From patchwork Mon Apr 20 08:40:04 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Wang X-Patchwork-Id: 6240771 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 A3F6DBF4A6 for ; Mon, 20 Apr 2015 08:40:35 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 938F62035D for ; Mon, 20 Apr 2015 08:40:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 68570201CD for ; Mon, 20 Apr 2015 08:40:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754831AbbDTIkK (ORCPT ); Mon, 20 Apr 2015 04:40:10 -0400 Received: from mail-wi0-f174.google.com ([209.85.212.174]:37773 "EHLO mail-wi0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754338AbbDTIkJ (ORCPT ); Mon, 20 Apr 2015 04:40:09 -0400 Received: by widdi4 with SMTP id di4so82501733wid.0 for ; Mon, 20 Apr 2015 01:40:07 -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=mGaf2XcRJ/GOyxvIU3bjcvOuwtDk8V00f3ewYPFBoQE=; b=MNHkMktbBOu7U4mnNEBq7TgFd0WL8iJv+jwLfPE9VK96rYUD7fyoqDqA8HNRhXHXh4 qyUr19MUHABP1zArIWVqyWa+lG2HWe+DKuY6SaV1Levk51ERbsdkhuuTsz9nMuJx8MQ3 GrdORQ8a6RlgnSUdoP66lpLAMZhRevynEMby1LDC7sfx+zeRiV8v2CoDWXq70FLvoOrn 77eu5LRhkeUBtVLssxO3RNVAO5eC/aTNd5x6SCRvacFxDZd2GKHUDQkARx+AFFXED6Ow CESKoDi9bp3AVzrittYmn9zeWQeLy7YTS5aiZfqECThqVka7yKLbXz+ywOHO6ql7RQG2 0t4A== X-Gm-Message-State: ALoCoQm33wVeeok3koUeLbP6GiRI9HfniRBEQ88MNB5IPlEmNOinTPBBqS9tNm8O9yr6qNMlhJEo X-Received: by 10.180.97.129 with SMTP id ea1mr23832383wib.24.1429519207523; Mon, 20 Apr 2015 01:40:07 -0700 (PDT) Received: from [192.168.71.52] ([62.217.45.26]) by mx.google.com with ESMTPSA id dq4sm14219982wid.17.2015.04.20.01.40.05 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 20 Apr 2015 01:40:06 -0700 (PDT) Message-ID: <5534BB64.10402@profitbricks.com> Date: Mon, 20 Apr 2015 10:40:04 +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 , linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org, hal@dev.mellanox.co.il CC: Michael Wang , 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 Subject: [PATCH v5 18/27] IB/Verbs: Use management helper cap_ib_cm() References: <5534B8C9.506@profitbricks.com> In-Reply-To: <5534B8C9.506@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=-5.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY, URIBL_BLACK 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 Introduce helper cap_ib_cm() to help us check if the port of an IB device support Infiniband Communication Manager. Cc: Hal Rosenstock Cc: Steve Wise Cc: Tom Talpey Cc: Jason Gunthorpe Cc: Doug Ledford Cc: Ira Weiny Cc: Sean Hefty Signed-off-by: Michael Wang Reviewed-by: Ira Weiny --- drivers/infiniband/core/cm.c | 6 +++--- drivers/infiniband/core/cma.c | 19 +++++++++---------- drivers/infiniband/core/ucm.c | 2 +- include/rdma/ib_verbs.h | 15 +++++++++++++++ 4 files changed, 28 insertions(+), 14 deletions(-) diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c index 3c10b75..eae4c9f 100644 --- a/drivers/infiniband/core/cm.c +++ b/drivers/infiniband/core/cm.c @@ -3781,7 +3781,7 @@ 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)) + if (!cap_ib_cm(ib_device, i)) continue; port = kzalloc(sizeof *port, GFP_KERNEL); @@ -3832,7 +3832,7 @@ 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)) + if (!cap_ib_cm(ib_device, i)) continue; port = cm_dev->port[i-1]; @@ -3864,7 +3864,7 @@ 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)) + if (!cap_ib_cm(ib_device, i)) continue; port = cm_dev->port[i-1]; diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index ec64b97..ff59dbc 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -766,7 +766,7 @@ int rdma_init_qp_attr(struct rdma_cm_id *id, struct ib_qp_attr *qp_attr, int ret = 0; id_priv = container_of(id, struct rdma_id_private, id); - if (rdma_ib_or_iboe(id->device, id->port_num)) { + if (cap_ib_cm(id->device, id->port_num)) { if (!id_priv->cm_id.ib || (id_priv->id.qp_type == IB_QPT_UD)) ret = cma_ib_init_qp_attr(id_priv, qp_attr, qp_attr_mask); else @@ -1054,7 +1054,7 @@ void rdma_destroy_id(struct rdma_cm_id *id) mutex_unlock(&id_priv->handler_mutex); if (id_priv->cma_dev) { - if (rdma_ib_or_iboe(id_priv->id.device, 1)) { + if (cap_ib_cm(id_priv->id.device, 1)) { if (id_priv->cm_id.ib) ib_destroy_cm_id(id_priv->cm_id.ib); } else if (rdma_tech_iwarp(id_priv->id.device, 1)) { @@ -1637,8 +1637,7 @@ static void cma_listen_on_dev(struct rdma_id_private *id_priv, struct rdma_cm_id *id; int ret; - if (cma_family(id_priv) == AF_IB && - !rdma_ib_or_iboe(cma_dev->device, 1)) + if (cma_family(id_priv) == AF_IB && !cap_ib_cm(cma_dev->device, 1)) return; id = rdma_create_id(cma_listen_handler, id_priv, id_priv->id.ps, @@ -2029,7 +2028,7 @@ static int cma_bind_loopback(struct rdma_id_private *id_priv) mutex_lock(&lock); list_for_each_entry(cur_dev, &dev_list, list) { if (cma_family(id_priv) == AF_IB && - !rdma_ib_or_iboe(cur_dev->device, 1)) + !cap_ib_cm(cur_dev->device, 1)) continue; if (!cma_dev) @@ -2538,7 +2537,7 @@ int rdma_listen(struct rdma_cm_id *id, int backlog) id_priv->backlog = backlog; if (id->device) { - if (rdma_ib_or_iboe(id->device, 1)) { + if (cap_ib_cm(id->device, 1)) { ret = cma_ib_listen(id_priv); if (ret) goto err; @@ -2882,7 +2881,7 @@ int rdma_connect(struct rdma_cm_id *id, struct rdma_conn_param *conn_param) id_priv->srq = conn_param->srq; } - if (rdma_ib_or_iboe(id->device, id->port_num)) { + if (cap_ib_cm(id->device, id->port_num)) { if (id->qp_type == IB_QPT_UD) ret = cma_resolve_ib_udp(id_priv, conn_param); else @@ -2993,7 +2992,7 @@ int rdma_accept(struct rdma_cm_id *id, struct rdma_conn_param *conn_param) id_priv->srq = conn_param->srq; } - if (rdma_ib_or_iboe(id->device, id->port_num)) { + if (cap_ib_cm(id->device, id->port_num)) { if (id->qp_type == IB_QPT_UD) { if (conn_param) ret = cma_send_sidr_rep(id_priv, IB_SIDR_SUCCESS, @@ -3056,7 +3055,7 @@ int rdma_reject(struct rdma_cm_id *id, const void *private_data, if (!id_priv->cm_id.ib) return -EINVAL; - if (rdma_ib_or_iboe(id->device, id->port_num)) { + if (cap_ib_cm(id->device, id->port_num)) { if (id->qp_type == IB_QPT_UD) ret = cma_send_sidr_rep(id_priv, IB_SIDR_REJECT, 0, private_data, private_data_len); @@ -3083,7 +3082,7 @@ int rdma_disconnect(struct rdma_cm_id *id) if (!id_priv->cm_id.ib) return -EINVAL; - if (rdma_ib_or_iboe(id->device, id->port_num)) { + if (cap_ib_cm(id->device, id->port_num)) { ret = cma_modify_qp_err(id_priv); if (ret) goto out; diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c index 70e0ccb..f7290c8 100644 --- a/drivers/infiniband/core/ucm.c +++ b/drivers/infiniband/core/ucm.c @@ -1253,7 +1253,7 @@ static void ib_ucm_add_one(struct ib_device *device) dev_t base; struct ib_ucm_device *ucm_dev; - if (!device->alloc_ucontext || !rdma_ib_or_iboe(device, 1)) + if (!device->alloc_ucontext || !cap_ib_cm(device, 1)) return; ucm_dev = kzalloc(sizeof *ucm_dev, GFP_KERNEL); diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 873b9a6..6805e3e 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -1803,6 +1803,21 @@ static inline int cap_ib_smi(struct ib_device *device, u8 port_num) return rdma_tech_ib(device, port_num); } +/** + * cap_ib_cm - Check if the port of device has the capability Infiniband + * Communication Manager. + * + * @device: Device to be checked + * @port_num: Port number of the device + * + * Return 0 when port of the device don't support Infiniband + * Communication Manager. + */ +static inline int cap_ib_cm(struct ib_device *device, u8 port_num) +{ + return rdma_ib_or_iboe(device, port_num); +} + int ib_query_gid(struct ib_device *device, u8 port_num, int index, union ib_gid *gid);