From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9E47FC4361B for ; Fri, 11 Dec 2020 16:31:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5A75E23E21 for ; Fri, 11 Dec 2020 16:31:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728447AbgLKPed (ORCPT ); Fri, 11 Dec 2020 10:34:33 -0500 Received: from mail.kernel.org ([198.145.29.99]:49622 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730876AbgLKPe2 (ORCPT ); Fri, 11 Dec 2020 10:34:28 -0500 Date: Fri, 11 Dec 2020 19:46:09 +0530 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1607696177; bh=DAaBOHLvMsSyw+6neqLESTSqSmL9MuEzW34NMZ1jC80=; h=From:To:Cc:Subject:References:In-Reply-To:From; b=SZPbQybCU2On5nHF+ztIHW+5PMZxFAkUaSvSFw1jAuOAfrCJxTV1pIyXvEzXuVWur TtJrWcgSn4IdT5oE0QwDIsYTsBC+OM59YMYQhooKsPNfC21RRI1U9AyAHV6WxSXJbL 7+N62l/cIbBly7E25gW1Hqc8JF7iuXgQXvVsAQyuQIKIrylRQjI2/V6XLdeuHK8hlX YVuaCt3h26rKOjRa5ZCDIeE3BPe4fxbPBT0hZrcN0mSF0VdRWqGhZDOzE+h4le17g6 BbmxSQJyLskWiYA/D9W56RdEDZogro3D8P84F2YqD1UFLsp4uGiazvzeOPg7zO/lY0 G7jJCLNTq12rQ== From: Vinod Koul To: Dave Jiang Cc: dmaengine@vger.kernel.org, tony.luck@intel.com, dan.j.williams@intel.com Subject: Re: [PATCH] dmaengine: idxd: add IAX configuration support in the IDXD driver Message-ID: <20201211141609.GW8403@vkoul-mobl> References: <160564555488.1834439.4261958859935360473.stgit@djiang5-desk3.ch.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <160564555488.1834439.4261958859935360473.stgit@djiang5-desk3.ch.intel.com> Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org On 17-11-20, 13:39, Dave Jiang wrote: > Add support to allow configuration of Intel Analytics Accelerator (IAX) in > addition to the Intel Data Streaming Accelerator (DSA). The IAX hardware > has the same configuration interface as DSA. The main difference > is the type of operations it performs. We can support the DSA and > IAX devices on the same driver with some tweaks. > > IAX has a 64B completion record that needs to be 64B aligned, as opposed to > a 32B completion record that is 32B aligned for DSA. IAX also does not > support token management. Applied, thanks -- ~Vinod