DPI_MAX_IRQS
ret = pci_alloc_irq_vectors(pdev, DPI_MAX_IRQS, DPI_MAX_IRQS, PCI_IRQ_MSIX);
if (ret != DPI_MAX_IRQS) {
dev_err(dev, "DPI: Failed to alloc %d msix irqs\n", DPI_MAX_IRQS);