| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 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/kernel.h> |
| 7 | #include <linux/numa.h> |
| 8 | |
| 9 | /* Proximity bitmap length */ |
| 10 | #if MAX_NUMNODES > 256 |
| 11 | #define MAX_PXM_DOMAINS MAX_NUMNODES |
| 12 | #else |
| 13 | #define MAX_PXM_DOMAINS (256) /* Old pxm spec is defined 8 bit */ |
| 14 | #endif |
| 15 | |
| 16 | extern int pxm_to_node(int); |
| 17 | extern int node_to_pxm(int); |
| 18 | extern int acpi_map_pxm_to_node(int); |
| 19 | extern unsigned char acpi_srat_revision; |
| Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 20 | extern void disable_srat(void); |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 21 | |
| 22 | extern void bad_srat(void); |
| 23 | extern int srat_disabled(void); |
| 24 | |
| Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 25 | #else /* CONFIG_ACPI_NUMA */ |
| 26 | static inline void disable_srat(void) |
| 27 | { |
| 28 | } |
| 29 | static inline int pxm_to_node(int pxm) |
| 30 | { |
| 31 | return 0; |
| 32 | } |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 33 | #endif /* CONFIG_ACPI_NUMA */ |
| Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 34 | |
| 35 | #ifdef CONFIG_ACPI_HMAT |
| 36 | extern void disable_hmat(void); |
| 37 | #else /* CONFIG_ACPI_HMAT */ |
| 38 | static inline void disable_hmat(void) |
| 39 | { |
| 40 | } |
| 41 | #endif /* CONFIG_ACPI_HMAT */ |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 42 | #endif /* __ACP_NUMA_H */ |