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 4E772A00E6 for ; Mon, 5 Aug 2019 12:17:02 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 647511BDF7; Mon, 5 Aug 2019 12:17:01 +0200 (CEST) Received: from out3-smtp.messagingengine.com (out3-smtp.messagingengine.com [66.111.4.27]) by dpdk.org (Postfix) with ESMTP id 81A9B1B9AF for ; Mon, 5 Aug 2019 12:16:59 +0200 (CEST) Received: from compute1.internal (compute1.nyi.internal [10.202.2.41]) by mailout.nyi.internal (Postfix) with ESMTP id E8F3621BF9; Mon, 5 Aug 2019 06:16:58 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute1.internal (MEProxy); Mon, 05 Aug 2019 06:16:58 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=monjalon.net; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding:content-type; s=mesmtp; bh=f+TSdexJ3BK5txLiEK/wHQsvpIcA8DTZpa7OC4zBOgc=; b=ILWhT0zyQInE DjOH0i7sF+itJamiUOwV85qmrhOu8S0k+xIPT2uYU2+7C5TLtZ+5V1bs50vtyom4 1zuDrzIQ7dxLOAenhcNjIEyqzK9FOP8bVRYrW2U5NOiiq1EPFbvfiShsbThsbkay Ai9ZGIMhKsOoKs3fE5hFV8vlI9Yo4Ho= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-me-proxy:x-me-proxy:x-me-sender:x-me-sender :x-sasl-enc; s=fm3; bh=f+TSdexJ3BK5txLiEK/wHQsvpIcA8DTZpa7OC4zBO gc=; b=U4UfQLSqTjum2JB61LI0K3Vg3A0RckP5iYu3udMXHmFFYUBpqopjluqH9 WloYXQ9iAipDJFYL05YA56jC+z5v+UzotylE4ReYACFFTKRlrAqN3aCtdyDf17QG wlReZ8c3BreBXdXfgBvBJfh5O+Y21rfOWTLZyecpYg8fxx8vP9zL2V12RyBLze2A bHf/Xz612uQgPNqSEmxakyyOTUavV2qHAxQlSTTmzOMsPr2E3MyAmpZBd7g6W9wh qwcuAqNlMgIc55sHNO8FHwN+HFqPw7ca1L/CUQdHdHyXz4ajdulvwj6a8ZoQsG/j ithE5sesnuT4ssd9+MD3Wx/MM/XPQ== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduvddruddtjedgvdeiucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhephffvufffkfgjfhgggfgtsehtqhertddttdejnecuhfhrohhmpefvhhhomhgr shcuofhonhhjrghlohhnuceothhhohhmrghssehmohhnjhgrlhhonhdrnhgvtheqnecukf hppeejjedrudefgedrvddtfedrudekgeenucfrrghrrghmpehmrghilhhfrhhomhepthhh ohhmrghssehmohhnjhgrlhhonhdrnhgvthenucevlhhushhtvghrufhiiigvpedt X-ME-Proxy: Received: from xps.localnet (184.203.134.77.rev.sfr.net [77.134.203.184]) by mail.messagingengine.com (Postfix) with ESMTPA id 75A1C380076; Mon, 5 Aug 2019 06:16:57 -0400 (EDT) From: Thomas Monjalon To: Rasesh Mody Cc: dev@dpdk.org, John McNamara , Jerin Jacob Kollanukkaran , GR-Everest-DPDK-Dev Date: Mon, 05 Aug 2019 12:16:56 +0200 Message-ID: <3551769.Dzh90W8Mvn@xps> In-Reply-To: References: <20190731080207.19167-1-rmody@marvell.com> <5679747.Mjy3nje23Q@xps> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" Subject: Re: [dpdk-dev] [PATCH] doc: add a co-existence consideration for qede PMD 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" 05/08/2019 11:26, Rasesh Mody: > Hi Thomas, >=20 > >From: Thomas Monjalon > >Sent: Wednesday, July 31, 2019 1:31 AM > > > >31/07/2019 10:02, Rasesh Mody: > >> Add and update co-existence considerations for qede PMD > >> > >> Signed-off-by: Rasesh Mody > >> --- > >> doc/guides/nics/qede.rst | 21 +++++++++++++++++++-- > >> 1 file changed, 19 insertions(+), 2 deletions(-) > >> > >> +- Linux kernel drivers and qede PMD can=E2=80=99t be mixed on a given= FastLinQ > >> + QL4xxx adapter. This type of coexistence is unsupported. A given > >> + adapter needs to be completely used by DPDK or Linux drivers, when > >> + SR-IOV is not enabled. Before binging DPDK driver to one or more > >> + devices on the adapter, please make sure to unbind Linux drivers fr= om > >> + all devices of the adapter. If there are multiple adapters on the > >> + system, one or more adapter can be used by DPDK driver and other > >> + adapters can be used by Linux drivers. > >> + > >> +- When SR-IOV is enabled, Linux native kernel driver (qede) can be bo= und > >> + to the PFs of a given adapter and either DPDK or Linux drivers can = be > >> + bound to the VFs of the adapter. > > > >This part is not specific to qede, but related to UIO/VFIO behaviour. > >I think we already have this kind of explanation in the Linux guide. > >If not, please update it and add a reference link from here. >=20 > I've sent updated v2 version of co-existence consideration for Qlogic ada= pters. These considerations are specific to qede PMD. Usage of DPDK and QLo= gic Linux drivers across multiple PFs on the same adapter is not possible a= nd unique for our architecture. We do not want to add notes regarding UIO/V= =46IO behavior here as its common to others as well. OK, looks good.