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Server : nginx/1.24.0 System : Linux ip-172-31-33-48 6.14.0-1011-aws #11~24.04.1-Ubuntu SMP Fri Aug 1 02:07:25 UTC 2025 x86_64 User : www-data ( 33) PHP Version : 8.3.6 Disable Function : NONE Directory : /usr/src/linux-headers-6.14.0-1011-aws/drivers/vfio/pci/virtio/ |
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# SPDX-License-Identifier: GPL-2.0-only config VIRTIO_VFIO_PCI tristate "VFIO support for VIRTIO NET PCI VF devices" depends on VIRTIO_PCI select VFIO_PCI_CORE help This provides migration support for VIRTIO NET PCI VF devices using the VFIO framework. Migration support requires the SR-IOV PF device to support specific VIRTIO extensions, otherwise this driver provides no additional functionality beyond vfio-pci. Migration support in this driver relies on dirty page tracking provided by the IOMMU hardware and exposed through IOMMUFD, any other use cases are dis-recommended. If you don't know what to do here, say N. config VIRTIO_VFIO_PCI_ADMIN_LEGACY bool "Legacy I/O support for VIRTIO NET PCI VF devices" depends on VIRTIO_VFIO_PCI && VIRTIO_PCI_ADMIN_LEGACY default y help This extends the virtio-vfio-pci driver to support legacy I/O access, allowing use of legacy virtio drivers with VIRTIO NET PCI VF devices. Legacy I/O support requires the SR-IOV PF device to support and enable specific VIRTIO extensions, otherwise this driver provides no additional functionality beyond vfio-pci. If you don't know what to do here, say N.