Re: [PATCH] content: Reserve ID 52 for Snapdragon device

[Jan Kiszka <jan.kiszka@siemens.com>]

On 26.08.26 13:55, Peter Hilber wrote:
> Reserve a device ID for the Snapdragon device.  A Virtio Snapdragon
> device exposes functionality across Snapdragon SoC subsystems through a
> common Virtio-based protocol.
> 

Virtio is supposed to provide generic hardware models, not so much a
channel to expose concrete, physical chip IP over it. This looks very
weird to me.

Also, isn't Snapdragon a protected brand by Qualcomm? Would it even
legally be fine use it in the spec?

> Device ID 51 is already reserved for the Virtio HAB device:
> 
> https://lore.kernel.org/virtio-comment/20260702140939.3535968-1-zeloren@qti.qualcomm.com/
> 

I think I even voted for this, but likely without checking back what
this may become. I was expecting (hoping?) for a generic, portable inter
VM channel using shared memory. I hope HAB can be that as well - besides
enabling some very Qualcomm-specific and unportable pass-through of
accelerators or so.

Does a "Snapdragon device" have any relation to / dependency on HAB, or
is this just the ID collision why it is mentioned here?

Jan

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