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feat: Some vm stuff and rsyncd

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uttarayan21
2025-02-21 15:11:38 +05:30
parent 7b243d810d
commit a10ca460df
7 changed files with 55 additions and 103 deletions
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128
nixos/ryu/vms/win11.nix
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@@ -1,31 +1,34 @@
{ config, pkgs, lib, ... }:
{
config,
pkgs,
lib,
...
}: {
virtualisation.libvirtd.enable = true;
virtualisation.libvirtd.qemu.ovmf.enable = true;
virtualisation.libvirtd.qemu.swtpm.enable = true;
# IOMMU and VFIO settings
boot.kernelParams = [
"amd_iommu=on" # Use "intel_iommu=on" for Intel CPUs
"iommu=pt"
"vfio-pci.ids=10de:2504,10de:228e" # Replace with your GPU's vendor:device IDs
];
# boot.kernelParams = [
# "amd_iommu=on" # Use "intel_iommu=on" for Intel CPUs
# "iommu=pt"
# "vfio-pci.ids=10de:2504,10de:228e" # Replace with your GPU's vendor:device IDs
# ];
boot.kernelModules = [
"vfio_pci"
"vfio"
"vfio_iommu_type1"
"vfio_virqfd"
];
# Early loading of VFIO
boot.initrd.kernelModules = [
"vfio_pci"
"vfio"
"vfio_iommu_type1"
"vfio_virqfd"
];
# boot.kernelModules = [
# "vfio_pci"
# "vfio"
# "vfio_iommu_type1"
# "vfio_virqfd"
# ];
#
# # Early loading of VFIO
# boot.initrd.kernelModules = [
# "vfio_pci"
# "vfio"
# "vfio_iommu_type1"
# "vfio_virqfd"
# ];
# Define the Windows 11 VM
virtualisation.libvirtd.qemu.verbatimConfig = ''
@@ -47,87 +50,15 @@
systemd.services.libvirtd-win11 = {
description = "Windows 11 VM";
after = [ "libvirtd.service" ];
requires = [ "libvirtd.service" ];
after = ["libvirtd.service"];
requires = ["libvirtd.service"];
serviceConfig = {
Type = "oneshot";
RemainAfterExit = "yes";
ExecStart = let
win11xml = pkgs.writeText "win11.xml" ''
<domain type='kvm' xmlns:qemu='http://libvirt.org/schemas/domain/qemu/1.0'>
<name>win11</name>
<memory unit='GiB'>16</memory>
<vcpu placement='static'>8</vcpu>
<cpu mode='host-passthrough' check='none'>
<topology sockets='1' dies='1' cores='4' threads='2'/>
<feature policy='require' name='topoext'/>
</cpu>
<os>
<type arch='x86_64' machine='pc-q35-8.0'>hvm</type>
<loader readonly='yes' type='pflash'>/run/libvirt/nix-ovmf/OVMF_CODE.fd</loader>
<nvram>/var/lib/libvirt/qemu/nvram/win11_VARS.fd</nvram>
<boot dev='hd'/>
<boot dev='cdrom'/>
</os>
<features>
<acpi/>
<apic/>
<hyperv mode='custom'>
<relaxed state='on'/>
<vapic state='on'/>
<spinlocks state='on' retries='8191'/>
<vendor_id state='on' value='123456789123'/>
</hyperv>
<vmport state='off'/>
</features>
<devices>
<disk type='file' device='disk'>
<driver name='qemu' type='qcow2' discard='unmap'/>
<source file='/var/lib/libvirt/images/win11.qcow2'/>
<target dev='vda' bus='virtio'/>
</disk>
<disk type='file' device='cdrom'>
<driver name='qemu' type='raw'/>
<source file='/var/lib/libvirt/images/Win11.iso'/>
<target dev='sda' bus='sata'/>
<readonly/>
</disk>
<disk type='file' device='cdrom'>
<driver name='qemu' type='raw'/>
<source file='/var/lib/libvirt/images/virtio-win.iso'/>
<target dev='sdb' bus='sata'/>
<readonly/>
</disk>
<interface type='bridge'>
<source bridge='virbr0'/>
<model type='virtio'/>
</interface>
<hostdev mode='subsystem' type='pci' managed='yes'>
<source>
<address domain='0x0000' bus='0x01' slot='0x00' function='0x0'/>
</source>
</hostdev>
<hostdev mode='subsystem' type='pci' managed='yes'>
<source>
<address domain='0x0000' bus='0x01' slot='0x00' function='0x1'/>
</source>
</hostdev>
<memballoon model='virtio'/>
</devices>
<qemu:commandline>
<qemu:arg value='-cpu'/>
<qemu:arg value='host,hv_time,kvm=off,hv_vendor_id=null'/>
<qemu:arg value='-device'/>
<qemu:arg value='ivshmem-plain,memdev=looking-glass'/>
<qemu:arg value='-object'/>
<qemu:arg value='memory-backend-file,id=looking-glass,share=on,mem-path=/dev/shm/looking-glass,size=32M'/>
</qemu:commandline>
</domain>
'';
in "${pkgs.libvirt}/bin/virsh define ${win11xml} && ${pkgs.libvirt}/bin/virsh start win11";
ExecStart = "${pkgs.libvirt}/bin/virsh define ${./windows.xml} && ${pkgs.libvirt}/bin/virsh start win11";
ExecStop = "${pkgs.libvirt}/bin/virsh shutdown win11";
};
wantedBy = [ "multi-user.target" ];
wantedBy = ["multi-user.target"];
};
# Setup Looking Glass shared memory
@@ -151,4 +82,5 @@
boot.kernel.sysctl."vm.nr_hugepages" = 8192;
# Optional: Enable looking glass for low-latency VM display
}
}