[vfio-users] Infiniband card shares iommu group with pci bridge

Alex Williamson alex.l.williamson at gmail.com
Tue Jul 11 16:23:56 UTC 2017


On Tue, Jul 11, 2017 at 10:18 AM, Maksym Planeta <
mplaneta at os.inf.tu-dresden.de> wrote:

> I tried to assign the bridge to vfio or pci-stub, but it didn't work:
>
> # echo "8086 0c01" > /sys/bus/pci/drivers/pci-stub/new_id
> # echo "pci-stub" > /sys/bus/pci/devices/0000\:00\:01.0/driver_override
> # echo "0000:00:01.0" > /sys/bus/pci/drivers/pci-stub/bind
> bash: echo: write error: No such device
>
> And the same for vfio. Does it make sense at all to assign vfio driver to
> pci bridge?


No, this is why I specified "endpoints".
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