xref: /openbmc/linux/arch/arm/include/asm/topology.h (revision 2cf1c348)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _ASM_ARM_TOPOLOGY_H
3 #define _ASM_ARM_TOPOLOGY_H
4 
5 #ifdef CONFIG_ARM_CPU_TOPOLOGY
6 
7 #include <linux/cpumask.h>
8 #include <linux/arch_topology.h>
9 
10 /* big.LITTLE switcher is incompatible with frequency invariance */
11 #ifndef CONFIG_BL_SWITCHER
12 /* Replace task scheduler's default frequency-invariant accounting */
13 #define arch_set_freq_scale topology_set_freq_scale
14 #define arch_scale_freq_capacity topology_get_freq_scale
15 #define arch_scale_freq_invariant topology_scale_freq_invariant
16 #endif
17 
18 /* Replace task scheduler's default cpu-invariant accounting */
19 #define arch_scale_cpu_capacity topology_get_cpu_scale
20 
21 /* Enable topology flag updates */
22 #define arch_update_cpu_topology topology_update_cpu_topology
23 
24 /* Replace task scheduler's default thermal pressure API */
25 #define arch_scale_thermal_pressure topology_get_thermal_pressure
26 #define arch_update_thermal_pressure	topology_update_thermal_pressure
27 
28 #else
29 
30 static inline void init_cpu_topology(void) { }
31 static inline void store_cpu_topology(unsigned int cpuid) { }
32 
33 #endif
34 
35 #include <asm-generic/topology.h>
36 
37 #endif /* _ASM_ARM_TOPOLOGY_H */
38