From patchwork Tue Oct 26 11:54:02 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nilesh Javali X-Patchwork-Id: 12584725 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0E5D4C433EF for ; Tue, 26 Oct 2021 11:54:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E58E460F9B for ; Tue, 26 Oct 2021 11:54:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235626AbhJZL5E (ORCPT ); Tue, 26 Oct 2021 07:57:04 -0400 Received: from mx0a-0016f401.pphosted.com ([67.231.148.174]:9812 "EHLO mx0b-0016f401.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S233493AbhJZL45 (ORCPT ); Tue, 26 Oct 2021 07:56:57 -0400 Received: from pps.filterd (m0045849.ppops.net [127.0.0.1]) by mx0a-0016f401.pphosted.com (8.16.1.2/8.16.1.2) with SMTP id 19QAMn6W014732 for ; Tue, 26 Oct 2021 04:54:33 -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=x7vREh8h1W5K/+mcNiM/8ajD3pH2jqIftHwU3JNqtjg=; b=kGYmm4eWVoiLbaULn0MMH9WF/EubPU5sIGUQ+Ek21IWF7ye+kCQmt1+IvjsTM9J9EUQk SC36+8g6sRbsahymty5zHS9XcYUin2baBar+IS6/8JOHqhcMHva2tdGfynN6Ik1v7wRC 95fybZf0bmnlUYZbispns1UGGqt9uotEjNpkwJlPluy8aMQUWIxUE9RXaQ8VWJ+VF6co wjXWx9V7iSrQe1PQa8s5WXqR2C5t8Sh3e7kkDffGrimHjq3bxKZqcDDCM8/MMViLi2V2 icibfw7NM1QF8cooVXsnCSGcMOJiNE6Ene6myT3cO5godSCCxcm4I0HCJo7cG9xoGBya Fg== Received: from dc5-exch02.marvell.com ([199.233.59.182]) by mx0a-0016f401.pphosted.com with ESMTP id 3bxfv8gc0f-5 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT) for ; Tue, 26 Oct 2021 04:54:32 -0700 Received: from DC5-EXCH02.marvell.com (10.69.176.39) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server (TLS) id 15.0.1497.18; Tue, 26 Oct 2021 04:54:31 -0700 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server id 15.0.1497.18 via Frontend Transport; Tue, 26 Oct 2021 04:54:31 -0700 Received: from dut1171.mv.qlogic.com (unknown [10.112.88.18]) by maili.marvell.com (Postfix) with ESMTP id F02503F7082; Tue, 26 Oct 2021 04:54:30 -0700 (PDT) Received: from dut1171.mv.qlogic.com (localhost [127.0.0.1]) by dut1171.mv.qlogic.com (8.14.7/8.14.7) with ESMTP id 19QBsUIB027747; Tue, 26 Oct 2021 04:54:30 -0700 Received: (from root@localhost) by dut1171.mv.qlogic.com (8.14.7/8.14.7/Submit) id 19QBsUn5027746; Tue, 26 Oct 2021 04:54:30 -0700 From: Nilesh Javali To: CC: , Subject: [PATCH v3 03/13] qla2xxx: turn off target reset during issue_lip Date: Tue, 26 Oct 2021 04:54:02 -0700 Message-ID: <20211026115412.27691-4-njavali@marvell.com> X-Mailer: git-send-email 2.12.0 In-Reply-To: <20211026115412.27691-1-njavali@marvell.com> References: <20211026115412.27691-1-njavali@marvell.com> MIME-Version: 1.0 X-Proofpoint-GUID: lUJu3C-QW0YrRujkb1xrIrZR0fCY4-wT X-Proofpoint-ORIG-GUID: lUJu3C-QW0YrRujkb1xrIrZR0fCY4-wT X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.182.1,Aquarius:18.0.790,Hydra:6.0.425,FMLib:17.0.607.475 definitions=2021-10-26_02,2021-10-26_01,2020-04-07_01 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org From: Quinn Tran When user use issue_lip to do link bounce, driver sends additional target reset to remote device before resetting the link. The target reset would affect other paths with active IOs. This patch will remove the unnecessary target reset. Fixes: 5854771e314e ("[SCSI] qla2xxx: Add ISPFX00 specific bus reset routine") Signed-off-by: Quinn Tran Signed-off-by: Nilesh Javali Reviewed-by: Himanshu Madhani --- drivers/scsi/qla2xxx/qla_gbl.h | 2 -- drivers/scsi/qla2xxx/qla_mr.c | 23 ----------------------- drivers/scsi/qla2xxx/qla_os.c | 27 ++------------------------- 3 files changed, 2 insertions(+), 50 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h index 8aadcdeca6cb..8faaa0ec595d 100644 --- a/drivers/scsi/qla2xxx/qla_gbl.h +++ b/drivers/scsi/qla2xxx/qla_gbl.h @@ -171,7 +171,6 @@ extern int ql2xasynctmfenable; extern int ql2xgffidenable; extern int ql2xenabledif; extern int ql2xenablehba_err_chk; -extern int ql2xtargetreset; extern int ql2xdontresethba; extern uint64_t ql2xmaxlun; extern int ql2xmdcapmask; @@ -820,7 +819,6 @@ extern void qlafx00_abort_iocb(srb_t *, struct abort_iocb_entry_fx00 *); extern void qlafx00_fxdisc_iocb(srb_t *, struct fxdisc_entry_fx00 *); extern void qlafx00_timer_routine(scsi_qla_host_t *); extern int qlafx00_rescan_isp(scsi_qla_host_t *); -extern int qlafx00_loop_reset(scsi_qla_host_t *vha); /* qla82xx related functions */ diff --git a/drivers/scsi/qla2xxx/qla_mr.c b/drivers/scsi/qla2xxx/qla_mr.c index 6e920da64863..350b0c4346fb 100644 --- a/drivers/scsi/qla2xxx/qla_mr.c +++ b/drivers/scsi/qla2xxx/qla_mr.c @@ -738,29 +738,6 @@ qlafx00_lun_reset(fc_port_t *fcport, uint64_t l, int tag) return qla2x00_async_tm_cmd(fcport, TCF_LUN_RESET, l, tag); } -int -qlafx00_loop_reset(scsi_qla_host_t *vha) -{ - int ret; - struct fc_port *fcport; - struct qla_hw_data *ha = vha->hw; - - if (ql2xtargetreset) { - list_for_each_entry(fcport, &vha->vp_fcports, list) { - if (fcport->port_type != FCT_TARGET) - continue; - - ret = ha->isp_ops->target_reset(fcport, 0, 0); - if (ret != QLA_SUCCESS) { - ql_dbg(ql_dbg_taskm, vha, 0x803d, - "Bus Reset failed: Reset=%d " - "d_id=%x.\n", ret, fcport->d_id.b24); - } - } - } - return QLA_SUCCESS; -} - int qlafx00_iospace_config(struct qla_hw_data *ha) { diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 03ff2596715b..3fca6b8bb23f 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -202,12 +202,6 @@ MODULE_PARM_DESC(ql2xdbwr, " 0 -- Regular doorbell.\n" " 1 -- CAMRAM doorbell (faster).\n"); -int ql2xtargetreset = 1; -module_param(ql2xtargetreset, int, S_IRUGO); -MODULE_PARM_DESC(ql2xtargetreset, - "Enable target reset." - "Default is 1 - use hw defaults."); - int ql2xgffidenable; module_param(ql2xgffidenable, int, S_IRUGO); MODULE_PARM_DESC(ql2xgffidenable, @@ -1695,27 +1689,10 @@ int qla2x00_loop_reset(scsi_qla_host_t *vha) { int ret; - struct fc_port *fcport; struct qla_hw_data *ha = vha->hw; - if (IS_QLAFX00(ha)) { - return qlafx00_loop_reset(vha); - } - - if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) { - list_for_each_entry(fcport, &vha->vp_fcports, list) { - if (fcport->port_type != FCT_TARGET) - continue; - - ret = ha->isp_ops->target_reset(fcport, 0, 0); - if (ret != QLA_SUCCESS) { - ql_dbg(ql_dbg_taskm, vha, 0x802c, - "Bus Reset failed: Reset=%d " - "d_id=%x.\n", ret, fcport->d_id.b24); - } - } - } - + if (IS_QLAFX00(ha)) + return QLA_SUCCESS; if (ha->flags.enable_lip_full_login && !IS_CNA_CAPABLE(ha)) { atomic_set(&vha->loop_state, LOOP_DOWN);