b5c5f3959b
Use C-style comment for the identifier as per Documentation/process/license-rules.rst and remove the license boilerplate. Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lkml.kernel.org/r/20180426200747.8344-2-brgl@bgdev.pl
41 lines
971 B
C
41 lines
971 B
C
/* 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;
|
|
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 */
|