mirror of
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72 lines
2 KiB
Nix
72 lines
2 KiB
Nix
{ config, pkgs, lib, ... }:
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with lib;
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let
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win10-screenstub = pkgs.writeShellScriptBin "win10-screenstub" ''
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${pkgs.screenstub-kat}/bin/screenstub -c "${./screenstub.yml}" x
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'';
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win10-diskmapper = pkgs.writeShellScriptBin "win10-diskmapper" ''
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sudo ${pkgs.disk-mapper}/bin/disk-mapper /dev/disk/by-id/ata-ST2000DM008-2FR102_WK301C3H-part2
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'';
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in
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{
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# TODO: move to upstream screenstub with config options, move screenstub.yml into specific host
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deploy.profile.vfio = true;
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environment.systemPackages = with pkgs; [
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win10-screenstub
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win10-vm
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win10-diskmapper
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ddcutil
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];
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users.users.kat.extraGroups = [ "vfio" "input" "uinput" ];
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users.groups = { uinput = { }; vfio = { }; };
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boot = lib.mkMerge [{
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initrd.kernelModules = mkBefore [ "vfio" "vfio_iommu_type1" "vfio_pci" "vfio_virqfd" ];
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kernelModules = [ "i2c-dev" ]; # i2c-dev is required for DDC/CI for screenstub
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kernelPatches = with pkgs.kernelPatches; [
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(mkIf config.deploy.profile.hardware.acs-override acs-override)
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];
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}
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(mkIf (config.deploy.profile.hardware.amdgpu) {
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kernelParams = [
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"video=efifb:off"
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];
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extraModulePackages = [
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(pkgs.linuxPackagesFor config.boot.kernelPackages.kernel).vendor-reset
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];
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})
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(mkIf (config.deploy.profile.hardware.acs-override) {
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kernelParams = [
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"pci=noats"
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"pcie_acs_override=downstream,multifunction"
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];
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})];
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environment.etc."qemu/bridge.conf".text = "allow br";
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security.wrappers = {
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qemu-bridge-helper = {
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source = "${pkgs.qemu-vfio}/libexec/qemu-bridge-helper";
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};
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};
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services.udev.extraRules = ''
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SUBSYSTEM=="i2c-dev", GROUP="vfio", MODE="0660"
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SUBSYSTEM=="misc", KERNEL=="uinput", OPTIONS+="static_node=uinput", MODE="0660", GROUP="uinput"
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SUBSYSTEM=="vfio", OWNER="root", GROUP="vfio"
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'';
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security.pam.loginLimits = [{
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domain = "@vfio";
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type = "-";
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item = "memlock";
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value = "unlimited";
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}];
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systemd.extraConfig = "DefaultLimitMEMLOCK=infinity";
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}
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