From patchwork Tue Jul 30 08:56:38 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lijun Ou X-Patchwork-Id: 11065261 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 9768E1395 for ; Tue, 30 Jul 2019 09:00:57 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 87F882842D for ; Tue, 30 Jul 2019 09:00:57 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7C9C6284F1; Tue, 30 Jul 2019 09:00:57 +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 226AE2842D for ; Tue, 30 Jul 2019 09:00:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730465AbfG3JA4 (ORCPT ); Tue, 30 Jul 2019 05:00:56 -0400 Received: from szxga06-in.huawei.com ([45.249.212.32]:53844 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1730144AbfG3JA4 (ORCPT ); Tue, 30 Jul 2019 05:00:56 -0400 Received: from DGGEMS406-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 757F7E1E986870529323; Tue, 30 Jul 2019 17:00:53 +0800 (CST) Received: from linux-ioko.site (10.71.200.31) by DGGEMS406-HUB.china.huawei.com (10.3.19.206) with Microsoft SMTP Server id 14.3.439.0; Tue, 30 Jul 2019 17:00:44 +0800 From: Lijun Ou To: , CC: , , Subject: [PATCH for-next 01/13] RDMA/hns: Encapsulate some lines for setting sq size in user mode Date: Tue, 30 Jul 2019 16:56:38 +0800 Message-ID: <1564477010-29804-2-git-send-email-oulijun@huawei.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1564477010-29804-1-git-send-email-oulijun@huawei.com> References: <1564477010-29804-1-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 check the sq size with integrity when configures the relatived parameters of sq. Here moves the relatived code into a special function. Signed-off-by: Lijun Ou --- drivers/infiniband/hw/hns/hns_roce_qp.c | 29 ++++++++++++++++++++++------- 1 file changed, 22 insertions(+), 7 deletions(-) diff --git a/drivers/infiniband/hw/hns/hns_roce_qp.c b/drivers/infiniband/hw/hns/hns_roce_qp.c index 9c272c2..35ef7e2 100644 --- a/drivers/infiniband/hw/hns/hns_roce_qp.c +++ b/drivers/infiniband/hw/hns/hns_roce_qp.c @@ -324,16 +324,12 @@ static int hns_roce_set_rq_size(struct hns_roce_dev *hr_dev, return 0; } -static int hns_roce_set_user_sq_size(struct hns_roce_dev *hr_dev, - struct ib_qp_cap *cap, - struct hns_roce_qp *hr_qp, - struct hns_roce_ib_create_qp *ucmd) +static int check_sq_size_with_integrity(struct hns_roce_dev *hr_dev, + struct ib_qp_cap *cap, + struct hns_roce_ib_create_qp *ucmd) { u32 roundup_sq_stride = roundup_pow_of_two(hr_dev->caps.max_sq_desc_sz); u8 max_sq_stride = ilog2(roundup_sq_stride); - u32 ex_sge_num; - u32 page_size; - u32 max_cnt; /* Sanity check SQ size before proceeding */ if ((u32)(1 << ucmd->log_sq_bb_count) > hr_dev->caps.max_wqes || @@ -349,6 +345,25 @@ static int hns_roce_set_user_sq_size(struct hns_roce_dev *hr_dev, return -EINVAL; } + return 0; +} + +static int hns_roce_set_user_sq_size(struct hns_roce_dev *hr_dev, + struct ib_qp_cap *cap, + struct hns_roce_qp *hr_qp, + struct hns_roce_ib_create_qp *ucmd) +{ + u32 ex_sge_num; + u32 page_size; + u32 max_cnt; + int ret; + + ret = check_sq_size_with_integrity(hr_dev, cap, ucmd); + if (ret) { + dev_err(hr_dev->dev, "Sanity check sq size fail\n"); + return ret; + } + hr_qp->sq.wqe_cnt = 1 << ucmd->log_sq_bb_count; hr_qp->sq.wqe_shift = ucmd->log_sq_stride;