From patchwork Mon Apr 13 12:24:18 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Wang X-Patchwork-Id: 6207681 Return-Path: X-Original-To: patchwork-linux-rdma@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 4FC8FBF4A6 for ; Mon, 13 Apr 2015 12:24:37 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 5E7BE20265 for ; Mon, 13 Apr 2015 12:24:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 45366201CD for ; Mon, 13 Apr 2015 12:24:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754080AbbDMMYX (ORCPT ); Mon, 13 Apr 2015 08:24:23 -0400 Received: from mail-wi0-f181.google.com ([209.85.212.181]:36934 "EHLO mail-wi0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753751AbbDMMYW (ORCPT ); Mon, 13 Apr 2015 08:24:22 -0400 Received: by widdi4 with SMTP id di4so49408996wid.0 for ; Mon, 13 Apr 2015 05:24:21 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:message-id:date:from:user-agent:mime-version:to :cc:subject:references:in-reply-to:content-type :content-transfer-encoding; bh=sSVOSZFwhdpVoVV0eR5VJLRgwe63k8U7fSfGgGU69ho=; b=kG8ASDzLVES+snB0SKnzxYXzqKtRhm9A4rvV2LyYh/iLo78jQ1Ofl95xLmAcIF8fSn DNal5V+N18mLMaboeeVU3IUFNvSNywyJgJ+m4DjPKh9v4/rdaMqtXCB7TSa8xthPctvc IpKHsk9sI4n2wXmy6SznZZ2IAjm7WQSQ3fOSzmgDtbJFlQKD8+drvaCGixEENLpYWn98 /f+0ILilFTluLdA950dy+ShhKyY5uQ+ZKGXnpnYco7hQUvPyS+4u8emiGPG1HzwgmVYt 3GzFvcipKAOvwM1wEt84JLHyVe0bqNGXxz+M55V3/xAdXhSLlJ/Opb5MpxmLjPrMtjDM z4VQ== X-Gm-Message-State: ALoCoQnWrh9jX5laYB5ii0FiYULoPkQKZVb0uKHGV9iNrR3TaXAT/G9Buer7u8wmYGsk0neCrVAL X-Received: by 10.194.11.73 with SMTP id o9mr27928350wjb.116.1428927861353; Mon, 13 Apr 2015 05:24:21 -0700 (PDT) Received: from [192.168.71.52] ([62.217.45.26]) by mx.google.com with ESMTPSA id fs9sm11280691wjc.34.2015.04.13.05.24.19 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 13 Apr 2015 05:24:20 -0700 (PDT) Message-ID: <552BB572.4040300@profitbricks.com> Date: Mon, 13 Apr 2015 14:24:18 +0200 From: Michael Wang User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.6.0 MIME-Version: 1.0 To: Roland Dreier , Sean Hefty , Hal Rosenstock , linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org CC: Tom Tucker , Steve Wise , Hoang-Nam Nguyen , Christoph Raisch , Mike Marciniszyn , Eli Cohen , Faisal Latif , Jack Morgenstein , Or Gerlitz , Haggai Eran , Ira Weiny , Tom Talpey , Jason Gunthorpe , Doug Ledford , Michael Wang Subject: [PATCH v3 05/28] IB/Verbs: Reform IB-core sa_query References: <552BB470.4090407@profitbricks.com> In-Reply-To: <552BB470.4090407@profitbricks.com> Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Use raw management helpers to reform IB-core sa_query. Cc: Steve Wise Cc: Tom Talpey Cc: Jason Gunthorpe Cc: Doug Ledford Cc: Ira Weiny Cc: Sean Hefty Signed-off-by: Michael Wang --- drivers/infiniband/core/sa_query.c | 29 ++++++++++++++++++----------- 1 file changed, 18 insertions(+), 11 deletions(-) diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c index c38f030..803ccf7 100644 --- a/drivers/infiniband/core/sa_query.c +++ b/drivers/infiniband/core/sa_query.c @@ -450,7 +450,7 @@ static void ib_sa_event(struct ib_event_handler *handler, struct ib_event *event struct ib_sa_port *port = &sa_dev->port[event->element.port_num - sa_dev->start_port]; - if (rdma_port_get_link_layer(handler->device, port->port_num) != IB_LINK_LAYER_INFINIBAND) + if (WARN_ON(!rdma_tech_ib(handler->device, port->port_num))) return; spin_lock_irqsave(&port->ah_lock, flags); @@ -540,7 +540,7 @@ int ib_init_ah_from_path(struct ib_device *device, u8 port_num, ah_attr->port_num = port_num; ah_attr->static_rate = rec->rate; - force_grh = rdma_port_get_link_layer(device, port_num) == IB_LINK_LAYER_ETHERNET; + force_grh = rdma_tech_iboe(device, port_num); if (rec->hop_limit > 1 || force_grh) { ah_attr->ah_flags = IB_AH_GRH; @@ -1153,9 +1153,7 @@ static void ib_sa_add_one(struct ib_device *device) { struct ib_sa_device *sa_dev; int s, e, i; - - if (rdma_node_get_transport(device->node_type) != RDMA_TRANSPORT_IB) - return; + int count = 0; if (device->node_type == RDMA_NODE_IB_SWITCH) s = e = 0; @@ -1175,7 +1173,7 @@ static void ib_sa_add_one(struct ib_device *device) for (i = 0; i <= e - s; ++i) { spin_lock_init(&sa_dev->port[i].ah_lock); - if (rdma_port_get_link_layer(device, i + 1) != IB_LINK_LAYER_INFINIBAND) + if (!rdma_tech_ib(device, i + 1)) continue; sa_dev->port[i].sm_ah = NULL; @@ -1189,6 +1187,13 @@ static void ib_sa_add_one(struct ib_device *device) goto err; INIT_WORK(&sa_dev->port[i].update_task, update_sm_ah); + + count++; + } + + if (!count) { + kfree(sa_dev); + return; } ib_set_client_data(device, &sa_client, sa_dev); @@ -1204,16 +1209,18 @@ static void ib_sa_add_one(struct ib_device *device) if (ib_register_event_handler(&sa_dev->event_handler)) goto err; - for (i = 0; i <= e - s; ++i) - if (rdma_port_get_link_layer(device, i + 1) == IB_LINK_LAYER_INFINIBAND) + for (i = 0; i <= e - s; ++i) { + if (rdma_tech_ib(device, i + 1)) update_sm_ah(&sa_dev->port[i].update_task); + } return; err: - while (--i >= 0) - if (rdma_port_get_link_layer(device, i + 1) == IB_LINK_LAYER_INFINIBAND) + while (--i >= 0) { + if (rdma_tech_ib(device, i + 1)) ib_unregister_mad_agent(sa_dev->port[i].agent); + } kfree(sa_dev); @@ -1233,7 +1240,7 @@ static void ib_sa_remove_one(struct ib_device *device) flush_workqueue(ib_wq); for (i = 0; i <= sa_dev->end_port - sa_dev->start_port; ++i) { - if (rdma_port_get_link_layer(device, i + 1) == IB_LINK_LAYER_INFINIBAND) { + if (rdma_tech_ib(device, i + 1)) { ib_unregister_mad_agent(sa_dev->port[i].agent); if (sa_dev->port[i].sm_ah) kref_put(&sa_dev->port[i].sm_ah->ref, free_sm_ah);