[GPU Passthru to a BSD Guest]

I'm using OVMF and the XML is:

<domain type="kvm">
  <name>freebsd13.0</name>
  <uuid>b28ab815-5983-4598-9800-7f0fe1948b57</uuid>
  <metadata>
    <libosinfo:libosinfo xmlns:libosinfo="http://libosinfo.org/xmlns/libvirt/domain/1.0">
      <libosinfo:os id="http://freebsd.org/freebsd/13.0"/>
    </libosinfo:libosinfo>
  </metadata>
  <memory>16777216</memory>
  <currentMemory>16777216</currentMemory>
  <vcpu current="8">8</vcpu>
  <os>
    <type arch="x86_64" machine="q35">hvm</type>
    <loader readonly="yes" type="pflash">/usr/share/edk2-ovmf/x64/OVMF_CODE.fd</loader>
    <boot dev="hd"/>
  </os>
  <features>
    <acpi/>
    <apic/>
    <vmport state="off"/>
  </features>
  <cpu mode="host-passthrough">
    <topology sockets="1" cores="8" threads="1"/>
  </cpu>
  <clock offset="utc">
    <timer name="rtc" tickpolicy="catchup"/>
    <timer name="pit" tickpolicy="delay"/>
    <timer name="hpet" present="no"/>
  </clock>
  <pm>
    <suspend-to-mem enabled="no"/>
    <suspend-to-disk enabled="no"/>
  </pm>
  <devices>
    <emulator>/usr/bin/qemu-system-x86_64</emulator>
    <disk type="file" device="disk">
      <driver name="qemu" type="qcow2"/>
      <source file="/home/rei/Documents/virt/vms/freebsd13.0"/>
      <target dev="vda" bus="virtio"/>
    </disk>
    <disk type="file" device="cdrom">
      <driver name="qemu" type="raw"/>
      <source file="/home/rei/Documents/virt/iso/FreeBSD-13.1-RELEASE-amd64-disc1.iso"/>
      <target dev="sda" bus="sata"/>
      <readonly/>
    </disk>
    <controller type="usb" model="ich9-ehci1"/>
    <controller type="usb" model="ich9-uhci1">
      <master startport="0"/>
    </controller>
    <controller type="usb" model="ich9-uhci2">
      <master startport="2"/>
    </controller>
    <controller type="usb" model="ich9-uhci3">
      <master startport="4"/>
    </controller>
    <interface type="network">
      <source network="default"/>
      <mac address="52:54:00:71:00:a9"/>
      <model type="virtio"/>
    </interface>
    <console type="pty"/>
    <channel type="spicevmc">
      <target type="virtio" name="com.redhat.spice.0"/>
    </channel>
    <sound model="ich6"/>
    <hostdev mode="subsystem" type="pci" managed="yes">
      <source>
        <address domain="0" bus="12" slot="0" function="0"/>
      </source>
    </hostdev>
    <hostdev mode="subsystem" type="pci" managed="yes">
      <source>
        <address domain="0" bus="12" slot="0" function="1"/>
      </source>
    </hostdev>
    <hostdev mode="subsystem" type="pci" managed="yes">
      <source>
        <address domain="0" bus="14" slot="0" function="3"/>
      </source>
    </hostdev>
    <redirdev bus="usb" type="spicevmc"/>
    <redirdev bus="usb" type="spicevmc"/>
  </devices>
</domain>

 

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