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Tue, 23 Jun 2020 09:43:03 +0000 (UTC) Subject: Re: [PATCH v1 00/10] vDPA support in qemu To: Cindy Lu , Markus Armbruster References: <20200622153756.19189-1-lulu@redhat.com> <877dvy45vr.fsf@dusky.pond.sub.org> From: Jason Wang Message-ID: Date: Tue, 23 Jun 2020 17:43:02 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.8.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=205.139.110.61; envelope-from=jasowang@redhat.com; helo=us-smtp-delivery-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/23 01:55:08 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: rdunlap@infradead.org, Michael Tsirkin , mhabets@solarflare.com, qemu-devel@nongnu.org, Rob Miller , saugatm@xilinx.com, hanand@xilinx.com, hch@infradead.org, Eugenio Perez Martin , jgg@mellanox.com, Shahaf Shuler , kevin.tian@intel.com, parav@mellanox.com, Vitaly Mireyno , "Liang, Cunming" , gdawar@xilinx.com, jiri@mellanox.com, xiao.w.wang@intel.com, Stefan Hajnoczi , "Wang, Zhihong" , Ariel Adam , Cornelia Huck , Maxime Coquelin , "Zhu, Lingshan" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 2020/6/23 下午5:16, Cindy Lu wrote: > On Tue, Jun 23, 2020 at 3:07 PM Markus Armbruster wrote: >> Cindy Lu writes: >> >>> vDPA device is a device that uses a datapath which complies with the >>> virtio specifications with vendor specific control path. vDPA devices >>> can be both physically located on the hardware or emulated by software. >>> This RFC introduce the vDPA support in qemu >>> TODO >>> 1) vIOMMU support >>> 2) live migration support >> This gives me the foggiest of ideas on what vDPA is. Could we use >> docs/interop/vhost-vdpa.rst? >> > Sure will add this > > Not sure it's the best place since vhost-vdpa is kernel specific. Maybe kernel docs (TBD) is a better place and we can refer it this file in the future. But it doesn't harm if you said something more here and refer the kernel commit here: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4c8cf31885f69e86be0b5b9e6677a26797365e1d Thanks