sys/dev/aacraid/aacraid_cam.c

   1 /*-
   2  * Copyright (c) 2002-2010 Adaptec, Inc.
   3  * Copyright (c) 2010-2012 PMC-Sierra, Inc.
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  25  * SUCH DAMAGE.
  26  */
  27
  28 #include <sys/cdefs.h>
  29 __FBSDID("$FreeBSD$");
  30
  31 /*
  32  * CAM front-end for communicating with non-DASD devices
  33  */
  34
  35 #include "opt_aacraid.h"
  36
  37 #include <sys/param.h>
  38 #include <sys/systm.h>
  39 #include <sys/kernel.h>
  40 #include <sys/sysctl.h>
  41 #include <sys/lock.h>
  42 #include <sys/malloc.h>
  43 #include <sys/module.h>
  44 #include <sys/mutex.h>
  45
  46 #include <cam/cam.h>
  47 #include <cam/cam_ccb.h>
  48 #include <cam/cam_debug.h>
  49 #include <cam/cam_periph.h>
  50 #if __FreeBSD_version < 801000
  51 #include <cam/cam_xpt_periph.h>
  52 #endif
  53 #include <cam/cam_sim.h>
  54 #include <cam/cam_xpt_sim.h>
  55 #include <cam/scsi/scsi_all.h>
  56 #include <cam/scsi/scsi_message.h>
  57
  58 #include <sys/bus.h>
  59 #include <sys/conf.h>
  60 #include <sys/disk.h>
  61
  62 #include <machine/md_var.h>
  63 #include <machine/bus.h>
  64 #include <sys/rman.h>
  65
  66 #include <vm/vm.h>
  67 #include <vm/pmap.h>
  68
  69 #include <dev/aacraid/aacraid_reg.h>
  70 #include <sys/aac_ioctl.h>
  71 #include <dev/aacraid/aacraid_debug.h>
  72 #include <dev/aacraid/aacraid_var.h>
  73
  74 #if __FreeBSD_version >= 700025
  75 #ifndef CAM_NEW_TRAN_CODE
  76 #define CAM_NEW_TRAN_CODE       1
  77 #endif
  78 #endif
  79
  80 #ifndef SVPD_SUPPORTED_PAGE_LIST
  81 struct scsi_vpd_supported_page_list
  82 {
  83         u_int8_t device;
  84         u_int8_t page_code;
  85 #define SVPD_SUPPORTED_PAGE_LIST 0x00
  86         u_int8_t reserved;
  87         u_int8_t length;        /* number of VPD entries */
  88 #define SVPD_SUPPORTED_PAGES_SIZE       251
  89         u_int8_t list[SVPD_SUPPORTED_PAGES_SIZE];
  90 };
  91 #endif
  92
  93 /************************** Version Compatibility *************************/
  94 #if     __FreeBSD_version < 700031
  95 #define aac_sim_alloc(a,b,c,d,e,f,g,h,i)        cam_sim_alloc(a,b,c,d,e,g,h,i)
  96 #else
  97 #define aac_sim_alloc                           cam_sim_alloc
  98 #endif
  99
 100 struct aac_cam {
 101         device_t                dev;
 102         struct aac_sim          *inf;
 103         struct cam_sim          *sim;
 104         struct cam_path         *path;
 105 };
 106
 107 static int aac_cam_probe(device_t dev);
 108 static int aac_cam_attach(device_t dev);
 109 static int aac_cam_detach(device_t dev);
 110 static void aac_cam_action(struct cam_sim *, union ccb *);
 111 static void aac_cam_poll(struct cam_sim *);
 112 static void aac_cam_complete(struct aac_command *);
 113 static void aac_container_complete(struct aac_command *);
 114 #if __FreeBSD_version >= 700000
 115 static void aac_cam_rescan(struct aac_softc *sc, uint32_t channel,
 116         uint32_t target_id);
 117 #endif
 118 static void aac_set_scsi_error(struct aac_softc *sc, union ccb *ccb,
 119         u_int8_t status, u_int8_t key, u_int8_t asc, u_int8_t ascq);
 120 static int aac_load_map_command_sg(struct aac_softc *, struct aac_command *);
 121 static u_int64_t aac_eval_blockno(u_int8_t *);
 122 static void aac_container_rw_command(struct cam_sim *, union ccb *, u_int8_t *);
 123 static void aac_container_special_command(struct cam_sim *, union ccb *,
 124         u_int8_t *);
 125 static void aac_passthrough_command(struct cam_sim *, union ccb *);
 126
 127 static u_int32_t aac_cam_reset_bus(struct cam_sim *, union ccb *);
 128 static u_int32_t aac_cam_abort_ccb(struct cam_sim *, union ccb *);
 129 static u_int32_t aac_cam_term_io(struct cam_sim *, union ccb *);
 130
 131 static devclass_t       aacraid_pass_devclass;
 132
 133 static device_method_t  aacraid_pass_methods[] = {
 134         DEVMETHOD(device_probe,         aac_cam_probe),
 135         DEVMETHOD(device_attach,        aac_cam_attach),
 136         DEVMETHOD(device_detach,        aac_cam_detach),
 137         { 0, 0 }
 138 };
 139
 140 static driver_t aacraid_pass_driver = {
 141         "aacraidp",
 142         aacraid_pass_methods,
 143         sizeof(struct aac_cam)
 144 };
 145
 146 DRIVER_MODULE(aacraidp, aacraid, aacraid_pass_driver, aacraid_pass_devclass, 0, 0);
 147 MODULE_DEPEND(aacraidp, cam, 1, 1, 1);
 148
 149 MALLOC_DEFINE(M_AACRAIDCAM, "aacraidcam", "AACRAID CAM info");
 150
 151 static void
 152 aac_set_scsi_error(struct aac_softc *sc, union ccb *ccb, u_int8_t status,
 153         u_int8_t key, u_int8_t asc, u_int8_t ascq)
 154 {
 155 #if __FreeBSD_version >= 900000
 156         struct scsi_sense_data_fixed *sense =
 157                 (struct scsi_sense_data_fixed *)&ccb->csio.sense_data;
 158 #else
 159         struct scsi_sense_data *sense = &ccb->csio.sense_data;
 160 #endif
 161
 162         fwprintf(sc, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, "Error %d!", status);
 163
 164         ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR;
 165         ccb->csio.scsi_status = status;
 166         if (status == SCSI_STATUS_CHECK_COND) {
 167                 ccb->ccb_h.status |= CAM_AUTOSNS_VALID;
 168                 bzero(&ccb->csio.sense_data, ccb->csio.sense_len);
 169                 ccb->csio.sense_data.error_code =
 170                         SSD_CURRENT_ERROR | SSD_ERRCODE_VALID;
 171                 sense->flags = key;
 172                 if (ccb->csio.sense_len >= 14) {
 173                         sense->extra_len = 6;
 174                         sense->add_sense_code = asc;
 175                         sense->add_sense_code_qual = ascq;
 176                 }
 177         }
 178 }
 179
 180 #if __FreeBSD_version >= 700000
 181 static void
 182 aac_cam_rescan(struct aac_softc *sc, uint32_t channel, uint32_t target_id)
 183 {
 184         union ccb *ccb;
 185         struct aac_sim *sim;
 186         struct aac_cam *camsc;
 187
 188         if (target_id == AAC_CAM_TARGET_WILDCARD)
 189                 target_id = CAM_TARGET_WILDCARD;
 190
 191         TAILQ_FOREACH(sim, &sc->aac_sim_tqh, sim_link) {
 192                 camsc = sim->aac_cam;
 193                 if (camsc == NULL || camsc->inf == NULL ||
 194                     camsc->inf->BusNumber != channel)
 195                         continue;
 196
 197                 ccb = xpt_alloc_ccb_nowait();
 198                 if (ccb == NULL) {
 199                         device_printf(sc->aac_dev,
 200                             "Cannot allocate ccb for bus rescan.\n");
 201                         return;
 202                 }
 203
 204                 if (xpt_create_path(&ccb->ccb_h.path, xpt_periph,
 205                     cam_sim_path(camsc->sim),
 206                     target_id, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
 207                         xpt_free_ccb(ccb);
 208                         device_printf(sc->aac_dev,
 209                             "Cannot create path for bus rescan.\n");
 210                         return;
 211                 }
 212                 xpt_rescan(ccb);
 213                 break;
 214         }
 215 }
 216 #endif
 217
 218 static void
 219 aac_cam_event(struct aac_softc *sc, struct aac_event *event, void *arg)
 220 {
 221         union ccb *ccb;
 222         struct aac_cam *camsc;
 223
 224         switch (event->ev_type) {
 225         case AAC_EVENT_CMFREE:
 226                 ccb = arg;
 227                 camsc = ccb->ccb_h.sim_priv.entries[0].ptr;
 228                 free(event, M_AACRAIDCAM);
 229                 xpt_release_simq(camsc->sim, 1);
 230                 ccb->ccb_h.status = CAM_REQUEUE_REQ;
 231                 xpt_done(ccb);
 232                 break;
 233         default:
 234                 device_printf(sc->aac_dev, "unknown event %d in aac_cam\n",
 235                     event->ev_type);
 236                 break;
 237         }
 238
 239         return;
 240 }
 241
 242 static int
 243 aac_cam_probe(device_t dev)
 244 {
 245         struct aac_softc *sc;
 246         struct aac_cam *camsc;
 247
 248         camsc = (struct aac_cam *)device_get_softc(dev);
 249         if (!camsc->inf)
 250                 return (0);
 251         sc = camsc->inf->aac_sc;
 252         fwprintf(sc, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, "");
 253         return (0);
 254 }
 255
 256 static int
 257 aac_cam_detach(device_t dev)
 258 {
 259         struct aac_softc *sc;
 260         struct aac_cam *camsc;
 261
 262         camsc = (struct aac_cam *)device_get_softc(dev);
 263         if (!camsc->inf)
 264                 return (0);
 265         sc = camsc->inf->aac_sc;
 266         fwprintf(sc, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, "");
 267         camsc->inf->aac_cam = NULL;
 268
 269         mtx_lock(&sc->aac_io_lock);
 270
 271         xpt_async(AC_LOST_DEVICE, camsc->path, NULL);
 272         xpt_free_path(camsc->path);
 273         xpt_bus_deregister(cam_sim_path(camsc->sim));
 274         cam_sim_free(camsc->sim, /*free_devq*/TRUE);
 275
 276         sc->cam_rescan_cb = NULL;
 277
 278         mtx_unlock(&sc->aac_io_lock);
 279
 280         return (0);
 281 }
 282
 283 /*
 284  * Register the driver as a CAM SIM
 285  */
 286 static int
 287 aac_cam_attach(device_t dev)
 288 {
 289         struct cam_devq *devq;
 290         struct cam_sim *sim;
 291         struct cam_path *path;
 292         struct aac_cam *camsc;
 293         struct aac_sim *inf;
 294
 295         camsc = (struct aac_cam *)device_get_softc(dev);
 296         inf = (struct aac_sim *)device_get_ivars(dev);
 297         if (!inf)
 298                 return (EIO);
 299         fwprintf(inf->aac_sc, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, "");
 300         camsc->inf = inf;
 301         camsc->inf->aac_cam = camsc;
 302
 303         devq = cam_simq_alloc(inf->TargetsPerBus);
 304         if (devq == NULL)
 305                 return (EIO);
 306
 307         sim = aac_sim_alloc(aac_cam_action, aac_cam_poll, "aacraidp", camsc,
 308             device_get_unit(dev), &inf->aac_sc->aac_io_lock, 1, 1, devq);
 309         if (sim == NULL) {
 310                 cam_simq_free(devq);
 311                 return (EIO);
 312         }
 313
 314         /* Since every bus has it's own sim, every bus 'appears' as bus 0 */
 315         mtx_lock(&inf->aac_sc->aac_io_lock);
 316         if (aac_xpt_bus_register(sim, dev, 0) != CAM_SUCCESS) {
 317                 cam_sim_free(sim, TRUE);
 318                 mtx_unlock(&inf->aac_sc->aac_io_lock);
 319                 return (EIO);
 320         }
 321
 322         if (xpt_create_path(&path, NULL, cam_sim_path(sim),
 323             CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
 324                 xpt_bus_deregister(cam_sim_path(sim));
 325                 cam_sim_free(sim, TRUE);
 326                 mtx_unlock(&inf->aac_sc->aac_io_lock);
 327                 return (EIO);
 328         }
 329
 330 #if __FreeBSD_version >= 700000
 331         inf->aac_sc->cam_rescan_cb = aac_cam_rescan;
 332 #endif
 333         mtx_unlock(&inf->aac_sc->aac_io_lock);
 334
 335         camsc->sim = sim;
 336         camsc->path = path;
 337
 338         return (0);
 339 }
 340
 341 static u_int64_t
 342 aac_eval_blockno(u_int8_t *cmdp)
 343 {
 344         u_int64_t blockno;
 345
 346         switch (cmdp[0]) {
 347         case READ_6:
 348         case WRITE_6:
 349                 blockno = scsi_3btoul(((struct scsi_rw_6 *)cmdp)->addr);
 350                 break;
 351         case READ_10:
 352         case WRITE_10:
 353                 blockno = scsi_4btoul(((struct scsi_rw_10 *)cmdp)->addr);
 354                 break;
 355         case READ_12:
 356         case WRITE_12:
 357                 blockno = scsi_4btoul(((struct scsi_rw_12 *)cmdp)->addr);
 358                 break;
 359         case READ_16:
 360         case WRITE_16:
 361                 blockno = scsi_8btou64(((struct scsi_rw_16 *)cmdp)->addr);
 362                 break;
 363         default:
 364                 blockno = 0;
 365                 break;
 366         }
 367         return(blockno);
 368 }
 369
 370 static void
 371 aac_container_rw_command(struct cam_sim *sim, union ccb *ccb, u_int8_t *cmdp)
 372 {
 373         struct  aac_cam *camsc;
 374         struct  aac_softc *sc;
 375         struct  aac_command *cm;
 376         struct  aac_fib *fib;
 377         u_int64_t blockno;
 378
 379         camsc = (struct aac_cam *)cam_sim_softc(sim);
 380         sc = camsc->inf->aac_sc;
 381         mtx_assert(&sc->aac_io_lock, MA_OWNED);
 382
 383         if (aacraid_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_AACRAIDCAM,
 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                 aacraid_add_event(sc, event);
 400                 return;
 401         }
 402
 403         fib = cm->cm_fib;
 404         switch (ccb->ccb_h.flags & CAM_DIR_MASK) {
 405         case CAM_DIR_IN:
 406                 cm->cm_flags |= AAC_CMD_DATAIN;
 407                 break;
 408         case CAM_DIR_OUT:
 409                 cm->cm_flags |= AAC_CMD_DATAOUT;
 410                 break;
 411         case CAM_DIR_NONE:
 412                 break;
 413         default:
 414                 cm->cm_flags |= AAC_CMD_DATAIN | AAC_CMD_DATAOUT;
 415                 break;
 416         }
 417
 418         blockno = aac_eval_blockno(cmdp);
 419
 420         cm->cm_complete = aac_container_complete;
 421         cm->cm_ccb = ccb;
 422         cm->cm_timestamp = time_uptime;
 423         cm->cm_data = (void *)ccb->csio.data_ptr;
 424         cm->cm_datalen = ccb->csio.dxfer_len;
 425
 426         fib->Header.Size = sizeof(struct aac_fib_header);
 427         fib->Header.XferState =
 428                 AAC_FIBSTATE_HOSTOWNED   |
 429                 AAC_FIBSTATE_INITIALISED |
 430                 AAC_FIBSTATE_EMPTY       |
 431                 AAC_FIBSTATE_FROMHOST    |
 432                 AAC_FIBSTATE_REXPECTED   |
 433                 AAC_FIBSTATE_NORM        |
 434                 AAC_FIBSTATE_ASYNC       |
 435                 AAC_FIBSTATE_FAST_RESPONSE;
 436
 437         if (sc->flags & AAC_FLAGS_NEW_COMM_TYPE2) {
 438                 struct aac_raw_io2 *raw;
 439                 raw = (struct aac_raw_io2 *)&fib->data[0];
 440                 bzero(raw, sizeof(struct aac_raw_io2));
 441                 fib->Header.Command = RawIo2;
 442                 raw->strtBlkLow = (u_int32_t)blockno;
 443                 raw->strtBlkHigh = (u_int32_t)(blockno >> 32);
 444                 raw->byteCnt = cm->cm_datalen;
 445                 raw->ldNum = ccb->ccb_h.target_id;
 446                 fib->Header.Size += sizeof(struct aac_raw_io2);
 447                 cm->cm_sgtable = (struct aac_sg_table *)raw->sge;
 448                 if (cm->cm_flags & AAC_CMD_DATAIN)
 449                         raw->flags = RIO2_IO_TYPE_READ | RIO2_SG_FORMAT_IEEE1212;
 450                 else
 451                         raw->flags = RIO2_IO_TYPE_WRITE | RIO2_SG_FORMAT_IEEE1212;
 452         } else if (sc->flags & AAC_FLAGS_RAW_IO) {
 453                 struct aac_raw_io *raw;
 454                 raw = (struct aac_raw_io *)&fib->data[0];
 455                 bzero(raw, sizeof(struct aac_raw_io));
 456                 fib->Header.Command = RawIo;
 457                 raw->BlockNumber = blockno;
 458                 raw->ByteCount = cm->cm_datalen;
 459                 raw->ContainerId = ccb->ccb_h.target_id;
 460                 fib->Header.Size += sizeof(struct aac_raw_io);
 461                 cm->cm_sgtable = (struct aac_sg_table *)
 462                         &raw->SgMapRaw;
 463                 if (cm->cm_flags & AAC_CMD_DATAIN)
 464                         raw->Flags = 1;
 465         } else if ((sc->flags & AAC_FLAGS_SG_64BIT) == 0) {
 466                 fib->Header.Command = ContainerCommand;
 467                 if (cm->cm_flags & AAC_CMD_DATAIN) {
 468                         struct aac_blockread *br;
 469                         br = (struct aac_blockread *)&fib->data[0];
 470                         br->Command = VM_CtBlockRead;
 471                         br->ContainerId = ccb->ccb_h.target_id;
 472                         br->BlockNumber = blockno;
 473                         br->ByteCount = cm->cm_datalen;
 474                         fib->Header.Size += sizeof(struct aac_blockread);
 475                         cm->cm_sgtable = &br->SgMap;
 476                 } else {
 477                         struct aac_blockwrite *bw;
 478                         bw = (struct aac_blockwrite *)&fib->data[0];
 479                         bw->Command = VM_CtBlockWrite;
 480                         bw->ContainerId = ccb->ccb_h.target_id;
 481                         bw->BlockNumber = blockno;
 482                         bw->ByteCount = cm->cm_datalen;
 483                         bw->Stable = CUNSTABLE;
 484                         fib->Header.Size += sizeof(struct aac_blockwrite);
 485                         cm->cm_sgtable = &bw->SgMap;
 486                 }
 487         } else {
 488                 fib->Header.Command = ContainerCommand64;
 489                 if (cm->cm_flags & AAC_CMD_DATAIN) {
 490                         struct aac_blockread64 *br;
 491                         br = (struct aac_blockread64 *)&fib->data[0];
 492                         br->Command = VM_CtHostRead64;
 493                         br->ContainerId = ccb->ccb_h.target_id;
 494                         br->SectorCount = cm->cm_datalen/AAC_BLOCK_SIZE;
 495                         br->BlockNumber = blockno;
 496                         br->Pad = 0;
 497                         br->Flags = 0;
 498                         fib->Header.Size += sizeof(struct aac_blockread64);
 499                         cm->cm_sgtable = (struct aac_sg_table *)&br->SgMap64;
 500                 } else {
 501                         struct aac_blockwrite64 *bw;
 502                         bw = (struct aac_blockwrite64 *)&fib->data[0];
 503                         bw->Command = VM_CtHostWrite64;
 504                         bw->ContainerId = ccb->ccb_h.target_id;
 505                         bw->SectorCount = cm->cm_datalen/AAC_BLOCK_SIZE;
 506                         bw->BlockNumber = blockno;
 507                         bw->Pad = 0;
 508                         bw->Flags = 0;
 509                         fib->Header.Size += sizeof(struct aac_blockwrite64);
 510                         cm->cm_sgtable = (struct aac_sg_table *)&bw->SgMap64;
 511                 }
 512         }
 513         aac_enqueue_ready(cm);
 514         aacraid_startio(cm->cm_sc);
 515 }
 516
 517 static void
 518 aac_container_special_command(struct cam_sim *sim, union ccb *ccb,
 519         u_int8_t *cmdp)
 520 {
 521         struct  aac_cam *camsc;
 522         struct  aac_softc *sc;
 523         struct  aac_container *co;
 524
 525         camsc = (struct aac_cam *)cam_sim_softc(sim);
 526         sc = camsc->inf->aac_sc;
 527         mtx_assert(&sc->aac_io_lock, MA_OWNED);
 528
 529         TAILQ_FOREACH(co, &sc->aac_container_tqh, co_link) {
 530                 fwprintf(sc, HBA_FLAGS_DBG_ERROR_B, "found container %d search for %d", co->co_mntobj.ObjectId, ccb->ccb_h.target_id);
 531                 if (co->co_mntobj.ObjectId == ccb->ccb_h.target_id)
 532                         break;
 533         }
 534         if (co == NULL || ccb->ccb_h.target_lun != 0) {
 535                 fwprintf(sc, HBA_FLAGS_DBG_ERROR_B,
 536                         "Container not present: cmd 0x%x id %d lun %d len %d",
 537                         *cmdp, ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
 538                         ccb->csio.dxfer_len);
 539                 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
 540                 xpt_done(ccb);
 541                 return;
 542         }
 543
 544         if (ccb->csio.dxfer_len)
 545                 bzero(ccb->csio.data_ptr, ccb->csio.dxfer_len);
 546
 547         switch (*cmdp) {
 548         case INQUIRY:
 549         {
 550                 struct scsi_inquiry *inq = (struct scsi_inquiry *)cmdp;
 551
 552                 fwprintf(sc, HBA_FLAGS_DBG_COMM_B,
 553                 "Container INQUIRY id %d lun %d len %d VPD 0x%x Page 0x%x",
 554                         ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
 555                         ccb->csio.dxfer_len, inq->byte2, inq->page_code);
 556                 if (!(inq->byte2 & SI_EVPD)) {
 557                         struct scsi_inquiry_data *p =
 558                                 (struct scsi_inquiry_data *)ccb->csio.data_ptr;
 559                         if (inq->page_code != 0) {
 560                                 aac_set_scsi_error(sc, ccb,
 561                                         SCSI_STATUS_CHECK_COND,
 562                                         SSD_KEY_ILLEGAL_REQUEST, 0x24, 0x00);
 563                                 xpt_done(ccb);
 564                                 return;
 565                         }
 566                         p->device = T_DIRECT;
 567                         p->version = SCSI_REV_SPC2;
 568                         p->response_format = 2;
 569                         if (ccb->csio.dxfer_len >= 36) {
 570                                 p->additional_length = 31;
 571                                 p->flags = SID_WBus16|SID_Sync|SID_CmdQue;
 572                                 /* OEM Vendor defines */
 573                                 strncpy(p->vendor, "Adaptec ", sizeof(p->vendor));
 574                                 strncpy(p->product, "Array           ",
 575                                     sizeof(p->product));
 576                                 strncpy(p->revision, "V1.0",
 577                                     sizeof(p->revision));
 578                         }
 579                 } else {
 580                         if (inq->page_code == SVPD_SUPPORTED_PAGE_LIST) {
 581                                 struct scsi_vpd_supported_page_list *p =
 582                                         (struct scsi_vpd_supported_page_list *)
 583                                         ccb->csio.data_ptr;
 584                                 p->device = T_DIRECT;
 585                                 p->page_code = SVPD_SUPPORTED_PAGE_LIST;
 586                                 p->length = 2;
 587                                 p->list[0] = SVPD_SUPPORTED_PAGE_LIST;
 588                                 p->list[1] = SVPD_UNIT_SERIAL_NUMBER;
 589                         } else if (inq->page_code == SVPD_UNIT_SERIAL_NUMBER) {
 590                                 struct scsi_vpd_unit_serial_number *p =
 591                                         (struct scsi_vpd_unit_serial_number *)
 592                                         ccb->csio.data_ptr;
 593                                 p->device = T_DIRECT;
 594                                 p->page_code = SVPD_UNIT_SERIAL_NUMBER;
 595                                 p->length = sprintf((char *)p->serial_num,
 596                                         "%08X%02X", co->co_uid,
 597                                         ccb->ccb_h.target_id);
 598                         } else {
 599                                 aac_set_scsi_error(sc, ccb,
 600                                         SCSI_STATUS_CHECK_COND,
 601                                         SSD_KEY_ILLEGAL_REQUEST, 0x24, 0x00);
 602                                 xpt_done(ccb);
 603                                 return;
 604                         }
 605                 }
 606                 ccb->ccb_h.status = CAM_REQ_CMP;
 607                 break;
 608         }
 609
 610         case REPORT_LUNS:
 611                 fwprintf(sc, HBA_FLAGS_DBG_COMM_B,
 612                 "Container REPORT_LUNS id %d lun %d len %d",
 613                 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
 614                 ccb->csio.dxfer_len);
 615                 ccb->ccb_h.status = CAM_REQ_CMP;
 616                 break;
 617
 618         case START_STOP:
 619         {
 620                 struct scsi_start_stop_unit *ss =
 621                         (struct scsi_start_stop_unit *)cmdp;
 622                 fwprintf(sc, HBA_FLAGS_DBG_COMM_B,
 623                 "Container START_STOP id %d lun %d len %d",
 624                 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
 625                 ccb->csio.dxfer_len);
 626                 if (sc->aac_support_opt2 & AAC_SUPPORTED_POWER_MANAGEMENT) {
 627                         struct aac_command *cm;
 628                         struct aac_fib *fib;
 629                         struct aac_cnt_config *ccfg;
 630
 631                         if (aacraid_alloc_command(sc, &cm)) {
 632                                 struct aac_event *event;
 633
 634                                 xpt_freeze_simq(sim, 1);
 635                                 ccb->ccb_h.status = CAM_RESRC_UNAVAIL;
 636                                 ccb->ccb_h.sim_priv.entries[0].ptr = camsc;
 637                                 event = malloc(sizeof(struct aac_event), M_AACRAIDCAM,
 638                                         M_NOWAIT | M_ZERO);
 639                                 if (event == NULL) {
 640                                         device_printf(sc->aac_dev,
 641                                                 "Warning, out of memory for event\n");
 642                                         return;
 643                                 }
 644                                 event->ev_callback = aac_cam_event;
 645                                 event->ev_arg = ccb;
 646                                 event->ev_type = AAC_EVENT_CMFREE;
 647                                 aacraid_add_event(sc, event);
 648                                 return;
 649                         }
 650
 651                         fib = cm->cm_fib;
 652                         cm->cm_timestamp = time_uptime;
 653                         cm->cm_datalen = 0;
 654
 655                         fib->Header.Size =
 656                                 sizeof(struct aac_fib_header) + sizeof(struct aac_cnt_config);
 657                         fib->Header.XferState =
 658                                 AAC_FIBSTATE_HOSTOWNED   |
 659                                 AAC_FIBSTATE_INITIALISED |
 660                                 AAC_FIBSTATE_EMPTY       |
 661                                 AAC_FIBSTATE_FROMHOST    |
 662                                 AAC_FIBSTATE_REXPECTED   |
 663                                 AAC_FIBSTATE_NORM        |
 664                                 AAC_FIBSTATE_ASYNC       |
 665                                 AAC_FIBSTATE_FAST_RESPONSE;
 666                         fib->Header.Command = ContainerCommand;
 667
 668                         /* Start unit */
 669                         ccfg = (struct aac_cnt_config *)&fib->data[0];
 670                         bzero(ccfg, sizeof (*ccfg) - CT_PACKET_SIZE);
 671                         ccfg->Command = VM_ContainerConfig;
 672                         ccfg->CTCommand.command = CT_PM_DRIVER_SUPPORT;
 673                         ccfg->CTCommand.param[0] = (ss->how & SSS_START ?
 674                                 AAC_PM_DRIVERSUP_START_UNIT :
 675                                 AAC_PM_DRIVERSUP_STOP_UNIT);
 676                         ccfg->CTCommand.param[1] = co->co_mntobj.ObjectId;
 677                         ccfg->CTCommand.param[2] = 0;   /* 1 - immediate */
 678
 679                         if (aacraid_wait_command(cm) != 0 ||
 680                                 *(u_int32_t *)&fib->data[0] != 0) {
 681                                 printf("Power Management: Error start/stop container %d\n",
 682                                 co->co_mntobj.ObjectId);
 683                         }
 684                         aacraid_release_command(cm);
 685                 }
 686                 ccb->ccb_h.status = CAM_REQ_CMP;
 687                 break;
 688         }
 689
 690         case TEST_UNIT_READY:
 691                 fwprintf(sc, HBA_FLAGS_DBG_COMM_B,
 692                 "Container TEST_UNIT_READY id %d lun %d len %d",
 693                 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
 694                 ccb->csio.dxfer_len);
 695                 ccb->ccb_h.status = CAM_REQ_CMP;
 696                 break;
 697
 698         case REQUEST_SENSE:
 699                 fwprintf(sc, HBA_FLAGS_DBG_COMM_B,
 700                 "Container REQUEST_SENSE id %d lun %d len %d",
 701                 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
 702                 ccb->csio.dxfer_len);
 703                 ccb->ccb_h.status = CAM_REQ_CMP;
 704                 break;
 705
 706         case READ_CAPACITY:
 707         {
 708                 struct scsi_read_capacity_data *p =
 709                         (struct scsi_read_capacity_data *)ccb->csio.data_ptr;
 710                 fwprintf(sc, HBA_FLAGS_DBG_COMM_B,
 711                 "Container READ_CAPACITY id %d lun %d len %d",
 712                 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
 713                 ccb->csio.dxfer_len);
 714                 scsi_ulto4b(co->co_mntobj.ObjExtension.BlockDevice.BlockSize, p->length);
 715                 /* check if greater than 2TB */
 716                 if (co->co_mntobj.CapacityHigh) {
 717                         if (sc->flags & AAC_FLAGS_LBA_64BIT)
 718                                 scsi_ulto4b(0xffffffff, p->addr);
 719                 } else {
 720                         scsi_ulto4b(co->co_mntobj.Capacity-1, p->addr);
 721                 }
 722                 ccb->ccb_h.status = CAM_REQ_CMP;
 723                 break;
 724         }
 725
 726         case SERVICE_ACTION_IN:
 727         {
 728                 struct scsi_read_capacity_data_long *p =
 729                         (struct scsi_read_capacity_data_long *)
 730                         ccb->csio.data_ptr;
 731                 fwprintf(sc, HBA_FLAGS_DBG_COMM_B,
 732                 "Container SERVICE_ACTION_IN id %d lun %d len %d",
 733                 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
 734                 ccb->csio.dxfer_len);
 735                 if (((struct scsi_read_capacity_16 *)cmdp)->service_action !=
 736                         SRC16_SERVICE_ACTION) {
 737                         aac_set_scsi_error(sc, ccb, SCSI_STATUS_CHECK_COND,
 738                                 SSD_KEY_ILLEGAL_REQUEST, 0x24, 0x00);
 739                         xpt_done(ccb);
 740                         return;
 741                 }
 742                 scsi_ulto4b(co->co_mntobj.ObjExtension.BlockDevice.BlockSize, p->length);
 743                 scsi_ulto4b(co->co_mntobj.CapacityHigh, p->addr);
 744                 scsi_ulto4b(co->co_mntobj.Capacity-1, &p->addr[4]);
 745
 746                 if (ccb->csio.dxfer_len >= 14) {
 747                         u_int32_t mapping = co->co_mntobj.ObjExtension.BlockDevice.bdLgclPhysMap;
 748                         p->prot_lbppbe = 0;
 749                         while (mapping > 1) {
 750                                 mapping >>= 1;
 751                                 p->prot_lbppbe++;
 752                         }
 753                         p->prot_lbppbe &= 0x0f;
 754                 }
 755
 756                 ccb->ccb_h.status = CAM_REQ_CMP;
 757                 break;
 758         }
 759
 760         case MODE_SENSE_6:
 761         {
 762                 struct scsi_mode_sense_6 *msp =(struct scsi_mode_sense_6 *)cmdp;
 763                 struct ms6_data {
 764                         struct scsi_mode_hdr_6 hd;
 765                         struct scsi_mode_block_descr bd;
 766                         char pages;
 767                 } *p = (struct ms6_data *)ccb->csio.data_ptr;
 768                 char *pagep;
 769                 int return_all_pages = FALSE;
 770
 771                 fwprintf(sc, HBA_FLAGS_DBG_COMM_B,
 772                 "Container MODE_SENSE id %d lun %d len %d page %d",
 773                 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
 774                 ccb->csio.dxfer_len, msp->page);
 775                 p->hd.datalen = sizeof(struct scsi_mode_hdr_6) - 1;
 776                 if (co->co_mntobj.ContentState & AAC_FSCS_READONLY)
 777                         p->hd.dev_specific = 0x80;      /* WP */
 778                 p->hd.dev_specific |= 0x10;     /* DPOFUA */
 779                 if (msp->byte2 & SMS_DBD) {
 780                         p->hd.block_descr_len = 0;
 781                 } else {
 782                         p->hd.block_descr_len =
 783                                 sizeof(struct scsi_mode_block_descr);
 784                         p->hd.datalen += p->hd.block_descr_len;
 785                         scsi_ulto3b(co->co_mntobj.ObjExtension.BlockDevice.BlockSize, p->bd.block_len);
 786                         if (co->co_mntobj.Capacity > 0xffffff ||
 787                                 co->co_mntobj.CapacityHigh) {
 788                                 p->bd.num_blocks[0] = 0xff;
 789                                 p->bd.num_blocks[1] = 0xff;
 790                                 p->bd.num_blocks[2] = 0xff;
 791                         } else {
 792                                 p->bd.num_blocks[0] = (u_int8_t)
 793                                         (co->co_mntobj.Capacity >> 16);
 794                                 p->bd.num_blocks[1] = (u_int8_t)
 795                                         (co->co_mntobj.Capacity >> 8);
 796                                 p->bd.num_blocks[2] = (u_int8_t)
 797                                         (co->co_mntobj.Capacity);
 798                         }
 799                 }
 800                 pagep = &p->pages;
 801                 switch (msp->page & SMS_PAGE_CODE) {
 802                 case SMS_ALL_PAGES_PAGE:
 803                         return_all_pages = TRUE;
 804                 case SMS_CONTROL_MODE_PAGE:
 805                 {
 806                         struct scsi_control_page *cp =
 807                                 (struct scsi_control_page *)pagep;
 808
 809                         if (ccb->csio.dxfer_len <= p->hd.datalen + 8) {
 810                                 aac_set_scsi_error(sc, ccb,
 811                                         SCSI_STATUS_CHECK_COND,
 812                                         SSD_KEY_ILLEGAL_REQUEST, 0x24, 0x00);
 813                                 xpt_done(ccb);
 814                                 return;
 815                         }
 816                         cp->page_code = SMS_CONTROL_MODE_PAGE;
 817                         cp->page_length = 6;
 818                         p->hd.datalen += 8;
 819                         pagep += 8;
 820                         if (!return_all_pages)
 821                                 break;
 822                 }
 823                 case SMS_VENDOR_SPECIFIC_PAGE:
 824                         break;
 825                 default:
 826                         aac_set_scsi_error(sc, ccb, SCSI_STATUS_CHECK_COND,
 827                                 SSD_KEY_ILLEGAL_REQUEST, 0x24, 0x00);
 828                         xpt_done(ccb);
 829                         return;
 830                 }
 831                 ccb->ccb_h.status = CAM_REQ_CMP;
 832                 break;
 833         }
 834
 835         case SYNCHRONIZE_CACHE:
 836                 fwprintf(sc, HBA_FLAGS_DBG_COMM_B,
 837                 "Container SYNCHRONIZE_CACHE id %d lun %d len %d",
 838                 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
 839                 ccb->csio.dxfer_len);
 840                 ccb->ccb_h.status = CAM_REQ_CMP;
 841                 break;
 842
 843         default:
 844                 fwprintf(sc, HBA_FLAGS_DBG_ERROR_B,
 845                 "Container unsupp. cmd 0x%x id %d lun %d len %d",
 846                 *cmdp, ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
 847                 ccb->csio.dxfer_len);
 848                 ccb->ccb_h.status = CAM_REQ_CMP; /*CAM_REQ_INVALID*/
 849                 break;
 850         }
 851         xpt_done(ccb);
 852 }
 853
 854 static void
 855 aac_passthrough_command(struct cam_sim *sim, union ccb *ccb)
 856 {
 857         struct  aac_cam *camsc;
 858         struct  aac_softc *sc;
 859         struct  aac_command *cm;
 860         struct  aac_fib *fib;
 861         struct  aac_srb *srb;
 862
 863         camsc = (struct aac_cam *)cam_sim_softc(sim);
 864         sc = camsc->inf->aac_sc;
 865         mtx_assert(&sc->aac_io_lock, MA_OWNED);
 866
 867         if (aacraid_alloc_command(sc, &cm)) {
 868                 struct aac_event *event;
 869
 870                 xpt_freeze_simq(sim, 1);
 871                 ccb->ccb_h.status = CAM_RESRC_UNAVAIL;
 872                 ccb->ccb_h.sim_priv.entries[0].ptr = camsc;
 873                 event = malloc(sizeof(struct aac_event), M_AACRAIDCAM,
 874                     M_NOWAIT | M_ZERO);
 875                 if (event == NULL) {
 876                         device_printf(sc->aac_dev,
 877                             "Warning, out of memory for event\n");
 878                         return;
 879                 }
 880                 event->ev_callback = aac_cam_event;
 881                 event->ev_arg = ccb;
 882                 event->ev_type = AAC_EVENT_CMFREE;
 883                 aacraid_add_event(sc, event);
 884                 return;
 885         }
 886
 887         fib = cm->cm_fib;
 888         switch (ccb->ccb_h.flags & CAM_DIR_MASK) {
 889         case CAM_DIR_IN:
 890                 cm->cm_flags |= AAC_CMD_DATAIN;
 891                 break;
 892         case CAM_DIR_OUT:
 893                 cm->cm_flags |= AAC_CMD_DATAOUT;
 894                 break;
 895         case CAM_DIR_NONE:
 896                 break;
 897         default:
 898                 cm->cm_flags |= AAC_CMD_DATAIN | AAC_CMD_DATAOUT;
 899                 break;
 900         }
 901
 902         srb = (struct aac_srb *)&fib->data[0];
 903         srb->function = AAC_SRB_FUNC_EXECUTE_SCSI;
 904         if (cm->cm_flags & (AAC_CMD_DATAIN|AAC_CMD_DATAOUT))
 905                 srb->flags = AAC_SRB_FLAGS_UNSPECIFIED_DIRECTION;
 906         if (cm->cm_flags & AAC_CMD_DATAIN)
 907                 srb->flags = AAC_SRB_FLAGS_DATA_IN;
 908         else if (cm->cm_flags & AAC_CMD_DATAOUT)
 909                 srb->flags = AAC_SRB_FLAGS_DATA_OUT;
 910         else
 911                 srb->flags = AAC_SRB_FLAGS_NO_DATA_XFER;
 912
 913         /*
 914          * Copy the CDB into the SRB.  It's only 6-16 bytes,
 915          * so a copy is not too expensive.
 916          */
 917         srb->cdb_len = ccb->csio.cdb_len;
 918         if (ccb->ccb_h.flags & CAM_CDB_POINTER)
 919                 bcopy(ccb->csio.cdb_io.cdb_ptr, (u_int8_t *)&srb->cdb[0],
 920                         srb->cdb_len);
 921         else
 922                 bcopy(ccb->csio.cdb_io.cdb_bytes, (u_int8_t *)&srb->cdb[0],
 923                         srb->cdb_len);
 924
 925         /* Set command */
 926         fib->Header.Command = (sc->flags & AAC_FLAGS_SG_64BIT) ?
 927                 ScsiPortCommandU64 : ScsiPortCommand;
 928         fib->Header.Size = sizeof(struct aac_fib_header) +
 929                         sizeof(struct aac_srb);
 930
 931         /* Map the s/g list */
 932         cm->cm_sgtable = &srb->sg_map;
 933         if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
 934                 /*
 935                  * Arrange things so that the S/G
 936                  * map will get set up automagically
 937                  */
 938                 cm->cm_data = (void *)ccb->csio.data_ptr;
 939                 cm->cm_datalen = ccb->csio.dxfer_len;
 940                 srb->data_len = ccb->csio.dxfer_len;
 941         } else {
 942                 cm->cm_data = NULL;
 943                 cm->cm_datalen = 0;
 944                 srb->data_len = 0;
 945         }
 946
 947         srb->bus = camsc->inf->BusNumber - 1; /* Bus no. rel. to the card */
 948         srb->target = ccb->ccb_h.target_id;
 949         srb->lun = ccb->ccb_h.target_lun;
 950         srb->timeout = ccb->ccb_h.timeout;      /* XXX */
 951         srb->retry_limit = 0;
 952
 953         cm->cm_complete = aac_cam_complete;
 954         cm->cm_ccb = ccb;
 955         cm->cm_timestamp = time_uptime;
 956
 957         fib->Header.XferState =
 958                         AAC_FIBSTATE_HOSTOWNED  |
 959                         AAC_FIBSTATE_INITIALISED        |
 960                         AAC_FIBSTATE_FROMHOST   |
 961                         AAC_FIBSTATE_REXPECTED  |
 962                         AAC_FIBSTATE_NORM       |
 963                         AAC_FIBSTATE_ASYNC       |
 964                         AAC_FIBSTATE_FAST_RESPONSE;
 965
 966         aac_enqueue_ready(cm);
 967         aacraid_startio(cm->cm_sc);
 968 }
 969
 970 static void
 971 aac_cam_action(struct cam_sim *sim, union ccb *ccb)
 972 {
 973         struct  aac_cam *camsc;
 974         struct  aac_softc *sc;
 975
 976         camsc = (struct aac_cam *)cam_sim_softc(sim);
 977         sc = camsc->inf->aac_sc;
 978         fwprintf(sc, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, "");
 979         mtx_assert(&sc->aac_io_lock, MA_OWNED);
 980
 981         /* Synchronous ops, and ops that don't require communication with the
 982          * controller */
 983         switch(ccb->ccb_h.func_code) {
 984         case XPT_SCSI_IO:
 985                 /* This is handled down below */
 986                 break;
 987         case XPT_CALC_GEOMETRY:
 988         {
 989                 struct ccb_calc_geometry *ccg;
 990                 u_int32_t size_mb;
 991                 u_int32_t secs_per_cylinder;
 992
 993                 ccg = &ccb->ccg;
 994                 size_mb = ccg->volume_size /
 995                     ((1024L * 1024L) / ccg->block_size);
 996                 if (size_mb >= (2 * 1024)) {            /* 2GB */
 997                         ccg->heads = 255;
 998                         ccg->secs_per_track = 63;
 999                 } else if (size_mb >= (1 * 1024)) {     /* 1GB */
1000                         ccg->heads = 128;
1001                         ccg->secs_per_track = 32;
1002                 } else {
1003                         ccg->heads = 64;
1004                         ccg->secs_per_track = 32;
1005                 }
1006                 secs_per_cylinder = ccg->heads * ccg->secs_per_track;
1007                 ccg->cylinders = ccg->volume_size / secs_per_cylinder;
1008
1009                 ccb->ccb_h.status = CAM_REQ_CMP;
1010                 xpt_done(ccb);
1011                 return;
1012         }
1013         case XPT_PATH_INQ:
1014         {
1015                 struct ccb_pathinq *cpi = &ccb->cpi;
1016
1017                 cpi->version_num = 1;
1018                 cpi->target_sprt = 0;
1019                 cpi->hba_eng_cnt = 0;
1020                 cpi->max_target = camsc->inf->TargetsPerBus;
1021                 cpi->max_lun = 8;       /* Per the controller spec */
1022                 cpi->initiator_id = camsc->inf->InitiatorBusId;
1023                 cpi->bus_id = camsc->inf->BusNumber;
1024 #if __FreeBSD_version >= 800000
1025                 cpi->maxio = sc->aac_max_sectors << 9;
1026 #endif
1027
1028                 /*
1029                  * Resetting via the passthrough or parallel bus scan
1030                  * causes problems.
1031                  */
1032                 cpi->hba_misc = PIM_NOBUSRESET;
1033                 cpi->hba_inquiry = PI_TAG_ABLE;
1034                 cpi->base_transfer_speed = 300000;
1035 #ifdef CAM_NEW_TRAN_CODE
1036                 cpi->hba_misc |= PIM_SEQSCAN;
1037                 cpi->protocol = PROTO_SCSI;
1038                 cpi->transport = XPORT_SAS;
1039                 cpi->transport_version = 0;
1040                 cpi->protocol_version = SCSI_REV_SPC2;
1041 #endif
1042                 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
1043                 strncpy(cpi->hba_vid, "PMC-Sierra", HBA_IDLEN);
1044                 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
1045                 cpi->unit_number = cam_sim_unit(sim);
1046                 ccb->ccb_h.status = CAM_REQ_CMP;
1047                 xpt_done(ccb);
1048                 return;
1049         }
1050         case XPT_GET_TRAN_SETTINGS:
1051         {
1052 #ifdef CAM_NEW_TRAN_CODE
1053                 struct ccb_trans_settings_scsi *scsi =
1054                         &ccb->cts.proto_specific.scsi;
1055                 struct ccb_trans_settings_spi *spi =
1056                         &ccb->cts.xport_specific.spi;
1057                 ccb->cts.protocol = PROTO_SCSI;
1058                 ccb->cts.protocol_version = SCSI_REV_SPC2;
1059                 ccb->cts.transport = XPORT_SAS;
1060                 ccb->cts.transport_version = 0;
1061                 scsi->valid = CTS_SCSI_VALID_TQ;
1062                 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
1063                 spi->valid |= CTS_SPI_VALID_DISC;
1064                 spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
1065 #else
1066                 ccb->cts.flags = ~(CCB_TRANS_DISC_ENB | CCB_TRANS_TAG_ENB);
1067                 ccb->cts.valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID;
1068 #endif
1069                 ccb->ccb_h.status = CAM_REQ_CMP;
1070                 xpt_done(ccb);
1071                 return;
1072         }
1073         case XPT_SET_TRAN_SETTINGS:
1074                 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1075                 xpt_done(ccb);
1076                 return;
1077         case XPT_RESET_BUS:
1078                 if (!(sc->flags & AAC_FLAGS_CAM_NORESET) &&
1079                         camsc->inf->BusType != CONTAINER_BUS) {
1080                         ccb->ccb_h.status = aac_cam_reset_bus(sim, ccb);
1081                 } else {
1082                         ccb->ccb_h.status = CAM_REQ_CMP;
1083                 }
1084                 xpt_done(ccb);
1085                 return;
1086         case XPT_RESET_DEV:
1087                 ccb->ccb_h.status = CAM_REQ_CMP;
1088                 xpt_done(ccb);
1089                 return;
1090         case XPT_ABORT:
1091                 ccb->ccb_h.status = aac_cam_abort_ccb(sim, ccb);
1092                 xpt_done(ccb);
1093                 return;
1094         case XPT_TERM_IO:
1095                 ccb->ccb_h.status = aac_cam_term_io(sim, ccb);
1096                 xpt_done(ccb);
1097                 return;
1098         default:
1099                 device_printf(sc->aac_dev, "Unsupported command 0x%x\n",
1100                     ccb->ccb_h.func_code);
1101                 ccb->ccb_h.status = CAM_PROVIDE_FAIL;
1102                 xpt_done(ccb);
1103                 return;
1104         }
1105
1106         /* Async ops that require communcation with the controller */
1107         if (camsc->inf->BusType == CONTAINER_BUS) {
1108                 u_int8_t *cmdp;
1109
1110                 if (ccb->ccb_h.flags & CAM_CDB_POINTER)
1111                         cmdp = ccb->csio.cdb_io.cdb_ptr;
1112                 else
1113                         cmdp = &ccb->csio.cdb_io.cdb_bytes[0];
1114
1115                 if (*cmdp==READ_6 || *cmdp==WRITE_6 || *cmdp==READ_10 ||
1116                         *cmdp==WRITE_10 || *cmdp==READ_12 || *cmdp==WRITE_12 ||
1117                         *cmdp==READ_16 || *cmdp==WRITE_16)
1118                         aac_container_rw_command(sim, ccb, cmdp);
1119                 else
1120                         aac_container_special_command(sim, ccb, cmdp);
1121         } else {
1122                 aac_passthrough_command(sim, ccb);
1123         }
1124 }
1125
1126 static void
1127 aac_cam_poll(struct cam_sim *sim)
1128 {
1129         /*
1130          * Pinging the interrupt routine isn't very safe, nor is it
1131          * really necessary.  Do nothing.
1132          */
1133 }
1134
1135 static void
1136 aac_container_complete(struct aac_command *cm)
1137 {
1138         struct  aac_softc *sc;
1139         union   ccb *ccb;
1140         u_int32_t status;
1141
1142         sc = cm->cm_sc;
1143         fwprintf(sc, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, "");
1144         ccb = cm->cm_ccb;
1145         status = ((u_int32_t *)cm->cm_fib->data)[0];
1146
1147         if (cm->cm_flags & AAC_CMD_RESET) {
1148                 ccb->ccb_h.status = CAM_SCSI_BUS_RESET;
1149         } else if (status == ST_OK) {
1150                 ccb->ccb_h.status = CAM_REQ_CMP;
1151         } else if (status == ST_NOT_READY) {
1152                 ccb->ccb_h.status = CAM_BUSY;
1153         } else {
1154                 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1155         }
1156
1157         aacraid_release_command(cm);
1158         xpt_done(ccb);
1159 }
1160
1161 static void
1162 aac_cam_complete(struct aac_command *cm)
1163 {
1164         union   ccb *ccb;
1165         struct  aac_srb_response *srbr;
1166         struct  aac_softc *sc;
1167
1168         sc = cm->cm_sc;
1169         fwprintf(sc, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, "");
1170         ccb = cm->cm_ccb;
1171         srbr = (struct aac_srb_response *)&cm->cm_fib->data[0];
1172
1173         if (cm->cm_flags & AAC_CMD_FASTRESP) {
1174                 /* fast response */
1175                 srbr->srb_status = CAM_REQ_CMP;
1176                 srbr->scsi_status = SCSI_STATUS_OK;
1177                 srbr->sense_len = 0;
1178         }
1179
1180         if (cm->cm_flags & AAC_CMD_RESET) {
1181                 ccb->ccb_h.status = CAM_SCSI_BUS_RESET;
1182         } else if (srbr->fib_status != 0) {
1183                 device_printf(sc->aac_dev, "Passthru FIB failed!\n");
1184                 ccb->ccb_h.status = CAM_REQ_ABORTED;
1185         } else {
1186                 /*
1187                  * The SRB error codes just happen to match the CAM error
1188                  * codes.  How convienient!
1189                  */
1190                 ccb->ccb_h.status = srbr->srb_status;
1191
1192                 /* Take care of SCSI_IO ops. */
1193                 if (ccb->ccb_h.func_code == XPT_SCSI_IO) {
1194                         u_int8_t command, device;
1195
1196                         ccb->csio.scsi_status = srbr->scsi_status;
1197
1198                         /* Take care of autosense */
1199                         if (srbr->sense_len) {
1200                                 int sense_len, scsi_sense_len;
1201
1202                                 scsi_sense_len = sizeof(struct scsi_sense_data);
1203                                 bzero(&ccb->csio.sense_data, scsi_sense_len);
1204                                 sense_len = (srbr->sense_len >
1205                                     scsi_sense_len) ? scsi_sense_len :
1206                                     srbr->sense_len;
1207                                 bcopy(&srbr->sense[0], &ccb->csio.sense_data,
1208                                     srbr->sense_len);
1209                                 ccb->csio.sense_len = sense_len;
1210                                 ccb->ccb_h.status |= CAM_AUTOSNS_VALID;
1211                                 // scsi_sense_print(&ccb->csio);
1212                         }
1213
1214                         /* If this is an inquiry command, fake things out */
1215                         if (ccb->ccb_h.flags & CAM_CDB_POINTER)
1216                                 command = ccb->csio.cdb_io.cdb_ptr[0];
1217                         else
1218                                 command = ccb->csio.cdb_io.cdb_bytes[0];
1219
1220                         if (command == INQUIRY) {
1221                                 if (ccb->ccb_h.status == CAM_REQ_CMP) {
1222                                   device = ccb->csio.data_ptr[0] & 0x1f;
1223                                   /*
1224                                    * We want DASD and PROC devices to only be
1225                                    * visible through the pass device.
1226                                    */
1227                                   if ((device == T_DIRECT &&
1228                                     !(sc->aac_feature_bits & AAC_SUPPL_SUPPORTED_JBOD)) ||
1229                                     (device == T_PROCESSOR))
1230                                     ccb->csio.data_ptr[0] =
1231                                         ((device & 0xe0) | T_NODEVICE);
1232
1233                                   /* handle phys. components of a log. drive */
1234                                   if (ccb->csio.data_ptr[0] & 0x20) {
1235                                         if (sc->hint_flags & 8) {
1236                                           /* expose phys. device (daXX) */
1237                                           ccb->csio.data_ptr[0] &= 0xdf;
1238                                         } else {
1239                                           /* phys. device only visible through pass device (passXX) */
1240                                           ccb->csio.data_ptr[0] |= 0x10;
1241                                         }
1242                                   }
1243                                 } else if (ccb->ccb_h.status == CAM_SEL_TIMEOUT &&
1244                                   ccb->ccb_h.target_lun != 0) {
1245                                   /* fix for INQUIRYs on Lun>0 */
1246                                   ccb->ccb_h.status = CAM_DEV_NOT_THERE;
1247                                 }
1248                         }
1249                 }
1250         }
1251
1252         aacraid_release_command(cm);
1253         xpt_done(ccb);
1254 }
1255
1256 static u_int32_t
1257 aac_cam_reset_bus(struct cam_sim *sim, union ccb *ccb)
1258 {
1259         struct aac_command *cm;
1260         struct aac_fib *fib;
1261         struct aac_softc *sc;
1262         struct aac_cam *camsc;
1263         struct aac_vmioctl *vmi;
1264         struct aac_resetbus *rbc;
1265         u_int32_t rval;
1266
1267         camsc = (struct aac_cam *)cam_sim_softc(sim);
1268         sc = camsc->inf->aac_sc;
1269
1270         if (sc == NULL) {
1271                 printf("aac: Null sc?\n");
1272                 return (CAM_REQ_ABORTED);
1273         }
1274
1275         if (aacraid_alloc_command(sc, &cm)) {
1276                 struct aac_event *event;
1277
1278                 xpt_freeze_simq(sim, 1);
1279                 ccb->ccb_h.status = CAM_RESRC_UNAVAIL;
1280                 ccb->ccb_h.sim_priv.entries[0].ptr = camsc;
1281                 event = malloc(sizeof(struct aac_event), M_AACRAIDCAM,
1282                         M_NOWAIT | M_ZERO);
1283                 if (event == NULL) {
1284                         device_printf(sc->aac_dev,
1285                                 "Warning, out of memory for event\n");
1286                         return (CAM_REQ_ABORTED);
1287                 }
1288                 event->ev_callback = aac_cam_event;
1289                 event->ev_arg = ccb;
1290                 event->ev_type = AAC_EVENT_CMFREE;
1291                 aacraid_add_event(sc, event);
1292                 return (CAM_REQ_ABORTED);
1293         }
1294
1295         fib = cm->cm_fib;
1296         cm->cm_timestamp = time_uptime;
1297         cm->cm_datalen = 0;
1298
1299         fib->Header.Size =
1300                 sizeof(struct aac_fib_header) + sizeof(struct aac_vmioctl);
1301         fib->Header.XferState =
1302                 AAC_FIBSTATE_HOSTOWNED   |
1303                 AAC_FIBSTATE_INITIALISED |
1304                 AAC_FIBSTATE_EMPTY       |
1305                 AAC_FIBSTATE_FROMHOST    |
1306                 AAC_FIBSTATE_REXPECTED   |
1307                 AAC_FIBSTATE_NORM        |
1308                 AAC_FIBSTATE_ASYNC       |
1309                 AAC_FIBSTATE_FAST_RESPONSE;
1310         fib->Header.Command = ContainerCommand;
1311
1312         vmi = (struct aac_vmioctl *)&fib->data[0];
1313         bzero(vmi, sizeof(struct aac_vmioctl));
1314
1315         vmi->Command = VM_Ioctl;
1316         vmi->ObjType = FT_DRIVE;
1317         vmi->MethId = sc->scsi_method_id;
1318         vmi->ObjId = 0;
1319         vmi->IoctlCmd = ResetBus;
1320
1321         rbc = (struct aac_resetbus *)&vmi->IoctlBuf[0];
1322         rbc->BusNumber = camsc->inf->BusNumber - 1;
1323
1324         if (aacraid_wait_command(cm) != 0) {
1325                 device_printf(sc->aac_dev,"Error sending ResetBus command\n");
1326                 rval = CAM_REQ_ABORTED;
1327         } else {
1328                 rval = CAM_REQ_CMP;
1329         }
1330         aacraid_release_command(cm);
1331         return (rval);
1332 }
1333
1334 static u_int32_t
1335 aac_cam_abort_ccb(struct cam_sim *sim, union ccb *ccb)
1336 {
1337         return (CAM_UA_ABORT);
1338 }
1339
1340 static u_int32_t
1341 aac_cam_term_io(struct cam_sim *sim, union ccb *ccb)
1342 {
1343         return (CAM_UA_TERMIO);
1344 }
1345
1346 static int
1347 aac_load_map_command_sg(struct aac_softc *sc, struct aac_command *cm)
1348 {
1349         int error;
1350
1351         fwprintf(sc, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, "");
1352         error = bus_dmamap_load(sc->aac_buffer_dmat,
1353                                 cm->cm_datamap, cm->cm_data, cm->cm_datalen,
1354                                 aacraid_map_command_sg, cm, 0);
1355         if (error == EINPROGRESS) {
1356                 fwprintf(sc, HBA_FLAGS_DBG_INIT_B, "freezing queue\n");
1357                 sc->flags |= AAC_QUEUE_FRZN;
1358                 error = 0;
1359         } else if (error != 0) {
1360                 panic("aac_load_map_command_sg: unexpected error %d from "
1361                         "busdma", error);
1362         }
1363         return(error);
1364 }
1365
1366 /*
1367  * Start as much queued I/O as possible on the controller
1368  */
1369 void
1370 aacraid_startio(struct aac_softc *sc)
1371 {
1372         struct aac_command *cm;
1373
1374         fwprintf(sc, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, "");
1375
1376         for (;;) {
1377                 if (sc->aac_state & AAC_STATE_RESET) {
1378                         fwprintf(sc, HBA_FLAGS_DBG_ERROR_B, "AAC_STATE_RESET");
1379                         break;
1380                 }
1381                 /*
1382                  * This flag might be set if the card is out of resources.
1383                  * Checking it here prevents an infinite loop of deferrals.
1384                  */
1385                 if (sc->flags & AAC_QUEUE_FRZN) {
1386                         fwprintf(sc, HBA_FLAGS_DBG_ERROR_B, "AAC_QUEUE_FRZN");
1387                         break;
1388                 }
1389
1390                 /*
1391                  * Try to get a command that's been put off for lack of
1392                  * resources
1393                  */
1394                 if (sc->flags & AAC_FLAGS_SYNC_MODE) {
1395                         /* sync. transfer mode */
1396                         if (sc->aac_sync_cm)
1397                                 break;
1398                         cm = aac_dequeue_ready(sc);
1399                         sc->aac_sync_cm = cm;
1400                 } else {
1401                         cm = aac_dequeue_ready(sc);
1402                 }
1403
1404                 /* nothing to do? */
1405                 if (cm == NULL)
1406                         break;
1407
1408                 /* don't map more than once */
1409                 if (cm->cm_flags & AAC_CMD_MAPPED)
1410                         panic("aac: command %p already mapped", cm);
1411
1412                 /*
1413                  * Set up the command to go to the controller.  If there are no
1414                  * data buffers associated with the command then it can bypass
1415                  * busdma.
1416                  */
1417                 if (cm->cm_datalen)
1418                         aac_load_map_command_sg(sc, cm);
1419                 else
1420                         aacraid_map_command_sg(cm, NULL, 0, 0);
1421         }
1422 }