/usr/bin/qemu-system-ppc64 kvm pseries-4.2 ppc64 /usr/share/AAVMF/AAVMF_CODE.fd /usr/share/AAVMF/AAVMF32_CODE.fd /usr/share/OVMF/OVMF_CODE.fd rom pflash yes no no off on off POWER8 POWER9 POWER8 POWER7 file anonymous memfd disk cdrom lun scsi virtio usb sata virtio virtio-transitional virtio-non-transitional sdl vnc egl-headless subsystem default mandatory requisite optional usb pci scsi default vfio virtio virtio-transitional virtio-non-transitional random egd builtin path handle spapr-tpm-proxy 1.2 pty unix virtio qemu builtin