1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef __ACPI_NUMA_H
 3#define __ACPI_NUMA_H
 4
 5#ifdef CONFIG_ACPI_NUMA
 6#include <linux/kernel.h>
 7#include <linux/numa.h>
 8
 9/* Proximity bitmap length */
10#if MAX_NUMNODES > 256
11#define MAX_PXM_DOMAINS MAX_NUMNODES
12#else
13#define MAX_PXM_DOMAINS (256)	/* Old pxm spec is defined 8 bit */
14#endif
15
16extern int pxm_to_node(int);
17extern int node_to_pxm(int);
18extern int acpi_map_pxm_to_node(int);
19extern unsigned char acpi_srat_revision;
20extern int acpi_numa __initdata;
21
22extern void bad_srat(void);
23extern int srat_disabled(void);
24
 
 
 
 
 
 
 
 
 
 
 
 
25#endif				/* CONFIG_ACPI_NUMA */
26#endif				/* __ACP_NUMA_H */
 
 
 
 
 
 
 
 

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