[libvirt] [RFC PATCH 1/9] vfio/pci: introduce mediate ops to intercept vfio-pci ops
Eric Blake
eblake at redhat.com
Fri Dec 6 23:13:30 UTC 2019
On 12/4/19 9:25 PM, Yan Zhao wrote:
> when vfio-pci is bound to a physical device, almost all the hardware
> resources are passthroughed.
The intent is obvious, but it sounds awkward to a native speaker.
s/passthroughed/passed through/
> Sometimes, vendor driver of this physcial device may want to mediate some
physical
> hardware resource access for a short period of time, e.g. dirty page
> tracking during live migration.
>
> Here we introduce mediate ops in vfio-pci for this purpose.
>
> Vendor driver can register a mediate ops to vfio-pci.
> But rather than directly bind to the passthroughed device, the
passed-through
--
Eric Blake, Principal Software Engineer
Red Hat, Inc. +1-919-301-3226
Virtualization: qemu.org | libvirt.org
More information about the libvir-list
mailing list