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solaris:ddi_dma_free_handle.9f

ddi_dma_free_handle


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 in Oracle Solaris 11.4


solaris/ddi_dma_free_handle.9f.txt · Last modified: 2023/07/19 08:58 by A User Not Logged in