Experimenting with VFIO. Add script to turn it on or off.

scripts/.local/bin/vfio.sh

@@ -0,0 +1,38 @@
+#!/bin/bash
+
+if [ "$EUID" -ne 0 ]; then
+    echo "This script must be run as root. Quitting..."
+    exit 1
+fi
+
+if [ "$1" = "on" ]; then
+    if grep "#MODULES=()" /etc/mkinitcpio.conf &> /dev/null; then
+        echo "VFIO is already enabled. Quitting..."
+        exit 1
+    fi
+    
+    echo "Enabling VFIO..."
+    
+    sed -i 's/MODULES=()/#MODULES=()/g' /etc/mkinitcpio.conf
+    sed -i 's/#MODULES=(vfio/MODULES=(vfio/g' /etc/mkinitcpio.conf
+elif [ "$1" = "off" ]; then
+    if grep "#MODULES=(vfio" /etc/mkinitcpio.conf &> /dev/null; then
+        echo "VFIO is already disabled. Quitting..."
+        exit 1
+    fi
+    
+    echo "Disabling VFIO..."
+    
+    sed -i 's/#MODULES=()/MODULES=()/g' /etc/mkinitcpio.conf
+    sed -i 's/MODULES=(vfio/#MODULES=(vfio/g' /etc/mkinitcpio.conf
+else
+    echo "Please run with either 'on' or 'off' as command line argument. Quitting..."
+    exit 1
+fi
+
+sleep 0.5
+echo "Rebuilding initramfs..."
+
+mkinitcpio -P
+
+echo "Done!"