dynamic vfio

appaquet · Dec 6, 2024 · f985fed · f985fed
1 parent 920bfba
commit f985fed
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Showing 3 changed files with 10 additions and 201 deletions.
diff --git a/gpu-old.sh b/gpu-old.sh
diff --git a/gpu.sh b/gpu.sh
diff --git a/nixos/deskapp/gpu-switch.nix b/nixos/deskapp/gpu-switch.nix
@@ -1,4 +1,7 @@
-{ lib, pkgs, config, ... }:
+{  pkgs, config, ... }:
+
+# TODO: systemd on boot to switch ?
+# TODO: qemu hooks
 
 let
   # Keep in sync with ./virt/default.nix
@@ -60,6 +63,12 @@ let
             sleep 5
         fi
 
+        gpu_driver=$(get_bus_driver $gpu_bus)
+        if [ "$gpu_driver" == "$to_driver" ]; then
+            echo "Loading drivers bound to $to_driver automatically"
+            exit 0
+        fi
+
         sleep 2
         echo "Binding GPU to $to_driver"
         echo $gpu_bus >/sys/bus/pci/drivers/$to_driver/bind