#ifndef _ASM_HW_IRQ_H #define _ASM_HW_IRQ_H #include #define NR_VECTORS 256 /* XXX */ typedef struct { DECLARE_BITMAP(_bits,NR_VECTORS); } vmask_t; struct arch_pirq { }; struct arch_irq_desc { unsigned int type; }; #define NR_LOCAL_IRQS 32 /* * This only covers the interrupts that Xen cares about, so SGIs, PPIs and * SPIs. LPIs are too numerous, also only propagated to guests, so they are * not included in this number. */ #define NR_IRQS 1024 #define LPI_OFFSET 8192 /* LPIs are always numbered starting at 8192, so 0 is a good invalid case. */ #define INVALID_LPI 0 #define nr_irqs NR_IRQS #define nr_static_irqs NR_IRQS #define arch_hwdom_irqs(domid) NR_IRQS struct irq_desc; struct irqaction; struct irq_desc *__irq_to_desc(int irq); #define irq_to_desc(irq) __irq_to_desc(irq) void do_IRQ(struct cpu_user_regs *regs, unsigned int irq, int is_fiq); static inline bool is_lpi(unsigned int irq) { return irq >= LPI_OFFSET; } #define domain_pirq_to_irq(d, pirq) (pirq) bool is_assignable_irq(unsigned int irq); void init_IRQ(void); void init_secondary_IRQ(void); int route_irq_to_guest(struct domain *d, unsigned int virq, unsigned int irq, const char *devname); int release_guest_irq(struct domain *d, unsigned int irq); void arch_move_irqs(struct vcpu *v); #define arch_evtchn_bind_pirq(d, pirq) ((void)((d) + (pirq))) /* Set IRQ type for an SPI */ int irq_set_spi_type(unsigned int spi, unsigned int type); int irq_set_type(unsigned int irq, unsigned int type); int platform_get_irq(const struct dt_device_node *device, int index); void irq_set_affinity(struct irq_desc *desc, const cpumask_t *cpu_mask); /* * Use this helper in places that need to know whether the IRQ type is * set by the domain. */ bool irq_type_set_by_domain(const struct domain *d); #endif /* _ASM_HW_IRQ_H */ /* * Local variables: * mode: C * c-file-style: "BSD" * c-basic-offset: 4 * indent-tabs-mode: nil * End: */