From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tetsuya Mukawa Subject: Re: [PATCH v5 3/3] vhost: Add helper function to convert port id to virtio device pointer Date: Fri, 18 Dec 2015 12:15:49 +0900 Message-ID: <56737A65.9060603@igel.co.jp> References: <1447392031-24970-3-git-send-email-mukawa@igel.co.jp> <1448355603-21275-1-git-send-email-mukawa@igel.co.jp> <1448355603-21275-4-git-send-email-mukawa@igel.co.jp> <20151217114750.GD29571@yliu-dev.sh.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Cc: dev@dpdk.org, ann.zhuangyanying@huawei.com To: Yuanhan Liu , "Xie, Huawei" Return-path: Received: from mail-pa0-f51.google.com (mail-pa0-f51.google.com [209.85.220.51]) by dpdk.org (Postfix) with ESMTP id 1EB2A8DAC for ; Fri, 18 Dec 2015 04:15:52 +0100 (CET) Received: by mail-pa0-f51.google.com with SMTP id ur14so52706631pab.0 for ; Thu, 17 Dec 2015 19:15:52 -0800 (PST) In-Reply-To: <20151217114750.GD29571@yliu-dev.sh.intel.com> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On 2015/12/17 20:47, Yuanhan Liu wrote: > On Tue, Nov 24, 2015 at 06:00:03PM +0900, Tetsuya Mukawa wrote: >> This helper function is used to convert port id to virtio device >> pointer. To use this function, a port should be managed by vhost PMD. >> After getting virtio device pointer, it can be used for calling vhost >> library APIs. > I'm thinking why is that necessary. I mean, hey, can we simply treat > it as a normal pmd driver, and don't consider any vhost lib functions > any more while using vhost pmd? I guess vhost PMD cannot hide some of vhost features. Because of this, we may need to add ethdev APIs to wraps these features. I described more in one more email. Could you please see it also? Thanks, Tetsuya