Файловый менеджер - Редактировать - /usr/src/linux-headers-5.4.0-200/include/linux/irq_work.h
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/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _LINUX_IRQ_WORK_H #define _LINUX_IRQ_WORK_H #include <linux/llist.h> /* * An entry can be in one of four states: * * free NULL, 0 -> {claimed} : free to be used * claimed NULL, 3 -> {pending} : claimed to be enqueued * pending next, 3 -> {busy} : queued, pending callback * busy NULL, 2 -> {free, claimed} : callback in progress, can be claimed */ #define IRQ_WORK_PENDING BIT(0) #define IRQ_WORK_BUSY BIT(1) /* Doesn't want IPI, wait for tick: */ #define IRQ_WORK_LAZY BIT(2) #define IRQ_WORK_CLAIMED (IRQ_WORK_PENDING | IRQ_WORK_BUSY) struct irq_work { unsigned long flags; struct llist_node llnode; void (*func)(struct irq_work *); }; static inline void init_irq_work(struct irq_work *work, void (*func)(struct irq_work *)) { work->flags = 0; work->func = func; } #define DEFINE_IRQ_WORK(name, _f) struct irq_work name = { .func = (_f), } bool irq_work_queue(struct irq_work *work); bool irq_work_queue_on(struct irq_work *work, int cpu); void irq_work_tick(void); void irq_work_sync(struct irq_work *work); #ifdef CONFIG_IRQ_WORK #include <asm/irq_work.h> void irq_work_run(void); bool irq_work_needs_cpu(void); #else static inline bool irq_work_needs_cpu(void) { return false; } static inline void irq_work_run(void) { } #endif #endif /* _LINUX_IRQ_WORK_H */
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