Enumerator at include/linux/ata.h, line 164 References: drivers/ata/libata-sff.c, line 3014 drivers/ata/libata-sff.c, line 3016 drivers/ata/pata_ns87415.c, line 132 drivers/ata/pata_ns87415.c, line 137 drivers/ata/sata_mv.c, line 1929 drivers/ata/sata_nv.c, line 2215 drivers/ata/sata_nv.c, line 2217 drivers/ata/sata_sil.c, line 304 drivers/ata/sata_svw.c, line 259 drivers/ata/sata_svw.c, line 261 drivers/ide/ide-dma-sff.c, line 191 drivers/ide/tx4939ide.c, line 292 include/linux/ata.h, line 164