projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| e46cdb66 JF |
1 | #ifndef _XEN_EVENTS_H |
| 2 | #define _XEN_EVENTS_H | |
| 3 | ||
| f87e4cac JF |
4 | #include <linux/interrupt.h> |
| 5 | ||
| 6 | #include <xen/interface/event_channel.h> | |
| 7 | #include <asm/xen/hypercall.h> | |
| 8 | ||
| 9 | enum ipi_vector { | |
| 10 | XEN_RESCHEDULE_VECTOR, | |
| 11 | XEN_CALL_FUNCTION_VECTOR, | |
| 12 | ||
| 13 | XEN_NR_IPIS, | |
| 14 | }; | |
| e46cdb66 | 15 | |
| b536b4b9 | 16 | int bind_evtchn_to_irq(unsigned int evtchn); |
| e46cdb66 | 17 | int bind_evtchn_to_irqhandler(unsigned int evtchn, |
| f87e4cac | 18 | irq_handler_t handler, |
| e46cdb66 JF |
19 | unsigned long irqflags, const char *devname, |
| 20 | void *dev_id); | |
| 21 | int bind_virq_to_irqhandler(unsigned int virq, unsigned int cpu, | |
| f87e4cac JF |
22 | irq_handler_t handler, |
| 23 | unsigned long irqflags, const char *devname, | |
| 24 | void *dev_id); | |
| 25 | int bind_ipi_to_irqhandler(enum ipi_vector ipi, | |
| 26 | unsigned int cpu, | |
| 27 | irq_handler_t handler, | |
| 28 | unsigned long irqflags, | |
| 29 | const char *devname, | |
| 30 | void *dev_id); | |
| e46cdb66 JF |
31 | |
| 32 | /* | |
| 33 | * Common unbind function for all event sources. Takes IRQ to unbind from. | |
| 34 | * Automatically closes the underlying event channel (even for bindings | |
| 35 | * made with bind_evtchn_to_irqhandler()). | |
| 36 | */ | |
| 37 | void unbind_from_irqhandler(unsigned int irq, void *dev_id); | |
| 38 | ||
| f87e4cac JF |
39 | void xen_send_IPI_one(unsigned int cpu, enum ipi_vector vector); |
| 40 | ||
| e46cdb66 JF |
41 | static inline void notify_remote_via_evtchn(int port) |
| 42 | { | |
| 43 | struct evtchn_send send = { .port = port }; | |
| 44 | (void)HYPERVISOR_event_channel_op(EVTCHNOP_send, &send); | |
| 45 | } | |
| 46 | ||
| 47 | extern void notify_remote_via_irq(int irq); | |
| 48 | #endif /* _XEN_EVENTS_H */ |