Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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sys/dev/aac/aac_cam.c
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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: releng/8.3/sys/dev/aac/aac_cam.c 226915 2011-10-29 23:51:21Z marius $"); 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 { 0, 0 } 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, 0, 0); 105 MODULE_DEPEND(aacp, cam, 1, 1, 1); 106 107 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, xpt_periph, 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 return; 168 } 169 170 static int 171 aac_cam_probe(device_t dev) 172 { 173 fwprintf(NULL, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, ""); 174 175 return (0); 176 } 177 178 static int 179 aac_cam_detach(device_t dev) 180 { 181 struct aac_softc *sc; 182 struct aac_cam *camsc; 183 fwprintf(NULL, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, ""); 184 185 camsc = (struct aac_cam *)device_get_softc(dev); 186 sc = camsc->inf->aac_sc; 187 camsc->inf->aac_cam = NULL; 188 189 mtx_lock(&sc->aac_io_lock); 190 191 xpt_async(AC_LOST_DEVICE, camsc->path, NULL); 192 xpt_free_path(camsc->path); 193 xpt_bus_deregister(cam_sim_path(camsc->sim)); 194 cam_sim_free(camsc->sim, /*free_devq*/TRUE); 195 196 sc->cam_rescan_cb = NULL; 197 198 mtx_unlock(&sc->aac_io_lock); 199 200 return (0); 201 } 202 203 /* 204 * Register the driver as a CAM SIM 205 */ 206 static int 207 aac_cam_attach(device_t dev) 208 { 209 struct cam_devq *devq; 210 struct cam_sim *sim; 211 struct cam_path *path; 212 struct aac_cam *camsc; 213 struct aac_sim *inf; 214 215 fwprintf(NULL, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, ""); 216 217 camsc = (struct aac_cam *)device_get_softc(dev); 218 inf = (struct aac_sim *)device_get_ivars(dev); 219 camsc->inf = inf; 220 camsc->inf->aac_cam = camsc; 221 222 devq = cam_simq_alloc(inf->TargetsPerBus); 223 if (devq == NULL) 224 return (EIO); 225 226 sim = cam_sim_alloc(aac_cam_action, aac_cam_poll, "aacp", camsc, 227 device_get_unit(dev), &inf->aac_sc->aac_io_lock, 1, 1, devq); 228 if (sim == NULL) { 229 cam_simq_free(devq); 230 return (EIO); 231 } 232 233 /* Since every bus has it's own sim, every bus 'appears' as bus 0 */ 234 mtx_lock(&inf->aac_sc->aac_io_lock); 235 if (xpt_bus_register(sim, dev, 0) != CAM_SUCCESS) { 236 cam_sim_free(sim, TRUE); 237 mtx_unlock(&inf->aac_sc->aac_io_lock); 238 return (EIO); 239 } 240 241 if (xpt_create_path(&path, NULL, cam_sim_path(sim), 242 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 243 xpt_bus_deregister(cam_sim_path(sim)); 244 cam_sim_free(sim, TRUE); 245 mtx_unlock(&inf->aac_sc->aac_io_lock); 246 return (EIO); 247 } 248 inf->aac_sc->cam_rescan_cb = aac_cam_rescan; 249 mtx_unlock(&inf->aac_sc->aac_io_lock); 250 251 camsc->sim = sim; 252 camsc->path = path; 253 254 return (0); 255 } 256 257 static void 258 aac_cam_action(struct cam_sim *sim, union ccb *ccb) 259 { 260 struct aac_cam *camsc; 261 struct aac_softc *sc; 262 struct aac_srb *srb; 263 struct aac_fib *fib; 264 struct aac_command *cm; 265 266 camsc = (struct aac_cam *)cam_sim_softc(sim); 267 sc = camsc->inf->aac_sc; 268 fwprintf(sc, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, ""); 269 270 /* Synchronous ops, and ops that don't require communication with the 271 * controller */ 272 switch(ccb->ccb_h.func_code) { 273 case XPT_SCSI_IO: 274 case XPT_RESET_DEV: 275 /* These are handled down below */ 276 break; 277 case XPT_CALC_GEOMETRY: 278 { 279 struct ccb_calc_geometry *ccg; 280 u_int32_t size_mb; 281 u_int32_t secs_per_cylinder; 282 283 ccg = &ccb->ccg; 284 size_mb = ccg->volume_size / 285 ((1024L * 1024L) / ccg->block_size); 286 if (size_mb >= (2 * 1024)) { /* 2GB */ 287 ccg->heads = 255; 288 ccg->secs_per_track = 63; 289 } else if (size_mb >= (1 * 1024)) { /* 1GB */ 290 ccg->heads = 128; 291 ccg->secs_per_track = 32; 292 } else { 293 ccg->heads = 64; 294 ccg->secs_per_track = 32; 295 } 296 secs_per_cylinder = ccg->heads * ccg->secs_per_track; 297 ccg->cylinders = ccg->volume_size / secs_per_cylinder; 298 299 ccb->ccb_h.status = CAM_REQ_CMP; 300 xpt_done(ccb); 301 return; 302 } 303 case XPT_PATH_INQ: 304 { 305 struct ccb_pathinq *cpi = &ccb->cpi; 306 307 cpi->version_num = 1; 308 cpi->hba_inquiry = PI_WIDE_16; 309 cpi->target_sprt = 0; 310 311 /* 312 * Resetting via the passthrough or parallel bus scan 313 * causes problems. 314 */ 315 cpi->hba_misc = PIM_NOBUSRESET | PIM_SEQSCAN; 316 cpi->hba_eng_cnt = 0; 317 cpi->max_target = camsc->inf->TargetsPerBus; 318 cpi->max_lun = 8; /* Per the controller spec */ 319 cpi->initiator_id = camsc->inf->InitiatorBusId; 320 cpi->bus_id = camsc->inf->BusNumber; 321 cpi->base_transfer_speed = 3300; 322 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 323 strncpy(cpi->hba_vid, "Adaptec", HBA_IDLEN); 324 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 325 cpi->unit_number = cam_sim_unit(sim); 326 cpi->transport = XPORT_SPI; 327 cpi->transport_version = 2; 328 cpi->protocol = PROTO_SCSI; 329 cpi->protocol_version = SCSI_REV_2; 330 ccb->ccb_h.status = CAM_REQ_CMP; 331 xpt_done(ccb); 332 return; 333 } 334 case XPT_GET_TRAN_SETTINGS: 335 { 336 struct ccb_trans_settings_scsi *scsi = 337 &ccb->cts.proto_specific.scsi; 338 struct ccb_trans_settings_spi *spi = 339 &ccb->cts.xport_specific.spi; 340 ccb->cts.protocol = PROTO_SCSI; 341 ccb->cts.protocol_version = SCSI_REV_2; 342 ccb->cts.transport = XPORT_SPI; 343 ccb->cts.transport_version = 2; 344 if (ccb->ccb_h.target_lun != CAM_LUN_WILDCARD) { 345 scsi->valid = CTS_SCSI_VALID_TQ; 346 spi->valid |= CTS_SPI_VALID_DISC; 347 } else { 348 scsi->valid = 0; 349 } 350 ccb->ccb_h.status = CAM_REQ_CMP; 351 xpt_done(ccb); 352 return; 353 } 354 case XPT_SET_TRAN_SETTINGS: 355 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 356 xpt_done(ccb); 357 return; 358 case XPT_RESET_BUS: 359 if (!(sc->flags & AAC_FLAGS_CAM_NORESET)) { 360 ccb->ccb_h.status = aac_cam_reset_bus(sim, ccb); 361 } else { 362 ccb->ccb_h.status = CAM_REQ_CMP; 363 } 364 xpt_done(ccb); 365 return; 366 case XPT_ABORT: 367 ccb->ccb_h.status = aac_cam_abort_ccb(sim, ccb); 368 xpt_done(ccb); 369 return; 370 case XPT_TERM_IO: 371 ccb->ccb_h.status = aac_cam_term_io(sim, ccb); 372 xpt_done(ccb); 373 return; 374 default: 375 device_printf(sc->aac_dev, "Unsupported command 0x%x\n", 376 ccb->ccb_h.func_code); 377 ccb->ccb_h.status = CAM_PROVIDE_FAIL; 378 xpt_done(ccb); 379 return; 380 } 381 382 /* Async ops that require communcation with the controller */ 383 384 if (aac_alloc_command(sc, &cm)) { 385 struct aac_event *event; 386 387 xpt_freeze_simq(sim, 1); 388 ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 389 ccb->ccb_h.sim_priv.entries[0].ptr = camsc; 390 event = malloc(sizeof(struct aac_event), M_AACCAM, 391 M_NOWAIT | M_ZERO); 392 if (event == NULL) { 393 device_printf(sc->aac_dev, 394 "Warning, out of memory for event\n"); 395 return; 396 } 397 event->ev_callback = aac_cam_event; 398 event->ev_arg = ccb; 399 event->ev_type = AAC_EVENT_CMFREE; 400 aac_add_event(sc, event); 401 return; 402 } 403 404 fib = cm->cm_fib; 405 srb = (struct aac_srb *)&fib->data[0]; 406 cm->cm_datalen = 0; 407 408 switch (ccb->ccb_h.flags & CAM_DIR_MASK) { 409 case CAM_DIR_IN: 410 srb->flags = AAC_SRB_FLAGS_DATA_IN; 411 cm->cm_flags |= AAC_CMD_DATAIN; 412 break; 413 case CAM_DIR_OUT: 414 srb->flags = AAC_SRB_FLAGS_DATA_OUT; 415 cm->cm_flags |= AAC_CMD_DATAOUT; 416 break; 417 case CAM_DIR_NONE: 418 srb->flags = AAC_SRB_FLAGS_NO_DATA_XFER; 419 break; 420 default: 421 srb->flags = AAC_SRB_FLAGS_UNSPECIFIED_DIRECTION; 422 cm->cm_flags |= AAC_CMD_DATAIN | AAC_CMD_DATAOUT; 423 break; 424 } 425 426 switch(ccb->ccb_h.func_code) { 427 case XPT_SCSI_IO: 428 { 429 struct ccb_scsiio *csio = &ccb->csio; 430 431 srb->function = AAC_SRB_FUNC_EXECUTE_SCSI; 432 433 /* 434 * Copy the CDB into the SRB. It's only 6-16 bytes, 435 * so a copy is not too expensive. 436 */ 437 srb->cdb_len = csio->cdb_len; 438 if (ccb->ccb_h.flags & CAM_CDB_POINTER) 439 bcopy(csio->cdb_io.cdb_ptr, (u_int8_t *)&srb->cdb[0], 440 srb->cdb_len); 441 else 442 bcopy(csio->cdb_io.cdb_bytes, (u_int8_t *)&srb->cdb[0], 443 srb->cdb_len); 444 445 /* Set command */ 446 fib->Header.Command = (sc->flags & AAC_FLAGS_SG_64BIT) ? 447 ScsiPortCommandU64 : ScsiPortCommand; 448 449 /* Map the s/g list. XXX 32bit addresses only! */ 450 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 451 if ((ccb->ccb_h.flags & CAM_SCATTER_VALID) == 0) { 452 srb->data_len = csio->dxfer_len; 453 if (ccb->ccb_h.flags & CAM_DATA_PHYS) { 454 /* Send a 32bit command */ 455 fib->Header.Command = ScsiPortCommand; 456 srb->sg_map.SgCount = 1; 457 srb->sg_map.SgEntry[0].SgAddress = 458 (uint32_t)(uintptr_t)csio->data_ptr; 459 srb->sg_map.SgEntry[0].SgByteCount = 460 csio->dxfer_len; 461 } else { 462 /* 463 * Arrange things so that the S/G 464 * map will get set up automagically 465 */ 466 cm->cm_data = (void *)csio->data_ptr; 467 cm->cm_datalen = csio->dxfer_len; 468 cm->cm_sgtable = &srb->sg_map; 469 } 470 } else { 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 return; 518 } 519 520 static void 521 aac_cam_poll(struct cam_sim *sim) 522 { 523 /* 524 * Pinging the interrupt routine isn't very safe, nor is it 525 * really necessary. Do nothing. 526 */ 527 } 528 529 static void 530 aac_cam_complete(struct aac_command *cm) 531 { 532 union ccb *ccb; 533 struct aac_srb_response *srbr; 534 struct aac_softc *sc; 535 int sense_returned; 536 537 sc = cm->cm_sc; 538 fwprintf(sc, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, ""); 539 ccb = cm->cm_private; 540 srbr = (struct aac_srb_response *)&cm->cm_fib->data[0]; 541 542 if (srbr->fib_status != 0) { 543 device_printf(sc->aac_dev, "Passthru FIB failed!\n"); 544 ccb->ccb_h.status = CAM_REQ_ABORTED; 545 } else { 546 /* 547 * The SRB error codes just happen to match the CAM error 548 * codes. How convienient! 549 */ 550 ccb->ccb_h.status = srbr->srb_status; 551 552 /* Take care of SCSI_IO ops. */ 553 if (ccb->ccb_h.func_code == XPT_SCSI_IO) { 554 u_int8_t command, device; 555 556 ccb->csio.scsi_status = srbr->scsi_status; 557 558 /* Take care of autosense */ 559 if (srbr->sense_len) { 560 sense_returned = srbr->sense_len; 561 if (sense_returned < ccb->csio.sense_len) 562 ccb->csio.sense_resid = 563 ccb->csio.sense_len - 564 sense_returned; 565 else 566 ccb->csio.sense_resid = 0; 567 bzero(&ccb->csio.sense_data, 568 sizeof(struct scsi_sense_data)); 569 bcopy(&srbr->sense[0], &ccb->csio.sense_data, 570 min(ccb->csio.sense_len, sense_returned)); 571 ccb->ccb_h.status |= CAM_AUTOSNS_VALID; 572 // scsi_sense_print(&ccb->csio); 573 } 574 575 /* If this is an inquiry command, fake things out */ 576 if (ccb->ccb_h.flags & CAM_CDB_POINTER) 577 command = ccb->csio.cdb_io.cdb_ptr[0]; 578 else 579 command = ccb->csio.cdb_io.cdb_bytes[0]; 580 581 if (command == INQUIRY) { 582 if (ccb->ccb_h.status == CAM_REQ_CMP) { 583 device = ccb->csio.data_ptr[0] & 0x1f; 584 /* 585 * We want DASD and PROC devices to only be 586 * visible through the pass device. 587 */ 588 if ((device == T_DIRECT) || 589 (device == T_PROCESSOR) || 590 (sc->flags & AAC_FLAGS_CAM_PASSONLY)) 591 ccb->csio.data_ptr[0] = 592 ((ccb->csio.data_ptr[0] & 0xe0) | 593 T_NODEVICE); 594 } else if (ccb->ccb_h.status == CAM_SEL_TIMEOUT && 595 ccb->ccb_h.target_lun != 0) { 596 /* fix for INQUIRYs on Lun>0 */ 597 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 598 } 599 } 600 } 601 } 602 603 aac_release_command(cm); 604 xpt_done(ccb); 605 606 return; 607 } 608 609 static u_int32_t 610 aac_cam_reset_bus(struct cam_sim *sim, union ccb *ccb) 611 { 612 struct aac_fib *fib; 613 struct aac_softc *sc; 614 struct aac_cam *camsc; 615 struct aac_vmioctl *vmi; 616 struct aac_resetbus *rbc; 617 int e; 618 619 camsc = (struct aac_cam *)cam_sim_softc(sim); 620 sc = camsc->inf->aac_sc; 621 622 if (sc == NULL) { 623 printf("aac: Null sc?\n"); 624 return (CAM_REQ_ABORTED); 625 } 626 627 aac_alloc_sync_fib(sc, &fib); 628 629 vmi = (struct aac_vmioctl *)&fib->data[0]; 630 bzero(vmi, sizeof(struct aac_vmioctl)); 631 632 vmi->Command = VM_Ioctl; 633 vmi->ObjType = FT_DRIVE; 634 vmi->MethId = sc->scsi_method_id; 635 vmi->ObjId = 0; 636 vmi->IoctlCmd = ResetBus; 637 638 rbc = (struct aac_resetbus *)&vmi->IoctlBuf[0]; 639 rbc->BusNumber = camsc->inf->BusNumber; 640 641 e = aac_sync_fib(sc, ContainerCommand, 0, fib, 642 sizeof(struct aac_vmioctl)); 643 if (e) { 644 device_printf(sc->aac_dev,"Error %d sending ResetBus command\n", 645 e); 646 aac_release_sync_fib(sc); 647 return (CAM_REQ_ABORTED); 648 } 649 650 aac_release_sync_fib(sc); 651 return (CAM_REQ_CMP); 652 } 653 654 static u_int32_t 655 aac_cam_abort_ccb(struct cam_sim *sim, union ccb *ccb) 656 { 657 return (CAM_UA_ABORT); 658 } 659 660 static u_int32_t 661 aac_cam_term_io(struct cam_sim *sim, union ccb *ccb) 662 { 663 return (CAM_UA_TERMIO); 664 } 665
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