allegro_m2m_buffer
struct allegro_m2m_buffer *shadow = to_allegro_m2m_buffer(b);
struct allegro_m2m_buffer *shadow, *tmp;
struct allegro_m2m_buffer *shadow, *tmp;
src_vq->buf_struct_size = sizeof(struct allegro_m2m_buffer);
dst_vq->buf_struct_size = sizeof(struct allegro_m2m_buffer);
container_of(__buf, struct allegro_m2m_buffer, buf)