os/hosts/chocolatebar/virtualisation/default.nix

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{ config, pkgs, lib, ... }:
with lib;
let
psCfg = config.pub-solar;
xdg = config.home-manager.users."${psCfg.user.name}".xdg;
createService = import ./create-service.nix;
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generateXML = import ./guest-xml.nix;
generateTailsXML = import ./tails-xml.nix;
isolateGPU = "rx550x";
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memory = 48; # in GB
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handOverUSBDevices = true;
isolateAnyGPU = isolateGPU != null;
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in
{
config = mkIf psCfg.virtualisation.enable {
boot.extraModprobeConfig = mkIf isolateAnyGPU (concatStringsSep "\n" [
"softdep amdgpu pre: vfio vfio_pci"
(if isolateGPU == "rx5700xt"
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then "options vfio-pci ids=1002:731f,1002:ab38"
else "options vfio-pci ids=1002:699f,1002:aae0"
)
]);
systemd.user.services = {
vm-windows = createService {
inherit config;
inherit pkgs;
inherit lib;
vm = {
name = "windows";
disk = "/dev/disk/by-id/ata-SanDisk_SDSSDA240G_162402455603";
id = "http://microsoft.com/win/10";
gpu = true;
mountHome = false;
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memory = memory;
isolateGPU = isolateGPU;
handOverUSBDevices = handOverUSBDevices;
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generateXML = generateXML;
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};
};
vm-manjaro = createService {
inherit config;
inherit pkgs;
inherit lib;
vm = {
name = "manjaro";
disk = "/dev/disk/by-id/ata-KINGSTON_SM2280S3G2240G_50026B726B0265CE";
id = "https://manjaro.org/download/#i3";
gpu = true;
mountHome = true;
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memory = memory;
isolateGPU = isolateGPU;
handOverUSBDevices = handOverUSBDevices;
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generateXML = generateXML;
};
};
vm-tails = createService {
inherit config;
inherit pkgs;
inherit lib;
vm = {
name = "tails";
disk = "/var/lib/vms/tails/tails-amd64-5.4.iso";
# disk = "/var/lib/vms/nixos/nixos-minimal.iso";
id = "https://tails.boum.org/install/index.en.html";
gpu = false;
mountHome = false;
memory = 16;
isolateGPU = isolateGPU;
handOverUSBDevices = false;
generateXML = generateTailsXML;
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};
};
};
};
}