>-Original Message-
>From: Jason Gunthorpe
>Sent: Thursday, September 7, 2023 9:11 AM
>To: Alex Williamson
>Subject: Re: [PATCH v1 21/22] vfio/pci: Allow the selection of a given iommu
>backend
>
>On Wed, Sep 06, 2023 at 01:09:26PM -0600, Alex Williamson wrot
On Wed, Sep 06, 2023 at 01:09:26PM -0600, Alex Williamson wrote:
> On Wed, 6 Sep 2023 15:10:39 -0300
> Jason Gunthorpe wrote:
>
> > On Wed, Aug 30, 2023 at 06:37:53PM +0800, Zhenzhong Duan wrote:
> > > Note the /dev/iommu device may have been pre-opened by a
> > > management tool such as libvirt.
On Wed, 6 Sep 2023 15:10:39 -0300
Jason Gunthorpe wrote:
> On Wed, Aug 30, 2023 at 06:37:53PM +0800, Zhenzhong Duan wrote:
> > Note the /dev/iommu device may have been pre-opened by a
> > management tool such as libvirt. This mode is no more considered
> > for the legacy backend. So let's remove
On Wed, Aug 30, 2023 at 06:37:53PM +0800, Zhenzhong Duan wrote:
> Note the /dev/iommu device may have been pre-opened by a
> management tool such as libvirt. This mode is no more considered
> for the legacy backend. So let's remove the "TODO" comment.
Can you show an example of that syntax too?
A
From: Eric Auger
Now we support two types of iommu backends, let's add the capability
to select one of them. This depends on whether an iommufd object has
been linked with the vfio-pci device:
if the user wants to use the legacy backend, it shall not
link the vfio-pci device with any iommufd obj
