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Subject: Re: [virtio-comment] [RFC PATCH v3 3/4] virtio-rtc: Add alarm feature
On Mon, Dec 18 2023, Peter Hilber <peter.hilber@opensynergy.com> wrote: > Add the VIRTIO_RTC_F_ALARM feature (without normative statements). > > The intended use case is: A driver needs to react when an alarm time has > been reached, but the driver may be in a sleep state or powered off at > alarm time. The alarm feature can resume and notify the driver in this > case. Alarms may be retained across device resets (including reset on > boot). Does the driver have some kind of control or information about whether alarms are retained? I.e. to start with a clean slate, if wanted. I'm not familiar with RTC, so I'm not sure if that even makes sense, or if I have missed something in the spec.
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