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

NAME

ddi_root_node - get the root of the dev_info tree

SYNOPSIS

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


dev_info_t *ddi_root_node(void);

INTERFACE LEVEL

illumos DDI specific (illumos DDI).

DESCRIPTION

The ddi_root_node() function returns a pointer to the root node of
the device information tree.

RETURN VALUES

The ddi_root_node() function returns a pointer to a device
information structure.

CONTEXT

The ddi_root_node() function can be called from user, interrupt, or
kernel context.

SEE ALSO

Writing Device Drivers

January 16, 2006 DDI_ROOT_NODE(9F)