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Mon, 16 Dec 2019 05:26:16 -0500 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 8FE0F8024F9; Mon, 16 Dec 2019 10:26:13 +0000 (UTC) Received: from [10.36.112.19] (ovpn-112-19.ams2.redhat.com [10.36.112.19]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 84EF95C54A; Mon, 16 Dec 2019 10:26:09 +0000 (UTC) To: Andrew Rybchenko , 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> <1ea76780-db92-5b1d-7357-08909051e637@solarflare.com> From: Maxime Coquelin Autocrypt: addr=maxime.coquelin@redhat.com; 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Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.1.0 MIME-Version: 1.0 In-Reply-To: <1ea76780-db92-5b1d-7357-08909051e637@solarflare.com> Content-Language: en-US X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-MC-Unique: ZTVceqTpPMm4HW2clH3g7g-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit 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 11:19 AM, Andrew Rybchenko wrote: > 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. You're right, maybe we could request the technical board agree on that. Next tech board is this wednesday. I'm sending the request to the techboard ML. Thanks, Maxime > 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. >>> >> >