138 lines
3.7 KiB
Nix
138 lines
3.7 KiB
Nix
{ config, lib, pkgs, outputs, modulesPath, ... }: let
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# Set common boot paramaters
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commonKernelParams = [
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# Nvidia settings
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"nvidia_drm.fbdev=1"
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"nouveau.config=NvGspRm=1"
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# VM/GPU passthrough
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"amd_iommu=on"
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"iommu=pt"
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"nested=1"
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# Virtualization nonsense
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"transparent_hugepage=never"
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# Isolate devices into IOMMU groups
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"pcie_acs_override=downstream,multifunction"
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"pci=routeirq"
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];
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in {
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imports = [
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(modulesPath + "/installer/scan/not-detected.nix")
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];
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# Set all boot options
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boot = {
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# Set a kernel version and load/blacklist drivers
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kernelPackages = pkgs.unstable.linuxPackages_zen;
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blacklistedKernelModules = [
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"pcspkr"
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];
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kernel.sysctl."vm.max_map_count" = 2147483642;
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kernelParams = commonKernelParams ++ [
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"vfio-pci.ids=10de:1f82,10de:10fa"
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];
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initrd = {
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availableKernelModules = [
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"nvme"
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"xhci_pci"
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"ahci"
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"usbhid"
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"usb_storage"
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"sd_mod"
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];
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kernelModules = [
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"vfio"
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"vfio_pci"
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"vfio_iommu_type1"
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"kvm-amd"
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];
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luks.devices = {
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"crypt-ssd" = {
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device = "/dev/disk/by-uuid/52110c74-19b6-40ef-9710-e6c9b157005f";
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preLVM = true;
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allowDiscards = true;
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};
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};
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};
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};
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# Additional entry to boot from the second GPU
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specialisation = {
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gputwo.configuration = {
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boot.kernelParams = commonKernelParams ++ ["vfio-pci.ids=10de:2504,10de:228e"];
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};
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};
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# Mount everything as necessary
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fileSystems = {
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"/" = {
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device = "/dev/disk/by-uuid/bbfed7d1-62f2-4d8e-b63f-7f6ec932105b";
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fsType = "btrfs";
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options = [ "subvol=@" "noatime" "nodiratime" "discard" ];
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};
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"/home" = {
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device = "/dev/disk/by-uuid/bbfed7d1-62f2-4d8e-b63f-7f6ec932105b";
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fsType = "btrfs";
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options = [ "subvol=@home" "noatime" "nodiratime" "discard" ];
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};
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"/nix" = {
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device = "/dev/disk/by-uuid/bbfed7d1-62f2-4d8e-b63f-7f6ec932105b";
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fsType = "btrfs";
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options = [ "subvol=@nix" "noatime" "nodiratime" "discard" ];
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};
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"/var" = {
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device = "/dev/disk/by-uuid/bbfed7d1-62f2-4d8e-b63f-7f6ec932105b";
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fsType = "btrfs";
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options = [ "subvol=@var" "noatime" "nodiratime" "discard" ];
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};
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"/boot" = {
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device = "/dev/disk/by-uuid/3B4A-76C9";
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fsType = "vfat";
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options = [ "fmask=0022" "dmask=0022" ];
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};
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"/etc/libvirt" = {
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device = "/dev/disk/by-label/Qemu";
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options = [ "nosuid" "nodev" "nofail" ];
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};
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"/var/lib/libvirt" = {
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depends = [ "/etc/libvirt" ];
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device = "/etc/libvirt/varlibvirt";
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options = [ "bind" "rw" ];
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};
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"/mnt/Linux1" = {
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device = "/dev/disk/by-label/Linux1";
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options = [ "nosuid" "nodev" "nofail" "x-gvfs-show" ];
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};
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"/mnt/Linux2" = {
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device = "/dev/disk/by-label/Linux2";
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options = [ "nosuid" "nodev" "nofail" "x-gvfs-show" ];
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};
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"/mnt/Windows1" = {
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device = "/dev/disk/by-label/Windows1";
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options = [ "nosuid" "nodev" "noauto" ];
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};
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"/mnt/Windows2" = {
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device = "/dev/disk/by-label/Windows2";
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options = [ "nosuid" "nodev" "noauto" ];
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};
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"/home/jimbo/JimboNFS" = {
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device = "${outputs.ips.server}:/export/JimboNFS";
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fsType = "nfs4";
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options = [ "x-systemd.automount" "_netdev" "nofail" "noauto" ];
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};
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};
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# Set the swap partition
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swapDevices = [
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{ device = "/dev/disk/by-uuid/1a6a68d0-8ae7-4836-a585-b708597937a1"; }
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];
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# Enables DHCP on each ethernet and wireless interface.
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networking.useDHCP = lib.mkDefault true;
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nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
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hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
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}
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