C++ (Cpp) igbuio_msix_mask_irq Examples

Example #1

File: igb_uio.c Project: 0day-ci/dpdk

/**
 * This is the irqcontrol callback to be registered to uio_info.
 * It can be used to disable/enable interrupt from user space processes.
 *
 * @param info
 *  pointer to uio_info.
 * @param irq_state
 *  state value. 1 to enable interrupt, 0 to disable interrupt.
 *
 * @return
 *  - On success, 0.
 *  - On failure, a negative value.
 */
static int
igbuio_pci_irqcontrol(struct uio_info *info, s32 irq_state)
{
	struct rte_uio_pci_dev *udev = info->priv;
	struct pci_dev *pdev = udev->pdev;

	pci_cfg_access_lock(pdev);
	if (udev->mode == RTE_INTR_MODE_LEGACY)
		pci_intx(pdev, !!irq_state);

	else if (udev->mode == RTE_INTR_MODE_MSIX) {
		struct msi_desc *desc;

#if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 3, 0))
		list_for_each_entry(desc, &pdev->msi_list, list)
			igbuio_msix_mask_irq(desc, irq_state);
#else
		list_for_each_entry(desc, &pdev->dev.msi_list, list)
			igbuio_msix_mask_irq(desc, irq_state);
#endif
	}
	pci_cfg_access_unlock(pdev);

	return 0;
}

Example #2

File: igb_uio.c Project: cleveritcz/f-stack

static void
igbuio_mask_irq(struct pci_dev *pdev, enum rte_intr_mode mode, s32 irq_state)
{
	struct msi_desc *desc;
	struct list_head *msi_list;

#ifdef HAVE_MSI_LIST_IN_GENERIC_DEVICE
	msi_list = &pdev->dev.msi_list;
#else
	msi_list = &pdev->msi_list;
#endif

	if (mode == RTE_INTR_MODE_MSIX) {
		list_for_each_entry(desc, msi_list, list)
			igbuio_msix_mask_irq(desc, irq_state);
	} else if (mode == RTE_INTR_MODE_MSI) {
		list_for_each_entry(desc, msi_list, list)
			igbuio_msi_mask_irq(pdev, desc, irq_state);
	}
}