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ddi_root_node - get the root of the dev_info tree

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



dev_info_t *ddi_root_node(void);

illumos DDI specific (illumos DDI). The ddi_root_node() function returns a pointer to the root node of the device information tree. The ddi_root_node() function returns a pointer to a device information structure. The ddi_root_node() function can be called from user, interrupt, or kernel context. Writing Device Drivers