ib_client        1651 include/rdma/ib_verbs.h int ib_register_client   (struct ib_client *client);
ib_client        1652 include/rdma/ib_verbs.h void ib_unregister_client(struct ib_client *client);
ib_client        1654 include/rdma/ib_verbs.h void *ib_get_client_data(struct ib_device *device, struct ib_client *client);
ib_client        1655 include/rdma/ib_verbs.h void  ib_set_client_data(struct ib_device *device, struct ib_client *client,