Maximizing Gaming Performance through Virtualization QEMU Gfx Passthrough

I'm trying to do PCIe passthrough to a VirtMGR, KVM/QEMU virtual machine running Windows 10. The discrete graphics are initializing with the virtual BIOS. GPU passthrough is a technology that allows the Linux kernel to directly present an internal PCI GPU to a virtual machine. I am following a tutorial on how to run a VM that can use my GPU, and I have run into a problem. Here are the tutorials. Intel integrated GPU passthrough (GVT-d). As well as the -priv flag, qemu must be launched with the -std-vga and -gfx_passthru flags. The actual PCI ... ... gfx_passthru=0 pci=[ '02:00.0', '02:00.1 ... The reason is that the new qemu-xen (qemu upstream) still doesn't support VGA passthrough. There are multiple methods for virtual machine graphics display which yield greatly accelerated or near bare metal performance. gfx_passthru=on|off: Enables IGD GFX passthrough support for the chosen machine when available. vmport=on|off|auto: Enables emulation of VMWare IO port, for ... Upstream qemu-xen device-model currently does not have -support for gfx_passthru. +gfx_passthru is currently supported both with the qemu-xen-traditional + ... img on which I'd like to improve I/O performance. KVM and QEMU provide two paravirtualized storage backends: the older virtio-blk (default) and the more modern ... Although we already have 'gfx_passthru' in b_info, this doesn' suffice after we want to handle IGD specifically. Now we define a new field of type, ...