qla2x00_set_idma_speed
rval = qla2x00_set_idma_speed(vha, fcport->loop_id,
qla2x00_set_idma_speed(scsi_qla_host_t *, uint16_t, uint16_t, uint16_t *);
rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,