On Tue, Jul 31, 2012 at 11:18:15PM -0600, Alex Williamson wrote: > This adds the core of the QEMU VFIO-based PCI device assignment driver. > To make use of this driver, enable CONFIG_VFIO, CONFIG_VFIO_IOMMU_TYPE1, > and CONFIG_VFIO_PCI in your host Linux kernel config. Load the vfio-pci > module. To assign device 0000:05:00.0 to a guest, do the following: > > for dev in $(ls /sys/bus/pci/devices/0000:05:00.0/iommu_group/devices); do > vendor=$(cat /sys/bus/pci/devices/$dev/vendor) > device=$(cat /sys/bus/pci/devices/$dev/device) > if [ -e /sys/bus/pci/devices/$dev/driver ]; then > echo $dev > /sys/bus/pci/devices/$dev/driver/unbind > fi > echo $vendor $device > /sys/bus/pci/drivers/vfio-pci/new_id > done Both vfio-pci and the old driver successfully match the $vendor:$device. What happens when another $vendor:$device PCI adapter is hotplugged into the host? Is there a way to bind vfio-pci on a per-adapter basis instead of a per-$vendor:$device? Stefan -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
