From: "Raj, Ashok" <ashok.raj@intel.com>
To: Jason Gunthorpe <jgg@nvidia.com>
Cc: "Tian, Jun J" <jun.j.tian@intel.com>,
"Tian, Kevin" <kevin.tian@intel.com>,
Ashok Raj <ashok.raj@intel.com>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
"jean-philippe@linaro.org" <jean-philippe@linaro.org>,
"stefanha@gmail.com" <stefanha@gmail.com>,
Jason Wang <jasowang@redhat.com>,
"Michael S. Tsirkin" <mst@redhat.com>,
"Sun, Yi Y" <yi.y.sun@intel.com>,
"iommu@lists.linux-foundation.org"
<iommu@lists.linux-foundation.org>,
"alex.williamson@redhat.com" <alex.williamson@redhat.com>,
"Zhu, Lingshan" <lingshan.zhu@intel.com>,
"Wu, Hao" <hao.wu@intel.com>
Subject: Re: (proposal) RE: [PATCH v7 00/16] vfio: expose virtual Shared Virtual Addressing to VMs
Date: Tue, 20 Oct 2020 13:08:44 -0700 [thread overview]
Message-ID: <20201020200844.GC86371@otc-nc-03> (raw)
In-Reply-To: <20201020195557.GO6219@nvidia.com>
On Tue, Oct 20, 2020 at 04:55:57PM -0300, Jason Gunthorpe wrote:
> On Tue, Oct 20, 2020 at 12:51:46PM -0700, Raj, Ashok wrote:
> > I think we agreed (or agree to disagree and commit) for device types that
> > we have for SIOV, VFIO based approach works well without having to re-invent
> > another way to do the same things. Not looking for a shortcut by any means,
> > but we need to plan around existing hardware though. Looks like vDPA took
> > some shortcuts then to not abstract iommu uAPI instead :-)? When all
> > necessary hardware was available.. This would be a solved puzzle.
>
> I think it is the opposite, vIOMMU and related has outgrown VFIO as
> the "home" and needs to stand alone.
>
> Apparently the HW that will need PASID for vDPA is Intel HW, so if
So just to make this clear, I did check internally if there are any plans
for vDPA + SVM. There are none at the moment. It seems like you have
better insight into our plans ;-). Please do let me know who confirmed vDPA
roadmap with you and I would love to talk to them to clear the air.
Cheers,
Ashok
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next prev parent reply other threads:[~2020-10-20 20:08 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-12 8:38 (proposal) RE: [PATCH v7 00/16] vfio: expose virtual Shared Virtual Addressing to VMs Tian, Kevin
2020-10-13 6:22 ` Jason Wang
2020-10-14 3:08 ` Tian, Kevin
2020-10-14 23:10 ` Alex Williamson
2020-10-15 7:02 ` Jason Wang
2020-10-15 6:52 ` Jason Wang
2020-10-15 7:58 ` Tian, Kevin
2020-10-15 8:40 ` Jason Wang
2020-10-15 10:14 ` Liu, Yi L
2020-10-20 6:18 ` Jason Wang
2020-10-20 8:19 ` Liu, Yi L
2020-10-20 9:19 ` Jason Wang
2020-10-20 9:40 ` Liu, Yi L
2020-10-20 13:54 ` Jason Gunthorpe
2020-10-20 14:00 ` Liu, Yi L
2020-10-20 14:05 ` Jason Gunthorpe
2020-10-20 14:09 ` Liu, Yi L
2020-10-13 10:27 ` Jean-Philippe Brucker
2020-10-14 2:11 ` Tian, Kevin
2020-10-14 3:16 ` Tian, Kevin
2020-10-16 15:36 ` Jason Gunthorpe
2020-10-19 8:39 ` Liu, Yi L
2020-10-19 14:25 ` Jason Gunthorpe
2020-10-20 10:21 ` Liu, Yi L
2020-10-20 14:02 ` Jason Gunthorpe
2020-10-20 14:19 ` Liu, Yi L
2020-10-21 2:21 ` Jason Wang
2020-10-20 16:24 ` Raj, Ashok
2020-10-20 17:03 ` Jason Gunthorpe
2020-10-20 19:51 ` Raj, Ashok
2020-10-20 19:55 ` Jason Gunthorpe
2020-10-20 20:08 ` Raj, Ashok [this message]
2020-10-20 20:14 ` Jason Gunthorpe
2020-10-20 20:27 ` Raj, Ashok
2020-10-21 11:48 ` Jason Gunthorpe
2020-10-21 17:51 ` Raj, Ashok
2020-10-21 18:24 ` Jason Gunthorpe
2020-10-21 20:03 ` Raj, Ashok
2020-10-21 23:32 ` Jason Gunthorpe
2020-10-21 23:53 ` Raj, Ashok
2020-10-22 2:55 ` Jason Wang
2020-10-22 3:54 ` Liu, Yi L
2020-10-22 4:38 ` Jason Wang
2020-11-03 9:52 ` joro
2020-11-03 12:56 ` Jason Gunthorpe
2020-11-03 13:18 ` joro
2020-11-03 13:23 ` Jason Gunthorpe
2020-11-03 14:03 ` joro
2020-11-03 14:06 ` Jason Gunthorpe
2020-11-03 14:35 ` joro
2020-11-03 15:22 ` Jason Gunthorpe
2020-11-03 16:55 ` joro
2020-11-03 17:48 ` Jason Gunthorpe
2020-11-03 19:14 ` joro
2020-11-04 19:29 ` Jason Gunthorpe
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