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__FBSDID("$FreeBSD$"); 36 37#include <dev/aic7xxx/aic7xxx_osm.h> 38#include <dev/aic7xxx/aic7xxx_inline.h> 39 40#include <sys/kthread.h> 41 42#ifndef AHC_TMODE_ENABLE 43#define AHC_TMODE_ENABLE 0 44#endif 45 46#include <dev/aic7xxx/aic_osm_lib.c> 47 48#define ccb_scb_ptr spriv_ptr0 49 50devclass_t ahc_devclass; 51 52#if 0 53static void ahc_dump_targcmd(struct target_cmd *cmd); 54#endif 55static int ahc_modevent(module_t mod, int type, void *data); 56static void ahc_action(struct cam_sim *sim, union ccb *ccb); 57static void ahc_get_tran_settings(struct ahc_softc *ahc, 58 int our_id, char channel, 59 struct ccb_trans_settings *cts); 60static void ahc_async(void *callback_arg, uint32_t code, 61 struct cam_path *path, void *arg); 62static void ahc_execute_scb(void *arg, bus_dma_segment_t *dm_segs, 63 int nsegments, int error); 64static void ahc_poll(struct cam_sim *sim); 65static void ahc_setup_data(struct ahc_softc *ahc, struct cam_sim *sim, 66 struct ccb_scsiio *csio, struct scb *scb); 67static void ahc_abort_ccb(struct ahc_softc *ahc, struct cam_sim *sim, 68 union ccb *ccb); 69static int ahc_create_path(struct ahc_softc *ahc, 70 char channel, u_int target, u_int lun, 71 struct cam_path **path); 72 73static int 74ahc_create_path(struct ahc_softc *ahc, char channel, u_int target, 75 u_int lun, struct cam_path **path) 76{ 77 path_id_t path_id; 78 79 if (channel == 'B') 80 path_id = cam_sim_path(ahc->platform_data->sim_b); 81 else 82 path_id = cam_sim_path(ahc->platform_data->sim); 83 84 return (xpt_create_path(path, /*periph*/NULL, 85 path_id, target, lun)); 86} 87 88int 89ahc_map_int(struct ahc_softc *ahc) 90{ 91 int error; 92 int zero; 93 int shareable; 94 95 zero = 0; 96 shareable = (ahc->flags & AHC_EDGE_INTERRUPT) ? 0: RF_SHAREABLE; 97 ahc->platform_data->irq = 98 bus_alloc_resource_any(ahc->dev_softc, SYS_RES_IRQ, &zero, 99 RF_ACTIVE | shareable); 100 if (ahc->platform_data->irq == NULL) { 101 device_printf(ahc->dev_softc, 102 "bus_alloc_resource() failed to allocate IRQ\n"); 103 return (ENOMEM); 104 } 105 ahc->platform_data->irq_res_type = SYS_RES_IRQ; 106 107 /* Hook up our interrupt handler */ 108 error = bus_setup_intr(ahc->dev_softc, ahc->platform_data->irq, 109 INTR_TYPE_CAM|INTR_MPSAFE, NULL, 110 ahc_platform_intr, ahc, &ahc->platform_data->ih); 111 112 if (error != 0) 113 device_printf(ahc->dev_softc, "bus_setup_intr() failed: %d\n", 114 error); 115 return (error); 116} 117 118int 119aic7770_map_registers(struct ahc_softc *ahc, u_int unused_ioport_arg) 120{ 121 struct resource *regs; 122 int rid; 123 124 rid = 0; 125 regs = bus_alloc_resource_any(ahc->dev_softc, SYS_RES_IOPORT, &rid, 126 RF_ACTIVE); 127 if (regs == NULL) { 128 device_printf(ahc->dev_softc, "Unable to map I/O space?!\n"); 129 return ENOMEM; 130 } 131 ahc->platform_data->regs_res_type = SYS_RES_IOPORT; 132 ahc->platform_data->regs_res_id = rid; 133 ahc->platform_data->regs = regs; 134 ahc->tag = rman_get_bustag(regs); 135 ahc->bsh = rman_get_bushandle(regs); 136 return (0); 137} 138 139/* 140 * Attach all the sub-devices we can find 141 */ 142int 143ahc_attach(struct ahc_softc *ahc) 144{ 145 char ahc_info[256]; 146 struct ccb_setasync csa; 147 struct cam_devq *devq; 148 int bus_id; 149 int bus_id2; 150 struct cam_sim *sim; 151 struct cam_sim *sim2; 152 struct cam_path *path; 153 struct cam_path *path2; 154 int count; 155 156 count = 0; 157 sim = NULL; 158 sim2 = NULL; 159 path = NULL; 160 path2 = NULL; 161 162 /* 163 * Create a thread to perform all recovery. 164 */ 165 if (ahc_spawn_recovery_thread(ahc) != 0) 166 goto fail; 167 168 ahc_controller_info(ahc, ahc_info); 169 printf("%s\n", ahc_info); 170 ahc_lock(ahc); 171 172 /* 173 * Attach secondary channel first if the user has 174 * declared it the primary channel. 175 */ 176 if ((ahc->features & AHC_TWIN) != 0 177 && (ahc->flags & AHC_PRIMARY_CHANNEL) != 0) { 178 bus_id = 1; 179 bus_id2 = 0; 180 } else { 181 bus_id = 0; 182 bus_id2 = 1; 183 } 184 185 /* 186 * Create the device queue for our SIM(s). 187 */ 188 devq = cam_simq_alloc(AHC_MAX_QUEUE); 189 if (devq == NULL) 190 goto fail; 191 192 /* 193 * Construct our first channel SIM entry 194 */ 195 sim = cam_sim_alloc(ahc_action, ahc_poll, "ahc", ahc, 196 device_get_unit(ahc->dev_softc), 197 &ahc->platform_data->mtx, 1, AHC_MAX_QUEUE, devq); 198 if (sim == NULL) { 199 cam_simq_free(devq); 200 goto fail; 201 } 202 203 if (xpt_bus_register(sim, ahc->dev_softc, bus_id) != CAM_SUCCESS) { 204 cam_sim_free(sim, /*free_devq*/TRUE); 205 sim = NULL; 206 goto fail; 207 } 208 209 if (xpt_create_path(&path, /*periph*/NULL, 210 cam_sim_path(sim), CAM_TARGET_WILDCARD, 211 CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 212 xpt_bus_deregister(cam_sim_path(sim)); 213 cam_sim_free(sim, /*free_devq*/TRUE); 214 sim = NULL; 215 goto fail; 216 } 217 218 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5); 219 csa.ccb_h.func_code = XPT_SASYNC_CB; 220 csa.event_enable = AC_LOST_DEVICE; 221 csa.callback = ahc_async; 222 csa.callback_arg = sim; 223 xpt_action((union ccb *)&csa); 224 count++; 225 226 if (ahc->features & AHC_TWIN) { 227 sim2 = cam_sim_alloc(ahc_action, ahc_poll, "ahc", 228 ahc, device_get_unit(ahc->dev_softc), 229 &ahc->platform_data->mtx, 1, 230 AHC_MAX_QUEUE, devq); 231 232 if (sim2 == NULL) { 233 printf("ahc_attach: Unable to attach second " 234 "bus due to resource shortage"); 235 goto fail; 236 } 237 238 if (xpt_bus_register(sim2, ahc->dev_softc, bus_id2) != 239 CAM_SUCCESS) { 240 printf("ahc_attach: Unable to attach second " 241 "bus due to resource shortage"); 242 /* 243 * We do not want to destroy the device queue 244 * because the first bus is using it. 245 */ 246 cam_sim_free(sim2, /*free_devq*/FALSE); 247 goto fail; 248 } 249 250 if (xpt_create_path(&path2, /*periph*/NULL, 251 cam_sim_path(sim2), 252 CAM_TARGET_WILDCARD, 253 CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 254 xpt_bus_deregister(cam_sim_path(sim2)); 255 cam_sim_free(sim2, /*free_devq*/FALSE); 256 sim2 = NULL; 257 goto fail; 258 } 259 xpt_setup_ccb(&csa.ccb_h, path2, /*priority*/5); 260 csa.ccb_h.func_code = XPT_SASYNC_CB; 261 csa.event_enable = AC_LOST_DEVICE; 262 csa.callback = ahc_async; 263 csa.callback_arg = sim2; 264 xpt_action((union ccb *)&csa); 265 count++; 266 } 267 268fail: 269 if ((ahc->features & AHC_TWIN) != 0 270 && (ahc->flags & AHC_PRIMARY_CHANNEL) != 0) { 271 ahc->platform_data->sim_b = sim; 272 ahc->platform_data->path_b = path; 273 ahc->platform_data->sim = sim2; 274 ahc->platform_data->path = path2; 275 } else { 276 ahc->platform_data->sim = sim; 277 ahc->platform_data->path = path; 278 ahc->platform_data->sim_b = sim2; 279 ahc->platform_data->path_b = path2; 280 } 281 ahc_unlock(ahc); 282 283 if (count != 0) { 284 /* We have to wait until after any system dumps... */ 285 ahc->platform_data->eh = 286 EVENTHANDLER_REGISTER(shutdown_final, ahc_shutdown, 287 ahc, SHUTDOWN_PRI_DEFAULT); 288 ahc_intr_enable(ahc, TRUE); 289 } 290 291 return (count); 292} 293 294/* 295 * Catch an interrupt from the adapter 296 */ 297void 298ahc_platform_intr(void *arg) 299{ 300 struct ahc_softc *ahc; 301 302 ahc = (struct ahc_softc *)arg; 303 ahc_lock(ahc); 304 ahc_intr(ahc); 305 ahc_unlock(ahc); 306} 307 308/* 309 * We have an scb which has been processed by the 310 * adaptor, now we look to see how the operation 311 * went. 312 */ 313void 314ahc_done(struct ahc_softc *ahc, struct scb *scb) 315{ 316 union ccb *ccb; 317 318 CAM_DEBUG(scb->io_ctx->ccb_h.path, CAM_DEBUG_TRACE, 319 ("ahc_done - scb %d\n", scb->hscb->tag)); 320 321 ccb = scb->io_ctx; 322 LIST_REMOVE(scb, pending_links); 323 if ((scb->flags & SCB_TIMEDOUT) != 0) 324 LIST_REMOVE(scb, timedout_links); 325 if ((scb->flags & SCB_UNTAGGEDQ) != 0) { 326 struct scb_tailq *untagged_q; 327 int target_offset; 328 329 target_offset = SCB_GET_TARGET_OFFSET(ahc, scb); 330 untagged_q = &ahc->untagged_queues[target_offset]; 331 TAILQ_REMOVE(untagged_q, scb, links.tqe); 332 scb->flags &= ~SCB_UNTAGGEDQ; 333 ahc_run_untagged_queue(ahc, untagged_q); 334 } 335 336 callout_stop(&scb->io_timer); 337 338 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 339 bus_dmasync_op_t op; 340 341 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) 342 op = BUS_DMASYNC_POSTREAD; 343 else 344 op = BUS_DMASYNC_POSTWRITE; 345 bus_dmamap_sync(ahc->buffer_dmat, scb->dmamap, op); 346 bus_dmamap_unload(ahc->buffer_dmat, scb->dmamap); 347 } 348 349 if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) { 350 struct cam_path *ccb_path; 351 352 /* 353 * If we have finally disconnected, clean up our 354 * pending device state. 355 * XXX - There may be error states that cause where 356 * we will remain connected. 357 */ 358 ccb_path = ccb->ccb_h.path; 359 if (ahc->pending_device != NULL 360 && xpt_path_comp(ahc->pending_device->path, ccb_path) == 0) { 361 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) != 0) { 362 ahc->pending_device = NULL; 363 } else { 364 if (bootverbose) { 365 xpt_print_path(ccb->ccb_h.path); 366 printf("Still connected\n"); 367 } 368 aic_freeze_ccb(ccb); 369 } 370 } 371 372 if (aic_get_transaction_status(scb) == CAM_REQ_INPROG) 373 ccb->ccb_h.status |= CAM_REQ_CMP; 374 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 375 ahc_free_scb(ahc, scb); 376 xpt_done(ccb); 377 return; 378 } 379 380 /* 381 * If the recovery SCB completes, we have to be 382 * out of our timeout. 383 */ 384 if ((scb->flags & SCB_RECOVERY_SCB) != 0) { 385 struct scb *list_scb; 386 387 ahc->scb_data->recovery_scbs--; 388 389 if (aic_get_transaction_status(scb) == CAM_BDR_SENT 390 || aic_get_transaction_status(scb) == CAM_REQ_ABORTED) 391 aic_set_transaction_status(scb, CAM_CMD_TIMEOUT); 392 393 if (ahc->scb_data->recovery_scbs == 0) { 394 /* 395 * All recovery actions have completed successfully, 396 * so reinstate the timeouts for all other pending 397 * commands. 398 */ 399 LIST_FOREACH(list_scb, &ahc->pending_scbs, 400 pending_links) { 401 aic_scb_timer_reset(list_scb, 402 aic_get_timeout(scb)); 403 } 404 405 ahc_print_path(ahc, scb); 406 printf("no longer in timeout, status = %x\n", 407 ccb->ccb_h.status); 408 } 409 } 410 411 /* Don't clobber any existing error state */ 412 if (aic_get_transaction_status(scb) == CAM_REQ_INPROG) { 413 ccb->ccb_h.status |= CAM_REQ_CMP; 414 } else if ((scb->flags & SCB_SENSE) != 0) { 415 /* 416 * We performed autosense retrieval. 417 * 418 * Zero any sense not transferred by the 419 * device. The SCSI spec mandates that any 420 * untransfered data should be assumed to be 421 * zero. Complete the 'bounce' of sense information 422 * through buffers accessible via bus-space by 423 * copying it into the clients csio. 424 */ 425 memset(&ccb->csio.sense_data, 0, sizeof(ccb->csio.sense_data)); 426 memcpy(&ccb->csio.sense_data, 427 ahc_get_sense_buf(ahc, scb), 428 (aic_le32toh(scb->sg_list->len) & AHC_SG_LEN_MASK) 429 - ccb->csio.sense_resid); 430 scb->io_ctx->ccb_h.status |= CAM_AUTOSNS_VALID; 431 } 432 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 433 ahc_free_scb(ahc, scb); 434 xpt_done(ccb); 435} 436 437static void 438ahc_action(struct cam_sim *sim, union ccb *ccb) 439{ 440 struct ahc_softc *ahc; 441 struct ahc_tmode_lstate *lstate; 442 u_int target_id; 443 u_int our_id; 444 445 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("ahc_action\n")); 446 447 ahc = (struct ahc_softc *)cam_sim_softc(sim); 448 449 target_id = ccb->ccb_h.target_id; 450 our_id = SIM_SCSI_ID(ahc, sim); 451 452 switch (ccb->ccb_h.func_code) { 453 /* Common cases first */ 454 case XPT_ACCEPT_TARGET_IO: /* Accept Host Target Mode CDB */ 455 case XPT_CONT_TARGET_IO:/* Continue Host Target I/O Connection*/ 456 { 457 struct ahc_tmode_tstate *tstate; 458 cam_status status; 459 460 status = ahc_find_tmode_devs(ahc, sim, ccb, &tstate, 461 &lstate, TRUE); 462 463 if (status != CAM_REQ_CMP) { 464 if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) { 465 /* Response from the black hole device */ 466 tstate = NULL; 467 lstate = ahc->black_hole; 468 } else { 469 ccb->ccb_h.status = status; 470 xpt_done(ccb); 471 break; 472 } 473 } 474 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { 475 SLIST_INSERT_HEAD(&lstate->accept_tios, &ccb->ccb_h, 476 sim_links.sle); 477 ccb->ccb_h.status = CAM_REQ_INPROG; 478 if ((ahc->flags & AHC_TQINFIFO_BLOCKED) != 0) 479 ahc_run_tqinfifo(ahc, /*paused*/FALSE); 480 break; 481 } 482 483 /* 484 * The target_id represents the target we attempt to 485 * select. In target mode, this is the initiator of 486 * the original command. 487 */ 488 our_id = target_id; 489 target_id = ccb->csio.init_id; 490 /* FALLTHROUGH */ 491 } 492 case XPT_SCSI_IO: /* Execute the requested I/O operation */ 493 case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */ 494 { 495 struct scb *scb; 496 struct hardware_scb *hscb; 497 498 if ((ahc->flags & AHC_INITIATORROLE) == 0 499 && (ccb->ccb_h.func_code == XPT_SCSI_IO 500 || ccb->ccb_h.func_code == XPT_RESET_DEV)) { 501 ccb->ccb_h.status = CAM_PROVIDE_FAIL; 502 xpt_done(ccb); 503 return; 504 } 505 506 /* 507 * get an scb to use. 508 */ 509 if ((scb = ahc_get_scb(ahc)) == NULL) { 510 xpt_freeze_simq(sim, /*count*/1); 511 ahc->flags |= AHC_RESOURCE_SHORTAGE; 512 ccb->ccb_h.status = CAM_REQUEUE_REQ; 513 xpt_done(ccb); 514 return; 515 } 516 517 hscb = scb->hscb; 518 519 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_SUBTRACE, 520 ("start scb(%p)\n", scb)); 521 scb->io_ctx = ccb; 522 /* 523 * So we can find the SCB when an abort is requested 524 */ 525 ccb->ccb_h.ccb_scb_ptr = scb; 526 527 /* 528 * Put all the arguments for the xfer in the scb 529 */ 530 hscb->control = 0; 531 hscb->scsiid = BUILD_SCSIID(ahc, sim, target_id, our_id); 532 hscb->lun = ccb->ccb_h.target_lun; 533 if (ccb->ccb_h.func_code == XPT_RESET_DEV) { 534 hscb->cdb_len = 0; 535 scb->flags |= SCB_DEVICE_RESET; 536 hscb->control |= MK_MESSAGE; 537 ahc_execute_scb(scb, NULL, 0, 0); 538 } else { 539 if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) { 540 struct target_data *tdata; 541 542 tdata = &hscb->shared_data.tdata; 543 if (ahc->pending_device == lstate) 544 scb->flags |= SCB_TARGET_IMMEDIATE; 545 hscb->control |= TARGET_SCB; 546 scb->flags |= SCB_TARGET_SCB; 547 tdata->target_phases = 0; 548 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) != 0) { 549 tdata->target_phases |= SPHASE_PENDING; 550 tdata->scsi_status = 551 ccb->csio.scsi_status; 552 } 553 if (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) 554 tdata->target_phases |= NO_DISCONNECT; 555 556 tdata->initiator_tag = ccb->csio.tag_id; 557 } 558 if (ccb->ccb_h.flags & CAM_TAG_ACTION_VALID) 559 hscb->control |= ccb->csio.tag_action; 560 561 ahc_setup_data(ahc, sim, &ccb->csio, scb); 562 } 563 break; 564 } 565 case XPT_NOTIFY_ACKNOWLEDGE: 566 case XPT_IMMEDIATE_NOTIFY: 567 { 568 struct ahc_tmode_tstate *tstate; 569 struct ahc_tmode_lstate *lstate; 570 cam_status status; 571 572 status = ahc_find_tmode_devs(ahc, sim, ccb, &tstate, 573 &lstate, TRUE); 574 575 if (status != CAM_REQ_CMP) { 576 ccb->ccb_h.status = status; 577 xpt_done(ccb); 578 break; 579 } 580 SLIST_INSERT_HEAD(&lstate->immed_notifies, &ccb->ccb_h, 581 sim_links.sle); 582 ccb->ccb_h.status = CAM_REQ_INPROG; 583 ahc_send_lstate_events(ahc, lstate); 584 break; 585 } 586 case XPT_EN_LUN: /* Enable LUN as a target */ 587 ahc_handle_en_lun(ahc, sim, ccb); 588 xpt_done(ccb); 589 break; 590 case XPT_ABORT: /* Abort the specified CCB */ 591 { 592 ahc_abort_ccb(ahc, sim, ccb); 593 break; 594 } 595 case XPT_SET_TRAN_SETTINGS: 596 { 597 struct ahc_devinfo devinfo; 598 struct ccb_trans_settings *cts; 599 struct ccb_trans_settings_scsi *scsi; 600 struct ccb_trans_settings_spi *spi; 601 struct ahc_initiator_tinfo *tinfo; 602 struct ahc_tmode_tstate *tstate; 603 uint16_t *discenable; 604 uint16_t *tagenable; 605 u_int update_type; 606 607 cts = &ccb->cts; 608 scsi = &cts->proto_specific.scsi; 609 spi = &cts->xport_specific.spi; 610 ahc_compile_devinfo(&devinfo, SIM_SCSI_ID(ahc, sim), 611 cts->ccb_h.target_id, 612 cts->ccb_h.target_lun, 613 SIM_CHANNEL(ahc, sim), 614 ROLE_UNKNOWN); 615 tinfo = ahc_fetch_transinfo(ahc, devinfo.channel, 616 devinfo.our_scsiid, 617 devinfo.target, &tstate); 618 update_type = 0; 619 if (cts->type == CTS_TYPE_CURRENT_SETTINGS) { 620 update_type |= AHC_TRANS_GOAL; 621 discenable = &tstate->discenable; 622 tagenable = &tstate->tagenable; 623 tinfo->curr.protocol_version = 624 cts->protocol_version; 625 tinfo->curr.transport_version = 626 cts->transport_version; 627 tinfo->goal.protocol_version = 628 cts->protocol_version; 629 tinfo->goal.transport_version = 630 cts->transport_version; 631 } else if (cts->type == CTS_TYPE_USER_SETTINGS) { 632 update_type |= AHC_TRANS_USER; 633 discenable = &ahc->user_discenable; 634 tagenable = &ahc->user_tagenable; 635 tinfo->user.protocol_version = 636 cts->protocol_version; 637 tinfo->user.transport_version = 638 cts->transport_version; 639 } else { 640 ccb->ccb_h.status = CAM_REQ_INVALID; 641 xpt_done(ccb); 642 break; 643 } 644 645 if ((spi->valid & CTS_SPI_VALID_DISC) != 0) { 646 if ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0) 647 *discenable |= devinfo.target_mask; 648 else 649 *discenable &= ~devinfo.target_mask; 650 } 651 652 if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 653 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) 654 *tagenable |= devinfo.target_mask; 655 else 656 *tagenable &= ~devinfo.target_mask; 657 } 658 659 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) { 660 ahc_validate_width(ahc, /*tinfo limit*/NULL, 661 &spi->bus_width, ROLE_UNKNOWN); 662 ahc_set_width(ahc, &devinfo, spi->bus_width, 663 update_type, /*paused*/FALSE); 664 } 665 666 if ((spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0) { 667 if (update_type == AHC_TRANS_USER) 668 spi->ppr_options = tinfo->user.ppr_options; 669 else 670 spi->ppr_options = tinfo->goal.ppr_options; 671 } 672 673 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0) { 674 if (update_type == AHC_TRANS_USER) 675 spi->sync_offset = tinfo->user.offset; 676 else 677 spi->sync_offset = tinfo->goal.offset; 678 } 679 680 if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) { 681 if (update_type == AHC_TRANS_USER) 682 spi->sync_period = tinfo->user.period; 683 else 684 spi->sync_period = tinfo->goal.period; 685 } 686 687 if (((spi->valid & CTS_SPI_VALID_SYNC_RATE) != 0) 688 || ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) != 0)) { 689 struct ahc_syncrate *syncrate; 690 u_int maxsync; 691 692 if ((ahc->features & AHC_ULTRA2) != 0) 693 maxsync = AHC_SYNCRATE_DT; 694 else if ((ahc->features & AHC_ULTRA) != 0) 695 maxsync = AHC_SYNCRATE_ULTRA; 696 else 697 maxsync = AHC_SYNCRATE_FAST; 698 699 if (spi->bus_width != MSG_EXT_WDTR_BUS_16_BIT) 700 spi->ppr_options &= ~MSG_EXT_PPR_DT_REQ; 701 702 syncrate = ahc_find_syncrate(ahc, &spi->sync_period, 703 &spi->ppr_options, 704 maxsync); 705 ahc_validate_offset(ahc, /*tinfo limit*/NULL, 706 syncrate, &spi->sync_offset, 707 spi->bus_width, ROLE_UNKNOWN); 708 709 /* We use a period of 0 to represent async */ 710 if (spi->sync_offset == 0) { 711 spi->sync_period = 0; 712 spi->ppr_options = 0; 713 } 714 715 ahc_set_syncrate(ahc, &devinfo, syncrate, 716 spi->sync_period, spi->sync_offset, 717 spi->ppr_options, update_type, 718 /*paused*/FALSE); 719 } 720 ccb->ccb_h.status = CAM_REQ_CMP; 721 xpt_done(ccb); 722 break; 723 } 724 case XPT_GET_TRAN_SETTINGS: 725 /* Get default/user set transfer settings for the target */ 726 { 727 ahc_get_tran_settings(ahc, SIM_SCSI_ID(ahc, sim), 728 SIM_CHANNEL(ahc, sim), &ccb->cts); 729 xpt_done(ccb); 730 break; 731 } 732 case XPT_CALC_GEOMETRY: 733 { 734 int extended; 735 736 extended = SIM_IS_SCSIBUS_B(ahc, sim) 737 ? ahc->flags & AHC_EXTENDED_TRANS_B 738 : ahc->flags & AHC_EXTENDED_TRANS_A; 739 aic_calc_geometry(&ccb->ccg, extended); 740 xpt_done(ccb); 741 break; 742 } 743 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 744 { 745 int found; 746 747 found = ahc_reset_channel(ahc, SIM_CHANNEL(ahc, sim), 748 /*initiate reset*/TRUE); 749 if (bootverbose) { 750 xpt_print_path(SIM_PATH(ahc, sim)); 751 printf("SCSI bus reset delivered. " 752 "%d SCBs aborted.\n", found); 753 } 754 ccb->ccb_h.status = CAM_REQ_CMP; 755 xpt_done(ccb); 756 break; 757 } 758 case XPT_TERM_IO: /* Terminate the I/O process */ 759 /* XXX Implement */ 760 ccb->ccb_h.status = CAM_REQ_INVALID; 761 xpt_done(ccb); 762 break; 763 case XPT_PATH_INQ: /* Path routing inquiry */ 764 { 765 struct ccb_pathinq *cpi = &ccb->cpi; 766 767 cpi->version_num = 1; /* XXX??? */ 768 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE; 769 if ((ahc->features & AHC_WIDE) != 0) 770 cpi->hba_inquiry |= PI_WIDE_16; 771 if ((ahc->features & AHC_TARGETMODE) != 0) { 772 cpi->target_sprt = PIT_PROCESSOR 773 | PIT_DISCONNECT 774 | PIT_TERM_IO; 775 } else { 776 cpi->target_sprt = 0; 777 } 778 cpi->hba_misc = 0; 779 cpi->hba_eng_cnt = 0; 780 cpi->max_target = (ahc->features & AHC_WIDE) ? 15 : 7; 781 cpi->max_lun = AHC_NUM_LUNS - 1; 782 if (SIM_IS_SCSIBUS_B(ahc, sim)) { 783 cpi->initiator_id = ahc->our_id_b; 784 if ((ahc->flags & AHC_RESET_BUS_B) == 0) 785 cpi->hba_misc |= PIM_NOBUSRESET; 786 } else { 787 cpi->initiator_id = ahc->our_id; 788 if ((ahc->flags & AHC_RESET_BUS_A) == 0) 789 cpi->hba_misc |= PIM_NOBUSRESET; 790 } 791 cpi->bus_id = cam_sim_bus(sim); 792 cpi->base_transfer_speed = 3300; 793 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 794 strlcpy(cpi->hba_vid, "Adaptec", HBA_IDLEN); 795 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 796 cpi->unit_number = cam_sim_unit(sim); 797 cpi->protocol = PROTO_SCSI; 798 cpi->protocol_version = SCSI_REV_2; 799 cpi->transport = XPORT_SPI; 800 cpi->transport_version = 2; 801 cpi->xport_specific.spi.ppr_options = SID_SPI_CLOCK_ST; 802 if ((ahc->features & AHC_DT) != 0) { 803 cpi->transport_version = 3; 804 cpi->xport_specific.spi.ppr_options = 805 SID_SPI_CLOCK_DT_ST; 806 } 807 cpi->ccb_h.status = CAM_REQ_CMP; 808 xpt_done(ccb); 809 break; 810 } 811 default: 812 ccb->ccb_h.status = CAM_PROVIDE_FAIL; 813 xpt_done(ccb); 814 break; 815 } 816} 817 818static void 819ahc_get_tran_settings(struct ahc_softc *ahc, int our_id, char channel, 820 struct ccb_trans_settings *cts) 821{ 822 struct ahc_devinfo devinfo; 823 struct ccb_trans_settings_scsi *scsi; 824 struct ccb_trans_settings_spi *spi; 825 struct ahc_initiator_tinfo *targ_info; 826 struct ahc_tmode_tstate *tstate; 827 struct ahc_transinfo *tinfo; 828 829 scsi = &cts->proto_specific.scsi; 830 spi = &cts->xport_specific.spi; 831 ahc_compile_devinfo(&devinfo, our_id, 832 cts->ccb_h.target_id, 833 cts->ccb_h.target_lun, 834 channel, ROLE_UNKNOWN); 835 targ_info = ahc_fetch_transinfo(ahc, devinfo.channel, 836 devinfo.our_scsiid, 837 devinfo.target, &tstate); 838 839 if (cts->type == CTS_TYPE_CURRENT_SETTINGS) 840 tinfo = &targ_info->curr; 841 else 842 tinfo = &targ_info->user; 843 844 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 845 spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB; 846 if (cts->type == CTS_TYPE_USER_SETTINGS) { 847 if ((ahc->user_discenable & devinfo.target_mask) != 0) 848 spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 849 850 if ((ahc->user_tagenable & devinfo.target_mask) != 0) 851 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 852 } else { 853 if ((tstate->discenable & devinfo.target_mask) != 0) 854 spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 855 856 if ((tstate->tagenable & devinfo.target_mask) != 0) 857 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 858 } 859 cts->protocol_version = tinfo->protocol_version; 860 cts->transport_version = tinfo->transport_version; 861 862 spi->sync_period = tinfo->period; 863 spi->sync_offset = tinfo->offset; 864 spi->bus_width = tinfo->width; 865 spi->ppr_options = tinfo->ppr_options; 866 867 cts->protocol = PROTO_SCSI; 868 cts->transport = XPORT_SPI; 869 spi->valid = CTS_SPI_VALID_SYNC_RATE 870 | CTS_SPI_VALID_SYNC_OFFSET 871 | CTS_SPI_VALID_BUS_WIDTH 872 | CTS_SPI_VALID_PPR_OPTIONS; 873 874 if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) { 875 scsi->valid = CTS_SCSI_VALID_TQ; 876 spi->valid |= CTS_SPI_VALID_DISC; 877 } else { 878 scsi->valid = 0; 879 } 880 881 cts->ccb_h.status = CAM_REQ_CMP; 882} 883 884static void 885ahc_async(void *callback_arg, uint32_t code, struct cam_path *path, void *arg) 886{ 887 struct ahc_softc *ahc; 888 struct cam_sim *sim; 889 890 sim = (struct cam_sim *)callback_arg; 891 ahc = (struct ahc_softc *)cam_sim_softc(sim); 892 switch (code) { 893 case AC_LOST_DEVICE: 894 { 895 struct ahc_devinfo devinfo; 896 897 ahc_compile_devinfo(&devinfo, SIM_SCSI_ID(ahc, sim), 898 xpt_path_target_id(path), 899 xpt_path_lun_id(path), 900 SIM_CHANNEL(ahc, sim), 901 ROLE_UNKNOWN); 902 903 /* 904 * Revert to async/narrow transfers 905 * for the next device. 906 */ 907 ahc_set_width(ahc, &devinfo, MSG_EXT_WDTR_BUS_8_BIT, 908 AHC_TRANS_GOAL|AHC_TRANS_CUR, /*paused*/FALSE); 909 ahc_set_syncrate(ahc, &devinfo, /*syncrate*/NULL, 910 /*period*/0, /*offset*/0, /*ppr_options*/0, 911 AHC_TRANS_GOAL|AHC_TRANS_CUR, 912 /*paused*/FALSE); 913 break; 914 } 915 default: 916 break; 917 } 918} 919 920static void 921ahc_execute_scb(void *arg, bus_dma_segment_t *dm_segs, int nsegments, 922 int error) 923{ 924 struct scb *scb; 925 union ccb *ccb; 926 struct ahc_softc *ahc; 927 struct ahc_initiator_tinfo *tinfo; 928 struct ahc_tmode_tstate *tstate; 929 u_int mask; 930 931 scb = (struct scb *)arg; 932 ccb = scb->io_ctx; 933 ahc = scb->ahc_softc; 934 935 if (error != 0) { 936 if (error == EFBIG) 937 aic_set_transaction_status(scb, CAM_REQ_TOO_BIG); 938 else 939 aic_set_transaction_status(scb, CAM_REQ_CMP_ERR); 940 if (nsegments != 0) 941 bus_dmamap_unload(ahc->buffer_dmat, scb->dmamap); 942 ahc_free_scb(ahc, scb); 943 xpt_done(ccb); 944 return; 945 } 946 if (nsegments != 0) { 947 struct ahc_dma_seg *sg; 948 bus_dma_segment_t *end_seg; 949 bus_dmasync_op_t op; 950 951 end_seg = dm_segs + nsegments; 952 953 /* Copy the segments into our SG list */ 954 sg = scb->sg_list; 955 while (dm_segs < end_seg) { 956 uint32_t len; 957 958 sg->addr = aic_htole32(dm_segs->ds_addr); 959 len = dm_segs->ds_len 960 | ((dm_segs->ds_addr >> 8) & 0x7F000000); 961 sg->len = aic_htole32(len); 962 sg++; 963 dm_segs++; 964 } 965 966 /* 967 * Note where to find the SG entries in bus space. 968 * We also set the full residual flag which the 969 * sequencer will clear as soon as a data transfer 970 * occurs. 971 */ 972 scb->hscb->sgptr = aic_htole32(scb->sg_list_phys|SG_FULL_RESID); 973 974 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) 975 op = BUS_DMASYNC_PREREAD; 976 else 977 op = BUS_DMASYNC_PREWRITE; 978 979 bus_dmamap_sync(ahc->buffer_dmat, scb->dmamap, op); 980 981 if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) { 982 struct target_data *tdata; 983 984 tdata = &scb->hscb->shared_data.tdata; 985 tdata->target_phases |= DPHASE_PENDING; 986 /* 987 * CAM data direction is relative to the initiator. 988 */ 989 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) 990 tdata->data_phase = P_DATAOUT; 991 else 992 tdata->data_phase = P_DATAIN; 993 994 /* 995 * If the transfer is of an odd length and in the 996 * "in" direction (scsi->HostBus), then it may 997 * trigger a bug in the 'WideODD' feature of 998 * non-Ultra2 chips. Force the total data-length 999 * to be even by adding an extra, 1 byte, SG, 1000 * element. We do this even if we are not currently 1001 * negotiated wide as negotiation could occur before 1002 * this command is executed. 1003 */ 1004 if ((ahc->bugs & AHC_TMODE_WIDEODD_BUG) != 0 1005 && (ccb->csio.dxfer_len & 0x1) != 0 1006 && (ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) { 1007 nsegments++; 1008 if (nsegments > AHC_NSEG) { 1009 aic_set_transaction_status(scb, 1010 CAM_REQ_TOO_BIG); 1011 bus_dmamap_unload(ahc->buffer_dmat, 1012 scb->dmamap); 1013 ahc_free_scb(ahc, scb); 1014 xpt_done(ccb); 1015 return; 1016 } 1017 sg->addr = aic_htole32(ahc->dma_bug_buf); 1018 sg->len = aic_htole32(1); 1019 sg++; 1020 } 1021 } 1022 sg--; 1023 sg->len |= aic_htole32(AHC_DMA_LAST_SEG); 1024 1025 /* Copy the first SG into the "current" data pointer area */ 1026 scb->hscb->dataptr = scb->sg_list->addr; 1027 scb->hscb->datacnt = scb->sg_list->len; 1028 } else { 1029 scb->hscb->sgptr = aic_htole32(SG_LIST_NULL); 1030 scb->hscb->dataptr = 0; 1031 scb->hscb->datacnt = 0; 1032 } 1033 1034 scb->sg_count = nsegments; 1035 1036 /* 1037 * Last time we need to check if this SCB needs to 1038 * be aborted. 1039 */ 1040 if (aic_get_transaction_status(scb) != CAM_REQ_INPROG) { 1041 if (nsegments != 0) 1042 bus_dmamap_unload(ahc->buffer_dmat, scb->dmamap); 1043 ahc_free_scb(ahc, scb); 1044 xpt_done(ccb); 1045 return; 1046 } 1047 1048 tinfo = ahc_fetch_transinfo(ahc, SCSIID_CHANNEL(ahc, scb->hscb->scsiid), 1049 SCSIID_OUR_ID(scb->hscb->scsiid), 1050 SCSIID_TARGET(ahc, scb->hscb->scsiid), 1051 &tstate); 1052 1053 mask = SCB_GET_TARGET_MASK(ahc, scb); 1054 scb->hscb->scsirate = tinfo->scsirate; 1055 scb->hscb->scsioffset = tinfo->curr.offset; 1056 if ((tstate->ultraenb & mask) != 0) 1057 scb->hscb->control |= ULTRAENB; 1058 1059 if ((tstate->discenable & mask) != 0 1060 && (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) == 0) 1061 scb->hscb->control |= DISCENB; 1062 1063 if ((ccb->ccb_h.flags & CAM_NEGOTIATE) != 0 1064 && (tinfo->goal.width != 0 1065 || tinfo->goal.offset != 0 1066 || tinfo->goal.ppr_options != 0)) { 1067 scb->flags |= SCB_NEGOTIATE; 1068 scb->hscb->control |= MK_MESSAGE; 1069 } else if ((tstate->auto_negotiate & mask) != 0) { 1070 scb->flags |= SCB_AUTO_NEGOTIATE; 1071 scb->hscb->control |= MK_MESSAGE; 1072 } 1073 1074 LIST_INSERT_HEAD(&ahc->pending_scbs, scb, pending_links); 1075 1076 ccb->ccb_h.status |= CAM_SIM_QUEUED; 1077 1078 /* 1079 * We only allow one untagged transaction 1080 * per target in the initiator role unless 1081 * we are storing a full busy target *lun* 1082 * table in SCB space. 1083 */ 1084 if ((scb->hscb->control & (TARGET_SCB|TAG_ENB)) == 0 1085 && (ahc->flags & AHC_SCB_BTT) == 0) { 1086 struct scb_tailq *untagged_q; 1087 int target_offset; 1088 1089 target_offset = SCB_GET_TARGET_OFFSET(ahc, scb); 1090 untagged_q = &(ahc->untagged_queues[target_offset]); 1091 TAILQ_INSERT_TAIL(untagged_q, scb, links.tqe); 1092 scb->flags |= SCB_UNTAGGEDQ; 1093 if (TAILQ_FIRST(untagged_q) != scb) { 1094 return; 1095 } 1096 } 1097 scb->flags |= SCB_ACTIVE; 1098 1099 /* 1100 * Timers are disabled while recovery is in progress. 1101 */ 1102 aic_scb_timer_start(scb); 1103 1104 if ((scb->flags & SCB_TARGET_IMMEDIATE) != 0) { 1105 /* Define a mapping from our tag to the SCB. */ 1106 ahc->scb_data->scbindex[scb->hscb->tag] = scb; 1107 ahc_pause(ahc); 1108 if ((ahc->flags & AHC_PAGESCBS) == 0) 1109 ahc_outb(ahc, SCBPTR, scb->hscb->tag); 1110 ahc_outb(ahc, TARG_IMMEDIATE_SCB, scb->hscb->tag); 1111 ahc_unpause(ahc); 1112 } else { 1113 ahc_queue_scb(ahc, scb); 1114 } 1115} 1116 1117static void 1118ahc_poll(struct cam_sim *sim) 1119{ 1120 struct ahc_softc *ahc; 1121 1122 ahc = (struct ahc_softc *)cam_sim_softc(sim); 1123 ahc_intr(ahc); 1124} 1125 1126static void 1127ahc_setup_data(struct ahc_softc *ahc, struct cam_sim *sim, 1128 struct ccb_scsiio *csio, struct scb *scb) 1129{ 1130 struct hardware_scb *hscb; 1131 struct ccb_hdr *ccb_h; 1132 int error; 1133 1134 hscb = scb->hscb; 1135 ccb_h = &csio->ccb_h; 1136 1137 csio->resid = 0; 1138 csio->sense_resid = 0; 1139 if (ccb_h->func_code == XPT_SCSI_IO) { 1140 hscb->cdb_len = csio->cdb_len; 1141 if ((ccb_h->flags & CAM_CDB_POINTER) != 0) { 1142 if (hscb->cdb_len > sizeof(hscb->cdb32) 1143 || (ccb_h->flags & CAM_CDB_PHYS) != 0) { 1144 aic_set_transaction_status(scb, 1145 CAM_REQ_INVALID); 1146 ahc_free_scb(ahc, scb); 1147 xpt_done((union ccb *)csio); 1148 return; 1149 } 1150 if (hscb->cdb_len > 12) { 1151 memcpy(hscb->cdb32, 1152 csio->cdb_io.cdb_ptr, 1153 hscb->cdb_len); 1154 scb->flags |= SCB_CDB32_PTR; 1155 } else { 1156 memcpy(hscb->shared_data.cdb, 1157 csio->cdb_io.cdb_ptr, 1158 hscb->cdb_len); 1159 } 1160 } else { 1161 if (hscb->cdb_len > 12) { 1162 memcpy(hscb->cdb32, csio->cdb_io.cdb_bytes, 1163 hscb->cdb_len); 1164 scb->flags |= SCB_CDB32_PTR; 1165 } else { 1166 memcpy(hscb->shared_data.cdb, 1167 csio->cdb_io.cdb_bytes, 1168 hscb->cdb_len); 1169 } 1170 } 1171 } 1172 1173 error = bus_dmamap_load_ccb(ahc->buffer_dmat, 1174 scb->dmamap, 1175 (union ccb *)csio, 1176 ahc_execute_scb, 1177 scb, 1178 0); 1179 if (error == EINPROGRESS) { 1180 /* 1181 * So as to maintain ordering, 1182 * freeze the controller queue 1183 * until our mapping is 1184 * returned. 1185 */ 1186 xpt_freeze_simq(sim, /*count*/1); 1187 scb->io_ctx->ccb_h.status |= CAM_RELEASE_SIMQ; 1188 } 1189} 1190 1191static void 1192ahc_abort_ccb(struct ahc_softc *ahc, struct cam_sim *sim, union ccb *ccb) 1193{ 1194 union ccb *abort_ccb; 1195 1196 abort_ccb = ccb->cab.abort_ccb; 1197 switch (abort_ccb->ccb_h.func_code) { 1198 case XPT_ACCEPT_TARGET_IO: 1199 case XPT_IMMEDIATE_NOTIFY: 1200 case XPT_CONT_TARGET_IO: 1201 { 1202 struct ahc_tmode_tstate *tstate; 1203 struct ahc_tmode_lstate *lstate; 1204 struct ccb_hdr_slist *list; 1205 cam_status status; 1206 1207 status = ahc_find_tmode_devs(ahc, sim, abort_ccb, &tstate, 1208 &lstate, TRUE); 1209 1210 if (status != CAM_REQ_CMP) { 1211 ccb->ccb_h.status = status; 1212 break; 1213 } 1214 1215 if (abort_ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) 1216 list = &lstate->accept_tios; 1217 else if (abort_ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) 1218 list = &lstate->immed_notifies; 1219 else 1220 list = NULL; 1221 1222 if (list != NULL) { 1223 struct ccb_hdr *curelm; 1224 int found; 1225 1226 curelm = SLIST_FIRST(list); 1227 found = 0; 1228 if (curelm == &abort_ccb->ccb_h) { 1229 found = 1; 1230 SLIST_REMOVE_HEAD(list, sim_links.sle); 1231 } else { 1232 while(curelm != NULL) { 1233 struct ccb_hdr *nextelm; 1234 1235 nextelm = 1236 SLIST_NEXT(curelm, sim_links.sle); 1237 1238 if (nextelm == &abort_ccb->ccb_h) { 1239 found = 1; 1240 SLIST_NEXT(curelm, 1241 sim_links.sle) = 1242 SLIST_NEXT(nextelm, 1243 sim_links.sle); 1244 break; 1245 } 1246 curelm = nextelm; 1247 } 1248 } 1249 1250 if (found) { 1251 abort_ccb->ccb_h.status = CAM_REQ_ABORTED; 1252 xpt_done(abort_ccb); 1253 ccb->ccb_h.status = CAM_REQ_CMP; 1254 } else { 1255 xpt_print_path(abort_ccb->ccb_h.path); 1256 printf("Not found\n"); 1257 ccb->ccb_h.status = CAM_PATH_INVALID; 1258 } 1259 break; 1260 } 1261 /* FALLTHROUGH */ 1262 } 1263 case XPT_SCSI_IO: 1264 /* XXX Fully implement the hard ones */ 1265 ccb->ccb_h.status = CAM_UA_ABORT; 1266 break; 1267 default: 1268 ccb->ccb_h.status = CAM_REQ_INVALID; 1269 break; 1270 } 1271 xpt_done(ccb); 1272} 1273 1274void 1275ahc_send_async(struct ahc_softc *ahc, char channel, u_int target, 1276 u_int lun, ac_code code, void *opt_arg) 1277{ 1278 struct ccb_trans_settings cts; 1279 struct cam_path *path; 1280 void *arg; 1281 int error; 1282 1283 arg = NULL; 1284 error = ahc_create_path(ahc, channel, target, lun, &path); 1285 1286 if (error != CAM_REQ_CMP) 1287 return; 1288 1289 switch (code) { 1290 case AC_TRANSFER_NEG: 1291 { 1292 struct ccb_trans_settings_scsi *scsi; 1293 1294 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1295 scsi = &cts.proto_specific.scsi; 1296 cts.ccb_h.path = path; 1297 cts.ccb_h.target_id = target; 1298 cts.ccb_h.target_lun = lun; 1299 ahc_get_tran_settings(ahc, channel == 'A' ? ahc->our_id 1300 : ahc->our_id_b, 1301 channel, &cts); 1302 arg = &cts; 1303 scsi->valid &= ~CTS_SCSI_VALID_TQ; 1304 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 1305 if (opt_arg == NULL) 1306 break; 1307 if (*((ahc_queue_alg *)opt_arg) == AHC_QUEUE_TAGGED) 1308 scsi->flags |= ~CTS_SCSI_FLAGS_TAG_ENB; 1309 scsi->valid |= CTS_SCSI_VALID_TQ; 1310 break; 1311 } 1312 case AC_SENT_BDR: 1313 case AC_BUS_RESET: 1314 break; 1315 default: 1316 panic("ahc_send_async: Unexpected async event"); 1317 } 1318 xpt_async(code, path, arg); 1319 xpt_free_path(path); 1320} 1321 1322void 1323ahc_platform_set_tags(struct ahc_softc *ahc, 1324 struct ahc_devinfo *devinfo, int enable) 1325{ 1326} 1327 1328int 1329ahc_platform_alloc(struct ahc_softc *ahc, void *platform_arg) 1330{ 1331 ahc->platform_data = malloc(sizeof(struct ahc_platform_data), M_DEVBUF, 1332 M_NOWAIT | M_ZERO); 1333 if (ahc->platform_data == NULL) 1334 return (ENOMEM); 1335 return (0); 1336} 1337 1338void 1339ahc_platform_free(struct ahc_softc *ahc) 1340{ 1341 struct ahc_platform_data *pdata; 1342 1343 pdata = ahc->platform_data; 1344 if (pdata != NULL) { 1345 if (pdata->regs != NULL) 1346 bus_release_resource(ahc->dev_softc, 1347 pdata->regs_res_type, 1348 pdata->regs_res_id, 1349 pdata->regs); 1350 1351 if (pdata->irq != NULL) 1352 bus_release_resource(ahc->dev_softc, 1353 pdata->irq_res_type, 1354 0, pdata->irq); 1355 1356 if (pdata->sim_b != NULL) { 1357 xpt_async(AC_LOST_DEVICE, pdata->path_b, NULL); 1358 xpt_free_path(pdata->path_b); 1359 xpt_bus_deregister(cam_sim_path(pdata->sim_b)); 1360 cam_sim_free(pdata->sim_b, /*free_devq*/TRUE); 1361 } 1362 if (pdata->sim != NULL) { 1363 xpt_async(AC_LOST_DEVICE, pdata->path, NULL); 1364 xpt_free_path(pdata->path); 1365 xpt_bus_deregister(cam_sim_path(pdata->sim)); 1366 cam_sim_free(pdata->sim, /*free_devq*/TRUE); 1367 } 1368 if (pdata->eh != NULL) 1369 EVENTHANDLER_DEREGISTER(shutdown_final, pdata->eh); 1370 free(ahc->platform_data, M_DEVBUF); 1371 } 1372} 1373 1374int 1375ahc_softc_comp(struct ahc_softc *lahc, struct ahc_softc *rahc) 1376{ 1377 /* We don't sort softcs under FreeBSD so report equal always */ 1378 return (0); 1379} 1380 1381int 1382ahc_detach(device_t dev) 1383{ 1384 struct ahc_softc *ahc; 1385 1386 device_printf(dev, "detaching device\n"); 1387 ahc = device_get_softc(dev); 1388 ahc_lock(ahc); 1389 TAILQ_REMOVE(&ahc_tailq, ahc, links); 1390 ahc_intr_enable(ahc, FALSE); 1391 bus_teardown_intr(dev, ahc->platform_data->irq, ahc->platform_data->ih); 1392 ahc_unlock(ahc); 1393 ahc_free(ahc); 1394 return (0); 1395} 1396 1397#if 0 1398static void 1399ahc_dump_targcmd(struct target_cmd *cmd) 1400{ 1401 uint8_t *byte; 1402 uint8_t *last_byte; 1403 int i; 1404 1405 byte = &cmd->initiator_channel; 1406 /* Debugging info for received commands */ 1407 last_byte = &cmd[1].initiator_channel; 1408 1409 i = 0; 1410 while (byte < last_byte) { 1411 if (i == 0) 1412 printf("\t"); 1413 printf("%#x", *byte++); 1414 i++; 1415 if (i == 8) { 1416 printf("\n"); 1417 i = 0; 1418 } else { 1419 printf(", "); 1420 } 1421 } 1422} 1423#endif 1424 1425static int 1426ahc_modevent(module_t mod, int type, void *data) 1427{ 1428 /* XXX Deal with busy status on unload. */ 1429 /* XXX Deal with unknown events */ 1430 return 0; 1431} 1432 1433static moduledata_t ahc_mod = { 1434 "ahc", 1435 ahc_modevent, 1436 NULL 1437}; 1438 1439DECLARE_MODULE(ahc, ahc_mod, SI_SUB_DRIVERS, SI_ORDER_MIDDLE); 1440MODULE_DEPEND(ahc, cam, 1, 1, 1); 1441MODULE_VERSION(ahc, 1); 1442