On Thu, Oct 26, 2023 at 02:48:07PM +0800, Cindy Lu
wrote:> On Thu, Oct 26, 2023 at 2:42?PM Michael S. Tsirkin <mst at
redhat.com> wrote:
> >
> > On Sun, Sep 24, 2023 at 01:05:33AM +0800, Cindy Lu wrote:
> > > Hi All
> > > Really apologize for the delay, this is the draft RFC for
> > > iommufd support for vdpa, This code provides the basic function
> > > for iommufd support
> > >
> > > The code was tested and passed in device vdpa_sim_net
> > > The qemu code is
> > > https://gitlab.com/lulu6/gitlabqemutmp/-/tree/iommufdRFC
> > > The kernel code is
> > > https://gitlab.com/lulu6/vhost/-/tree/iommufdRFC
> > >
> > > ToDo
> > > 1. this code is out of date and needs to clean and rebase on the
latest code
> > > 2. this code has some workaround, I Skip the check for
> > > iommu_group and CACHE_COHERENCY, also some misc issues like need
to add
> > > mutex for iommfd operations
> > > 3. only test in emulated device, other modes not tested yet
> > >
> > > After addressed these problems I will send out a new version for
RFC. I will
> > > provide the code in 3 weeks
> >
> > What's the status here?
> >
> Hi Michael
> The code is finished, but I found some bug after adding the support for
ASID,
> will post the new version after this bug is fixed, should be next week
> Thanks
> Cindy
We'll miss this merge window then.
> > --
> > MST
> >