DDI_DMA_FREE_HANDLE(9F) Kernel Functions for Drivers DDI_DMA_FREE_HANDLE(9F)


NAME


ddi_dma_free_handle - free DMA handle

SYNOPSIS


#include <sys/ddi.h>
#include <sys/sunddi.h>


void ddi_dma_free_handle(ddi_dma_handle_t *handle);


PARAMETERS


handle
A pointer to the DMA handle previously allocated by a call to
ddi_dma_alloc_handle(9F).


INTERFACE LEVEL


Solaris DDI specific (Solaris DDI).

DESCRIPTION


ddi_dma_free_handle() destroys the DMA handle pointed to by handle. Any
further references to the DMA handle will have undefined results. Note
that ddi_dma_unbind_handle(9F) must be called prior to
ddi_dma_free_handle() to free any resources the system may be caching on
the handle.

CONTEXT


ddi_dma_free_handle() can be called from user, kernel, or interrupt
context.

SEE ALSO


ddi_dma_alloc_handle(9F), ddi_dma_unbind_handle(9F)


Writing Device Drivers


September 26, 1994 DDI_DMA_FREE_HANDLE(9F)