This function injects an interrupt into the guest given the kvm struct, the (guest) irq number and the interrupt level.
Signed-off-by: Amit Shah <[EMAIL PROTECTED]> --- arch/x86/kvm/irq.c | 11 +++++++++++ arch/x86/kvm/irq.h | 2 ++ 2 files changed, 13 insertions(+), 0 deletions(-) diff --git a/arch/x86/kvm/irq.c b/arch/x86/kvm/irq.c index 76d736b..0d9e552 100644 --- a/arch/x86/kvm/irq.c +++ b/arch/x86/kvm/irq.c @@ -100,3 +100,14 @@ void __kvm_migrate_timers(struct kvm_vcpu *vcpu) __kvm_migrate_apic_timer(vcpu); __kvm_migrate_pit_timer(vcpu); } + +/* This should be called with the kvm->lock mutex held */ +void kvm_set_irq(struct kvm *kvm, int irq, int level) +{ + /* Not possible to detect if the guest uses the PIC or the + * IOAPIC. So set the bit in both. The guest will ignore + * writes to the unused one. + */ + kvm_ioapic_set_irq(kvm->arch.vioapic, irq, level); + kvm_pic_set_irq(pic_irqchip(kvm), irq, level); +} diff --git a/arch/x86/kvm/irq.h b/arch/x86/kvm/irq.h index 2a15be2..ba4e3bf 100644 --- a/arch/x86/kvm/irq.h +++ b/arch/x86/kvm/irq.h @@ -80,6 +80,8 @@ static inline int irqchip_in_kernel(struct kvm *kvm) void kvm_pic_reset(struct kvm_kpic_state *s); +void kvm_set_irq(struct kvm *kvm, int irq, int level); + void kvm_timer_intr_post(struct kvm_vcpu *vcpu, int vec); void kvm_inject_pending_timer_irqs(struct kvm_vcpu *vcpu); void kvm_inject_apic_timer_irqs(struct kvm_vcpu *vcpu); -- 1.5.4.3 _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linux-foundation.org/mailman/listinfo/virtualization