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 <dev/aic7xxx/aic79xx_osm.h> 36#include <dev/aic7xxx/aic79xx_inline.h> 37 38#include <sys/kthread.h> 39 40#include "opt_ddb.h" 41#ifdef DDB 42#include <ddb/ddb.h> 43#endif 44 45#ifndef AHD_TMODE_ENABLE 46#define AHD_TMODE_ENABLE 0 47#endif 48 49#include <dev/aic7xxx/aic_osm_lib.c> 50 51#define ccb_scb_ptr spriv_ptr0 52 53#if 0 54static void ahd_dump_targcmd(struct target_cmd *cmd); 55#endif 56static int ahd_modevent(module_t mod, int type, void *data); 57static void ahd_action(struct cam_sim *sim, union ccb *ccb); 58static void ahd_set_tran_settings(struct ahd_softc *ahd, 59 int our_id, char channel, 60 struct ccb_trans_settings *cts); 61static void ahd_get_tran_settings(struct ahd_softc *ahd, 62 int our_id, char channel, 63 struct ccb_trans_settings *cts); 64static void ahd_async(void *callback_arg, uint32_t code, 65 struct cam_path *path, void *arg); 66static void ahd_execute_scb(void *arg, bus_dma_segment_t *dm_segs, 67 int nsegments, int error); 68static void ahd_poll(struct cam_sim *sim); 69static void ahd_setup_data(struct ahd_softc *ahd, struct cam_sim *sim, 70 struct ccb_scsiio *csio, struct scb *scb); 71static void ahd_abort_ccb(struct ahd_softc *ahd, struct cam_sim *sim, 72 union ccb *ccb); 73static int ahd_create_path(struct ahd_softc *ahd, 74 char channel, u_int target, u_int lun, 75 struct cam_path **path); 76 77static const char *ahd_sysctl_node_elements[] = { 78 "root", 79 "summary", 80 "debug" 81}; 82 83#ifndef NO_SYSCTL_DESCR 84static const char *ahd_sysctl_node_descriptions[] = { 85 "root error collection for aic79xx controllers", 86 "summary collection for aic79xx controllers", 87 "debug collection for aic79xx controllers" 88}; 89#endif 90 91static const char *ahd_sysctl_errors_elements[] = { 92 "Cerrors", 93 "Uerrors", 94 "Ferrors" 95}; 96 97#ifndef NO_SYSCTL_DESCR 98static const char *ahd_sysctl_errors_descriptions[] = { 99 "Correctable errors", 100 "Uncorrectable errors", 101 "Fatal errors" 102}; 103#endif 104 105static int 106ahd_set_debugcounters(SYSCTL_HANDLER_ARGS) 107{ 108 struct ahd_softc *sc; 109 int error, tmpv; 110 111 tmpv = 0; 112 sc = arg1; 113 error = sysctl_handle_int(oidp, &tmpv, 0, req); 114 if (error != 0 || req->newptr == NULL) 115 return (error); 116 if (tmpv < 0 || tmpv >= AHD_ERRORS_NUMBER) 117 return (EINVAL); 118 sc->summerr[arg2] = tmpv; 119 return (0); 120} 121 122static int 123ahd_clear_allcounters(SYSCTL_HANDLER_ARGS) 124{ 125 struct ahd_softc *sc; 126 int error, tmpv; 127 128 tmpv = 0; 129 sc = arg1; 130 error = sysctl_handle_int(oidp, &tmpv, 0, req); 131 if (error != 0 || req->newptr == NULL) 132 return (error); 133 if (tmpv != 0) 134 bzero(sc->summerr, sizeof(sc->summerr)); 135 return (0); 136} 137 138static int 139ahd_create_path(struct ahd_softc *ahd, char channel, u_int target, 140 u_int lun, struct cam_path **path) 141{ 142 path_id_t path_id; 143 144 path_id = cam_sim_path(ahd->platform_data->sim); 145 return (xpt_create_path(path, /*periph*/NULL, 146 path_id, target, lun)); 147} 148 149void 150ahd_sysctl(struct ahd_softc *ahd) 151{ 152 u_int i; 153 154 for (i = 0; i < AHD_SYSCTL_NUMBER; i++) 155 sysctl_ctx_init(&ahd->sysctl_ctx[i]); 156 157 ahd->sysctl_tree[AHD_SYSCTL_ROOT] = 158 SYSCTL_ADD_NODE(&ahd->sysctl_ctx[AHD_SYSCTL_ROOT], 159 SYSCTL_STATIC_CHILDREN(_hw), OID_AUTO, 160 device_get_nameunit(ahd->dev_softc), 161 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, 162 ahd_sysctl_node_descriptions[AHD_SYSCTL_ROOT]); 163 SYSCTL_ADD_PROC(&ahd->sysctl_ctx[AHD_SYSCTL_ROOT], 164 SYSCTL_CHILDREN(ahd->sysctl_tree[AHD_SYSCTL_ROOT]), OID_AUTO, 165 "clear", CTLTYPE_UINT | CTLFLAG_RW | CTLFLAG_MPSAFE, ahd, 166 0, ahd_clear_allcounters, "IU", "Clear all counters"); 167 168 for (i = AHD_SYSCTL_SUMMARY; i < AHD_SYSCTL_NUMBER; i++) 169 ahd->sysctl_tree[i] = 170 SYSCTL_ADD_NODE(&ahd->sysctl_ctx[i], 171 SYSCTL_CHILDREN(ahd->sysctl_tree[AHD_SYSCTL_ROOT]), 172 OID_AUTO, ahd_sysctl_node_elements[i], 173 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, 174 ahd_sysctl_node_descriptions[i]); 175 176 for (i = AHD_ERRORS_CORRECTABLE; i < AHD_ERRORS_NUMBER; i++) { 177 SYSCTL_ADD_UINT(&ahd->sysctl_ctx[AHD_SYSCTL_SUMMARY], 178 SYSCTL_CHILDREN(ahd->sysctl_tree[AHD_SYSCTL_SUMMARY]), 179 OID_AUTO, ahd_sysctl_errors_elements[i], 180 CTLFLAG_RD, &ahd->summerr[i], i, 181 ahd_sysctl_errors_descriptions[i]); 182 SYSCTL_ADD_PROC(&ahd->sysctl_ctx[AHD_SYSCTL_DEBUG], 183 SYSCTL_CHILDREN(ahd->sysctl_tree[AHD_SYSCTL_DEBUG]), 184 OID_AUTO, ahd_sysctl_errors_elements[i], 185 CTLFLAG_RW | CTLTYPE_UINT | CTLFLAG_MPSAFE, ahd, i, 186 ahd_set_debugcounters, "IU", 187 ahd_sysctl_errors_descriptions[i]); 188 } 189} 190 191int 192ahd_map_int(struct ahd_softc *ahd) 193{ 194 int error; 195 196 /* Hook up our interrupt handler */ 197 error = bus_setup_intr(ahd->dev_softc, ahd->platform_data->irq, 198 INTR_TYPE_CAM|INTR_MPSAFE, NULL, 199 ahd_platform_intr, ahd, &ahd->platform_data->ih); 200 if (error != 0) 201 device_printf(ahd->dev_softc, "bus_setup_intr() failed: %d\n", 202 error); 203 return (error); 204} 205 206/* 207 * Attach all the sub-devices we can find 208 */ 209int 210ahd_attach(struct ahd_softc *ahd) 211{ 212 char ahd_info[256]; 213 struct ccb_setasync csa; 214 struct cam_devq *devq; 215 struct cam_sim *sim; 216 struct cam_path *path; 217 int count; 218 219 count = 0; 220 devq = NULL; 221 sim = NULL; 222 path = NULL; 223 224 /* 225 * Create a thread to perform all recovery. 226 */ 227 if (ahd_spawn_recovery_thread(ahd) != 0) 228 goto fail; 229 230 ahd_controller_info(ahd, ahd_info); 231 printf("%s\n", ahd_info); 232 ahd_lock(ahd); 233 234 /* 235 * Create the device queue for our SIM(s). 236 */ 237 devq = cam_simq_alloc(AHD_MAX_QUEUE); 238 if (devq == NULL) 239 goto fail; 240 241 /* 242 * Construct our SIM entry 243 */ 244 sim = cam_sim_alloc(ahd_action, ahd_poll, "ahd", ahd, 245 device_get_unit(ahd->dev_softc), 246 &ahd->platform_data->mtx, 1, /*XXX*/256, devq); 247 if (sim == NULL) { 248 cam_simq_free(devq); 249 goto fail; 250 } 251 252 if (xpt_bus_register(sim, ahd->dev_softc, /*bus_id*/0) != CAM_SUCCESS) { 253 cam_sim_free(sim, /*free_devq*/TRUE); 254 sim = NULL; 255 goto fail; 256 } 257 258 if (xpt_create_path(&path, /*periph*/NULL, 259 cam_sim_path(sim), CAM_TARGET_WILDCARD, 260 CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 261 xpt_bus_deregister(cam_sim_path(sim)); 262 cam_sim_free(sim, /*free_devq*/TRUE); 263 sim = NULL; 264 goto fail; 265 } 266 267 memset(&csa, 0, sizeof(csa)); 268 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5); 269 csa.ccb_h.func_code = XPT_SASYNC_CB; 270 csa.event_enable = AC_LOST_DEVICE; 271 csa.callback = ahd_async; 272 csa.callback_arg = sim; 273 xpt_action((union ccb *)&csa); 274 count++; 275 276fail: 277 ahd->platform_data->sim = sim; 278 ahd->platform_data->path = path; 279 ahd_unlock(ahd); 280 if (count != 0) { 281 /* We have to wait until after any system dumps... */ 282 ahd->platform_data->eh = 283 EVENTHANDLER_REGISTER(shutdown_final, ahd_shutdown, 284 ahd, SHUTDOWN_PRI_DEFAULT); 285 ahd_intr_enable(ahd, TRUE); 286 } 287 288 return (count); 289} 290 291/* 292 * Catch an interrupt from the adapter 293 */ 294void 295ahd_platform_intr(void *arg) 296{ 297 struct ahd_softc *ahd; 298 299 ahd = (struct ahd_softc *)arg; 300 ahd_lock(ahd); 301 ahd_intr(ahd); 302 ahd_unlock(ahd); 303} 304 305static void 306ahd_sync_ccb(struct ahd_softc *ahd, struct scb *scb, union ccb *ccb, bool post) 307{ 308 bus_dmasync_op_t op; 309 uint32_t rdmask; 310 311 if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) 312 rdmask = CAM_DIR_OUT; 313 else 314 rdmask = CAM_DIR_IN; 315 316 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == rdmask) 317 op = post ? BUS_DMASYNC_POSTREAD : BUS_DMASYNC_PREREAD; 318 else 319 op = post ? BUS_DMASYNC_POSTWRITE : BUS_DMASYNC_PREWRITE; 320 321 bus_dmamap_sync(ahd->buffer_dmat, scb->dmamap, op); 322} 323 324/* 325 * We have an scb which has been processed by the 326 * adaptor, now we look to see how the operation 327 * went. 328 */ 329void 330ahd_done(struct ahd_softc *ahd, struct scb *scb) 331{ 332 union ccb *ccb; 333 334 CAM_DEBUG(scb->io_ctx->ccb_h.path, CAM_DEBUG_TRACE, 335 ("ahd_done - scb %d\n", SCB_GET_TAG(scb))); 336 337 ccb = scb->io_ctx; 338 LIST_REMOVE(scb, pending_links); 339 if ((scb->flags & SCB_TIMEDOUT) != 0) 340 LIST_REMOVE(scb, timedout_links); 341 342 callout_stop(&scb->io_timer); 343 344 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 345 ahd_sync_ccb(ahd, scb, ccb, true); 346 bus_dmamap_unload(ahd->buffer_dmat, scb->dmamap); 347 } 348 349#ifdef AHD_TARGET_MODE 350 if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) { 351 struct cam_path *ccb_path; 352 353 /* 354 * If we have finally disconnected, clean up our 355 * pending device state. 356 * XXX - There may be error states that cause where 357 * we will remain connected. 358 */ 359 ccb_path = ccb->ccb_h.path; 360 if (ahd->pending_device != NULL 361 && xpt_path_comp(ahd->pending_device->path, ccb_path) == 0) { 362 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) != 0) { 363 ahd->pending_device = NULL; 364 } else { 365 xpt_print_path(ccb->ccb_h.path); 366 printf("Still disconnected\n"); 367 ahd_freeze_ccb(ccb); 368 } 369 } 370 371 if (aic_get_transaction_status(scb) == CAM_REQ_INPROG) 372 ccb->ccb_h.status |= CAM_REQ_CMP; 373 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 374 ahd_free_scb(ahd, scb); 375 xpt_done(ccb); 376 return; 377 } 378#endif 379 380 if ((scb->flags & SCB_RECOVERY_SCB) != 0) { 381 struct scb *list_scb; 382 383 ahd->scb_data.recovery_scbs--; 384 385 if (aic_get_transaction_status(scb) == CAM_BDR_SENT 386 || aic_get_transaction_status(scb) == CAM_REQ_ABORTED) 387 aic_set_transaction_status(scb, CAM_CMD_TIMEOUT); 388 389 if (ahd->scb_data.recovery_scbs == 0) { 390 /* 391 * All recovery actions have completed successfully, 392 * so reinstate the timeouts for all other pending 393 * commands. 394 */ 395 LIST_FOREACH(list_scb, 396 &ahd->pending_scbs, pending_links) { 397 aic_scb_timer_reset(list_scb, 398 aic_get_timeout(scb)); 399 } 400 401 ahd_print_path(ahd, scb); 402 printf("no longer in timeout, status = %x\n", 403 ccb->ccb_h.status); 404 } 405 } 406 407 /* Don't clobber any existing error state */ 408 if (aic_get_transaction_status(scb) == CAM_REQ_INPROG) { 409 ccb->ccb_h.status |= CAM_REQ_CMP; 410 } else if ((scb->flags & SCB_SENSE) != 0) { 411 /* 412 * We performed autosense retrieval. 413 * 414 * Zero any sense not transferred by the 415 * device. The SCSI spec mandates that any 416 * untransfered data should be assumed to be 417 * zero. Complete the 'bounce' of sense information 418 * through buffers accessible via bus-space by 419 * copying it into the clients csio. 420 */ 421 memset(&ccb->csio.sense_data, 0, sizeof(ccb->csio.sense_data)); 422 memcpy(&ccb->csio.sense_data, 423 ahd_get_sense_buf(ahd, scb), 424/* XXX What size do we want to use??? */ 425 sizeof(ccb->csio.sense_data) 426 - ccb->csio.sense_resid); 427 scb->io_ctx->ccb_h.status |= CAM_AUTOSNS_VALID; 428 } else if ((scb->flags & SCB_PKT_SENSE) != 0) { 429 struct scsi_status_iu_header *siu; 430 u_int sense_len; 431 432 /* 433 * Copy only the sense data into the provided buffer. 434 */ 435 siu = (struct scsi_status_iu_header *)scb->sense_data; 436 sense_len = MIN(scsi_4btoul(siu->sense_length), 437 sizeof(ccb->csio.sense_data)); 438 memset(&ccb->csio.sense_data, 0, sizeof(ccb->csio.sense_data)); 439 memcpy(&ccb->csio.sense_data, 440 ahd_get_sense_buf(ahd, scb) + SIU_SENSE_OFFSET(siu), 441 sense_len); 442#ifdef AHD_DEBUG 443 if ((ahd_debug & AHD_SHOW_SENSE) != 0) { 444 uint8_t *sense_data = (uint8_t *)&ccb->csio.sense_data; 445 u_int i; 446 447 printf("Copied %d bytes of sense data offset %d:", 448 sense_len, SIU_SENSE_OFFSET(siu)); 449 for (i = 0; i < sense_len; i++) 450 printf(" 0x%x", *sense_data++); 451 printf("\n"); 452 } 453#endif 454 scb->io_ctx->ccb_h.status |= CAM_AUTOSNS_VALID; 455 } 456 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 457 ahd_free_scb(ahd, scb); 458 xpt_done(ccb); 459} 460 461static void 462ahd_action(struct cam_sim *sim, union ccb *ccb) 463{ 464 struct ahd_softc *ahd; 465#ifdef AHD_TARGET_MODE 466 struct ahd_tmode_lstate *lstate; 467#endif 468 u_int target_id; 469 u_int our_id; 470 471 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("ahd_action\n")); 472 473 ahd = (struct ahd_softc *)cam_sim_softc(sim); 474 475 target_id = ccb->ccb_h.target_id; 476 our_id = SIM_SCSI_ID(ahd, sim); 477 478 switch (ccb->ccb_h.func_code) { 479 /* Common cases first */ 480#ifdef AHD_TARGET_MODE 481 case XPT_ACCEPT_TARGET_IO: /* Accept Host Target Mode CDB */ 482 case XPT_CONT_TARGET_IO:/* Continue Host Target I/O Connection*/ 483 { 484 struct ahd_tmode_tstate *tstate; 485 cam_status status; 486 487 status = ahd_find_tmode_devs(ahd, sim, ccb, &tstate, 488 &lstate, TRUE); 489 490 if (status != CAM_REQ_CMP) { 491 if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) { 492 /* Response from the black hole device */ 493 tstate = NULL; 494 lstate = ahd->black_hole; 495 } else { 496 ccb->ccb_h.status = status; 497 xpt_done(ccb); 498 break; 499 } 500 } 501 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { 502 SLIST_INSERT_HEAD(&lstate->accept_tios, &ccb->ccb_h, 503 sim_links.sle); 504 ccb->ccb_h.status = CAM_REQ_INPROG; 505 if ((ahd->flags & AHD_TQINFIFO_BLOCKED) != 0) 506 ahd_run_tqinfifo(ahd, /*paused*/FALSE); 507 break; 508 } 509 510 /* 511 * The target_id represents the target we attempt to 512 * select. In target mode, this is the initiator of 513 * the original command. 514 */ 515 our_id = target_id; 516 target_id = ccb->csio.init_id; 517 /* FALLTHROUGH */ 518 } 519#endif 520 case XPT_SCSI_IO: /* Execute the requested I/O operation */ 521 case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */ 522 { 523 struct scb *scb; 524 struct hardware_scb *hscb; 525 struct ahd_initiator_tinfo *tinfo; 526 struct ahd_tmode_tstate *tstate; 527 u_int col_idx; 528 529 if ((ahd->flags & AHD_INITIATORROLE) == 0 530 && (ccb->ccb_h.func_code == XPT_SCSI_IO 531 || ccb->ccb_h.func_code == XPT_RESET_DEV)) { 532 ccb->ccb_h.status = CAM_PROVIDE_FAIL; 533 xpt_done(ccb); 534 return; 535 } 536 537 /* 538 * get an scb to use. 539 */ 540 tinfo = ahd_fetch_transinfo(ahd, 'A', our_id, 541 target_id, &tstate); 542 if ((ccb->ccb_h.flags & CAM_TAG_ACTION_VALID) == 0 543 || (tinfo->curr.ppr_options & MSG_EXT_PPR_IU_REQ) != 0 544 || ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) { 545 col_idx = AHD_NEVER_COL_IDX; 546 } else { 547 col_idx = AHD_BUILD_COL_IDX(target_id, 548 ccb->ccb_h.target_lun); 549 } 550 if ((scb = ahd_get_scb(ahd, col_idx)) == NULL) { 551 xpt_freeze_simq(sim, /*count*/1); 552 ahd->flags |= AHD_RESOURCE_SHORTAGE; 553 ccb->ccb_h.status = CAM_REQUEUE_REQ; 554 xpt_done(ccb); 555 return; 556 } 557 558 hscb = scb->hscb; 559 560 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_SUBTRACE, 561 ("start scb(%p)\n", scb)); 562 scb->io_ctx = ccb; 563 /* 564 * So we can find the SCB when an abort is requested 565 */ 566 ccb->ccb_h.ccb_scb_ptr = scb; 567 568 /* 569 * Put all the arguments for the xfer in the scb 570 */ 571 hscb->control = 0; 572 hscb->scsiid = BUILD_SCSIID(ahd, sim, target_id, our_id); 573 hscb->lun = ccb->ccb_h.target_lun; 574 if (ccb->ccb_h.func_code == XPT_RESET_DEV) { 575 hscb->cdb_len = 0; 576 scb->flags |= SCB_DEVICE_RESET; 577 hscb->control |= MK_MESSAGE; 578 hscb->task_management = SIU_TASKMGMT_LUN_RESET; 579 ahd_execute_scb(scb, NULL, 0, 0); 580 } else { 581#ifdef AHD_TARGET_MODE 582 if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) { 583 struct target_data *tdata; 584 585 tdata = &hscb->shared_data.tdata; 586 if (ahd->pending_device == lstate) 587 scb->flags |= SCB_TARGET_IMMEDIATE; 588 hscb->control |= TARGET_SCB; 589 tdata->target_phases = 0; 590 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) != 0) { 591 tdata->target_phases |= SPHASE_PENDING; 592 tdata->scsi_status = 593 ccb->csio.scsi_status; 594 } 595 if (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) 596 tdata->target_phases |= NO_DISCONNECT; 597 598 tdata->initiator_tag = 599 ahd_htole16(ccb->csio.tag_id); 600 } 601#endif 602 hscb->task_management = 0; 603 if (ccb->ccb_h.flags & CAM_TAG_ACTION_VALID) 604 hscb->control |= ccb->csio.tag_action; 605 606 ahd_setup_data(ahd, sim, &ccb->csio, scb); 607 } 608 break; 609 } 610#ifdef AHD_TARGET_MODE 611 case XPT_NOTIFY_ACKNOWLEDGE: 612 case XPT_IMMEDIATE_NOTIFY: 613 { 614 struct ahd_tmode_tstate *tstate; 615 struct ahd_tmode_lstate *lstate; 616 cam_status status; 617 618 status = ahd_find_tmode_devs(ahd, sim, ccb, &tstate, 619 &lstate, TRUE); 620 621 if (status != CAM_REQ_CMP) { 622 ccb->ccb_h.status = status; 623 xpt_done(ccb); 624 break; 625 } 626 SLIST_INSERT_HEAD(&lstate->immed_notifies, &ccb->ccb_h, 627 sim_links.sle); 628 ccb->ccb_h.status = CAM_REQ_INPROG; 629 ahd_send_lstate_events(ahd, lstate); 630 break; 631 } 632 case XPT_EN_LUN: /* Enable LUN as a target */ 633 ahd_handle_en_lun(ahd, sim, ccb); 634 xpt_done(ccb); 635 break; 636#endif 637 case XPT_ABORT: /* Abort the specified CCB */ 638 { 639 ahd_abort_ccb(ahd, sim, ccb); 640 break; 641 } 642 case XPT_SET_TRAN_SETTINGS: 643 { 644 ahd_set_tran_settings(ahd, SIM_SCSI_ID(ahd, sim), 645 SIM_CHANNEL(ahd, sim), &ccb->cts); 646 xpt_done(ccb); 647 break; 648 } 649 case XPT_GET_TRAN_SETTINGS: 650 /* Get default/user set transfer settings for the target */ 651 { 652 ahd_get_tran_settings(ahd, SIM_SCSI_ID(ahd, sim), 653 SIM_CHANNEL(ahd, sim), &ccb->cts); 654 xpt_done(ccb); 655 break; 656 } 657 case XPT_CALC_GEOMETRY: 658 { 659 aic_calc_geometry(&ccb->ccg, ahd->flags & AHD_EXTENDED_TRANS_A); 660 xpt_done(ccb); 661 break; 662 } 663 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 664 { 665 int found; 666 667 found = ahd_reset_channel(ahd, SIM_CHANNEL(ahd, sim), 668 /*initiate reset*/TRUE); 669 if (bootverbose) { 670 xpt_print_path(SIM_PATH(ahd, sim)); 671 printf("SCSI bus reset delivered. " 672 "%d SCBs aborted.\n", found); 673 } 674 ccb->ccb_h.status = CAM_REQ_CMP; 675 xpt_done(ccb); 676 break; 677 } 678 case XPT_TERM_IO: /* Terminate the I/O process */ 679 /* XXX Implement */ 680 ccb->ccb_h.status = CAM_REQ_INVALID; 681 xpt_done(ccb); 682 break; 683 case XPT_PATH_INQ: /* Path routing inquiry */ 684 { 685 struct ccb_pathinq *cpi = &ccb->cpi; 686 687 cpi->version_num = 1; /* XXX??? */ 688 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE; 689 if ((ahd->features & AHD_WIDE) != 0) 690 cpi->hba_inquiry |= PI_WIDE_16; 691 if ((ahd->features & AHD_TARGETMODE) != 0) { 692 cpi->target_sprt = PIT_PROCESSOR 693 | PIT_DISCONNECT 694 | PIT_TERM_IO; 695 } else { 696 cpi->target_sprt = 0; 697 } 698 cpi->hba_misc = 0; 699 cpi->hba_eng_cnt = 0; 700 cpi->max_target = (ahd->features & AHD_WIDE) ? 15 : 7; 701 cpi->max_lun = AHD_NUM_LUNS_NONPKT - 1; 702 cpi->initiator_id = ahd->our_id; 703 if ((ahd->flags & AHD_RESET_BUS_A) == 0) { 704 cpi->hba_misc |= PIM_NOBUSRESET; 705 } 706 cpi->bus_id = cam_sim_bus(sim); 707 cpi->base_transfer_speed = 3300; 708 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 709 strlcpy(cpi->hba_vid, "Adaptec", HBA_IDLEN); 710 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 711 cpi->unit_number = cam_sim_unit(sim); 712 cpi->protocol = PROTO_SCSI; 713 cpi->protocol_version = SCSI_REV_2; 714 cpi->transport = XPORT_SPI; 715 cpi->transport_version = 4; 716 cpi->xport_specific.spi.ppr_options = SID_SPI_CLOCK_DT_ST 717 | SID_SPI_IUS 718 | SID_SPI_QAS; 719 cpi->ccb_h.status = CAM_REQ_CMP; 720 xpt_done(ccb); 721 break; 722 } 723 default: 724 ccb->ccb_h.status = CAM_PROVIDE_FAIL; 725 xpt_done(ccb); 726 break; 727 } 728} 729 730static void 731ahd_set_tran_settings(struct ahd_softc *ahd, int our_id, char channel, 732 struct ccb_trans_settings *cts) 733{ 734 struct ahd_devinfo devinfo; 735 struct ccb_trans_settings_scsi *scsi; 736 struct ccb_trans_settings_spi *spi; 737 struct ahd_initiator_tinfo *tinfo; 738 struct ahd_tmode_tstate *tstate; 739 uint16_t *discenable; 740 uint16_t *tagenable; 741 u_int update_type; 742 743 scsi = &cts->proto_specific.scsi; 744 spi = &cts->xport_specific.spi; 745 ahd_compile_devinfo(&devinfo, SIM_SCSI_ID(ahd, sim), 746 cts->ccb_h.target_id, 747 cts->ccb_h.target_lun, 748 SIM_CHANNEL(ahd, sim), 749 ROLE_UNKNOWN); 750 tinfo = ahd_fetch_transinfo(ahd, devinfo.channel, 751 devinfo.our_scsiid, 752 devinfo.target, &tstate); 753 update_type = 0; 754 if (cts->type == CTS_TYPE_CURRENT_SETTINGS) { 755 update_type |= AHD_TRANS_GOAL; 756 discenable = &tstate->discenable; 757 tagenable = &tstate->tagenable; 758 tinfo->curr.protocol_version = cts->protocol_version; 759 tinfo->curr.transport_version = cts->transport_version; 760 tinfo->goal.protocol_version = cts->protocol_version; 761 tinfo->goal.transport_version = cts->transport_version; 762 } else if (cts->type == CTS_TYPE_USER_SETTINGS) { 763 update_type |= AHD_TRANS_USER; 764 discenable = &ahd->user_discenable; 765 tagenable = &ahd->user_tagenable; 766 tinfo->user.protocol_version = cts->protocol_version; 767 tinfo->user.transport_version = cts->transport_version; 768 } else { 769 cts->ccb_h.status = CAM_REQ_INVALID; 770 return; 771 } 772 773 if ((spi->valid & CTS_SPI_VALID_DISC) != 0) { 774 if ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0) 775 *discenable |= devinfo.target_mask; 776 else 777 *discenable &= ~devinfo.target_mask; 778 } 779 780 if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 781 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) 782 *tagenable |= devinfo.target_mask; 783 else 784 *tagenable &= ~devinfo.target_mask; 785 } 786 787 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) { 788 ahd_validate_width(ahd, /*tinfo limit*/NULL, 789 &spi->bus_width, ROLE_UNKNOWN); 790 ahd_set_width(ahd, &devinfo, spi->bus_width, 791 update_type, /*paused*/FALSE); 792 } 793 794 if ((spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0) { 795 if (update_type == AHD_TRANS_USER) 796 spi->ppr_options = tinfo->user.ppr_options; 797 else 798 spi->ppr_options = tinfo->goal.ppr_options; 799 } 800 801 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0) { 802 if (update_type == AHD_TRANS_USER) 803 spi->sync_offset = tinfo->user.offset; 804 else 805 spi->sync_offset = tinfo->goal.offset; 806 } 807 808 if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) { 809 if (update_type == AHD_TRANS_USER) 810 spi->sync_period = tinfo->user.period; 811 else 812 spi->sync_period = tinfo->goal.period; 813 } 814 815 if (((spi->valid & CTS_SPI_VALID_SYNC_RATE) != 0) 816 || ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) != 0)) { 817 u_int maxsync; 818 819 maxsync = AHD_SYNCRATE_MAX; 820 821 if (spi->bus_width != MSG_EXT_WDTR_BUS_16_BIT) 822 spi->ppr_options &= ~MSG_EXT_PPR_DT_REQ; 823 824 if ((*discenable & devinfo.target_mask) == 0) 825 spi->ppr_options &= ~MSG_EXT_PPR_IU_REQ; 826 827 ahd_find_syncrate(ahd, &spi->sync_period, 828 &spi->ppr_options, maxsync); 829 ahd_validate_offset(ahd, /*tinfo limit*/NULL, 830 spi->sync_period, &spi->sync_offset, 831 spi->bus_width, ROLE_UNKNOWN); 832 833 /* We use a period of 0 to represent async */ 834 if (spi->sync_offset == 0) { 835 spi->sync_period = 0; 836 spi->ppr_options = 0; 837 } 838 839 ahd_set_syncrate(ahd, &devinfo, spi->sync_period, 840 spi->sync_offset, spi->ppr_options, 841 update_type, /*paused*/FALSE); 842 } 843 cts->ccb_h.status = CAM_REQ_CMP; 844} 845 846static void 847ahd_get_tran_settings(struct ahd_softc *ahd, int our_id, char channel, 848 struct ccb_trans_settings *cts) 849{ 850 struct ahd_devinfo devinfo; 851 struct ccb_trans_settings_scsi *scsi; 852 struct ccb_trans_settings_spi *spi; 853 struct ahd_initiator_tinfo *targ_info; 854 struct ahd_tmode_tstate *tstate; 855 struct ahd_transinfo *tinfo; 856 857 scsi = &cts->proto_specific.scsi; 858 spi = &cts->xport_specific.spi; 859 ahd_compile_devinfo(&devinfo, our_id, 860 cts->ccb_h.target_id, 861 cts->ccb_h.target_lun, 862 channel, ROLE_UNKNOWN); 863 targ_info = ahd_fetch_transinfo(ahd, devinfo.channel, 864 devinfo.our_scsiid, 865 devinfo.target, &tstate); 866 867 if (cts->type == CTS_TYPE_CURRENT_SETTINGS) 868 tinfo = &targ_info->curr; 869 else 870 tinfo = &targ_info->user; 871 872 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 873 spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB; 874 if (cts->type == CTS_TYPE_USER_SETTINGS) { 875 if ((ahd->user_discenable & devinfo.target_mask) != 0) 876 spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 877 878 if ((ahd->user_tagenable & devinfo.target_mask) != 0) 879 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 880 } else { 881 if ((tstate->discenable & devinfo.target_mask) != 0) 882 spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 883 884 if ((tstate->tagenable & devinfo.target_mask) != 0) 885 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 886 } 887 cts->protocol_version = tinfo->protocol_version; 888 cts->transport_version = tinfo->transport_version; 889 890 spi->sync_period = tinfo->period; 891 spi->sync_offset = tinfo->offset; 892 spi->bus_width = tinfo->width; 893 spi->ppr_options = tinfo->ppr_options; 894 895 cts->protocol = PROTO_SCSI; 896 cts->transport = XPORT_SPI; 897 spi->valid = CTS_SPI_VALID_SYNC_RATE 898 | CTS_SPI_VALID_SYNC_OFFSET 899 | CTS_SPI_VALID_BUS_WIDTH 900 | CTS_SPI_VALID_PPR_OPTIONS; 901 902 if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) { 903 scsi->valid = CTS_SCSI_VALID_TQ; 904 spi->valid |= CTS_SPI_VALID_DISC; 905 } else { 906 scsi->valid = 0; 907 } 908 909 cts->ccb_h.status = CAM_REQ_CMP; 910} 911 912static void 913ahd_async(void *callback_arg, uint32_t code, struct cam_path *path, void *arg) 914{ 915 struct ahd_softc *ahd; 916 struct cam_sim *sim; 917 918 sim = (struct cam_sim *)callback_arg; 919 ahd = (struct ahd_softc *)cam_sim_softc(sim); 920 switch (code) { 921 case AC_LOST_DEVICE: 922 { 923 struct ahd_devinfo devinfo; 924 925 ahd_compile_devinfo(&devinfo, SIM_SCSI_ID(ahd, sim), 926 xpt_path_target_id(path), 927 xpt_path_lun_id(path), 928 SIM_CHANNEL(ahd, sim), 929 ROLE_UNKNOWN); 930 931 /* 932 * Revert to async/narrow transfers 933 * for the next device. 934 */ 935 ahd_set_width(ahd, &devinfo, MSG_EXT_WDTR_BUS_8_BIT, 936 AHD_TRANS_GOAL|AHD_TRANS_CUR, /*paused*/FALSE); 937 ahd_set_syncrate(ahd, &devinfo, /*period*/0, /*offset*/0, 938 /*ppr_options*/0, AHD_TRANS_GOAL|AHD_TRANS_CUR, 939 /*paused*/FALSE); 940 break; 941 } 942 default: 943 break; 944 } 945} 946 947static void 948ahd_execute_scb(void *arg, bus_dma_segment_t *dm_segs, int nsegments, 949 int error) 950{ 951 struct scb *scb; 952 union ccb *ccb; 953 struct ahd_softc *ahd; 954 struct ahd_initiator_tinfo *tinfo; 955 struct ahd_tmode_tstate *tstate; 956 u_int mask; 957 958 scb = (struct scb *)arg; 959 ccb = scb->io_ctx; 960 ahd = scb->ahd_softc; 961 962 if (error != 0) { 963 if (error == EFBIG) 964 aic_set_transaction_status(scb, CAM_REQ_TOO_BIG); 965 else 966 aic_set_transaction_status(scb, CAM_REQ_CMP_ERR); 967 if (nsegments != 0) 968 bus_dmamap_unload(ahd->buffer_dmat, scb->dmamap); 969 ahd_free_scb(ahd, scb); 970 xpt_done(ccb); 971 return; 972 } 973 scb->sg_count = 0; 974 if (nsegments != 0) { 975 void *sg; 976 u_int i; 977 978 /* Copy the segments into our SG list */ 979 for (i = nsegments, sg = scb->sg_list; i > 0; i--) { 980 sg = ahd_sg_setup(ahd, scb, sg, dm_segs->ds_addr, 981 dm_segs->ds_len, 982 /*last*/i == 1); 983 dm_segs++; 984 } 985 986 ahd_sync_ccb(ahd, scb, ccb, false); 987 988 if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) { 989 struct target_data *tdata; 990 991 tdata = &scb->hscb->shared_data.tdata; 992 tdata->target_phases |= DPHASE_PENDING; 993 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) 994 tdata->data_phase = P_DATAOUT; 995 else 996 tdata->data_phase = P_DATAIN; 997 } 998 } 999 1000 /* 1001 * Last time we need to check if this SCB needs to 1002 * be aborted. 1003 */ 1004 if (aic_get_transaction_status(scb) != CAM_REQ_INPROG) { 1005 if (nsegments != 0) 1006 bus_dmamap_unload(ahd->buffer_dmat, 1007 scb->dmamap); 1008 ahd_free_scb(ahd, scb); 1009 xpt_done(ccb); 1010 return; 1011 } 1012 1013 tinfo = ahd_fetch_transinfo(ahd, SCSIID_CHANNEL(ahd, scb->hscb->scsiid), 1014 SCSIID_OUR_ID(scb->hscb->scsiid), 1015 SCSIID_TARGET(ahd, scb->hscb->scsiid), 1016 &tstate); 1017 1018 mask = SCB_GET_TARGET_MASK(ahd, scb); 1019 1020 if ((tstate->discenable & mask) != 0 1021 && (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) == 0) 1022 scb->hscb->control |= DISCENB; 1023 1024 if ((tinfo->curr.ppr_options & MSG_EXT_PPR_IU_REQ) != 0) { 1025 scb->flags |= SCB_PACKETIZED; 1026 if (scb->hscb->task_management != 0) 1027 scb->hscb->control &= ~MK_MESSAGE; 1028 } 1029 1030 if ((ccb->ccb_h.flags & CAM_NEGOTIATE) != 0 1031 && (tinfo->goal.width != 0 1032 || tinfo->goal.period != 0 1033 || tinfo->goal.ppr_options != 0)) { 1034 scb->flags |= SCB_NEGOTIATE; 1035 scb->hscb->control |= MK_MESSAGE; 1036 } else if ((tstate->auto_negotiate & mask) != 0) { 1037 scb->flags |= SCB_AUTO_NEGOTIATE; 1038 scb->hscb->control |= MK_MESSAGE; 1039 } 1040 1041 LIST_INSERT_HEAD(&ahd->pending_scbs, scb, pending_links); 1042 1043 ccb->ccb_h.status |= CAM_SIM_QUEUED; 1044 1045 aic_scb_timer_start(scb); 1046 1047 if ((scb->flags & SCB_TARGET_IMMEDIATE) != 0) { 1048 /* Define a mapping from our tag to the SCB. */ 1049 ahd->scb_data.scbindex[SCB_GET_TAG(scb)] = scb; 1050 ahd_pause(ahd); 1051 ahd_set_scbptr(ahd, SCB_GET_TAG(scb)); 1052 ahd_outb(ahd, RETURN_1, CONT_MSG_LOOP_TARG); 1053 ahd_unpause(ahd); 1054 } else { 1055 ahd_queue_scb(ahd, scb); 1056 } 1057 1058} 1059 1060static void 1061ahd_poll(struct cam_sim *sim) 1062{ 1063 ahd_intr(cam_sim_softc(sim)); 1064} 1065 1066static void 1067ahd_setup_data(struct ahd_softc *ahd, struct cam_sim *sim, 1068 struct ccb_scsiio *csio, struct scb *scb) 1069{ 1070 struct hardware_scb *hscb; 1071 struct ccb_hdr *ccb_h; 1072 int error; 1073 1074 hscb = scb->hscb; 1075 ccb_h = &csio->ccb_h; 1076 1077 csio->resid = 0; 1078 csio->sense_resid = 0; 1079 if (ccb_h->func_code == XPT_SCSI_IO) { 1080 hscb->cdb_len = csio->cdb_len; 1081 if ((ccb_h->flags & CAM_CDB_POINTER) != 0) { 1082 if (hscb->cdb_len > MAX_CDB_LEN 1083 && (ccb_h->flags & CAM_CDB_PHYS) == 0) { 1084 /* 1085 * Should CAM start to support CDB sizes 1086 * greater than 16 bytes, we could use 1087 * the sense buffer to store the CDB. 1088 */ 1089 aic_set_transaction_status(scb, 1090 CAM_REQ_INVALID); 1091 ahd_free_scb(ahd, scb); 1092 xpt_done((union ccb *)csio); 1093 return; 1094 } 1095 if ((ccb_h->flags & CAM_CDB_PHYS) != 0) { 1096 hscb->shared_data.idata.cdb_from_host.cdbptr = 1097 aic_htole64((uintptr_t)csio->cdb_io.cdb_ptr); 1098 hscb->shared_data.idata.cdb_from_host.cdblen = 1099 csio->cdb_len; 1100 hscb->cdb_len |= SCB_CDB_LEN_PTR; 1101 } else { 1102 memcpy(hscb->shared_data.idata.cdb, 1103 csio->cdb_io.cdb_ptr, 1104 hscb->cdb_len); 1105 } 1106 } else { 1107 if (hscb->cdb_len > MAX_CDB_LEN) { 1108 aic_set_transaction_status(scb, 1109 CAM_REQ_INVALID); 1110 ahd_free_scb(ahd, scb); 1111 xpt_done((union ccb *)csio); 1112 return; 1113 } 1114 memcpy(hscb->shared_data.idata.cdb, 1115 csio->cdb_io.cdb_bytes, hscb->cdb_len); 1116 } 1117 } 1118 1119 error = bus_dmamap_load_ccb(ahd->buffer_dmat, 1120 scb->dmamap, 1121 (union ccb *)csio, 1122 ahd_execute_scb, 1123 scb, /*flags*/0); 1124 if (error == EINPROGRESS) { 1125 /* 1126 * So as to maintain ordering, freeze the controller queue 1127 * until our mapping is returned. 1128 */ 1129 xpt_freeze_simq(sim, /*count*/1); 1130 scb->io_ctx->ccb_h.status |= CAM_RELEASE_SIMQ; 1131 } 1132} 1133 1134static void 1135ahd_abort_ccb(struct ahd_softc *ahd, struct cam_sim *sim, union ccb *ccb) 1136{ 1137 union ccb *abort_ccb; 1138 1139 abort_ccb = ccb->cab.abort_ccb; 1140 switch (abort_ccb->ccb_h.func_code) { 1141#ifdef AHD_TARGET_MODE 1142 case XPT_ACCEPT_TARGET_IO: 1143 case XPT_IMMEDIATE_NOTIFY: 1144 case XPT_CONT_TARGET_IO: 1145 { 1146 struct ahd_tmode_tstate *tstate; 1147 struct ahd_tmode_lstate *lstate; 1148 struct ccb_hdr_slist *list; 1149 cam_status status; 1150 1151 status = ahd_find_tmode_devs(ahd, sim, abort_ccb, &tstate, 1152 &lstate, TRUE); 1153 1154 if (status != CAM_REQ_CMP) { 1155 ccb->ccb_h.status = status; 1156 break; 1157 } 1158 1159 if (abort_ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) 1160 list = &lstate->accept_tios; 1161 else if (abort_ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) 1162 list = &lstate->immed_notifies; 1163 else 1164 list = NULL; 1165 1166 if (list != NULL) { 1167 struct ccb_hdr *curelm; 1168 int found; 1169 1170 curelm = SLIST_FIRST(list); 1171 found = 0; 1172 if (curelm == &abort_ccb->ccb_h) { 1173 found = 1; 1174 SLIST_REMOVE_HEAD(list, sim_links.sle); 1175 } else { 1176 while(curelm != NULL) { 1177 struct ccb_hdr *nextelm; 1178 1179 nextelm = 1180 SLIST_NEXT(curelm, sim_links.sle); 1181 1182 if (nextelm == &abort_ccb->ccb_h) { 1183 found = 1; 1184 SLIST_NEXT(curelm, 1185 sim_links.sle) = 1186 SLIST_NEXT(nextelm, 1187 sim_links.sle); 1188 break; 1189 } 1190 curelm = nextelm; 1191 } 1192 } 1193 1194 if (found) { 1195 abort_ccb->ccb_h.status = CAM_REQ_ABORTED; 1196 xpt_done(abort_ccb); 1197 ccb->ccb_h.status = CAM_REQ_CMP; 1198 } else { 1199 xpt_print_path(abort_ccb->ccb_h.path); 1200 printf("Not found\n"); 1201 ccb->ccb_h.status = CAM_PATH_INVALID; 1202 } 1203 break; 1204 } 1205 /* FALLTHROUGH */ 1206 } 1207#endif 1208 case XPT_SCSI_IO: 1209 /* XXX Fully implement the hard ones */ 1210 ccb->ccb_h.status = CAM_UA_ABORT; 1211 break; 1212 default: 1213 ccb->ccb_h.status = CAM_REQ_INVALID; 1214 break; 1215 } 1216 xpt_done(ccb); 1217} 1218 1219void 1220ahd_send_async(struct ahd_softc *ahd, char channel, u_int target, 1221 u_int lun, ac_code code, void *opt_arg) 1222{ 1223 struct ccb_trans_settings cts; 1224 struct cam_path *path; 1225 void *arg; 1226 int error; 1227 1228 arg = NULL; 1229 error = ahd_create_path(ahd, channel, target, lun, &path); 1230 1231 if (error != CAM_REQ_CMP) 1232 return; 1233 1234 switch (code) { 1235 case AC_TRANSFER_NEG: 1236 { 1237 struct ccb_trans_settings_scsi *scsi; 1238 1239 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1240 scsi = &cts.proto_specific.scsi; 1241 cts.ccb_h.path = path; 1242 cts.ccb_h.target_id = target; 1243 cts.ccb_h.target_lun = lun; 1244 ahd_get_tran_settings(ahd, ahd->our_id, channel, &cts); 1245 arg = &cts; 1246 scsi->valid &= ~CTS_SCSI_VALID_TQ; 1247 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 1248 if (opt_arg == NULL) 1249 break; 1250 if (*((ahd_queue_alg *)opt_arg) == AHD_QUEUE_TAGGED) 1251 scsi->flags |= ~CTS_SCSI_FLAGS_TAG_ENB; 1252 scsi->valid |= CTS_SCSI_VALID_TQ; 1253 break; 1254 } 1255 case AC_SENT_BDR: 1256 case AC_BUS_RESET: 1257 break; 1258 default: 1259 panic("ahd_send_async: Unexpected async event"); 1260 } 1261 xpt_async(code, path, arg); 1262 xpt_free_path(path); 1263} 1264 1265void 1266ahd_platform_set_tags(struct ahd_softc *ahd, 1267 struct ahd_devinfo *devinfo, int enable) 1268{ 1269} 1270 1271int 1272ahd_platform_alloc(struct ahd_softc *ahd, void *platform_arg) 1273{ 1274 ahd->platform_data = malloc(sizeof(struct ahd_platform_data), M_DEVBUF, 1275 M_NOWAIT | M_ZERO); 1276 if (ahd->platform_data == NULL) 1277 return (ENOMEM); 1278 return (0); 1279} 1280 1281void 1282ahd_platform_free(struct ahd_softc *ahd) 1283{ 1284 struct ahd_platform_data *pdata; 1285 1286 pdata = ahd->platform_data; 1287 if (pdata != NULL) { 1288 if (pdata->regs[0] != NULL) 1289 bus_release_resource(ahd->dev_softc, 1290 pdata->regs_res_type[0], 1291 pdata->regs_res_id[0], 1292 pdata->regs[0]); 1293 1294 if (pdata->regs[1] != NULL) 1295 bus_release_resource(ahd->dev_softc, 1296 pdata->regs_res_type[1], 1297 pdata->regs_res_id[1], 1298 pdata->regs[1]); 1299 1300 if (pdata->irq != NULL) 1301 bus_release_resource(ahd->dev_softc, 1302 pdata->irq_res_type, 1303 0, pdata->irq); 1304 1305 if (pdata->sim != NULL) { 1306 xpt_async(AC_LOST_DEVICE, pdata->path, NULL); 1307 xpt_free_path(pdata->path); 1308 xpt_bus_deregister(cam_sim_path(pdata->sim)); 1309 cam_sim_free(pdata->sim, /*free_devq*/TRUE); 1310 } 1311 if (pdata->eh != NULL) 1312 EVENTHANDLER_DEREGISTER(shutdown_final, pdata->eh); 1313 free(ahd->platform_data, M_DEVBUF); 1314 } 1315} 1316 1317int 1318ahd_softc_comp(struct ahd_softc *lahd, struct ahd_softc *rahd) 1319{ 1320 /* We don't sort softcs under FreeBSD so report equal always */ 1321 return (0); 1322} 1323 1324int 1325ahd_detach(device_t dev) 1326{ 1327 struct ahd_softc *ahd; 1328 1329 device_printf(dev, "detaching device\n"); 1330 ahd = device_get_softc(dev); 1331 ahd_lock(ahd); 1332 TAILQ_REMOVE(&ahd_tailq, ahd, links); 1333 ahd_intr_enable(ahd, FALSE); 1334 bus_teardown_intr(dev, ahd->platform_data->irq, ahd->platform_data->ih); 1335 ahd_unlock(ahd); 1336 ahd_free(ahd); 1337 return (0); 1338} 1339 1340#if 0 1341static void 1342ahd_dump_targcmd(struct target_cmd *cmd) 1343{ 1344 uint8_t *byte; 1345 uint8_t *last_byte; 1346 int i; 1347 1348 byte = &cmd->initiator_channel; 1349 /* Debugging info for received commands */ 1350 last_byte = &cmd[1].initiator_channel; 1351 1352 i = 0; 1353 while (byte < last_byte) { 1354 if (i == 0) 1355 printf("\t"); 1356 printf("%#x", *byte++); 1357 i++; 1358 if (i == 8) { 1359 printf("\n"); 1360 i = 0; 1361 } else { 1362 printf(", "); 1363 } 1364 } 1365} 1366#endif 1367 1368static int 1369ahd_modevent(module_t mod, int type, void *data) 1370{ 1371 /* XXX Deal with busy status on unload. */ 1372 /* XXX Deal with unknown events */ 1373 return 0; 1374} 1375 1376static moduledata_t ahd_mod = { 1377 "ahd", 1378 ahd_modevent, 1379 NULL 1380}; 1381 1382/********************************** DDB Hooks *********************************/ 1383#ifdef DDB 1384static struct ahd_softc *ahd_ddb_softc; 1385static int ahd_ddb_paused; 1386static int ahd_ddb_paused_on_entry; 1387DB_COMMAND(ahd_sunit, ahd_ddb_sunit) 1388{ 1389 struct ahd_softc *list_ahd; 1390 1391 ahd_ddb_softc = NULL; 1392 TAILQ_FOREACH(list_ahd, &ahd_tailq, links) { 1393 if (list_ahd->unit == addr) 1394 ahd_ddb_softc = list_ahd; 1395 } 1396 if (ahd_ddb_softc == NULL) 1397 db_error("No matching softc found!\n"); 1398} 1399 1400DB_COMMAND(ahd_pause, ahd_ddb_pause) 1401{ 1402 if (ahd_ddb_softc == NULL) { 1403 db_error("Must set unit with ahd_sunit first!\n"); 1404 return; 1405 } 1406 if (ahd_ddb_paused == 0) { 1407 ahd_ddb_paused++; 1408 if (ahd_is_paused(ahd_ddb_softc)) { 1409 ahd_ddb_paused_on_entry++; 1410 return; 1411 } 1412 ahd_pause(ahd_ddb_softc); 1413 } 1414} 1415 1416DB_COMMAND(ahd_unpause, ahd_ddb_unpause) 1417{ 1418 if (ahd_ddb_softc == NULL) { 1419 db_error("Must set unit with ahd_sunit first!\n"); 1420 return; 1421 } 1422 if (ahd_ddb_paused != 0) { 1423 ahd_ddb_paused = 0; 1424 if (ahd_ddb_paused_on_entry) 1425 return; 1426 ahd_unpause(ahd_ddb_softc); 1427 } else if (ahd_ddb_paused_on_entry != 0) { 1428 /* Two unpauses to clear a paused on entry. */ 1429 ahd_ddb_paused_on_entry = 0; 1430 ahd_unpause(ahd_ddb_softc); 1431 } 1432} 1433 1434DB_COMMAND(ahd_in, ahd_ddb_in) 1435{ 1436 int c; 1437 int size; 1438 1439 if (ahd_ddb_softc == NULL) { 1440 db_error("Must set unit with ahd_sunit first!\n"); 1441 return; 1442 } 1443 if (have_addr == 0) 1444 return; 1445 1446 size = 1; 1447 while ((c = *modif++) != '\0') { 1448 switch (c) { 1449 case 'b': 1450 size = 1; 1451 break; 1452 case 'w': 1453 size = 2; 1454 break; 1455 case 'l': 1456 size = 4; 1457 break; 1458 } 1459 } 1460 1461 if (count <= 0) 1462 count = 1; 1463 while (--count >= 0) { 1464 db_printf("%04lx (M)%x: \t", (u_long)addr, 1465 ahd_inb(ahd_ddb_softc, MODE_PTR)); 1466 switch (size) { 1467 case 1: 1468 db_printf("%02x\n", ahd_inb(ahd_ddb_softc, addr)); 1469 break; 1470 case 2: 1471 db_printf("%04x\n", ahd_inw(ahd_ddb_softc, addr)); 1472 break; 1473 case 4: 1474 db_printf("%08x\n", ahd_inl(ahd_ddb_softc, addr)); 1475 break; 1476 } 1477 } 1478} 1479 1480DB_COMMAND_FLAGS(ahd_out, ahd_ddb_out, CS_MORE) 1481{ 1482 db_expr_t old_value; 1483 db_expr_t new_value; 1484 int size; 1485 1486 if (ahd_ddb_softc == NULL) { 1487 db_error("Must set unit with ahd_sunit first!\n"); 1488 return; 1489 } 1490 1491 switch (modif[0]) { 1492 case '\0': 1493 case 'b': 1494 size = 1; 1495 break; 1496 case 'h': 1497 size = 2; 1498 break; 1499 case 'l': 1500 size = 4; 1501 break; 1502 default: 1503 db_error("Unknown size\n"); 1504 return; 1505 } 1506 1507 while (db_expression(&new_value)) { 1508 switch (size) { 1509 default: 1510 case 1: 1511 old_value = ahd_inb(ahd_ddb_softc, addr); 1512 ahd_outb(ahd_ddb_softc, addr, new_value); 1513 break; 1514 case 2: 1515 old_value = ahd_inw(ahd_ddb_softc, addr); 1516 ahd_outw(ahd_ddb_softc, addr, new_value); 1517 break; 1518 case 4: 1519 old_value = ahd_inl(ahd_ddb_softc, addr); 1520 ahd_outl(ahd_ddb_softc, addr, new_value); 1521 break; 1522 } 1523 db_printf("%04lx (M)%x: \t0x%lx\t=\t0x%lx", 1524 (u_long)addr, ahd_inb(ahd_ddb_softc, MODE_PTR), 1525 (u_long)old_value, (u_long)new_value); 1526 addr += size; 1527 } 1528 db_skip_to_eol(); 1529} 1530 1531DB_COMMAND(ahd_dump, ahd_ddb_dump) 1532{ 1533 if (ahd_ddb_softc == NULL) { 1534 db_error("Must set unit with ahd_sunit first!\n"); 1535 return; 1536 } 1537 ahd_dump_card_state(ahd_ddb_softc); 1538} 1539 1540#endif 1541 1542DECLARE_MODULE(ahd, ahd_mod, SI_SUB_DRIVERS, SI_ORDER_MIDDLE); 1543MODULE_DEPEND(ahd, cam, 1, 1, 1); 1544MODULE_VERSION(ahd, 1); 1545