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authorIra Weiny <ira.weiny@intel.com>2015-05-13 20:02:55 -0400
committerDoug Ledford <dledford@redhat.com>2015-05-18 13:35:06 -0400
commit0cf18d7723055709faf51b50f5a33253b480637f (patch)
tree4057c072cb7cd39f80c4d35f359010afd17f734f /include/rdma
parent296ec00995fb28c4e34b41f80b5a876f3a25c134 (diff)
downloadop-kernel-dev-0cf18d7723055709faf51b50f5a33253b480637f.zip
op-kernel-dev-0cf18d7723055709faf51b50f5a33253b480637f.tar.gz
IB/core: Create common start/end port functions
Previously start_port and end_port were defined in 2 places, cache.c and device.c and this prevented their use in other modules. Make these common functions, change the name to reflect the rdma name space, and update existing users. Signed-off-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'include/rdma')
-rw-r--r--include/rdma/ib_verbs.h27
1 files changed, 27 insertions, 0 deletions
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 81740c1..be4465b5 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -1752,6 +1752,33 @@ int ib_query_port(struct ib_device *device,
enum rdma_link_layer rdma_port_get_link_layer(struct ib_device *device,
u8 port_num);
+/**
+ * rdma_start_port - Return the first valid port number for the device
+ * specified
+ *
+ * @device: Device to be checked
+ *
+ * Return start port number
+ */
+static inline u8 rdma_start_port(const struct ib_device *device)
+{
+ return (device->node_type == RDMA_NODE_IB_SWITCH) ? 0 : 1;
+}
+
+/**
+ * rdma_end_port - Return the last valid port number for the device
+ * specified
+ *
+ * @device: Device to be checked
+ *
+ * Return last port number
+ */
+static inline u8 rdma_end_port(const struct ib_device *device)
+{
+ return (device->node_type == RDMA_NODE_IB_SWITCH) ?
+ 0 : device->phys_port_cnt;
+}
+
static inline bool rdma_protocol_ib(struct ib_device *device, u8 port_num)
{
return device->query_protocol(device, port_num) == RDMA_PROTOCOL_IB;
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