xref: /linux/kernel/sched/ext/idle.h (revision 7603d8e78023e5883e075b4625fbdf059c6384f7)
1bba2c361STejun Heo /* SPDX-License-Identifier: GPL-2.0 */
2bba2c361STejun Heo /*
3bba2c361STejun Heo  * BPF extensible scheduler class: Documentation/scheduler/sched-ext.rst
4bba2c361STejun Heo  *
5bba2c361STejun Heo  * Copyright (c) 2022 Meta Platforms, Inc. and affiliates.
6bba2c361STejun Heo  * Copyright (c) 2022 Tejun Heo <tj@kernel.org>
7bba2c361STejun Heo  * Copyright (c) 2022 David Vernet <dvernet@meta.com>
8bba2c361STejun Heo  * Copyright (c) 2024 Andrea Righi <arighi@nvidia.com>
9bba2c361STejun Heo  */
10bba2c361STejun Heo #ifndef _KERNEL_SCHED_EXT_IDLE_H
11bba2c361STejun Heo #define _KERNEL_SCHED_EXT_IDLE_H
12bba2c361STejun Heo 
13*3cd1f76bSTejun Heo #include <linux/btf_ids.h>
14*3cd1f76bSTejun Heo 
15*3cd1f76bSTejun Heo struct cpumask;
16bba2c361STejun Heo struct sched_ext_ops;
17*3cd1f76bSTejun Heo struct task_struct;
18bba2c361STejun Heo 
19bba2c361STejun Heo extern struct btf_id_set8 scx_kfunc_ids_idle;
20bba2c361STejun Heo extern struct btf_id_set8 scx_kfunc_ids_select_cpu;
21bba2c361STejun Heo 
22bba2c361STejun Heo void scx_idle_update_selcpu_topology(struct sched_ext_ops *ops);
23bba2c361STejun Heo void scx_idle_init_masks(void);
24bba2c361STejun Heo 
25bba2c361STejun Heo s32 scx_select_cpu_dfl(struct task_struct *p, s32 prev_cpu, u64 wake_flags,
26bba2c361STejun Heo 		       const struct cpumask *cpus_allowed, u64 flags);
27bba2c361STejun Heo void scx_idle_enable(struct sched_ext_ops *ops);
28bba2c361STejun Heo void scx_idle_disable(void);
29bba2c361STejun Heo int scx_idle_init(void);
30bba2c361STejun Heo 
31bba2c361STejun Heo #endif /* _KERNEL_SCHED_EXT_IDLE_H */
32