From patchwork Thu Jun 10 11:19:50 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Weihang Li X-Patchwork-Id: 12312727 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 4EE38C47094 for ; Thu, 10 Jun 2021 11:20:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 37293613DF for ; Thu, 10 Jun 2021 11:20:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230215AbhFJLWK (ORCPT ); Thu, 10 Jun 2021 07:22:10 -0400 Received: from szxga03-in.huawei.com ([45.249.212.189]:5371 "EHLO szxga03-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229935AbhFJLWJ (ORCPT ); Thu, 10 Jun 2021 07:22:09 -0400 Received: from dggemv703-chm.china.huawei.com (unknown [172.30.72.57]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4G11cx5shxz6w5B; Thu, 10 Jun 2021 19:16:17 +0800 (CST) Received: from dggema753-chm.china.huawei.com (10.1.198.195) by dggemv703-chm.china.huawei.com (10.3.19.46) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.1.2176.2; Thu, 10 Jun 2021 19:20:10 +0800 Received: from localhost.localdomain (10.69.192.56) by dggema753-chm.china.huawei.com (10.1.198.195) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Thu, 10 Jun 2021 19:20:10 +0800 From: Weihang Li To: , CC: , , , "Xi Wang" , Weihang Li Subject: [PATCH v2 for-next] RDMA/hns: Clear extended doorbell info before using Date: Thu, 10 Jun 2021 19:19:50 +0800 Message-ID: <1623323990-62343-1-git-send-email-liweihang@huawei.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 X-Originating-IP: [10.69.192.56] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To dggema753-chm.china.huawei.com (10.1.198.195) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org From: Xi Wang Both of HIP08 and HIP09 require the extended doorbell information to be cleared before being used. Fixes: 6b63597d3540 ("RDMA/hns: Add TSQ link table support") Signed-off-by: Xi Wang Signed-off-by: Weihang Li --- Changes since v1: - Add fixes tag. - Add check for return value of hns_roce_clear_extdb_list_info(). - Link: https://patchwork.kernel.org/project/linux-rdma/patch/1623237065-43344-1-git-send-email-liweihang@huawei.com/ drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 21 +++++++++++++++++++++ drivers/infiniband/hw/hns/hns_roce_hw_v2.h | 1 + 2 files changed, 22 insertions(+) diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index fbc45b9..d24ac5c 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -1572,6 +1572,22 @@ static void hns_roce_function_clear(struct hns_roce_dev *hr_dev) } } +static int hns_roce_clear_extdb_list_info(struct hns_roce_dev *hr_dev) +{ + struct hns_roce_cmq_desc desc; + int ret; + + hns_roce_cmq_setup_basic_desc(&desc, HNS_ROCE_OPC_CLEAR_EXTDB_LIST_INFO, + false); + ret = hns_roce_cmq_send(hr_dev, &desc, 1); + if (ret) + ibdev_err(&hr_dev->ib_dev, + "failed to clear extended doorbell info, ret = %d.\n", + ret); + + return ret; +} + static int hns_roce_query_fw_ver(struct hns_roce_dev *hr_dev) { struct hns_roce_query_fw_info *resp; @@ -2684,6 +2700,11 @@ static int hns_roce_v2_init(struct hns_roce_dev *hr_dev) if (ret) return ret; + /* The hns ROCEE requires the extdb info to be cleared before using */ + ret = hns_roce_clear_extdb_list_info(hr_dev); + if (ret) + return ret; + if (hr_dev->is_vf) return 0; diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h index cd361c0..073e835 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h @@ -250,6 +250,7 @@ enum hns_roce_opcode_type { HNS_ROCE_OPC_CLR_SCCC = 0x8509, HNS_ROCE_OPC_QUERY_SCCC = 0x850a, HNS_ROCE_OPC_RESET_SCCC = 0x850b, + HNS_ROCE_OPC_CLEAR_EXTDB_LIST_INFO = 0x850d, HNS_ROCE_OPC_QUERY_VF_RES = 0x850e, HNS_ROCE_OPC_CFG_GMV_TBL = 0x850f, HNS_ROCE_OPC_CFG_GMV_BT = 0x8510,