infrastructure/modules/dgn-hardware.nix

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{
config,
lib,
pkgs,
...
}:
let
inherit (lib)
mkEnableOption
mkIf
mkMerge
mkOption
;
inherit (lib.types) listOf str;
2023-07-18 17:07:14 +02:00
cfg = config.dgn-hardware;
in
{
options.dgn-hardware = {
enable = mkEnableOption "default hardware configuration." // {
default = true;
};
useSystemd = mkEnableOption "sytemd boot and configuration." // {
default = true;
};
useZfs = mkEnableOption "zfs configuration.";
useBcachefs = mkEnableOption "bcachefs configuration";
zfsPools = mkOption {
type = listOf str;
default = [
"fast01"
"work01"
];
description = ''
ZFS pools present on the machine
'';
};
};
config = mkIf cfg.enable (mkMerge [
{
microvm.host.enable = lib.mkDefault false;
hardware.enableRedistributableFirmware = true;
hardware.cpu.intel.updateMicrocode = true;
nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
boot = {
initrd.availableKernelModules = [
"ata_piix"
"uhci_hcd"
"ehci_pci"
"virtio_pci"
"ahci"
"virtio_blk"
];
kernelModules = [ "kvm-intel" ];
kernelParams = [
"cgroup_enable=cpu"
"cgroup_enable=cpuset"
"cgroup_enable=memory"
"cgroup_memory=1"
];
};
}
(mkIf cfg.useSystemd {
boot.loader = {
systemd-boot.enable = true;
efi.canTouchEfiVariables = true;
};
})
(mkIf cfg.useBcachefs {
boot.supportedFilesystems = [ "bcachefs" ];
boot.kernelPackages = pkgs.linuxKernel.packages.linux_6_7;
})
(mkIf cfg.useZfs {
boot = {
supportedFilesystems = [ "zfs" ];
zfs = {
forceImportRoot = false;
extraPools = cfg.zfsPools;
package = pkgs.zfs_2_1;
};
};
})
]);
}