Open Stack

----- Original Message -----
> Hi, all
> 
> Currently openstack can support SR-IOV device pass-through (at least there
> are some patches for this), but the prerequisite to this is both IOMMU and
> SR-IOV must be enabled correctly, it seems there is not a robust way to
> check this in openstack, I have implemented a way to do this and hope it can
> be committed into upstream, this can help find the issue beforehand, instead
> of letting kvm report the issue "no IOMMU found" until the VM is started. I
> didn't find an appropriate place to put into this, do you think this is
> necessary? Where can it be put into? Welcome your advice and thank you in
> advance.

What's the mechanism you are using on the host side to determine that IOMMU is supported/enabled?

Thanks,

Steve