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 destination masks will
       be ignored.

AUTHOR
       Jeff Garzik
           Author.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                    ATA_UNPACK_XFERMASK(9)