ATA_I_CMD
#define ATAPI_P_CMDOUT (ATA_S_DRQ | ATA_I_CMD)
#define ATAPI_P_DONEDRQ (ATA_S_DRQ | ATA_I_CMD | ATA_I_IN)
#define ATAPI_P_DONE (ATA_I_CMD | ATA_I_IN)
switch ((ATA_IDX_INB(ch, ATA_IREASON) & (ATA_I_CMD | ATA_I_IN)) |
if (((reason & (ATA_I_CMD | ATA_I_IN)) |