diff options
Diffstat (limited to 'include/linux/irqdomain.h')
| -rw-r--r-- | include/linux/irqdomain.h | 32 |
1 files changed, 25 insertions, 7 deletions
diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h index 2aed04396210..ffb84604c1de 100644 --- a/include/linux/irqdomain.h +++ b/include/linux/irqdomain.h @@ -39,6 +39,7 @@ struct irq_domain; struct of_device_id; struct irq_chip; struct irq_data; +struct cpumask; /* Number of irqs reserved for a legacy isa controller */ #define NUM_ISA_INTERRUPTS 16 @@ -96,6 +97,8 @@ enum irq_domain_bus_token { struct irq_domain_ops { int (*match)(struct irq_domain *d, struct device_node *node, enum irq_domain_bus_token bus_token); + int (*select)(struct irq_domain *d, struct irq_fwspec *fwspec, + enum irq_domain_bus_token bus_token); int (*map)(struct irq_domain *d, unsigned int virq, irq_hw_number_t hw); void (*unmap)(struct irq_domain *d, unsigned int virq); int (*xlate)(struct irq_domain *d, struct device_node *node, @@ -211,11 +214,12 @@ struct irq_domain *irq_domain_add_legacy(struct device_node *of_node, irq_hw_number_t first_hwirq, const struct irq_domain_ops *ops, void *host_data); -extern struct irq_domain *irq_find_matching_fwnode(struct fwnode_handle *fwnode, +extern struct irq_domain *irq_find_matching_fwspec(struct irq_fwspec *fwspec, enum irq_domain_bus_token bus_token); extern void irq_set_default_host(struct irq_domain *host); extern int irq_domain_alloc_descs(int virq, unsigned int nr_irqs, - irq_hw_number_t hwirq, int node); + irq_hw_number_t hwirq, int node, + const struct cpumask *affinity); static inline struct fwnode_handle *of_node_to_fwnode(struct device_node *node) { @@ -227,6 +231,17 @@ static inline bool is_fwnode_irqchip(struct fwnode_handle *fwnode) return fwnode && fwnode->type == FWNODE_IRQCHIP; } +static inline +struct irq_domain *irq_find_matching_fwnode(struct fwnode_handle *fwnode, + enum irq_domain_bus_token bus_token) +{ + struct irq_fwspec fwspec = { + .fwnode = fwnode, + }; + + return irq_find_matching_fwspec(&fwspec, bus_token); +} + static inline struct irq_domain *irq_find_matching_host(struct device_node *node, enum irq_domain_bus_token bus_token) { @@ -346,9 +361,8 @@ int irq_domain_xlate_onetwocell(struct irq_domain *d, struct device_node *ctrlr, irq_hw_number_t *out_hwirq, unsigned int *out_type); /* IPI functions */ -unsigned int irq_reserve_ipi(struct irq_domain *domain, - const struct cpumask *dest); -void irq_destroy_ipi(unsigned int irq); +int irq_reserve_ipi(struct irq_domain *domain, const struct cpumask *dest); +int irq_destroy_ipi(unsigned int irq, const struct cpumask *dest); /* V2 interfaces to support hierarchy IRQ domains. */ extern struct irq_data *irq_domain_get_irq_data(struct irq_domain *domain, @@ -377,7 +391,7 @@ static inline struct irq_domain *irq_domain_add_hierarchy(struct irq_domain *par extern int __irq_domain_alloc_irqs(struct irq_domain *domain, int irq_base, unsigned int nr_irqs, int node, void *arg, - bool realloc); + bool realloc, const struct cpumask *affinity); extern void irq_domain_free_irqs(unsigned int virq, unsigned int nr_irqs); extern void irq_domain_activate_irq(struct irq_data *irq_data); extern void irq_domain_deactivate_irq(struct irq_data *irq_data); @@ -385,7 +399,8 @@ extern void irq_domain_deactivate_irq(struct irq_data *irq_data); static inline int irq_domain_alloc_irqs(struct irq_domain *domain, unsigned int nr_irqs, int node, void *arg) { - return __irq_domain_alloc_irqs(domain, -1, nr_irqs, node, arg, false); + return __irq_domain_alloc_irqs(domain, -1, nr_irqs, node, arg, false, + NULL); } extern int irq_domain_alloc_irqs_recursive(struct irq_domain *domain, @@ -440,6 +455,9 @@ static inline int irq_domain_alloc_irqs(struct irq_domain *domain, return -1; } +static inline void irq_domain_free_irqs(unsigned int virq, + unsigned int nr_irqs) { } + static inline bool irq_domain_is_hierarchy(struct irq_domain *domain) { return false; |