From patchwork Thu Jan 14 20:31:28 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tyrel Datwyler X-Patchwork-Id: 364252 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=unavailable 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 B0CBFC433DB for ; Thu, 14 Jan 2021 20:34:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7670223A6C for ; Thu, 14 Jan 2021 20:34:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727346AbhANUcm (ORCPT ); Thu, 14 Jan 2021 15:32:42 -0500 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:59024 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726066AbhANUcl (ORCPT ); Thu, 14 Jan 2021 15:32:41 -0500 Received: from pps.filterd (m0098420.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 10EKVe2b081769; Thu, 14 Jan 2021 15:31:53 -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=Ml8kfxsPhwNXqasmcOZfmEsQBI6122H+O2Q5MbHy7Hk=; b=V39VVUp6TPglLtq0ZAznOvkH4qqbUHcR+fYEDZQtq7u7Rz77rmhboBl1FdLzsER1N/2j D4DmGxglpggJk3XsOl/sZgUICgf4FXFI0EudxxujHMfmXbzNuuumsrH0qjQd1ugw8fxO JmFuWcBDfk3Z1r5rehUlMK+2i7HF67LsIVopooh9a+s7jY12rnF2/uVpbVOGxlIS2Njl yCDQhdDDfhNDXN0Y2X257YE8tg0e3G42syVFx340WAdKUGu5ljSYF1ULeUWdXlRfqCHn Fw7ds+TAAlx2X5gP1otUNsP1E9tEYQ/VTBuXNMqWVScvQ1ydE0LWklkN5eXVntMbmyvG LA== Received: from ppma04dal.us.ibm.com (7a.29.35a9.ip4.static.sl-reverse.com [169.53.41.122]) by mx0b-001b2d01.pphosted.com with ESMTP id 362vcvh1fv-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 14 Jan 2021 15:31:53 -0500 Received: from pps.filterd (ppma04dal.us.ibm.com [127.0.0.1]) by ppma04dal.us.ibm.com (8.16.0.42/8.16.0.42) with SMTP id 10EKSkTN012299; Thu, 14 Jan 2021 20:31:52 GMT Received: from b03cxnp08028.gho.boulder.ibm.com (b03cxnp08028.gho.boulder.ibm.com [9.17.130.20]) by ppma04dal.us.ibm.com with ESMTP id 35y449ss3p-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 14 Jan 2021 20:31:52 +0000 Received: from b03ledav001.gho.boulder.ibm.com (b03ledav001.gho.boulder.ibm.com [9.17.130.232]) by b03cxnp08028.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 10EKVoMq33227176 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 14 Jan 2021 20:31:50 GMT Received: from b03ledav001.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id B7A6A6E04E; Thu, 14 Jan 2021 20:31:50 +0000 (GMT) Received: from b03ledav001.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 651796E04C; Thu, 14 Jan 2021 20:31:50 +0000 (GMT) Received: from vios4361.aus.stglabs.ibm.com (unknown [9.3.43.61]) by b03ledav001.gho.boulder.ibm.com (Postfix) with ESMTP; Thu, 14 Jan 2021 20:31:50 +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 v5 01/21] ibmvfc: add vhost fields and defaults for MQ enablement Date: Thu, 14 Jan 2021 14:31:28 -0600 Message-Id: <20210114203148.246656-2-tyreld@linux.ibm.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210114203148.246656-1-tyreld@linux.ibm.com> References: <20210114203148.246656-1-tyreld@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.343, 18.0.737 definitions=2021-01-14_07:2021-01-14,2021-01-14 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 bulkscore=0 lowpriorityscore=0 clxscore=1015 phishscore=0 adultscore=0 mlxlogscore=999 spamscore=0 impostorscore=0 mlxscore=0 priorityscore=1501 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2101140115 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org 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 Reviewed-by: Brian King --- drivers/scsi/ibmvscsi/ibmvfc.c | 8 ++++++++ drivers/scsi/ibmvscsi/ibmvfc.h | 9 +++++++++ 2 files changed, 17 insertions(+) diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c index ba95438a8912..9200fe49c57e 100644 --- a/drivers/scsi/ibmvscsi/ibmvfc.c +++ b/drivers/scsi/ibmvscsi/ibmvfc.c @@ -3302,6 +3302,7 @@ static struct scsi_host_template driver_template = { .max_sectors = IBMVFC_MAX_SECTORS, .shost_attrs = ibmvfc_attrs, .track_queue_depth = 1, + .host_tagset = 1, }; /** @@ -5290,6 +5291,7 @@ static int ibmvfc_probe(struct vio_dev *vdev, const struct vio_device_id *id) 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_MQ ? IBMVFC_SCSI_HW_QUEUES : 1; vhost = shost_priv(shost); INIT_LIST_HEAD(&vhost->targets); @@ -5300,6 +5302,12 @@ 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 632e977449c5..dd6d89292867 100644 --- a/drivers/scsi/ibmvscsi/ibmvfc.h +++ b/drivers/scsi/ibmvscsi/ibmvfc.h @@ -41,6 +41,11 @@ #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: @@ -840,6 +845,10 @@ 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