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funny tmpfiles

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Gerg-L 2023-11-03 19:49:43 -04:00
parent 7eb0c12fd1
commit b66e783d26
Signed by: gerg-l
SSH key fingerprint: SHA256:FPYDHIkvMocr4wdmZXpgpJjsb2Tw6rASs2ISPbOb0KI
1 changed files with 33 additions and 32 deletions
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65
hosts/gerg-desktop/vfio.nix
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@ -145,9 +145,11 @@ in
'';
systemd.tmpfiles.rules =
let
qemuHook = pkgs.writeShellApplication {
systemd.tmpfiles.settings."vfio" = {
"/etc/Xorg/active.conf"."L".argument = "/etc/Xorg/2_mon.conf";
"/var/lib/libvirt/qemu/Windows.xml"."L+".argument = toString ./Windows.xml;
"/var/lib/libvirt/hooks/qemu"."L+".argument = lib.getExe (
pkgs.writeShellApplication {
name = "qemu-hook";
runtimeInputs = [
@ -160,38 +162,37 @@ in
OPERATION="$2"
if [ "$GUEST_NAME" == "Windows" ]; then
if [ "$OPERATION" == "prepare" ]; then
systemctl stop display-manager.service
modprobe -r -a nvidia_uvm nvidia_drm nvidia nvidia_modeset
virsh nodedev-detach pci_0000_01_00_0
virsh nodedev-detach pci_0000_01_00_1
systemctl set-property --runtime -- user.slice AllowedCPUs=8-15,24-31
systemctl set-property --runtime -- system.slice AllowedCPUs=8-15,24-31
systemctl set-property --runtime -- init.scope AllowedCPUs=8-15,24-31
ln -fs /etc/Xorg/1_mon.conf /etc/Xorg/active.conf
touch /etc/Xorg/ONE_MONITOR
systemctl start display-manager.service
fi
if [ "$OPERATION" == "release" ]; then
exit 0
fi
if [ "$OPERATION" == "prepare" ]; then
systemctl stop display-manager.service
systemctl set-property --runtime -- user.slice AllowedCPUs=0-31
systemctl set-property --runtime -- system.slice AllowedCPUs=0-31
systemctl set-property --runtime -- init.scope AllowedCPUs=0-31
virsh nodedev-reattach pci_0000_01_00_0
virsh nodedev-reattach pci_0000_01_00_1
modprobe -a nvidia_uvm nvidia_drm nvidia nvidia_modeset
ln -fs /etc/Xorg/2_mon.conf /etc/Xorg/active.conf
rm /etc/Xorg/ONE_MONITOR
modprobe -r -a nvidia_uvm nvidia_drm nvidia nvidia_modeset
virsh nodedev-detach pci_0000_01_00_0
virsh nodedev-detach pci_0000_01_00_1
systemctl set-property --runtime -- user.slice AllowedCPUs=8-15,24-31
systemctl set-property --runtime -- system.slice AllowedCPUs=8-15,24-31
systemctl set-property --runtime -- init.scope AllowedCPUs=8-15,24-31
ln -fs /etc/Xorg/1_mon.conf /etc/Xorg/active.conf
touch /etc/Xorg/ONE_MONITOR
systemctl start display-manager.service
fi
fi
if [ "$OPERATION" == "release" ]; then
systemctl stop display-manager.service
systemctl set-property --runtime -- user.slice AllowedCPUs=0-31
systemctl set-property --runtime -- system.slice AllowedCPUs=0-31
systemctl set-property --runtime -- init.scope AllowedCPUs=0-31
virsh nodedev-reattach pci_0000_01_00_0
virsh nodedev-reattach pci_0000_01_00_1
modprobe -a nvidia_uvm nvidia_drm nvidia nvidia_modeset
ln -fs /etc/Xorg/2_mon.conf /etc/Xorg/active.conf
rm /etc/Xorg/ONE_MONITOR
systemctl start display-manager.service
fi
'';
};
in
[
"L /etc/Xorg/active.conf - - - - /etc/Xorg/2_mon.conf"
"C /var/lib/libvirt/hooks/qemu - - - - ${lib.getExe qemuHook}"
"C /var/lib/libvirt/qemu/Windows.xml - - - - ${./Windows.xml}"
];
}
);
};
_file = ./vfio.nix;
}