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_cam *camsc;
 246
 247         camsc = (struct aac_cam *)device_get_softc(dev);
 248         if (!camsc->inf)
 249                 return (0);
 250         fwprintf(sc, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, "");
 251         return (0);
 252 }
 253
 254 static int
 255 aac_cam_detach(device_t dev)
 256 {
 257         struct aac_softc *sc;
 258         struct aac_cam *camsc;
 259
 260         camsc = (struct aac_cam *)device_get_softc(dev);
 261         if (!camsc->inf)
 262                 return (0);
 263         sc = camsc->inf->aac_sc;
 264         fwprintf(sc, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, "");
 265         camsc->inf->aac_cam = NULL;
 266
 267         mtx_lock(&sc->aac_io_lock);
 268
 269         xpt_async(AC_LOST_DEVICE, camsc->path, NULL);
 270         xpt_free_path(camsc->path);
 271         xpt_bus_deregister(cam_sim_path(camsc->sim));
 272         cam_sim_free(camsc->sim, /*free_devq*/TRUE);
 273
 274         sc->cam_rescan_cb = NULL;
 275
 276         mtx_unlock(&sc->aac_io_lock);
 277
 278         return (0);
 279 }
 280
 281 /*
 282  * Register the driver as a CAM SIM
 283  */
 284 static int
 285 aac_cam_attach(device_t dev)
 286 {
 287         struct cam_devq *devq;
 288         struct cam_sim *sim;
 289         struct cam_path *path;
 290         struct aac_cam *camsc;
 291         struct aac_sim *inf;
 292
 293         camsc = (struct aac_cam *)device_get_softc(dev);
 294         inf = (struct aac_sim *)device_get_ivars(dev);
 295         if (!inf)
 296                 return (EIO);
 297         fwprintf(inf->aac_sc, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, "");
 298         camsc->inf = inf;
 299         camsc->inf->aac_cam = camsc;
 300
 301         devq = cam_simq_alloc(inf->TargetsPerBus);
 302         if (devq == NULL)
 303                 return (EIO);
 304
 305         sim = aac_sim_alloc(aac_cam_action, aac_cam_poll, "aacraidp", camsc,
 306             device_get_unit(dev), &inf->aac_sc->aac_io_lock, 1, 1, devq);
 307         if (sim == NULL) {
 308                 cam_simq_free(devq);
 309                 return (EIO);
 310         }
 311
 312         /* Since every bus has it's own sim, every bus 'appears' as bus 0 */
 313         mtx_lock(&inf->aac_sc->aac_io_lock);
 314         if (aac_xpt_bus_register(sim, dev, 0) != CAM_SUCCESS) {
 315                 cam_sim_free(sim, TRUE);
 316                 mtx_unlock(&inf->aac_sc->aac_io_lock);
 317                 return (EIO);
 318         }
 319
 320         if (xpt_create_path(&path, NULL, cam_sim_path(sim),
 321             CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
 322                 xpt_bus_deregister(cam_sim_path(sim));
 323                 cam_sim_free(sim, TRUE);
 324                 mtx_unlock(&inf->aac_sc->aac_io_lock);
 325                 return (EIO);
 326         }
 327
 328 #if __FreeBSD_version >= 700000
 329         inf->aac_sc->cam_rescan_cb = aac_cam_rescan;
 330 #endif
 331         mtx_unlock(&inf->aac_sc->aac_io_lock);
 332
 333         camsc->sim = sim;
 334         camsc->path = path;
 335
 336         return (0);
 337 }
 338
 339 static u_int64_t
 340 aac_eval_blockno(u_int8_t *cmdp)
 341 {
 342         u_int64_t blockno;
 343
 344         switch (cmdp[0]) {
 345         case READ_6:
 346         case WRITE_6:
 347                 blockno = scsi_3btoul(((struct scsi_rw_6 *)cmdp)->addr);
 348                 break;
 349         case READ_10:
 350         case WRITE_10:
 351                 blockno = scsi_4btoul(((struct scsi_rw_10 *)cmdp)->addr);
 352                 break;
 353         case READ_12:
 354         case WRITE_12:
 355                 blockno = scsi_4btoul(((struct scsi_rw_12 *)cmdp)->addr);
 356                 break;
 357         case READ_16:
 358         case WRITE_16:
 359                 blockno = scsi_8btou64(((struct scsi_rw_16 *)cmdp)->addr);
 360                 break;
 361         default:
 362                 blockno = 0;
 363                 break;
 364         }
 365         return(blockno);
 366 }
 367
 368 static void
 369 aac_container_rw_command(struct cam_sim *sim, union ccb *ccb, u_int8_t *cmdp)
 370 {
 371         struct  aac_cam *camsc;
 372         struct  aac_softc *sc;
 373         struct  aac_command *cm;
 374         struct  aac_fib *fib;
 375         u_int64_t blockno;
 376
 377         camsc = (struct aac_cam *)cam_sim_softc(sim);
 378         sc = camsc->inf->aac_sc;
 379         mtx_assert(&sc->aac_io_lock, MA_OWNED);
 380
 381         if (aacraid_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_AACRAIDCAM,
 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                 aacraid_add_event(sc, event);
 398                 return;
 399         }
 400
 401         fib = cm->cm_fib;
 402         switch (ccb->ccb_h.flags & CAM_DIR_MASK) {
 403         case CAM_DIR_IN:
 404                 cm->cm_flags |= AAC_CMD_DATAIN;
 405                 break;
 406         case CAM_DIR_OUT:
 407                 cm->cm_flags |= AAC_CMD_DATAOUT;
 408                 break;
 409         case CAM_DIR_NONE:
 410                 break;
 411         default:
 412                 cm->cm_flags |= AAC_CMD_DATAIN | AAC_CMD_DATAOUT;
 413                 break;
 414         }
 415
 416         blockno = aac_eval_blockno(cmdp);
 417
 418         cm->cm_complete = aac_container_complete;
 419         cm->cm_ccb = ccb;
 420         cm->cm_timestamp = time_uptime;
 421         cm->cm_data = (void *)ccb->csio.data_ptr;
 422         cm->cm_datalen = ccb->csio.dxfer_len;
 423
 424         fib->Header.Size = sizeof(struct aac_fib_header);
 425         fib->Header.XferState =
 426                 AAC_FIBSTATE_HOSTOWNED   |
 427                 AAC_FIBSTATE_INITIALISED |
 428                 AAC_FIBSTATE_EMPTY       |
 429                 AAC_FIBSTATE_FROMHOST    |
 430                 AAC_FIBSTATE_REXPECTED   |
 431                 AAC_FIBSTATE_NORM        |
 432                 AAC_FIBSTATE_ASYNC       |
 433                 AAC_FIBSTATE_FAST_RESPONSE;
 434
 435         if (sc->flags & AAC_FLAGS_NEW_COMM_TYPE2) {
 436                 struct aac_raw_io2 *raw;
 437                 raw = (struct aac_raw_io2 *)&fib->data[0];
 438                 bzero(raw, sizeof(struct aac_raw_io2));
 439                 fib->Header.Command = RawIo2;
 440                 raw->strtBlkLow = (u_int32_t)blockno;
 441                 raw->strtBlkHigh = (u_int32_t)(blockno >> 32);
 442                 raw->byteCnt = cm->cm_datalen;
 443                 raw->ldNum = ccb->ccb_h.target_id;
 444                 fib->Header.Size += sizeof(struct aac_raw_io2);
 445                 cm->cm_sgtable = (struct aac_sg_table *)raw->sge;
 446                 if (cm->cm_flags & AAC_CMD_DATAIN)
 447                         raw->flags = RIO2_IO_TYPE_READ | RIO2_SG_FORMAT_IEEE1212;
 448                 else
 449                         raw->flags = RIO2_IO_TYPE_WRITE | RIO2_SG_FORMAT_IEEE1212;
 450         } else if (sc->flags & AAC_FLAGS_RAW_IO) {
 451                 struct aac_raw_io *raw;
 452                 raw = (struct aac_raw_io *)&fib->data[0];
 453                 bzero(raw, sizeof(struct aac_raw_io));
 454                 fib->Header.Command = RawIo;
 455                 raw->BlockNumber = blockno;
 456                 raw->ByteCount = cm->cm_datalen;
 457                 raw->ContainerId = ccb->ccb_h.target_id;
 458                 fib->Header.Size += sizeof(struct aac_raw_io);
 459                 cm->cm_sgtable = (struct aac_sg_table *)
 460                         &raw->SgMapRaw;
 461                 if (cm->cm_flags & AAC_CMD_DATAIN)
 462                         raw->Flags = 1;
 463         } else if ((sc->flags & AAC_FLAGS_SG_64BIT) == 0) {
 464                 fib->Header.Command = ContainerCommand;
 465                 if (cm->cm_flags & AAC_CMD_DATAIN) {
 466                         struct aac_blockread *br;
 467                         br = (struct aac_blockread *)&fib->data[0];
 468                         br->Command = VM_CtBlockRead;
 469                         br->ContainerId = ccb->ccb_h.target_id;
 470                         br->BlockNumber = blockno;
 471                         br->ByteCount = cm->cm_datalen;
 472                         fib->Header.Size += sizeof(struct aac_blockread);
 473                         cm->cm_sgtable = &br->SgMap;
 474                 } else {
 475                         struct aac_blockwrite *bw;
 476                         bw = (struct aac_blockwrite *)&fib->data[0];
 477                         bw->Command = VM_CtBlockWrite;
 478                         bw->ContainerId = ccb->ccb_h.target_id;
 479                         bw->BlockNumber = blockno;
 480                         bw->ByteCount = cm->cm_datalen;
 481                         bw->Stable = CUNSTABLE;
 482                         fib->Header.Size += sizeof(struct aac_blockwrite);
 483                         cm->cm_sgtable = &bw->SgMap;
 484                 }
 485         } else {
 486                 fib->Header.Command = ContainerCommand64;
 487                 if (cm->cm_flags & AAC_CMD_DATAIN) {
 488                         struct aac_blockread64 *br;
 489                         br = (struct aac_blockread64 *)&fib->data[0];
 490                         br->Command = VM_CtHostRead64;
 491                         br->ContainerId = ccb->ccb_h.target_id;
 492                         br->SectorCount = cm->cm_datalen/AAC_BLOCK_SIZE;
 493                         br->BlockNumber = blockno;
 494                         br->Pad = 0;
 495                         br->Flags = 0;
 496                         fib->Header.Size += sizeof(struct aac_blockread64);
 497                         cm->cm_sgtable = (struct aac_sg_table *)&br->SgMap64;
 498                 } else {
 499                         struct aac_blockwrite64 *bw;
 500                         bw = (struct aac_blockwrite64 *)&fib->data[0];
 501                         bw->Command = VM_CtHostWrite64;
 502                         bw->ContainerId = ccb->ccb_h.target_id;
 503                         bw->SectorCount = cm->cm_datalen/AAC_BLOCK_SIZE;
 504                         bw->BlockNumber = blockno;
 505                         bw->Pad = 0;
 506                         bw->Flags = 0;
 507                         fib->Header.Size += sizeof(struct aac_blockwrite64);
 508                         cm->cm_sgtable = (struct aac_sg_table *)&bw->SgMap64;
 509                 }
 510         }
 511         aac_enqueue_ready(cm);
 512         aacraid_startio(cm->cm_sc);
 513 }
 514
 515 static void
 516 aac_container_special_command(struct cam_sim *sim, union ccb *ccb,
 517         u_int8_t *cmdp)
 518 {
 519         struct  aac_cam *camsc;
 520         struct  aac_softc *sc;
 521         struct  aac_container *co;
 522
 523         camsc = (struct aac_cam *)cam_sim_softc(sim);
 524         sc = camsc->inf->aac_sc;
 525         mtx_assert(&sc->aac_io_lock, MA_OWNED);
 526
 527         TAILQ_FOREACH(co, &sc->aac_container_tqh, co_link) {
 528                 fwprintf(sc, HBA_FLAGS_DBG_ERROR_B, "found container %d search for %d", co->co_mntobj.ObjectId, ccb->ccb_h.target_id);
 529                 if (co->co_mntobj.ObjectId == ccb->ccb_h.target_id)
 530                         break;
 531         }
 532         if (co == NULL || ccb->ccb_h.target_lun != 0) {
 533                 fwprintf(sc, HBA_FLAGS_DBG_ERROR_B,
 534                         "Container not present: cmd 0x%x id %d lun %d len %d",
 535                         *cmdp, ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
 536                         ccb->csio.dxfer_len);
 537                 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
 538                 xpt_done(ccb);
 539                 return;
 540         }
 541
 542         if (ccb->csio.dxfer_len)
 543                 bzero(ccb->csio.data_ptr, ccb->csio.dxfer_len);
 544
 545         switch (*cmdp) {
 546         case INQUIRY:
 547         {
 548                 struct scsi_inquiry *inq = (struct scsi_inquiry *)cmdp;
 549
 550                 fwprintf(sc, HBA_FLAGS_DBG_COMM_B,
 551                 "Container INQUIRY id %d lun %d len %d VPD 0x%x Page 0x%x",
 552                         ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
 553                         ccb->csio.dxfer_len, inq->byte2, inq->page_code);
 554                 if (!(inq->byte2 & SI_EVPD)) {
 555                         struct scsi_inquiry_data *p =
 556                                 (struct scsi_inquiry_data *)ccb->csio.data_ptr;
 557                         if (inq->page_code != 0) {
 558                                 aac_set_scsi_error(sc, ccb,
 559                                         SCSI_STATUS_CHECK_COND,
 560                                         SSD_KEY_ILLEGAL_REQUEST, 0x24, 0x00);
 561                                 xpt_done(ccb);
 562                                 return;
 563                         }
 564                         p->device = T_DIRECT;
 565                         p->version = SCSI_REV_SPC2;
 566                         p->response_format = 2;
 567                         if (ccb->csio.dxfer_len >= 36) {
 568                                 p->additional_length = 31;
 569                                 p->flags = SID_WBus16|SID_Sync|SID_CmdQue;
 570                                 /* OEM Vendor defines */
 571                                 strcpy(p->vendor,"Adaptec ");
 572                                 strcpy(p->product,"Array           ");
 573                                 strcpy(p->revision,"V1.0");
 574                         }
 575                 } else {
 576                         if (inq->page_code == SVPD_SUPPORTED_PAGE_LIST) {
 577                                 struct scsi_vpd_supported_page_list *p =
 578                                         (struct scsi_vpd_supported_page_list *)
 579                                         ccb->csio.data_ptr;
 580                                 p->device = T_DIRECT;
 581                                 p->page_code = SVPD_SUPPORTED_PAGE_LIST;
 582                                 p->length = 2;
 583                                 p->list[0] = SVPD_SUPPORTED_PAGE_LIST;
 584                                 p->list[1] = SVPD_UNIT_SERIAL_NUMBER;
 585                         } else if (inq->page_code == SVPD_UNIT_SERIAL_NUMBER) {
 586                                 struct scsi_vpd_unit_serial_number *p =
 587                                         (struct scsi_vpd_unit_serial_number *)
 588                                         ccb->csio.data_ptr;
 589                                 p->device = T_DIRECT;
 590                                 p->page_code = SVPD_UNIT_SERIAL_NUMBER;
 591                                 p->length = sprintf((char *)p->serial_num,
 592                                         "%08X%02X", co->co_uid,
 593                                         ccb->ccb_h.target_id);
 594                         } else {
 595                                 aac_set_scsi_error(sc, ccb,
 596                                         SCSI_STATUS_CHECK_COND,
 597                                         SSD_KEY_ILLEGAL_REQUEST, 0x24, 0x00);
 598                                 xpt_done(ccb);
 599                                 return;
 600                         }
 601                 }
 602                 ccb->ccb_h.status = CAM_REQ_CMP;
 603                 break;
 604         }
 605
 606         case REPORT_LUNS:
 607                 fwprintf(sc, HBA_FLAGS_DBG_COMM_B,
 608                 "Container REPORT_LUNS id %d lun %d len %d",
 609                 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
 610                 ccb->csio.dxfer_len);
 611                 ccb->ccb_h.status = CAM_REQ_CMP;
 612                 break;
 613
 614         case START_STOP:
 615         {
 616                 struct scsi_start_stop_unit *ss =
 617                         (struct scsi_start_stop_unit *)cmdp;
 618                 fwprintf(sc, HBA_FLAGS_DBG_COMM_B,
 619                 "Container START_STOP id %d lun %d len %d",
 620                 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
 621                 ccb->csio.dxfer_len);
 622                 if (sc->aac_support_opt2 & AAC_SUPPORTED_POWER_MANAGEMENT) {
 623                         struct aac_command *cm;
 624                         struct aac_fib *fib;
 625                         struct aac_cnt_config *ccfg;
 626
 627                         if (aacraid_alloc_command(sc, &cm)) {
 628                                 struct aac_event *event;
 629
 630                                 xpt_freeze_simq(sim, 1);
 631                                 ccb->ccb_h.status = CAM_RESRC_UNAVAIL;
 632                                 ccb->ccb_h.sim_priv.entries[0].ptr = camsc;
 633                                 event = malloc(sizeof(struct aac_event), M_AACRAIDCAM,
 634                                         M_NOWAIT | M_ZERO);
 635                                 if (event == NULL) {
 636                                         device_printf(sc->aac_dev,
 637                                                 "Warning, out of memory for event\n");
 638                                         return;
 639                                 }
 640                                 event->ev_callback = aac_cam_event;
 641                                 event->ev_arg = ccb;
 642                                 event->ev_type = AAC_EVENT_CMFREE;
 643                                 aacraid_add_event(sc, event);
 644                                 return;
 645                         }
 646
 647                         fib = cm->cm_fib;
 648                         cm->cm_timestamp = time_uptime;
 649                         cm->cm_datalen = 0;
 650
 651                         fib->Header.Size =
 652                                 sizeof(struct aac_fib_header) + sizeof(struct aac_cnt_config);
 653                         fib->Header.XferState =
 654                                 AAC_FIBSTATE_HOSTOWNED   |
 655                                 AAC_FIBSTATE_INITIALISED |
 656                                 AAC_FIBSTATE_EMPTY       |
 657                                 AAC_FIBSTATE_FROMHOST    |
 658                                 AAC_FIBSTATE_REXPECTED   |
 659                                 AAC_FIBSTATE_NORM        |
 660                                 AAC_FIBSTATE_ASYNC       |
 661                                 AAC_FIBSTATE_FAST_RESPONSE;
 662                         fib->Header.Command = ContainerCommand;
 663
 664                         /* Start unit */
 665                         ccfg = (struct aac_cnt_config *)&fib->data[0];
 666                         bzero(ccfg, sizeof (*ccfg) - CT_PACKET_SIZE);
 667                         ccfg->Command = VM_ContainerConfig;
 668                         ccfg->CTCommand.command = CT_PM_DRIVER_SUPPORT;
 669                         ccfg->CTCommand.param[0] = (ss->how & SSS_START ?
 670                                 AAC_PM_DRIVERSUP_START_UNIT :
 671                                 AAC_PM_DRIVERSUP_STOP_UNIT);
 672                         ccfg->CTCommand.param[1] = co->co_mntobj.ObjectId;
 673                         ccfg->CTCommand.param[2] = 0;   /* 1 - immediate */
 674
 675                         if (aacraid_wait_command(cm) != 0 ||
 676                                 *(u_int32_t *)&fib->data[0] != 0) {
 677                                 printf("Power Management: Error start/stop container %d\n",
 678                                 co->co_mntobj.ObjectId);
 679                         }
 680                         aacraid_release_command(cm);
 681                 }
 682                 ccb->ccb_h.status = CAM_REQ_CMP;
 683                 break;
 684         }
 685
 686         case TEST_UNIT_READY:
 687                 fwprintf(sc, HBA_FLAGS_DBG_COMM_B,
 688                 "Container TEST_UNIT_READY id %d lun %d len %d",
 689                 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
 690                 ccb->csio.dxfer_len);
 691                 ccb->ccb_h.status = CAM_REQ_CMP;
 692                 break;
 693
 694         case REQUEST_SENSE:
 695                 fwprintf(sc, HBA_FLAGS_DBG_COMM_B,
 696                 "Container REQUEST_SENSE id %d lun %d len %d",
 697                 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
 698                 ccb->csio.dxfer_len);
 699                 ccb->ccb_h.status = CAM_REQ_CMP;
 700                 break;
 701
 702         case READ_CAPACITY:
 703         {
 704                 struct scsi_read_capacity_data *p =
 705                         (struct scsi_read_capacity_data *)ccb->csio.data_ptr;
 706                 fwprintf(sc, HBA_FLAGS_DBG_COMM_B,
 707                 "Container READ_CAPACITY id %d lun %d len %d",
 708                 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
 709                 ccb->csio.dxfer_len);
 710                 scsi_ulto4b(co->co_mntobj.ObjExtension.BlockDevice.BlockSize, p->length);
 711                 /* check if greater than 2TB */
 712                 if (co->co_mntobj.CapacityHigh) {
 713                         if (sc->flags & AAC_FLAGS_LBA_64BIT)
 714                                 scsi_ulto4b(0xffffffff, p->addr);
 715                 } else {
 716                         scsi_ulto4b(co->co_mntobj.Capacity-1, p->addr);
 717                 }
 718                 ccb->ccb_h.status = CAM_REQ_CMP;
 719                 break;
 720         }
 721
 722         case SERVICE_ACTION_IN:
 723         {
 724                 struct scsi_read_capacity_data_long *p =
 725                         (struct scsi_read_capacity_data_long *)
 726                         ccb->csio.data_ptr;
 727                 fwprintf(sc, HBA_FLAGS_DBG_COMM_B,
 728                 "Container SERVICE_ACTION_IN id %d lun %d len %d",
 729                 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
 730                 ccb->csio.dxfer_len);
 731                 if (((struct scsi_read_capacity_16 *)cmdp)->service_action !=
 732                         SRC16_SERVICE_ACTION) {
 733                         aac_set_scsi_error(sc, ccb, SCSI_STATUS_CHECK_COND,
 734                                 SSD_KEY_ILLEGAL_REQUEST, 0x24, 0x00);
 735                         xpt_done(ccb);
 736                         return;
 737                 }
 738                 scsi_ulto4b(co->co_mntobj.ObjExtension.BlockDevice.BlockSize, p->length);
 739                 scsi_ulto4b(co->co_mntobj.CapacityHigh, p->addr);
 740                 scsi_ulto4b(co->co_mntobj.Capacity-1, &p->addr[4]);
 741
 742                 if (ccb->csio.dxfer_len >= 14) {
 743                         u_int32_t mapping = co->co_mntobj.ObjExtension.BlockDevice.bdLgclPhysMap;
 744                         p->prot_lbppbe = 0;
 745                         while (mapping > 1) {
 746                                 mapping >>= 1;
 747                                 p->prot_lbppbe++;
 748                         }
 749                         p->prot_lbppbe &= 0x0f;
 750                 }
 751
 752                 ccb->ccb_h.status = CAM_REQ_CMP;
 753                 break;
 754         }
 755
 756         case MODE_SENSE_6:
 757         {
 758                 struct scsi_mode_sense_6 *msp =(struct scsi_mode_sense_6 *)cmdp;
 759                 struct ms6_data {
 760                         struct scsi_mode_hdr_6 hd;
 761                         struct scsi_mode_block_descr bd;
 762                         char pages;
 763                 } *p = (struct ms6_data *)ccb->csio.data_ptr;
 764                 char *pagep;
 765                 int return_all_pages = FALSE;
 766
 767                 fwprintf(sc, HBA_FLAGS_DBG_COMM_B,
 768                 "Container MODE_SENSE id %d lun %d len %d page %d",
 769                 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
 770                 ccb->csio.dxfer_len, msp->page);
 771                 p->hd.datalen = sizeof(struct scsi_mode_hdr_6) - 1;
 772                 if (co->co_mntobj.ContentState & AAC_FSCS_READONLY)
 773                         p->hd.dev_specific = 0x80;      /* WP */
 774                 p->hd.dev_specific |= 0x10;     /* DPOFUA */
 775                 if (msp->byte2 & SMS_DBD) {
 776                         p->hd.block_descr_len = 0;
 777                 } else {
 778                         p->hd.block_descr_len =
 779                                 sizeof(struct scsi_mode_block_descr);
 780                         p->hd.datalen += p->hd.block_descr_len;
 781                         scsi_ulto3b(co->co_mntobj.ObjExtension.BlockDevice.BlockSize, p->bd.block_len);
 782                         if (co->co_mntobj.Capacity > 0xffffff ||
 783                                 co->co_mntobj.CapacityHigh) {
 784                                 p->bd.num_blocks[0] = 0xff;
 785                                 p->bd.num_blocks[1] = 0xff;
 786                                 p->bd.num_blocks[2] = 0xff;
 787                         } else {
 788                                 p->bd.num_blocks[0] = (u_int8_t)
 789                                         (co->co_mntobj.Capacity >> 16);
 790                                 p->bd.num_blocks[1] = (u_int8_t)
 791                                         (co->co_mntobj.Capacity >> 8);
 792                                 p->bd.num_blocks[2] = (u_int8_t)
 793                                         (co->co_mntobj.Capacity);
 794                         }
 795                 }
 796                 pagep = &p->pages;
 797                 switch (msp->page & SMS_PAGE_CODE) {
 798                 case SMS_ALL_PAGES_PAGE:
 799                         return_all_pages = TRUE;
 800                 case SMS_CONTROL_MODE_PAGE:
 801                 {
 802                         struct scsi_control_page *cp =
 803                                 (struct scsi_control_page *)pagep;
 804
 805                         if (ccb->csio.dxfer_len <= p->hd.datalen + 8) {
 806                                 aac_set_scsi_error(sc, ccb,
 807                                         SCSI_STATUS_CHECK_COND,
 808                                         SSD_KEY_ILLEGAL_REQUEST, 0x24, 0x00);
 809                                 xpt_done(ccb);
 810                                 return;
 811                         }
 812                         cp->page_code = SMS_CONTROL_MODE_PAGE;
 813                         cp->page_length = 6;
 814                         p->hd.datalen += 8;
 815                         pagep += 8;
 816                         if (!return_all_pages)
 817                                 break;
 818                 }
 819                 case SMS_VENDOR_SPECIFIC_PAGE:
 820                         break;
 821                 default:
 822                         aac_set_scsi_error(sc, ccb, SCSI_STATUS_CHECK_COND,
 823                                 SSD_KEY_ILLEGAL_REQUEST, 0x24, 0x00);
 824                         xpt_done(ccb);
 825                         return;
 826                 }
 827                 ccb->ccb_h.status = CAM_REQ_CMP;
 828                 break;
 829         }
 830
 831         case SYNCHRONIZE_CACHE:
 832                 fwprintf(sc, HBA_FLAGS_DBG_COMM_B,
 833                 "Container SYNCHRONIZE_CACHE id %d lun %d len %d",
 834                 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
 835                 ccb->csio.dxfer_len);
 836                 ccb->ccb_h.status = CAM_REQ_CMP;
 837                 break;
 838
 839         default:
 840                 fwprintf(sc, HBA_FLAGS_DBG_ERROR_B,
 841                 "Container unsupp. cmd 0x%x id %d lun %d len %d",
 842                 *cmdp, ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
 843                 ccb->csio.dxfer_len);
 844                 ccb->ccb_h.status = CAM_REQ_CMP; /*CAM_REQ_INVALID*/
 845                 break;
 846         }
 847         xpt_done(ccb);
 848 }
 849
 850 static void
 851 aac_passthrough_command(struct cam_sim *sim, union ccb *ccb)
 852 {
 853         struct  aac_cam *camsc;
 854         struct  aac_softc *sc;
 855         struct  aac_command *cm;
 856         struct  aac_fib *fib;
 857         struct  aac_srb *srb;
 858
 859         camsc = (struct aac_cam *)cam_sim_softc(sim);
 860         sc = camsc->inf->aac_sc;
 861         mtx_assert(&sc->aac_io_lock, MA_OWNED);
 862
 863         if (aacraid_alloc_command(sc, &cm)) {
 864                 struct aac_event *event;
 865
 866                 xpt_freeze_simq(sim, 1);
 867                 ccb->ccb_h.status = CAM_RESRC_UNAVAIL;
 868                 ccb->ccb_h.sim_priv.entries[0].ptr = camsc;
 869                 event = malloc(sizeof(struct aac_event), M_AACRAIDCAM,
 870                     M_NOWAIT | M_ZERO);
 871                 if (event == NULL) {
 872                         device_printf(sc->aac_dev,
 873                             "Warning, out of memory for event\n");
 874                         return;
 875                 }
 876                 event->ev_callback = aac_cam_event;
 877                 event->ev_arg = ccb;
 878                 event->ev_type = AAC_EVENT_CMFREE;
 879                 aacraid_add_event(sc, event);
 880                 return;
 881         }
 882
 883         fib = cm->cm_fib;
 884         switch (ccb->ccb_h.flags & CAM_DIR_MASK) {
 885         case CAM_DIR_IN:
 886                 cm->cm_flags |= AAC_CMD_DATAIN;
 887                 break;
 888         case CAM_DIR_OUT:
 889                 cm->cm_flags |= AAC_CMD_DATAOUT;
 890                 break;
 891         case CAM_DIR_NONE:
 892                 break;
 893         default:
 894                 cm->cm_flags |= AAC_CMD_DATAIN | AAC_CMD_DATAOUT;
 895                 break;
 896         }
 897
 898         srb = (struct aac_srb *)&fib->data[0];
 899         srb->function = AAC_SRB_FUNC_EXECUTE_SCSI;
 900         if (cm->cm_flags & (AAC_CMD_DATAIN|AAC_CMD_DATAOUT))
 901                 srb->flags = AAC_SRB_FLAGS_UNSPECIFIED_DIRECTION;
 902         if (cm->cm_flags & AAC_CMD_DATAIN)
 903                 srb->flags = AAC_SRB_FLAGS_DATA_IN;
 904         else if (cm->cm_flags & AAC_CMD_DATAOUT)
 905                 srb->flags = AAC_SRB_FLAGS_DATA_OUT;
 906         else
 907                 srb->flags = AAC_SRB_FLAGS_NO_DATA_XFER;
 908
 909         /*
 910          * Copy the CDB into the SRB.  It's only 6-16 bytes,
 911          * so a copy is not too expensive.
 912          */
 913         srb->cdb_len = ccb->csio.cdb_len;
 914         if (ccb->ccb_h.flags & CAM_CDB_POINTER)
 915                 bcopy(ccb->csio.cdb_io.cdb_ptr, (u_int8_t *)&srb->cdb[0],
 916                         srb->cdb_len);
 917         else
 918                 bcopy(ccb->csio.cdb_io.cdb_bytes, (u_int8_t *)&srb->cdb[0],
 919                         srb->cdb_len);
 920
 921         /* Set command */
 922         fib->Header.Command = (sc->flags & AAC_FLAGS_SG_64BIT) ?
 923                 ScsiPortCommandU64 : ScsiPortCommand;
 924         fib->Header.Size = sizeof(struct aac_fib_header) +
 925                         sizeof(struct aac_srb);
 926
 927         /* Map the s/g list */
 928         cm->cm_sgtable = &srb->sg_map;
 929         if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
 930                 /*
 931                  * Arrange things so that the S/G
 932                  * map will get set up automagically
 933                  */
 934                 cm->cm_data = (void *)ccb->csio.data_ptr;
 935                 cm->cm_datalen = ccb->csio.dxfer_len;
 936                 srb->data_len = ccb->csio.dxfer_len;
 937         } else {
 938                 cm->cm_data = NULL;
 939                 cm->cm_datalen = 0;
 940                 srb->data_len = 0;
 941         }
 942
 943         srb->bus = camsc->inf->BusNumber - 1; /* Bus no. rel. to the card */
 944         srb->target = ccb->ccb_h.target_id;
 945         srb->lun = ccb->ccb_h.target_lun;
 946         srb->timeout = ccb->ccb_h.timeout;      /* XXX */
 947         srb->retry_limit = 0;
 948
 949         cm->cm_complete = aac_cam_complete;
 950         cm->cm_ccb = ccb;
 951         cm->cm_timestamp = time_uptime;
 952
 953         fib->Header.XferState =
 954                         AAC_FIBSTATE_HOSTOWNED  |
 955                         AAC_FIBSTATE_INITIALISED        |
 956                         AAC_FIBSTATE_FROMHOST   |
 957                         AAC_FIBSTATE_REXPECTED  |
 958                         AAC_FIBSTATE_NORM       |
 959                         AAC_FIBSTATE_ASYNC       |
 960                         AAC_FIBSTATE_FAST_RESPONSE;
 961
 962         aac_enqueue_ready(cm);
 963         aacraid_startio(cm->cm_sc);
 964 }
 965
 966 static void
 967 aac_cam_action(struct cam_sim *sim, union ccb *ccb)
 968 {
 969         struct  aac_cam *camsc;
 970         struct  aac_softc *sc;
 971
 972         camsc = (struct aac_cam *)cam_sim_softc(sim);
 973         sc = camsc->inf->aac_sc;
 974         fwprintf(sc, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, "");
 975         mtx_assert(&sc->aac_io_lock, MA_OWNED);
 976
 977         /* Synchronous ops, and ops that don't require communication with the
 978          * controller */
 979         switch(ccb->ccb_h.func_code) {
 980         case XPT_SCSI_IO:
 981                 /* This is handled down below */
 982                 break;
 983         case XPT_CALC_GEOMETRY:
 984         {
 985                 struct ccb_calc_geometry *ccg;
 986                 u_int32_t size_mb;
 987                 u_int32_t secs_per_cylinder;
 988
 989                 ccg = &ccb->ccg;
 990                 size_mb = ccg->volume_size /
 991                     ((1024L * 1024L) / ccg->block_size);
 992                 if (size_mb >= (2 * 1024)) {            /* 2GB */
 993                         ccg->heads = 255;
 994                         ccg->secs_per_track = 63;
 995                 } else if (size_mb >= (1 * 1024)) {     /* 1GB */
 996                         ccg->heads = 128;
 997                         ccg->secs_per_track = 32;
 998                 } else {
 999                         ccg->heads = 64;
1000                         ccg->secs_per_track = 32;
1001                 }
1002                 secs_per_cylinder = ccg->heads * ccg->secs_per_track;
1003                 ccg->cylinders = ccg->volume_size / secs_per_cylinder;
1004
1005                 ccb->ccb_h.status = CAM_REQ_CMP;
1006                 xpt_done(ccb);
1007                 return;
1008         }
1009         case XPT_PATH_INQ:
1010         {
1011                 struct ccb_pathinq *cpi = &ccb->cpi;
1012
1013                 cpi->version_num = 1;
1014                 cpi->target_sprt = 0;
1015                 cpi->hba_eng_cnt = 0;
1016                 cpi->max_target = camsc->inf->TargetsPerBus;
1017                 cpi->max_lun = 8;       /* Per the controller spec */
1018                 cpi->initiator_id = camsc->inf->InitiatorBusId;
1019                 cpi->bus_id = camsc->inf->BusNumber;
1020 #if __FreeBSD_version >= 800000
1021                 cpi->maxio = sc->aac_max_sectors << 9;
1022 #endif
1023
1024                 /*
1025                  * Resetting via the passthrough or parallel bus scan
1026                  * causes problems.
1027                  */
1028                 cpi->hba_misc = PIM_NOBUSRESET;
1029                 cpi->hba_inquiry = PI_TAG_ABLE;
1030                 cpi->base_transfer_speed = 300000;
1031 #ifdef CAM_NEW_TRAN_CODE
1032                 cpi->hba_misc |= PIM_SEQSCAN;
1033                 cpi->protocol = PROTO_SCSI;
1034                 cpi->transport = XPORT_SAS;
1035                 cpi->transport_version = 0;
1036                 cpi->protocol_version = SCSI_REV_SPC2;
1037 #endif
1038                 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
1039                 strncpy(cpi->hba_vid, "PMC-Sierra", HBA_IDLEN);
1040                 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
1041                 cpi->unit_number = cam_sim_unit(sim);
1042                 ccb->ccb_h.status = CAM_REQ_CMP;
1043                 xpt_done(ccb);
1044                 return;
1045         }
1046         case XPT_GET_TRAN_SETTINGS:
1047         {
1048 #ifdef CAM_NEW_TRAN_CODE
1049                 struct ccb_trans_settings_scsi *scsi =
1050                         &ccb->cts.proto_specific.scsi;
1051                 struct ccb_trans_settings_spi *spi =
1052                         &ccb->cts.xport_specific.spi;
1053                 ccb->cts.protocol = PROTO_SCSI;
1054                 ccb->cts.protocol_version = SCSI_REV_SPC2;
1055                 ccb->cts.transport = XPORT_SAS;
1056                 ccb->cts.transport_version = 0;
1057                 scsi->valid = CTS_SCSI_VALID_TQ;
1058                 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
1059                 spi->valid |= CTS_SPI_VALID_DISC;
1060                 spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
1061 #else
1062                 ccb->cts.flags = ~(CCB_TRANS_DISC_ENB | CCB_TRANS_TAG_ENB);
1063                 ccb->cts.valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID;
1064 #endif
1065                 ccb->ccb_h.status = CAM_REQ_CMP;
1066                 xpt_done(ccb);
1067                 return;
1068         }
1069         case XPT_SET_TRAN_SETTINGS:
1070                 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1071                 xpt_done(ccb);
1072                 return;
1073         case XPT_RESET_BUS:
1074                 if (!(sc->flags & AAC_FLAGS_CAM_NORESET) &&
1075                         camsc->inf->BusType != CONTAINER_BUS) {
1076                         ccb->ccb_h.status = aac_cam_reset_bus(sim, ccb);
1077                 } else {
1078                         ccb->ccb_h.status = CAM_REQ_CMP;
1079                 }
1080                 xpt_done(ccb);
1081                 return;
1082         case XPT_RESET_DEV:
1083                 ccb->ccb_h.status = CAM_REQ_CMP;
1084                 xpt_done(ccb);
1085                 return;
1086         case XPT_ABORT:
1087                 ccb->ccb_h.status = aac_cam_abort_ccb(sim, ccb);
1088                 xpt_done(ccb);
1089                 return;
1090         case XPT_TERM_IO:
1091                 ccb->ccb_h.status = aac_cam_term_io(sim, ccb);
1092                 xpt_done(ccb);
1093                 return;
1094         default:
1095                 device_printf(sc->aac_dev, "Unsupported command 0x%x\n",
1096                     ccb->ccb_h.func_code);
1097                 ccb->ccb_h.status = CAM_PROVIDE_FAIL;
1098                 xpt_done(ccb);
1099                 return;
1100         }
1101
1102         /* Async ops that require communcation with the controller */
1103         if (camsc->inf->BusType == CONTAINER_BUS) {
1104                 u_int8_t *cmdp;
1105
1106                 if (ccb->ccb_h.flags & CAM_CDB_POINTER)
1107                         cmdp = ccb->csio.cdb_io.cdb_ptr;
1108                 else
1109                         cmdp = &ccb->csio.cdb_io.cdb_bytes[0];
1110
1111                 if (*cmdp==READ_6 || *cmdp==WRITE_6 || *cmdp==READ_10 ||
1112                         *cmdp==WRITE_10 || *cmdp==READ_12 || *cmdp==WRITE_12 ||
1113                         *cmdp==READ_16 || *cmdp==WRITE_16)
1114                         aac_container_rw_command(sim, ccb, cmdp);
1115                 else
1116                         aac_container_special_command(sim, ccb, cmdp);
1117         } else {
1118                 aac_passthrough_command(sim, ccb);
1119         }
1120 }
1121
1122 static void
1123 aac_cam_poll(struct cam_sim *sim)
1124 {
1125         /*
1126          * Pinging the interrupt routine isn't very safe, nor is it
1127          * really necessary.  Do nothing.
1128          */
1129 }
1130
1131 static void
1132 aac_container_complete(struct aac_command *cm)
1133 {
1134         union   ccb *ccb;
1135         u_int32_t status;
1136
1137         fwprintf(sc, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, "");
1138         ccb = cm->cm_ccb;
1139         status = ((u_int32_t *)cm->cm_fib->data)[0];
1140
1141         if (cm->cm_flags & AAC_CMD_RESET) {
1142                 ccb->ccb_h.status = CAM_SCSI_BUS_RESET;
1143         } else if (status == ST_OK) {
1144                 ccb->ccb_h.status = CAM_REQ_CMP;
1145         } else if (status == ST_NOT_READY) {
1146                 ccb->ccb_h.status = CAM_BUSY;
1147         } else {
1148                 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1149         }
1150
1151         aacraid_release_command(cm);
1152         xpt_done(ccb);
1153 }
1154
1155 static void
1156 aac_cam_complete(struct aac_command *cm)
1157 {
1158         union   ccb *ccb;
1159         struct  aac_srb_response *srbr;
1160         struct  aac_softc *sc;
1161
1162         sc = cm->cm_sc;
1163         fwprintf(sc, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, "");
1164         ccb = cm->cm_ccb;
1165         srbr = (struct aac_srb_response *)&cm->cm_fib->data[0];
1166
1167         if (cm->cm_flags & AAC_CMD_FASTRESP) {
1168                 /* fast response */
1169                 srbr->srb_status = CAM_REQ_CMP;
1170                 srbr->scsi_status = SCSI_STATUS_OK;
1171                 srbr->sense_len = 0;
1172         }
1173
1174         if (cm->cm_flags & AAC_CMD_RESET) {
1175                 ccb->ccb_h.status = CAM_SCSI_BUS_RESET;
1176         } else if (srbr->fib_status != 0) {
1177                 device_printf(sc->aac_dev, "Passthru FIB failed!\n");
1178                 ccb->ccb_h.status = CAM_REQ_ABORTED;
1179         } else {
1180                 /*
1181                  * The SRB error codes just happen to match the CAM error
1182                  * codes.  How convienient!
1183                  */
1184                 ccb->ccb_h.status = srbr->srb_status;
1185
1186                 /* Take care of SCSI_IO ops. */
1187                 if (ccb->ccb_h.func_code == XPT_SCSI_IO) {
1188                         u_int8_t command, device;
1189
1190                         ccb->csio.scsi_status = srbr->scsi_status;
1191
1192                         /* Take care of autosense */
1193                         if (srbr->sense_len) {
1194                                 int sense_len, scsi_sense_len;
1195
1196                                 scsi_sense_len = sizeof(struct scsi_sense_data);
1197                                 bzero(&ccb->csio.sense_data, scsi_sense_len);
1198                                 sense_len = (srbr->sense_len >
1199                                     scsi_sense_len) ? scsi_sense_len :
1200                                     srbr->sense_len;
1201                                 bcopy(&srbr->sense[0], &ccb->csio.sense_data,
1202                                     srbr->sense_len);
1203                                 ccb->csio.sense_len = sense_len;
1204                                 ccb->ccb_h.status |= CAM_AUTOSNS_VALID;
1205                                 // scsi_sense_print(&ccb->csio);
1206                         }
1207
1208                         /* If this is an inquiry command, fake things out */
1209                         if (ccb->ccb_h.flags & CAM_CDB_POINTER)
1210                                 command = ccb->csio.cdb_io.cdb_ptr[0];
1211                         else
1212                                 command = ccb->csio.cdb_io.cdb_bytes[0];
1213
1214                         if (command == INQUIRY) {
1215                                 if (ccb->ccb_h.status == CAM_REQ_CMP) {
1216                                   device = ccb->csio.data_ptr[0] & 0x1f;
1217                                   /*
1218                                    * We want DASD and PROC devices to only be
1219                                    * visible through the pass device.
1220                                    */
1221                                   if ((device == T_DIRECT &&
1222                                     !(sc->aac_feature_bits & AAC_SUPPL_SUPPORTED_JBOD)) ||
1223                                     (device == T_PROCESSOR))
1224                                     ccb->csio.data_ptr[0] =
1225                                         ((device & 0xe0) | T_NODEVICE);
1226
1227                                   /* handle phys. components of a log. drive */
1228                                   if (ccb->csio.data_ptr[0] & 0x20) {
1229                                         if (sc->hint_flags & 8) {
1230                                           /* expose phys. device (daXX) */
1231                                           ccb->csio.data_ptr[0] &= 0xdf;
1232                                         } else {
1233                                           /* phys. device only visible through pass device (passXX) */
1234                                           ccb->csio.data_ptr[0] |= 0x10;
1235                                         }
1236                                   }
1237                                 } else if (ccb->ccb_h.status == CAM_SEL_TIMEOUT &&
1238                                   ccb->ccb_h.target_lun != 0) {
1239                                   /* fix for INQUIRYs on Lun>0 */
1240                                   ccb->ccb_h.status = CAM_DEV_NOT_THERE;
1241                                 }
1242                         }
1243                 }
1244         }
1245
1246         aacraid_release_command(cm);
1247         xpt_done(ccb);
1248 }
1249
1250 static u_int32_t
1251 aac_cam_reset_bus(struct cam_sim *sim, union ccb *ccb)
1252 {
1253         struct aac_command *cm;
1254         struct aac_fib *fib;
1255         struct aac_softc *sc;
1256         struct aac_cam *camsc;
1257         struct aac_vmioctl *vmi;
1258         struct aac_resetbus *rbc;
1259         u_int32_t rval;
1260
1261         camsc = (struct aac_cam *)cam_sim_softc(sim);
1262         sc = camsc->inf->aac_sc;
1263
1264         if (sc == NULL) {
1265                 printf("aac: Null sc?\n");
1266                 return (CAM_REQ_ABORTED);
1267         }
1268
1269         if (aacraid_alloc_command(sc, &cm)) {
1270                 struct aac_event *event;
1271
1272                 xpt_freeze_simq(sim, 1);
1273                 ccb->ccb_h.status = CAM_RESRC_UNAVAIL;
1274                 ccb->ccb_h.sim_priv.entries[0].ptr = camsc;
1275                 event = malloc(sizeof(struct aac_event), M_AACRAIDCAM,
1276                         M_NOWAIT | M_ZERO);
1277                 if (event == NULL) {
1278                         device_printf(sc->aac_dev,
1279                                 "Warning, out of memory for event\n");
1280                         return (CAM_REQ_ABORTED);
1281                 }
1282                 event->ev_callback = aac_cam_event;
1283                 event->ev_arg = ccb;
1284                 event->ev_type = AAC_EVENT_CMFREE;
1285                 aacraid_add_event(sc, event);
1286                 return (CAM_REQ_ABORTED);
1287         }
1288
1289         fib = cm->cm_fib;
1290         cm->cm_timestamp = time_uptime;
1291         cm->cm_datalen = 0;
1292
1293         fib->Header.Size =
1294                 sizeof(struct aac_fib_header) + sizeof(struct aac_vmioctl);
1295         fib->Header.XferState =
1296                 AAC_FIBSTATE_HOSTOWNED   |
1297                 AAC_FIBSTATE_INITIALISED |
1298                 AAC_FIBSTATE_EMPTY       |
1299                 AAC_FIBSTATE_FROMHOST    |
1300                 AAC_FIBSTATE_REXPECTED   |
1301                 AAC_FIBSTATE_NORM        |
1302                 AAC_FIBSTATE_ASYNC       |
1303                 AAC_FIBSTATE_FAST_RESPONSE;
1304         fib->Header.Command = ContainerCommand;
1305
1306         vmi = (struct aac_vmioctl *)&fib->data[0];
1307         bzero(vmi, sizeof(struct aac_vmioctl));
1308
1309         vmi->Command = VM_Ioctl;
1310         vmi->ObjType = FT_DRIVE;
1311         vmi->MethId = sc->scsi_method_id;
1312         vmi->ObjId = 0;
1313         vmi->IoctlCmd = ResetBus;
1314
1315         rbc = (struct aac_resetbus *)&vmi->IoctlBuf[0];
1316         rbc->BusNumber = camsc->inf->BusNumber - 1;
1317
1318         if (aacraid_wait_command(cm) != 0) {
1319                 device_printf(sc->aac_dev,"Error sending ResetBus command\n");
1320                 rval = CAM_REQ_ABORTED;
1321         } else {
1322                 rval = CAM_REQ_CMP;
1323         }
1324         aacraid_release_command(cm);
1325         return (rval);
1326 }
1327
1328 static u_int32_t
1329 aac_cam_abort_ccb(struct cam_sim *sim, union ccb *ccb)
1330 {
1331         return (CAM_UA_ABORT);
1332 }
1333
1334 static u_int32_t
1335 aac_cam_term_io(struct cam_sim *sim, union ccb *ccb)
1336 {
1337         return (CAM_UA_TERMIO);
1338 }
1339
1340 static int
1341 aac_load_map_command_sg(struct aac_softc *sc, struct aac_command *cm)
1342 {
1343         int error;
1344
1345         fwprintf(sc, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, "");
1346         error = bus_dmamap_load(sc->aac_buffer_dmat,
1347                                 cm->cm_datamap, cm->cm_data, cm->cm_datalen,
1348                                 aacraid_map_command_sg, cm, 0);
1349         if (error == EINPROGRESS) {
1350                 fwprintf(sc, HBA_FLAGS_DBG_INIT_B, "freezing queue\n");
1351                 sc->flags |= AAC_QUEUE_FRZN;
1352                 error = 0;
1353         } else if (error != 0) {
1354                 panic("aac_load_map_command_sg: unexpected error %d from "
1355                         "busdma", error);
1356         }
1357         return(error);
1358 }
1359
1360 /*
1361  * Start as much queued I/O as possible on the controller
1362  */
1363 void
1364 aacraid_startio(struct aac_softc *sc)
1365 {
1366         struct aac_command *cm;
1367
1368         fwprintf(sc, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, "");
1369
1370         for (;;) {
1371                 if (sc->aac_state & AAC_STATE_RESET) {
1372                         fwprintf(sc, HBA_FLAGS_DBG_ERROR_B, "AAC_STATE_RESET");
1373                         break;
1374                 }
1375                 /*
1376                  * This flag might be set if the card is out of resources.
1377                  * Checking it here prevents an infinite loop of deferrals.
1378                  */
1379                 if (sc->flags & AAC_QUEUE_FRZN) {
1380                         fwprintf(sc, HBA_FLAGS_DBG_ERROR_B, "AAC_QUEUE_FRZN");
1381                         break;
1382                 }
1383
1384                 /*
1385                  * Try to get a command that's been put off for lack of
1386                  * resources
1387                  */
1388                 if (sc->flags & AAC_FLAGS_SYNC_MODE) {
1389                         /* sync. transfer mode */
1390                         if (sc->aac_sync_cm)
1391                                 break;
1392                         cm = aac_dequeue_ready(sc);
1393                         sc->aac_sync_cm = cm;
1394                 } else {
1395                         cm = aac_dequeue_ready(sc);
1396                 }
1397
1398                 /* nothing to do? */
1399                 if (cm == NULL)
1400                         break;
1401
1402                 /* don't map more than once */
1403                 if (cm->cm_flags & AAC_CMD_MAPPED)
1404                         panic("aac: command %p already mapped", cm);
1405
1406                 /*
1407                  * Set up the command to go to the controller.  If there are no
1408                  * data buffers associated with the command then it can bypass
1409                  * busdma.
1410                  */
1411                 if (cm->cm_datalen)
1412                         aac_load_map_command_sg(sc, cm);
1413                 else
1414                         aacraid_map_command_sg(cm, NULL, 0, 0);
1415         }
1416 }