[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/vport.c b/drivers/scsi/bfa/vport.c
index c5e534eb..27cd619 100644
--- a/drivers/scsi/bfa/vport.c
+++ b/drivers/scsi/bfa/vport.c
@@ -447,22 +447,8 @@
 
 	bfa_assert(role <= BFA_PORT_ROLE_FCP_MAX);
 
-	switch (event) {
-	case BFA_LPORT_AEN_NPIV_DUP_WWN:
-		bfa_log(logmod, BFA_AEN_LPORT_NPIV_DUP_WWN, lpwwn_ptr,
-			role_str[role / 2]);
-		break;
-	case BFA_LPORT_AEN_NPIV_FABRIC_MAX:
-		bfa_log(logmod, BFA_AEN_LPORT_NPIV_FABRIC_MAX, lpwwn_ptr,
-			role_str[role / 2]);
-		break;
-	case BFA_LPORT_AEN_NPIV_UNKNOWN:
-		bfa_log(logmod, BFA_AEN_LPORT_NPIV_UNKNOWN, lpwwn_ptr,
-			role_str[role / 2]);
-		break;
-	default:
-		break;
-	}
+	bfa_log(logmod, BFA_LOG_CREATE_ID(BFA_AEN_CAT_LPORT, event), lpwwn_ptr,
+			role_str[role/2]);
 
 	aen_data.lport.vf_id = port->fabric->vf_id;
 	aen_data.lport.roles = role;