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