14  * Interrupt controller "domain" data structure. This could be defined as a
15  * irq domain controller. That is, it handles the mapping between hardware
16  * and virtual interrupt numbers for a given interrupt domain. The domain
18  * (though a domain can cover more than one PIC if they have a flat number
19  * model). It's the domain callbacks that are responsible for setting the
23  * identify the domain. In some cases, and in order to preserve source
122  * @name:	Name of interrupt domain
128  * @mutex:	Domain lock, hierarchical domains use root domain's lock
129  * @root:	Pointer to root domain, or containing structure if non-hierarchical
141  *		purposes related to the irq domain.
143  * @msi_parent_ops: Pointer to MSI parent domain methods for per device domain init
145  * Revmap data, used internally by the irq domain code:
180 /* Irq domain flags */
182 	/* Irq domain is hierarchical */
185 	/* Irq domain name was allocated in __irq_domain_add() */
188 	/* Irq domain is an IPI domain with virq per cpu */
191 	/* Irq domain is an IPI domain with single virq */
194 	/* Irq domain implements MSIs */
198 	 * Irq domain implements isolated MSI, see msi_device_has_isolated_msi()
202 	/* Irq domain doesn't translate anything */
205 	/* Irq domain is a MSI parent domain */
208 	/* Irq domain is a MSI device domain */
301 extern void irq_domain_update_bus_token(struct irq_domain *domain,
344  * @size: Number of interrupts in the domain.
345  * @ops: map/unmap domain callbacks
392 extern int irq_domain_associate(struct irq_domain *domain, unsigned int irq,
394 extern void irq_domain_associate_many(struct irq_domain *domain,
410 extern struct irq_desc *__irq_resolve_mapping(struct irq_domain *domain,
414 static inline struct irq_desc *irq_resolve_mapping(struct irq_domain *domain,  in irq_resolve_mapping()  argument
417 	return __irq_resolve_mapping(domain, hwirq, NULL);  in irq_resolve_mapping()
422  * @domain: domain owning this hardware interrupt
423  * @hwirq: hardware irq number in that domain space
425 static inline unsigned int irq_find_mapping(struct irq_domain *domain,  in irq_find_mapping()  argument
430 	if (__irq_resolve_mapping(domain, hwirq, &irq))  in irq_find_mapping()
436 static inline unsigned int irq_linear_revmap(struct irq_domain *domain,  in irq_linear_revmap()  argument
439 	return irq_find_mapping(domain, hwirq);  in irq_linear_revmap()
466 int irq_reserve_ipi(struct irq_domain *domain, const struct cpumask *dest);
470 extern struct irq_data *irq_domain_get_irq_data(struct irq_domain *domain,
472 extern void irq_domain_set_info(struct irq_domain *domain, unsigned int virq,
496 extern int __irq_domain_alloc_irqs(struct irq_domain *domain, int irq_base,
504 static inline int irq_domain_alloc_irqs(struct irq_domain *domain,  in irq_domain_alloc_irqs()  argument
507 	return __irq_domain_alloc_irqs(domain, -1, nr_irqs, node, arg, false,  in irq_domain_alloc_irqs()
511 extern int irq_domain_alloc_irqs_hierarchy(struct irq_domain *domain,
514 extern int irq_domain_set_hwirq_and_chip(struct irq_domain *domain,
519 extern void irq_domain_free_irqs_common(struct irq_domain *domain,
522 extern void irq_domain_free_irqs_top(struct irq_domain *domain,
525 extern int irq_domain_push_irq(struct irq_domain *domain, int virq, void *arg);
526 extern int irq_domain_pop_irq(struct irq_domain *domain, int virq);
528 extern int irq_domain_alloc_irqs_parent(struct irq_domain *domain,
532 extern void irq_domain_free_irqs_parent(struct irq_domain *domain,
536 extern int irq_domain_disconnect_hierarchy(struct irq_domain *domain,
539 static inline bool irq_domain_is_hierarchy(struct irq_domain *domain)  in irq_domain_is_hierarchy()  argument
541 	return domain->flags & IRQ_DOMAIN_FLAG_HIERARCHY;  in irq_domain_is_hierarchy()
544 static inline bool irq_domain_is_ipi(struct irq_domain *domain)  in irq_domain_is_ipi()  argument
546 	return domain->flags &  in irq_domain_is_ipi()
550 static inline bool irq_domain_is_ipi_per_cpu(struct irq_domain *domain)  in irq_domain_is_ipi_per_cpu()  argument
552 	return domain->flags & IRQ_DOMAIN_FLAG_IPI_PER_CPU;  in irq_domain_is_ipi_per_cpu()
555 static inline bool irq_domain_is_ipi_single(struct irq_domain *domain)  in irq_domain_is_ipi_single()  argument
557 	return domain->flags & IRQ_DOMAIN_FLAG_IPI_SINGLE;  in irq_domain_is_ipi_single()
560 static inline bool irq_domain_is_msi(struct irq_domain *domain)  in irq_domain_is_msi()  argument
562 	return domain->flags & IRQ_DOMAIN_FLAG_MSI;  in irq_domain_is_msi()
565 static inline bool irq_domain_is_msi_parent(struct irq_domain *domain)  in irq_domain_is_msi_parent()  argument
567 	return domain->flags & IRQ_DOMAIN_FLAG_MSI_PARENT;  in irq_domain_is_msi_parent()
570 static inline bool irq_domain_is_msi_device(struct irq_domain *domain)  in irq_domain_is_msi_device()  argument
572 	return domain->flags & IRQ_DOMAIN_FLAG_MSI_DEVICE;  in irq_domain_is_msi_device()
576 static inline int irq_domain_alloc_irqs(struct irq_domain *domain,  in irq_domain_alloc_irqs()  argument
585 static inline bool irq_domain_is_hierarchy(struct irq_domain *domain)  in irq_domain_is_hierarchy()  argument
590 static inline bool irq_domain_is_ipi(struct irq_domain *domain)  in irq_domain_is_ipi()  argument
595 static inline bool irq_domain_is_ipi_per_cpu(struct irq_domain *domain)  in irq_domain_is_ipi_per_cpu()  argument
600 static inline bool irq_domain_is_ipi_single(struct irq_domain *domain)  in irq_domain_is_ipi_single()  argument
605 static inline bool irq_domain_is_msi(struct irq_domain *domain)  in irq_domain_is_msi()  argument
610 static inline bool irq_domain_is_msi_parent(struct irq_domain *domain)  in irq_domain_is_msi_parent()  argument
615 static inline bool irq_domain_is_msi_device(struct irq_domain *domain)  in irq_domain_is_msi_device()  argument