095e9f4f6b
- Add .gitignore for common languages, tools, and OS/editor artifacts - Configure .gitattributes for Git LFS (fonts, images, archives, ISOs) - Add README with repo description - Add flake.nix defining inputs and outputs for NixOS, Home Manager, and related modules - Introduce home-manager configs: - Base home.nix with packages, services, and programs - Hyprland WM configuration (waybar, fuzzel, keybindings, theming) - Vim (nixvim) setup with LSP and plugins - Zsh setup with aliases, Oh My Zsh, clipboard helpers - Systemd user services (e.g., librespot) - Add scripts (GPU monitor, RAM build helper, install automation) - Add host configurations: - Nixbook (Apple laptop) with hardware, disko, and install script - Nixstation (desktop) with firewall, virtualization, Btrfs scrub timer - Nixtest (test VM) with QEMU + Alpine-based install test harness - Common modules (network, NVIDIA, rclone, screen, keychron, users) - Include statix config for linting
51 lines
1.2 KiB
Nix
51 lines
1.2 KiB
Nix
# Under maintanence
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{ pkgs
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, ...
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}:
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let
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# Optional helper for manual (re)binding at runtime
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vfioBindScript = pkgs.writeShellScriptBin "vfio-bind" ''
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#!${pkgs.runtimeShell}
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DEV="$1" # e.g. 0000:81:00.0
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echo vfio-pci > /sys/bus/pci/devices/$DEV/driver_override
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${pkgs.kmod}/bin/modprobe -i vfio-pci
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echo "$DEV" > /sys/bus/pci/drivers/vfio-pci/bind
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'';
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in
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{
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nixpkgs.config.allowUnfree = true;
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boot = {
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# Load vfio early and bind the second GPU before NVIDIA can claim it
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initrd = {
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kernelModules = [ "vfio_pci" ];
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preDeviceCommands = ''
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DEVS="0000:81:00.0 0000:81:00.1"
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for DEV in $DEVS; do
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echo "vfio-pci" > /sys/bus/pci/devices/$DEV/driver_override
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done
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modprobe -i vfio-pci
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for DEV in $DEVS; do
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echo $DEV > /sys/bus/pci/drivers/vfio-pci/bind
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done
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'';
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};
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kernelParams = [
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"intel_iommu=on"
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"iommu=pt"
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];
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kernelModules = [
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"vfio_pci"
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"vfio"
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"vfio_iommu_type1"
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"vfio_virqfd"
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];
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blacklistedKernelModules = [ "nouveau" ];
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};
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environment.systemPackages = with pkgs; [
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vfioBindScript # optional manual tool
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];
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}
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