1 /*- 2 * Bus independent FreeBSD shim for the aic79xx based Adaptec SCSI controllers 3 * 4 * Copyright (c) 1994-2002, 2004 Justin T. Gibbs. 5 * Copyright (c) 2001-2002 Adaptec Inc. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions, and the following disclaimer, 13 * without modification. 14 * 2. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * Alternatively, this software may be distributed under the terms of the 18 * GNU Public License ("GPL"). 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 24 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * $Id: //depot/aic7xxx/freebsd/dev/aic7xxx/aic79xx_osm.c#35 $ 33 */ 34 35 #include <sys/cdefs.h> 36 #include <dev/aic7xxx/aic79xx_osm.h> 37 #include <dev/aic7xxx/aic79xx_inline.h> 38 39 #include <sys/kthread.h> 40 41 #include "opt_ddb.h" 42 #ifdef DDB 43 #include <ddb/ddb.h> 44 #endif 45 46 #ifndef AHD_TMODE_ENABLE 47 #define AHD_TMODE_ENABLE 0 48 #endif 49 50 #include <dev/aic7xxx/aic_osm_lib.c> 51 52 #define ccb_scb_ptr spriv_ptr0 53 54 #if 0 55 static void ahd_dump_targcmd(struct target_cmd *cmd); 56 #endif 57 static int ahd_modevent(module_t mod, int type, void *data); 58 static void ahd_action(struct cam_sim *sim, union ccb *ccb); 59 static void ahd_set_tran_settings(struct ahd_softc *ahd, 60 int our_id, char channel, 61 struct ccb_trans_settings *cts); 62 static void ahd_get_tran_settings(struct ahd_softc *ahd, 63 int our_id, char channel, 64 struct ccb_trans_settings *cts); 65 static void ahd_async(void *callback_arg, uint32_t code, 66 struct cam_path *path, void *arg); 67 static void ahd_execute_scb(void *arg, bus_dma_segment_t *dm_segs, 68 int nsegments, int error); 69 static void ahd_poll(struct cam_sim *sim); 70 static void ahd_setup_data(struct ahd_softc *ahd, struct cam_sim *sim, 71 struct ccb_scsiio *csio, struct scb *scb); 72 static void ahd_abort_ccb(struct ahd_softc *ahd, struct cam_sim *sim, 73 union ccb *ccb); 74 static int ahd_create_path(struct ahd_softc *ahd, 75 char channel, u_int target, u_int lun, 76 struct cam_path **path); 77 78 static const char *ahd_sysctl_node_elements[] = { 79 "root", 80 "summary", 81 "debug" 82 }; 83 84 #ifndef NO_SYSCTL_DESCR 85 static const char *ahd_sysctl_node_descriptions[] = { 86 "root error collection for aic79xx controllers", 87 "summary collection for aic79xx controllers", 88 "debug collection for aic79xx controllers" 89 }; 90 #endif 91 92 static const char *ahd_sysctl_errors_elements[] = { 93 "Cerrors", 94 "Uerrors", 95 "Ferrors" 96 }; 97 98 #ifndef NO_SYSCTL_DESCR 99 static const char *ahd_sysctl_errors_descriptions[] = { 100 "Correctable errors", 101 "Uncorrectable errors", 102 "Fatal errors" 103 }; 104 #endif 105 106 static int 107 ahd_set_debugcounters(SYSCTL_HANDLER_ARGS) 108 { 109 struct ahd_softc *sc; 110 int error, tmpv; 111 112 tmpv = 0; 113 sc = arg1; 114 error = sysctl_handle_int(oidp, &tmpv, 0, req); 115 if (error != 0 || req->newptr == NULL) 116 return (error); 117 if (tmpv < 0 || tmpv >= AHD_ERRORS_NUMBER) 118 return (EINVAL); 119 sc->summerr[arg2] = tmpv; 120 return (0); 121 } 122 123 static int 124 ahd_clear_allcounters(SYSCTL_HANDLER_ARGS) 125 { 126 struct ahd_softc *sc; 127 int error, tmpv; 128 129 tmpv = 0; 130 sc = arg1; 131 error = sysctl_handle_int(oidp, &tmpv, 0, req); 132 if (error != 0 || req->newptr == NULL) 133 return (error); 134 if (tmpv != 0) 135 bzero(sc->summerr, sizeof(sc->summerr)); 136 return (0); 137 } 138 139 static int 140 ahd_create_path(struct ahd_softc *ahd, char channel, u_int target, 141 u_int lun, struct cam_path **path) 142 { 143 path_id_t path_id; 144 145 path_id = cam_sim_path(ahd->platform_data->sim); 146 return (xpt_create_path(path, /*periph*/NULL, 147 path_id, target, lun)); 148 } 149 150 void 151 ahd_sysctl(struct ahd_softc *ahd) 152 { 153 u_int i; 154 155 for (i = 0; i < AHD_SYSCTL_NUMBER; i++) 156 sysctl_ctx_init(&ahd->sysctl_ctx[i]); 157 158 ahd->sysctl_tree[AHD_SYSCTL_ROOT] = 159 SYSCTL_ADD_NODE(&ahd->sysctl_ctx[AHD_SYSCTL_ROOT], 160 SYSCTL_STATIC_CHILDREN(_hw), OID_AUTO, 161 device_get_nameunit(ahd->dev_softc), 162 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, 163 ahd_sysctl_node_descriptions[AHD_SYSCTL_ROOT]); 164 SYSCTL_ADD_PROC(&ahd->sysctl_ctx[AHD_SYSCTL_ROOT], 165 SYSCTL_CHILDREN(ahd->sysctl_tree[AHD_SYSCTL_ROOT]), OID_AUTO, 166 "clear", CTLTYPE_UINT | CTLFLAG_RW | CTLFLAG_MPSAFE, ahd, 167 0, ahd_clear_allcounters, "IU", "Clear all counters"); 168 169 for (i = AHD_SYSCTL_SUMMARY; i < AHD_SYSCTL_NUMBER; i++) 170 ahd->sysctl_tree[i] = 171 SYSCTL_ADD_NODE(&ahd->sysctl_ctx[i], 172 SYSCTL_CHILDREN(ahd->sysctl_tree[AHD_SYSCTL_ROOT]), 173 OID_AUTO, ahd_sysctl_node_elements[i], 174 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, 175 ahd_sysctl_node_descriptions[i]); 176 177 for (i = AHD_ERRORS_CORRECTABLE; i < AHD_ERRORS_NUMBER; i++) { 178 SYSCTL_ADD_UINT(&ahd->sysctl_ctx[AHD_SYSCTL_SUMMARY], 179 SYSCTL_CHILDREN(ahd->sysctl_tree[AHD_SYSCTL_SUMMARY]), 180 OID_AUTO, ahd_sysctl_errors_elements[i], 181 CTLFLAG_RD, &ahd->summerr[i], i, 182 ahd_sysctl_errors_descriptions[i]); 183 SYSCTL_ADD_PROC(&ahd->sysctl_ctx[AHD_SYSCTL_DEBUG], 184 SYSCTL_CHILDREN(ahd->sysctl_tree[AHD_SYSCTL_DEBUG]), 185 OID_AUTO, ahd_sysctl_errors_elements[i], 186 CTLFLAG_RW | CTLTYPE_UINT | CTLFLAG_MPSAFE, ahd, i, 187 ahd_set_debugcounters, "IU", 188 ahd_sysctl_errors_descriptions[i]); 189 } 190 } 191 192 int 193 ahd_map_int(struct ahd_softc *ahd) 194 { 195 int error; 196 197 /* Hook up our interrupt handler */ 198 error = bus_setup_intr(ahd->dev_softc, ahd->platform_data->irq, 199 INTR_TYPE_CAM|INTR_MPSAFE, NULL, 200 ahd_platform_intr, ahd, &ahd->platform_data->ih); 201 if (error != 0) 202 device_printf(ahd->dev_softc, "bus_setup_intr() failed: %d\n", 203 error); 204 return (error); 205 } 206 207 /* 208 * Attach all the sub-devices we can find 209 */ 210 int 211 ahd_attach(struct ahd_softc *ahd) 212 { 213 char ahd_info[256]; 214 struct ccb_setasync csa; 215 struct cam_devq *devq; 216 struct cam_sim *sim; 217 struct cam_path *path; 218 int count; 219 220 count = 0; 221 devq = NULL; 222 sim = NULL; 223 path = NULL; 224 225 /* 226 * Create a thread to perform all recovery. 227 */ 228 if (ahd_spawn_recovery_thread(ahd) != 0) 229 goto fail; 230 231 ahd_controller_info(ahd, ahd_info); 232 printf("%s\n", ahd_info); 233 ahd_lock(ahd); 234 235 /* 236 * Create the device queue for our SIM(s). 237 */ 238 devq = cam_simq_alloc(AHD_MAX_QUEUE); 239 if (devq == NULL) 240 goto fail; 241 242 /* 243 * Construct our SIM entry 244 */ 245 sim = cam_sim_alloc(ahd_action, ahd_poll, "ahd", ahd, 246 device_get_unit(ahd->dev_softc), 247 &ahd->platform_data->mtx, 1, /*XXX*/256, devq); 248 if (sim == NULL) { 249 cam_simq_free(devq); 250 goto fail; 251 } 252 253 if (xpt_bus_register(sim, ahd->dev_softc, /*bus_id*/0) != CAM_SUCCESS) { 254 cam_sim_free(sim, /*free_devq*/TRUE); 255 sim = NULL; 256 goto fail; 257 } 258 259 if (xpt_create_path(&path, /*periph*/NULL, 260 cam_sim_path(sim), CAM_TARGET_WILDCARD, 261 CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 262 xpt_bus_deregister(cam_sim_path(sim)); 263 cam_sim_free(sim, /*free_devq*/TRUE); 264 sim = NULL; 265 goto fail; 266 } 267 268 memset(&csa, 0, sizeof(csa)); 269 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5); 270 csa.ccb_h.func_code = XPT_SASYNC_CB; 271 csa.event_enable = AC_LOST_DEVICE; 272 csa.callback = ahd_async; 273 csa.callback_arg = sim; 274 xpt_action((union ccb *)&csa); 275 count++; 276 277 fail: 278 ahd->platform_data->sim = sim; 279 ahd->platform_data->path = path; 280 ahd_unlock(ahd); 281 if (count != 0) { 282 /* We have to wait until after any system dumps... */ 283 ahd->platform_data->eh = 284 EVENTHANDLER_REGISTER(shutdown_final, ahd_shutdown, 285 ahd, SHUTDOWN_PRI_DEFAULT); 286 ahd_intr_enable(ahd, TRUE); 287 } 288 289 return (count); 290 } 291 292 /* 293 * Catch an interrupt from the adapter 294 */ 295 void 296 ahd_platform_intr(void *arg) 297 { 298 struct ahd_softc *ahd; 299 300 ahd = (struct ahd_softc *)arg; 301 ahd_lock(ahd); 302 ahd_intr(ahd); 303 ahd_unlock(ahd); 304 } 305 306 /* 307 * We have an scb which has been processed by the 308 * adaptor, now we look to see how the operation 309 * went. 310 */ 311 void 312 ahd_done(struct ahd_softc *ahd, struct scb *scb) 313 { 314 union ccb *ccb; 315 316 CAM_DEBUG(scb->io_ctx->ccb_h.path, CAM_DEBUG_TRACE, 317 ("ahd_done - scb %d\n", SCB_GET_TAG(scb))); 318 319 ccb = scb->io_ctx; 320 LIST_REMOVE(scb, pending_links); 321 if ((scb->flags & SCB_TIMEDOUT) != 0) 322 LIST_REMOVE(scb, timedout_links); 323 324 callout_stop(&scb->io_timer); 325 326 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 327 bus_dmasync_op_t op; 328 329 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) 330 op = BUS_DMASYNC_POSTREAD; 331 else 332 op = BUS_DMASYNC_POSTWRITE; 333 bus_dmamap_sync(ahd->buffer_dmat, scb->dmamap, op); 334 bus_dmamap_unload(ahd->buffer_dmat, scb->dmamap); 335 } 336 337 #ifdef AHD_TARGET_MODE 338 if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) { 339 struct cam_path *ccb_path; 340 341 /* 342 * If we have finally disconnected, clean up our 343 * pending device state. 344 * XXX - There may be error states that cause where 345 * we will remain connected. 346 */ 347 ccb_path = ccb->ccb_h.path; 348 if (ahd->pending_device != NULL 349 && xpt_path_comp(ahd->pending_device->path, ccb_path) == 0) { 350 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) != 0) { 351 ahd->pending_device = NULL; 352 } else { 353 xpt_print_path(ccb->ccb_h.path); 354 printf("Still disconnected\n"); 355 ahd_freeze_ccb(ccb); 356 } 357 } 358 359 if (aic_get_transaction_status(scb) == CAM_REQ_INPROG) 360 ccb->ccb_h.status |= CAM_REQ_CMP; 361 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 362 ahd_free_scb(ahd, scb); 363 xpt_done(ccb); 364 return; 365 } 366 #endif 367 368 if ((scb->flags & SCB_RECOVERY_SCB) != 0) { 369 struct scb *list_scb; 370 371 ahd->scb_data.recovery_scbs--; 372 373 if (aic_get_transaction_status(scb) == CAM_BDR_SENT 374 || aic_get_transaction_status(scb) == CAM_REQ_ABORTED) 375 aic_set_transaction_status(scb, CAM_CMD_TIMEOUT); 376 377 if (ahd->scb_data.recovery_scbs == 0) { 378 /* 379 * All recovery actions have completed successfully, 380 * so reinstate the timeouts for all other pending 381 * commands. 382 */ 383 LIST_FOREACH(list_scb, 384 &ahd->pending_scbs, pending_links) { 385 aic_scb_timer_reset(list_scb, 386 aic_get_timeout(scb)); 387 } 388 389 ahd_print_path(ahd, scb); 390 printf("no longer in timeout, status = %x\n", 391 ccb->ccb_h.status); 392 } 393 } 394 395 /* Don't clobber any existing error state */ 396 if (aic_get_transaction_status(scb) == CAM_REQ_INPROG) { 397 ccb->ccb_h.status |= CAM_REQ_CMP; 398 } else if ((scb->flags & SCB_SENSE) != 0) { 399 /* 400 * We performed autosense retrieval. 401 * 402 * Zero any sense not transferred by the 403 * device. The SCSI spec mandates that any 404 * untransfered data should be assumed to be 405 * zero. Complete the 'bounce' of sense information 406 * through buffers accessible via bus-space by 407 * copying it into the clients csio. 408 */ 409 memset(&ccb->csio.sense_data, 0, sizeof(ccb->csio.sense_data)); 410 memcpy(&ccb->csio.sense_data, 411 ahd_get_sense_buf(ahd, scb), 412 /* XXX What size do we want to use??? */ 413 sizeof(ccb->csio.sense_data) 414 - ccb->csio.sense_resid); 415 scb->io_ctx->ccb_h.status |= CAM_AUTOSNS_VALID; 416 } else if ((scb->flags & SCB_PKT_SENSE) != 0) { 417 struct scsi_status_iu_header *siu; 418 u_int sense_len; 419 420 /* 421 * Copy only the sense data into the provided buffer. 422 */ 423 siu = (struct scsi_status_iu_header *)scb->sense_data; 424 sense_len = MIN(scsi_4btoul(siu->sense_length), 425 sizeof(ccb->csio.sense_data)); 426 memset(&ccb->csio.sense_data, 0, sizeof(ccb->csio.sense_data)); 427 memcpy(&ccb->csio.sense_data, 428 ahd_get_sense_buf(ahd, scb) + SIU_SENSE_OFFSET(siu), 429 sense_len); 430 #ifdef AHD_DEBUG 431 if ((ahd_debug & AHD_SHOW_SENSE) != 0) { 432 uint8_t *sense_data = (uint8_t *)&ccb->csio.sense_data; 433 u_int i; 434 435 printf("Copied %d bytes of sense data offset %d:", 436 sense_len, SIU_SENSE_OFFSET(siu)); 437 for (i = 0; i < sense_len; i++) 438 printf(" 0x%x", *sense_data++); 439 printf("\n"); 440 } 441 #endif 442 scb->io_ctx->ccb_h.status |= CAM_AUTOSNS_VALID; 443 } 444 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 445 ahd_free_scb(ahd, scb); 446 xpt_done(ccb); 447 } 448 449 static void 450 ahd_action(struct cam_sim *sim, union ccb *ccb) 451 { 452 struct ahd_softc *ahd; 453 #ifdef AHD_TARGET_MODE 454 struct ahd_tmode_lstate *lstate; 455 #endif 456 u_int target_id; 457 u_int our_id; 458 459 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("ahd_action\n")); 460 461 ahd = (struct ahd_softc *)cam_sim_softc(sim); 462 463 target_id = ccb->ccb_h.target_id; 464 our_id = SIM_SCSI_ID(ahd, sim); 465 466 switch (ccb->ccb_h.func_code) { 467 /* Common cases first */ 468 #ifdef AHD_TARGET_MODE 469 case XPT_ACCEPT_TARGET_IO: /* Accept Host Target Mode CDB */ 470 case XPT_CONT_TARGET_IO:/* Continue Host Target I/O Connection*/ 471 { 472 struct ahd_tmode_tstate *tstate; 473 cam_status status; 474 475 status = ahd_find_tmode_devs(ahd, sim, ccb, &tstate, 476 &lstate, TRUE); 477 478 if (status != CAM_REQ_CMP) { 479 if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) { 480 /* Response from the black hole device */ 481 tstate = NULL; 482 lstate = ahd->black_hole; 483 } else { 484 ccb->ccb_h.status = status; 485 xpt_done(ccb); 486 break; 487 } 488 } 489 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { 490 SLIST_INSERT_HEAD(&lstate->accept_tios, &ccb->ccb_h, 491 sim_links.sle); 492 ccb->ccb_h.status = CAM_REQ_INPROG; 493 if ((ahd->flags & AHD_TQINFIFO_BLOCKED) != 0) 494 ahd_run_tqinfifo(ahd, /*paused*/FALSE); 495 break; 496 } 497 498 /* 499 * The target_id represents the target we attempt to 500 * select. In target mode, this is the initiator of 501 * the original command. 502 */ 503 our_id = target_id; 504 target_id = ccb->csio.init_id; 505 /* FALLTHROUGH */ 506 } 507 #endif 508 case XPT_SCSI_IO: /* Execute the requested I/O operation */ 509 case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */ 510 { 511 struct scb *scb; 512 struct hardware_scb *hscb; 513 struct ahd_initiator_tinfo *tinfo; 514 struct ahd_tmode_tstate *tstate; 515 u_int col_idx; 516 517 if ((ahd->flags & AHD_INITIATORROLE) == 0 518 && (ccb->ccb_h.func_code == XPT_SCSI_IO 519 || ccb->ccb_h.func_code == XPT_RESET_DEV)) { 520 ccb->ccb_h.status = CAM_PROVIDE_FAIL; 521 xpt_done(ccb); 522 return; 523 } 524 525 /* 526 * get an scb to use. 527 */ 528 tinfo = ahd_fetch_transinfo(ahd, 'A', our_id, 529 target_id, &tstate); 530 if ((ccb->ccb_h.flags & CAM_TAG_ACTION_VALID) == 0 531 || (tinfo->curr.ppr_options & MSG_EXT_PPR_IU_REQ) != 0 532 || ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) { 533 col_idx = AHD_NEVER_COL_IDX; 534 } else { 535 col_idx = AHD_BUILD_COL_IDX(target_id, 536 ccb->ccb_h.target_lun); 537 } 538 if ((scb = ahd_get_scb(ahd, col_idx)) == NULL) { 539 xpt_freeze_simq(sim, /*count*/1); 540 ahd->flags |= AHD_RESOURCE_SHORTAGE; 541 ccb->ccb_h.status = CAM_REQUEUE_REQ; 542 xpt_done(ccb); 543 return; 544 } 545 546 hscb = scb->hscb; 547 548 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_SUBTRACE, 549 ("start scb(%p)\n", scb)); 550 scb->io_ctx = ccb; 551 /* 552 * So we can find the SCB when an abort is requested 553 */ 554 ccb->ccb_h.ccb_scb_ptr = scb; 555 556 /* 557 * Put all the arguments for the xfer in the scb 558 */ 559 hscb->control = 0; 560 hscb->scsiid = BUILD_SCSIID(ahd, sim, target_id, our_id); 561 hscb->lun = ccb->ccb_h.target_lun; 562 if (ccb->ccb_h.func_code == XPT_RESET_DEV) { 563 hscb->cdb_len = 0; 564 scb->flags |= SCB_DEVICE_RESET; 565 hscb->control |= MK_MESSAGE; 566 hscb->task_management = SIU_TASKMGMT_LUN_RESET; 567 ahd_execute_scb(scb, NULL, 0, 0); 568 } else { 569 #ifdef AHD_TARGET_MODE 570 if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) { 571 struct target_data *tdata; 572 573 tdata = &hscb->shared_data.tdata; 574 if (ahd->pending_device == lstate) 575 scb->flags |= SCB_TARGET_IMMEDIATE; 576 hscb->control |= TARGET_SCB; 577 tdata->target_phases = 0; 578 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) != 0) { 579 tdata->target_phases |= SPHASE_PENDING; 580 tdata->scsi_status = 581 ccb->csio.scsi_status; 582 } 583 if (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) 584 tdata->target_phases |= NO_DISCONNECT; 585 586 tdata->initiator_tag = 587 ahd_htole16(ccb->csio.tag_id); 588 } 589 #endif 590 hscb->task_management = 0; 591 if (ccb->ccb_h.flags & CAM_TAG_ACTION_VALID) 592 hscb->control |= ccb->csio.tag_action; 593 594 ahd_setup_data(ahd, sim, &ccb->csio, scb); 595 } 596 break; 597 } 598 #ifdef AHD_TARGET_MODE 599 case XPT_NOTIFY_ACKNOWLEDGE: 600 case XPT_IMMEDIATE_NOTIFY: 601 { 602 struct ahd_tmode_tstate *tstate; 603 struct ahd_tmode_lstate *lstate; 604 cam_status status; 605 606 status = ahd_find_tmode_devs(ahd, sim, ccb, &tstate, 607 &lstate, TRUE); 608 609 if (status != CAM_REQ_CMP) { 610 ccb->ccb_h.status = status; 611 xpt_done(ccb); 612 break; 613 } 614 SLIST_INSERT_HEAD(&lstate->immed_notifies, &ccb->ccb_h, 615 sim_links.sle); 616 ccb->ccb_h.status = CAM_REQ_INPROG; 617 ahd_send_lstate_events(ahd, lstate); 618 break; 619 } 620 case XPT_EN_LUN: /* Enable LUN as a target */ 621 ahd_handle_en_lun(ahd, sim, ccb); 622 xpt_done(ccb); 623 break; 624 #endif 625 case XPT_ABORT: /* Abort the specified CCB */ 626 { 627 ahd_abort_ccb(ahd, sim, ccb); 628 break; 629 } 630 case XPT_SET_TRAN_SETTINGS: 631 { 632 ahd_set_tran_settings(ahd, SIM_SCSI_ID(ahd, sim), 633 SIM_CHANNEL(ahd, sim), &ccb->cts); 634 xpt_done(ccb); 635 break; 636 } 637 case XPT_GET_TRAN_SETTINGS: 638 /* Get default/user set transfer settings for the target */ 639 { 640 ahd_get_tran_settings(ahd, SIM_SCSI_ID(ahd, sim), 641 SIM_CHANNEL(ahd, sim), &ccb->cts); 642 xpt_done(ccb); 643 break; 644 } 645 case XPT_CALC_GEOMETRY: 646 { 647 aic_calc_geometry(&ccb->ccg, ahd->flags & AHD_EXTENDED_TRANS_A); 648 xpt_done(ccb); 649 break; 650 } 651 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 652 { 653 int found; 654 655 found = ahd_reset_channel(ahd, SIM_CHANNEL(ahd, sim), 656 /*initiate reset*/TRUE); 657 if (bootverbose) { 658 xpt_print_path(SIM_PATH(ahd, sim)); 659 printf("SCSI bus reset delivered. " 660 "%d SCBs aborted.\n", found); 661 } 662 ccb->ccb_h.status = CAM_REQ_CMP; 663 xpt_done(ccb); 664 break; 665 } 666 case XPT_TERM_IO: /* Terminate the I/O process */ 667 /* XXX Implement */ 668 ccb->ccb_h.status = CAM_REQ_INVALID; 669 xpt_done(ccb); 670 break; 671 case XPT_PATH_INQ: /* Path routing inquiry */ 672 { 673 struct ccb_pathinq *cpi = &ccb->cpi; 674 675 cpi->version_num = 1; /* XXX??? */ 676 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE; 677 if ((ahd->features & AHD_WIDE) != 0) 678 cpi->hba_inquiry |= PI_WIDE_16; 679 if ((ahd->features & AHD_TARGETMODE) != 0) { 680 cpi->target_sprt = PIT_PROCESSOR 681 | PIT_DISCONNECT 682 | PIT_TERM_IO; 683 } else { 684 cpi->target_sprt = 0; 685 } 686 cpi->hba_misc = 0; 687 cpi->hba_eng_cnt = 0; 688 cpi->max_target = (ahd->features & AHD_WIDE) ? 15 : 7; 689 cpi->max_lun = AHD_NUM_LUNS_NONPKT - 1; 690 cpi->initiator_id = ahd->our_id; 691 if ((ahd->flags & AHD_RESET_BUS_A) == 0) { 692 cpi->hba_misc |= PIM_NOBUSRESET; 693 } 694 cpi->bus_id = cam_sim_bus(sim); 695 cpi->base_transfer_speed = 3300; 696 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 697 strlcpy(cpi->hba_vid, "Adaptec", HBA_IDLEN); 698 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 699 cpi->unit_number = cam_sim_unit(sim); 700 cpi->protocol = PROTO_SCSI; 701 cpi->protocol_version = SCSI_REV_2; 702 cpi->transport = XPORT_SPI; 703 cpi->transport_version = 4; 704 cpi->xport_specific.spi.ppr_options = SID_SPI_CLOCK_DT_ST 705 | SID_SPI_IUS 706 | SID_SPI_QAS; 707 cpi->ccb_h.status = CAM_REQ_CMP; 708 xpt_done(ccb); 709 break; 710 } 711 default: 712 ccb->ccb_h.status = CAM_PROVIDE_FAIL; 713 xpt_done(ccb); 714 break; 715 } 716 } 717 718 static void 719 ahd_set_tran_settings(struct ahd_softc *ahd, int our_id, char channel, 720 struct ccb_trans_settings *cts) 721 { 722 struct ahd_devinfo devinfo; 723 struct ccb_trans_settings_scsi *scsi; 724 struct ccb_trans_settings_spi *spi; 725 struct ahd_initiator_tinfo *tinfo; 726 struct ahd_tmode_tstate *tstate; 727 uint16_t *discenable; 728 uint16_t *tagenable; 729 u_int update_type; 730 731 scsi = &cts->proto_specific.scsi; 732 spi = &cts->xport_specific.spi; 733 ahd_compile_devinfo(&devinfo, SIM_SCSI_ID(ahd, sim), 734 cts->ccb_h.target_id, 735 cts->ccb_h.target_lun, 736 SIM_CHANNEL(ahd, sim), 737 ROLE_UNKNOWN); 738 tinfo = ahd_fetch_transinfo(ahd, devinfo.channel, 739 devinfo.our_scsiid, 740 devinfo.target, &tstate); 741 update_type = 0; 742 if (cts->type == CTS_TYPE_CURRENT_SETTINGS) { 743 update_type |= AHD_TRANS_GOAL; 744 discenable = &tstate->discenable; 745 tagenable = &tstate->tagenable; 746 tinfo->curr.protocol_version = cts->protocol_version; 747 tinfo->curr.transport_version = cts->transport_version; 748 tinfo->goal.protocol_version = cts->protocol_version; 749 tinfo->goal.transport_version = cts->transport_version; 750 } else if (cts->type == CTS_TYPE_USER_SETTINGS) { 751 update_type |= AHD_TRANS_USER; 752 discenable = &ahd->user_discenable; 753 tagenable = &ahd->user_tagenable; 754 tinfo->user.protocol_version = cts->protocol_version; 755 tinfo->user.transport_version = cts->transport_version; 756 } else { 757 cts->ccb_h.status = CAM_REQ_INVALID; 758 return; 759 } 760 761 if ((spi->valid & CTS_SPI_VALID_DISC) != 0) { 762 if ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0) 763 *discenable |= devinfo.target_mask; 764 else 765 *discenable &= ~devinfo.target_mask; 766 } 767 768 if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 769 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) 770 *tagenable |= devinfo.target_mask; 771 else 772 *tagenable &= ~devinfo.target_mask; 773 } 774 775 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) { 776 ahd_validate_width(ahd, /*tinfo limit*/NULL, 777 &spi->bus_width, ROLE_UNKNOWN); 778 ahd_set_width(ahd, &devinfo, spi->bus_width, 779 update_type, /*paused*/FALSE); 780 } 781 782 if ((spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0) { 783 if (update_type == AHD_TRANS_USER) 784 spi->ppr_options = tinfo->user.ppr_options; 785 else 786 spi->ppr_options = tinfo->goal.ppr_options; 787 } 788 789 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0) { 790 if (update_type == AHD_TRANS_USER) 791 spi->sync_offset = tinfo->user.offset; 792 else 793 spi->sync_offset = tinfo->goal.offset; 794 } 795 796 if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) { 797 if (update_type == AHD_TRANS_USER) 798 spi->sync_period = tinfo->user.period; 799 else 800 spi->sync_period = tinfo->goal.period; 801 } 802 803 if (((spi->valid & CTS_SPI_VALID_SYNC_RATE) != 0) 804 || ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) != 0)) { 805 u_int maxsync; 806 807 maxsync = AHD_SYNCRATE_MAX; 808 809 if (spi->bus_width != MSG_EXT_WDTR_BUS_16_BIT) 810 spi->ppr_options &= ~MSG_EXT_PPR_DT_REQ; 811 812 if ((*discenable & devinfo.target_mask) == 0) 813 spi->ppr_options &= ~MSG_EXT_PPR_IU_REQ; 814 815 ahd_find_syncrate(ahd, &spi->sync_period, 816 &spi->ppr_options, maxsync); 817 ahd_validate_offset(ahd, /*tinfo limit*/NULL, 818 spi->sync_period, &spi->sync_offset, 819 spi->bus_width, ROLE_UNKNOWN); 820 821 /* We use a period of 0 to represent async */ 822 if (spi->sync_offset == 0) { 823 spi->sync_period = 0; 824 spi->ppr_options = 0; 825 } 826 827 ahd_set_syncrate(ahd, &devinfo, spi->sync_period, 828 spi->sync_offset, spi->ppr_options, 829 update_type, /*paused*/FALSE); 830 } 831 cts->ccb_h.status = CAM_REQ_CMP; 832 } 833 834 static void 835 ahd_get_tran_settings(struct ahd_softc *ahd, int our_id, char channel, 836 struct ccb_trans_settings *cts) 837 { 838 struct ahd_devinfo devinfo; 839 struct ccb_trans_settings_scsi *scsi; 840 struct ccb_trans_settings_spi *spi; 841 struct ahd_initiator_tinfo *targ_info; 842 struct ahd_tmode_tstate *tstate; 843 struct ahd_transinfo *tinfo; 844 845 scsi = &cts->proto_specific.scsi; 846 spi = &cts->xport_specific.spi; 847 ahd_compile_devinfo(&devinfo, our_id, 848 cts->ccb_h.target_id, 849 cts->ccb_h.target_lun, 850 channel, ROLE_UNKNOWN); 851 targ_info = ahd_fetch_transinfo(ahd, devinfo.channel, 852 devinfo.our_scsiid, 853 devinfo.target, &tstate); 854 855 if (cts->type == CTS_TYPE_CURRENT_SETTINGS) 856 tinfo = &targ_info->curr; 857 else 858 tinfo = &targ_info->user; 859 860 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 861 spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB; 862 if (cts->type == CTS_TYPE_USER_SETTINGS) { 863 if ((ahd->user_discenable & devinfo.target_mask) != 0) 864 spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 865 866 if ((ahd->user_tagenable & devinfo.target_mask) != 0) 867 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 868 } else { 869 if ((tstate->discenable & devinfo.target_mask) != 0) 870 spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 871 872 if ((tstate->tagenable & devinfo.target_mask) != 0) 873 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 874 } 875 cts->protocol_version = tinfo->protocol_version; 876 cts->transport_version = tinfo->transport_version; 877 878 spi->sync_period = tinfo->period; 879 spi->sync_offset = tinfo->offset; 880 spi->bus_width = tinfo->width; 881 spi->ppr_options = tinfo->ppr_options; 882 883 cts->protocol = PROTO_SCSI; 884 cts->transport = XPORT_SPI; 885 spi->valid = CTS_SPI_VALID_SYNC_RATE 886 | CTS_SPI_VALID_SYNC_OFFSET 887 | CTS_SPI_VALID_BUS_WIDTH 888 | CTS_SPI_VALID_PPR_OPTIONS; 889 890 if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) { 891 scsi->valid = CTS_SCSI_VALID_TQ; 892 spi->valid |= CTS_SPI_VALID_DISC; 893 } else { 894 scsi->valid = 0; 895 } 896 897 cts->ccb_h.status = CAM_REQ_CMP; 898 } 899 900 static void 901 ahd_async(void *callback_arg, uint32_t code, struct cam_path *path, void *arg) 902 { 903 struct ahd_softc *ahd; 904 struct cam_sim *sim; 905 906 sim = (struct cam_sim *)callback_arg; 907 ahd = (struct ahd_softc *)cam_sim_softc(sim); 908 switch (code) { 909 case AC_LOST_DEVICE: 910 { 911 struct ahd_devinfo devinfo; 912 913 ahd_compile_devinfo(&devinfo, SIM_SCSI_ID(ahd, sim), 914 xpt_path_target_id(path), 915 xpt_path_lun_id(path), 916 SIM_CHANNEL(ahd, sim), 917 ROLE_UNKNOWN); 918 919 /* 920 * Revert to async/narrow transfers 921 * for the next device. 922 */ 923 ahd_set_width(ahd, &devinfo, MSG_EXT_WDTR_BUS_8_BIT, 924 AHD_TRANS_GOAL|AHD_TRANS_CUR, /*paused*/FALSE); 925 ahd_set_syncrate(ahd, &devinfo, /*period*/0, /*offset*/0, 926 /*ppr_options*/0, AHD_TRANS_GOAL|AHD_TRANS_CUR, 927 /*paused*/FALSE); 928 break; 929 } 930 default: 931 break; 932 } 933 } 934 935 static void 936 ahd_execute_scb(void *arg, bus_dma_segment_t *dm_segs, int nsegments, 937 int error) 938 { 939 struct scb *scb; 940 union ccb *ccb; 941 struct ahd_softc *ahd; 942 struct ahd_initiator_tinfo *tinfo; 943 struct ahd_tmode_tstate *tstate; 944 u_int mask; 945 946 scb = (struct scb *)arg; 947 ccb = scb->io_ctx; 948 ahd = scb->ahd_softc; 949 950 if (error != 0) { 951 if (error == EFBIG) 952 aic_set_transaction_status(scb, CAM_REQ_TOO_BIG); 953 else 954 aic_set_transaction_status(scb, CAM_REQ_CMP_ERR); 955 if (nsegments != 0) 956 bus_dmamap_unload(ahd->buffer_dmat, scb->dmamap); 957 ahd_free_scb(ahd, scb); 958 xpt_done(ccb); 959 return; 960 } 961 scb->sg_count = 0; 962 if (nsegments != 0) { 963 void *sg; 964 bus_dmasync_op_t op; 965 u_int i; 966 967 /* Copy the segments into our SG list */ 968 for (i = nsegments, sg = scb->sg_list; i > 0; i--) { 969 sg = ahd_sg_setup(ahd, scb, sg, dm_segs->ds_addr, 970 dm_segs->ds_len, 971 /*last*/i == 1); 972 dm_segs++; 973 } 974 975 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) 976 op = BUS_DMASYNC_PREREAD; 977 else 978 op = BUS_DMASYNC_PREWRITE; 979 980 bus_dmamap_sync(ahd->buffer_dmat, scb->dmamap, op); 981 982 if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) { 983 struct target_data *tdata; 984 985 tdata = &scb->hscb->shared_data.tdata; 986 tdata->target_phases |= DPHASE_PENDING; 987 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) 988 tdata->data_phase = P_DATAOUT; 989 else 990 tdata->data_phase = P_DATAIN; 991 } 992 } 993 994 /* 995 * Last time we need to check if this SCB needs to 996 * be aborted. 997 */ 998 if (aic_get_transaction_status(scb) != CAM_REQ_INPROG) { 999 if (nsegments != 0) 1000 bus_dmamap_unload(ahd->buffer_dmat, 1001 scb->dmamap); 1002 ahd_free_scb(ahd, scb); 1003 xpt_done(ccb); 1004 return; 1005 } 1006 1007 tinfo = ahd_fetch_transinfo(ahd, SCSIID_CHANNEL(ahd, scb->hscb->scsiid), 1008 SCSIID_OUR_ID(scb->hscb->scsiid), 1009 SCSIID_TARGET(ahd, scb->hscb->scsiid), 1010 &tstate); 1011 1012 mask = SCB_GET_TARGET_MASK(ahd, scb); 1013 1014 if ((tstate->discenable & mask) != 0 1015 && (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) == 0) 1016 scb->hscb->control |= DISCENB; 1017 1018 if ((tinfo->curr.ppr_options & MSG_EXT_PPR_IU_REQ) != 0) { 1019 scb->flags |= SCB_PACKETIZED; 1020 if (scb->hscb->task_management != 0) 1021 scb->hscb->control &= ~MK_MESSAGE; 1022 } 1023 1024 if ((ccb->ccb_h.flags & CAM_NEGOTIATE) != 0 1025 && (tinfo->goal.width != 0 1026 || tinfo->goal.period != 0 1027 || tinfo->goal.ppr_options != 0)) { 1028 scb->flags |= SCB_NEGOTIATE; 1029 scb->hscb->control |= MK_MESSAGE; 1030 } else if ((tstate->auto_negotiate & mask) != 0) { 1031 scb->flags |= SCB_AUTO_NEGOTIATE; 1032 scb->hscb->control |= MK_MESSAGE; 1033 } 1034 1035 LIST_INSERT_HEAD(&ahd->pending_scbs, scb, pending_links); 1036 1037 ccb->ccb_h.status |= CAM_SIM_QUEUED; 1038 1039 aic_scb_timer_start(scb); 1040 1041 if ((scb->flags & SCB_TARGET_IMMEDIATE) != 0) { 1042 /* Define a mapping from our tag to the SCB. */ 1043 ahd->scb_data.scbindex[SCB_GET_TAG(scb)] = scb; 1044 ahd_pause(ahd); 1045 ahd_set_scbptr(ahd, SCB_GET_TAG(scb)); 1046 ahd_outb(ahd, RETURN_1, CONT_MSG_LOOP_TARG); 1047 ahd_unpause(ahd); 1048 } else { 1049 ahd_queue_scb(ahd, scb); 1050 } 1051 1052 } 1053 1054 static void 1055 ahd_poll(struct cam_sim *sim) 1056 { 1057 ahd_intr(cam_sim_softc(sim)); 1058 } 1059 1060 static void 1061 ahd_setup_data(struct ahd_softc *ahd, struct cam_sim *sim, 1062 struct ccb_scsiio *csio, struct scb *scb) 1063 { 1064 struct hardware_scb *hscb; 1065 struct ccb_hdr *ccb_h; 1066 int error; 1067 1068 hscb = scb->hscb; 1069 ccb_h = &csio->ccb_h; 1070 1071 csio->resid = 0; 1072 csio->sense_resid = 0; 1073 if (ccb_h->func_code == XPT_SCSI_IO) { 1074 hscb->cdb_len = csio->cdb_len; 1075 if ((ccb_h->flags & CAM_CDB_POINTER) != 0) { 1076 if (hscb->cdb_len > MAX_CDB_LEN 1077 && (ccb_h->flags & CAM_CDB_PHYS) == 0) { 1078 /* 1079 * Should CAM start to support CDB sizes 1080 * greater than 16 bytes, we could use 1081 * the sense buffer to store the CDB. 1082 */ 1083 aic_set_transaction_status(scb, 1084 CAM_REQ_INVALID); 1085 ahd_free_scb(ahd, scb); 1086 xpt_done((union ccb *)csio); 1087 return; 1088 } 1089 if ((ccb_h->flags & CAM_CDB_PHYS) != 0) { 1090 hscb->shared_data.idata.cdb_from_host.cdbptr = 1091 aic_htole64((uintptr_t)csio->cdb_io.cdb_ptr); 1092 hscb->shared_data.idata.cdb_from_host.cdblen = 1093 csio->cdb_len; 1094 hscb->cdb_len |= SCB_CDB_LEN_PTR; 1095 } else { 1096 memcpy(hscb->shared_data.idata.cdb, 1097 csio->cdb_io.cdb_ptr, 1098 hscb->cdb_len); 1099 } 1100 } else { 1101 if (hscb->cdb_len > MAX_CDB_LEN) { 1102 aic_set_transaction_status(scb, 1103 CAM_REQ_INVALID); 1104 ahd_free_scb(ahd, scb); 1105 xpt_done((union ccb *)csio); 1106 return; 1107 } 1108 memcpy(hscb->shared_data.idata.cdb, 1109 csio->cdb_io.cdb_bytes, hscb->cdb_len); 1110 } 1111 } 1112 1113 error = bus_dmamap_load_ccb(ahd->buffer_dmat, 1114 scb->dmamap, 1115 (union ccb *)csio, 1116 ahd_execute_scb, 1117 scb, /*flags*/0); 1118 if (error == EINPROGRESS) { 1119 /* 1120 * So as to maintain ordering, freeze the controller queue 1121 * until our mapping is returned. 1122 */ 1123 xpt_freeze_simq(sim, /*count*/1); 1124 scb->io_ctx->ccb_h.status |= CAM_RELEASE_SIMQ; 1125 } 1126 } 1127 1128 static void 1129 ahd_abort_ccb(struct ahd_softc *ahd, struct cam_sim *sim, union ccb *ccb) 1130 { 1131 union ccb *abort_ccb; 1132 1133 abort_ccb = ccb->cab.abort_ccb; 1134 switch (abort_ccb->ccb_h.func_code) { 1135 #ifdef AHD_TARGET_MODE 1136 case XPT_ACCEPT_TARGET_IO: 1137 case XPT_IMMEDIATE_NOTIFY: 1138 case XPT_CONT_TARGET_IO: 1139 { 1140 struct ahd_tmode_tstate *tstate; 1141 struct ahd_tmode_lstate *lstate; 1142 struct ccb_hdr_slist *list; 1143 cam_status status; 1144 1145 status = ahd_find_tmode_devs(ahd, sim, abort_ccb, &tstate, 1146 &lstate, TRUE); 1147 1148 if (status != CAM_REQ_CMP) { 1149 ccb->ccb_h.status = status; 1150 break; 1151 } 1152 1153 if (abort_ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) 1154 list = &lstate->accept_tios; 1155 else if (abort_ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) 1156 list = &lstate->immed_notifies; 1157 else 1158 list = NULL; 1159 1160 if (list != NULL) { 1161 struct ccb_hdr *curelm; 1162 int found; 1163 1164 curelm = SLIST_FIRST(list); 1165 found = 0; 1166 if (curelm == &abort_ccb->ccb_h) { 1167 found = 1; 1168 SLIST_REMOVE_HEAD(list, sim_links.sle); 1169 } else { 1170 while(curelm != NULL) { 1171 struct ccb_hdr *nextelm; 1172 1173 nextelm = 1174 SLIST_NEXT(curelm, sim_links.sle); 1175 1176 if (nextelm == &abort_ccb->ccb_h) { 1177 found = 1; 1178 SLIST_NEXT(curelm, 1179 sim_links.sle) = 1180 SLIST_NEXT(nextelm, 1181 sim_links.sle); 1182 break; 1183 } 1184 curelm = nextelm; 1185 } 1186 } 1187 1188 if (found) { 1189 abort_ccb->ccb_h.status = CAM_REQ_ABORTED; 1190 xpt_done(abort_ccb); 1191 ccb->ccb_h.status = CAM_REQ_CMP; 1192 } else { 1193 xpt_print_path(abort_ccb->ccb_h.path); 1194 printf("Not found\n"); 1195 ccb->ccb_h.status = CAM_PATH_INVALID; 1196 } 1197 break; 1198 } 1199 /* FALLTHROUGH */ 1200 } 1201 #endif 1202 case XPT_SCSI_IO: 1203 /* XXX Fully implement the hard ones */ 1204 ccb->ccb_h.status = CAM_UA_ABORT; 1205 break; 1206 default: 1207 ccb->ccb_h.status = CAM_REQ_INVALID; 1208 break; 1209 } 1210 xpt_done(ccb); 1211 } 1212 1213 void 1214 ahd_send_async(struct ahd_softc *ahd, char channel, u_int target, 1215 u_int lun, ac_code code, void *opt_arg) 1216 { 1217 struct ccb_trans_settings cts; 1218 struct cam_path *path; 1219 void *arg; 1220 int error; 1221 1222 arg = NULL; 1223 error = ahd_create_path(ahd, channel, target, lun, &path); 1224 1225 if (error != CAM_REQ_CMP) 1226 return; 1227 1228 switch (code) { 1229 case AC_TRANSFER_NEG: 1230 { 1231 struct ccb_trans_settings_scsi *scsi; 1232 1233 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1234 scsi = &cts.proto_specific.scsi; 1235 cts.ccb_h.path = path; 1236 cts.ccb_h.target_id = target; 1237 cts.ccb_h.target_lun = lun; 1238 ahd_get_tran_settings(ahd, ahd->our_id, channel, &cts); 1239 arg = &cts; 1240 scsi->valid &= ~CTS_SCSI_VALID_TQ; 1241 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 1242 if (opt_arg == NULL) 1243 break; 1244 if (*((ahd_queue_alg *)opt_arg) == AHD_QUEUE_TAGGED) 1245 scsi->flags |= ~CTS_SCSI_FLAGS_TAG_ENB; 1246 scsi->valid |= CTS_SCSI_VALID_TQ; 1247 break; 1248 } 1249 case AC_SENT_BDR: 1250 case AC_BUS_RESET: 1251 break; 1252 default: 1253 panic("ahd_send_async: Unexpected async event"); 1254 } 1255 xpt_async(code, path, arg); 1256 xpt_free_path(path); 1257 } 1258 1259 void 1260 ahd_platform_set_tags(struct ahd_softc *ahd, 1261 struct ahd_devinfo *devinfo, int enable) 1262 { 1263 } 1264 1265 int 1266 ahd_platform_alloc(struct ahd_softc *ahd, void *platform_arg) 1267 { 1268 ahd->platform_data = malloc(sizeof(struct ahd_platform_data), M_DEVBUF, 1269 M_NOWAIT | M_ZERO); 1270 if (ahd->platform_data == NULL) 1271 return (ENOMEM); 1272 return (0); 1273 } 1274 1275 void 1276 ahd_platform_free(struct ahd_softc *ahd) 1277 { 1278 struct ahd_platform_data *pdata; 1279 1280 pdata = ahd->platform_data; 1281 if (pdata != NULL) { 1282 if (pdata->regs[0] != NULL) 1283 bus_release_resource(ahd->dev_softc, 1284 pdata->regs_res_type[0], 1285 pdata->regs_res_id[0], 1286 pdata->regs[0]); 1287 1288 if (pdata->regs[1] != NULL) 1289 bus_release_resource(ahd->dev_softc, 1290 pdata->regs_res_type[1], 1291 pdata->regs_res_id[1], 1292 pdata->regs[1]); 1293 1294 if (pdata->irq != NULL) 1295 bus_release_resource(ahd->dev_softc, 1296 pdata->irq_res_type, 1297 0, pdata->irq); 1298 1299 if (pdata->sim != NULL) { 1300 xpt_async(AC_LOST_DEVICE, pdata->path, NULL); 1301 xpt_free_path(pdata->path); 1302 xpt_bus_deregister(cam_sim_path(pdata->sim)); 1303 cam_sim_free(pdata->sim, /*free_devq*/TRUE); 1304 } 1305 if (pdata->eh != NULL) 1306 EVENTHANDLER_DEREGISTER(shutdown_final, pdata->eh); 1307 free(ahd->platform_data, M_DEVBUF); 1308 } 1309 } 1310 1311 int 1312 ahd_softc_comp(struct ahd_softc *lahd, struct ahd_softc *rahd) 1313 { 1314 /* We don't sort softcs under FreeBSD so report equal always */ 1315 return (0); 1316 } 1317 1318 int 1319 ahd_detach(device_t dev) 1320 { 1321 struct ahd_softc *ahd; 1322 1323 device_printf(dev, "detaching device\n"); 1324 ahd = device_get_softc(dev); 1325 ahd_lock(ahd); 1326 TAILQ_REMOVE(&ahd_tailq, ahd, links); 1327 ahd_intr_enable(ahd, FALSE); 1328 bus_teardown_intr(dev, ahd->platform_data->irq, ahd->platform_data->ih); 1329 ahd_unlock(ahd); 1330 ahd_free(ahd); 1331 return (0); 1332 } 1333 1334 #if 0 1335 static void 1336 ahd_dump_targcmd(struct target_cmd *cmd) 1337 { 1338 uint8_t *byte; 1339 uint8_t *last_byte; 1340 int i; 1341 1342 byte = &cmd->initiator_channel; 1343 /* Debugging info for received commands */ 1344 last_byte = &cmd[1].initiator_channel; 1345 1346 i = 0; 1347 while (byte < last_byte) { 1348 if (i == 0) 1349 printf("\t"); 1350 printf("%#x", *byte++); 1351 i++; 1352 if (i == 8) { 1353 printf("\n"); 1354 i = 0; 1355 } else { 1356 printf(", "); 1357 } 1358 } 1359 } 1360 #endif 1361 1362 static int 1363 ahd_modevent(module_t mod, int type, void *data) 1364 { 1365 /* XXX Deal with busy status on unload. */ 1366 /* XXX Deal with unknown events */ 1367 return 0; 1368 } 1369 1370 static moduledata_t ahd_mod = { 1371 "ahd", 1372 ahd_modevent, 1373 NULL 1374 }; 1375 1376 /********************************** DDB Hooks *********************************/ 1377 #ifdef DDB 1378 static struct ahd_softc *ahd_ddb_softc; 1379 static int ahd_ddb_paused; 1380 static int ahd_ddb_paused_on_entry; 1381 DB_COMMAND(ahd_sunit, ahd_ddb_sunit) 1382 { 1383 struct ahd_softc *list_ahd; 1384 1385 ahd_ddb_softc = NULL; 1386 TAILQ_FOREACH(list_ahd, &ahd_tailq, links) { 1387 if (list_ahd->unit == addr) 1388 ahd_ddb_softc = list_ahd; 1389 } 1390 if (ahd_ddb_softc == NULL) 1391 db_error("No matching softc found!\n"); 1392 } 1393 1394 DB_COMMAND(ahd_pause, ahd_ddb_pause) 1395 { 1396 if (ahd_ddb_softc == NULL) { 1397 db_error("Must set unit with ahd_sunit first!\n"); 1398 return; 1399 } 1400 if (ahd_ddb_paused == 0) { 1401 ahd_ddb_paused++; 1402 if (ahd_is_paused(ahd_ddb_softc)) { 1403 ahd_ddb_paused_on_entry++; 1404 return; 1405 } 1406 ahd_pause(ahd_ddb_softc); 1407 } 1408 } 1409 1410 DB_COMMAND(ahd_unpause, ahd_ddb_unpause) 1411 { 1412 if (ahd_ddb_softc == NULL) { 1413 db_error("Must set unit with ahd_sunit first!\n"); 1414 return; 1415 } 1416 if (ahd_ddb_paused != 0) { 1417 ahd_ddb_paused = 0; 1418 if (ahd_ddb_paused_on_entry) 1419 return; 1420 ahd_unpause(ahd_ddb_softc); 1421 } else if (ahd_ddb_paused_on_entry != 0) { 1422 /* Two unpauses to clear a paused on entry. */ 1423 ahd_ddb_paused_on_entry = 0; 1424 ahd_unpause(ahd_ddb_softc); 1425 } 1426 } 1427 1428 DB_COMMAND(ahd_in, ahd_ddb_in) 1429 { 1430 int c; 1431 int size; 1432 1433 if (ahd_ddb_softc == NULL) { 1434 db_error("Must set unit with ahd_sunit first!\n"); 1435 return; 1436 } 1437 if (have_addr == 0) 1438 return; 1439 1440 size = 1; 1441 while ((c = *modif++) != '\0') { 1442 switch (c) { 1443 case 'b': 1444 size = 1; 1445 break; 1446 case 'w': 1447 size = 2; 1448 break; 1449 case 'l': 1450 size = 4; 1451 break; 1452 } 1453 } 1454 1455 if (count <= 0) 1456 count = 1; 1457 while (--count >= 0) { 1458 db_printf("%04lx (M)%x: \t", (u_long)addr, 1459 ahd_inb(ahd_ddb_softc, MODE_PTR)); 1460 switch (size) { 1461 case 1: 1462 db_printf("%02x\n", ahd_inb(ahd_ddb_softc, addr)); 1463 break; 1464 case 2: 1465 db_printf("%04x\n", ahd_inw(ahd_ddb_softc, addr)); 1466 break; 1467 case 4: 1468 db_printf("%08x\n", ahd_inl(ahd_ddb_softc, addr)); 1469 break; 1470 } 1471 } 1472 } 1473 1474 DB_COMMAND_FLAGS(ahd_out, ahd_ddb_out, CS_MORE) 1475 { 1476 db_expr_t old_value; 1477 db_expr_t new_value; 1478 int size; 1479 1480 if (ahd_ddb_softc == NULL) { 1481 db_error("Must set unit with ahd_sunit first!\n"); 1482 return; 1483 } 1484 1485 switch (modif[0]) { 1486 case '\0': 1487 case 'b': 1488 size = 1; 1489 break; 1490 case 'h': 1491 size = 2; 1492 break; 1493 case 'l': 1494 size = 4; 1495 break; 1496 default: 1497 db_error("Unknown size\n"); 1498 return; 1499 } 1500 1501 while (db_expression(&new_value)) { 1502 switch (size) { 1503 default: 1504 case 1: 1505 old_value = ahd_inb(ahd_ddb_softc, addr); 1506 ahd_outb(ahd_ddb_softc, addr, new_value); 1507 break; 1508 case 2: 1509 old_value = ahd_inw(ahd_ddb_softc, addr); 1510 ahd_outw(ahd_ddb_softc, addr, new_value); 1511 break; 1512 case 4: 1513 old_value = ahd_inl(ahd_ddb_softc, addr); 1514 ahd_outl(ahd_ddb_softc, addr, new_value); 1515 break; 1516 } 1517 db_printf("%04lx (M)%x: \t0x%lx\t=\t0x%lx", 1518 (u_long)addr, ahd_inb(ahd_ddb_softc, MODE_PTR), 1519 (u_long)old_value, (u_long)new_value); 1520 addr += size; 1521 } 1522 db_skip_to_eol(); 1523 } 1524 1525 DB_COMMAND(ahd_dump, ahd_ddb_dump) 1526 { 1527 if (ahd_ddb_softc == NULL) { 1528 db_error("Must set unit with ahd_sunit first!\n"); 1529 return; 1530 } 1531 ahd_dump_card_state(ahd_ddb_softc); 1532 } 1533 1534 #endif 1535 1536 DECLARE_MODULE(ahd, ahd_mod, SI_SUB_DRIVERS, SI_ORDER_MIDDLE); 1537 MODULE_DEPEND(ahd, cam, 1, 1, 1); 1538 MODULE_VERSION(ahd, 1); 1539