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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 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 Content-Transfer-Encoding: 8bit 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 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Tyrel Datwyler , martin.petersen@oracle.com, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, Brian King , brking@linux.ibm.com, linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" 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 */ -- 2.27.0