xref: /OK3568_Linux_fs/kernel/arch/arm64/include/asm/topology.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef __ASM_TOPOLOGY_H
3*4882a593Smuzhiyun #define __ASM_TOPOLOGY_H
4*4882a593Smuzhiyun 
5*4882a593Smuzhiyun #include <linux/cpumask.h>
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #ifdef CONFIG_NUMA
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun struct pci_bus;
10*4882a593Smuzhiyun int pcibus_to_node(struct pci_bus *bus);
11*4882a593Smuzhiyun #define cpumask_of_pcibus(bus)	(pcibus_to_node(bus) == -1 ?		\
12*4882a593Smuzhiyun 				 cpu_all_mask :				\
13*4882a593Smuzhiyun 				 cpumask_of_node(pcibus_to_node(bus)))
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun #endif /* CONFIG_NUMA */
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun #include <linux/arch_topology.h>
18*4882a593Smuzhiyun 
19*4882a593Smuzhiyun #ifdef CONFIG_ARM64_AMU_EXTN
20*4882a593Smuzhiyun /*
21*4882a593Smuzhiyun  * Replace task scheduler's default counter-based
22*4882a593Smuzhiyun  * frequency-invariance scale factor setting.
23*4882a593Smuzhiyun  */
24*4882a593Smuzhiyun void topology_scale_freq_tick(void);
25*4882a593Smuzhiyun #define arch_scale_freq_tick topology_scale_freq_tick
26*4882a593Smuzhiyun #endif /* CONFIG_ARM64_AMU_EXTN */
27*4882a593Smuzhiyun 
28*4882a593Smuzhiyun /* Replace task scheduler's default frequency-invariant accounting */
29*4882a593Smuzhiyun #define arch_set_freq_scale topology_set_freq_scale
30*4882a593Smuzhiyun #define arch_scale_freq_capacity topology_get_freq_scale
31*4882a593Smuzhiyun #define arch_scale_freq_invariant topology_scale_freq_invariant
32*4882a593Smuzhiyun 
33*4882a593Smuzhiyun /* Replace task scheduler's default cpu-invariant accounting */
34*4882a593Smuzhiyun #define arch_scale_cpu_capacity topology_get_cpu_scale
35*4882a593Smuzhiyun 
36*4882a593Smuzhiyun /* Enable topology flag updates */
37*4882a593Smuzhiyun #define arch_update_cpu_topology topology_update_cpu_topology
38*4882a593Smuzhiyun 
39*4882a593Smuzhiyun /* Replace task scheduler's default thermal pressure API */
40*4882a593Smuzhiyun #define arch_scale_thermal_pressure topology_get_thermal_pressure
41*4882a593Smuzhiyun #define arch_set_thermal_pressure   topology_set_thermal_pressure
42*4882a593Smuzhiyun 
43*4882a593Smuzhiyun #include <asm-generic/topology.h>
44*4882a593Smuzhiyun 
45*4882a593Smuzhiyun #endif /* _ASM_ARM_TOPOLOGY_H */
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