1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __ACPI_NUMA_H
3#define __ACPI_NUMA_H
4
5#ifdef CONFIG_ACPI_NUMA
6#include <linux/kernel.h>
7#include <linux/numa.h>
8
9/* Proximity bitmap length */
10#if MAX_NUMNODES > 256
11#define MAX_PXM_DOMAINS MAX_NUMNODES
12#else
13#define MAX_PXM_DOMAINS (256) /* Old pxm spec is defined 8 bit */
14#endif
15
16extern int pxm_to_node(int);
17extern int node_to_pxm(int);
18extern int acpi_map_pxm_to_node(int);
19extern unsigned char acpi_srat_revision;
20extern int acpi_numa __initdata;
21
22extern void bad_srat(void);
23extern int srat_disabled(void);
24
25#endif /* CONFIG_ACPI_NUMA */
26#endif /* __ACP_NUMA_H */
27