linux-kernel - [PATCH v4 02/27] IB/Verbs: Implement raw management helpers

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Message-ID: <552F6D3D.9060206@profitbricks.com>
Date:	Thu, 16 Apr 2015 10:05:17 +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>, hal@....mellanox.co.il,
	Michael Wang <yun.wang@...fitbricks.com>
Subject: [PATCH v4 02/27] IB/Verbs: Implement raw management helpers


Add raw helpers:
	rdma_tech_ib
	rdma_tech_iboe
	rdma_tech_iwarp
	rdma_ib_or_iboe (transition, clean up later)
To help us detect which technology the port supported.

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>
---
 include/rdma/ib_verbs.h | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index d54f91e..a12e876 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -1748,6 +1748,31 @@ int ib_query_port(struct ib_device *device,
 enum rdma_link_layer rdma_port_get_link_layer(struct ib_device *device,
 					       u8 port_num);
 
+static inline int rdma_tech_ib(struct ib_device *device, u8 port_num)
+{
+	return device->query_transport(device, port_num)
+			== RDMA_TRANSPORT_IB;
+}
+
+static inline int rdma_tech_iboe(struct ib_device *device, u8 port_num)
+{
+	return device->query_transport(device, port_num)
+			== RDMA_TRANSPORT_IBOE;
+}
+
+static inline int rdma_tech_iwarp(struct ib_device *device, u8 port_num)
+{
+	return device->query_transport(device, port_num)
+			== RDMA_TRANSPORT_IWARP;
+}
+
+static inline int rdma_ib_or_iboe(struct ib_device *device, u8 port_num)
+{
+	enum rdma_transport_type tp = device->query_transport(device, port_num);
+
+	return (tp == RDMA_TRANSPORT_IB || tp == RDMA_TRANSPORT_IBOE);
+}
+
 int ib_query_gid(struct ib_device *device,
 		 u8 port_num, int index, union ib_gid *gid);
 
-- 
2.1.0
--
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