From patchwork Thu Jun 16 05:35:06 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nilesh Javali X-Patchwork-Id: 582541 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 52C93C433EF for ; Thu, 16 Jun 2022 05:35:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1358652AbiFPFfY (ORCPT ); Thu, 16 Jun 2022 01:35:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55310 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1349970AbiFPFfQ (ORCPT ); Thu, 16 Jun 2022 01:35:16 -0400 Received: from mx0b-0016f401.pphosted.com (mx0a-0016f401.pphosted.com [67.231.148.174]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F160159959 for ; Wed, 15 Jun 2022 22:35:14 -0700 (PDT) Received: from pps.filterd (m0045849.ppops.net [127.0.0.1]) by mx0a-0016f401.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 25FN9tAh014579 for ; Wed, 15 Jun 2022 22:35:14 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=pfpt0220; bh=CRvppUOeRenealKkA0y8gDydhwhBBlnonqVle9OjlCE=; b=jcDpFKG6WiNvgiM7WuX9poY6/JWnBGRvntNBgVKfTyigrQ0pYL4Z3nokm6GOYYblpTXf V9+cwUmJ4PLr1Z0KBrHFaVb7lQi65KSSKo9hMryiGSe6OmM0e3ZTYFwHj9iP8nVmPEcO v9n0t0yyAb3GmPaAZ8bDYqHTP/3hF2UFbxv7UMNnRjMvXhxXbpMY8EMxaymcYQ+m7ZGr PnbXxkuvWcCq3ZKL6oKNCyNtcWl/osREMvSscKfkvCYWCR2s2Kd42WRdJdc7dZKZdwFA /zuJmmPmXgaMjueR/34/WC2ZYhqkcOYmliZ39kW41KsxTmj6OnwhjQf4BWyZSr8Uw8Ub zg== Received: from dc5-exch01.marvell.com ([199.233.59.181]) by mx0a-0016f401.pphosted.com (PPS) with ESMTPS id 3gqruu977w-5 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT) for ; Wed, 15 Jun 2022 22:35:14 -0700 Received: from DC5-EXCH01.marvell.com (10.69.176.38) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 15 Jun 2022 22:35:13 -0700 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 15 Jun 2022 22:35:12 -0700 Received: from dut1171.mv.qlogic.com (unknown [10.112.88.18]) by maili.marvell.com (Postfix) with ESMTP id DAAD23F7073; Wed, 15 Jun 2022 22:35:12 -0700 (PDT) From: Nilesh Javali To: CC: , Subject: [PATCH v2 09/11] qla2xxx: Fix losing FCP-2 targets on long port disable with IOs Date: Wed, 15 Jun 2022 22:35:06 -0700 Message-ID: <20220616053508.27186-10-njavali@marvell.com> X-Mailer: git-send-email 2.12.0 In-Reply-To: <20220616053508.27186-1-njavali@marvell.com> References: <20220616053508.27186-1-njavali@marvell.com> MIME-Version: 1.0 X-Proofpoint-ORIG-GUID: VUFD6X-3aszpsTsLTBFo8T46N47wja1O X-Proofpoint-GUID: VUFD6X-3aszpsTsLTBFo8T46N47wja1O X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.874,Hydra:6.0.517,FMLib:17.11.64.514 definitions=2022-06-16_02,2022-06-15_01,2022-02-23_01 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org From: Arun Easi FCP-2 devices were not coming back online once it was lost, login retries exhausted and then came back up. Fix this by accepting RSCN when the device is not online. Fixes: 44c57f205876 ("scsi: qla2xxx: Changes to support FCP2 Target") Cc: stable@vger.kernel.org Signed-off-by: Arun Easi Signed-off-by: Nilesh Javali --- drivers/scsi/qla2xxx/qla_init.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 7860cf4319ef..41ffad65d29e 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -1832,7 +1832,8 @@ void qla2x00_handle_rscn(scsi_qla_host_t *vha, struct event_arg *ea) case RSCN_PORT_ADDR: fcport = qla2x00_find_fcport_by_nportid(vha, &ea->id, 1); if (fcport) { - if (fcport->flags & FCF_FCP2_DEVICE) { + if (fcport->flags & FCF_FCP2_DEVICE && + atomic_read(&fcport->state) == FCS_ONLINE) { ql_dbg(ql_dbg_disc, vha, 0x2115, "Delaying session delete for FCP2 portid=%06x %8phC ", fcport->d_id.b24, fcport->port_name); @@ -1864,7 +1865,8 @@ void qla2x00_handle_rscn(scsi_qla_host_t *vha, struct event_arg *ea) break; case RSCN_AREA_ADDR: list_for_each_entry(fcport, &vha->vp_fcports, list) { - if (fcport->flags & FCF_FCP2_DEVICE) + if (fcport->flags & FCF_FCP2_DEVICE && + atomic_read(&fcport->state) == FCS_ONLINE) continue; if ((ea->id.b24 & 0xffff00) == (fcport->d_id.b24 & 0xffff00)) { @@ -1875,7 +1877,8 @@ void qla2x00_handle_rscn(scsi_qla_host_t *vha, struct event_arg *ea) break; case RSCN_DOM_ADDR: list_for_each_entry(fcport, &vha->vp_fcports, list) { - if (fcport->flags & FCF_FCP2_DEVICE) + if (fcport->flags & FCF_FCP2_DEVICE && + atomic_read(&fcport->state) == FCS_ONLINE) continue; if ((ea->id.b24 & 0xff0000) == (fcport->d_id.b24 & 0xff0000)) { @@ -1887,7 +1890,8 @@ void qla2x00_handle_rscn(scsi_qla_host_t *vha, struct event_arg *ea) case RSCN_FAB_ADDR: default: list_for_each_entry(fcport, &vha->vp_fcports, list) { - if (fcport->flags & FCF_FCP2_DEVICE) + if (fcport->flags & FCF_FCP2_DEVICE && + atomic_read(&fcport->state) == FCS_ONLINE) continue; fcport->scan_needed = 1;