| /* SPDX-License-Identifier: GPL-2.0 */ | |
| #ifndef __ACPI_NUMA_H | |
| #define __ACPI_NUMA_H | |
| #ifdef CONFIG_ACPI_NUMA | |
| #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 void disable_srat(void); | |
| extern int fix_pxm_node_maps(int max_nid); | |
| extern void bad_srat(void); | |
| extern int srat_disabled(void); | |
| #else /* CONFIG_ACPI_NUMA */ | |
| static inline int fix_pxm_node_maps(int max_nid) | |
| { | |
| return 0; | |
| } | |
| static inline void disable_srat(void) | |
| { | |
| } | |
| static inline int pxm_to_node(int pxm) | |
| { | |
| return 0; | |
| } | |
| static inline int node_to_pxm(int node) | |
| { | |
| return 0; | |
| } | |
| #endif /* CONFIG_ACPI_NUMA */ | |
| #ifdef CONFIG_ACPI_HMAT | |
| extern void disable_hmat(void); | |
| #else /* CONFIG_ACPI_HMAT */ | |
| static inline void disable_hmat(void) | |
| { | |
| } | |
| #endif /* CONFIG_ACPI_HMAT */ | |
| #endif /* __ACPI_NUMA_H */ |