IE_CMD_COMMON_STATUS
sc->ie_bus_write16(sc, IE_CMD_COMMON_STATUS(cmdbuf), 0);
!(sc->ie_bus_read16(sc, IE_CMD_COMMON_STATUS(cmd)) & IE_STAT_OK))
status = sc->ie_bus_read16(sc, IE_CMD_COMMON_STATUS(cmd));
status = sc->ie_bus_read16(sc, IE_CMD_COMMON_STATUS(cmdbuf));
status = sc->ie_bus_read16(sc, IE_CMD_COMMON_STATUS(cmdbuf));
off = IE_CMD_COMMON_STATUS(iecmdbuf);