8074 need to add FMA event for SSD wearout

*** 425,434 ****
--- 425,442 ----
  
                  if (nvlist_lookup_boolean_value(fault, FM_SUSPECT_RETIRE,
                      &retire) == 0 && retire == 0)
                          continue;
  
+                 if (fmd_nvl_class_match(hdl, fault,
+                     "fault.io.disk.ssm-wearout") &&
+                     fmd_prop_get_int32(hdl, "ssm_wearout_skip_retire") ==
+                     FMD_B_TRUE) {
+                         fmd_hdl_debug(hdl, "zfs-retire: ignoring SSM fault");
+                         continue;
+                 }
+ 
                  /*
                   * While we subscribe to fault.fs.zfs.*, we only take action
                   * for faults targeting a specific vdev (open failure or SERD
                   * failure).  We also subscribe to fault.io.* events, so that
                   * faulty disks will be faulted in the ZFS configuration.
*** 559,568 ****
--- 567,577 ----
          NULL,                   /* fmdo_gc */
  };
  
  static const fmd_prop_t fmd_props[] = {
          { "spare_on_remove", FMD_TYPE_BOOL, "true" },
+         { "ssm_wearout_skip_retire", FMD_TYPE_BOOL, "true"},
          { NULL, 0, NULL }
  };
  
  static const fmd_hdl_info_t fmd_info = {
          "ZFS Retire Agent", "1.0", &fmd_ops, fmd_props