Initial commit

README.md

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+# Single GPU Passthrough Scripts
+
+Scripts for passing a Polaris GPU from a linux host to a windows VM and back.

polaris-vfio-startup.sh

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+#!/bin/bash
+# Helpful to read output when debugging
+set -x
+
+# Stop display manager
+#systemctl stop x11vnc.service
+systemctl stop sddm.service
+
+# Unbind VTconsoles
+echo 0 > /sys/class/vtconsole/vtcon0/bind
+#echo 0 > /sys/class/vtconsole/vtcon1/bind
+
+
+# Unbind EFI-Framebuffer
+#echo efi-framebuffer.0 > /sys/bus/platform/drivers/efi-framebuffer/unbind
+
+sleep 5
+
+# Unload AMD drivers
+modprobe -r amdgpu
+
+#/bin/polaris-unbind-and-reset.sh 0000:01:00.0
+#echo -n "0000:01:00.0" > /sys/bus/pci/drivers/amdgpu/unbind || echo "Failed to unbind gpu from amdgpu"
+#echo -n "0000:01:00.1" > /sys/bus/pci/drivers/snd_hda_intel/unbind || echo "Failed to unbind hdmi audio in gpu"
+
+
+# Unbind the GPU from display driver
+virsh nodedev-detach pci_0000_01_00_0
+virsh nodedev-detach pci_0000_01_00_1
+
+# Load VFIO kernel module
+modprobe vfio-pci
+#tell vfio-pci that it takes care of gpu
+#echo -n "1002 67df" > /sys/bus/pci/drivers/vfio-pci/new_id
+#echo -n "1002 aaf0" > /sys/bus/pci/drivers/vfio-pci/new_id
+
+

polaris-vfio-teardown.sh

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+#!/bin/bash
+set -x
+
+# Unload VFIO-PCI Kernel Driver
+modprobe -r vfio-pci
+modprobe -r vfio_iommu_type1
+modprobe -r vfio
+
+# Re-Bind GPU to AMD Driver
+virsh nodedev-reattach pci_0000_01_00_1
+virsh nodedev-reattach pci_0000_01_00_0
+
+# Rebind VT consoles
+echo 1 > /sys/class/vtconsole/vtcon0/bind
+#echo 1 > /sys/class/vtconsole/vtcon1/bind
+
+# Re-Bind EFI-Framebuffer
+#echo "efi-framebuffer.0" > /sys/bus/platform/drivers/efi-framebuffer/bind
+
+#Load amd driver
+modprobe amdgpu
+
+# Restart Display Manager
+systemctl start sddm.service
+#systemctl start x11vnc.service
+
+#echo -n 0000:01:00.0 > /sys/bus/pci/drivers/vfio-pci/unbind || echo "Failed to unbind gpu from vfio-pci"
+#echo -n 0000:01:00.1 > /sys/bus/pci/drivers/vfio-pci/unbind || echo "Failed to unbind gpu-audio from vfio-pci"
+
+#echo -n 1002 67df > /sys/bus/pci/drivers/vfio-pci/remove_id
+#echo -n 1002 aaf0 > /sys/bus/pci/drivers/vfio-pci/remove_id
+
+#modprobe -r vfio-pci
+
+#echo -n 0000:01:00.0 > /sys/bus/pci/drivers/amdgpu/bind || echo "Failed to bind amdgpu"
+#echo -n 0000:01:00.1 > /sys/bus/pci/drivers/snd_hda_intel/bind || echo "Failed to bind amd hdmi audio"
+
+#systemctl isolate graphical.target
+#systemctl suspend