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

ddi_dma_mem_free - free previously allocated memory

#include <sys/ddi.h>
#include <sys/sunddi.h>
void ddi_dma_mem_free(ddi_acc_handle_t *handlep);

Pointer to the data access handle previously allocated by a call to ddi_dma_mem_alloc(9F).

illumos DDI specific (illumos DDI).

ddi_dma_mem_free() deallocates the memory acquired by ddi_dma_mem_alloc(9F). In addition, it destroys the data access handle handlep associated with the memory.

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


Writing Device Drivers

September 26, 1994 OmniOS