1ATA_UNPACK_XFERMASK(9)          libata Library          ATA_UNPACK_XFERMASK(9)
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NAME

6       ata_unpack_xfermask - Unpack xfer_mask into pio, mwdma and udma masks
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SYNOPSIS

9       void ata_unpack_xfermask(unsigned long xfer_mask,
10                                unsigned long * pio_mask,
11                                unsigned long * mwdma_mask,
12                                unsigned long * udma_mask);
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ARGUMENTS

15       xfer_mask
16           xfer_mask to unpack
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18       pio_mask
19           resulting pio_mask
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21       mwdma_mask
22           resulting mwdma_mask
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24       udma_mask
25           resulting udma_mask
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DESCRIPTION

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

32       Jeff Garzik
33           Author.
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36Kernel Hackers Manual 3.10         June 2019            ATA_UNPACK_XFERMASK(9)
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