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#ifndef __ASM_EVENT_H__
#define __ASM_EVENT_H__
#include <asm/gic.h>
#include <asm/domain.h>
void vcpu_kick(struct vcpu *v);
void vcpu_mark_events_pending(struct vcpu *v);
static inline int vcpu_event_delivery_is_enabled(struct vcpu *v)
{
struct cpu_user_regs *regs = &v->arch.cpu_info->guest_cpu_user_regs;
return !(regs->cpsr & PSR_IRQ_MASK);
}
static inline int local_events_need_delivery_nomask(void)
{
struct pending_irq *p = irq_to_pending(current, VGIC_IRQ_EVTCHN_CALLBACK);
/* XXX: if the first interrupt has already been delivered, we should
* check whether any other interrupts with priority higher than the
* one in GICV_IAR are in the lr_pending queue or in the LR
* registers and return 1 only in that case.
* In practice the guest interrupt handler should run with
* interrupts disabled so this shouldn't be a problem in the general
* case.
*/
if ( gic_events_need_delivery() )
return 1;
if ( vcpu_info(current, evtchn_upcall_pending) &&
list_empty(&p->inflight) )
return 1;
return 0;
}
static inline int local_events_need_delivery(void)
{
if ( !vcpu_event_delivery_is_enabled(current) )
return 0;
return local_events_need_delivery_nomask();
}
static inline void local_event_delivery_enable(void)
{
struct cpu_user_regs *regs = guest_cpu_user_regs();
regs->cpsr &= ~PSR_IRQ_MASK;
}
/* No arch specific virq definition now. Default to global. */
static inline int arch_virq_is_global(int virq)
{
return 1;
}
#endif
/*
* Local variables:
* mode: C
* c-file-style: "BSD"
* c-basic-offset: 4
* indent-tabs-mode: nil
* End:
*/
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