Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753142AbcDXTAZ (ORCPT ); Sun, 24 Apr 2016 15:00:25 -0400 Received: from mail-am1on0132.outbound.protection.outlook.com ([157.56.112.132]:4448 "EHLO emea01-am1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751814AbcDXTAY convert rfc822-to-8bit (ORCPT ); Sun, 24 Apr 2016 15:00:24 -0400 X-Greylist: delayed 936 seconds by postgrey-1.27 at vger.kernel.org; Sun, 24 Apr 2016 15:00:23 EDT From: Ramon Fried To: "vinod.koul@intel.com" , "dan.j.williams@intel.com" , "dmaengine@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: dmatest - scatter gather mode Thread-Topic: dmatest - scatter gather mode Thread-Index: AQHRnljDjh2e63Eq3kaXG277ol1lRQ== Date: Sun, 24 Apr 2016 18:44:41 +0000 Message-ID: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: intel.com; dkim=none (message not signed) header.d=none;intel.com; dmarc=none action=none header.from=tandemg.com; x-originating-ip: [134.191.232.69] x-ms-office365-filtering-correlation-id: e6ad7269-9bbf-4103-307e-08d36c707f99 x-microsoft-exchange-diagnostics: 1;AM2PR02MB0689;5:LANjg4Kp5F9CLrno9ydJgKgVhNe9GhoXepKzoe3BfEnC6Or3xLs0+nsjFI/JwTQBnwkdUlS7StmFPfC0r52u2xxXq7NMm0YzCsWyU/mGpeq/MS9tXJwVZTMs9TqVblPelIdAErS59AGlx7745KARsw==;24:QNIxyfP23sylNzLWdbn0n/R3J+Z72MLEotqV4+bk6v/Z/Cj9kMo2qlKYivI0Y262w+GTvovS19wT4VRVTE/BJFfztj8vNgV51/qTO1DFhu8=;7:fW8Cotal1/BDYB+gjn4zzsnF75dWAcBiTubIdIQFEsTDtIXz1qkmENbBpx87wfft5wuettwFOKbfuPf0wk3rUjW9wqGJ12Ujq+sIbj0kzkdUnSiHpn1+mopi2wsOkbNkFGs5HK8O5nYVHHr4xd5EeuOg9OKQ9gSpY2THM6ZFzX7DUSBInFs5IMZ4YTLCsNk7 x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:;SRVR:AM2PR02MB0689; x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:; x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(9101521026)(6040130)(601004)(2401047)(5005006)(8121501046)(10201501046)(3002001)(6041072)(6043046);SRVR:AM2PR02MB0689;BCL:0;PCL:0;RULEID:;SRVR:AM2PR02MB0689; x-forefront-prvs: 09222B39F5 x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(6009001)(189998001)(586003)(9686002)(66066001)(3280700002)(81166005)(3660700001)(5003600100002)(3846002)(102836003)(6116002)(10400500002)(2906002)(2201001)(229853001)(50986999)(1096002)(107886002)(1220700001)(54356999)(5001770100001)(558084003)(87936001)(33656002)(5002640100001)(122556002)(2501003)(11100500001)(5008740100001)(92566002)(86362001)(77096005)(74316001)(106116001)(76576001)(2900100001);DIR:OUT;SFP:1102;SCL:1;SRVR:AM2PR02MB0689;H:AM2PR02MB0689.eurprd02.prod.outlook.com;FPR:;SPF:None;MLV:sfv;LANG:en; spamdiagnosticoutput: 1:23 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT MIME-Version: 1.0 X-OriginatorOrg: tandemg.com X-MS-Exchange-CrossTenant-originalarrivaltime: 24 Apr 2016 18:44:41.5848 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: d690b55a-f04a-454b-9f62-fb1e25467a25 X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM2PR02MB0689 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 293 Lines: 6 I'm looking of a way to validate a DMA engine driver I've written. I came across dmatest module and while reading the code I've noticed that scatter-gather DMA mode is not implemented. I wonder if anyone one knows the reason, and if such enhancement will be welcome as a patch. Thanks. Ramon