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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


  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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