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Wed, 2 Dec 2020 15:14:04 +0000 (GMT) Subject: Re: [PATCH v2 01/17] ibmvfc: add vhost fields and defaults for MQ enablement To: Tyrel Datwyler , james.bottomley@hansenpartnership.com References: <20201202005329.4538-1-tyreld@linux.ibm.com> <20201202005329.4538-2-tyreld@linux.ibm.com> From: Brian King Message-ID: Date: Wed, 2 Dec 2020 09:14:03 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.4.0 MIME-Version: 1.0 In-Reply-To: <20201202005329.4538-2-tyreld@linux.ibm.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit 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_08:2020-11-30, 2020-12-02 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 bulkscore=0 mlxscore=0 lowpriorityscore=0 adultscore=0 impostorscore=0 priorityscore=1501 malwarescore=0 suspectscore=0 mlxlogscore=999 phishscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2012020089 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: brking@linux.ibm.com, linuxppc-dev@lists.ozlabs.org, linux-scsi@vger.kernel.org, martin.petersen@oracle.com, linux-kernel@vger.kernel.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On 12/1/20 6:53 PM, Tyrel Datwyler wrote: > Introduce several new vhost fields for managing MQ state of the adapter > as well as initial defaults for MQ enablement. > > Signed-off-by: Tyrel Datwyler > --- > drivers/scsi/ibmvscsi/ibmvfc.c | 9 ++++++++- > drivers/scsi/ibmvscsi/ibmvfc.h | 13 +++++++++++-- > 2 files changed, 19 insertions(+), 3 deletions(-) > > diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c > index 42e4d35e0d35..f1d677a7423d 100644 > --- a/drivers/scsi/ibmvscsi/ibmvfc.c > +++ b/drivers/scsi/ibmvscsi/ibmvfc.c > @@ -5161,12 +5161,13 @@ static int ibmvfc_probe(struct vio_dev *vdev, const struct vio_device_id *id) > } > > shost->transportt = ibmvfc_transport_template; > - shost->can_queue = max_requests; > + shost->can_queue = (max_requests / IBMVFC_SCSI_HW_QUEUES); This doesn't look right. can_queue is the SCSI host queue depth, not the MQ queue depth. > shost->max_lun = max_lun; > shost->max_id = max_targets; > shost->max_sectors = IBMVFC_MAX_SECTORS; > shost->max_cmd_len = IBMVFC_MAX_CDB_LEN; > shost->unique_id = shost->host_no; > + shost->nr_hw_queues = IBMVFC_SCSI_HW_QUEUES; > > vhost = shost_priv(shost); > INIT_LIST_HEAD(&vhost->sent); -- Brian King Power Linux I/O IBM Linux Technology Center