mirror of
https://github.com/gensokyo-zone/infrastructure.git
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72 lines
2.3 KiB
Nix
72 lines
2.3 KiB
Nix
{ config, pkgs, lib, ... }:
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with lib;
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{
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deploy.profile.vfio = true;
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environment.systemPackages = with pkgs; [
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screenstub
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kat-vm
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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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} (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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}) ( mkIf (config.deploy.profile.hardware.acs-override) {
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kernelPatches = [
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{
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name = "acs-patch.patch";
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patch = (pkgs.fetchpatch {
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name = "acs-patch.patch";
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url = "https://gitlab.com/Queuecumber/linux-acs-override/-/raw/cc30d83d05019b84468db3ad009bc02ab1bab240/workspaces/5.6.12/acso.patch?inline=false";
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sha256 = "0qjb66ydbqqypyvhhlq8zwry8zcd8609y8d4a0nidhq1g6cp9vcw";
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});
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}
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];
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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=="usb", ACTION=="add", ATTRS{idVendor}=="1532", ATTRS{idProduct}=="0067", GROUP="vfio"
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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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SUBSYSTEM=="block", ACTION=="add", ATTRS{model}=="HFS256G32TNF-N3A", ATTRS{wwid}=="t10.ATA HFS256G32TNF-N3A0A MJ8BN15091150BM1Z ", OWNER="kat"
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'';
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# TODO: Replace this drive forward with one half of the 1.82TiB drive.
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# SUBSYSTEM=="block", ACTION=="add", ATTR{partition}=="2", ATTR{size}=="1953503232", ATTRS{wwid}=="naa.5000039fe6e8614e", OWNER="kat"
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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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