From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E4952C83020 for ; Mon, 16 Nov 2020 12:38:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A7EDC20855 for ; Mon, 16 Nov 2020 12:38:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726614AbgKPMAZ (ORCPT ); Mon, 16 Nov 2020 07:00:25 -0500 Received: from szxga07-in.huawei.com ([45.249.212.35]:7917 "EHLO szxga07-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726274AbgKPMAZ (ORCPT ); Mon, 16 Nov 2020 07:00:25 -0500 Received: from DGGEMS409-HUB.china.huawei.com (unknown [172.30.72.58]) by szxga07-in.huawei.com (SkyGuard) with ESMTP id 4CZSLc14r6z6xlb; Mon, 16 Nov 2020 20:00:08 +0800 (CST) Received: from localhost.localdomain (10.67.165.24) by DGGEMS409-HUB.china.huawei.com (10.3.19.209) with Microsoft SMTP Server id 14.3.487.0; Mon, 16 Nov 2020 20:00:12 +0800 From: Weihang Li To: , CC: , , Subject: [PATCH v2 for-next 0/2] RDMA/hns: Add supports for stash Date: Mon, 16 Nov 2020 19:58:37 +0800 Message-ID: <1605527919-48769-1-git-send-email-liweihang@huawei.com> X-Mailer: git-send-email 2.8.1 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.67.165.24] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org Stash is a mechanism that uses the core information carried by the ARM AXI bus to access the L3 cache. The CPU and I/O subsystems can access the L3 cache consistently by enabling stash, so the performance can be improved. Changes since v1: - Fix comments from Jason about the unused macros. - Rewrite hr_reg_set() to make it easier for driver to define and set a field. link: https://patchwork.kernel.org/project/linux-rdma/cover/1601458452-55263-1-git-send-email-liweihang@huawei.com/ Lang Cheng (2): RDMA/hns: Add support for CQ stash RDMA/hns: Add support for QP stash drivers/infiniband/hw/hns/hns_roce_common.h | 12 +++++++++ drivers/infiniband/hw/hns/hns_roce_device.h | 1 + drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 9 +++++++ drivers/infiniband/hw/hns/hns_roce_hw_v2.h | 41 ++++++++++++++++++----------- 4 files changed, 47 insertions(+), 16 deletions(-) -- 2.8.1