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https://github.com/projectacrn/acrn-hypervisor.git
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891e46453d
With cpu sharing enabled, we will map acrn_vcpu to thread_object in scheduling. From modulization perspective, we'd better hide the pcpu_id in acrn_vcpu and move it to thread_object. Tracked-On: #3813 Signed-off-by: Jason Chen CJ <jason.cj.chen@intel.com> Signed-off-by: Yu Wang <yu1.wang@intel.com> Signed-off-by: Shuo A Liu <shuo.a.liu@intel.com> Acked-by: Eddie Dong <eddie.dong@intel.com>
57 lines
1.4 KiB
C
57 lines
1.4 KiB
C
/*
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* Copyright (C) 2018 Intel Corporation. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef SCHEDULE_H
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#define SCHEDULE_H
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#include <spinlock.h>
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#define NEED_RESCHEDULE (1U)
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#define DEL_MODE_INIT (1U)
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#define DEL_MODE_IPI (2U)
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struct thread_object;
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typedef void (*thread_entry_t)(struct thread_object *obj);
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typedef void (*switch_t)(struct thread_object *obj);
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struct thread_object {
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char name[16];
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uint16_t pcpu_id;
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struct sched_control *sched_ctl;
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thread_entry_t thread_entry;
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uint64_t host_sp;
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switch_t switch_out;
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switch_t switch_in;
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};
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struct sched_control {
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uint64_t flags;
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struct thread_object *curr_obj;
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spinlock_t scheduler_lock; /* to protect sched_control and thread_object */
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struct thread_object *thread_obj;
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};
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uint16_t sched_get_pcpuid(const struct thread_object *obj);
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void init_scheduler(void);
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void switch_to_idle(thread_entry_t idle_thread);
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void get_schedule_lock(uint16_t pcpu_id);
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void release_schedule_lock(uint16_t pcpu_id);
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void insert_thread_obj(struct thread_object *obj, uint16_t pcpu_id);
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void remove_thread_obj(struct thread_object *obj, uint16_t pcpu_id);
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void make_reschedule_request(uint16_t pcpu_id, uint16_t delmode);
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bool need_reschedule(uint16_t pcpu_id);
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void schedule(void);
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void run_sched_thread(struct thread_object *obj);
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void arch_switch_to(void *prev_sp, void *next_sp);
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#endif /* SCHEDULE_H */
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