[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / linux / node.h

/*
 * 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;
};

struct memory_block;
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);
extern int register_mem_sect_under_node(struct memory_block *mem_blk,
						int nid);
extern int unregister_mem_sect_under_nodes(struct memory_block *mem_blk);
#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;
}
static inline int register_mem_sect_under_node(struct memory_block *mem_blk,
							int nid)
{
	return 0;
}
static inline int unregister_mem_sect_under_nodes(struct memory_block *mem_blk)
{
	return 0;
}
#endif

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

#endif /* _LINUX_NODE_H_ */
Commit	Line	Data
1da177e4 LT	1	/*
	2	* include/linux/node.h - generic node definition
	3	*
	4	* This is mainly for topological representation. We define the
	5	* basic 'struct node' here, which can be embedded in per-arch
	6	* definitions of processors.
	7	*
	8	* Basic handling of the devices is done in drivers/base/node.c
	9	* and system devices are handled in drivers/base/sys.c.
	10	*
	11	* Nodes are exported via driverfs in the class/node/devices/
	12	* directory.
	13	*
	14	* Per-node interfaces can be implemented using a struct device_interface.
	15	* See the following for how to do this:
	16	* - drivers/base/intf.c
	17	* - Documentation/driver-model/interface.txt
	18	*/
	19	#ifndef _LINUX_NODE_H_
	20	#define _LINUX_NODE_H_
	21
	22	#include <linux/sysdev.h>
	23	#include <linux/cpumask.h>
	24
	25	struct node {
	26	struct sys_device sysdev;
	27	};
	28
c04fc586	29	struct memory_block;
0fc44159 YG	30	extern struct node node_devices[];
0fc44159 YG	31
1da177e4	32	extern int register_node(struct node , int, struct node );
4b45099b	33	extern void unregister_node(struct node *node);
36920e06	34	#ifdef CONFIG_NUMA
0fc44159 YG	35	extern int register_one_node(int nid);
0fc44159 YG	36	extern void unregister_one_node(int nid);
76b67ed9 KH	37	extern int register_cpu_under_node(unsigned int cpu, unsigned int nid);
76b67ed9 KH	38	extern int unregister_cpu_under_node(unsigned int cpu, unsigned int nid);
c04fc586 GH	39	extern int register_mem_sect_under_node(struct memory_block *mem_blk,
	40	int nid);
	41	extern int unregister_mem_sect_under_nodes(struct memory_block *mem_blk);
76b67ed9	42	#else
36920e06 KH	43	static inline int register_one_node(int nid)
	44	{
	45	return 0;
	46	}
	47	static inline int unregister_one_node(int nid)
	48	{
	49	return 0;
	50	}
76b67ed9 KH	51	static inline int register_cpu_under_node(unsigned int cpu, unsigned int nid)
	52	{
	53	return 0;
	54	}
	55	static inline int unregister_cpu_under_node(unsigned int cpu, unsigned int nid)
	56	{
	57	return 0;
	58	}
c04fc586 GH	59	static inline int register_mem_sect_under_node(struct memory_block *mem_blk,
	60	int nid)
	61	{
	62	return 0;
	63	}
	64	static inline int unregister_mem_sect_under_nodes(struct memory_block *mem_blk)
	65	{
	66	return 0;
	67	}
76b67ed9	68	#endif
1da177e4 LT	69
	70	#define to_node(sys_device) container_of(sys_device, struct node, sysdev)
	71
	72	#endif /* _LINUX_NODE_H_ */