HelenOS sources

AHCI_CMDHDR_FLAGS_2DWCMD  360 uspace/drv/block/ahci/ahci.c 	    AHCI_CMDHDR_FLAGS_2DWCMD;
AHCI_CMDHDR_FLAGS_2DWCMD  405 uspace/drv/block/ahci/ahci.c 	    AHCI_CMDHDR_FLAGS_2DWCMD;
AHCI_CMDHDR_FLAGS_2DWCMD  586 uspace/drv/block/ahci/ahci.c 	    AHCI_CMDHDR_FLAGS_2DWCMD;
HelenOS homepage, sources at GitHub