DDI_GET_DRIVER_PRIVATE(9F) Kernel Functions for Drivers
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
illumos DDI specific (illumos 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 February 17, 2023 DDI_GET_DRIVER_PRIVATE(9F)
