depot/third_party/nixpkgs/nixos/modules/virtualisation/hyperv-guest.nix
Default email d419639f9c Project import generated by Copybara.
GitOrigin-RevId: 6b1057b452c55bb3b463f0d7055bc4ec3fd1f381
2021-02-17 18:02:09 +01:00

66 lines
1.8 KiB
Nix

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