Re: [PATCH v9 0/4] virtio-rtc: Add device specification

On Wed, May 07, 2025 at 05:50:32PM +0200, Peter Hilber wrote:
> This iteration of the spec should address multiple review findings from
> Cornelia Huck, Matias Ezequiel Vara Larsen, and Michael S. Tsirkin.
> 
> Summary
> -------
> 
> The RTC (Real Time Clock) device provides information about current
> time. The device can provide different clocks, for the UTC or TAI time
> standards, or for physical time elapsed since some past epoch. For UTC
> clocks, the device can also indicate how leap seconds are handled. The
> driver can read the clocks with simple or more accurate methods.
> Optionally, the driver can set an alarm.
> 
> The driver-side timekeeping can synchronize precisely to a local clock
> exposed by the RTC device. If supported by the device, the driver can
> obtain a cross-timestamp from the local clock and the system hardware
> counter, in a way similar to the Linux kernel ptp_kvm driver [1].
> 
> The alarm allows the driver side to be woken up from a sleep state at a
> specific time.
> 

Could you please open a voting ballot for these changes?

Fixes: https://github.com/oasis-tcs/virtio-spec/issues/221

This version of the patch series should have addressed all issues raised
so far. Since posting it 4 weeks ago, there has been no additional
feedback. I updated the Github issue to point to v9 instead of v8.

Best regards,

Peter