centos man page for ata_unpack_xfermask

ATA_UNPACK_XFERMASK(9)						  libata Library					    ATA_UNPACK_XFERMASK(9)

NAME
       ata_unpack_xfermask - Unpack xfer_mask into pio, mwdma and udma masks

SYNOPSIS
       void ata_unpack_xfermask(unsigned long xfer_mask, unsigned long * pio_mask, unsigned long * mwdma_mask, unsigned long * udma_mask);

ARGUMENTS
       xfer_mask
	   xfer_mask to unpack

       pio_mask
	   resulting pio_mask

       mwdma_mask
	   resulting mwdma_mask

       udma_mask
	   resulting udma_mask

DESCRIPTION
       Unpack xfer_mask into pio_mask, mwdma_mask and udma_mask. Any NULL distination masks will be ignored.

AUTHOR
       Jeff Garzik
	   Author.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						    ATA_UNPACK_XFERMASK(9)