ql_request_irq_vectors
rval = ql_request_irq_vectors(qlge, DDI_INTR_TYPE_MSIX);
rval = ql_request_irq_vectors(qlge, DDI_INTR_TYPE_MSI);
rval = ql_request_irq_vectors(qlge, DDI_INTR_TYPE_FIXED);