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[Qemu-devel] [virtio-dev] New virtio device specification

From: Christian Pinto
Subject: [Qemu-devel] [virtio-dev] New virtio device specification
Date: Fri, 10 Jun 2016 10:01:05 +0200

Hi all,

we are working on a new virtio device, namely the Signal Distribution
Module (SDM). The SDM routes inter-processor signals intra and inter QEMU
instances, using a user-defined communication channel. At the current state
SDM provides a local channel, for intra-QEMU signals, and a channel based on
sockets (UNIX or TCP) to exchange signals between processors in different
instances of QEMU. Each communication channel exports a common interface for
the sake of ease of extension and integration of new channels.

In addition to the virtio version, a platform device version is available as
well to be used for cases where a processor is not running Linux but another
OS/firmware that does not support virtio.

For more details you can have a look at the following link:


where you can find the latest RFC patch set for the QEMU code of the virtio

Kernel code is publicly accessible from:


I am writing to understand how to start the procedure to include this
device in
the virtio specification and get a virtio device ID assigned.

Thanks in advance for your feedback.

Best regards,


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