kvm

gpu_pass.sh (4012B) - View raw

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#!/bin/sh
set -e
WRKDIR=$PWD

if [ "$(id -u)" -ne 0 ]
  then printf "The script has to be run as root.\n"
  exit
fi

if [ -x "$(command -v doas)" ]; then
  PERMUSER=$DOAS_USER
  evalcommand="doas -u $PERMUSER"
else
  PERMUSER=$SUDO_USER
  evalcommand="sudo -u $PERMUSER"
fi

run_as_user() {
  $evalcommand "$@"
}

run_as_user mkdir -p /home/"$PERMUSER"/.local/share/vgabios
run_as_user cp "$WRKDIR"/Hooks/patch.rom /home/"$PERMUSER"/.local/share/vgabios

pacman -S qemu-desktop libvirt edk2-ovmf virt-manager dnsmasq wget --noconfirm


mkdir /etc/libvirt/hooks

# Online version
#wget 'https://raw.githubusercontent.com/PassthroughPOST/VFIO-Tools/master/libvirt_hooks/qemu' \
#     -O /etc/libvirt/hooks/qemu

cp "$WRKDIR"/Hooks/qemu /etc/libvirt/hooks/

chmod +x /etc/libvirt/hooks/qemu

mkdir -p /etc/libvirt/hooks/qemu.d/win10-hidden-pt/prepare/begin
mkdir -p /etc/libvirt/hooks/qemu.d/win10-hidden-pt/release/end

cat <<EOL >> /etc/libvirt/hooks/qemu.d/win10-hidden-pt/prepare/begin/start.sh
#!/bin/bash
set -x

source "/etc/libvirt/hooks/kvm.conf"

#systemctl stop sddm.service
killall Hyprland

echo 0 > /sys/class/vtconsole/vtcon0/bind
echo 0 > /sys/class/vtconsole/vtcon1/bind
echo efi-framebuffer.0 > /sys/bus/platform/drivers/efi-framebuffer/unbind
sleep 10
modprobe -r nvidia_drm
modprobe -r nvidia_modeset
modprobe -r nvidia_uvm
modprobe -r drm_kms_helper
modprobe -r nvidia
#modprobe -r drm

virsh nodedev-detach $VIRSH_GPU_VIDEO
virsh nodedev-detach $VIRSH_GPU_AUDIO

modprobe vfio
modprobe vfio_pci
modprobe vfio_iommu_type1

#./usr/share/UnbindUSB/vfio-usb.sh 0000:00:14.0
EOL

cat <<EOL >> /etc/libvirt/hooks/qemu.d/win10-hidden-pt/release/end/revert.sh
#!/bin/bash
set -x
source "/etc/libvirt/hooks/kvm.conf"

modprobe -r vfio_pci
modprobe -r vfio_iommu_type1
modprobe -r vfio

virsh nodedev-reattach $VIRSH_GPU_VIDEO
virsh nodedev-reattach $VIRSH_GPU_AUDIO

echo 1 > /sys/class/vtconsole/vtcon0/bind
echo 0 > /sys/class/vtconsole/vtcon1/bind

nvidia-xconfig --query-gpu-info > /dev/null 2>&1

echo "efi-framebuffer.0" > /sys/bus/platform/drivers/efi-framebuffer/bind

modprobe nvidia_drm
modprobe nvidia_modeset
modprobe drm_kms_helper
modprobe nvidia
modprobe drm
modprobe nvidia_uvm

#systemctl start sddm.service

#echo 0000:00:14.0 > /sys/bus/pci/drivers/vfio-pci/unbind
#echo 0000:00:14.0 > /sys/bus/pci/drivers/xhci_hcd/bind
EOL

chmod +x /etc/libvirt/hooks/qemu.d/win10-hidden-pt/prepare/begin/start.sh
chmod +x /etc/libvirt/hooks/qemu.d/win10-hidden-pt/release/end/revert.sh

case "$(readlink -f /sbin/init)" in
  *systemd*)
cat <<EOL >> /etc/libvirt/hooks/qemu.d/win10-hidden-pt/prepare/begin/cpuisolation.sh
#!/bin/sh
systemctl set-property --runtime -- user.slice AllowedCPUs=0,6
systemctl set-property --runtime -- system.slice AllowedCPUs=0,6
systemctl set-property --runtime -- init.scope AllowedCPUs=0,6
EOL
cat <<EOL >> /etc/libvirt/hooks/qemu.d/win10-hidden-pt/release/end/cpurevert.sh
#!/bin/sh
systemctl set-property --runtime -- user.slice AllowedCPUs=0-11
systemctl set-property --runtime -- system.slice AllowedCPUs=0-11
systemctl set-property --runtime -- init.scope AllowedCPUs=0-11
EOL
    ;;
  *dinit*)
    pacman --noconfirm -S libvirt-dinit
cat <<EOL >> /etc/libvirt/hooks/qemu.d/win10-hidden-pt/prepare/begin/cpuisolation.sh
#!/bin/sh
echo "+cpuset" > /sys/fs/cgroup/cgroup.subtree_control
echo "0,16" > /sys/fs/cgroup/1/cpuset.cpus
EOL
cat <<EOL >> /etc/libvirt/hooks/qemu.d/win10-hidden-pt/release/end/cpurevert.sh
#!/bin/sh
echo "0-31" > /sys/fs/cgroup/1/cpuset.cpus
echo "+cpuset" > /sys/fs/cgroup/cgroup.subtree_control
EOL
    dinitctl start libvirtd
    ;;
esac

chmod +x /etc/libvirt/hooks/qemu.d/win10-hidden-pt/prepare/begin/cpuisolation.sh
chmod +x /etc/libvirt/hooks/qemu.d/win10-hidden-pt/release/end/cpurevert.sh


cat <<EOL >> /etc/libvirt/hooks/kvm.conf
VIRSH_GPU_VIDEO=pci_0000_01_00_0
VIRSH_GPU_AUDIO=pci_0000_01_00_1
EOL

# usermod -aG libvirt,kvm,input,audio,video "$PERMUSER"
usermod -aG libvirt,input "$PERMUSER"

virsh net-autostart default