The Linux Kernel API | ||
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MCA_DMA_MODE_READ
when reading from the DMA device.
MCA_DMA_MODE_WRITE
to writing to the DMA device.
MCA_DMA_MODE_IO
to do DMA to or from an I/O port.
MCA_DMA_MODE_16
to do 16bit transfers.
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mca_set_dma_io | Up | The Device File System |