add libvirt hooks

3 files changed, 94 insertions, 0 deletions

diff --git a/libvirt/hooks/qemu b/libvirt/hooks/qemu
new file mode 100755
index 0000000..155ec57
--- /dev/null
+++ b/libvirt/hooks/qemu
@@ -0,0 +1,34 @@
+#!/bin/bash
+#
+# Author: Sebastiaan Meijer ([email protected])
+#
+# Copy this file to /etc/libvirt/hooks, make sure it's called "qemu".
+# After this file is installed, restart libvirt.
+# From now on, you can easily add per-guest qemu hooks.
+# Add your hooks in /etc/libvirt/hooks/qemu.d/vm_name/hook_name/state_name.
+# For a list of available hooks, please refer to https://www.libvirt.org/hooks.html
+#
+
+GUEST_NAME="$1"
+HOOK_NAME="$2"
+STATE_NAME="$3"
+MISC="${@:4}"
+
+BASEDIR="$(dirname $0)"
+
+HOOKPATH="$BASEDIR/qemu.d/$GUEST_NAME/$HOOK_NAME/$STATE_NAME"
+
+set -e # If a script exits with an error, we should as well.
+
+# check if it's a non-empty executable file
+if [ -f "$HOOKPATH" ] && [ -s "$HOOKPATH"] && [ -x "$HOOKPATH" ]; then
+    eval \"$HOOKPATH\" "$@"
+elif [ -d "$HOOKPATH" ]; then
+    while read file; do
+        # check for null string
+        if [ ! -z "$file" ]; then
+          eval \"$file\" "$@"
+        fi
+    done <<< "$(find -L "$HOOKPATH" -maxdepth 1 -type f -executable -print;)"
+fi
+
diff --git a/libvirt/hooks/qemu.d/win11/prepare/begin/start.sh b/libvirt/hooks/qemu.d/win11/prepare/begin/start.sh
new file mode 100755
index 0000000..10dc07a
--- /dev/null
+++ b/libvirt/hooks/qemu.d/win11/prepare/begin/start.sh
@@ -0,0 +1,32 @@
+#!/bin/bash
+
+# for debugging
+set -x
+
+# stop sddm
+systemctl stop sddm.service
+
+# unbind vt console
+echo 0 > /sys/class/vtconsole/vtcon0/bind
+echo 0 > /sys/class/vtconsole/vtcon1/bind
+
+# avoid race condition
+sleep 10
+
+# unload gpu modules
+modprobe -r amdgpu
+modprobe -r gpu_sched
+modprobe -r ttm
+modprobe -r drm_kms_helper
+modprobe -r drm_ttm_helper
+modprobe -r i2c_algo_bit
+modprobe -r drm
+
+# unbind gpu
+virsh nodedev-detach pci_0000_06_00_0
+virsh nodedev-detach pci_0000_06_00_1
+
+# load vfio modules
+modprobe vfio
+modprobe vfio-pci
+modprobe vfio_iommu_type1
diff --git a/libvirt/hooks/qemu.d/win11/release/end/revert.sh b/libvirt/hooks/qemu.d/win11/release/end/revert.sh
new file mode 100755
index 0000000..502ed39
--- /dev/null
+++ b/libvirt/hooks/qemu.d/win11/release/end/revert.sh
@@ -0,0 +1,28 @@
+#!/bin/bash
+# debug
+set -x
+  
+# unload vfio modules
+modprobe -r vfio_pci
+modprobe -r vfio_iommu_type1
+modprobe -r vfio
+
+# rebind vt console
+echo 1 > /sys/class/vtconsole/vtcon0/bind
+echo 1 > /sys/class/vtconsole/vtcon1/bind
+
+# rebind gpu
+virsh nodedev-reattach pci_0000_06_00_1
+virsh nodedev-reattach pci_0000_06_00_0
+
+# reload gpu modules
+modprobe amdgpu
+modprobe gpu_sched
+modprobe ttm
+modprobe drm_kms_helper
+modprobe drm_ttm_helper
+modprobe i2c_algo_bit
+modprobe drm
+
+# restart sddm
+systemctl start sddm.service