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