From patchwork Wed Jan 3 02:44:08 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lijun Ou X-Patchwork-Id: 10141599 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 9C9AB60594 for ; Wed, 3 Jan 2018 02:14:47 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 88C5C28D50 for ; Wed, 3 Jan 2018 02:14:47 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7D73F28F98; Wed, 3 Jan 2018 02:14:47 +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 D0D3128D5B for ; Wed, 3 Jan 2018 02:14:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751055AbeACCOn (ORCPT ); Tue, 2 Jan 2018 21:14:43 -0500 Received: from szxga04-in.huawei.com ([45.249.212.190]:3221 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751034AbeACCOn (ORCPT ); Tue, 2 Jan 2018 21:14:43 -0500 Received: from DGGEMS410-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id 833883A77A37B; Wed, 3 Jan 2018 10:14:29 +0800 (CST) Received: from linux-ioko.site (10.71.200.31) by DGGEMS410-HUB.china.huawei.com (10.3.19.210) with Microsoft SMTP Server id 14.3.361.1; Wed, 3 Jan 2018 10:14:30 +0800 From: Lijun Ou To: , CC: , Subject: [PATCH V5 for-next 6/6] RDMA/hns: Assign dest_qp when deregistering mr Date: Wed, 3 Jan 2018 10:44:08 +0800 Message-ID: <1514947448-40475-7-git-send-email-oulijun@huawei.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1514947448-40475-1-git-send-email-oulijun@huawei.com> References: <1514947448-40475-1-git-send-email-oulijun@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.71.200.31] 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 It needs to create eight reserve QPs for resolving a bug of hip06. When deregistering mr, it will issue a rdma write for every reserve QPs. When modify qp from init to rtr, it needs to set the value of dest_qp_num. Otherwise, it will lead an error of freeing mr. Signed-off-by: Lijun Ou --- V1->V2: - Fix the assginment method for attr_mask becasue it only needs to set IB_QP_DEST_QPN for attr_mask when modify qp from init to rtr state. V1: - The initial submit --- drivers/infiniband/hw/hns/hns_roce_hw_v1.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c index abcc64e..b1007d8 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c @@ -775,7 +775,7 @@ static int hns_roce_v1_rsv_lp_qp(struct hns_roce_dev *hr_dev) goto create_lp_qp_failed; } - ret = hr_dev->hw->modify_qp(&hr_qp->ibqp, &attr, attr_mask, + ret = hr_dev->hw->modify_qp(&hr_qp->ibqp, &attr, IB_QP_DEST_QPN, IB_QPS_INIT, IB_QPS_RTR); if (ret) { dev_err(dev, "modify qp failed(%d)!\n", ret);