daio_mgr_get_ctrl_blk
int (*daio_mgr_get_ctrl_blk)(struct hw *hw, void **rblk);
.daio_mgr_get_ctrl_blk = daio_mgr_get_ctrl_blk,
.daio_mgr_get_ctrl_blk = daio_mgr_get_ctrl_blk,
err = hw->daio_mgr_get_ctrl_blk(hw, &mgr->ctrl_blk);