projects / thirdparty / kernel / stable.git / blame
| Commit | Line | Data |
|---|---|---|
| b5c5f395 | 1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
| b19af510 | 2 | /* |
| b5c5f395 | 3 | * Copyright (C) 2017-2018 Bartosz Golaszewski <brgl@bgdev.pl> |
| b19af510 BG |
4 | */ |
| 5 | ||
| b5c5f395 BG |
6 | #ifndef _LINUX_IRQ_SIM_H |
| 7 | #define _LINUX_IRQ_SIM_H | |
| 8 | ||
| b19af510 | 9 | #include <linux/irq_work.h> |
| 44e72c7e | 10 | #include <linux/device.h> |
| b19af510 BG |
11 | |
| 12 | /* | |
| 13 | * Provides a framework for allocating simulated interrupts which can be | |
| 14 | * requested like normal irqs and enqueued from process context. | |
| 15 | */ | |
| 16 | ||
| 17 | struct irq_sim_work_ctx { | |
| 18 | struct irq_work work; | |
| 06459901 | 19 | unsigned long *pending; |
| b19af510 BG |
20 | }; |
| 21 | ||
| 22 | struct irq_sim_irq_ctx { | |
| 23 | int irqnum; | |
| 24 | bool enabled; | |
| 25 | }; | |
| 26 | ||
| 27 | struct irq_sim { | |
| 28 | struct irq_sim_work_ctx work_ctx; | |
| 29 | int irq_base; | |
| 30 | unsigned int irq_count; | |
| 31 | struct irq_sim_irq_ctx *irqs; | |
| 32 | }; | |
| 33 | ||
| 34 | int irq_sim_init(struct irq_sim *sim, unsigned int num_irqs); | |
| 44e72c7e BG |
35 | int devm_irq_sim_init(struct device *dev, struct irq_sim *sim, |
| 36 | unsigned int num_irqs); | |
| b19af510 BG |
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); | |
| 40 | ||
| 41 | #endif /* _LINUX_IRQ_SIM_H */ |