87 lines
2.0 KiB
Nix
87 lines
2.0 KiB
Nix
{
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config,
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pkgs,
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lib,
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...
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}: {
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virtualisation.libvirtd.enable = true;
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virtualisation.libvirtd.qemu.ovmf.enable = true;
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virtualisation.libvirtd.qemu.swtpm.enable = true;
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# IOMMU and VFIO settings
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# boot.kernelParams = [
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# "amd_iommu=on" # Use "intel_iommu=on" for Intel CPUs
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# "iommu=pt"
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# "vfio-pci.ids=10de:2504,10de:228e" # Replace with your GPU's vendor:device IDs
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# ];
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# boot.kernelModules = [
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# "vfio_pci"
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# "vfio"
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# "vfio_iommu_type1"
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# "vfio_virqfd"
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# ];
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#
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# # Early loading of VFIO
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# boot.initrd.kernelModules = [
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# "vfio_pci"
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# "vfio"
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# "vfio_iommu_type1"
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# "vfio_virqfd"
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# ];
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# Define the Windows 11 VM
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virtualisation.libvirtd.qemu.verbatimConfig = ''
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user = "root"
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group = "root"
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cgroup_device_acl = [
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"/dev/null", "/dev/full", "/dev/zero",
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"/dev/random", "/dev/urandom",
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"/dev/ptmx", "/dev/kvm", "/dev/kqemu",
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"/dev/rtc","/dev/hpet"
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]
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'';
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virtualisation.libvirtd.hooks.qemu = {
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"win11" = ''
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# Add any VM hooks here if needed
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'';
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};
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systemd.services.libvirtd-win11 = {
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description = "Windows 11 VM";
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after = ["libvirtd.service"];
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requires = ["libvirtd.service"];
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serviceConfig = {
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Type = "oneshot";
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RemainAfterExit = "yes";
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ExecStart = "${pkgs.libvirt}/bin/virsh define ${./windows.xml} && ${pkgs.libvirt}/bin/virsh start win11";
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ExecStop = "${pkgs.libvirt}/bin/virsh shutdown win11";
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};
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wantedBy = ["multi-user.target"];
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};
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# Setup Looking Glass shared memory
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systemd.tmpfiles.rules = [
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"f /dev/shm/looking-glass 0660 root qemu-libvirtd 32M"
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];
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environment.systemPackages = with pkgs; [
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virt-manager
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OVMF
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swtpm
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win-virtio
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looking-glass-client
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];
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# Networking for VM
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networking.bridges.virbr0.interfaces = [];
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networking.interfaces.virbr0.useDHCP = true;
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# Enable huge pages for better performance
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boot.kernel.sysctl."vm.nr_hugepages" = 8192;
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# Optional: Enable looking glass for low-latency VM display
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}
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