bcd1d19322
Add a closing comment to the endif with the configuration information to which the endif belongs too. To make the code more clearer if the configs need adaptions. Signed-off-by: Simon Hein <Shein@baumer.com>
109 lines
2.9 KiB
C
109 lines
2.9 KiB
C
/*
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* Copyright (c) 2024 Intel Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ZEPHYR_KERNEL_INCLUDE_PRIORITY_Q_H_
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#define ZEPHYR_KERNEL_INCLUDE_PRIORITY_Q_H_
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/* Dump Scheduling */
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#if defined(CONFIG_SCHED_DUMB)
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#define _priq_run_add z_priq_dumb_add
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#define _priq_run_remove z_priq_dumb_remove
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# if defined(CONFIG_SCHED_CPU_MASK)
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# define _priq_run_best _priq_dumb_mask_best
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# else
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# define _priq_run_best z_priq_dumb_best
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# endif /* CONFIG_SCHED_CPU_MASK */
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/* Scalable Scheduling */
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#elif defined(CONFIG_SCHED_SCALABLE)
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#define _priq_run_add z_priq_rb_add
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#define _priq_run_remove z_priq_rb_remove
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#define _priq_run_best z_priq_rb_best
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/* Multi Queue Scheduling */
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#elif defined(CONFIG_SCHED_MULTIQ)
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# if defined(CONFIG_64BIT)
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# define NBITS 64
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# else
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# define NBITS 32
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# endif
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#define _priq_run_add z_priq_mq_add
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#define _priq_run_remove z_priq_mq_remove
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#define _priq_run_best z_priq_mq_best
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static ALWAYS_INLINE void z_priq_mq_add(struct _priq_mq *pq, struct k_thread *thread);
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static ALWAYS_INLINE void z_priq_mq_remove(struct _priq_mq *pq, struct k_thread *thread);
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#endif
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/* Scalable Wait Queue */
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#if defined(CONFIG_WAITQ_SCALABLE)
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#define z_priq_wait_add z_priq_rb_add
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#define _priq_wait_remove z_priq_rb_remove
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#define _priq_wait_best z_priq_rb_best
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/* Dump Wait Queue */
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#elif defined(CONFIG_WAITQ_DUMB)
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#define z_priq_wait_add z_priq_dumb_add
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#define _priq_wait_remove z_priq_dumb_remove
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#define _priq_wait_best z_priq_dumb_best
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#endif
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/* Dumb Scheduling*/
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struct k_thread *z_priq_dumb_best(sys_dlist_t *pq);
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void z_priq_dumb_remove(sys_dlist_t *pq, struct k_thread *thread);
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/* Scalable Scheduling */
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void z_priq_rb_add(struct _priq_rb *pq, struct k_thread *thread);
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void z_priq_rb_remove(struct _priq_rb *pq, struct k_thread *thread);
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/* Multi Queue Scheduling */
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struct k_thread *z_priq_mq_best(struct _priq_mq *pq);
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struct k_thread *z_priq_rb_best(struct _priq_rb *pq);
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bool z_priq_rb_lessthan(struct rbnode *a, struct rbnode *b);
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#ifdef CONFIG_SCHED_MULTIQ
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struct prio_info {
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uint8_t offset_prio;
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uint8_t idx;
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uint8_t bit;
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};
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static ALWAYS_INLINE struct prio_info get_prio_info(int8_t old_prio)
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{
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struct prio_info ret;
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ret.offset_prio = old_prio - K_HIGHEST_THREAD_PRIO;
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ret.idx = ret.offset_prio / NBITS;
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ret.bit = ret.offset_prio % NBITS;
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return ret;
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}
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static ALWAYS_INLINE void z_priq_mq_add(struct _priq_mq *pq,
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struct k_thread *thread)
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{
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struct prio_info pos = get_prio_info(thread->base.prio);
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sys_dlist_append(&pq->queues[pos.offset_prio], &thread->base.qnode_dlist);
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pq->bitmask[pos.idx] |= BIT(pos.bit);
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}
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static ALWAYS_INLINE void z_priq_mq_remove(struct _priq_mq *pq,
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struct k_thread *thread)
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{
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struct prio_info pos = get_prio_info(thread->base.prio);
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sys_dlist_remove(&thread->base.qnode_dlist);
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if (sys_dlist_is_empty(&pq->queues[pos.offset_prio])) {
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pq->bitmask[pos.idx] &= ~BIT(pos.bit);
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}
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}
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#endif /* CONFIG_SCHED_MULTIQ */
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#endif /* ZEPHYR_KERNEL_INCLUDE_PRIORITY_Q_H_ */
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