REG_RD_OFFSET
REG_RD_OFFSET(pdev, GRC_WINDOW_BASE + grc_win_offset, buf_ptr);
REG_RD_OFFSET(
REG_RD_OFFSET(
REG_RD_OFFSET(
REG_RD_OFFSET(
REG_RD_OFFSET(
REG_RD_OFFSET(
REG_RD_OFFSET(