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Subject: Re: [PATCH v3 1/4] Add virtio Admin virtqueue
On Tue, Feb 08, 2022 at 03:33:36PM +0000, Parav Pandit wrote: > > > From: Michael S. Tsirkin <mst@redhat.com> > > Sent: Tuesday, February 8, 2022 8:58 PM > > On Tue, Feb 08, 2022 at 03:11:28PM +0000, Parav Pandit wrote: > > > > > > > From: Cornelia Huck <cohuck@redhat.com> > > > > Sent: Tuesday, February 8, 2022 8:29 PM > > > > > > > very specific (essentially PCI-specific), we need to at least answer > > > > the question "how could this work for things that are not PCI?" > > > Why would one want to execute PCI VF MSI-X configuration command for a > > non PCI device? > > > > E.g. there were proposals to add msi support to virtio-mmio. > > What prevents mmio specific command say mmio_dev_interrupt_config()? > Which fields do overlap with msix config of pci vf? > How is the mmio device identified? if mmio starts supporting msi-x then # of vectors can reasonably be specified in exactly the same way. -- MST
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