From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f46.google.com (mail-pa0-f46.google.com [209.85.220.46]) by dpdk.org (Postfix) with ESMTP id 068DC591A for ; Mon, 26 Jan 2015 18:07:22 +0100 (CET) Received: by mail-pa0-f46.google.com with SMTP id lj1so12814199pab.5 for ; Mon, 26 Jan 2015 09:07:21 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:date:from:to:cc:subject:message-id:in-reply-to :references:mime-version:content-type:content-transfer-encoding; bh=CykYmrFm2G6sHZiX4qBz+EEWohLXVSTKQKr1WMmST1E=; b=RjwWxaFwFR0dGErlWGhH7X1TETlr/Ycv9IS99aDzjh+BFBWk5VF0z1kM9ZmeirE6TI HQ064GNSBBXvqX4VoKUpJw4wtXxOB7+6j+6EoyEtuCuEU6LScZRoB+HzHqlkArHo9MLY rqeBnEDL7P3B6rbeVcBvgxua4jBf7LARcpxUCkldc2RNDlenS1jh1cFwJwGRaJb3i1TU 9k4RwHxLq+Tlub3oKZ8v3gHKh1O2GTkB4MhGhKmQ9ki120Ny6OgSjd9EpnGxGT/PAt1O MuA/2co5W0apPKLQTqs7yftuWZ9DETnqak/ystguoOn5ZS7RA82iaAfUZ0x3v48ErOEg z2PA== X-Gm-Message-State: ALoCoQm70YZIZxKr1OSsCWyNsdGZIasDX1A0x+fdUKuB2ds7NAV+B8RC7qdeTHj18uthm25kwc/6 X-Received: by 10.69.11.98 with SMTP id eh2mr35823012pbd.86.1422292041116; Mon, 26 Jan 2015 09:07:21 -0800 (PST) Received: from uryu.home.lan ([144.49.132.22]) by mx.google.com with ESMTPSA id ak5sm10395643pad.44.2015.01.26.09.07.19 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 26 Jan 2015 09:07:20 -0800 (PST) Date: Mon, 26 Jan 2015 17:07:09 +0000 From: Stephen Hemminger To: Danny Zhou Message-ID: <20150126170709.42fdd3fa@uryu.home.lan> In-Reply-To: <1421747640-20978-1-git-send-email-danny.zhou@intel.com> References: <1421747640-20978-1-git-send-email-danny.zhou@intel.com> X-Mailer: Claws Mail 3.11.1 (GTK+ 2.24.25; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: dev@dpdk.org Subject: Re: [dpdk-dev] [RFC PATCH 0/5] Introduce low-latency one-shot rx interrupt into DPDK with polling/interrupt switch control example 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: Mon, 26 Jan 2015 17:07:23 -0000 On Tue, 20 Jan 2015 17:53:55 +0800 Danny Zhou wrote: > This patchset includes below features: > 1) Enable one-shot rx queue interrupt in ixgbe PMD for PF as well as VF. > 2) Build on top of the VFIO mechanism instead of UIO, so it could support > up to 64 interrupt vectors for rx queue interrupts. This is very much needed in virtual environments where DPDK is used in a guest. In that environment, VFIO is not supported only UIO will work. Either using igb_uio or uio_generic driver is necessary. Could you make this work for these as well?