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