sys/dev/aac/aac_cam.c

   1 /*-
   2  * SPDX-License-Identifier: BSD-2-Clause
   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 /*
  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 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, 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_nowait();
 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, NULL,
 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_rescan(ccb);
 139                 break;
 140         }
 141 }
 142
 143 static void
 144 aac_cam_event(struct aac_softc *sc, struct aac_event *event, void *arg)
 145 {
 146         union ccb *ccb;
 147         struct aac_cam *camsc;
 148
 149         switch (event->ev_type) {
 150         case AAC_EVENT_CMFREE:
 151                 ccb = arg;
 152                 camsc = ccb->ccb_h.sim_priv.entries[0].ptr;
 153                 free(event, M_AACCAM);
 154                 xpt_release_simq(camsc->sim, 1);
 155                 ccb->ccb_h.status = CAM_REQUEUE_REQ;
 156                 xpt_done(ccb);
 157                 break;
 158         default:
 159                 device_printf(sc->aac_dev, "unknown event %d in aac_cam\n",
 160                     event->ev_type);
 161                 break;
 162         }
 163 }
 164
 165 static int
 166 aac_cam_probe(device_t dev)
 167 {
 168         fwprintf(NULL, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, "");
 169
 170         return (0);
 171 }
 172
 173 static int
 174 aac_cam_detach(device_t dev)
 175 {
 176         struct aac_softc *sc;
 177         struct aac_cam *camsc;
 178         fwprintf(NULL, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, "");
 179
 180         camsc = (struct aac_cam *)device_get_softc(dev);
 181         sc = camsc->inf->aac_sc;
 182         camsc->inf->aac_cam = NULL;
 183
 184         mtx_lock(&sc->aac_io_lock);
 185
 186         xpt_async(AC_LOST_DEVICE, camsc->path, NULL);
 187         xpt_free_path(camsc->path);
 188         xpt_bus_deregister(cam_sim_path(camsc->sim));
 189         cam_sim_free(camsc->sim, /*free_devq*/TRUE);
 190
 191         sc->cam_rescan_cb = NULL;
 192
 193         mtx_unlock(&sc->aac_io_lock);
 194
 195         return (0);
 196 }
 197
 198 /*
 199  * Register the driver as a CAM SIM
 200  */
 201 static int
 202 aac_cam_attach(device_t dev)
 203 {
 204         struct cam_devq *devq;
 205         struct cam_sim *sim;
 206         struct cam_path *path;
 207         struct aac_cam *camsc;
 208         struct aac_sim *inf;
 209
 210         fwprintf(NULL, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, "");
 211
 212         camsc = (struct aac_cam *)device_get_softc(dev);
 213         inf = (struct aac_sim *)device_get_ivars(dev);
 214         camsc->inf = inf;
 215         camsc->inf->aac_cam = camsc;
 216
 217         devq = cam_simq_alloc(inf->TargetsPerBus);
 218         if (devq == NULL)
 219                 return (EIO);
 220
 221         sim = cam_sim_alloc(aac_cam_action, aac_cam_poll, "aacp", camsc,
 222             device_get_unit(dev), &inf->aac_sc->aac_io_lock, 1, 1, devq);
 223         if (sim == NULL) {
 224                 cam_simq_free(devq);
 225                 return (EIO);
 226         }
 227
 228         /* Since every bus has it's own sim, every bus 'appears' as bus 0 */
 229         mtx_lock(&inf->aac_sc->aac_io_lock);
 230         if (xpt_bus_register(sim, dev, 0) != CAM_SUCCESS) {
 231                 cam_sim_free(sim, TRUE);
 232                 mtx_unlock(&inf->aac_sc->aac_io_lock);
 233                 return (EIO);
 234         }
 235
 236         if (xpt_create_path(&path, NULL, cam_sim_path(sim),
 237             CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
 238                 xpt_bus_deregister(cam_sim_path(sim));
 239                 cam_sim_free(sim, TRUE);
 240                 mtx_unlock(&inf->aac_sc->aac_io_lock);
 241                 return (EIO);
 242         }
 243         inf->aac_sc->cam_rescan_cb = aac_cam_rescan;
 244         mtx_unlock(&inf->aac_sc->aac_io_lock);
 245
 246         camsc->sim = sim;
 247         camsc->path = path;
 248
 249         return (0);
 250 }
 251
 252 static void
 253 aac_cam_action(struct cam_sim *sim, union ccb *ccb)
 254 {
 255         struct  aac_cam *camsc;
 256         struct  aac_softc *sc;
 257         struct  aac_srb *srb;
 258         struct  aac_fib *fib;
 259         struct  aac_command *cm;
 260
 261         camsc = (struct aac_cam *)cam_sim_softc(sim);
 262         sc = camsc->inf->aac_sc;
 263         fwprintf(sc, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, "");
 264
 265         /* Synchronous ops, and ops that don't require communication with the
 266          * controller */
 267         switch(ccb->ccb_h.func_code) {
 268         case XPT_SCSI_IO:
 269         case XPT_RESET_DEV:
 270                 /* These are handled down below */
 271                 break;
 272         case XPT_CALC_GEOMETRY:
 273         {
 274                 struct ccb_calc_geometry *ccg;
 275                 u_int32_t size_mb;
 276                 u_int32_t secs_per_cylinder;
 277
 278                 ccg = &ccb->ccg;
 279                 size_mb = ccg->volume_size /
 280                     ((1024L * 1024L) / ccg->block_size);
 281                 if (size_mb >= (2 * 1024)) {            /* 2GB */
 282                         ccg->heads = 255;
 283                         ccg->secs_per_track = 63;
 284                 } else if (size_mb >= (1 * 1024)) {     /* 1GB */
 285                         ccg->heads = 128;
 286                         ccg->secs_per_track = 32;
 287                 } else {
 288                         ccg->heads = 64;
 289                         ccg->secs_per_track = 32;
 290                 }
 291                 secs_per_cylinder = ccg->heads * ccg->secs_per_track;
 292                 ccg->cylinders = ccg->volume_size / secs_per_cylinder;
 293
 294                 ccb->ccb_h.status = CAM_REQ_CMP;
 295                 xpt_done(ccb);
 296                 return;
 297         }
 298         case XPT_PATH_INQ:
 299         {
 300                 struct ccb_pathinq *cpi = &ccb->cpi;
 301
 302                 cpi->version_num = 1;
 303                 cpi->hba_inquiry = PI_WIDE_16;
 304                 cpi->target_sprt = 0;
 305
 306                 /*
 307                  * Resetting via the passthrough or parallel bus scan
 308                  * causes problems.
 309                  */
 310                 cpi->hba_misc = PIM_NOBUSRESET | PIM_SEQSCAN;
 311                 cpi->hba_eng_cnt = 0;
 312                 cpi->max_target = camsc->inf->TargetsPerBus;
 313                 cpi->max_lun = 8;       /* Per the controller spec */
 314                 cpi->initiator_id = camsc->inf->InitiatorBusId;
 315                 cpi->bus_id = camsc->inf->BusNumber;
 316                 cpi->base_transfer_speed = 3300;
 317                 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
 318                 strlcpy(cpi->hba_vid, "Adaptec", HBA_IDLEN);
 319                 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
 320                 cpi->unit_number = cam_sim_unit(sim);
 321                 cpi->transport = XPORT_SPI;
 322                 cpi->transport_version = 2;
 323                 cpi->protocol = PROTO_SCSI;
 324                 cpi->protocol_version = SCSI_REV_2;
 325                 ccb->ccb_h.status = CAM_REQ_CMP;
 326                 xpt_done(ccb);
 327                 return;
 328         }
 329         case XPT_GET_TRAN_SETTINGS:
 330         {
 331                 struct ccb_trans_settings_scsi *scsi =
 332                         &ccb->cts.proto_specific.scsi;
 333                 struct ccb_trans_settings_spi *spi =
 334                         &ccb->cts.xport_specific.spi;
 335                 ccb->cts.protocol = PROTO_SCSI;
 336                 ccb->cts.protocol_version = SCSI_REV_2;
 337                 ccb->cts.transport = XPORT_SPI;
 338                 ccb->cts.transport_version = 2;
 339                 if (ccb->ccb_h.target_lun != CAM_LUN_WILDCARD) {
 340                         scsi->valid = CTS_SCSI_VALID_TQ;
 341                         spi->valid |= CTS_SPI_VALID_DISC;
 342                 } else {
 343                         scsi->valid = 0;
 344                 }
 345                 ccb->ccb_h.status = CAM_REQ_CMP;
 346                 xpt_done(ccb);
 347                 return;
 348         }
 349         case XPT_SET_TRAN_SETTINGS:
 350                 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
 351                 xpt_done(ccb);
 352                 return;
 353         case XPT_RESET_BUS:
 354                 if (!(sc->flags & AAC_FLAGS_CAM_NORESET)) {
 355                         ccb->ccb_h.status = aac_cam_reset_bus(sim, ccb);
 356                 } else {
 357                         ccb->ccb_h.status = CAM_REQ_CMP;
 358                 }
 359                 xpt_done(ccb);
 360                 return;
 361         case XPT_ABORT:
 362                 ccb->ccb_h.status = aac_cam_abort_ccb(sim, ccb);
 363                 xpt_done(ccb);
 364                 return;
 365         case XPT_TERM_IO:
 366                 ccb->ccb_h.status = aac_cam_term_io(sim, ccb);
 367                 xpt_done(ccb);
 368                 return;
 369         default:
 370                 device_printf(sc->aac_dev, "Unsupported command 0x%x\n",
 371                     ccb->ccb_h.func_code);
 372                 ccb->ccb_h.status = CAM_PROVIDE_FAIL;
 373                 xpt_done(ccb);
 374                 return;
 375         }
 376
 377         /* Async ops that require communcation with the controller */
 378
 379         if (aac_alloc_command(sc, &cm)) {
 380                 struct aac_event *event;
 381
 382                 xpt_freeze_simq(sim, 1);
 383                 ccb->ccb_h.status = CAM_RESRC_UNAVAIL;
 384                 ccb->ccb_h.sim_priv.entries[0].ptr = camsc;
 385                 event = malloc(sizeof(struct aac_event), M_AACCAM,
 386                     M_NOWAIT | M_ZERO);
 387                 if (event == NULL) {
 388                         device_printf(sc->aac_dev,
 389                             "Warning, out of memory for event\n");
 390                         return;
 391                 }
 392                 event->ev_callback = aac_cam_event;
 393                 event->ev_arg = ccb;
 394                 event->ev_type = AAC_EVENT_CMFREE;
 395                 aac_add_event(sc, event);
 396                 return;
 397         }
 398
 399         fib = cm->cm_fib;
 400         srb = (struct aac_srb *)&fib->data[0];
 401         cm->cm_datalen = 0;
 402
 403         switch (ccb->ccb_h.flags & CAM_DIR_MASK) {
 404         case CAM_DIR_IN:
 405                 srb->flags = AAC_SRB_FLAGS_DATA_IN;
 406                 cm->cm_flags |= AAC_CMD_DATAIN;
 407                 break;
 408         case CAM_DIR_OUT:
 409                 srb->flags = AAC_SRB_FLAGS_DATA_OUT;
 410                 cm->cm_flags |= AAC_CMD_DATAOUT;
 411                 break;
 412         case CAM_DIR_NONE:
 413                 srb->flags = AAC_SRB_FLAGS_NO_DATA_XFER;
 414                 break;
 415         default:
 416                 srb->flags = AAC_SRB_FLAGS_UNSPECIFIED_DIRECTION;
 417                 cm->cm_flags |= AAC_CMD_DATAIN | AAC_CMD_DATAOUT;
 418                 break;
 419         }
 420
 421         switch(ccb->ccb_h.func_code) {
 422         case XPT_SCSI_IO:
 423         {
 424                 struct ccb_scsiio *csio = &ccb->csio;
 425
 426                 srb->function = AAC_SRB_FUNC_EXECUTE_SCSI;
 427
 428                 /*
 429                  * Copy the CDB into the SRB.  It's only 6-16 bytes,
 430                  * so a copy is not too expensive.
 431                  */
 432                 srb->cdb_len = csio->cdb_len;
 433                 if (ccb->ccb_h.flags & CAM_CDB_POINTER)
 434                         bcopy(csio->cdb_io.cdb_ptr, (u_int8_t *)&srb->cdb[0],
 435                             srb->cdb_len);
 436                 else
 437                         bcopy(csio->cdb_io.cdb_bytes, (u_int8_t *)&srb->cdb[0],
 438                             srb->cdb_len);
 439
 440                 /* Set command */
 441                 fib->Header.Command = (sc->flags & AAC_FLAGS_SG_64BIT) ?
 442                         ScsiPortCommandU64 : ScsiPortCommand;
 443
 444                 /* Map the s/g list. XXX 32bit addresses only! */
 445                 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
 446                         switch ((ccb->ccb_h.flags & CAM_DATA_MASK)) {
 447                         case CAM_DATA_VADDR:
 448                                 srb->data_len = csio->dxfer_len;
 449                                 /*
 450                                  * Arrange things so that the S/G
 451                                  * map will get set up automagically
 452                                  */
 453                                 cm->cm_data = (void *)csio->data_ptr;
 454                                 cm->cm_datalen = csio->dxfer_len;
 455                                 cm->cm_sgtable = &srb->sg_map;
 456                                 break;
 457                         case CAM_DATA_PADDR:
 458                                 /* Send a 32bit command */
 459                                 fib->Header.Command = ScsiPortCommand;
 460                                 srb->sg_map.SgCount = 1;
 461                                 srb->sg_map.SgEntry[0].SgAddress =
 462                                     (uint32_t)(uintptr_t)csio->data_ptr;
 463                                 srb->sg_map.SgEntry[0].SgByteCount =
 464                                     csio->dxfer_len;
 465                                 srb->data_len = csio->dxfer_len;
 466                                 break;
 467                         default:
 468                                 /* XXX Need to handle multiple s/g elements */
 469                                 panic("aac_cam: multiple s/g elements");
 470                         }
 471                 } else {
 472                         srb->sg_map.SgCount = 0;
 473                         srb->sg_map.SgEntry[0].SgByteCount = 0;
 474                         srb->data_len = 0;
 475                 }
 476
 477                 break;
 478         }
 479         case XPT_RESET_DEV:
 480                 if (!(sc->flags & AAC_FLAGS_CAM_NORESET)) {
 481                         srb->function = AAC_SRB_FUNC_RESET_DEVICE;
 482                         break;
 483                 } else {
 484                         ccb->ccb_h.status = CAM_REQ_CMP;
 485                         xpt_done(ccb);
 486                         return;
 487                 }
 488         default:
 489                 break;
 490         }
 491
 492         srb->bus = camsc->inf->BusNumber; /* Bus number relative to the card */
 493         srb->target = ccb->ccb_h.target_id;
 494         srb->lun = ccb->ccb_h.target_lun;
 495         srb->timeout = ccb->ccb_h.timeout;      /* XXX */
 496         srb->retry_limit = 0;
 497
 498         cm->cm_complete = aac_cam_complete;
 499         cm->cm_private = ccb;
 500         cm->cm_timestamp = time_uptime;
 501
 502         fib->Header.XferState =
 503             AAC_FIBSTATE_HOSTOWNED      |
 504             AAC_FIBSTATE_INITIALISED    |
 505             AAC_FIBSTATE_FROMHOST       |
 506             AAC_FIBSTATE_REXPECTED      |
 507             AAC_FIBSTATE_NORM;
 508         fib->Header.Size = sizeof(struct aac_fib_header) +
 509             sizeof(struct aac_srb);
 510
 511         aac_enqueue_ready(cm);
 512         aac_startio(cm->cm_sc);
 513 }
 514
 515 static void
 516 aac_cam_poll(struct cam_sim *sim)
 517 {
 518         /*
 519          * Pinging the interrupt routine isn't very safe, nor is it
 520          * really necessary.  Do nothing.
 521          */
 522 }
 523
 524 static void
 525 aac_cam_fix_inquiry(struct aac_softc *sc, union ccb *ccb)
 526 {
 527         struct scsi_inquiry_data *inq;
 528         uint8_t *data;
 529         uint8_t device, qual;
 530
 531         /* If this is an inquiry command, fake things out */
 532         if (ccb->ccb_h.flags & CAM_CDB_POINTER)
 533                 data = ccb->csio.cdb_io.cdb_ptr;
 534         else
 535                 data = ccb->csio.cdb_io.cdb_bytes;
 536
 537         if (data[0] != INQUIRY)
 538                 return;
 539
 540         if (ccb->ccb_h.status == CAM_REQ_CMP) {
 541                 inq = (struct scsi_inquiry_data *)ccb->csio.data_ptr;
 542                 device = SID_TYPE(inq);
 543                 qual = SID_QUAL(inq);
 544
 545                 /*
 546                  * We want DASD and PROC devices to only be
 547                  * visible through the pass device.
 548                  */
 549                 if (((device == T_DIRECT) ||
 550                     (device == T_PROCESSOR) ||
 551                     (sc->flags & AAC_FLAGS_CAM_PASSONLY))) {
 552                         /*
 553                          * Some aac(4) adapters will always report that a direct
 554                          * access device is offline in response to a INQUIRY
 555                          * command that does not retrieve vital product data.
 556                          * Force the qualifier to connected so that upper layers
 557                          * correctly recognize that a disk is present.
 558                          */
 559                         if ((data[1] & SI_EVPD) == 0 && device == T_DIRECT &&
 560                             qual == SID_QUAL_LU_OFFLINE)
 561                                 qual = SID_QUAL_LU_CONNECTED;
 562                         ccb->csio.data_ptr[0] = (qual << 5) | T_NODEVICE;
 563                 }
 564         } else if (ccb->ccb_h.status == CAM_SEL_TIMEOUT &&
 565                 ccb->ccb_h.target_lun != 0) {
 566                 /* fix for INQUIRYs on Lun>0 */
 567                 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
 568         }
 569 }
 570
 571 static void
 572 aac_cam_complete(struct aac_command *cm)
 573 {
 574         union   ccb *ccb;
 575         struct  aac_srb_response *srbr;
 576         struct  aac_softc *sc;
 577         int     sense_returned;
 578
 579         sc = cm->cm_sc;
 580         fwprintf(sc, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, "");
 581         ccb = cm->cm_private;
 582         srbr = (struct aac_srb_response *)&cm->cm_fib->data[0];
 583
 584         if (srbr->fib_status != 0) {
 585                 device_printf(sc->aac_dev, "Passthru FIB failed!\n");
 586                 ccb->ccb_h.status = CAM_REQ_ABORTED;
 587         } else {
 588                 /*
 589                  * The SRB error codes just happen to match the CAM error
 590                  * codes.  How convenient!
 591                  */
 592                 ccb->ccb_h.status = srbr->srb_status;
 593
 594                 /* Take care of SCSI_IO ops. */
 595                 if (ccb->ccb_h.func_code == XPT_SCSI_IO) {
 596                         ccb->csio.scsi_status = srbr->scsi_status;
 597
 598                         /* Take care of autosense */
 599                         if (srbr->sense_len) {
 600                                 sense_returned = srbr->sense_len;
 601                                 if (sense_returned < ccb->csio.sense_len)
 602                                         ccb->csio.sense_resid =
 603                                            ccb->csio.sense_len -
 604                                            sense_returned;
 605                                         else
 606                                             ccb->csio.sense_resid = 0;
 607                                 bzero(&ccb->csio.sense_data,
 608                                     sizeof(struct scsi_sense_data));
 609                                 bcopy(&srbr->sense[0], &ccb->csio.sense_data,
 610                                     min(ccb->csio.sense_len, sense_returned));
 611                                 ccb->ccb_h.status |= CAM_AUTOSNS_VALID;
 612                                 // scsi_sense_print(&ccb->csio);
 613                         }
 614
 615                         aac_cam_fix_inquiry(sc, ccb);
 616                 }
 617         }
 618
 619         aac_release_command(cm);
 620         xpt_done(ccb);
 621 }
 622
 623 static u_int32_t
 624 aac_cam_reset_bus(struct cam_sim *sim, union ccb *ccb)
 625 {
 626         struct aac_fib *fib;
 627         struct aac_softc *sc;
 628         struct aac_cam *camsc;
 629         struct aac_vmioctl *vmi;
 630         struct aac_resetbus *rbc;
 631         int e;
 632
 633         camsc = (struct aac_cam *)cam_sim_softc(sim);
 634         sc = camsc->inf->aac_sc;
 635
 636         if (sc == NULL) {
 637                 printf("aac: Null sc?\n");
 638                 return (CAM_REQ_ABORTED);
 639         }
 640
 641         aac_alloc_sync_fib(sc, &fib);
 642
 643         vmi = (struct aac_vmioctl *)&fib->data[0];
 644         bzero(vmi, sizeof(struct aac_vmioctl));
 645
 646         vmi->Command = VM_Ioctl;
 647         vmi->ObjType = FT_DRIVE;
 648         vmi->MethId = sc->scsi_method_id;
 649         vmi->ObjId = 0;
 650         vmi->IoctlCmd = ResetBus;
 651
 652         rbc = (struct aac_resetbus *)&vmi->IoctlBuf[0];
 653         rbc->BusNumber = camsc->inf->BusNumber;
 654
 655         e = aac_sync_fib(sc, ContainerCommand, 0, fib,
 656             sizeof(struct aac_vmioctl));
 657         if (e) {
 658                 device_printf(sc->aac_dev,"Error %d sending ResetBus command\n",
 659                     e);
 660                 aac_release_sync_fib(sc);
 661                 return (CAM_REQ_ABORTED);
 662         }
 663
 664         aac_release_sync_fib(sc);
 665         return (CAM_REQ_CMP);
 666 }
 667
 668 static u_int32_t
 669 aac_cam_abort_ccb(struct cam_sim *sim, union ccb *ccb)
 670 {
 671         return (CAM_UA_ABORT);
 672 }
 673
 674 static u_int32_t
 675 aac_cam_term_io(struct cam_sim *sim, union ccb *ccb)
 676 {
 677         return (CAM_UA_TERMIO);
 678 }