From 8f59167bdcf53156511041b844ff79a69476f328 Mon Sep 17 00:00:00 2001
From: Manuel Bentele
Date: Tue, 31 Aug 2021 09:37:23 +0200
Subject: [qemu] Change permissions of PCI passthrough devices for QEMU user
 session

---
 core/modules/qemu/data/opt/openslx/scripts/systemd-qemu_env | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/core/modules/qemu/data/opt/openslx/scripts/systemd-qemu_env b/core/modules/qemu/data/opt/openslx/scripts/systemd-qemu_env
index e835a849..144a0faf 100755
--- a/core/modules/qemu/data/opt/openslx/scripts/systemd-qemu_env
+++ b/core/modules/qemu/data/opt/openslx/scripts/systemd-qemu_env
@@ -21,8 +21,21 @@
 #
 source /opt/openslx/vmchooser/run-virt-includes/vmchooser_runvirt_functions.inc
 source /opt/openslx/vmchooser/plugins/qemukvm/includes/kernel-cmdln.inc
+source /opt/openslx/vmchooser/plugins/qemukvm/includes/passthrough-pci.inc
 source /opt/openslx/vmchooser/plugins/qemukvm/includes/passthrough-mdev.inc
 
+if passthrough_pci_enabled; then
+	# check if passthrough is configured properly
+	if ! passthrough_pci_check; then
+		slxlog --echo "qemu" "PCI device passthrough is enabled but not setup properly!"
+		exit 1;
+	fi
+
+	# allow access to passthrough IOMMU devices from libvirt-passthrough group
+	chown -R root:libvirt-passthrough /dev/vfio/* || slxlog --echo "qemu" "Could not set owner and group for 'vfio' IOMMU devices!"
+	chmod -R 660 /dev/vfio/* || slxlog --echo "qemu" "Could not change access mode for 'vfio' IOMMU devices!"
+fi
+
 if passthrough_mdev_enabled; then
 	# check if passthrough is configured properly
 	if ! passthrough_mdev_check; then
-- 
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