xref: /openbmc/linux/arch/arm64/include/asm/topology.h (revision dbdc671d)
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 
9 struct pci_bus;
10 int pcibus_to_node(struct pci_bus *bus);
11 #define cpumask_of_pcibus(bus)	(pcibus_to_node(bus) == -1 ?		\
12 				 cpu_all_mask :				\
13 				 cpumask_of_node(pcibus_to_node(bus)))
14 
15 #endif /* CONFIG_NUMA */
16 
17 #include <linux/arch_topology.h>
18 
19 void update_freq_counters_refs(void);
20 void topology_scale_freq_tick(void);
21 
22 #ifdef CONFIG_ARM64_AMU_EXTN
23 /*
24  * Replace task scheduler's default counter-based
25  * frequency-invariance scale factor setting.
26  */
27 #define arch_scale_freq_tick topology_scale_freq_tick
28 #endif /* CONFIG_ARM64_AMU_EXTN */
29 
30 /* Replace task scheduler's default frequency-invariant accounting */
31 #define arch_set_freq_scale topology_set_freq_scale
32 #define arch_scale_freq_capacity topology_get_freq_scale
33 #define arch_scale_freq_invariant topology_scale_freq_invariant
34 
35 /* Replace task scheduler's default cpu-invariant accounting */
36 #define arch_scale_cpu_capacity topology_get_cpu_scale
37 
38 /* Enable topology flag updates */
39 #define arch_update_cpu_topology topology_update_cpu_topology
40 
41 /* Replace task scheduler's default thermal pressure API */
42 #define arch_scale_thermal_pressure topology_get_thermal_pressure
43 #define arch_set_thermal_pressure   topology_set_thermal_pressure
44 
45 #include <asm-generic/topology.h>
46 
47 #endif /* _ASM_ARM_TOPOLOGY_H */
48