From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 70297A0524; Tue, 13 Apr 2021 20:24:55 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 3B9F81611DE; Tue, 13 Apr 2021 20:24:55 +0200 (CEST) Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by mails.dpdk.org (Postfix) with ESMTP id 4F29B1611DA for ; Tue, 13 Apr 2021 20:24:53 +0200 (CEST) IronPort-SDR: /FjLly+M7vq0S4EAuvopPP5kN4Gj7uc5gZi+hTRqUUm9LieXdjJgqcS+yIA6hZuZTSVOc4njiY EHsx7Z2IQJ5Q== X-IronPort-AV: E=McAfee;i="6200,9189,9953"; a="173970363" X-IronPort-AV: E=Sophos;i="5.82,220,1613462400"; d="scan'208";a="173970363" Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Apr 2021 11:24:48 -0700 IronPort-SDR: IholBsDcno5qBAnUBrQ66J9dmj5xFVsLkJpOtxsLWDyM7sXGQ/HFAbTAfkookWtF0qmMTm6PFb IrDQnp9agHvA== X-IronPort-AV: E=Sophos;i="5.82,220,1613462400"; d="scan'208";a="443524822" Received: from bricha3-mobl.ger.corp.intel.com ([10.252.6.19]) by fmsmga004-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-SHA; 13 Apr 2021 11:24:46 -0700 Date: Tue, 13 Apr 2021 19:24:41 +0100 From: Bruce Richardson To: Liang Ma Cc: dev@dpdk.org Message-ID: <20210413182441.GC1185@bricha3-MOBL.ger.corp.intel.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Subject: Re: [dpdk-dev] Question about enable CBDMA with ioat PMD ? X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 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" On Tue, Apr 13, 2021 at 06:36:38PM +0100, Liang Ma wrote: > Hi Bruce, > I look into current IOAT PMD. I found that looks only support the > latest DSA device which is part of SPR(Please correct me if I'm wrong). > However, there still is lots existing CPU that support previous CBDMA > Intel Quick-DATA technology. SPDK enable those device with uio. > Any hint to enable those CBDMA device with IOAT PMD ? > Hi Liang, These devices are still supported by the driver. In the latest releases the new device support was added but no older device support was removed. Please let us know if you do hit any problems with running it on the CBDMA HW devices, because it should all still be working as before. Regards, /Bruce