mirror of https://gitlab.com/YuriAlek/vfio
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132 lines
3.9 KiB
Bash
132 lines
3.9 KiB
Bash
#!/bin/bash
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## Check if the script is being run as root
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[[ "$EUID" -ne 0 ]] && echo "Please run as root" && exit 1
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## Tap interface
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tap_interface(){
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tap_start(){
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if [[ ! $(ip tuntap list | grep $1) ]]; then
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ip tuntap add mode tap user $VM_USER name $TAP_INTERFACE
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ip addr add dev $1 $TAP_IP
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ip link set dev $1 up
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fi
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}
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tap_stop(){
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if [[ $(ip tuntap list | grep $1) ]]; then
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ip link set dev $1 down
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ip tuntap del mode tap name $TAP_INTERFACE
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fi
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}
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if [ $1 == start ]; then tap_start $TAP_INTERFACE; elif [ $1 == stop ]; then tap_stop $TAP_INTERFACE; fi
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}
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## DHCP Server (DNSmasq)
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dhcp_server(){
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dhcp_start(){
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[[ -f /var/run/dnsmasq.pid ]] || dnsmasq --conf-file=$DNSMASQ_CONF
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}
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dhcp_stop(){
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[[ -f /var/run/dnsmasq.pid ]] && sudo kill -15 $(cat /var/run/dnsmasq.pid) && sudo rm /var/run/dnsmasq.pid
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}
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if [ $1 == start ]; then dhcp_start; elif [ $1 == stop ]; then dhcp_stop; fi
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}
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## Samba server
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samba_server(){
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samba_start(){
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[[ -f /var/run/smbd.pid ]] || sudo smbd --configfile=$SMB_CONF
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}
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samba_stop(){
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[[ -f /var/run/smbd.pid ]] && sudo kill -15 $(cat /var/run/smbd.pid)
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}
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if [ $1 == start ]; then samba_start; elif [ $1 == stop ]; then samba_stop; fi
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}
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## Load the config file
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source "${BASH_SOURCE%/*}/config"
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## Check libvirtd
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[[ $(systemctl status libvirtd | grep running) ]] || systemctl start libvirtd && sleep 1 && LIBVIRTD=STOPPED
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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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## Detach the GPU
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virsh nodedev-detach $VIRSH_GPU > /dev/null 2>&1
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virsh nodedev-detach $VIRSH_GPU_AUDIO > /dev/null 2>&1
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## Load vfio
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modprobe vfio
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modprobe vfio_iommu_type1
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modprobe vfio-pci
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## Start the network
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tap_interface start
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dhcp_server start
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samba_server start
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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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-m $MACOS_RAM \
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-cpu Penryn,kvm=on,vendor=GenuineIntel,+invtsc,vmware-cpuid-freq=on,$MACOS_OPTIONS\
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-machine pc-q35-2.11 \
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-smp $MACOS_CORES,sockets=1,cores=$(( $MACOS_CORES / 2 )),threads=2 \
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-device vfio-pci,host=$IOMMU_GPU,multifunction=on,x-vga=on,romfile=$VBIOS \
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-device vfio-pci,host=$IOMMU_GPU_AUDIO \
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-usb -device usb-kbd -device usb-tablet \
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-device nec-usb-xhci,id=xhci \
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-netdev tap,id=net0,ifname=$TAP_INTERFACE,script=no,downscript=no \
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-device e1000-82545em,netdev=net0,id=net0,mac=52:54:00:c9:18:27 \
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-device isa-applesmc,osk="ourhardworkbythesewordsguardedpleasedontsteal(c)AppleComputerInc" \
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-drive if=pflash,format=raw,readonly,file=$MACOS_OVMF \
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-drive if=pflash,format=raw,file=$MACOS_OVMF_VARS \
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-smbios type=2 \
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-device ide-drive,bus=ide.2,drive=Clover \
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-drive id=Clover,if=none,snapshot=on,format=qcow2,file=$MACOS_CLOVER \
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-device ide-drive,bus=ide.0,drive=ISO \
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-drive id=ISO,if=none,snapshot=on,media=cdrom,file=$MACOS_ISO \
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-device ide-drive,bus=ide.1,drive=HDD \
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-drive id=HDD,file=$MACOS_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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## Stop the network
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tap_interface stop
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dhcp_server stop
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samba_server stop
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## Unload vfio module
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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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## Reattach the GPU
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virsh nodedev-reattach $VIRSH_GPU_AUDIO > /dev/null 2>&1
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virsh nodedev-reattach $VIRSH_GPU > /dev/null 2>&1
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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
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systemctl start lightdm
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## If libvirtd was stopped then stop it
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[[ $LIBVIRTD == "STOPPED" ]] && systemctl stop libvirtd
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## Restore ulimit
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ulimit -l $ULIMIT
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