From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DFE45C4741F for ; Thu, 5 Nov 2020 20:31:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 84DB82222B for ; Thu, 5 Nov 2020 20:31:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604608317; bh=mLsNqMpg+fjeU5Wj1TlalFF/ej18WzbVB4jrTqF1H+g=; h=Subject:From:To:Cc:Date:In-Reply-To:References:List-ID:From; b=XCuk7l3AKaQQSNdnsPUToXzs5UdQKon6U31zsBwT/JwRNH1DUeVTVIw2QacETnNMc qCy3RAuIbSn0l48BdFv0ihFpcDClYPmNyBn5CLjCS4btLcqAHfnK1iA656CzZCJdQk H9LeRbt0f5lEoXVVAVdeXWoZe8sOc8QULKOC6q60= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732175AbgKEUbz (ORCPT ); Thu, 5 Nov 2020 15:31:55 -0500 Received: from mail.kernel.org ([198.145.29.99]:40680 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726996AbgKEUbz (ORCPT ); Thu, 5 Nov 2020 15:31:55 -0500 Received: from lt-jalone-7480.mtl.com (c-24-6-56-119.hsd1.ca.comcast.net [24.6.56.119]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 70B86206CB; Thu, 5 Nov 2020 20:31:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604608314; bh=mLsNqMpg+fjeU5Wj1TlalFF/ej18WzbVB4jrTqF1H+g=; h=Subject:From:To:Cc:Date:In-Reply-To:References:From; b=tip2y8ihPjnL+k84Ml5q7RJaT+qHuQ8ouQtkwEu9HT+3NJ+Do7g6/WkFLgvWr0nxG XL66eSQHoh7XVgTbzWogbyGV0wbtvQ24hhUBY24NLMphWpdncSrpEJ1V5DOZXDJx+e SeV6rpliRjmRwz5J0sZtZO/dmhjGVN3fW+ON4qpQ= Message-ID: <8a8e75215a5d3d8cfa9c3c6747325dbbf965811f.camel@kernel.org> Subject: Re: [PATCH mlx5-next v1 04/11] vdpa/mlx5: Make hardware definitions visible to all mlx5 devices From: Saeed Mahameed To: Leon Romanovsky , Doug Ledford , Jason Gunthorpe , gregkh Cc: Leon Romanovsky , Jakub Kicinski , Jason Wang , linux-rdma@vger.kernel.org, "Michael S. Tsirkin" , netdev@vger.kernel.org, Parav Pandit , Roi Dayan , virtualization@lists.linux-foundation.org, alsa-devel@alsa-project.org, tiwai@suse.de, broonie@kernel.org, "David S . Miller" , ranjani.sridharan@linux.intel.com, pierre-louis.bossart@linux.intel.com, fred.oh@linux.intel.com, shiraz.saleem@intel.com, dan.j.williams@intel.com, kiran.patil@intel.com, linux-kernel@vger.kernel.org Date: Thu, 05 Nov 2020 12:31:52 -0800 In-Reply-To: <20201101201542.2027568-5-leon@kernel.org> References: <20201101201542.2027568-1-leon@kernel.org> <20201101201542.2027568-5-leon@kernel.org> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.36.5 (3.36.5-1.fc32) MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Sun, 2020-11-01 at 22:15 +0200, Leon Romanovsky wrote: > From: Leon Romanovsky > > Move mlx5_vdpa IFC header file to the general include folder, so > mlx5_core will be able to reuse it to check if VDPA is supported > prior to creating an auxiliary device. > I don't really like this, the whole idea of aux devices is that they get to do own logic and hide details, now we are exposing aux specific stuff to the bus .. let's figure a way to avoid such exposure as we discussed yesterday. is_supported check shouldn't belong to mlx5_core and each aux device (en/ib/vdpa) should implement own is_supported op and keep the details hidden in the aux driver like it was before this patch.