Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757746Ab2BMTyO (ORCPT ); Mon, 13 Feb 2012 14:54:14 -0500 Received: from einhorn.in-berlin.de ([192.109.42.8]:46817 "EHLO einhorn.in-berlin.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754877Ab2BMTyM (ORCPT ); Mon, 13 Feb 2012 14:54:12 -0500 X-Envelope-From: stefanr@s5r6.in-berlin.de Date: Mon, 13 Feb 2012 20:53:32 +0100 From: Stefan Richter To: Chris Boot Cc: "Nicholas A. Bellinger" , linux1394-devel@lists.sourceforge.net, target-devel@vger.kernel.org, linux-kernel@vger.kernel.org, agrover@redhat.com, clemens@ladisch.de Subject: Re: [PATCH 06/13] firewire-sbp-target: Add sbp_fabric.{c,h} Message-ID: <20120213205332.09bc683f@stein> In-Reply-To: <337FFBD7-6B4A-41CA-BB57-6038C935B5BF@bootc.net> References: <4E4BD560.4010806@bootc.net> <1328989452-20921-1-git-send-email-bootc@bootc.net> <1328989452-20921-7-git-send-email-bootc@bootc.net> <1329138360.9333.399.camel@haakon2.linux-iscsi.org> <337FFBD7-6B4A-41CA-BB57-6038C935B5BF@bootc.net> X-Mailer: Claws Mail 3.7.10 (GTK+ 2.24.5; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 862 Lines: 19 On Feb 13 Chris Boot wrote: > I'd like to support ABORT_TASK and friends at some point. The problem > I see here though is that tags in SBP-2/3 are 48-bits wide (the ORB > address in the initiator node's memory), and the target framework seems > to use a u32 for this. SAM-3 Section 4.11 seems to say "A task tag is a > value that is composed of up to 64 bits" so it might be worth getting > that changed in the target framework? In practice, its is quite likely that only 32 bit wide SBP tags are being used. But there is no way to guarantee this. -- Stefan Richter -=====-===-- --=- -==-= http://arcgraph.de/sr/ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/