ATA_BUSY = (1 << 7), /* BSY status bit */
ATA_DRDY = (1 << 6), /* device ready */
ATA_DF = (1 << 5), /* device fault */
+ ATA_DSC = (1 << 4), /* drive seek complete */
ATA_DRQ = (1 << 3), /* data request i/o */
+ ATA_CORR = (1 << 2), /* corrected data error */
+ ATA_IDX = (1 << 1), /* index */
ATA_ERR = (1 << 0), /* have an error */
ATA_SRST = (1 << 2), /* software reset */
ATA_ICRC = (1 << 7), /* interface CRC error */
+ ATA_BBK = ATA_ICRC, /* pre-EIDE: block marked bad */
ATA_UNC = (1 << 6), /* uncorrectable media error */
+ ATA_MC = (1 << 5), /* media changed */
ATA_IDNF = (1 << 4), /* ID not found */
+ ATA_MCR = (1 << 3), /* media change requested */
ATA_ABORTED = (1 << 2), /* command aborted */
+ ATA_TRK0NF = (1 << 1), /* track 0 not found */
+ ATA_AMNF = (1 << 0), /* address mark not found */
+ ATAPI_LFS = 0xF0, /* last failed sense */
+ ATAPI_EOM = ATA_TRK0NF, /* end of media */
+ ATAPI_ILI = ATA_AMNF, /* illegal length indication */
+ ATAPI_IO = (1 << 1),
+ ATAPI_COD = (1 << 0),
/* ATA command block registers */
ATA_REG_DATA = 0x00,