From patchwork Sat Feb 23 12:01:22 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Lijun Ou X-Patchwork-Id: 10827457 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 81DC0180E for ; Sat, 23 Feb 2019 11:19:30 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6E5992A6C9 for ; Sat, 23 Feb 2019 11:19:30 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 62AB92E58F; Sat, 23 Feb 2019 11:19:30 +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 093D62E215 for ; Sat, 23 Feb 2019 11:19:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727916AbfBWLT3 (ORCPT ); Sat, 23 Feb 2019 06:19:29 -0500 Received: from szxga05-in.huawei.com ([45.249.212.191]:4279 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727764AbfBWLT2 (ORCPT ); Sat, 23 Feb 2019 06:19:28 -0500 Received: from DGGEMS403-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id 994741AB977FD29F1900; Sat, 23 Feb 2019 19:19:22 +0800 (CST) Received: from linux-ioko.site (10.71.200.31) by DGGEMS403-HUB.china.huawei.com (10.3.19.203) with Microsoft SMTP Server id 14.3.408.0; Sat, 23 Feb 2019 19:19:13 +0800 From: Lijun Ou To: , CC: , , Subject: [PATCH V2 for-next 2/8] RDMA/hns: only assign the fields of rq' psn if IB_QP_RQ_PSN is set Date: Sat, 23 Feb 2019 20:01:22 +0800 Message-ID: <1550923288-31997-3-git-send-email-oulijun@huawei.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1550923288-31997-1-git-send-email-oulijun@huawei.com> References: <1550923288-31997-1-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 Only when the IB_QP_RQ_PSN flags of attr_mask is set， it is valid to assign the relatived fields of rq'psn into the qp context when modified qp. Signed-off-by: Lijun Ou --- drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 28 ++++++++++++++++------------ 1 file changed, 16 insertions(+), 12 deletions(-) diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index d1f04e6..4e1e33d 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -3670,13 +3670,6 @@ static int modify_qp_init_to_rtr(struct ib_qp *ibqp, V2_QPC_BYTE_104_RQ_NXT_BLK_ADDR_M, V2_QPC_BYTE_104_RQ_NXT_BLK_ADDR_S, 0); - roce_set_field(context->byte_108_rx_reqepsn, - V2_QPC_BYTE_108_RX_REQ_EPSN_M, - V2_QPC_BYTE_108_RX_REQ_EPSN_S, attr->rq_psn); - roce_set_field(qpc_mask->byte_108_rx_reqepsn, - V2_QPC_BYTE_108_RX_REQ_EPSN_M, - V2_QPC_BYTE_108_RX_REQ_EPSN_S, 0); - roce_set_field(context->byte_132_trrl, V2_QPC_BYTE_132_TRRL_BA_M, V2_QPC_BYTE_132_TRRL_BA_S, dma_handle_3 >> 4); roce_set_field(qpc_mask->byte_132_trrl, V2_QPC_BYTE_132_TRRL_BA_M, @@ -3784,11 +3777,6 @@ static int modify_qp_init_to_rtr(struct ib_qp *ibqp, context->rq_rnr_timer = 0; qpc_mask->rq_rnr_timer = 0; - roce_set_field(context->byte_152_raq, V2_QPC_BYTE_152_RAQ_PSN_M, - V2_QPC_BYTE_152_RAQ_PSN_S, attr->rq_psn - 1); - roce_set_field(qpc_mask->byte_152_raq, V2_QPC_BYTE_152_RAQ_PSN_M, - V2_QPC_BYTE_152_RAQ_PSN_S, 0); - roce_set_field(qpc_mask->byte_132_trrl, V2_QPC_BYTE_132_TRRL_HEAD_MAX_M, V2_QPC_BYTE_132_TRRL_HEAD_MAX_S, 0); roce_set_field(qpc_mask->byte_132_trrl, V2_QPC_BYTE_132_TRRL_TAIL_MAX_M, @@ -4202,6 +4190,22 @@ static int hns_roce_v2_modify_qp(struct ib_qp *ibqp, if (attr_mask & (IB_QP_ACCESS_FLAGS | IB_QP_MAX_DEST_RD_ATOMIC)) set_access_flags(hr_qp, context, qpc_mask, attr, attr_mask); + /* RC&UC required attr */ + if (attr_mask & IB_QP_RQ_PSN) { + roce_set_field(context->byte_108_rx_reqepsn, + V2_QPC_BYTE_108_RX_REQ_EPSN_M, + V2_QPC_BYTE_108_RX_REQ_EPSN_S, attr->rq_psn); + roce_set_field(qpc_mask->byte_108_rx_reqepsn, + V2_QPC_BYTE_108_RX_REQ_EPSN_M, + V2_QPC_BYTE_108_RX_REQ_EPSN_S, 0); + + roce_set_field(context->byte_152_raq, V2_QPC_BYTE_152_RAQ_PSN_M, + V2_QPC_BYTE_152_RAQ_PSN_S, attr->rq_psn - 1); + roce_set_field(qpc_mask->byte_152_raq, + V2_QPC_BYTE_152_RAQ_PSN_M, + V2_QPC_BYTE_152_RAQ_PSN_S, 0); + } + roce_set_bit(context->byte_108_rx_reqepsn, V2_QPC_BYTE_108_INV_CREDIT_S, ibqp->srq ? 1 : 0); roce_set_bit(qpc_mask->byte_108_rx_reqepsn,