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