From mboxrd@z Thu Jan 1 00:00:00 1970 From: Clemens Ladisch Subject: Re: FireWire/SBP2 Target mode Date: Mon, 06 Feb 2012 15:43:17 +0100 Message-ID: <4F2FE705.3070509@ladisch.de> References: <4E4BD560.4010806@bootc.net> <4E4D3B88.30003@ladisch.de> <4F29978A.3010707@redhat.com> <20120201224156.0773ebc6@stein> <4F2A55B9.4040005@panasas.com> <4F2A60DC.9030007@ladisch.de> <4F2FD1F4.9050702@bootc.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Return-path: Received: from out5-smtp.messagingengine.com ([66.111.4.29]:40554 "EHLO out5-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753992Ab2BFOlK (ORCPT ); Mon, 6 Feb 2012 09:41:10 -0500 Received: from compute6.internal (compute6.nyi.mail.srv.osa [10.202.2.46]) by gateway1.nyi.mail.srv.osa (Postfix) with ESMTP id 5862B20589 for ; Mon, 6 Feb 2012 09:41:09 -0500 (EST) In-Reply-To: <4F2FD1F4.9050702@bootc.net> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Chris Boot Cc: target-devel@vger.kernel.org, linux1394-devel@lists.sourceforge.net, Boaz Harrosh , Stefan Richter , Andy Grover , linux-scsi@vger.kernel.org, lkml Chris Boot wrote: > You can pull the code from: > git://github.com/bootc/Linux-SBP-2-Target.git The TODO file says: > * Update Juju so we can get the speed in the fw_address_handler callback What is the speed needed for? SBP-2 says: | The target shall issue data transfer requests with a speed equal to | that specified by the spd field in the ORB. SBP-3 says: | The target shall issue data transfer requests with a speed equal to | that specified by the controlling spd field, whether in the ORB or in | a node selector in an associated page table. > Please note that you can't then disable a unit until all the targets > are logged-out. For Linux this usually means 'rmmod firewire_sbp2'. That driver should not, by default, log into targets on its own node. Regards, Clemens