From mboxrd@z Thu Jan 1 00:00:00 1970 From: Evgeniy Polyakov Subject: Re: hifn_795x module on a 64 bit system Date: Sat, 27 Feb 2010 20:32:33 +0300 Message-ID: <20100227173233.GA20108@ioremap.net> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-crypto@vger.kernel.org To: Michael Bohn Return-path: Received: from cet.com.ru ([195.178.208.66]:56671 "EHLO tservice.net.ru" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1030250Ab0B0Rcg (ORCPT ); Sat, 27 Feb 2010 12:32:36 -0500 Content-Disposition: inline In-Reply-To: Sender: linux-crypto-owner@vger.kernel.org List-ID: On Sat, Feb 27, 2010 at 03:04:13PM +0100, Michael Bohn (bohn75@googlemail.com) wrote: > is there a way to use the hifn_795x module on a 64 bit system. ( with > 4GB RAM ) ? > > I get this error message if I try to load this module. > > [ 3.466307] HIFN supports only 32-bit addresses. > [ 1147.645181] HIFN supports only 32-bit addresses. That's it - card only works in 32bit mode, it is limited by descriptor registers. The only way is to work this around is to allocate temporal buffer and copy data here and there, which is unlikely to be faster than software encryption. -- Evgeniy Polyakov