quemu hooks

hosts/malachite/default.nix

@@ -10,6 +10,75 @@
 
   time.timeZone = "America/Los_Angeles";
 
+  let
+    passthrough = pkgs.writeShellScript "pasthrough.sh" ''
+      #/usr/bin/env bash
+
+      GUEST_NAME="$1"
+      HOOK_NAME="$2"
+      STATE_NAME="$3"
+
+      set -e
+      set -x
+      
+      # For the windows 10 VM
+      if[$GUEST_NAME == 'win10']; then
+
+        # Prepare hook
+        if["$HOOK_NAME/$STATE_NAME" == "prepare/begin"]; then
+
+          # Remove Hyprland
+          pkill Hyprland
+
+          # Unbind VTconsoles
+          echo 0 > /sys/class/vtconsole/vtcon0/bind
+          echo 0 > /sys/class/vtconsole/vtcon1/bind
+
+          # Unbind EFI-Framebuffer
+          echo efi-framebuffer.0 > /sys/bus/platform/drivers/efi-framebuffer/unbind
+
+          # Unload Modules
+          modprobe -r nvidia_drm nvidia_modeset nvidia_uvm nvidia
+
+          # Unbind the GPU from display driver
+          virsh nodedev-detach pci_0000_01_00_0
+          virsh nodedev-detach pci_0000_01_00_1
+
+          # Load VFIO Kernel Module 
+          modprobe vfio_pci
+
+        elif["$HOOK_NAME/$STATE_NAME" == "release/end"]; then
+
+          # Re-Bind GPU to Nvidia Driver (replace the pci addresses with yours)
+          virsh nodedev-reattach pci_0000_01_00_0
+          virsh nodedev-reattach pci_0000_01_00_1
+
+          modprobe -r vfio-pci
+
+          #bind efi
+          echo "efi-framebuffer.0" > /sys/bus/platform/drivers/efi-framebuffer/bind
+
+          # Reload nvidia modules
+          modprobe nvidia_drm
+          modprobe nvidia_modeset
+          modprobe nvidia_uvm
+          modprobe nvidia
+
+          # Rebind VT consoles
+          echo 1 > /sys/class/vtconsole/vtcon0/bind
+          echo 1 > /sys/class/vtconsole/vtcon1/bind
+
+        fi
+
+      fi
+
+    '';
+  in {
+    virtualization.libvirtd.hooks.qemu = {
+      passthrough = "${passthrough}";
+    };
+  };
+
   # Read the Docs before Changing
   system.stateVersion = "23.05"; # Did you read the comment?
 }