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 D9FEDA04B3; Mon, 16 Dec 2019 11:19:26 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 881121BFB9; Mon, 16 Dec 2019 11:19:26 +0100 (CET) Received: from dispatch1-us1.ppe-hosted.com (dispatch1-us1.ppe-hosted.com [148.163.129.52]) by dpdk.org (Postfix) with ESMTP id C838B1BFAA for ; Mon, 16 Dec 2019 11:19:24 +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-us5.ppe-hosted.com (PPE Hosted ESMTP Server) with ESMTPS id E82AA80063; Mon, 16 Dec 2019 10:19:22 +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; Mon, 16 Dec 2019 10:19:14 +0000 To: Maxime Coquelin , Matan Azrad , Tiwei Bie , Thomas Monjalon CC: Ori Kam , "Liang, Cunming" , "Wang, Xiao W" , "Wang, Zhihong" , "Yigit, Ferruh" , "Shahaf Shuler" , "dev@dpdk.org" , Slava Ovsiienko , Asaf Penso , Olga Shern References: <17d5139b-3c7c-5ce2-1d2a-a86533a8bc2f@solarflare.com> <186093dc-5330-965e-5283-4432b7e996f3@redhat.com> <7a420216-1e20-3ffc-de09-ec62bba592d3@solarflare.com> 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 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S0PkBvFD2+0zr5Bc2YkMGPBYPNGZiTp3UjmZlLfn3TiBKIC92jherY563CULjSsiBEJCOSvv 4VPLn5aAcfbCXJnE3IGCp/hPl50iQqu7BPOYBbWXeb9ptDjGCAThNxSz0WAXkmcjAFE8gdE6 Znk9 Message-ID: <1ea76780-db92-5b1d-7357-08909051e637@solarflare.com> Date: Mon, 16 Dec 2019 13:19:11 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.2.2 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.17.10.39] X-ClientProxiedBy: ocex03.SolarFlarecom.com (10.20.40.36) To ukex01.SolarFlarecom.com (10.17.10.4) X-TM-AS-Product-Ver: SMEX-12.5.0.1300-8.5.1010-25106.003 X-TM-AS-Result: No-7.823600-8.000000-10 X-TMASE-MatchedRID: +f/wAVSGjujmLzc6AOD8DfHkpkyUphL9/C3FULE80O8rxUs8Nw/2fveH aPJtCROSsMJ7b2uLM6MA3asjxPPROYH/9PEJqVb6uwdUMMznEA9DxJKuWK52WhbozYDXkvVAtMw sacuGxGlfTEimEz46ByI8bhIN1luKJVWqk0NljVxZMZ6MZ0H1UhvhD1rFw/Mr3Vh5+r6U4ui0LT 46lyMXnK9Z9haDHBjqKGEi9q0bXrnUwK8MKw1OL8ZLM5/LTRf/K37RtmdLLc7fc2Xd6VJ+yqkfl qEM4f+Y4DfGkdY9pGZA/IJGzoZ92Qx8OSFNW9ZuLjsmuOashGJ9LQinZ4QefL6qvLNjDYTwsuf7 RWbvUtwa5rUAhyFDUAtuKBGekqUpnH7sbImOEBRbyn6IJmgU9bUxkjpO4bG/QOJdNaqLylVHpyR HXySvlp1N0cu7gxrelMUIi+krG/5C2X3gPlZ86AbXrT7IMwtDSarUrZbjJeaHzGTHoCwyHhlNKS p2rPkW5wiX7RWZGYs2CWDRVNNHu2A7bUFBqh2V X-TM-AS-User-Approved-Sender: Yes X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--7.823600-8.000000 X-TMASE-Version: SMEX-12.5.0.1300-8.5.1010-25106.003 X-MDID: 1576491564-yI87zgo2or8p Subject: Re: [dpdk-dev] discussion: creating a new class for vdpa drivers 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 12/16/19 1:04 PM, Maxime Coquelin wrote: > > > On 12/16/19 10:39 AM, Andrew Rybchenko wrote: >> Hi Maxime, >> >> On 12/16/19 11:50 AM, Maxime Coquelin wrote: >>> Hi Andrew, >>> >>> On 12/16/19 9:46 AM, Andrew Rybchenko wrote: >>>> On 12/16/19 11:29 AM, Matan Azrad wrote: >>>>> >>>>> Hi all >>>>> >>>>> I understand all of you agree \ not object with the new class for vdpa drivers. >>>> >>>> I have two control questions: >>>> >>>> 1. If so, is it allowed to have vDPA driver in >>>> drivers/net/ if it is better from code sharing point >>>> of view? >>> >>> If it has something to share, I think we should move the common bits >>> to the common directory. >> >> Does it mean that it is *not* allowed to have vdpa driver in >> drivers/net/ and vDPA drivers *must* live in >> drivers/vdpa only? > > I would say yes, for consistency. OK, it makes sense. Consistency is good. > But that's just my point of view. > Do you have an argument in favor of not enforcing it? I simply expect (storm of) patches which do factor/move out etc. No strong opinion right now. Just clarifying suggested policy. Thanks, Andrew. > Thanks, > Maxime > >>>> 2. If drivers/common is used, is exported functions which are >>>> used by drivers/net/ and drivers/vdpa/ and >>>> data structures are a part of public API/ABI? Hopefully not, >>>> but I'd like to double-check and ensure that it is solved in >>>> the case of shared libraries build. >>> >>> Common functions and data should not be part of the API/ABI I agree. >>> I guess we should use relative paths for including the common headers. >> >> Hopefully include_directories() with relative path in the case >> of meson.build. >> >