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Kernel Functions for Driversddi_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


SunOS 5.9Go To TopLast Changed 26 Sep 1994

 
      
      
Copyright 2002 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms.