eisa_dma_stop(D3X)eisa_dma_stop(D3X)NAMEeisa_dma_stop - stop software-initiated DMA operation on a channel and
release it
SYNOPSIS
#include <sys/eisa.h>
void eisa_dma_stop(vint_t adap, int chan);
Arguments
adap Bus adapter number (zero on an Indigo2).
chan Channel on which the DMA operation is to be stopped.
DESCRIPTIONeisa_dma_stop stops a software-initiated DMA operation in progress on the
channel chan. The channel is then released and made available for other
use.
The caller must ensure that it is acting on behalf of the channel owner,
and that it makes sense to release the channel. The caller must also
ensure that the channel is in use for software-initiated DMA transfers
and not hardware-initiated transfers.
Return Values
None
Level
Base or Interrupt
Notes
Does not sleep.
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