Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6

9 files changed, 212 insertions, 102 deletions

diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c
index 5e84c5aa7779..167fef39d8a7 100644
--- a/drivers/s390/scsi/zfcp_aux.c
+++ b/drivers/s390/scsi/zfcp_aux.c
@@ -1125,6 +1125,8 @@ zfcp_adapter_dequeue(struct zfcp_adapter *adapter)
         zfcp_free_low_mem_buffers(adapter);
         /* free memory of adapter data structure and queues */
         zfcp_qdio_free_queues(adapter);
+        kfree(adapter->fc_stats);
+        kfree(adapter->stats_reset_data);
         ZFCP_LOG_TRACE("freeing adapter structure\n");
         kfree(adapter);
  out:
diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h
index d81b737d68cc..9bb511083a26 100644
--- a/drivers/s390/scsi/zfcp_def.h
+++ b/drivers/s390/scsi/zfcp_def.h
@@ -921,7 +921,6 @@ struct zfcp_adapter {
         u32                     physical_s_id;     /* local FC port ID */
         struct ccw_device       *ccw_device;       /* S/390 ccw device */
         u8                      fc_service_class;
-        u32                     fc_topology;       /* FC topology */
         u32                     hydra_version;     /* Hydra version */
         u32                     fsf_lic_version;
         u32                     adapter_features;  /* FCP channel features */
@@ -978,6 +977,9 @@ struct zfcp_adapter {
         struct zfcp_adapter_mempool     pool;      /* Adapter memory pools */
         struct qdio_initialize  qdio_init_data;    /* for qdio_establish */
         struct device           generic_services;  /* directory for WKA ports */
+        struct fc_host_statistics *fc_stats;
+        struct fsf_qtcb_bottom_port *stats_reset_data;
+        unsigned long           stats_reset;
 };
 
 /*
diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c
index ee7314d8c2da..7bdb00b5aeb2 100644
--- a/drivers/s390/scsi/zfcp_erp.c
+++ b/drivers/s390/scsi/zfcp_erp.c
@@ -2613,7 +2613,7 @@ zfcp_erp_port_strategy_open_common(struct zfcp_erp_action *erp_action)
         case ZFCP_ERP_STEP_UNINITIALIZED:
         case ZFCP_ERP_STEP_PHYS_PORT_CLOSING:
         case ZFCP_ERP_STEP_PORT_CLOSING:
-                if (adapter->fc_topology == FSF_TOPO_P2P) {
+                if (fc_host_port_type(adapter->scsi_host) == FC_PORTTYPE_PTP) {
                         if (port->wwpn != adapter->peer_wwpn) {
                                 ZFCP_LOG_NORMAL("Failed to open port 0x%016Lx "
                                                 "on adapter %s.\nPeer WWPN "
diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c
index 59587951c847..cbfab09899c8 100644
--- a/drivers/s390/scsi/zfcp_fsf.c
+++ b/drivers/s390/scsi/zfcp_fsf.c
@@ -964,6 +964,40 @@ zfcp_fsf_status_read_handler(struct zfcp_fsf_req *fsf_req)
                                         | ZFCP_STATUS_COMMON_ERP_FAILED);
                 break;
 
+        case FSF_STATUS_READ_NOTIFICATION_LOST:
+                ZFCP_LOG_NORMAL("Unsolicited status notification(s) lost: "
+                                "adapter %s%s%s%s%s%s%s%s%s\n",
+                                zfcp_get_busid_by_adapter(adapter),
+                                (status_buffer->status_subtype &
+                                        FSF_STATUS_READ_SUB_INCOMING_ELS) ?
+                                        ", incoming ELS" : "",
+                                (status_buffer->status_subtype &
+                                        FSF_STATUS_READ_SUB_SENSE_DATA) ?
+                                        ", sense data" : "",
+                                (status_buffer->status_subtype &
+                                        FSF_STATUS_READ_SUB_LINK_STATUS) ?
+                                        ", link status change" : "",
+                                (status_buffer->status_subtype &
+                                        FSF_STATUS_READ_SUB_PORT_CLOSED) ?
+                                        ", port close" : "",
+                                (status_buffer->status_subtype &
+                                        FSF_STATUS_READ_SUB_BIT_ERROR_THRESHOLD) ?
+                                        ", bit error exception" : "",
+                                (status_buffer->status_subtype &
+                                        FSF_STATUS_READ_SUB_ACT_UPDATED) ?
+                                        ", ACT update" : "",
+                                (status_buffer->status_subtype &
+                                        FSF_STATUS_READ_SUB_ACT_HARDENED) ?
+                                        ", ACT hardening" : "",
+                                (status_buffer->status_subtype &
+                                        FSF_STATUS_READ_SUB_FEATURE_UPDATE_ALERT) ?
+                                        ", adapter feature change" : "");
+
+                if (status_buffer->status_subtype &
+                    FSF_STATUS_READ_SUB_ACT_UPDATED)
+                        zfcp_erp_adapter_access_changed(adapter);
+                break;
+
         case FSF_STATUS_READ_CFDC_UPDATED:
                 ZFCP_LOG_NORMAL("CFDC has been updated on the adapter %s\n",
                               zfcp_get_busid_by_adapter(adapter));
@@ -1954,6 +1988,7 @@ zfcp_fsf_exchange_config_data(struct zfcp_erp_action *erp_action)
         erp_action->fsf_req->qtcb->bottom.config.feature_selection =
                         FSF_FEATURE_CFDC |
                         FSF_FEATURE_LUN_SHARING |
+                        FSF_FEATURE_NOTIFICATION_LOST |
                         FSF_FEATURE_UPDATE_ALERT;
 
         /* start QDIO request for this FSF request */
@@ -2008,27 +2043,30 @@ zfcp_fsf_exchange_config_evaluate(struct zfcp_fsf_req *fsf_req, int xchg_ok)
                 fc_host_port_id(shost) = bottom->s_id & ZFCP_DID_MASK;
                 fc_host_speed(shost) = bottom->fc_link_speed;
                 fc_host_supported_classes(shost) = FC_COS_CLASS2 | FC_COS_CLASS3;
-                adapter->fc_topology = bottom->fc_topology;
                 adapter->hydra_version = bottom->adapter_type;
-                if (adapter->physical_wwpn == 0)
-                        adapter->physical_wwpn = fc_host_port_name(shost);
-                if (adapter->physical_s_id == 0)
-                        adapter->physical_s_id = fc_host_port_id(shost);
+                if (fc_host_permanent_port_name(shost) == -1)
+                        fc_host_permanent_port_name(shost) =
+                                fc_host_port_name(shost);
+                if (bottom->fc_topology == FSF_TOPO_P2P) {
+                        adapter->peer_d_id = bottom->peer_d_id & ZFCP_DID_MASK;
+                        adapter->peer_wwpn = bottom->plogi_payload.wwpn;
+                        adapter->peer_wwnn = bottom->plogi_payload.wwnn;
+                        fc_host_port_type(shost) = FC_PORTTYPE_PTP;
+                } else if (bottom->fc_topology == FSF_TOPO_FABRIC)
+                        fc_host_port_type(shost) = FC_PORTTYPE_NPORT;
+                else if (bottom->fc_topology == FSF_TOPO_AL)
+                        fc_host_port_type(shost) = FC_PORTTYPE_NLPORT;
+                else
+                        fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN;
         } else {
                 fc_host_node_name(shost) = 0;
                 fc_host_port_name(shost) = 0;
                 fc_host_port_id(shost) = 0;
                 fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
-                adapter->fc_topology = 0;
+                fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN;
                 adapter->hydra_version = 0;
         }
 
-        if (adapter->fc_topology == FSF_TOPO_P2P) {
-                adapter->peer_d_id = bottom->peer_d_id & ZFCP_DID_MASK;
-                adapter->peer_wwpn = bottom->plogi_payload.wwpn;
-                adapter->peer_wwnn = bottom->plogi_payload.wwnn;
-        }
-
         if (adapter->adapter_features & FSF_FEATURE_HBAAPI_MANAGEMENT) {
                 adapter->hardware_version = bottom->hardware_version;
                 memcpy(fc_host_serial_number(shost), bottom->serial_number,
@@ -2097,8 +2135,8 @@ zfcp_fsf_exchange_config_data_handler(struct zfcp_fsf_req *fsf_req)
                 if (zfcp_fsf_exchange_config_evaluate(fsf_req, 1))
                         return -EIO;
 
-                switch (adapter->fc_topology) {
-                case FSF_TOPO_P2P:
+                switch (fc_host_port_type(adapter->scsi_host)) {
+                case FC_PORTTYPE_PTP:
                         ZFCP_LOG_NORMAL("Point-to-Point fibrechannel "
                                         "configuration detected at adapter %s\n"
                                         "Peer WWNN 0x%016llx, "
@@ -2111,7 +2149,7 @@ zfcp_fsf_exchange_config_data_handler(struct zfcp_fsf_req *fsf_req)
                         debug_text_event(fsf_req->adapter->erp_dbf, 0,
                                          "top-p-to-p");
                         break;
-                case FSF_TOPO_AL:
+                case FC_PORTTYPE_NLPORT:
                         ZFCP_LOG_NORMAL("error: Arbitrated loop fibrechannel "
                                         "topology detected at adapter %s "
                                         "unsupported, shutting down adapter\n",
@@ -2120,7 +2158,7 @@ zfcp_fsf_exchange_config_data_handler(struct zfcp_fsf_req *fsf_req)
                                          "top-al");
                         zfcp_erp_adapter_shutdown(adapter, 0);
                         return -EIO;
-                case FSF_TOPO_FABRIC:
+                case FC_PORTTYPE_NPORT:
                         ZFCP_LOG_NORMAL("Switched fabric fibrechannel "
                                       "network detected at adapter %s.\n",
                                       zfcp_get_busid_by_adapter(adapter));
@@ -2133,7 +2171,6 @@ zfcp_fsf_exchange_config_data_handler(struct zfcp_fsf_req *fsf_req)
                                         "of a type known to the zfcp "
                                         "driver, shutting down adapter\n",
                                         zfcp_get_busid_by_adapter(adapter));
-                        adapter->fc_topology = FSF_TOPO_ERROR;
                         debug_text_exception(fsf_req->adapter->erp_dbf, 0,
                                              "unknown-topo");
                         zfcp_erp_adapter_shutdown(adapter, 0);
@@ -2293,14 +2330,13 @@ zfcp_fsf_exchange_port_data_handler(struct zfcp_fsf_req *fsf_req)
                 data = (struct fsf_qtcb_bottom_port*) fsf_req->data;
                 if (data)
                         memcpy(data, bottom, sizeof(struct fsf_qtcb_bottom_port));
-                if (adapter->connection_features & FSF_FEATURE_NPIV_MODE) {
-                        adapter->physical_wwpn = bottom->wwpn;
-                        adapter->physical_s_id = bottom->fc_port_id;
-                } else {
-                        adapter->physical_wwpn = fc_host_port_name(shost);
-                        adapter->physical_s_id = fc_host_port_id(shost);
-                }
+                if (adapter->connection_features & FSF_FEATURE_NPIV_MODE)
+                        fc_host_permanent_port_name(shost) = bottom->wwpn;
+                else
+                        fc_host_permanent_port_name(shost) =
+                                fc_host_port_name(shost);
                 fc_host_maxframe_size(shost) = bottom->maximum_frame_size;
+                fc_host_supported_speeds(shost) = bottom->supported_speed;
                 break;
 
         case FSF_EXCHANGE_CONFIG_DATA_INCOMPLETE:
diff --git a/drivers/s390/scsi/zfcp_fsf.h b/drivers/s390/scsi/zfcp_fsf.h
index 48719f055952..e734415cae6d 100644
--- a/drivers/s390/scsi/zfcp_fsf.h
+++ b/drivers/s390/scsi/zfcp_fsf.h
@@ -166,6 +166,7 @@
 #define FSF_STATUS_READ_BIT_ERROR_THRESHOLD     0x00000004
 #define FSF_STATUS_READ_LINK_DOWN               0x00000005
 #define FSF_STATUS_READ_LINK_UP                 0x00000006
+#define FSF_STATUS_READ_NOTIFICATION_LOST       0x00000009
 #define FSF_STATUS_READ_CFDC_UPDATED            0x0000000A
 #define FSF_STATUS_READ_CFDC_HARDENED           0x0000000B
 #define FSF_STATUS_READ_FEATURE_UPDATE_ALERT    0x0000000C
@@ -179,6 +180,16 @@
 #define FSF_STATUS_READ_SUB_FDISC_FAILED        0x00000001
 #define FSF_STATUS_READ_SUB_FIRMWARE_UPDATE     0x00000002
 
+/* status subtypes for unsolicited status notification lost */
+#define FSF_STATUS_READ_SUB_INCOMING_ELS        0x00000001
+#define FSF_STATUS_READ_SUB_SENSE_DATA          0x00000002
+#define FSF_STATUS_READ_SUB_LINK_STATUS         0x00000004
+#define FSF_STATUS_READ_SUB_PORT_CLOSED         0x00000008
+#define FSF_STATUS_READ_SUB_BIT_ERROR_THRESHOLD 0x00000010
+#define FSF_STATUS_READ_SUB_ACT_UPDATED         0x00000020
+#define FSF_STATUS_READ_SUB_ACT_HARDENED        0x00000040
+#define FSF_STATUS_READ_SUB_FEATURE_UPDATE_ALERT 0x00000080
+
 /* status subtypes for CFDC */
 #define FSF_STATUS_READ_SUB_CFDC_HARDENED_ON_SE 0x00000002
 #define FSF_STATUS_READ_SUB_CFDC_HARDENED_ON_SE2 0x0000000F
@@ -188,7 +199,6 @@
 #define FSF_TOPO_P2P                            0x00000001
 #define FSF_TOPO_FABRIC                         0x00000002
 #define FSF_TOPO_AL                             0x00000003
-#define FSF_TOPO_FABRIC_VIRT                    0x00000004
 
 /* data direction for FCP commands */
 #define FSF_DATADIR_WRITE                       0x00000001
@@ -211,6 +221,7 @@
 /* channel features */
 #define FSF_FEATURE_CFDC                        0x00000002
 #define FSF_FEATURE_LUN_SHARING                 0x00000004
+#define FSF_FEATURE_NOTIFICATION_LOST           0x00000008
 #define FSF_FEATURE_HBAAPI_MANAGEMENT           0x00000010
 #define FSF_FEATURE_ELS_CT_CHAINED_SBALS        0x00000020
 #define FSF_FEATURE_UPDATE_ALERT                0x00000100
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index 66608d13a634..3c2cbcccbf54 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -49,8 +49,6 @@ static int zfcp_task_management_function(struct zfcp_unit *, u8,
 
 static struct zfcp_unit *zfcp_unit_lookup(struct zfcp_adapter *, int, scsi_id_t,
                                           scsi_lun_t);
-static struct zfcp_port *zfcp_port_lookup(struct zfcp_adapter *, int,
-                                          scsi_id_t);
 
 static struct device_attribute *zfcp_sysfs_sdev_attrs[];
 
@@ -406,18 +404,6 @@ zfcp_unit_lookup(struct zfcp_adapter *adapter, int channel, scsi_id_t id,
         return retval;
 }
 
-static struct zfcp_port *
-zfcp_port_lookup(struct zfcp_adapter *adapter, int channel, scsi_id_t id)
-{
-        struct zfcp_port *port;
-
-        list_for_each_entry(port, &adapter->port_list_head, list) {
-                if (port->rport && (id == port->rport->scsi_target_id))
-                        return port;
-        }
-        return (struct zfcp_port *) NULL;
-}
-
 /**
  * zfcp_scsi_eh_abort_handler - abort the specified SCSI command
  * @scpnt: pointer to scsi_cmnd to be aborted 
@@ -731,70 +717,164 @@ zfcp_fsf_start_scsi_er_timer(struct zfcp_adapter *adapter)
 /*
  * Support functions for FC transport class
  */
-static void
-zfcp_get_port_id(struct scsi_target *starget)
+static struct fc_host_statistics*
+zfcp_init_fc_host_stats(struct zfcp_adapter *adapter)
 {
-        struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
-        struct zfcp_adapter *adapter = (struct zfcp_adapter *)shost->hostdata[0];
-        struct zfcp_port *port;
-        unsigned long flags;
+        struct fc_host_statistics *fc_stats;
 
-        read_lock_irqsave(&zfcp_data.config_lock, flags);
-        port = zfcp_port_lookup(adapter, starget->channel, starget->id);
-        if (port)
-                fc_starget_port_id(starget) = port->d_id;
-        else
-                fc_starget_port_id(starget) = -1;
-        read_unlock_irqrestore(&zfcp_data.config_lock, flags);
+        if (!adapter->fc_stats) {
+                fc_stats = kmalloc(sizeof(*fc_stats), GFP_KERNEL);
+                if (!fc_stats)
+                        return NULL;
+                adapter->fc_stats = fc_stats; /* freed in adater_dequeue */
+        }
+        memset(adapter->fc_stats, 0, sizeof(*adapter->fc_stats));
+        return adapter->fc_stats;
 }
 
 static void
-zfcp_get_port_name(struct scsi_target *starget)
+zfcp_adjust_fc_host_stats(struct fc_host_statistics *fc_stats,
+                          struct fsf_qtcb_bottom_port *data,
+                          struct fsf_qtcb_bottom_port *old)
 {
-        struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
-        struct zfcp_adapter *adapter = (struct zfcp_adapter *)shost->hostdata[0];
-        struct zfcp_port *port;
-        unsigned long flags;
+        fc_stats->seconds_since_last_reset = data->seconds_since_last_reset -
+                old->seconds_since_last_reset;
+        fc_stats->tx_frames = data->tx_frames - old->tx_frames;
+        fc_stats->tx_words = data->tx_words - old->tx_words;
+        fc_stats->rx_frames = data->rx_frames - old->rx_frames;
+        fc_stats->rx_words = data->rx_words - old->rx_words;
+        fc_stats->lip_count = data->lip - old->lip;
+        fc_stats->nos_count = data->nos - old->nos;
+        fc_stats->error_frames = data->error_frames - old->error_frames;
+        fc_stats->dumped_frames = data->dumped_frames - old->dumped_frames;
+        fc_stats->link_failure_count = data->link_failure - old->link_failure;
+        fc_stats->loss_of_sync_count = data->loss_of_sync - old->loss_of_sync;
+        fc_stats->loss_of_signal_count = data->loss_of_signal -
+                old->loss_of_signal;
+        fc_stats->prim_seq_protocol_err_count = data->psp_error_counts -
+                old->psp_error_counts;
+        fc_stats->invalid_tx_word_count = data->invalid_tx_words -
+                old->invalid_tx_words;
+        fc_stats->invalid_crc_count = data->invalid_crcs - old->invalid_crcs;
+        fc_stats->fcp_input_requests = data->input_requests -
+                old->input_requests;
+        fc_stats->fcp_output_requests = data->output_requests -
+                old->output_requests;
+        fc_stats->fcp_control_requests = data->control_requests -
+                old->control_requests;
+        fc_stats->fcp_input_megabytes = data->input_mb - old->input_mb;
+        fc_stats->fcp_output_megabytes = data->output_mb - old->output_mb;
+}
 
-        read_lock_irqsave(&zfcp_data.config_lock, flags);
-        port = zfcp_port_lookup(adapter, starget->channel, starget->id);
-        if (port)
-                fc_starget_port_name(starget) = port->wwpn;
-        else
-                fc_starget_port_name(starget) = -1;
-        read_unlock_irqrestore(&zfcp_data.config_lock, flags);
+static void
+zfcp_set_fc_host_stats(struct fc_host_statistics *fc_stats,
+                       struct fsf_qtcb_bottom_port *data)
+{
+        fc_stats->seconds_since_last_reset = data->seconds_since_last_reset;
+        fc_stats->tx_frames = data->tx_frames;
+        fc_stats->tx_words = data->tx_words;
+        fc_stats->rx_frames = data->rx_frames;
+        fc_stats->rx_words = data->rx_words;
+        fc_stats->lip_count = data->lip;
+        fc_stats->nos_count = data->nos;
+        fc_stats->error_frames = data->error_frames;
+        fc_stats->dumped_frames = data->dumped_frames;
+        fc_stats->link_failure_count = data->link_failure;
+        fc_stats->loss_of_sync_count = data->loss_of_sync;
+        fc_stats->loss_of_signal_count = data->loss_of_signal;
+        fc_stats->prim_seq_protocol_err_count = data->psp_error_counts;
+        fc_stats->invalid_tx_word_count = data->invalid_tx_words;
+        fc_stats->invalid_crc_count = data->invalid_crcs;
+        fc_stats->fcp_input_requests = data->input_requests;
+        fc_stats->fcp_output_requests = data->output_requests;
+        fc_stats->fcp_control_requests = data->control_requests;
+        fc_stats->fcp_input_megabytes = data->input_mb;
+        fc_stats->fcp_output_megabytes = data->output_mb;
+}
+
+/**
+ * zfcp_get_fc_host_stats - provide fc_host_statistics for scsi_transport_fc
+ *
+ * assumption: scsi_transport_fc synchronizes calls of
+ *             get_fc_host_stats and reset_fc_host_stats
+ *             (XXX to be checked otherwise introduce locking)
+ */
+static struct fc_host_statistics *
+zfcp_get_fc_host_stats(struct Scsi_Host *shost)
+{
+        struct zfcp_adapter *adapter;
+        struct fc_host_statistics *fc_stats;
+        struct fsf_qtcb_bottom_port *data;
+        int ret;
+
+        adapter = (struct zfcp_adapter *)shost->hostdata[0];
+        fc_stats = zfcp_init_fc_host_stats(adapter);
+        if (!fc_stats)
+                return NULL;
+
+        data = kmalloc(sizeof(*data), GFP_KERNEL);
+        if (!data)
+                return NULL;
+        memset(data, 0, sizeof(*data));
+
+        ret = zfcp_fsf_exchange_port_data(NULL, adapter, data);
+        if (ret) {
+                kfree(data);
+                return NULL; /* XXX return zeroed fc_stats? */
+        }
+
+        if (adapter->stats_reset &&
+            ((jiffies/HZ - adapter->stats_reset) <
+             data->seconds_since_last_reset)) {
+                zfcp_adjust_fc_host_stats(fc_stats, data,
+                                          adapter->stats_reset_data);
+        } else
+                zfcp_set_fc_host_stats(fc_stats, data);
+
+        kfree(data);
+        return fc_stats;
 }
 
 static void
-zfcp_get_node_name(struct scsi_target *starget)
+zfcp_reset_fc_host_stats(struct Scsi_Host *shost)
 {
-        struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
-        struct zfcp_adapter *adapter = (struct zfcp_adapter *)shost->hostdata[0];
-        struct zfcp_port *port;
-        unsigned long flags;
+        struct zfcp_adapter *adapter;
+        struct fsf_qtcb_bottom_port *data, *old_data;
+        int ret;
 
-        read_lock_irqsave(&zfcp_data.config_lock, flags);
-        port = zfcp_port_lookup(adapter, starget->channel, starget->id);
-        if (port)
-                fc_starget_node_name(starget) = port->wwnn;
-        else
-                fc_starget_node_name(starget) = -1;
-        read_unlock_irqrestore(&zfcp_data.config_lock, flags);
+        adapter = (struct zfcp_adapter *)shost->hostdata[0];
+        data = kmalloc(sizeof(*data), GFP_KERNEL);
+        if (!data)
+                return;
+        memset(data, 0, sizeof(*data));
+
+        ret = zfcp_fsf_exchange_port_data(NULL, adapter, data);
+        if (ret == 0) {
+                adapter->stats_reset = jiffies/HZ;
+                old_data = adapter->stats_reset_data;
+                adapter->stats_reset_data = data; /* finally freed in
+                                                     adater_dequeue */
+                kfree(old_data);
+        }
 }
 
 struct fc_function_template zfcp_transport_functions = {
-        .get_starget_port_id = zfcp_get_port_id,
-        .get_starget_port_name = zfcp_get_port_name,
-        .get_starget_node_name = zfcp_get_node_name,
         .show_starget_port_id = 1,
         .show_starget_port_name = 1,
         .show_starget_node_name = 1,
         .show_rport_supported_classes = 1,
         .show_host_node_name = 1,
         .show_host_port_name = 1,
+        .show_host_permanent_port_name = 1,
         .show_host_supported_classes = 1,
+        .show_host_supported_speeds = 1,
         .show_host_maxframe_size = 1,
         .show_host_serial_number = 1,
+        .get_fc_host_stats = zfcp_get_fc_host_stats,
+        .reset_fc_host_stats = zfcp_reset_fc_host_stats,
+        /* no functions registered for following dynamic attributes but
+           directly set by LLDD */
+        .show_host_port_type = 1,
         .show_host_speed = 1,
         .show_host_port_id = 1,
 };
diff --git a/drivers/s390/scsi/zfcp_sysfs_adapter.c b/drivers/s390/scsi/zfcp_sysfs_adapter.c
index 0cd435280e7d..9f262250043a 100644
--- a/drivers/s390/scsi/zfcp_sysfs_adapter.c
+++ b/drivers/s390/scsi/zfcp_sysfs_adapter.c
@@ -33,14 +33,6 @@
 
 #define ZFCP_LOG_AREA                   ZFCP_LOG_AREA_CONFIG
 
-static const char fc_topologies[5][25] = {
-        "<error>",
-        "point-to-point",
-        "fabric",
-        "arbitrated loop",
-        "fabric (virt. adapter)"
-};
-
 /**
  * ZFCP_DEFINE_ADAPTER_ATTR
  * @_name:   name of show attribute
@@ -69,12 +61,8 @@ ZFCP_DEFINE_ADAPTER_ATTR(physical_wwpn, "0x%016llx\n", adapter->physical_wwpn);
 ZFCP_DEFINE_ADAPTER_ATTR(physical_s_id, "0x%06x\n", adapter->physical_s_id);
 ZFCP_DEFINE_ADAPTER_ATTR(card_version, "0x%04x\n", adapter->hydra_version);
 ZFCP_DEFINE_ADAPTER_ATTR(lic_version, "0x%08x\n", adapter->fsf_lic_version);
-ZFCP_DEFINE_ADAPTER_ATTR(fc_service_class, "%d\n", adapter->fc_service_class);
-ZFCP_DEFINE_ADAPTER_ATTR(fc_topology, "%s\n",
-                         fc_topologies[adapter->fc_topology]);
 ZFCP_DEFINE_ADAPTER_ATTR(hardware_version, "0x%08x\n",
                          adapter->hardware_version);
-ZFCP_DEFINE_ADAPTER_ATTR(scsi_host_no, "0x%x\n", adapter->scsi_host_no);
 ZFCP_DEFINE_ADAPTER_ATTR(in_recovery, "%d\n", atomic_test_mask
                          (ZFCP_STATUS_COMMON_ERP_INUSE, &adapter->status));
 
@@ -259,9 +247,6 @@ static struct attribute *zfcp_adapter_attrs[] = {
         &dev_attr_physical_s_id.attr,
         &dev_attr_card_version.attr,
         &dev_attr_lic_version.attr,
-        &dev_attr_fc_service_class.attr,
-        &dev_attr_fc_topology.attr,
-        &dev_attr_scsi_host_no.attr,
         &dev_attr_status.attr,
         &dev_attr_hardware_version.attr,
         NULL
diff --git a/drivers/s390/scsi/zfcp_sysfs_port.c b/drivers/s390/scsi/zfcp_sysfs_port.c
index c55e82d91deb..3924eb38805c 100644
--- a/drivers/s390/scsi/zfcp_sysfs_port.c
+++ b/drivers/s390/scsi/zfcp_sysfs_port.c
@@ -65,8 +65,6 @@ static ssize_t zfcp_sysfs_port_##_name##_show(struct device *dev, struct device_
 static DEVICE_ATTR(_name, S_IRUGO, zfcp_sysfs_port_##_name##_show, NULL);
 
 ZFCP_DEFINE_PORT_ATTR(status, "0x%08x\n", atomic_read(&port->status));
-ZFCP_DEFINE_PORT_ATTR(wwnn, "0x%016llx\n", port->wwnn);
-ZFCP_DEFINE_PORT_ATTR(d_id, "0x%06x\n", port->d_id);
 ZFCP_DEFINE_PORT_ATTR(in_recovery, "%d\n", atomic_test_mask
                       (ZFCP_STATUS_COMMON_ERP_INUSE, &port->status));
 ZFCP_DEFINE_PORT_ATTR(access_denied, "%d\n", atomic_test_mask
@@ -245,8 +243,6 @@ static struct attribute *zfcp_port_common_attrs[] = {
         &dev_attr_failed.attr,
         &dev_attr_in_recovery.attr,
         &dev_attr_status.attr,
-        &dev_attr_wwnn.attr,
-        &dev_attr_d_id.attr,
         &dev_attr_access_denied.attr,
         NULL
 };
diff --git a/drivers/s390/scsi/zfcp_sysfs_unit.c b/drivers/s390/scsi/zfcp_sysfs_unit.c
index 0556642c9e1d..2f50815f65c7 100644
--- a/drivers/s390/scsi/zfcp_sysfs_unit.c
+++ b/drivers/s390/scsi/zfcp_sysfs_unit.c
@@ -65,7 +65,6 @@ static ssize_t zfcp_sysfs_unit_##_name##_show(struct device *dev, struct device_
 static DEVICE_ATTR(_name, S_IRUGO, zfcp_sysfs_unit_##_name##_show, NULL);
 
 ZFCP_DEFINE_UNIT_ATTR(status, "0x%08x\n", atomic_read(&unit->status));
-ZFCP_DEFINE_UNIT_ATTR(scsi_lun, "0x%x\n", unit->scsi_lun);
 ZFCP_DEFINE_UNIT_ATTR(in_recovery, "%d\n", atomic_test_mask
                       (ZFCP_STATUS_COMMON_ERP_INUSE, &unit->status));
 ZFCP_DEFINE_UNIT_ATTR(access_denied, "%d\n", atomic_test_mask
@@ -138,7 +137,6 @@ static DEVICE_ATTR(failed, S_IWUSR | S_IRUGO, zfcp_sysfs_unit_failed_show,
                    zfcp_sysfs_unit_failed_store);
 
 static struct attribute *zfcp_unit_attrs[] = {
-        &dev_attr_scsi_lun.attr,
         &dev_attr_failed.attr,
         &dev_attr_in_recovery.attr,
         &dev_attr_status.attr,