From patchwork Mon Mar 26 16:33:28 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Uma Krishnan X-Patchwork-Id: 10308233 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 982A260212 for ; Mon, 26 Mar 2018 16:33:35 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 862AC28C9C for ; Mon, 26 Mar 2018 16:33:35 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 79B4529794; Mon, 26 Mar 2018 16:33:35 +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 2E6C228C9C for ; Mon, 26 Mar 2018 16:33:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752522AbeCZQde (ORCPT ); Mon, 26 Mar 2018 12:33:34 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:57834 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751489AbeCZQde (ORCPT ); Mon, 26 Mar 2018 12:33:34 -0400 Received: from pps.filterd (m0098413.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id w2QGOr8e013986 for ; Mon, 26 Mar 2018 12:33:33 -0400 Received: from e33.co.us.ibm.com (e33.co.us.ibm.com [32.97.110.151]) by mx0b-001b2d01.pphosted.com with ESMTP id 2gy2r1nbgk-1 (version=TLSv1.2 cipher=AES256-SHA256 bits=256 verify=NOT) for ; Mon, 26 Mar 2018 12:33:33 -0400 Received: from localhost by e33.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 26 Mar 2018 10:33:32 -0600 Received: from b03cxnp08025.gho.boulder.ibm.com (9.17.130.17) by e33.co.us.ibm.com (192.168.1.133) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; Mon, 26 Mar 2018 10:33:30 -0600 Received: from b03ledav006.gho.boulder.ibm.com (b03ledav006.gho.boulder.ibm.com [9.17.130.237]) by b03cxnp08025.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id w2QGXUv08913318; Mon, 26 Mar 2018 09:33:30 -0700 Received: from b03ledav006.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 1FB71C6042; Mon, 26 Mar 2018 10:33:30 -0600 (MDT) Received: from p8tul1-build.aus.stglabs.ibm.com (unknown [9.3.141.206]) by b03ledav006.gho.boulder.ibm.com (Postfix) with ESMTP id 8D862C603C; Mon, 26 Mar 2018 10:33:29 -0600 (MDT) 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 v3 22/41] cxlflash: Setup OCXL transaction layer Date: Mon, 26 Mar 2018 11:33:28 -0500 X-Mailer: git-send-email 2.1.0 In-Reply-To: <1522081759-57431-1-git-send-email-ukrishn@linux.vnet.ibm.com> References: <1522081759-57431-1-git-send-email-ukrishn@linux.vnet.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 18032616-0008-0000-0000-000009824C42 X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00008748; HX=3.00000241; KW=3.00000007; PH=3.00000004; SC=3.00000255; SDB=6.01008739; UDB=6.00513806; IPR=6.00788022; MB=3.00020251; MTD=3.00000008; XFM=3.00000015; UTC=2018-03-26 16:33:31 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18032616-0009-0000-0000-0000468C3A36 Message-Id: <1522082008-58266-1-git-send-email-ukrishn@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2018-03-26_07:, , 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-1803260169 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 67517f8..db612bd 100644 --- a/drivers/scsi/cxlflash/ocxl_hw.c +++ b/drivers/scsi/cxlflash/ocxl_hw.c @@ -422,8 +422,18 @@ 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; } /**