arch/arm64/include/asm/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
   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 #ifdef CONFIG_ARM64_AMU_EXTN
  20 /*
  21  * Replace task scheduler's default counter-based
  22  * frequency-invariance scale factor setting.
  23  */
  24 void topology_scale_freq_tick(void);
  25 #define arch_scale_freq_tick topology_scale_freq_tick
  26 #endif /* CONFIG_ARM64_AMU_EXTN */
  27
  28 /* Replace task scheduler's default frequency-invariant accounting */
  29 #define arch_scale_freq_capacity topology_get_freq_scale
  30
  31 /* Replace task scheduler's default cpu-invariant accounting */
  32 #define arch_scale_cpu_capacity topology_get_cpu_scale
  33
  34 /* Enable topology flag updates */
  35 #define arch_update_cpu_topology topology_update_cpu_topology
  36
  37 /* Replace task scheduler's default thermal pressure retrieve API */
  38 #define arch_scale_thermal_pressure topology_get_thermal_pressure
  39
  40 #include <asm-generic/topology.h>
  41
  42 #endif /* _ASM_ARM_TOPOLOGY_H */