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NAME

ddi_get_driver_private, ddi_set_driver_private - get or set the address of the device's private data area
 

SYNOPSIS

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



void ddi_set_driver_private(dev_info_t *dip, void *data);

void *ddi_get_driver_private(dev_info_t *dip);

INTERFACE LEVEL

Solaris DDI specific (Solaris DDI).  

PARAMETERS

ddi_get_driver_private()

dip

Pointer to device information structure to get from.

ddi_set_driver_private()

dip

Pointer to device information structure to set.

data

Data area address to set.

DESCRIPTION

The ddi_get_driver_private() function returns the address of the device's private data area from the device information structure pointed to by dip.

The ddi_set_driver_private() function sets the address of the device's private data area in the device information structure pointed to by dip with the value of data.  

RETURN VALUES

The ddi_get_driver_private() function returns the contents of devi_driver_data. If ddi_set_driver_private() has not been previously called with dip, an unpredictable value is returned.  

CONTEXT

These functions can be called from user , interrupt, or kernel context.  

SEE ALSO

Writing Device Drivers

Index

NAME

SYNOPSIS

INTERFACE LEVEL

PARAMETERS

DESCRIPTION

RETURN VALUES

CONTEXT

SEE ALSO

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