| /* 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 void bad_srat(void); |
| extern int srat_disabled(void); |
| |
| #else /* CONFIG_ACPI_NUMA */ |
| 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 */ |
