1 files changed, 17 insertions, 72 deletions

diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index 9e6d07d7b3c8..46e14f22ec18 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -1,18 +1,8 @@
 /* 
- * 
- * linux/drivers/s390/scsi/zfcp_scsi.c
- * 
- * FCP adapter driver for IBM eServer zSeries 
- * 
- * (C) Copyright IBM Corp. 2002, 2004
+ * This file is part of the zfcp device driver for
+ * FCP adapters for IBM System z9 and zSeries.
  *
- * Author(s): Martin Peschke <mpeschke@de.ibm.com> 
- *            Raimund Schroeder <raimund.schroeder@de.ibm.com> 
- *            Aron Zeh
- *            Wolfgang Taphorn
- *            Stefan Bader <stefan.bader@de.ibm.com> 
- *            Heiko Carstens <heiko.carstens@de.ibm.com> 
- *            Andreas Herrmann <aherrman@de.ibm.com>
+ * (C) Copyright IBM Corp. 2002, 2006
  * 
  * This program is free software; you can redistribute it and/or modify 
  * it under the terms of the GNU General Public License as published by 
@@ -45,8 +35,8 @@ static int zfcp_scsi_eh_host_reset_handler(struct scsi_cmnd *);
 static int zfcp_task_management_function(struct zfcp_unit *, u8,
                                          struct scsi_cmnd *);
 
-static struct zfcp_unit *zfcp_unit_lookup(struct zfcp_adapter *, int, scsi_id_t,
-                                          scsi_lun_t);
+static struct zfcp_unit *zfcp_unit_lookup(struct zfcp_adapter *, int,
+                                          unsigned int, unsigned int);
 
 static struct device_attribute *zfcp_sysfs_sdev_attrs[];
 
@@ -161,14 +151,6 @@ set_driver_byte(u32 * result, char status)
         set_byte(result, status, 3);
 }
 
-/*
- * function:    zfcp_scsi_slave_alloc
- *
- * purpose:
- *
- * returns:
- */
-
 static int
 zfcp_scsi_slave_alloc(struct scsi_device *sdp)
 {
@@ -195,14 +177,6 @@ zfcp_scsi_slave_alloc(struct scsi_device *sdp)
         return retval;
 }
 
-/*
- * function:    zfcp_scsi_slave_destroy
- *
- * purpose:
- *
- * returns:
- */
-
 static void
 zfcp_scsi_slave_destroy(struct scsi_device *sdpnt)
 {
@@ -374,18 +348,9 @@ zfcp_scsi_queuecommand(struct scsi_cmnd *scpnt,
         return zfcp_scsi_command_async(adapter, unit, scpnt, NULL);
 }
 
-/*
- * function:    zfcp_unit_lookup
- *
- * purpose:
- *
- * returns:
- *
- * context:     
- */
 static struct zfcp_unit *
-zfcp_unit_lookup(struct zfcp_adapter *adapter, int channel, scsi_id_t id,
-                 scsi_lun_t lun)
+zfcp_unit_lookup(struct zfcp_adapter *adapter, int channel, unsigned int id,
+                 unsigned int lun)
 {
         struct zfcp_port *port;
         struct zfcp_unit *unit, *retval = NULL;
@@ -491,13 +456,6 @@ zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt)
         return retval;
 }
 
-/*
- * function:    zfcp_scsi_eh_device_reset_handler
- *
- * purpose:
- *
- * returns:
- */
 int
 zfcp_scsi_eh_device_reset_handler(struct scsi_cmnd *scpnt)
 {
@@ -625,13 +583,6 @@ zfcp_scsi_eh_host_reset_handler(struct scsi_cmnd *scpnt)
         return SUCCESS;
 }
 
-/*
- * function:    
- *
- * purpose:     
- *
- * returns:
- */
 int
 zfcp_adapter_scsi_register(struct zfcp_adapter *adapter)
 {
@@ -657,10 +608,6 @@ zfcp_adapter_scsi_register(struct zfcp_adapter *adapter)
         adapter->scsi_host->unique_id = unique_id++;    /* FIXME */
         adapter->scsi_host->max_cmd_len = ZFCP_MAX_SCSI_CMND_LENGTH;
         adapter->scsi_host->transportt = zfcp_transport_template;
-        /*
-         * Reverse mapping of the host number to avoid race condition
-         */
-        adapter->scsi_host_no = adapter->scsi_host->host_no;
 
         /*
          * save a pointer to our own adapter data structure within
@@ -678,13 +625,6 @@ zfcp_adapter_scsi_register(struct zfcp_adapter *adapter)
         return retval;
 }
 
-/*
- * function:    
- *
- * purpose:     
- *
- * returns:
- */
 void
 zfcp_adapter_scsi_unregister(struct zfcp_adapter *adapter)
 {
@@ -703,7 +643,6 @@ zfcp_adapter_scsi_unregister(struct zfcp_adapter *adapter)
         scsi_remove_host(shost);
         scsi_host_put(shost);
         adapter->scsi_host = NULL;
-        adapter->scsi_host_no = 0;
         atomic_clear_mask(ZFCP_STATUS_ADAPTER_REGISTERED, &adapter->status);
 
         return;
@@ -817,10 +756,9 @@ zfcp_get_fc_host_stats(struct Scsi_Host *shost)
         if (!fc_stats)
                 return NULL;
 
-        data = kmalloc(sizeof(*data), GFP_KERNEL);
+        data = kzalloc(sizeof(*data), GFP_KERNEL);
         if (!data)
                 return NULL;
-        memset(data, 0, sizeof(*data));
 
         ret = zfcp_fsf_exchange_port_data(NULL, adapter, data);
         if (ret) {
@@ -848,10 +786,9 @@ zfcp_reset_fc_host_stats(struct Scsi_Host *shost)
         int ret;
 
         adapter = (struct zfcp_adapter *)shost->hostdata[0];
-        data = kmalloc(sizeof(*data), GFP_KERNEL);
+        data = kzalloc(sizeof(*data), GFP_KERNEL);
         if (!data)
                 return;
-        memset(data, 0, sizeof(*data));
 
         ret = zfcp_fsf_exchange_port_data(NULL, adapter, data);
         if (ret == 0) {
@@ -863,11 +800,18 @@ zfcp_reset_fc_host_stats(struct Scsi_Host *shost)
         }
 }
 
+static void zfcp_set_rport_dev_loss_tmo(struct fc_rport *rport, u32 timeout)
+{
+        rport->dev_loss_tmo = timeout;
+}
+
 struct fc_function_template zfcp_transport_functions = {
         .show_starget_port_id = 1,
         .show_starget_port_name = 1,
         .show_starget_node_name = 1,
         .show_rport_supported_classes = 1,
+        .show_rport_maxframe_size = 1,
+        .show_rport_dev_loss_tmo = 1,
         .show_host_node_name = 1,
         .show_host_port_name = 1,
         .show_host_permanent_port_name = 1,
@@ -877,6 +821,7 @@ struct fc_function_template zfcp_transport_functions = {
         .show_host_serial_number = 1,
         .get_fc_host_stats = zfcp_get_fc_host_stats,
         .reset_fc_host_stats = zfcp_reset_fc_host_stats,
+        .set_rport_dev_loss_tmo = zfcp_set_rport_dev_loss_tmo,
         /* no functions registered for following dynamic attributes but
            directly set by LLDD */
         .show_host_port_type = 1,