From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-we0-f175.google.com (mail-we0-f175.google.com [74.125.82.175]) by dpdk.org (Postfix) with ESMTP id 97C30AFD7 for ; Thu, 22 May 2014 15:28:34 +0200 (CEST) Received: by mail-we0-f175.google.com with SMTP id t61so3356998wes.6 for ; Thu, 22 May 2014 06:28:44 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:organization :user-agent:in-reply-to:references:mime-version :content-transfer-encoding:content-type; bh=IUyCbsu395g/uJ1S5QbKeJLzmToOshiq/h6TF84PjVU=; b=TTfecO/Dwg1u8lRfI2DLZoRHAR1ItahdpWjFpExnNkXz50coZfOr0EuaDg7oBoAHXV 0pCAF1i1YzzD7LlcpPt0Zqt5urkWpf0Hu8eUpovSZcNIjNY7RQURQYy8NH8wj77IXqqT wgw66F1wekLIWXxu44lJ+EQYPDJDseCAaoZ4g5xXqHGUuriHhQwuRLta/tZi00n2fw+X Sqwocmm0nDjX0P6CASFkxiXhcEldYPt5BgmR/Oqs3slwRUWA/3/JH2Z+rOQs+Ab4/TDH wvVbjsxI8l0BcHUhdNNvBpoOg3Ch1ExNLwCz9+ML2wFcDWENY+VT1LdU4KnVnlOXO3/F 50Mg== X-Gm-Message-State: ALoCoQnrA1hsZ3pHxDtvwysC1jlD+dKpNbT1rEqh3REk0F27CgCfll/lzAPWVsvX/V9xNKpYs0cI X-Received: by 10.180.221.229 with SMTP id qh5mr10384159wic.33.1400765324314; Thu, 22 May 2014 06:28:44 -0700 (PDT) Received: from xps13.localnet (6wind.net2.nerim.net. [213.41.180.237]) by mx.google.com with ESMTPSA id gi8sm391447wib.8.2014.05.22.06.28.42 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 22 May 2014 06:28:43 -0700 (PDT) From: Thomas Monjalon To: "Burakov, Anatoly" Date: Thu, 22 May 2014 15:28:39 +0200 Message-ID: <2484533.miHp3qEXFE@xps13> Organization: 6WIND User-Agent: KMail/4.13 (Linux/3.14.4-1-ARCH; KDE/4.13.0; x86_64; ; ) In-Reply-To: References: <1444994.s4JW68cLD9@xps13> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Cc: dev@dpdk.org Subject: Re: [dpdk-dev] [PATCH v2 13/16] Removed PCI ID table from igb_uio X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 22 May 2014 13:28:34 -0000 2014-05-22 13:24, Burakov, Anatoly: > Hi Thomas, > > > I wonder if we could replace igb_uio by uio_pci_generic? > > Can it do DMA or IOMMU support? Not even VFIO does everything we need, you > may have noticed that I have to go to PCI config space to enable bus > mastering. I don't think that driver can do either of those things. Unless, > of course, you meant simply not tying the binding script to specific > driver, which in effect is already in place (although it does check whether > vfio-pci or igb_uio are loaded). Actually my question was: is there something in igb_uio which is not already handled by uio_pci_generic? -- Thomas