X-Git-Url: http://git.cascardo.eti.br/?a=blobdiff_plain;f=include%2Fxen%2Fevents.h;h=c1717ca5ac139f572519444ea060ae60bdea368a;hb=b5401a96b59475c1c878439caecb8c521bdfd4ad;hp=a15d93262e308706eb4f3fe6a1283d0583f2b043;hpb=1f0ce990f0fc1bb92c28ef3f54b55cdf9a17b3a8;p=cascardo%2Flinux.git diff --git a/include/xen/events.h b/include/xen/events.h index a15d93262e30..c1717ca5ac13 100644 --- a/include/xen/events.h +++ b/include/xen/events.h @@ -53,6 +53,10 @@ bool xen_test_irq_pending(int irq); irq will be disabled so it won't deliver an interrupt. */ void xen_poll_irq(int irq); +/* Poll waiting for an irq to become pending with a timeout. In the usual case, + * the irq will be disabled so it won't deliver an interrupt. */ +void xen_poll_irq_timeout(int irq, u64 timeout); + /* Determine the IRQ which is bound to an event channel */ unsigned irq_from_evtchn(unsigned int evtchn); @@ -63,4 +67,18 @@ int xen_set_callback_via(uint64_t via); void xen_evtchn_do_upcall(struct pt_regs *regs); void xen_hvm_evtchn_do_upcall(void); +/* Allocate an irq for a physical interrupt, given a gsi. "Legacy" + * GSIs are identity mapped; others are dynamically allocated as + * usual. */ +int xen_allocate_pirq(unsigned gsi, int shareable, char *name); + +/* De-allocates the above mentioned physical interrupt. */ +int xen_destroy_irq(int irq); + +/* Return vector allocated to pirq */ +int xen_vector_from_irq(unsigned pirq); + +/* Return gsi allocated to pirq */ +int xen_gsi_from_irq(unsigned pirq); + #endif /* _XEN_EVENTS_H */