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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 2BF8AC35242 for ; Fri, 14 Feb 2020 03:39:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EEED4206ED for ; Fri, 14 Feb 2020 03:39:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728053AbgBNDjx (ORCPT ); Thu, 13 Feb 2020 22:39:53 -0500 Received: from helcar.hmeau.com ([216.24.177.18]:39356 "EHLO deadmen.hmeau.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728052AbgBNDjx (ORCPT ); Thu, 13 Feb 2020 22:39:53 -0500 Received: from gondobar.mordor.me.apana.org.au ([192.168.128.4] helo=gondobar) by deadmen.hmeau.com with esmtps (Exim 4.89 #2 (Debian)) id 1j2RpT-0003Q5-2y; Fri, 14 Feb 2020 11:39:47 +0800 Received: from herbert by gondobar with local (Exim 4.89) (envelope-from ) id 1j2RpO-0008KC-8Z; Fri, 14 Feb 2020 11:39:42 +0800 Date: Fri, 14 Feb 2020 11:39:42 +0800 From: Herbert Xu To: Iuliana Prodan Cc: Baolin Wang , Ard Biesheuvel , Corentin Labbe , Horia Geanta , Maxime Coquelin , Alexandre Torgue , Maxime Ripard , Aymen Sghaier , "David S. Miller" , Silvano Di Ninno , Franck Lenormand , "linux-crypto@vger.kernel.org" , "linux-kernel@vger.kernel.org" , dl-linux-imx Subject: Re: [PATCH v3 1/2] crypto: engine - support for parallel requests Message-ID: <20200214033942.uatozeoqzrhu7shq@gondor.apana.org.au> References: <1581078974-14778-1-git-send-email-iuliana.prodan@nxp.com> <1581078974-14778-2-git-send-email-iuliana.prodan@nxp.com> <20200213061808.t6udjbgskc2hs7sa@gondor.apana.org.au> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: NeoMutt/20170113 (1.7.2) Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org On Fri, Feb 14, 2020 at 01:25:50AM +0000, Iuliana Prodan wrote: > > Given your suggestion, I’m thinking of implementing do_one_request, in > the driver, to return -IN_PROGRESS if the hw can enqueue more and -EBUSY > if otherwise (solution 1). But, this implies to update all the drivers > that use crypto-engine (something I wouldn’t mind doing, but I don’t > have the hw to test it). We could always maintain a legacy interface for existing drivers until they are all converted. Thanks, -- Email: Herbert Xu Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt