From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 688DBA0487 for ; Thu, 4 Jul 2019 09:45:42 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 807AC1B945; Thu, 4 Jul 2019 09:45:41 +0200 (CEST) Received: from out5-smtp.messagingengine.com (out5-smtp.messagingengine.com [66.111.4.29]) by dpdk.org (Postfix) with ESMTP id B1B781B4B6 for ; Thu, 4 Jul 2019 09:45:39 +0200 (CEST) Received: from compute1.internal (compute1.nyi.internal [10.202.2.41]) by mailout.nyi.internal (Postfix) with ESMTP id 539652151C; Thu, 4 Jul 2019 03:45:39 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute1.internal (MEProxy); Thu, 04 Jul 2019 03:45:39 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=monjalon.net; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding:content-type; s=mesmtp; bh=v7DUiJJv6lcok6hTZkj31TSLDHT98jDQsyuKXqBLw/4=; b=rk6CnxW5cd2t 6DxfFbBcHXzvmK6KCdtALrwIrVAVcM4ubwEEzwSX2qzvOOs8Tc6c5S0k9jwlQCca eEHKNmuwenhBXcePwLDy3Ss3H3NwEt0rEo2nGqQ+pkt+C8uMqCUv4Lbq0m6uKbXV WwXjACAKMTA2GOB3yyswNmRxjUgYkxc= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-me-proxy:x-me-proxy:x-me-sender:x-me-sender :x-sasl-enc; s=fm3; bh=v7DUiJJv6lcok6hTZkj31TSLDHT98jDQsyuKXqBLw /4=; b=LAjVBmLsFHSVRX/snThRMXbsrnt0yBOlxtwd5exMnhHKi0E3bvcdGxVzw U6IRpDbvCyjjHR+XPm+OO0kEzszzVN0rkUnFvk3ZrKtz42R+iXCebK27BFtEMGIC la63gwQyypp7oQPj9pRvHezZzQDVEd7Kga2sxwIAgiCEnVsUtZuuKFgv4yefJ2kb In7d+6zEzDfVuDDmpwLaJKhs3Khur4EKNYSXBXFCyc2gySw8PuFRZGSepXoYTPjj 3EDddrkSVrecSzFpzzWD5gpH+Ik/K7QU/hoZI51Z0/Y2L2O33qnykUTF+NNVQ1RW sja7I0E6A8DLByp30Ge0S82dgDU5w== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduvddrfedugdduvdeiucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhephffvufffkfgjfhgggfgtsehtufertddttddvnecuhfhrohhmpefvhhhomhgr shcuofhonhhjrghlohhnuceothhhohhmrghssehmohhnjhgrlhhonhdrnhgvtheqnecukf hppeejjedrudefgedrvddtfedrudekgeenucfrrghrrghmpehmrghilhhfrhhomhepthhh ohhmrghssehmohhnjhgrlhhonhdrnhgvthenucevlhhushhtvghrufhiiigvpedt X-ME-Proxy: Received: from xps.localnet (184.203.134.77.rev.sfr.net [77.134.203.184]) by mail.messagingengine.com (Postfix) with ESMTPA id 5D214380079; Thu, 4 Jul 2019 03:45:38 -0400 (EDT) From: Thomas Monjalon To: Bruce Richardson Cc: dev@dpdk.org, jiayu.hu@intel.com Date: Thu, 04 Jul 2019 09:45:36 +0200 Message-ID: <1890502.nBu2tS3XFU@xps> In-Reply-To: <20190702141230.31925-1-bruce.richardson@intel.com> References: <20190530212525.40370-1-bruce.richardson@intel.com> <20190702141230.31925-1-bruce.richardson@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Subject: Re: [dpdk-dev] [PATCH v5 0/9] raw/ioat: driver for Intel QuickData Technology 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" 02/07/2019 16:12, Bruce Richardson: > This patch series adds support for the Intel QuickData Technology > device, part of the Intel I/O Acceleration Technology (Intel I/OAT). It > is a raw device for allowing hardware DMA i.e. data copies in hardware. > > Performing the copies in hardware can provide performance improvements > for applications where the average copy size is reasonably large, e.g. > 1k packets. For smaller packets, e.g. 64-256 bytes, offloading the copy > may reduce performance due to the overhead of using hardware. [...] > Bruce Richardson (9): > rawdev: allow devices to skip extra memory allocation > raw/ioat: add initial support for ioat rawdev driver > usertools/dpdk-devbind.py: add support for IOAT devices > raw/ioat: add register definition file > raw/ioat: create device on probe and destroy on release > raw/ioat: add device info function > raw/ioat: add configure, start and stop functions > raw/ioat: add statistics functions > raw/ioat: add local API to perform copies Applied, thanks