device_get_sysctl_ctx,

#include <sys/param.h>
#include <sys/bus.h>

struct sysctl_ctx_list *
device_get_sysctl_ctx(device_t dev);

struct sysctl_oid *
device_get_sysctl_tree(device_t dev);

The newbus system automatically adds a sysctl node for each device in the system. This node can be accessed with the device_get_sysctl_tree() function. The context for the node can be obtained with the device_get_sysctl_ctx() function.

device(9)

This manual page was written by Warner Losh.