vfio

bind_vfio.sh

set -o errexit
set -o nounset
set -o pipefail
set -o errtrace


sudo modprobe vfio_pci
sudo modprobe vfio_iommu_type1 allow_unsafe_interrupts

bus_slot="03:00.0"

vendor_id=$(lspci -n -s "${bus_slot}" | awk '{print $3}' | cut -d\: -f1)
product_id=$(lspci -n -s "${bus_slot}" | awk '{print $3}' | cut -d\: -f2)
echo "Description: $(lspci | grep ${bus_slot})"
echo "VID: ${vendor_id}"
echo "PID: ${product_id}"

#what is the prefix?
pci_slot_with_prefix="0000:${bus_slot}"
echo "${pci_slot_with_prefix}" | sudo tee "/sys/bus/pci/devices/${pci_slot_with_prefix}/driver/unbind"
echo "${vendor_id} ${product_id}" | sudo tee  "/sys/bus/pci/drivers/vfio-pci/new_id"