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21d47763af | 4 years ago | |
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scripts | 4 years ago | |
README.md | 4 years ago | |
setup.sh | 4 years ago |
README.md
Enable IOMMU
Set the kernel paramater depending on your CPU.
For GRUB user, edit grub configuration.
/etc/default/grub |
---|
GRUB_CMDLINE_LINUX_DEFAULT="intel_iommu=on iommu=pt ..." |
OR |
GRUB_CMDLINE_LINUX_DEFAULT="amd_iommu=on iommu=pt ..." |
Generate grub.cfg
grub-mkconfig -o /boot/grub/grub.cfg
Reboot your system for the changes to take effect.
Verify IOMMU
If you don't see any output when running following command, IOMMU is not functioning.
dmesg | grep 'IOMMU enabled'
Install required tools
Gentoo Linux
emerge -av qemu virt-manager libvirt ebtables dnsmasq
Arch Linux
pacman -S qemu libvirt edk2-ovmf virt-manager dnsmasq ebtables
Fedora
dnf install @virtualization
Enable required services
SystemD
systemctl enable --now libvirtd
OpenRC
rc-update add libvirtd default
rc-service libvirtd start
Sometimes, you might need to start default network manually.
virsh net-start default
virsh net-autostart default
Setup Guest OS
NOTE: You should replace win10 with your VM's name where applicable
Download virtio driver.
Launch virt-manager and create a new virtual machine. Select Customize before install on Final Step.
In Overview section, set Chipset to Q35, and Firmware to UEFI
In CPUs section, set CPU model to host-passthrough, and CPU Topology to whatever fits your system.
For SATA disk of VM, set Disk Bus to virtio.
In NIC section, set Device Model to virtio
Add Hardware > CDROM: virtio-win.iso
Now, Begin Installation. Windows can't detect the virtio disk, so you need to Load Driver and select virtio-iso/amd64/win10 when prompted.
After successful installation of Windows, install virtio drivers from virtio CDROM.
Attaching PCI devices
Remove Channel Spice, Display Spice, Video XQL, Sound ich* and other unnecessary devices.
Now, click on Add Hardware, select PCI Devices and add the PCI Host devices for your GPU's VGA and HDMI Audio
Some GPU vBIOS needs to be patched for UEFI Support.
----- TODO: vBIOS patching ------
To use patched vBIOS, edit VM's configuration
virsh edit win10
...
<hostdev mode='subsystem' type='pci' managed='yes'>
<source>
...
</source>
<rom file='/home/me/patched.rom'/>
...
</hostdev>
...
Libvirt Hooks
TODO
See Also
Single GPU Passthrough by joeknock90
Single GPU Passthrough by YuriAlek
ArchLinux PCI Passthrough
Gentoo GPU Passthrough