CPT_VF_MSIX_VECTORS
cpumask_var_t affinity_mask[CPT_VF_MSIX_VECTORS];
err = pci_alloc_irq_vectors(pdev, CPT_VF_MSIX_VECTORS,
CPT_VF_MSIX_VECTORS, PCI_IRQ_MSIX);
CPT_VF_MSIX_VECTORS);