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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

January 2017 Kernel Hackers Manual 4.8.