From patchwork Mon Feb 26 22:23:05 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Uma Krishnan X-Patchwork-Id: 10243821 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 1BAD8602A0 for ; Mon, 26 Feb 2018 22:23:14 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id F34E12A43A for ; Mon, 26 Feb 2018 22:23:13 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E7BF12A43D; Mon, 26 Feb 2018 22:23:13 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6A1552A43C for ; Mon, 26 Feb 2018 22:23:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751641AbeBZWXN (ORCPT ); Mon, 26 Feb 2018 17:23:13 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:46988 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751637AbeBZWXM (ORCPT ); Mon, 26 Feb 2018 17:23:12 -0500 Received: from pps.filterd (m0098399.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id w1QMJBOP000913 for ; Mon, 26 Feb 2018 17:23:12 -0500 Received: from e32.co.us.ibm.com (e32.co.us.ibm.com [32.97.110.150]) by mx0a-001b2d01.pphosted.com with ESMTP id 2gcp5pk04x-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Mon, 26 Feb 2018 17:23:11 -0500 Received: from localhost by e32.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 26 Feb 2018 15:23:10 -0700 Received: from b03cxnp08027.gho.boulder.ibm.com (9.17.130.19) by e32.co.us.ibm.com (192.168.1.132) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; Mon, 26 Feb 2018 15:23:07 -0700 Received: from b03ledav001.gho.boulder.ibm.com (b03ledav001.gho.boulder.ibm.com [9.17.130.232]) by b03cxnp08027.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id w1QMN7LK5374290; Mon, 26 Feb 2018 15:23:07 -0700 Received: from b03ledav001.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 4BC876E045; Mon, 26 Feb 2018 15:23:07 -0700 (MST) Received: from p8tul1-build.aus.stglabs.ibm.com (unknown [9.3.141.206]) by b03ledav001.gho.boulder.ibm.com (Postfix) with ESMTP id D57D76E03A; Mon, 26 Feb 2018 15:23:06 -0700 (MST) From: Uma Krishnan To: linux-scsi@vger.kernel.org, James Bottomley , "Martin K. Petersen" , "Matthew R. Ochs" , "Manoj N. Kumar" Cc: linuxppc-dev@lists.ozlabs.org, Andrew Donnellan , Frederic Barrat , Christophe Lombard Subject: [PATCH v2 22/38] cxlflash: Setup OCXL transaction layer Date: Mon, 26 Feb 2018 16:23:05 -0600 X-Mailer: git-send-email 2.1.0 In-Reply-To: <1519683513-16731-1-git-send-email-ukrishn@linux.vnet.ibm.com> References: <1519683513-16731-1-git-send-email-ukrishn@linux.vnet.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 18022622-0004-0000-0000-000013B8FA97 X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00008601; HX=3.00000241; KW=3.00000007; PH=3.00000004; SC=3.00000254; SDB=6.00995539; UDB=6.00506039; IPR=6.00774868; MB=3.00019751; MTD=3.00000008; XFM=3.00000015; UTC=2018-02-26 22:23:08 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18022622-0005-0000-0000-000086401C7F Message-Id: <1519683785-17547-1-git-send-email-ukrishn@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2018-02-26_08:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 impostorscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1709140000 definitions=main-1802260280 Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The first function of the link needs to configure the transaction layer between the host and device. This is accomplished by a call to the OCXL provider services. Signed-off-by: Uma Krishnan Acked-by: Matthew R. Ochs --- drivers/scsi/cxlflash/ocxl_hw.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/scsi/cxlflash/ocxl_hw.c b/drivers/scsi/cxlflash/ocxl_hw.c index ea2906d..a388981 100644 --- a/drivers/scsi/cxlflash/ocxl_hw.c +++ b/drivers/scsi/cxlflash/ocxl_hw.c @@ -419,8 +419,18 @@ static int ocxlflash_config_fn(struct pci_dev *pdev, struct ocxl_hw_afu *afu) __func__, rc); goto out; } + + rc = ocxl_config_set_TL(pdev, fcfg->dvsec_tl_pos); + if (unlikely(rc)) { + dev_err(dev, "%s: ocxl_config_set_TL failed rc=%d\n", + __func__, rc); + goto err; + } out: return rc; +err: + ocxl_link_release(pdev, afu->link_token); + goto out; } /**