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Subject: Re: [PATCH v2 1/4] Add virtio Admin Virtqueue
On Fri, Jan 28 2022, "Michael S. Tsirkin" <mst@redhat.com> wrote: > On Fri, Jan 28, 2022 at 05:14:37PM +0100, Cornelia Huck wrote: >> Maybe pci gets a new entry in common_cfg, mmio gets a new register, and >> ccw gets a new command? > > That's fine. > >> (Although I'd prefer to be conservative with new >> commands for ccw, maybe it's time to introduce a "get misc config" type >> command that can be reused for other things. There's a generic ccw for >> that, but adding new stuff to it would require an s390 architecture >> change AFAIK, so I had decided not to go down that path for virtio.) > > You mean a generic "get misc config" for all transports? That's fine > by me too. I suspect nvidia guys will need help building > something like this though ... I was more thinking about ccw only... not sure if we can define something useful for all transports. I'm willing to help with defining a ccw mechanism; I realize that this will be hard for most people. (Let's get agreement on whether we want to go down that route first.)
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