acpi_numa.h 1.0 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. #ifndef __ACPI_NUMA_H
  3. #define __ACPI_NUMA_H
  4. #ifdef CONFIG_ACPI_NUMA
  5. #include <linux/numa.h>
  6. /* Proximity bitmap length */
  7. #if MAX_NUMNODES > 256
  8. #define MAX_PXM_DOMAINS MAX_NUMNODES
  9. #else
  10. #define MAX_PXM_DOMAINS (256) /* Old pxm spec is defined 8 bit */
  11. #endif
  12. extern int pxm_to_node(int);
  13. extern int node_to_pxm(int);
  14. extern int acpi_map_pxm_to_node(int);
  15. extern unsigned char acpi_srat_revision;
  16. extern void disable_srat(void);
  17. extern int fix_pxm_node_maps(int max_nid);
  18. extern void bad_srat(void);
  19. extern int srat_disabled(void);
  20. #else /* CONFIG_ACPI_NUMA */
  21. static inline int fix_pxm_node_maps(int max_nid)
  22. {
  23. return 0;
  24. }
  25. static inline void disable_srat(void)
  26. {
  27. }
  28. static inline int pxm_to_node(int pxm)
  29. {
  30. return 0;
  31. }
  32. static inline int node_to_pxm(int node)
  33. {
  34. return 0;
  35. }
  36. #endif /* CONFIG_ACPI_NUMA */
  37. #ifdef CONFIG_ACPI_HMAT
  38. extern void disable_hmat(void);
  39. #else /* CONFIG_ACPI_HMAT */
  40. static inline void disable_hmat(void)
  41. {
  42. }
  43. #endif /* CONFIG_ACPI_HMAT */
  44. #endif /* __ACPI_NUMA_H */