[linux-block.git] / arch / s390 / numa / numa_mode.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * NUMA support for s390
 *
 * Define declarations used for communication between NUMA mode
 * implementations and NUMA core functionality.
 *
 * Copyright IBM Corp. 2015
 */
#ifndef __S390_NUMA_MODE_H
#define __S390_NUMA_MODE_H

struct numa_mode {
	char *name;				/* Name of mode */
	void (*setup)(void);			/* Initizalize mode */
	void (*update_cpu_topology)(void);	/* Called by topology code */
	int (*__pfn_to_nid)(unsigned long pfn);	/* PFN to node ID */
	unsigned long (*align)(void);		/* Minimum node alignment */
	int (*distance)(int a, int b);		/* Distance between two nodes */
};

extern const struct numa_mode numa_mode_plain;
extern const struct numa_mode numa_mode_emu;

#endif /* __S390_NUMA_MODE_H */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
3a368f74 PH	2	/*
	3	* NUMA support for s390
	4	*
	5	* Define declarations used for communication between NUMA mode
	6	* implementations and NUMA core functionality.
	7	*
	8	* Copyright IBM Corp. 2015
	9	*/
	10	#ifndef __S390_NUMA_MODE_H
	11	#define __S390_NUMA_MODE_H
	12
	13	struct numa_mode {
	14	char name; / Name of mode */
	15	void (setup)(void); / Initizalize mode */
	16	void (update_cpu_topology)(void); / Called by topology code */
	17	int (__pfn_to_nid)(unsigned long pfn); / PFN to node ID */
	18	unsigned long (align)(void); / Minimum node alignment */
	19	int (distance)(int a, int b); / Distance between two nodes */
	20	};
	21
	22	extern const struct numa_mode numa_mode_plain;
c29a7baf	23	extern const struct numa_mode numa_mode_emu;
3a368f74 PH	24
3a368f74 PH	25	#endif /* __S390_NUMA_MODE_H */