DDI_GET_DRIVER_PRIVATE(9F) Kernel Functions for Drivers DDI_GET_DRIVER_PRIVATE(9F)

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

#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);

illumos DDI specific (illumos DDI).

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.

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.

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.

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

Writing Device Drivers
January 16, 2006 OmniOS