The Design and Implementation of the FreeBSD Operating System, Second Edition
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FreeBSD/Linux Kernel Cross Reference
sys/dev/mpr/mpr_sas_lsi.c

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

Cache object: 6672098d6df145843bf7f68f82e0211c


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