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KVM: arm/arm64: vgic: Add vgic_{get,set}_phys_irq_active

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In order to control the active state of an interrupt, introduce
a pair of accessors allowing the state to be set/queried.

This only affects the logical state, and the HW state will only be
applied at world-switch time.

Acked-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
This commit is contained in:
Marc Zyngier
2015-06-08 16:13:30 +01:00
parent 08fd6461e8
commit 6e84e0e067
2 changed files with 26 additions and 0 deletions
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include/kvm/arm_vgic.h
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@@ -356,6 +356,8 @@ int kvm_vgic_vcpu_active_irq(struct kvm_vcpu *vcpu);
struct irq_phys_map *kvm_vgic_map_phys_irq(struct kvm_vcpu *vcpu,
int virt_irq, int irq);
int kvm_vgic_unmap_phys_irq(struct kvm_vcpu *vcpu, struct irq_phys_map *map);
bool kvm_vgic_get_phys_irq_active(struct irq_phys_map *map);
void kvm_vgic_set_phys_irq_active(struct irq_phys_map *map, bool active);
#define irqchip_in_kernel(k) (!!((k)->arch.vgic.in_kernel))
#define vgic_initialized(k) (!!((k)->arch.vgic.nr_cpus))