Enumerator at include/linux/ata.h, line 408 References: drivers/ata/libata-core.c, line 3216 drivers/ata/libata-core.c, line 3308 drivers/ata/libata-transport.c, line 189 drivers/ata/pata_triflex.c, line 107 drivers/ide/cs5535.c, line 82 drivers/ide/icside.c, line 260 drivers/ide/ide-dma.c, line 234 drivers/ide/ide-dma.c, line 277 drivers/ide/ide-dma.c, line 431 drivers/ide/ide-ioctls.c, line 167 drivers/ide/ide-iops.c, line 400 drivers/ide/ide-iops.c, line 411 drivers/ide/ide-iops.c, line 426 drivers/ide/ide-iops.c, line 427 drivers/ide/ide-timings.c, line 54 drivers/ide/ide-timings.c, line 169 drivers/ide/ide-timings.c, line 191 drivers/ide/ide-xfer-mode.c, line 36 drivers/ide/pdc202xx_old.c, line 55 drivers/ide/triflex.c, line 58 include/linux/ata.h, line 408