aac_cam_poll
sim = cam_sim_alloc(aac_cam_action, aac_cam_poll, "aacp", camsc,
static void aac_cam_poll(struct cam_sim *);
static void aac_cam_poll(struct cam_sim *);
sim = aac_sim_alloc(aac_cam_action, aac_cam_poll, "aacraidp", camsc,