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_DPRINT_EVENT(sc, sas, 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                                         mpr_dprint(sc, MPR_ERROR, "%s: "
 227                                             "failed to add device with handle "
 228                                             "0x%x\n", __func__,
 229                                             le16toh(phy->AttachedDevHandle));
 230                                         mprsas_prepare_remove(sassc, le16toh(
 231                                             phy->AttachedDevHandle));
 232                                 }
 233                                 break;
 234                         case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING:
 235                                 mprsas_prepare_remove(sassc, le16toh(
 236                                     phy->AttachedDevHandle));
 237                                 break;
 238                         case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
 239                         case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE:
 240                         case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING:
 241                         default:
 242                                 break;
 243                         }
 244                 }
 245                 /*
 246                  * refcount was incremented for this event in
 247                  * mprsas_evt_handler.  Decrement it here because the event has
 248                  * been processed.
 249                  */
 250                 mprsas_startup_decrement(sassc);
 251                 break;
 252         }
 253         case MPI2_EVENT_SAS_DISCOVERY:
 254         {
 255                 MPI2_EVENT_DATA_SAS_DISCOVERY *data;
 256
 257                 data = (MPI2_EVENT_DATA_SAS_DISCOVERY *)fw_event->event_data;
 258
 259                 if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_STARTED)
 260                         mpr_dprint(sc, MPR_TRACE,"SAS discovery start event\n");
 261                 if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_COMPLETED) {
 262                         mpr_dprint(sc, MPR_TRACE,"SAS discovery stop event\n");
 263                         sassc->flags &= ~MPRSAS_IN_DISCOVERY;
 264                         mprsas_discovery_end(sassc);
 265                 }
 266                 break;
 267         }
 268         case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
 269         {
 270                 Mpi2EventDataSasEnclDevStatusChange_t *data;
 271                 data = (Mpi2EventDataSasEnclDevStatusChange_t *)
 272                     fw_event->event_data;
 273                 mpr_mapping_enclosure_dev_status_change_event(sc,
 274                     fw_event->event_data);
 275                 break;
 276         }
 277         case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
 278         {
 279                 Mpi2EventIrConfigElement_t *element;
 280                 int i;
 281                 u8 foreign_config, reason;
 282                 u16 elementType;
 283                 Mpi2EventDataIrConfigChangeList_t *event_data;
 284                 struct mprsas_target *targ;
 285                 unsigned int id;
 286
 287                 event_data = fw_event->event_data;
 288                 foreign_config = (le32toh(event_data->Flags) &
 289                     MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0;
 290
 291                 element =
 292                     (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
 293                 id = mpr_mapping_get_raid_tid_from_handle(sc,
 294                     element->VolDevHandle);
 295
 296                 mpr_mapping_ir_config_change_event(sc, event_data);
 297                 for (i = 0; i < event_data->NumElements; i++, element++) {
 298                         reason = element->ReasonCode;
 299                         elementType = le16toh(element->ElementFlags) &
 300                             MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK;
 301                         /*
 302                          * check for element type of Phys Disk or Hot Spare
 303                          */
 304                         if ((elementType !=
 305                             MPI2_EVENT_IR_CHANGE_EFLAGS_VOLPHYSDISK_ELEMENT)
 306                             && (elementType !=
 307                             MPI2_EVENT_IR_CHANGE_EFLAGS_HOTSPARE_ELEMENT))
 308                                 // do next element
 309                                 goto skip_fp_send;
 310
 311                         /*
 312                          * check for reason of Hide, Unhide, PD Created, or PD
 313                          * Deleted
 314                          */
 315                         if ((reason != MPI2_EVENT_IR_CHANGE_RC_HIDE) &&
 316                             (reason != MPI2_EVENT_IR_CHANGE_RC_UNHIDE) &&
 317                             (reason != MPI2_EVENT_IR_CHANGE_RC_PD_CREATED) &&
 318                             (reason != MPI2_EVENT_IR_CHANGE_RC_PD_DELETED))
 319                                 goto skip_fp_send;
 320
 321                         // check for a reason of Hide or PD Created
 322                         if ((reason == MPI2_EVENT_IR_CHANGE_RC_HIDE) ||
 323                             (reason == MPI2_EVENT_IR_CHANGE_RC_PD_CREATED))
 324                         {
 325                                 // build RAID Action message
 326                                 Mpi2RaidActionRequest_t *action;
 327                                 Mpi2RaidActionReply_t *reply = NULL;
 328                                 struct mpr_command *cm;
 329                                 int error = 0;
 330                                 if ((cm = mpr_alloc_command(sc)) == NULL) {
 331                                         printf("%s: command alloc failed\n",
 332                                             __func__);
 333                                         return;
 334                                 }
 335
 336                                 mpr_dprint(sc, MPR_EVENT, "Sending FP action "
 337                                     "from "
 338                                     "MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST "
 339                                     ":\n");
 340                                 action = (MPI2_RAID_ACTION_REQUEST *)cm->cm_req;
 341                                 action->Function = MPI2_FUNCTION_RAID_ACTION;
 342                                 action->Action =
 343                                     MPI2_RAID_ACTION_PHYSDISK_HIDDEN;
 344                                 action->PhysDiskNum = element->PhysDiskNum;
 345                                 cm->cm_desc.Default.RequestFlags =
 346                                     MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
 347                                 error = mpr_request_polled(sc, &cm);
 348                                 if (cm != NULL)
 349                                         reply = (Mpi2RaidActionReply_t *)
 350                                             cm->cm_reply;
 351                                 if (error || (reply == NULL)) {
 352                                         /* FIXME */
 353                                         /*
 354                                          * If the poll returns error then we
 355                                          * need to do diag reset
 356                                          */
 357                                         printf("%s: poll for page completed "
 358                                             "with error %d", __func__, error);
 359                                 }
 360                                 if (reply && (le16toh(reply->IOCStatus) &
 361                                     MPI2_IOCSTATUS_MASK) !=
 362                                     MPI2_IOCSTATUS_SUCCESS) {
 363                                         mpr_dprint(sc, MPR_ERROR, "%s: error "
 364                                             "sending RaidActionPage; "
 365                                             "iocstatus = 0x%x\n", __func__,
 366                                             le16toh(reply->IOCStatus));
 367                                 }
 368
 369                                 if (cm)
 370                                         mpr_free_command(sc, cm);
 371                         }
 372 skip_fp_send:
 373                         mpr_dprint(sc, MPR_EVENT, "Received "
 374                             "MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST Reason "
 375                             "code %x:\n", element->ReasonCode);
 376                         switch (element->ReasonCode) {
 377                         case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED:
 378                         case MPI2_EVENT_IR_CHANGE_RC_ADDED:
 379                                 if (!foreign_config) {
 380                                         if (mprsas_volume_add(sc,
 381                                             le16toh(element->VolDevHandle))) {
 382                                                 printf("%s: failed to add RAID "
 383                                                     "volume with handle 0x%x\n",
 384                                                     __func__, le16toh(element->
 385                                                     VolDevHandle));
 386                                         }
 387                                 }
 388                                 break;
 389                         case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED:
 390                         case MPI2_EVENT_IR_CHANGE_RC_REMOVED:
 391                                 /*
 392                                  * Rescan after volume is deleted or removed.
 393                                  */
 394                                 if (!foreign_config) {
 395                                         if (id == MPR_MAP_BAD_ID) {
 396                                                 printf("%s: could not get ID "
 397                                                     "for volume with handle "
 398                                                     "0x%04x\n", __func__,
 399                                                     le16toh(element->
 400                                                     VolDevHandle));
 401                                                 break;
 402                                         }
 403
 404                                         targ = &sassc->targets[id];
 405                                         targ->handle = 0x0;
 406                                         targ->encl_slot = 0x0;
 407                                         targ->encl_handle = 0x0;
 408                                         targ->encl_level_valid = 0x0;
 409                                         targ->encl_level = 0x0;
 410                                         targ->connector_name[0] = ' ';
 411                                         targ->connector_name[1] = ' ';
 412                                         targ->connector_name[2] = ' ';
 413                                         targ->connector_name[3] = ' ';
 414                                         targ->exp_dev_handle = 0x0;
 415                                         targ->phy_num = 0x0;
 416                                         targ->linkrate = 0x0;
 417                                         mprsas_rescan_target(sc, targ);
 418                                         printf("RAID target id 0x%x removed\n",
 419                                             targ->tid);
 420                                 }
 421                                 break;
 422                         case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED:
 423                         case MPI2_EVENT_IR_CHANGE_RC_HIDE:
 424                                 /*
 425                                  * Phys Disk of a volume has been created.  Hide
 426                                  * it from the OS.
 427                                  */
 428                                 targ = mprsas_find_target_by_handle(sassc, 0,
 429                                     element->PhysDiskDevHandle);
 430                                 if (targ == NULL)
 431                                         break;
 432                                 targ->flags |= MPR_TARGET_FLAGS_RAID_COMPONENT;
 433                                 mprsas_rescan_target(sc, targ);
 434                                 break;
 435                         case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED:
 436                                 /*
 437                                  * Phys Disk of a volume has been deleted.
 438                                  * Expose it to the OS.
 439                                  */
 440                                 if (mprsas_add_device(sc,
 441                                     le16toh(element->PhysDiskDevHandle), 0)) {
 442                                         printf("%s: failed to add device with "
 443                                             "handle 0x%x\n", __func__,
 444                                             le16toh(element->
 445                                             PhysDiskDevHandle));
 446                                         mprsas_prepare_remove(sassc,
 447                                             le16toh(element->
 448                                             PhysDiskDevHandle));
 449                                 }
 450                                 break;
 451                         }
 452                 }
 453                 /*
 454                  * refcount was incremented for this event in
 455                  * mprsas_evt_handler.  Decrement it here because the event has
 456                  * been processed.
 457                  */
 458                 mprsas_startup_decrement(sassc);
 459                 break;
 460         }
 461         case MPI2_EVENT_IR_VOLUME:
 462         {
 463                 Mpi2EventDataIrVolume_t *event_data = fw_event->event_data;
 464
 465                 /*
 466                  * Informational only.
 467                  */
 468                 mpr_dprint(sc, MPR_EVENT, "Received IR Volume event:\n");
 469                 switch (event_data->ReasonCode) {
 470                 case MPI2_EVENT_IR_VOLUME_RC_SETTINGS_CHANGED:
 471                         mpr_dprint(sc, MPR_EVENT, "   Volume Settings "
 472                             "changed from 0x%x to 0x%x for Volome with "
 473                             "handle 0x%x", le32toh(event_data->PreviousValue),
 474                             le32toh(event_data->NewValue),
 475                             le16toh(event_data->VolDevHandle));
 476                         break;
 477                 case MPI2_EVENT_IR_VOLUME_RC_STATUS_FLAGS_CHANGED:
 478                         mpr_dprint(sc, MPR_EVENT, "   Volume Status "
 479                             "changed from 0x%x to 0x%x for Volome with "
 480                             "handle 0x%x", le32toh(event_data->PreviousValue),
 481                             le32toh(event_data->NewValue),
 482                             le16toh(event_data->VolDevHandle));
 483                         break;
 484                 case MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED:
 485                         mpr_dprint(sc, MPR_EVENT, "   Volume State "
 486                             "changed from 0x%x to 0x%x for Volome with "
 487                             "handle 0x%x", le32toh(event_data->PreviousValue),
 488                             le32toh(event_data->NewValue),
 489                             le16toh(event_data->VolDevHandle));
 490                                 u32 state;
 491                                 struct mprsas_target *targ;
 492                                 state = le32toh(event_data->NewValue);
 493                                 switch (state) {
 494                                 case MPI2_RAID_VOL_STATE_MISSING:
 495                                 case MPI2_RAID_VOL_STATE_FAILED:
 496                                         mprsas_prepare_volume_remove(sassc,
 497                                             event_data->VolDevHandle);
 498                                         break;
 499
 500                                 case MPI2_RAID_VOL_STATE_ONLINE:
 501                                 case MPI2_RAID_VOL_STATE_DEGRADED:
 502                                 case MPI2_RAID_VOL_STATE_OPTIMAL:
 503                                         targ =
 504                                             mprsas_find_target_by_handle(sassc,
 505                                             0, event_data->VolDevHandle);
 506                                         if (targ) {
 507                                                 printf("%s %d: Volume handle "
 508                                                     "0x%x is already added \n",
 509                                                     __func__, __LINE__,
 510                                                     event_data->VolDevHandle);
 511                                                 break;
 512                                         }
 513                                         if (mprsas_volume_add(sc,
 514                                             le16toh(event_data->
 515                                             VolDevHandle))) {
 516                                                 printf("%s: failed to add RAID "
 517                                                     "volume with handle 0x%x\n",
 518                                                     __func__, le16toh(
 519                                                     event_data->VolDevHandle));
 520                                         }
 521                                         break;
 522                                 default:
 523                                         break;
 524                                 }
 525                         break;
 526                 default:
 527                         break;
 528                 }
 529                 break;
 530         }
 531         case MPI2_EVENT_IR_PHYSICAL_DISK:
 532         {
 533                 Mpi2EventDataIrPhysicalDisk_t *event_data =
 534                     fw_event->event_data;
 535                 struct mprsas_target *targ;
 536
 537                 /*
 538                  * Informational only.
 539                  */
 540                 mpr_dprint(sc, MPR_EVENT, "Received IR Phys Disk event:\n");
 541                 switch (event_data->ReasonCode) {
 542                 case MPI2_EVENT_IR_PHYSDISK_RC_SETTINGS_CHANGED:
 543                         mpr_dprint(sc, MPR_EVENT, "   Phys Disk Settings "
 544                             "changed from 0x%x to 0x%x for Phys Disk Number "
 545                             "%d and handle 0x%x at Enclosure handle 0x%x, Slot "
 546                             "%d", le32toh(event_data->PreviousValue),
 547                             le32toh(event_data->NewValue),
 548                             event_data->PhysDiskNum,
 549                             le16toh(event_data->PhysDiskDevHandle),
 550                             le16toh(event_data->EnclosureHandle),
 551                             le16toh(event_data->Slot));
 552                         break;
 553                 case MPI2_EVENT_IR_PHYSDISK_RC_STATUS_FLAGS_CHANGED:
 554                         mpr_dprint(sc, MPR_EVENT, "   Phys Disk Status changed "
 555                             "from 0x%x to 0x%x for Phys Disk Number %d and "
 556                             "handle 0x%x at Enclosure handle 0x%x, Slot %d",
 557                             le32toh(event_data->PreviousValue),
 558                             le32toh(event_data->NewValue),
 559                             event_data->PhysDiskNum,
 560                             le16toh(event_data->PhysDiskDevHandle),
 561                             le16toh(event_data->EnclosureHandle),
 562                             le16toh(event_data->Slot));
 563                         break;
 564                 case MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED:
 565                         mpr_dprint(sc, MPR_EVENT, "   Phys Disk State changed "
 566                             "from 0x%x to 0x%x for Phys Disk Number %d and "
 567                             "handle 0x%x at Enclosure handle 0x%x, Slot %d",
 568                             le32toh(event_data->PreviousValue),
 569                             le32toh(event_data->NewValue),
 570                             event_data->PhysDiskNum,
 571                             le16toh(event_data->PhysDiskDevHandle),
 572                             le16toh(event_data->EnclosureHandle),
 573                             le16toh(event_data->Slot));
 574                         switch (event_data->NewValue) {
 575                                 case MPI2_RAID_PD_STATE_ONLINE:
 576                                 case MPI2_RAID_PD_STATE_DEGRADED:
 577                                 case MPI2_RAID_PD_STATE_REBUILDING:
 578                                 case MPI2_RAID_PD_STATE_OPTIMAL:
 579                                 case MPI2_RAID_PD_STATE_HOT_SPARE:
 580                                         targ = mprsas_find_target_by_handle(
 581                                             sassc, 0,
 582                                             event_data->PhysDiskDevHandle);
 583                                         if (targ) {
 584                                                 targ->flags |=
 585                                                     MPR_TARGET_FLAGS_RAID_COMPONENT;
 586                                                 printf("%s %d: Found Target "
 587                                                     "for handle 0x%x.\n",
 588                                                     __func__, __LINE__ ,
 589                                                     event_data->
 590                                                     PhysDiskDevHandle);
 591                                         }
 592                                 break;
 593                                 case MPI2_RAID_PD_STATE_OFFLINE:
 594                                 case MPI2_RAID_PD_STATE_NOT_CONFIGURED:
 595                                 case MPI2_RAID_PD_STATE_NOT_COMPATIBLE:
 596                                 default:
 597                                         targ = mprsas_find_target_by_handle(
 598                                             sassc, 0,
 599                                             event_data->PhysDiskDevHandle);
 600                                         if (targ) {
 601                                                 targ->flags |=
 602                                             ~MPR_TARGET_FLAGS_RAID_COMPONENT;
 603                                                 printf("%s %d: Found Target "
 604                                                     "for handle 0x%x.  \n",
 605                                                     __func__, __LINE__ ,
 606                                                     event_data->
 607                                                     PhysDiskDevHandle);
 608                                         }
 609                                 break;
 610                         }
 611                 default:
 612                         break;
 613                 }
 614                 break;
 615         }
 616         case MPI2_EVENT_IR_OPERATION_STATUS:
 617         {
 618                 Mpi2EventDataIrOperationStatus_t *event_data =
 619                     fw_event->event_data;
 620
 621                 /*
 622                  * Informational only.
 623                  */
 624                 mpr_dprint(sc, MPR_EVENT, "Received IR Op Status event:\n");
 625                 mpr_dprint(sc, MPR_EVENT, "   RAID Operation of %d is %d "
 626                     "percent complete for Volume with handle 0x%x",
 627                     event_data->RAIDOperation, event_data->PercentComplete,
 628                     le16toh(event_data->VolDevHandle));
 629                 break;
 630         }
 631         case MPI2_EVENT_TEMP_THRESHOLD:
 632         {
 633                 pMpi2EventDataTemperature_t     temp_event;
 634
 635                 temp_event = (pMpi2EventDataTemperature_t)fw_event->event_data;
 636
 637                 /*
 638                  * The Temp Sensor Count must be greater than the event's Sensor
 639                  * Num to be valid.  If valid, print the temp thresholds that
 640                  * have been exceeded.
 641                  */
 642                 if (sc->iounit_pg8.NumSensors > temp_event->SensorNum) {
 643                         mpr_dprint(sc, MPR_FAULT, "Temperature Threshold flags "
 644                             "%s %s %s %s exceeded for Sensor: %d !!!\n",
 645                             ((temp_event->Status & 0x01) == 1) ? "0 " : " ",
 646                             ((temp_event->Status & 0x02) == 2) ? "1 " : " ",
 647                             ((temp_event->Status & 0x04) == 4) ? "2 " : " ",
 648                             ((temp_event->Status & 0x08) == 8) ? "3 " : " ",
 649                             temp_event->SensorNum);
 650                         mpr_dprint(sc, MPR_FAULT, "Current Temp in Celsius: "
 651                             "%d\n", temp_event->CurrentTemperature);
 652                 }
 653                 break;
 654         }
 655         case MPI2_EVENT_ACTIVE_CABLE_EXCEPTION:
 656         {
 657                 pMpi26EventDataActiveCableExcept_t      ace_event_data;
 658                 ace_event_data =
 659                     (pMpi26EventDataActiveCableExcept_t)fw_event->event_data;
 660
 661                 switch(ace_event_data->ReasonCode) {
 662                 case MPI26_EVENT_ACTIVE_CABLE_INSUFFICIENT_POWER:
 663                 {
 664                         mpr_printf(sc, "Currently a cable with "
 665                             "ReceptacleID %d cannot be powered and device "
 666                             "connected to this active cable will not be seen. "
 667                             "This active cable requires %d mW of power.\n",
 668                             ace_event_data->ReceptacleID,
 669                             ace_event_data->ActiveCablePowerRequirement);
 670                         break;
 671                 }
 672                 case MPI26_EVENT_ACTIVE_CABLE_DEGRADED:
 673                 {
 674                         mpr_printf(sc, "Currently a cable with "
 675                             "ReceptacleID %d is not running at optimal speed "
 676                             "(12 Gb/s rate)\n", ace_event_data->ReceptacleID);
 677                         break;
 678                 }
 679                 default:
 680                         break;
 681                 }
 682                 break;
 683         }
 684         case MPI2_EVENT_PCIE_TOPOLOGY_CHANGE_LIST:
 685         {
 686                 MPI26_EVENT_DATA_PCIE_TOPOLOGY_CHANGE_LIST *data;
 687                 MPI26_EVENT_PCIE_TOPO_PORT_ENTRY *port_entry;
 688                 uint8_t i, link_rate;
 689                 uint16_t handle;
 690
 691                 data = (MPI26_EVENT_DATA_PCIE_TOPOLOGY_CHANGE_LIST *)
 692                     fw_event->event_data;
 693
 694                 mpr_mapping_pcie_topology_change_event(sc,
 695                     fw_event->event_data);
 696
 697                 for (i = 0; i < data->NumEntries; i++) {
 698                         port_entry = &data->PortEntry[i];
 699                         handle = le16toh(port_entry->AttachedDevHandle);
 700                         link_rate = port_entry->CurrentPortInfo &
 701                             MPI26_EVENT_PCIE_TOPO_PI_RATE_MASK;
 702                         switch (port_entry->PortStatus) {
 703                         case MPI26_EVENT_PCIE_TOPO_PS_DEV_ADDED:
 704                                 if (link_rate <
 705                                     MPI26_EVENT_PCIE_TOPO_PI_RATE_2_5) {
 706                                         mpr_dprint(sc, MPR_ERROR, "%s: Cannot "
 707                                             "add PCIe device with handle 0x%x "
 708                                             "with unknown link rate.\n",
 709                                             __func__, handle);
 710                                         break;
 711                                 }
 712                                 if (mprsas_add_pcie_device(sc, handle,
 713                                     link_rate)) {
 714                                         mpr_dprint(sc, MPR_ERROR, "%s: failed "
 715                                             "to add PCIe device with handle "
 716                                             "0x%x\n", __func__, handle);
 717                                         mprsas_prepare_remove(sassc, handle);
 718                                 }
 719                                 break;
 720                         case MPI26_EVENT_PCIE_TOPO_PS_NOT_RESPONDING:
 721                                 mprsas_prepare_remove(sassc, handle);
 722                                 break;
 723                         case MPI26_EVENT_PCIE_TOPO_PS_PORT_CHANGED:
 724                         case MPI26_EVENT_PCIE_TOPO_PS_NO_CHANGE:
 725                         case MPI26_EVENT_PCIE_TOPO_PS_DELAY_NOT_RESPONDING:
 726                         default:
 727                                 break;
 728                         }
 729                 }
 730                 /*
 731                  * refcount was incremented for this event in
 732                  * mprsas_evt_handler.  Decrement it here because the event has
 733                  * been processed.
 734                  */
 735                 mprsas_startup_decrement(sassc);
 736                 break;
 737         }
 738         case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
 739         case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
 740         default:
 741                 mpr_dprint(sc, MPR_TRACE,"Unhandled event 0x%0X\n",
 742                     fw_event->event);
 743                 break;
 744
 745         }
 746         mpr_dprint(sc, MPR_EVENT, "(%d)->(%s) Event Free: [%x]\n", event_count,
 747             __func__, fw_event->event);
 748         mprsas_fw_event_free(sc, fw_event);
 749 }
 750
 751 void
 752 mprsas_firmware_event_work(void *arg, int pending)
 753 {
 754         struct mpr_fw_event_work *fw_event;
 755         struct mpr_softc *sc;
 756
 757         sc = (struct mpr_softc *)arg;
 758         mpr_lock(sc);
 759         while ((fw_event = TAILQ_FIRST(&sc->sassc->ev_queue)) != NULL) {
 760                 TAILQ_REMOVE(&sc->sassc->ev_queue, fw_event, ev_link);
 761                 mprsas_fw_work(sc, fw_event);
 762         }
 763         mpr_unlock(sc);
 764 }
 765
 766 static int
 767 mprsas_add_device(struct mpr_softc *sc, u16 handle, u8 linkrate)
 768 {
 769         char devstring[80];
 770         struct mprsas_softc *sassc;
 771         struct mprsas_target *targ;
 772         Mpi2ConfigReply_t mpi_reply;
 773         Mpi2SasDevicePage0_t config_page;
 774         uint64_t sas_address, parent_sas_address = 0;
 775         u32 device_info, parent_devinfo = 0;
 776         unsigned int id;
 777         int ret = 1, error = 0, i;
 778         struct mprsas_lun *lun;
 779         u8 is_SATA_SSD = 0;
 780         struct mpr_command *cm;
 781
 782         sassc = sc->sassc;
 783         mprsas_startup_increment(sassc);
 784         if ((mpr_config_get_sas_device_pg0(sc, &mpi_reply, &config_page,
 785              MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
 786                 printf("%s: error reading SAS device page0\n", __func__);
 787                 error = ENXIO;
 788                 goto out;
 789         }
 790
 791         device_info = le32toh(config_page.DeviceInfo);
 792
 793         if (((device_info & MPI2_SAS_DEVICE_INFO_SMP_TARGET) == 0)
 794             && (le16toh(config_page.ParentDevHandle) != 0)) {
 795                 Mpi2ConfigReply_t tmp_mpi_reply;
 796                 Mpi2SasDevicePage0_t parent_config_page;
 797
 798                 if ((mpr_config_get_sas_device_pg0(sc, &tmp_mpi_reply,
 799                      &parent_config_page, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
 800                      le16toh(config_page.ParentDevHandle)))) {
 801                         printf("%s: error reading SAS device %#x page0\n",
 802                             __func__, le16toh(config_page.ParentDevHandle));
 803                 } else {
 804                         parent_sas_address = parent_config_page.SASAddress.High;
 805                         parent_sas_address = (parent_sas_address << 32) |
 806                             parent_config_page.SASAddress.Low;
 807                         parent_devinfo = le32toh(parent_config_page.DeviceInfo);
 808                 }
 809         }
 810         /* TODO Check proper endianess */
 811         sas_address = config_page.SASAddress.High;
 812         sas_address = (sas_address << 32) | config_page.SASAddress.Low;
 813         mpr_dprint(sc, MPR_INFO, "SAS Address from SAS device page0 = %jx\n",
 814             sas_address);
 815
 816         /*
 817          * Always get SATA Identify information because this is used to
 818          * determine if Start/Stop Unit should be sent to the drive when the
 819          * system is shutdown.
 820          */
 821         if (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE) {
 822                 ret = mprsas_get_sas_address_for_sata_disk(sc, &sas_address,
 823                     handle, device_info, &is_SATA_SSD);
 824                 if (ret) {
 825                         mpr_dprint(sc, MPR_ERROR, "%s: failed to get disk type "
 826                             "(SSD or HDD) for SATA device with handle 0x%04x\n",
 827                             __func__, handle);
 828                 } else {
 829                         mpr_dprint(sc, MPR_INFO, "SAS Address from SATA "
 830                             "device = %jx\n", sas_address);
 831                 }
 832         }
 833
 834         /*
 835          * use_phynum:
 836          *  1 - use the PhyNum field as a fallback to the mapping logic
 837          *  0 - never use the PhyNum field
 838          * -1 - only use the PhyNum field
 839          *
 840          * Note that using the Phy number to map a device can cause device adds
 841          * to fail if multiple enclosures/expanders are in the topology. For
 842          * example, if two devices are in the same slot number in two different
 843          * enclosures within the topology, only one of those devices will be
 844          * added. PhyNum mapping should not be used if multiple enclosures are
 845          * in the topology.
 846          */
 847         id = MPR_MAP_BAD_ID;
 848         if (sc->use_phynum != -1)
 849                 id = mpr_mapping_get_tid(sc, sas_address, handle);
 850         if (id == MPR_MAP_BAD_ID) {
 851                 if ((sc->use_phynum == 0) ||
 852                     ((id = config_page.PhyNum) > sassc->maxtargets)) {
 853                         mpr_dprint(sc, MPR_INFO, "failure at %s:%d/%s()! "
 854                             "Could not get ID for device with handle 0x%04x\n",
 855                             __FILE__, __LINE__, __func__, handle);
 856                         error = ENXIO;
 857                         goto out;
 858                 }
 859         }
 860         mpr_dprint(sc, MPR_MAPPING, "%s: Target ID for added device is %d.\n",
 861             __func__, id);
 862
 863         /*
 864          * Only do the ID check and reuse check if the target is not from a
 865          * RAID Component. For Physical Disks of a Volume, the ID will be reused
 866          * when a volume is deleted because the mapping entry for the PD will
 867          * still be in the mapping table. The ID check should not be done here
 868          * either since this PD is already being used.
 869          */
 870         targ = &sassc->targets[id];
 871         if (!(targ->flags & MPR_TARGET_FLAGS_RAID_COMPONENT)) {
 872                 if (mprsas_check_id(sassc, id) != 0) {
 873                         device_printf(sc->mpr_dev, "Excluding target id %d\n",
 874                             id);
 875                         error = ENXIO;
 876                         goto out;
 877                 }
 878
 879                 if (targ->handle != 0x0) {
 880                         mpr_dprint(sc, MPR_MAPPING, "Attempting to reuse "
 881                             "target id %d handle 0x%04x\n", id, targ->handle);
 882                         error = ENXIO;
 883                         goto out;
 884                 }
 885         }
 886
 887         mpr_dprint(sc, MPR_MAPPING, "SAS Address from SAS device page0 = %jx\n",
 888             sas_address);
 889         targ->devinfo = device_info;
 890         targ->devname = le32toh(config_page.DeviceName.High);
 891         targ->devname = (targ->devname << 32) |
 892             le32toh(config_page.DeviceName.Low);
 893         targ->encl_handle = le16toh(config_page.EnclosureHandle);
 894         targ->encl_slot = le16toh(config_page.Slot);
 895         targ->encl_level = config_page.EnclosureLevel;
 896         targ->connector_name[0] = config_page.ConnectorName[0];
 897         targ->connector_name[1] = config_page.ConnectorName[1];
 898         targ->connector_name[2] = config_page.ConnectorName[2];
 899         targ->connector_name[3] = config_page.ConnectorName[3];
 900         targ->handle = handle;
 901         targ->parent_handle = le16toh(config_page.ParentDevHandle);
 902         targ->sasaddr = mpr_to_u64(&config_page.SASAddress);
 903         targ->parent_sasaddr = le64toh(parent_sas_address);
 904         targ->parent_devinfo = parent_devinfo;
 905         targ->tid = id;
 906         targ->linkrate = (linkrate>>4);
 907         targ->flags = 0;
 908         if (is_SATA_SSD) {
 909                 targ->flags = MPR_TARGET_IS_SATA_SSD;
 910         }
 911         if ((le16toh(config_page.Flags) &
 912             MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH) &&
 913             (le16toh(config_page.Flags) &
 914             MPI25_SAS_DEVICE0_FLAGS_FAST_PATH_CAPABLE)) {
 915                 targ->scsi_req_desc_type =
 916                     MPI25_REQ_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO;
 917         }
 918         if (le16toh(config_page.Flags) &
 919             MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) {
 920                 targ->encl_level_valid = TRUE;
 921         }
 922         TAILQ_INIT(&targ->commands);
 923         TAILQ_INIT(&targ->timedout_commands);
 924         while (!SLIST_EMPTY(&targ->luns)) {
 925                 lun = SLIST_FIRST(&targ->luns);
 926                 SLIST_REMOVE_HEAD(&targ->luns, lun_link);
 927                 free(lun, M_MPR);
 928         }
 929         SLIST_INIT(&targ->luns);
 930
 931         mpr_describe_devinfo(targ->devinfo, devstring, 80);
 932         mpr_dprint(sc, (MPR_INFO|MPR_MAPPING), "Found device <%s> <%s> "
 933             "handle<0x%04x> enclosureHandle<0x%04x> slot %d\n", devstring,
 934             mpr_describe_table(mpr_linkrate_names, targ->linkrate),
 935             targ->handle, targ->encl_handle, targ->encl_slot);
 936         if (targ->encl_level_valid) {
 937                 mpr_dprint(sc, (MPR_INFO|MPR_MAPPING), "At enclosure level %d "
 938                     "and connector name (%4s)\n", targ->encl_level,
 939                     targ->connector_name);
 940         }
 941 #if ((__FreeBSD_version >= 1000000) && (__FreeBSD_version < 1000039)) || \
 942     (__FreeBSD_version < 902502)
 943         if ((sassc->flags & MPRSAS_IN_STARTUP) == 0)
 944 #endif
 945                 mprsas_rescan_target(sc, targ);
 946         mpr_dprint(sc, MPR_MAPPING, "Target id 0x%x added\n", targ->tid);
 947
 948         /*
 949          * Check all commands to see if the SATA_ID_TIMEOUT flag has been set.
 950          * If so, send a Target Reset TM to the target that was just created.
 951          * An Abort Task TM should be used instead of a Target Reset, but that
 952          * would be much more difficult because targets have not been fully
 953          * discovered yet, and LUN's haven't been setup.  So, just reset the
 954          * target instead of the LUN.
 955          */
 956         for (i = 1; i < sc->num_reqs; i++) {
 957                 cm = &sc->commands[i];
 958                 if (cm->cm_flags & MPR_CM_FLAGS_SATA_ID_TIMEOUT) {
 959                         targ->timeouts++;
 960                         cm->cm_state = MPR_CM_STATE_TIMEDOUT;
 961
 962                         if ((targ->tm = mprsas_alloc_tm(sc)) != NULL) {
 963                                 mpr_dprint(sc, MPR_INFO, "%s: sending Target "
 964                                     "Reset for stuck SATA identify command "
 965                                     "(cm = %p)\n", __func__, cm);
 966                                 targ->tm->cm_targ = targ;
 967                                 mprsas_send_reset(sc, targ->tm,
 968                                     MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET);
 969                         } else {
 970                                 mpr_dprint(sc, MPR_ERROR, "Failed to allocate "
 971                                     "tm for Target Reset after SATA ID command "
 972                                     "timed out (cm %p)\n", cm);
 973                         }
 974                         /*
 975                          * No need to check for more since the target is
 976                          * already being reset.
 977                          */
 978                         break;
 979                 }
 980         }
 981 out:
 982         /*
 983          * Free the commands that may not have been freed from the SATA ID call
 984          */
 985         for (i = 1; i < sc->num_reqs; i++) {
 986                 cm = &sc->commands[i];
 987                 if (cm->cm_flags & MPR_CM_FLAGS_SATA_ID_TIMEOUT) {
 988                         mpr_free_command(sc, cm);
 989                 }
 990         }
 991         mprsas_startup_decrement(sassc);
 992         return (error);
 993 }
 994
 995 int
 996 mprsas_get_sas_address_for_sata_disk(struct mpr_softc *sc,
 997     u64 *sas_address, u16 handle, u32 device_info, u8 *is_SATA_SSD)
 998 {
 999         Mpi2SataPassthroughReply_t mpi_reply;
1000         int i, rc, try_count;
1001         u32 *bufferptr;
1002         union _sata_sas_address hash_address;
1003         struct _ata_identify_device_data ata_identify;
1004         u8 buffer[MPT2SAS_MN_LEN + MPT2SAS_SN_LEN];
1005         u32 ioc_status;
1006         u8 sas_status;
1007
1008         memset(&ata_identify, 0, sizeof(ata_identify));
1009         memset(&mpi_reply, 0, sizeof(mpi_reply));
1010         try_count = 0;
1011         do {
1012                 rc = mprsas_get_sata_identify(sc, handle, &mpi_reply,
1013                     (char *)&ata_identify, sizeof(ata_identify), device_info);
1014                 try_count++;
1015                 ioc_status = le16toh(mpi_reply.IOCStatus)
1016                     & MPI2_IOCSTATUS_MASK;
1017                 sas_status = mpi_reply.SASStatus;
1018                 switch (ioc_status) {
1019                 case MPI2_IOCSTATUS_SUCCESS:
1020                         break;
1021                 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
1022                         /* No sense sleeping.  this error won't get better */
1023                         break;
1024                 default:
1025                         if (sc->spinup_wait_time > 0) {
1026                                 mpr_dprint(sc, MPR_INFO, "Sleeping %d seconds "
1027                                     "after SATA ID error to wait for spinup\n",
1028                                     sc->spinup_wait_time);
1029                                 msleep(&sc->msleep_fake_chan, &sc->mpr_mtx, 0,
1030                                     "mprid", sc->spinup_wait_time * hz);
1031                         }
1032                 }
1033         } while (((rc && (rc != EWOULDBLOCK)) ||
1034             (ioc_status && (ioc_status != MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR))
1035             || sas_status) && (try_count < 5));
1036
1037         if (rc == 0 && !ioc_status && !sas_status) {
1038                 mpr_dprint(sc, MPR_MAPPING, "%s: got SATA identify "
1039                     "successfully for handle = 0x%x with try_count = %d\n",
1040                     __func__, handle, try_count);
1041         } else {
1042                 mpr_dprint(sc, MPR_MAPPING, "%s: handle = 0x%x failed\n",
1043                     __func__, handle);
1044                 return -1;
1045         }
1046         /* Copy & byteswap the 40 byte model number to a buffer */
1047         for (i = 0; i < MPT2SAS_MN_LEN; i += 2) {
1048                 buffer[i] = ((u8 *)ata_identify.model_number)[i + 1];
1049                 buffer[i + 1] = ((u8 *)ata_identify.model_number)[i];
1050         }
1051         /* Copy & byteswap the 20 byte serial number to a buffer */
1052         for (i = 0; i < MPT2SAS_SN_LEN; i += 2) {
1053                 buffer[MPT2SAS_MN_LEN + i] =
1054                     ((u8 *)ata_identify.serial_number)[i + 1];
1055                 buffer[MPT2SAS_MN_LEN + i + 1] =
1056                     ((u8 *)ata_identify.serial_number)[i];
1057         }
1058         bufferptr = (u32 *)buffer;
1059         /* There are 60 bytes to hash down to 8. 60 isn't divisible by 8,
1060          * so loop through the first 56 bytes (7*8),
1061          * and then add in the last dword.
1062          */
1063         hash_address.word.low  = 0;
1064         hash_address.word.high = 0;
1065         for (i = 0; (i < ((MPT2SAS_MN_LEN+MPT2SAS_SN_LEN)/8)); i++) {
1066                 hash_address.word.low += *bufferptr;
1067                 bufferptr++;
1068                 hash_address.word.high += *bufferptr;
1069                 bufferptr++;
1070         }
1071         /* Add the last dword */
1072         hash_address.word.low += *bufferptr;
1073         /* Make sure the hash doesn't start with 5, because it could clash
1074          * with a SAS address. Change 5 to a D.
1075          */
1076         if ((hash_address.word.high & 0x000000F0) == (0x00000050))
1077                 hash_address.word.high |= 0x00000080;
1078         *sas_address = (u64)hash_address.wwid[0] << 56 |
1079             (u64)hash_address.wwid[1] << 48 | (u64)hash_address.wwid[2] << 40 |
1080             (u64)hash_address.wwid[3] << 32 | (u64)hash_address.wwid[4] << 24 |
1081             (u64)hash_address.wwid[5] << 16 | (u64)hash_address.wwid[6] <<  8 |
1082             (u64)hash_address.wwid[7];
1083         if (ata_identify.rotational_speed == 1) {
1084                 *is_SATA_SSD = 1;
1085         }
1086
1087         return 0;
1088 }
1089
1090 static int
1091 mprsas_get_sata_identify(struct mpr_softc *sc, u16 handle,
1092     Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz, u32 devinfo)
1093 {
1094         Mpi2SataPassthroughRequest_t *mpi_request;
1095         Mpi2SataPassthroughReply_t *reply;
1096         struct mpr_command *cm;
1097         char *buffer;
1098         int error = 0;
1099
1100         buffer = malloc( sz, M_MPR, M_NOWAIT | M_ZERO);
1101         if (!buffer)
1102                 return ENOMEM;
1103
1104         if ((cm = mpr_alloc_command(sc)) == NULL) {
1105                 free(buffer, M_MPR);
1106                 return (EBUSY);
1107         }
1108         mpi_request = (MPI2_SATA_PASSTHROUGH_REQUEST *)cm->cm_req;
1109         bzero(mpi_request,sizeof(MPI2_SATA_PASSTHROUGH_REQUEST));
1110         mpi_request->Function = MPI2_FUNCTION_SATA_PASSTHROUGH;
1111         mpi_request->VF_ID = 0;
1112         mpi_request->DevHandle = htole16(handle);
1113         mpi_request->PassthroughFlags = (MPI2_SATA_PT_REQ_PT_FLAGS_PIO |
1114             MPI2_SATA_PT_REQ_PT_FLAGS_READ);
1115         mpi_request->DataLength = htole32(sz);
1116         mpi_request->CommandFIS[0] = 0x27;
1117         mpi_request->CommandFIS[1] = 0x80;
1118         mpi_request->CommandFIS[2] =  (devinfo &
1119             MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? 0xA1 : 0xEC;
1120         cm->cm_sge = &mpi_request->SGL;
1121         cm->cm_sglsize = sizeof(MPI2_SGE_IO_UNION);
1122         cm->cm_flags = MPR_CM_FLAGS_DATAIN;
1123         cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
1124         cm->cm_data = buffer;
1125         cm->cm_length = htole32(sz);
1126
1127         /*
1128          * Start a timeout counter specifically for the SATA ID command. This
1129          * is used to fix a problem where the FW does not send a reply sometimes
1130          * when a bad disk is in the topology. So, this is used to timeout the
1131          * command so that processing can continue normally.
1132          */
1133         mpr_dprint(sc, MPR_XINFO, "%s start timeout counter for SATA ID "
1134             "command\n", __func__);
1135         callout_reset(&cm->cm_callout, MPR_ATA_ID_TIMEOUT * hz,
1136             mprsas_ata_id_timeout, cm);
1137         error = mpr_wait_command(sc, &cm, 60, CAN_SLEEP);
1138         mpr_dprint(sc, MPR_XINFO, "%s stop timeout counter for SATA ID "
1139             "command\n", __func__);
1140         /* XXX KDM need to fix the case where this command is destroyed */
1141         callout_stop(&cm->cm_callout);
1142
1143         if (cm != NULL)
1144                 reply = (Mpi2SataPassthroughReply_t *)cm->cm_reply;
1145         if (error || (reply == NULL)) {
1146                 /* FIXME */
1147                 /*
1148                  * If the request returns an error then we need to do a diag
1149                  * reset
1150                  */
1151                 printf("%s: request for page completed with error %d",
1152                     __func__, error);
1153                 error = ENXIO;
1154                 goto out;
1155         }
1156         bcopy(buffer, id_buffer, sz);
1157         bcopy(reply, mpi_reply, sizeof(Mpi2SataPassthroughReply_t));
1158         if ((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) !=
1159             MPI2_IOCSTATUS_SUCCESS) {
1160                 printf("%s: error reading SATA PASSTHRU; iocstatus = 0x%x\n",
1161                     __func__, reply->IOCStatus);
1162                 error = ENXIO;
1163                 goto out;
1164         }
1165 out:
1166         /*
1167          * If the SATA_ID_TIMEOUT flag has been set for this command, don't free
1168          * it.  The command will be freed after sending a target reset TM. If
1169          * the command did timeout, use EWOULDBLOCK.
1170          */
1171         if ((cm->cm_flags & MPR_CM_FLAGS_SATA_ID_TIMEOUT) == 0)
1172                 mpr_free_command(sc, cm);
1173         else if (error == 0)
1174                 error = EWOULDBLOCK;
1175         cm->cm_data = NULL;
1176         free(buffer, M_MPR);
1177         return (error);
1178 }
1179
1180 static void
1181 mprsas_ata_id_timeout(void *data)
1182 {
1183         struct mpr_softc *sc;
1184         struct mpr_command *cm;
1185
1186         cm = (struct mpr_command *)data;
1187         sc = cm->cm_sc;
1188         mtx_assert(&sc->mpr_mtx, MA_OWNED);
1189
1190         mpr_dprint(sc, MPR_INFO, "%s checking ATA ID command %p sc %p\n",
1191             __func__, cm, sc);
1192         if ((callout_pending(&cm->cm_callout)) ||
1193             (!callout_active(&cm->cm_callout))) {
1194                 mpr_dprint(sc, MPR_INFO, "%s ATA ID command almost timed out\n",
1195                     __func__);
1196                 return;
1197         }
1198         callout_deactivate(&cm->cm_callout);
1199
1200         /*
1201          * Run the interrupt handler to make sure it's not pending.  This
1202          * isn't perfect because the command could have already completed
1203          * and been re-used, though this is unlikely.
1204          */
1205         mpr_intr_locked(sc);
1206         if (cm->cm_state == MPR_CM_STATE_FREE) {
1207                 mpr_dprint(sc, MPR_INFO, "%s ATA ID command almost timed out\n",
1208                     __func__);
1209                 return;
1210         }
1211
1212         mpr_dprint(sc, MPR_INFO, "ATA ID command timeout cm %p\n", cm);
1213
1214         /*
1215          * Send wakeup() to the sleeping thread that issued this ATA ID command.
1216          * wakeup() will cause msleep to return a 0 (not EWOULDBLOCK), and this
1217          * will keep reinit() from being called. This way, an Abort Task TM can
1218          * be issued so that the timed out command can be cleared. The Abort
1219          * Task cannot be sent from here because the driver has not completed
1220          * setting up targets.  Instead, the command is flagged so that special
1221          * handling will be used to send the abort.
1222          */
1223         cm->cm_flags |= MPR_CM_FLAGS_SATA_ID_TIMEOUT;
1224         wakeup(cm);
1225 }
1226
1227 static int
1228 mprsas_add_pcie_device(struct mpr_softc *sc, u16 handle, u8 linkrate)
1229 {
1230         char devstring[80];
1231         struct mprsas_softc *sassc;
1232         struct mprsas_target *targ;
1233         Mpi2ConfigReply_t mpi_reply;
1234         Mpi26PCIeDevicePage0_t config_page;
1235         Mpi26PCIeDevicePage2_t config_page2;
1236         uint64_t pcie_wwid, parent_wwid = 0;
1237         u32 device_info, parent_devinfo = 0;
1238         unsigned int id;
1239         int error = 0;
1240         struct mprsas_lun *lun;
1241
1242         sassc = sc->sassc;
1243         mprsas_startup_increment(sassc);
1244         if ((mpr_config_get_pcie_device_pg0(sc, &mpi_reply, &config_page,
1245              MPI26_PCIE_DEVICE_PGAD_FORM_HANDLE, handle))) {
1246                 printf("%s: error reading PCIe device page0\n", __func__);
1247                 error = ENXIO;
1248                 goto out;
1249         }
1250
1251         device_info = le32toh(config_page.DeviceInfo);
1252
1253         if (((device_info & MPI26_PCIE_DEVINFO_PCI_SWITCH) == 0)
1254             && (le16toh(config_page.ParentDevHandle) != 0)) {
1255                 Mpi2ConfigReply_t tmp_mpi_reply;
1256                 Mpi26PCIeDevicePage0_t parent_config_page;
1257
1258                 if ((mpr_config_get_pcie_device_pg0(sc, &tmp_mpi_reply,
1259                      &parent_config_page, MPI26_PCIE_DEVICE_PGAD_FORM_HANDLE,
1260                      le16toh(config_page.ParentDevHandle)))) {
1261                         printf("%s: error reading PCIe device %#x page0\n",
1262                             __func__, le16toh(config_page.ParentDevHandle));
1263                 } else {
1264                         parent_wwid = parent_config_page.WWID.High;
1265                         parent_wwid = (parent_wwid << 32) |
1266                             parent_config_page.WWID.Low;
1267                         parent_devinfo = le32toh(parent_config_page.DeviceInfo);
1268                 }
1269         }
1270         /* TODO Check proper endianness */
1271         pcie_wwid = config_page.WWID.High;
1272         pcie_wwid = (pcie_wwid << 32) | config_page.WWID.Low;
1273         mpr_dprint(sc, MPR_INFO, "PCIe WWID from PCIe device page0 = %jx\n",
1274             pcie_wwid);
1275
1276         if ((mpr_config_get_pcie_device_pg2(sc, &mpi_reply, &config_page2,
1277              MPI26_PCIE_DEVICE_PGAD_FORM_HANDLE, handle))) {
1278                 printf("%s: error reading PCIe device page2\n", __func__);
1279                 error = ENXIO;
1280                 goto out;
1281         }
1282
1283         id = mpr_mapping_get_tid(sc, pcie_wwid, handle);
1284         if (id == MPR_MAP_BAD_ID) {
1285                 mpr_dprint(sc, MPR_ERROR | MPR_INFO, "failure at %s:%d/%s()! "
1286                     "Could not get ID for device with handle 0x%04x\n",
1287                     __FILE__, __LINE__, __func__, handle);
1288                 error = ENXIO;
1289                 goto out;
1290         }
1291         mpr_dprint(sc, MPR_MAPPING, "%s: Target ID for added device is %d.\n",
1292             __func__, id);
1293
1294         if (mprsas_check_id(sassc, id) != 0) {
1295                 device_printf(sc->mpr_dev, "Excluding target id %d\n", id);
1296                 error = ENXIO;
1297                 goto out;
1298         }
1299
1300         mpr_dprint(sc, MPR_MAPPING, "WWID from PCIe device page0 = %jx\n",
1301             pcie_wwid);
1302         targ = &sassc->targets[id];
1303         targ->devinfo = device_info;
1304         targ->encl_handle = le16toh(config_page.EnclosureHandle);
1305         targ->encl_slot = le16toh(config_page.Slot);
1306         targ->encl_level = config_page.EnclosureLevel;
1307         targ->connector_name[0] = ((char *)&config_page.ConnectorName)[0];
1308         targ->connector_name[1] = ((char *)&config_page.ConnectorName)[1];
1309         targ->connector_name[2] = ((char *)&config_page.ConnectorName)[2];
1310         targ->connector_name[3] = ((char *)&config_page.ConnectorName)[3];
1311         targ->is_nvme = device_info & MPI26_PCIE_DEVINFO_NVME;
1312         targ->MDTS = config_page2.MaximumDataTransferSize;
1313         /*
1314          * Assume always TRUE for encl_level_valid because there is no valid
1315          * flag for PCIe.
1316          */
1317         targ->encl_level_valid = TRUE;
1318         targ->handle = handle;
1319         targ->parent_handle = le16toh(config_page.ParentDevHandle);
1320         targ->sasaddr = mpr_to_u64(&config_page.WWID);
1321         targ->parent_sasaddr = le64toh(parent_wwid);
1322         targ->parent_devinfo = parent_devinfo;
1323         targ->tid = id;
1324         targ->linkrate = linkrate;
1325         targ->flags = 0;
1326         if ((le16toh(config_page.Flags) &
1327             MPI26_PCIEDEV0_FLAGS_ENABLED_FAST_PATH) &&
1328             (le16toh(config_page.Flags) &
1329             MPI26_PCIEDEV0_FLAGS_FAST_PATH_CAPABLE)) {
1330                 targ->scsi_req_desc_type =
1331                     MPI25_REQ_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO;
1332         }
1333         TAILQ_INIT(&targ->commands);
1334         TAILQ_INIT(&targ->timedout_commands);
1335         while (!SLIST_EMPTY(&targ->luns)) {
1336                 lun = SLIST_FIRST(&targ->luns);
1337                 SLIST_REMOVE_HEAD(&targ->luns, lun_link);
1338                 free(lun, M_MPR);
1339         }
1340         SLIST_INIT(&targ->luns);
1341
1342         mpr_describe_devinfo(targ->devinfo, devstring, 80);
1343         mpr_dprint(sc, (MPR_INFO|MPR_MAPPING), "Found PCIe device <%s> <%s> "
1344             "handle<0x%04x> enclosureHandle<0x%04x> slot %d\n", devstring,
1345             mpr_describe_table(mpr_pcie_linkrate_names, targ->linkrate),
1346             targ->handle, targ->encl_handle, targ->encl_slot);
1347         if (targ->encl_level_valid) {
1348                 mpr_dprint(sc, (MPR_INFO|MPR_MAPPING), "At enclosure level %d "
1349                     "and connector name (%4s)\n", targ->encl_level,
1350                     targ->connector_name);
1351         }
1352 #if ((__FreeBSD_version >= 1000000) && (__FreeBSD_version < 1000039)) || \
1353     (__FreeBSD_version < 902502)
1354         if ((sassc->flags & MPRSAS_IN_STARTUP) == 0)
1355 #endif
1356                 mprsas_rescan_target(sc, targ);
1357         mpr_dprint(sc, MPR_MAPPING, "Target id 0x%x added\n", targ->tid);
1358
1359 out:
1360         mprsas_startup_decrement(sassc);
1361         return (error);
1362 }
1363
1364 static int
1365 mprsas_volume_add(struct mpr_softc *sc, u16 handle)
1366 {
1367         struct mprsas_softc *sassc;
1368         struct mprsas_target *targ;
1369         u64 wwid;
1370         unsigned int id;
1371         int error = 0;
1372         struct mprsas_lun *lun;
1373
1374         sassc = sc->sassc;
1375         mprsas_startup_increment(sassc);
1376         /* wwid is endian safe */
1377         mpr_config_get_volume_wwid(sc, handle, &wwid);
1378         if (!wwid) {
1379                 printf("%s: invalid WWID; cannot add volume to mapping table\n",
1380                     __func__);
1381                 error = ENXIO;
1382                 goto out;
1383         }
1384
1385         id = mpr_mapping_get_raid_tid(sc, wwid, handle);
1386         if (id == MPR_MAP_BAD_ID) {
1387                 printf("%s: could not get ID for volume with handle 0x%04x and "
1388                     "WWID 0x%016llx\n", __func__, handle,
1389                     (unsigned long long)wwid);
1390                 error = ENXIO;
1391                 goto out;
1392         }
1393
1394         targ = &sassc->targets[id];
1395         targ->tid = id;
1396         targ->handle = handle;
1397         targ->devname = wwid;
1398         TAILQ_INIT(&targ->commands);
1399         TAILQ_INIT(&targ->timedout_commands);
1400         while (!SLIST_EMPTY(&targ->luns)) {
1401                 lun = SLIST_FIRST(&targ->luns);
1402                 SLIST_REMOVE_HEAD(&targ->luns, lun_link);
1403                 free(lun, M_MPR);
1404         }
1405         SLIST_INIT(&targ->luns);
1406 #if ((__FreeBSD_version >= 1000000) && (__FreeBSD_version < 1000039)) || \
1407     (__FreeBSD_version < 902502)
1408         if ((sassc->flags & MPRSAS_IN_STARTUP) == 0)
1409 #endif
1410                 mprsas_rescan_target(sc, targ);
1411         mpr_dprint(sc, MPR_MAPPING, "RAID target id %d added (WWID = 0x%jx)\n",
1412             targ->tid, wwid);
1413 out:
1414         mprsas_startup_decrement(sassc);
1415         return (error);
1416 }
1417
1418 /**
1419  * mprsas_SSU_to_SATA_devices
1420  * @sc: per adapter object
1421  *
1422  * Looks through the target list and issues a StartStopUnit SCSI command to each
1423  * SATA direct-access device.  This helps to ensure that data corruption is
1424  * avoided when the system is being shut down.  This must be called after the IR
1425  * System Shutdown RAID Action is sent if in IR mode.
1426  *
1427  * Return nothing.
1428  */
1429 static void
1430 mprsas_SSU_to_SATA_devices(struct mpr_softc *sc)
1431 {
1432         struct mprsas_softc *sassc = sc->sassc;
1433         union ccb *ccb;
1434         path_id_t pathid = cam_sim_path(sassc->sim);
1435         target_id_t targetid;
1436         struct mprsas_target *target;
1437         char path_str[64];
1438         struct timeval cur_time, start_time;
1439
1440         mpr_lock(sc);
1441
1442         /*
1443          * For each target, issue a StartStopUnit command to stop the device.
1444          */
1445         sc->SSU_started = TRUE;
1446         sc->SSU_refcount = 0;
1447         for (targetid = 0; targetid < sc->max_devices; targetid++) {
1448                 target = &sassc->targets[targetid];
1449                 if (target->handle == 0x0) {
1450                         continue;
1451                 }
1452
1453                 /*
1454                  * The stop_at_shutdown flag will be set if this device is
1455                  * a SATA direct-access end device.
1456                  */
1457                 if (target->stop_at_shutdown) {
1458                         ccb = xpt_alloc_ccb_nowait();
1459                         if (ccb == NULL) {
1460                                 mpr_dprint(sc, MPR_FAULT, "Unable to alloc CCB "
1461                                     "to stop unit.\n");
1462                                 return;
1463                         }
1464
1465                         if (xpt_create_path(&ccb->ccb_h.path, xpt_periph,
1466                             pathid, targetid, CAM_LUN_WILDCARD) !=
1467                             CAM_REQ_CMP) {
1468                                 mpr_dprint(sc, MPR_ERROR, "Unable to create "
1469                                     "path to stop unit.\n");
1470                                 xpt_free_ccb(ccb);
1471                                 return;
1472                         }
1473                         xpt_path_string(ccb->ccb_h.path, path_str,
1474                             sizeof(path_str));
1475
1476                         mpr_dprint(sc, MPR_INFO, "Sending StopUnit: path %s "
1477                             "handle %d\n", path_str, target->handle);
1478
1479                         /*
1480                          * Issue a START STOP UNIT command for the target.
1481                          * Increment the SSU counter to be used to count the
1482                          * number of required replies.
1483                          */
1484                         mpr_dprint(sc, MPR_INFO, "Incrementing SSU count\n");
1485                         sc->SSU_refcount++;
1486                         ccb->ccb_h.target_id =
1487                             xpt_path_target_id(ccb->ccb_h.path);
1488                         ccb->ccb_h.ppriv_ptr1 = sassc;
1489                         scsi_start_stop(&ccb->csio,
1490                             /*retries*/0,
1491                             mprsas_stop_unit_done,
1492                             MSG_SIMPLE_Q_TAG,
1493                             /*start*/FALSE,
1494                             /*load/eject*/0,
1495                             /*immediate*/FALSE,
1496                             MPR_SENSE_LEN,
1497                             /*timeout*/10000);
1498                         xpt_action(ccb);
1499                 }
1500         }
1501
1502         mpr_unlock(sc);
1503
1504         /*
1505          * Wait until all of the SSU commands have completed or time has
1506          * expired (60 seconds).  Pause for 100ms each time through.  If any
1507          * command times out, the target will be reset in the SCSI command
1508          * timeout routine.
1509          */
1510         getmicrotime(&start_time);
1511         while (sc->SSU_refcount) {
1512                 pause("mprwait", hz/10);
1513
1514                 getmicrotime(&cur_time);
1515                 if ((cur_time.tv_sec - start_time.tv_sec) > 60) {
1516                         mpr_dprint(sc, MPR_ERROR, "Time has expired waiting "
1517                             "for SSU commands to complete.\n");
1518                         break;
1519                 }
1520         }
1521 }
1522
1523 static void
1524 mprsas_stop_unit_done(struct cam_periph *periph, union ccb *done_ccb)
1525 {
1526         struct mprsas_softc *sassc;
1527         char path_str[64];
1528
1529         if (done_ccb == NULL)
1530                 return;
1531
1532         sassc = (struct mprsas_softc *)done_ccb->ccb_h.ppriv_ptr1;
1533
1534         xpt_path_string(done_ccb->ccb_h.path, path_str, sizeof(path_str));
1535         mpr_dprint(sassc->sc, MPR_INFO, "Completing stop unit for %s\n",
1536             path_str);
1537
1538         /*
1539          * Nothing more to do except free the CCB and path.  If the command
1540          * timed out, an abort reset, then target reset will be issued during
1541          * the SCSI Command process.
1542          */
1543         xpt_free_path(done_ccb->ccb_h.path);
1544         xpt_free_ccb(done_ccb);
1545 }
1546
1547 /**
1548  * mprsas_ir_shutdown - IR shutdown notification
1549  * @sc: per adapter object
1550  *
1551  * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that
1552  * the host system is shutting down.
1553  *
1554  * Return nothing.
1555  */
1556 void
1557 mprsas_ir_shutdown(struct mpr_softc *sc)
1558 {
1559         u16 volume_mapping_flags;
1560         u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1561         struct dev_mapping_table *mt_entry;
1562         u32 start_idx, end_idx;
1563         unsigned int id, found_volume = 0;
1564         struct mpr_command *cm;
1565         Mpi2RaidActionRequest_t *action;
1566         target_id_t targetid;
1567         struct mprsas_target *target;
1568
1569         mpr_dprint(sc, MPR_TRACE, "%s\n", __func__);
1570
1571         /* is IR firmware build loaded? */
1572         if (!sc->ir_firmware)
1573                 goto out;
1574
1575         /* are there any volumes?  Look at IR target IDs. */
1576         // TODO-later, this should be looked up in the RAID config structure
1577         // when it is implemented.
1578         volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) &
1579             MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
1580         if (volume_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) {
1581                 start_idx = 0;
1582                 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0)
1583                         start_idx = 1;
1584         } else
1585                 start_idx = sc->max_devices - sc->max_volumes;
1586         end_idx = start_idx + sc->max_volumes - 1;
1587
1588         for (id = start_idx; id < end_idx; id++) {
1589                 mt_entry = &sc->mapping_table[id];
1590                 if ((mt_entry->physical_id != 0) &&
1591                     (mt_entry->missing_count == 0)) {
1592                         found_volume = 1;
1593                         break;
1594                 }
1595         }
1596
1597         if (!found_volume)
1598                 goto out;
1599
1600         if ((cm = mpr_alloc_command(sc)) == NULL) {
1601                 printf("%s: command alloc failed\n", __func__);
1602                 goto out;
1603         }
1604
1605         action = (MPI2_RAID_ACTION_REQUEST *)cm->cm_req;
1606         action->Function = MPI2_FUNCTION_RAID_ACTION;
1607         action->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED;
1608         cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
1609         mpr_lock(sc);
1610         mpr_wait_command(sc, &cm, 5, CAN_SLEEP);
1611         mpr_unlock(sc);
1612
1613         /*
1614          * Don't check for reply, just leave.
1615          */
1616         if (cm)
1617                 mpr_free_command(sc, cm);
1618
1619 out:
1620         /*
1621          * All of the targets must have the correct value set for
1622          * 'stop_at_shutdown' for the current 'enable_ssu' sysctl variable.
1623          *
1624          * The possible values for the 'enable_ssu' variable are:
1625          * 0: disable to SSD and HDD
1626          * 1: disable only to HDD (default)
1627          * 2: disable only to SSD
1628          * 3: enable to SSD and HDD
1629          * anything else will default to 1.
1630          */
1631         for (targetid = 0; targetid < sc->max_devices; targetid++) {
1632                 target = &sc->sassc->targets[targetid];
1633                 if (target->handle == 0x0) {
1634                         continue;
1635                 }
1636
1637                 if (target->supports_SSU) {
1638                         switch (sc->enable_ssu) {
1639                         case MPR_SSU_DISABLE_SSD_DISABLE_HDD:
1640                                 target->stop_at_shutdown = FALSE;
1641                                 break;
1642                         case MPR_SSU_DISABLE_SSD_ENABLE_HDD:
1643                                 target->stop_at_shutdown = TRUE;
1644                                 if (target->flags & MPR_TARGET_IS_SATA_SSD) {
1645                                         target->stop_at_shutdown = FALSE;
1646                                 }
1647                                 break;
1648                         case MPR_SSU_ENABLE_SSD_ENABLE_HDD:
1649                                 target->stop_at_shutdown = TRUE;
1650                                 break;
1651                         case MPR_SSU_ENABLE_SSD_DISABLE_HDD:
1652                         default:
1653                                 target->stop_at_shutdown = TRUE;
1654                                 if ((target->flags &
1655                                     MPR_TARGET_IS_SATA_SSD) == 0) {
1656                                         target->stop_at_shutdown = FALSE;
1657                                 }
1658                                 break;
1659                         }
1660                 }
1661         }
1662         mprsas_SSU_to_SATA_devices(sc);
1663 }