#include <sys/conf.h> #include <sys/ddi.h> #include <sys/sunddi.h>
int ddi_dma_htoc(ddi_dma_handle_t handle, off_t off, ddi_dma_cookie_t *cookiep);
Solaris SPARC DDI specific (Solaris SPARC DDI).
ddi_dma_htoc() takes a DMA handle (established by ddi_dma_setup(9F) ), and fills in the cookie pointed to by cookiep with the appropriate address, length, and bus type to be used to program the DMA engine.
ddi_dma_htoc() returns:
- DDI_SUCCESS
- Successfully filled in the cookie pointed to by cookiep.
- DDI_FAILURE
- Failed to successfully fill in the cookie.
ddi_dma_htoc() can be called from user or interrupt context.