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);

ARGUMENTS

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
 

SunOS 5.5/x86  —  Last change: 26 Sep 1994