79 static void msi_check_level(struct irq_domain *domain, struct msi_msg *msg)  in msi_check_level()  argument
81 	struct msi_domain_info *info = domain->host_data;  in msi_check_level()
111 		msi_check_level(irq_data->domain, msg);  in msi_domain_set_affinity()
118 static int msi_domain_activate(struct irq_domain *domain,  in msi_domain_activate()  argument
124 	msi_check_level(irq_data->domain, msg);  in msi_domain_activate()
129 static void msi_domain_deactivate(struct irq_domain *domain,  in msi_domain_deactivate()  argument
138 static int msi_domain_alloc(struct irq_domain *domain, unsigned int virq,  in msi_domain_alloc()  argument
141 	struct msi_domain_info *info = domain->host_data;  in msi_domain_alloc()
146 	if (irq_find_mapping(domain, hwirq) > 0)  in msi_domain_alloc()
149 	if (domain->parent) {  in msi_domain_alloc()
150 		ret = irq_domain_alloc_irqs_parent(domain, virq, nr_irqs, arg);  in msi_domain_alloc()
156 		ret = ops->msi_init(domain, info, virq + i, hwirq + i, arg);  in msi_domain_alloc()
160 					ops->msi_free(domain, info, virq + i);  in msi_domain_alloc()
162 			irq_domain_free_irqs_top(domain, virq, nr_irqs);  in msi_domain_alloc()
170 static void msi_domain_free(struct irq_domain *domain, unsigned int virq,  in msi_domain_free()  argument
173 	struct msi_domain_info *info = domain->host_data;  in msi_domain_free()
178 			info->ops->msi_free(domain, info, virq + i);  in msi_domain_free()
180 	irq_domain_free_irqs_top(domain, virq, nr_irqs);  in msi_domain_free()
196 static int msi_domain_ops_prepare(struct irq_domain *domain, struct device *dev,  in msi_domain_ops_prepare()  argument
209 static int msi_domain_ops_init(struct irq_domain *domain,  in msi_domain_ops_init()  argument
214 	irq_domain_set_hwirq_and_chip(domain, virq, hwirq, info->chip,  in msi_domain_ops_init()
224 static int msi_domain_ops_check(struct irq_domain *domain,  in msi_domain_ops_check()  argument
280  * msi_create_irq_domain - Create a MSI interrupt domain
282  * @info:	MSI domain info
283  * @parent:	Parent irq domain
289 	struct irq_domain *domain;  in msi_create_irq_domain()  local
295 	domain = irq_domain_create_hierarchy(parent, IRQ_DOMAIN_FLAG_MSI, 0,  in msi_create_irq_domain()
298 	if (domain && !domain->name && info->chip)  in msi_create_irq_domain()
299 		domain->name = info->chip->name;  in msi_create_irq_domain()
301 	return domain;  in msi_create_irq_domain()
304 int msi_domain_prepare_irqs(struct irq_domain *domain, struct device *dev,  in msi_domain_prepare_irqs()  argument
307 	struct msi_domain_info *info = domain->host_data;  in msi_domain_prepare_irqs()
311 	ret = ops->msi_check(domain, info, dev);  in msi_domain_prepare_irqs()
313 		ret = ops->msi_prepare(domain, dev, nvec, arg);  in msi_domain_prepare_irqs()
318 int msi_domain_populate_irqs(struct irq_domain *domain, struct device *dev,  in msi_domain_populate_irqs()  argument
321 	struct msi_domain_info *info = domain->host_data;  in msi_domain_populate_irqs()
337 		/* Assumes the domain mutex is held! */  in msi_domain_populate_irqs()
338 		ret = irq_domain_alloc_irqs_hierarchy(domain, desc->irq, 1,  in msi_domain_populate_irqs()
352 			irq_domain_free_irqs_common(domain, desc->irq, 1);  in msi_domain_populate_irqs()
370 static bool msi_check_reservation_mode(struct irq_domain *domain,  in msi_check_reservation_mode()  argument
376 	switch(domain->bus_token) {  in msi_check_reservation_mode()
398 int __msi_domain_alloc_irqs(struct irq_domain *domain, struct device *dev,  in __msi_domain_alloc_irqs()  argument
401 	struct msi_domain_info *info = domain->host_data;  in __msi_domain_alloc_irqs()
409 	ret = msi_domain_prepare_irqs(domain, dev, nvec, &arg);  in __msi_domain_alloc_irqs()
416 		virq = __irq_domain_alloc_irqs(domain, -1, desc->nvec_used,  in __msi_domain_alloc_irqs()
422 				ret = ops->handle_error(domain, desc, ret);  in __msi_domain_alloc_irqs()
437 	can_reserve = msi_check_reservation_mode(domain, info, dev);  in __msi_domain_alloc_irqs()
454 		irq_data = irq_domain_get_irq_data(domain, desc->irq);  in __msi_domain_alloc_irqs()
457 			if (domain->flags & IRQ_DOMAIN_MSI_NOMASK_QUIRK)  in __msi_domain_alloc_irqs()
471 			irq_data = irq_domain_get_irq_data(domain, desc->irq);  in __msi_domain_alloc_irqs()
484 		irqd = irq_domain_get_irq_data(domain, desc->irq);  in __msi_domain_alloc_irqs()
488 	msi_domain_free_irqs(domain, dev);  in __msi_domain_alloc_irqs()
493  * msi_domain_alloc_irqs - Allocate interrupts from a MSI interrupt domain
494  * @domain:	The domain to allocate from
501 int msi_domain_alloc_irqs(struct irq_domain *domain, struct device *dev,  in msi_domain_alloc_irqs()  argument
504 	struct msi_domain_info *info = domain->host_data;  in msi_domain_alloc_irqs()
507 	return ops->domain_alloc_irqs(domain, dev, nvec);  in msi_domain_alloc_irqs()
510 void __msi_domain_free_irqs(struct irq_domain *domain, struct device *dev)  in __msi_domain_free_irqs()  argument
528  * __msi_domain_free_irqs - Free interrupts from a MSI interrupt @domain associated tp @dev
529  * @domain:	The domain to managing the interrupts
533 void msi_domain_free_irqs(struct irq_domain *domain, struct device *dev)  in msi_domain_free_irqs()  argument
535 	struct msi_domain_info *info = domain->host_data;  in msi_domain_free_irqs()
538 	return ops->domain_free_irqs(domain, dev);  in msi_domain_free_irqs()
542  * msi_get_domain_info - Get the MSI interrupt domain info for @domain
543  * @domain:	The interrupt domain to retrieve data from
546  * @domain->host_data.
548 struct msi_domain_info *msi_get_domain_info(struct irq_domain *domain)  in msi_get_domain_info()  argument
550 	return (struct msi_domain_info *)domain->host_data;  in msi_get_domain_info()