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/kernel.h>
6 #include <linux/numa.h> 7 #include <linux/numa.h>
7 8
8 /* Proximity bitmap length */ 9 /* Proximity bitmap length */
9 #if MAX_NUMNODES > 256 10 #if MAX_NUMNODES > 256
10 #define MAX_PXM_DOMAINS MAX_NUMNODES 11 #define MAX_PXM_DOMAINS MAX_NUMNODES
11 #else 12 #else
12 #define MAX_PXM_DOMAINS (256) /* Old pxm spe 13 #define MAX_PXM_DOMAINS (256) /* Old pxm spec is defined 8 bit */
13 #endif 14 #endif
14 15
15 extern int pxm_to_node(int); 16 extern int pxm_to_node(int);
16 extern int node_to_pxm(int); 17 extern int node_to_pxm(int);
17 extern int acpi_map_pxm_to_node(int); 18 extern int acpi_map_pxm_to_node(int);
18 extern unsigned char acpi_srat_revision; 19 extern unsigned char acpi_srat_revision;
19 extern void disable_srat(void); 20 extern void disable_srat(void);
20 21
21 extern void bad_srat(void); 22 extern void bad_srat(void);
22 extern int srat_disabled(void); 23 extern int srat_disabled(void);
23 24
24 #else /* CONFIG_ACPI 25 #else /* CONFIG_ACPI_NUMA */
25 static inline void disable_srat(void) 26 static inline void disable_srat(void)
26 { 27 {
27 } 28 }
28 static inline int pxm_to_node(int pxm) 29 static inline int pxm_to_node(int pxm)
29 { 30 {
30 return 0; 31 return 0;
31 } 32 }
32 static inline int node_to_pxm(int node) 33 static inline int node_to_pxm(int node)
33 { 34 {
34 return 0; 35 return 0;
35 } 36 }
36 #endif /* CONFIG_ACPI 37 #endif /* CONFIG_ACPI_NUMA */
37 38
38 #ifdef CONFIG_ACPI_HMAT 39 #ifdef CONFIG_ACPI_HMAT
39 extern void disable_hmat(void); 40 extern void disable_hmat(void);
40 #else /* CONFIG_ACPI 41 #else /* CONFIG_ACPI_HMAT */
41 static inline void disable_hmat(void) 42 static inline void disable_hmat(void)
42 { 43 {
43 } 44 }
44 #endif /* CONFIG_ACPI 45 #endif /* CONFIG_ACPI_HMAT */
45 #endif /* __ACPI_NUMA 46 #endif /* __ACPI_NUMA_H */
46 47
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