8074 need to add FMA event for SSD wearout

*** 19,32 ****
   * CDDL HEADER END
   */
  /*
   * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
- #pragma ident   "%Z%%M% %I%     %E% SMI"
- 
  /*
   * Disk error transport module
   *
   * This transport module is responsible for translating between disk errors
   * and FMA ereports.  It is a read-only transport module, and checks for the
--- 19,31 ----
   * CDDL HEADER END
   */
  /*
   * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
+  * Copyright 2016 Nexenta Systems, Inc.  All rights reserved.
   */
  
  /*
   * Disk error transport module
   *
   * This transport module is responsible for translating between disk errors
   * and FMA ereports.  It is a read-only transport module, and checks for the
*** 33,42 ****
--- 32,42 ----
   * following failures:
   *
   *      - overtemp
   *      - predictive failure
   *      - self-test failure
+  *      - solid state media wearout
   *
   * These failures are detected via the TOPO_METH_DISK_STATUS method, which
   * leverages libdiskstatus to do the actual analysis.  This transport module is
   * in charge of the following tasks:
   *
*** 111,121 ****
          nvlist_t *result;
          nvlist_t *fmri, *faults;
          char *protocol;
          int err;
          disk_monitor_t *dmp = arg;
-         uint64_t ena;
          nvpair_t *elem;
          boolean_t fault;
          nvlist_t *details;
          char *fmristr;
          nvlist_t *in = NULL;
--- 111,120 ----
*** 150,163 ****
                  return (TOPO_WALK_NEXT);
          }
  
          nvlist_free(in);
  
-         ena = fmd_event_ena_create(dmp->dm_hdl);
- 
          /*
!          * Add any faults.
           */
          if (nvlist_lookup_nvlist(result, "faults", &faults) == 0 &&
              nvlist_lookup_string(result, "protocol", &protocol) == 0) {
                  elem = NULL;
                  while ((elem = nvlist_next_nvpair(faults, elem)) != NULL) {
--- 149,160 ----
                  return (TOPO_WALK_NEXT);
          }
  
          nvlist_free(in);
  
          /*
!          * Check for faults and post ereport(s) if needed
           */
          if (nvlist_lookup_nvlist(result, "faults", &faults) == 0 &&
              nvlist_lookup_string(result, "protocol", &protocol) == 0) {
                  elem = NULL;
                  while ((elem = nvlist_next_nvpair(faults, elem)) != NULL) {
*** 168,179 ****
                          if (!fault ||
                              nvlist_lookup_nvlist(result, nvpair_name(elem),
                              &details) != 0)
                                  continue;
  
                          dt_post_ereport(dmp->dm_hdl, dmp->dm_xprt, protocol,
!                             nvpair_name(elem), ena, fmri, details);
                  }
          }
  
          nvlist_free(result);
          nvlist_free(fmri);
--- 165,183 ----
                          if (!fault ||
                              nvlist_lookup_nvlist(result, nvpair_name(elem),
                              &details) != 0)
                                  continue;
  
+                         if (strcmp(nvpair_name(elem),
+                             FM_EREPORT_SCSI_SSMWEAROUT) == 0 &&
+                             fmd_prop_get_int32(dmp->dm_hdl,
+                             "ignore-ssm-wearout") == FMD_B_TRUE)
+                                 continue;
+ 
                          dt_post_ereport(dmp->dm_hdl, dmp->dm_xprt, protocol,
!                             nvpair_name(elem),
!                             fmd_event_ena_create(dmp->dm_hdl), fmri, details);
                  }
          }
  
          nvlist_free(result);
          nvlist_free(fmri);
*** 246,255 ****
--- 250,260 ----
  
  static const fmd_prop_t fmd_props[] = {
          { "interval", FMD_TYPE_TIME, "1h" },
          { "min-interval", FMD_TYPE_TIME, "1min" },
          { "simulate", FMD_TYPE_STRING, "" },
+         { "ignore-ssm-wearout", FMD_TYPE_BOOL, "false"},
          { NULL, 0, NULL }
  };
  
  static const fmd_hdl_ops_t fmd_ops = {
          NULL,                   /* fmdo_recv */
*** 260,270 ****
          NULL,                   /* fmdo_send */
          dt_topo_change,         /* fmdo_topo_change */
  };
  
  static const fmd_hdl_info_t fmd_info = {
!         "Disk Transport Agent", "1.0", &fmd_ops, fmd_props
  };
  
  void
  _fmd_init(fmd_hdl_t *hdl)
  {
--- 265,275 ----
          NULL,                   /* fmdo_send */
          dt_topo_change,         /* fmdo_topo_change */
  };
  
  static const fmd_hdl_info_t fmd_info = {
!         "Disk Transport Agent", "1.1", &fmd_ops, fmd_props
  };
  
  void
  _fmd_init(fmd_hdl_t *hdl)
  {