HelenOS sources

TSD_OWN           358 uspace/drv/nic/rtl8139/driver.c #define rtl8139_tbuf_busy(tsd) ((pio_read_32(tsd) & TSD_OWN) == 0)
TSD_OWN           421 uspace/drv/nic/rtl8139/driver.c 	tsd_value &= ~(uint32_t)TSD_OWN;
TSD_OWN           690 uspace/drv/nic/rtl8139/driver.c 		if ((tsd_value & TSD_OWN) == 0)