sys/dev/mpr/mpr_sas_lsi.c

   1 /*-
   2  * Copyright (c) 2011-2015 LSI Corp.
   3  * Copyright (c) 2013-2016 Avago Technologies
   4  * Copyright 2000-2020 Broadcom Inc.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26  * SUCH DAMAGE.
  27  *
  28  * Broadcom Inc. (LSI) MPT-Fusion Host Adapter FreeBSD
  29  */
  30
  31 #include <sys/cdefs.h>
  32 __FBSDID("$FreeBSD$");
  33
  34 /* Communications core for Avago Technologies (LSI) MPT3 */
  35
  36 /* TODO Move headers to mprvar */
  37 #include <sys/types.h>
  38 #include <sys/param.h>
  39 #include <sys/systm.h>
  40 #include <sys/kernel.h>
  41 #include <sys/selinfo.h>
  42 #include <sys/module.h>
  43 #include <sys/bus.h>
  44 #include <sys/conf.h>
  45 #include <sys/bio.h>
  46 #include <sys/malloc.h>
  47 #include <sys/uio.h>
  48 #include <sys/sysctl.h>
  49 #include <sys/endian.h>
  50 #include <sys/proc.h>
  51 #include <sys/queue.h>
  52 #include <sys/kthread.h>
  53 #include <sys/taskqueue.h>
  54 #include <sys/sbuf.h>
  55 #include <sys/reboot.h>
  56
  57 #include <machine/bus.h>
  58 #include <machine/resource.h>
  59 #include <sys/rman.h>
  60
  61 #include <machine/stdarg.h>
  62
  63 #include <cam/cam.h>
  64 #include <cam/cam_ccb.h>
  65 #include <cam/cam_debug.h>
  66 #include <cam/cam_sim.h>
  67 #include <cam/cam_xpt_sim.h>
  68 #include <cam/cam_xpt_periph.h>
  69 #include <cam/cam_periph.h>
  70 #include <cam/scsi/scsi_all.h>
  71 #include <cam/scsi/scsi_message.h>
  72
  73 #include <dev/mpr/mpi/mpi2_type.h>
  74 #include <dev/mpr/mpi/mpi2.h>
  75 #include <dev/mpr/mpi/mpi2_ioc.h>
  76 #include <dev/mpr/mpi/mpi2_sas.h>
  77 #include <dev/mpr/mpi/mpi2_pci.h>
  78 #include <dev/mpr/mpi/mpi2_cnfg.h>
  79 #include <dev/mpr/mpi/mpi2_init.h>
  80 #include <dev/mpr/mpi/mpi2_raid.h>
  81 #include <dev/mpr/mpi/mpi2_tool.h>
  82 #include <dev/mpr/mpr_ioctl.h>
  83 #include <dev/mpr/mprvar.h>
  84 #include <dev/mpr/mpr_table.h>
  85 #include <dev/mpr/mpr_sas.h>
  86
  87 /* For Hashed SAS Address creation for SATA Drives */
  88 #define MPT2SAS_SN_LEN 20
  89 #define MPT2SAS_MN_LEN 40
  90
  91 struct mpr_fw_event_work {
  92         u16                     event;
  93         void                    *event_data;
  94         TAILQ_ENTRY(mpr_fw_event_work)  ev_link;
  95 };
  96
  97 union _sata_sas_address {
  98         u8 wwid[8];
  99         struct {
 100                 u32 high;
 101                 u32 low;
 102         } word;
 103 };
 104
 105 /*
 106  * define the IDENTIFY DEVICE structure
 107  */
 108 struct _ata_identify_device_data {
 109         u16 reserved1[10];      /* 0-9 */
 110         u16 serial_number[10];  /* 10-19 */
 111         u16 reserved2[7];       /* 20-26 */
 112         u16 model_number[20];   /* 27-46*/
 113         u16 reserved3[170];     /* 47-216 */
 114         u16 rotational_speed;   /* 217 */
 115         u16 reserved4[38];      /* 218-255 */
 116 };
 117 static u32 event_count;
 118 static void mprsas_fw_work(struct mpr_softc *sc,
 119     struct mpr_fw_event_work *fw_event);
 120 static void mprsas_fw_event_free(struct mpr_softc *,
 121     struct mpr_fw_event_work *);
 122 static int mprsas_add_device(struct mpr_softc *sc, u16 handle, u8 linkrate);
 123 static int mprsas_add_pcie_device(struct mpr_softc *sc, u16 handle,
 124     u8 linkrate);
 125 static int mprsas_get_sata_identify(struct mpr_softc *sc, u16 handle,
 126     Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz,
 127     u32 devinfo);
 128 static void mprsas_ata_id_timeout(struct mpr_softc *, struct mpr_command *);
 129 int mprsas_get_sas_address_for_sata_disk(struct mpr_softc *sc,
 130     u64 *sas_address, u16 handle, u32 device_info, u8 *is_SATA_SSD);
 131 static int mprsas_volume_add(struct mpr_softc *sc,
 132     u16 handle);
 133 static void mprsas_SSU_to_SATA_devices(struct mpr_softc *sc, int howto);
 134 static void mprsas_stop_unit_done(struct cam_periph *periph,
 135     union ccb *done_ccb);
 136
 137 void
 138 mprsas_evt_handler(struct mpr_softc *sc, uintptr_t data,
 139     MPI2_EVENT_NOTIFICATION_REPLY *event)
 140 {
 141         struct mpr_fw_event_work *fw_event;
 142         u16 sz;
 143
 144         mpr_dprint(sc, MPR_TRACE, "%s\n", __func__);
 145         MPR_DPRINT_EVENT(sc, sas, event);
 146         mprsas_record_event(sc, event);
 147
 148         fw_event = malloc(sizeof(struct mpr_fw_event_work), M_MPR,
 149              M_ZERO|M_NOWAIT);
 150         if (!fw_event) {
 151                 printf("%s: allocate failed for fw_event\n", __func__);
 152                 return;
 153         }
 154         sz = le16toh(event->EventDataLength) * 4;
 155         fw_event->event_data = malloc(sz, M_MPR, M_ZERO|M_NOWAIT);
 156         if (!fw_event->event_data) {
 157                 printf("%s: allocate failed for event_data\n", __func__);
 158                 free(fw_event, M_MPR);
 159                 return;
 160         }
 161
 162         bcopy(event->EventData, fw_event->event_data, sz);
 163         fw_event->event = event->Event;
 164         if ((event->Event == MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST ||
 165             event->Event == MPI2_EVENT_PCIE_TOPOLOGY_CHANGE_LIST ||
 166             event->Event == MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE ||
 167             event->Event == MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST) &&
 168             sc->track_mapping_events)
 169                 sc->pending_map_events++;
 170
 171         /*
 172          * When wait_for_port_enable flag is set, make sure that all the events
 173          * are processed. Increment the startup_refcount and decrement it after
 174          * events are processed.
 175          */
 176         if ((event->Event == MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST ||
 177             event->Event == MPI2_EVENT_PCIE_TOPOLOGY_CHANGE_LIST ||
 178             event->Event == MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST) &&
 179             sc->wait_for_port_enable)
 180                 mprsas_startup_increment(sc->sassc);
 181
 182         TAILQ_INSERT_TAIL(&sc->sassc->ev_queue, fw_event, ev_link);
 183         taskqueue_enqueue(sc->sassc->ev_tq, &sc->sassc->ev_task);
 184 }
 185
 186 static void
 187 mprsas_fw_event_free(struct mpr_softc *sc, struct mpr_fw_event_work *fw_event)
 188 {
 189
 190         free(fw_event->event_data, M_MPR);
 191         free(fw_event, M_MPR);
 192 }
 193
 194 /**
 195  * _mpr_fw_work - delayed task for processing firmware events
 196  * @sc: per adapter object
 197  * @fw_event: The fw_event_work object
 198  * Context: user.
 199  *
 200  * Return nothing.
 201  */
 202 static void
 203 mprsas_fw_work(struct mpr_softc *sc, struct mpr_fw_event_work *fw_event)
 204 {
 205         struct mprsas_softc *sassc;
 206         sassc = sc->sassc;
 207
 208         mpr_dprint(sc, MPR_EVENT, "(%d)->(%s) Working on  Event: [%x]\n",
 209             event_count++, __func__, fw_event->event);
 210         switch (fw_event->event) {
 211         case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
 212         {
 213                 MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST *data;
 214                 MPI2_EVENT_SAS_TOPO_PHY_ENTRY *phy;
 215                 uint8_t i;
 216
 217                 data = (MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST *)
 218                     fw_event->event_data;
 219
 220                 mpr_mapping_topology_change_event(sc, fw_event->event_data);
 221
 222                 for (i = 0; i < data->NumEntries; i++) {
 223                         phy = &data->PHY[i];
 224                         switch (phy->PhyStatus & MPI2_EVENT_SAS_TOPO_RC_MASK) {
 225                         case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
 226                                 if (mprsas_add_device(sc,
 227                                     le16toh(phy->AttachedDevHandle),
 228                                     phy->LinkRate)) {
 229                                         mpr_dprint(sc, MPR_ERROR, "%s: "
 230                                             "failed to add device with handle "
 231                                             "0x%x\n", __func__,
 232                                             le16toh(phy->AttachedDevHandle));
 233                                         mprsas_prepare_remove(sassc, le16toh(
 234                                             phy->AttachedDevHandle));
 235                                 }
 236                                 break;
 237                         case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING:
 238                                 mprsas_prepare_remove(sassc, le16toh(
 239                                     phy->AttachedDevHandle));
 240                                 break;
 241                         case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
 242                         case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE:
 243                         case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING:
 244                         default:
 245                                 break;
 246                         }
 247                 }
 248                 /*
 249                  * refcount was incremented for this event in
 250                  * mprsas_evt_handler.  Decrement it here because the event has
 251                  * been processed.
 252                  */
 253                 mprsas_startup_decrement(sassc);
 254                 break;
 255         }
 256         case MPI2_EVENT_SAS_DISCOVERY:
 257         {
 258                 MPI2_EVENT_DATA_SAS_DISCOVERY *data;
 259
 260                 data = (MPI2_EVENT_DATA_SAS_DISCOVERY *)fw_event->event_data;
 261
 262                 if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_STARTED)
 263                         mpr_dprint(sc, MPR_TRACE,"SAS discovery start event\n");
 264                 if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_COMPLETED) {
 265                         mpr_dprint(sc, MPR_TRACE,"SAS discovery stop event\n");
 266                         sassc->flags &= ~MPRSAS_IN_DISCOVERY;
 267                         mprsas_discovery_end(sassc);
 268                 }
 269                 break;
 270         }
 271         case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
 272         {
 273                 Mpi2EventDataSasEnclDevStatusChange_t *data;
 274                 data = (Mpi2EventDataSasEnclDevStatusChange_t *)
 275                     fw_event->event_data;
 276                 mpr_mapping_enclosure_dev_status_change_event(sc,
 277                     fw_event->event_data);
 278                 break;
 279         }
 280         case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
 281         {
 282                 Mpi2EventIrConfigElement_t *element;
 283                 int i;
 284                 u8 foreign_config, reason;
 285                 u16 elementType;
 286                 Mpi2EventDataIrConfigChangeList_t *event_data;
 287                 struct mprsas_target *targ;
 288                 unsigned int id;
 289
 290                 event_data = fw_event->event_data;
 291                 foreign_config = (le32toh(event_data->Flags) &
 292                     MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0;
 293
 294                 element =
 295                     (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
 296                 id = mpr_mapping_get_raid_tid_from_handle(sc,
 297                     element->VolDevHandle);
 298
 299                 mpr_mapping_ir_config_change_event(sc, event_data);
 300                 for (i = 0; i < event_data->NumElements; i++, element++) {
 301                         reason = element->ReasonCode;
 302                         elementType = le16toh(element->ElementFlags) &
 303                             MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK;
 304                         /*
 305                          * check for element type of Phys Disk or Hot Spare
 306                          */
 307                         if ((elementType !=
 308                             MPI2_EVENT_IR_CHANGE_EFLAGS_VOLPHYSDISK_ELEMENT)
 309                             && (elementType !=
 310                             MPI2_EVENT_IR_CHANGE_EFLAGS_HOTSPARE_ELEMENT))
 311                                 // do next element
 312                                 goto skip_fp_send;
 313
 314                         /*
 315                          * check for reason of Hide, Unhide, PD Created, or PD
 316                          * Deleted
 317                          */
 318                         if ((reason != MPI2_EVENT_IR_CHANGE_RC_HIDE) &&
 319                             (reason != MPI2_EVENT_IR_CHANGE_RC_UNHIDE) &&
 320                             (reason != MPI2_EVENT_IR_CHANGE_RC_PD_CREATED) &&
 321                             (reason != MPI2_EVENT_IR_CHANGE_RC_PD_DELETED))
 322                                 goto skip_fp_send;
 323
 324                         // check for a reason of Hide or PD Created
 325                         if ((reason == MPI2_EVENT_IR_CHANGE_RC_HIDE) ||
 326                             (reason == MPI2_EVENT_IR_CHANGE_RC_PD_CREATED))
 327                         {
 328                                 // build RAID Action message
 329                                 Mpi2RaidActionRequest_t *action;
 330                                 Mpi2RaidActionReply_t *reply = NULL;
 331                                 struct mpr_command *cm;
 332                                 int error = 0;
 333                                 if ((cm = mpr_alloc_command(sc)) == NULL) {
 334                                         printf("%s: command alloc failed\n",
 335                                             __func__);
 336                                         return;
 337                                 }
 338
 339                                 mpr_dprint(sc, MPR_EVENT, "Sending FP action "
 340                                     "from "
 341                                     "MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST "
 342                                     ":\n");
 343                                 action = (MPI2_RAID_ACTION_REQUEST *)cm->cm_req;
 344                                 action->Function = MPI2_FUNCTION_RAID_ACTION;
 345                                 action->Action =
 346                                     MPI2_RAID_ACTION_PHYSDISK_HIDDEN;
 347                                 action->PhysDiskNum = element->PhysDiskNum;
 348                                 cm->cm_desc.Default.RequestFlags =
 349                                     MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
 350                                 error = mpr_request_polled(sc, &cm);
 351                                 if (cm != NULL)
 352                                         reply = (Mpi2RaidActionReply_t *)
 353                                             cm->cm_reply;
 354                                 if (error || (reply == NULL)) {
 355                                         /* FIXME */
 356                                         /*
 357                                          * If the poll returns error then we
 358                                          * need to do diag reset
 359                                          */
 360                                         printf("%s: poll for page completed "
 361                                             "with error %d", __func__, error);
 362                                 }
 363                                 if (reply && (le16toh(reply->IOCStatus) &
 364                                     MPI2_IOCSTATUS_MASK) !=
 365                                     MPI2_IOCSTATUS_SUCCESS) {
 366                                         mpr_dprint(sc, MPR_ERROR, "%s: error "
 367                                             "sending RaidActionPage; "
 368                                             "iocstatus = 0x%x\n", __func__,
 369                                             le16toh(reply->IOCStatus));
 370                                 }
 371
 372                                 if (cm)
 373                                         mpr_free_command(sc, cm);
 374                         }
 375 skip_fp_send:
 376                         mpr_dprint(sc, MPR_EVENT, "Received "
 377                             "MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST Reason "
 378                             "code %x:\n", element->ReasonCode);
 379                         switch (element->ReasonCode) {
 380                         case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED:
 381                         case MPI2_EVENT_IR_CHANGE_RC_ADDED:
 382                                 if (!foreign_config) {
 383                                         if (mprsas_volume_add(sc,
 384                                             le16toh(element->VolDevHandle))) {
 385                                                 printf("%s: failed to add RAID "
 386                                                     "volume with handle 0x%x\n",
 387                                                     __func__, le16toh(element->
 388                                                     VolDevHandle));
 389                                         }
 390                                 }
 391                                 break;
 392                         case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED:
 393                         case MPI2_EVENT_IR_CHANGE_RC_REMOVED:
 394                                 /*
 395                                  * Rescan after volume is deleted or removed.
 396                                  */
 397                                 if (!foreign_config) {
 398                                         if (id == MPR_MAP_BAD_ID) {
 399                                                 printf("%s: could not get ID "
 400                                                     "for volume with handle "
 401                                                     "0x%04x\n", __func__,
 402                                                     le16toh(element->
 403                                                     VolDevHandle));
 404                                                 break;
 405                                         }
 406
 407                                         targ = &sassc->targets[id];
 408                                         targ->handle = 0x0;
 409                                         targ->encl_slot = 0x0;
 410                                         targ->encl_handle = 0x0;
 411                                         targ->encl_level_valid = 0x0;
 412                                         targ->encl_level = 0x0;
 413                                         targ->connector_name[0] = ' ';
 414                                         targ->connector_name[1] = ' ';
 415                                         targ->connector_name[2] = ' ';
 416                                         targ->connector_name[3] = ' ';
 417                                         targ->exp_dev_handle = 0x0;
 418                                         targ->phy_num = 0x0;
 419                                         targ->linkrate = 0x0;
 420                                         mprsas_rescan_target(sc, targ);
 421                                         printf("RAID target id 0x%x removed\n",
 422                                             targ->tid);
 423                                 }
 424                                 break;
 425                         case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED:
 426                         case MPI2_EVENT_IR_CHANGE_RC_HIDE:
 427                                 /*
 428                                  * Phys Disk of a volume has been created.  Hide
 429                                  * it from the OS.
 430                                  */
 431                                 targ = mprsas_find_target_by_handle(sassc, 0,
 432                                     element->PhysDiskDevHandle);
 433                                 if (targ == NULL)
 434                                         break;
 435                                 targ->flags |= MPR_TARGET_FLAGS_RAID_COMPONENT;
 436                                 mprsas_rescan_target(sc, targ);
 437                                 break;
 438                         case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED:
 439                                 /*
 440                                  * Phys Disk of a volume has been deleted.
 441                                  * Expose it to the OS.
 442                                  */
 443                                 if (mprsas_add_device(sc,
 444                                     le16toh(element->PhysDiskDevHandle), 0)) {
 445                                         printf("%s: failed to add device with "
 446                                             "handle 0x%x\n", __func__,
 447                                             le16toh(element->
 448                                             PhysDiskDevHandle));
 449                                         mprsas_prepare_remove(sassc,
 450                                             le16toh(element->
 451                                             PhysDiskDevHandle));
 452                                 }
 453                                 break;
 454                         }
 455                 }
 456                 /*
 457                  * refcount was incremented for this event in
 458                  * mprsas_evt_handler.  Decrement it here because the event has
 459                  * been processed.
 460                  */
 461                 mprsas_startup_decrement(sassc);
 462                 break;
 463         }
 464         case MPI2_EVENT_IR_VOLUME:
 465         {
 466                 Mpi2EventDataIrVolume_t *event_data = fw_event->event_data;
 467
 468                 /*
 469                  * Informational only.
 470                  */
 471                 mpr_dprint(sc, MPR_EVENT, "Received IR Volume event:\n");
 472                 switch (event_data->ReasonCode) {
 473                 case MPI2_EVENT_IR_VOLUME_RC_SETTINGS_CHANGED:
 474                         mpr_dprint(sc, MPR_EVENT, "   Volume Settings "
 475                             "changed from 0x%x to 0x%x for Volome with "
 476                             "handle 0x%x", le32toh(event_data->PreviousValue),
 477                             le32toh(event_data->NewValue),
 478                             le16toh(event_data->VolDevHandle));
 479                         break;
 480                 case MPI2_EVENT_IR_VOLUME_RC_STATUS_FLAGS_CHANGED:
 481                         mpr_dprint(sc, MPR_EVENT, "   Volume Status "
 482                             "changed from 0x%x to 0x%x for Volome with "
 483                             "handle 0x%x", le32toh(event_data->PreviousValue),
 484                             le32toh(event_data->NewValue),
 485                             le16toh(event_data->VolDevHandle));
 486                         break;
 487                 case MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED:
 488                         mpr_dprint(sc, MPR_EVENT, "   Volume State "
 489                             "changed from 0x%x to 0x%x for Volome with "
 490                             "handle 0x%x", le32toh(event_data->PreviousValue),
 491                             le32toh(event_data->NewValue),
 492                             le16toh(event_data->VolDevHandle));
 493                                 u32 state;
 494                                 struct mprsas_target *targ;
 495                                 state = le32toh(event_data->NewValue);
 496                                 switch (state) {
 497                                 case MPI2_RAID_VOL_STATE_MISSING:
 498                                 case MPI2_RAID_VOL_STATE_FAILED:
 499                                         mprsas_prepare_volume_remove(sassc,
 500                                             event_data->VolDevHandle);
 501                                         break;
 502
 503                                 case MPI2_RAID_VOL_STATE_ONLINE:
 504                                 case MPI2_RAID_VOL_STATE_DEGRADED:
 505                                 case MPI2_RAID_VOL_STATE_OPTIMAL:
 506                                         targ =
 507                                             mprsas_find_target_by_handle(sassc,
 508                                             0, event_data->VolDevHandle);
 509                                         if (targ) {
 510                                                 printf("%s %d: Volume handle "
 511                                                     "0x%x is already added \n",
 512                                                     __func__, __LINE__,
 513                                                     event_data->VolDevHandle);
 514                                                 break;
 515                                         }
 516                                         if (mprsas_volume_add(sc,
 517                                             le16toh(event_data->
 518                                             VolDevHandle))) {
 519                                                 printf("%s: failed to add RAID "
 520                                                     "volume with handle 0x%x\n",
 521                                                     __func__, le16toh(
 522                                                     event_data->VolDevHandle));
 523                                         }
 524                                         break;
 525                                 default:
 526                                         break;
 527                                 }
 528                         break;
 529                 default:
 530                         break;
 531                 }
 532                 break;
 533         }
 534         case MPI2_EVENT_IR_PHYSICAL_DISK:
 535         {
 536                 Mpi2EventDataIrPhysicalDisk_t *event_data =
 537                     fw_event->event_data;
 538                 struct mprsas_target *targ;
 539
 540                 /*
 541                  * Informational only.
 542                  */
 543                 mpr_dprint(sc, MPR_EVENT, "Received IR Phys Disk event:\n");
 544                 switch (event_data->ReasonCode) {
 545                 case MPI2_EVENT_IR_PHYSDISK_RC_SETTINGS_CHANGED:
 546                         mpr_dprint(sc, MPR_EVENT, "   Phys Disk Settings "
 547                             "changed from 0x%x to 0x%x for Phys Disk Number "
 548                             "%d and handle 0x%x at Enclosure handle 0x%x, Slot "
 549                             "%d", le32toh(event_data->PreviousValue),
 550                             le32toh(event_data->NewValue),
 551                             event_data->PhysDiskNum,
 552                             le16toh(event_data->PhysDiskDevHandle),
 553                             le16toh(event_data->EnclosureHandle),
 554                             le16toh(event_data->Slot));
 555                         break;
 556                 case MPI2_EVENT_IR_PHYSDISK_RC_STATUS_FLAGS_CHANGED:
 557                         mpr_dprint(sc, MPR_EVENT, "   Phys Disk Status changed "
 558                             "from 0x%x to 0x%x for Phys Disk Number %d and "
 559                             "handle 0x%x at Enclosure handle 0x%x, Slot %d",
 560                             le32toh(event_data->PreviousValue),
 561                             le32toh(event_data->NewValue),
 562                             event_data->PhysDiskNum,
 563                             le16toh(event_data->PhysDiskDevHandle),
 564                             le16toh(event_data->EnclosureHandle),
 565                             le16toh(event_data->Slot));
 566                         break;
 567                 case MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED:
 568                         mpr_dprint(sc, MPR_EVENT, "   Phys Disk State changed "
 569                             "from 0x%x to 0x%x for Phys Disk Number %d and "
 570                             "handle 0x%x at Enclosure handle 0x%x, Slot %d",
 571                             le32toh(event_data->PreviousValue),
 572                             le32toh(event_data->NewValue),
 573                             event_data->PhysDiskNum,
 574                             le16toh(event_data->PhysDiskDevHandle),
 575                             le16toh(event_data->EnclosureHandle),
 576                             le16toh(event_data->Slot));
 577                         switch (event_data->NewValue) {
 578                                 case MPI2_RAID_PD_STATE_ONLINE:
 579                                 case MPI2_RAID_PD_STATE_DEGRADED:
 580                                 case MPI2_RAID_PD_STATE_REBUILDING:
 581                                 case MPI2_RAID_PD_STATE_OPTIMAL:
 582                                 case MPI2_RAID_PD_STATE_HOT_SPARE:
 583                                         targ = mprsas_find_target_by_handle(
 584                                             sassc, 0,
 585                                             event_data->PhysDiskDevHandle);
 586                                         if (targ) {
 587                                                 targ->flags |=
 588                                                     MPR_TARGET_FLAGS_RAID_COMPONENT;
 589                                                 printf("%s %d: Found Target "
 590                                                     "for handle 0x%x.\n",
 591                                                     __func__, __LINE__ ,
 592                                                     event_data->
 593                                                     PhysDiskDevHandle);
 594                                         }
 595                                 break;
 596                                 case MPI2_RAID_PD_STATE_OFFLINE:
 597                                 case MPI2_RAID_PD_STATE_NOT_CONFIGURED:
 598                                 case MPI2_RAID_PD_STATE_NOT_COMPATIBLE:
 599                                 default:
 600                                         targ = mprsas_find_target_by_handle(
 601                                             sassc, 0,
 602                                             event_data->PhysDiskDevHandle);
 603                                         if (targ) {
 604                                                 targ->flags |=
 605                                             ~MPR_TARGET_FLAGS_RAID_COMPONENT;
 606                                                 printf("%s %d: Found Target "
 607                                                     "for handle 0x%x.  \n",
 608                                                     __func__, __LINE__ ,
 609                                                     event_data->
 610                                                     PhysDiskDevHandle);
 611                                         }
 612                                 break;
 613                         }
 614                 default:
 615                         break;
 616                 }
 617                 break;
 618         }
 619         case MPI2_EVENT_IR_OPERATION_STATUS:
 620         {
 621                 Mpi2EventDataIrOperationStatus_t *event_data =
 622                     fw_event->event_data;
 623
 624                 /*
 625                  * Informational only.
 626                  */
 627                 mpr_dprint(sc, MPR_EVENT, "Received IR Op Status event:\n");
 628                 mpr_dprint(sc, MPR_EVENT, "   RAID Operation of %d is %d "
 629                     "percent complete for Volume with handle 0x%x",
 630                     event_data->RAIDOperation, event_data->PercentComplete,
 631                     le16toh(event_data->VolDevHandle));
 632                 break;
 633         }
 634         case MPI2_EVENT_TEMP_THRESHOLD:
 635         {
 636                 pMpi2EventDataTemperature_t     temp_event;
 637
 638                 temp_event = (pMpi2EventDataTemperature_t)fw_event->event_data;
 639
 640                 /*
 641                  * The Temp Sensor Count must be greater than the event's Sensor
 642                  * Num to be valid.  If valid, print the temp thresholds that
 643                  * have been exceeded.
 644                  */
 645                 if (sc->iounit_pg8.NumSensors > temp_event->SensorNum) {
 646                         mpr_dprint(sc, MPR_FAULT, "Temperature Threshold flags "
 647                             "%s %s %s %s exceeded for Sensor: %d !!!\n",
 648                             ((temp_event->Status & 0x01) == 1) ? "0 " : " ",
 649                             ((temp_event->Status & 0x02) == 2) ? "1 " : " ",
 650                             ((temp_event->Status & 0x04) == 4) ? "2 " : " ",
 651                             ((temp_event->Status & 0x08) == 8) ? "3 " : " ",
 652                             temp_event->SensorNum);
 653                         mpr_dprint(sc, MPR_FAULT, "Current Temp in Celsius: "
 654                             "%d\n", temp_event->CurrentTemperature);
 655                 }
 656                 break;
 657         }
 658         case MPI2_EVENT_ACTIVE_CABLE_EXCEPTION:
 659         {
 660                 pMpi26EventDataActiveCableExcept_t      ace_event_data;
 661                 ace_event_data =
 662                     (pMpi26EventDataActiveCableExcept_t)fw_event->event_data;
 663
 664                 switch(ace_event_data->ReasonCode) {
 665                 case MPI26_EVENT_ACTIVE_CABLE_INSUFFICIENT_POWER:
 666                 {
 667                         mpr_printf(sc, "Currently a cable with "
 668                             "ReceptacleID %d cannot be powered and device "
 669                             "connected to this active cable will not be seen. "
 670                             "This active cable requires %d mW of power.\n",
 671                             ace_event_data->ReceptacleID,
 672                             ace_event_data->ActiveCablePowerRequirement);
 673                         break;
 674                 }
 675                 case MPI26_EVENT_ACTIVE_CABLE_DEGRADED:
 676                 {
 677                         mpr_printf(sc, "Currently a cable with "
 678                             "ReceptacleID %d is not running at optimal speed "
 679                             "(12 Gb/s rate)\n", ace_event_data->ReceptacleID);
 680                         break;
 681                 }
 682                 default:
 683                         break;
 684                 }
 685                 break;
 686         }
 687         case MPI2_EVENT_PCIE_DEVICE_STATUS_CHANGE:
 688         {
 689                 pMpi26EventDataPCIeDeviceStatusChange_t pcie_status_event_data;
 690                 pcie_status_event_data =
 691                    (pMpi26EventDataPCIeDeviceStatusChange_t)fw_event->event_data;
 692
 693                 switch (pcie_status_event_data->ReasonCode) {
 694                 case MPI26_EVENT_PCIDEV_STAT_RC_PCIE_HOT_RESET_FAILED:
 695                 {
 696                         mpr_printf(sc, "PCIe Host Reset failed on DevHandle "
 697                             "0x%x\n", pcie_status_event_data->DevHandle);
 698                         break;
 699                 }
 700                 default:
 701                         break;
 702                 }
 703                 break;
 704         }
 705         case MPI2_EVENT_SAS_DEVICE_DISCOVERY_ERROR:
 706         {
 707                 pMpi25EventDataSasDeviceDiscoveryError_t discovery_error_data;
 708                 uint64_t sas_address;
 709
 710                 discovery_error_data =
 711                     (pMpi25EventDataSasDeviceDiscoveryError_t)
 712                     fw_event->event_data;
 713
 714                 sas_address = discovery_error_data->SASAddress.High;
 715                 sas_address = (sas_address << 32) |
 716                     discovery_error_data->SASAddress.Low;
 717
 718                 switch(discovery_error_data->ReasonCode) {
 719                 case MPI25_EVENT_SAS_DISC_ERR_SMP_FAILED:
 720                 {
 721                         mpr_printf(sc, "SMP command failed during discovery "
 722                             "for expander with SAS Address %jx and "
 723                             "handle 0x%x.\n", sas_address,
 724                             discovery_error_data->DevHandle);
 725                         break;
 726                 }
 727                 case MPI25_EVENT_SAS_DISC_ERR_SMP_TIMEOUT:
 728                 {
 729                         mpr_printf(sc, "SMP command timed out during "
 730                             "discovery for expander with SAS Address %jx and "
 731                             "handle 0x%x.\n", sas_address,
 732                             discovery_error_data->DevHandle);
 733                         break;
 734                 }
 735                 default:
 736                         break;
 737                 }
 738                 break;
 739         }
 740         case MPI2_EVENT_PCIE_TOPOLOGY_CHANGE_LIST:
 741         {
 742                 MPI26_EVENT_DATA_PCIE_TOPOLOGY_CHANGE_LIST *data;
 743                 MPI26_EVENT_PCIE_TOPO_PORT_ENTRY *port_entry;
 744                 uint8_t i, link_rate;
 745                 uint16_t handle;
 746
 747                 data = (MPI26_EVENT_DATA_PCIE_TOPOLOGY_CHANGE_LIST *)
 748                     fw_event->event_data;
 749
 750                 mpr_mapping_pcie_topology_change_event(sc,
 751                     fw_event->event_data);
 752
 753                 for (i = 0; i < data->NumEntries; i++) {
 754                         port_entry = &data->PortEntry[i];
 755                         handle = le16toh(port_entry->AttachedDevHandle);
 756                         link_rate = port_entry->CurrentPortInfo &
 757                             MPI26_EVENT_PCIE_TOPO_PI_RATE_MASK;
 758                         switch (port_entry->PortStatus) {
 759                         case MPI26_EVENT_PCIE_TOPO_PS_DEV_ADDED:
 760                                 if (link_rate <
 761                                     MPI26_EVENT_PCIE_TOPO_PI_RATE_2_5) {
 762                                         mpr_dprint(sc, MPR_ERROR, "%s: Cannot "
 763                                             "add PCIe device with handle 0x%x "
 764                                             "with unknown link rate.\n",
 765                                             __func__, handle);
 766                                         break;
 767                                 }
 768                                 if (mprsas_add_pcie_device(sc, handle,
 769                                     link_rate)) {
 770                                         mpr_dprint(sc, MPR_ERROR, "%s: failed "
 771                                             "to add PCIe device with handle "
 772                                             "0x%x\n", __func__, handle);
 773                                         mprsas_prepare_remove(sassc, handle);
 774                                 }
 775                                 break;
 776                         case MPI26_EVENT_PCIE_TOPO_PS_NOT_RESPONDING:
 777                                 mprsas_prepare_remove(sassc, handle);
 778                                 break;
 779                         case MPI26_EVENT_PCIE_TOPO_PS_PORT_CHANGED:
 780                         case MPI26_EVENT_PCIE_TOPO_PS_NO_CHANGE:
 781                         case MPI26_EVENT_PCIE_TOPO_PS_DELAY_NOT_RESPONDING:
 782                         default:
 783                                 break;
 784                         }
 785                 }
 786                 /*
 787                  * refcount was incremented for this event in
 788                  * mprsas_evt_handler.  Decrement it here because the event has
 789                  * been processed.
 790                  */
 791                 mprsas_startup_decrement(sassc);
 792                 break;
 793         }
 794         case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
 795         case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
 796         default:
 797                 mpr_dprint(sc, MPR_TRACE,"Unhandled event 0x%0X\n",
 798                     fw_event->event);
 799                 break;
 800
 801         }
 802         mpr_dprint(sc, MPR_EVENT, "(%d)->(%s) Event Free: [%x]\n", event_count,
 803             __func__, fw_event->event);
 804         mprsas_fw_event_free(sc, fw_event);
 805 }
 806
 807 void
 808 mprsas_firmware_event_work(void *arg, int pending)
 809 {
 810         struct mpr_fw_event_work *fw_event;
 811         struct mpr_softc *sc;
 812
 813         sc = (struct mpr_softc *)arg;
 814         mpr_lock(sc);
 815         while ((fw_event = TAILQ_FIRST(&sc->sassc->ev_queue)) != NULL) {
 816                 TAILQ_REMOVE(&sc->sassc->ev_queue, fw_event, ev_link);
 817                 mprsas_fw_work(sc, fw_event);
 818         }
 819         mpr_unlock(sc);
 820 }
 821
 822 static int
 823 mprsas_add_device(struct mpr_softc *sc, u16 handle, u8 linkrate)
 824 {
 825         char devstring[80];
 826         struct mprsas_softc *sassc;
 827         struct mprsas_target *targ;
 828         Mpi2ConfigReply_t mpi_reply;
 829         Mpi2SasDevicePage0_t config_page;
 830         uint64_t sas_address, parent_sas_address = 0;
 831         u32 device_info, parent_devinfo = 0;
 832         unsigned int id;
 833         int ret = 1, error = 0, i;
 834         struct mprsas_lun *lun;
 835         u8 is_SATA_SSD = 0;
 836         struct mpr_command *cm;
 837
 838         sassc = sc->sassc;
 839         mprsas_startup_increment(sassc);
 840         if (mpr_config_get_sas_device_pg0(sc, &mpi_reply, &config_page,
 841             MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle) != 0) {
 842                 mpr_dprint(sc, MPR_INFO|MPR_MAPPING|MPR_FAULT,
 843                     "Error reading SAS device %#x page0, iocstatus= 0x%x\n",
 844                     handle, mpi_reply.IOCStatus);
 845                 error = ENXIO;
 846                 goto out;
 847         }
 848
 849         device_info = le32toh(config_page.DeviceInfo);
 850
 851         if (((device_info & MPI2_SAS_DEVICE_INFO_SMP_TARGET) == 0)
 852             && (le16toh(config_page.ParentDevHandle) != 0)) {
 853                 Mpi2ConfigReply_t tmp_mpi_reply;
 854                 Mpi2SasDevicePage0_t parent_config_page;
 855
 856                 if (mpr_config_get_sas_device_pg0(sc, &tmp_mpi_reply,
 857                     &parent_config_page, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
 858                     le16toh(config_page.ParentDevHandle)) != 0) {
 859                         mpr_dprint(sc, MPR_MAPPING|MPR_FAULT,
 860                             "Error reading parent SAS device %#x page0, "
 861                             "iocstatus= 0x%x\n",
 862                             le16toh(config_page.ParentDevHandle),
 863                             tmp_mpi_reply.IOCStatus);
 864                 } else {
 865                         parent_sas_address = parent_config_page.SASAddress.High;
 866                         parent_sas_address = (parent_sas_address << 32) |
 867                             parent_config_page.SASAddress.Low;
 868                         parent_devinfo = le32toh(parent_config_page.DeviceInfo);
 869                 }
 870         }
 871         /* TODO Check proper endianness */
 872         sas_address = config_page.SASAddress.High;
 873         sas_address = (sas_address << 32) | config_page.SASAddress.Low;
 874         mpr_dprint(sc, MPR_MAPPING, "Handle 0x%04x SAS Address from SAS device "
 875             "page0 = %jx\n", handle, sas_address);
 876
 877         /*
 878          * Always get SATA Identify information because this is used to
 879          * determine if Start/Stop Unit should be sent to the drive when the
 880          * system is shutdown.
 881          */
 882         if (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE) {
 883                 ret = mprsas_get_sas_address_for_sata_disk(sc, &sas_address,
 884                     handle, device_info, &is_SATA_SSD);
 885                 if (ret) {
 886                         mpr_dprint(sc, MPR_MAPPING|MPR_ERROR,
 887                             "%s: failed to get disk type (SSD or HDD) for SATA "
 888                             "device with handle 0x%04x\n",
 889                             __func__, handle);
 890                 } else {
 891                         mpr_dprint(sc, MPR_MAPPING, "Handle 0x%04x SAS Address "
 892                             "from SATA device = %jx\n", handle, sas_address);
 893                 }
 894         }
 895
 896         /*
 897          * use_phynum:
 898          *  1 - use the PhyNum field as a fallback to the mapping logic
 899          *  0 - never use the PhyNum field
 900          * -1 - only use the PhyNum field
 901          *
 902          * Note that using the Phy number to map a device can cause device adds
 903          * to fail if multiple enclosures/expanders are in the topology. For
 904          * example, if two devices are in the same slot number in two different
 905          * enclosures within the topology, only one of those devices will be
 906          * added. PhyNum mapping should not be used if multiple enclosures are
 907          * in the topology.
 908          */
 909         id = MPR_MAP_BAD_ID;
 910         if (sc->use_phynum != -1)
 911                 id = mpr_mapping_get_tid(sc, sas_address, handle);
 912         if (id == MPR_MAP_BAD_ID) {
 913                 if ((sc->use_phynum == 0) ||
 914                     ((id = config_page.PhyNum) > sassc->maxtargets)) {
 915                         mpr_dprint(sc, MPR_INFO, "failure at %s:%d/%s()! "
 916                             "Could not get ID for device with handle 0x%04x\n",
 917                             __FILE__, __LINE__, __func__, handle);
 918                         error = ENXIO;
 919                         goto out;
 920                 }
 921         }
 922         mpr_dprint(sc, MPR_MAPPING, "%s: Target ID for added device is %d.\n",
 923             __func__, id);
 924
 925         /*
 926          * Only do the ID check and reuse check if the target is not from a
 927          * RAID Component. For Physical Disks of a Volume, the ID will be reused
 928          * when a volume is deleted because the mapping entry for the PD will
 929          * still be in the mapping table. The ID check should not be done here
 930          * either since this PD is already being used.
 931          */
 932         targ = &sassc->targets[id];
 933         if (!(targ->flags & MPR_TARGET_FLAGS_RAID_COMPONENT)) {
 934                 if (mprsas_check_id(sassc, id) != 0) {
 935                         mpr_dprint(sc, MPR_MAPPING|MPR_INFO,
 936                             "Excluding target id %d\n", id);
 937                         error = ENXIO;
 938                         goto out;
 939                 }
 940
 941                 if (targ->handle != 0x0) {
 942                         mpr_dprint(sc, MPR_MAPPING, "Attempting to reuse "
 943                             "target id %d handle 0x%04x\n", id, targ->handle);
 944                         error = ENXIO;
 945                         goto out;
 946                 }
 947         }
 948
 949         targ->devinfo = device_info;
 950         targ->devname = le32toh(config_page.DeviceName.High);
 951         targ->devname = (targ->devname << 32) |
 952             le32toh(config_page.DeviceName.Low);
 953         targ->encl_handle = le16toh(config_page.EnclosureHandle);
 954         targ->encl_slot = le16toh(config_page.Slot);
 955         targ->encl_level = config_page.EnclosureLevel;
 956         targ->connector_name[0] = config_page.ConnectorName[0];
 957         targ->connector_name[1] = config_page.ConnectorName[1];
 958         targ->connector_name[2] = config_page.ConnectorName[2];
 959         targ->connector_name[3] = config_page.ConnectorName[3];
 960         targ->handle = handle;
 961         targ->parent_handle = le16toh(config_page.ParentDevHandle);
 962         targ->sasaddr = mpr_to_u64(&config_page.SASAddress);
 963         targ->parent_sasaddr = le64toh(parent_sas_address);
 964         targ->parent_devinfo = parent_devinfo;
 965         targ->tid = id;
 966         targ->linkrate = (linkrate>>4);
 967         targ->flags = 0;
 968         if (is_SATA_SSD) {
 969                 targ->flags = MPR_TARGET_IS_SATA_SSD;
 970         }
 971         if ((le16toh(config_page.Flags) &
 972             MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH) &&
 973             (le16toh(config_page.Flags) &
 974             MPI25_SAS_DEVICE0_FLAGS_FAST_PATH_CAPABLE)) {
 975                 targ->scsi_req_desc_type =
 976                     MPI25_REQ_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO;
 977         }
 978         if (le16toh(config_page.Flags) &
 979             MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) {
 980                 targ->encl_level_valid = TRUE;
 981         }
 982         TAILQ_INIT(&targ->commands);
 983         TAILQ_INIT(&targ->timedout_commands);
 984         while (!SLIST_EMPTY(&targ->luns)) {
 985                 lun = SLIST_FIRST(&targ->luns);
 986                 SLIST_REMOVE_HEAD(&targ->luns, lun_link);
 987                 free(lun, M_MPR);
 988         }
 989         SLIST_INIT(&targ->luns);
 990
 991         mpr_describe_devinfo(targ->devinfo, devstring, 80);
 992         mpr_dprint(sc, (MPR_INFO|MPR_MAPPING), "Found device <%s> <%s> "
 993             "handle<0x%04x> enclosureHandle<0x%04x> slot %d\n", devstring,
 994             mpr_describe_table(mpr_linkrate_names, targ->linkrate),
 995             targ->handle, targ->encl_handle, targ->encl_slot);
 996         if (targ->encl_level_valid) {
 997                 mpr_dprint(sc, (MPR_INFO|MPR_MAPPING), "At enclosure level %d "
 998                     "and connector name (%4s)\n", targ->encl_level,
 999                     targ->connector_name);
1000         }
1001 #if ((__FreeBSD_version >= 1000000) && (__FreeBSD_version < 1000039)) || \
1002     (__FreeBSD_version < 902502)
1003         if ((sassc->flags & MPRSAS_IN_STARTUP) == 0)
1004 #endif
1005                 mprsas_rescan_target(sc, targ);
1006         mpr_dprint(sc, MPR_MAPPING, "Target id 0x%x added\n", targ->tid);
1007
1008         /*
1009          * Check all commands to see if the SATA_ID_TIMEOUT flag has been set.
1010          * If so, send a Target Reset TM to the target that was just created.
1011          * An Abort Task TM should be used instead of a Target Reset, but that
1012          * would be much more difficult because targets have not been fully
1013          * discovered yet, and LUN's haven't been setup.  So, just reset the
1014          * target instead of the LUN.
1015          */
1016         for (i = 1; i < sc->num_reqs; i++) {
1017                 cm = &sc->commands[i];
1018                 if (cm->cm_flags & MPR_CM_FLAGS_SATA_ID_TIMEOUT) {
1019                         targ->timeouts++;
1020                         cm->cm_state = MPR_CM_STATE_TIMEDOUT;
1021
1022                         if ((targ->tm = mprsas_alloc_tm(sc)) != NULL) {
1023                                 mpr_dprint(sc, MPR_INFO, "%s: sending Target "
1024                                     "Reset for stuck SATA identify command "
1025                                     "(cm = %p)\n", __func__, cm);
1026                                 targ->tm->cm_targ = targ;
1027                                 mprsas_send_reset(sc, targ->tm,
1028                                     MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET);
1029                         } else {
1030                                 mpr_dprint(sc, MPR_ERROR, "Failed to allocate "
1031                                     "tm for Target Reset after SATA ID command "
1032                                     "timed out (cm %p)\n", cm);
1033                         }
1034                         /*
1035                          * No need to check for more since the target is
1036                          * already being reset.
1037                          */
1038                         break;
1039                 }
1040         }
1041 out:
1042         /*
1043          * Free the commands that may not have been freed from the SATA ID call
1044          */
1045         for (i = 1; i < sc->num_reqs; i++) {
1046                 cm = &sc->commands[i];
1047                 if (cm->cm_flags & MPR_CM_FLAGS_SATA_ID_TIMEOUT) {
1048                         free(cm->cm_data, M_MPR);
1049                         mpr_free_command(sc, cm);
1050                 }
1051         }
1052         mprsas_startup_decrement(sassc);
1053         return (error);
1054 }
1055
1056 int
1057 mprsas_get_sas_address_for_sata_disk(struct mpr_softc *sc,
1058     u64 *sas_address, u16 handle, u32 device_info, u8 *is_SATA_SSD)
1059 {
1060         Mpi2SataPassthroughReply_t mpi_reply;
1061         int i, rc, try_count;
1062         u32 *bufferptr;
1063         union _sata_sas_address hash_address;
1064         struct _ata_identify_device_data ata_identify;
1065         u8 buffer[MPT2SAS_MN_LEN + MPT2SAS_SN_LEN];
1066         u32 ioc_status;
1067         u8 sas_status;
1068
1069         memset(&ata_identify, 0, sizeof(ata_identify));
1070         memset(&mpi_reply, 0, sizeof(mpi_reply));
1071         try_count = 0;
1072         do {
1073                 rc = mprsas_get_sata_identify(sc, handle, &mpi_reply,
1074                     (char *)&ata_identify, sizeof(ata_identify), device_info);
1075                 try_count++;
1076                 ioc_status = le16toh(mpi_reply.IOCStatus)
1077                     & MPI2_IOCSTATUS_MASK;
1078                 sas_status = mpi_reply.SASStatus;
1079                 switch (ioc_status) {
1080                 case MPI2_IOCSTATUS_SUCCESS:
1081                         break;
1082                 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
1083                         /* No sense sleeping.  this error won't get better */
1084                         break;
1085                 default:
1086                         if (sc->spinup_wait_time > 0) {
1087                                 mpr_dprint(sc, MPR_INFO, "Sleeping %d seconds "
1088                                     "after SATA ID error to wait for spinup\n",
1089                                     sc->spinup_wait_time);
1090                                 msleep(&sc->msleep_fake_chan, &sc->mpr_mtx, 0,
1091                                     "mprid", sc->spinup_wait_time * hz);
1092                         }
1093                 }
1094         } while (((rc && (rc != EWOULDBLOCK)) ||
1095             (ioc_status && (ioc_status != MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR))
1096             || sas_status) && (try_count < 5));
1097
1098         if (rc == 0 && !ioc_status && !sas_status) {
1099                 mpr_dprint(sc, MPR_MAPPING, "%s: got SATA identify "
1100                     "successfully for handle = 0x%x with try_count = %d\n",
1101                     __func__, handle, try_count);
1102         } else {
1103                 mpr_dprint(sc, MPR_MAPPING, "%s: handle = 0x%x failed\n",
1104                     __func__, handle);
1105                 return -1;
1106         }
1107         /* Copy & byteswap the 40 byte model number to a buffer */
1108         for (i = 0; i < MPT2SAS_MN_LEN; i += 2) {
1109                 buffer[i] = ((u8 *)ata_identify.model_number)[i + 1];
1110                 buffer[i + 1] = ((u8 *)ata_identify.model_number)[i];
1111         }
1112         /* Copy & byteswap the 20 byte serial number to a buffer */
1113         for (i = 0; i < MPT2SAS_SN_LEN; i += 2) {
1114                 buffer[MPT2SAS_MN_LEN + i] =
1115                     ((u8 *)ata_identify.serial_number)[i + 1];
1116                 buffer[MPT2SAS_MN_LEN + i + 1] =
1117                     ((u8 *)ata_identify.serial_number)[i];
1118         }
1119         bufferptr = (u32 *)buffer;
1120         /* There are 60 bytes to hash down to 8. 60 isn't divisible by 8,
1121          * so loop through the first 56 bytes (7*8),
1122          * and then add in the last dword.
1123          */
1124         hash_address.word.low  = 0;
1125         hash_address.word.high = 0;
1126         for (i = 0; (i < ((MPT2SAS_MN_LEN+MPT2SAS_SN_LEN)/8)); i++) {
1127                 hash_address.word.low += *bufferptr;
1128                 bufferptr++;
1129                 hash_address.word.high += *bufferptr;
1130                 bufferptr++;
1131         }
1132         /* Add the last dword */
1133         hash_address.word.low += *bufferptr;
1134         /* Make sure the hash doesn't start with 5, because it could clash
1135          * with a SAS address. Change 5 to a D.
1136          */
1137         if ((hash_address.word.high & 0x000000F0) == (0x00000050))
1138                 hash_address.word.high |= 0x00000080;
1139         *sas_address = (u64)hash_address.wwid[0] << 56 |
1140             (u64)hash_address.wwid[1] << 48 | (u64)hash_address.wwid[2] << 40 |
1141             (u64)hash_address.wwid[3] << 32 | (u64)hash_address.wwid[4] << 24 |
1142             (u64)hash_address.wwid[5] << 16 | (u64)hash_address.wwid[6] <<  8 |
1143             (u64)hash_address.wwid[7];
1144         if (ata_identify.rotational_speed == 1) {
1145                 *is_SATA_SSD = 1;
1146         }
1147
1148         return 0;
1149 }
1150
1151 static int
1152 mprsas_get_sata_identify(struct mpr_softc *sc, u16 handle,
1153     Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz, u32 devinfo)
1154 {
1155         Mpi2SataPassthroughRequest_t *mpi_request;
1156         Mpi2SataPassthroughReply_t *reply;
1157         struct mpr_command *cm;
1158         char *buffer;
1159         int error = 0;
1160
1161         buffer = malloc( sz, M_MPR, M_NOWAIT | M_ZERO);
1162         if (!buffer)
1163                 return ENOMEM;
1164
1165         if ((cm = mpr_alloc_command(sc)) == NULL) {
1166                 free(buffer, M_MPR);
1167                 return (EBUSY);
1168         }
1169         mpi_request = (MPI2_SATA_PASSTHROUGH_REQUEST *)cm->cm_req;
1170         bzero(mpi_request,sizeof(MPI2_SATA_PASSTHROUGH_REQUEST));
1171         mpi_request->Function = MPI2_FUNCTION_SATA_PASSTHROUGH;
1172         mpi_request->VF_ID = 0;
1173         mpi_request->DevHandle = htole16(handle);
1174         mpi_request->PassthroughFlags = (MPI2_SATA_PT_REQ_PT_FLAGS_PIO |
1175             MPI2_SATA_PT_REQ_PT_FLAGS_READ);
1176         mpi_request->DataLength = htole32(sz);
1177         mpi_request->CommandFIS[0] = 0x27;
1178         mpi_request->CommandFIS[1] = 0x80;
1179         mpi_request->CommandFIS[2] =  (devinfo &
1180             MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? 0xA1 : 0xEC;
1181         cm->cm_sge = &mpi_request->SGL;
1182         cm->cm_sglsize = sizeof(MPI2_SGE_IO_UNION);
1183         cm->cm_flags = MPR_CM_FLAGS_DATAIN;
1184         cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
1185         cm->cm_data = buffer;
1186         cm->cm_length = htole32(sz);
1187
1188         /*
1189          * Use a custom handler to avoid reinit'ing the controller on timeout.
1190          * This fixes a problem where the FW does not send a reply sometimes
1191          * when a bad disk is in the topology. So, this is used to timeout the
1192          * command so that processing can continue normally.
1193          */
1194         cm->cm_timeout_handler = mprsas_ata_id_timeout;
1195
1196         error = mpr_wait_command(sc, &cm, MPR_ATA_ID_TIMEOUT, CAN_SLEEP);
1197
1198         /* mprsas_ata_id_timeout does not reset controller */
1199         KASSERT(cm != NULL, ("%s: surprise command freed", __func__));
1200
1201         reply = (Mpi2SataPassthroughReply_t *)cm->cm_reply;
1202         if (error || (reply == NULL)) {
1203                 /* FIXME */
1204                 /*
1205                  * If the request returns an error then we need to do a diag
1206                  * reset
1207                  */
1208                 mpr_dprint(sc, MPR_INFO|MPR_FAULT|MPR_MAPPING,
1209                     "Request for SATA PASSTHROUGH page completed with error %d",
1210                     error);
1211                 error = ENXIO;
1212                 goto out;
1213         }
1214         bcopy(buffer, id_buffer, sz);
1215         bcopy(reply, mpi_reply, sizeof(Mpi2SataPassthroughReply_t));
1216         if ((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) !=
1217             MPI2_IOCSTATUS_SUCCESS) {
1218                 mpr_dprint(sc, MPR_INFO|MPR_MAPPING|MPR_FAULT,
1219                     "Error reading device %#x SATA PASSTHRU; iocstatus= 0x%x\n",
1220                     handle, reply->IOCStatus);
1221                 error = ENXIO;
1222                 goto out;
1223         }
1224 out:
1225         /*
1226          * If the SATA_ID_TIMEOUT flag has been set for this command, don't free
1227          * it.  The command and buffer will be freed after sending an Abort
1228          * Task TM.
1229          */
1230         if ((cm->cm_flags & MPR_CM_FLAGS_SATA_ID_TIMEOUT) == 0) {
1231                 mpr_free_command(sc, cm);
1232                 free(buffer, M_MPR);
1233         }
1234         return (error);
1235 }
1236
1237 static void
1238 mprsas_ata_id_timeout(struct mpr_softc *sc, struct mpr_command *cm)
1239 {
1240
1241         mpr_dprint(sc, MPR_INFO, "%s ATA ID command timeout cm %p sc %p\n",
1242             __func__, cm, sc);
1243
1244         /*
1245          * The Abort Task cannot be sent from here because the driver has not
1246          * completed setting up targets.  Instead, the command is flagged so
1247          * that special handling will be used to send the abort.
1248          */
1249         cm->cm_flags |= MPR_CM_FLAGS_SATA_ID_TIMEOUT;
1250 }
1251
1252 static int
1253 mprsas_add_pcie_device(struct mpr_softc *sc, u16 handle, u8 linkrate)
1254 {
1255         char devstring[80];
1256         struct mprsas_softc *sassc;
1257         struct mprsas_target *targ;
1258         Mpi2ConfigReply_t mpi_reply;
1259         Mpi26PCIeDevicePage0_t config_page;
1260         Mpi26PCIeDevicePage2_t config_page2;
1261         uint64_t pcie_wwid, parent_wwid = 0;
1262         u32 device_info, parent_devinfo = 0;
1263         unsigned int id;
1264         int error = 0;
1265         struct mprsas_lun *lun;
1266
1267         sassc = sc->sassc;
1268         mprsas_startup_increment(sassc);
1269         if ((mpr_config_get_pcie_device_pg0(sc, &mpi_reply, &config_page,
1270              MPI26_PCIE_DEVICE_PGAD_FORM_HANDLE, handle))) {
1271                 printf("%s: error reading PCIe device page0\n", __func__);
1272                 error = ENXIO;
1273                 goto out;
1274         }
1275
1276         device_info = le32toh(config_page.DeviceInfo);
1277
1278         if (((device_info & MPI26_PCIE_DEVINFO_PCI_SWITCH) == 0)
1279             && (le16toh(config_page.ParentDevHandle) != 0)) {
1280                 Mpi2ConfigReply_t tmp_mpi_reply;
1281                 Mpi26PCIeDevicePage0_t parent_config_page;
1282
1283                 if ((mpr_config_get_pcie_device_pg0(sc, &tmp_mpi_reply,
1284                      &parent_config_page, MPI26_PCIE_DEVICE_PGAD_FORM_HANDLE,
1285                      le16toh(config_page.ParentDevHandle)))) {
1286                         printf("%s: error reading PCIe device %#x page0\n",
1287                             __func__, le16toh(config_page.ParentDevHandle));
1288                 } else {
1289                         parent_wwid = parent_config_page.WWID.High;
1290                         parent_wwid = (parent_wwid << 32) |
1291                             parent_config_page.WWID.Low;
1292                         parent_devinfo = le32toh(parent_config_page.DeviceInfo);
1293                 }
1294         }
1295         /* TODO Check proper endianness */
1296         pcie_wwid = config_page.WWID.High;
1297         pcie_wwid = (pcie_wwid << 32) | config_page.WWID.Low;
1298         mpr_dprint(sc, MPR_INFO, "PCIe WWID from PCIe device page0 = %jx\n",
1299             pcie_wwid);
1300
1301         if ((mpr_config_get_pcie_device_pg2(sc, &mpi_reply, &config_page2,
1302              MPI26_PCIE_DEVICE_PGAD_FORM_HANDLE, handle))) {
1303                 printf("%s: error reading PCIe device page2\n", __func__);
1304                 error = ENXIO;
1305                 goto out;
1306         }
1307
1308         id = mpr_mapping_get_tid(sc, pcie_wwid, handle);
1309         if (id == MPR_MAP_BAD_ID) {
1310                 mpr_dprint(sc, MPR_ERROR | MPR_INFO, "failure at %s:%d/%s()! "
1311                     "Could not get ID for device with handle 0x%04x\n",
1312                     __FILE__, __LINE__, __func__, handle);
1313                 error = ENXIO;
1314                 goto out;
1315         }
1316         mpr_dprint(sc, MPR_MAPPING, "%s: Target ID for added device is %d.\n",
1317             __func__, id);
1318
1319         if (mprsas_check_id(sassc, id) != 0) {
1320                 mpr_dprint(sc, MPR_MAPPING|MPR_INFO,
1321                     "Excluding target id %d\n", id);
1322                 error = ENXIO;
1323                 goto out;
1324         }
1325
1326         mpr_dprint(sc, MPR_MAPPING, "WWID from PCIe device page0 = %jx\n",
1327             pcie_wwid);
1328         targ = &sassc->targets[id];
1329         targ->devinfo = device_info;
1330         targ->encl_handle = le16toh(config_page.EnclosureHandle);
1331         targ->encl_slot = le16toh(config_page.Slot);
1332         targ->encl_level = config_page.EnclosureLevel;
1333         targ->connector_name[0] = ((char *)&config_page.ConnectorName)[0];
1334         targ->connector_name[1] = ((char *)&config_page.ConnectorName)[1];
1335         targ->connector_name[2] = ((char *)&config_page.ConnectorName)[2];
1336         targ->connector_name[3] = ((char *)&config_page.ConnectorName)[3];
1337         targ->is_nvme = device_info & MPI26_PCIE_DEVINFO_NVME;
1338         targ->MDTS = config_page2.MaximumDataTransferSize;
1339         if (targ->is_nvme)
1340                 targ->controller_reset_timeout = config_page2.ControllerResetTO;
1341         /*
1342          * Assume always TRUE for encl_level_valid because there is no valid
1343          * flag for PCIe.
1344          */
1345         targ->encl_level_valid = TRUE;
1346         targ->handle = handle;
1347         targ->parent_handle = le16toh(config_page.ParentDevHandle);
1348         targ->sasaddr = mpr_to_u64(&config_page.WWID);
1349         targ->parent_sasaddr = le64toh(parent_wwid);
1350         targ->parent_devinfo = parent_devinfo;
1351         targ->tid = id;
1352         targ->linkrate = linkrate;
1353         targ->flags = 0;
1354         if ((le16toh(config_page.Flags) &
1355             MPI26_PCIEDEV0_FLAGS_ENABLED_FAST_PATH) &&
1356             (le16toh(config_page.Flags) &
1357             MPI26_PCIEDEV0_FLAGS_FAST_PATH_CAPABLE)) {
1358                 targ->scsi_req_desc_type =
1359                     MPI25_REQ_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO;
1360         }
1361         TAILQ_INIT(&targ->commands);
1362         TAILQ_INIT(&targ->timedout_commands);
1363         while (!SLIST_EMPTY(&targ->luns)) {
1364                 lun = SLIST_FIRST(&targ->luns);
1365                 SLIST_REMOVE_HEAD(&targ->luns, lun_link);
1366                 free(lun, M_MPR);
1367         }
1368         SLIST_INIT(&targ->luns);
1369
1370         mpr_describe_devinfo(targ->devinfo, devstring, 80);
1371         mpr_dprint(sc, (MPR_INFO|MPR_MAPPING), "Found PCIe device <%s> <%s> "
1372             "handle<0x%04x> enclosureHandle<0x%04x> slot %d\n", devstring,
1373             mpr_describe_table(mpr_pcie_linkrate_names, targ->linkrate),
1374             targ->handle, targ->encl_handle, targ->encl_slot);
1375         if (targ->encl_level_valid) {
1376                 mpr_dprint(sc, (MPR_INFO|MPR_MAPPING), "At enclosure level %d "
1377                     "and connector name (%4s)\n", targ->encl_level,
1378                     targ->connector_name);
1379         }
1380 #if ((__FreeBSD_version >= 1000000) && (__FreeBSD_version < 1000039)) || \
1381     (__FreeBSD_version < 902502)
1382         if ((sassc->flags & MPRSAS_IN_STARTUP) == 0)
1383 #endif
1384                 mprsas_rescan_target(sc, targ);
1385         mpr_dprint(sc, MPR_MAPPING, "Target id 0x%x added\n", targ->tid);
1386
1387 out:
1388         mprsas_startup_decrement(sassc);
1389         return (error);
1390 }
1391
1392 static int
1393 mprsas_volume_add(struct mpr_softc *sc, u16 handle)
1394 {
1395         struct mprsas_softc *sassc;
1396         struct mprsas_target *targ;
1397         u64 wwid;
1398         unsigned int id;
1399         int error = 0;
1400         struct mprsas_lun *lun;
1401
1402         sassc = sc->sassc;
1403         mprsas_startup_increment(sassc);
1404         /* wwid is endian safe */
1405         mpr_config_get_volume_wwid(sc, handle, &wwid);
1406         if (!wwid) {
1407                 printf("%s: invalid WWID; cannot add volume to mapping table\n",
1408                     __func__);
1409                 error = ENXIO;
1410                 goto out;
1411         }
1412
1413         id = mpr_mapping_get_raid_tid(sc, wwid, handle);
1414         if (id == MPR_MAP_BAD_ID) {
1415                 printf("%s: could not get ID for volume with handle 0x%04x and "
1416                     "WWID 0x%016llx\n", __func__, handle,
1417                     (unsigned long long)wwid);
1418                 error = ENXIO;
1419                 goto out;
1420         }
1421
1422         targ = &sassc->targets[id];
1423         targ->tid = id;
1424         targ->handle = handle;
1425         targ->devname = wwid;
1426         TAILQ_INIT(&targ->commands);
1427         TAILQ_INIT(&targ->timedout_commands);
1428         while (!SLIST_EMPTY(&targ->luns)) {
1429                 lun = SLIST_FIRST(&targ->luns);
1430                 SLIST_REMOVE_HEAD(&targ->luns, lun_link);
1431                 free(lun, M_MPR);
1432         }
1433         SLIST_INIT(&targ->luns);
1434 #if ((__FreeBSD_version >= 1000000) && (__FreeBSD_version < 1000039)) || \
1435     (__FreeBSD_version < 902502)
1436         if ((sassc->flags & MPRSAS_IN_STARTUP) == 0)
1437 #endif
1438                 mprsas_rescan_target(sc, targ);
1439         mpr_dprint(sc, MPR_MAPPING, "RAID target id %d added (WWID = 0x%jx)\n",
1440             targ->tid, wwid);
1441 out:
1442         mprsas_startup_decrement(sassc);
1443         return (error);
1444 }
1445
1446 /**
1447  * mprsas_SSU_to_SATA_devices
1448  * @sc: per adapter object
1449  *
1450  * Looks through the target list and issues a StartStopUnit SCSI command to each
1451  * SATA direct-access device.  This helps to ensure that data corruption is
1452  * avoided when the system is being shut down.  This must be called after the IR
1453  * System Shutdown RAID Action is sent if in IR mode.
1454  *
1455  * Return nothing.
1456  */
1457 static void
1458 mprsas_SSU_to_SATA_devices(struct mpr_softc *sc, int howto)
1459 {
1460         struct mprsas_softc *sassc = sc->sassc;
1461         union ccb *ccb;
1462         path_id_t pathid = cam_sim_path(sassc->sim);
1463         target_id_t targetid;
1464         struct mprsas_target *target;
1465         char path_str[64];
1466         int timeout;
1467
1468         mpr_lock(sc);
1469
1470         /*
1471          * For each target, issue a StartStopUnit command to stop the device.
1472          */
1473         sc->SSU_started = TRUE;
1474         sc->SSU_refcount = 0;
1475         for (targetid = 0; targetid < sc->max_devices; targetid++) {
1476                 target = &sassc->targets[targetid];
1477                 if (target->handle == 0x0) {
1478                         continue;
1479                 }
1480
1481                 /*
1482                  * The stop_at_shutdown flag will be set if this device is
1483                  * a SATA direct-access end device.
1484                  */
1485                 if (target->stop_at_shutdown) {
1486                         ccb = xpt_alloc_ccb_nowait();
1487                         if (ccb == NULL) {
1488                                 mpr_dprint(sc, MPR_FAULT, "Unable to alloc CCB "
1489                                     "to stop unit.\n");
1490                                 return;
1491                         }
1492
1493                         if (xpt_create_path(&ccb->ccb_h.path, xpt_periph,
1494                             pathid, targetid, CAM_LUN_WILDCARD) !=
1495                             CAM_REQ_CMP) {
1496                                 mpr_dprint(sc, MPR_ERROR, "Unable to create "
1497                                     "path to stop unit.\n");
1498                                 xpt_free_ccb(ccb);
1499                                 return;
1500                         }
1501                         xpt_path_string(ccb->ccb_h.path, path_str,
1502                             sizeof(path_str));
1503
1504                         mpr_dprint(sc, MPR_INFO, "Sending StopUnit: path %s "
1505                             "handle %d\n", path_str, target->handle);
1506
1507                         /*
1508                          * Issue a START STOP UNIT command for the target.
1509                          * Increment the SSU counter to be used to count the
1510                          * number of required replies.
1511                          */
1512                         mpr_dprint(sc, MPR_INFO, "Incrementing SSU count\n");
1513                         sc->SSU_refcount++;
1514                         ccb->ccb_h.target_id =
1515                             xpt_path_target_id(ccb->ccb_h.path);
1516                         ccb->ccb_h.ppriv_ptr1 = sassc;
1517                         scsi_start_stop(&ccb->csio,
1518                             /*retries*/0,
1519                             mprsas_stop_unit_done,
1520                             MSG_SIMPLE_Q_TAG,
1521                             /*start*/FALSE,
1522                             /*load/eject*/0,
1523                             /*immediate*/FALSE,
1524                             MPR_SENSE_LEN,
1525                             /*timeout*/10000);
1526                         xpt_action(ccb);
1527                 }
1528         }
1529
1530         mpr_unlock(sc);
1531
1532         /*
1533          * Timeout after 60 seconds by default or 10 seconds if howto has
1534          * RB_NOSYNC set which indicates we're likely handling a panic.
1535          */
1536         timeout = 600;
1537         if (howto & RB_NOSYNC)
1538                 timeout = 100;
1539
1540         /*
1541          * Wait until all of the SSU commands have completed or time
1542          * has expired. Pause for 100ms each time through.  If any
1543          * command times out, the target will be reset in the SCSI
1544          * command timeout routine.
1545          */
1546         while (sc->SSU_refcount > 0) {
1547                 pause("mprwait", hz/10);
1548                 if (SCHEDULER_STOPPED())
1549                         xpt_sim_poll(sassc->sim);
1550
1551                 if (--timeout == 0) {
1552                         mpr_dprint(sc, MPR_ERROR, "Time has expired waiting "
1553                             "for SSU commands to complete.\n");
1554                         break;
1555                 }
1556         }
1557 }
1558
1559 static void
1560 mprsas_stop_unit_done(struct cam_periph *periph, union ccb *done_ccb)
1561 {
1562         struct mprsas_softc *sassc;
1563         char path_str[64];
1564
1565         if (done_ccb == NULL)
1566                 return;
1567
1568         sassc = (struct mprsas_softc *)done_ccb->ccb_h.ppriv_ptr1;
1569
1570         xpt_path_string(done_ccb->ccb_h.path, path_str, sizeof(path_str));
1571         mpr_dprint(sassc->sc, MPR_INFO, "Completing stop unit for %s\n",
1572             path_str);
1573
1574         /*
1575          * Nothing more to do except free the CCB and path.  If the command
1576          * timed out, an abort reset, then target reset will be issued during
1577          * the SCSI Command process.
1578          */
1579         xpt_free_path(done_ccb->ccb_h.path);
1580         xpt_free_ccb(done_ccb);
1581 }
1582
1583 /**
1584  * mprsas_ir_shutdown - IR shutdown notification
1585  * @sc: per adapter object
1586  *
1587  * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that
1588  * the host system is shutting down.
1589  *
1590  * Return nothing.
1591  */
1592 void
1593 mprsas_ir_shutdown(struct mpr_softc *sc, int howto)
1594 {
1595         u16 volume_mapping_flags;
1596         u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1597         struct dev_mapping_table *mt_entry;
1598         u32 start_idx, end_idx;
1599         unsigned int id, found_volume = 0;
1600         struct mpr_command *cm;
1601         Mpi2RaidActionRequest_t *action;
1602         target_id_t targetid;
1603         struct mprsas_target *target;
1604
1605         mpr_dprint(sc, MPR_TRACE, "%s\n", __func__);
1606
1607         /* is IR firmware build loaded? */
1608         if (!sc->ir_firmware)
1609                 goto out;
1610
1611         /* are there any volumes?  Look at IR target IDs. */
1612         // TODO-later, this should be looked up in the RAID config structure
1613         // when it is implemented.
1614         volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) &
1615             MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
1616         if (volume_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) {
1617                 start_idx = 0;
1618                 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0)
1619                         start_idx = 1;
1620         } else
1621                 start_idx = sc->max_devices - sc->max_volumes;
1622         end_idx = start_idx + sc->max_volumes - 1;
1623
1624         for (id = start_idx; id < end_idx; id++) {
1625                 mt_entry = &sc->mapping_table[id];
1626                 if ((mt_entry->physical_id != 0) &&
1627                     (mt_entry->missing_count == 0)) {
1628                         found_volume = 1;
1629                         break;
1630                 }
1631         }
1632
1633         if (!found_volume)
1634                 goto out;
1635
1636         if ((cm = mpr_alloc_command(sc)) == NULL) {
1637                 printf("%s: command alloc failed\n", __func__);
1638                 goto out;
1639         }
1640
1641         action = (MPI2_RAID_ACTION_REQUEST *)cm->cm_req;
1642         action->Function = MPI2_FUNCTION_RAID_ACTION;
1643         action->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED;
1644         cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
1645         mpr_lock(sc);
1646         mpr_wait_command(sc, &cm, 5, CAN_SLEEP);
1647         mpr_unlock(sc);
1648
1649         /*
1650          * Don't check for reply, just leave.
1651          */
1652         if (cm)
1653                 mpr_free_command(sc, cm);
1654
1655 out:
1656         /*
1657          * All of the targets must have the correct value set for
1658          * 'stop_at_shutdown' for the current 'enable_ssu' sysctl variable.
1659          *
1660          * The possible values for the 'enable_ssu' variable are:
1661          * 0: disable to SSD and HDD
1662          * 1: disable only to HDD (default)
1663          * 2: disable only to SSD
1664          * 3: enable to SSD and HDD
1665          * anything else will default to 1.
1666          */
1667         for (targetid = 0; targetid < sc->max_devices; targetid++) {
1668                 target = &sc->sassc->targets[targetid];
1669                 if (target->handle == 0x0) {
1670                         continue;
1671                 }
1672
1673                 if (target->supports_SSU) {
1674                         switch (sc->enable_ssu) {
1675                         case MPR_SSU_DISABLE_SSD_DISABLE_HDD:
1676                                 target->stop_at_shutdown = FALSE;
1677                                 break;
1678                         case MPR_SSU_DISABLE_SSD_ENABLE_HDD:
1679                                 target->stop_at_shutdown = TRUE;
1680                                 if (target->flags & MPR_TARGET_IS_SATA_SSD) {
1681                                         target->stop_at_shutdown = FALSE;
1682                                 }
1683                                 break;
1684                         case MPR_SSU_ENABLE_SSD_ENABLE_HDD:
1685                                 target->stop_at_shutdown = TRUE;
1686                                 break;
1687                         case MPR_SSU_ENABLE_SSD_DISABLE_HDD:
1688                         default:
1689                                 target->stop_at_shutdown = TRUE;
1690                                 if ((target->flags &
1691                                     MPR_TARGET_IS_SATA_SSD) == 0) {
1692                                         target->stop_at_shutdown = FALSE;
1693                                 }
1694                                 break;
1695                         }
1696                 }
1697         }
1698         mprsas_SSU_to_SATA_devices(sc, howto);
1699 }