From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: <dev-bounces@dpdk.org> Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id BC153A0487 for <public@inbox.dpdk.org>; Fri, 5 Jul 2019 00:17:35 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 5BF2E1B942; Fri, 5 Jul 2019 00:17:34 +0200 (CEST) Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by dpdk.org (Postfix) with ESMTP id 9240F1B203 for <dev@dpdk.org>; Fri, 5 Jul 2019 00:17:32 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 04 Jul 2019 15:17:31 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.63,452,1557212400"; d="scan'208";a="172509601" Received: from fyigit-mobl.ger.corp.intel.com (HELO [10.251.95.142]) ([10.251.95.142]) by FMSMGA003.fm.intel.com with ESMTP; 04 Jul 2019 15:17:29 -0700 To: Bruce Richardson <bruce.richardson@intel.com>, dev@dpdk.org Cc: jiayu.hu@intel.com References: <20190530212525.40370-1-bruce.richardson@intel.com> <20190702141230.31925-1-bruce.richardson@intel.com> From: Ferruh Yigit <ferruh.yigit@intel.com> Openpgp: preference=signencrypt Autocrypt: addr=ferruh.yigit@intel.com; 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WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.7.2 MIME-Version: 1.0 In-Reply-To: <20190702141230.31925-1-bruce.richardson@intel.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit 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 <dev.dpdk.org> List-Unsubscribe: <https://mails.dpdk.org/options/dev>, <mailto:dev-request@dpdk.org?subject=unsubscribe> List-Archive: <http://mails.dpdk.org/archives/dev/> List-Post: <mailto:dev@dpdk.org> List-Help: <mailto:dev-request@dpdk.org?subject=help> List-Subscribe: <https://mails.dpdk.org/listinfo/dev>, <mailto:dev-request@dpdk.org?subject=subscribe> Errors-To: dev-bounces@dpdk.org Sender: "dev" <dev-bounces@dpdk.org> On 7/2/2019 3:12 PM, Bruce Richardson wrote: > 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. > > V5: > * updated doxygen comment for internal rawdev pmd API > > V4: > * changed memory management to use contiguous memzones instead of > malloc memory > * added missing device ids for BDX platforms > * other misc cleanup following review (see individual patches logs) > > V3: > * removed DPDK-specific structure for the descriptor format and reused > the structure in the imported file rte_ioat_spec.h > > V2: > * moved tests to rawdev selftest function > * some checkpatch and other small cleanups > * added extra documentation details on supported hardware > * aligned the changes to dpdk-devbind with the changes in the NTB set > for consistency > > > 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 Hi Bruce, Thomas, Getting following build error with icc, both for 32-bit & 64-bit: .../dpdk/drivers/raw/ioat/ioat_rawdev_test.c(28): (col. 9) error #13203: No EMMS instruction before call to function