ddi_dma_get_attr(9F)

NAME

     ddi_dma_get_attr - get the device  DMA  attribute  structure
     from a DMA handle

SYNOPSIS

     #include <sys/ddi.h>
     #include <sys/sunddi.h>

     int ddi_dma_get_attr(ddi_dma_handle_t handle, ddi_dma_attr_t
     *attrp);

INTERFACE LEVEL

     Solaris DDI specific (Solaris DDI)

PARAMETERS

     handle
           The    handle    filled    in    by    a    call    to
           ddi_dma_alloc_handle(9F).

     attrp Pointer to a buffer suitable for holding a DMA  attri-
           bute structure. See ddi_dma_attr(9S).

DESCRIPTION

     ddi_dma_get_attr() is used to get a ddi_dma_attr(9S)  struc-
     ture.  This  structure  describes  the attributes of the DMA
     data path to which any memory object bound to the given han-
     dle will be subject.

RETURN VALUES

     DDI_SUCCESS
           Successfully passed back attribute structure in buffer
           pointed to by attrp.

     DDI_DMA_BADATTR
           A valid attribute structure could not be passed back.

CONTEXT

     ddi_dma_get_attr() can be called from any context.

SEE ALSO

     ddi_dma_alloc_handle(9F), ddi_dma_attr(9S)