topic Re: Communication between Linux and Zephyr using Virtio net in i.MX Processors

Communication between Linux and Zephyr using Virtio net

jim4604 — Fri, 06 Jun 2025 09:13:30 GMT

In my current system, Linux runs on CPU0 while Zephyr runs on CPUs 1-3. I need to implement Virtio net communication between Linux and Zephyr. The Heterogeneous Multicore Framework's FreeRTOS implementation has a net backend that appears suitable, but I'm using Zephyr. Is there a way to achieve this with Zephyr? Alternatively, could a different implementation approach using MMIO enable direct communication between Zephyr and Linux's Virtio net? Are there any reference examples available for such implementation?

Re: Communication between Linux and Zephyr using Virtio net

Manuel_Salas — Fri, 06 Jun 2025 19:14:39 GMT

Hello @jim4604

I hope you are doing very well.

You can take a look to the Zephyr Documentation:

https://docs.zephyrproject.org/latest/hardware/virtualization/virtio.html

Best regards,

Salas.

Re: Communication between Linux and Zephyr using Virtio net

jim4604 — Mon, 09 Jun 2025 01:17:50 GMT

Hi @Manuel_Salas
Thank you for your reply. Currently, Zephyr only supports guest mode. Is there any documentation on how to implement host mode?

Re: Communication between Linux and Zephyr using Virtio net

Manuel_Salas — Mon, 09 Jun 2025 21:12:08 GMT

Hello @jim4604

Unfortunately, at this moment that is all the available information.

Best regards,

Salas.