From: marc.zyngier@arm.com (Marc Zyngier) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 08/10] KVM: arm/arm64: vgic: Add vgic_{get, set}_phys_irq_active Date: Mon, 8 Jun 2015 18:04:03 +0100 [thread overview] Message-ID: <1433783045-8002-9-git-send-email-marc.zyngier@arm.com> (raw) In-Reply-To: <1433783045-8002-1-git-send-email-marc.zyngier@arm.com> 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(+) diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h index 33d121a..1c653c1 100644 --- a/include/kvm/arm_vgic.h +++ b/include/kvm/arm_vgic.h @@ -349,6 +349,8 @@ 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 495ac7d..f376b56 100644 --- a/virt/kvm/arm/vgic.c +++ b/virt/kvm/arm/vgic.c @@ -1744,6 +1744,18 @@ static struct irq_phys_map *vgic_irq_map_search(struct kvm_vcpu *vcpu, return this; } +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; -- 2.1.4
WARNING: multiple messages have this Message-ID (diff)
From: Marc Zyngier <marc.zyngier@arm.com> To: kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org Cc: "Christoffer Dall" <christoffer.dall@linaro.org>, "Eric Auger" <eric.auger@linaro.org>, "Alex Bennée" <alex.bennee@linaro.org>, "Andre Przywara" <andre.przywara@arm.com> Subject: [PATCH 08/10] KVM: arm/arm64: vgic: Add vgic_{get,set}_phys_irq_active Date: Mon, 8 Jun 2015 18:04:03 +0100 [thread overview] Message-ID: <1433783045-8002-9-git-send-email-marc.zyngier@arm.com> (raw) In-Reply-To: <1433783045-8002-1-git-send-email-marc.zyngier@arm.com> 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(+) diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h index 33d121a..1c653c1 100644 --- a/include/kvm/arm_vgic.h +++ b/include/kvm/arm_vgic.h @@ -349,6 +349,8 @@ 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 495ac7d..f376b56 100644 --- a/virt/kvm/arm/vgic.c +++ b/virt/kvm/arm/vgic.c @@ -1744,6 +1744,18 @@ static struct irq_phys_map *vgic_irq_map_search(struct kvm_vcpu *vcpu, return this; } +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; -- 2.1.4
next prev parent reply other threads:[~2015-06-08 17:04 UTC|newest] Thread overview: 118+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-06-08 17:03 [PATCH 00/10] arm/arm64: KVM: Active interrupt state switching for shared devices Marc Zyngier 2015-06-08 17:03 ` Marc Zyngier 2015-06-08 17:03 ` [PATCH 01/10] arm/arm64: KVM: Fix ordering of timer/GIC on guest entry Marc Zyngier 2015-06-08 17:03 ` Marc Zyngier 2015-06-09 11:29 ` Alex Bennée 2015-06-09 11:29 ` Alex Bennée 2015-06-30 20:19 ` Christoffer Dall 2015-06-30 20:19 ` Christoffer Dall 2015-06-08 17:03 ` [PATCH 02/10] arm/arm64: KVM: Move vgic handling to a non-preemptible section Marc Zyngier 2015-06-08 17:03 ` Marc Zyngier 2015-06-09 11:38 ` Alex Bennée 2015-06-09 11:38 ` Alex Bennée 2015-06-30 20:19 ` Christoffer Dall 2015-06-30 20:19 ` Christoffer Dall 2015-06-08 17:03 ` [PATCH 03/10] KVM: arm/arm64: vgic: Convert struct vgic_lr to use bitfields Marc Zyngier 2015-06-08 17:03 ` Marc Zyngier 2015-06-09 13:12 ` Alex Bennée 2015-06-09 13:12 ` Alex Bennée 2015-06-10 17:23 ` Andre Przywara 2015-06-10 17:23 ` Andre Przywara 2015-06-10 18:04 ` Marc Zyngier 2015-06-10 18:04 ` Marc Zyngier 2015-06-08 17:03 ` [PATCH 04/10] KVM: arm/arm64: vgic: Allow HW irq to be encoded in LR Marc Zyngier 2015-06-08 17:03 ` Marc Zyngier 2015-06-09 13:21 ` Alex Bennée 2015-06-09 13:21 ` Alex Bennée 2015-06-09 14:03 ` Marc Zyngier 2015-06-09 14:03 ` Marc Zyngier 2015-06-17 11:53 ` Eric Auger 2015-06-17 11:53 ` Eric Auger 2015-06-17 12:39 ` Marc Zyngier 2015-06-17 12:39 ` Marc Zyngier 2015-06-17 13:21 ` Peter Maydell 2015-06-17 13:21 ` Peter Maydell 2015-06-17 13:34 ` Marc Zyngier 2015-06-17 13:34 ` Marc Zyngier 2015-06-08 17:04 ` [PATCH 05/10] KVM: arm/arm64: vgic: Relax vgic_can_sample_irq for edge IRQs Marc Zyngier 2015-06-08 17:04 ` Marc Zyngier 2015-06-30 20:19 ` Christoffer Dall 2015-06-30 20:19 ` Christoffer Dall 2015-07-01 9:17 ` Marc Zyngier 2015-07-01 9:17 ` Marc Zyngier 2015-07-01 11:58 ` Christoffer Dall 2015-07-01 11:58 ` Christoffer Dall 2015-07-01 18:18 ` Marc Zyngier 2015-07-01 18:18 ` Marc Zyngier 2015-07-02 16:23 ` Christoffer Dall 2015-07-02 16:23 ` Christoffer Dall 2015-07-03 9:50 ` Marc Zyngier 2015-07-03 9:50 ` Marc Zyngier 2015-07-03 9:57 ` Peter Maydell 2015-07-03 9:57 ` Peter Maydell 2015-06-08 17:04 ` [PATCH 06/10] KVM: arm/arm64: vgic: Allow dynamic mapping of physical/virtual interrupts Marc Zyngier 2015-06-08 17:04 ` Marc Zyngier 2015-06-11 8:43 ` Andre Przywara 2015-06-11 8:43 ` Andre Przywara 2015-06-11 8:56 ` Marc Zyngier 2015-06-11 8:56 ` Marc Zyngier 2015-06-15 15:44 ` Eric Auger 2015-06-15 15:44 ` Eric Auger 2015-06-16 8:28 ` Marc Zyngier 2015-06-16 8:28 ` Marc Zyngier 2015-06-16 9:10 ` Eric Auger 2015-06-16 9:10 ` Eric Auger 2015-06-30 20:19 ` Christoffer Dall 2015-06-30 20:19 ` Christoffer Dall 2015-07-01 10:20 ` Marc Zyngier 2015-07-01 10:20 ` Marc Zyngier 2015-07-01 11:45 ` Christoffer Dall 2015-07-01 11:45 ` Christoffer Dall 2015-06-08 17:04 ` [PATCH 07/10] KVM: arm/arm64: vgic: Allow HW interrupts to be queued to a guest Marc Zyngier 2015-06-08 17:04 ` Marc Zyngier 2015-06-11 8:44 ` Andre Przywara 2015-06-11 8:44 ` Andre Przywara 2015-06-11 9:15 ` Marc Zyngier 2015-06-11 9:15 ` Marc Zyngier 2015-06-11 9:44 ` Andre Przywara 2015-06-11 9:44 ` Andre Przywara 2015-06-11 10:02 ` Marc Zyngier 2015-06-11 10:02 ` Marc Zyngier 2015-06-15 16:11 ` Eric Auger 2015-06-15 16:11 ` Eric Auger 2015-06-17 11:51 ` Eric Auger 2015-06-17 11:51 ` Eric Auger 2015-06-17 12:23 ` Marc Zyngier 2015-06-17 12:23 ` Marc Zyngier 2015-06-08 17:04 ` Marc Zyngier [this message] 2015-06-08 17:04 ` [PATCH 08/10] KVM: arm/arm64: vgic: Add vgic_{get,set}_phys_irq_active Marc Zyngier 2015-06-17 15:11 ` [PATCH 08/10] KVM: arm/arm64: vgic: Add vgic_{get, set}_phys_irq_active Eric Auger 2015-06-17 15:11 ` [PATCH 08/10] KVM: arm/arm64: vgic: Add vgic_{get,set}_phys_irq_active Eric Auger 2015-06-08 17:04 ` [PATCH 09/10] KVM: arm/arm64: timer: Allow the timer to control the active state Marc Zyngier 2015-06-08 17:04 ` Marc Zyngier 2015-06-08 17:04 ` [PATCH 10/10] KVM: arm/arm64: vgic: Allow non-shared device HW interrupts Marc Zyngier 2015-06-08 17:04 ` Marc Zyngier 2015-06-17 15:11 ` Eric Auger 2015-06-17 15:11 ` Eric Auger 2015-06-17 15:37 ` Marc Zyngier 2015-06-17 15:37 ` Marc Zyngier 2015-06-17 15:50 ` Eric Auger 2015-06-17 15:50 ` Eric Auger 2015-06-18 8:37 ` Marc Zyngier 2015-06-18 8:37 ` Marc Zyngier 2015-06-18 17:51 ` Eric Auger 2015-06-18 17:51 ` Eric Auger 2015-06-30 20:19 ` Christoffer Dall 2015-06-30 20:19 ` Christoffer Dall 2015-07-01 8:26 ` Marc Zyngier 2015-07-01 8:26 ` Marc Zyngier 2015-07-01 8:57 ` Christoffer Dall 2015-07-01 8:57 ` Christoffer Dall 2015-06-10 8:33 ` [PATCH 00/10] arm/arm64: KVM: Active interrupt state switching for shared devices Eric Auger 2015-06-10 8:33 ` Eric Auger 2015-06-10 9:03 ` Marc Zyngier 2015-06-10 9:03 ` Marc Zyngier 2015-06-10 11:13 ` Eric Auger 2015-06-10 11:13 ` Eric Auger 2015-06-18 6:51 ` Eric Auger 2015-06-18 6:51 ` Eric Auger
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