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ddi_dma_get_attr (9)

>> ddi_dma_get_attr (9) ( Solaris man: Ядро )

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). This interface is obsolete.

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 attribute structure. See ddi_dma_attr(9S).

DESCRIPTION

ddi_dma_get_attr() is used to get a ddi_dma_attr(9S) structure. This structure describes the attributes of the DMA data path to which any memory object bound to the given handle 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.

ATTRIBUTES

See attributes(5) for descriptions of the following attributes:

ATTRIBUTE TYPE ATTRIBUTE VALUE

Interface Stability Obsolete

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