topology.h

 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
10struct pci_bus;
11int 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
20void 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#undef arch_cpu_is_threaded
40#define arch_cpu_is_threaded() (read_cpuid_mpidr() & MPIDR_MT_BITMASK)
41
42#include <asm-generic/topology.h>
43
44#endif /* _ASM_ARM_TOPOLOGY_H */