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Subject: Re: [virtio-dev] Re: [PATCH v2] virtio-i2c: add the device specification
Then how to distinguish the order of the two segments if they are in one request ?On 27/10/20 12:20, Michael S. Tsirkin wrote:The I2C doesn't support segments numbering and sorting. So if one creates a multi-segment transaction, then he/she should keep the segments in order. Thanks.Fine, but I see no flags to signal start/end of such a transaction.In theory there's no difference between one multi-segment transaction and many single-segment transactions _in a single-master scenario_. However, it is a plausible configuration to have multiple guests sharing an I2C host device as if they were multiple master. For this reason, I would prefer to have at least support for transactions with 1 write and 1 read segment to the same address (see my other message). Paolo
Thanks
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