; 1164 1165 curelm = SLIST_FIRST(list); 1166 found = 0; 1167 if (curelm == &abort_ccb->ccb_h) { 1168 found = 1; 1169 SLIST_REMOVE_HEAD(list, sim_links.sle); 1170 } else { 1171 while(curelm != NULL) { 1172 struct ccb_hdr *nextelm; 1173 1174 nextelm = 1175 SLIST_NEXT(curelm, sim_links.sle); 1176 1177 if (nextelm == &abort_ccb->ccb_h) { 1178 found = 1; 1179 SLIST_NEXT(curelm, 1180 sim_links.sle) = 1181 SLIST_NEXT(nextelm, 1182 sim_links.sle); 1183 break; 1184 } 1185 curelm = nextelm; 1186 } 1187 } 1188 1189 if (found) { 1190 abort_ccb->ccb_h.status = CAM_REQ_ABORTED; 1191 xpt_done(abort_ccb); 1192 ccb->ccb_h.status = CAM_REQ_CMP; 1193 } else { 1194 xpt_print_path(abort_ccb->ccb_h.path); 1195 printf("Not found\n"); 1196 ccb->ccb_h.status = CAM_PATH_INVALID; 1197 } 1198 break; 1199 } 1200 /* FALLTHROUGH */ 1201 } 1202 #endif 1203 case XPT_SCSI_IO: 1204 /* XXX Fully implement the hard ones */ 1205 ccb->ccb_h.status = CAM_UA_ABORT; 1206 break; 1207 default: 1208 ccb->ccb_h.status = CAM_REQ_INVALID; 1209 break; 1210 } 1211 xpt_done(ccb); 1212 } 1213 1214 void 1215 ahd_send_async(struct ahd_softc *ahd, char channel, u_int target, 1216 u_int lun, ac_code code, void *opt_arg) 1217 { 1218 struct ccb_trans_settings cts; 1219 struct cam_path *path; 1220 void *arg; 1221 int error; 1222 1223 arg = NULL; 1224 error = ahd_create_path(ahd, channel, target, lun, &path); 1225 1226 if (error != CAM_REQ_CMP) 1227 return; 1228 1229 switch (code) { 1230 case AC_TRANSFER_NEG: 1231 { 1232 struct ccb_trans_settings_scsi *scsi; 1233 1234 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1235 scsi = &cts.proto_specific.scsi; 1236 cts.ccb_h.path = path; 1237 cts.ccb_h.target_id = target; 1238 cts.ccb_h.target_lun = lun; 1239 ahd_get_tran_settings(ahd, ahd->our_id, channel, &cts); 1240 arg = &cts; 1241 scsi->valid &= ~CTS_SCSI_VALID_TQ; 1242 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 1243 if (opt_arg == NULL) 1244 break; 1245 if (*((ahd_queue_alg *)opt_arg) == AHD_QUEUE_TAGGED) 1246 scsi->flags |= ~CTS_SCSI_FLAGS_TAG_ENB; 1247 scsi->valid |= CTS_SCSI_VALID_TQ; 1248 break; 1249 } 1250 case AC_SENT_BDR: 1251 case AC_BUS_RESET: 1252 break; 1253 default: 1254 panic("ahd_send_async: Unexpected async event"); 1255 } 1256 xpt_async(code, path, arg); 1257 xpt_free_path(path); 1258 } 1259 1260 void 1261 ahd_platform_set_tags(struct ahd_softc *ahd, 1262 struct ahd_devinfo *devinfo, int enable) 1263 { 1264 } 1265 1266 int 1267 ahd_platform_alloc(struct ahd_softc *ahd, void *platform_arg) 1268 { 1269 ahd->platform_data = malloc(sizeof(struct ahd_platform_data), M_DEVBUF, 1270 M_NOWAIT | M_ZERO); 1271 if (ahd->platform_data == NULL) 1272 return (ENOMEM); 1273 return (0); 1274 } 1275 1276 void 1277 ahd_platform_free(struct ahd_softc *ahd) 1278 { 1279 struct ahd_platform_data *pdata; 1280 1281 pdata = ahd->platform_data; 1282 if (pdata != NULL) { 1283 if (pdata->regs[0] != NULL) 1284 bus_release_resource(ahd->dev_softc, 1285 pdata->regs_res_type[0], 1286 pdata->regs_res_id[0], 1287 pdata->regs[0]); 1288 1289 if (pdata->regs[1] != NULL) 1290 bus_release_resource(ahd->dev_softc, 1291 pdata->regs_res_type[1], 1292 pdata->regs_res_id[1], 1293 pdata->regs[1]); 1294 1295 if (pdata->irq != NULL) 1296 bus_release_resource(ahd->dev_softc, 1297 pdata->irq_res_type, 1298 0, pdata->irq); 1299 1300 if (pdata->sim != NULL) { 1301 xpt_async(AC_LOST_DEVICE, pdata->path, NULL); 1302 xpt_free_path(pdata->path); 1303 xpt_bus_deregister(cam_sim_path(pdata->sim)); 1304 cam_sim_free(pdata->sim, /*free_devq*/TRUE); 1305 } 1306 if (pdata->eh != NULL) 1307 EVENTHANDLER_DEREGISTER(shutdown_final, pdata->eh); 1308 free(ahd->platform_data, M_DEVBUF); 1309 } 1310 } 1311 1312 int 1313 ahd_softc_comp(struct ahd_softc *lahd, struct ahd_softc *rahd) 1314 { 1315 /* We don't sort softcs under FreeBSD so report equal always */ 1316 return (0); 1317 } 1318 1319 int 1320 ahd_detach(device_t dev) 1321 { 1322 struct ahd_softc *ahd; 1323 1324 device_printf(dev, "detaching device\n"); 1325 ahd = device_get_softc(dev); 1326 ahd_lock(ahd); 1327 TAILQ_REMOVE(&ahd_tailq, ahd, links); 1328 ahd_intr_enable(ahd, FALSE); 1329 bus_teardown_intr(dev, ahd->platform_data->irq, ahd->platform_data->ih); 1330 ahd_unlock(ahd); 1331 ahd_free(ahd); 1332 return (0); 1333 } 1334 1335 #if 0 1336 static void 1337 ahd_dump_targcmd(struct target_cmd *cmd) 1338 { 1339 uint8_t *byte; 1340 uint8_t *last_byte; 1341 int i; 1342 1343 byte = &cmd->initiator_channel; 1344 /* Debugging info for received commands */ 1345 last_byte = &cmd[1].initiator_channel; 1346 1347 i = 0; 1348 while (byte < last_byte) { 1349 if (i == 0) 1350 printf("\t"); 1351 printf("%#x", *byte++); 1352 i++; 1353 if (i == 8) { 1354 printf("\n"); 1355 i = 0; 1356 } else { 1357 printf(", "); 1358 } 1359 } 1360 } 1361 #endif 1362 1363 static int 1364 ahd_modevent(module_t mod, int type, void *data) 1365 { 1366 /* XXX Deal with busy status on unload. */ 1367 /* XXX Deal with unknown events */ 1368 return 0; 1369 } 1370 1371 static moduledata_t ahd_mod = { 1372 "ahd", 1373 ahd_modevent, 1374 NULL 1375 }; 1376 1377 /********************************** DDB Hooks *********************************/ 1378 #ifdef DDB 1379 static struct ahd_softc *ahd_ddb_softc; 1380 static int ahd_ddb_paused; 1381 static int ahd_ddb_paused_on_entry; 1382 DB_COMMAND(ahd_sunit, ahd_ddb_sunit) 1383 { 1384 struct ahd_softc *list_ahd; 1385 1386 ahd_ddb_softc = NULL; 1387 TAILQ_FOREACH(list_ahd, &ahd_tailq, links) { 1388 if (list_ahd->unit == addr) 1389 ahd_ddb_softc = list_ahd; 1390 } 1391 if (ahd_ddb_softc == NULL) 1392 db_error("No matching softc found!\n"); 1393 } 1394 1395 DB_COMMAND(ahd_pause, ahd_ddb_pause) 1396 { 1397 if (ahd_ddb_softc == NULL) { 1398 db_error("Must set unit with ahd_sunit first!\n"); 1399 return; 1400 } 1401 if (ahd_ddb_paused == 0) { 1402 ahd_ddb_paused++; 1403 if (ahd_is_paused(ahd_ddb_softc)) { 1404 ahd_ddb_paused_on_entry++; 1405 return; 1406 } 1407 ahd_pause(ahd_ddb_softc); 1408 } 1409 } 1410 1411 DB_COMMAND(ahd_unpause, ahd_ddb_unpause) 1412 { 1413 if (ahd_ddb_softc == NULL) { 1414 db_error("Must set unit with ahd_sunit first!\n"); 1415 return; 1416 } 1417 if (ahd_ddb_paused != 0) { 1418 ahd_ddb_paused = 0; 1419 if (ahd_ddb_paused_on_entry) 1420 return; 1421 ahd_unpause(ahd_ddb_softc); 1422 } else if (ahd_ddb_paused_on_entry != 0) { 1423 /* Two unpauses to clear a paused on entry. */ 1424 ahd_ddb_paused_on_entry = 0; 1425 ahd_unpause(ahd_ddb_softc); 1426 } 1427 } 1428 1429 DB_COMMAND(ahd_in, ahd_ddb_in) 1430 { 1431 int c; 1432 int size; 1433 1434 if (ahd_ddb_softc == NULL) { 1435 db_error("Must set unit with ahd_sunit first!\n"); 1436 return; 1437 } 1438 if (have_addr == 0) 1439 return; 1440 1441 size = 1; 1442 while ((c = *modif++) != '\0') { 1443 switch (c) { 1444 case 'b': 1445 size = 1; 1446 break; 1447 case 'w': 1448 size = 2; 1449 break; 1450 case 'l': 1451 size = 4; 1452 break; 1453 } 1454 } 1455 1456 if (count <= 0) 1457 count = 1; 1458 while (--count >= 0) { 1459 db_printf("%04lx (M)%x: \t", (u_long)addr, 1460 ahd_inb(ahd_ddb_softc, MODE_PTR)); 1461 switch (size) { 1462 case 1: 1463 db_printf("%02x\n", ahd_inb(ahd_ddb_softc, addr)); 1464 break; 1465 case 2: 1466 db_printf("%04x\n", ahd_inw(ahd_ddb_softc, addr)); 1467 break; 1468 case 4: 1469 db_printf("%08x\n", ahd_inl(ahd_ddb_softc, addr)); 1470 break; 1471 } 1472 } 1473 } 1474 1475 DB_FUNC(ahd_out, ahd_ddb_out, db_cmd_table, CS_MORE, NULL) 1476 { 1477 db_expr_t old_value; 1478 db_expr_t new_value; 1479 int size; 1480 1481 if (ahd_ddb_softc == NULL) { 1482 db_error("Must set unit with ahd_sunit first!\n"); 1483 return; 1484 } 1485 1486 switch (modif[0]) { 1487 case '\0': 1488 case 'b': 1489 size = 1; 1490 break; 1491 case 'h': 1492 size = 2; 1493 break; 1494 case 'l': 1495 size = 4; 1496 break; 1497 default: 1498 db_error("Unknown size\n"); 1499 return; 1500 } 1501 1502 while (db_expression(&new_value)) { 1503 switch (size) { 1504 default: 1505 case 1: 1506 old_value = ahd_inb(ahd_ddb_softc, addr); 1507 ahd_outb(ahd_ddb_softc, addr, new_value); 1508 break; 1509 case 2: 1510 old_value = ahd_inw(ahd_ddb_softc, addr); 1511 ahd_outw(ahd_ddb_softc, addr, new_value); 1512 break; 1513 case 4: 1514 old_value = ahd_inl(ahd_ddb_softc, addr); 1515 ahd_outl(ahd_ddb_softc, addr, new_value); 1516 break; 1517 } 1518 db_printf("%04lx (M)%x: \t0x%lx\t=\t0x%lx", 1519 (u_long)addr, ahd_inb(ahd_ddb_softc, MODE_PTR), 1520 (u_long)old_value, (u_long)new_value); 1521 addr += size; 1522 } 1523 db_skip_to_eol(); 1524 } 1525 1526 DB_COMMAND(ahd_dump, ahd_ddb_dump) 1527 { 1528 if (ahd_ddb_softc == NULL) { 1529 db_error("Must set unit with ahd_sunit first!\n"); 1530 return; 1531 } 1532 ahd_dump_card_state(ahd_ddb_softc); 1533 } 1534 1535 #endif 1536 1537 DECLARE_MODULE(ahd, ahd_mod, SI_SUB_DRIVERS, SI_ORDER_MIDDLE); 1538 MODULE_DEPEND(ahd, cam, 1, 1, 1); 1539 MODULE_VERSION(ahd, 1); 1540