From patchwork Thu Mar 26 03:40:17 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Weihang Li X-Patchwork-Id: 11459205 X-Patchwork-Delegate: jgg@ziepe.ca Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id BD74F159A for ; Thu, 26 Mar 2020 03:44:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A823620719 for ; Thu, 26 Mar 2020 03:44:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727612AbgCZDoR (ORCPT ); Wed, 25 Mar 2020 23:44:17 -0400 Received: from szxga07-in.huawei.com ([45.249.212.35]:34438 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727647AbgCZDoR (ORCPT ); Wed, 25 Mar 2020 23:44:17 -0400 Received: from DGGEMS403-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id 9EB5C7779D08CF2D859C; Thu, 26 Mar 2020 11:44:12 +0800 (CST) Received: from localhost.localdomain (10.67.165.24) by DGGEMS403-HUB.china.huawei.com (10.3.19.203) with Microsoft SMTP Server id 14.3.487.0; Thu, 26 Mar 2020 11:44:04 +0800 From: Weihang Li To: , CC: , , Subject: [PATCH for-next 2/3] RDMA/hns: Reduce the maximum number of extend SGE per WQE Date: Thu, 26 Mar 2020 11:40:17 +0800 Message-ID: <1585194018-4381-3-git-send-email-liweihang@huawei.com> X-Mailer: git-send-email 2.8.1 In-Reply-To: <1585194018-4381-1-git-send-email-liweihang@huawei.com> References: <1585194018-4381-1-git-send-email-liweihang@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.67.165.24] X-CFilter-Loop: Reflected Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org From: Lang Cheng Just reduce the default number to 64 for backward compatibility, the driver can still get this configuration from the firmware. Signed-off-by: Lang Cheng Signed-off-by: Weihang Li --- drivers/infiniband/hw/hns/hns_roce_hw_v2.h | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h index 2a117ff..4f90ef7 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h @@ -50,15 +50,14 @@ #define HNS_ROCE_V2_MAX_WQE_NUM 0x8000 #define HNS_ROCE_V2_MAX_SRQ 0x100000 #define HNS_ROCE_V2_MAX_SRQ_WR 0x8000 -#define HNS_ROCE_V2_MAX_SRQ_SGE 0x100 +#define HNS_ROCE_V2_MAX_SRQ_SGE 64 #define HNS_ROCE_V2_MAX_CQ_NUM 0x100000 #define HNS_ROCE_V2_MAX_CQC_TIMER_NUM 0x100 #define HNS_ROCE_V2_MAX_SRQ_NUM 0x100000 #define HNS_ROCE_V2_MAX_CQE_NUM 0x400000 #define HNS_ROCE_V2_MAX_SRQWQE_NUM 0x8000 -#define HNS_ROCE_V2_MAX_RQ_SGE_NUM 0x100 -#define HNS_ROCE_V2_MAX_SQ_SGE_NUM 0xff -#define HNS_ROCE_V2_MAX_SRQ_SGE_NUM 0x100 +#define HNS_ROCE_V2_MAX_RQ_SGE_NUM 64 +#define HNS_ROCE_V2_MAX_SQ_SGE_NUM 64 #define HNS_ROCE_V2_MAX_EXTEND_SGE_NUM 0x200000 #define HNS_ROCE_V2_MAX_SQ_INLINE 0x20 #define HNS_ROCE_V2_UAR_NUM 256