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MCA_SET_DMA_IO(9) Hardware Interfaces MCA_SET_DMA_IO(9)

NAME

mca_set_dma_io - set the port for an I/O transfer

SYNOPSIS

void mca_set_dma_io(unsigned int dmanr, unsigned int io_addr);

ARGUMENTS

dmanr

DMA channel

io_addr

an I/O port number

DESCRIPTION

Unlike the ISA bus DMA controllers the DMA on MCA bus can transfer with an I/O port target.

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May 2024 Kernel Hackers Manual 2.6.