[Sound-open-firmware] [PATCH v2 00/12] [RESEND] ASoC: SOF DSP virtualisation

Mark Brown broonie at kernel.org
Fri Apr 3 18:21:54 CEST 2020


On Fri, Apr 03, 2020 at 05:10:20PM +0100, Liam Girdwood wrote:

> 3) rpmsg integration. The SOF IPC will use rpmsg virtio transport
> between host and guests.

> This series does not mandate a DSP IPC standard, since this may differ
> between DSP vendors, but it will use OASIS standards for virtio-snd,
> DMA buffers and rpmsg.

This sounds good, I think rpmsg bit was the initial part of this that I
was missing (but that will then lead into requiring the others) - this
is essentially VFIO for a software defined component so it's clear that
there's value in standardization on the discovery and transport parts of
things but I agree that the actual messages are just a vendor thing and
don't need an OASIS standard.
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