mirror of https://gitlab.com/YuriAlek/vfio
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174 lines
4.6 KiB
Bash
174 lines
4.6 KiB
Bash
#!/bin/bash
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# Check if the script is executed as root
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if [ "$EUID" -ne 0 ]
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then echo "Please run as root"
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exit 1
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fi
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# END Check if you are sudo
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# Variables
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USER=yu
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IOMMU_GPU=06:00.0
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IOMMU_GPU_AUDIO=06:00.1
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IOMMU_USB=07:00.3
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VIRSH_GPU=pci_0000_06_00_0
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VIRSH_GPU_AUDIO=pci_0000_06_00_1
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VIRSH_USB=pci_0000_07_00_3
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VBIOS=/home/$USER/vm/GK104_80.04.C3.00.0F-MODED.rom
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IMG=file=/home/$USER/vm/windows.raw,id=disk,format=raw,if=none
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WIN10=/home/$USER/vm/win10.iso
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VIRTIO=/home/$USER/vm/virtio-Windows-Drivers.iso
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HDD=file=/dev/sdc,media=disk,format=raw,if=none
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# HDD=file=/home/$USER/vm/windows.raw
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OVMF_CODE=/usr/share/ovmf/x64/OVMF_CODE.fd
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RAM=12G
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CORES=12
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RES="1920 1080"
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videoid="10de 1184"
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audioid="10de 0e0a"
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usbid="1022 145f"
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videobusid="0000:06:00.0"
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audiobusid="0000:06:00.1"
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usbbusid="0000:07:00.3"
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ULIMIT=$(ulimit -a | grep "max locked memory" | awk '{print $6}')
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# END Variables
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# Memory lock limit
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if [ $(ulimit -a | grep "max locked memory" | awk '{print $6}') != 12884900 ]; then
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ulimit -l 12884900
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fi
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## Kill X and related
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systemctl stop lightdm > /dev/null 2>&1
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killall i3 > /dev/null 2>&1
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sleep 2
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# Kill the console to free the GPU
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echo 0 > /sys/class/vtconsole/vtcon0/bind
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sleep 1
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echo 0 > /sys/class/vtconsole/vtcon1/bind
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sleep 1
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echo efi-framebuffer.0 > /sys/bus/platform/drivers/efi-framebuffer/unbind
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sleep 1
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# Unload the Kernel Modules that use the GPU
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modprobe -r nvidia_drm
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sleep 1
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modprobe -r nvidia_modeset
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sleep 1
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modprobe -r nvidia
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sleep 1
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modprobe -r snd_hda_intel
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sleep 2
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# Load the kernel module
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modprobe vfio
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sleep 1
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modprobe vfio_iommu_type1
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sleep 1
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modprobe vfio-pci
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sleep 1
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# Detach the GPU from drivers and attach to vfio. Also the usb.
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echo $videoid > /sys/bus/pci/drivers/vfio-pci/new_id
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sleep 1
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echo $videobusid > /sys/bus/pci/devices/$videobusid/driver/unbind
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sleep 1
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echo $videobusid > /sys/bus/pci/drivers/vfio-pci/bind
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sleep 1
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echo $videoid > /sys/bus/pci/drivers/vfio-pci/remove_id
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sleep 1
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echo $audioid > /sys/bus/pci/drivers/vfio-pci/new_id
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sleep 1
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echo $audiobusid > /sys/bus/pci/devices/$audiobusid/driver/unbind
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sleep 1
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echo $audiobusid > /sys/bus/pci/drivers/vfio-pci/bind
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sleep 1
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echo $audioid > /sys/bus/pci/drivers/vfio-pci/remove_id
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sleep 1
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echo $usbid > /sys/bus/pci/drivers/vfio-pci/new_id
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sleep 1
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echo $usbbusid > /sys/bus/pci/devices/$usbbusid/driver/unbind
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sleep 1
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echo $usbbusid > /sys/bus/pci/drivers/vfio-pci/bind
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sleep 1
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echo $usbid > /sys/bus/pci/drivers/vfio-pci/remove_id
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#ls -la /sys/bus/pci/devices/$usbbusid/
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sleep 1
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# QEMU (VM) command
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qemu-system-x86_64 -runas yu -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,threads=0 \
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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=$IOMMU_GPU_AUDIO \
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-device vfio-pci,host=$IOMMU_USB \
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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=$OVMF_CODE \
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-drive media=cdrom,file=$WIN10,id=virtiocd1,if=none \
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-device ide-cd,bus=ide.1,drive=virtiocd1 \
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-drive media=cdrom,file=$VIRTIO,id=virtiocd2,if=none \
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-device ide-cd,bus=ide.1,drive=virtiocd2 \
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-device virtio-scsi-pci,id=scsi0 \
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-device scsi-hd,bus=scsi0.0,drive=rootfs \
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-drive id=rootfs,$HDD > /dev/null 2>&1 &
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# END QEMU (VM) command
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# Wait for QEMU to finish before continue
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wait
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sleep 5
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# Unload the vfio module. I am lazy, this leaves the GPU without drivers
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modprobe -r vfio-pci
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sleep 2
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modprobe -r vfio_iommu_type1
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sleep 2
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modprobe -r vfio
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sleep 2
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# Reload the kernel modules. This loads the drivers for the GPU
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modprobe snd_hda_intel
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sleep 5
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modprobe nvidia_drm
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sleep 2
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modprobe nvidia_modeset
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sleep 2
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modprobe nvidia
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sleep 5
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# Bind the usb
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#echo $usbid > /sys/bus/pci/drivers/xhci_hcd/new_id
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echo $usbbusid > /sys/bus/pci/devices/$usbbusid/driver/unbind
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echo $usbbusid > /sys/bus/pci/drivers/xhci_hcd/bind
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sleep 10
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#echo $usbid > /sys/bus/pci/drivers/xhci_hcd/remove_id
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#ls -la /sys/bus/pci/devices/$usbbusid/
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# Re-Bind EFI-Framebuffer and Re-bind to virtual consoles
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# [Source] [https://github.com/joeknock90/Single-GPU-Passthrough/blob/master/README.md#vm-stop-script]
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echo 1 > /sys/class/vtconsole/vtcon0/bind
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sleep 1
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echo 1 > tee /sys/class/vtconsole/vtcon1/bind
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sleep 5
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#echo efi-framebuffer.0 > /sys/bus/platform/drivers/efi-framebuffer/bind
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#sleep 1
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# Reload the Display Manager to access X
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systemctl start lightdm
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sleep 5
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# Restore the Frame Buffer
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echo efi-framebuffer.0 > /sys/bus/platform/drivers/efi-framebuffer/bind
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sleep 1
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# Restore ulimit
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ulimit -l $ULIMIT
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