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 E556DC7618F for ; Tue, 16 Jul 2019 18:13:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C7CB120693 for ; Tue, 16 Jul 2019 18:13:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728495AbfGPSN7 (ORCPT ); Tue, 16 Jul 2019 14:13:59 -0400 Received: from userp2130.oracle.com ([156.151.31.86]:43380 "EHLO userp2130.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728121AbfGPSN7 (ORCPT ); Tue, 16 Jul 2019 14:13:59 -0400 Received: from pps.filterd (userp2130.oracle.com [127.0.0.1]) by userp2130.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x6GI9ZSI108176; Tue, 16 Jul 2019 18:13:42 GMT Received: from userp3020.oracle.com (userp3020.oracle.com [156.151.31.79]) by userp2130.oracle.com with ESMTP id 2tq6qtp8q3-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 16 Jul 2019 18:13:42 +0000 Received: from pps.filterd (userp3020.oracle.com [127.0.0.1]) by userp3020.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x6GICVHS114496; Tue, 16 Jul 2019 18:13:42 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userp3020.oracle.com with ESMTP id 2tq6mn1mxm-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 16 Jul 2019 18:13:42 +0000 Received: from abhmp0022.oracle.com (abhmp0022.oracle.com [141.146.116.28]) by aserv0122.oracle.com (8.14.4/8.14.4) with ESMTP id x6GIDfF9030957; Tue, 16 Jul 2019 18:13:41 GMT Received: from host5.lan (/77.138.183.59) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 16 Jul 2019 18:13:40 +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 12/25] IB/mlx5: Add implementation of clone_pd callback Date: Tue, 16 Jul 2019 21:11:47 +0300 Message-Id: <20190716181200.4239-13-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=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=999 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=0 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 mlx5 ib_pd to user-space. Signed-off-by: Shamir Rabinovitch Signed-off-by: Shamir Rabinovitch --- drivers/infiniband/hw/mlx5/main.c | 29 ++++++++++++++++++++++------- 1 file changed, 22 insertions(+), 7 deletions(-) diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 34378acb28d4..c8eeeea1ef6d 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -2464,11 +2464,24 @@ int mlx5_ib_dealloc_dm(struct ib_dm *ibdm, struct uverbs_attr_bundle *attrs) return 0; } +static int mlx5_ib_clone_pd(struct ib_udata *udata, struct ib_pd *ibpd) +{ + struct mlx5_ib_pd *pd = to_mpd(ibpd); + struct mlx5_ib_alloc_pd_resp resp; + int ret = 0; + + if (udata) { + resp.pdn = pd->pdn; + ret = ib_copy_to_udata(udata, &resp, sizeof(resp)); + } + + return ret; +} + static int mlx5_ib_alloc_pd(struct ib_pd *ibpd, struct ib_udata *udata) { struct mlx5_ib_pd *pd = to_mpd(ibpd); struct ib_device *ibdev = ibpd->device; - struct mlx5_ib_alloc_pd_resp resp; int err; u32 out[MLX5_ST_SZ_DW(alloc_pd_out)] = {}; u32 in[MLX5_ST_SZ_DW(alloc_pd_in)] = {}; @@ -2486,12 +2499,11 @@ static int mlx5_ib_alloc_pd(struct ib_pd *ibpd, struct ib_udata *udata) pd->pdn = MLX5_GET(alloc_pd_out, out, pd); pd->uid = uid; - if (udata) { - resp.pdn = pd->pdn; - if (ib_copy_to_udata(udata, &resp, sizeof(resp))) { - mlx5_cmd_dealloc_pd(to_mdev(ibdev)->mdev, pd->pdn, uid); - return -EFAULT; - } + + err = mlx5_ib_clone_pd(udata, ibpd); + if (err) { + mlx5_cmd_dealloc_pd(to_mdev(ibdev)->mdev, pd->pdn, uid); + return err; } return 0; @@ -6301,6 +6313,9 @@ static const struct ib_device_ops mlx5_ib_dev_ops = { .rereg_user_mr = mlx5_ib_rereg_user_mr, .resize_cq = mlx5_ib_resize_cq, + /* Object sharing callbacks */ + .clone_ib_pd = mlx5_ib_clone_pd, + INIT_RDMA_OBJ_SIZE(ib_ah, mlx5_ib_ah, ibah), INIT_RDMA_OBJ_SIZE(ib_cq, mlx5_ib_cq, ibcq), INIT_RDMA_OBJ_SIZE(ib_pd, mlx5_ib_pd, ibpd), -- 2.20.1