1 /*- 2 * Bus independent FreeBSD shim for the aic7xxx based Adaptec SCSI controllers 3 * 4 * Copyright (c) 1994-2001 Justin T. Gibbs. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions, and the following disclaimer, 12 * without modification. 13 * 2. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * Alternatively, this software may be distributed under the terms of the 17 * GNU Public License ("GPL"). 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * $Id: //depot/aic7xxx/freebsd/dev/aic7xxx/aic7xxx_osm.c#20 $ 32 */ 33 34 #include <sys/cdefs.h> 35 #include <dev/aic7xxx/aic7xxx_osm.h> 36 #include <dev/aic7xxx/aic7xxx_inline.h> 37 38 #include <sys/kthread.h> 39 40 #ifndef AHC_TMODE_ENABLE 41 #define AHC_TMODE_ENABLE 0 42 #endif 43 44 #include <dev/aic7xxx/aic_osm_lib.c> 45 46 #define ccb_scb_ptr spriv_ptr0 47 48 #if 0 49 static void ahc_dump_targcmd(struct target_cmd *cmd); 50 #endif 51 static int ahc_modevent(module_t mod, int type, void *data); 52 static void ahc_action(struct cam_sim *sim, union ccb *ccb); 53 static void ahc_get_tran_settings(struct ahc_softc *ahc, 54 int our_id, char channel, 55 struct ccb_trans_settings *cts); 56 static void ahc_async(void *callback_arg, uint32_t code, 57 struct cam_path *path, void *arg); 58 static void ahc_execute_scb(void *arg, bus_dma_segment_t *dm_segs, 59 int nsegments, int error); 60 static void ahc_poll(struct cam_sim *sim); 61 static void ahc_setup_data(struct ahc_softc *ahc, struct cam_sim *sim, 62 struct ccb_scsiio *csio, struct scb *scb); 63 static void ahc_abort_ccb(struct ahc_softc *ahc, struct cam_sim *sim, 64 union ccb *ccb); 65 static int ahc_create_path(struct ahc_softc *ahc, 66 char channel, u_int target, u_int lun, 67 struct cam_path **path); 68 69 static int 70 ahc_create_path(struct ahc_softc *ahc, char channel, u_int target, 71 u_int lun, struct cam_path **path) 72 { 73 path_id_t path_id; 74 75 if (channel == 'B') 76 path_id = cam_sim_path(ahc->platform_data->sim_b); 77 else 78 path_id = cam_sim_path(ahc->platform_data->sim); 79 80 return (xpt_create_path(path, /*periph*/NULL, 81 path_id, target, lun)); 82 } 83 84 int 85 ahc_map_int(struct ahc_softc *ahc) 86 { 87 int error; 88 int zero; 89 int shareable; 90 91 zero = 0; 92 shareable = (ahc->flags & AHC_EDGE_INTERRUPT) ? 0: RF_SHAREABLE; 93 ahc->platform_data->irq = 94 bus_alloc_resource_any(ahc->dev_softc, SYS_RES_IRQ, &zero, 95 RF_ACTIVE | shareable); 96 if (ahc->platform_data->irq == NULL) { 97 device_printf(ahc->dev_softc, 98 "bus_alloc_resource() failed to allocate IRQ\n"); 99 return (ENOMEM); 100 } 101 ahc->platform_data->irq_res_type = SYS_RES_IRQ; 102 103 /* Hook up our interrupt handler */ 104 error = bus_setup_intr(ahc->dev_softc, ahc->platform_data->irq, 105 INTR_TYPE_CAM|INTR_MPSAFE, NULL, 106 ahc_platform_intr, ahc, &ahc->platform_data->ih); 107 108 if (error != 0) 109 device_printf(ahc->dev_softc, "bus_setup_intr() failed: %d\n", 110 error); 111 return (error); 112 } 113 114 int 115 aic7770_map_registers(struct ahc_softc *ahc, u_int unused_ioport_arg) 116 { 117 struct resource *regs; 118 int rid; 119 120 rid = 0; 121 regs = bus_alloc_resource_any(ahc->dev_softc, SYS_RES_IOPORT, &rid, 122 RF_ACTIVE); 123 if (regs == NULL) { 124 device_printf(ahc->dev_softc, "Unable to map I/O space?!\n"); 125 return ENOMEM; 126 } 127 ahc->platform_data->regs_res_type = SYS_RES_IOPORT; 128 ahc->platform_data->regs_res_id = rid; 129 ahc->platform_data->regs = regs; 130 ahc->tag = rman_get_bustag(regs); 131 ahc->bsh = rman_get_bushandle(regs); 132 return (0); 133 } 134 135 /* 136 * Attach all the sub-devices we can find 137 */ 138 int 139 ahc_attach(struct ahc_softc *ahc) 140 { 141 char ahc_info[256]; 142 struct ccb_setasync csa; 143 struct cam_devq *devq; 144 int bus_id; 145 int bus_id2; 146 struct cam_sim *sim; 147 struct cam_sim *sim2; 148 struct cam_path *path; 149 struct cam_path *path2; 150 int count; 151 152 count = 0; 153 sim = NULL; 154 sim2 = NULL; 155 path = NULL; 156 path2 = NULL; 157 158 /* 159 * Create a thread to perform all recovery. 160 */ 161 if (ahc_spawn_recovery_thread(ahc) != 0) 162 goto fail; 163 164 ahc_controller_info(ahc, ahc_info); 165 printf("%s\n", ahc_info); 166 ahc_lock(ahc); 167 168 /* 169 * Attach secondary channel first if the user has 170 * declared it the primary channel. 171 */ 172 if ((ahc->features & AHC_TWIN) != 0 173 && (ahc->flags & AHC_PRIMARY_CHANNEL) != 0) { 174 bus_id = 1; 175 bus_id2 = 0; 176 } else { 177 bus_id = 0; 178 bus_id2 = 1; 179 } 180 181 /* 182 * Create the device queue for our SIM(s). 183 */ 184 devq = cam_simq_alloc(AHC_MAX_QUEUE); 185 if (devq == NULL) 186 goto fail; 187 188 /* 189 * Construct our first channel SIM entry 190 */ 191 sim = cam_sim_alloc(ahc_action, ahc_poll, "ahc", ahc, 192 device_get_unit(ahc->dev_softc), 193 &ahc->platform_data->mtx, 1, AHC_MAX_QUEUE, devq); 194 if (sim == NULL) { 195 cam_simq_free(devq); 196 goto fail; 197 } 198 199 if (xpt_bus_register(sim, ahc->dev_softc, bus_id) != CAM_SUCCESS) { 200 cam_sim_free(sim, /*free_devq*/TRUE); 201 sim = NULL; 202 goto fail; 203 } 204 205 if (xpt_create_path(&path, /*periph*/NULL, 206 cam_sim_path(sim), CAM_TARGET_WILDCARD, 207 CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 208 xpt_bus_deregister(cam_sim_path(sim)); 209 cam_sim_free(sim, /*free_devq*/TRUE); 210 sim = NULL; 211 goto fail; 212 } 213 214 memset(&csa, 0, sizeof(csa)); 215 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5); 216 csa.ccb_h.func_code = XPT_SASYNC_CB; 217 csa.event_enable = AC_LOST_DEVICE; 218 csa.callback = ahc_async; 219 csa.callback_arg = sim; 220 xpt_action((union ccb *)&csa); 221 count++; 222 223 if (ahc->features & AHC_TWIN) { 224 sim2 = cam_sim_alloc(ahc_action, ahc_poll, "ahc", 225 ahc, device_get_unit(ahc->dev_softc), 226 &ahc->platform_data->mtx, 1, 227 AHC_MAX_QUEUE, devq); 228 229 if (sim2 == NULL) { 230 printf("ahc_attach: Unable to attach second " 231 "bus due to resource shortage"); 232 goto fail; 233 } 234 235 if (xpt_bus_register(sim2, ahc->dev_softc, bus_id2) != 236 CAM_SUCCESS) { 237 printf("ahc_attach: Unable to attach second " 238 "bus due to resource shortage"); 239 /* 240 * We do not want to destroy the device queue 241 * because the first bus is using it. 242 */ 243 cam_sim_free(sim2, /*free_devq*/FALSE); 244 goto fail; 245 } 246 247 if (xpt_create_path(&path2, /*periph*/NULL, 248 cam_sim_path(sim2), 249 CAM_TARGET_WILDCARD, 250 CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 251 xpt_bus_deregister(cam_sim_path(sim2)); 252 cam_sim_free(sim2, /*free_devq*/FALSE); 253 sim2 = NULL; 254 goto fail; 255 } 256 xpt_setup_ccb(&csa.ccb_h, path2, /*priority*/5); 257 csa.ccb_h.func_code = XPT_SASYNC_CB; 258 csa.event_enable = AC_LOST_DEVICE; 259 csa.callback = ahc_async; 260 csa.callback_arg = sim2; 261 xpt_action((union ccb *)&csa); 262 count++; 263 } 264 265 fail: 266 if ((ahc->features & AHC_TWIN) != 0 267 && (ahc->flags & AHC_PRIMARY_CHANNEL) != 0) { 268 ahc->platform_data->sim_b = sim; 269 ahc->platform_data->path_b = path; 270 ahc->platform_data->sim = sim2; 271 ahc->platform_data->path = path2; 272 } else { 273 ahc->platform_data->sim = sim; 274 ahc->platform_data->path = path; 275 ahc->platform_data->sim_b = sim2; 276 ahc->platform_data->path_b = path2; 277 } 278 ahc_unlock(ahc); 279 280 if (count != 0) { 281 /* We have to wait until after any system dumps... */ 282 ahc->platform_data->eh = 283 EVENTHANDLER_REGISTER(shutdown_final, ahc_shutdown, 284 ahc, SHUTDOWN_PRI_DEFAULT); 285 ahc_intr_enable(ahc, TRUE); 286 } 287 288 return (count); 289 } 290 291 /* 292 * Catch an interrupt from the adapter 293 */ 294 void 295 ahc_platform_intr(void *arg) 296 { 297 struct ahc_softc *ahc; 298 299 ahc = (struct ahc_softc *)arg; 300 ahc_lock(ahc); 301 ahc_intr(ahc); 302 ahc_unlock(ahc); 303 } 304 305 /* 306 * We have an scb which has been processed by the 307 * adaptor, now we look to see how the operation 308 * went. 309 */ 310 void 311 ahc_done(struct ahc_softc *ahc, struct scb *scb) 312 { 313 union ccb *ccb; 314 315 CAM_DEBUG(scb->io_ctx->ccb_h.path, CAM_DEBUG_TRACE, 316 ("ahc_done - scb %d\n", scb->hscb->tag)); 317 318 ccb = scb->io_ctx; 319 LIST_REMOVE(scb, pending_links); 320 if ((scb->flags & SCB_TIMEDOUT) != 0) 321 LIST_REMOVE(scb, timedout_links); 322 if ((scb->flags & SCB_UNTAGGEDQ) != 0) { 323 struct scb_tailq *untagged_q; 324 int target_offset; 325 326 target_offset = SCB_GET_TARGET_OFFSET(ahc, scb); 327 untagged_q = &ahc->untagged_queues[target_offset]; 328 TAILQ_REMOVE(untagged_q, scb, links.tqe); 329 scb->flags &= ~SCB_UNTAGGEDQ; 330 ahc_run_untagged_queue(ahc, untagged_q); 331 } 332 333 callout_stop(&scb->io_timer); 334 335 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 336 bus_dmasync_op_t op; 337 338 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) 339 op = BUS_DMASYNC_POSTREAD; 340 else 341 op = BUS_DMASYNC_POSTWRITE; 342 bus_dmamap_sync(ahc->buffer_dmat, scb->dmamap, op); 343 bus_dmamap_unload(ahc->buffer_dmat, scb->dmamap); 344 } 345 346 if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) { 347 struct cam_path *ccb_path; 348 349 /* 350 * If we have finally disconnected, clean up our 351 * pending device state. 352 * XXX - There may be error states that cause where 353 * we will remain connected. 354 */ 355 ccb_path = ccb->ccb_h.path; 356 if (ahc->pending_device != NULL 357 && xpt_path_comp(ahc->pending_device->path, ccb_path) == 0) { 358 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) != 0) { 359 ahc->pending_device = NULL; 360 } else { 361 if (bootverbose) { 362 xpt_print_path(ccb->ccb_h.path); 363 printf("Still connected\n"); 364 } 365 aic_freeze_ccb(ccb); 366 } 367 } 368 369 if (aic_get_transaction_status(scb) == CAM_REQ_INPROG) 370 ccb->ccb_h.status |= CAM_REQ_CMP; 371 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 372 ahc_free_scb(ahc, scb); 373 xpt_done(ccb); 374 return; 375 } 376 377 /* 378 * If the recovery SCB completes, we have to be 379 * out of our timeout. 380 */ 381 if ((scb->flags & SCB_RECOVERY_SCB) != 0) { 382 struct scb *list_scb; 383 384 ahc->scb_data->recovery_scbs--; 385 386 if (aic_get_transaction_status(scb) == CAM_BDR_SENT 387 || aic_get_transaction_status(scb) == CAM_REQ_ABORTED) 388 aic_set_transaction_status(scb, CAM_CMD_TIMEOUT); 389 390 if (ahc->scb_data->recovery_scbs == 0) { 391 /* 392 * All recovery actions have completed successfully, 393 * so reinstate the timeouts for all other pending 394 * commands. 395 */ 396 LIST_FOREACH(list_scb, &ahc->pending_scbs, 397 pending_links) { 398 aic_scb_timer_reset(list_scb, 399 aic_get_timeout(scb)); 400 } 401 402 ahc_print_path(ahc, scb); 403 printf("no longer in timeout, status = %x\n", 404 ccb->ccb_h.status); 405 } 406 } 407 408 /* Don't clobber any existing error state */ 409 if (aic_get_transaction_status(scb) == CAM_REQ_INPROG) { 410 ccb->ccb_h.status |= CAM_REQ_CMP; 411 } else if ((scb->flags & SCB_SENSE) != 0) { 412 /* 413 * We performed autosense retrieval. 414 * 415 * Zero any sense not transferred by the 416 * device. The SCSI spec mandates that any 417 * untransfered data should be assumed to be 418 * zero. Complete the 'bounce' of sense information 419 * through buffers accessible via bus-space by 420 * copying it into the clients csio. 421 */ 422 memset(&ccb->csio.sense_data, 0, sizeof(ccb->csio.sense_data)); 423 memcpy(&ccb->csio.sense_data, 424 ahc_get_sense_buf(ahc, scb), 425 (aic_le32toh(scb->sg_list->len) & AHC_SG_LEN_MASK) 426 - ccb->csio.sense_resid); 427 scb->io_ctx->ccb_h.status |= CAM_AUTOSNS_VALID; 428 } 429 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 430 ahc_free_scb(ahc, scb); 431 xpt_done(ccb); 432 } 433 434 static void 435 ahc_action(struct cam_sim *sim, union ccb *ccb) 436 { 437 struct ahc_softc *ahc; 438 struct ahc_tmode_lstate *lstate; 439 u_int target_id; 440 u_int our_id; 441 442 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("ahc_action\n")); 443 444 ahc = (struct ahc_softc *)cam_sim_softc(sim); 445 446 target_id = ccb->ccb_h.target_id; 447 our_id = SIM_SCSI_ID(ahc, sim); 448 449 switch (ccb->ccb_h.func_code) { 450 /* Common cases first */ 451 case XPT_ACCEPT_TARGET_IO: /* Accept Host Target Mode CDB */ 452 case XPT_CONT_TARGET_IO:/* Continue Host Target I/O Connection*/ 453 { 454 struct ahc_tmode_tstate *tstate; 455 cam_status status; 456 457 status = ahc_find_tmode_devs(ahc, sim, ccb, &tstate, 458 &lstate, TRUE); 459 460 if (status != CAM_REQ_CMP) { 461 if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) { 462 /* Response from the black hole device */ 463 tstate = NULL; 464 lstate = ahc->black_hole; 465 } else { 466 ccb->ccb_h.status = status; 467 xpt_done(ccb); 468 break; 469 } 470 } 471 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { 472 SLIST_INSERT_HEAD(&lstate->accept_tios, &ccb->ccb_h, 473 sim_links.sle); 474 ccb->ccb_h.status = CAM_REQ_INPROG; 475 if ((ahc->flags & AHC_TQINFIFO_BLOCKED) != 0) 476 ahc_run_tqinfifo(ahc, /*paused*/FALSE); 477 break; 478 } 479 480 /* 481 * The target_id represents the target we attempt to 482 * select. In target mode, this is the initiator of 483 * the original command. 484 */ 485 our_id = target_id; 486 target_id = ccb->csio.init_id; 487 /* FALLTHROUGH */ 488 } 489 case XPT_SCSI_IO: /* Execute the requested I/O operation */ 490 case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */ 491 { 492 struct scb *scb; 493 struct hardware_scb *hscb; 494 495 if ((ahc->flags & AHC_INITIATORROLE) == 0 496 && (ccb->ccb_h.func_code == XPT_SCSI_IO 497 || ccb->ccb_h.func_code == XPT_RESET_DEV)) { 498 ccb->ccb_h.status = CAM_PROVIDE_FAIL; 499 xpt_done(ccb); 500 return; 501 } 502 503 /* 504 * get an scb to use. 505 */ 506 if ((scb = ahc_get_scb(ahc)) == NULL) { 507 xpt_freeze_simq(sim, /*count*/1); 508 ahc->flags |= AHC_RESOURCE_SHORTAGE; 509 ccb->ccb_h.status = CAM_REQUEUE_REQ; 510 xpt_done(ccb); 511 return; 512 } 513 514 hscb = scb->hscb; 515 516 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_SUBTRACE, 517 ("start scb(%p)\n", scb)); 518 scb->io_ctx = ccb; 519 /* 520 * So we can find the SCB when an abort is requested 521 */ 522 ccb->ccb_h.ccb_scb_ptr = scb; 523 524 /* 525 * Put all the arguments for the xfer in the scb 526 */ 527 hscb->control = 0; 528 hscb->scsiid = BUILD_SCSIID(ahc, sim, target_id, our_id); 529 hscb->lun = ccb->ccb_h.target_lun; 530 if (ccb->ccb_h.func_code == XPT_RESET_DEV) { 531 hscb->cdb_len = 0; 532 scb->flags |= SCB_DEVICE_RESET; 533 hscb->control |= MK_MESSAGE; 534 ahc_execute_scb(scb, NULL, 0, 0); 535 } else { 536 if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) { 537 struct target_data *tdata; 538 539 tdata = &hscb->shared_data.tdata; 540 if (ahc->pending_device == lstate) 541 scb->flags |= SCB_TARGET_IMMEDIATE; 542 hscb->control |= TARGET_SCB; 543 scb->flags |= SCB_TARGET_SCB; 544 tdata->target_phases = 0; 545 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) != 0) { 546 tdata->target_phases |= SPHASE_PENDING; 547 tdata->scsi_status = 548 ccb->csio.scsi_status; 549 } 550 if (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) 551 tdata->target_phases |= NO_DISCONNECT; 552 553 tdata->initiator_tag = ccb->csio.tag_id; 554 } 555 if (ccb->ccb_h.flags & CAM_TAG_ACTION_VALID) 556 hscb->control |= ccb->csio.tag_action; 557 558 ahc_setup_data(ahc, sim, &ccb->csio, scb); 559 } 560 break; 561 } 562 case XPT_NOTIFY_ACKNOWLEDGE: 563 case XPT_IMMEDIATE_NOTIFY: 564 { 565 struct ahc_tmode_tstate *tstate; 566 struct ahc_tmode_lstate *lstate; 567 cam_status status; 568 569 status = ahc_find_tmode_devs(ahc, sim, ccb, &tstate, 570 &lstate, TRUE); 571 572 if (status != CAM_REQ_CMP) { 573 ccb->ccb_h.status = status; 574 xpt_done(ccb); 575 break; 576 } 577 SLIST_INSERT_HEAD(&lstate->immed_notifies, &ccb->ccb_h, 578 sim_links.sle); 579 ccb->ccb_h.status = CAM_REQ_INPROG; 580 ahc_send_lstate_events(ahc, lstate); 581 break; 582 } 583 case XPT_EN_LUN: /* Enable LUN as a target */ 584 ahc_handle_en_lun(ahc, sim, ccb); 585 xpt_done(ccb); 586 break; 587 case XPT_ABORT: /* Abort the specified CCB */ 588 { 589 ahc_abort_ccb(ahc, sim, ccb); 590 break; 591 } 592 case XPT_SET_TRAN_SETTINGS: 593 { 594 struct ahc_devinfo devinfo; 595 struct ccb_trans_settings *cts; 596 struct ccb_trans_settings_scsi *scsi; 597 struct ccb_trans_settings_spi *spi; 598 struct ahc_initiator_tinfo *tinfo; 599 struct ahc_tmode_tstate *tstate; 600 uint16_t *discenable; 601 uint16_t *tagenable; 602 u_int update_type; 603 604 cts = &ccb->cts; 605 scsi = &cts->proto_specific.scsi; 606 spi = &cts->xport_specific.spi; 607 ahc_compile_devinfo(&devinfo, SIM_SCSI_ID(ahc, sim), 608 cts->ccb_h.target_id, 609 cts->ccb_h.target_lun, 610 SIM_CHANNEL(ahc, sim), 611 ROLE_UNKNOWN); 612 tinfo = ahc_fetch_transinfo(ahc, devinfo.channel, 613 devinfo.our_scsiid, 614 devinfo.target, &tstate); 615 update_type = 0; 616 if (cts->type == CTS_TYPE_CURRENT_SETTINGS) { 617 update_type |= AHC_TRANS_GOAL; 618 discenable = &tstate->discenable; 619 tagenable = &tstate->tagenable; 620 tinfo->curr.protocol_version = 621 cts->protocol_version; 622 tinfo->curr.transport_version = 623 cts->transport_version; 624 tinfo->goal.protocol_version = 625 cts->protocol_version; 626 tinfo->goal.transport_version = 627 cts->transport_version; 628 } else if (cts->type == CTS_TYPE_USER_SETTINGS) { 629 update_type |= AHC_TRANS_USER; 630 discenable = &ahc->user_discenable; 631 tagenable = &ahc->user_tagenable; 632 tinfo->user.protocol_version = 633 cts->protocol_version; 634 tinfo->user.transport_version = 635 cts->transport_version; 636 } else { 637 ccb->ccb_h.status = CAM_REQ_INVALID; 638 xpt_done(ccb); 639 break; 640 } 641 642 if ((spi->valid & CTS_SPI_VALID_DISC) != 0) { 643 if ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0) 644 *discenable |= devinfo.target_mask; 645 else 646 *discenable &= ~devinfo.target_mask; 647 } 648 649 if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 650 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) 651 *tagenable |= devinfo.target_mask; 652 else 653 *tagenable &= ~devinfo.target_mask; 654 } 655 656 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) { 657 ahc_validate_width(ahc, /*tinfo limit*/NULL, 658 &spi->bus_width, ROLE_UNKNOWN); 659 ahc_set_width(ahc, &devinfo, spi->bus_width, 660 update_type, /*paused*/FALSE); 661 } 662 663 if ((spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0) { 664 if (update_type == AHC_TRANS_USER) 665 spi->ppr_options = tinfo->user.ppr_options; 666 else 667 spi->ppr_options = tinfo->goal.ppr_options; 668 } 669 670 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0) { 671 if (update_type == AHC_TRANS_USER) 672 spi->sync_offset = tinfo->user.offset; 673 else 674 spi->sync_offset = tinfo->goal.offset; 675 } 676 677 if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) { 678 if (update_type == AHC_TRANS_USER) 679 spi->sync_period = tinfo->user.period; 680 else 681 spi->sync_period = tinfo->goal.period; 682 } 683 684 if (((spi->valid & CTS_SPI_VALID_SYNC_RATE) != 0) 685 || ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) != 0)) { 686 struct ahc_syncrate *syncrate; 687 u_int maxsync; 688 689 if ((ahc->features & AHC_ULTRA2) != 0) 690 maxsync = AHC_SYNCRATE_DT; 691 else if ((ahc->features & AHC_ULTRA) != 0) 692 maxsync = AHC_SYNCRATE_ULTRA; 693 else 694 maxsync = AHC_SYNCRATE_FAST; 695 696 if (spi->bus_width != MSG_EXT_WDTR_BUS_16_BIT) 697 spi->ppr_options &= ~MSG_EXT_PPR_DT_REQ; 698 699 syncrate = ahc_find_syncrate(ahc, &spi->sync_period, 700 &spi->ppr_options, 701 maxsync); 702 ahc_validate_offset(ahc, /*tinfo limit*/NULL, 703 syncrate, &spi->sync_offset, 704 spi->bus_width, ROLE_UNKNOWN); 705 706 /* We use a period of 0 to represent async */ 707 if (spi->sync_offset == 0) { 708 spi->sync_period = 0; 709 spi->ppr_options = 0; 710 } 711 712 ahc_set_syncrate(ahc, &devinfo, syncrate, 713 spi->sync_period, spi->sync_offset, 714 spi->ppr_options, update_type, 715 /*paused*/FALSE); 716 } 717 ccb->ccb_h.status = CAM_REQ_CMP; 718 xpt_done(ccb); 719 break; 720 } 721 case XPT_GET_TRAN_SETTINGS: 722 /* Get default/user set transfer settings for the target */ 723 { 724 ahc_get_tran_settings(ahc, SIM_SCSI_ID(ahc, sim), 725 SIM_CHANNEL(ahc, sim), &ccb->cts); 726 xpt_done(ccb); 727 break; 728 } 729 case XPT_CALC_GEOMETRY: 730 { 731 int extended; 732 733 extended = SIM_IS_SCSIBUS_B(ahc, sim) 734 ? ahc->flags & AHC_EXTENDED_TRANS_B 735 : ahc->flags & AHC_EXTENDED_TRANS_A; 736 aic_calc_geometry(&ccb->ccg, extended); 737 xpt_done(ccb); 738 break; 739 } 740 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 741 { 742 int found; 743 744 found = ahc_reset_channel(ahc, SIM_CHANNEL(ahc, sim), 745 /*initiate reset*/TRUE); 746 if (bootverbose) { 747 xpt_print_path(SIM_PATH(ahc, sim)); 748 printf("SCSI bus reset delivered. " 749 "%d SCBs aborted.\n", found); 750 } 751 ccb->ccb_h.status = CAM_REQ_CMP; 752 xpt_done(ccb); 753 break; 754 } 755 case XPT_TERM_IO: /* Terminate the I/O process */ 756 /* XXX Implement */ 757 ccb->ccb_h.status = CAM_REQ_INVALID; 758 xpt_done(ccb); 759 break; 760 case XPT_PATH_INQ: /* Path routing inquiry */ 761 { 762 struct ccb_pathinq *cpi = &ccb->cpi; 763 764 cpi->version_num = 1; /* XXX??? */ 765 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE; 766 if ((ahc->features & AHC_WIDE) != 0) 767 cpi->hba_inquiry |= PI_WIDE_16; 768 if ((ahc->features & AHC_TARGETMODE) != 0) { 769 cpi->target_sprt = PIT_PROCESSOR 770 | PIT_DISCONNECT 771 | PIT_TERM_IO; 772 } else { 773 cpi->target_sprt = 0; 774 } 775 cpi->hba_misc = 0; 776 cpi->hba_eng_cnt = 0; 777 cpi->max_target = (ahc->features & AHC_WIDE) ? 15 : 7; 778 cpi->max_lun = AHC_NUM_LUNS - 1; 779 if (SIM_IS_SCSIBUS_B(ahc, sim)) { 780 cpi->initiator_id = ahc->our_id_b; 781 if ((ahc->flags & AHC_RESET_BUS_B) == 0) 782 cpi->hba_misc |= PIM_NOBUSRESET; 783 } else { 784 cpi->initiator_id = ahc->our_id; 785 if ((ahc->flags & AHC_RESET_BUS_A) == 0) 786 cpi->hba_misc |= PIM_NOBUSRESET; 787 } 788 cpi->bus_id = cam_sim_bus(sim); 789 cpi->base_transfer_speed = 3300; 790 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 791 strlcpy(cpi->hba_vid, "Adaptec", HBA_IDLEN); 792 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 793 cpi->unit_number = cam_sim_unit(sim); 794 cpi->protocol = PROTO_SCSI; 795 cpi->protocol_version = SCSI_REV_2; 796 cpi->transport = XPORT_SPI; 797 cpi->transport_version = 2; 798 cpi->xport_specific.spi.ppr_options = SID_SPI_CLOCK_ST; 799 if ((ahc->features & AHC_DT) != 0) { 800 cpi->transport_version = 3; 801 cpi->xport_specific.spi.ppr_options = 802 SID_SPI_CLOCK_DT_ST; 803 } 804 cpi->ccb_h.status = CAM_REQ_CMP; 805 xpt_done(ccb); 806 break; 807 } 808 default: 809 ccb->ccb_h.status = CAM_PROVIDE_FAIL; 810 xpt_done(ccb); 811 break; 812 } 813 } 814 815 static void 816 ahc_get_tran_settings(struct ahc_softc *ahc, int our_id, char channel, 817 struct ccb_trans_settings *cts) 818 { 819 struct ahc_devinfo devinfo; 820 struct ccb_trans_settings_scsi *scsi; 821 struct ccb_trans_settings_spi *spi; 822 struct ahc_initiator_tinfo *targ_info; 823 struct ahc_tmode_tstate *tstate; 824 struct ahc_transinfo *tinfo; 825 826 scsi = &cts->proto_specific.scsi; 827 spi = &cts->xport_specific.spi; 828 ahc_compile_devinfo(&devinfo, our_id, 829 cts->ccb_h.target_id, 830 cts->ccb_h.target_lun, 831 channel, ROLE_UNKNOWN); 832 targ_info = ahc_fetch_transinfo(ahc, devinfo.channel, 833 devinfo.our_scsiid, 834 devinfo.target, &tstate); 835 836 if (cts->type == CTS_TYPE_CURRENT_SETTINGS) 837 tinfo = &targ_info->curr; 838 else 839 tinfo = &targ_info->user; 840 841 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 842 spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB; 843 if (cts->type == CTS_TYPE_USER_SETTINGS) { 844 if ((ahc->user_discenable & devinfo.target_mask) != 0) 845 spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 846 847 if ((ahc->user_tagenable & devinfo.target_mask) != 0) 848 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 849 } else { 850 if ((tstate->discenable & devinfo.target_mask) != 0) 851 spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 852 853 if ((tstate->tagenable & devinfo.target_mask) != 0) 854 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 855 } 856 cts->protocol_version = tinfo->protocol_version; 857 cts->transport_version = tinfo->transport_version; 858 859 spi->sync_period = tinfo->period; 860 spi->sync_offset = tinfo->offset; 861 spi->bus_width = tinfo->width; 862 spi->ppr_options = tinfo->ppr_options; 863 864 cts->protocol = PROTO_SCSI; 865 cts->transport = XPORT_SPI; 866 spi->valid = CTS_SPI_VALID_SYNC_RATE 867 | CTS_SPI_VALID_SYNC_OFFSET 868 | CTS_SPI_VALID_BUS_WIDTH 869 | CTS_SPI_VALID_PPR_OPTIONS; 870 871 if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) { 872 scsi->valid = CTS_SCSI_VALID_TQ; 873 spi->valid |= CTS_SPI_VALID_DISC; 874 } else { 875 scsi->valid = 0; 876 } 877 878 cts->ccb_h.status = CAM_REQ_CMP; 879 } 880 881 static void 882 ahc_async(void *callback_arg, uint32_t code, struct cam_path *path, void *arg) 883 { 884 struct ahc_softc *ahc; 885 struct cam_sim *sim; 886 887 sim = (struct cam_sim *)callback_arg; 888 ahc = (struct ahc_softc *)cam_sim_softc(sim); 889 switch (code) { 890 case AC_LOST_DEVICE: 891 { 892 struct ahc_devinfo devinfo; 893 894 ahc_compile_devinfo(&devinfo, SIM_SCSI_ID(ahc, sim), 895 xpt_path_target_id(path), 896 xpt_path_lun_id(path), 897 SIM_CHANNEL(ahc, sim), 898 ROLE_UNKNOWN); 899 900 /* 901 * Revert to async/narrow transfers 902 * for the next device. 903 */ 904 ahc_set_width(ahc, &devinfo, MSG_EXT_WDTR_BUS_8_BIT, 905 AHC_TRANS_GOAL|AHC_TRANS_CUR, /*paused*/FALSE); 906 ahc_set_syncrate(ahc, &devinfo, /*syncrate*/NULL, 907 /*period*/0, /*offset*/0, /*ppr_options*/0, 908 AHC_TRANS_GOAL|AHC_TRANS_CUR, 909 /*paused*/FALSE); 910 break; 911 } 912 default: 913 break; 914 } 915 } 916 917 static void 918 ahc_execute_scb(void *arg, bus_dma_segment_t *dm_segs, int nsegments, 919 int error) 920 { 921 struct scb *scb; 922 union ccb *ccb; 923 struct ahc_softc *ahc; 924 struct ahc_initiator_tinfo *tinfo; 925 struct ahc_tmode_tstate *tstate; 926 u_int mask; 927 928 scb = (struct scb *)arg; 929 ccb = scb->io_ctx; 930 ahc = scb->ahc_softc; 931 932 if (error != 0) { 933 if (error == EFBIG) 934 aic_set_transaction_status(scb, CAM_REQ_TOO_BIG); 935 else 936 aic_set_transaction_status(scb, CAM_REQ_CMP_ERR); 937 if (nsegments != 0) 938 bus_dmamap_unload(ahc->buffer_dmat, scb->dmamap); 939 ahc_free_scb(ahc, scb); 940 xpt_done(ccb); 941 return; 942 } 943 if (nsegments != 0) { 944 struct ahc_dma_seg *sg; 945 bus_dma_segment_t *end_seg; 946 bus_dmasync_op_t op; 947 948 end_seg = dm_segs + nsegments; 949 950 /* Copy the segments into our SG list */ 951 sg = scb->sg_list; 952 while (dm_segs < end_seg) { 953 uint32_t len; 954 955 sg->addr = aic_htole32(dm_segs->ds_addr); 956 len = dm_segs->ds_len 957 | ((dm_segs->ds_addr >> 8) & 0x7F000000); 958 sg->len = aic_htole32(len); 959 sg++; 960 dm_segs++; 961 } 962 963 /* 964 * Note where to find the SG entries in bus space. 965 * We also set the full residual flag which the 966 * sequencer will clear as soon as a data transfer 967 * occurs. 968 */ 969 scb->hscb->sgptr = aic_htole32(scb->sg_list_phys|SG_FULL_RESID); 970 971 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) 972 op = BUS_DMASYNC_PREREAD; 973 else 974 op = BUS_DMASYNC_PREWRITE; 975 976 bus_dmamap_sync(ahc->buffer_dmat, scb->dmamap, op); 977 978 if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) { 979 struct target_data *tdata; 980 981 tdata = &scb->hscb->shared_data.tdata; 982 tdata->target_phases |= DPHASE_PENDING; 983 /* 984 * CAM data direction is relative to the initiator. 985 */ 986 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) 987 tdata->data_phase = P_DATAOUT; 988 else 989 tdata->data_phase = P_DATAIN; 990 991 /* 992 * If the transfer is of an odd length and in the 993 * "in" direction (scsi->HostBus), then it may 994 * trigger a bug in the 'WideODD' feature of 995 * non-Ultra2 chips. Force the total data-length 996 * to be even by adding an extra, 1 byte, SG, 997 * element. We do this even if we are not currently 998 * negotiated wide as negotiation could occur before 999 * this command is executed. 1000 */ 1001 if ((ahc->bugs & AHC_TMODE_WIDEODD_BUG) != 0 1002 && (ccb->csio.dxfer_len & 0x1) != 0 1003 && (ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) { 1004 nsegments++; 1005 if (nsegments > AHC_NSEG) { 1006 aic_set_transaction_status(scb, 1007 CAM_REQ_TOO_BIG); 1008 bus_dmamap_unload(ahc->buffer_dmat, 1009 scb->dmamap); 1010 ahc_free_scb(ahc, scb); 1011 xpt_done(ccb); 1012 return; 1013 } 1014 sg->addr = aic_htole32(ahc->dma_bug_buf); 1015 sg->len = aic_htole32(1); 1016 sg++; 1017 } 1018 } 1019 sg--; 1020 sg->len |= aic_htole32(AHC_DMA_LAST_SEG); 1021 1022 /* Copy the first SG into the "current" data pointer area */ 1023 scb->hscb->dataptr = scb->sg_list->addr; 1024 scb->hscb->datacnt = scb->sg_list->len; 1025 } else { 1026 scb->hscb->sgptr = aic_htole32(SG_LIST_NULL); 1027 scb->hscb->dataptr = 0; 1028 scb->hscb->datacnt = 0; 1029 } 1030 1031 scb->sg_count = nsegments; 1032 1033 /* 1034 * Last time we need to check if this SCB needs to 1035 * be aborted. 1036 */ 1037 if (aic_get_transaction_status(scb) != CAM_REQ_INPROG) { 1038 if (nsegments != 0) 1039 bus_dmamap_unload(ahc->buffer_dmat, scb->dmamap); 1040 ahc_free_scb(ahc, scb); 1041 xpt_done(ccb); 1042 return; 1043 } 1044 1045 tinfo = ahc_fetch_transinfo(ahc, SCSIID_CHANNEL(ahc, scb->hscb->scsiid), 1046 SCSIID_OUR_ID(scb->hscb->scsiid), 1047 SCSIID_TARGET(ahc, scb->hscb->scsiid), 1048 &tstate); 1049 1050 mask = SCB_GET_TARGET_MASK(ahc, scb); 1051 scb->hscb->scsirate = tinfo->scsirate; 1052 scb->hscb->scsioffset = tinfo->curr.offset; 1053 if ((tstate->ultraenb & mask) != 0) 1054 scb->hscb->control |= ULTRAENB; 1055 1056 if ((tstate->discenable & mask) != 0 1057 && (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) == 0) 1058 scb->hscb->control |= DISCENB; 1059 1060 if ((ccb->ccb_h.flags & CAM_NEGOTIATE) != 0 1061 && (tinfo->goal.width != 0 1062 || tinfo->goal.offset != 0 1063 || tinfo->goal.ppr_options != 0)) { 1064 scb->flags |= SCB_NEGOTIATE; 1065 scb->hscb->control |= MK_MESSAGE; 1066 } else if ((tstate->auto_negotiate & mask) != 0) { 1067 scb->flags |= SCB_AUTO_NEGOTIATE; 1068 scb->hscb->control |= MK_MESSAGE; 1069 } 1070 1071 LIST_INSERT_HEAD(&ahc->pending_scbs, scb, pending_links); 1072 1073 ccb->ccb_h.status |= CAM_SIM_QUEUED; 1074 1075 /* 1076 * We only allow one untagged transaction 1077 * per target in the initiator role unless 1078 * we are storing a full busy target *lun* 1079 * table in SCB space. 1080 */ 1081 if ((scb->hscb->control & (TARGET_SCB|TAG_ENB)) == 0 1082 && (ahc->flags & AHC_SCB_BTT) == 0) { 1083 struct scb_tailq *untagged_q; 1084 int target_offset; 1085 1086 target_offset = SCB_GET_TARGET_OFFSET(ahc, scb); 1087 untagged_q = &(ahc->untagged_queues[target_offset]); 1088 TAILQ_INSERT_TAIL(untagged_q, scb, links.tqe); 1089 scb->flags |= SCB_UNTAGGEDQ; 1090 if (TAILQ_FIRST(untagged_q) != scb) { 1091 return; 1092 } 1093 } 1094 scb->flags |= SCB_ACTIVE; 1095 1096 /* 1097 * Timers are disabled while recovery is in progress. 1098 */ 1099 aic_scb_timer_start(scb); 1100 1101 if ((scb->flags & SCB_TARGET_IMMEDIATE) != 0) { 1102 /* Define a mapping from our tag to the SCB. */ 1103 ahc->scb_data->scbindex[scb->hscb->tag] = scb; 1104 ahc_pause(ahc); 1105 if ((ahc->flags & AHC_PAGESCBS) == 0) 1106 ahc_outb(ahc, SCBPTR, scb->hscb->tag); 1107 ahc_outb(ahc, TARG_IMMEDIATE_SCB, scb->hscb->tag); 1108 ahc_unpause(ahc); 1109 } else { 1110 ahc_queue_scb(ahc, scb); 1111 } 1112 } 1113 1114 static void 1115 ahc_poll(struct cam_sim *sim) 1116 { 1117 struct ahc_softc *ahc; 1118 1119 ahc = (struct ahc_softc *)cam_sim_softc(sim); 1120 ahc_intr(ahc); 1121 } 1122 1123 static void 1124 ahc_setup_data(struct ahc_softc *ahc, struct cam_sim *sim, 1125 struct ccb_scsiio *csio, struct scb *scb) 1126 { 1127 struct hardware_scb *hscb; 1128 struct ccb_hdr *ccb_h; 1129 int error; 1130 1131 hscb = scb->hscb; 1132 ccb_h = &csio->ccb_h; 1133 1134 csio->resid = 0; 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) { 1139 if (hscb->cdb_len > sizeof(hscb->cdb32) 1140 || (ccb_h->flags & CAM_CDB_PHYS) != 0) { 1141 aic_set_transaction_status(scb, 1142 CAM_REQ_INVALID); 1143 ahc_free_scb(ahc, scb); 1144 xpt_done((union ccb *)csio); 1145 return; 1146 } 1147 if (hscb->cdb_len > 12) { 1148 memcpy(hscb->cdb32, 1149 csio->cdb_io.cdb_ptr, 1150 hscb->cdb_len); 1151 scb->flags |= SCB_CDB32_PTR; 1152 } else { 1153 memcpy(hscb->shared_data.cdb, 1154 csio->cdb_io.cdb_ptr, 1155 hscb->cdb_len); 1156 } 1157 } else { 1158 if (hscb->cdb_len > 12) { 1159 memcpy(hscb->cdb32, csio->cdb_io.cdb_bytes, 1160 hscb->cdb_len); 1161 scb->flags |= SCB_CDB32_PTR; 1162 } else { 1163 memcpy(hscb->shared_data.cdb, 1164 csio->cdb_io.cdb_bytes, 1165 hscb->cdb_len); 1166 } 1167 } 1168 } 1169 1170 error = bus_dmamap_load_ccb(ahc->buffer_dmat, 1171 scb->dmamap, 1172 (union ccb *)csio, 1173 ahc_execute_scb, 1174 scb, 1175 0); 1176 if (error == EINPROGRESS) { 1177 /* 1178 * So as to maintain ordering, 1179 * freeze the controller queue 1180 * until our mapping is 1181 * returned. 1182 */ 1183 xpt_freeze_simq(sim, /*count*/1); 1184 scb->io_ctx->ccb_h.status |= CAM_RELEASE_SIMQ; 1185 } 1186 } 1187 1188 static void 1189 ahc_abort_ccb(struct ahc_softc *ahc, struct cam_sim *sim, union ccb *ccb) 1190 { 1191 union ccb *abort_ccb; 1192 1193 abort_ccb = ccb->cab.abort_ccb; 1194 switch (abort_ccb->ccb_h.func_code) { 1195 case XPT_ACCEPT_TARGET_IO: 1196 case XPT_IMMEDIATE_NOTIFY: 1197 case XPT_CONT_TARGET_IO: 1198 { 1199 struct ahc_tmode_tstate *tstate; 1200 struct ahc_tmode_lstate *lstate; 1201 struct ccb_hdr_slist *list; 1202 cam_status status; 1203 1204 status = ahc_find_tmode_devs(ahc, sim, abort_ccb, &tstate, 1205 &lstate, TRUE); 1206 1207 if (status != CAM_REQ_CMP) { 1208 ccb->ccb_h.status = status; 1209 break; 1210 } 1211 1212 if (abort_ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) 1213 list = &lstate->accept_tios; 1214 else if (abort_ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) 1215 list = &lstate->immed_notifies; 1216 else 1217 list = NULL; 1218 1219 if (list != NULL) { 1220 struct ccb_hdr *curelm; 1221 int found; 1222 1223 curelm = SLIST_FIRST(list); 1224 found = 0; 1225 if (curelm == &abort_ccb->ccb_h) { 1226 found = 1; 1227 SLIST_REMOVE_HEAD(list, sim_links.sle); 1228 } else { 1229 while(curelm != NULL) { 1230 struct ccb_hdr *nextelm; 1231 1232 nextelm = 1233 SLIST_NEXT(curelm, sim_links.sle); 1234 1235 if (nextelm == &abort_ccb->ccb_h) { 1236 found = 1; 1237 SLIST_NEXT(curelm, 1238 sim_links.sle) = 1239 SLIST_NEXT(nextelm, 1240 sim_links.sle); 1241 break; 1242 } 1243 curelm = nextelm; 1244 } 1245 } 1246 1247 if (found) { 1248 abort_ccb->ccb_h.status = CAM_REQ_ABORTED; 1249 xpt_done(abort_ccb); 1250 ccb->ccb_h.status = CAM_REQ_CMP; 1251 } else { 1252 xpt_print_path(abort_ccb->ccb_h.path); 1253 printf("Not found\n"); 1254 ccb->ccb_h.status = CAM_PATH_INVALID; 1255 } 1256 break; 1257 } 1258 /* FALLTHROUGH */ 1259 } 1260 case XPT_SCSI_IO: 1261 /* XXX Fully implement the hard ones */ 1262 ccb->ccb_h.status = CAM_UA_ABORT; 1263 break; 1264 default: 1265 ccb->ccb_h.status = CAM_REQ_INVALID; 1266 break; 1267 } 1268 xpt_done(ccb); 1269 } 1270 1271 void 1272 ahc_send_async(struct ahc_softc *ahc, char channel, u_int target, 1273 u_int lun, ac_code code, void *opt_arg) 1274 { 1275 struct ccb_trans_settings cts; 1276 struct cam_path *path; 1277 void *arg; 1278 int error; 1279 1280 arg = NULL; 1281 error = ahc_create_path(ahc, channel, target, lun, &path); 1282 1283 if (error != CAM_REQ_CMP) 1284 return; 1285 1286 switch (code) { 1287 case AC_TRANSFER_NEG: 1288 { 1289 struct ccb_trans_settings_scsi *scsi; 1290 1291 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1292 scsi = &cts.proto_specific.scsi; 1293 cts.ccb_h.path = path; 1294 cts.ccb_h.target_id = target; 1295 cts.ccb_h.target_lun = lun; 1296 ahc_get_tran_settings(ahc, channel == 'A' ? ahc->our_id 1297 : ahc->our_id_b, 1298 channel, &cts); 1299 arg = &cts; 1300 scsi->valid &= ~CTS_SCSI_VALID_TQ; 1301 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 1302 if (opt_arg == NULL) 1303 break; 1304 if (*((ahc_queue_alg *)opt_arg) == AHC_QUEUE_TAGGED) 1305 scsi->flags |= ~CTS_SCSI_FLAGS_TAG_ENB; 1306 scsi->valid |= CTS_SCSI_VALID_TQ; 1307 break; 1308 } 1309 case AC_SENT_BDR: 1310 case AC_BUS_RESET: 1311 break; 1312 default: 1313 panic("ahc_send_async: Unexpected async event"); 1314 } 1315 xpt_async(code, path, arg); 1316 xpt_free_path(path); 1317 } 1318 1319 void 1320 ahc_platform_set_tags(struct ahc_softc *ahc, 1321 struct ahc_devinfo *devinfo, int enable) 1322 { 1323 } 1324 1325 int 1326 ahc_platform_alloc(struct ahc_softc *ahc, void *platform_arg) 1327 { 1328 ahc->platform_data = malloc(sizeof(struct ahc_platform_data), M_DEVBUF, 1329 M_NOWAIT | M_ZERO); 1330 if (ahc->platform_data == NULL) 1331 return (ENOMEM); 1332 return (0); 1333 } 1334 1335 void 1336 ahc_platform_free(struct ahc_softc *ahc) 1337 { 1338 struct ahc_platform_data *pdata; 1339 1340 pdata = ahc->platform_data; 1341 if (pdata != NULL) { 1342 if (pdata->regs != NULL) 1343 bus_release_resource(ahc->dev_softc, 1344 pdata->regs_res_type, 1345 pdata->regs_res_id, 1346 pdata->regs); 1347 1348 if (pdata->irq != NULL) 1349 bus_release_resource(ahc->dev_softc, 1350 pdata->irq_res_type, 1351 0, pdata->irq); 1352 1353 if (pdata->sim_b != NULL) { 1354 xpt_async(AC_LOST_DEVICE, pdata->path_b, NULL); 1355 xpt_free_path(pdata->path_b); 1356 xpt_bus_deregister(cam_sim_path(pdata->sim_b)); 1357 cam_sim_free(pdata->sim_b, /*free_devq*/TRUE); 1358 } 1359 if (pdata->sim != NULL) { 1360 xpt_async(AC_LOST_DEVICE, pdata->path, NULL); 1361 xpt_free_path(pdata->path); 1362 xpt_bus_deregister(cam_sim_path(pdata->sim)); 1363 cam_sim_free(pdata->sim, /*free_devq*/TRUE); 1364 } 1365 if (pdata->eh != NULL) 1366 EVENTHANDLER_DEREGISTER(shutdown_final, pdata->eh); 1367 free(ahc->platform_data, M_DEVBUF); 1368 } 1369 } 1370 1371 int 1372 ahc_softc_comp(struct ahc_softc *lahc, struct ahc_softc *rahc) 1373 { 1374 /* We don't sort softcs under FreeBSD so report equal always */ 1375 return (0); 1376 } 1377 1378 int 1379 ahc_detach(device_t dev) 1380 { 1381 struct ahc_softc *ahc; 1382 1383 device_printf(dev, "detaching device\n"); 1384 ahc = device_get_softc(dev); 1385 ahc_lock(ahc); 1386 TAILQ_REMOVE(&ahc_tailq, ahc, links); 1387 ahc_intr_enable(ahc, FALSE); 1388 bus_teardown_intr(dev, ahc->platform_data->irq, ahc->platform_data->ih); 1389 ahc_unlock(ahc); 1390 ahc_free(ahc); 1391 return (0); 1392 } 1393 1394 #if 0 1395 static void 1396 ahc_dump_targcmd(struct target_cmd *cmd) 1397 { 1398 uint8_t *byte; 1399 uint8_t *last_byte; 1400 int i; 1401 1402 byte = &cmd->initiator_channel; 1403 /* Debugging info for received commands */ 1404 last_byte = &cmd[1].initiator_channel; 1405 1406 i = 0; 1407 while (byte < last_byte) { 1408 if (i == 0) 1409 printf("\t"); 1410 printf("%#x", *byte++); 1411 i++; 1412 if (i == 8) { 1413 printf("\n"); 1414 i = 0; 1415 } else { 1416 printf(", "); 1417 } 1418 } 1419 } 1420 #endif 1421 1422 static int 1423 ahc_modevent(module_t mod, int type, void *data) 1424 { 1425 /* XXX Deal with busy status on unload. */ 1426 /* XXX Deal with unknown events */ 1427 return 0; 1428 } 1429 1430 static moduledata_t ahc_mod = { 1431 "ahc", 1432 ahc_modevent, 1433 NULL 1434 }; 1435 1436 DECLARE_MODULE(ahc, ahc_mod, SI_SUB_DRIVERS, SI_ORDER_MIDDLE); 1437 MODULE_DEPEND(ahc, cam, 1, 1, 1); 1438 MODULE_VERSION(ahc, 1); 1439