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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, 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 3DB63C55192 for ; Thu, 23 Apr 2020 13:35:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1F5002073A for ; Thu, 23 Apr 2020 13:35:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728234AbgDWNfb (ORCPT ); Thu, 23 Apr 2020 09:35:31 -0400 Received: from mx06lb.world4you.com ([81.19.149.116]:38508 "EHLO mx06lb.world4you.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726361AbgDWNfa (ORCPT ); Thu, 23 Apr 2020 09:35:30 -0400 X-Greylist: delayed 1578 seconds by postgrey-1.27 at vger.kernel.org; Thu, 23 Apr 2020 09:35:30 EDT Received: from [81.19.149.44] (helo=webmail.world4you.com) by mx06lb.world4you.com with esmtpa (Exim 4.92.3) (envelope-from ) id 1jRbbL-0007oF-0A; Thu, 23 Apr 2020 15:09:11 +0200 MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Thu, 23 Apr 2020 15:09:10 +0200 From: Eric Schwarz To: dmaengine@vger.kernel.org, linux-fpga@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Use DMA Test Kernel Module for FPGA Device Message-ID: <3955779b6d28751c45ab5af01095ef88@sw-optimization.com> X-Sender: eas@sw-optimization.com User-Agent: World4You Webmail X-SA-Do-Not-Run: Yes X-AV-Do-Run: Yes Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, I think it is not possible to use the dmatest [1] kernel framework for testing a DMA engine located in an FPGA where the FPGA is connected to the host system over PCIe. However, does any one have out-of-tree patches in order to do so for dmatest or knows a project which could be used for that case? System setup: +-------+ | DDR | +-------+ | | +--------------+ +-------------------+ | | | +------------+ | | | | | DMA Engine | | | | PCIe | +------------+ | | CPU +<----------------->+ | | | | FPGA | | | | | | | | | +--------------+ +-------------------+ [1] https://www.kernel.org/doc/html/latest/driver-api/dmaengine/dmatest.html Many thanks Eric