From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754884AbZCYGFh (ORCPT ); Wed, 25 Mar 2009 02:05:37 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752977AbZCYGFY (ORCPT ); Wed, 25 Mar 2009 02:05:24 -0400 Received: from smtp119.sbc.mail.sp1.yahoo.com ([69.147.64.92]:39874 "HELO smtp119.sbc.mail.sp1.yahoo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1752585AbZCYGFY (ORCPT ); Wed, 25 Mar 2009 02:05:24 -0400 X-YMail-OSG: Kv5EXeAVM1k9_7pnEJ7RWtTi1YZVVr8F2mTdaUKcx8xKbSNDsCp1bLEnZHP_BEXm2yhm5DYWUZIrgAWeRrP7J3__YvJ1C2Af0i4FywORm0W8uvDdI1P36NNkRYnAvzc5WbCzNg.Du1A3KnHW8WEG57f8PdKTPZgS97dH0NtSEtubsjKWrefkds9XIOkPh6pm6pqn_0E8zQmC4TATvupfKoyME6qkJBE- X-Yahoo-Newman-Property: ymail-3 Subject: [PATCH 0/2] [Target_Core_Mod]: Add support for UNIT_ATTENTION with SPC-3 PR From: "Nicholas A. Bellinger" To: LKML , linux-scsi Cc: James Bottomley , Douglas Gilbert , FUJITA Tomonori , Mike Christie , Hannes Reinecke , Boaz Harrosh , "Martin K. Petersen" Content-Type: text/plain Date: Tue, 24 Mar 2009 23:05:20 -0700 Message-Id: <1237961120.4138.416.camel@haakon2.linux-iscsi.org> Mime-Version: 1.0 X-Mailer: Evolution 2.22.3.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Greetings all, This patch adds support for SAM4/SPC4 compliant UNIT_ATTENTION with ua_intlck_ctrl control mode page value 00b, 10b and 11b. The default has been set to 0 in configfs, which is to clear the UNIT ATTENTION with a CHECK_CONDITION+Sense data with a corresponding ASC+ASCQ. Currently, Linux/SCSI midlayer clients require a manual sg_request to clear the UNIT ATTENTION with a REQUEST_SENSE for modes 10b and 11b. These values can be changed (without active $FABRIC_MOD target ports) for a given target_core_mod storage object with ConfigFS via /sys/kernel/config/target/core/$HBA/$DEV/attrib/emulated_ua_intlck_ctrl. The echoed values for the attribute into ConfigFS are 0, 1, and 2 respectively for the interlock codes 00b, 10b, and 11b. These patches are made against lio-core-2.6.git/master and tested on v2.6.29 x86 32-bit HVM using sg_persist from sg3_utils. The lio-core-2.6.git tree can be found at: http://git.kernel.org/?p=linux/kernel/git/nab/lio-core-2.6.git;a=summary Subject: [PATCH 1/2] [Target_Core_Mod]: Add support for UNIT_ATTENTION conditions Subject: [PATCH 2/2] [Target_Core_Mod/Persistent_Reservations]: Add UNIT ATTENTION support for PROUT SAs drivers/lio-core/Makefile | 1 + drivers/lio-core/target_core_base.h | 13 ++ drivers/lio-core/target_core_configfs.c | 4 + drivers/lio-core/target_core_device.c | 27 +++- drivers/lio-core/target_core_device.h | 1 + drivers/lio-core/target_core_pr.c | 107 +++++++++- drivers/lio-core/target_core_tpg.c | 10 + drivers/lio-core/target_core_transport.c | 127 ++++++++++-- drivers/lio-core/target_core_transport.h | 2 + drivers/lio-core/target_core_ua.c | 333 ++++++++++++++++++++++++++++++ drivers/lio-core/target_core_ua.h | 36 ++++ 11 files changed, 632 insertions(+), 29 deletions(-)