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_SAS_DEVICE_DISCOVERY_ERROR:
 685         {
 686                 pMpi25EventDataSasDeviceDiscoveryError_t discovery_error_data;
 687                 uint64_t sas_address;
 688
 689                 discovery_error_data =
 690                     (pMpi25EventDataSasDeviceDiscoveryError_t)
 691                     fw_event->event_data;
 692
 693                 sas_address = discovery_error_data->SASAddress.High;
 694                 sas_address = (sas_address << 32) |
 695                     discovery_error_data->SASAddress.Low;
 696
 697                 switch(discovery_error_data->ReasonCode) {
 698                 case MPI25_EVENT_SAS_DISC_ERR_SMP_FAILED:
 699                 {
 700                         mpr_printf(sc, "SMP command failed during discovery "
 701                             "for expander with SAS Address %jx and "
 702                             "handle 0x%x.\n", sas_address,
 703                             discovery_error_data->DevHandle);
 704                         break;
 705                 }
 706                 case MPI25_EVENT_SAS_DISC_ERR_SMP_TIMEOUT:
 707                 {
 708                         mpr_printf(sc, "SMP command timed out during "
 709                             "discovery for expander with SAS Address %jx and "
 710                             "handle 0x%x.\n", sas_address,
 711                             discovery_error_data->DevHandle);
 712                         break;
 713                 }
 714                 default:
 715                         break;
 716                 }
 717                 break;
 718         }
 719         case MPI2_EVENT_PCIE_TOPOLOGY_CHANGE_LIST:
 720         {
 721                 MPI26_EVENT_DATA_PCIE_TOPOLOGY_CHANGE_LIST *data;
 722                 MPI26_EVENT_PCIE_TOPO_PORT_ENTRY *port_entry;
 723                 uint8_t i, link_rate;
 724                 uint16_t handle;
 725
 726                 data = (MPI26_EVENT_DATA_PCIE_TOPOLOGY_CHANGE_LIST *)
 727                     fw_event->event_data;
 728
 729                 mpr_mapping_pcie_topology_change_event(sc,
 730                     fw_event->event_data);
 731
 732                 for (i = 0; i < data->NumEntries; i++) {
 733                         port_entry = &data->PortEntry[i];
 734                         handle = le16toh(port_entry->AttachedDevHandle);
 735                         link_rate = port_entry->CurrentPortInfo &
 736                             MPI26_EVENT_PCIE_TOPO_PI_RATE_MASK;
 737                         switch (port_entry->PortStatus) {
 738                         case MPI26_EVENT_PCIE_TOPO_PS_DEV_ADDED:
 739                                 if (link_rate <
 740                                     MPI26_EVENT_PCIE_TOPO_PI_RATE_2_5) {
 741                                         mpr_dprint(sc, MPR_ERROR, "%s: Cannot "
 742                                             "add PCIe device with handle 0x%x "
 743                                             "with unknown link rate.\n",
 744                                             __func__, handle);
 745                                         break;
 746                                 }
 747                                 if (mprsas_add_pcie_device(sc, handle,
 748                                     link_rate)) {
 749                                         mpr_dprint(sc, MPR_ERROR, "%s: failed "
 750                                             "to add PCIe device with handle "
 751                                             "0x%x\n", __func__, handle);
 752                                         mprsas_prepare_remove(sassc, handle);
 753                                 }
 754                                 break;
 755                         case MPI26_EVENT_PCIE_TOPO_PS_NOT_RESPONDING:
 756                                 mprsas_prepare_remove(sassc, handle);
 757                                 break;
 758                         case MPI26_EVENT_PCIE_TOPO_PS_PORT_CHANGED:
 759                         case MPI26_EVENT_PCIE_TOPO_PS_NO_CHANGE:
 760                         case MPI26_EVENT_PCIE_TOPO_PS_DELAY_NOT_RESPONDING:
 761                         default:
 762                                 break;
 763                         }
 764                 }
 765                 /*
 766                  * refcount was incremented for this event in
 767                  * mprsas_evt_handler.  Decrement it here because the event has
 768                  * been processed.
 769                  */
 770                 mprsas_startup_decrement(sassc);
 771                 break;
 772         }
 773         case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
 774         case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
 775         default:
 776                 mpr_dprint(sc, MPR_TRACE,"Unhandled event 0x%0X\n",
 777                     fw_event->event);
 778                 break;
 779
 780         }
 781         mpr_dprint(sc, MPR_EVENT, "(%d)->(%s) Event Free: [%x]\n", event_count,
 782             __func__, fw_event->event);
 783         mprsas_fw_event_free(sc, fw_event);
 784 }
 785
 786 void
 787 mprsas_firmware_event_work(void *arg, int pending)
 788 {
 789         struct mpr_fw_event_work *fw_event;
 790         struct mpr_softc *sc;
 791
 792         sc = (struct mpr_softc *)arg;
 793         mpr_lock(sc);
 794         while ((fw_event = TAILQ_FIRST(&sc->sassc->ev_queue)) != NULL) {
 795                 TAILQ_REMOVE(&sc->sassc->ev_queue, fw_event, ev_link);
 796                 mprsas_fw_work(sc, fw_event);
 797         }
 798         mpr_unlock(sc);
 799 }
 800
 801 static int
 802 mprsas_add_device(struct mpr_softc *sc, u16 handle, u8 linkrate)
 803 {
 804         char devstring[80];
 805         struct mprsas_softc *sassc;
 806         struct mprsas_target *targ;
 807         Mpi2ConfigReply_t mpi_reply;
 808         Mpi2SasDevicePage0_t config_page;
 809         uint64_t sas_address, parent_sas_address = 0;
 810         u32 device_info, parent_devinfo = 0;
 811         unsigned int id;
 812         int ret = 1, error = 0, i;
 813         struct mprsas_lun *lun;
 814         u8 is_SATA_SSD = 0;
 815         struct mpr_command *cm;
 816
 817         sassc = sc->sassc;
 818         mprsas_startup_increment(sassc);
 819         if ((mpr_config_get_sas_device_pg0(sc, &mpi_reply, &config_page,
 820              MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
 821                 printf("%s: error reading SAS device page0\n", __func__);
 822                 error = ENXIO;
 823                 goto out;
 824         }
 825
 826         device_info = le32toh(config_page.DeviceInfo);
 827
 828         if (((device_info & MPI2_SAS_DEVICE_INFO_SMP_TARGET) == 0)
 829             && (le16toh(config_page.ParentDevHandle) != 0)) {
 830                 Mpi2ConfigReply_t tmp_mpi_reply;
 831                 Mpi2SasDevicePage0_t parent_config_page;
 832
 833                 if ((mpr_config_get_sas_device_pg0(sc, &tmp_mpi_reply,
 834                      &parent_config_page, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
 835                      le16toh(config_page.ParentDevHandle)))) {
 836                         printf("%s: error reading SAS device %#x page0\n",
 837                             __func__, le16toh(config_page.ParentDevHandle));
 838                 } else {
 839                         parent_sas_address = parent_config_page.SASAddress.High;
 840                         parent_sas_address = (parent_sas_address << 32) |
 841                             parent_config_page.SASAddress.Low;
 842                         parent_devinfo = le32toh(parent_config_page.DeviceInfo);
 843                 }
 844         }
 845         /* TODO Check proper endianness */
 846         sas_address = config_page.SASAddress.High;
 847         sas_address = (sas_address << 32) | config_page.SASAddress.Low;
 848         mpr_dprint(sc, MPR_INFO, "SAS Address from SAS device page0 = %jx\n",
 849             sas_address);
 850
 851         /*
 852          * Always get SATA Identify information because this is used to
 853          * determine if Start/Stop Unit should be sent to the drive when the
 854          * system is shutdown.
 855          */
 856         if (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE) {
 857                 ret = mprsas_get_sas_address_for_sata_disk(sc, &sas_address,
 858                     handle, device_info, &is_SATA_SSD);
 859                 if (ret) {
 860                         mpr_dprint(sc, MPR_ERROR, "%s: failed to get disk type "
 861                             "(SSD or HDD) for SATA device with handle 0x%04x\n",
 862                             __func__, handle);
 863                 } else {
 864                         mpr_dprint(sc, MPR_INFO, "SAS Address from SATA "
 865                             "device = %jx\n", sas_address);
 866                 }
 867         }
 868
 869         /*
 870          * use_phynum:
 871          *  1 - use the PhyNum field as a fallback to the mapping logic
 872          *  0 - never use the PhyNum field
 873          * -1 - only use the PhyNum field
 874          *
 875          * Note that using the Phy number to map a device can cause device adds
 876          * to fail if multiple enclosures/expanders are in the topology. For
 877          * example, if two devices are in the same slot number in two different
 878          * enclosures within the topology, only one of those devices will be
 879          * added. PhyNum mapping should not be used if multiple enclosures are
 880          * in the topology.
 881          */
 882         id = MPR_MAP_BAD_ID;
 883         if (sc->use_phynum != -1)
 884                 id = mpr_mapping_get_tid(sc, sas_address, handle);
 885         if (id == MPR_MAP_BAD_ID) {
 886                 if ((sc->use_phynum == 0) ||
 887                     ((id = config_page.PhyNum) > sassc->maxtargets)) {
 888                         mpr_dprint(sc, MPR_INFO, "failure at %s:%d/%s()! "
 889                             "Could not get ID for device with handle 0x%04x\n",
 890                             __FILE__, __LINE__, __func__, handle);
 891                         error = ENXIO;
 892                         goto out;
 893                 }
 894         }
 895         mpr_dprint(sc, MPR_MAPPING, "%s: Target ID for added device is %d.\n",
 896             __func__, id);
 897
 898         /*
 899          * Only do the ID check and reuse check if the target is not from a
 900          * RAID Component. For Physical Disks of a Volume, the ID will be reused
 901          * when a volume is deleted because the mapping entry for the PD will
 902          * still be in the mapping table. The ID check should not be done here
 903          * either since this PD is already being used.
 904          */
 905         targ = &sassc->targets[id];
 906         if (!(targ->flags & MPR_TARGET_FLAGS_RAID_COMPONENT)) {
 907                 if (mprsas_check_id(sassc, id) != 0) {
 908                         device_printf(sc->mpr_dev, "Excluding target id %d\n",
 909                             id);
 910                         error = ENXIO;
 911                         goto out;
 912                 }
 913
 914                 if (targ->handle != 0x0) {
 915                         mpr_dprint(sc, MPR_MAPPING, "Attempting to reuse "
 916                             "target id %d handle 0x%04x\n", id, targ->handle);
 917                         error = ENXIO;
 918                         goto out;
 919                 }
 920         }
 921
 922         mpr_dprint(sc, MPR_MAPPING, "SAS Address from SAS device page0 = %jx\n",
 923             sas_address);
 924         targ->devinfo = device_info;
 925         targ->devname = le32toh(config_page.DeviceName.High);
 926         targ->devname = (targ->devname << 32) |
 927             le32toh(config_page.DeviceName.Low);
 928         targ->encl_handle = le16toh(config_page.EnclosureHandle);
 929         targ->encl_slot = le16toh(config_page.Slot);
 930         targ->encl_level = config_page.EnclosureLevel;
 931         targ->connector_name[0] = config_page.ConnectorName[0];
 932         targ->connector_name[1] = config_page.ConnectorName[1];
 933         targ->connector_name[2] = config_page.ConnectorName[2];
 934         targ->connector_name[3] = config_page.ConnectorName[3];
 935         targ->handle = handle;
 936         targ->parent_handle = le16toh(config_page.ParentDevHandle);
 937         targ->sasaddr = mpr_to_u64(&config_page.SASAddress);
 938         targ->parent_sasaddr = le64toh(parent_sas_address);
 939         targ->parent_devinfo = parent_devinfo;
 940         targ->tid = id;
 941         targ->linkrate = (linkrate>>4);
 942         targ->flags = 0;
 943         if (is_SATA_SSD) {
 944                 targ->flags = MPR_TARGET_IS_SATA_SSD;
 945         }
 946         if ((le16toh(config_page.Flags) &
 947             MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH) &&
 948             (le16toh(config_page.Flags) &
 949             MPI25_SAS_DEVICE0_FLAGS_FAST_PATH_CAPABLE)) {
 950                 targ->scsi_req_desc_type =
 951                     MPI25_REQ_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO;
 952         }
 953         if (le16toh(config_page.Flags) &
 954             MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) {
 955                 targ->encl_level_valid = TRUE;
 956         }
 957         TAILQ_INIT(&targ->commands);
 958         TAILQ_INIT(&targ->timedout_commands);
 959         while (!SLIST_EMPTY(&targ->luns)) {
 960                 lun = SLIST_FIRST(&targ->luns);
 961                 SLIST_REMOVE_HEAD(&targ->luns, lun_link);
 962                 free(lun, M_MPR);
 963         }
 964         SLIST_INIT(&targ->luns);
 965
 966         mpr_describe_devinfo(targ->devinfo, devstring, 80);
 967         mpr_dprint(sc, (MPR_INFO|MPR_MAPPING), "Found device <%s> <%s> "
 968             "handle<0x%04x> enclosureHandle<0x%04x> slot %d\n", devstring,
 969             mpr_describe_table(mpr_linkrate_names, targ->linkrate),
 970             targ->handle, targ->encl_handle, targ->encl_slot);
 971         if (targ->encl_level_valid) {
 972                 mpr_dprint(sc, (MPR_INFO|MPR_MAPPING), "At enclosure level %d "
 973                     "and connector name (%4s)\n", targ->encl_level,
 974                     targ->connector_name);
 975         }
 976 #if ((__FreeBSD_version >= 1000000) && (__FreeBSD_version < 1000039)) || \
 977     (__FreeBSD_version < 902502)
 978         if ((sassc->flags & MPRSAS_IN_STARTUP) == 0)
 979 #endif
 980                 mprsas_rescan_target(sc, targ);
 981         mpr_dprint(sc, MPR_MAPPING, "Target id 0x%x added\n", targ->tid);
 982
 983         /*
 984          * Check all commands to see if the SATA_ID_TIMEOUT flag has been set.
 985          * If so, send a Target Reset TM to the target that was just created.
 986          * An Abort Task TM should be used instead of a Target Reset, but that
 987          * would be much more difficult because targets have not been fully
 988          * discovered yet, and LUN's haven't been setup.  So, just reset the
 989          * target instead of the LUN.
 990          */
 991         for (i = 1; i < sc->num_reqs; i++) {
 992                 cm = &sc->commands[i];
 993                 if (cm->cm_flags & MPR_CM_FLAGS_SATA_ID_TIMEOUT) {
 994                         targ->timeouts++;
 995                         cm->cm_state = MPR_CM_STATE_TIMEDOUT;
 996
 997                         if ((targ->tm = mprsas_alloc_tm(sc)) != NULL) {
 998                                 mpr_dprint(sc, MPR_INFO, "%s: sending Target "
 999                                     "Reset for stuck SATA identify command "
1000                                     "(cm = %p)\n", __func__, cm);
1001                                 targ->tm->cm_targ = targ;
1002                                 mprsas_send_reset(sc, targ->tm,
1003                                     MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET);
1004                         } else {
1005                                 mpr_dprint(sc, MPR_ERROR, "Failed to allocate "
1006                                     "tm for Target Reset after SATA ID command "
1007                                     "timed out (cm %p)\n", cm);
1008                         }
1009                         /*
1010                          * No need to check for more since the target is
1011                          * already being reset.
1012                          */
1013                         break;
1014                 }
1015         }
1016 out:
1017         /*
1018          * Free the commands that may not have been freed from the SATA ID call
1019          */
1020         for (i = 1; i < sc->num_reqs; i++) {
1021                 cm = &sc->commands[i];
1022                 if (cm->cm_flags & MPR_CM_FLAGS_SATA_ID_TIMEOUT) {
1023                         mpr_free_command(sc, cm);
1024                 }
1025         }
1026         mprsas_startup_decrement(sassc);
1027         return (error);
1028 }
1029
1030 int
1031 mprsas_get_sas_address_for_sata_disk(struct mpr_softc *sc,
1032     u64 *sas_address, u16 handle, u32 device_info, u8 *is_SATA_SSD)
1033 {
1034         Mpi2SataPassthroughReply_t mpi_reply;
1035         int i, rc, try_count;
1036         u32 *bufferptr;
1037         union _sata_sas_address hash_address;
1038         struct _ata_identify_device_data ata_identify;
1039         u8 buffer[MPT2SAS_MN_LEN + MPT2SAS_SN_LEN];
1040         u32 ioc_status;
1041         u8 sas_status;
1042
1043         memset(&ata_identify, 0, sizeof(ata_identify));
1044         memset(&mpi_reply, 0, sizeof(mpi_reply));
1045         try_count = 0;
1046         do {
1047                 rc = mprsas_get_sata_identify(sc, handle, &mpi_reply,
1048                     (char *)&ata_identify, sizeof(ata_identify), device_info);
1049                 try_count++;
1050                 ioc_status = le16toh(mpi_reply.IOCStatus)
1051                     & MPI2_IOCSTATUS_MASK;
1052                 sas_status = mpi_reply.SASStatus;
1053                 switch (ioc_status) {
1054                 case MPI2_IOCSTATUS_SUCCESS:
1055                         break;
1056                 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
1057                         /* No sense sleeping.  this error won't get better */
1058                         break;
1059                 default:
1060                         if (sc->spinup_wait_time > 0) {
1061                                 mpr_dprint(sc, MPR_INFO, "Sleeping %d seconds "
1062                                     "after SATA ID error to wait for spinup\n",
1063                                     sc->spinup_wait_time);
1064                                 msleep(&sc->msleep_fake_chan, &sc->mpr_mtx, 0,
1065                                     "mprid", sc->spinup_wait_time * hz);
1066                         }
1067                 }
1068         } while (((rc && (rc != EWOULDBLOCK)) ||
1069             (ioc_status && (ioc_status != MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR))
1070             || sas_status) && (try_count < 5));
1071
1072         if (rc == 0 && !ioc_status && !sas_status) {
1073                 mpr_dprint(sc, MPR_MAPPING, "%s: got SATA identify "
1074                     "successfully for handle = 0x%x with try_count = %d\n",
1075                     __func__, handle, try_count);
1076         } else {
1077                 mpr_dprint(sc, MPR_MAPPING, "%s: handle = 0x%x failed\n",
1078                     __func__, handle);
1079                 return -1;
1080         }
1081         /* Copy & byteswap the 40 byte model number to a buffer */
1082         for (i = 0; i < MPT2SAS_MN_LEN; i += 2) {
1083                 buffer[i] = ((u8 *)ata_identify.model_number)[i + 1];
1084                 buffer[i + 1] = ((u8 *)ata_identify.model_number)[i];
1085         }
1086         /* Copy & byteswap the 20 byte serial number to a buffer */
1087         for (i = 0; i < MPT2SAS_SN_LEN; i += 2) {
1088                 buffer[MPT2SAS_MN_LEN + i] =
1089                     ((u8 *)ata_identify.serial_number)[i + 1];
1090                 buffer[MPT2SAS_MN_LEN + i + 1] =
1091                     ((u8 *)ata_identify.serial_number)[i];
1092         }
1093         bufferptr = (u32 *)buffer;
1094         /* There are 60 bytes to hash down to 8. 60 isn't divisible by 8,
1095          * so loop through the first 56 bytes (7*8),
1096          * and then add in the last dword.
1097          */
1098         hash_address.word.low  = 0;
1099         hash_address.word.high = 0;
1100         for (i = 0; (i < ((MPT2SAS_MN_LEN+MPT2SAS_SN_LEN)/8)); i++) {
1101                 hash_address.word.low += *bufferptr;
1102                 bufferptr++;
1103                 hash_address.word.high += *bufferptr;
1104                 bufferptr++;
1105         }
1106         /* Add the last dword */
1107         hash_address.word.low += *bufferptr;
1108         /* Make sure the hash doesn't start with 5, because it could clash
1109          * with a SAS address. Change 5 to a D.
1110          */
1111         if ((hash_address.word.high & 0x000000F0) == (0x00000050))
1112                 hash_address.word.high |= 0x00000080;
1113         *sas_address = (u64)hash_address.wwid[0] << 56 |
1114             (u64)hash_address.wwid[1] << 48 | (u64)hash_address.wwid[2] << 40 |
1115             (u64)hash_address.wwid[3] << 32 | (u64)hash_address.wwid[4] << 24 |
1116             (u64)hash_address.wwid[5] << 16 | (u64)hash_address.wwid[6] <<  8 |
1117             (u64)hash_address.wwid[7];
1118         if (ata_identify.rotational_speed == 1) {
1119                 *is_SATA_SSD = 1;
1120         }
1121
1122         return 0;
1123 }
1124
1125 static int
1126 mprsas_get_sata_identify(struct mpr_softc *sc, u16 handle,
1127     Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz, u32 devinfo)
1128 {
1129         Mpi2SataPassthroughRequest_t *mpi_request;
1130         Mpi2SataPassthroughReply_t *reply;
1131         struct mpr_command *cm;
1132         char *buffer;
1133         int error = 0;
1134
1135         buffer = malloc( sz, M_MPR, M_NOWAIT | M_ZERO);
1136         if (!buffer)
1137                 return ENOMEM;
1138
1139         if ((cm = mpr_alloc_command(sc)) == NULL) {
1140                 free(buffer, M_MPR);
1141                 return (EBUSY);
1142         }
1143         mpi_request = (MPI2_SATA_PASSTHROUGH_REQUEST *)cm->cm_req;
1144         bzero(mpi_request,sizeof(MPI2_SATA_PASSTHROUGH_REQUEST));
1145         mpi_request->Function = MPI2_FUNCTION_SATA_PASSTHROUGH;
1146         mpi_request->VF_ID = 0;
1147         mpi_request->DevHandle = htole16(handle);
1148         mpi_request->PassthroughFlags = (MPI2_SATA_PT_REQ_PT_FLAGS_PIO |
1149             MPI2_SATA_PT_REQ_PT_FLAGS_READ);
1150         mpi_request->DataLength = htole32(sz);
1151         mpi_request->CommandFIS[0] = 0x27;
1152         mpi_request->CommandFIS[1] = 0x80;
1153         mpi_request->CommandFIS[2] =  (devinfo &
1154             MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? 0xA1 : 0xEC;
1155         cm->cm_sge = &mpi_request->SGL;
1156         cm->cm_sglsize = sizeof(MPI2_SGE_IO_UNION);
1157         cm->cm_flags = MPR_CM_FLAGS_DATAIN;
1158         cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
1159         cm->cm_data = buffer;
1160         cm->cm_length = htole32(sz);
1161
1162         /*
1163          * Start a timeout counter specifically for the SATA ID command. This
1164          * is used to fix a problem where the FW does not send a reply sometimes
1165          * when a bad disk is in the topology. So, this is used to timeout the
1166          * command so that processing can continue normally.
1167          */
1168         mpr_dprint(sc, MPR_XINFO, "%s start timeout counter for SATA ID "
1169             "command\n", __func__);
1170         callout_reset(&cm->cm_callout, MPR_ATA_ID_TIMEOUT * hz,
1171             mprsas_ata_id_timeout, cm);
1172         error = mpr_wait_command(sc, &cm, 60, CAN_SLEEP);
1173         mpr_dprint(sc, MPR_XINFO, "%s stop timeout counter for SATA ID "
1174             "command\n", __func__);
1175         /* XXX KDM need to fix the case where this command is destroyed */
1176         callout_stop(&cm->cm_callout);
1177
1178         if (cm != NULL)
1179                 reply = (Mpi2SataPassthroughReply_t *)cm->cm_reply;
1180         if (error || (reply == NULL)) {
1181                 /* FIXME */
1182                 /*
1183                  * If the request returns an error then we need to do a diag
1184                  * reset
1185                  */
1186                 printf("%s: request for page completed with error %d",
1187                     __func__, error);
1188                 error = ENXIO;
1189                 goto out;
1190         }
1191         bcopy(buffer, id_buffer, sz);
1192         bcopy(reply, mpi_reply, sizeof(Mpi2SataPassthroughReply_t));
1193         if ((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) !=
1194             MPI2_IOCSTATUS_SUCCESS) {
1195                 printf("%s: error reading SATA PASSTHRU; iocstatus = 0x%x\n",
1196                     __func__, reply->IOCStatus);
1197                 error = ENXIO;
1198                 goto out;
1199         }
1200 out:
1201         /*
1202          * If the SATA_ID_TIMEOUT flag has been set for this command, don't free
1203          * it.  The command will be freed after sending a target reset TM. If
1204          * the command did timeout, use EWOULDBLOCK.
1205          */
1206         if ((cm->cm_flags & MPR_CM_FLAGS_SATA_ID_TIMEOUT) == 0)
1207                 mpr_free_command(sc, cm);
1208         else if (error == 0)
1209                 error = EWOULDBLOCK;
1210         cm->cm_data = NULL;
1211         free(buffer, M_MPR);
1212         return (error);
1213 }
1214
1215 static void
1216 mprsas_ata_id_timeout(void *data)
1217 {
1218         struct mpr_softc *sc;
1219         struct mpr_command *cm;
1220
1221         cm = (struct mpr_command *)data;
1222         sc = cm->cm_sc;
1223         mtx_assert(&sc->mpr_mtx, MA_OWNED);
1224
1225         mpr_dprint(sc, MPR_INFO, "%s checking ATA ID command %p sc %p\n",
1226             __func__, cm, sc);
1227         if ((callout_pending(&cm->cm_callout)) ||
1228             (!callout_active(&cm->cm_callout))) {
1229                 mpr_dprint(sc, MPR_INFO, "%s ATA ID command almost timed out\n",
1230                     __func__);
1231                 return;
1232         }
1233         callout_deactivate(&cm->cm_callout);
1234
1235         /*
1236          * Run the interrupt handler to make sure it's not pending.  This
1237          * isn't perfect because the command could have already completed
1238          * and been re-used, though this is unlikely.
1239          */
1240         mpr_intr_locked(sc);
1241         if (cm->cm_state == MPR_CM_STATE_FREE) {
1242                 mpr_dprint(sc, MPR_INFO, "%s ATA ID command almost timed out\n",
1243                     __func__);
1244                 return;
1245         }
1246
1247         mpr_dprint(sc, MPR_INFO, "ATA ID command timeout cm %p\n", cm);
1248
1249         /*
1250          * Send wakeup() to the sleeping thread that issued this ATA ID command.
1251          * wakeup() will cause msleep to return a 0 (not EWOULDBLOCK), and this
1252          * will keep reinit() from being called. This way, an Abort Task TM can
1253          * be issued so that the timed out command can be cleared. The Abort
1254          * Task cannot be sent from here because the driver has not completed
1255          * setting up targets.  Instead, the command is flagged so that special
1256          * handling will be used to send the abort.
1257          */
1258         cm->cm_flags |= MPR_CM_FLAGS_SATA_ID_TIMEOUT;
1259         wakeup(cm);
1260 }
1261
1262 static int
1263 mprsas_add_pcie_device(struct mpr_softc *sc, u16 handle, u8 linkrate)
1264 {
1265         char devstring[80];
1266         struct mprsas_softc *sassc;
1267         struct mprsas_target *targ;
1268         Mpi2ConfigReply_t mpi_reply;
1269         Mpi26PCIeDevicePage0_t config_page;
1270         Mpi26PCIeDevicePage2_t config_page2;
1271         uint64_t pcie_wwid, parent_wwid = 0;
1272         u32 device_info, parent_devinfo = 0;
1273         unsigned int id;
1274         int error = 0;
1275         struct mprsas_lun *lun;
1276
1277         sassc = sc->sassc;
1278         mprsas_startup_increment(sassc);
1279         if ((mpr_config_get_pcie_device_pg0(sc, &mpi_reply, &config_page,
1280              MPI26_PCIE_DEVICE_PGAD_FORM_HANDLE, handle))) {
1281                 printf("%s: error reading PCIe device page0\n", __func__);
1282                 error = ENXIO;
1283                 goto out;
1284         }
1285
1286         device_info = le32toh(config_page.DeviceInfo);
1287
1288         if (((device_info & MPI26_PCIE_DEVINFO_PCI_SWITCH) == 0)
1289             && (le16toh(config_page.ParentDevHandle) != 0)) {
1290                 Mpi2ConfigReply_t tmp_mpi_reply;
1291                 Mpi26PCIeDevicePage0_t parent_config_page;
1292
1293                 if ((mpr_config_get_pcie_device_pg0(sc, &tmp_mpi_reply,
1294                      &parent_config_page, MPI26_PCIE_DEVICE_PGAD_FORM_HANDLE,
1295                      le16toh(config_page.ParentDevHandle)))) {
1296                         printf("%s: error reading PCIe device %#x page0\n",
1297                             __func__, le16toh(config_page.ParentDevHandle));
1298                 } else {
1299                         parent_wwid = parent_config_page.WWID.High;
1300                         parent_wwid = (parent_wwid << 32) |
1301                             parent_config_page.WWID.Low;
1302                         parent_devinfo = le32toh(parent_config_page.DeviceInfo);
1303                 }
1304         }
1305         /* TODO Check proper endianness */
1306         pcie_wwid = config_page.WWID.High;
1307         pcie_wwid = (pcie_wwid << 32) | config_page.WWID.Low;
1308         mpr_dprint(sc, MPR_INFO, "PCIe WWID from PCIe device page0 = %jx\n",
1309             pcie_wwid);
1310
1311         if ((mpr_config_get_pcie_device_pg2(sc, &mpi_reply, &config_page2,
1312              MPI26_PCIE_DEVICE_PGAD_FORM_HANDLE, handle))) {
1313                 printf("%s: error reading PCIe device page2\n", __func__);
1314                 error = ENXIO;
1315                 goto out;
1316         }
1317
1318         id = mpr_mapping_get_tid(sc, pcie_wwid, handle);
1319         if (id == MPR_MAP_BAD_ID) {
1320                 mpr_dprint(sc, MPR_ERROR | MPR_INFO, "failure at %s:%d/%s()! "
1321                     "Could not get ID for device with handle 0x%04x\n",
1322                     __FILE__, __LINE__, __func__, handle);
1323                 error = ENXIO;
1324                 goto out;
1325         }
1326         mpr_dprint(sc, MPR_MAPPING, "%s: Target ID for added device is %d.\n",
1327             __func__, id);
1328
1329         if (mprsas_check_id(sassc, id) != 0) {
1330                 device_printf(sc->mpr_dev, "Excluding target id %d\n", id);
1331                 error = ENXIO;
1332                 goto out;
1333         }
1334
1335         mpr_dprint(sc, MPR_MAPPING, "WWID from PCIe device page0 = %jx\n",
1336             pcie_wwid);
1337         targ = &sassc->targets[id];
1338         targ->devinfo = device_info;
1339         targ->encl_handle = le16toh(config_page.EnclosureHandle);
1340         targ->encl_slot = le16toh(config_page.Slot);
1341         targ->encl_level = config_page.EnclosureLevel;
1342         targ->connector_name[0] = ((char *)&config_page.ConnectorName)[0];
1343         targ->connector_name[1] = ((char *)&config_page.ConnectorName)[1];
1344         targ->connector_name[2] = ((char *)&config_page.ConnectorName)[2];
1345         targ->connector_name[3] = ((char *)&config_page.ConnectorName)[3];
1346         targ->is_nvme = device_info & MPI26_PCIE_DEVINFO_NVME;
1347         targ->MDTS = config_page2.MaximumDataTransferSize;
1348         /*
1349          * Assume always TRUE for encl_level_valid because there is no valid
1350          * flag for PCIe.
1351          */
1352         targ->encl_level_valid = TRUE;
1353         targ->handle = handle;
1354         targ->parent_handle = le16toh(config_page.ParentDevHandle);
1355         targ->sasaddr = mpr_to_u64(&config_page.WWID);
1356         targ->parent_sasaddr = le64toh(parent_wwid);
1357         targ->parent_devinfo = parent_devinfo;
1358         targ->tid = id;
1359         targ->linkrate = linkrate;
1360         targ->flags = 0;
1361         if ((le16toh(config_page.Flags) &
1362             MPI26_PCIEDEV0_FLAGS_ENABLED_FAST_PATH) &&
1363             (le16toh(config_page.Flags) &
1364             MPI26_PCIEDEV0_FLAGS_FAST_PATH_CAPABLE)) {
1365                 targ->scsi_req_desc_type =
1366                     MPI25_REQ_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO;
1367         }
1368         TAILQ_INIT(&targ->commands);
1369         TAILQ_INIT(&targ->timedout_commands);
1370         while (!SLIST_EMPTY(&targ->luns)) {
1371                 lun = SLIST_FIRST(&targ->luns);
1372                 SLIST_REMOVE_HEAD(&targ->luns, lun_link);
1373                 free(lun, M_MPR);
1374         }
1375         SLIST_INIT(&targ->luns);
1376
1377         mpr_describe_devinfo(targ->devinfo, devstring, 80);
1378         mpr_dprint(sc, (MPR_INFO|MPR_MAPPING), "Found PCIe device <%s> <%s> "
1379             "handle<0x%04x> enclosureHandle<0x%04x> slot %d\n", devstring,
1380             mpr_describe_table(mpr_pcie_linkrate_names, targ->linkrate),
1381             targ->handle, targ->encl_handle, targ->encl_slot);
1382         if (targ->encl_level_valid) {
1383                 mpr_dprint(sc, (MPR_INFO|MPR_MAPPING), "At enclosure level %d "
1384                     "and connector name (%4s)\n", targ->encl_level,
1385                     targ->connector_name);
1386         }
1387 #if ((__FreeBSD_version >= 1000000) && (__FreeBSD_version < 1000039)) || \
1388     (__FreeBSD_version < 902502)
1389         if ((sassc->flags & MPRSAS_IN_STARTUP) == 0)
1390 #endif
1391                 mprsas_rescan_target(sc, targ);
1392         mpr_dprint(sc, MPR_MAPPING, "Target id 0x%x added\n", targ->tid);
1393
1394 out:
1395         mprsas_startup_decrement(sassc);
1396         return (error);
1397 }
1398
1399 static int
1400 mprsas_volume_add(struct mpr_softc *sc, u16 handle)
1401 {
1402         struct mprsas_softc *sassc;
1403         struct mprsas_target *targ;
1404         u64 wwid;
1405         unsigned int id;
1406         int error = 0;
1407         struct mprsas_lun *lun;
1408
1409         sassc = sc->sassc;
1410         mprsas_startup_increment(sassc);
1411         /* wwid is endian safe */
1412         mpr_config_get_volume_wwid(sc, handle, &wwid);
1413         if (!wwid) {
1414                 printf("%s: invalid WWID; cannot add volume to mapping table\n",
1415                     __func__);
1416                 error = ENXIO;
1417                 goto out;
1418         }
1419
1420         id = mpr_mapping_get_raid_tid(sc, wwid, handle);
1421         if (id == MPR_MAP_BAD_ID) {
1422                 printf("%s: could not get ID for volume with handle 0x%04x and "
1423                     "WWID 0x%016llx\n", __func__, handle,
1424                     (unsigned long long)wwid);
1425                 error = ENXIO;
1426                 goto out;
1427         }
1428
1429         targ = &sassc->targets[id];
1430         targ->tid = id;
1431         targ->handle = handle;
1432         targ->devname = wwid;
1433         TAILQ_INIT(&targ->commands);
1434         TAILQ_INIT(&targ->timedout_commands);
1435         while (!SLIST_EMPTY(&targ->luns)) {
1436                 lun = SLIST_FIRST(&targ->luns);
1437                 SLIST_REMOVE_HEAD(&targ->luns, lun_link);
1438                 free(lun, M_MPR);
1439         }
1440         SLIST_INIT(&targ->luns);
1441 #if ((__FreeBSD_version >= 1000000) && (__FreeBSD_version < 1000039)) || \
1442     (__FreeBSD_version < 902502)
1443         if ((sassc->flags & MPRSAS_IN_STARTUP) == 0)
1444 #endif
1445                 mprsas_rescan_target(sc, targ);
1446         mpr_dprint(sc, MPR_MAPPING, "RAID target id %d added (WWID = 0x%jx)\n",
1447             targ->tid, wwid);
1448 out:
1449         mprsas_startup_decrement(sassc);
1450         return (error);
1451 }
1452
1453 /**
1454  * mprsas_SSU_to_SATA_devices
1455  * @sc: per adapter object
1456  *
1457  * Looks through the target list and issues a StartStopUnit SCSI command to each
1458  * SATA direct-access device.  This helps to ensure that data corruption is
1459  * avoided when the system is being shut down.  This must be called after the IR
1460  * System Shutdown RAID Action is sent if in IR mode.
1461  *
1462  * Return nothing.
1463  */
1464 static void
1465 mprsas_SSU_to_SATA_devices(struct mpr_softc *sc)
1466 {
1467         struct mprsas_softc *sassc = sc->sassc;
1468         union ccb *ccb;
1469         path_id_t pathid = cam_sim_path(sassc->sim);
1470         target_id_t targetid;
1471         struct mprsas_target *target;
1472         char path_str[64];
1473         struct timeval cur_time, start_time;
1474
1475         mpr_lock(sc);
1476
1477         /*
1478          * For each target, issue a StartStopUnit command to stop the device.
1479          */
1480         sc->SSU_started = TRUE;
1481         sc->SSU_refcount = 0;
1482         for (targetid = 0; targetid < sc->max_devices; targetid++) {
1483                 target = &sassc->targets[targetid];
1484                 if (target->handle == 0x0) {
1485                         continue;
1486                 }
1487
1488                 /*
1489                  * The stop_at_shutdown flag will be set if this device is
1490                  * a SATA direct-access end device.
1491                  */
1492                 if (target->stop_at_shutdown) {
1493                         ccb = xpt_alloc_ccb_nowait();
1494                         if (ccb == NULL) {
1495                                 mpr_dprint(sc, MPR_FAULT, "Unable to alloc CCB "
1496                                     "to stop unit.\n");
1497                                 return;
1498                         }
1499
1500                         if (xpt_create_path(&ccb->ccb_h.path, xpt_periph,
1501                             pathid, targetid, CAM_LUN_WILDCARD) !=
1502                             CAM_REQ_CMP) {
1503                                 mpr_dprint(sc, MPR_ERROR, "Unable to create "
1504                                     "path to stop unit.\n");
1505                                 xpt_free_ccb(ccb);
1506                                 return;
1507                         }
1508                         xpt_path_string(ccb->ccb_h.path, path_str,
1509                             sizeof(path_str));
1510
1511                         mpr_dprint(sc, MPR_INFO, "Sending StopUnit: path %s "
1512                             "handle %d\n", path_str, target->handle);
1513
1514                         /*
1515                          * Issue a START STOP UNIT command for the target.
1516                          * Increment the SSU counter to be used to count the
1517                          * number of required replies.
1518                          */
1519                         mpr_dprint(sc, MPR_INFO, "Incrementing SSU count\n");
1520                         sc->SSU_refcount++;
1521                         ccb->ccb_h.target_id =
1522                             xpt_path_target_id(ccb->ccb_h.path);
1523                         ccb->ccb_h.ppriv_ptr1 = sassc;
1524                         scsi_start_stop(&ccb->csio,
1525                             /*retries*/0,
1526                             mprsas_stop_unit_done,
1527                             MSG_SIMPLE_Q_TAG,
1528                             /*start*/FALSE,
1529                             /*load/eject*/0,
1530                             /*immediate*/FALSE,
1531                             MPR_SENSE_LEN,
1532                             /*timeout*/10000);
1533                         xpt_action(ccb);
1534                 }
1535         }
1536
1537         mpr_unlock(sc);
1538
1539         /*
1540          * Wait until all of the SSU commands have completed or time has
1541          * expired (60 seconds).  Pause for 100ms each time through.  If any
1542          * command times out, the target will be reset in the SCSI command
1543          * timeout routine.
1544          */
1545         getmicrotime(&start_time);
1546         while (sc->SSU_refcount) {
1547                 pause("mprwait", hz/10);
1548
1549                 getmicrotime(&cur_time);
1550                 if ((cur_time.tv_sec - start_time.tv_sec) > 60) {
1551                         mpr_dprint(sc, MPR_ERROR, "Time has expired waiting "
1552                             "for SSU commands to complete.\n");
1553                         break;
1554                 }
1555         }
1556 }
1557
1558 static void
1559 mprsas_stop_unit_done(struct cam_periph *periph, union ccb *done_ccb)
1560 {
1561         struct mprsas_softc *sassc;
1562         char path_str[64];
1563
1564         if (done_ccb == NULL)
1565                 return;
1566
1567         sassc = (struct mprsas_softc *)done_ccb->ccb_h.ppriv_ptr1;
1568
1569         xpt_path_string(done_ccb->ccb_h.path, path_str, sizeof(path_str));
1570         mpr_dprint(sassc->sc, MPR_INFO, "Completing stop unit for %s\n",
1571             path_str);
1572
1573         /*
1574          * Nothing more to do except free the CCB and path.  If the command
1575          * timed out, an abort reset, then target reset will be issued during
1576          * the SCSI Command process.
1577          */
1578         xpt_free_path(done_ccb->ccb_h.path);
1579         xpt_free_ccb(done_ccb);
1580 }
1581
1582 /**
1583  * mprsas_ir_shutdown - IR shutdown notification
1584  * @sc: per adapter object
1585  *
1586  * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that
1587  * the host system is shutting down.
1588  *
1589  * Return nothing.
1590  */
1591 void
1592 mprsas_ir_shutdown(struct mpr_softc *sc)
1593 {
1594         u16 volume_mapping_flags;
1595         u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1596         struct dev_mapping_table *mt_entry;
1597         u32 start_idx, end_idx;
1598         unsigned int id, found_volume = 0;
1599         struct mpr_command *cm;
1600         Mpi2RaidActionRequest_t *action;
1601         target_id_t targetid;
1602         struct mprsas_target *target;
1603
1604         mpr_dprint(sc, MPR_TRACE, "%s\n", __func__);
1605
1606         /* is IR firmware build loaded? */
1607         if (!sc->ir_firmware)
1608                 goto out;
1609
1610         /* are there any volumes?  Look at IR target IDs. */
1611         // TODO-later, this should be looked up in the RAID config structure
1612         // when it is implemented.
1613         volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) &
1614             MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
1615         if (volume_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) {
1616                 start_idx = 0;
1617                 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0)
1618                         start_idx = 1;
1619         } else
1620                 start_idx = sc->max_devices - sc->max_volumes;
1621         end_idx = start_idx + sc->max_volumes - 1;
1622
1623         for (id = start_idx; id < end_idx; id++) {
1624                 mt_entry = &sc->mapping_table[id];
1625                 if ((mt_entry->physical_id != 0) &&
1626                     (mt_entry->missing_count == 0)) {
1627                         found_volume = 1;
1628                         break;
1629                 }
1630         }
1631
1632         if (!found_volume)
1633                 goto out;
1634
1635         if ((cm = mpr_alloc_command(sc)) == NULL) {
1636                 printf("%s: command alloc failed\n", __func__);
1637                 goto out;
1638         }
1639
1640         action = (MPI2_RAID_ACTION_REQUEST *)cm->cm_req;
1641         action->Function = MPI2_FUNCTION_RAID_ACTION;
1642         action->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED;
1643         cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
1644         mpr_lock(sc);
1645         mpr_wait_command(sc, &cm, 5, CAN_SLEEP);
1646         mpr_unlock(sc);
1647
1648         /*
1649          * Don't check for reply, just leave.
1650          */
1651         if (cm)
1652                 mpr_free_command(sc, cm);
1653
1654 out:
1655         /*
1656          * All of the targets must have the correct value set for
1657          * 'stop_at_shutdown' for the current 'enable_ssu' sysctl variable.
1658          *
1659          * The possible values for the 'enable_ssu' variable are:
1660          * 0: disable to SSD and HDD
1661          * 1: disable only to HDD (default)
1662          * 2: disable only to SSD
1663          * 3: enable to SSD and HDD
1664          * anything else will default to 1.
1665          */
1666         for (targetid = 0; targetid < sc->max_devices; targetid++) {
1667                 target = &sc->sassc->targets[targetid];
1668                 if (target->handle == 0x0) {
1669                         continue;
1670                 }
1671
1672                 if (target->supports_SSU) {
1673                         switch (sc->enable_ssu) {
1674                         case MPR_SSU_DISABLE_SSD_DISABLE_HDD:
1675                                 target->stop_at_shutdown = FALSE;
1676                                 break;
1677                         case MPR_SSU_DISABLE_SSD_ENABLE_HDD:
1678                                 target->stop_at_shutdown = TRUE;
1679                                 if (target->flags & MPR_TARGET_IS_SATA_SSD) {
1680                                         target->stop_at_shutdown = FALSE;
1681                                 }
1682                                 break;
1683                         case MPR_SSU_ENABLE_SSD_ENABLE_HDD:
1684                                 target->stop_at_shutdown = TRUE;
1685                                 break;
1686                         case MPR_SSU_ENABLE_SSD_DISABLE_HDD:
1687                         default:
1688                                 target->stop_at_shutdown = TRUE;
1689                                 if ((target->flags &
1690                                     MPR_TARGET_IS_SATA_SSD) == 0) {
1691                                         target->stop_at_shutdown = FALSE;
1692                                 }
1693                                 break;
1694                         }
1695                 }
1696         }
1697         mprsas_SSU_to_SATA_devices(sc);
1698 }