From patchwork Wed Sep 13 23:04:55 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tyrel Datwyler X-Patchwork-Id: 722993 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0A23CEE0213 for ; Wed, 13 Sep 2023 23:31:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233232AbjIMXbJ (ORCPT ); Wed, 13 Sep 2023 19:31:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50656 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233189AbjIMXbA (ORCPT ); Wed, 13 Sep 2023 19:31:00 -0400 Received: from mx0b-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EBC21E6 for ; Wed, 13 Sep 2023 16:30:56 -0700 (PDT) Received: from pps.filterd (m0360072.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 38DNCmIg003073; Wed, 13 Sep 2023 23:30:54 GMT 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=sAIQzkw/kB4NfEtnFxVZJx1xHjRJophkcktwVasGzOs=; b=gVXiixbGTMdHSrc8uzam8WWvag90355enGEuWp2g5JdEvkdBNF1lJ1S73H32vNvPS7I3 lKnT/MzUZReR+Izq/YGiaLb5qGZBwHSNj3k7yxz9r+EqtrpgHuIFtJPvBE+KVHVSepw6 p8SiOmOeafU+totFsPaVbpGmrX5Wzd2buX+g/8ElKXjEEcrXPdhxkoseGiqknv7gpeKr p4FRcDouke3357f/MBN9VdZOz4ADroq9E1BxTIfOXBz8x6Bg2UrJNq3ktNrLEKltwoM8 ugp7t4tlKViGlB+X6QSz3I5iOuMRXghvnJY+8q0LtyeHoN2lu0RIucogrOwIwIps0g0q kg== Received: from ppma13.dal12v.mail.ibm.com (dd.9e.1632.ip4.static.sl-reverse.com [50.22.158.221]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3t3k6rdybb-4 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 13 Sep 2023 23:30:53 +0000 Received: from pps.filterd (ppma13.dal12v.mail.ibm.com [127.0.0.1]) by ppma13.dal12v.mail.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 38DM37ex002367; Wed, 13 Sep 2023 23:05:06 GMT Received: from smtprelay03.dal12v.mail.ibm.com ([172.16.1.5]) by ppma13.dal12v.mail.ibm.com (PPS) with ESMTPS id 3t158ke7dd-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 13 Sep 2023 23:05:06 +0000 Received: from smtpav05.wdc07v.mail.ibm.com (smtpav05.wdc07v.mail.ibm.com [10.39.53.232]) by smtprelay03.dal12v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 38DN55DL1770054 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 13 Sep 2023 23:05:05 GMT Received: from smtpav05.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 30B7758053; Wed, 13 Sep 2023 23:05:05 +0000 (GMT) Received: from smtpav05.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id B503D58061; Wed, 13 Sep 2023 23:05:04 +0000 (GMT) Received: from vios4361.aus.stglabs.ibm.com (unknown [9.3.43.61]) by smtpav05.wdc07v.mail.ibm.com (Postfix) with ESMTP; Wed, 13 Sep 2023 23:05:04 +0000 (GMT) From: Tyrel Datwyler To: martin.petersen@oracle.com Cc: linux-scsi@vger.kernel.org, brking@linux.ibm.com, james.bottomley@hansenpartnership.com, Tyrel Datwyler , Brian King Subject: [PATCH 09/11] ibmvfc: add protocol field to ibmvfc_channels Date: Wed, 13 Sep 2023 18:04:55 -0500 Message-Id: <20230913230457.2575849-10-tyreld@linux.ibm.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20230913230457.2575849-1-tyreld@linux.ibm.com> References: <20230913230457.2575849-1-tyreld@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: MA__lAu4Uow14nD_188P2fnOvaulkJBG X-Proofpoint-ORIG-GUID: MA__lAu4Uow14nD_188P2fnOvaulkJBG X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.980,Hydra:6.0.601,FMLib:17.11.176.26 definitions=2023-09-13_17,2023-09-13_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=999 phishscore=0 clxscore=1015 malwarescore=0 adultscore=0 impostorscore=0 bulkscore=0 mlxscore=0 spamscore=0 priorityscore=1501 lowpriorityscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2308100000 definitions=main-2309130191 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org There are cases in the generic code where protocol specific configuration or actions may need to be taken. Add a protocol field to struct ibmvfc_channels and initial IBMVFC_PROTO_[SCSI/NVME] definitions. Signed-off-by: Tyrel Datwyler Reviewed-by: Brian King --- drivers/scsi/ibmvscsi/ibmvfc.c | 24 ++++++++++++++++++++---- drivers/scsi/ibmvscsi/ibmvfc.h | 7 +++++++ 2 files changed, 27 insertions(+), 4 deletions(-) diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c index 8b2421fa2b2c..0c6900bc6588 100644 --- a/drivers/scsi/ibmvscsi/ibmvfc.c +++ b/drivers/scsi/ibmvscsi/ibmvfc.c @@ -3935,7 +3935,7 @@ static void ibmvfc_drain_sub_crq(struct ibmvfc_queue *scrq) } } -static irqreturn_t ibmvfc_interrupt_scsi(int irq, void *scrq_instance) +static irqreturn_t ibmvfc_interrupt_mq(int irq, void *scrq_instance) { struct ibmvfc_queue *scrq = (struct ibmvfc_queue *)scrq_instance; @@ -5936,9 +5936,24 @@ static int ibmvfc_register_channel(struct ibmvfc_host *vhost, goto irq_failed; } - snprintf(scrq->name, sizeof(scrq->name), "ibmvfc-%x-scsi%d", - vdev->unit_address, index); - rc = request_irq(scrq->irq, ibmvfc_interrupt_scsi, 0, scrq->name, scrq); + switch (channels->protocol) { + case IBMVFC_PROTO_SCSI: + snprintf(scrq->name, sizeof(scrq->name), "ibmvfc-%x-scsi%d", + vdev->unit_address, index); + scrq->handler = ibmvfc_interrupt_mq; + break; + case IBMVFC_PROTO_NVME: + snprintf(scrq->name, sizeof(scrq->name), "ibmvfc-%x-nvmf%d", + vdev->unit_address, index); + scrq->handler = ibmvfc_interrupt_mq; + break; + default: + dev_err(dev, "Unknown channel protocol (%d)\n", + channels->protocol); + goto irq_failed; + } + + rc = request_irq(scrq->irq, scrq->handler, 0, scrq->name, scrq); if (rc) { dev_err(dev, "Couldn't register sub-crq[%d] irq\n", index); @@ -6317,6 +6332,7 @@ static int ibmvfc_probe(struct vio_dev *vdev, const struct vio_device_id *id) vhost->mq_enabled = mq_enabled; vhost->scsi_scrqs.desired_queues = min(shost->nr_hw_queues, nr_scsi_channels); vhost->scsi_scrqs.max_queues = shost->nr_hw_queues; + vhost->scsi_scrqs.protocol = IBMVFC_PROTO_SCSI; vhost->using_channels = 0; vhost->do_enquiry = 1; vhost->scan_timeout = 0; diff --git a/drivers/scsi/ibmvscsi/ibmvfc.h b/drivers/scsi/ibmvscsi/ibmvfc.h index 79e1a3bbb2f7..085dfc38446a 100644 --- a/drivers/scsi/ibmvscsi/ibmvfc.h +++ b/drivers/scsi/ibmvscsi/ibmvfc.h @@ -813,10 +813,17 @@ struct ibmvfc_queue { unsigned long irq; unsigned long hwq_id; char name[32]; + irq_handler_t handler; +}; + +enum ibmvfc_protocol { + IBMVFC_PROTO_SCSI = 0, + IBMVFC_PROTO_NVME = 1, }; struct ibmvfc_channels { struct ibmvfc_queue *scrqs; + enum ibmvfc_protocol protocol; unsigned int active_queues; unsigned int desired_queues; unsigned int max_queues;