From patchwork Thu Mar 7 18:02:34 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Max Gurtovoy X-Patchwork-Id: 10843623 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 6121014DE for ; Thu, 7 Mar 2019 18:02:56 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4BA122F5AB for ; Thu, 7 Mar 2019 18:02:56 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4011D2F572; Thu, 7 Mar 2019 18:02:56 +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=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI,UNPARSEABLE_RELAY 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 C4A3C2F572 for ; Thu, 7 Mar 2019 18:02:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726491AbfCGSCw (ORCPT ); Thu, 7 Mar 2019 13:02:52 -0500 Received: from mail-il-dmz.mellanox.com ([193.47.165.129]:53324 "EHLO mellanox.co.il" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726436AbfCGSCu (ORCPT ); Thu, 7 Mar 2019 13:02:50 -0500 Received: from Internal Mail-Server by MTLPINE1 (envelope-from maxg@mellanox.com) with ESMTPS (AES256-SHA encrypted); 7 Mar 2019 20:02:45 +0200 Received: from r-vnc08.mtr.labs.mlnx (r-vnc08.mtr.labs.mlnx [10.208.0.121]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id x27I2idi016737; Thu, 7 Mar 2019 20:02:45 +0200 From: Max Gurtovoy To: hch@lst.de, linux-rdma@vger.kernel.org, leon@kernel.org, sagi@grimberg.me, jgg@mellanox.com, dledford@redhat.com, bvanassche@acm.org Cc: maxg@mellanox.com, israelr@mellanox.com, idanb@mellanox.com, vladimirk@mellanox.com, shlomin@mellanox.com, oren@mellanox.com Subject: [PATCH 08/18] RDMA/core: Add signature attrs element for ib_mr structure Date: Thu, 7 Mar 2019 20:02:34 +0200 Message-Id: <1551981764-26557-9-git-send-email-maxg@mellanox.com> X-Mailer: git-send-email 1.7.8.2 In-Reply-To: <1551981764-26557-1-git-send-email-maxg@mellanox.com> References: <1551981764-26557-1-git-send-email-maxg@mellanox.com> Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This element will describe the needed characteristics for the signature operation per signature enabled memory region (type IB_MR_TYPE_INTEGRITY). Signed-off-by: Max Gurtovoy Signed-off-by: Israel Rukshin Reviewed-by: Sagi Grimberg --- drivers/infiniband/core/uverbs_cmd.c | 1 + drivers/infiniband/core/verbs.c | 13 ++++++++++++- include/rdma/ib_verbs.h | 2 +- 3 files changed, 14 insertions(+), 2 deletions(-) diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index 72c5a8daf558..699fbcf68d06 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -739,6 +739,7 @@ static int ib_uverbs_reg_mr(struct uverbs_attr_bundle *attrs) mr->pd = pd; mr->type = IB_MR_TYPE_MEM_REG; mr->dm = NULL; + mr->sig_attrs = NULL; mr->uobject = uobj; atomic_inc(&pd->usecnt); mr->res.type = RDMA_RESTRACK_MR; diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c index 5717a987a6c5..a22bb131191b 100644 --- a/drivers/infiniband/core/verbs.c +++ b/drivers/infiniband/core/verbs.c @@ -1947,6 +1947,7 @@ int ib_dereg_mr(struct ib_mr *mr) { struct ib_pd *pd = mr->pd; struct ib_dm *dm = mr->dm; + struct ib_sig_attrs *sig_attrs = mr->sig_attrs; int ret; rdma_restrack_del(&mr->res); @@ -1955,6 +1956,7 @@ int ib_dereg_mr(struct ib_mr *mr) atomic_dec(&pd->usecnt); if (dm) atomic_dec(&dm->usecnt); + kfree(sig_attrs); } return ret; @@ -1996,6 +1998,7 @@ struct ib_mr *ib_alloc_mr(struct ib_pd *pd, mr->res.type = RDMA_RESTRACK_MR; rdma_restrack_kadd(&mr->res); mr->type = mr_type; + mr->sig_attrs = NULL; } return mr; @@ -2019,6 +2022,7 @@ struct ib_mr *ib_alloc_mr_integrity(struct ib_pd *pd, u32 max_num_meta_sg) { struct ib_mr *mr; + struct ib_sig_attrs *sig_attrs; if (!pd->device->ops.alloc_mr_integrity || !pd->device->ops.map_mr_sg_pi) @@ -2027,10 +2031,16 @@ struct ib_mr *ib_alloc_mr_integrity(struct ib_pd *pd, if (!max_num_meta_sg) return ERR_PTR(-EINVAL); + sig_attrs = kzalloc(sizeof(struct ib_sig_attrs), GFP_KERNEL); + if (!sig_attrs) + return ERR_PTR(-ENOMEM); + mr = pd->device->ops.alloc_mr_integrity(pd, max_num_data_sg, max_num_meta_sg); - if (IS_ERR(mr)) + if (IS_ERR(mr)) { + kfree(sig_attrs); return mr; + } mr->device = pd->device; mr->pd = pd; @@ -2041,6 +2051,7 @@ struct ib_mr *ib_alloc_mr_integrity(struct ib_pd *pd, mr->res.type = RDMA_RESTRACK_MR; rdma_restrack_kadd(&mr->res); mr->type = IB_MR_TYPE_INTEGRITY; + mr->sig_attrs = sig_attrs; return mr; } diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 6c79675704aa..e82260895778 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -1707,7 +1707,7 @@ struct ib_mr { }; struct ib_dm *dm; - + struct ib_sig_attrs *sig_attrs; /* only for IB_MR_TYPE_INTEGRITY MRs */ /* * Implementation details of the RDMA core, don't use in drivers: */