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Message-ID: <CACGkMEt+HRZbCDGUefu268P7+0QffDpMA-RHzArhjZ2i-zRWEw@mail.gmail.com>
Date:   Mon, 6 Nov 2023 15:27:38 +0800
From:   Jason Wang <jasowang@...hat.com>
To:     Cindy Lu <lulu@...hat.com>
Cc:     mst@...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 v1 3/8] vhost: Add 3 new uapi to support iommufd

On Sat, Nov 4, 2023 at 1:17 AM Cindy Lu <lulu@...hat.com> wrote:
>
> VHOST_VDPA_SET_IOMMU_FD: bind the device to iommufd device
>
> VDPA_DEVICE_ATTACH_IOMMUFD_AS: Attach a vdpa device to an iommufd
> address space specified by IOAS id.
>
> VDPA_DEVICE_DETACH_IOMMUFD_AS: Detach a vdpa device
> from the iommufd address space
>
> Signed-off-by: Cindy Lu <lulu@...hat.com>

As discussed in the previous version, any reason/advantages of this
compared to just having a single  VDPA_DEVICE_ATTACH_IOMMUFD_AS?

Thanks

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