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Thu, 17 Jan 2019 14:37:24 +0000 From: Shahaf Shuler To: Xiaolong Ye , "dev@dpdk.org" , Maxime Coquelin , Tiwei Bie , Zhihong Wang CC: "xiao.w.wang@intel.com" , Rami Rosen , Wang Haiyue Thread-Topic: [dpdk-dev] [PATCH v8 2/2] examples/vdpa: introduce a new sample for vDPA Thread-Index: AQHUVzv5EBNZpL9SzEKl6tG4fncB66W0NJoA Date: Thu, 17 Jan 2019 14:37:24 +0000 Message-ID: References: <20180928112344.42791-1-xiaolong.ye@intel.com> <20180928214747.48938-1-xiaolong.ye@intel.com> <20180928214747.48938-3-xiaolong.ye@intel.com> In-Reply-To: <20180928214747.48938-3-xiaolong.ye@intel.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=shahafs@mellanox.com; x-originating-ip: [193.47.165.251] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1; DB7PR05MB4409; 6:lRr3cOpQsmmS4fKJ+ELxMOTvyaYM2Bw0H68UXZLqLg0qoE6c1XnNrZbEC5vLobSl7+MJOFxtgs5zw/MsAFEFxDpZz/9V87UqgEwvlg1IEBBNLenTsuH9g4LBy39vdyVYIh8cw4/6JAJBqSv4DXImlmi74s0P2TZ4lPnPFljFuLRX1R9qT24jsI0CnuQ6IIkU5/A1w++TqRoA7fzEQlym7NLZOmcSfBT/NWJe2ukBQpdxmPCuy+XmE5gbL1VIBTLHgj8TiyC0iTG2Ok2fObyK6sDA9p8T02+QMjyt1FBgcY8tN3dnai76JidsmYhWlDV2LmDNgZasang3hOzC3MqNLUOwKyhk6Vyu9r0XBuXubg8m8XL4fQDDnuc35cXlVrn5b8ONyvcHFSVV26Np63ials7uKiFzUdR82AgZ8VRGn3jQV3gKeFz1We7puqhD5Prsa+qZgb3ymd6VTF5gBiO3gw==; 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DIR:OUT; SFP:1101; SCL:1; SRVR:DB7PR05MB4409; H:DB7PR05MB4426.eurprd05.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A:1; received-spf: None (protection.outlook.com: mellanox.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: tG123xdqFlJWNxuoOn8C5bPDMsBHAT3U7kQ7rFDRpuwQ64ze/GiGaq/y8my2uDksCXFn3MeGAraTqlcH4KEWmCeHqDI8ll5NPjk82tBjGZ07i5JBComr1QJm+0b53m9Ek9O/iqUi4LsbGnnEHwBQIVvxieflGeiQQUkCG+AqCzpCAwsfKVFb9dz1B3rv3+oj+rEW1SEC/WIc8CJfpwqkSkQA8ClXsQTtoCNITJPcFwGc6SNilJUQQcx1lZhiGtQRqW+fKPwI6Re/d9PWzfN7k8t5lBo2PgvLF9DWq8HLBWha4m01HnE8G7ApSLfmswtRq0JEd36KqOpiWhXO+D4qQWMhECtWRNZt2rFELVPAk3ISdAd4TyRwVQMnLdiOjLjokPpye2FZG+lRxGlT1e23YCliTUqWMuI2a/h370bsyRU= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: Mellanox.com X-MS-Exchange-CrossTenant-Network-Message-Id: aef93bd7-b1fa-4e28-7628-08d67c894c24 X-MS-Exchange-CrossTenant-originalarrivaltime: 17 Jan 2019 14:37:24.7763 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: a652971c-7d2e-4d9b-a6a4-d149256f461b X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB7PR05MB4409 Subject: Re: [dpdk-dev] [PATCH v8 2/2] examples/vdpa: introduce a new sample for vDPA X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 17 Jan 2019 14:37:28 -0000 Hi,=20 Going back to this merged commit,=20 Saturday, September 29, 2018 12:48 AM, Xiaolong Ye: > Subject: [dpdk-dev] [PATCH v8 2/2] examples/vdpa: introduce a new sample > for vDPA >=20 > The vdpa sample application creates vhost-user sockets by using the vDPA > backend. vDPA stands for vhost Data Path Acceleration which utilizes virt= io > ring compatible devices to serve virtio driver directly to enable datapat= h > acceleration. As vDPA driver can help to set up vhost datapath, this > application doesn't need to launch dedicated worker threads for vhost > enqueue/dequeue operations. >=20 > Signed-off-by: Xiaolong Ye > Acked-by: Xiao Wang > Reviewed-by: Maxime Coquelin > --- [...] > + > +Start the VMs > +~~~~~~~~~~~~~ > + > +.. code-block:: console > + > + qemu-system-x86_64 -cpu host -enable-kvm \ > + > + -mem-prealloc \ > + -chardev socket,id=3Dchar0,path=3D \ > + -netdev type=3Dvhost-user,id=3Dvdpa,chardev=3Dchar0 \ > + -device > + virtio-net-pci,netdev=3Dvdpa,mac=3D00:aa:bb:cc:dd:ee,page-per-vq=3Don \ It doesn't seems like qemu has the id=3Dvdpa and netdev=3Dvdpa options.=20 Grepping vdpa on qemu returns empty.=20 Am using QEMU v3.1.0-513-gfb177a0. Commit head is fb177a036f2e ("MAINTAINER= S: Mark RISC-V as Supported"). Did I missed anything?