51 lines
1.1 KiB
Nix
51 lines
1.1 KiB
Nix
{ pkgs, ... }:
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let
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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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boot = {
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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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# Encryption and TPM
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initrd = {
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systemd.enable = true;
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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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}
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