/*

 * include/linux/node.h - generic node definition

 *

 * This is mainly for topological representation. We define the 

 * basic 'struct node' here, which can be embedded in per-arch 

 * definitions of processors.

 *

 * Basic handling of the devices is done in drivers/base/node.c

 * and system devices are handled in drivers/base/sys.c. 

 *

 * Nodes are exported via driverfs in the class/node/devices/

 * directory. 

 *

 * Per-node interfaces can be implemented using a struct device_interface. 

 * See the following for how to do this: 

 * - drivers/base/intf.c 

 * - Documentation/driver-model/interface.txt

 */

#ifndef _LINUX_NODE_H_

#define _LINUX_NODE_H_

#include <linux/sysdev.h>

#include <linux/cpumask.h>

struct node {

	struct sys_device	sysdev;

};

extern struct node node_devices[];

extern int register_node(struct node *, int, struct node *);

extern void unregister_node(struct node *node);

#ifdef CONFIG_NUMA

extern int register_one_node(int nid);

extern void unregister_one_node(int nid);

extern int register_cpu_under_node(unsigned int cpu, unsigned int nid);

extern int unregister_cpu_under_node(unsigned int cpu, unsigned int nid);

#else

static inline int register_one_node(int nid)

{

	return 0;

}

static inline int unregister_one_node(int nid)

{

	return 0;

}

static inline int register_cpu_under_node(unsigned int cpu, unsigned int nid)

{

	return 0;

}

static inline int unregister_cpu_under_node(unsigned int cpu, unsigned int nid)

{

	return 0;

}

#endif

#define to_node(sys_device) container_of(sys_device, struct node, sysdev)

#endif /* _LINUX_NODE_H_ */