MODULE_PARM_DESC(use_dma_mrpc,
"Enable the use of the DMA MRPC feature");
+static int nirqs = 32;
+module_param(nirqs, int, 0644);
+MODULE_PARM_DESC(nirqs, "number of interrupts to allocate (more may be useful for NTB applications)");
+
static dev_t switchtec_devt;
static DEFINE_IDA(switchtec_minor_ida);
int dma_mrpc_irq;
int rc;
- nvecs = pci_alloc_irq_vectors(stdev->pdev, 1, 4,
- PCI_IRQ_MSIX | PCI_IRQ_MSI);
+ if (nirqs < 4)
+ nirqs = 4;
+
+ nvecs = pci_alloc_irq_vectors(stdev->pdev, 1, nirqs,
+ PCI_IRQ_MSIX | PCI_IRQ_MSI |
+ PCI_IRQ_VIRTUAL);
if (nvecs < 0)
return nvecs;