reattach-devices.sh

#!/bin/bash

#check for variable existence in case script was runned independently
if ${VIRSH_GPU+"false"}
then
	source config
fi

# Unload the vfio module. I am lazy, this leaves the GPU without drivers
modprobe -r vfio-pci
modprobe -r vfio_iommu_type1
modprobe -r vfio

# Reload the kernel modules. This loads the drivers for the GPU
modprobe snd_hda_intel
modprobe amdgpu

virsh nodedev-reattach $VIRSH_GPU_AUDIO
virsh nodedev-reattach $VIRSH_GPU
virsh nodedev-reattach $VIRSH_USB

# Bind the usb
	sh -c "echo $usbid > /sys/bus/pci/drivers/xhci_hcd/new_id"
	sh -c "echo $usbbusid > /sys/bus/pci/devices/$usbbusid/driver/unbind"
	sh -c "echo $usbbusid > /sys/bus/pci/drivers/xhci_hcd/bind"
	sh -c "echo $usbid > /sys/bus/pci/drivers/xhci_hcd/remove_id"
	ls -la /sys/bus/pci/devices/$usbbusid/

# Re-Bind EFI-Framebuffer and Re-bind to virtual consoles
# [Source] [https://github.com/joeknock90/Single-GPU-Passthrough/blob/master/README.md#vm-stop-script]
echo 1 > /sys/class/vtconsole/vtcon0/bind
sleep 1
echo 1 > tee /sys/class/vtconsole/vtcon1/bind
sleep 1

# Reload the Display Manager to access X
systemctl start lightdm
sleep 2

# Restore the Frame Buffer
echo efi-framebuffer.0 > /sys/bus/platform/drivers/efi-framebuffer/bind
sleep 1