Scroll to navigation

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.

COPYRIGHT

March 2016 Kernel Hackers Manual 3.2.