215 static void msi_check_level(struct irq_domain *domain, struct msi_msg *msg)  in msi_check_level()  argument
217 	struct msi_domain_info *info = domain->host_data;  in msi_check_level()
249 		msi_check_level(irq_data->domain, msg);  in msi_domain_set_affinity()
256 static int msi_domain_activate(struct irq_domain *domain,  in msi_domain_activate()  argument
262 	msi_check_level(irq_data->domain, msg);  in msi_domain_activate()
267 static void msi_domain_deactivate(struct irq_domain *domain,  in msi_domain_deactivate()  argument
276 static int msi_domain_alloc(struct irq_domain *domain, unsigned int virq,  in msi_domain_alloc()  argument
279 	struct msi_domain_info *info = domain->host_data;  in msi_domain_alloc()
284 	if (irq_find_mapping(domain, hwirq) > 0)  in msi_domain_alloc()
287 	if (domain->parent) {  in msi_domain_alloc()
288 		ret = irq_domain_alloc_irqs_parent(domain, virq, nr_irqs, arg);  in msi_domain_alloc()
294 		ret = ops->msi_init(domain, info, virq + i, hwirq + i, arg);  in msi_domain_alloc()
298 					ops->msi_free(domain, info, virq + i);  in msi_domain_alloc()
300 			irq_domain_free_irqs_top(domain, virq, nr_irqs);  in msi_domain_alloc()
308 static void msi_domain_free(struct irq_domain *domain, unsigned int virq,  in msi_domain_free()  argument
311 	struct msi_domain_info *info = domain->host_data;  in msi_domain_free()
316 			info->ops->msi_free(domain, info, virq + i);  in msi_domain_free()
318 	irq_domain_free_irqs_top(domain, virq, nr_irqs);  in msi_domain_free()
334 static int msi_domain_ops_prepare(struct irq_domain *domain, struct device *dev,  in msi_domain_ops_prepare()  argument
347 static int msi_domain_ops_init(struct irq_domain *domain,  in msi_domain_ops_init()  argument
352 	irq_domain_set_hwirq_and_chip(domain, virq, hwirq, info->chip,  in msi_domain_ops_init()
362 static int msi_domain_ops_check(struct irq_domain *domain,  in msi_domain_ops_check()  argument
418  * msi_create_irq_domain - Create an MSI interrupt domain
420  * @info:	MSI domain info
421  * @parent:	Parent irq domain
429 	struct irq_domain *domain;  in msi_create_irq_domain()  local
435 	domain = irq_domain_create_hierarchy(parent, IRQ_DOMAIN_FLAG_MSI, 0,  in msi_create_irq_domain()
438 	if (domain && !domain->name && info->chip)  in msi_create_irq_domain()
439 		domain->name = info->chip->name;  in msi_create_irq_domain()
441 	return domain;  in msi_create_irq_domain()
444 int msi_domain_prepare_irqs(struct irq_domain *domain, struct device *dev,  in msi_domain_prepare_irqs()  argument
447 	struct msi_domain_info *info = domain->host_data;  in msi_domain_prepare_irqs()
451 	ret = ops->msi_check(domain, info, dev);  in msi_domain_prepare_irqs()
453 		ret = ops->msi_prepare(domain, dev, nvec, arg);  in msi_domain_prepare_irqs()
458 int msi_domain_populate_irqs(struct irq_domain *domain, struct device *dev,  in msi_domain_populate_irqs()  argument
461 	struct msi_domain_info *info = domain->host_data;  in msi_domain_populate_irqs()
477 		/* Assumes the domain mutex is held! */  in msi_domain_populate_irqs()
478 		ret = irq_domain_alloc_irqs_hierarchy(domain, desc->irq, 1,  in msi_domain_populate_irqs()
492 			irq_domain_free_irqs_common(domain, desc->irq, 1);  in msi_domain_populate_irqs()
510 static bool msi_check_reservation_mode(struct irq_domain *domain,  in msi_check_reservation_mode()  argument
516 	switch(domain->bus_token) {  in msi_check_reservation_mode()
538 int __msi_domain_alloc_irqs(struct irq_domain *domain, struct device *dev,  in __msi_domain_alloc_irqs()  argument
541 	struct msi_domain_info *info = domain->host_data;  in __msi_domain_alloc_irqs()
549 	ret = msi_domain_prepare_irqs(domain, dev, nvec, &arg);  in __msi_domain_alloc_irqs()
556 		virq = __irq_domain_alloc_irqs(domain, -1, desc->nvec_used,  in __msi_domain_alloc_irqs()
562 				ret = ops->handle_error(domain, desc, ret);  in __msi_domain_alloc_irqs()
577 	can_reserve = msi_check_reservation_mode(domain, info, dev);  in __msi_domain_alloc_irqs()
594 		irq_data = irq_domain_get_irq_data(domain, i);  in __msi_domain_alloc_irqs()
597 			if (domain->flags & IRQ_DOMAIN_MSI_NOMASK_QUIRK)  in __msi_domain_alloc_irqs()
612 			irq_data = irq_domain_get_irq_data(domain, i);  in __msi_domain_alloc_irqs()
619 	msi_domain_free_irqs(domain, dev);  in __msi_domain_alloc_irqs()
624  * msi_domain_alloc_irqs - Allocate interrupts from a MSI interrupt domain
625  * @domain:	The domain to allocate from
632 int msi_domain_alloc_irqs(struct irq_domain *domain, struct device *dev,  in msi_domain_alloc_irqs()  argument
635 	struct msi_domain_info *info = domain->host_data;  in msi_domain_alloc_irqs()
638 	return ops->domain_alloc_irqs(domain, dev, nvec);  in msi_domain_alloc_irqs()
641 void __msi_domain_free_irqs(struct irq_domain *domain, struct device *dev)  in __msi_domain_free_irqs()  argument
648 		irq_data = irq_domain_get_irq_data(domain, i);  in __msi_domain_free_irqs()
667  * msi_domain_free_irqs - Free interrupts from a MSI interrupt @domain associated to @dev
668  * @domain:	The domain to managing the interrupts
672 void msi_domain_free_irqs(struct irq_domain *domain, struct device *dev)  in msi_domain_free_irqs()  argument
674 	struct msi_domain_info *info = domain->host_data;  in msi_domain_free_irqs()
677 	return ops->domain_free_irqs(domain, dev);  in msi_domain_free_irqs()
681  * msi_get_domain_info - Get the MSI interrupt domain info for @domain
682  * @domain:	The interrupt domain to retrieve data from
684  * Return: the pointer to the msi_domain_info stored in @domain->host_data.
686 struct msi_domain_info *msi_get_domain_info(struct irq_domain *domain)  in msi_get_domain_info()  argument
688 	return (struct msi_domain_info *)domain->host_data;  in msi_get_domain_info()