#### For `GRUB` edit `/etc/default/grub` and append your kernel options, `intel_iommu=on` **OR** `amd_iommu=on` and `iommu=pt`, to the `GRUB_CMDLINE_LINUX_DEFAULT`.
[ArchWiki PCI passthrough via OVMF](https://wiki.archlinux.org/index.php/PCI_passthrough_via_OVMF)
[How to setup a gaming virtual machine with gpu passthrough qemu kvm libvirt and vfio](https://www.se7ensins.com/forums/threads/how-to-setup-a-gaming-virtual-machine-with-gpu-passthrough-qemu-kvm-libvirt-and-vfio.1371980/)