sys/dev/mps/mps_sas_lsi.c

   1 /*-
   2  * Copyright (c) 2011-2015 LSI Corp.
   3  * Copyright (c) 2013-2015 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) MPT2 */
  34
  35 /* TODO Move headers to mpsvar */
  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/mps/mpi/mpi2_type.h>
  71 #include <dev/mps/mpi/mpi2.h>
  72 #include <dev/mps/mpi/mpi2_ioc.h>
  73 #include <dev/mps/mpi/mpi2_sas.h>
  74 #include <dev/mps/mpi/mpi2_cnfg.h>
  75 #include <dev/mps/mpi/mpi2_init.h>
  76 #include <dev/mps/mpi/mpi2_raid.h>
  77 #include <dev/mps/mpi/mpi2_tool.h>
  78 #include <dev/mps/mps_ioctl.h>
  79 #include <dev/mps/mpsvar.h>
  80 #include <dev/mps/mps_table.h>
  81 #include <dev/mps/mps_sas.h>
  82
  83 /* For Hashed SAS Address creation for SATA Drives */
  84 #define MPT2SAS_SN_LEN 20
  85 #define MPT2SAS_MN_LEN 40
  86
  87 struct mps_fw_event_work {
  88         u16                     event;
  89         void                    *event_data;
  90         TAILQ_ENTRY(mps_fw_event_work)  ev_link;
  91 };
  92
  93 union _sata_sas_address {
  94         u8 wwid[8];
  95         struct {
  96                 u32 high;
  97                 u32 low;
  98         } word;
  99 };
 100
 101 /*
 102  * define the IDENTIFY DEVICE structure
 103  */
 104 struct _ata_identify_device_data {
 105         u16 reserved1[10];      /* 0-9 */
 106         u16 serial_number[10];  /* 10-19 */
 107         u16 reserved2[7];       /* 20-26 */
 108         u16 model_number[20];   /* 27-46*/
 109         u16 reserved3[170];     /* 47-216 */
 110         u16 rotational_speed;   /* 217 */
 111         u16 reserved4[38];      /* 218-255 */
 112 };
 113 static u32 event_count;
 114 static void mpssas_fw_work(struct mps_softc *sc,
 115     struct mps_fw_event_work *fw_event);
 116 static void mpssas_fw_event_free(struct mps_softc *,
 117     struct mps_fw_event_work *);
 118 static int mpssas_add_device(struct mps_softc *sc, u16 handle, u8 linkrate);
 119 static int mpssas_get_sata_identify(struct mps_softc *sc, u16 handle,
 120     Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz,
 121     u32 devinfo);
 122 static void mpssas_ata_id_timeout(void *data);
 123 int mpssas_get_sas_address_for_sata_disk(struct mps_softc *sc,
 124     u64 *sas_address, u16 handle, u32 device_info, u8 *is_SATA_SSD);
 125 static int mpssas_volume_add(struct mps_softc *sc,
 126     u16 handle);
 127 static void mpssas_SSU_to_SATA_devices(struct mps_softc *sc);
 128 static void mpssas_stop_unit_done(struct cam_periph *periph,
 129     union ccb *done_ccb);
 130
 131 void
 132 mpssas_evt_handler(struct mps_softc *sc, uintptr_t data,
 133     MPI2_EVENT_NOTIFICATION_REPLY *event)
 134 {
 135         struct mps_fw_event_work *fw_event;
 136         u16 sz;
 137
 138         mps_dprint(sc, MPS_TRACE, "%s\n", __func__);
 139         MPS_DPRINT_EVENT(sc, sas, event);
 140         mpssas_record_event(sc, event);
 141
 142         fw_event = malloc(sizeof(struct mps_fw_event_work), M_MPT2,
 143              M_ZERO|M_NOWAIT);
 144         if (!fw_event) {
 145                 printf("%s: allocate failed for fw_event\n", __func__);
 146                 return;
 147         }
 148         sz = le16toh(event->EventDataLength) * 4;
 149         fw_event->event_data = malloc(sz, M_MPT2, M_ZERO|M_NOWAIT);
 150         if (!fw_event->event_data) {
 151                 printf("%s: allocate failed for event_data\n", __func__);
 152                 free(fw_event, M_MPT2);
 153                 return;
 154         }
 155
 156         bcopy(event->EventData, fw_event->event_data, sz);
 157         fw_event->event = event->Event;
 158         if ((event->Event == MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST ||
 159             event->Event == MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE ||
 160             event->Event == MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST) &&
 161             sc->track_mapping_events)
 162                 sc->pending_map_events++;
 163
 164         /*
 165          * When wait_for_port_enable flag is set, make sure that all the events
 166          * are processed. Increment the startup_refcount and decrement it after
 167          * events are processed.
 168          */
 169         if ((event->Event == MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST ||
 170             event->Event == MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST) &&
 171             sc->wait_for_port_enable)
 172                 mpssas_startup_increment(sc->sassc);
 173
 174         TAILQ_INSERT_TAIL(&sc->sassc->ev_queue, fw_event, ev_link);
 175         taskqueue_enqueue(sc->sassc->ev_tq, &sc->sassc->ev_task);
 176
 177 }
 178
 179 static void
 180 mpssas_fw_event_free(struct mps_softc *sc, struct mps_fw_event_work *fw_event)
 181 {
 182
 183         free(fw_event->event_data, M_MPT2);
 184         free(fw_event, M_MPT2);
 185 }
 186
 187 /**
 188  * _mps_fw_work - delayed task for processing firmware events
 189  * @sc: per adapter object
 190  * @fw_event: The fw_event_work object
 191  * Context: user.
 192  *
 193  * Return nothing.
 194  */
 195 static void
 196 mpssas_fw_work(struct mps_softc *sc, struct mps_fw_event_work *fw_event)
 197 {
 198         struct mpssas_softc *sassc;
 199         sassc = sc->sassc;
 200
 201         mps_dprint(sc, MPS_EVENT, "(%d)->(%s) Working on  Event: [%x]\n",
 202                         event_count++,__func__,fw_event->event);
 203         switch (fw_event->event) {
 204         case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
 205         {
 206                 MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST *data;
 207                 MPI2_EVENT_SAS_TOPO_PHY_ENTRY *phy;
 208                 int i;
 209
 210                 data = (MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST *)
 211                     fw_event->event_data;
 212
 213                 mps_mapping_topology_change_event(sc, fw_event->event_data);
 214
 215                 for (i = 0; i < data->NumEntries; i++) {
 216                         phy = &data->PHY[i];
 217                         switch (phy->PhyStatus & MPI2_EVENT_SAS_TOPO_RC_MASK) {
 218                         case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
 219                                 if (mpssas_add_device(sc,
 220                                     le16toh(phy->AttachedDevHandle),
 221                                     phy->LinkRate)){
 222                                         mps_dprint(sc, MPS_ERROR, "%s: "
 223                                             "failed to add device with handle "
 224                                             "0x%x\n", __func__,
 225                                             le16toh(phy->AttachedDevHandle));
 226                                         mpssas_prepare_remove(sassc, le16toh(
 227                                                 phy->AttachedDevHandle));
 228                                 }
 229                                 break;
 230                         case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING:
 231                                 mpssas_prepare_remove(sassc,le16toh(
 232                                         phy->AttachedDevHandle));
 233                                 break;
 234                         case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
 235                         case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE:
 236                         case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING:
 237                         default:
 238                                 break;
 239                         }
 240                 }
 241                 /*
 242                  * refcount was incremented for this event in
 243                  * mpssas_evt_handler.  Decrement it here because the event has
 244                  * been processed.
 245                  */
 246                 mpssas_startup_decrement(sassc);
 247                 break;
 248         }
 249         case MPI2_EVENT_SAS_DISCOVERY:
 250         {
 251                 MPI2_EVENT_DATA_SAS_DISCOVERY *data;
 252
 253                 data = (MPI2_EVENT_DATA_SAS_DISCOVERY *)fw_event->event_data;
 254
 255                 if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_STARTED)
 256                         mps_dprint(sc, MPS_TRACE,"SAS discovery start event\n");
 257                 if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_COMPLETED) {
 258                         mps_dprint(sc, MPS_TRACE,"SAS discovery stop event\n");
 259                         sassc->flags &= ~MPSSAS_IN_DISCOVERY;
 260                         mpssas_discovery_end(sassc);
 261                 }
 262                 break;
 263         }
 264         case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
 265         {
 266                 Mpi2EventDataSasEnclDevStatusChange_t *data;
 267                 data = (Mpi2EventDataSasEnclDevStatusChange_t *)
 268                     fw_event->event_data;
 269                 mps_mapping_enclosure_dev_status_change_event(sc,
 270                     fw_event->event_data);
 271                 break;
 272         }
 273         case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
 274         {
 275                 Mpi2EventIrConfigElement_t *element;
 276                 int i;
 277                 u8 foreign_config;
 278                 Mpi2EventDataIrConfigChangeList_t *event_data;
 279                 struct mpssas_target *targ;
 280                 unsigned int id;
 281
 282                 event_data = fw_event->event_data;
 283                 foreign_config = (le32toh(event_data->Flags) &
 284                     MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0;
 285
 286                 element =
 287                     (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
 288                 id = mps_mapping_get_raid_tid_from_handle(sc,
 289                     element->VolDevHandle);
 290
 291                 mps_mapping_ir_config_change_event(sc, event_data);
 292
 293                 for (i = 0; i < event_data->NumElements; i++, element++) {
 294                         switch (element->ReasonCode) {
 295                         case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED:
 296                         case MPI2_EVENT_IR_CHANGE_RC_ADDED:
 297                                 if (!foreign_config) {
 298                                         if (mpssas_volume_add(sc,
 299                                             le16toh(element->VolDevHandle))){
 300                                                 printf("%s: failed to add RAID "
 301                                                     "volume with handle 0x%x\n",
 302                                                     __func__, le16toh(element->
 303                                                     VolDevHandle));
 304                                         }
 305                                 }
 306                                 break;
 307                         case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED:
 308                         case MPI2_EVENT_IR_CHANGE_RC_REMOVED:
 309                                 /*
 310                                  * Rescan after volume is deleted or removed.
 311                                  */
 312                                 if (!foreign_config) {
 313                                         if (id == MPS_MAP_BAD_ID) {
 314                                                 printf("%s: could not get ID "
 315                                                     "for volume with handle "
 316                                                     "0x%04x\n", __func__,
 317                                                     le16toh(element->VolDevHandle));
 318                                                 break;
 319                                         }
 320
 321                                         targ = &sassc->targets[id];
 322                                         targ->handle = 0x0;
 323                                         targ->encl_slot = 0x0;
 324                                         targ->encl_handle = 0x0;
 325                                         targ->exp_dev_handle = 0x0;
 326                                         targ->phy_num = 0x0;
 327                                         targ->linkrate = 0x0;
 328                                         mpssas_rescan_target(sc, targ);
 329                                         printf("RAID target id 0x%x removed\n",
 330                                             targ->tid);
 331                                 }
 332                                 break;
 333                         case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED:
 334                         case MPI2_EVENT_IR_CHANGE_RC_HIDE:
 335                                 /*
 336                                  * Phys Disk of a volume has been created.  Hide
 337                                  * it from the OS.
 338                                  */
 339                                 targ = mpssas_find_target_by_handle(sassc, 0,
 340                                     element->PhysDiskDevHandle);
 341                                 if (targ == NULL)
 342                                         break;
 343
 344                                 /*
 345                                  * Set raid component flags only if it is not
 346                                  * WD. OR WrapDrive with
 347                                  * WD_HIDE_ALWAYS/WD_HIDE_IF_VOLUME is set in
 348                                  * NVRAM
 349                                  */
 350                                 if((!sc->WD_available) ||
 351                                 ((sc->WD_available &&
 352                                 (sc->WD_hide_expose == MPS_WD_HIDE_ALWAYS)) ||
 353                                 (sc->WD_valid_config && (sc->WD_hide_expose ==
 354                                 MPS_WD_HIDE_IF_VOLUME)))) {
 355                                         targ->flags |= MPS_TARGET_FLAGS_RAID_COMPONENT;
 356                                 }
 357                                 mpssas_rescan_target(sc, targ);
 358
 359                                 break;
 360                         case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED:
 361                                 /*
 362                                  * Phys Disk of a volume has been deleted.
 363                                  * Expose it to the OS.
 364                                  */
 365                                 if (mpssas_add_device(sc,
 366                                     le16toh(element->PhysDiskDevHandle), 0)){
 367                                         printf("%s: failed to add device with "
 368                                             "handle 0x%x\n", __func__,
 369                                             le16toh(element->PhysDiskDevHandle));
 370                                         mpssas_prepare_remove(sassc, le16toh(element->
 371                                             PhysDiskDevHandle));
 372                                 }
 373                                 break;
 374                         }
 375                 }
 376                 /*
 377                  * refcount was incremented for this event in
 378                  * mpssas_evt_handler.  Decrement it here because the event has
 379                  * been processed.
 380                  */
 381                 mpssas_startup_decrement(sassc);
 382                 break;
 383         }
 384         case MPI2_EVENT_IR_VOLUME:
 385         {
 386                 Mpi2EventDataIrVolume_t *event_data = fw_event->event_data;
 387
 388                 /*
 389                  * Informational only.
 390                  */
 391                 mps_dprint(sc, MPS_EVENT, "Received IR Volume event:\n");
 392                 switch (event_data->ReasonCode) {
 393                 case MPI2_EVENT_IR_VOLUME_RC_SETTINGS_CHANGED:
 394                         mps_dprint(sc, MPS_EVENT, "   Volume Settings "
 395                             "changed from 0x%x to 0x%x for Volome with "
 396                             "handle 0x%x", le32toh(event_data->PreviousValue),
 397                             le32toh(event_data->NewValue),
 398                             le16toh(event_data->VolDevHandle));
 399                         break;
 400                 case MPI2_EVENT_IR_VOLUME_RC_STATUS_FLAGS_CHANGED:
 401                         mps_dprint(sc, MPS_EVENT, "   Volume Status "
 402                             "changed from 0x%x to 0x%x for Volome with "
 403                             "handle 0x%x", le32toh(event_data->PreviousValue),
 404                             le32toh(event_data->NewValue),
 405                             le16toh(event_data->VolDevHandle));
 406                         break;
 407                 case MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED:
 408                         mps_dprint(sc, MPS_EVENT, "   Volume State "
 409                             "changed from 0x%x to 0x%x for Volome with "
 410                             "handle 0x%x", le32toh(event_data->PreviousValue),
 411                             le32toh(event_data->NewValue),
 412                             le16toh(event_data->VolDevHandle));
 413                                 u32 state;
 414                                 struct mpssas_target *targ;
 415                                 state = le32toh(event_data->NewValue);
 416                                 switch (state) {
 417                                 case MPI2_RAID_VOL_STATE_MISSING:
 418                                 case MPI2_RAID_VOL_STATE_FAILED:
 419                                         mpssas_prepare_volume_remove(sassc, event_data->
 420                                                         VolDevHandle);
 421                                         break;
 422
 423                                 case MPI2_RAID_VOL_STATE_ONLINE:
 424                                 case MPI2_RAID_VOL_STATE_DEGRADED:
 425                                 case MPI2_RAID_VOL_STATE_OPTIMAL:
 426                                         targ = mpssas_find_target_by_handle(sassc, 0, event_data->VolDevHandle);
 427                                         if (targ) {
 428                                                 printf("%s %d: Volume handle 0x%x is already added \n",
 429                                                                 __func__, __LINE__ , event_data->VolDevHandle);
 430                                                 break;
 431                                         }
 432                                         if (mpssas_volume_add(sc, le16toh(event_data->VolDevHandle))) {
 433                                                 printf("%s: failed to add RAID "
 434                                                         "volume with handle 0x%x\n",
 435                                                         __func__, le16toh(event_data->
 436                                                         VolDevHandle));
 437                                         }
 438                                         break;
 439                                 default:
 440                                         break;
 441                                 }
 442                         break;
 443                 default:
 444                         break;
 445                 }
 446                 break;
 447         }
 448         case MPI2_EVENT_IR_PHYSICAL_DISK:
 449         {
 450                 Mpi2EventDataIrPhysicalDisk_t *event_data =
 451                     fw_event->event_data;
 452                 struct mpssas_target *targ;
 453
 454                 /*
 455                  * Informational only.
 456                  */
 457                 mps_dprint(sc, MPS_EVENT, "Received IR Phys Disk event:\n");
 458                 switch (event_data->ReasonCode) {
 459                 case MPI2_EVENT_IR_PHYSDISK_RC_SETTINGS_CHANGED:
 460                         mps_dprint(sc, MPS_EVENT, "   Phys Disk Settings "
 461                             "changed from 0x%x to 0x%x for Phys Disk Number "
 462                             "%d and handle 0x%x at Enclosure handle 0x%x, Slot "
 463                             "%d", le32toh(event_data->PreviousValue),
 464                             le32toh(event_data->NewValue),
 465                                 event_data->PhysDiskNum,
 466                             le16toh(event_data->PhysDiskDevHandle),
 467                             le16toh(event_data->EnclosureHandle), le16toh(event_data->Slot));
 468                         break;
 469                 case MPI2_EVENT_IR_PHYSDISK_RC_STATUS_FLAGS_CHANGED:
 470                         mps_dprint(sc, MPS_EVENT, "   Phys Disk Status changed "
 471                             "from 0x%x to 0x%x for Phys Disk Number %d and "
 472                             "handle 0x%x at Enclosure handle 0x%x, Slot %d",
 473                                 le32toh(event_data->PreviousValue),
 474                             le32toh(event_data->NewValue), event_data->PhysDiskNum,
 475                             le16toh(event_data->PhysDiskDevHandle),
 476                             le16toh(event_data->EnclosureHandle), le16toh(event_data->Slot));
 477                         break;
 478                 case MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED:
 479                         mps_dprint(sc, MPS_EVENT, "   Phys Disk State changed "
 480                             "from 0x%x to 0x%x for Phys Disk Number %d and "
 481                             "handle 0x%x at Enclosure handle 0x%x, Slot %d",
 482                                 le32toh(event_data->PreviousValue),
 483                             le32toh(event_data->NewValue), event_data->PhysDiskNum,
 484                             le16toh(event_data->PhysDiskDevHandle),
 485                             le16toh(event_data->EnclosureHandle), le16toh(event_data->Slot));
 486                         switch (event_data->NewValue) {
 487                                 case MPI2_RAID_PD_STATE_ONLINE:
 488                                 case MPI2_RAID_PD_STATE_DEGRADED:
 489                                 case MPI2_RAID_PD_STATE_REBUILDING:
 490                                 case MPI2_RAID_PD_STATE_OPTIMAL:
 491                                 case MPI2_RAID_PD_STATE_HOT_SPARE:
 492                                         targ = mpssas_find_target_by_handle(sassc, 0,
 493                                                         event_data->PhysDiskDevHandle);
 494                                         if (targ) {
 495                                                 if(!sc->WD_available) {
 496                                                         targ->flags |= MPS_TARGET_FLAGS_RAID_COMPONENT;
 497                                                         printf("%s %d: Found Target for handle 0x%x.  \n",
 498                                                         __func__, __LINE__ , event_data->PhysDiskDevHandle);
 499                                                 } else if ((sc->WD_available &&
 500                                                         (sc->WD_hide_expose == MPS_WD_HIDE_ALWAYS)) ||
 501                                                         (sc->WD_valid_config && (sc->WD_hide_expose ==
 502                                                         MPS_WD_HIDE_IF_VOLUME))) {
 503                                                         targ->flags |= MPS_TARGET_FLAGS_RAID_COMPONENT;
 504                                                         printf("%s %d: WD: Found Target for handle 0x%x.  \n",
 505                                                         __func__, __LINE__ , event_data->PhysDiskDevHandle);
 506                                                 }
 507                                         }
 508                                 break;
 509                                 case MPI2_RAID_PD_STATE_OFFLINE:
 510                                 case MPI2_RAID_PD_STATE_NOT_CONFIGURED:
 511                                 case MPI2_RAID_PD_STATE_NOT_COMPATIBLE:
 512                                 default:
 513                                         targ = mpssas_find_target_by_handle(sassc, 0,
 514                                                         event_data->PhysDiskDevHandle);
 515                                         if (targ) {
 516                                                 targ->flags |= ~MPS_TARGET_FLAGS_RAID_COMPONENT;
 517                                                 printf("%s %d: Found Target for handle 0x%x.  \n",
 518                                                 __func__, __LINE__ , event_data->PhysDiskDevHandle);
 519                                         }
 520                                 break;
 521                         }
 522                 default:
 523                         break;
 524                 }
 525                 break;
 526         }
 527         case MPI2_EVENT_IR_OPERATION_STATUS:
 528         {
 529                 Mpi2EventDataIrOperationStatus_t *event_data =
 530                     fw_event->event_data;
 531
 532                 /*
 533                  * Informational only.
 534                  */
 535                 mps_dprint(sc, MPS_EVENT, "Received IR Op Status event:\n");
 536                 mps_dprint(sc, MPS_EVENT, "   RAID Operation of %d is %d "
 537                     "percent complete for Volume with handle 0x%x",
 538                     event_data->RAIDOperation, event_data->PercentComplete,
 539                     le16toh(event_data->VolDevHandle));
 540                 break;
 541         }
 542         case MPI2_EVENT_LOG_ENTRY_ADDED:
 543         {
 544                 pMpi2EventDataLogEntryAdded_t   logEntry;
 545                 uint16_t                        logQualifier;
 546                 uint8_t                         logCode;
 547
 548                 logEntry = (pMpi2EventDataLogEntryAdded_t)fw_event->event_data;
 549                 logQualifier = logEntry->LogEntryQualifier;
 550
 551                 if (logQualifier == MPI2_WD_LOG_ENTRY) {
 552                         logCode = logEntry->LogData[0];
 553
 554                         switch (logCode) {
 555                         case MPI2_WD_SSD_THROTTLING:
 556                                 printf("WarpDrive Warning: IO Throttling has "
 557                                     "occurred in the WarpDrive subsystem. "
 558                                     "Check WarpDrive documentation for "
 559                                     "additional details\n");
 560                                 break;
 561                         case MPI2_WD_DRIVE_LIFE_WARN:
 562                                 printf("WarpDrive Warning: Program/Erase "
 563                                     "Cycles for the WarpDrive subsystem in "
 564                                     "degraded range. Check WarpDrive "
 565                                     "documentation for additional details\n");
 566                                 break;
 567                         case MPI2_WD_DRIVE_LIFE_DEAD:
 568                                 printf("WarpDrive Fatal Error: There are no "
 569                                     "Program/Erase Cycles for the WarpDrive "
 570                                     "subsystem. The storage device will be in "
 571                                     "read-only mode. Check WarpDrive "
 572                                     "documentation for additional details\n");
 573                                 break;
 574                         case MPI2_WD_RAIL_MON_FAIL:
 575                                 printf("WarpDrive Fatal Error: The Backup Rail "
 576                                     "Monitor has failed on the WarpDrive "
 577                                     "subsystem. Check WarpDrive documentation "
 578                                     "for additional details\n");
 579                                 break;
 580                         default:
 581                                 break;
 582                         }
 583                 }
 584                 break;
 585         }
 586         case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
 587         case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
 588         default:
 589                 mps_dprint(sc, MPS_TRACE,"Unhandled event 0x%0X\n",
 590                     fw_event->event);
 591                 break;
 592
 593         }
 594         mps_dprint(sc, MPS_EVENT, "(%d)->(%s) Event Free: [%x]\n",event_count,__func__, fw_event->event);
 595         mpssas_fw_event_free(sc, fw_event);
 596 }
 597
 598 void
 599 mpssas_firmware_event_work(void *arg, int pending)
 600 {
 601         struct mps_fw_event_work *fw_event;
 602         struct mps_softc *sc;
 603
 604         sc = (struct mps_softc *)arg;
 605         mps_lock(sc);
 606         while ((fw_event = TAILQ_FIRST(&sc->sassc->ev_queue)) != NULL) {
 607                 TAILQ_REMOVE(&sc->sassc->ev_queue, fw_event, ev_link);
 608                 mpssas_fw_work(sc, fw_event);
 609         }
 610         mps_unlock(sc);
 611 }
 612
 613 static int
 614 mpssas_add_device(struct mps_softc *sc, u16 handle, u8 linkrate){
 615         char devstring[80];
 616         struct mpssas_softc *sassc;
 617         struct mpssas_target *targ;
 618         Mpi2ConfigReply_t mpi_reply;
 619         Mpi2SasDevicePage0_t config_page;
 620         uint64_t sas_address;
 621         uint64_t parent_sas_address = 0;
 622         u32 device_info, parent_devinfo = 0;
 623         unsigned int id;
 624         int ret = 1, error = 0, i;
 625         struct mpssas_lun *lun;
 626         u8 is_SATA_SSD = 0;
 627         struct mps_command *cm;
 628
 629         sassc = sc->sassc;
 630         mpssas_startup_increment(sassc);
 631         if (mps_config_get_sas_device_pg0(sc, &mpi_reply, &config_page,
 632             MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle) != 0) {
 633                 mps_dprint(sc, MPS_INFO|MPS_MAPPING|MPS_FAULT,
 634                     "Error reading SAS device %#x page0, iocstatus= 0x%x\n",
 635                     handle, mpi_reply.IOCStatus);
 636                 error = ENXIO;
 637                 goto out;
 638         }
 639
 640         device_info = le32toh(config_page.DeviceInfo);
 641
 642         if (((device_info & MPI2_SAS_DEVICE_INFO_SMP_TARGET) == 0)
 643          && (le16toh(config_page.ParentDevHandle) != 0)) {
 644                 Mpi2ConfigReply_t tmp_mpi_reply;
 645                 Mpi2SasDevicePage0_t parent_config_page;
 646
 647                 if (mps_config_get_sas_device_pg0(sc, &tmp_mpi_reply,
 648                     &parent_config_page, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
 649                     le16toh(config_page.ParentDevHandle)) != 0) {
 650                         mps_dprint(sc, MPS_MAPPING|MPS_FAULT,
 651                             "Error reading parent SAS device %#x page0, "
 652                             "iocstatus= 0x%x\n",
 653                             le16toh(config_page.ParentDevHandle),
 654                             tmp_mpi_reply.IOCStatus);
 655                 } else {
 656                         parent_sas_address = parent_config_page.SASAddress.High;
 657                         parent_sas_address = (parent_sas_address << 32) |
 658                                 parent_config_page.SASAddress.Low;
 659                         parent_devinfo = le32toh(parent_config_page.DeviceInfo);
 660                 }
 661         }
 662         /* TODO Check proper endianness */
 663         sas_address = config_page.SASAddress.High;
 664         sas_address = (sas_address << 32) | config_page.SASAddress.Low;
 665         mps_dprint(sc, MPS_MAPPING, "Handle 0x%04x SAS Address from SAS device "
 666             "page0 = %jx\n", handle, sas_address);
 667
 668         /*
 669          * Always get SATA Identify information because this is used to
 670          * determine if Start/Stop Unit should be sent to the drive when the
 671          * system is shutdown.
 672          */
 673         if (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE) {
 674                 ret = mpssas_get_sas_address_for_sata_disk(sc, &sas_address,
 675                     handle, device_info, &is_SATA_SSD);
 676                 if (ret) {
 677                         mps_dprint(sc, MPS_MAPPING|MPS_ERROR,
 678                             "%s: failed to get disk type (SSD or HDD) for SATA "
 679                             "device with handle 0x%04x\n",
 680                             __func__, handle);
 681                 } else {
 682                         mps_dprint(sc, MPS_MAPPING, "Handle 0x%04x SAS Address "
 683                             "from SATA device = %jx\n", handle, sas_address);
 684                 }
 685         }
 686
 687         /*
 688          * use_phynum:
 689          *  1 - use the PhyNum field as a fallback to the mapping logic
 690          *  0 - never use the PhyNum field
 691          * -1 - only use the PhyNum field
 692          *
 693          * Note that using the Phy number to map a device can cause device adds
 694          * to fail if multiple enclosures/expanders are in the topology. For
 695          * example, if two devices are in the same slot number in two different
 696          * enclosures within the topology, only one of those devices will be
 697          * added. PhyNum mapping should not be used if multiple enclosures are
 698          * in the topology.
 699          */
 700         id = MPS_MAP_BAD_ID;
 701         if (sc->use_phynum != -1)
 702                 id = mps_mapping_get_tid(sc, sas_address, handle);
 703         if (id == MPS_MAP_BAD_ID) {
 704                 if ((sc->use_phynum == 0)
 705                  || ((id = config_page.PhyNum) > sassc->maxtargets)) {
 706                         mps_dprint(sc, MPS_INFO, "failure at %s:%d/%s()! "
 707                             "Could not get ID for device with handle 0x%04x\n",
 708                             __FILE__, __LINE__, __func__, handle);
 709                         error = ENXIO;
 710                         goto out;
 711                 }
 712         }
 713         mps_dprint(sc, MPS_MAPPING, "%s: Target ID for added device is %d.\n",
 714             __func__, id);
 715
 716         /*
 717          * Only do the ID check and reuse check if the target is not from a
 718          * RAID Component. For Physical Disks of a Volume, the ID will be reused
 719          * when a volume is deleted because the mapping entry for the PD will
 720          * still be in the mapping table. The ID check should not be done here
 721          * either since this PD is already being used.
 722          */
 723         targ = &sassc->targets[id];
 724         if (!(targ->flags & MPS_TARGET_FLAGS_RAID_COMPONENT)) {
 725                 if (mpssas_check_id(sassc, id) != 0) {
 726                         mps_dprint(sc, MPS_MAPPING|MPS_INFO,
 727                             "Excluding target id %d\n", id);
 728                         error = ENXIO;
 729                         goto out;
 730                 }
 731
 732                 if (targ->handle != 0x0) {
 733                         mps_dprint(sc, MPS_MAPPING, "Attempting to reuse "
 734                             "target id %d handle 0x%04x\n", id, targ->handle);
 735                         error = ENXIO;
 736                         goto out;
 737                 }
 738         }
 739
 740         targ->devinfo = device_info;
 741         targ->devname = le32toh(config_page.DeviceName.High);
 742         targ->devname = (targ->devname << 32) |
 743             le32toh(config_page.DeviceName.Low);
 744         targ->encl_handle = le16toh(config_page.EnclosureHandle);
 745         targ->encl_slot = le16toh(config_page.Slot);
 746         targ->handle = handle;
 747         targ->parent_handle = le16toh(config_page.ParentDevHandle);
 748         targ->sasaddr = mps_to_u64(&config_page.SASAddress);
 749         targ->parent_sasaddr = le64toh(parent_sas_address);
 750         targ->parent_devinfo = parent_devinfo;
 751         targ->tid = id;
 752         targ->linkrate = (linkrate>>4);
 753         targ->flags = 0;
 754         if (is_SATA_SSD) {
 755                 targ->flags = MPS_TARGET_IS_SATA_SSD;
 756         }
 757         TAILQ_INIT(&targ->commands);
 758         TAILQ_INIT(&targ->timedout_commands);
 759         while(!SLIST_EMPTY(&targ->luns)) {
 760                 lun = SLIST_FIRST(&targ->luns);
 761                 SLIST_REMOVE_HEAD(&targ->luns, lun_link);
 762                 free(lun, M_MPT2);
 763         }
 764         SLIST_INIT(&targ->luns);
 765
 766         mps_describe_devinfo(targ->devinfo, devstring, 80);
 767         mps_dprint(sc, MPS_MAPPING, "Found device <%s> <%s> <0x%04x> <%d/%d>\n",
 768             devstring, mps_describe_table(mps_linkrate_names, targ->linkrate),
 769             targ->handle, targ->encl_handle, targ->encl_slot);
 770
 771 #if __FreeBSD_version < 1000039
 772         if ((sassc->flags & MPSSAS_IN_STARTUP) == 0)
 773 #endif
 774                 mpssas_rescan_target(sc, targ);
 775         mps_dprint(sc, MPS_MAPPING, "Target id 0x%x added\n", targ->tid);
 776
 777         /*
 778          * Check all commands to see if the SATA_ID_TIMEOUT flag has been set.
 779          * If so, send a Target Reset TM to the target that was just created.
 780          * An Abort Task TM should be used instead of a Target Reset, but that
 781          * would be much more difficult because targets have not been fully
 782          * discovered yet, and LUN's haven't been setup.  So, just reset the
 783          * target instead of the LUN.
 784          */
 785         for (i = 1; i < sc->num_reqs; i++) {
 786                 cm = &sc->commands[i];
 787                 if (cm->cm_flags & MPS_CM_FLAGS_SATA_ID_TIMEOUT) {
 788                         targ->timeouts++;
 789                         cm->cm_state = MPS_CM_STATE_TIMEDOUT;
 790
 791                         if ((targ->tm = mpssas_alloc_tm(sc)) != NULL) {
 792                                 mps_dprint(sc, MPS_INFO, "%s: sending Target "
 793                                     "Reset for stuck SATA identify command "
 794                                     "(cm = %p)\n", __func__, cm);
 795                                 targ->tm->cm_targ = targ;
 796                                 mpssas_send_reset(sc, targ->tm,
 797                                     MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET);
 798                         } else {
 799                                 mps_dprint(sc, MPS_ERROR, "Failed to allocate "
 800                                     "tm for Target Reset after SATA ID command "
 801                                     "timed out (cm %p)\n", cm);
 802                         }
 803                         /*
 804                          * No need to check for more since the target is
 805                          * already being reset.
 806                          */
 807                         break;
 808                 }
 809         }
 810 out:
 811         /*
 812          * Free the commands that may not have been freed from the SATA ID call
 813          */
 814         for (i = 1; i < sc->num_reqs; i++) {
 815                 cm = &sc->commands[i];
 816                 if (cm->cm_flags & MPS_CM_FLAGS_SATA_ID_TIMEOUT) {
 817                         mps_free_command(sc, cm);
 818                 }
 819         }
 820         mpssas_startup_decrement(sassc);
 821         return (error);
 822 }
 823
 824 int
 825 mpssas_get_sas_address_for_sata_disk(struct mps_softc *sc,
 826     u64 *sas_address, u16 handle, u32 device_info, u8 *is_SATA_SSD)
 827 {
 828         Mpi2SataPassthroughReply_t mpi_reply;
 829         int i, rc, try_count;
 830         u32 *bufferptr;
 831         union _sata_sas_address hash_address;
 832         struct _ata_identify_device_data ata_identify;
 833         u8 buffer[MPT2SAS_MN_LEN + MPT2SAS_SN_LEN];
 834         u32 ioc_status;
 835         u8 sas_status;
 836
 837         memset(&ata_identify, 0, sizeof(ata_identify));
 838         try_count = 0;
 839         do {
 840                 rc = mpssas_get_sata_identify(sc, handle, &mpi_reply,
 841                     (char *)&ata_identify, sizeof(ata_identify), device_info);
 842                 try_count++;
 843                 ioc_status = le16toh(mpi_reply.IOCStatus)
 844                     & MPI2_IOCSTATUS_MASK;
 845                 sas_status = mpi_reply.SASStatus;
 846                 switch (ioc_status) {
 847                 case MPI2_IOCSTATUS_SUCCESS:
 848                         break;
 849                 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
 850                         /* No sense sleeping.  this error won't get better */
 851                         break;
 852                 default:
 853                         if (sc->spinup_wait_time > 0) {
 854                                 mps_dprint(sc, MPS_INFO, "Sleeping %d seconds "
 855                                     "after SATA ID error to wait for spinup\n",
 856                                     sc->spinup_wait_time);
 857                                 msleep(&sc->msleep_fake_chan, &sc->mps_mtx, 0,
 858                                     "mpsid", sc->spinup_wait_time * hz);
 859                         }
 860                 }
 861         } while (((rc && (rc != EWOULDBLOCK)) ||
 862                  (ioc_status &&
 863                   (ioc_status != MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR))
 864                || sas_status) && (try_count < 5));
 865
 866         if (rc == 0 && !ioc_status && !sas_status) {
 867                 mps_dprint(sc, MPS_MAPPING, "%s: got SATA identify "
 868                     "successfully for handle = 0x%x with try_count = %d\n",
 869                     __func__, handle, try_count);
 870         } else {
 871                 mps_dprint(sc, MPS_MAPPING, "%s: handle = 0x%x failed\n",
 872                     __func__, handle);
 873                 return -1;
 874         }
 875         /* Copy & byteswap the 40 byte model number to a buffer */
 876         for (i = 0; i < MPT2SAS_MN_LEN; i += 2) {
 877                 buffer[i] = ((u8 *)ata_identify.model_number)[i + 1];
 878                 buffer[i + 1] = ((u8 *)ata_identify.model_number)[i];
 879         }
 880         /* Copy & byteswap the 20 byte serial number to a buffer */
 881         for (i = 0; i < MPT2SAS_SN_LEN; i += 2) {
 882                 buffer[MPT2SAS_MN_LEN + i] =
 883                     ((u8 *)ata_identify.serial_number)[i + 1];
 884                 buffer[MPT2SAS_MN_LEN + i + 1] =
 885                     ((u8 *)ata_identify.serial_number)[i];
 886         }
 887         bufferptr = (u32 *)buffer;
 888         /* There are 60 bytes to hash down to 8. 60 isn't divisible by 8,
 889          * so loop through the first 56 bytes (7*8),
 890          * and then add in the last dword.
 891          */
 892         hash_address.word.low  = 0;
 893         hash_address.word.high = 0;
 894         for (i = 0; (i < ((MPT2SAS_MN_LEN+MPT2SAS_SN_LEN)/8)); i++) {
 895                 hash_address.word.low += *bufferptr;
 896                 bufferptr++;
 897                 hash_address.word.high += *bufferptr;
 898                 bufferptr++;
 899         }
 900         /* Add the last dword */
 901         hash_address.word.low += *bufferptr;
 902         /* Make sure the hash doesn't start with 5, because it could clash
 903          * with a SAS address. Change 5 to a D.
 904          */
 905         if ((hash_address.word.high & 0x000000F0) == (0x00000050))
 906                 hash_address.word.high |= 0x00000080;
 907         *sas_address = (u64)hash_address.wwid[0] << 56 |
 908             (u64)hash_address.wwid[1] << 48 | (u64)hash_address.wwid[2] << 40 |
 909             (u64)hash_address.wwid[3] << 32 | (u64)hash_address.wwid[4] << 24 |
 910             (u64)hash_address.wwid[5] << 16 | (u64)hash_address.wwid[6] <<  8 |
 911             (u64)hash_address.wwid[7];
 912         if (ata_identify.rotational_speed == 1) {
 913                 *is_SATA_SSD = 1;
 914         }
 915
 916         return 0;
 917 }
 918
 919 static int
 920 mpssas_get_sata_identify(struct mps_softc *sc, u16 handle,
 921     Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz, u32 devinfo)
 922 {
 923         Mpi2SataPassthroughRequest_t *mpi_request;
 924         Mpi2SataPassthroughReply_t *reply = NULL;
 925         struct mps_command *cm;
 926         char *buffer;
 927         int error = 0;
 928
 929         buffer = malloc( sz, M_MPT2, M_NOWAIT | M_ZERO);
 930         if (!buffer)
 931                 return ENOMEM;
 932
 933         if ((cm = mps_alloc_command(sc)) == NULL) {
 934                 free(buffer, M_MPT2);
 935                 return (EBUSY);
 936         }
 937         mpi_request = (MPI2_SATA_PASSTHROUGH_REQUEST *)cm->cm_req;
 938         bzero(mpi_request,sizeof(MPI2_SATA_PASSTHROUGH_REQUEST));
 939         mpi_request->Function = MPI2_FUNCTION_SATA_PASSTHROUGH;
 940         mpi_request->VF_ID = 0;
 941         mpi_request->DevHandle = htole16(handle);
 942         mpi_request->PassthroughFlags = (MPI2_SATA_PT_REQ_PT_FLAGS_PIO |
 943             MPI2_SATA_PT_REQ_PT_FLAGS_READ);
 944         mpi_request->DataLength = htole32(sz);
 945         mpi_request->CommandFIS[0] = 0x27;
 946         mpi_request->CommandFIS[1] = 0x80;
 947         mpi_request->CommandFIS[2] =  (devinfo &
 948             MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? 0xA1 : 0xEC;
 949         cm->cm_sge = &mpi_request->SGL;
 950         cm->cm_sglsize = sizeof(MPI2_SGE_IO_UNION);
 951         cm->cm_flags = MPS_CM_FLAGS_SGE_SIMPLE | MPS_CM_FLAGS_DATAIN;
 952         cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
 953         cm->cm_data = buffer;
 954         cm->cm_length = htole32(sz);
 955
 956         /*
 957          * Start a timeout counter specifically for the SATA ID command. This
 958          * is used to fix a problem where the FW does not send a reply sometimes
 959          * when a bad disk is in the topology. So, this is used to timeout the
 960          * command so that processing can continue normally.
 961          */
 962         mps_dprint(sc, MPS_XINFO, "%s start timeout counter for SATA ID "
 963             "command\n", __func__);
 964         callout_reset(&cm->cm_callout, MPS_ATA_ID_TIMEOUT * hz,
 965             mpssas_ata_id_timeout, cm);
 966         error = mps_wait_command(sc, &cm, 60, CAN_SLEEP);
 967         mps_dprint(sc, MPS_XINFO, "%s stop timeout counter for SATA ID "
 968             "command\n", __func__);
 969         /* XXX KDM need to fix the case where this command is destroyed */
 970         callout_stop(&cm->cm_callout);
 971
 972         if (cm != NULL)
 973                 reply = (Mpi2SataPassthroughReply_t *)cm->cm_reply;
 974         if (error || (reply == NULL)) {
 975                 /* FIXME */
 976                 /*
 977                  * If the request returns an error then we need to do a diag
 978                  * reset
 979                  */
 980                 mps_dprint(sc, MPS_INFO|MPS_FAULT|MPS_MAPPING,
 981                     "Request for SATA PASSTHROUGH page completed with error %d",
 982                     error);
 983                 error = ENXIO;
 984                 goto out;
 985         }
 986         bcopy(buffer, id_buffer, sz);
 987         bcopy(reply, mpi_reply, sizeof(Mpi2SataPassthroughReply_t));
 988         if ((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) !=
 989             MPI2_IOCSTATUS_SUCCESS) {
 990                 mps_dprint(sc, MPS_INFO|MPS_MAPPING|MPS_FAULT,
 991                     "Error reading device %#x SATA PASSTHRU; iocstatus= 0x%x\n",
 992                     handle, reply->IOCStatus);
 993                 error = ENXIO;
 994                 goto out;
 995         }
 996 out:
 997         /*
 998          * If the SATA_ID_TIMEOUT flag has been set for this command, don't free
 999          * it.  The command will be freed after sending a target reset TM. If
1000          * the command did timeout, use EWOULDBLOCK.
1001          */
1002         if ((cm != NULL)
1003          && (cm->cm_flags & MPS_CM_FLAGS_SATA_ID_TIMEOUT) == 0)
1004                 mps_free_command(sc, cm);
1005         else if (error == 0)
1006                 error = EWOULDBLOCK;
1007         free(buffer, M_MPT2);
1008         return (error);
1009 }
1010
1011 static void
1012 mpssas_ata_id_timeout(void *data)
1013 {
1014         struct mps_softc *sc;
1015         struct mps_command *cm;
1016
1017         cm = (struct mps_command *)data;
1018         sc = cm->cm_sc;
1019         mtx_assert(&sc->mps_mtx, MA_OWNED);
1020
1021         mps_dprint(sc, MPS_INFO, "%s checking ATA ID command %p sc %p\n",
1022             __func__, cm, sc);
1023         if ((callout_pending(&cm->cm_callout)) ||
1024             (!callout_active(&cm->cm_callout))) {
1025                 mps_dprint(sc, MPS_INFO, "%s ATA ID command almost timed out\n",
1026                     __func__);
1027                 return;
1028         }
1029         callout_deactivate(&cm->cm_callout);
1030
1031         /*
1032          * Run the interrupt handler to make sure it's not pending.  This
1033          * isn't perfect because the command could have already completed
1034          * and been re-used, though this is unlikely.
1035          */
1036         mps_intr_locked(sc);
1037         if (cm->cm_state == MPS_CM_STATE_FREE) {
1038                 mps_dprint(sc, MPS_INFO, "%s ATA ID command almost timed out\n",
1039                     __func__);
1040                 return;
1041         }
1042
1043         mps_dprint(sc, MPS_INFO, "ATA ID command timeout cm %p\n", cm);
1044
1045         /*
1046          * Send wakeup() to the sleeping thread that issued this ATA ID command.
1047          * wakeup() will cause msleep to return a 0 (not EWOULDBLOCK), and this
1048          * will keep reinit() from being called. This way, an Abort Task TM can
1049          * be issued so that the timed out command can be cleared.  The Abort
1050          * Task cannot be sent from here because the driver has not completed
1051          * setting up targets.  Instead, the command is flagged so that special
1052          * handling will be used to send the abort.
1053          */
1054         cm->cm_flags |= MPS_CM_FLAGS_SATA_ID_TIMEOUT;
1055         wakeup(cm);
1056 }
1057
1058 static int
1059 mpssas_volume_add(struct mps_softc *sc, u16 handle)
1060 {
1061         struct mpssas_softc *sassc;
1062         struct mpssas_target *targ;
1063         u64 wwid;
1064         unsigned int id;
1065         int error = 0;
1066         struct mpssas_lun *lun;
1067
1068         sassc = sc->sassc;
1069         mpssas_startup_increment(sassc);
1070         /* wwid is endian safe */
1071         mps_config_get_volume_wwid(sc, handle, &wwid);
1072         if (!wwid) {
1073                 printf("%s: invalid WWID; cannot add volume to mapping table\n",
1074                     __func__);
1075                 error = ENXIO;
1076                 goto out;
1077         }
1078
1079         id = mps_mapping_get_raid_tid(sc, wwid, handle);
1080         if (id == MPS_MAP_BAD_ID) {
1081                 printf("%s: could not get ID for volume with handle 0x%04x and "
1082                     "WWID 0x%016llx\n", __func__, handle,
1083                     (unsigned long long)wwid);
1084                 error = ENXIO;
1085                 goto out;
1086         }
1087
1088         targ = &sassc->targets[id];
1089         targ->tid = id;
1090         targ->handle = handle;
1091         targ->devname = wwid;
1092         TAILQ_INIT(&targ->commands);
1093         TAILQ_INIT(&targ->timedout_commands);
1094         while(!SLIST_EMPTY(&targ->luns)) {
1095                 lun = SLIST_FIRST(&targ->luns);
1096                 SLIST_REMOVE_HEAD(&targ->luns, lun_link);
1097                 free(lun, M_MPT2);
1098         }
1099         SLIST_INIT(&targ->luns);
1100 #if __FreeBSD_version < 1000039
1101         if ((sassc->flags & MPSSAS_IN_STARTUP) == 0)
1102 #endif
1103                 mpssas_rescan_target(sc, targ);
1104         mps_dprint(sc, MPS_MAPPING, "RAID target id %d added (WWID = 0x%jx)\n",
1105             targ->tid, wwid);
1106 out:
1107         mpssas_startup_decrement(sassc);
1108         return (error);
1109 }
1110
1111 /**
1112  * mpssas_SSU_to_SATA_devices
1113  * @sc: per adapter object
1114  *
1115  * Looks through the target list and issues a StartStopUnit SCSI command to each
1116  * SATA direct-access device.  This helps to ensure that data corruption is
1117  * avoided when the system is being shut down.  This must be called after the IR
1118  * System Shutdown RAID Action is sent if in IR mode.
1119  *
1120  * Return nothing.
1121  */
1122 static void
1123 mpssas_SSU_to_SATA_devices(struct mps_softc *sc)
1124 {
1125         struct mpssas_softc *sassc = sc->sassc;
1126         union ccb *ccb;
1127         path_id_t pathid = cam_sim_path(sassc->sim);
1128         target_id_t targetid;
1129         struct mpssas_target *target;
1130         char path_str[64];
1131         struct timeval cur_time, start_time;
1132
1133         /*
1134          * For each target, issue a StartStopUnit command to stop the device.
1135          */
1136         sc->SSU_started = TRUE;
1137         sc->SSU_refcount = 0;
1138         for (targetid = 0; targetid < sc->max_devices; targetid++) {
1139                 target = &sassc->targets[targetid];
1140                 if (target->handle == 0x0) {
1141                         continue;
1142                 }
1143
1144                 ccb = xpt_alloc_ccb_nowait();
1145                 if (ccb == NULL) {
1146                         mps_dprint(sc, MPS_FAULT, "Unable to alloc CCB to stop "
1147                             "unit.\n");
1148                         return;
1149                 }
1150
1151                 /*
1152                  * The stop_at_shutdown flag will be set if this device is
1153                  * a SATA direct-access end device.
1154                  */
1155                 if (target->stop_at_shutdown) {
1156                         if (xpt_create_path(&ccb->ccb_h.path,
1157                             xpt_periph, pathid, targetid,
1158                             CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
1159                                 mps_dprint(sc, MPS_FAULT, "Unable to create "
1160                                     "LUN path to stop unit.\n");
1161                                 xpt_free_ccb(ccb);
1162                                 return;
1163                         }
1164                         xpt_path_string(ccb->ccb_h.path, path_str,
1165                             sizeof(path_str));
1166
1167                         mps_dprint(sc, MPS_INFO, "Sending StopUnit: path %s "
1168                             "handle %d\n", path_str, target->handle);
1169
1170                         /*
1171                          * Issue a START STOP UNIT command for the target.
1172                          * Increment the SSU counter to be used to count the
1173                          * number of required replies.
1174                          */
1175                         mps_dprint(sc, MPS_INFO, "Incrementing SSU count\n");
1176                         sc->SSU_refcount++;
1177                         ccb->ccb_h.target_id =
1178                             xpt_path_target_id(ccb->ccb_h.path);
1179                         ccb->ccb_h.ppriv_ptr1 = sassc;
1180                         scsi_start_stop(&ccb->csio,
1181                             /*retries*/0,
1182                             mpssas_stop_unit_done,
1183                             MSG_SIMPLE_Q_TAG,
1184                             /*start*/FALSE,
1185                             /*load/eject*/0,
1186                             /*immediate*/FALSE,
1187                             MPS_SENSE_LEN,
1188                             /*timeout*/10000);
1189                         xpt_action(ccb);
1190                 }
1191         }
1192
1193         /*
1194          * Wait until all of the SSU commands have completed or time has
1195          * expired (60 seconds).  Pause for 100ms each time through.  If any
1196          * command times out, the target will be reset in the SCSI command
1197          * timeout routine.
1198          */
1199         getmicrotime(&start_time);
1200         while (sc->SSU_refcount) {
1201                 pause("mpswait", hz/10);
1202
1203                 getmicrotime(&cur_time);
1204                 if ((cur_time.tv_sec - start_time.tv_sec) > 60) {
1205                         mps_dprint(sc, MPS_FAULT, "Time has expired waiting "
1206                             "for SSU commands to complete.\n");
1207                         break;
1208                 }
1209         }
1210 }
1211
1212 static void
1213 mpssas_stop_unit_done(struct cam_periph *periph, union ccb *done_ccb)
1214 {
1215         struct mpssas_softc *sassc;
1216         char path_str[64];
1217
1218         if (done_ccb == NULL)
1219                 return;
1220
1221         sassc = (struct mpssas_softc *)done_ccb->ccb_h.ppriv_ptr1;
1222
1223         xpt_path_string(done_ccb->ccb_h.path, path_str, sizeof(path_str));
1224         mps_dprint(sassc->sc, MPS_INFO, "Completing stop unit for %s\n",
1225             path_str);
1226
1227         /*
1228          * Nothing more to do except free the CCB and path.  If the command
1229          * timed out, an abort reset, then target reset will be issued during
1230          * the SCSI Command process.
1231          */
1232         xpt_free_path(done_ccb->ccb_h.path);
1233         xpt_free_ccb(done_ccb);
1234 }
1235
1236 /**
1237  * mpssas_ir_shutdown - IR shutdown notification
1238  * @sc: per adapter object
1239  *
1240  * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that
1241  * the host system is shutting down.
1242  *
1243  * Return nothing.
1244  */
1245 void
1246 mpssas_ir_shutdown(struct mps_softc *sc)
1247 {
1248         u16 volume_mapping_flags;
1249         u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1250         struct dev_mapping_table *mt_entry;
1251         u32 start_idx, end_idx;
1252         unsigned int id, found_volume = 0;
1253         struct mps_command *cm;
1254         Mpi2RaidActionRequest_t *action;
1255         target_id_t targetid;
1256         struct mpssas_target *target;
1257
1258         mps_dprint(sc, MPS_TRACE, "%s\n", __func__);
1259
1260         /* is IR firmware build loaded? */
1261         if (!sc->ir_firmware)
1262                 goto out;
1263
1264         /* are there any volumes?  Look at IR target IDs. */
1265         // TODO-later, this should be looked up in the RAID config structure
1266         // when it is implemented.
1267         volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) &
1268             MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
1269         if (volume_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) {
1270                 start_idx = 0;
1271                 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0)
1272                         start_idx = 1;
1273         } else
1274                 start_idx = sc->max_devices - sc->max_volumes;
1275         end_idx = start_idx + sc->max_volumes - 1;
1276
1277         for (id = start_idx; id < end_idx; id++) {
1278                 mt_entry = &sc->mapping_table[id];
1279                 if ((mt_entry->physical_id != 0) &&
1280                     (mt_entry->missing_count == 0)) {
1281                         found_volume = 1;
1282                         break;
1283                 }
1284         }
1285
1286         if (!found_volume)
1287                 goto out;
1288
1289         if ((cm = mps_alloc_command(sc)) == NULL) {
1290                 printf("%s: command alloc failed\n", __func__);
1291                 goto out;
1292         }
1293
1294         action = (MPI2_RAID_ACTION_REQUEST *)cm->cm_req;
1295         action->Function = MPI2_FUNCTION_RAID_ACTION;
1296         action->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED;
1297         cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
1298         mps_lock(sc);
1299         mps_wait_command(sc, &cm, 5, CAN_SLEEP);
1300         mps_unlock(sc);
1301
1302         /*
1303          * Don't check for reply, just leave.
1304          */
1305         if (cm)
1306                 mps_free_command(sc, cm);
1307
1308 out:
1309         /*
1310          * All of the targets must have the correct value set for
1311          * 'stop_at_shutdown' for the current 'enable_ssu' sysctl variable.
1312          *
1313          * The possible values for the 'enable_ssu' variable are:
1314          * 0: disable to SSD and HDD
1315          * 1: disable only to HDD (default)
1316          * 2: disable only to SSD
1317          * 3: enable to SSD and HDD
1318          * anything else will default to 1.
1319          */
1320         for (targetid = 0; targetid < sc->max_devices; targetid++) {
1321                 target = &sc->sassc->targets[targetid];
1322                 if (target->handle == 0x0) {
1323                         continue;
1324                 }
1325
1326                 if (target->supports_SSU) {
1327                         switch (sc->enable_ssu) {
1328                         case MPS_SSU_DISABLE_SSD_DISABLE_HDD:
1329                                 target->stop_at_shutdown = FALSE;
1330                                 break;
1331                         case MPS_SSU_DISABLE_SSD_ENABLE_HDD:
1332                                 target->stop_at_shutdown = TRUE;
1333                                 if (target->flags & MPS_TARGET_IS_SATA_SSD) {
1334                                         target->stop_at_shutdown = FALSE;
1335                                 }
1336                                 break;
1337                         case MPS_SSU_ENABLE_SSD_ENABLE_HDD:
1338                                 target->stop_at_shutdown = TRUE;
1339                                 break;
1340                         case MPS_SSU_ENABLE_SSD_DISABLE_HDD:
1341                         default:
1342                                 target->stop_at_shutdown = TRUE;
1343                                 if ((target->flags &
1344                                     MPS_TARGET_IS_SATA_SSD) == 0) {
1345                                         target->stop_at_shutdown = FALSE;
1346                                 }
1347                                 break;
1348                         }
1349                 }
1350         }
1351         mpssas_SSU_to_SATA_devices(sc);
1352 }