Man page 9 : ata_scsi_rbuf_get

ata_scsi_rbuf_get - Map response buffer.

void * ata_scsi_rbuf_get(struct scsi_cmnd *  cmd , bool  copy_in , unsigned long *  flags );

cmd
    SCSI command containing buffer to be mapped.

copy_in
    copy in from user buffer

flags
    unsigned long variable to store irq enable status

Prepare buffer for simulated SCSI commands.

spin_lock_irqsave(ata_scsi_rbuf_lock) on success

Pointer to response buffer.

Jeff Garzik
    Author.