* [Q] guest identification and host runtime PM
@ 2020-01-09 13:56 Guennadi Liakhovetski
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From: Guennadi Liakhovetski @ 2020-01-09 13:56 UTC (permalink / raw)
To: virtualization
Hi,
I'm working on a VirtIO / vhost audio virtualisation solution [1,2]
and although it's already working rather well, some points still need
clarification.
1. Guest identification. Is there a standard way to identify guests in
a vhost driver? We need to send different audio topology to
different guests, therefore we need a way to reliably identify
them.
2. Runtime PM. Is there a standard or a preferred way to implement
runtime PM on the host side to guarantee that the device is always
powered on when guests need it and can be runtime suspended
otherwise?
Thanks
Guennadi
[1] https://github.com/thesofproject/sof-docs/pull/155
[2] https://github.com/thesofproject/linux/pull/1501
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