/usr/bin/qemu-system-x86_64 kvm pc-i440fx-2.6 x86_64 /usr/share/AAVMF/AAVMF_CODE.fd /usr/share/OVMF/OVMF_CODE.fd rom pflash yes no disk cdrom floppy lun ide fdc scsi virtio usb sdl vnc spice subsystem default mandatory requisite optional usb pci scsi default kvm vfio