From patchwork Thu Apr 16 08:05:59 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Wang X-Patchwork-Id: 6224301 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 70F1ABF4A6 for ; Thu, 16 Apr 2015 08:06:29 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 86458201BC for ; Thu, 16 Apr 2015 08:06:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 959C220270 for ; Thu, 16 Apr 2015 08:06:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756977AbbDPIGV (ORCPT ); Thu, 16 Apr 2015 04:06:21 -0400 Received: from mail-wi0-f177.google.com ([209.85.212.177]:38378 "EHLO mail-wi0-f177.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933661AbbDPIGE (ORCPT ); Thu, 16 Apr 2015 04:06:04 -0400 Received: by wiun10 with SMTP id n10so87398460wiu.1 for ; Thu, 16 Apr 2015 01:06:02 -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=rqkx9JgBUYZ3pmhu01LjCaZSvQp7nKKz/pbMEQ6dRig=; b=DT/k429HduuOCS0jeRbKgXhqJz46D7fOnwMd2nms1WPDEYrQYsft+2NoDgxrImalXp Z4jPzU3VDAZGqJzHW++aaMokOCJG8qR2dQy+5H74R6k+jLPIt3epEpoY6iNGwWhew0qi U6btm4y3qGss3PdnmuLkFQBPZNLcbV6s/iPBOZN5nTpn3gT1+Niz4F9zA45+F83QEZWi H8uOwK6GtPb6Z56P7fTCkwn0542oU0s4ukHqh8LdraJFYcBncYciB0+D9maDKs1JKSaN 8YpIlainmRfW1FSJiFiIsSF4+ntmUD+qYSBcr4Mbflx61LgV2S0kkJ6tzGjZnQ5Y/Rc/ tPRA== X-Gm-Message-State: ALoCoQkJFl2FVvEuXyKm4cp1sU2rvHyZEsmid67y+Fytoe7qmdffk2dvePgu40MvjjgZUoH2UBxz X-Received: by 10.180.19.166 with SMTP id g6mr2836064wie.56.1429171562290; Thu, 16 Apr 2015 01:06:02 -0700 (PDT) Received: from [192.168.71.52] ([62.217.45.26]) by mx.google.com with ESMTPSA id yr1sm9229878wjc.37.2015.04.16.01.06.00 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 16 Apr 2015 01:06:01 -0700 (PDT) Message-ID: <552F6D67.1070509@profitbricks.com> Date: Thu, 16 Apr 2015 10:05:59 +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 , hal@dev.mellanox.co.il, Michael Wang Subject: [PATCH v4 04/27] IB/Verbs: Reform IB-core cm References: <552F6CF2.4000606@profitbricks.com> In-Reply-To: <552F6CF2.4000606@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 cm. 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/cm.c | 22 +++++++++++++++++++--- 1 file changed, 19 insertions(+), 3 deletions(-) diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c index e28a494..50321fe 100644 --- a/drivers/infiniband/core/cm.c +++ b/drivers/infiniband/core/cm.c @@ -3761,9 +3761,7 @@ static void cm_add_one(struct ib_device *ib_device) unsigned long flags; int ret; u8 i; - - if (rdma_node_get_transport(ib_device->node_type) != RDMA_TRANSPORT_IB) - return; + int count = 0; cm_dev = kzalloc(sizeof(*cm_dev) + sizeof(*port) * ib_device->phys_port_cnt, GFP_KERNEL); @@ -3783,6 +3781,9 @@ static void cm_add_one(struct ib_device *ib_device) set_bit(IB_MGMT_METHOD_SEND, reg_req.method_mask); for (i = 1; i <= ib_device->phys_port_cnt; i++) { + if (!rdma_ib_or_iboe(ib_device, i)) + continue; + port = kzalloc(sizeof *port, GFP_KERNEL); if (!port) goto error1; @@ -3809,7 +3810,16 @@ static void cm_add_one(struct ib_device *ib_device) ret = ib_modify_port(ib_device, i, 0, &port_modify); if (ret) goto error3; + + count++; } + + if (!count) { + device_unregister(cm_dev->device); + kfree(cm_dev); + return; + } + ib_set_client_data(ib_device, &cm_client, cm_dev); write_lock_irqsave(&cm.device_lock, flags); @@ -3825,6 +3835,9 @@ error1: port_modify.set_port_cap_mask = 0; port_modify.clr_port_cap_mask = IB_PORT_CM_SUP; while (--i) { + if (!rdma_ib_or_iboe(ib_device, i)) + continue; + port = cm_dev->port[i-1]; ib_modify_port(ib_device, port->port_num, 0, &port_modify); ib_unregister_mad_agent(port->mad_agent); @@ -3853,6 +3866,9 @@ static void cm_remove_one(struct ib_device *ib_device) write_unlock_irqrestore(&cm.device_lock, flags); for (i = 1; i <= ib_device->phys_port_cnt; i++) { + if (!rdma_ib_or_iboe(ib_device, i)) + continue; + port = cm_dev->port[i-1]; ib_modify_port(ib_device, port->port_num, 0, &port_modify); ib_unregister_mad_agent(port->mad_agent);