Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751485AbaANIvh (ORCPT ); Tue, 14 Jan 2014 03:51:37 -0500 Received: from mail.linux-iscsi.org ([67.23.28.174]:49136 "EHLO linux-iscsi.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750949AbaANIvg (ORCPT ); Tue, 14 Jan 2014 03:51:36 -0500 Message-ID: <1389689607.5567.525.camel@haakon3.risingtidesystems.com> Subject: Re: [PATCH 02/14] target: Add DIF CHECK_CONDITION ASC/ASCQ exception cases From: "Nicholas A. Bellinger" To: Sagi Grimberg Cc: target-devel , linux-scsi , linux-kernel , "Martin K. Petersen" , Christoph Hellwig , Hannes Reinecke , Or Gerlitz Date: Tue, 14 Jan 2014 00:53:27 -0800 In-Reply-To: <52D4EADC.60300@dev.mellanox.co.il> References: <1389212157-14540-1-git-send-email-nab@daterainc.com> <1389212157-14540-3-git-send-email-nab@daterainc.com> <52CE7D3F.7030308@mellanox.com> <1389336816.5567.404.camel@haakon3.risingtidesystems.com> <52D4EADC.60300@dev.mellanox.co.il> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.4.4-1 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 2014-01-14 at 09:44 +0200, Sagi Grimberg wrote: > On 1/10/2014 8:53 AM, Nicholas A. Bellinger wrote: > > On Thu, 2014-01-09 at 12:43 +0200, Sagi Grimberg wrote: > >> On 1/8/2014 10:36 PM, Nicholas A. Bellinger wrote: > >>> From: Nicholas Bellinger > >>> > >>> This patch adds support for DIF related CHECK_CONDITION ASC/ASCQ > >>> exception cases into transport_send_check_condition_and_sense(). > >>> > >>> This includes: > >>> > >>> LOGICAL BLOCK GUARD CHECK FAILED > >>> LOGICAL BLOCK APPLICATION TAG CHECK FAILED > >>> LOGICAL BLOCK REFERENCE TAG CHECK FAILED > >>> > >>> that used by DIF TYPE1 and TYPE3 failure cases. > >>> > >>> Cc: Martin K. Petersen > >>> Cc: Christoph Hellwig > >>> Cc: Hannes Reinecke > >>> Cc: Sagi Grimberg > >>> Cc: Or Gerlitz > >>> Signed-off-by: Nicholas Bellinger > >>> --- > >>> drivers/target/target_core_transport.c | 30 ++++++++++++++++++++++++++++++ > >>> include/target/target_core_base.h | 3 +++ > >>> 2 files changed, 33 insertions(+) > >>> > >>> diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c > >>> index 91953da..707ee17 100644 > >>> --- a/drivers/target/target_core_transport.c > >>> +++ b/drivers/target/target_core_transport.c > >>> @@ -2648,6 +2648,36 @@ transport_send_check_condition_and_sense(struct se_cmd *cmd, > >>> buffer[SPC_ASC_KEY_OFFSET] = 0x1d; > >>> buffer[SPC_ASCQ_KEY_OFFSET] = 0x00; > >>> break; > >>> + case TCM_LOGICAL_BLOCK_GUARD_CHECK_FAILED: > >>> + /* CURRENT ERROR */ > >>> + buffer[0] = 0x70; > >>> + buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10; > >>> + /* ILLEGAL REQUEST */ > >>> + buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST; > >>> + /* LOGICAL BLOCK GUARD CHECK FAILED */ > >>> + buffer[SPC_ASC_KEY_OFFSET] = 0x10; > >>> + buffer[SPC_ASCQ_KEY_OFFSET] = 0x01; > >> > > Hey Nic, > > In my iSER patches I constructed the same sense buffer (call > isert_pi_err_sense_buffer) and called isert_put_rsponse. So I should > call this routine instead correct? Yes, it should be OK to use this for generating CHECK_CONDITION from fabric protection failures in isert_completion_rdma_write() code after device->unreg_rdma_mem() has been called. --nab -- 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/