sys/dev/mpr/mpr_sas_lsi.c

   1 /*-
   2  * Copyright (c) 2011-2014 LSI Corp.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  *
  26  * LSI MPT-Fusion Host Adapter FreeBSD
  27  */
  28
  29 #include <sys/cdefs.h>
  30 __FBSDID("$FreeBSD$");
  31
  32 /* Communications core for LSI MPT2 */
  33
  34 /* TODO Move headers to mprvar */
  35 #include <sys/types.h>
  36 #include <sys/param.h>
  37 #include <sys/systm.h>
  38 #include <sys/kernel.h>
  39 #include <sys/selinfo.h>
  40 #include <sys/module.h>
  41 #include <sys/bus.h>
  42 #include <sys/conf.h>
  43 #include <sys/bio.h>
  44 #include <sys/malloc.h>
  45 #include <sys/uio.h>
  46 #include <sys/sysctl.h>
  47 #include <sys/endian.h>
  48 #include <sys/queue.h>
  49 #include <sys/kthread.h>
  50 #include <sys/taskqueue.h>
  51 #include <sys/sbuf.h>
  52
  53 #include <machine/bus.h>
  54 #include <machine/resource.h>
  55 #include <sys/rman.h>
  56
  57 #include <machine/stdarg.h>
  58
  59 #include <cam/cam.h>
  60 #include <cam/cam_ccb.h>
  61 #include <cam/cam_debug.h>
  62 #include <cam/cam_sim.h>
  63 #include <cam/cam_xpt_sim.h>
  64 #include <cam/cam_xpt_periph.h>
  65 #include <cam/cam_periph.h>
  66 #include <cam/scsi/scsi_all.h>
  67 #include <cam/scsi/scsi_message.h>
  68
  69 #include <dev/mpr/mpi/mpi2_type.h>
  70 #include <dev/mpr/mpi/mpi2.h>
  71 #include <dev/mpr/mpi/mpi2_ioc.h>
  72 #include <dev/mpr/mpi/mpi2_sas.h>
  73 #include <dev/mpr/mpi/mpi2_cnfg.h>
  74 #include <dev/mpr/mpi/mpi2_init.h>
  75 #include <dev/mpr/mpi/mpi2_raid.h>
  76 #include <dev/mpr/mpi/mpi2_tool.h>
  77 #include <dev/mpr/mpr_ioctl.h>
  78 #include <dev/mpr/mprvar.h>
  79 #include <dev/mpr/mpr_table.h>
  80 #include <dev/mpr/mpr_sas.h>
  81
  82 /* For Hashed SAS Address creation for SATA Drives */
  83 #define MPT2SAS_SN_LEN 20
  84 #define MPT2SAS_MN_LEN 40
  85
  86 struct mpr_fw_event_work {
  87         u16                     event;
  88         void                    *event_data;
  89         TAILQ_ENTRY(mpr_fw_event_work)  ev_link;
  90 };
  91
  92 union _sata_sas_address {
  93         u8 wwid[8];
  94         struct {
  95                 u32 high;
  96                 u32 low;
  97         } word;
  98 };
  99
 100 /*
 101  * define the IDENTIFY DEVICE structure
 102  */
 103 struct _ata_identify_device_data {
 104         u16 reserved1[10];      /* 0-9 */
 105         u16 serial_number[10];  /* 10-19 */
 106         u16 reserved2[7];       /* 20-26 */
 107         u16 model_number[20];   /* 27-46*/
 108         u16 reserved3[209];     /* 47-255*/
 109 };
 110 static u32 event_count;
 111 static void mprsas_fw_work(struct mpr_softc *sc,
 112     struct mpr_fw_event_work *fw_event);
 113 static void mprsas_fw_event_free(struct mpr_softc *,
 114     struct mpr_fw_event_work *);
 115 static int mprsas_add_device(struct mpr_softc *sc, u16 handle, u8 linkrate);
 116 static int mprsas_get_sata_identify(struct mpr_softc *sc, u16 handle,
 117     Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz,
 118     u32 devinfo);
 119 int mprsas_get_sas_address_for_sata_disk(struct mpr_softc *sc,
 120     u64 *sas_address, u16 handle, u32 device_info);
 121 static int mprsas_volume_add(struct mpr_softc *sc,
 122     u16 handle);
 123 static void mprsas_SSU_to_SATA_devices(struct mpr_softc *sc);
 124 static void mprsas_stop_unit_done(struct cam_periph *periph,
 125     union ccb *done_ccb);
 126
 127 void
 128 mprsas_evt_handler(struct mpr_softc *sc, uintptr_t data,
 129     MPI2_EVENT_NOTIFICATION_REPLY *event)
 130 {
 131         struct mpr_fw_event_work *fw_event;
 132         u16 sz;
 133
 134         mpr_dprint(sc, MPR_TRACE, "%s\n", __func__);
 135         mpr_print_evt_sas(sc, event);
 136         mprsas_record_event(sc, event);
 137
 138         fw_event = malloc(sizeof(struct mpr_fw_event_work), M_MPR,
 139              M_ZERO|M_NOWAIT);
 140         if (!fw_event) {
 141                 printf("%s: allocate failed for fw_event\n", __func__);
 142                 return;
 143         }
 144         sz = le16toh(event->EventDataLength) * 4;
 145         fw_event->event_data = malloc(sz, M_MPR, M_ZERO|M_NOWAIT);
 146         if (!fw_event->event_data) {
 147                 printf("%s: allocate failed for event_data\n", __func__);
 148                 free(fw_event, M_MPR);
 149                 return;
 150         }
 151
 152         bcopy(event->EventData, fw_event->event_data, sz);
 153         fw_event->event = event->Event;
 154         if ((event->Event == MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST ||
 155             event->Event == MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE ||
 156             event->Event == MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST) &&
 157             sc->track_mapping_events)
 158                 sc->pending_map_events++;
 159
 160         /*
 161          * When wait_for_port_enable flag is set, make sure that all the events
 162          * are processed. Increment the startup_refcount and decrement it after
 163          * events are processed.
 164          */
 165         if ((event->Event == MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST ||
 166             event->Event == MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST) &&
 167             sc->wait_for_port_enable)
 168                 mprsas_startup_increment(sc->sassc);
 169
 170         TAILQ_INSERT_TAIL(&sc->sassc->ev_queue, fw_event, ev_link);
 171         taskqueue_enqueue(sc->sassc->ev_tq, &sc->sassc->ev_task);
 172
 173 }
 174
 175 static void
 176 mprsas_fw_event_free(struct mpr_softc *sc, struct mpr_fw_event_work *fw_event)
 177 {
 178
 179         free(fw_event->event_data, M_MPR);
 180         free(fw_event, M_MPR);
 181 }
 182
 183 /**
 184  * _mpr_fw_work - delayed task for processing firmware events
 185  * @sc: per adapter object
 186  * @fw_event: The fw_event_work object
 187  * Context: user.
 188  *
 189  * Return nothing.
 190  */
 191 static void
 192 mprsas_fw_work(struct mpr_softc *sc, struct mpr_fw_event_work *fw_event)
 193 {
 194         struct mprsas_softc *sassc;
 195         sassc = sc->sassc;
 196
 197         mpr_dprint(sc, MPR_EVENT, "(%d)->(%s) Working on  Event: [%x]\n",
 198             event_count++, __func__, fw_event->event);
 199         switch (fw_event->event) {
 200         case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
 201         {
 202                 MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST *data;
 203                 MPI2_EVENT_SAS_TOPO_PHY_ENTRY *phy;
 204                 int i;
 205
 206                 data = (MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST *)
 207                     fw_event->event_data;
 208
 209                 mpr_mapping_topology_change_event(sc, fw_event->event_data);
 210
 211                 for (i = 0; i < data->NumEntries; i++) {
 212                         phy = &data->PHY[i];
 213                         switch (phy->PhyStatus & MPI2_EVENT_SAS_TOPO_RC_MASK) {
 214                         case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
 215                                 if (mprsas_add_device(sc,
 216                                     le16toh(phy->AttachedDevHandle),
 217                                     phy->LinkRate)) {
 218                                         printf("%s: failed to add device with "
 219                                             "handle 0x%x\n", __func__,
 220                                             le16toh(phy->AttachedDevHandle));
 221                                         mprsas_prepare_remove(sassc, le16toh(
 222                                             phy->AttachedDevHandle));
 223                                 }
 224                                 break;
 225                         case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING:
 226                                 mprsas_prepare_remove(sassc, le16toh(
 227                                     phy->AttachedDevHandle));
 228                                 break;
 229                         case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
 230                         case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE:
 231                         case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING:
 232                         default:
 233                                 break;
 234                         }
 235                 }
 236                 /*
 237                  * refcount was incremented for this event in
 238                  * mprsas_evt_handler.  Decrement it here because the event has
 239                  * been processed.
 240                  */
 241                 mprsas_startup_decrement(sassc);
 242                 break;
 243         }
 244         case MPI2_EVENT_SAS_DISCOVERY:
 245         {
 246                 MPI2_EVENT_DATA_SAS_DISCOVERY *data;
 247
 248                 data = (MPI2_EVENT_DATA_SAS_DISCOVERY *)fw_event->event_data;
 249
 250                 if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_STARTED)
 251                         mpr_dprint(sc, MPR_TRACE,"SAS discovery start "
 252                             "event\n");
 253                 if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_COMPLETED) {
 254                         mpr_dprint(sc, MPR_TRACE,"SAS discovery stop event\n");
 255                         sassc->flags &= ~MPRSAS_IN_DISCOVERY;
 256                         mprsas_discovery_end(sassc);
 257                 }
 258                 break;
 259         }
 260         case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
 261         {
 262                 Mpi2EventDataSasEnclDevStatusChange_t *data;
 263                 data = (Mpi2EventDataSasEnclDevStatusChange_t *)
 264                     fw_event->event_data;
 265                 mpr_mapping_enclosure_dev_status_change_event(sc,
 266                     fw_event->event_data);
 267                 break;
 268         }
 269         case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
 270         {
 271                 Mpi2EventIrConfigElement_t *element;
 272                 int i;
 273                 u8 foreign_config, reason;
 274                 u16 elementType;
 275                 Mpi2EventDataIrConfigChangeList_t *event_data;
 276                 struct mprsas_target *targ;
 277                 unsigned int id;
 278
 279                 event_data = fw_event->event_data;
 280                 foreign_config = (le32toh(event_data->Flags) &
 281                     MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0;
 282
 283                 element =
 284                     (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
 285                 id = mpr_mapping_get_raid_id_from_handle(sc,
 286                     element->VolDevHandle);
 287
 288                 mpr_mapping_ir_config_change_event(sc, event_data);
 289                 for (i = 0; i < event_data->NumElements; i++, element++) {
 290                         reason = element->ReasonCode;
 291                         elementType = le16toh(element->ElementFlags) &
 292                             MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK;
 293                         /*
 294                          * check for element type of Phys Disk or Hot Spare
 295                          */
 296                         if ((elementType !=
 297                             MPI2_EVENT_IR_CHANGE_EFLAGS_VOLPHYSDISK_ELEMENT)
 298                             && (elementType !=
 299                             MPI2_EVENT_IR_CHANGE_EFLAGS_HOTSPARE_ELEMENT))
 300                                 // do next element
 301                                 goto skip_fp_send;
 302
 303                         /*
 304                          * check for reason of Hide, Unhide, PD Created, or PD
 305                          * Deleted
 306                          */
 307                         if ((reason != MPI2_EVENT_IR_CHANGE_RC_HIDE) &&
 308                             (reason != MPI2_EVENT_IR_CHANGE_RC_UNHIDE) &&
 309                             (reason != MPI2_EVENT_IR_CHANGE_RC_PD_CREATED) &&
 310                             (reason != MPI2_EVENT_IR_CHANGE_RC_PD_DELETED))
 311                                 goto skip_fp_send;
 312
 313                         // check for a reason of Hide or PD Created
 314                         if ((reason == MPI2_EVENT_IR_CHANGE_RC_HIDE) ||
 315                             (reason == MPI2_EVENT_IR_CHANGE_RC_PD_CREATED))
 316                         {
 317                                 // build RAID Action message
 318                                 Mpi2RaidActionRequest_t *action;
 319                                 Mpi2RaidActionReply_t *reply;
 320                                 struct mpr_command *cm;
 321                                 int error = 0;
 322                                 if ((cm = mpr_alloc_command(sc)) == NULL) {
 323                                         printf("%s: command alloc failed\n",
 324                                             __func__);
 325                                         return;
 326                                 }
 327
 328                                 mpr_dprint(sc, MPR_INFO, "Sending FP action "
 329                                     "from "
 330                                     "MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST "
 331                                     ":\n");
 332                                 action = (MPI2_RAID_ACTION_REQUEST *)cm->cm_req;
 333                                 action->Function = MPI2_FUNCTION_RAID_ACTION;
 334                                 action->Action =
 335                                     MPI2_RAID_ACTION_PHYSDISK_HIDDEN;
 336                                 action->PhysDiskNum = element->PhysDiskNum;
 337                                 cm->cm_desc.Default.RequestFlags =
 338                                     MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
 339                                 error = mpr_request_polled(sc, cm);
 340                                 reply = (Mpi2RaidActionReply_t *)cm->cm_reply;
 341                                 if (error || (reply == NULL)) {
 342                                         /* FIXME */
 343                                         /*
 344                                          * If the poll returns error then we
 345                                          * need to do diag reset
 346                                          */
 347                                         printf("%s: poll for page completed "
 348                                             "with error %d", __func__, error);
 349                                 }
 350                                 if (reply && (le16toh(reply->IOCStatus) &
 351                                     MPI2_IOCSTATUS_MASK) !=
 352                                     MPI2_IOCSTATUS_SUCCESS) {
 353                                         mpr_dprint(sc, MPR_INFO, "%s: error "
 354                                             "sending RaidActionPage; iocstatus "
 355                                             "= 0x%x\n", __func__,
 356                                             le16toh(reply->IOCStatus));
 357                                 }
 358
 359                                 if (cm)
 360                                         mpr_free_command(sc, cm);
 361                         }
 362 skip_fp_send:
 363                         mpr_dprint(sc, MPR_INFO, "Received "
 364                             "MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST Reason "
 365                             "code %x:\n", element->ReasonCode);
 366                         switch (element->ReasonCode) {
 367                         case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED:
 368                         case MPI2_EVENT_IR_CHANGE_RC_ADDED:
 369                                 if (!foreign_config) {
 370                                         if (mprsas_volume_add(sc,
 371                                             le16toh(element->VolDevHandle))) {
 372                                                 printf("%s: failed to add RAID "
 373                                                     "volume with handle 0x%x\n",
 374                                                     __func__, le16toh(element->
 375                                                     VolDevHandle));
 376                                         }
 377                                 }
 378                                 break;
 379                         case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED:
 380                         case MPI2_EVENT_IR_CHANGE_RC_REMOVED:
 381                                 /*
 382                                  * Rescan after volume is deleted or removed.
 383                                  */
 384                                 if (!foreign_config) {
 385                                         if (id == MPR_MAP_BAD_ID) {
 386                                                 printf("%s: could not get ID "
 387                                                     "for volume with handle "
 388                                                     "0x%04x\n", __func__,
 389                                                     le16toh(element->
 390                                                     VolDevHandle));
 391                                                 break;
 392                                         }
 393
 394                                         targ = &sassc->targets[id];
 395                                         targ->handle = 0x0;
 396                                         targ->encl_slot = 0x0;
 397                                         targ->encl_handle = 0x0;
 398                                         targ->encl_level_valid = 0x0;
 399                                         targ->encl_level = 0x0;
 400                                         targ->connector_name[0] = ' ';
 401                                         targ->connector_name[1] = ' ';
 402                                         targ->connector_name[2] = ' ';
 403                                         targ->connector_name[3] = ' ';
 404                                         targ->exp_dev_handle = 0x0;
 405                                         targ->phy_num = 0x0;
 406                                         targ->linkrate = 0x0;
 407                                         mprsas_rescan_target(sc, targ);
 408                                         printf("RAID target id 0x%x removed\n",
 409                                             targ->tid);
 410                                 }
 411                                 break;
 412                         case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED:
 413                         case MPI2_EVENT_IR_CHANGE_RC_HIDE:
 414                                 /*
 415                                  * Phys Disk of a volume has been created.  Hide
 416                                  * it from the OS.
 417                                  */
 418                                 targ = mprsas_find_target_by_handle(sassc, 0,
 419                                     element->PhysDiskDevHandle);
 420                                 if (targ == NULL)
 421                                         break;
 422                                 targ->flags |= MPR_TARGET_FLAGS_RAID_COMPONENT;
 423                                 mprsas_rescan_target(sc, targ);
 424
 425                                 break;
 426                         case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED:
 427                                 /*
 428                                  * Phys Disk of a volume has been deleted.
 429                                  * Expose it to the OS.
 430                                  */
 431                                 if (mprsas_add_device(sc,
 432                                     le16toh(element->PhysDiskDevHandle), 0)) {
 433                                         printf("%s: failed to add device with "
 434                                             "handle 0x%x\n", __func__,
 435                                             le16toh(element->
 436                                             PhysDiskDevHandle));
 437                                         mprsas_prepare_remove(sassc,
 438                                             le16toh(element->
 439                                             PhysDiskDevHandle));
 440                                 }
 441                                 break;
 442                         }
 443                 }
 444                 /*
 445                  * refcount was incremented for this event in
 446                  * mprsas_evt_handler.  Decrement it here because the event has
 447                  * been processed.
 448                  */
 449                 mprsas_startup_decrement(sassc);
 450                 break;
 451         }
 452         case MPI2_EVENT_IR_VOLUME:
 453         {
 454                 Mpi2EventDataIrVolume_t *event_data = fw_event->event_data;
 455
 456                 /*
 457                  * Informational only.
 458                  */
 459                 mpr_dprint(sc, MPR_EVENT, "Received IR Volume event:\n");
 460                 switch (event_data->ReasonCode) {
 461                 case MPI2_EVENT_IR_VOLUME_RC_SETTINGS_CHANGED:
 462                         mpr_dprint(sc, MPR_EVENT, "   Volume Settings "
 463                             "changed from 0x%x to 0x%x for Volome with "
 464                             "handle 0x%x", le32toh(event_data->PreviousValue),
 465                             le32toh(event_data->NewValue),
 466                             le16toh(event_data->VolDevHandle));
 467                         break;
 468                 case MPI2_EVENT_IR_VOLUME_RC_STATUS_FLAGS_CHANGED:
 469                         mpr_dprint(sc, MPR_EVENT, "   Volume Status "
 470                             "changed from 0x%x to 0x%x for Volome with "
 471                             "handle 0x%x", le32toh(event_data->PreviousValue),
 472                             le32toh(event_data->NewValue),
 473                             le16toh(event_data->VolDevHandle));
 474                         break;
 475                 case MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED:
 476                         mpr_dprint(sc, MPR_EVENT, "   Volume State "
 477                             "changed from 0x%x to 0x%x for Volome with "
 478                             "handle 0x%x", le32toh(event_data->PreviousValue),
 479                             le32toh(event_data->NewValue),
 480                             le16toh(event_data->VolDevHandle));
 481                                 u32 state;
 482                                 struct mprsas_target *targ;
 483                                 state = le32toh(event_data->NewValue);
 484                                 switch (state) {
 485                                 case MPI2_RAID_VOL_STATE_MISSING:
 486                                 case MPI2_RAID_VOL_STATE_FAILED:
 487                                         mprsas_prepare_volume_remove(sassc,
 488                                             event_data->VolDevHandle);
 489                                         break;
 490
 491                                 case MPI2_RAID_VOL_STATE_ONLINE:
 492                                 case MPI2_RAID_VOL_STATE_DEGRADED:
 493                                 case MPI2_RAID_VOL_STATE_OPTIMAL:
 494                                         targ =
 495                                             mprsas_find_target_by_handle(sassc,
 496                                             0, event_data->VolDevHandle);
 497                                         if (targ) {
 498                                                 printf("%s %d: Volume handle "
 499                                                     "0x%x is already added \n",
 500                                                     __func__, __LINE__,
 501                                                     event_data->VolDevHandle);
 502                                                 break;
 503                                         }
 504                                         if (mprsas_volume_add(sc,
 505                                             le16toh(event_data->
 506                                             VolDevHandle))) {
 507                                                 printf("%s: failed to add RAID "
 508                                                     "volume with handle 0x%x\n",
 509                                                     __func__, le16toh(
 510                                                     event_data->VolDevHandle));
 511                                         }
 512                                         break;
 513                                 default:
 514                                         break;
 515                                 }
 516                         break;
 517                 default:
 518                         break;
 519                 }
 520                 break;
 521         }
 522         case MPI2_EVENT_IR_PHYSICAL_DISK:
 523         {
 524                 Mpi2EventDataIrPhysicalDisk_t *event_data =
 525                     fw_event->event_data;
 526                 struct mprsas_target *targ;
 527
 528                 /*
 529                  * Informational only.
 530                  */
 531                 mpr_dprint(sc, MPR_EVENT, "Received IR Phys Disk event:\n");
 532                 switch (event_data->ReasonCode) {
 533                 case MPI2_EVENT_IR_PHYSDISK_RC_SETTINGS_CHANGED:
 534                         mpr_dprint(sc, MPR_EVENT, "   Phys Disk Settings "
 535                             "changed from 0x%x to 0x%x for Phys Disk Number "
 536                             "%d and handle 0x%x at Enclosure handle 0x%x, Slot "
 537                             "%d", le32toh(event_data->PreviousValue),
 538                             le32toh(event_data->NewValue),
 539                             event_data->PhysDiskNum,
 540                             le16toh(event_data->PhysDiskDevHandle),
 541                             le16toh(event_data->EnclosureHandle),
 542                             le16toh(event_data->Slot));
 543                         break;
 544                 case MPI2_EVENT_IR_PHYSDISK_RC_STATUS_FLAGS_CHANGED:
 545                         mpr_dprint(sc, MPR_EVENT, "   Phys Disk Status changed "
 546                             "from 0x%x to 0x%x for Phys Disk Number %d and "
 547                             "handle 0x%x at Enclosure handle 0x%x, Slot %d",
 548                             le32toh(event_data->PreviousValue),
 549                             le32toh(event_data->NewValue),
 550                             event_data->PhysDiskNum,
 551                             le16toh(event_data->PhysDiskDevHandle),
 552                             le16toh(event_data->EnclosureHandle),
 553                             le16toh(event_data->Slot));
 554                         break;
 555                 case MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED:
 556                         mpr_dprint(sc, MPR_EVENT, "   Phys Disk State changed "
 557                             "from 0x%x to 0x%x for Phys Disk Number %d and "
 558                             "handle 0x%x at Enclosure handle 0x%x, Slot %d",
 559                             le32toh(event_data->PreviousValue),
 560                             le32toh(event_data->NewValue),
 561                             event_data->PhysDiskNum,
 562                             le16toh(event_data->PhysDiskDevHandle),
 563                             le16toh(event_data->EnclosureHandle),
 564                             le16toh(event_data->Slot));
 565                         switch (event_data->NewValue) {
 566                                 case MPI2_RAID_PD_STATE_ONLINE:
 567                                 case MPI2_RAID_PD_STATE_DEGRADED:
 568                                 case MPI2_RAID_PD_STATE_REBUILDING:
 569                                 case MPI2_RAID_PD_STATE_OPTIMAL:
 570                                 case MPI2_RAID_PD_STATE_HOT_SPARE:
 571                                         targ = mprsas_find_target_by_handle(
 572                                             sassc, 0,
 573                                             event_data->PhysDiskDevHandle);
 574                                         if (targ) {
 575                                                 targ->flags |=
 576                                                     MPR_TARGET_FLAGS_RAID_COMPONENT;
 577                                                 printf("%s %d: Found Target "
 578                                                     "for handle 0x%x.\n",
 579                                                     __func__, __LINE__ ,
 580                                                     event_data->
 581                                                     PhysDiskDevHandle);
 582                                         }
 583                                 break;
 584                                 case MPI2_RAID_PD_STATE_OFFLINE:
 585                                 case MPI2_RAID_PD_STATE_NOT_CONFIGURED:
 586                                 case MPI2_RAID_PD_STATE_NOT_COMPATIBLE:
 587                                 default:
 588                                         targ = mprsas_find_target_by_handle(
 589                                             sassc, 0,
 590                                             event_data->PhysDiskDevHandle);
 591                                         if (targ) {
 592                                                 targ->flags |=
 593                                             ~MPR_TARGET_FLAGS_RAID_COMPONENT;
 594                                                 printf("%s %d: Found Target "
 595                                                     "for handle 0x%x.  \n",
 596                                                     __func__, __LINE__ ,
 597                                                     event_data->
 598                                                     PhysDiskDevHandle);
 599                                         }
 600                                 break;
 601                         }
 602                 default:
 603                         break;
 604                 }
 605                 break;
 606         }
 607         case MPI2_EVENT_IR_OPERATION_STATUS:
 608         {
 609                 Mpi2EventDataIrOperationStatus_t *event_data =
 610                     fw_event->event_data;
 611
 612                 /*
 613                  * Informational only.
 614                  */
 615                 mpr_dprint(sc, MPR_EVENT, "Received IR Op Status event:\n");
 616                 mpr_dprint(sc, MPR_EVENT, "   RAID Operation of %d is %d "
 617                     "percent complete for Volume with handle 0x%x",
 618                     event_data->RAIDOperation, event_data->PercentComplete,
 619                     le16toh(event_data->VolDevHandle));
 620                 break;
 621         }
 622         case MPI2_EVENT_TEMP_THRESHOLD:
 623         {
 624                 pMpi2EventDataTemperature_t     temp_event;
 625
 626                 temp_event = (pMpi2EventDataTemperature_t)fw_event->event_data;
 627
 628                 /*
 629                  * The Temp Sensor Count must be greater than the event's Sensor
 630                  * Num to be valid.  If valid, print the temp thresholds that
 631                  * have been exceeded.
 632                  */
 633                 if (sc->iounit_pg8.NumSensors > temp_event->SensorNum) {
 634                         mpr_dprint(sc, MPR_FAULT, "Temperature Threshold flags "
 635                             "%s %s %s %s exceeded for Sensor: %d !!!\n",
 636                             ((temp_event->Status & 0x01) == 1) ? "0 " : " ",
 637                             ((temp_event->Status & 0x02) == 2) ? "1 " : " ",
 638                             ((temp_event->Status & 0x04) == 4) ? "2 " : " ",
 639                             ((temp_event->Status & 0x08) == 8) ? "3 " : " ",
 640                             temp_event->SensorNum);
 641                         mpr_dprint(sc, MPR_FAULT, "Current Temp in Celsius: "
 642                             "%d\n", temp_event->CurrentTemperature);
 643                 }
 644                 break;
 645         }
 646         case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
 647         case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
 648         default:
 649                 mpr_dprint(sc, MPR_TRACE,"Unhandled event 0x%0X\n",
 650                     fw_event->event);
 651                 break;
 652
 653         }
 654         mpr_dprint(sc, MPR_EVENT, "(%d)->(%s) Event Free: [%x]\n", event_count,
 655             __func__, fw_event->event);
 656         mprsas_fw_event_free(sc, fw_event);
 657 }
 658
 659 void
 660 mprsas_firmware_event_work(void *arg, int pending)
 661 {
 662         struct mpr_fw_event_work *fw_event;
 663         struct mpr_softc *sc;
 664
 665         sc = (struct mpr_softc *)arg;
 666         mpr_lock(sc);
 667         while ((fw_event = TAILQ_FIRST(&sc->sassc->ev_queue)) != NULL) {
 668                 TAILQ_REMOVE(&sc->sassc->ev_queue, fw_event, ev_link);
 669                 mprsas_fw_work(sc, fw_event);
 670         }
 671         mpr_unlock(sc);
 672 }
 673
 674 static int
 675 mprsas_add_device(struct mpr_softc *sc, u16 handle, u8 linkrate){
 676         char devstring[80];
 677         struct mprsas_softc *sassc;
 678         struct mprsas_target *targ;
 679         Mpi2ConfigReply_t mpi_reply;
 680         Mpi2SasDevicePage0_t config_page;
 681         uint64_t sas_address, sata_sas_address;
 682         uint64_t parent_sas_address = 0;
 683         u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
 684         u32 device_info, parent_devinfo = 0;
 685         unsigned int id;
 686         int ret;
 687         int error = 0;
 688         struct mprsas_lun *lun;
 689
 690         sassc = sc->sassc;
 691         mprsas_startup_increment(sassc);
 692         if ((mpr_config_get_sas_device_pg0(sc, &mpi_reply, &config_page,
 693              MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
 694                 printf("%s: error reading SAS device page0\n", __func__);
 695                 error = ENXIO;
 696                 goto out;
 697         }
 698
 699         device_info = le32toh(config_page.DeviceInfo);
 700
 701         if (((device_info & MPI2_SAS_DEVICE_INFO_SMP_TARGET) == 0)
 702             && (le16toh(config_page.ParentDevHandle) != 0)) {
 703                 Mpi2ConfigReply_t tmp_mpi_reply;
 704                 Mpi2SasDevicePage0_t parent_config_page;
 705
 706                 if ((mpr_config_get_sas_device_pg0(sc, &tmp_mpi_reply,
 707                      &parent_config_page, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
 708                      le16toh(config_page.ParentDevHandle)))) {
 709                         printf("%s: error reading SAS device %#x page0\n",
 710                             __func__, le16toh(config_page.ParentDevHandle));
 711                 } else {
 712                         parent_sas_address = parent_config_page.SASAddress.High;
 713                         parent_sas_address = (parent_sas_address << 32) |
 714                             parent_config_page.SASAddress.Low;
 715                         parent_devinfo = le32toh(parent_config_page.DeviceInfo);
 716                 }
 717         }
 718         /* TODO Check proper endianess */
 719         sas_address = config_page.SASAddress.High;
 720         sas_address = (sas_address << 32) |
 721             config_page.SASAddress.Low;
 722
 723         if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE)
 724             == MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) {
 725                 if (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE) {
 726                         ret = mprsas_get_sas_address_for_sata_disk(sc,
 727                             &sata_sas_address, handle, device_info);
 728                         if (!ret)
 729                                 id = mpr_mapping_get_sas_id(sc,
 730                                     sata_sas_address, handle);
 731                         else
 732                                 id = mpr_mapping_get_sas_id(sc,
 733                                     sas_address, handle);
 734                 } else
 735                         id = mpr_mapping_get_sas_id(sc, sas_address,
 736                             handle);
 737         } else
 738                 id = mpr_mapping_get_sas_id(sc, sas_address, handle);
 739
 740         if (id == MPR_MAP_BAD_ID) {
 741                 printf("failure at %s:%d/%s()! Could not get ID for device "
 742                     "with handle 0x%04x\n", __FILE__, __LINE__, __func__,
 743                     handle);
 744                 error = ENXIO;
 745                 goto out;
 746         }
 747
 748         if (mprsas_check_id(sassc, id) != 0) {
 749                 device_printf(sc->mpr_dev, "Excluding target id %d\n", id);
 750                 error = ENXIO;
 751                 goto out;
 752         }
 753
 754         mpr_dprint(sc, MPR_MAPPING, "SAS Address from SAS device page0 = %jx\n",
 755             sas_address);
 756         targ = &sassc->targets[id];
 757         targ->devinfo = device_info;
 758         targ->devname = le32toh(config_page.DeviceName.High);
 759         targ->devname = (targ->devname << 32) |
 760             le32toh(config_page.DeviceName.Low);
 761         targ->encl_handle = le16toh(config_page.EnclosureHandle);
 762         targ->encl_slot = le16toh(config_page.Slot);
 763         targ->encl_level = config_page.EnclosureLevel;
 764         targ->connector_name[0] = config_page.ConnectorName[0];
 765         targ->connector_name[1] = config_page.ConnectorName[1];
 766         targ->connector_name[2] = config_page.ConnectorName[2];
 767         targ->connector_name[3] = config_page.ConnectorName[3];
 768         targ->handle = handle;
 769         targ->parent_handle = le16toh(config_page.ParentDevHandle);
 770         targ->sasaddr = mpr_to_u64(&config_page.SASAddress);
 771         targ->parent_sasaddr = le64toh(parent_sas_address);
 772         targ->parent_devinfo = parent_devinfo;
 773         targ->tid = id;
 774         targ->linkrate = (linkrate>>4);
 775         targ->flags = 0;
 776         if (le16toh(config_page.Flags) &
 777             MPI25_SAS_DEVICE0_FLAGS_FAST_PATH_CAPABLE) {
 778                 targ->scsi_req_desc_type =
 779                     MPI25_REQ_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO;
 780         }
 781         if (le16toh(config_page.Flags) &
 782             MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) {
 783                 targ->encl_level_valid = TRUE;
 784         }
 785         TAILQ_INIT(&targ->commands);
 786         TAILQ_INIT(&targ->timedout_commands);
 787         while (!SLIST_EMPTY(&targ->luns)) {
 788                 lun = SLIST_FIRST(&targ->luns);
 789                 SLIST_REMOVE_HEAD(&targ->luns, lun_link);
 790                 free(lun, M_MPR);
 791         }
 792         SLIST_INIT(&targ->luns);
 793
 794         mpr_describe_devinfo(targ->devinfo, devstring, 80);
 795         mpr_dprint(sc, (MPR_XINFO|MPR_MAPPING), "Found device <%s> <%s> "
 796             "handle<0x%04x> enclosureHandle<0x%04x> slot %d\n", devstring,
 797             mpr_describe_table(mpr_linkrate_names, targ->linkrate),
 798             targ->handle, targ->encl_handle, targ->encl_slot);
 799         if (targ->encl_level_valid) {
 800                 mpr_dprint(sc, (MPR_XINFO|MPR_MAPPING), "At enclosure level %d "
 801                     "and connector name (%4s)\n", targ->encl_level,
 802                     targ->connector_name);
 803         }
 804 #if __FreeBSD_version < 1000039
 805         if ((sassc->flags & MPRSAS_IN_STARTUP) == 0)
 806 #endif
 807                 mprsas_rescan_target(sc, targ);
 808         mpr_dprint(sc, MPR_MAPPING, "Target id 0x%x added\n", targ->tid);
 809 out:
 810         mprsas_startup_decrement(sassc);
 811         return (error);
 812
 813 }
 814
 815 int
 816 mprsas_get_sas_address_for_sata_disk(struct mpr_softc *sc,
 817     u64 *sas_address, u16 handle, u32 device_info)
 818 {
 819         Mpi2SataPassthroughReply_t mpi_reply;
 820         int i, rc, try_count;
 821         u32 *bufferptr;
 822         union _sata_sas_address hash_address;
 823         struct _ata_identify_device_data ata_identify;
 824         u8 buffer[MPT2SAS_MN_LEN + MPT2SAS_SN_LEN];
 825         u32 ioc_status;
 826         u8 sas_status;
 827
 828         memset(&ata_identify, 0, sizeof(ata_identify));
 829         try_count = 0;
 830         do {
 831                 rc = mprsas_get_sata_identify(sc, handle, &mpi_reply,
 832                     (char *)&ata_identify, sizeof(ata_identify), device_info);
 833                 try_count++;
 834                 ioc_status = le16toh(mpi_reply.IOCStatus)
 835                     & MPI2_IOCSTATUS_MASK;
 836                 sas_status = mpi_reply.SASStatus;
 837         } while ((rc == -EAGAIN || ioc_status || sas_status) &&
 838             (try_count < 5));
 839
 840         if (rc == 0 && !ioc_status && !sas_status) {
 841                 mpr_dprint(sc, MPR_MAPPING, "%s: got SATA identify "
 842                     "successfully for handle = 0x%x with try_count = %d\n",
 843                     __func__, handle, try_count);
 844         } else {
 845                 mpr_dprint(sc, MPR_MAPPING, "%s: handle = 0x%x failed\n",
 846                     __func__, handle);
 847                 return -1;
 848         }
 849         /* Copy & byteswap the 40 byte model number to a buffer */
 850         for (i = 0; i < MPT2SAS_MN_LEN; i += 2) {
 851                 buffer[i] = ((u8 *)ata_identify.model_number)[i + 1];
 852                 buffer[i + 1] = ((u8 *)ata_identify.model_number)[i];
 853         }
 854         /* Copy & byteswap the 20 byte serial number to a buffer */
 855         for (i = 0; i < MPT2SAS_SN_LEN; i += 2) {
 856                 buffer[MPT2SAS_MN_LEN + i] =
 857                     ((u8 *)ata_identify.serial_number)[i + 1];
 858                 buffer[MPT2SAS_MN_LEN + i + 1] =
 859                     ((u8 *)ata_identify.serial_number)[i];
 860         }
 861         bufferptr = (u32 *)buffer;
 862         /* There are 60 bytes to hash down to 8. 60 isn't divisible by 8,
 863          * so loop through the first 56 bytes (7*8),
 864          * and then add in the last dword.
 865          */
 866         hash_address.word.low  = 0;
 867         hash_address.word.high = 0;
 868         for (i = 0; (i < ((MPT2SAS_MN_LEN+MPT2SAS_SN_LEN)/8)); i++) {
 869                 hash_address.word.low += *bufferptr;
 870                 bufferptr++;
 871                 hash_address.word.high += *bufferptr;
 872                 bufferptr++;
 873         }
 874         /* Add the last dword */
 875         hash_address.word.low += *bufferptr;
 876         /* Make sure the hash doesn't start with 5, because it could clash
 877          * with a SAS address. Change 5 to a D.
 878          */
 879         if ((hash_address.word.high & 0x000000F0) == (0x00000050))
 880                 hash_address.word.high |= 0x00000080;
 881         *sas_address = (u64)hash_address.wwid[0] << 56 |
 882             (u64)hash_address.wwid[1] << 48 | (u64)hash_address.wwid[2] << 40 |
 883             (u64)hash_address.wwid[3] << 32 | (u64)hash_address.wwid[4] << 24 |
 884             (u64)hash_address.wwid[5] << 16 | (u64)hash_address.wwid[6] <<  8 |
 885             (u64)hash_address.wwid[7];
 886         return 0;
 887 }
 888
 889 static int
 890 mprsas_get_sata_identify(struct mpr_softc *sc, u16 handle,
 891     Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz, u32 devinfo)
 892 {
 893         Mpi2SataPassthroughRequest_t *mpi_request;
 894         Mpi2SataPassthroughReply_t *reply;
 895         struct mpr_command *cm;
 896         char *buffer;
 897         int error = 0;
 898
 899         buffer = malloc( sz, M_MPR, M_NOWAIT | M_ZERO);
 900         if (!buffer)
 901                 return ENOMEM;
 902
 903         if ((cm = mpr_alloc_command(sc)) == NULL) {
 904                 free(buffer, M_MPR);
 905                 return (EBUSY);
 906         }
 907         mpi_request = (MPI2_SATA_PASSTHROUGH_REQUEST *)cm->cm_req;
 908         bzero(mpi_request,sizeof(MPI2_SATA_PASSTHROUGH_REQUEST));
 909         mpi_request->Function = MPI2_FUNCTION_SATA_PASSTHROUGH;
 910         mpi_request->VF_ID = 0;
 911         mpi_request->DevHandle = htole16(handle);
 912         mpi_request->PassthroughFlags = (MPI2_SATA_PT_REQ_PT_FLAGS_PIO |
 913             MPI2_SATA_PT_REQ_PT_FLAGS_READ);
 914         mpi_request->DataLength = htole32(sz);
 915         mpi_request->CommandFIS[0] = 0x27;
 916         mpi_request->CommandFIS[1] = 0x80;
 917         mpi_request->CommandFIS[2] =  (devinfo &
 918             MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? 0xA1 : 0xEC;
 919         cm->cm_sge = &mpi_request->SGL;
 920         cm->cm_sglsize = sizeof(MPI2_SGE_IO_UNION);
 921         cm->cm_flags = MPR_CM_FLAGS_DATAIN;
 922         cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
 923         cm->cm_data = buffer;
 924         cm->cm_length = htole32(sz);
 925         error = mpr_wait_command(sc, cm, 60, CAN_SLEEP);
 926         reply = (Mpi2SataPassthroughReply_t *)cm->cm_reply;
 927         if (error || (reply == NULL)) {
 928                 /* FIXME */
 929                 /*
 930                  * If the request returns an error then we need to do a diag
 931                  * reset
 932                  */
 933                 printf("%s: request for page completed with error %d",
 934                     __func__, error);
 935                 error = ENXIO;
 936                 goto out;
 937         }
 938         bcopy(buffer, id_buffer, sz);
 939         bcopy(reply, mpi_reply, sizeof(Mpi2SataPassthroughReply_t));
 940         if ((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) !=
 941             MPI2_IOCSTATUS_SUCCESS) {
 942                 printf("%s: error reading SATA PASSTHRU; iocstatus = 0x%x\n",
 943                     __func__, reply->IOCStatus);
 944                 error = ENXIO;
 945                 goto out;
 946         }
 947 out:
 948         mpr_free_command(sc, cm);
 949         free(buffer, M_MPR);
 950         return (error);
 951 }
 952
 953 static int
 954 mprsas_volume_add(struct mpr_softc *sc, u16 handle)
 955 {
 956         struct mprsas_softc *sassc;
 957         struct mprsas_target *targ;
 958         u64 wwid;
 959         unsigned int id;
 960         int error = 0;
 961         struct mprsas_lun *lun;
 962
 963         sassc = sc->sassc;
 964         mprsas_startup_increment(sassc);
 965         /* wwid is endian safe */
 966         mpr_config_get_volume_wwid(sc, handle, &wwid);
 967         if (!wwid) {
 968                 printf("%s: invalid WWID; cannot add volume to mapping table\n",
 969                     __func__);
 970                 error = ENXIO;
 971                 goto out;
 972         }
 973
 974         id = mpr_mapping_get_raid_id(sc, wwid, handle);
 975         if (id == MPR_MAP_BAD_ID) {
 976                 printf("%s: could not get ID for volume with handle 0x%04x and "
 977                     "WWID 0x%016llx\n", __func__, handle,
 978                     (unsigned long long)wwid);
 979                 error = ENXIO;
 980                 goto out;
 981         }
 982
 983         targ = &sassc->targets[id];
 984         targ->tid = id;
 985         targ->handle = handle;
 986         targ->devname = wwid;
 987         TAILQ_INIT(&targ->commands);
 988         TAILQ_INIT(&targ->timedout_commands);
 989         while (!SLIST_EMPTY(&targ->luns)) {
 990                 lun = SLIST_FIRST(&targ->luns);
 991                 SLIST_REMOVE_HEAD(&targ->luns, lun_link);
 992                 free(lun, M_MPR);
 993         }
 994         SLIST_INIT(&targ->luns);
 995 #if __FreeBSD_version < 1000039
 996         if ((sassc->flags & MPRSAS_IN_STARTUP) == 0)
 997 #endif
 998                 mprsas_rescan_target(sc, targ);
 999         mpr_dprint(sc, MPR_MAPPING, "RAID target id %d added (WWID = 0x%jx)\n",
1000             targ->tid, wwid);
1001 out:
1002         mprsas_startup_decrement(sassc);
1003         return (error);
1004 }
1005
1006 /**
1007  * mprsas_SSU_to_SATA_devices
1008  * @sc: per adapter object
1009  *
1010  * Looks through the target list and issues a StartStopUnit SCSI command to each
1011  * SATA direct-access device.  This helps to ensure that data corruption is
1012  * avoided when the system is being shut down.  This must be called after the IR
1013  * System Shutdown RAID Action is sent if in IR mode.
1014  *
1015  * Return nothing.
1016  */
1017 static void
1018 mprsas_SSU_to_SATA_devices(struct mpr_softc *sc)
1019 {
1020         struct mprsas_softc *sassc = sc->sassc;
1021         union ccb *ccb;
1022         path_id_t pathid = cam_sim_path(sassc->sim);
1023         target_id_t targetid;
1024         struct mprsas_target *target;
1025         struct mprsas_lun *lun;
1026         char path_str[64];
1027         struct timeval cur_time, start_time;
1028
1029         /*
1030          * For each LUN of each target, issue a StartStopUnit command to stop
1031          * the device.
1032          */
1033         sc->SSU_started = TRUE;
1034         sc->SSU_refcount = 0;
1035         for (targetid = 0; targetid < sc->facts->MaxTargets; targetid++) {
1036                 target = &sassc->targets[targetid];
1037                 if (target->handle == 0x0) {
1038                         continue;
1039                 }
1040
1041                 SLIST_FOREACH(lun, &target->luns, lun_link) {
1042                         ccb = xpt_alloc_ccb_nowait();
1043                         if (ccb == NULL) {
1044                                 mpr_dprint(sc, MPR_FAULT, "Unable to alloc "
1045                                     "CCB to stop unit.\n");
1046                                 return;
1047                         }
1048
1049                         /*
1050                          * The stop_at_shutdown flag will be set if this LUN is
1051                          * a SATA direct-access end device.
1052                          */
1053                         if (lun->stop_at_shutdown) {
1054                                 if (xpt_create_path(&ccb->ccb_h.path,
1055                                     xpt_periph, pathid, targetid,
1056                                     lun->lun_id) != CAM_REQ_CMP) {
1057                                         mpr_dprint(sc, MPR_FAULT, "Unable to "
1058                                             "create LUN path to stop unit.\n");
1059                                         xpt_free_ccb(ccb);
1060                                         return;
1061                                 }
1062                                 xpt_path_string(ccb->ccb_h.path, path_str,
1063                                     sizeof(path_str));
1064
1065                                 mpr_dprint(sc, MPR_INFO, "Sending StopUnit: "
1066                                     "path %s handle %d\n", path_str,
1067                                     target->handle);
1068
1069                                 /*
1070                                  * Issue a START STOP UNIT command for the LUN.
1071                                  * Increment the SSU counter to be used to
1072                                  * count the number of required replies.
1073                                  */
1074                                 mpr_dprint(sc, MPR_INFO, "Incrementing SSU "
1075                                     "count\n");
1076                                 sc->SSU_refcount++;
1077                                 ccb->ccb_h.target_id =
1078                                     xpt_path_target_id(ccb->ccb_h.path);
1079                                 ccb->ccb_h.target_lun = lun->lun_id;
1080                                 ccb->ccb_h.ppriv_ptr1 = sassc;
1081                                 scsi_start_stop(&ccb->csio,
1082                                     /*retries*/0,
1083                                     mprsas_stop_unit_done,
1084                                     MSG_SIMPLE_Q_TAG,
1085                                     /*start*/FALSE,
1086                                     /*load/eject*/0,
1087                                     /*immediate*/FALSE,
1088                                     MPR_SENSE_LEN,
1089                                     /*timeout*/10000);
1090                                 xpt_action(ccb);
1091                         }
1092                 }
1093         }
1094
1095         /*
1096          * Wait until all of the SSU commands have completed or time has
1097          * expired (60 seconds).  pause for 100ms each time through.  If any
1098          * command times out, the target will be reset in the SCSI command
1099          * timeout routine.
1100          */
1101         getmicrotime(&start_time);
1102         while (sc->SSU_refcount) {
1103                 pause("mprwait", hz/10);
1104
1105                 getmicrotime(&cur_time);
1106                 if ((cur_time.tv_sec - start_time.tv_sec) > 60) {
1107                         mpr_dprint(sc, MPR_FAULT, "Time has expired waiting "
1108                             "for SSU commands to complete.\n");
1109                         break;
1110                 }
1111         }
1112 }
1113
1114 static void
1115 mprsas_stop_unit_done(struct cam_periph *periph, union ccb *done_ccb)
1116 {
1117         struct mprsas_softc *sassc;
1118         char path_str[64];
1119
1120         sassc = (struct mprsas_softc *)done_ccb->ccb_h.ppriv_ptr1;
1121
1122         xpt_path_string(done_ccb->ccb_h.path, path_str, sizeof(path_str));
1123         mpr_dprint(sassc->sc, MPR_INFO, "Completing stop unit for %s\n",
1124             path_str);
1125
1126         if (done_ccb == NULL)
1127                 return;
1128
1129         /*
1130          * Nothing more to do except free the CCB and path.  If the command
1131          * timed out, an abort reset, then target reset will be issued during
1132          * the SCSI Command process.
1133          */
1134         xpt_free_path(done_ccb->ccb_h.path);
1135         xpt_free_ccb(done_ccb);
1136 }
1137
1138 /**
1139  * mprsas_ir_shutdown - IR shutdown notification
1140  * @sc: per adapter object
1141  *
1142  * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that
1143  * the host system is shutting down.
1144  *
1145  * Return nothing.
1146  */
1147 void
1148 mprsas_ir_shutdown(struct mpr_softc *sc)
1149 {
1150         u16 volume_mapping_flags;
1151         u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1152         struct dev_mapping_table *mt_entry;
1153         u32 start_idx, end_idx;
1154         unsigned int id, found_volume = 0;
1155         struct mpr_command *cm;
1156         Mpi2RaidActionRequest_t *action;
1157
1158         mpr_dprint(sc, MPR_TRACE, "%s\n", __func__);
1159
1160         /* is IR firmware build loaded? */
1161         if (!sc->ir_firmware)
1162                 goto out;
1163
1164         /* are there any volumes?  Look at IR target IDs. */
1165         // TODO-later, this should be looked up in the RAID config structure
1166         // when it is implemented.
1167         volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) &
1168             MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
1169         if (volume_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) {
1170                 start_idx = 0;
1171                 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0)
1172                         start_idx = 1;
1173         } else
1174                 start_idx = sc->max_devices - sc->max_volumes;
1175         end_idx = start_idx + sc->max_volumes - 1;
1176
1177         for (id = start_idx; id < end_idx; id++) {
1178                 mt_entry = &sc->mapping_table[id];
1179                 if ((mt_entry->physical_id != 0) &&
1180                     (mt_entry->missing_count == 0)) {
1181                         found_volume = 1;
1182                         break;
1183                 }
1184         }
1185
1186         if (!found_volume)
1187                 goto out;
1188
1189         if ((cm = mpr_alloc_command(sc)) == NULL) {
1190                 printf("%s: command alloc failed\n", __func__);
1191                 goto out;
1192         }
1193
1194         action = (MPI2_RAID_ACTION_REQUEST *)cm->cm_req;
1195         action->Function = MPI2_FUNCTION_RAID_ACTION;
1196         action->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED;
1197         cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
1198         mpr_lock(sc);
1199         mpr_wait_command(sc, cm, 5, CAN_SLEEP);
1200         mpr_unlock(sc);
1201
1202         /*
1203          * Don't check for reply, just leave.
1204          */
1205         if (cm)
1206                 mpr_free_command(sc, cm);
1207
1208 out:
1209         mprsas_SSU_to_SATA_devices(sc);
1210 }