xref: /linux/arch/arm64/include/asm/topology.h (revision fcb3ad4366b9c810cbb9da34c076a9a52d8aa1e0)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __ASM_TOPOLOGY_H
3 #define __ASM_TOPOLOGY_H
4 
5 #include <linux/cpumask.h>
6 
7 #ifdef CONFIG_NUMA
8 #include <asm/numa.h>
9 
10 struct pci_bus;
11 int pcibus_to_node(struct pci_bus *bus);
12 #define cpumask_of_pcibus(bus)	(pcibus_to_node(bus) == -1 ?		\
13 				 cpu_all_mask :				\
14 				 cpumask_of_node(pcibus_to_node(bus)))
15 
16 #endif /* CONFIG_NUMA */
17 
18 #include <linux/arch_topology.h>
19 
20 void update_freq_counters_refs(void);
21 
22 /* Replace task scheduler's default frequency-invariant accounting */
23 #define arch_scale_freq_tick topology_scale_freq_tick
24 #define arch_set_freq_scale topology_set_freq_scale
25 #define arch_scale_freq_capacity topology_get_freq_scale
26 #define arch_scale_freq_invariant topology_scale_freq_invariant
27 #define arch_scale_freq_ref topology_get_freq_ref
28 
29 /* Replace task scheduler's default cpu-invariant accounting */
30 #define arch_scale_cpu_capacity topology_get_cpu_scale
31 
32 /* Enable topology flag updates */
33 #define arch_update_cpu_topology topology_update_cpu_topology
34 
35 /* Replace task scheduler's default HW pressure API */
36 #define arch_scale_hw_pressure topology_get_hw_pressure
37 #define arch_update_hw_pressure	topology_update_hw_pressure
38 
39 #include <asm-generic/topology.h>
40 
41 #endif /* _ASM_ARM_TOPOLOGY_H */
42