dotfiles/hosts/malachite/default.nix

{ config, pkgs, lib, ... }:
let
  passthrough = pkgs.writeShellApplication { 
    name = "passthrough.sh";
    runtimeInputs = lib.attrVals [ "coreutils" "kmod" "libvirt" "procps" ] pkgs;
    text = ''
      GUEST_NAME="$1"
      HOOK_NAME="$2"
      STATE_NAME="$3"

      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

          # We love race conditions
          sleep 2

          # 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

          sleep 2

        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
          bin/echo 1 > /sys/class/vtconsole/vtcon1/bind

        fi

      fi

    '';
  };
in {
  imports =
    [
      ./hardware-configuration.nix
      ../default.nix
    ];
    virtualisation.libvirtd.hooks.qemu = {
      passthrough = "${passthrough}/bin/passthrough.sh";
    };

  stitchyconf = {
    artPkgs.enable = true;
  };

  virtualisation.libvirtd = {
    enable = true;
    onBoot = "ignore";
  };
  hardware = {
    opentabletdriver.enable = true;
    steam-hardware.enable = true;
  };

  networking.networkmanager.enable = true;
  services.syncthing = {
    enable = true;
    user = "stitchynyan";
    openDefaultPorts = true;
    databaseDir = "/home/stitchynyan/.local/share/syncthing";
    dataDir = "/home/stitchynyan";
  };
  
  networking.hostName = "malachite";

  time.timeZone = "America/Los_Angeles";

  # Read the Docs before Changing
  system.stateVersion = "23.05"; # Did you read the comment?
}