From patchwork Thu Dec 3 02:07:56 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tyrel Datwyler X-Patchwork-Id: 338191 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 7439BC83024 for ; Thu, 3 Dec 2020 02:09:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3EFC821D91 for ; Thu, 3 Dec 2020 02:09:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727599AbgLCCJE (ORCPT ); Wed, 2 Dec 2020 21:09:04 -0500 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:63250 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1729461AbgLCCJD (ORCPT ); Wed, 2 Dec 2020 21:09:03 -0500 Received: from pps.filterd (m0098416.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 0B321kdW044458; Wed, 2 Dec 2020 21:08:16 -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=9R+EPmfXOYd059WiPsY59u7q+OrEXF3u9tkNl3psk2o=; b=PbqTstXlEL0uHoWdKroR5Gp+6VZQZ9kAxATCydPNsJm4UdfVx6hN++ehYfR1tGrC8hXt wIdsjewe2Eunilz1MKz0lju9wqFzx+UU3SEdV9fPrp0S044UnIyvg1RLB3FcRGDJkixV TSdUEI+2UapcFuX0G3MG56PoWZW1MkE1iw53MrDcyb8miCuhpK7YNESWa9bglrNzVBew B959JN77pbZuVKM87bGF7m98xMJd0jA/AOxjCDddsPG5f+G26IUOL1LX8fgdUqUPw3jy BUCgTFp7aSM5zmC5xJhkjekHLFBw82NaXb4qn01V0x4RsdGhvJi0Acou4QstKMeLUXJG CQ== Received: from ppma01wdc.us.ibm.com (fd.55.37a9.ip4.static.sl-reverse.com [169.55.85.253]) by mx0b-001b2d01.pphosted.com with ESMTP id 356jdx73nd-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 02 Dec 2020 21:08:16 -0500 Received: from pps.filterd (ppma01wdc.us.ibm.com [127.0.0.1]) by ppma01wdc.us.ibm.com (8.16.0.42/8.16.0.42) with SMTP id 0B31uOU2013344; Thu, 3 Dec 2020 02:08:16 GMT Received: from b03cxnp08026.gho.boulder.ibm.com (b03cxnp08026.gho.boulder.ibm.com [9.17.130.18]) by ppma01wdc.us.ibm.com with ESMTP id 355vrfvc80-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 03 Dec 2020 02:08:16 +0000 Received: from b03ledav004.gho.boulder.ibm.com (b03ledav004.gho.boulder.ibm.com [9.17.130.235]) by b03cxnp08026.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 0B3285Ru18350810 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 3 Dec 2020 02:08:05 GMT Received: from b03ledav004.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id D1E7B7805F; Thu, 3 Dec 2020 02:08:14 +0000 (GMT) Received: from b03ledav004.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 45AB07805C; Thu, 3 Dec 2020 02:08:14 +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 02:08:14 +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 v3 08/18] ibmvfc: map/request irq and register Sub-CRQ interrupt handler Date: Wed, 2 Dec 2020 20:07:56 -0600 Message-Id: <20201203020806.14747-9-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 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 malwarescore=0 spamscore=0 clxscore=1015 phishscore=0 mlxscore=0 mlxlogscore=999 adultscore=0 bulkscore=0 lowpriorityscore=0 impostorscore=0 suspectscore=3 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2012030006 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Create an irq mapping for the hw_irq number provided from phyp firmware. Request an irq assigned our Sub-CRQ interrupt handler. Signed-off-by: Tyrel Datwyler Reviewed-by: Brian King --- drivers/scsi/ibmvscsi/ibmvfc.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c index 649268996a5c..6b299df786fc 100644 --- a/drivers/scsi/ibmvscsi/ibmvfc.c +++ b/drivers/scsi/ibmvscsi/ibmvfc.c @@ -5134,12 +5134,34 @@ static int ibmvfc_register_scsi_channel(struct ibmvfc_host *vhost, goto reg_failed; } + scrq->irq = irq_create_mapping(NULL, scrq->hw_irq); + + if (!scrq->irq) { + rc = -EINVAL; + dev_err(dev, "Error mapping sub-crq[%d] irq\n", index); + 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); + + if (rc) { + dev_err(dev, "Couldn't register sub-crq[%d] irq\n", index); + irq_dispose_mapping(scrq->irq); + goto irq_failed; + } + scrq->hwq_id = index; scrq->vhost = vhost; LEAVE; return 0; +irq_failed: + do { + plpar_hcall_norets(H_FREE_SUB_CRQ, vdev->unit_address, scrq->cookie); + } while (rc == H_BUSY || H_IS_LONG_BUSY(rc)); reg_failed: dma_unmap_single(dev, scrq->msg_token, PAGE_SIZE, DMA_BIDIRECTIONAL); dma_map_failed: