{ FC_PORTTYPE_NPORT, "NPort (fabric via point-to-point)" },
{ FC_PORTTYPE_NLPORT, "NLPort (fabric via loop)" },
{ FC_PORTTYPE_LPORT, "LPort (private loop)" },
- { FC_PORTTYPE_PTP, "Point-To-Point (direct nport connection" },
+ { FC_PORTTYPE_PTP, "Point-To-Point (direct nport connection)" },
{ FC_PORTTYPE_NPIV, "NPIV VPORT" },
};
fc_enum_name_search(port_type, fc_port_type, fc_port_type_names)
event->event_code = event_code;
event->event_data = event_data;
- err = nlmsg_multicast(scsi_nl_sock, skb, 0, SCSI_NL_GRP_FC_EVENTS,
- GFP_KERNEL);
- if (err && (err != -ESRCH)) /* filter no recipient errors */
- /* nlmsg_multicast already kfree_skb'd */
- goto send_fail;
-
+ nlmsg_multicast(scsi_nl_sock, skb, 0, SCSI_NL_GRP_FC_EVENTS,
+ GFP_KERNEL);
return;
send_fail_skb:
event->event_code = FCH_EVT_VENDOR_UNIQUE;
memcpy(&event->event_data, data_buf, data_len);
- err = nlmsg_multicast(scsi_nl_sock, skb, 0, SCSI_NL_GRP_FC_EVENTS,
- GFP_KERNEL);
- if (err && (err != -ESRCH)) /* filter no recipient errors */
- /* nlmsg_multicast already kfree_skb'd */
- goto send_vendor_fail;
-
+ nlmsg_multicast(scsi_nl_sock, skb, 0, SCSI_NL_GRP_FC_EVENTS,
+ GFP_KERNEL);
return;
send_vendor_fail_skb:
* Notes:
* This routine assumes no locks are held on entry.
*/
-static enum scsi_eh_timer_return
+static enum blk_eh_timer_return
fc_timed_out(struct scsi_cmnd *scmd)
{
struct fc_rport *rport = starget_to_rport(scsi_target(scmd->device));
if (rport->port_state == FC_PORTSTATE_BLOCKED)
- return EH_RESET_TIMER;
+ return BLK_EH_RESET_TIMER;
- return EH_NOT_HANDLED;
+ return BLK_EH_NOT_HANDLED;
}
/*
SETUP_PRIVATE_RPORT_ATTRIBUTE_RD(roles);
SETUP_PRIVATE_RPORT_ATTRIBUTE_RD(port_state);
SETUP_PRIVATE_RPORT_ATTRIBUTE_RD(scsi_target_id);
- if (ft->terminate_rport_io)
- SETUP_PRIVATE_RPORT_ATTRIBUTE_RW(fast_io_fail_tmo);
+ SETUP_PRIVATE_RPORT_ATTRIBUTE_RW(fast_io_fail_tmo);
BUG_ON(count > FC_RPORT_NUM_ATTRS);
}
EXPORT_SYMBOL(fc_remove_host);
+static void fc_terminate_rport_io(struct fc_rport *rport)
+{
+ struct Scsi_Host *shost = rport_to_shost(rport);
+ struct fc_internal *i = to_fc_internal(shost->transportt);
+
+ /* Involve the LLDD if possible to terminate all io on the rport. */
+ if (i->f->terminate_rport_io)
+ i->f->terminate_rport_io(rport);
+
+ /*
+ * must unblock to flush queued IO. The caller will have set
+ * the port_state or flags, so that fc_remote_port_chkready will
+ * fail IO.
+ */
+ scsi_target_unblock(&rport->dev);
+}
/**
* fc_starget_delete - called to delete the scsi decendents of an rport
{
struct fc_rport *rport =
container_of(work, struct fc_rport, stgt_delete_work);
- struct Scsi_Host *shost = rport_to_shost(rport);
- struct fc_internal *i = to_fc_internal(shost->transportt);
-
- /* Involve the LLDD if possible to terminate all io on the rport. */
- if (i->f->terminate_rport_io)
- i->f->terminate_rport_io(rport);
+ fc_terminate_rport_io(rport);
scsi_remove_target(&rport->dev);
}
if (rport->flags & FC_RPORT_SCAN_PENDING)
scsi_flush_work(shost);
- /* involve the LLDD to terminate all pending i/o */
- if (i->f->terminate_rport_io)
- i->f->terminate_rport_io(rport);
-
+ fc_terminate_rport_io(rport);
/*
* Cancel any outstanding timers. These should really exist
* only when rmmod'ing the LLDD and we're asking for
/*
* Notify the driver that the rport is now dead. The LLDD will
* also guarantee that any communication to the rport is terminated
+ *
+ * Avoid this call if we already called it when we preserved the
+ * rport for the binding.
*/
- if (i->f->dev_loss_tmo_callbk)
+ if (!(rport->flags & FC_RPORT_DEVLOSS_CALLBK_DONE) &&
+ (i->f->dev_loss_tmo_callbk))
i->f->dev_loss_tmo_callbk(rport);
transport_remove_device(dev);
device_initialize(dev); /* takes self reference */
dev->parent = get_device(&shost->shost_gendev); /* parent reference */
dev->release = fc_rport_dev_release;
- sprintf(dev->bus_id, "rport-%d:%d-%d",
- shost->host_no, channel, rport->number);
+ dev_set_name(dev, "rport-%d:%d-%d",
+ shost->host_no, channel, rport->number);
transport_setup_device(dev);
error = device_add(dev);
spin_lock_irqsave(shost->host_lock, flags);
- rport->flags &= ~FC_RPORT_DEVLOSS_PENDING;
+ rport->flags &= ~(FC_RPORT_FAST_FAIL_TIMEDOUT |
+ FC_RPORT_DEVLOSS_PENDING |
+ FC_RPORT_DEVLOSS_CALLBK_DONE);
/* if target, initiate a scan */
if (rport->scsi_target_id != -1) {
rport->port_id = ids->port_id;
rport->roles = ids->roles;
rport->port_state = FC_PORTSTATE_ONLINE;
+ rport->flags &= ~FC_RPORT_FAST_FAIL_TIMEDOUT;
if (fci->f->dd_fcrport_size)
memset(rport->dd_data, 0,
fc_remote_port_delete(struct fc_rport *rport)
{
struct Scsi_Host *shost = rport_to_shost(rport);
- struct fc_internal *i = to_fc_internal(shost->transportt);
int timeout = rport->dev_loss_tmo;
unsigned long flags;
/* see if we need to kill io faster than waiting for device loss */
if ((rport->fast_io_fail_tmo != -1) &&
- (rport->fast_io_fail_tmo < timeout) && (i->f->terminate_rport_io))
+ (rport->fast_io_fail_tmo < timeout))
fc_queue_devloss_work(shost, &rport->fail_io_work,
rport->fast_io_fail_tmo * HZ);
fc_flush_devloss(shost);
spin_lock_irqsave(shost->host_lock, flags);
- rport->flags &= ~FC_RPORT_DEVLOSS_PENDING;
+ rport->flags &= ~(FC_RPORT_FAST_FAIL_TIMEDOUT |
+ FC_RPORT_DEVLOSS_PENDING);
spin_unlock_irqrestore(shost->host_lock, flags);
/* ensure any stgt delete functions are done */
struct fc_rport *rport =
container_of(work, struct fc_rport, dev_loss_work.work);
struct Scsi_Host *shost = rport_to_shost(rport);
+ struct fc_internal *i = to_fc_internal(shost->transportt);
struct fc_host_attrs *fc_host = shost_to_fc_host(shost);
unsigned long flags;
rport->supported_classes = FC_COS_UNSPECIFIED;
rport->roles = FC_PORT_ROLE_UNKNOWN;
rport->port_state = FC_PORTSTATE_NOTPRESENT;
+ rport->flags &= ~FC_RPORT_FAST_FAIL_TIMEDOUT;
+ rport->flags |= FC_RPORT_DEVLOSS_CALLBK_DONE;
+
+ /*
+ * Pre-emptively kill I/O rather than waiting for the work queue
+ * item to teardown the starget. (FCOE libFC folks prefer this
+ * and to have the rport_port_id still set when it's done).
+ */
+ spin_unlock_irqrestore(shost->host_lock, flags);
+ fc_terminate_rport_io(rport);
+
+ BUG_ON(rport->port_state != FC_PORTSTATE_NOTPRESENT);
/* remove the identifiers that aren't used in the consisting binding */
switch (fc_host->tgtid_bind_type) {
* went away and didn't come back - we'll remove
* all attached scsi devices.
*/
- spin_unlock_irqrestore(shost->host_lock, flags);
-
- scsi_target_unblock(&rport->dev);
fc_queue_work(shost, &rport->stgt_delete_work);
+
+ /*
+ * Notify the driver that the rport is now dead. The LLDD will
+ * also guarantee that any communication to the rport is terminated
+ *
+ * Note: we set the CALLBK_DONE flag above to correspond
+ */
+ if (i->f->dev_loss_tmo_callbk)
+ i->f->dev_loss_tmo_callbk(rport);
}
+
/**
* fc_timeout_fail_rport_io - Timeout handler for a fast io failing on a disconnected SCSI target.
* @work: rport to terminate io on.
{
struct fc_rport *rport =
container_of(work, struct fc_rport, fail_io_work.work);
- struct Scsi_Host *shost = rport_to_shost(rport);
- struct fc_internal *i = to_fc_internal(shost->transportt);
if (rport->port_state != FC_PORTSTATE_BLOCKED)
return;
- i->f->terminate_rport_io(rport);
+ rport->flags |= FC_RPORT_FAST_FAIL_TIMEDOUT;
+ fc_terminate_rport_io(rport);
}
/**
device_initialize(dev); /* takes self reference */
dev->parent = get_device(pdev); /* takes parent reference */
dev->release = fc_vport_dev_release;
- sprintf(dev->bus_id, "vport-%d:%d-%d",
- shost->host_no, channel, vport->number);
+ dev_set_name(dev, "vport-%d:%d-%d",
+ shost->host_no, channel, vport->number);
transport_setup_device(dev);
error = device_add(dev);
*/
if (pdev != &shost->shost_gendev) {
error = sysfs_create_link(&shost->shost_gendev.kobj,
- &dev->kobj, dev->bus_id);
+ &dev->kobj, dev_name(dev));
if (error)
printk(KERN_ERR
"%s: Cannot create vport symlinks for "
"%s, err=%d\n",
- __func__, dev->bus_id, error);
+ __func__, dev_name(dev), error);
}
spin_lock_irqsave(shost->host_lock, flags);
vport->flags &= ~FC_VPORT_CREATING;
spin_unlock_irqrestore(shost->host_lock, flags);
dev_printk(KERN_NOTICE, pdev,
- "%s created via shost%d channel %d\n", dev->bus_id,
+ "%s created via shost%d channel %d\n", dev_name(dev),
shost->host_no, channel);
*ret_vport = vport;
return stat;
if (dev->parent != &shost->shost_gendev)
- sysfs_remove_link(&shost->shost_gendev.kobj, dev->bus_id);
+ sysfs_remove_link(&shost->shost_gendev.kobj, dev_name(dev));
transport_remove_device(dev);
device_del(dev);
transport_destroy_device(dev);
dev_printk(KERN_ERR, vport->dev.parent,
"%s: %s could not be deleted created via "
"shost%d channel %d - error %d\n", __func__,
- vport->dev.bus_id, vport->shost->host_no,
+ dev_name(&vport->dev), vport->shost->host_no,
vport->channel, stat);
}