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Thu, 22 Oct 2020 03:54:43 +0000 From: "Liu, Yi L" To: Jason Wang , "Raj, Ashok" , Jason Gunthorpe Subject: RE: (proposal) RE: [PATCH v7 00/16] vfio: expose virtual Shared Virtual Addressing to VMs Thread-Topic: (proposal) RE: [PATCH v7 00/16] vfio: expose virtual Shared Virtual Addressing to VMs Thread-Index: AdagceQQLvqwjRCrQOaq1hZ7MgDUUABZWmqgAH60bgAAh22vsAAM9nEAACSNTfAADO5TgAAE94UAAAFdlAAABd+HAAAAJWeAAABySwAAAC+JgAAAdbiAACAsxIAADLACAAATAO4AAAHSuIA= Date: Thu, 22 Oct 2020 03:54:42 +0000 Message-ID: References: <20201020140217.GI6219@nvidia.com> <20201020162430.GA85321@otc-nc-03> <20201020170336.GK6219@nvidia.com> <20201020195146.GA86371@otc-nc-03> <20201020195557.GO6219@nvidia.com> <20201020200844.GC86371@otc-nc-03> <20201020201403.GP6219@nvidia.com> <20201020202713.GF86371@otc-nc-03> <20201021114829.GR6219@nvidia.com> <20201021175146.GA92867@otc-nc-03> <816799a0-49e4-a384-8990-eae9e67d4425@redhat.com> In-Reply-To: <816799a0-49e4-a384-8990-eae9e67d4425@redhat.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: dlp-reaction: no-action dlp-version: 11.5.1.3 dlp-product: dlpe-windows authentication-results: redhat.com; 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Tsirkin" , "stefanha@gmail.com" , "Sun, Yi Y" , "alex.williamson@redhat.com" , "iommu@lists.linux-foundation.org" , "Zhu, Lingshan" , "Wu, Hao" , "Tian, Jun J" X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" Hi Jason, > From: Jason Wang > Sent: Thursday, October 22, 2020 10:56 AM > [...] > If you(Intel) don't have plan to do vDPA, you should not prevent other vendors > from implementing PASID capable hardware through non-VFIO subsystem/uAPI > on top of your SIOV architecture. Isn't it? yes, that's true. > So if Intel has the willing to collaborate on the POC, I'd happy to help. E.g it's not > hard to have a PASID capable virtio device through qemu, and we can start from > there. actually, I'm already doing a poc to move the PASID allocation/free interface out of VFIO. So that other users could use it as well. I think this is also what you replied previously. :-) I'll send out when it's ready and seek for your help on mature it. does it sound good to you? Regards, Yi Liu > > Thanks > > > > _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu