Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758813AbbEEMwE (ORCPT ); Tue, 5 May 2015 08:52:04 -0400 Received: from mail-wg0-f52.google.com ([74.125.82.52]:33570 "EHLO mail-wg0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758728AbbEEMvO (ORCPT ); Tue, 5 May 2015 08:51:14 -0400 From: Michael Wang To: Roland Dreier , Sean Hefty , Hal Rosenstock , Doug Ledford , linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org 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 , Devesh Sharma , Liran Liss , Dave Goodell Subject: [PATCH v8 16/23] IB/Verbs: Use management helper rdma_cap_ib_smi() Date: Tue, 5 May 2015 14:50:33 +0200 Message-Id: <1430830240-32389-17-git-send-email-yun.wang@profitbricks.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1430830240-32389-1-git-send-email-yun.wang@profitbricks.com> References: <1430830240-32389-1-git-send-email-yun.wang@profitbricks.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2460 Lines: 70 Introduce helper rdma_cap_ib_smi() to help us check if the port of an IB device support Infiniband Subnet Management Interface. 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 89d4fbc..a6fc4d6 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_protocol_ib(device, port_num)) { + if (rdma_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 80777cd..e9699c9 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_protocol_ib(device, port_num); + has_smi = rdma_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 23ba66e..e983e33 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -1789,6 +1789,21 @@ static inline bool rdma_cap_ib_mad(struct ib_device *device, u8 port_num) return rdma_ib_or_iboe(device, port_num); } +/** + * rdma_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 false when port of the device don't support Infiniband + * Subnet Management Interface. + */ +static inline bool rdma_cap_ib_smi(struct ib_device *device, u8 port_num) +{ + return rdma_protocol_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/