[mirror_ubuntu-bionic-kernel.git] / include / acpi / acpi_numa.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ACPI_NUMA_H
#define __ACPI_NUMA_H

#ifdef CONFIG_ACPI_NUMA
#include <linux/kernel.h>
#include <linux/numa.h>

/* Proximity bitmap length */
#if MAX_NUMNODES > 256
#define MAX_PXM_DOMAINS MAX_NUMNODES
#else
#define MAX_PXM_DOMAINS (256)	/* Old pxm spec is defined 8 bit */
#endif

extern int pxm_to_node(int);
extern int node_to_pxm(int);
extern int acpi_map_pxm_to_node(int);
extern unsigned char acpi_srat_revision;
extern int acpi_numa __initdata;

extern void bad_srat(void);
extern int srat_disabled(void);

#endif				/* CONFIG_ACPI_NUMA */
#endif				/* __ACP_NUMA_H */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
762834e8 YG	2	#ifndef __ACPI_NUMA_H
	3	#define __ACPI_NUMA_H
	4
	5	#ifdef CONFIG_ACPI_NUMA
	6	#include <linux/kernel.h>
a0c2d9c1	7	#include <linux/numa.h>
762834e8 YG	8
	9	/* Proximity bitmap length */
	10	#if MAX_NUMNODES > 256
	11	#define MAX_PXM_DOMAINS MAX_NUMNODES
	12	#else
fd350943	13	#define MAX_PXM_DOMAINS (256) /* Old pxm spec is defined 8 bit */
762834e8 YG	14	#endif
762834e8 YG	15
f363d16f AD	16	extern int pxm_to_node(int);
f363d16f AD	17	extern int node_to_pxm(int);
8ff6f48d	18	extern int acpi_map_pxm_to_node(int);
8df0eb7c	19	extern unsigned char acpi_srat_revision;
e84025e2 DD	20	extern int acpi_numa __initdata;
	21
	22	extern void bad_srat(void);
	23	extern int srat_disabled(void);
762834e8 YG	24
	25	#endif /* CONFIG_ACPI_NUMA */
	26	#endif /* __ACP_NUMA_H */