HelenOS sources
SATA_CMD_FIS_COMMAND_INDICATOR 336 uspace/drv/block/ahci/ahci.c cmd->c = SATA_CMD_FIS_COMMAND_INDICATOR;
SATA_CMD_FIS_COMMAND_INDICATOR 381 uspace/drv/block/ahci/ahci.c cmd->c = SATA_CMD_FIS_COMMAND_INDICATOR;
SATA_CMD_FIS_COMMAND_INDICATOR 562 uspace/drv/block/ahci/ahci.c cmd->c = SATA_CMD_FIS_COMMAND_INDICATOR;
SATA_CMD_FIS_COMMAND_INDICATOR 680 uspace/drv/block/ahci/ahci.c cmd->c = SATA_CMD_FIS_COMMAND_INDICATOR;
SATA_CMD_FIS_COMMAND_INDICATOR 767 uspace/drv/block/ahci/ahci.c cmd->c = SATA_CMD_FIS_COMMAND_INDICATOR;
HelenOS homepage, sources at GitHub