Content-type: text/html Man page of ddi_dma_get_attr

ddi_dma_get_attr

Section: Kernel Functions for Drivers (9F)
Updated: 29 August 2000
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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 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.  

SEE ALSO

ddi_dma_alloc_handle(9F), ddi_dma_attr(9S)


 

Index

NAME
SYNOPSIS
INTERFACE LEVEL
PARAMETERS
DESCRIPTION
RETURN VALUES
CONTEXT
SEE ALSO

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Time: 02:39:38 GMT, October 02, 2010