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Subject: Re: [virtio-dev] [PATCH v2 1/1] virtio-ism: introduce new device virtio-ism
On Wed, 11 Jan 2023 19:08:53 +0800 Xuan Zhuo <xuanzhuo@linux.alibaba.com> wrote: > > > +\begin{description} > > > +\item[\field{ev_type}] The type of event, the driver can get the size of the > > > + structure based on this. > > > + > > > +\item[\field{offset}] The offset of ism regions with the event. > > > > Offset with respect to what? > > Used to specify a region. Offset is the position of this ISM Region inside the > memory of Device. An offset is per definition always relative to something. I would have thought this is an offset relative to the beginning of *the* virtio shared memory region identified by the ismid 1. But since you claim that there may be multiple virtio shared memory regions with the shmid 1 I'm heavily confused. What is here "the memory of Device"?
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