PCI Passthrough

To enable PCI passthrough, you need to configure:

INTEL

edit:

#vi /etc/default/grub

change

GRUB_CMDLINE_LINUX_DEFAULT="quiet"

to

GRUB_CMDLINE_LINUX_DEFAULT="quiet intel_iommu=on"

then

# update-grub
# reboot

AMD

edit:

#vi /etc/default/grub

change

GRUB_CMDLINE_LINUX_DEFAULT="quiet"

to

GRUB_CMDLINE_LINUX_DEFAULT="quiet iommu=pt iommu=1"

then

# update-grub
# echo "options kvm allow_unsafe_assigned_interrupts=1" > /etc/modprobe.d/kvm_iommu_map_guest.conf 
# reboot