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Fri, 3 Jul 2020 07:30:04 +0000 (UTC) Subject: Re: [PATCH v4 00/14]vDPA support in qemu To: Cindy Lu , mst@redhat.com, armbru@redhat.com, eblake@redhat.com, cohuck@redhat.com References: <20200701145538.22333-1-lulu@redhat.com> From: Jason Wang Message-ID: <2f068402-2b8f-c3e5-0f91-c2e18a802b04@redhat.com> Date: Fri, 3 Jul 2020 15:30:03 +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: <20200701145538.22333-1-lulu@redhat.com> Content-Language: en-US X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=jasowang@redhat.com 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=207.211.31.81; envelope-from=jasowang@redhat.com; helo=us-smtp-delivery-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/07/03 01:34:15 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: mhabets@solarflare.com, qemu-devel@nongnu.org, rob.miller@broadcom.com, saugatm@xilinx.com, hanand@xilinx.com, hch@infradead.org, eperezma@redhat.com, jgg@mellanox.com, shahafs@mellanox.com, kevin.tian@intel.com, parav@mellanox.com, vmireyno@marvell.com, cunming.liang@intel.com, gdawar@xilinx.com, jiri@mellanox.com, xiao.w.wang@intel.com, stefanha@redhat.com, zhihong.wang@intel.com, aadam@redhat.com, rdunlap@infradead.org, maxime.coquelin@redhat.com, lingshan.zhu@intel.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 2020/7/1 下午10:55, Cindy Lu wrote: > 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 PATCH introduce the vDPA support in qemu > TODO > 1) vIOMMU support > 2) live migration support > 3) docs for vhost-vdpa > 4) config interrupt support > > Change from v1 > separate the patch of vhost_vq_get_addr > separate the patch of vhost_dev_start > introduce the docmation for vhost-vdpa.rst > other comments form last version > github address > https://github.com/lulu-github-name/qemutmp.git PATCHV2 > > Change from v3 > fix the complie problem > separate the patch of vhost_force_iommu > other comments form last version > github address > https://github.com/lulu-github-name/qemutmp.git PATCHV3 > > Change from v3 > fix the centos7 test problem > other comments form last version > github address > https://github.com/lulu-github-name/qemutmp.git PATCHV4 Thanks a lot for patches. I think we may have a more generic handling of forcing IOMMU_PLATFORM. But it can be done on top. So Acked-by: Jason Wang > > Cindy Lu (11): > net: introduce qemu_get_peer > vhost_net: use the function qemu_get_peer > vhost: introduce new VhostOps vhost_dev_start > vhost: implement vhost_dev_start method > vhost: introduce new VhostOps vhost_vq_get_addr > vhost: implement vhost_vq_get_addr method > vhost: introduce new VhostOps vhost_force_iommu > vhost: implement vhost_force_iommu method > vhost_net: introduce set_config & get_config > vhost-vdpa: introduce vhost-vdpa backend > vhost-vdpa: introduce vhost-vdpa net client > > Jason Wang (3): > virtio-bus: introduce queue_enabled method > virtio-pci: implement queue_enabled method > vhost: check the existence of vhost_set_iotlb_callback > > configure | 21 ++ > docs/interop/index.rst | 1 + > docs/interop/vhost-vdpa.rst | 17 ++ > hw/net/vhost_net-stub.c | 11 + > hw/net/vhost_net.c | 45 ++- > hw/net/virtio-net.c | 19 ++ > hw/virtio/Makefile.objs | 1 + > hw/virtio/vhost-backend.c | 6 + > hw/virtio/vhost-vdpa.c | 475 ++++++++++++++++++++++++++++++ > hw/virtio/vhost.c | 52 +++- > hw/virtio/virtio-pci.c | 13 + > hw/virtio/virtio.c | 6 + > include/hw/virtio/vhost-backend.h | 19 +- > include/hw/virtio/vhost-vdpa.h | 26 ++ > include/hw/virtio/vhost.h | 7 + > include/hw/virtio/virtio-bus.h | 4 + > include/net/net.h | 1 + > include/net/vhost-vdpa.h | 22 ++ > include/net/vhost_net.h | 5 + > net/Makefile.objs | 2 +- > net/clients.h | 2 + > net/net.c | 10 + > net/vhost-vdpa.c | 228 ++++++++++++++ > qapi/net.json | 28 +- > qemu-options.hx | 12 + > 25 files changed, 1004 insertions(+), 29 deletions(-) > create mode 100644 docs/interop/vhost-vdpa.rst > create mode 100644 hw/virtio/vhost-vdpa.c > create mode 100644 include/hw/virtio/vhost-vdpa.h > create mode 100644 include/net/vhost-vdpa.h > create mode 100644 net/vhost-vdpa.c >