From patchwork Wed Sep 8 07:28:43 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nilesh Javali X-Patchwork-Id: 508200 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6525AC433EF for ; Wed, 8 Sep 2021 07:30:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5117961164 for ; Wed, 8 Sep 2021 07:30:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1347608AbhIHHbr (ORCPT ); Wed, 8 Sep 2021 03:31:47 -0400 Received: from mx0b-0016f401.pphosted.com ([67.231.156.173]:29552 "EHLO mx0b-0016f401.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1350480AbhIHHbf (ORCPT ); Wed, 8 Sep 2021 03:31:35 -0400 Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.16.1.2/8.16.1.2) with SMTP id 1883JW4d018275; Wed, 8 Sep 2021 00:30:22 -0700 Received: from dc5-exch01.marvell.com ([199.233.59.181]) by mx0b-0016f401.pphosted.com with ESMTP id 3axcmjaeaw-4 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Wed, 08 Sep 2021 00:30:22 -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 15.0.1497.18; Wed, 8 Sep 2021 00:30:20 -0700 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server id 15.0.1497.18 via Frontend Transport; Wed, 8 Sep 2021 00:30:20 -0700 Received: from dut1171.mv.qlogic.com (unknown [10.112.88.18]) by maili.marvell.com (Postfix) with ESMTP id E5BA23F70AA; Wed, 8 Sep 2021 00:30:19 -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 1887UKL7010146; Wed, 8 Sep 2021 00:30:20 -0700 Received: (from root@localhost) by dut1171.mv.qlogic.com (8.14.7/8.14.7/Submit) id 1887UJpu010145; Wed, 8 Sep 2021 00:30:19 -0700 From: Nilesh Javali To: , CC: , , , Subject: [PATCH 07/10] qla2xxx: Call process_response_queue() in Tx path Date: Wed, 8 Sep 2021 00:28:43 -0700 Message-ID: <20210908072846.10011-8-njavali@marvell.com> X-Mailer: git-send-email 2.12.0 In-Reply-To: <20210908072846.10011-1-njavali@marvell.com> References: <20210908072846.10011-1-njavali@marvell.com> MIME-Version: 1.0 X-Proofpoint-GUID: zwtuFymYDiFppdcFBUWX14zX-o4Ls3SI X-Proofpoint-ORIG-GUID: zwtuFymYDiFppdcFBUWX14zX-o4Ls3SI X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.182.1, Aquarius:18.0.790, Hydra:6.0.391, FMLib:17.0.607.475 definitions=2021-09-08_02,2021-09-07_02,2020-04-07_01 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org From: Shreyas Deodhar Process responses in Tx path if any available for better performance. Signed-off-by: Shreyas Deodhar Signed-off-by: Nilesh Javali --- drivers/scsi/qla2xxx/qla_nvme.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/scsi/qla2xxx/qla_nvme.c b/drivers/scsi/qla2xxx/qla_nvme.c index 877b2b625020..0ae1e081cb03 100644 --- a/drivers/scsi/qla2xxx/qla_nvme.c +++ b/drivers/scsi/qla2xxx/qla_nvme.c @@ -399,6 +399,7 @@ static inline int qla2x00_start_nvme_mq(srb_t *sp) uint16_t avail_dsds; struct dsd64 *cur_dsd; struct req_que *req = NULL; + struct rsp_que *rsp = NULL; struct scsi_qla_host *vha = sp->fcport->vha; struct qla_hw_data *ha = vha->hw; struct qla_qpair *qpair = sp->qpair; @@ -410,6 +411,7 @@ static inline int qla2x00_start_nvme_mq(srb_t *sp) /* Setup qpair pointers */ req = qpair->req; + rsp = qpair->rsp; tot_dsds = fd->sg_cnt; /* Acquire qpair specific lock */ @@ -571,6 +573,10 @@ static inline int qla2x00_start_nvme_mq(srb_t *sp) /* Set chip new ring index. */ wrt_reg_dword(req->req_q_in, req->ring_index); + if (vha->flags.process_response_queue && + rsp->ring_ptr->signature != RESPONSE_PROCESSED) + qla24xx_process_response_queue(vha, rsp); + queuing_error: spin_unlock_irqrestore(&qpair->qp_lock, flags);