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

On 16/11/20 03:12, Jie Deng wrote:
Fore example, the frontend may kick the sequence "write read read ..." to the backend at a time.

The segments can be aggregated into "i2c_msg list" and sent to the hardware at a time by the backend.

The host native drivers will finally send these segments using the methods they support.

If so, the spec needs to specify what the backend must/should/may aggregate into a single host-side transaction.

What my proposal does is essentially saying that the backend MUST aggregate a write and a read segment into a single transaction if it is sent with a single virtio-i2c request.


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