sys/dev/mpr/mpr_sas_lsi.c

   1 /*-
   2  * Copyright (c) 2011-2015 LSI Corp.
   3  * Copyright (c) 2013-2016 Avago Technologies
   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  * Avago Technologies (LSI) MPT-Fusion Host Adapter FreeBSD
  28  */
  29
  30 #include <sys/cdefs.h>
  31 __FBSDID("$FreeBSD$");
  32
  33 /* Communications core for Avago Technologies (LSI) MPT3 */
  34
  35 /* TODO Move headers to mprvar */
  36 #include <sys/types.h>
  37 #include <sys/param.h>
  38 #include <sys/systm.h>
  39 #include <sys/kernel.h>
  40 #include <sys/selinfo.h>
  41 #include <sys/module.h>
  42 #include <sys/bus.h>
  43 #include <sys/conf.h>
  44 #include <sys/bio.h>
  45 #include <sys/malloc.h>
  46 #include <sys/uio.h>
  47 #include <sys/sysctl.h>
  48 #include <sys/endian.h>
  49 #include <sys/queue.h>
  50 #include <sys/kthread.h>
  51 #include <sys/taskqueue.h>
  52 #include <sys/sbuf.h>
  53
  54 #include <machine/bus.h>
  55 #include <machine/resource.h>
  56 #include <sys/rman.h>
  57
  58 #include <machine/stdarg.h>
  59
  60 #include <cam/cam.h>
  61 #include <cam/cam_ccb.h>
  62 #include <cam/cam_debug.h>
  63 #include <cam/cam_sim.h>
  64 #include <cam/cam_xpt_sim.h>
  65 #include <cam/cam_xpt_periph.h>
  66 #include <cam/cam_periph.h>
  67 #include <cam/scsi/scsi_all.h>
  68 #include <cam/scsi/scsi_message.h>
  69
  70 #include <dev/mpr/mpi/mpi2_type.h>
  71 #include <dev/mpr/mpi/mpi2.h>
  72 #include <dev/mpr/mpi/mpi2_ioc.h>
  73 #include <dev/mpr/mpi/mpi2_sas.h>
  74 #include <dev/mpr/mpi/mpi2_pci.h>
  75 #include <dev/mpr/mpi/mpi2_cnfg.h>
  76 #include <dev/mpr/mpi/mpi2_init.h>
  77 #include <dev/mpr/mpi/mpi2_raid.h>
  78 #include <dev/mpr/mpi/mpi2_tool.h>
  79 #include <dev/mpr/mpr_ioctl.h>
  80 #include <dev/mpr/mprvar.h>
  81 #include <dev/mpr/mpr_table.h>
  82 #include <dev/mpr/mpr_sas.h>
  83
  84 /* For Hashed SAS Address creation for SATA Drives */
  85 #define MPT2SAS_SN_LEN 20
  86 #define MPT2SAS_MN_LEN 40
  87
  88 struct mpr_fw_event_work {
  89         u16                     event;
  90         void                    *event_data;
  91         TAILQ_ENTRY(mpr_fw_event_work)  ev_link;
  92 };
  93
  94 union _sata_sas_address {
  95         u8 wwid[8];
  96         struct {
  97                 u32 high;
  98                 u32 low;
  99         } word;
 100 };
 101
 102 /*
 103  * define the IDENTIFY DEVICE structure
 104  */
 105 struct _ata_identify_device_data {
 106         u16 reserved1[10];      /* 0-9 */
 107         u16 serial_number[10];  /* 10-19 */
 108         u16 reserved2[7];       /* 20-26 */
 109         u16 model_number[20];   /* 27-46*/
 110         u16 reserved3[170];     /* 47-216 */
 111         u16 rotational_speed;   /* 217 */
 112         u16 reserved4[38];      /* 218-255 */
 113 };
 114 static u32 event_count;
 115 static void mprsas_fw_work(struct mpr_softc *sc,
 116     struct mpr_fw_event_work *fw_event);
 117 static void mprsas_fw_event_free(struct mpr_softc *,
 118     struct mpr_fw_event_work *);
 119 static int mprsas_add_device(struct mpr_softc *sc, u16 handle, u8 linkrate);
 120 static int mprsas_add_pcie_device(struct mpr_softc *sc, u16 handle,
 121     u8 linkrate);
 122 static int mprsas_get_sata_identify(struct mpr_softc *sc, u16 handle,
 123     Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz,
 124     u32 devinfo);
 125 static void mprsas_ata_id_timeout(void *data);
 126 int mprsas_get_sas_address_for_sata_disk(struct mpr_softc *sc,
 127     u64 *sas_address, u16 handle, u32 device_info, u8 *is_SATA_SSD);
 128 static int mprsas_volume_add(struct mpr_softc *sc,
 129     u16 handle);
 130 static void mprsas_SSU_to_SATA_devices(struct mpr_softc *sc);
 131 static void mprsas_stop_unit_done(struct cam_periph *periph,
 132     union ccb *done_ccb);
 133
 134 void
 135 mprsas_evt_handler(struct mpr_softc *sc, uintptr_t data,
 136     MPI2_EVENT_NOTIFICATION_REPLY *event)
 137 {
 138         struct mpr_fw_event_work *fw_event;
 139         u16 sz;
 140
 141         mpr_dprint(sc, MPR_TRACE, "%s\n", __func__);
 142         mpr_print_evt_sas(sc, event);
 143         mprsas_record_event(sc, event);
 144
 145         fw_event = malloc(sizeof(struct mpr_fw_event_work), M_MPR,
 146              M_ZERO|M_NOWAIT);
 147         if (!fw_event) {
 148                 printf("%s: allocate failed for fw_event\n", __func__);
 149                 return;
 150         }
 151         sz = le16toh(event->EventDataLength) * 4;
 152         fw_event->event_data = malloc(sz, M_MPR, M_ZERO|M_NOWAIT);
 153         if (!fw_event->event_data) {
 154                 printf("%s: allocate failed for event_data\n", __func__);
 155                 free(fw_event, M_MPR);
 156                 return;
 157         }
 158
 159         bcopy(event->EventData, fw_event->event_data, sz);
 160         fw_event->event = event->Event;
 161         if ((event->Event == MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST ||
 162             event->Event == MPI2_EVENT_PCIE_TOPOLOGY_CHANGE_LIST ||
 163             event->Event == MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE ||
 164             event->Event == MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST) &&
 165             sc->track_mapping_events)
 166                 sc->pending_map_events++;
 167
 168         /*
 169          * When wait_for_port_enable flag is set, make sure that all the events
 170          * are processed. Increment the startup_refcount and decrement it after
 171          * events are processed.
 172          */
 173         if ((event->Event == MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST ||
 174             event->Event == MPI2_EVENT_PCIE_TOPOLOGY_CHANGE_LIST ||
 175             event->Event == MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST) &&
 176             sc->wait_for_port_enable)
 177                 mprsas_startup_increment(sc->sassc);
 178
 179         TAILQ_INSERT_TAIL(&sc->sassc->ev_queue, fw_event, ev_link);
 180         taskqueue_enqueue(sc->sassc->ev_tq, &sc->sassc->ev_task);
 181 }
 182
 183 static void
 184 mprsas_fw_event_free(struct mpr_softc *sc, struct mpr_fw_event_work *fw_event)
 185 {
 186
 187         free(fw_event->event_data, M_MPR);
 188         free(fw_event, M_MPR);
 189 }
 190
 191 /**
 192  * _mpr_fw_work - delayed task for processing firmware events
 193  * @sc: per adapter object
 194  * @fw_event: The fw_event_work object
 195  * Context: user.
 196  *
 197  * Return nothing.
 198  */
 199 static void
 200 mprsas_fw_work(struct mpr_softc *sc, struct mpr_fw_event_work *fw_event)
 201 {
 202         struct mprsas_softc *sassc;
 203         sassc = sc->sassc;
 204
 205         mpr_dprint(sc, MPR_EVENT, "(%d)->(%s) Working on  Event: [%x]\n",
 206             event_count++, __func__, fw_event->event);
 207         switch (fw_event->event) {
 208         case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
 209         {
 210                 MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST *data;
 211                 MPI2_EVENT_SAS_TOPO_PHY_ENTRY *phy;
 212                 uint8_t i;
 213
 214                 data = (MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST *)
 215                     fw_event->event_data;
 216
 217                 mpr_mapping_topology_change_event(sc, fw_event->event_data);
 218
 219                 for (i = 0; i < data->NumEntries; i++) {
 220                         phy = &data->PHY[i];
 221                         switch (phy->PhyStatus & MPI2_EVENT_SAS_TOPO_RC_MASK) {
 222                         case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
 223                                 if (mprsas_add_device(sc,
 224                                     le16toh(phy->AttachedDevHandle),
 225                                     phy->LinkRate)) {
 226                                         printf("%s: failed to add device with "
 227                                             "handle 0x%x\n", __func__,
 228                                             le16toh(phy->AttachedDevHandle));
 229                                         mprsas_prepare_remove(sassc, le16toh(
 230                                             phy->AttachedDevHandle));
 231                                 }
 232                                 break;
 233                         case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING:
 234                                 mprsas_prepare_remove(sassc, le16toh(
 235                                     phy->AttachedDevHandle));
 236                                 break;
 237                         case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
 238                         case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE:
 239                         case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING:
 240                         default:
 241                                 break;
 242                         }
 243                 }
 244                 /*
 245                  * refcount was incremented for this event in
 246                  * mprsas_evt_handler.  Decrement it here because the event has
 247                  * been processed.
 248                  */
 249                 mprsas_startup_decrement(sassc);
 250                 break;
 251         }
 252         case MPI2_EVENT_SAS_DISCOVERY:
 253         {
 254                 MPI2_EVENT_DATA_SAS_DISCOVERY *data;
 255
 256                 data = (MPI2_EVENT_DATA_SAS_DISCOVERY *)fw_event->event_data;
 257
 258                 if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_STARTED)
 259                         mpr_dprint(sc, MPR_TRACE,"SAS discovery start event\n");
 260                 if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_COMPLETED) {
 261                         mpr_dprint(sc, MPR_TRACE,"SAS discovery stop event\n");
 262                         sassc->flags &= ~MPRSAS_IN_DISCOVERY;
 263                         mprsas_discovery_end(sassc);
 264                 }
 265                 break;
 266         }
 267         case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
 268         {
 269                 Mpi2EventDataSasEnclDevStatusChange_t *data;
 270                 data = (Mpi2EventDataSasEnclDevStatusChange_t *)
 271                     fw_event->event_data;
 272                 mpr_mapping_enclosure_dev_status_change_event(sc,
 273                     fw_event->event_data);
 274                 break;
 275         }
 276         case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
 277         {
 278                 Mpi2EventIrConfigElement_t *element;
 279                 int i;
 280                 u8 foreign_config, reason;
 281                 u16 elementType;
 282                 Mpi2EventDataIrConfigChangeList_t *event_data;
 283                 struct mprsas_target *targ;
 284                 unsigned int id;
 285
 286                 event_data = fw_event->event_data;
 287                 foreign_config = (le32toh(event_data->Flags) &
 288                     MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0;
 289
 290                 element =
 291                     (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
 292                 id = mpr_mapping_get_raid_id_from_handle(sc,
 293                     element->VolDevHandle);
 294
 295                 mpr_mapping_ir_config_change_event(sc, event_data);
 296                 for (i = 0; i < event_data->NumElements; i++, element++) {
 297                         reason = element->ReasonCode;
 298                         elementType = le16toh(element->ElementFlags) &
 299                             MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK;
 300                         /*
 301                          * check for element type of Phys Disk or Hot Spare
 302                          */
 303                         if ((elementType !=
 304                             MPI2_EVENT_IR_CHANGE_EFLAGS_VOLPHYSDISK_ELEMENT)
 305                             && (elementType !=
 306                             MPI2_EVENT_IR_CHANGE_EFLAGS_HOTSPARE_ELEMENT))
 307                                 // do next element
 308                                 goto skip_fp_send;
 309
 310                         /*
 311                          * check for reason of Hide, Unhide, PD Created, or PD
 312                          * Deleted
 313                          */
 314                         if ((reason != MPI2_EVENT_IR_CHANGE_RC_HIDE) &&
 315                             (reason != MPI2_EVENT_IR_CHANGE_RC_UNHIDE) &&
 316                             (reason != MPI2_EVENT_IR_CHANGE_RC_PD_CREATED) &&
 317                             (reason != MPI2_EVENT_IR_CHANGE_RC_PD_DELETED))
 318                                 goto skip_fp_send;
 319
 320                         // check for a reason of Hide or PD Created
 321                         if ((reason == MPI2_EVENT_IR_CHANGE_RC_HIDE) ||
 322                             (reason == MPI2_EVENT_IR_CHANGE_RC_PD_CREATED))
 323                         {
 324                                 // build RAID Action message
 325                                 Mpi2RaidActionRequest_t *action;
 326                                 Mpi2RaidActionReply_t *reply;
 327                                 struct mpr_command *cm;
 328                                 int error = 0;
 329                                 if ((cm = mpr_alloc_command(sc)) == NULL) {
 330                                         printf("%s: command alloc failed\n",
 331                                             __func__);
 332                                         return;
 333                                 }
 334
 335                                 mpr_dprint(sc, MPR_EVENT, "Sending FP action "
 336                                     "from "
 337                                     "MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST "
 338                                     ":\n");
 339                                 action = (MPI2_RAID_ACTION_REQUEST *)cm->cm_req;
 340                                 action->Function = MPI2_FUNCTION_RAID_ACTION;
 341                                 action->Action =
 342                                     MPI2_RAID_ACTION_PHYSDISK_HIDDEN;
 343                                 action->PhysDiskNum = element->PhysDiskNum;
 344                                 cm->cm_desc.Default.RequestFlags =
 345                                     MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
 346                                 error = mpr_request_polled(sc, cm);
 347                                 reply = (Mpi2RaidActionReply_t *)cm->cm_reply;
 348                                 if (error || (reply == NULL)) {
 349                                         /* FIXME */
 350                                         /*
 351                                          * If the poll returns error then we
 352                                          * need to do diag reset
 353                                          */
 354                                         printf("%s: poll for page completed "
 355                                             "with error %d", __func__, error);
 356                                 }
 357                                 if (reply && (le16toh(reply->IOCStatus) &
 358                                     MPI2_IOCSTATUS_MASK) !=
 359                                     MPI2_IOCSTATUS_SUCCESS) {
 360                                         mpr_dprint(sc, MPR_ERROR, "%s: error "
 361                                             "sending RaidActionPage; "
 362                                             "iocstatus = 0x%x\n", __func__,
 363                                             le16toh(reply->IOCStatus));
 364                                 }
 365
 366                                 if (cm)
 367                                         mpr_free_command(sc, cm);
 368                         }
 369 skip_fp_send:
 370                         mpr_dprint(sc, MPR_EVENT, "Received "
 371                             "MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST Reason "
 372                             "code %x:\n", element->ReasonCode);
 373                         switch (element->ReasonCode) {
 374                         case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED:
 375                         case MPI2_EVENT_IR_CHANGE_RC_ADDED:
 376                                 if (!foreign_config) {
 377                                         if (mprsas_volume_add(sc,
 378                                             le16toh(element->VolDevHandle))) {
 379                                                 printf("%s: failed to add RAID "
 380                                                     "volume with handle 0x%x\n",
 381                                                     __func__, le16toh(element->
 382                                                     VolDevHandle));
 383                                         }
 384                                 }
 385                                 break;
 386                         case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED:
 387                         case MPI2_EVENT_IR_CHANGE_RC_REMOVED:
 388                                 /*
 389                                  * Rescan after volume is deleted or removed.
 390                                  */
 391                                 if (!foreign_config) {
 392                                         if (id == MPR_MAP_BAD_ID) {
 393                                                 printf("%s: could not get ID "
 394                                                     "for volume with handle "
 395                                                     "0x%04x\n", __func__,
 396                                                     le16toh(element->
 397                                                     VolDevHandle));
 398                                                 break;
 399                                         }
 400
 401                                         targ = &sassc->targets[id];
 402                                         targ->handle = 0x0;
 403                                         targ->encl_slot = 0x0;
 404                                         targ->encl_handle = 0x0;
 405                                         targ->encl_level_valid = 0x0;
 406                                         targ->encl_level = 0x0;
 407                                         targ->connector_name[0] = ' ';
 408                                         targ->connector_name[1] = ' ';
 409                                         targ->connector_name[2] = ' ';
 410                                         targ->connector_name[3] = ' ';
 411                                         targ->exp_dev_handle = 0x0;
 412                                         targ->phy_num = 0x0;
 413                                         targ->linkrate = 0x0;
 414                                         mprsas_rescan_target(sc, targ);
 415                                         printf("RAID target id 0x%x removed\n",
 416                                             targ->tid);
 417                                 }
 418                                 break;
 419                         case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED:
 420                         case MPI2_EVENT_IR_CHANGE_RC_HIDE:
 421                                 /*
 422                                  * Phys Disk of a volume has been created.  Hide
 423                                  * it from the OS.
 424                                  */
 425                                 targ = mprsas_find_target_by_handle(sassc, 0,
 426                                     element->PhysDiskDevHandle);
 427                                 if (targ == NULL)
 428                                         break;
 429                                 targ->flags |= MPR_TARGET_FLAGS_RAID_COMPONENT;
 430                                 mprsas_rescan_target(sc, targ);
 431                                 break;
 432                         case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED:
 433                                 /*
 434                                  * Phys Disk of a volume has been deleted.
 435                                  * Expose it to the OS.
 436                                  */
 437                                 if (mprsas_add_device(sc,
 438                                     le16toh(element->PhysDiskDevHandle), 0)) {
 439                                         printf("%s: failed to add device with "
 440                                             "handle 0x%x\n", __func__,
 441                                             le16toh(element->
 442                                             PhysDiskDevHandle));
 443                                         mprsas_prepare_remove(sassc,
 444                                             le16toh(element->
 445                                             PhysDiskDevHandle));
 446                                 }
 447                                 break;
 448                         }
 449                 }
 450                 /*
 451                  * refcount was incremented for this event in
 452                  * mprsas_evt_handler.  Decrement it here because the event has
 453                  * been processed.
 454                  */
 455                 mprsas_startup_decrement(sassc);
 456                 break;
 457         }
 458         case MPI2_EVENT_IR_VOLUME:
 459         {
 460                 Mpi2EventDataIrVolume_t *event_data = fw_event->event_data;
 461
 462                 /*
 463                  * Informational only.
 464                  */
 465                 mpr_dprint(sc, MPR_EVENT, "Received IR Volume event:\n");
 466                 switch (event_data->ReasonCode) {
 467                 case MPI2_EVENT_IR_VOLUME_RC_SETTINGS_CHANGED:
 468                         mpr_dprint(sc, MPR_EVENT, "   Volume Settings "
 469                             "changed from 0x%x to 0x%x for Volome with "
 470                             "handle 0x%x", le32toh(event_data->PreviousValue),
 471                             le32toh(event_data->NewValue),
 472                             le16toh(event_data->VolDevHandle));
 473                         break;
 474                 case MPI2_EVENT_IR_VOLUME_RC_STATUS_FLAGS_CHANGED:
 475                         mpr_dprint(sc, MPR_EVENT, "   Volume Status "
 476                             "changed from 0x%x to 0x%x for Volome with "
 477                             "handle 0x%x", le32toh(event_data->PreviousValue),
 478                             le32toh(event_data->NewValue),
 479                             le16toh(event_data->VolDevHandle));
 480                         break;
 481                 case MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED:
 482                         mpr_dprint(sc, MPR_EVENT, "   Volume State "
 483                             "changed from 0x%x to 0x%x for Volome with "
 484                             "handle 0x%x", le32toh(event_data->PreviousValue),
 485                             le32toh(event_data->NewValue),
 486                             le16toh(event_data->VolDevHandle));
 487                                 u32 state;
 488                                 struct mprsas_target *targ;
 489                                 state = le32toh(event_data->NewValue);
 490                                 switch (state) {
 491                                 case MPI2_RAID_VOL_STATE_MISSING:
 492                                 case MPI2_RAID_VOL_STATE_FAILED:
 493                                         mprsas_prepare_volume_remove(sassc,
 494                                             event_data->VolDevHandle);
 495                                         break;
 496
 497                                 case MPI2_RAID_VOL_STATE_ONLINE:
 498                                 case MPI2_RAID_VOL_STATE_DEGRADED:
 499                                 case MPI2_RAID_VOL_STATE_OPTIMAL:
 500                                         targ =
 501                                             mprsas_find_target_by_handle(sassc,
 502                                             0, event_data->VolDevHandle);
 503                                         if (targ) {
 504                                                 printf("%s %d: Volume handle "
 505                                                     "0x%x is already added \n",
 506                                                     __func__, __LINE__,
 507                                                     event_data->VolDevHandle);
 508                                                 break;
 509                                         }
 510                                         if (mprsas_volume_add(sc,
 511                                             le16toh(event_data->
 512                                             VolDevHandle))) {
 513                                                 printf("%s: failed to add RAID "
 514                                                     "volume with handle 0x%x\n",
 515                                                     __func__, le16toh(
 516                                                     event_data->VolDevHandle));
 517                                         }
 518                                         break;
 519                                 default:
 520                                         break;
 521                                 }
 522                         break;
 523                 default:
 524                         break;
 525                 }
 526                 break;
 527         }
 528         case MPI2_EVENT_IR_PHYSICAL_DISK:
 529         {
 530                 Mpi2EventDataIrPhysicalDisk_t *event_data =
 531                     fw_event->event_data;
 532                 struct mprsas_target *targ;
 533
 534                 /*
 535                  * Informational only.
 536                  */
 537                 mpr_dprint(sc, MPR_EVENT, "Received IR Phys Disk event:\n");
 538                 switch (event_data->ReasonCode) {
 539                 case MPI2_EVENT_IR_PHYSDISK_RC_SETTINGS_CHANGED:
 540                         mpr_dprint(sc, MPR_EVENT, "   Phys Disk Settings "
 541                             "changed from 0x%x to 0x%x for Phys Disk Number "
 542                             "%d and handle 0x%x at Enclosure handle 0x%x, Slot "
 543                             "%d", le32toh(event_data->PreviousValue),
 544                             le32toh(event_data->NewValue),
 545                             event_data->PhysDiskNum,
 546                             le16toh(event_data->PhysDiskDevHandle),
 547                             le16toh(event_data->EnclosureHandle),
 548                             le16toh(event_data->Slot));
 549                         break;
 550                 case MPI2_EVENT_IR_PHYSDISK_RC_STATUS_FLAGS_CHANGED:
 551                         mpr_dprint(sc, MPR_EVENT, "   Phys Disk Status changed "
 552                             "from 0x%x to 0x%x for Phys Disk Number %d and "
 553                             "handle 0x%x at Enclosure handle 0x%x, Slot %d",
 554                             le32toh(event_data->PreviousValue),
 555                             le32toh(event_data->NewValue),
 556                             event_data->PhysDiskNum,
 557                             le16toh(event_data->PhysDiskDevHandle),
 558                             le16toh(event_data->EnclosureHandle),
 559                             le16toh(event_data->Slot));
 560                         break;
 561                 case MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED:
 562                         mpr_dprint(sc, MPR_EVENT, "   Phys Disk State changed "
 563                             "from 0x%x to 0x%x for Phys Disk Number %d and "
 564                             "handle 0x%x at Enclosure handle 0x%x, Slot %d",
 565                             le32toh(event_data->PreviousValue),
 566                             le32toh(event_data->NewValue),
 567                             event_data->PhysDiskNum,
 568                             le16toh(event_data->PhysDiskDevHandle),
 569                             le16toh(event_data->EnclosureHandle),
 570                             le16toh(event_data->Slot));
 571                         switch (event_data->NewValue) {
 572                                 case MPI2_RAID_PD_STATE_ONLINE:
 573                                 case MPI2_RAID_PD_STATE_DEGRADED:
 574                                 case MPI2_RAID_PD_STATE_REBUILDING:
 575                                 case MPI2_RAID_PD_STATE_OPTIMAL:
 576                                 case MPI2_RAID_PD_STATE_HOT_SPARE:
 577                                         targ = mprsas_find_target_by_handle(
 578                                             sassc, 0,
 579                                             event_data->PhysDiskDevHandle);
 580                                         if (targ) {
 581                                                 targ->flags |=
 582                                                     MPR_TARGET_FLAGS_RAID_COMPONENT;
 583                                                 printf("%s %d: Found Target "
 584                                                     "for handle 0x%x.\n",
 585                                                     __func__, __LINE__ ,
 586                                                     event_data->
 587                                                     PhysDiskDevHandle);
 588                                         }
 589                                 break;
 590                                 case MPI2_RAID_PD_STATE_OFFLINE:
 591                                 case MPI2_RAID_PD_STATE_NOT_CONFIGURED:
 592                                 case MPI2_RAID_PD_STATE_NOT_COMPATIBLE:
 593                                 default:
 594                                         targ = mprsas_find_target_by_handle(
 595                                             sassc, 0,
 596                                             event_data->PhysDiskDevHandle);
 597                                         if (targ) {
 598                                                 targ->flags |=
 599                                             ~MPR_TARGET_FLAGS_RAID_COMPONENT;
 600                                                 printf("%s %d: Found Target "
 601                                                     "for handle 0x%x.  \n",
 602                                                     __func__, __LINE__ ,
 603                                                     event_data->
 604                                                     PhysDiskDevHandle);
 605                                         }
 606                                 break;
 607                         }
 608                 default:
 609                         break;
 610                 }
 611                 break;
 612         }
 613         case MPI2_EVENT_IR_OPERATION_STATUS:
 614         {
 615                 Mpi2EventDataIrOperationStatus_t *event_data =
 616                     fw_event->event_data;
 617
 618                 /*
 619                  * Informational only.
 620                  */
 621                 mpr_dprint(sc, MPR_EVENT, "Received IR Op Status event:\n");
 622                 mpr_dprint(sc, MPR_EVENT, "   RAID Operation of %d is %d "
 623                     "percent complete for Volume with handle 0x%x",
 624                     event_data->RAIDOperation, event_data->PercentComplete,
 625                     le16toh(event_data->VolDevHandle));
 626                 break;
 627         }
 628         case MPI2_EVENT_TEMP_THRESHOLD:
 629         {
 630                 pMpi2EventDataTemperature_t     temp_event;
 631
 632                 temp_event = (pMpi2EventDataTemperature_t)fw_event->event_data;
 633
 634                 /*
 635                  * The Temp Sensor Count must be greater than the event's Sensor
 636                  * Num to be valid.  If valid, print the temp thresholds that
 637                  * have been exceeded.
 638                  */
 639                 if (sc->iounit_pg8.NumSensors > temp_event->SensorNum) {
 640                         mpr_dprint(sc, MPR_FAULT, "Temperature Threshold flags "
 641                             "%s %s %s %s exceeded for Sensor: %d !!!\n",
 642                             ((temp_event->Status & 0x01) == 1) ? "0 " : " ",
 643                             ((temp_event->Status & 0x02) == 2) ? "1 " : " ",
 644                             ((temp_event->Status & 0x04) == 4) ? "2 " : " ",
 645                             ((temp_event->Status & 0x08) == 8) ? "3 " : " ",
 646                             temp_event->SensorNum);
 647                         mpr_dprint(sc, MPR_FAULT, "Current Temp in Celsius: "
 648                             "%d\n", temp_event->CurrentTemperature);
 649                 }
 650                 break;
 651         }
 652         case MPI2_EVENT_ACTIVE_CABLE_EXCEPTION:
 653         {
 654                 pMpi26EventDataActiveCableExcept_t      ace_event_data;
 655                 ace_event_data =
 656                     (pMpi26EventDataActiveCableExcept_t)fw_event->event_data;
 657
 658                 switch(ace_event_data->ReasonCode) {
 659                 case MPI26_EVENT_ACTIVE_CABLE_INSUFFICIENT_POWER:
 660                 {
 661                         mpr_printf(sc, "Currently a cable with "
 662                             "ReceptacleID %d cannot be powered and device "
 663                             "connected to this active cable will not be seen. "
 664                             "This active cable requires %d mW of power.\n",
 665                             ace_event_data->ReceptacleID,
 666                             ace_event_data->ActiveCablePowerRequirement);
 667                         break;
 668                 }
 669                 case MPI26_EVENT_ACTIVE_CABLE_DEGRADED:
 670                 {
 671                         mpr_printf(sc, "Currently a cable with "
 672                             "ReceptacleID %d is not running at optimal speed "
 673                             "(12 Gb/s rate)\n", ace_event_data->ReceptacleID);
 674                         break;
 675                 }
 676                 default:
 677                         break;
 678                 }
 679                 break;
 680         }
 681         case MPI2_EVENT_PCIE_TOPOLOGY_CHANGE_LIST:
 682         {
 683                 MPI26_EVENT_DATA_PCIE_TOPOLOGY_CHANGE_LIST *data;
 684                 MPI26_EVENT_PCIE_TOPO_PORT_ENTRY *port_entry;
 685                 uint8_t i, link_rate;
 686                 uint16_t handle;
 687
 688                 data = (MPI26_EVENT_DATA_PCIE_TOPOLOGY_CHANGE_LIST *)
 689                     fw_event->event_data;
 690
 691                 mpr_mapping_pcie_topology_change_event(sc,
 692                     fw_event->event_data);
 693
 694                 for (i = 0; i < data->NumEntries; i++) {
 695                         port_entry = &data->PortEntry[i];
 696                         handle = le16toh(port_entry->AttachedDevHandle);
 697                         link_rate = port_entry->CurrentPortInfo &
 698                             MPI26_EVENT_PCIE_TOPO_PI_RATE_MASK;
 699                         switch (port_entry->PortStatus) {
 700                         case MPI26_EVENT_PCIE_TOPO_PS_DEV_ADDED:
 701                                 if (link_rate <
 702                                     MPI26_EVENT_PCIE_TOPO_PI_RATE_2_5) {
 703                                         mpr_dprint(sc, MPR_ERROR, "%s: Cannot "
 704                                             "add PCIe device with handle 0x%x "
 705                                             "with unknown link rate.\n",
 706                                             __func__, handle);
 707                                         break;
 708                                 }
 709                                 if (mprsas_add_pcie_device(sc, handle,
 710                                     link_rate)) {
 711                                         mpr_dprint(sc, MPR_ERROR, "%s: failed "
 712                                             "to add PCIe device with handle "
 713                                             "0x%x\n", __func__, handle);
 714                                         mprsas_prepare_remove(sassc, handle);
 715                                 }
 716                                 break;
 717                         case MPI26_EVENT_PCIE_TOPO_PS_NOT_RESPONDING:
 718                                 mprsas_prepare_remove(sassc, handle);
 719                                 break;
 720                         case MPI26_EVENT_PCIE_TOPO_PS_PORT_CHANGED:
 721                         case MPI26_EVENT_PCIE_TOPO_PS_NO_CHANGE:
 722                         case MPI26_EVENT_PCIE_TOPO_PS_DELAY_NOT_RESPONDING:
 723                         default:
 724                                 break;
 725                         }
 726                 }
 727                 /*
 728                  * refcount was incremented for this event in
 729                  * mprsas_evt_handler.  Decrement it here because the event has
 730                  * been processed.
 731                  */
 732                 mprsas_startup_decrement(sassc);
 733                 break;
 734         }
 735         case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
 736         case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
 737         default:
 738                 mpr_dprint(sc, MPR_TRACE,"Unhandled event 0x%0X\n",
 739                     fw_event->event);
 740                 break;
 741
 742         }
 743         mpr_dprint(sc, MPR_EVENT, "(%d)->(%s) Event Free: [%x]\n", event_count,
 744             __func__, fw_event->event);
 745         mprsas_fw_event_free(sc, fw_event);
 746 }
 747
 748 void
 749 mprsas_firmware_event_work(void *arg, int pending)
 750 {
 751         struct mpr_fw_event_work *fw_event;
 752         struct mpr_softc *sc;
 753
 754         sc = (struct mpr_softc *)arg;
 755         mpr_lock(sc);
 756         while ((fw_event = TAILQ_FIRST(&sc->sassc->ev_queue)) != NULL) {
 757                 TAILQ_REMOVE(&sc->sassc->ev_queue, fw_event, ev_link);
 758                 mprsas_fw_work(sc, fw_event);
 759         }
 760         mpr_unlock(sc);
 761 }
 762
 763 static int
 764 mprsas_add_device(struct mpr_softc *sc, u16 handle, u8 linkrate)
 765 {
 766         char devstring[80];
 767         struct mprsas_softc *sassc;
 768         struct mprsas_target *targ;
 769         Mpi2ConfigReply_t mpi_reply;
 770         Mpi2SasDevicePage0_t config_page;
 771         uint64_t sas_address, parent_sas_address = 0;
 772         u32 device_info, parent_devinfo = 0;
 773         unsigned int id;
 774         int ret = 1, error = 0, i;
 775         struct mprsas_lun *lun;
 776         u8 is_SATA_SSD = 0;
 777         struct mpr_command *cm;
 778
 779         sassc = sc->sassc;
 780         mprsas_startup_increment(sassc);
 781         if ((mpr_config_get_sas_device_pg0(sc, &mpi_reply, &config_page,
 782              MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
 783                 printf("%s: error reading SAS device page0\n", __func__);
 784                 error = ENXIO;
 785                 goto out;
 786         }
 787
 788         device_info = le32toh(config_page.DeviceInfo);
 789
 790         if (((device_info & MPI2_SAS_DEVICE_INFO_SMP_TARGET) == 0)
 791             && (le16toh(config_page.ParentDevHandle) != 0)) {
 792                 Mpi2ConfigReply_t tmp_mpi_reply;
 793                 Mpi2SasDevicePage0_t parent_config_page;
 794
 795                 if ((mpr_config_get_sas_device_pg0(sc, &tmp_mpi_reply,
 796                      &parent_config_page, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
 797                      le16toh(config_page.ParentDevHandle)))) {
 798                         printf("%s: error reading SAS device %#x page0\n",
 799                             __func__, le16toh(config_page.ParentDevHandle));
 800                 } else {
 801                         parent_sas_address = parent_config_page.SASAddress.High;
 802                         parent_sas_address = (parent_sas_address << 32) |
 803                             parent_config_page.SASAddress.Low;
 804                         parent_devinfo = le32toh(parent_config_page.DeviceInfo);
 805                 }
 806         }
 807         /* TODO Check proper endianess */
 808         sas_address = config_page.SASAddress.High;
 809         sas_address = (sas_address << 32) | config_page.SASAddress.Low;
 810         mpr_dprint(sc, MPR_INFO, "SAS Address from SAS device page0 = %jx\n",
 811             sas_address);
 812
 813         /*
 814          * Always get SATA Identify information because this is used to
 815          * determine if Start/Stop Unit should be sent to the drive when the
 816          * system is shutdown.
 817          */
 818         if (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE) {
 819                 ret = mprsas_get_sas_address_for_sata_disk(sc, &sas_address,
 820                     handle, device_info, &is_SATA_SSD);
 821                 if (ret) {
 822                         mpr_dprint(sc, MPR_ERROR, "%s: failed to get disk type "
 823                             "(SSD or HDD) for SATA device with handle 0x%04x\n",
 824                             __func__, handle);
 825                 } else {
 826                         mpr_dprint(sc, MPR_INFO, "SAS Address from SATA "
 827                             "device = %jx\n", sas_address);
 828                 }
 829         }
 830
 831         /*
 832          * use_phynum:
 833          *  1 - use the PhyNum field as a fallback to the mapping logic
 834          *  0 - never use the PhyNum field
 835          * -1 - only use the PhyNum field
 836          */
 837         id = MPR_MAP_BAD_ID;
 838         if (sc->use_phynum != -1)
 839                 id = mpr_mapping_get_sas_id(sc, sas_address, handle);
 840         if (id == MPR_MAP_BAD_ID) {
 841                 if ((sc->use_phynum == 0) ||
 842                     ((id = config_page.PhyNum) > sassc->maxtargets)) {
 843                         mpr_dprint(sc, MPR_INFO, "failure at %s:%d/%s()! "
 844                             "Could not get ID for device with handle 0x%04x\n",
 845                             __FILE__, __LINE__, __func__, handle);
 846                         error = ENXIO;
 847                         goto out;
 848                 }
 849         }
 850
 851         if (mprsas_check_id(sassc, id) != 0) {
 852                 device_printf(sc->mpr_dev, "Excluding target id %d\n", id);
 853                 error = ENXIO;
 854                 goto out;
 855         }
 856
 857         targ = &sassc->targets[id];
 858         if (targ->handle != 0x0) {
 859                 mpr_dprint(sc, MPR_MAPPING, "Attempting to reuse target id "
 860                     "%d handle 0x%04x\n", id, targ->handle);
 861                 error = ENXIO;
 862                 goto out;
 863         }
 864
 865         mpr_dprint(sc, MPR_MAPPING, "SAS Address from SAS device page0 = %jx\n",
 866             sas_address);
 867         targ->devinfo = device_info;
 868         targ->devname = le32toh(config_page.DeviceName.High);
 869         targ->devname = (targ->devname << 32) |
 870             le32toh(config_page.DeviceName.Low);
 871         targ->encl_handle = le16toh(config_page.EnclosureHandle);
 872         targ->encl_slot = le16toh(config_page.Slot);
 873         targ->encl_level = config_page.EnclosureLevel;
 874         targ->connector_name[0] = config_page.ConnectorName[0];
 875         targ->connector_name[1] = config_page.ConnectorName[1];
 876         targ->connector_name[2] = config_page.ConnectorName[2];
 877         targ->connector_name[3] = config_page.ConnectorName[3];
 878         targ->handle = handle;
 879         targ->parent_handle = le16toh(config_page.ParentDevHandle);
 880         targ->sasaddr = mpr_to_u64(&config_page.SASAddress);
 881         targ->parent_sasaddr = le64toh(parent_sas_address);
 882         targ->parent_devinfo = parent_devinfo;
 883         targ->tid = id;
 884         targ->linkrate = (linkrate>>4);
 885         targ->flags = 0;
 886         if (is_SATA_SSD) {
 887                 targ->flags = MPR_TARGET_IS_SATA_SSD;
 888         }
 889         if ((le16toh(config_page.Flags) &
 890             MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH) &&
 891             (le16toh(config_page.Flags) &
 892             MPI25_SAS_DEVICE0_FLAGS_FAST_PATH_CAPABLE)) {
 893                 targ->scsi_req_desc_type =
 894                     MPI25_REQ_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO;
 895         }
 896         if (le16toh(config_page.Flags) &
 897             MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) {
 898                 targ->encl_level_valid = TRUE;
 899         }
 900         TAILQ_INIT(&targ->commands);
 901         TAILQ_INIT(&targ->timedout_commands);
 902         while (!SLIST_EMPTY(&targ->luns)) {
 903                 lun = SLIST_FIRST(&targ->luns);
 904                 SLIST_REMOVE_HEAD(&targ->luns, lun_link);
 905                 free(lun, M_MPR);
 906         }
 907         SLIST_INIT(&targ->luns);
 908
 909         mpr_describe_devinfo(targ->devinfo, devstring, 80);
 910         mpr_dprint(sc, (MPR_INFO|MPR_MAPPING), "Found device <%s> <%s> "
 911             "handle<0x%04x> enclosureHandle<0x%04x> slot %d\n", devstring,
 912             mpr_describe_table(mpr_linkrate_names, targ->linkrate),
 913             targ->handle, targ->encl_handle, targ->encl_slot);
 914         if (targ->encl_level_valid) {
 915                 mpr_dprint(sc, (MPR_INFO|MPR_MAPPING), "At enclosure level %d "
 916                     "and connector name (%4s)\n", targ->encl_level,
 917                     targ->connector_name);
 918         }
 919 #if ((__FreeBSD_version >= 1000000) && (__FreeBSD_version < 1000039)) || \
 920     (__FreeBSD_version < 902502)
 921         if ((sassc->flags & MPRSAS_IN_STARTUP) == 0)
 922 #endif
 923                 mprsas_rescan_target(sc, targ);
 924         mpr_dprint(sc, MPR_MAPPING, "Target id 0x%x added\n", targ->tid);
 925
 926         /*
 927          * Check all commands to see if the SATA_ID_TIMEOUT flag has been set.
 928          * If so, send a Target Reset TM to the target that was just created.
 929          * An Abort Task TM should be used instead of a Target Reset, but that
 930          * would be much more difficult because targets have not been fully
 931          * discovered yet, and LUN's haven't been setup.  So, just reset the
 932          * target instead of the LUN.
 933          */
 934         for (i = 1; i < sc->num_reqs; i++) {
 935                 cm = &sc->commands[i];
 936                 if (cm->cm_flags & MPR_CM_FLAGS_SATA_ID_TIMEOUT) {
 937                         targ->timeouts++;
 938                         cm->cm_state = MPR_CM_STATE_TIMEDOUT;
 939
 940                         if ((targ->tm = mprsas_alloc_tm(sc)) != NULL) {
 941                                 mpr_dprint(sc, MPR_INFO, "%s: sending Target "
 942                                     "Reset for stuck SATA identify command "
 943                                     "(cm = %p)\n", __func__, cm);
 944                                 targ->tm->cm_targ = targ;
 945                                 mprsas_send_reset(sc, targ->tm,
 946                                     MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET);
 947                         } else {
 948                                 mpr_dprint(sc, MPR_ERROR, "Failed to allocate "
 949                                     "tm for Target Reset after SATA ID command "
 950                                     "timed out (cm %p)\n", cm);
 951                         }
 952                         /*
 953                          * No need to check for more since the target is
 954                          * already being reset.
 955                          */
 956                         break;
 957                 }
 958         }
 959 out:
 960         /*
 961          * Free the commands that may not have been freed from the SATA ID call
 962          */
 963         for (i = 1; i < sc->num_reqs; i++) {
 964                 cm = &sc->commands[i];
 965                 if (cm->cm_flags & MPR_CM_FLAGS_SATA_ID_TIMEOUT) {
 966                         mpr_free_command(sc, cm);
 967                 }
 968         }
 969         mprsas_startup_decrement(sassc);
 970         return (error);
 971 }
 972
 973 int
 974 mprsas_get_sas_address_for_sata_disk(struct mpr_softc *sc,
 975     u64 *sas_address, u16 handle, u32 device_info, u8 *is_SATA_SSD)
 976 {
 977         Mpi2SataPassthroughReply_t mpi_reply;
 978         int i, rc, try_count;
 979         u32 *bufferptr;
 980         union _sata_sas_address hash_address;
 981         struct _ata_identify_device_data ata_identify;
 982         u8 buffer[MPT2SAS_MN_LEN + MPT2SAS_SN_LEN];
 983         u32 ioc_status;
 984         u8 sas_status;
 985
 986         memset(&ata_identify, 0, sizeof(ata_identify));
 987         memset(&mpi_reply, 0, sizeof(mpi_reply));
 988         try_count = 0;
 989         do {
 990                 rc = mprsas_get_sata_identify(sc, handle, &mpi_reply,
 991                     (char *)&ata_identify, sizeof(ata_identify), device_info);
 992                 try_count++;
 993                 ioc_status = le16toh(mpi_reply.IOCStatus)
 994                     & MPI2_IOCSTATUS_MASK;
 995                 sas_status = mpi_reply.SASStatus;
 996                 switch (ioc_status) {
 997                 case MPI2_IOCSTATUS_SUCCESS:
 998                         break;
 999                 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
1000                         /* No sense sleeping.  this error won't get better */
1001                         break;
1002                 default:
1003                         if (sc->spinup_wait_time > 0) {
1004                                 mpr_dprint(sc, MPR_INFO, "Sleeping %d seconds "
1005                                     "after SATA ID error to wait for spinup\n",
1006                                     sc->spinup_wait_time);
1007                                 msleep(&sc->msleep_fake_chan, &sc->mpr_mtx, 0,
1008                                     "mprid", sc->spinup_wait_time * hz);
1009                         }
1010                 }
1011         } while (((rc && (rc != EWOULDBLOCK)) ||
1012             (ioc_status && (ioc_status != MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR))
1013             || sas_status) && (try_count < 5));
1014
1015         if (rc == 0 && !ioc_status && !sas_status) {
1016                 mpr_dprint(sc, MPR_MAPPING, "%s: got SATA identify "
1017                     "successfully for handle = 0x%x with try_count = %d\n",
1018                     __func__, handle, try_count);
1019         } else {
1020                 mpr_dprint(sc, MPR_MAPPING, "%s: handle = 0x%x failed\n",
1021                     __func__, handle);
1022                 return -1;
1023         }
1024         /* Copy & byteswap the 40 byte model number to a buffer */
1025         for (i = 0; i < MPT2SAS_MN_LEN; i += 2) {
1026                 buffer[i] = ((u8 *)ata_identify.model_number)[i + 1];
1027                 buffer[i + 1] = ((u8 *)ata_identify.model_number)[i];
1028         }
1029         /* Copy & byteswap the 20 byte serial number to a buffer */
1030         for (i = 0; i < MPT2SAS_SN_LEN; i += 2) {
1031                 buffer[MPT2SAS_MN_LEN + i] =
1032                     ((u8 *)ata_identify.serial_number)[i + 1];
1033                 buffer[MPT2SAS_MN_LEN + i + 1] =
1034                     ((u8 *)ata_identify.serial_number)[i];
1035         }
1036         bufferptr = (u32 *)buffer;
1037         /* There are 60 bytes to hash down to 8. 60 isn't divisible by 8,
1038          * so loop through the first 56 bytes (7*8),
1039          * and then add in the last dword.
1040          */
1041         hash_address.word.low  = 0;
1042         hash_address.word.high = 0;
1043         for (i = 0; (i < ((MPT2SAS_MN_LEN+MPT2SAS_SN_LEN)/8)); i++) {
1044                 hash_address.word.low += *bufferptr;
1045                 bufferptr++;
1046                 hash_address.word.high += *bufferptr;
1047                 bufferptr++;
1048         }
1049         /* Add the last dword */
1050         hash_address.word.low += *bufferptr;
1051         /* Make sure the hash doesn't start with 5, because it could clash
1052          * with a SAS address. Change 5 to a D.
1053          */
1054         if ((hash_address.word.high & 0x000000F0) == (0x00000050))
1055                 hash_address.word.high |= 0x00000080;
1056         *sas_address = (u64)hash_address.wwid[0] << 56 |
1057             (u64)hash_address.wwid[1] << 48 | (u64)hash_address.wwid[2] << 40 |
1058             (u64)hash_address.wwid[3] << 32 | (u64)hash_address.wwid[4] << 24 |
1059             (u64)hash_address.wwid[5] << 16 | (u64)hash_address.wwid[6] <<  8 |
1060             (u64)hash_address.wwid[7];
1061         if (ata_identify.rotational_speed == 1) {
1062                 *is_SATA_SSD = 1;
1063         }
1064
1065         return 0;
1066 }
1067
1068 static int
1069 mprsas_get_sata_identify(struct mpr_softc *sc, u16 handle,
1070     Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz, u32 devinfo)
1071 {
1072         Mpi2SataPassthroughRequest_t *mpi_request;
1073         Mpi2SataPassthroughReply_t *reply;
1074         struct mpr_command *cm;
1075         char *buffer;
1076         int error = 0;
1077
1078         buffer = malloc( sz, M_MPR, M_NOWAIT | M_ZERO);
1079         if (!buffer)
1080                 return ENOMEM;
1081
1082         if ((cm = mpr_alloc_command(sc)) == NULL) {
1083                 free(buffer, M_MPR);
1084                 return (EBUSY);
1085         }
1086         mpi_request = (MPI2_SATA_PASSTHROUGH_REQUEST *)cm->cm_req;
1087         bzero(mpi_request,sizeof(MPI2_SATA_PASSTHROUGH_REQUEST));
1088         mpi_request->Function = MPI2_FUNCTION_SATA_PASSTHROUGH;
1089         mpi_request->VF_ID = 0;
1090         mpi_request->DevHandle = htole16(handle);
1091         mpi_request->PassthroughFlags = (MPI2_SATA_PT_REQ_PT_FLAGS_PIO |
1092             MPI2_SATA_PT_REQ_PT_FLAGS_READ);
1093         mpi_request->DataLength = htole32(sz);
1094         mpi_request->CommandFIS[0] = 0x27;
1095         mpi_request->CommandFIS[1] = 0x80;
1096         mpi_request->CommandFIS[2] =  (devinfo &
1097             MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? 0xA1 : 0xEC;
1098         cm->cm_sge = &mpi_request->SGL;
1099         cm->cm_sglsize = sizeof(MPI2_SGE_IO_UNION);
1100         cm->cm_flags = MPR_CM_FLAGS_DATAIN;
1101         cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
1102         cm->cm_data = buffer;
1103         cm->cm_length = htole32(sz);
1104
1105         /*
1106          * Start a timeout counter specifically for the SATA ID command. This
1107          * is used to fix a problem where the FW does not send a reply sometimes
1108          * when a bad disk is in the topology. So, this is used to timeout the
1109          * command so that processing can continue normally.
1110          */
1111         mpr_dprint(sc, MPR_XINFO, "%s start timeout counter for SATA ID "
1112             "command\n", __func__);
1113         callout_reset(&cm->cm_callout, MPR_ATA_ID_TIMEOUT * hz,
1114             mprsas_ata_id_timeout, cm);
1115         error = mpr_wait_command(sc, cm, 60, CAN_SLEEP);
1116         mpr_dprint(sc, MPR_XINFO, "%s stop timeout counter for SATA ID "
1117             "command\n", __func__);
1118         callout_stop(&cm->cm_callout);
1119
1120         reply = (Mpi2SataPassthroughReply_t *)cm->cm_reply;
1121         if (error || (reply == NULL)) {
1122                 /* FIXME */
1123                 /*
1124                  * If the request returns an error then we need to do a diag
1125                  * reset
1126                  */
1127                 printf("%s: request for page completed with error %d",
1128                     __func__, error);
1129                 error = ENXIO;
1130                 goto out;
1131         }
1132         bcopy(buffer, id_buffer, sz);
1133         bcopy(reply, mpi_reply, sizeof(Mpi2SataPassthroughReply_t));
1134         if ((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) !=
1135             MPI2_IOCSTATUS_SUCCESS) {
1136                 printf("%s: error reading SATA PASSTHRU; iocstatus = 0x%x\n",
1137                     __func__, reply->IOCStatus);
1138                 error = ENXIO;
1139                 goto out;
1140         }
1141 out:
1142         /*
1143          * If the SATA_ID_TIMEOUT flag has been set for this command, don't free
1144          * it.  The command will be freed after sending a target reset TM. If
1145          * the command did timeout, use EWOULDBLOCK.
1146          */
1147         if ((cm->cm_flags & MPR_CM_FLAGS_SATA_ID_TIMEOUT) == 0)
1148                 mpr_free_command(sc, cm);
1149         else if (error == 0)
1150                 error = EWOULDBLOCK;
1151         cm->cm_data = NULL;
1152         free(buffer, M_MPR);
1153         return (error);
1154 }
1155
1156 static void
1157 mprsas_ata_id_timeout(void *data)
1158 {
1159         struct mpr_softc *sc;
1160         struct mpr_command *cm;
1161
1162         cm = (struct mpr_command *)data;
1163         sc = cm->cm_sc;
1164         mtx_assert(&sc->mpr_mtx, MA_OWNED);
1165
1166         mpr_dprint(sc, MPR_INFO, "%s checking ATA ID command %p sc %p\n",
1167             __func__, cm, sc);
1168         if ((callout_pending(&cm->cm_callout)) ||
1169             (!callout_active(&cm->cm_callout))) {
1170                 mpr_dprint(sc, MPR_INFO, "%s ATA ID command almost timed out\n",
1171                     __func__);
1172                 return;
1173         }
1174         callout_deactivate(&cm->cm_callout);
1175
1176         /*
1177          * Run the interrupt handler to make sure it's not pending.  This
1178          * isn't perfect because the command could have already completed
1179          * and been re-used, though this is unlikely.
1180          */
1181         mpr_intr_locked(sc);
1182         if (cm->cm_state == MPR_CM_STATE_FREE) {
1183                 mpr_dprint(sc, MPR_INFO, "%s ATA ID command almost timed out\n",
1184                     __func__);
1185                 return;
1186         }
1187
1188         mpr_dprint(sc, MPR_INFO, "ATA ID command timeout cm %p\n", cm);
1189
1190         /*
1191          * Send wakeup() to the sleeping thread that issued this ATA ID command.
1192          * wakeup() will cause msleep to return a 0 (not EWOULDBLOCK), and this
1193          * will keep reinit() from being called. This way, an Abort Task TM can
1194          * be issued so that the timed out command can be cleared. The Abort
1195          * Task cannot be sent from here because the driver has not completed
1196          * setting up targets.  Instead, the command is flagged so that special
1197          * handling will be used to send the abort.
1198          */
1199         cm->cm_flags |= MPR_CM_FLAGS_SATA_ID_TIMEOUT;
1200         wakeup(cm);
1201 }
1202
1203 static int
1204 mprsas_add_pcie_device(struct mpr_softc *sc, u16 handle, u8 linkrate)
1205 {
1206         char devstring[80];
1207         struct mprsas_softc *sassc;
1208         struct mprsas_target *targ;
1209         Mpi2ConfigReply_t mpi_reply;
1210         Mpi26PCIeDevicePage0_t config_page;
1211         Mpi26PCIeDevicePage2_t config_page2;
1212         uint64_t pcie_wwid, parent_wwid = 0;
1213         u32 device_info, parent_devinfo = 0;
1214         unsigned int id;
1215         int error = 0;
1216         struct mprsas_lun *lun;
1217
1218         sassc = sc->sassc;
1219         mprsas_startup_increment(sassc);
1220         if ((mpr_config_get_pcie_device_pg0(sc, &mpi_reply, &config_page,
1221              MPI26_PCIE_DEVICE_PGAD_FORM_HANDLE, handle))) {
1222                 printf("%s: error reading PCIe device page0\n", __func__);
1223                 error = ENXIO;
1224                 goto out;
1225         }
1226
1227         device_info = le32toh(config_page.DeviceInfo);
1228
1229         if (((device_info & MPI26_PCIE_DEVINFO_PCI_SWITCH) == 0)
1230             && (le16toh(config_page.ParentDevHandle) != 0)) {
1231                 Mpi2ConfigReply_t tmp_mpi_reply;
1232                 Mpi26PCIeDevicePage0_t parent_config_page;
1233
1234                 if ((mpr_config_get_pcie_device_pg0(sc, &tmp_mpi_reply,
1235                      &parent_config_page, MPI26_PCIE_DEVICE_PGAD_FORM_HANDLE,
1236                      le16toh(config_page.ParentDevHandle)))) {
1237                         printf("%s: error reading PCIe device %#x page0\n",
1238                             __func__, le16toh(config_page.ParentDevHandle));
1239                 } else {
1240                         parent_wwid = parent_config_page.WWID.High;
1241                         parent_wwid = (parent_wwid << 32) |
1242                             parent_config_page.WWID.Low;
1243                         parent_devinfo = le32toh(parent_config_page.DeviceInfo);
1244                 }
1245         }
1246         /* TODO Check proper endianness */
1247         pcie_wwid = config_page.WWID.High;
1248         pcie_wwid = (pcie_wwid << 32) | config_page.WWID.Low;
1249         mpr_dprint(sc, MPR_INFO, "PCIe WWID from PCIe device page0 = %jx\n",
1250             pcie_wwid);
1251
1252         if ((mpr_config_get_pcie_device_pg2(sc, &mpi_reply, &config_page2,
1253              MPI26_PCIE_DEVICE_PGAD_FORM_HANDLE, handle))) {
1254                 printf("%s: error reading PCIe device page2\n", __func__);
1255                 error = ENXIO;
1256                 goto out;
1257         }
1258
1259         id = mpr_mapping_get_sas_id(sc, pcie_wwid, handle);
1260         if (id == MPR_MAP_BAD_ID) {
1261                 printf("failure at %s:%d/%s()! Could not get ID for device "
1262                     "with handle 0x%04x\n", __FILE__, __LINE__, __func__,
1263                     handle);
1264                 error = ENXIO;
1265                 goto out;
1266         }
1267
1268         if (mprsas_check_id(sassc, id) != 0) {
1269                 device_printf(sc->mpr_dev, "Excluding target id %d\n", id);
1270                 error = ENXIO;
1271                 goto out;
1272         }
1273
1274         mpr_dprint(sc, MPR_MAPPING, "WWID from PCIe device page0 = %jx\n",
1275             pcie_wwid);
1276         targ = &sassc->targets[id];
1277         targ->devinfo = device_info;
1278         targ->encl_handle = le16toh(config_page.EnclosureHandle);
1279         targ->encl_slot = le16toh(config_page.Slot);
1280         targ->encl_level = config_page.EnclosureLevel;
1281         targ->connector_name[0] = ((char *)&config_page.ConnectorName)[0];
1282         targ->connector_name[1] = ((char *)&config_page.ConnectorName)[1];
1283         targ->connector_name[2] = ((char *)&config_page.ConnectorName)[2];
1284         targ->connector_name[3] = ((char *)&config_page.ConnectorName)[3];
1285         targ->is_nvme = device_info & MPI26_PCIE_DEVINFO_NVME;
1286         targ->MDTS = config_page2.MaximumDataTransferSize;
1287         /*
1288          * Assume always TRUE for encl_level_valid because there is no valid
1289          * flag for PCIe.
1290          */
1291         targ->encl_level_valid = TRUE;
1292         targ->handle = handle;
1293         targ->parent_handle = le16toh(config_page.ParentDevHandle);
1294         targ->sasaddr = mpr_to_u64(&config_page.WWID);
1295         targ->parent_sasaddr = le64toh(parent_wwid);
1296         targ->parent_devinfo = parent_devinfo;
1297         targ->tid = id;
1298         targ->linkrate = linkrate;
1299         targ->flags = 0;
1300         if ((le16toh(config_page.Flags) &
1301             MPI26_PCIEDEV0_FLAGS_ENABLED_FAST_PATH) &&
1302             (le16toh(config_page.Flags) &
1303             MPI26_PCIEDEV0_FLAGS_FAST_PATH_CAPABLE)) {
1304                 targ->scsi_req_desc_type =
1305                     MPI25_REQ_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO;
1306         }
1307         TAILQ_INIT(&targ->commands);
1308         TAILQ_INIT(&targ->timedout_commands);
1309         while (!SLIST_EMPTY(&targ->luns)) {
1310                 lun = SLIST_FIRST(&targ->luns);
1311                 SLIST_REMOVE_HEAD(&targ->luns, lun_link);
1312                 free(lun, M_MPR);
1313         }
1314         SLIST_INIT(&targ->luns);
1315
1316         mpr_describe_devinfo(targ->devinfo, devstring, 80);
1317         mpr_dprint(sc, (MPR_INFO|MPR_MAPPING), "Found PCIe device <%s> <%s> "
1318             "handle<0x%04x> enclosureHandle<0x%04x> slot %d\n", devstring,
1319             mpr_describe_table(mpr_pcie_linkrate_names, targ->linkrate),
1320             targ->handle, targ->encl_handle, targ->encl_slot);
1321         if (targ->encl_level_valid) {
1322                 mpr_dprint(sc, (MPR_INFO|MPR_MAPPING), "At enclosure level %d "
1323                     "and connector name (%4s)\n", targ->encl_level,
1324                     targ->connector_name);
1325         }
1326 #if ((__FreeBSD_version >= 1000000) && (__FreeBSD_version < 1000039)) || \
1327     (__FreeBSD_version < 902502)
1328         if ((sassc->flags & MPRSAS_IN_STARTUP) == 0)
1329 #endif
1330                 mprsas_rescan_target(sc, targ);
1331         mpr_dprint(sc, MPR_MAPPING, "Target id 0x%x added\n", targ->tid);
1332
1333 out:
1334         mprsas_startup_decrement(sassc);
1335         return (error);
1336 }
1337
1338 static int
1339 mprsas_volume_add(struct mpr_softc *sc, u16 handle)
1340 {
1341         struct mprsas_softc *sassc;
1342         struct mprsas_target *targ;
1343         u64 wwid;
1344         unsigned int id;
1345         int error = 0;
1346         struct mprsas_lun *lun;
1347
1348         sassc = sc->sassc;
1349         mprsas_startup_increment(sassc);
1350         /* wwid is endian safe */
1351         mpr_config_get_volume_wwid(sc, handle, &wwid);
1352         if (!wwid) {
1353                 printf("%s: invalid WWID; cannot add volume to mapping table\n",
1354                     __func__);
1355                 error = ENXIO;
1356                 goto out;
1357         }
1358
1359         id = mpr_mapping_get_raid_id(sc, wwid, handle);
1360         if (id == MPR_MAP_BAD_ID) {
1361                 printf("%s: could not get ID for volume with handle 0x%04x and "
1362                     "WWID 0x%016llx\n", __func__, handle,
1363                     (unsigned long long)wwid);
1364                 error = ENXIO;
1365                 goto out;
1366         }
1367
1368         targ = &sassc->targets[id];
1369         targ->tid = id;
1370         targ->handle = handle;
1371         targ->devname = wwid;
1372         TAILQ_INIT(&targ->commands);
1373         TAILQ_INIT(&targ->timedout_commands);
1374         while (!SLIST_EMPTY(&targ->luns)) {
1375                 lun = SLIST_FIRST(&targ->luns);
1376                 SLIST_REMOVE_HEAD(&targ->luns, lun_link);
1377                 free(lun, M_MPR);
1378         }
1379         SLIST_INIT(&targ->luns);
1380 #if ((__FreeBSD_version >= 1000000) && (__FreeBSD_version < 1000039)) || \
1381     (__FreeBSD_version < 902502)
1382         if ((sassc->flags & MPRSAS_IN_STARTUP) == 0)
1383 #endif
1384                 mprsas_rescan_target(sc, targ);
1385         mpr_dprint(sc, MPR_MAPPING, "RAID target id %d added (WWID = 0x%jx)\n",
1386             targ->tid, wwid);
1387 out:
1388         mprsas_startup_decrement(sassc);
1389         return (error);
1390 }
1391
1392 /**
1393  * mprsas_SSU_to_SATA_devices
1394  * @sc: per adapter object
1395  *
1396  * Looks through the target list and issues a StartStopUnit SCSI command to each
1397  * SATA direct-access device.  This helps to ensure that data corruption is
1398  * avoided when the system is being shut down.  This must be called after the IR
1399  * System Shutdown RAID Action is sent if in IR mode.
1400  *
1401  * Return nothing.
1402  */
1403 static void
1404 mprsas_SSU_to_SATA_devices(struct mpr_softc *sc)
1405 {
1406         struct mprsas_softc *sassc = sc->sassc;
1407         union ccb *ccb;
1408         path_id_t pathid = cam_sim_path(sassc->sim);
1409         target_id_t targetid;
1410         struct mprsas_target *target;
1411         char path_str[64];
1412         struct timeval cur_time, start_time;
1413
1414         mpr_lock(sc);
1415
1416         /*
1417          * For each target, issue a StartStopUnit command to stop the device.
1418          */
1419         sc->SSU_started = TRUE;
1420         sc->SSU_refcount = 0;
1421         for (targetid = 0; targetid < sc->facts->MaxTargets; targetid++) {
1422                 target = &sassc->targets[targetid];
1423                 if (target->handle == 0x0) {
1424                         continue;
1425                 }
1426
1427                 /*
1428                  * The stop_at_shutdown flag will be set if this device is
1429                  * a SATA direct-access end device.
1430                  */
1431                 if (target->stop_at_shutdown) {
1432                         ccb = xpt_alloc_ccb_nowait();
1433                         if (ccb == NULL) {
1434                                 mpr_dprint(sc, MPR_FAULT, "Unable to alloc CCB "
1435                                     "to stop unit.\n");
1436                                 return;
1437                         }
1438
1439                         if (xpt_create_path(&ccb->ccb_h.path, xpt_periph,
1440                             pathid, targetid, CAM_LUN_WILDCARD) !=
1441                             CAM_REQ_CMP) {
1442                                 mpr_dprint(sc, MPR_ERROR, "Unable to create "
1443                                     "path to stop unit.\n");
1444                                 xpt_free_ccb(ccb);
1445                                 return;
1446                         }
1447                         xpt_path_string(ccb->ccb_h.path, path_str,
1448                             sizeof(path_str));
1449
1450                         mpr_dprint(sc, MPR_INFO, "Sending StopUnit: path %s "
1451                             "handle %d\n", path_str, target->handle);
1452
1453                         /*
1454                          * Issue a START STOP UNIT command for the target.
1455                          * Increment the SSU counter to be used to count the
1456                          * number of required replies.
1457                          */
1458                         mpr_dprint(sc, MPR_INFO, "Incrementing SSU count\n");
1459                         sc->SSU_refcount++;
1460                         ccb->ccb_h.target_id =
1461                             xpt_path_target_id(ccb->ccb_h.path);
1462                         ccb->ccb_h.ppriv_ptr1 = sassc;
1463                         scsi_start_stop(&ccb->csio,
1464                             /*retries*/0,
1465                             mprsas_stop_unit_done,
1466                             MSG_SIMPLE_Q_TAG,
1467                             /*start*/FALSE,
1468                             /*load/eject*/0,
1469                             /*immediate*/FALSE,
1470                             MPR_SENSE_LEN,
1471                             /*timeout*/10000);
1472                         xpt_action(ccb);
1473                 }
1474         }
1475
1476         mpr_unlock(sc);
1477
1478         /*
1479          * Wait until all of the SSU commands have completed or time has
1480          * expired (60 seconds).  Pause for 100ms each time through.  If any
1481          * command times out, the target will be reset in the SCSI command
1482          * timeout routine.
1483          */
1484         getmicrotime(&start_time);
1485         while (sc->SSU_refcount) {
1486                 pause("mprwait", hz/10);
1487
1488                 getmicrotime(&cur_time);
1489                 if ((cur_time.tv_sec - start_time.tv_sec) > 60) {
1490                         mpr_dprint(sc, MPR_ERROR, "Time has expired waiting "
1491                             "for SSU commands to complete.\n");
1492                         break;
1493                 }
1494         }
1495 }
1496
1497 static void
1498 mprsas_stop_unit_done(struct cam_periph *periph, union ccb *done_ccb)
1499 {
1500         struct mprsas_softc *sassc;
1501         char path_str[64];
1502
1503         if (done_ccb == NULL)
1504                 return;
1505
1506         sassc = (struct mprsas_softc *)done_ccb->ccb_h.ppriv_ptr1;
1507
1508         xpt_path_string(done_ccb->ccb_h.path, path_str, sizeof(path_str));
1509         mpr_dprint(sassc->sc, MPR_INFO, "Completing stop unit for %s\n",
1510             path_str);
1511
1512         /*
1513          * Nothing more to do except free the CCB and path.  If the command
1514          * timed out, an abort reset, then target reset will be issued during
1515          * the SCSI Command process.
1516          */
1517         xpt_free_path(done_ccb->ccb_h.path);
1518         xpt_free_ccb(done_ccb);
1519 }
1520
1521 /**
1522  * mprsas_ir_shutdown - IR shutdown notification
1523  * @sc: per adapter object
1524  *
1525  * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that
1526  * the host system is shutting down.
1527  *
1528  * Return nothing.
1529  */
1530 void
1531 mprsas_ir_shutdown(struct mpr_softc *sc)
1532 {
1533         u16 volume_mapping_flags;
1534         u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1535         struct dev_mapping_table *mt_entry;
1536         u32 start_idx, end_idx;
1537         unsigned int id, found_volume = 0;
1538         struct mpr_command *cm;
1539         Mpi2RaidActionRequest_t *action;
1540         target_id_t targetid;
1541         struct mprsas_target *target;
1542
1543         mpr_dprint(sc, MPR_TRACE, "%s\n", __func__);
1544
1545         /* is IR firmware build loaded? */
1546         if (!sc->ir_firmware)
1547                 goto out;
1548
1549         /* are there any volumes?  Look at IR target IDs. */
1550         // TODO-later, this should be looked up in the RAID config structure
1551         // when it is implemented.
1552         volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) &
1553             MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
1554         if (volume_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) {
1555                 start_idx = 0;
1556                 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0)
1557                         start_idx = 1;
1558         } else
1559                 start_idx = sc->max_devices - sc->max_volumes;
1560         end_idx = start_idx + sc->max_volumes - 1;
1561
1562         for (id = start_idx; id < end_idx; id++) {
1563                 mt_entry = &sc->mapping_table[id];
1564                 if ((mt_entry->physical_id != 0) &&
1565                     (mt_entry->missing_count == 0)) {
1566                         found_volume = 1;
1567                         break;
1568                 }
1569         }
1570
1571         if (!found_volume)
1572                 goto out;
1573
1574         if ((cm = mpr_alloc_command(sc)) == NULL) {
1575                 printf("%s: command alloc failed\n", __func__);
1576                 goto out;
1577         }
1578
1579         action = (MPI2_RAID_ACTION_REQUEST *)cm->cm_req;
1580         action->Function = MPI2_FUNCTION_RAID_ACTION;
1581         action->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED;
1582         cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
1583         mpr_lock(sc);
1584         mpr_wait_command(sc, cm, 5, CAN_SLEEP);
1585         mpr_unlock(sc);
1586
1587         /*
1588          * Don't check for reply, just leave.
1589          */
1590         if (cm)
1591                 mpr_free_command(sc, cm);
1592
1593 out:
1594         /*
1595          * All of the targets must have the correct value set for
1596          * 'stop_at_shutdown' for the current 'enable_ssu' sysctl variable.
1597          *
1598          * The possible values for the 'enable_ssu' variable are:
1599          * 0: disable to SSD and HDD
1600          * 1: disable only to HDD (default)
1601          * 2: disable only to SSD
1602          * 3: enable to SSD and HDD
1603          * anything else will default to 1.
1604          */
1605         for (targetid = 0; targetid < sc->facts->MaxTargets; targetid++) {
1606                 target = &sc->sassc->targets[targetid];
1607                 if (target->handle == 0x0) {
1608                         continue;
1609                 }
1610
1611                 if (target->supports_SSU) {
1612                         switch (sc->enable_ssu) {
1613                         case MPR_SSU_DISABLE_SSD_DISABLE_HDD:
1614                                 target->stop_at_shutdown = FALSE;
1615                                 break;
1616                         case MPR_SSU_DISABLE_SSD_ENABLE_HDD:
1617                                 target->stop_at_shutdown = TRUE;
1618                                 if (target->flags & MPR_TARGET_IS_SATA_SSD) {
1619                                         target->stop_at_shutdown = FALSE;
1620                                 }
1621                                 break;
1622                         case MPR_SSU_ENABLE_SSD_ENABLE_HDD:
1623                                 target->stop_at_shutdown = TRUE;
1624                                 break;
1625                         case MPR_SSU_ENABLE_SSD_DISABLE_HDD:
1626                         default:
1627                                 target->stop_at_shutdown = TRUE;
1628                                 if ((target->flags &
1629                                     MPR_TARGET_IS_SATA_SSD) == 0) {
1630                                         target->stop_at_shutdown = FALSE;
1631                                 }
1632                                 break;
1633                         }
1634                 }
1635         }
1636         mprsas_SSU_to_SATA_devices(sc);
1637 }