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#ifndef _LINUX_IRQ_SIM_H
#define _LINUX_IRQ_SIM_H
/*
* Copyright (C) 2017 Bartosz Golaszewski <brgl@bgdev.pl>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*/
#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;
int irq;
};
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 */
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