From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-io0-f170.google.com (mail-io0-f170.google.com [209.85.223.170]) by dpdk.org (Postfix) with ESMTP id 26A002C55 for ; Wed, 19 Jul 2017 22:13:36 +0200 (CEST) Received: by mail-io0-f170.google.com with SMTP id 5so4640803iow.0 for ; Wed, 19 Jul 2017 13:13:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=0Y0zzNfj+dLtofLk3AIXVqH/N1Utp03d1drSr6SAp2M=; b=G7/25eGnXpz18ApO2wH9O7mzg+1Nn5vTUr76Msub2dm9F7pan+NW6v1V0pHTgMAKMt VwHeBzI0QvA/P1qMunQzFdD2o9IltZE6f8gwB/Wk23kjY8p90aQS6wfyBswLUYIl3nc8 n7CfIs9zExbdxIHcDAuzPePCO9FOHuOtXJKZwHjHNpBYOgNqInBX737sVTk7oC9LUcKS f17+J9jDtFuomGtMoWN0DTAhqhC+//U+KhZNm33WJZMd0tsbhemvEq0fnKnxrCIZrudR 044k0FZy5kh0ueCAsmN76cm5svAXkSDCR346VNY/8gV6EWJUjHyPmmInXB59ULMoIuN1 ZODg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=0Y0zzNfj+dLtofLk3AIXVqH/N1Utp03d1drSr6SAp2M=; b=G6avaUemCvd9h5qO2nflbSCXJdBXSszAOLP9S0AAHJKryvWxHz7OoLZw87AiZ1YwO+ SnHup9S2BpgDt+18iH+TeHCljDQXGmyL462j3hpU6AqYlS6nzTqc4GhxKvi/Hb+98jkT jgtb7t881hJ3oS1fZvPMLfSeOjtqqyyM/9dxwvlPjenwBAF4CaqAzmh/kAaMfbqkgL/w JdHVzlE0OhTiBaTruAKH6d3Fr0vKsUPDi3nlg4sl9vBcREFOKorugvGzSwEf7gQkdFz/ eJOS52/PzKZmNNyzTS+7m9qllkJEb9Qk6Qm6pQqzjkyacSRk+N54mvUDGsGGZFtrZwXu otQw== X-Gm-Message-State: AIVw110PXmxjsY5Ab+oxymepb76dH1dxzXWQhIH2W9Z0wQQjqDaMl1Tn lQRhL8Z2LHbN+WCk6+JbnWUTOIoRjA== X-Received: by 10.107.179.8 with SMTP id c8mr1484256iof.67.1500495215367; Wed, 19 Jul 2017 13:13:35 -0700 (PDT) MIME-Version: 1.0 Received: by 10.107.182.136 with HTTP; Wed, 19 Jul 2017 13:13:34 -0700 (PDT) Received: by 10.107.182.136 with HTTP; Wed, 19 Jul 2017 13:13:34 -0700 (PDT) In-Reply-To: <20170719120428.0ab9c39e@xeon-e3> References: <20170719120428.0ab9c39e@xeon-e3> From: edin burgh Date: Wed, 19 Jul 2017 13:13:34 -0700 Message-ID: To: Stephen Hemminger Cc: users@dpdk.org Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Subject: Re: [dpdk-users] IOMMU support in UIO X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK usage discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 19 Jul 2017 20:13:36 -0000 Thank you for the reply Stephen. Safety and protection issues aside, do uio_pci_generic and igb_uio have the functionality to support IOMMU? Thanks On Jul 19, 2017 12:04, "Stephen Hemminger" wrote: On Wed, 19 Jul 2017 11:31:28 -0700 edin burgh wrote: > Hello, > > I wanted to know if igb_uio or uio_pci_generic has support for IOMMU on x86 > systems. If you have an IOMMU, use VFIO. igb_uio and uio_pci_generic are unsafe and provide no memory protection.