From patchwork Wed Sep 2 16:57:35 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michal Kalderon X-Patchwork-Id: 1355976 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=marvell.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=marvell.com header.i=@marvell.com header.a=rsa-sha256 header.s=pfpt0220 header.b=Warno8wp; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4BhVWR6Bryz9sTh for ; Thu, 3 Sep 2020 02:58:27 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728358AbgIBQ60 (ORCPT ); Wed, 2 Sep 2020 12:58:26 -0400 Received: from mx0a-0016f401.pphosted.com ([67.231.148.174]:23498 "EHLO mx0b-0016f401.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726623AbgIBQ6S (ORCPT ); Wed, 2 Sep 2020 12:58:18 -0400 Received: from pps.filterd (m0045849.ppops.net [127.0.0.1]) by mx0a-0016f401.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 082GuiEL018400; Wed, 2 Sep 2020 09:58:15 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=pfpt0220; bh=TS8o89UofKf/EN5ITmilRWgETyrlVkEIotOt4/Oyhpg=; b=Warno8wpVJyu5ImdVTubuL2K29uxrYhN+gCdiKL8HMsYjWxdNTbyGHGdsNmgyK3Ro+zl zHn9jIRNwPhKfoA4izkwNLDcfeMNKGIF3luURvNFfCyDRAhVQTOuy9jGzP4ZEiRoroa/ 5mQ86KpXb9lMuXF+9HbfUUIdLqTGaGMbYwK7T8ihasg3lYyVmuHWlu0WrBkAU4CSsNDU 2kKvzqCIcyjXd5RRPmx1Op6Sy8HrZTaK4eq9pzOk8HZeQGmm3VWp5N9V+YqTFTYll59H siXlVV1RVqHvpR5y37zv32a6w/W2T7rJ5ewhXubvfumtChw62rm+zmeTBEK3d2CEeSw9 LA== Received: from sc-exch02.marvell.com ([199.233.58.182]) by mx0a-0016f401.pphosted.com with ESMTP id 337mcqgbff-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Wed, 02 Sep 2020 09:58:15 -0700 Received: from DC5-EXCH01.marvell.com (10.69.176.38) by SC-EXCH02.marvell.com (10.93.176.82) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 2 Sep 2020 09:58:14 -0700 Received: from DC5-EXCH02.marvell.com (10.69.176.39) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 2 Sep 2020 09:58:13 -0700 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 2 Sep 2020 09:58:13 -0700 Received: from lb-tlvb-michal.il.qlogic.org (unknown [10.5.220.215]) by maili.marvell.com (Postfix) with ESMTP id DA54A3F703F; Wed, 2 Sep 2020 09:58:10 -0700 (PDT) From: Michal Kalderon To: , , , , CC: , , Michal Kalderon Subject: [PATCH rdma-next 2/8] RDMA/qedr: Fix doorbell setting Date: Wed, 2 Sep 2020 19:57:35 +0300 Message-ID: <20200902165741.8355-3-michal.kalderon@marvell.com> X-Mailer: git-send-email 2.14.5 In-Reply-To: <20200902165741.8355-1-michal.kalderon@marvell.com> References: <20200902165741.8355-1-michal.kalderon@marvell.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235,18.0.687 definitions=2020-09-02_11:2020-09-02,2020-09-02 signatures=0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Change the doorbell setting so that the maximum value between the last and current value is set. This is to avoid doorbells being lost. Fixes: a7efd7773e31 ("qedr: Add support for PD,PKEY and CQ verbs") Signed-off-by: Michal Kalderon --- drivers/infiniband/hw/qedr/verbs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/qedr/verbs.c b/drivers/infiniband/hw/qedr/verbs.c index e35f2a20bfdf..62fe9fc40f42 100644 --- a/drivers/infiniband/hw/qedr/verbs.c +++ b/drivers/infiniband/hw/qedr/verbs.c @@ -999,7 +999,7 @@ int qedr_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr, /* Generate doorbell address. */ cq->db.data.icid = cq->icid; cq->db_addr = dev->db_addr + db_offset; - cq->db.data.params = DB_AGG_CMD_SET << + cq->db.data.params = DB_AGG_CMD_MAX << RDMA_PWM_VAL32_DATA_AGG_CMD_SHIFT; /* point to the very last element, passing it we will toggle */