From patchwork Fri Apr 24 12:23:42 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Wang X-Patchwork-Id: 6269921 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 B183EBF4A6 for ; Fri, 24 Apr 2015 12:30:03 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 7711D2026F for ; Fri, 24 Apr 2015 12:30:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3B65C20268 for ; Fri, 24 Apr 2015 12:30:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754424AbbDXMYd (ORCPT ); Fri, 24 Apr 2015 08:24:33 -0400 Received: from mail-wi0-f179.google.com ([209.85.212.179]:37555 "EHLO mail-wi0-f179.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754394AbbDXMYa (ORCPT ); Fri, 24 Apr 2015 08:24:30 -0400 Received: by widdi4 with SMTP id di4so18251342wid.0 for ; Fri, 24 Apr 2015 05:24:29 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=uQnXR/GLKcnUPM6H0FCIJCMumw6UeuaAm1ZY9EXV4mg=; b=B0/nfjPxQVKgI9QXaFPvP0D5KFAhuDsRHBFwVNpiuE4b5FV5R/oljfHCpfeHWCqXMI yD/Gad8HjGLqhqQ18bhZtBZHlSOQUMIl9GPVX8FkCfHPrJBei/1Kph3n3BEn5deIO/cm tIMThcgC4AN/HW3QrAzqlC3BNSdRJJeYPzd7m5kpq6a6XOtXbG5/uVX9LzB2AU693Cub EhI6DOTr9EX31gGo6hUTR2W0+eTex55MSR2S5DvM4lWv6QrD5iTIrYx5t5dwDDerUbNp 57zol3zWycvyK6K0/9yKLPNOzdNbLqQIA2KBvMmK0H8h7/cQhJ8bie2cxGAMfAOsfVRY UPQA== X-Gm-Message-State: ALoCoQnmKpEmiTwulS5SFNKxCjs/Z7nixRBBnYv8dT7+FIRQW5kNRT4NL60xs305p9pRp0OY9LDi X-Received: by 10.194.203.74 with SMTP id ko10mr12240895wjc.96.1429878268948; Fri, 24 Apr 2015 05:24:28 -0700 (PDT) Received: from ubuntu.pb.local ([62.217.45.26]) by mx.google.com with ESMTPSA id m4sm16704020wjb.25.2015.04.24.05.24.26 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 24 Apr 2015 05:24:27 -0700 (PDT) From: Michael Wang To: Roland Dreier , Sean Hefty , Hal Rosenstock , linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Michael Wang , Steve Wise , Tom Talpey , Jason Gunthorpe , Doug Ledford , Ira Weiny , Tom Tucker , Hoang-Nam Nguyen , Christoph Raisch , Mike Marciniszyn , Eli Cohen , Faisal Latif , Jack Morgenstein , Or Gerlitz , Haggai Eran Subject: [PATCH v6 18/26] IB/Verbs: Use management helper cap_ib_cm() Date: Fri, 24 Apr 2015 14:23:42 +0200 Message-Id: <1429878230-11749-19-git-send-email-yun.wang@profitbricks.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1429878230-11749-1-git-send-email-yun.wang@profitbricks.com> References: <1429878230-11749-1-git-send-email-yun.wang@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 --- 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 add5e484..3ffaad3 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 a20566e..08d2d78 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);