+void ltt_event_write_from_user(struct lib_ring_buffer_ctx *ctx,
+ const void __user *src, size_t len)
+{
+ lib_ring_buffer_copy_from_user(&client_config, ctx, src, len);
+}
+
+static
+void ltt_event_memset(struct lib_ring_buffer_ctx *ctx,
+ int c, size_t len)
+{
+ lib_ring_buffer_memset(&client_config, ctx, c, len);
+}
+
+static
+wait_queue_head_t *ltt_get_writer_buf_wait_queue(struct channel *chan, int cpu)