[infiniband] Add find_ibdev()

diff --git a/src/include/gpxe/infiniband.h b/src/include/gpxe/infiniband.h
index c4bc2ff..771d2a0 100644 (file)
--- a/src/include/gpxe/infiniband.h
+++ b/src/include/gpxe/infiniband.h
@@ -472,6 +472,7 @@ extern int ib_set_pkey_table ( struct ib_device *ibdev, union ib_mad *mad );
 extern struct ib_device * alloc_ibdev ( size_t priv_size );
 extern int register_ibdev ( struct ib_device *ibdev );
 extern void unregister_ibdev ( struct ib_device *ibdev );
+extern struct ib_device * find_ibdev ( struct ib_gid *gid );
 extern void ib_link_state_changed ( struct ib_device *ibdev );
 extern void ib_poll_eq ( struct ib_device *ibdev );
 extern struct list_head ib_devices;

diff --git a/src/net/infiniband.c b/src/net/infiniband.c
index 539c529..45f38d9 100644 (file)
--- a/src/net/infiniband.c
+++ b/src/net/infiniband.c
@@ -882,3 +882,19 @@ void unregister_ibdev ( struct ib_device *ibdev ) {
        ibdev_put ( ibdev );
        DBGC ( ibdev, "IBDEV %p unregistered\n", ibdev );
 }
+
+/**
+ * Find Infiniband device by GID
+ *
+ * @v gid              GID
+ * @ret ibdev          Infiniband device, or NULL
+ */
+struct ib_device * find_ibdev ( struct ib_gid *gid ) {
+       struct ib_device *ibdev;
+
+       for_each_ibdev ( ibdev ) {
+               if ( memcmp ( gid, &ibdev->gid, sizeof ( *gid ) ) == 0 )
+                       return ibdev;
+       }
+       return NULL;
+}