From mboxrd@z Thu Jan 1 00:00:00 1970 From: eric.auger@linaro.org (Eric Auger) Date: Thu, 2 Jul 2015 15:17:25 +0200 Subject: [RFC 15/17] KVM: arm/arm64: implement IRQ bypass consumer functions In-Reply-To: <1435843047-6327-1-git-send-email-eric.auger@linaro.org> References: <1435843047-6327-1-git-send-email-eric.auger@linaro.org> Message-ID: <1435843047-6327-16-git-send-email-eric.auger@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org - kvm_arch_add_producer: perform VGIC/irqchip settings for forwarding - kvm_arch_del_producer: same for inverse operation - kvm_arch_stop_consumer: halt guest execution - kvm_arch_resume_consumer resume guest execution Signed-off-by: Eric Auger --- arch/arm/kvm/arm.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c index 4be6715..f9b9b1e 100644 --- a/arch/arm/kvm/arm.c +++ b/arch/arm/kvm/arm.c @@ -1146,6 +1146,28 @@ struct kvm_vcpu *kvm_mpidr_to_vcpu(struct kvm *kvm, unsigned long mpidr) return NULL; } +void kvm_arch_add_producer(struct irq_bypass_consumer *cons, + struct irq_bypass_producer *prod) +{ + kvm_vgic_set_forward(cons->kvm, prod->irq, cons->gsi); +} +void kvm_arch_del_producer(struct irq_bypass_consumer *cons, + struct irq_bypass_producer *prod) +{ + kvm_vgic_unset_forward(cons->kvm, prod->irq, cons->gsi, + &prod->active); +} + +void kvm_arch_stop_consumer(struct irq_bypass_consumer *cons) +{ + kvm_arm_halt_guest(cons->kvm); +} + +void kvm_arch_resume_consumer(struct irq_bypass_consumer *cons) +{ + kvm_arm_resume_guest(cons->kvm); +} + /** * Initialize Hyp-mode and memory mappings on all CPUs. */ -- 1.9.1