Commit | Line | Data |
---|---|---|
b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
762834e8 YG |
2 | #ifndef __ACPI_NUMA_H |
3 | #define __ACPI_NUMA_H | |
4 | ||
5 | #ifdef CONFIG_ACPI_NUMA | |
a0c2d9c1 | 6 | #include <linux/numa.h> |
762834e8 YG |
7 | |
8 | /* Proximity bitmap length */ | |
9 | #if MAX_NUMNODES > 256 | |
10 | #define MAX_PXM_DOMAINS MAX_NUMNODES | |
11 | #else | |
fd350943 | 12 | #define MAX_PXM_DOMAINS (256) /* Old pxm spec is defined 8 bit */ |
762834e8 YG |
13 | #endif |
14 | ||
f363d16f AD |
15 | extern int pxm_to_node(int); |
16 | extern int node_to_pxm(int); | |
8ff6f48d | 17 | extern int acpi_map_pxm_to_node(int); |
8df0eb7c | 18 | extern unsigned char acpi_srat_revision; |
2dd57d34 | 19 | extern void disable_srat(void); |
e84025e2 DD |
20 | |
21 | extern void bad_srat(void); | |
22 | extern int srat_disabled(void); | |
762834e8 | 23 | |
2dd57d34 DW |
24 | #else /* CONFIG_ACPI_NUMA */ |
25 | static inline void disable_srat(void) | |
26 | { | |
27 | } | |
4849bc77 NC |
28 | static inline int pxm_to_node(int pxm) |
29 | { | |
30 | return 0; | |
31 | } | |
4f0455cf WL |
32 | static inline int node_to_pxm(int node) |
33 | { | |
34 | return 0; | |
35 | } | |
762834e8 | 36 | #endif /* CONFIG_ACPI_NUMA */ |
3b0d3101 DW |
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 */ | |
237a47eb | 45 | #endif /* __ACPI_NUMA_H */ |