卖萌的弱渣

I am stupid, I am hungry.

Play Virtio on QEMU

  • QEMU: 2.4
  • Host: Linux3.10
  • Guest: Opensuse 12.x with Linux3.10

Original QEMU commands

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qemu-system-x86_64 -enable-kvm -rtc base=utc,clock=vm,driftfix=none \
-bios bios.bin -device piix3-usb-uhci -soundhw ac97,hda -m 1024 \
-serial tcp::1223,server,nowait -net nic,macaddr=00:20:18:11:01:23,model=rtl8139,vlan=0 \
-net tap,vlan=0,script=/data/images/qemu-image/qemu-ifup0.sh \
-hda /data/images/qemu-image/opensuse-50G.img -name 23 -cpu core2duo \
-monitor stdio -smp sockets=1,cores=2,threads=1 -vnc :23

virtio-gpu

Just standard VGA right now. Will suport 3D in the future.

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qemu-system-x86_64 -enable-kvm -rtc base=utc,clock=vm,driftfix=none \
-bios bios.bin -device piix3-usb-uhci -soundhw ac97,hda -m 1024 \
-serial tcp::1223,server,nowait -net nic,macaddr=00:20:18:11:01:23,model=rtl8139,vlan=0 \
-net tap,vlan=0,script=/data/images/qemu-image/qemu-ifup0.sh \
-hda /data/images/qemu-image/opensuse-50G.img -name 23 -cpu core2duo \
-monitor stdio -smp sockets=1,cores=2,threads=1 -vnc :23 -vga virtio

virtio-net

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qemu-system-x86_64 -enable-kvm -rtc base=utc,clock=vm,driftfix=none \
-bios bios.bin -device piix3-usb-uhci -soundhw ac97,hda -m 1024 -serial tcp::1223,server,nowait \
-netdev tap,script=/data/images/qemu-image/qemu-ifup0.sh,id=net0 \
-device virtio-net-pci,netdev=net0 -hda /data/images/qemu-image/opensuse.img \
-name 23 -cpu core2duo -monitor stdio -smp sockets=1,cores=2,threads=1

virtio-net + virtio-serial port

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qemu-system-x86_64 -enable-kvm -rtc base=utc,clock=vm,driftfix=none -bios bios.bin \
-device piix3-usb-uhci -soundhw ac97,hda -m 1024 -serial tcp::1223,server,nowait \
-netdev tap,script=/data/images/qemu-image/qemu-ifup0.sh,id=net0 -device virtio-net-pci,netdev=net0 \
-hda /data/images/qemu-image/opensuse-50G.raw -name 23 -cpu core2duo -monitor stdio\
 -smp sockets=1,cores=1,threads=1 -vnc :23 -device virtio-serial-pci \
-chardev socket,id=foo,host=localhost,port=1224,server,nowait \
-device virtserialport,chardev=foo,name=virtio.port.0

Test virtio serial port

  • On Host
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nc localhost 1224 > test.txt
  • On Guest
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echo "hello" > /dev/virtio-ports/virtio.port.0
  • Resut

Cat test.txt on host, you will see “hello”

virtio-blk

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qemu-system-x86_64 -enable-kvm -rtc base=utc,clock=vm,driftfix=none \
-bios bios.bin -device piix3-usb-uhci -soundhw ac97,hda -m 1024 -serial tcp::1223,server,nowait \
-net nic,macaddr=00:20:18:11:01:23,model=rtl8139,vlan=0 \
-net tap,vlan=0,script=/data/images/qemu-image/qemu-ifup0.sh \
-drive file=/data/images/qemu-image/opensuse.img,if=virtio,boot=on \
-name 23 -cpu core2duo -monitor stdio -smp sockets=1,cores=1,threads=1 -vnc :23

virtio-scsi

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qemu-system-x86_64 -enable-kvm -rtc base=utc,clock=vm,driftfix=none \
-bios bios.bin -device piix3-usb-uhci -soundhw ac97,hda -m 1024 \
-serial tcp::1223,server,nowait -net nic,macaddr=00:20:18:11:01:23,model=rtl8139,vlan=0 \
-net tap,vlan=0,script=/data/images/qemu-image/qemu-ifup0.sh \
-drive if=none,id=hd,file=/data/images/qemu-image/opensuse-50G.raw \
-device virtio-scsi-pci,id=scsi -device scsi-hd,drive=hd -name 23 \
-cpu core2duo -monitor stdio -smp sockets=1,cores=1,threads=1 -vnc :23

virtio-scsi cdrom

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qemu-system-x86_64 -enable-kvm -rtc base=utc,clock=vm,driftfix=none \
-bios bios.bin -device piix3-usb-uhci -soundhw ac97,hda -m 1024 \
-serial tcp::1223,server,nowait -net nic,macaddr=00:20:18:11:01:23,model=rtl8139,vlan=0 \
-net tap,vlan=0,script=/data/images/qemu-image/qemu-ifup0.sh \
-drive if=none,id=hd,file=/data/images/qemu-image/opensuse-50G.raw \
-device virtio-scsi-pci,id=scsi -device scsi-hd,drive=hd -name 23 \
-cpu core2duo -monitor stdio -smp sockets=1,cores=1,threads=1 -vnc :23\
-drive if=none,file=/path/xxx.iso,id=cd -device scsi-cd,drive=cd

virtio-input-pci

  • Require:
    1. Guest Linux Kernel >= 4.1
    2. QEMU >=2.4
  • keyboard: add -device virtio-keyboard-pci
  • mouse: add -device virtio-mouse-pci
  • tablet: add -device virtio-tablet-pci