initial commit to prepare for rewrite into golang for actual use

old_bash_version/lib/get_GPU_GROUP.sh

@@ -0,0 +1,84 @@
+#!/bin/bash
+# shellcheck disable=SC1091
+
+function get_GPU_GROUP () {
+    clear
+    # Get the config paths
+    source "$SCRIPTDIR/lib/paths.sh"
+
+    printf "For this card to be passthrough-able, it must contain only:
+* The GPU/Graphic card
+* The GPU Audio Controller
+
+Optionally it may also include:
+* GPU USB Host Controller
+* GPU Serial Port
+* GPU USB Type-C UCSI Controller
+* PCI Bridge (if they are in their own IOMMU groups)
+
+NOTE: If the audio controller is missing, it might be in a separate IOMMU group, please run
+\"%s/utils/ls-iommu\" -i %s -rr -F \"pciaddr,subclass_name:,name,device_id,optional_revision\"
+and add the PCI address and deviceID to the config manually (this is not done automatically because the -rr flag is unreliable if the system has 2 cards from the same vendor)
+
+" "$SCRIPTDIR" "$1"
+    echo "#------------------------------------------#"
+    "$SCRIPTDIR/utils/ls-iommu" -i "$1" -r -F subclass_name:,name,device_id,optional_revision # | cut -d " " -f 1-5,6- | perl -pe "s/\[[0-9a-f]{4}\]: //"
+    echo "#------------------------------------------#"
+
+    printf "
+To use any of these devices for passthrough ALL of them (except PCI bridges in their own IOMMU groups) has to be passed through to the VMs\
+
+To return to the previous page just press ENTER without typing in anything.
+"
+    read -r -p "Do you want to use these devices for passthrough? [y/N]: " YESNO
+
+    case "${YESNO}" in
+        [Yy]*)
+            # Get the hardware ids from the selected group
+            local GPU_DEVID
+            GPU_DEVID=$("$SCRIPTDIR/utils/ls-iommu" -i "$1" -r --id | perl -pe "s/\n/,/" | perl -pe "s/,$/\n/")
+
+            # Get the PCI ids
+            local PCI_ID
+            PCI_ID=$("$SCRIPTDIR/utils/ls-iommu" -i "$1" -r --pciaddr | perl -pe "s/([0-9a-f]{2}:[0-9a-f]{2}.[0-9a-f]{1})\n/\"\1\" /" | perl -pe "s/\s$//")
+
+            # Write the GPU_PCI_IDs to the config that quickemu might make use of in the future
+            echo "GPU_PCI_ID=($PCI_ID)
+USB_CTL_ID=()" > "$SCRIPTDIR/$QUICKEMU/qemu-vfio_vars.conf"
+
+            # Get the GPU ROM
+            "$SCRIPTDIR/lib/get_GPU_ROM.sh" "$1"
+
+            # Start setting up modules
+            if [ -d "/etc/initramfs-tools" ];
+            then
+                exec "$SCRIPTDIR/lib/set_INITRAMFSTOOLS.sh" "$GPU_DEVID"
+            
+            elif [ -d "/etc/dracut.conf" ];
+            then
+                exec "$SCRIPTDIR/lib/set_DRACUT.sh" "$GPU_DEVID"
+            
+            elif [ -f "/etc/mkinitcpio.conf" ];
+            then
+                exec "$SCRIPTDIR/lib/set_MKINITCPIO.sh" "$GPU_DEVID"
+            else
+                # Bind GPU to VFIO
+                "$SCRIPTDIR/lib/set_VFIO.sh" "$GPU_DEVID"
+
+                # Configure modprobe
+                "$SCRIPTDIR/lib/set_MODPROBE.sh" "$GPU_DEVID"
+            fi
+        ;;
+        *)
+            exec "$SCRIPTDIR/lib/get_GPU.sh"
+        ;;
+    esac
+}
+
+function main () {
+    SCRIPTDIR=$(dirname "$(realpath "$0")" | perl -pe "s/\/\.\.\/lib//" | perl -pe "s/\/lib$//")
+
+    get_GPU_GROUP "$1"
+}
+
+main "$1"