mirror of https://gitlab.com/YuriAlek/vfio
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86 lines
2.5 KiB
Bash
86 lines
2.5 KiB
Bash
#!/bin/bash
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## Check if the script was executed as root
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[[ "$EUID" -ne 0 ]] && echo "Please run as root" && exit 1
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## Load the config file
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source "${BASH_SOURCE%/*}/config"
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## Memory lock limit
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[[ $ULIMIT != $ULIMIT_TARGET ]] && ulimit -l $ULIMIT_TARGET
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## Kill the Display Manager
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systemctl stop lightdm
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sleep 1
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## Remove the framebuffer and console
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echo 0 > /sys/class/vtconsole/vtcon0/bind
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echo 0 > /sys/class/vtconsole/vtcon1/bind
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echo efi-framebuffer.0 > /sys/bus/platform/drivers/efi-framebuffer/unbind
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## Unload the nvidia drivers
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modprobe -r nvidia_drm
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modprobe -r nvidia_modeset
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modprobe -r nvidia
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modprobe -r snd_hda_intel
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## Load vfio
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modprobe vfio-pci
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## Detach the GPU
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echo $videoid > /sys/bus/pci/drivers/vfio-pci/new_id
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echo $videobusid > /sys/bus/pci/devices/$videobusid/driver/unbind
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echo $videobusid > /sys/bus/pci/drivers/vfio-pci/bind
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echo $videoid > /sys/bus/pci/drivers/vfio-pci/remove_id
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echo $audioid > /sys/bus/pci/drivers/vfio-pci/new_id
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echo $audiobusid > /sys/bus/pci/devices/$audiobusid/driver/unbind
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echo $audiobusid > /sys/bus/pci/drivers/vfio-pci/bind
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echo $audioid > /sys/bus/pci/drivers/vfio-pci/remove_id
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# QEMU (VM) command
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qemu-system-x86_64 -runas $VM_USER -enable-kvm \
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-nographic -vga none -parallel none -serial none \
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-enable-kvm \
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-m $RAM \
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-cpu host,kvm=off,hv_relaxed,hv_spinlocks=0x1fff,hv_time,hv_vapic,hv_vendor_id=0xDEADBEEFFF \
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-rtc clock=host,base=localtime \
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-smp $CORES,sockets=1,cores=$(( $CORES / 2 )),threads=2 \
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-device vfio-pci,host=$IOMMU_GPU,multifunction=on,x-vga=on,romfile=$VBIOS \
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-device vfio-pci,host=$IOMMU_GPU_AUDIO \
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-device virtio-net-pci,netdev=n1 \
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-netdev user,id=n1 \
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-drive if=pflash,format=raw,readonly,file=$OVMF \
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-drive media=cdrom,file=$WINDOWS_ISO,id=cd1,if=none \
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-device ide-cd,bus=ide.1,drive=cd1 \
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-drive media=cdrom,file=$VIRTIO,id=cd2,if=none \
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-device ide-cd,bus=ide.1,drive=cd2 \
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-device virtio-scsi-pci,id=scsi0 \
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-device scsi-hd,bus=scsi0.0,drive=rootfs \
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-drive id=rootfs,file=$WINDOWS_IMG,media=disk,format=qcow2,if=none >> $LOG 2>&1 &
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# Wait for QEMU
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wait
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## Unload vfio
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modprobe -r vfio-pci
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modprobe -r vfio_iommu_type1
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modprobe -r vfio
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# Reload the kernel modules
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modprobe snd_hda_intel
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modprobe nvidia_drm
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modprobe nvidia_modeset
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modprobe nvidia
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## Reload the framebuffer and console
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echo 1 > /sys/class/vtconsole/vtcon0/bind
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nvidia-xconfig --query-gpu-info > /dev/null 2>&1
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echo efi-framebuffer.0 > /sys/bus/platform/drivers/efi-framebuffer/bind
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# Reload the Display Manager to access X
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systemctl start lightdm
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# Restore ulimit
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ulimit -l $ULIMIT
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