sys/dev/aac/aac_cam.c

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