helm/hosts/shiro/hardware-configuration.nix
2020-10-15 03:42:02 -04:00

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# Do not modify this file! It was generated by nixos-generate-config
# and may be overwritten by future invocations. Please make changes
# to /etc/nixos/configuration.nix instead.
{ config, lib, pkgs, inputs, modulesPath, ... }:
{
imports = [
(modulesPath + "/installer/scan/not-detected.nix")
inputs.nixos-hardware.nixosModules.dell-xps-13-9370
];
boot = {
initrd.availableKernelModules = [ "xhci_pci" "nvme" "rtsx_pci_sdmmc" ];
initrd.kernelModules = [ "dm-snapshot" ];
kernelModules = [ "kvm-intel" ];
extraModulePackages = [ ];
# HACK Disables fixes for spectre, meltdown, L1TF and a number of CPU
# vulnerabilities. This is not a good idea for mission critical or
# server/headless builds, but on my lonely home system I prioritize raw
# performance over security. The gains are minor.
kernelParams = [ "mitigations=off" ];
};
# CPU
nix.maxJobs = lib.mkDefault 8;
powerManagement.cpuFreqGovernor = lib.mkDefault "ondemand";
hardware.cpu.intel.updateMicrocode = true;
# Power management
environment.systemPackages = [ pkgs.acpi ];
powerManagement.powertop.enable = true;
# Monitor backlight control
programs.light.enable = true;
user.extraGroups = [ "video" ];
# Storage
fileSystems = {
"/" = {
device = "/dev/disk/by-label/nixos";
fsType = "ext4";
options = [ "noatime" ];
};
"/boot" = {
device = "/dev/disk/by-label/BOOT";
fsType = "vfat";
};
"/home" = {
device = "/dev/disk/by-label/home";
fsType = "ext4";
options = [ "noatime" ];
};
};
swapDevices = [ { device = "/dev/disk/by-label/swap"; }];
boot.initrd.luks.devices.home = {
device = "/dev/nvme0n1p8";
preLVM = true;
allowDiscards = true;
};
}