引用引用https://www.kernel.org/doc/Documentation/vfio-mediated-device.txt https://www.linux-kvm.org/images/5/59/02x03-Neo_Jia_and_Kirti_Wankhede-vGPU_on_KVM-A_VFIO_based_Framework.pdf https://wiki.gentoo.org/wiki/GPU_passthrough_with_libvirt_qemu_kvm
