/* SPDX-License-Identifier: GPL-2.0 */

  #ifndef __ACPI_NUMA_H
  #define __ACPI_NUMA_H
  
  #ifdef CONFIG_ACPI_NUMA
  #include <linux/kernel.h>

  #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;
  }

  #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				/* __ACP_NUMA_H */