sys/dev/aac/aac_cam.c

   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 retreive 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 convienient!
 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 }