diff options
Diffstat (limited to 'include/linux/irq_sim.h')
| -rw-r--r-- | include/linux/irq_sim.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/include/linux/irq_sim.h b/include/linux/irq_sim.h new file mode 100644 index 000000000000..89b4d8ff274b --- /dev/null +++ b/include/linux/irq_sim.h @@ -0,0 +1,43 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2017-2018 Bartosz Golaszewski <brgl@bgdev.pl> + * Copyright (C) 2020 Bartosz Golaszewski <bgolaszewski@baylibre.com> + */ + +#ifndef _LINUX_IRQ_SIM_H +#define _LINUX_IRQ_SIM_H + +#include <linux/device.h> +#include <linux/fwnode.h> +#include <linux/irqdomain.h> + +/* + * Provides a framework for allocating simulated interrupts which can be + * requested like normal irqs and enqueued from process context. + */ + +struct irq_sim_ops { + int (*irq_sim_irq_requested)(struct irq_domain *domain, + irq_hw_number_t hwirq, void *data); + void (*irq_sim_irq_released)(struct irq_domain *domain, + irq_hw_number_t hwirq, void *data); +}; + +struct irq_domain *irq_domain_create_sim(struct fwnode_handle *fwnode, + unsigned int num_irqs); +struct irq_domain *devm_irq_domain_create_sim(struct device *dev, + struct fwnode_handle *fwnode, + unsigned int num_irqs); +struct irq_domain *irq_domain_create_sim_full(struct fwnode_handle *fwnode, + unsigned int num_irqs, + const struct irq_sim_ops *ops, + void *data); +struct irq_domain * +devm_irq_domain_create_sim_full(struct device *dev, + struct fwnode_handle *fwnode, + unsigned int num_irqs, + const struct irq_sim_ops *ops, + void *data); +void irq_domain_remove_sim(struct irq_domain *domain); + +#endif /* _LINUX_IRQ_SIM_H */ |