1 /*- 2 * Copyright (c) 2002 Adaptec, Inc. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 #include <sys/cdefs.h> 28 __FBSDID("$FreeBSD$"); 29 30 /* 31 * CAM front-end for communicating with non-DASD devices 32 */ 33 34 #include "opt_aac.h" 35 36 #include <sys/param.h> 37 #include <sys/systm.h> 38 #include <sys/kernel.h> 39 #include <sys/sysctl.h> 40 #include <sys/lock.h> 41 #include <sys/malloc.h> 42 #include <sys/module.h> 43 #include <sys/mutex.h> 44 45 #include <cam/cam.h> 46 #include <cam/cam_ccb.h> 47 #include <cam/cam_debug.h> 48 #include <cam/cam_periph.h> 49 #include <cam/cam_sim.h> 50 #include <cam/cam_xpt_sim.h> 51 #include <cam/scsi/scsi_all.h> 52 #include <cam/scsi/scsi_message.h> 53 54 #include <sys/bus.h> 55 #include <sys/conf.h> 56 #include <sys/disk.h> 57 58 #include <machine/md_var.h> 59 #include <machine/bus.h> 60 #include <sys/rman.h> 61 62 #include <vm/vm.h> 63 #include <vm/pmap.h> 64 65 #include <dev/aac/aacreg.h> 66 #include <sys/aac_ioctl.h> 67 #include <dev/aac/aacvar.h> 68 69 struct aac_cam { 70 device_t dev; 71 struct aac_sim *inf; 72 struct cam_sim *sim; 73 struct cam_path *path; 74 }; 75 76 static int aac_cam_probe(device_t dev); 77 static int aac_cam_attach(device_t dev); 78 static int aac_cam_detach(device_t dev); 79 static void aac_cam_action(struct cam_sim *, union ccb *); 80 static void aac_cam_poll(struct cam_sim *); 81 static void aac_cam_complete(struct aac_command *); 82 static void aac_cam_rescan(struct aac_softc *sc, uint32_t channel, 83 uint32_t target_id); 84 85 static u_int32_t aac_cam_reset_bus(struct cam_sim *, union ccb *); 86 static u_int32_t aac_cam_abort_ccb(struct cam_sim *, union ccb *); 87 static u_int32_t aac_cam_term_io(struct cam_sim *, union ccb *); 88 89 static devclass_t aac_pass_devclass; 90 91 static device_method_t aac_pass_methods[] = { 92 DEVMETHOD(device_probe, aac_cam_probe), 93 DEVMETHOD(device_attach, aac_cam_attach), 94 DEVMETHOD(device_detach, aac_cam_detach), 95 DEVMETHOD_END 96 }; 97 98 static driver_t aac_pass_driver = { 99 "aacp", 100 aac_pass_methods, 101 sizeof(struct aac_cam) 102 }; 103 104 DRIVER_MODULE(aacp, aac, aac_pass_driver, aac_pass_devclass, NULL, NULL); 105 MODULE_DEPEND(aacp, cam, 1, 1, 1); 106 107 static MALLOC_DEFINE(M_AACCAM, "aaccam", "AAC CAM info"); 108 109 static void 110 aac_cam_rescan(struct aac_softc *sc, uint32_t channel, uint32_t target_id) 111 { 112 union ccb *ccb; 113 struct aac_sim *sim; 114 struct aac_cam *camsc; 115 116 if (target_id == AAC_CAM_TARGET_WILDCARD) 117 target_id = CAM_TARGET_WILDCARD; 118 119 TAILQ_FOREACH(sim, &sc->aac_sim_tqh, sim_link) { 120 camsc = sim->aac_cam; 121 if (camsc == NULL || camsc->inf == NULL || 122 camsc->inf->BusNumber != channel) 123 continue; 124 125 ccb = xpt_alloc_ccb_nowait(); 126 if (ccb == NULL) { 127 device_printf(sc->aac_dev, 128 "Cannot allocate ccb for bus rescan.\n"); 129 return; 130 } 131 132 if (xpt_create_path(&ccb->ccb_h.path, NULL, 133 cam_sim_path(camsc->sim), 134 target_id, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 135 xpt_free_ccb(ccb); 136 device_printf(sc->aac_dev, 137 "Cannot create path for bus rescan.\n"); 138 return; 139 } 140 xpt_rescan(ccb); 141 break; 142 } 143 } 144 145 146 static void 147 aac_cam_event(struct aac_softc *sc, struct aac_event *event, void *arg) 148 { 149 union ccb *ccb; 150 struct aac_cam *camsc; 151 152 switch (event->ev_type) { 153 case AAC_EVENT_CMFREE: 154 ccb = arg; 155 camsc = ccb->ccb_h.sim_priv.entries[0].ptr; 156 free(event, M_AACCAM); 157 xpt_release_simq(camsc->sim, 1); 158 ccb->ccb_h.status = CAM_REQUEUE_REQ; 159 xpt_done(ccb); 160 break; 161 default: 162 device_printf(sc->aac_dev, "unknown event %d in aac_cam\n", 163 event->ev_type); 164 break; 165 } 166 } 167 168 static int 169 aac_cam_probe(device_t dev) 170 { 171 fwprintf(NULL, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, ""); 172 173 return (0); 174 } 175 176 static int 177 aac_cam_detach(device_t dev) 178 { 179 struct aac_softc *sc; 180 struct aac_cam *camsc; 181 fwprintf(NULL, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, ""); 182 183 camsc = (struct aac_cam *)device_get_softc(dev); 184 sc = camsc->inf->aac_sc; 185 camsc->inf->aac_cam = NULL; 186 187 mtx_lock(&sc->aac_io_lock); 188 189 xpt_async(AC_LOST_DEVICE, camsc->path, NULL); 190 xpt_free_path(camsc->path); 191 xpt_bus_deregister(cam_sim_path(camsc->sim)); 192 cam_sim_free(camsc->sim, /*free_devq*/TRUE); 193 194 sc->cam_rescan_cb = NULL; 195 196 mtx_unlock(&sc->aac_io_lock); 197 198 return (0); 199 } 200 201 /* 202 * Register the driver as a CAM SIM 203 */ 204 static int 205 aac_cam_attach(device_t dev) 206 { 207 struct cam_devq *devq; 208 struct cam_sim *sim; 209 struct cam_path *path; 210 struct aac_cam *camsc; 211 struct aac_sim *inf; 212 213 fwprintf(NULL, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, ""); 214 215 camsc = (struct aac_cam *)device_get_softc(dev); 216 inf = (struct aac_sim *)device_get_ivars(dev); 217 camsc->inf = inf; 218 camsc->inf->aac_cam = camsc; 219 220 devq = cam_simq_alloc(inf->TargetsPerBus); 221 if (devq == NULL) 222 return (EIO); 223 224 sim = cam_sim_alloc(aac_cam_action, aac_cam_poll, "aacp", camsc, 225 device_get_unit(dev), &inf->aac_sc->aac_io_lock, 1, 1, devq); 226 if (sim == NULL) { 227 cam_simq_free(devq); 228 return (EIO); 229 } 230 231 /* Since every bus has it's own sim, every bus 'appears' as bus 0 */ 232 mtx_lock(&inf->aac_sc->aac_io_lock); 233 if (xpt_bus_register(sim, dev, 0) != CAM_SUCCESS) { 234 cam_sim_free(sim, TRUE); 235 mtx_unlock(&inf->aac_sc->aac_io_lock); 236 return (EIO); 237 } 238 239 if (xpt_create_path(&path, NULL, cam_sim_path(sim), 240 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 241 xpt_bus_deregister(cam_sim_path(sim)); 242 cam_sim_free(sim, TRUE); 243 mtx_unlock(&inf->aac_sc->aac_io_lock); 244 return (EIO); 245 } 246 inf->aac_sc->cam_rescan_cb = aac_cam_rescan; 247 mtx_unlock(&inf->aac_sc->aac_io_lock); 248 249 camsc->sim = sim; 250 camsc->path = path; 251 252 return (0); 253 } 254 255 static void 256 aac_cam_action(struct cam_sim *sim, union ccb *ccb) 257 { 258 struct aac_cam *camsc; 259 struct aac_softc *sc; 260 struct aac_srb *srb; 261 struct aac_fib *fib; 262 struct aac_command *cm; 263 264 camsc = (struct aac_cam *)cam_sim_softc(sim); 265 sc = camsc->inf->aac_sc; 266 fwprintf(sc, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, ""); 267 268 /* Synchronous ops, and ops that don't require communication with the 269 * controller */ 270 switch(ccb->ccb_h.func_code) { 271 case XPT_SCSI_IO: 272 case XPT_RESET_DEV: 273 /* These are handled down below */ 274 break; 275 case XPT_CALC_GEOMETRY: 276 { 277 struct ccb_calc_geometry *ccg; 278 u_int32_t size_mb; 279 u_int32_t secs_per_cylinder; 280 281 ccg = &ccb->ccg; 282 size_mb = ccg->volume_size / 283 ((1024L * 1024L) / ccg->block_size); 284 if (size_mb >= (2 * 1024)) { /* 2GB */ 285 ccg->heads = 255; 286 ccg->secs_per_track = 63; 287 } else if (size_mb >= (1 * 1024)) { /* 1GB */ 288 ccg->heads = 128; 289 ccg->secs_per_track = 32; 290 } else { 291 ccg->heads = 64; 292 ccg->secs_per_track = 32; 293 } 294 secs_per_cylinder = ccg->heads * ccg->secs_per_track; 295 ccg->cylinders = ccg->volume_size / secs_per_cylinder; 296 297 ccb->ccb_h.status = CAM_REQ_CMP; 298 xpt_done(ccb); 299 return; 300 } 301 case XPT_PATH_INQ: 302 { 303 struct ccb_pathinq *cpi = &ccb->cpi; 304 305 cpi->version_num = 1; 306 cpi->hba_inquiry = PI_WIDE_16; 307 cpi->target_sprt = 0; 308 309 /* 310 * Resetting via the passthrough or parallel bus scan 311 * causes problems. 312 */ 313 cpi->hba_misc = PIM_NOBUSRESET | PIM_SEQSCAN; 314 cpi->hba_eng_cnt = 0; 315 cpi->max_target = camsc->inf->TargetsPerBus; 316 cpi->max_lun = 8; /* Per the controller spec */ 317 cpi->initiator_id = camsc->inf->InitiatorBusId; 318 cpi->bus_id = camsc->inf->BusNumber; 319 cpi->base_transfer_speed = 3300; 320 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 321 strncpy(cpi->hba_vid, "Adaptec", HBA_IDLEN); 322 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 323 cpi->unit_number = cam_sim_unit(sim); 324 cpi->transport = XPORT_SPI; 325 cpi->transport_version = 2; 326 cpi->protocol = PROTO_SCSI; 327 cpi->protocol_version = SCSI_REV_2; 328 ccb->ccb_h.status = CAM_REQ_CMP; 329 xpt_done(ccb); 330 return; 331 } 332 case XPT_GET_TRAN_SETTINGS: 333 { 334 struct ccb_trans_settings_scsi *scsi = 335 &ccb->cts.proto_specific.scsi; 336 struct ccb_trans_settings_spi *spi = 337 &ccb->cts.xport_specific.spi; 338 ccb->cts.protocol = PROTO_SCSI; 339 ccb->cts.protocol_version = SCSI_REV_2; 340 ccb->cts.transport = XPORT_SPI; 341 ccb->cts.transport_version = 2; 342 if (ccb->ccb_h.target_lun != CAM_LUN_WILDCARD) { 343 scsi->valid = CTS_SCSI_VALID_TQ; 344 spi->valid |= CTS_SPI_VALID_DISC; 345 } else { 346 scsi->valid = 0; 347 } 348 ccb->ccb_h.status = CAM_REQ_CMP; 349 xpt_done(ccb); 350 return; 351 } 352 case XPT_SET_TRAN_SETTINGS: 353 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 354 xpt_done(ccb); 355 return; 356 case XPT_RESET_BUS: 357 if (!(sc->flags & AAC_FLAGS_CAM_NORESET)) { 358 ccb->ccb_h.status = aac_cam_reset_bus(sim, ccb); 359 } else { 360 ccb->ccb_h.status = CAM_REQ_CMP; 361 } 362 xpt_done(ccb); 363 return; 364 case XPT_ABORT: 365 ccb->ccb_h.status = aac_cam_abort_ccb(sim, ccb); 366 xpt_done(ccb); 367 return; 368 case XPT_TERM_IO: 369 ccb->ccb_h.status = aac_cam_term_io(sim, ccb); 370 xpt_done(ccb); 371 return; 372 default: 373 device_printf(sc->aac_dev, "Unsupported command 0x%x\n", 374 ccb->ccb_h.func_code); 375 ccb->ccb_h.status = CAM_PROVIDE_FAIL; 376 xpt_done(ccb); 377 return; 378 } 379 380 /* Async ops that require communcation with the controller */ 381 382 if (aac_alloc_command(sc, &cm)) { 383 struct aac_event *event; 384 385 xpt_freeze_simq(sim, 1); 386 ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 387 ccb->ccb_h.sim_priv.entries[0].ptr = camsc; 388 event = malloc(sizeof(struct aac_event), M_AACCAM, 389 M_NOWAIT | M_ZERO); 390 if (event == NULL) { 391 device_printf(sc->aac_dev, 392 "Warning, out of memory for event\n"); 393 return; 394 } 395 event->ev_callback = aac_cam_event; 396 event->ev_arg = ccb; 397 event->ev_type = AAC_EVENT_CMFREE; 398 aac_add_event(sc, event); 399 return; 400 } 401 402 fib = cm->cm_fib; 403 srb = (struct aac_srb *)&fib->data[0]; 404 cm->cm_datalen = 0; 405 406 switch (ccb->ccb_h.flags & CAM_DIR_MASK) { 407 case CAM_DIR_IN: 408 srb->flags = AAC_SRB_FLAGS_DATA_IN; 409 cm->cm_flags |= AAC_CMD_DATAIN; 410 break; 411 case CAM_DIR_OUT: 412 srb->flags = AAC_SRB_FLAGS_DATA_OUT; 413 cm->cm_flags |= AAC_CMD_DATAOUT; 414 break; 415 case CAM_DIR_NONE: 416 srb->flags = AAC_SRB_FLAGS_NO_DATA_XFER; 417 break; 418 default: 419 srb->flags = AAC_SRB_FLAGS_UNSPECIFIED_DIRECTION; 420 cm->cm_flags |= AAC_CMD_DATAIN | AAC_CMD_DATAOUT; 421 break; 422 } 423 424 switch(ccb->ccb_h.func_code) { 425 case XPT_SCSI_IO: 426 { 427 struct ccb_scsiio *csio = &ccb->csio; 428 429 srb->function = AAC_SRB_FUNC_EXECUTE_SCSI; 430 431 /* 432 * Copy the CDB into the SRB. It's only 6-16 bytes, 433 * so a copy is not too expensive. 434 */ 435 srb->cdb_len = csio->cdb_len; 436 if (ccb->ccb_h.flags & CAM_CDB_POINTER) 437 bcopy(csio->cdb_io.cdb_ptr, (u_int8_t *)&srb->cdb[0], 438 srb->cdb_len); 439 else 440 bcopy(csio->cdb_io.cdb_bytes, (u_int8_t *)&srb->cdb[0], 441 srb->cdb_len); 442 443 /* Set command */ 444 fib->Header.Command = (sc->flags & AAC_FLAGS_SG_64BIT) ? 445 ScsiPortCommandU64 : ScsiPortCommand; 446 447 /* Map the s/g list. XXX 32bit addresses only! */ 448 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 449 switch ((ccb->ccb_h.flags & CAM_DATA_MASK)) { 450 case CAM_DATA_VADDR: 451 srb->data_len = csio->dxfer_len; 452 /* 453 * Arrange things so that the S/G 454 * map will get set up automagically 455 */ 456 cm->cm_data = (void *)csio->data_ptr; 457 cm->cm_datalen = csio->dxfer_len; 458 cm->cm_sgtable = &srb->sg_map; 459 break; 460 case CAM_DATA_PADDR: 461 /* Send a 32bit command */ 462 fib->Header.Command = ScsiPortCommand; 463 srb->sg_map.SgCount = 1; 464 srb->sg_map.SgEntry[0].SgAddress = 465 (uint32_t)(uintptr_t)csio->data_ptr; 466 srb->sg_map.SgEntry[0].SgByteCount = 467 csio->dxfer_len; 468 srb->data_len = csio->dxfer_len; 469 break; 470 default: 471 /* XXX Need to handle multiple s/g elements */ 472 panic("aac_cam: multiple s/g elements"); 473 } 474 } else { 475 srb->sg_map.SgCount = 0; 476 srb->sg_map.SgEntry[0].SgByteCount = 0; 477 srb->data_len = 0; 478 } 479 480 break; 481 } 482 case XPT_RESET_DEV: 483 if (!(sc->flags & AAC_FLAGS_CAM_NORESET)) { 484 srb->function = AAC_SRB_FUNC_RESET_DEVICE; 485 break; 486 } else { 487 ccb->ccb_h.status = CAM_REQ_CMP; 488 xpt_done(ccb); 489 return; 490 } 491 default: 492 break; 493 } 494 495 srb->bus = camsc->inf->BusNumber; /* Bus number relative to the card */ 496 srb->target = ccb->ccb_h.target_id; 497 srb->lun = ccb->ccb_h.target_lun; 498 srb->timeout = ccb->ccb_h.timeout; /* XXX */ 499 srb->retry_limit = 0; 500 501 cm->cm_complete = aac_cam_complete; 502 cm->cm_private = ccb; 503 cm->cm_timestamp = time_uptime; 504 505 fib->Header.XferState = 506 AAC_FIBSTATE_HOSTOWNED | 507 AAC_FIBSTATE_INITIALISED | 508 AAC_FIBSTATE_FROMHOST | 509 AAC_FIBSTATE_REXPECTED | 510 AAC_FIBSTATE_NORM; 511 fib->Header.Size = sizeof(struct aac_fib_header) + 512 sizeof(struct aac_srb); 513 514 aac_enqueue_ready(cm); 515 aac_startio(cm->cm_sc); 516 } 517 518 static void 519 aac_cam_poll(struct cam_sim *sim) 520 { 521 /* 522 * Pinging the interrupt routine isn't very safe, nor is it 523 * really necessary. Do nothing. 524 */ 525 } 526 527 static void 528 aac_cam_fix_inquiry(struct aac_softc *sc, union ccb *ccb) 529 { 530 struct scsi_inquiry_data *inq; 531 uint8_t *data; 532 uint8_t device, qual; 533 534 /* If this is an inquiry command, fake things out */ 535 if (ccb->ccb_h.flags & CAM_CDB_POINTER) 536 data = ccb->csio.cdb_io.cdb_ptr; 537 else 538 data = ccb->csio.cdb_io.cdb_bytes; 539 540 if (data[0] != INQUIRY) 541 return; 542 543 if (ccb->ccb_h.status == CAM_REQ_CMP) { 544 inq = (struct scsi_inquiry_data *)ccb->csio.data_ptr; 545 device = SID_TYPE(inq); 546 qual = SID_QUAL(inq); 547 548 /* 549 * We want DASD and PROC devices to only be 550 * visible through the pass device. 551 */ 552 if (((device == T_DIRECT) || 553 (device == T_PROCESSOR) || 554 (sc->flags & AAC_FLAGS_CAM_PASSONLY))) { 555 /* 556 * Some aac(4) adapters will always report that a direct 557 * access device is offline in response to a INQUIRY 558 * command that does not retrieve vital product data. 559 * Force the qualifier to connected so that upper layers 560 * correctly recognize that a disk is present. 561 */ 562 if ((data[1] & SI_EVPD) == 0 && device == T_DIRECT && 563 qual == SID_QUAL_LU_OFFLINE) 564 qual = SID_QUAL_LU_CONNECTED; 565 ccb->csio.data_ptr[0] = (qual << 5) | T_NODEVICE; 566 } 567 } else if (ccb->ccb_h.status == CAM_SEL_TIMEOUT && 568 ccb->ccb_h.target_lun != 0) { 569 /* fix for INQUIRYs on Lun>0 */ 570 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 571 } 572 } 573 574 static void 575 aac_cam_complete(struct aac_command *cm) 576 { 577 union ccb *ccb; 578 struct aac_srb_response *srbr; 579 struct aac_softc *sc; 580 int sense_returned; 581 582 sc = cm->cm_sc; 583 fwprintf(sc, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, ""); 584 ccb = cm->cm_private; 585 srbr = (struct aac_srb_response *)&cm->cm_fib->data[0]; 586 587 if (srbr->fib_status != 0) { 588 device_printf(sc->aac_dev, "Passthru FIB failed!\n"); 589 ccb->ccb_h.status = CAM_REQ_ABORTED; 590 } else { 591 /* 592 * The SRB error codes just happen to match the CAM error 593 * codes. How convenient! 594 */ 595 ccb->ccb_h.status = srbr->srb_status; 596 597 /* Take care of SCSI_IO ops. */ 598 if (ccb->ccb_h.func_code == XPT_SCSI_IO) { 599 ccb->csio.scsi_status = srbr->scsi_status; 600 601 /* Take care of autosense */ 602 if (srbr->sense_len) { 603 sense_returned = srbr->sense_len; 604 if (sense_returned < ccb->csio.sense_len) 605 ccb->csio.sense_resid = 606 ccb->csio.sense_len - 607 sense_returned; 608 else 609 ccb->csio.sense_resid = 0; 610 bzero(&ccb->csio.sense_data, 611 sizeof(struct scsi_sense_data)); 612 bcopy(&srbr->sense[0], &ccb->csio.sense_data, 613 min(ccb->csio.sense_len, sense_returned)); 614 ccb->ccb_h.status |= CAM_AUTOSNS_VALID; 615 // scsi_sense_print(&ccb->csio); 616 } 617 618 aac_cam_fix_inquiry(sc, ccb); 619 } 620 } 621 622 aac_release_command(cm); 623 xpt_done(ccb); 624 } 625 626 static u_int32_t 627 aac_cam_reset_bus(struct cam_sim *sim, union ccb *ccb) 628 { 629 struct aac_fib *fib; 630 struct aac_softc *sc; 631 struct aac_cam *camsc; 632 struct aac_vmioctl *vmi; 633 struct aac_resetbus *rbc; 634 int e; 635 636 camsc = (struct aac_cam *)cam_sim_softc(sim); 637 sc = camsc->inf->aac_sc; 638 639 if (sc == NULL) { 640 printf("aac: Null sc?\n"); 641 return (CAM_REQ_ABORTED); 642 } 643 644 aac_alloc_sync_fib(sc, &fib); 645 646 vmi = (struct aac_vmioctl *)&fib->data[0]; 647 bzero(vmi, sizeof(struct aac_vmioctl)); 648 649 vmi->Command = VM_Ioctl; 650 vmi->ObjType = FT_DRIVE; 651 vmi->MethId = sc->scsi_method_id; 652 vmi->ObjId = 0; 653 vmi->IoctlCmd = ResetBus; 654 655 rbc = (struct aac_resetbus *)&vmi->IoctlBuf[0]; 656 rbc->BusNumber = camsc->inf->BusNumber; 657 658 e = aac_sync_fib(sc, ContainerCommand, 0, fib, 659 sizeof(struct aac_vmioctl)); 660 if (e) { 661 device_printf(sc->aac_dev,"Error %d sending ResetBus command\n", 662 e); 663 aac_release_sync_fib(sc); 664 return (CAM_REQ_ABORTED); 665 } 666 667 aac_release_sync_fib(sc); 668 return (CAM_REQ_CMP); 669 } 670 671 static u_int32_t 672 aac_cam_abort_ccb(struct cam_sim *sim, union ccb *ccb) 673 { 674 return (CAM_UA_ABORT); 675 } 676 677 static u_int32_t 678 aac_cam_term_io(struct cam_sim *sim, union ccb *ccb) 679 { 680 return (CAM_UA_TERMIO); 681 } 682