The libvirt config of my vga passthrough vm

libvirt-windows10.xml

<domain type='kvm'
    xmlns:qemu='http://libvirt.org/schemas/domain/qemu/1.0'>
    <name>Windows10</name>
    <uuid>d3d9d84e-3ce4-d77e-9bcc-d1fb5ba85813</uuid>
    <memory unit='GiB'>8</memory>
    <memtune>
        <hard_limit unit="G">10</hard_limit>
    </memtune>
    <cpu mode='custom' match='exact'>
        <topology sockets='1' cores='4' threads='2'/>
    </cpu>
    <vcpu placement='static'>8</vcpu>
    <cputune>
        <vcpupin vcpu='0' cpuset='15'/>
        <vcpupin vcpu='1' cpuset='14'/>
        <vcpupin vcpu='2' cpuset='13'/>
        <vcpupin vcpu='3' cpuset='12'/>
        <vcpupin vcpu='4' cpuset='11'/>
        <vcpupin vcpu='5' cpuset='10'/>
        <vcpupin vcpu='6' cpuset='9'/>
        <vcpupin vcpu='7' cpuset='8'/>
    </cputune>
    <os>
        <type arch='x86_64' machine='pc'>hvm</type>
        <loader readonly='yes' type='pflash'>/usr/share/ovmf/x64/OVMF_CODE.fd</loader>
        <nvram template='/usr/share/ovmf/x64/OVMF_VARS.fd'/>
        <bootmenu enable='yes' timeout='3000'/>
    </os>
    <features>
        <hyperv>
            <vendor_id state='on' value='1234567890ab'/>
        </hyperv>
        <kvm>
            <hidden state='on'/>
        </kvm>
    </features>
    <clock offset='localtime'>
        <timer name='rtc' tickpolicy='catchup'/>
        <timer name='pit' tickpolicy='delay'/>
        <timer name='hpet' present='no'/>
        <timer name='hypervclock' present='yes'/>
    </clock>
    <on_poweroff>destroy</on_poweroff>
    <on_reboot>restart</on_reboot>
    <on_crash>restart</on_crash>
    <pm>
        <suspend-to-mem enabled='no'/>
        <suspend-to-disk enabled='no'/>
    </pm>
    <devices>
        <emulator>/usr/bin/qemu-system-x86_64</emulator>
    </devices>
</domain>