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nixos/adrastea: add nvidia for CUDA computing (not for display) #115

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Jun 2, 2024
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nixos/adrastea: add nvidia for CUDA computing (not for display) #115

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1 change: 1 addition & 0 deletions nixos/configurations/adrastea/default.nix
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Expand Up @@ -2,7 +2,7 @@
# your system. Help is available in the configuration.nix(5) man page
# and in the NixOS manual (accessible by running ‘nixos-help’).

{ pkgs, lib, ... }:

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variable will bind to this definition 

note: var-bind-to-this

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variable will bind to this definition 

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{
inclyc = {
Expand All @@ -21,6 +21,7 @@
./networking.nix
./vm.nix
./wireguard.nix
./nvidia.nix
];

boot.binfmt.emulatedSystems = [ "aarch64-linux" "riscv64-linux" ];
Expand Down Expand Up @@ -48,9 +49,9 @@
};
};

environment.systemPackages = with pkgs.libsForQt5; [

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escaping this with expression 

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ark
] ++ (with pkgs; [

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this variable will escape nested `with`, binding to static name 

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escaping this with expression 

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gnumake
qemu
virt-viewer
Expand All @@ -71,7 +72,7 @@
lldb
llvmPackages_16.clang
llvmPackages_16.bintools
(lib.meta.hiPrio clang-tools_16)

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this variable will escape nested `with`, binding to static name 

nixf-tidy detected warning on your code: sema-escaping-with
rr
ccache

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2 changes: 0 additions & 2 deletions nixos/configurations/adrastea/hardware-configuration.nix
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Expand Up @@ -27,8 +27,6 @@
# These modules are required for PCI passthrough, and must come before early modesetting stuff
boot.kernelModules = [ "vfio" "vfio_iommu_type1" "vfio_pci" "vfio_virqfd" "kvm-intel" ];

boot.extraModprobeConfig = "options vfio-pci ids=10de:1f06,10de:10f9,10de:1ada,10de:1adb";
boot.extraModulePackages = [ ];

fileSystems."/" =
{
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15 changes: 15 additions & 0 deletions nixos/configurations/adrastea/nvidia.nix
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@@ -0,0 +1,15 @@
{ config, ... }:
let
kernelPackages = config.boot.kernelPackages;
nvidia = kernelPackages.nvidia_x11;
in
{
# Provides kernel pacakges
boot.extraModulePackages = [ nvidia ];

# Provides nvidia-smi
environment.systemPackages = [ nvidia ];

# Set "NVIDIA_KERNEL" for furthur references.
environment.sessionVariables = { NVIDIA_KERNEL = nvidia; };
}
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