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Wed, 2 Dec 2020 00:53:31 +0000 (GMT) Received: from vios4361.aus.stglabs.ibm.com (unknown [9.3.43.61]) by b03ledav004.gho.boulder.ibm.com (Postfix) with ESMTP; Wed, 2 Dec 2020 00:53:31 +0000 (GMT) From: Tyrel Datwyler To: james.bottomley@hansenpartnership.com Subject: [PATCH v2 01/17] ibmvfc: add vhost fields and defaults for MQ enablement Date: Tue, 1 Dec 2020 18:53:13 -0600 Message-Id: <20201202005329.4538-2-tyreld@linux.ibm.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20201202005329.4538-1-tyreld@linux.ibm.com> References: <20201202005329.4538-1-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=2020-12-01_12:2020-11-30, 2020-12-01 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 impostorscore=0 lowpriorityscore=0 phishscore=0 mlxlogscore=999 clxscore=1015 mlxscore=0 malwarescore=0 spamscore=0 bulkscore=0 adultscore=0 suspectscore=1 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2012010142 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, 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" 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); 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); @@ -5178,6 +5179,12 @@ static int ibmvfc_probe(struct vio_dev *vdev, const struct vio_device_id *id) vhost->partition_number = -1; vhost->log_level = log_level; vhost->task_set = 1; + + vhost->mq_enabled = IBMVFC_MQ; + vhost->client_scsi_channels = IBMVFC_SCSI_CHANNELS; + vhost->using_channels = 0; + vhost->do_enquiry = 1; + strcpy(vhost->partition_name, "UNKNOWN"); init_waitqueue_head(&vhost->work_wait_q); init_waitqueue_head(&vhost->init_wait_q); diff --git a/drivers/scsi/ibmvscsi/ibmvfc.h b/drivers/scsi/ibmvscsi/ibmvfc.h index 9d58cfd774d3..e095daada70e 100644 --- a/drivers/scsi/ibmvscsi/ibmvfc.h +++ b/drivers/scsi/ibmvscsi/ibmvfc.h @@ -41,16 +41,21 @@ #define IBMVFC_DEFAULT_LOG_LEVEL 2 #define IBMVFC_MAX_CDB_LEN 16 #define IBMVFC_CLS3_ERROR 0 +#define IBMVFC_MQ 0 +#define IBMVFC_SCSI_CHANNELS 0 +#define IBMVFC_SCSI_HW_QUEUES 1 +#define IBMVFC_MIG_NO_SUB_TO_CRQ 0 +#define IBMVFC_MIG_NO_N_TO_M 0 /* * Ensure we have resources for ERP and initialization: - * 1 for ERP * 1 for initialization * 1 for NPIV Logout * 2 for BSG passthru * 2 for each discovery thread + * 1 ERP for each possible HW Queue */ -#define IBMVFC_NUM_INTERNAL_REQ (1 + 1 + 1 + 2 + (disc_threads * 2)) +#define IBMVFC_NUM_INTERNAL_REQ (1 + 1 + 2 + (disc_threads * 2) + IBMVFC_SCSI_HW_QUEUES) #define IBMVFC_MAD_SUCCESS 0x00 #define IBMVFC_MAD_NOT_SUPPORTED 0xF1 @@ -826,6 +831,10 @@ struct ibmvfc_host { int delay_init; int scan_complete; int logged_in; + int mq_enabled; + int using_channels; + int do_enquiry; + int client_scsi_channels; int aborting_passthru; int events_to_log; #define IBMVFC_AE_LINKUP 0x0001 -- 2.27.0