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Subject: Re: RE: [virtio-comment] RE: RE: [PATCH v15] virtio-net: support device stats
On Tue, 29 Aug 2023 10:58:40 +0000, Parav Pandit <parav@nvidia.com> wrote: > > > From: Xuan Zhuo <xuanzhuo@linux.alibaba.com> > > Sent: Tuesday, August 29, 2023 12:48 PM > > > > For this line: > > "If the reply header structure and actual stats are split properly, it will be easy > > to add the query by the owner device." > > > > So for the header structure, is there some specific requirements? > > TLV type, length, is only two fields needed and to align to 64-bit. > struct virtio_element_type { > u16 type; > u16 rsvd; > u32 length; > }; > > Above generic type if defined, that we can possibly use across many virtio devices. I see. So I wonder, should we be thinking about this now. When will we try to get statistics via aq. If we try to do this, the request data may also have to use a uniform format. Thanks.
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