PCI driver for virtio devices

modulename: virtio_pci.ko

configname: CONFIG_VIRTIO_PCI

Linux Kernel Configuration
└─>Device Drivers
└─>Virtio drivers
└─>PCI support
└─>PCI driver for virtio devices
In linux kernel since version 3.1 (release Date: 2011-10-24)  
This driver provides support for virtio based paravirtual device
drivers over PCI. This requires that your VMM has appropriate PCI
virtio backends. Most QEMU based VMMs should support these devices
(like KVM or Xen).

If unsure, say M.

source code: