From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <dev-bounces@dpdk.org>
Received: from dpdk.org (dpdk.org [92.243.14.124])
	by inbox.dpdk.org (Postfix) with ESMTP id F3732A10DA
	for <public@inbox.dpdk.org>; Wed, 31 Jul 2019 12:58:14 +0200 (CEST)
Received: from [92.243.14.124] (localhost [127.0.0.1])
	by dpdk.org (Postfix) with ESMTP id 35EB81C0B2;
	Wed, 31 Jul 2019 12:58:14 +0200 (CEST)
Received: from mail-vs1-f68.google.com (mail-vs1-f68.google.com
 [209.85.217.68]) by dpdk.org (Postfix) with ESMTP id D0B281BFE0
 for <dev@dpdk.org>; Wed, 31 Jul 2019 12:58:12 +0200 (CEST)
Received: by mail-vs1-f68.google.com with SMTP id 190so45843240vsf.9
 for <dev@dpdk.org>; Wed, 31 Jul 2019 03:58:12 -0700 (PDT)
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
 d=1e100.net; s=20161025;
 h=x-gm-message-state:mime-version:references:in-reply-to:from:date
 :message-id:subject:to:cc;
 bh=vgzTcxB0GkiwYxOxRpobCIJsuT3rX+Wb0lPwDsVBOmk=;
 b=mKcZPooKAQEwW94y3b1Y8iHCKBsOBUaA7h3PYO6gRWvBkJHp/TvufJCs8ZrPFEMBy2
 7goh5hjzdFdu9JiIYSMdzNI+6nZOmfSgbuOsTNxvya2QPtDrs75N6grDj46pShxK02zA
 JnwfYepD/LKta4rjAWCFbKxp1aAM7OsdqAZzOjFnPMDyBMasdfBYCNCJP7nFmi6vI11d
 lmIcFnnun6Zp3xM03qAnnB1/IppKAK4xX/SJ8MNZMjbmcwUcZk8liI/tEtaVlwAiXxNN
 fWSqG0ykYlkK/WIn6j/+BZDvWwckYSDUNNcAZxjTJall4mHoAT8TNZAvrhwyUX1tJSYg
 9nvg==
X-Gm-Message-State: APjAAAXW2tjFYmEFv/POjLzNegVYqdzHaazKi6SzW6emXPL8mmknkrji
 JZqgNmk0D9ZcqtokPoa7J9AdHYQdfpDPiJg6oU2qdQ==
X-Google-Smtp-Source: APXvYqx2pX3l7K8pNxDrZ4rjEZeptIXyM7NxN8qz5h2gYCYnep9cLCuYmc7krcYysfgoSkcOhuljGDCKa8SkYPteWFg=
X-Received: by 2002:a67:d81b:: with SMTP id e27mr73859888vsj.198.1564570692170; 
 Wed, 31 Jul 2019 03:58:12 -0700 (PDT)
MIME-Version: 1.0
References: <20190731033523.2482-1-tyos@jp.ibm.com>
 <CAJFAV8wBG5i0rg2hVjXwF=qwMGfqj5VqUZ95MQmas1Yi_njj1Q@mail.gmail.com>
 <OF6FEB6022.2D33273A-ON00258448.003A6495-00258448.003AFACA@notes.na.collabserv.com>
In-Reply-To: <OF6FEB6022.2D33273A-ON00258448.003A6495-00258448.003AFACA@notes.na.collabserv.com>
From: David Marchand <david.marchand@redhat.com>
Date: Wed, 31 Jul 2019 12:58:01 +0200
Message-ID: <CAJFAV8xJhen1CUZ1eRrgjBY-ZwtSfeb3VxVYNGtXsviUmUuVCQ@mail.gmail.com>
To: Takeshi T Yoshimura <TYOS@jp.ibm.com>,
 Maxime Coquelin <maxime.coquelin@redhat.com>
Cc: dev <dev@dpdk.org>, "Burakov, Anatoly" <anatoly.burakov@intel.com>
Content-Type: text/plain; charset="UTF-8"
Subject: Re: [dpdk-dev] [PATCH] eal: forcing IOVA as PA in ppc
X-BeenThere: dev@dpdk.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: DPDK patches and discussions <dev.dpdk.org>
List-Unsubscribe: <https://mails.dpdk.org/options/dev>,
 <mailto:dev-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://mails.dpdk.org/archives/dev/>
List-Post: <mailto:dev@dpdk.org>
List-Help: <mailto:dev-request@dpdk.org?subject=help>
List-Subscribe: <https://mails.dpdk.org/listinfo/dev>,
 <mailto:dev-request@dpdk.org?subject=subscribe>
Errors-To: dev-bounces@dpdk.org
Sender: "dev" <dev-bounces@dpdk.org>

On Wed, Jul 31, 2019 at 12:44 PM Takeshi T Yoshimura <TYOS@jp.ibm.com> wrote:
> Ah, I overlooked your first question. The "ppc driver" is in
> drivers/bus/pci/linux/pci.c. In pci.c, pci_one_device_iommu_support_va()
> always returns false in ppc. so, the driver does not allow VA mode in ppc.
>
> This return value is passed to rte_pci_probe_one_driver()
> in drivers/bus/pci/pci_common.c. And the error log appeared like:
>
> EAL: PCI device 0000:01:00.0 on NUMA socket 0
> EAL:   probe driver: 144d:a822 spdk_nvme
> EAL:   Expecting 'PA' IOVA mode but current mode is 'VA', not initializing
>

In which situation does this error happen?
When probing the device at eal init time? or later when hotplugging?
Can you give the full eal logs with --log-level lib.*:debug?


-- 
David Marchand