66 lines
1.8 KiB
Nix
66 lines
1.8 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.virtualisation.hypervGuest;
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in {
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options = {
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virtualisation.hypervGuest = {
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enable = mkEnableOption "Hyper-V Guest Support";
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videoMode = mkOption {
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type = types.str;
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default = "1152x864";
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example = "1024x768";
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description = lib.mdDoc ''
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Resolution at which to initialize the video adapter.
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Supports screen resolution up to Full HD 1920x1080 with 32 bit color
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on Windows Server 2012, and 1600x1200 with 16 bit color on Windows
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Server 2008 R2 or earlier.
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'';
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};
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};
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};
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config = mkIf cfg.enable {
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boot = {
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initrd.kernelModules = [
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"hv_balloon" "hv_netvsc" "hv_storvsc" "hv_utils" "hv_vmbus"
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];
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initrd.availableKernelModules = [ "hyperv_keyboard" ];
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kernelParams = [
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"video=hyperv_fb:${cfg.videoMode}" "elevator=noop"
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];
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};
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environment.systemPackages = [ config.boot.kernelPackages.hyperv-daemons.bin ];
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# enable hotadding cpu/memory
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services.udev.packages = lib.singleton (pkgs.writeTextFile {
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name = "hyperv-cpu-and-memory-hotadd-udev-rules";
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destination = "/etc/udev/rules.d/99-hyperv-cpu-and-memory-hotadd.rules";
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text = ''
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# Memory hotadd
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SUBSYSTEM=="memory", ACTION=="add", DEVPATH=="/devices/system/memory/memory[0-9]*", TEST=="state", ATTR{state}="online"
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# CPU hotadd
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SUBSYSTEM=="cpu", ACTION=="add", DEVPATH=="/devices/system/cpu/cpu[0-9]*", TEST=="online", ATTR{online}="1"
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'';
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});
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systemd = {
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packages = [ config.boot.kernelPackages.hyperv-daemons.lib ];
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services.hv-vss.unitConfig.ConditionPathExists = [ "/dev/vmbus/hv_vss" ];
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targets.hyperv-daemons = {
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wantedBy = [ "multi-user.target" ];
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};
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};
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};
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}
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