From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 155CAA054F; Tue, 2 Mar 2021 13:31:13 +0100 (CET) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id F03754014E; Tue, 2 Mar 2021 13:31:12 +0100 (CET) Received: from out0-130.mail.aliyun.com (out0-130.mail.aliyun.com [140.205.0.130]) by mails.dpdk.org (Postfix) with ESMTP id 9B97940142 for ; Tue, 2 Mar 2021 13:31:11 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alibaba-inc.com; s=default; t=1614688269; h=Subject:To:From:Message-ID:Date:MIME-Version:Content-Type; bh=Y3lFNCi9INUwfU2XnRwi8FZVL+cTSpqz9AQeqPaxWAY=; b=cMVsQE8vBJ4L+A1uhh+ZjAaIaDzvvSodwUMYwhglblJxEIXvNladnyXp7B8SPUB1VsnNGBuqkiyfAhY4Hzn7tx0Q6Z/9uJv8ABXiuhGiB4suNQGdOEdFiSseaLa/MGlPRYw3cWh9NK/+XwLUYw2/ybVuu7HNjkK+OhVIh/w9GHI= X-Alimail-AntiSpam: AC=PASS; BC=-1|-1; BR=01201311R791e4; CH=green; DM=||false|; DS=||; FP=0|-1|-1|-1|0|-1|-1|-1; HT=ay29a033018047204; MF=huawei.xhw@alibaba-inc.com; NM=1; PH=DS; RN=8; SR=0; TI=SMTPD_---.JfQlZ.9_1614688267; Received: from 30.43.73.114(mailfrom:huawei.xhw@alibaba-inc.com fp:SMTPD_---.JfQlZ.9_1614688267) by smtp.aliyun-inc.com(127.0.0.1); Tue, 02 Mar 2021 20:31:07 +0800 To: David Marchand Cc: "Yigit, Ferruh" , Maxime Coquelin , dev , "Burakov, Anatoly" , xuemingl@nvidia.com, Gaetan Rivet , "Xia, Chenbo" References: <1611890309-99135-1-git-send-email-huawei.xhw@alibaba-inc.com> <1611890309-99135-2-git-send-email-huawei.xhw@alibaba-inc.com> <63a70249-df55-806b-7ee8-6f3910881dd6@alibaba-inc.com> From: "=?UTF-8?B?6LCi5Y2O5LyfKOatpOaXtuatpOWIu++8iQ==?=" Message-ID: <69c56199-ea02-fac7-ce8a-19b7b851fbda@alibaba-inc.com> Date: Tue, 02 Mar 2021 20:31:00 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.7.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US Subject: Re: [dpdk-dev] [PATCH v6 1/2] bus/pci: use PCI standard sysfs entry to get PIO address X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 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 2021/2/25 1:52, David Marchand wrote: > On Wed, Feb 24, 2021 at 4:29 PM 谢华伟(此时此刻) wrote: >>> Did you check that virtio devices bound to uio_pci_generic still works >>> with legacy mode + PIO? >> I had verified PIO, might under igb_uio driver. > Well, if you are unsure, please retest both cases, igb_uio and uio_pci_generic. > > >> Theoretically it works with uio_pci_generic driver. I could do the test >> if needed. Give me some time. Have to create a legacy VM. Now bars in >> virtio device in the cloud are basically mmio. > Sure, take the time to check. > I'll wait for your confirmation, thanks. Hi David: Tested PIO under igb_uio and uio_pci_generic driver. Both works. Also tested MMIO under both drivers. > >