| #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 */ |