linux-kernel - [PATCH v3 25/28] IB/Verbs: Use management helper cap_af

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Date:	Mon, 13 Apr 2015 14:35:13 +0200
From:	Michael Wang <yun.wang@...fitbricks.com>
To:	Roland Dreier <roland@...nel.org>,
	Sean Hefty <sean.hefty@...el.com>,
	Hal Rosenstock <hal.rosenstock@...il.com>,
	linux-rdma@...r.kernel.org, linux-kernel@...r.kernel.org
CC:	Tom Tucker <tom@...ngridcomputing.com>,
	Steve Wise <swise@...ngridcomputing.com>,
	Hoang-Nam Nguyen <hnguyen@...ibm.com>,
	Christoph Raisch <raisch@...ibm.com>,
	Mike Marciniszyn <infinipath@...el.com>,
	Eli Cohen <eli@...lanox.com>,
	Faisal Latif <faisal.latif@...el.com>,
	Jack Morgenstein <jackm@....mellanox.co.il>,
	Or Gerlitz <ogerlitz@...lanox.com>,
	Haggai Eran <haggaie@...lanox.com>,
	Ira Weiny <ira.weiny@...el.com>, Tom Talpey <tom@...pey.com>,
	Jason Gunthorpe <jgunthorpe@...idianresearch.com>,
	Doug Ledford <dledford@...hat.com>,
	Michael Wang <yun.wang@...fitbricks.com>
Subject: [PATCH v3 25/28] IB/Verbs: Use management helper cap_af_ib()


Introduce helper cap_af_ib() to help us check if the port of an
IB device support Native Infiniband Address.

Cc: Steve Wise <swise@...ngridcomputing.com>
Cc: Tom Talpey <tom@...pey.com>
Cc: Jason Gunthorpe <jgunthorpe@...idianresearch.com>
Cc: Doug Ledford <dledford@...hat.com>
Cc: Ira Weiny <ira.weiny@...el.com>
Cc: Sean Hefty <sean.hefty@...el.com>
Signed-off-by: Michael Wang <yun.wang@...fitbricks.com>
---
 drivers/infiniband/core/cma.c |  2 +-
 include/rdma/ib_verbs.h       | 15 +++++++++++++++
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index 65e41f4..7f5815d 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -470,7 +470,7 @@ static int cma_resolve_ib_dev(struct rdma_id_private *id_priv)
 
 	list_for_each_entry(cur_dev, &dev_list, list) {
 		for (p = 1; p <= cur_dev->device->phys_port_cnt; ++p) {
-			if (!rdma_ib_or_iboe(cur_dev->device, p))
+			if (!cap_af_ib(cur_dev->device, p))
 				continue;
 
 			if (ib_find_cached_pkey(cur_dev->device, p, pkey, &index))
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 29ddd14..dfe33f3 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -1879,6 +1879,21 @@ static inline int cap_ipoib(struct ib_device *device, u8 port_num)
 }
 
 /**
+ * cap_af_ib - Check if the port of device has the capability
+ * Native Infiniband Address.
+ *
+ * @device: Device to be checked
+ * @port_num: Port number of the device
+ *
+ * Return 0 when port of the device don't support
+ * Native Infiniband Address.
+ */
+static inline int cap_af_ib(struct ib_device *device, u8 port_num)
+{
+	return rdma_ib_or_iboe(device, port_num);
+}
+
+/**
  * cap_read_multi_sge - Check if the port of device has the capability
  * RDMA Read Multiple Scatter-Gather Entries.
  *
-- 
2.1.0
--
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