mirror of
https://github.com/Gerg-L/nixos.git
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Gerg-L
dc2db4a9bc
added ways to use different branches of nixpkgs made unfree packages have to specified switched to nix master branch moved sxhkd from a seperate flake switched spotify and maim versions because both are broken on nixos-unstable right now moved afk-cmds from local to remote added flake-utils for easier devShell decleration switched my mom's laptop to stable branch
67 lines
1.9 KiB
Nix
67 lines
1.9 KiB
Nix
_: {
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pkgs,
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settings,
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...
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}: {
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boot = {
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kernelParams = ["amd_iommu=on" "iommu=pt" "vfio_iommu_type1.allow_unsafe_interrupts=1" "kvm.ignore_msrs=1"];
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kernelModules = ["kvm-amd" "vfio_virqfd" "vfio_pci" "vfio_iommu_type1" "vfio"];
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initrd.kernelModules = ["vfio_virqfd" "vfio_pci" "vfio_iommu_type1" "vfio"];
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extraModprobeConfig = ''
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options vfio-pci ids=10de:228e,10de:2504
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'';
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};
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virtualisation = {
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libvirtd = {
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enable = true;
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qemu = {
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runAsRoot = true;
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ovmf.enable = true;
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verbatimConfig = ''
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user = "${settings.username}"
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group = "kvm"
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namespaces = []
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'';
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};
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};
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};
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environment = {
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systemPackages = with pkgs; [virt-manager];
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shellAliases = {
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vm-start = "virsh start Windows";
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vm-stop = "virsh shutdown Windows";
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};
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};
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users.users."${settings.username}".extraGroups = ["kvm" "libvirtd"];
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systemd.services.libvirtd.preStart = let
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qemuHook = pkgs.writeScript "qemu-hook" ''
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#!${pkgs.stdenv.shell}
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GUEST_NAME="$1"
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OPERATION="$2"
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SUB_OPERATION="$3"
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if [ "$GUEST_NAME" == "Windows" ]; then
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if [ "$OPERATION" == "start" ]; then
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systemctl set-property --runtime -- user.slice AllowedCPUs=8-15,24-31
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systemctl set-property --runtime -- system.slice AllowedCPUs=8-15,24-31
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systemctl set-property --runtime -- init.scope AllowedCPUs=8-15,24-31
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fi
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if [ "$OPERATION" == "stopped" ]; then
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systemctl set-property --runtime -- user.slice AllowedCPUs=0-31
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systemctl set-property --runtime -- system.slice AllowedCPUs=0-31
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systemctl set-property --runtime -- init.scope AllowedCPUs=0-31
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fi
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fi
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'';
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in ''
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mkdir -p /var/lib/libvirt/hooks
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chmod 755 /var/lib/libvirt/hooks
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# Copy hook files
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ln -sf ${qemuHook} /var/lib/libvirt/hooks/qemu
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'';
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}
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