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solaris:ddi_dma_get_attr.9f

ddi_dma_get_attr


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 This interface is obsolete.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(7) for descriptions of the following attributes:

SEE ALSO

ddi_dma_alloc_handle(9F), ddi_dma_attr(9S)


solaris/ddi_dma_get_attr.9f.txt · Last modified: 2023/07/19 08:57 by A User Not Logged in