RE: [Xen-devel] [PATCH 0/4] HVM Virtual S3

["Ian Pratt" <Ian.Pratt@xxxxxxxxxxxxx>]

> > Also, do you have plans to implement an "xm send-power-event" type
> > thing that enables us to inform the guest of actions such as lid
> > switch open/close, power cable in/out, power button pressed etc ?
> Since now host S3 and HVM S3 is not integrated yet, I am not sure
> whether those lid/cable/power button are appropriate to be involved
> with Guest notification. Especially if we have multiple guest. Yet I
think
> we must consider it carefully as part of VMM PM solution :)
> If both host and HVM is S3 done, when lid open,
> Xen is back, host is back and then HVM is back. It is a possible
> senario?

I don't think we need any integration with host S3 as part of the xend
-- that's a separate issue, maybe an example script that runs (early) as
part of a host S3 that puts the guests into S3 too.

I think what we need in xm/xend is a command for informing the guest of
ACPI events such as lid switch, power cable, power button etc.

Ian

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