Man page 9 : ata_scsi_rw_xlat

ata_scsi_rw_xlat - Translate SCSI r/w command into an ATA one

unsigned int ata_scsi_rw_xlat(struct ata_queued_cmd *  qc );

qc
    Storage for translated ATA taskfile

Converts any of six SCSI read/write commands into the ATA counterpart, including starting sector (LBA), sector count, and taking into account the deviceAqs LBA48 support.

Commands READ_6, READ_10, READ_16, WRITE_6, WRITE_10, and WRITE_16 are currently supported.

spin_lock_irqsave(host lock)

Zero on success, non-zero on error.

Jeff Garzik
    Author.