From patchwork Wed Nov 18 01:11:03 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tyrel Datwyler X-Patchwork-Id: 327759 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=-16.7 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, URIBL_BLOCKED, 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 62F55C64E7C for ; Wed, 18 Nov 2020 01:11:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 278622463B for ; Wed, 18 Nov 2020 01:11:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=ibm.com header.i=@ibm.com header.b="mGPkoZWN" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729337AbgKRBLU (ORCPT ); Tue, 17 Nov 2020 20:11:20 -0500 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:7868 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728154AbgKRBLR (ORCPT ); Tue, 17 Nov 2020 20:11:17 -0500 Received: from pps.filterd (m0098414.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 0AI12CLq078666; Tue, 17 Nov 2020 20:11:11 -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=3DB0D4faj7+NR+DNa8Ta+S+mZudClIfGT0ghfDBmFeU=; b=mGPkoZWNSGEhCZb1VAYAIRLNoCl7oN14NeepPSvK71Ri1bTvCle30UWOGX7mDEaSGtQl wqv7TVYoVLNzbl259LqsP9hlyYxVbOoBFU5jh6sZe2jlDvTr+MaqhYF7uHDNXFIwdDuC JD/GBKAUm1ZcEgWXo6MFOux5WCc/vQJbsl2Kfg39FNI7YlQtjax2+NQr5FGtEWm+PqrT c4EFcBrGaoOG6oTjHJkaILgcW3sVYweFsPKuaNmEycJxO+rtDSBJsqWZ9H4izCTdeqW+ 2VSHKJUEZMc7bdY8iagqTvy+7JrHWBBu/3TB79C8LeM4h2o1vEIg2b5wDWM2gsYckMJd uQ== Received: from ppma03dal.us.ibm.com (b.bd.3ea9.ip4.static.sl-reverse.com [169.62.189.11]) by mx0b-001b2d01.pphosted.com with ESMTP id 34v3yfs3y1-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 17 Nov 2020 20:11:10 -0500 Received: from pps.filterd (ppma03dal.us.ibm.com [127.0.0.1]) by ppma03dal.us.ibm.com (8.16.0.42/8.16.0.42) with SMTP id 0AI11g2A010752; Wed, 18 Nov 2020 01:11:10 GMT Received: from b03cxnp08026.gho.boulder.ibm.com (b03cxnp08026.gho.boulder.ibm.com [9.17.130.18]) by ppma03dal.us.ibm.com with ESMTP id 34t6v9h3pe-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 18 Nov 2020 01:11:10 +0000 Received: from b03ledav005.gho.boulder.ibm.com (b03ledav005.gho.boulder.ibm.com [9.17.130.236]) by b03cxnp08026.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 0AI1AxXR63439194 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 18 Nov 2020 01:10:59 GMT Received: from b03ledav005.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 55C34BE056; Wed, 18 Nov 2020 01:11:08 +0000 (GMT) Received: from b03ledav005.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id E7251BE04F; Wed, 18 Nov 2020 01:11:07 +0000 (GMT) Received: from vios4361.aus.stglabs.ibm.com (unknown [9.3.43.61]) by b03ledav005.gho.boulder.ibm.com (Postfix) with ESMTP; Wed, 18 Nov 2020 01:11:07 +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 Subject: [PATCH v3 5/6] ibmvfc: add support for target_wwpn field in v2 MADs and vfcFrame Date: Tue, 17 Nov 2020 19:11:03 -0600 Message-Id: <20201118011104.296999-6-tyreld@linux.ibm.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20201118011104.296999-1-tyreld@linux.ibm.com> References: <20201118011104.296999-1-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=2020-11-17_15:2020-11-17,2020-11-17 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 lowpriorityscore=0 adultscore=0 bulkscore=0 spamscore=0 mlxlogscore=999 priorityscore=1501 malwarescore=0 suspectscore=1 mlxscore=0 clxscore=1015 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2011180000 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Several version 2 MADs and the version 2 vfcFrame structures introduced a new targetWWPN field for better identification of a target over the scsi_id. Set this field and MAD versioning fields when the VIOS advertises the IBMVFC_HANDLE_VF_WWPN capability. Signed-off-by: Tyrel Datwyler --- drivers/scsi/ibmvscsi/ibmvfc.c | 39 ++++++++++++++++++++++++++++------ 1 file changed, 33 insertions(+), 6 deletions(-) diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c index 3427c686fb10..83627e11e85e 100644 --- a/drivers/scsi/ibmvscsi/ibmvfc.c +++ b/drivers/scsi/ibmvscsi/ibmvfc.c @@ -1685,9 +1685,10 @@ static struct ibmvfc_cmd *ibmvfc_init_vfc_cmd(struct ibmvfc_event *evt, struct s size_t offset; memset(vfc_cmd, 0, sizeof(*vfc_cmd)); - if (ibmvfc_check_caps(vhost, IBMVFC_HANDLE_VF_WWPN)) + if (ibmvfc_check_caps(vhost, IBMVFC_HANDLE_VF_WWPN)) { offset = offsetof(struct ibmvfc_cmd, v2.rsp); - else + vfc_cmd->target_wwpn = cpu_to_be64(rport->port_name); + } else offset = offsetof(struct ibmvfc_cmd, v1.rsp); vfc_cmd->resp.va = cpu_to_be64(be64_to_cpu(evt->crq.ioba) + offset); vfc_cmd->resp.len = cpu_to_be32(sizeof(*rsp)); @@ -2064,6 +2065,7 @@ static int ibmvfc_bsg_request(struct bsg_job *job) static int ibmvfc_reset_device(struct scsi_device *sdev, int type, char *desc) { struct ibmvfc_host *vhost = shost_priv(sdev->host); + struct fc_rport *rport = starget_to_rport(scsi_target(sdev)); struct ibmvfc_cmd *tmf; struct ibmvfc_event *evt = NULL; union ibmvfc_iu rsp_iu; @@ -2081,6 +2083,8 @@ static int ibmvfc_reset_device(struct scsi_device *sdev, int type, char *desc) iu = ibmvfc_get_fcp_iu(vhost, tmf); tmf->flags = cpu_to_be16((IBMVFC_NO_MEM_DESC | IBMVFC_TMF)); + if (ibmvfc_check_caps(vhost, IBMVFC_HANDLE_VF_WWPN)) + tmf->target_wwpn = cpu_to_be64(rport->port_name); iu->tmf_flags = type; evt->sync_iu = &rsp_iu; @@ -2271,7 +2275,12 @@ static int ibmvfc_cancel_all(struct scsi_device *sdev, int type) tmf = &evt->iu.tmf; memset(tmf, 0, sizeof(*tmf)); - tmf->common.version = cpu_to_be32(1); + if (ibmvfc_check_caps(vhost, IBMVFC_HANDLE_VF_WWPN)) { + tmf->common.version = cpu_to_be32(2); + tmf->target_wwpn = cpu_to_be64(rport->port_name); + } else { + tmf->common.version = cpu_to_be32(1); + } tmf->common.opcode = cpu_to_be32(IBMVFC_TMF_MAD); tmf->common.length = cpu_to_be16(sizeof(*tmf)); tmf->scsi_id = cpu_to_be64(rport->port_id); @@ -2371,6 +2380,7 @@ static int ibmvfc_match_evt(struct ibmvfc_event *evt, void *match) static int ibmvfc_abort_task_set(struct scsi_device *sdev) { struct ibmvfc_host *vhost = shost_priv(sdev->host); + struct fc_rport *rport = starget_to_rport(scsi_target(sdev)); struct ibmvfc_cmd *tmf; struct ibmvfc_event *evt, *found_evt; union ibmvfc_iu rsp_iu; @@ -2402,6 +2412,8 @@ static int ibmvfc_abort_task_set(struct scsi_device *sdev) tmf = ibmvfc_init_vfc_cmd(evt, sdev); iu = ibmvfc_get_fcp_iu(vhost, tmf); + if (ibmvfc_check_caps(vhost, IBMVFC_HANDLE_VF_WWPN)) + tmf->target_wwpn = cpu_to_be64(rport->port_name); iu->tmf_flags = IBMVFC_ABORT_TASK_SET; tmf->flags = cpu_to_be16((IBMVFC_NO_MEM_DESC | IBMVFC_TMF)); evt->sync_iu = &rsp_iu; @@ -3483,7 +3495,12 @@ static void ibmvfc_tgt_send_prli(struct ibmvfc_target *tgt) evt->tgt = tgt; prli = &evt->iu.prli; memset(prli, 0, sizeof(*prli)); - prli->common.version = cpu_to_be32(1); + if (ibmvfc_check_caps(vhost, IBMVFC_HANDLE_VF_WWPN)) { + prli->common.version = cpu_to_be32(2); + prli->target_wwpn = cpu_to_be64(tgt->wwpn); + } else { + prli->common.version = cpu_to_be32(1); + } prli->common.opcode = cpu_to_be32(IBMVFC_PROCESS_LOGIN); prli->common.length = cpu_to_be16(sizeof(*prli)); prli->scsi_id = cpu_to_be64(tgt->scsi_id); @@ -3586,7 +3603,12 @@ static void ibmvfc_tgt_send_plogi(struct ibmvfc_target *tgt) evt->tgt = tgt; plogi = &evt->iu.plogi; memset(plogi, 0, sizeof(*plogi)); - plogi->common.version = cpu_to_be32(1); + if (ibmvfc_check_caps(vhost, IBMVFC_HANDLE_VF_WWPN)) { + plogi->common.version = cpu_to_be32(2); + plogi->target_wwpn = cpu_to_be64(tgt->wwpn); + } else { + plogi->common.version = cpu_to_be32(1); + } plogi->common.opcode = cpu_to_be32(IBMVFC_PORT_LOGIN); plogi->common.length = cpu_to_be16(sizeof(*plogi)); plogi->scsi_id = cpu_to_be64(tgt->scsi_id); @@ -3986,7 +4008,12 @@ static void ibmvfc_adisc_timeout(struct timer_list *t) evt->tgt = tgt; tmf = &evt->iu.tmf; memset(tmf, 0, sizeof(*tmf)); - tmf->common.version = cpu_to_be32(1); + if (ibmvfc_check_caps(vhost, IBMVFC_HANDLE_VF_WWPN)) { + tmf->common.version = cpu_to_be32(2); + tmf->target_wwpn = cpu_to_be64(tgt->wwpn); + } else { + tmf->common.version = cpu_to_be32(1); + } tmf->common.opcode = cpu_to_be32(IBMVFC_TMF_MAD); tmf->common.length = cpu_to_be16(sizeof(*tmf)); tmf->scsi_id = cpu_to_be64(tgt->scsi_id);