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 2.6. July 2010 ATA_UNPACK_XFERMASK(9)
