1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Copyright (C) 2017-2018 Bartosz Golaszewski <brgl@bgdev.pl>
6 #ifndef _LINUX_IRQ_SIM_H
7 #define _LINUX_IRQ_SIM_H
9 #include <linux/irq_work.h>
10 #include <linux/device.h>
13 * Provides a framework for allocating simulated interrupts which can be
14 * requested like normal irqs and enqueued from process context.
17 struct irq_sim_work_ctx
{
19 unsigned long *pending
;
22 struct irq_sim_irq_ctx
{
28 struct irq_sim_work_ctx work_ctx
;
30 unsigned int irq_count
;
31 struct irq_sim_irq_ctx
*irqs
;
34 int irq_sim_init(struct irq_sim
*sim
, unsigned int num_irqs
);
35 int devm_irq_sim_init(struct device
*dev
, struct irq_sim
*sim
,
36 unsigned int num_irqs
);
37 void irq_sim_fini(struct irq_sim
*sim
);
38 void irq_sim_fire(struct irq_sim
*sim
, unsigned int offset
);
39 int irq_sim_irqnum(struct irq_sim
*sim
, unsigned int offset
);
41 #endif /* _LINUX_IRQ_SIM_H */