ddi_get_driver_private(9F)

NAME | SYNOPSIS | INTERFACE LEVEL | PARAMETERS | DESCRIPTION | RETURN VALUES | CONTEXT | SEE ALSO

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, caddr_t data);
caddr_t 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

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

ddi_set_driver_private() 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

ddi_get_driver_private() 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 or interrupt context.

SEE ALSO

Writing Device Drivers

SunOS 5.9  Last Revised 6 Feb 1995

NAME | SYNOPSIS | INTERFACE LEVEL | PARAMETERS | DESCRIPTION | RETURN VALUES | CONTEXT | SEE ALSO