From patchwork Mon Jun 24 10:28:06 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michal Kalderon X-Patchwork-Id: 1121224 Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; 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.b="JbsaoLLU"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 45XQXC0PW9z9s4Y for ; Mon, 24 Jun 2019 20:29:47 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728936AbfFXK3p (ORCPT ); Mon, 24 Jun 2019 06:29:45 -0400 Received: from mx0b-0016f401.pphosted.com ([67.231.156.173]:9486 "EHLO mx0b-0016f401.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726716AbfFXK3o (ORCPT ); Mon, 24 Jun 2019 06:29:44 -0400 Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x5OAP1ar024324; Mon, 24 Jun 2019 03:29:38 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : mime-version : content-type; s=pfpt0818; bh=kIvSjjJLemcqITMyyko8l9L5PB29ZI1VuBEq4O2sqsk=; b=JbsaoLLUjcepiZ+oC2R2t1cEWfgTeLzKenxk55oGYgmM9VD+dn/DivVZD/YibjLwkxJC 8SRXeNrk7X6mcmaondFeKDsHIVet1sZYB8keHuccHZZQpQrBWeHnz2xpFvhVrk/EyXuS 70mhwiKWODiJbRpwAcihkz0etf4hiSI2dmKz4kdFPpnYEoM6nIU70KLXfhAdsrumDGAc JGXrsqTuotVVsq4SWVvjFFnHbFHose6E3eE7A/dejsV0Ufc8X/CirPVwm2Vj9VTQkeyI QBRyE+W0ibk9IJ/iFrgB489AKXifgxxVpjFRd9AWoo6rfj4oCraSKo7DhtF0LUHmUsKq wg== Received: from sc-exch04.marvell.com ([199.233.58.184]) by mx0b-0016f401.pphosted.com with ESMTP id 2t9kuje9s0-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Mon, 24 Jun 2019 03:29:38 -0700 Received: from SC-EXCH01.marvell.com (10.93.176.81) by SC-EXCH04.marvell.com (10.93.176.84) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Mon, 24 Jun 2019 03:29:36 -0700 Received: from maili.marvell.com (10.93.176.43) by SC-EXCH01.marvell.com (10.93.176.81) with Microsoft SMTP Server id 15.0.1367.3 via Frontend Transport; Mon, 24 Jun 2019 03:29:36 -0700 Received: from lb-tlvb-michal.il.qlogic.org (unknown [10.5.220.215]) by maili.marvell.com (Postfix) with ESMTP id C1C103F703F; Mon, 24 Jun 2019 03:29:34 -0700 (PDT) From: Michal Kalderon To: , , , CC: , , Subject: [PATCH v4 rdma-next 0/3] RDMA/qedr: Use the doorbell overflow recovery mechanism for RDMA Date: Mon, 24 Jun 2019 13:28:06 +0300 Message-ID: <20190624102809.8793-1-michal.kalderon@marvell.com> X-Mailer: git-send-email 2.14.5 MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-06-24_08:, , signatures=0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org This patch series used the doorbell overflow recovery mechanism introduced in commit 36907cd5cd72 ("qed: Add doorbell overflow recovery mechanism") for rdma ( RoCE and iWARP ) rdma-core pull request #493 Changes from V3: - Remove casts from void to u8. Pointer arithmetic can be done on void - rebase to tip of rdma-next Changes from V2: - Don't use long-lived kmap. Instead use user-trigger mmap for the doorbell recovery entries. - Modify dpi_addr to be denoted with __iomem and avoid redundant casts Changes from V1: - call kmap to map virtual address into kernel space - modify db_rec_delete to be void - remove some cpu_to_le16 that were added to previous patch which are correct but not related to the overflow recovery mechanism. Will be submitted as part of a different patch Michal Kalderon (3): qed*: Change dpi_addr to be denoted with __iomem RDMA/qedr: Add doorbell overflow recovery support RDMA/qedr: Add iWARP doorbell recovery support drivers/infiniband/hw/qedr/main.c | 2 +- drivers/infiniband/hw/qedr/qedr.h | 27 +- drivers/infiniband/hw/qedr/verbs.c | 386 ++++++++++++++++++++++++----- drivers/net/ethernet/qlogic/qed/qed_rdma.c | 5 +- include/linux/qed/qed_rdma_if.h | 2 +- include/uapi/rdma/qedr-abi.h | 25 ++ 6 files changed, 376 insertions(+), 71 deletions(-)