How to perform Bluetooth SIG qualification of a Linux / BlueZ based product?

[Christian Eggers <ceggers@arri.de>]

I feel that I can't see the forest for the trees...

I am in the process of performing Bluetooth SIG qualification of our
first Bluetooth product. According to what I understand, an end user product 
(Core-Complete configuration) consists of a hardware (controller) part and a
software (host) part. I already have a QDID from the controller vendor,
but I feel unable to provide the QDID for Linux/BlueZ.

Of course I understand that Linux/BlueZ is open source, so there is no
company behind for performing qualification (But I found one qualification
for Zephyr OS made by Linux corporation).

So do I need to qualify the concrete version of Linux/BlueZ myself? How
much effort would this cause? Google KI mentions a tool named
"Bluetooth Launch Studio" for this, but visiting launchstudio.bluetooth.com
redirects to the qualification workspace.

So how to obtain a proper QDID/DN for the host part of my product?

regards,
Christian