ddi_get_driver_private(9F)

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)

ARGUMENTS

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.

INTERFACE LEVEL

Solaris DDI specific (Solaris DDI).

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 address of the private data area. 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.

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