acpi_numa.h 944 B

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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 void bad_srat(void);
  18. extern int srat_disabled(void);
  19. #else /* CONFIG_ACPI_NUMA */
  20. static inline void disable_srat(void)
  21. {
  22. }
  23. static inline int pxm_to_node(int pxm)
  24. {
  25. return 0;
  26. }
  27. static inline int node_to_pxm(int node)
  28. {
  29. return 0;
  30. }
  31. #endif /* CONFIG_ACPI_NUMA */
  32. #ifdef CONFIG_ACPI_HMAT
  33. extern void disable_hmat(void);
  34. #else /* CONFIG_ACPI_HMAT */
  35. static inline void disable_hmat(void)
  36. {
  37. }
  38. #endif /* CONFIG_ACPI_HMAT */
  39. #endif /* __ACPI_NUMA_H */