| Message ID | 1436378202-20224-9-git-send-email-marc.zyngier@arm.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Wed, Jul 08, 2015 at 06:56:40PM +0100, Marc Zyngier wrote: > 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. > > Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Acked-by: Christoffer Dall <christoffer.dall@linaro.org> -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h index 32e57d2..9fd4023 100644 --- a/include/kvm/arm_vgic.h +++ b/include/kvm/arm_vgic.h @@ -356,6 +356,8 @@ int kvm_vgic_vcpu_active_irq(struct kvm_vcpu *vcpu); struct irq_phys_map *vgic_map_phys_irq(struct kvm_vcpu *vcpu, int virt_irq, int irq); int vgic_unmap_phys_irq(struct kvm_vcpu *vcpu, struct irq_phys_map *map); +bool vgic_get_phys_irq_active(struct irq_phys_map *map); +void 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)) diff --git a/virt/kvm/arm/vgic.c b/virt/kvm/arm/vgic.c index f8582d7..39f9479 100644 --- a/virt/kvm/arm/vgic.c +++ b/virt/kvm/arm/vgic.c @@ -1744,6 +1744,18 @@ static void vgic_free_phys_irq_map_rcu(struct rcu_head *rcu) kfree(entry); } +bool vgic_get_phys_irq_active(struct irq_phys_map *map) +{ + BUG_ON(!map); + return map->active; +} + +void vgic_set_phys_irq_active(struct irq_phys_map *map, bool active) +{ + BUG_ON(!map); + map->active = active; +} + int vgic_unmap_phys_irq(struct kvm_vcpu *vcpu, struct irq_phys_map *map) { struct vgic_dist *dist = &vcpu->kvm->arch.vgic;
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. Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> --- include/kvm/arm_vgic.h | 2 ++ virt/kvm/arm/vgic.c | 12 ++++++++++++ 2 files changed, 14 insertions(+)