[vfio-users] Is Intel gvt-d the same thing as IGD passthrough UPT mode?

[Alex Williamson]

On Tue, 16 Oct 2018 11:28:56 +0800
Acewind <acewind at gmail.com> wrote:

> ref1: https://github.com/intel/gvt-linux/wiki/GVTd_Setup_Guide
> ref2: https://github.com/qemu/qemu/blob/master/docs/igd-assign.txt
> 
> Universal Pass-Through (UPT) mode set IGD as secondary VGA device in the
> guest, and in Intel gvt-d guide, the IGD device also can not not use
> 00:02.0 address, are they both the same thing?

I think GVT-d is direct assignment of IGD in general and legacy vs UPT
mode is a nuance within GVT-d.  Assigning IGD as secondary graphics and
avoiding bus address 00:02.0 certainly suggests UPT.  Thanks,

Alex