From patchwork Fri Oct 5 09:02:53 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rafal Kozik X-Patchwork-Id: 46113 X-Patchwork-Delegate: ferruh.yigit@amd.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id A40DE4CB3; Fri, 5 Oct 2018 11:03:33 +0200 (CEST) Received: from mail-lj1-f193.google.com (mail-lj1-f193.google.com [209.85.208.193]) by dpdk.org (Postfix) with ESMTP id 45C704C9F for ; Fri, 5 Oct 2018 11:03:32 +0200 (CEST) Received: by mail-lj1-f193.google.com with SMTP id 203-v6so10889533ljj.13 for ; Fri, 05 Oct 2018 02:03:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=semihalf-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id; bh=kFkyX7IFzQBV6irHytqKVdaW53ctIzAaR6iBYgIz4J0=; b=MRWMgOHtjRAnVoOCwaO7ZULYiackjuobMAlvwlAO0ItdeTzDwLY0EAGTKWfwzUj2/H AtQdf7RzhCNSbUnnmN6fy6GBBbuEzEpqm3BeU2HSMUFRpRaqZy992Vt7JXiYCGZZ4fcn P3E7GAJNwb24ff2PeLuq7aPRVlGkaHHBS/UwPdYfI0uFKnm8wcBRvEq7RLk8NpIm4hza IHyVypZ4GdUP9Y3tRkzpzcXH/U3XgiiGdDEdaYKG70RNSY3v+weqx4w7eroa4L0uPb0Y a97E090JlTPNs2Y+JL0c2TDl0CGZ2BkmI8vj9fnyFK2pMnaG/TQ682fyC/jFTZv5lU5C 8wdg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=kFkyX7IFzQBV6irHytqKVdaW53ctIzAaR6iBYgIz4J0=; b=uYrtMwUknFmLVUQemG1hGN+im1cWVpyuRexs5feTws4uFc7EZlr4aGwaR2vIpJBZzW ioQn+qiViRm0F+3K/2UuCWOZenpb+++Qa1IOvfHqCceIQyjNY+al2pzF36WntcTnnefC PqgLwNPazT18rWLy6o4QFSRABjmJTXd8VX9Kfy9g+4TxJC3DnUshjrzrDcJdEecb3KBJ QLSrVzhKl4P/MAG4IfCtrslC11peZ9iQgLzWEJGm92Q+1LW4sZNRBJpyxTuh1GDzNRgQ mObiZajWuVZ9UGVvqnjXMKAVzBshmfQZbWVwqSn135TJIlhXAYfDVlaJP2OR6raKWq3+ MZnA== X-Gm-Message-State: ABuFfohO+en/uRpgwhXlyO9frrWF1h4AILME8xCKZ5FswX+x5KTKK9jE NDRuONdf4WmXCu8bmodIxsn7SncpY+3g7Q== X-Google-Smtp-Source: ACcGV62uY4irxwP2QYEhBCN+HB4mWMuDxlf8cwKXW9AJGAZNEiBRkXgY6eRyUFwvFIX17vFpwNWQ+Q== X-Received: by 2002:a2e:921a:: with SMTP id k26-v6mr6546605ljg.163.1538730211407; Fri, 05 Oct 2018 02:03:31 -0700 (PDT) Received: from rafalkozik.semihalf.local (31-172-191-173.noc.fibertech.net.pl. [31.172.191.173]) by smtp.gmail.com with ESMTPSA id v4-v6sm1609190ljd.86.2018.10.05.02.03.29 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 05 Oct 2018 02:03:30 -0700 (PDT) From: Rafal Kozik To: dev@dpdk.org Cc: mw@semihalf.com, mk@semihalf.com, gtzalik@amazon.com, evgenys@amazon.com, matua@amazon.com, igorch@amazon.com, ferruh.yigit@intel.com, john.mcnamara@intel.com, marko.kovacevic@intel.com, zorik@amazon.com, Rafal Kozik , stable@dpdk.org Date: Fri, 5 Oct 2018 11:02:53 +0200 Message-Id: <1538730173-7444-1-git-send-email-rk@semihalf.com> X-Mailer: git-send-email 2.7.4 Subject: [dpdk-dev] [PATCH] doc: update for ENA supported drivers 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" Add instruction how to bind ENA to VFIO-PCI driver. Fixes: cf8a122c296a ("ena: introduce documentation") Cc: stable@dpdk.org Signed-off-by: Zorik Machulsky Signed-off-by: Rafal Kozik Acked-by: Michal Krawczyk --- doc/guides/nics/ena.rst | 12 +++++++++--- doc/guides/nics/features/ena.ini | 1 + 2 files changed, 10 insertions(+), 3 deletions(-) diff --git a/doc/guides/nics/ena.rst b/doc/guides/nics/ena.rst index d19912e..0dfefc6 100644 --- a/doc/guides/nics/ena.rst +++ b/doc/guides/nics/ena.rst @@ -187,11 +187,17 @@ Prerequisites ------------- #. Prepare the system as recommended by DPDK suite. This includes environment - variables, hugepages configuration, tool-chains and configuration + variables, hugepages configuration, tool-chains and configuration. -#. Insert igb_uio kernel module using the command 'modprobe igb_uio' +#. ENA PMD can operate with vfio-pci or igb_uio driver. -#. Bind the intended ENA device to igb_uio module +#. Insert vfio-pci or igb_uio kernel module using the command + 'modprobe vfio-pci' or 'modprobe igb_uio' respectively. + +#. If vfio-pci driver is used please make sure noiommu mode is enabled: + echo 1 > /sys/module/vfio/parameters/enable_unsafe_noiommu_mode + +#. Bind the intended ENA device to vfio-pci or igb_uio module. At this point the system should be ready to run DPDK applications. Once the diff --git a/doc/guides/nics/features/ena.ini b/doc/guides/nics/features/ena.ini index 691c1e3..aa6f05a 100644 --- a/doc/guides/nics/features/ena.ini +++ b/doc/guides/nics/features/ena.ini @@ -23,5 +23,6 @@ Inner L4 checksum = Y Basic stats = Y Extended stats = Y Linux UIO = Y +Linux VFIO = Y x86-32 = Y x86-64 = Y