projects / linux-block.git / blame
| 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 */ |