Re: [PATCH v2] content: Reserve ID 52 for QPSFI device

[Demi Marie Obenour <demiobenour@gmail.com>]

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On 10/21/26 14:00, Peter Hilber wrote:
> Reserve a device ID for QPSFI devices (Qualcomm Platform Subsystem
> Firmware Interface). QPSFI devices expose functionality across SoC
> subsystems through a common Virtio-based protocol. There are no plans to
> standardize the devices.
> 
> The Linux DCP display driver series is planned as the first user of this
> device ID:
> 
> https://lore.kernel.org/all/20261015-jshekhar-drm-msm-dcp-v1-v1-10-48aad0fe4f72@oss.qualcomm.com/
> 
> Device ID 51 is already reserved for the Virtio HAB device:
> 
> https://lore.kernel.org/virtio-comment/20260702140939.3535968-1-zeloren@qti.qualcomm.com/
> 
> Signed-off-by: Peter Hilber <peter.hilber@oss.qualcomm.com>
> ---
> 
>     v2:
>     
>     - Rename the device from "Snapdragon device" to "QPSFI device".
>     
>     - Refer to DCP Linux driver patch as planned first QPSFI user.
>     
>     v1:
>     
>     - Was posted as "content: Reserve ID 52 for Snapdragon device":
>     
>       https://lore.kernel.org/virtio-comment/20260826115504.1955-1-peter.hilber@oss.qualcomm.com/
> 
>  content.tex | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/content.tex b/content.tex
> index 243ce2dde36b..7416939e67d3 100644
> --- a/content.tex
> +++ b/content.tex
> @@ -805,6 +805,8 @@ \chapter{Device Types}\label{sec:Device Types}
>  \hline
>  50         &   Video encoder/decoder device \\
>  \hline
> +52         &   QPSFI device \\
> +\hline
>  \end{longtable}
>  
>  Some of the devices above are unspecified by this document,

I think it would be best to have a single ID for vendor-specific devices.
I believe most of the ID space has already been used, at least for virtio-PCI.
-- 
Sincerely,
Demi Marie Obenour (she/her/hers)

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