[SCSI] bfa: Replace bfa_get_attr() with specific APIs

bfa_ioc_attr_s is a big structure and some times could cause
stack overflow if defined locally, so add specific APIs that
are needed to replace the use of ioc_attr local var.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
diff --git a/drivers/scsi/bfa/fcpim.c b/drivers/scsi/bfa/fcpim.c
index 71d23d1..ef50ec2 100644
--- a/drivers/scsi/bfa/fcpim.c
+++ b/drivers/scsi/bfa/fcpim.c
@@ -385,19 +385,8 @@
 	wwn2str(lpwwn_ptr, lpwwn);
 	wwn2str(rpwwn_ptr, rpwwn);
 
-	switch (event) {
-	case BFA_ITNIM_AEN_ONLINE:
-		bfa_log(logmod, BFA_AEN_ITNIM_ONLINE, rpwwn_ptr, lpwwn_ptr);
-		break;
-	case BFA_ITNIM_AEN_OFFLINE:
-		bfa_log(logmod, BFA_AEN_ITNIM_OFFLINE, rpwwn_ptr, lpwwn_ptr);
-		break;
-	case BFA_ITNIM_AEN_DISCONNECT:
-		bfa_log(logmod, BFA_AEN_ITNIM_DISCONNECT, rpwwn_ptr, lpwwn_ptr);
-		break;
-	default:
-		break;
-	}
+	bfa_log(logmod, BFA_LOG_CREATE_ID(BFA_AEN_CAT_ITNIM, event),
+		rpwwn_ptr, lpwwn_ptr);
 
 	aen_data.itnim.vf_id = rport->port->fabric->vf_id;
 	aen_data.itnim.ppwwn =