mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-02 22:56:42 +07:00
44e72c7ebf
Add a resource managed version of irq_sim_init(). This can be conveniently used in device drivers. Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl> Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Cc: Lars-Peter Clausen <lars@metafoo.de> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Marc Zyngier <marc.zyngier@arm.com> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: linux-doc@vger.kernel.org Cc: linux-gpio@vger.kernel.org Cc: Bamvor Jian Zhang <bamvor.zhangjian@linaro.org> Cc: Jonathan Cameron <jic23@kernel.org> Link: http://lkml.kernel.org/r/20170814145318.6495-3-brgl@bgdev.pl Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
45 lines
1.2 KiB
C
45 lines
1.2 KiB
C
#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 */
|