netdev - Re: [RFC 0/7] vdpa: Add support for iommufd

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Message-ID: <CACLfguVDx8B1t0K6vOZ8JchGwVrSUGJ1P-ZLzxG0KK5S63OuHg@mail.gmail.com>
Date: Thu, 2 Nov 2023 20:09:50 +0800
From: Cindy Lu <lulu@...hat.com>
To: "Michael S. Tsirkin" <mst@...hat.com>
Cc: jasowang@...hat.com, yi.l.liu@...el.com, jgg@...dia.com, 
	linux-kernel@...r.kernel.org, virtualization@...ts.linux-foundation.org, 
	netdev@...r.kernel.org
Subject: Re: [RFC 0/7] vdpa: Add support for iommufd

On Thu, Nov 2, 2023 at 6:02 PM Michael S. Tsirkin <mst@...hat.com> wrote:
>
> 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@...hat.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 this code is out of date and needs to clean and rebase on the latest code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
>
> The week is almost gone, what's going on?
>
thanks, Micheal, I will send it out tomorrow
Thanks
Cindy
>
> > > --
> > > MST
> > >
>