From patchwork Thu Dec 3 02:07:59 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tyrel Datwyler X-Patchwork-Id: 11947497 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,DKIM_SIGNED, DKIM_VALID,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 909F8C64E7C for ; Thu, 3 Dec 2020 02:09:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 49804221EB for ; Thu, 3 Dec 2020 02:09:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729508AbgLCCJF (ORCPT ); Wed, 2 Dec 2020 21:09:05 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:1494 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729492AbgLCCJE (ORCPT ); Wed, 2 Dec 2020 21:09:04 -0500 Received: from pps.filterd (m0098393.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 0B323DPa075533; Wed, 2 Dec 2020 21:08:20 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=pp1; bh=z6egoUa+qQtR2sJZG4f7jZZtFPKGyk8whFHKiL+TM4A=; b=oI/zXjAnq4UVGk1keO5jQrDRJWRD1Xj102FY2HvmKS0u/GLdnOlv5cuNhYnd0fUfACte 5XQfcgkJ8vwiBv6MNVH07fxc51HjS+LHz4M4M+qDL1n1JlUafh7FiO0UlxoAB1EHTL// PIiGvD71HLEux1UIFRAuz15nJQGRHlsfraL6q/y6mUqC/tGCeRfnoEhjxZt0h6q+XROu aW6DuMCYg8wx0vRvVcrgw6M1bdCJGtFVM2kZlD+21HYGZ96FTFqJdLVyt6e3GPwy4Rbr d0OS10NfT2sPbqzBCLMfEZI4tAoQGE3AeMZXfYc38gRPGuzDkIpK/UOwCXXb1zn+D5Tn pA== Received: from ppma01dal.us.ibm.com (83.d6.3fa9.ip4.static.sl-reverse.com [169.63.214.131]) by mx0a-001b2d01.pphosted.com with ESMTP id 356jdgexa6-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 02 Dec 2020 21:08:19 -0500 Received: from pps.filterd (ppma01dal.us.ibm.com [127.0.0.1]) by ppma01dal.us.ibm.com (8.16.0.42/8.16.0.42) with SMTP id 0B327VCg010528; Thu, 3 Dec 2020 02:08:18 GMT Received: from b03cxnp08028.gho.boulder.ibm.com (b03cxnp08028.gho.boulder.ibm.com [9.17.130.20]) by ppma01dal.us.ibm.com with ESMTP id 355rf7pxaq-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 03 Dec 2020 02:08:18 +0000 Received: from b03ledav004.gho.boulder.ibm.com (b03ledav004.gho.boulder.ibm.com [9.17.130.235]) by b03cxnp08028.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 0B328G2g11338322 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 3 Dec 2020 02:08:17 GMT Received: from b03ledav004.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id DB90C78066; Thu, 3 Dec 2020 02:08:16 +0000 (GMT) Received: from b03ledav004.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 4F83C78064; Thu, 3 Dec 2020 02:08:16 +0000 (GMT) Received: from vios4361.aus.stglabs.ibm.com (unknown [9.3.43.61]) by b03ledav004.gho.boulder.ibm.com (Postfix) with ESMTP; Thu, 3 Dec 2020 02:08:16 +0000 (GMT) From: Tyrel Datwyler To: james.bottomley@hansenpartnership.com Cc: martin.petersen@oracle.com, linux-scsi@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, brking@linux.ibm.com, Tyrel Datwyler , Brian King Subject: [PATCH v3 11/18] ibmvfc: set and track hw queue in ibmvfc_event struct Date: Wed, 2 Dec 2020 20:07:59 -0600 Message-Id: <20201203020806.14747-12-tyreld@linux.ibm.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20201203020806.14747-1-tyreld@linux.ibm.com> References: <20201203020806.14747-1-tyreld@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.312,18.0.737 definitions=2020-12-02_14:2020-11-30,2020-12-02 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 impostorscore=0 phishscore=0 clxscore=1015 suspectscore=1 mlxscore=0 priorityscore=1501 lowpriorityscore=0 bulkscore=0 mlxlogscore=999 spamscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2012030009 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Extract the hwq id from a SCSI command and store it in the ibmvfc_event structure to identify which Sub-CRQ to send the command down when channels are being utilized. Signed-off-by: Tyrel Datwyler Reviewed-by: Brian King --- drivers/scsi/ibmvscsi/ibmvfc.c | 5 +++++ drivers/scsi/ibmvscsi/ibmvfc.h | 1 + 2 files changed, 6 insertions(+) diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c index 0eb91ac86d96..b51ae17883b7 100644 --- a/drivers/scsi/ibmvscsi/ibmvfc.c +++ b/drivers/scsi/ibmvscsi/ibmvfc.c @@ -1397,6 +1397,7 @@ static void ibmvfc_init_event(struct ibmvfc_event *evt, evt->crq.format = format; evt->done = done; evt->eh_comp = NULL; + evt->hwq = 0; } /** @@ -1748,6 +1749,8 @@ static int ibmvfc_queuecommand_lck(struct scsi_cmnd *cmnd, struct ibmvfc_cmd *vfc_cmd; struct ibmvfc_fcp_cmd_iu *iu; struct ibmvfc_event *evt; + u32 tag_and_hwq = blk_mq_unique_tag(cmnd->request); + u16 hwq = blk_mq_unique_tag_to_hwq(tag_and_hwq); int rc; if (unlikely((rc = fc_remote_port_chkready(rport))) || @@ -1775,6 +1778,8 @@ static int ibmvfc_queuecommand_lck(struct scsi_cmnd *cmnd, } vfc_cmd->correlation = cpu_to_be64(evt); + if (vhost->using_channels) + evt->hwq = hwq % vhost->scsi_scrqs.active_queues; if (likely(!(rc = ibmvfc_map_sg_data(cmnd, evt, vfc_cmd, vhost->dev)))) return ibmvfc_send_event(evt, vhost, 0); diff --git a/drivers/scsi/ibmvscsi/ibmvfc.h b/drivers/scsi/ibmvscsi/ibmvfc.h index dff26dbd912c..e0ffb0416223 100644 --- a/drivers/scsi/ibmvscsi/ibmvfc.h +++ b/drivers/scsi/ibmvscsi/ibmvfc.h @@ -781,6 +781,7 @@ struct ibmvfc_event { struct completion comp; struct completion *eh_comp; struct timer_list timer; + u16 hwq; }; /* a pool of event structs for use */