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Subject: Re: [virtio-dev] Re: [virtio-comment] [PATCH v4] virtio-i2c: add the device specification

On 2020/11/18 16:22, Paolo Bonzini wrote:
On 18/11/20 03:06, Jie Deng wrote:
Can the "kick" be used for grouping ? I mean when a write and a read
are sent by one kick at a time, they will be treated as one
transaction by default if the host has such a feature bit.

No, the kick is only an advice. The device is allowed to poll on the ring and ignore kicks completely, for example.


Understood. But I saw your proposal can only group two segments "write-read". What if we have segments more than two ? for example, "write-read-read..." or "write-write-write...". Can we use a flag to tag the START/STOP segments so that they can be grouped into one transaction ?


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