From patchwork Thu Sep 6 08:49:57 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yixian Liu X-Patchwork-Id: 10590077 X-Patchwork-Delegate: jgg@ziepe.ca 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 3F3A25A4 for ; Thu, 6 Sep 2018 08:51:31 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1B17A2A536 for ; Thu, 6 Sep 2018 08:51:31 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0D3ED2A57F; Thu, 6 Sep 2018 08:51:31 +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 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 B13E22A536 for ; Thu, 6 Sep 2018 08:51:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728130AbeIFNZx (ORCPT ); Thu, 6 Sep 2018 09:25:53 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:11644 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728126AbeIFNZw (ORCPT ); Thu, 6 Sep 2018 09:25:52 -0400 Received: from DGGEMS402-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id 412AB366A2523; Thu, 6 Sep 2018 16:51:26 +0800 (CST) Received: from localhost.localdomain (10.67.212.132) by DGGEMS402-HUB.china.huawei.com (10.3.19.202) with Microsoft SMTP Server id 14.3.399.0; Thu, 6 Sep 2018 16:51:24 +0800 From: Yixian Liu To: , CC: , Subject: [PATCH rdma-core 2/3] libhns: Add dealloc mw support for hip08 Date: Thu, 6 Sep 2018 16:49:57 +0800 Message-ID: <1536223798-21227-3-git-send-email-liuyixian@huawei.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1536223798-21227-1-git-send-email-liuyixian@huawei.com> References: <1536223798-21227-1-git-send-email-liuyixian@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.67.212.132] X-CFilter-Loop: Reflected 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 patch adds memory window (mw) deallocation support in user space driver. Signed-off-by: Yixian Liu --- providers/hns/hns_roce_u.c | 1 + providers/hns/hns_roce_u.h | 1 + providers/hns/hns_roce_u_verbs.c | 13 +++++++++++++ 3 files changed, 15 insertions(+) diff --git a/providers/hns/hns_roce_u.c b/providers/hns/hns_roce_u.c index dd0e8fb..7a59644 100644 --- a/providers/hns/hns_roce_u.c +++ b/providers/hns/hns_roce_u.c @@ -76,6 +76,7 @@ static const struct verbs_context_ops hns_common_ops = { .reg_mr = hns_roce_u_reg_mr, .rereg_mr = hns_roce_u_rereg_mr, .alloc_mw = hns_roce_u_alloc_mw, + .dealloc_mw = hns_roce_u_dealloc_mw, }; static struct verbs_context *hns_roce_alloc_context(struct ibv_device *ibdev, diff --git a/providers/hns/hns_roce_u.h b/providers/hns/hns_roce_u.h index f023b6a..ac75533 100644 --- a/providers/hns/hns_roce_u.h +++ b/providers/hns/hns_roce_u.h @@ -276,6 +276,7 @@ int hns_roce_u_rereg_mr(struct verbs_mr *mr, int flags, struct ibv_pd *pd, int hns_roce_u_dereg_mr(struct verbs_mr *mr); struct ibv_mw *hns_roce_u_alloc_mw(struct ibv_pd *pd, enum ibv_mw_type type); +int hns_roce_u_dealloc_mw(struct ibv_mw *mw); struct ibv_cq *hns_roce_u_create_cq(struct ibv_context *context, int cqe, struct ibv_comp_channel *channel, diff --git a/providers/hns/hns_roce_u_verbs.c b/providers/hns/hns_roce_u_verbs.c index be14430..5a5e767 100644 --- a/providers/hns/hns_roce_u_verbs.c +++ b/providers/hns/hns_roce_u_verbs.c @@ -194,6 +194,19 @@ struct ibv_mw *hns_roce_u_alloc_mw(struct ibv_pd *pd, enum ibv_mw_type type) return mw; } +int hns_roce_u_dealloc_mw(struct ibv_mw *mw) +{ + int ret; + + ret = ibv_cmd_dealloc_mw(mw); + if (ret) + return ret; + + free(mw); + + return ret; +} + static int align_cq_size(int req) { int nent;