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 * $FreeBSD: src/sys/dev/aac/aac_cam.c,v 1.42 2011/11/07 06:44:47 ed Exp $ 27 */ 28 29 /* 30 * CAM front-end for communicating with non-DASD devices 31 */ 32 33 #include "opt_aac.h" 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/kernel.h> 38 #include <sys/lock.h> 39 #include <sys/malloc.h> 40 #include <sys/module.h> 41 42 #include <bus/cam/cam.h> 43 #include <bus/cam/cam_ccb.h> 44 #include <bus/cam/cam_debug.h> 45 #include <bus/cam/cam_periph.h> 46 #include <bus/cam/cam_sim.h> 47 #include <bus/cam/cam_xpt_periph.h> 48 #include <bus/cam/cam_xpt_sim.h> 49 #include <bus/cam/scsi/scsi_all.h> 50 #include <bus/cam/scsi/scsi_message.h> 51 52 #include <sys/bus.h> 53 #include <sys/conf.h> 54 #include <sys/disk.h> 55 56 #include <machine/md_var.h> 57 #include <sys/rman.h> 58 59 #include <vm/vm.h> 60 #include <vm/pmap.h> 61 62 #include <dev/raid/aac/aacreg.h> 63 #include <dev/raid/aac/aac_ioctl.h> 64 #include <dev/raid/aac/aacvar.h> 65 66 struct aac_cam { 67 device_t dev; 68 struct aac_sim *inf; 69 struct cam_sim *sim; 70 struct cam_path *path; 71 }; 72 73 static int aac_cam_probe(device_t dev); 74 static int aac_cam_attach(device_t dev); 75 static int aac_cam_detach(device_t dev); 76 static void aac_cam_action(struct cam_sim *, union ccb *); 77 static void aac_cam_poll(struct cam_sim *); 78 static void aac_cam_complete(struct aac_command *); 79 static void aac_cam_rescan(struct aac_softc *sc, uint32_t channel, 80 uint32_t target_id); 81 static void aac_bus_scan_cb(struct cam_periph *periph, union ccb *ccb); 82 83 static u_int32_t aac_cam_reset_bus(struct cam_sim *, union ccb *); 84 static u_int32_t aac_cam_abort_ccb(struct cam_sim *, union ccb *); 85 static u_int32_t aac_cam_term_io(struct cam_sim *, union ccb *); 86 87 static devclass_t aac_pass_devclass; 88 89 static device_method_t aac_pass_methods[] = { 90 DEVMETHOD(device_probe, aac_cam_probe), 91 DEVMETHOD(device_attach, aac_cam_attach), 92 DEVMETHOD(device_detach, aac_cam_detach), 93 DEVMETHOD_END 94 }; 95 96 static driver_t aac_pass_driver = { 97 "aacp", 98 aac_pass_methods, 99 sizeof(struct aac_cam) 100 }; 101 102 DRIVER_MODULE(aacp, aac, aac_pass_driver, aac_pass_devclass, NULL, NULL); 103 MODULE_DEPEND(aacp, cam, 1, 1, 1); 104 105 static MALLOC_DEFINE(M_AACCAM, "aaccam", "AAC CAM info"); 106 107 static void 108 aac_cam_rescan(struct aac_softc *sc, uint32_t channel, uint32_t target_id) 109 { 110 union ccb *ccb; 111 struct aac_sim *sim; 112 struct aac_cam *camsc; 113 114 if (target_id == AAC_CAM_TARGET_WILDCARD) 115 target_id = CAM_TARGET_WILDCARD; 116 117 TAILQ_FOREACH(sim, &sc->aac_sim_tqh, sim_link) { 118 camsc = sim->aac_cam; 119 if (camsc == NULL || camsc->inf == NULL || 120 camsc->inf->BusNumber != channel) 121 continue; 122 123 ccb = xpt_alloc_ccb(); 124 if (ccb == NULL) { 125 device_printf(sc->aac_dev, 126 "Cannot allocate ccb for bus rescan.\n"); 127 return; 128 } 129 130 if (xpt_create_path(&ccb->ccb_h.path, xpt_periph, 131 cam_sim_path(camsc->sim), 132 target_id, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 133 xpt_free_ccb(ccb); 134 device_printf(sc->aac_dev, 135 "Cannot create path for bus rescan.\n"); 136 return; 137 } 138 xpt_setup_ccb(&ccb->ccb_h, ccb->ccb_h.path, 5/*priority (low)*/); 139 ccb->ccb_h.func_code = XPT_SCAN_BUS; 140 ccb->ccb_h.cbfcnp = aac_bus_scan_cb; 141 ccb->crcn.flags = CAM_FLAG_NONE; 142 xpt_action(ccb); 143 break; 144 } 145 } 146 147 static void 148 aac_bus_scan_cb(struct cam_periph *periph, union ccb *ccb) 149 { 150 if (ccb->ccb_h.status != CAM_REQ_CMP) 151 kprintf("cam_scan_callback: failure status = %x\n", 152 ccb->ccb_h.status); 153 154 xpt_free_path(ccb->ccb_h.path); 155 xpt_free_ccb(ccb); 156 } 157 158 static void 159 aac_cam_event(struct aac_softc *sc, struct aac_event *event, void *arg) 160 { 161 union ccb *ccb; 162 struct aac_cam *camsc; 163 164 switch (event->ev_type) { 165 case AAC_EVENT_CMFREE: 166 ccb = arg; 167 camsc = ccb->ccb_h.sim_priv.entries[0].ptr; 168 kfree(event, M_AACCAM); 169 xpt_release_simq(camsc->sim, 1); 170 ccb->ccb_h.status = CAM_REQUEUE_REQ; 171 xpt_done(ccb); 172 break; 173 default: 174 device_printf(sc->aac_dev, "unknown event %d in aac_cam\n", 175 event->ev_type); 176 break; 177 } 178 179 return; 180 } 181 182 static int 183 aac_cam_probe(device_t dev) 184 { 185 fwprintf(NULL, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, ""); 186 187 return (0); 188 } 189 190 static int 191 aac_cam_detach(device_t dev) 192 { 193 struct aac_softc *sc; 194 struct aac_cam *camsc; 195 fwprintf(NULL, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, ""); 196 197 camsc = (struct aac_cam *)device_get_softc(dev); 198 sc = camsc->inf->aac_sc; 199 camsc->inf->aac_cam = NULL; 200 201 lockmgr(&sc->aac_io_lock, LK_EXCLUSIVE); 202 203 xpt_async(AC_LOST_DEVICE, camsc->path, NULL); 204 xpt_free_path(camsc->path); 205 xpt_bus_deregister(cam_sim_path(camsc->sim)); 206 cam_sim_free(camsc->sim); 207 208 sc->cam_rescan_cb = NULL; 209 210 lockmgr(&sc->aac_io_lock, LK_RELEASE); 211 212 return (0); 213 } 214 215 /* 216 * Register the driver as a CAM SIM 217 */ 218 static int 219 aac_cam_attach(device_t dev) 220 { 221 struct cam_devq *devq; 222 struct cam_sim *sim; 223 struct cam_path *path; 224 struct aac_cam *camsc; 225 struct aac_sim *inf; 226 227 fwprintf(NULL, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, ""); 228 229 camsc = (struct aac_cam *)device_get_softc(dev); 230 inf = (struct aac_sim *)device_get_ivars(dev); 231 camsc->inf = inf; 232 camsc->inf->aac_cam = camsc; 233 234 devq = cam_simq_alloc(inf->TargetsPerBus); 235 if (devq == NULL) 236 return (EIO); 237 238 sim = cam_sim_alloc(aac_cam_action, aac_cam_poll, "aacp", camsc, 239 device_get_unit(dev), &inf->aac_sc->aac_io_lock, 1, 1, devq); 240 cam_simq_release(devq); 241 if (sim == NULL) 242 return (EIO); 243 244 /* Since every bus has it's own sim, every bus 'appears' as bus 0 */ 245 lockmgr(&inf->aac_sc->aac_io_lock, LK_EXCLUSIVE); 246 if (xpt_bus_register(sim, 0) != CAM_SUCCESS) { 247 cam_sim_free(sim); 248 lockmgr(&inf->aac_sc->aac_io_lock, LK_RELEASE); 249 return (EIO); 250 } 251 252 if (xpt_create_path(&path, NULL, cam_sim_path(sim), 253 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 254 xpt_bus_deregister(cam_sim_path(sim)); 255 cam_sim_free(sim); 256 lockmgr(&inf->aac_sc->aac_io_lock, LK_RELEASE); 257 return (EIO); 258 } 259 inf->aac_sc->cam_rescan_cb = aac_cam_rescan; 260 lockmgr(&inf->aac_sc->aac_io_lock, LK_RELEASE); 261 262 camsc->sim = sim; 263 camsc->path = path; 264 265 return (0); 266 } 267 268 static void 269 aac_cam_action(struct cam_sim *sim, union ccb *ccb) 270 { 271 struct aac_cam *camsc; 272 struct aac_softc *sc; 273 struct aac_srb *srb; 274 struct aac_fib *fib; 275 struct aac_command *cm; 276 277 camsc = (struct aac_cam *)cam_sim_softc(sim); 278 sc = camsc->inf->aac_sc; 279 fwprintf(sc, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, ""); 280 281 /* Synchronous ops, and ops that don't require communication with the 282 * controller */ 283 switch(ccb->ccb_h.func_code) { 284 case XPT_SCSI_IO: 285 case XPT_RESET_DEV: 286 /* These are handled down below */ 287 break; 288 case XPT_CALC_GEOMETRY: 289 { 290 struct ccb_calc_geometry *ccg; 291 u_int32_t size_mb; 292 u_int32_t secs_per_cylinder; 293 294 ccg = &ccb->ccg; 295 size_mb = ccg->volume_size / 296 ((1024L * 1024L) / ccg->block_size); 297 if (size_mb >= (2 * 1024)) { /* 2GB */ 298 ccg->heads = 255; 299 ccg->secs_per_track = 63; 300 } else if (size_mb >= (1 * 1024)) { /* 1GB */ 301 ccg->heads = 128; 302 ccg->secs_per_track = 32; 303 } else { 304 ccg->heads = 64; 305 ccg->secs_per_track = 32; 306 } 307 secs_per_cylinder = ccg->heads * ccg->secs_per_track; 308 ccg->cylinders = ccg->volume_size / secs_per_cylinder; 309 310 ccb->ccb_h.status = CAM_REQ_CMP; 311 xpt_done(ccb); 312 return; 313 } 314 case XPT_PATH_INQ: 315 { 316 struct ccb_pathinq *cpi = &ccb->cpi; 317 318 cpi->version_num = 1; 319 cpi->hba_inquiry = PI_WIDE_16; 320 cpi->target_sprt = 0; 321 322 /* 323 * Resetting via the passthrough or parallel bus scan 324 * causes problems. 325 */ 326 cpi->hba_misc = PIM_NOBUSRESET | PIM_SEQSCAN; 327 cpi->hba_eng_cnt = 0; 328 cpi->max_target = camsc->inf->TargetsPerBus; 329 cpi->max_lun = 8; /* Per the controller spec */ 330 cpi->initiator_id = camsc->inf->InitiatorBusId; 331 cpi->bus_id = camsc->inf->BusNumber; 332 cpi->base_transfer_speed = 3300; 333 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 334 strncpy(cpi->hba_vid, "Adaptec", HBA_IDLEN); 335 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 336 cpi->unit_number = cam_sim_unit(sim); 337 cpi->transport = XPORT_SPI; 338 cpi->transport_version = 2; 339 cpi->protocol = PROTO_SCSI; 340 cpi->protocol_version = SCSI_REV_2; 341 ccb->ccb_h.status = CAM_REQ_CMP; 342 xpt_done(ccb); 343 return; 344 } 345 case XPT_GET_TRAN_SETTINGS: 346 { 347 struct ccb_trans_settings_scsi *scsi = 348 &ccb->cts.proto_specific.scsi; 349 struct ccb_trans_settings_spi *spi = 350 &ccb->cts.xport_specific.spi; 351 ccb->cts.protocol = PROTO_SCSI; 352 ccb->cts.protocol_version = SCSI_REV_2; 353 ccb->cts.transport = XPORT_SPI; 354 ccb->cts.transport_version = 2; 355 if (ccb->ccb_h.target_lun != CAM_LUN_WILDCARD) { 356 scsi->valid = CTS_SCSI_VALID_TQ; 357 spi->valid |= CTS_SPI_VALID_DISC; 358 } else { 359 scsi->valid = 0; 360 } 361 ccb->ccb_h.status = CAM_REQ_CMP; 362 xpt_done(ccb); 363 return; 364 } 365 case XPT_SET_TRAN_SETTINGS: 366 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 367 xpt_done(ccb); 368 return; 369 case XPT_RESET_BUS: 370 if (!(sc->flags & AAC_FLAGS_CAM_NORESET)) { 371 ccb->ccb_h.status = aac_cam_reset_bus(sim, ccb); 372 } else { 373 ccb->ccb_h.status = CAM_REQ_CMP; 374 } 375 xpt_done(ccb); 376 return; 377 case XPT_ABORT: 378 ccb->ccb_h.status = aac_cam_abort_ccb(sim, ccb); 379 xpt_done(ccb); 380 return; 381 case XPT_TERM_IO: 382 ccb->ccb_h.status = aac_cam_term_io(sim, ccb); 383 xpt_done(ccb); 384 return; 385 default: 386 device_printf(sc->aac_dev, "Unsupported command 0x%x\n", 387 ccb->ccb_h.func_code); 388 ccb->ccb_h.status = CAM_PROVIDE_FAIL; 389 xpt_done(ccb); 390 return; 391 } 392 393 /* Async ops that require communcation with the controller */ 394 395 if (aac_alloc_command(sc, &cm)) { 396 struct aac_event *event; 397 398 xpt_freeze_simq(sim, 1); 399 ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 400 ccb->ccb_h.sim_priv.entries[0].ptr = camsc; 401 event = kmalloc(sizeof(struct aac_event), M_AACCAM, 402 M_INTWAIT | M_ZERO); 403 event->ev_callback = aac_cam_event; 404 event->ev_arg = ccb; 405 event->ev_type = AAC_EVENT_CMFREE; 406 aac_add_event(sc, event); 407 return; 408 } 409 410 fib = cm->cm_fib; 411 srb = (struct aac_srb *)&fib->data[0]; 412 cm->cm_datalen = 0; 413 414 switch (ccb->ccb_h.flags & CAM_DIR_MASK) { 415 case CAM_DIR_IN: 416 srb->flags = AAC_SRB_FLAGS_DATA_IN; 417 cm->cm_flags |= AAC_CMD_DATAIN; 418 break; 419 case CAM_DIR_OUT: 420 srb->flags = AAC_SRB_FLAGS_DATA_OUT; 421 cm->cm_flags |= AAC_CMD_DATAOUT; 422 break; 423 case CAM_DIR_NONE: 424 srb->flags = AAC_SRB_FLAGS_NO_DATA_XFER; 425 break; 426 default: 427 srb->flags = AAC_SRB_FLAGS_UNSPECIFIED_DIRECTION; 428 cm->cm_flags |= AAC_CMD_DATAIN | AAC_CMD_DATAOUT; 429 break; 430 } 431 432 switch(ccb->ccb_h.func_code) { 433 case XPT_SCSI_IO: 434 { 435 struct ccb_scsiio *csio = &ccb->csio; 436 437 srb->function = AAC_SRB_FUNC_EXECUTE_SCSI; 438 439 /* 440 * Copy the CDB into the SRB. It's only 6-16 bytes, 441 * so a copy is not too expensive. 442 */ 443 srb->cdb_len = csio->cdb_len; 444 if (ccb->ccb_h.flags & CAM_CDB_POINTER) 445 bcopy(csio->cdb_io.cdb_ptr, (u_int8_t *)&srb->cdb[0], 446 srb->cdb_len); 447 else 448 bcopy(csio->cdb_io.cdb_bytes, (u_int8_t *)&srb->cdb[0], 449 srb->cdb_len); 450 451 /* Set command */ 452 fib->Header.Command = (sc->flags & AAC_FLAGS_SG_64BIT) ? 453 ScsiPortCommandU64 : ScsiPortCommand; 454 455 /* Map the s/g list. XXX 32bit addresses only! */ 456 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 457 if ((ccb->ccb_h.flags & CAM_SCATTER_VALID) == 0) { 458 srb->data_len = csio->dxfer_len; 459 if (ccb->ccb_h.flags & CAM_DATA_PHYS) { 460 /* Send a 32bit command */ 461 fib->Header.Command = ScsiPortCommand; 462 srb->sg_map.SgCount = 1; 463 srb->sg_map.SgEntry[0].SgAddress = 464 (uint32_t)(uintptr_t)csio->data_ptr; 465 srb->sg_map.SgEntry[0].SgByteCount = 466 csio->dxfer_len; 467 } else { 468 /* 469 * Arrange things so that the S/G 470 * map will get set up automagically 471 */ 472 cm->cm_data = (void *)csio->data_ptr; 473 cm->cm_datalen = csio->dxfer_len; 474 cm->cm_sgtable = &srb->sg_map; 475 } 476 } else { 477 /* XXX Need to handle multiple s/g elements */ 478 panic("aac_cam: multiple s/g elements"); 479 } 480 } else { 481 srb->sg_map.SgCount = 0; 482 srb->sg_map.SgEntry[0].SgByteCount = 0; 483 srb->data_len = 0; 484 } 485 486 break; 487 } 488 case XPT_RESET_DEV: 489 if (!(sc->flags & AAC_FLAGS_CAM_NORESET)) { 490 srb->function = AAC_SRB_FUNC_RESET_DEVICE; 491 break; 492 } else { 493 ccb->ccb_h.status = CAM_REQ_CMP; 494 xpt_done(ccb); 495 return; 496 } 497 default: 498 break; 499 } 500 501 srb->bus = camsc->inf->BusNumber; /* Bus number relative to the card */ 502 srb->target = ccb->ccb_h.target_id; 503 srb->lun = ccb->ccb_h.target_lun; 504 srb->timeout = ccb->ccb_h.timeout; /* XXX */ 505 srb->retry_limit = 0; 506 507 cm->cm_complete = aac_cam_complete; 508 cm->cm_private = ccb; 509 cm->cm_timestamp = time_uptime; 510 511 fib->Header.XferState = 512 AAC_FIBSTATE_HOSTOWNED | 513 AAC_FIBSTATE_INITIALISED | 514 AAC_FIBSTATE_FROMHOST | 515 AAC_FIBSTATE_REXPECTED | 516 AAC_FIBSTATE_NORM; 517 fib->Header.Size = sizeof(struct aac_fib_header) + 518 sizeof(struct aac_srb); 519 520 aac_enqueue_ready(cm); 521 aac_startio(cm->cm_sc); 522 523 return; 524 } 525 526 static void 527 aac_cam_poll(struct cam_sim *sim) 528 { 529 /* 530 * Pinging the interrupt routine isn't very safe, nor is it 531 * really necessary. Do nothing. 532 */ 533 } 534 535 static void 536 aac_cam_complete(struct aac_command *cm) 537 { 538 union ccb *ccb; 539 struct aac_srb_response *srbr; 540 struct aac_softc *sc; 541 int sense_returned; 542 543 sc = cm->cm_sc; 544 fwprintf(sc, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, ""); 545 ccb = cm->cm_private; 546 srbr = (struct aac_srb_response *)&cm->cm_fib->data[0]; 547 548 if (srbr->fib_status != 0) { 549 device_printf(sc->aac_dev, "Passthru FIB failed!\n"); 550 ccb->ccb_h.status = CAM_REQ_ABORTED; 551 } else { 552 /* 553 * The SRB error codes just happen to match the CAM error 554 * codes. How convienient! 555 */ 556 ccb->ccb_h.status = srbr->srb_status; 557 558 /* Take care of SCSI_IO ops. */ 559 if (ccb->ccb_h.func_code == XPT_SCSI_IO) { 560 u_int8_t command, device; 561 562 ccb->csio.scsi_status = srbr->scsi_status; 563 564 /* Take care of autosense */ 565 if (srbr->sense_len) { 566 sense_returned = srbr->sense_len; 567 if (sense_returned < ccb->csio.sense_len) 568 ccb->csio.sense_resid = 569 ccb->csio.sense_len - 570 sense_returned; 571 else 572 ccb->csio.sense_resid = 0; 573 bzero(&ccb->csio.sense_data, 574 sizeof(struct scsi_sense_data)); 575 bcopy(&srbr->sense[0], &ccb->csio.sense_data, 576 min(ccb->csio.sense_len, sense_returned)); 577 ccb->ccb_h.status |= CAM_AUTOSNS_VALID; 578 // scsi_sense_print(&ccb->csio); 579 } 580 581 /* If this is an inquiry command, fake things out */ 582 if (ccb->ccb_h.flags & CAM_CDB_POINTER) 583 command = ccb->csio.cdb_io.cdb_ptr[0]; 584 else 585 command = ccb->csio.cdb_io.cdb_bytes[0]; 586 587 if (command == INQUIRY) { 588 if (ccb->ccb_h.status == CAM_REQ_CMP) { 589 device = ccb->csio.data_ptr[0] & 0x1f; 590 /* 591 * We want DASD and PROC devices to only be 592 * visible through the pass device. 593 */ 594 if ((device == T_DIRECT) || 595 (device == T_PROCESSOR) || 596 (sc->flags & AAC_FLAGS_CAM_PASSONLY)) 597 ccb->csio.data_ptr[0] = 598 ((ccb->csio.data_ptr[0] & 0xe0) | 599 T_NODEVICE); 600 } else if (ccb->ccb_h.status == CAM_SEL_TIMEOUT && 601 ccb->ccb_h.target_lun != 0) { 602 /* fix for INQUIRYs on Lun>0 */ 603 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 604 } 605 } 606 } 607 } 608 609 aac_release_command(cm); 610 xpt_done(ccb); 611 612 return; 613 } 614 615 static u_int32_t 616 aac_cam_reset_bus(struct cam_sim *sim, union ccb *ccb) 617 { 618 struct aac_fib *fib; 619 struct aac_softc *sc; 620 struct aac_cam *camsc; 621 struct aac_vmioctl *vmi; 622 struct aac_resetbus *rbc; 623 int e; 624 625 camsc = (struct aac_cam *)cam_sim_softc(sim); 626 sc = camsc->inf->aac_sc; 627 628 if (sc == NULL) { 629 kprintf("aac: Null sc?\n"); 630 return (CAM_REQ_ABORTED); 631 } 632 633 aac_alloc_sync_fib(sc, &fib); 634 635 vmi = (struct aac_vmioctl *)&fib->data[0]; 636 bzero(vmi, sizeof(struct aac_vmioctl)); 637 638 vmi->Command = VM_Ioctl; 639 vmi->ObjType = FT_DRIVE; 640 vmi->MethId = sc->scsi_method_id; 641 vmi->ObjId = 0; 642 vmi->IoctlCmd = ResetBus; 643 644 rbc = (struct aac_resetbus *)&vmi->IoctlBuf[0]; 645 rbc->BusNumber = camsc->inf->BusNumber; 646 647 e = aac_sync_fib(sc, ContainerCommand, 0, fib, 648 sizeof(struct aac_vmioctl)); 649 if (e) { 650 device_printf(sc->aac_dev,"Error %d sending ResetBus command\n", 651 e); 652 aac_release_sync_fib(sc); 653 return (CAM_REQ_ABORTED); 654 } 655 656 aac_release_sync_fib(sc); 657 return (CAM_REQ_CMP); 658 } 659 660 static u_int32_t 661 aac_cam_abort_ccb(struct cam_sim *sim, union ccb *ccb) 662 { 663 return (CAM_UA_ABORT); 664 } 665 666 static u_int32_t 667 aac_cam_term_io(struct cam_sim *sim, union ccb *ccb) 668 { 669 return (CAM_UA_TERMIO); 670 } 671