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 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, 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 static void
 146 aac_cam_event(struct aac_softc *sc, struct aac_event *event, void *arg)
 147 {
 148         union ccb *ccb;
 149         struct aac_cam *camsc;
 150
 151         switch (event->ev_type) {
 152         case AAC_EVENT_CMFREE:
 153                 ccb = arg;
 154                 camsc = ccb->ccb_h.sim_priv.entries[0].ptr;
 155                 free(event, M_AACCAM);
 156                 xpt_release_simq(camsc->sim, 1);
 157                 ccb->ccb_h.status = CAM_REQUEUE_REQ;
 158                 xpt_done(ccb);
 159                 break;
 160         default:
 161                 device_printf(sc->aac_dev, "unknown event %d in aac_cam\n",
 162                     event->ev_type);
 163                 break;
 164         }
 165 }
 166
 167 static int
 168 aac_cam_probe(device_t dev)
 169 {
 170         fwprintf(NULL, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, "");
 171
 172         return (0);
 173 }
 174
 175 static int
 176 aac_cam_detach(device_t dev)
 177 {
 178         struct aac_softc *sc;
 179         struct aac_cam *camsc;
 180         fwprintf(NULL, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, "");
 181
 182         camsc = (struct aac_cam *)device_get_softc(dev);
 183         sc = camsc->inf->aac_sc;
 184         camsc->inf->aac_cam = NULL;
 185
 186         mtx_lock(&sc->aac_io_lock);
 187
 188         xpt_async(AC_LOST_DEVICE, camsc->path, NULL);
 189         xpt_free_path(camsc->path);
 190         xpt_bus_deregister(cam_sim_path(camsc->sim));
 191         cam_sim_free(camsc->sim, /*free_devq*/TRUE);
 192
 193         sc->cam_rescan_cb = NULL;
 194
 195         mtx_unlock(&sc->aac_io_lock);
 196
 197         return (0);
 198 }
 199
 200 /*
 201  * Register the driver as a CAM SIM
 202  */
 203 static int
 204 aac_cam_attach(device_t dev)
 205 {
 206         struct cam_devq *devq;
 207         struct cam_sim *sim;
 208         struct cam_path *path;
 209         struct aac_cam *camsc;
 210         struct aac_sim *inf;
 211
 212         fwprintf(NULL, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, "");
 213
 214         camsc = (struct aac_cam *)device_get_softc(dev);
 215         inf = (struct aac_sim *)device_get_ivars(dev);
 216         camsc->inf = inf;
 217         camsc->inf->aac_cam = camsc;
 218
 219         devq = cam_simq_alloc(inf->TargetsPerBus);
 220         if (devq == NULL)
 221                 return (EIO);
 222
 223         sim = cam_sim_alloc(aac_cam_action, aac_cam_poll, "aacp", camsc,
 224             device_get_unit(dev), &inf->aac_sc->aac_io_lock, 1, 1, devq);
 225         if (sim == NULL) {
 226                 cam_simq_free(devq);
 227                 return (EIO);
 228         }
 229
 230         /* Since every bus has it's own sim, every bus 'appears' as bus 0 */
 231         mtx_lock(&inf->aac_sc->aac_io_lock);
 232         if (xpt_bus_register(sim, dev, 0) != CAM_SUCCESS) {
 233                 cam_sim_free(sim, TRUE);
 234                 mtx_unlock(&inf->aac_sc->aac_io_lock);
 235                 return (EIO);
 236         }
 237
 238         if (xpt_create_path(&path, NULL, cam_sim_path(sim),
 239             CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
 240                 xpt_bus_deregister(cam_sim_path(sim));
 241                 cam_sim_free(sim, TRUE);
 242                 mtx_unlock(&inf->aac_sc->aac_io_lock);
 243                 return (EIO);
 244         }
 245         inf->aac_sc->cam_rescan_cb = aac_cam_rescan;
 246         mtx_unlock(&inf->aac_sc->aac_io_lock);
 247
 248         camsc->sim = sim;
 249         camsc->path = path;
 250
 251         return (0);
 252 }
 253
 254 static void
 255 aac_cam_action(struct cam_sim *sim, union ccb *ccb)
 256 {
 257         struct  aac_cam *camsc;
 258         struct  aac_softc *sc;
 259         struct  aac_srb *srb;
 260         struct  aac_fib *fib;
 261         struct  aac_command *cm;
 262
 263         camsc = (struct aac_cam *)cam_sim_softc(sim);
 264         sc = camsc->inf->aac_sc;
 265         fwprintf(sc, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, "");
 266
 267         /* Synchronous ops, and ops that don't require communication with the
 268          * controller */
 269         switch(ccb->ccb_h.func_code) {
 270         case XPT_SCSI_IO:
 271         case XPT_RESET_DEV:
 272                 /* These are handled down below */
 273                 break;
 274         case XPT_CALC_GEOMETRY:
 275         {
 276                 struct ccb_calc_geometry *ccg;
 277                 u_int32_t size_mb;
 278                 u_int32_t secs_per_cylinder;
 279
 280                 ccg = &ccb->ccg;
 281                 size_mb = ccg->volume_size /
 282                     ((1024L * 1024L) / ccg->block_size);
 283                 if (size_mb >= (2 * 1024)) {            /* 2GB */
 284                         ccg->heads = 255;
 285                         ccg->secs_per_track = 63;
 286                 } else if (size_mb >= (1 * 1024)) {     /* 1GB */
 287                         ccg->heads = 128;
 288                         ccg->secs_per_track = 32;
 289                 } else {
 290                         ccg->heads = 64;
 291                         ccg->secs_per_track = 32;
 292                 }
 293                 secs_per_cylinder = ccg->heads * ccg->secs_per_track;
 294                 ccg->cylinders = ccg->volume_size / secs_per_cylinder;
 295
 296                 ccb->ccb_h.status = CAM_REQ_CMP;
 297                 xpt_done(ccb);
 298                 return;
 299         }
 300         case XPT_PATH_INQ:
 301         {
 302                 struct ccb_pathinq *cpi = &ccb->cpi;
 303
 304                 cpi->version_num = 1;
 305                 cpi->hba_inquiry = PI_WIDE_16;
 306                 cpi->target_sprt = 0;
 307
 308                 /*
 309                  * Resetting via the passthrough or parallel bus scan
 310                  * causes problems.
 311                  */
 312                 cpi->hba_misc = PIM_NOBUSRESET | PIM_SEQSCAN;
 313                 cpi->hba_eng_cnt = 0;
 314                 cpi->max_target = camsc->inf->TargetsPerBus;
 315                 cpi->max_lun = 8;       /* Per the controller spec */
 316                 cpi->initiator_id = camsc->inf->InitiatorBusId;
 317                 cpi->bus_id = camsc->inf->BusNumber;
 318                 cpi->base_transfer_speed = 3300;
 319                 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
 320                 strlcpy(cpi->hba_vid, "Adaptec", HBA_IDLEN);
 321                 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
 322                 cpi->unit_number = cam_sim_unit(sim);
 323                 cpi->transport = XPORT_SPI;
 324                 cpi->transport_version = 2;
 325                 cpi->protocol = PROTO_SCSI;
 326                 cpi->protocol_version = SCSI_REV_2;
 327                 ccb->ccb_h.status = CAM_REQ_CMP;
 328                 xpt_done(ccb);
 329                 return;
 330         }
 331         case XPT_GET_TRAN_SETTINGS:
 332         {
 333                 struct ccb_trans_settings_scsi *scsi =
 334                         &ccb->cts.proto_specific.scsi;
 335                 struct ccb_trans_settings_spi *spi =
 336                         &ccb->cts.xport_specific.spi;
 337                 ccb->cts.protocol = PROTO_SCSI;
 338                 ccb->cts.protocol_version = SCSI_REV_2;
 339                 ccb->cts.transport = XPORT_SPI;
 340                 ccb->cts.transport_version = 2;
 341                 if (ccb->ccb_h.target_lun != CAM_LUN_WILDCARD) {
 342                         scsi->valid = CTS_SCSI_VALID_TQ;
 343                         spi->valid |= CTS_SPI_VALID_DISC;
 344                 } else {
 345                         scsi->valid = 0;
 346                 }
 347                 ccb->ccb_h.status = CAM_REQ_CMP;
 348                 xpt_done(ccb);
 349                 return;
 350         }
 351         case XPT_SET_TRAN_SETTINGS:
 352                 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
 353                 xpt_done(ccb);
 354                 return;
 355         case XPT_RESET_BUS:
 356                 if (!(sc->flags & AAC_FLAGS_CAM_NORESET)) {
 357                         ccb->ccb_h.status = aac_cam_reset_bus(sim, ccb);
 358                 } else {
 359                         ccb->ccb_h.status = CAM_REQ_CMP;
 360                 }
 361                 xpt_done(ccb);
 362                 return;
 363         case XPT_ABORT:
 364                 ccb->ccb_h.status = aac_cam_abort_ccb(sim, ccb);
 365                 xpt_done(ccb);
 366                 return;
 367         case XPT_TERM_IO:
 368                 ccb->ccb_h.status = aac_cam_term_io(sim, ccb);
 369                 xpt_done(ccb);
 370                 return;
 371         default:
 372                 device_printf(sc->aac_dev, "Unsupported command 0x%x\n",
 373                     ccb->ccb_h.func_code);
 374                 ccb->ccb_h.status = CAM_PROVIDE_FAIL;
 375                 xpt_done(ccb);
 376                 return;
 377         }
 378
 379         /* Async ops that require communcation with the controller */
 380
 381         if (aac_alloc_command(sc, &cm)) {
 382                 struct aac_event *event;
 383
 384                 xpt_freeze_simq(sim, 1);
 385                 ccb->ccb_h.status = CAM_RESRC_UNAVAIL;
 386                 ccb->ccb_h.sim_priv.entries[0].ptr = camsc;
 387                 event = malloc(sizeof(struct aac_event), M_AACCAM,
 388                     M_NOWAIT | M_ZERO);
 389                 if (event == NULL) {
 390                         device_printf(sc->aac_dev,
 391                             "Warning, out of memory for event\n");
 392                         return;
 393                 }
 394                 event->ev_callback = aac_cam_event;
 395                 event->ev_arg = ccb;
 396                 event->ev_type = AAC_EVENT_CMFREE;
 397                 aac_add_event(sc, event);
 398                 return;
 399         }
 400
 401         fib = cm->cm_fib;
 402         srb = (struct aac_srb *)&fib->data[0];
 403         cm->cm_datalen = 0;
 404
 405         switch (ccb->ccb_h.flags & CAM_DIR_MASK) {
 406         case CAM_DIR_IN:
 407                 srb->flags = AAC_SRB_FLAGS_DATA_IN;
 408                 cm->cm_flags |= AAC_CMD_DATAIN;
 409                 break;
 410         case CAM_DIR_OUT:
 411                 srb->flags = AAC_SRB_FLAGS_DATA_OUT;
 412                 cm->cm_flags |= AAC_CMD_DATAOUT;
 413                 break;
 414         case CAM_DIR_NONE:
 415                 srb->flags = AAC_SRB_FLAGS_NO_DATA_XFER;
 416                 break;
 417         default:
 418                 srb->flags = AAC_SRB_FLAGS_UNSPECIFIED_DIRECTION;
 419                 cm->cm_flags |= AAC_CMD_DATAIN | AAC_CMD_DATAOUT;
 420                 break;
 421         }
 422
 423         switch(ccb->ccb_h.func_code) {
 424         case XPT_SCSI_IO:
 425         {
 426                 struct ccb_scsiio *csio = &ccb->csio;
 427
 428                 srb->function = AAC_SRB_FUNC_EXECUTE_SCSI;
 429
 430                 /*
 431                  * Copy the CDB into the SRB.  It's only 6-16 bytes,
 432                  * so a copy is not too expensive.
 433                  */
 434                 srb->cdb_len = csio->cdb_len;
 435                 if (ccb->ccb_h.flags & CAM_CDB_POINTER)
 436                         bcopy(csio->cdb_io.cdb_ptr, (u_int8_t *)&srb->cdb[0],
 437                             srb->cdb_len);
 438                 else
 439                         bcopy(csio->cdb_io.cdb_bytes, (u_int8_t *)&srb->cdb[0],
 440                             srb->cdb_len);
 441
 442                 /* Set command */
 443                 fib->Header.Command = (sc->flags & AAC_FLAGS_SG_64BIT) ?
 444                         ScsiPortCommandU64 : ScsiPortCommand;
 445
 446                 /* Map the s/g list. XXX 32bit addresses only! */
 447                 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
 448                         switch ((ccb->ccb_h.flags & CAM_DATA_MASK)) {
 449                         case CAM_DATA_VADDR:
 450                                 srb->data_len = csio->dxfer_len;
 451                                 /*
 452                                  * Arrange things so that the S/G
 453                                  * map will get set up automagically
 454                                  */
 455                                 cm->cm_data = (void *)csio->data_ptr;
 456                                 cm->cm_datalen = csio->dxfer_len;
 457                                 cm->cm_sgtable = &srb->sg_map;
 458                                 break;
 459                         case CAM_DATA_PADDR:
 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                                 srb->data_len = csio->dxfer_len;
 468                                 break;
 469                         default:
 470                                 /* XXX Need to handle multiple s/g elements */
 471                                 panic("aac_cam: multiple s/g elements");
 472                         }
 473                 } else {
 474                         srb->sg_map.SgCount = 0;
 475                         srb->sg_map.SgEntry[0].SgByteCount = 0;
 476                         srb->data_len = 0;
 477                 }
 478
 479                 break;
 480         }
 481         case XPT_RESET_DEV:
 482                 if (!(sc->flags & AAC_FLAGS_CAM_NORESET)) {
 483                         srb->function = AAC_SRB_FUNC_RESET_DEVICE;
 484                         break;
 485                 } else {
 486                         ccb->ccb_h.status = CAM_REQ_CMP;
 487                         xpt_done(ccb);
 488                         return;
 489                 }
 490         default:
 491                 break;
 492         }
 493
 494         srb->bus = camsc->inf->BusNumber; /* Bus number relative to the card */
 495         srb->target = ccb->ccb_h.target_id;
 496         srb->lun = ccb->ccb_h.target_lun;
 497         srb->timeout = ccb->ccb_h.timeout;      /* XXX */
 498         srb->retry_limit = 0;
 499
 500         cm->cm_complete = aac_cam_complete;
 501         cm->cm_private = ccb;
 502         cm->cm_timestamp = time_uptime;
 503
 504         fib->Header.XferState =
 505             AAC_FIBSTATE_HOSTOWNED      |
 506             AAC_FIBSTATE_INITIALISED    |
 507             AAC_FIBSTATE_FROMHOST       |
 508             AAC_FIBSTATE_REXPECTED      |
 509             AAC_FIBSTATE_NORM;
 510         fib->Header.Size = sizeof(struct aac_fib_header) +
 511             sizeof(struct aac_srb);
 512
 513         aac_enqueue_ready(cm);
 514         aac_startio(cm->cm_sc);
 515 }
 516
 517 static void
 518 aac_cam_poll(struct cam_sim *sim)
 519 {
 520         /*
 521          * Pinging the interrupt routine isn't very safe, nor is it
 522          * really necessary.  Do nothing.
 523          */
 524 }
 525
 526 static void
 527 aac_cam_fix_inquiry(struct aac_softc *sc, union ccb *ccb)
 528 {
 529         struct scsi_inquiry_data *inq;
 530         uint8_t *data;
 531         uint8_t device, qual;
 532
 533         /* If this is an inquiry command, fake things out */
 534         if (ccb->ccb_h.flags & CAM_CDB_POINTER)
 535                 data = ccb->csio.cdb_io.cdb_ptr;
 536         else
 537                 data = ccb->csio.cdb_io.cdb_bytes;
 538
 539         if (data[0] != INQUIRY)
 540                 return;
 541
 542         if (ccb->ccb_h.status == CAM_REQ_CMP) {
 543                 inq = (struct scsi_inquiry_data *)ccb->csio.data_ptr;
 544                 device = SID_TYPE(inq);
 545                 qual = SID_QUAL(inq);
 546
 547                 /*
 548                  * We want DASD and PROC devices to only be
 549                  * visible through the pass device.
 550                  */
 551                 if (((device == T_DIRECT) ||
 552                     (device == T_PROCESSOR) ||
 553                     (sc->flags & AAC_FLAGS_CAM_PASSONLY))) {
 554                         /*
 555                          * Some aac(4) adapters will always report that a direct
 556                          * access device is offline in response to a INQUIRY
 557                          * command that does not retrieve vital product data.
 558                          * Force the qualifier to connected so that upper layers
 559                          * correctly recognize that a disk is present.
 560                          */
 561                         if ((data[1] & SI_EVPD) == 0 && device == T_DIRECT &&
 562                             qual == SID_QUAL_LU_OFFLINE)
 563                                 qual = SID_QUAL_LU_CONNECTED;
 564                         ccb->csio.data_ptr[0] = (qual << 5) | T_NODEVICE;
 565                 }
 566         } else if (ccb->ccb_h.status == CAM_SEL_TIMEOUT &&
 567                 ccb->ccb_h.target_lun != 0) {
 568                 /* fix for INQUIRYs on Lun>0 */
 569                 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
 570         }
 571 }
 572
 573 static void
 574 aac_cam_complete(struct aac_command *cm)
 575 {
 576         union   ccb *ccb;
 577         struct  aac_srb_response *srbr;
 578         struct  aac_softc *sc;
 579         int     sense_returned;
 580
 581         sc = cm->cm_sc;
 582         fwprintf(sc, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, "");
 583         ccb = cm->cm_private;
 584         srbr = (struct aac_srb_response *)&cm->cm_fib->data[0];
 585
 586         if (srbr->fib_status != 0) {
 587                 device_printf(sc->aac_dev, "Passthru FIB failed!\n");
 588                 ccb->ccb_h.status = CAM_REQ_ABORTED;
 589         } else {
 590                 /*
 591                  * The SRB error codes just happen to match the CAM error
 592                  * codes.  How convenient!
 593                  */
 594                 ccb->ccb_h.status = srbr->srb_status;
 595
 596                 /* Take care of SCSI_IO ops. */
 597                 if (ccb->ccb_h.func_code == XPT_SCSI_IO) {
 598                         ccb->csio.scsi_status = srbr->scsi_status;
 599
 600                         /* Take care of autosense */
 601                         if (srbr->sense_len) {
 602                                 sense_returned = srbr->sense_len;
 603                                 if (sense_returned < ccb->csio.sense_len)
 604                                         ccb->csio.sense_resid =
 605                                            ccb->csio.sense_len -
 606                                            sense_returned;
 607                                         else
 608                                             ccb->csio.sense_resid = 0;
 609                                 bzero(&ccb->csio.sense_data,
 610                                     sizeof(struct scsi_sense_data));
 611                                 bcopy(&srbr->sense[0], &ccb->csio.sense_data,
 612                                     min(ccb->csio.sense_len, sense_returned));
 613                                 ccb->ccb_h.status |= CAM_AUTOSNS_VALID;
 614                                 // scsi_sense_print(&ccb->csio);
 615                         }
 616
 617                         aac_cam_fix_inquiry(sc, ccb);
 618                 }
 619         }
 620
 621         aac_release_command(cm);
 622         xpt_done(ccb);
 623 }
 624
 625 static u_int32_t
 626 aac_cam_reset_bus(struct cam_sim *sim, union ccb *ccb)
 627 {
 628         struct aac_fib *fib;
 629         struct aac_softc *sc;
 630         struct aac_cam *camsc;
 631         struct aac_vmioctl *vmi;
 632         struct aac_resetbus *rbc;
 633         int e;
 634
 635         camsc = (struct aac_cam *)cam_sim_softc(sim);
 636         sc = camsc->inf->aac_sc;
 637
 638         if (sc == NULL) {
 639                 printf("aac: Null sc?\n");
 640                 return (CAM_REQ_ABORTED);
 641         }
 642
 643         aac_alloc_sync_fib(sc, &fib);
 644
 645         vmi = (struct aac_vmioctl *)&fib->data[0];
 646         bzero(vmi, sizeof(struct aac_vmioctl));
 647
 648         vmi->Command = VM_Ioctl;
 649         vmi->ObjType = FT_DRIVE;
 650         vmi->MethId = sc->scsi_method_id;
 651         vmi->ObjId = 0;
 652         vmi->IoctlCmd = ResetBus;
 653
 654         rbc = (struct aac_resetbus *)&vmi->IoctlBuf[0];
 655         rbc->BusNumber = camsc->inf->BusNumber;
 656
 657         e = aac_sync_fib(sc, ContainerCommand, 0, fib,
 658             sizeof(struct aac_vmioctl));
 659         if (e) {
 660                 device_printf(sc->aac_dev,"Error %d sending ResetBus command\n",
 661                     e);
 662                 aac_release_sync_fib(sc);
 663                 return (CAM_REQ_ABORTED);
 664         }
 665
 666         aac_release_sync_fib(sc);
 667         return (CAM_REQ_CMP);
 668 }
 669
 670 static u_int32_t
 671 aac_cam_abort_ccb(struct cam_sim *sim, union ccb *ccb)
 672 {
 673         return (CAM_UA_ABORT);
 674 }
 675
 676 static u_int32_t
 677 aac_cam_term_io(struct cam_sim *sim, union ccb *ccb)
 678 {
 679         return (CAM_UA_TERMIO);
 680 }