PCI Passthrough

Commands

List AMD devices:

lspci -nn | grep AMD

Regenerate Grub2 config:

grub2-mkconfig -o /boot/efi/EFI/fedora/grub.cfg

Grub

Grub2 file location:

/etc/default/grub

Intel:

intel_iommu=on pci-stub.ids=

AMD:

iommu=on pci-stub.ids=
iommu=pt iommu=1

Source Info

Debian:

https://wiki.debian.org/VGAPassthrough
https://scottlinux.com/2016/08/28/gpu-passthrough-with-kvm-and-debian-linux/

Fedora:

http://www.andrewklau.com/my-fedora-21-gaming-rig-using-vt-d-and-vfio-without-compromise/
http://www.se7ensins.com/forums/threads/how-to-setup-a-gaming-virtual-machine-with-gpu-passthrough-qemu-kvm-libvirt-and-vfio.1371980/
https://bluehatrecord.wordpress.com/2016/09/02/virtualizing-windows-7-with-fedora-23-kvmqemu-and-iommu-enabled-pci-passthrough/
https://bluehatrecord.wordpress.com/2015/12/05/performing-iommu-based-gpu-pci-passthrough-with-fedora-22/

Redhat:

http://www.linux-kvm.org/page/How_to_assign_devices_with_VT-d_in_KVM

Ubuntu:

https://apurv.me/vga-passthrough-using-kvm-in-ubuntu-14-04/