From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 87924A04F3; Fri, 6 Dec 2019 10:05:29 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 95E401BF8D; Fri, 6 Dec 2019 10:05:28 +0100 (CET) Received: from dispatch1-us1.ppe-hosted.com (dispatch1-us1.ppe-hosted.com [67.231.154.164]) by dpdk.org (Postfix) with ESMTP id B87E4378E for ; Fri, 6 Dec 2019 10:05:27 +0100 (CET) X-Virus-Scanned: Proofpoint Essentials engine Received: from webmail.solarflare.com (uk.solarflare.com [193.34.186.16]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mx1-us4.ppe-hosted.com (PPE Hosted ESMTP Server) with ESMTPS id 1EB1E140055; Fri, 6 Dec 2019 09:05:25 +0000 (UTC) Received: from [192.168.38.17] (10.17.10.39) by ukex01.SolarFlarecom.com (10.17.10.4) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Fri, 6 Dec 2019 09:05:16 +0000 To: "Liang, Cunming" , "Bie, Tiwei" , Matan Azrad CC: "Wang, Xiao W" , Thomas Monjalon , "maxime.coquelin@redhat.com" , "Wang, Zhihong" , "Yigit, Ferruh" , Shahaf Shuler , Ori Kam , "dev@dpdk.org" , Slava Ovsiienko , Asaf Penso , Olga Shern References: <20191206042745.GA706462@___> From: Andrew Rybchenko Autocrypt: addr=arybchenko@solarflare.com; keydata= mQINBF2681gBEACbdTxu8eLL3UX2oAelsnK9GkeaJeUYSOHPJQpV7RL/iaIskqTwBRnhjXt7 j9UEwGA+omnOmqQMpeQTb/F9Ma2dYE+Hw4/t/1KVjxr3ehFaASvwR4fWJfO4e2l/Rk4rG6Yi 5r6CWU2y8su2654Fr8KFc+cMGOAgKoZTZHZsRy5lHpMlemeF+VZkv8L5sYJWPnsypgqlCG3h v6lbtfZs+QqYbFH6bqoZwBAl5irmxywGR7ZJr1GLUZZ1lfdazSY8r6Vz0/Ip/KVxGu2uxo81 QCsAj0ZsQtwji9Sds/prTiPrIjx8Fc/tfbnAuVuPcnPbczwCJACzQr4q26XATL3kVuZhSBWh 4XfO/EAUuEq5AemUG5DDTM87g7Lp4eT9gMZB6P+rJwWPNWTiV3L7Cn+fO+l9mTPnOqdzBgDe OaulKiNSft1o0DY4bGzOmM2ad2cZt0jfnbMPMTE9zsr6+RFa+M8Ct20o6U1MUE4vP6veErMK of4kZ8PdoMM+Sq1hxMPNtlcVBSP9xMmdSZPlfDYI5VWosOceEcz7XZdjBJKdwKuz70V7eac4 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SMEX-12.5.0.1300-8.5.1010-25086.003 X-MDID: 1575623127-DzlNSUSPzNEz Subject: Re: [dpdk-dev] discussion: creating a new class for vdpa driversxiao.w.wang@intel.com 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: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On 12/6/19 8:32 AM, Liang, Cunming wrote: > > >> -----Original Message----- >> From: Bie, Tiwei >> Sent: Friday, December 6, 2019 12:28 PM >> To: Matan Azrad >> Cc: Wang, Xiao W ; Thomas Monjalon >> ; maxime.coquelin@redhat.com; Wang, Zhihong >> ; Yigit, Ferruh ; Shahaf Shuler >> ; Ori Kam ; dev@dpdk.org; Slava >> Ovsiienko ; Asaf Penso ; Olga >> Shern ; Liang, Cunming >> Subject: Re: discussion: creating a new class for vdpa >> driversxiao.w.wang@intel.com >> >> On Thu, Dec 05, 2019 at 01:26:36PM +0000, Matan Azrad wrote: >>> Hi all >>> >>> As described in RFC “[RFC] net: new vdpa PMD for Mellanox devices”, a >>> new vdpa drivers is going to be added for Mellanox devices – mlx5_vdpa >>> >>> The only vdpa driver now is the IFC driver that is located in net directory. >>> >>> The IFC driver and the new mlx5_vdpa driver provide the vdpa ops and >>> not the eth_dev ops. >>> >>> All the others drivers in net provide the eth-dev ops. >>> >>> I suggest to create a new class for vdpa drivers, to move IFC to this >>> class and to add the mlx5_vdpa to this class too. >>> >>> Later, all the new drivers that implements the vdpa ops will be added >>> to the vdpa class. >> >> +1. Sounds like a good idea to me. > +1 vDPA drivers are vendor-specific and expected to talk to vendor NIC. I.e. there are significant chances to share code with network drivers (e.g. base driver). Should base driver be moved to drivers/common in this case or is it still allows to have vdpa driver in drivers/net together with ethdev driver?