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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
42 lines
971 B
C
42 lines
971 B
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright (C) 2017-2018 Bartosz Golaszewski <brgl@bgdev.pl>
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*/
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#ifndef _LINUX_IRQ_SIM_H
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#define _LINUX_IRQ_SIM_H
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#include <linux/irq_work.h>
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#include <linux/device.h>
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/*
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* Provides a framework for allocating simulated interrupts which can be
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* requested like normal irqs and enqueued from process context.
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*/
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struct irq_sim_work_ctx {
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struct irq_work work;
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int irq;
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};
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struct irq_sim_irq_ctx {
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int irqnum;
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bool enabled;
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};
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struct irq_sim {
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struct irq_sim_work_ctx work_ctx;
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int irq_base;
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unsigned int irq_count;
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struct irq_sim_irq_ctx *irqs;
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};
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int irq_sim_init(struct irq_sim *sim, unsigned int num_irqs);
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int devm_irq_sim_init(struct device *dev, struct irq_sim *sim,
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unsigned int num_irqs);
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void irq_sim_fini(struct irq_sim *sim);
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void irq_sim_fire(struct irq_sim *sim, unsigned int offset);
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int irq_sim_irqnum(struct irq_sim *sim, unsigned int offset);
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#endif /* _LINUX_IRQ_SIM_H */
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