Bun/nixos-config
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Move variables to more convenient folder

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This commit is contained in:
Jimbo 2024-11-24 16:53:49 -05:00
parent 87a53e364f
commit 9c03712908
30 changed files with 159 additions and 45 deletions
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33
hosts/extern/boot/default.nix vendored
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@ -1,7 +1,36 @@
{ config, pkgs, ... }:
{
let
commonKernelParams = [
# VM/GPU passthrough
"amd_iommu=on"
"iommu=pt"
"nested=1"
# Virtualization nonsense
"transparent_hugepage=never"
# Isolate devices into IOMMU groups
"pcie_acs_override=downstream,multifunction"
"pci=routeirq"
];
in {
boot = {
kernelPackages = pkgs.linuxPackages_latest;
# Must be Zen for IOMMU isolation
kernelPackages = pkgs.unstable.linuxPackages_zen;
kernel.sysctl."vm.max_map_count" = 2147483642;
kernelParams = commonKernelParams ++ [ "vfio-pci.ids=10de:1f82,10de:10fa" ];
blacklistedKernelModules = [ "pcspkr" ];
# Needed for GPU passthrough
initrd.kernelModules = [
"vfio"
"vfio_pci"
"vfio_iommu_type1"
];
};
# Use second GPU on boot
specialisation.gputwo.configuration = {
boot.kernelParams = commonKernelParams ++ [ "vfio-pci.ids=10de:2504,10de:228e" ];
};
}