Xen Guest additions

[Octopuss]

As per this discussion:

TrueNAS SCALE Xen Guest additions

Hello, apologies for any english issues. I use SCALE on top of Xen with passthrough HBA/dedicated iommu group, passthrough NIC(SR-IOV), and jumbo frame internal network for same system networking. I am trying to maintain as much support compatibility as possible, and would like to avoid needing to run Dragonfish with developer mode enabled. Is there any plan to add Xen guest addition to SCALE? I see note in documentation (SCALE Hardware Guide | TrueNAS Documentation Hub) talking about guest ad…