Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755243AbbDTIjo (ORCPT ); Mon, 20 Apr 2015 04:39:44 -0400 Received: from mail-wi0-f175.google.com ([209.85.212.175]:33885 "EHLO mail-wi0-f175.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754847AbbDTIjk (ORCPT ); Mon, 20 Apr 2015 04:39:40 -0400 Message-ID: <5534BB49.2090101@profitbricks.com> Date: Mon, 20 Apr 2015 10:39:37 +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 17/27] IB/Verbs: Use management helper cap_ib_smi() References: <5534B8C9.506@profitbricks.com> In-Reply-To: <5534B8C9.506@profitbricks.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2700 Lines: 77 Introduce helper cap_ib_smi() to help us check if the port of an IB device support Infiniband Subnet Management Interface. 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/agent.c | 2 +- drivers/infiniband/core/mad.c | 2 +- include/rdma/ib_verbs.h | 15 +++++++++++++++ 3 files changed, 17 insertions(+), 2 deletions(-) diff --git a/drivers/infiniband/core/agent.c b/drivers/infiniband/core/agent.c index ffdef4d..61471ee 100644 --- a/drivers/infiniband/core/agent.c +++ b/drivers/infiniband/core/agent.c @@ -156,7 +156,7 @@ int ib_agent_port_open(struct ib_device *device, int port_num) goto error1; } - if (rdma_tech_ib(device, port_num)) { + if (cap_ib_smi(device, port_num)) { /* Obtain send only MAD agent for SMI QP */ port_priv->agent[0] = ib_register_mad_agent(device, port_num, IB_QPT_SMI, NULL, 0, diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c index 4315aeb..ee3a05e 100644 --- a/drivers/infiniband/core/mad.c +++ b/drivers/infiniband/core/mad.c @@ -2938,7 +2938,7 @@ static int ib_mad_port_open(struct ib_device *device, init_mad_qp(port_priv, &port_priv->qp_info[1]); cq_size = mad_sendq_size + mad_recvq_size; - has_smi = rdma_tech_ib(device, port_num); + has_smi = cap_ib_smi(device, port_num); if (has_smi) cq_size *= 2; diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 624e963..873b9a6 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -1788,6 +1788,21 @@ static inline int cap_ib_mad(struct ib_device *device, u8 port_num) return rdma_ib_or_iboe(device, port_num); } +/** + * cap_ib_smi - Check if the port of device has the capability Infiniband + * Subnet Management Interface. + * + * @device: Device to be checked + * @port_num: Port number of the device + * + * Return 0 when port of the device don't support Infiniband + * Subnet Management Interface. + */ +static inline int cap_ib_smi(struct ib_device *device, u8 port_num) +{ + return rdma_tech_ib(device, port_num); +} + int ib_query_gid(struct ib_device *device, u8 port_num, int index, union ib_gid *gid); -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/