Files
nixos/modules/system/kernel.nix

73 lines
2.6 KiB
Nix

inputs:
{
options.nixos.system.kernel = let inherit (inputs.lib) mkOption types; in
{
variant = mkOption
{
type = types.nullOr
(types.enum [ "nixos" "xanmod-lts" "xanmod-latest" "xanmod-unstable" "cachyos" "cachyos-rc" ]);
default = { x86_64 = "xanmod-lts"; aarch64 = "nixos"; }.${inputs.config.nixos.model.arch};
};
patches = mkOption { type = types.listOf types.nonEmptyStr; default = []; };
};
config = let inherit (inputs.config.nixos.system) kernel; in
{
boot =
{
kernelModules = [ "br_netfilter" ];
# modprobe --show-depends
initrd.availableKernelModules =
[
"bfq" "failover" "net_failover" "nls_cp437" "nls_iso8859-1" "sd_mod"
"sr_mod" "usbcore" "usbhid" "usbip-core" "usb-common" "usb_storage" "vhci-hcd" "virtio" "virtio_blk"
"virtio_net" "virtio_ring" "virtio_scsi" "cryptd" "libaes"
"ahci" "ata_piix" "nvme" "sdhci_acpi" "virtio_pci" "xhci_pci"
# network for nas
"igb"
# disk for srv1
"megaraid_sas"
# disks for cluster
"nfs" "nfsv4"
# netowrk for srv1
"bnx2x" "tg3"
# network for srv2
"e1000e" "igb" "atlantic" "igc" "tg3"
# network for srv3
"igb"
# touchscreen for one
"i2c-hid-acpi"
# bridge network
"bridge"
# disk for nas
"ahci" "nvme" "igc"
# tf card for pc
"sdhci_pci"
]
# touchscreen for one
++ (inputs.lib.optionals (inputs.config.nixos.model.arch == "x86_64") [ "pinctrl-tigerlake" ]);
extraModulePackages = inputs.lib.optionals (inputs.pkgs.stdenv.hostPlatform.linuxArch == "x86_64")
[ inputs.config.boot.kernelPackages.zenpower ];
kernelParams = inputs.lib.mkMerge
[
[ "delayacct" ]
(inputs.lib.mkIf (builtins.elem "btrfs" kernel.patches) [ "btrfs.read_policy=queue" ])
];
kernelPackages = inputs.lib.mkIf (kernel.variant != null)
{
nixos = inputs.pkgs.linuxPackages;
xanmod-lts = inputs.pkgs.linuxPackages_xanmod;
xanmod-latest = inputs.pkgs.linuxPackages_xanmod_latest;
cachyos = inputs.pkgs.cachyosKernels.linuxPackages-cachyos-latest;
}.${kernel.variant};
kernelPatches =
let
version = inputs.lib.versions.majorMinor inputs.config.boot.kernelPackages.kernel.version;
patches =
{
btrfs = [(inputs.topInputs.self.src.btrfs.${version} // { name = "btrfs"; })];
};
in builtins.concatLists (builtins.map (name: patches.${name}) kernel.patches);
};
};
}