From mboxrd@z Thu Jan 1 00:00:00 1970 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=-9.7 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, UNPARSEABLE_RELAY,USER_AGENT_GIT autolearn=ham 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 3240FC7618F for ; Tue, 16 Jul 2019 18:13:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 18B8F20693 for ; Tue, 16 Jul 2019 18:13:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388367AbfGPSNx (ORCPT ); Tue, 16 Jul 2019 14:13:53 -0400 Received: from userp2120.oracle.com ([156.151.31.85]:37110 "EHLO userp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728121AbfGPSNx (ORCPT ); Tue, 16 Jul 2019 14:13:53 -0400 Received: from pps.filterd (userp2120.oracle.com [127.0.0.1]) by userp2120.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x6GI9U63115848; Tue, 16 Jul 2019 18:13:36 GMT Received: from userp3030.oracle.com (userp3030.oracle.com [156.151.31.80]) by userp2120.oracle.com with ESMTP id 2tq7xqx4dd-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 16 Jul 2019 18:13:36 +0000 Received: from pps.filterd (userp3030.oracle.com [127.0.0.1]) by userp3030.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x6GICdnI027818; Tue, 16 Jul 2019 18:13:35 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userp3030.oracle.com with ESMTP id 2tq4du2ua8-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 16 Jul 2019 18:13:35 +0000 Received: from abhmp0022.oracle.com (abhmp0022.oracle.com [141.146.116.28]) by aserv0121.oracle.com (8.14.4/8.13.8) with ESMTP id x6GIDYw4021290; Tue, 16 Jul 2019 18:13:34 GMT Received: from host5.lan (/77.138.183.59) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 16 Jul 2019 18:13:34 +0000 From: Shamir Rabinovitch To: dledford@redhat.com, jgg@ziepe.ca, leon@kernel.org, monis@mellanox.com, parav@mellanox.com, danielj@mellanox.com, kamalheib1@gmail.com, markz@mellanox.com, swise@opengridcomputing.com, shamir.rabinovitch@oracle.com, johannes.berg@intel.com, willy@infradead.org, michaelgur@mellanox.com, markb@mellanox.com, yuval.shaia@oracle.com, dan.carpenter@oracle.com, bvanassche@acm.org, maxg@mellanox.com, israelr@mellanox.com, galpress@amazon.com, denisd@mellanox.com, yuvalav@mellanox.com, dennis.dalessandro@intel.com, will@kernel.org, ereza@mellanox.com, jgg@mellanox.com, linux-rdma@vger.kernel.org Cc: Shamir Rabinovitch Subject: [PATCH 11/25] IB/mlx4: Add implementation of clone_pd callback Date: Tue, 16 Jul 2019 21:11:46 +0300 Message-Id: <20190716181200.4239-12-srabinov7@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190716181200.4239-1-srabinov7@gmail.com> References: <20190716181200.4239-1-srabinov7@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9320 signatures=668688 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=2 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=961 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1907160223 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9320 signatures=668688 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=2 phishscore=0 bulkscore=0 spamscore=0 clxscore=1034 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1907160222 Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org From: Shamir Rabinovitch Copy mlx4 ib_pd to user-space. Signed-off-by: Shamir Rabinovitch Signed-off-by: Shamir Rabinovitch --- drivers/infiniband/hw/mlx4/main.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index 8790101facb7..8adc569ce4fd 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -1178,6 +1178,13 @@ static int mlx4_ib_mmap(struct ib_ucontext *context, struct vm_area_struct *vma) } } +static int mlx4_ib_clone_pd(struct ib_udata *udata, struct ib_pd *ibpd) +{ + struct mlx4_ib_pd *pd = to_mpd(ibpd); + + return udata ? ib_copy_to_udata(udata, &pd->pdn, sizeof(__u32)) : 0; +} + static int mlx4_ib_alloc_pd(struct ib_pd *ibpd, struct ib_udata *udata) { struct mlx4_ib_pd *pd = to_mpd(ibpd); @@ -1188,10 +1195,12 @@ static int mlx4_ib_alloc_pd(struct ib_pd *ibpd, struct ib_udata *udata) if (err) return err; - if (udata && ib_copy_to_udata(udata, &pd->pdn, sizeof(__u32))) { + err = mlx4_ib_clone_pd(udata, ibpd); + if (err) { mlx4_pd_free(to_mdev(ibdev)->dev, pd->pdn); return -EFAULT; } + return 0; } @@ -2564,6 +2573,9 @@ static const struct ib_device_ops mlx4_ib_dev_ops = { .rereg_user_mr = mlx4_ib_rereg_user_mr, .resize_cq = mlx4_ib_resize_cq, + /* Object sharing callbacks */ + .clone_ib_pd = mlx4_ib_clone_pd, + INIT_RDMA_OBJ_SIZE(ib_ah, mlx4_ib_ah, ibah), INIT_RDMA_OBJ_SIZE(ib_cq, mlx4_ib_cq, ibcq), INIT_RDMA_OBJ_SIZE(ib_pd, mlx4_ib_pd, ibpd), -- 2.20.1