/* SPDX-License-Identifier: GPL-2.0+ */ /* * Copyright (C) 2017-2018 Bartosz Golaszewski <brgl@bgdev.pl> */ #ifndef _LINUX_IRQ_SIM_H #define _LINUX_IRQ_SIM_H #include <linux/irq_work.h> #include <linux/device.h> /* * Provides a framework for allocating simulated interrupts which can be * requested like normal irqs and enqueued from process context. */ struct irq_sim_work_ctx { struct irq_work work; unsigned long *pending; }; struct irq_sim_irq_ctx { int irqnum; bool enabled; }; struct irq_sim { struct irq_sim_work_ctx work_ctx; int irq_base; unsigned int irq_count; struct irq_sim_irq_ctx *irqs; }; int irq_sim_init(struct irq_sim *sim, unsigned int num_irqs); int devm_irq_sim_init(struct device *dev, struct irq_sim *sim, unsigned int num_irqs); void irq_sim_fini(struct irq_sim *sim); void irq_sim_fire(struct irq_sim *sim, unsigned int offset); int irq_sim_irqnum(struct irq_sim *sim, unsigned int offset); #endif /* _LINUX_IRQ_SIM_H */